TW534838B - Method for forming bellows of metallic tube and apparatus for the same - Google Patents

Abstract

The forming method for the bellows of the metallic tube (steel tube) of this invention is that a pipe stock is one by one fed to a pipe aligning equipment from a pipe supplying equipment storing pipe stocks, and the pipe stocks are aligned in the pipe aligning equipment. Further, a core metal for bulging is inserted in the rough pipe from the rear end side to a the front end side by the core driving equipment, and then the pipe stock having the inserted core metal is fed from the pipe aligning equipment to a bulging apparatus so that a flexible pipe having a bellows portion is bulged. After bulging, selection for a finished product or defected product is performed by a quality test of the flexible pipe, and then the finished product and defected product are separately collected.

Description

534838 V. Description of the invention (1) The present invention relates to a method for forming a telescopic section. The upper two are a metal pipe protrudingly formed in a metal pipe, a crease, and a telescopic section forming device. It is shaped as: Γ is a non-recordable and non-recordable steel pipe made of steel material ρ, with a wave-shaped folded pipe hereinafter hereinafter referred to as a steel pipe) ρ 1 forms P, which has excellent durability, and _ 钿 奴) P 2. Such a flexible pipe member shows that the corrugated portion P 2 can be linear and rigid. And, as in the fourteenth figure β, the wrinkled portion P 2 is not only curved. Therefore, the 'flexible pipe P' is bent in the direction of the second dimension, so it can be in the second direction, and it can also be shown in the third class. Therefore, when bending piping, that is, when buried in the ground without the need for a flexible pipe such as a ridge bend, it is possible to use a pipe fitting ρ such as a water pipe or a gas pipe. Its displacement. In addition, it can be used in high-rise buildings, residential buildings, sanitary wares, and various places for general residences and industrial hemp. Traditionally, the wrinkled portion P of the steel pipe ρ 1 Plit. Kaihei 4 _ 1 35 02 1 or J Guangcheng. It is shown in the Japanese book, each with a broken half-heart direction-a pair of matching molds mp 1: the outer circumference is tied from the diameter end to a fixed end cap bundle: and; Sealed with end cap. / * 疋 中 中 between the fixed end caps and the mobile end caps, inside P1, the liquid is injected. And further enhance these

^ 34838 V. Description of the invention (2) The pressure between the end caps is used to expand the steel pipe P 1 outward. Push the 4 caps for moving in the direction of the end caps for fixing, and compress and move each pair of molds in the direction of the end caps for fixing. Each mating die is sequentially pressed and moved in the direction of the fixed end cap. Then, as shown in the ninth figure, the corrugated portions p 2 are formed in the wavy gaps by using the molds that are joined to each other. However, creases are formed on the steel pipe to form a flexible pipe. # The steel pipe is manually installed in various apparatuses including a mold. Therefore, when a long steel tube made of stainless steel is protruded to form a flexible member, or to make an excellent liquid-poor product in a metal tube, the man-hours required are extremely considerable. The hole body does not belong to the right: the steel pipe (^ 属,) #extendable section forming square & telescopic section forming device which can manufacture flexible pipe fittings with high efficiency The purpose of the present invention is to provide It can be used in the second cycle: it can be used to form the folded portion of a large number of metal pipes, and it is highly efficient: the method of forming the expansion section of the metal pipe of the official component, and the forming of the expansion section. This is achieved by the following metal method and the expansion section forming device. , S, _ 钿 section forming side, that is, the method of forming the telescopic section of the metal pipe, and most of the metal pipe of the pipe supply device _ one feeding pipe = in the row of metal pipes, each metal pipe is held and transported to the selected Placement: This area, from one end of the metal tube, inserts a protrusion and a rod, moves the metal tube and the mandrel to the forming device, and :: Page 5 534838

Description of the invention (3)-The part is moved to the necessary position of the metal pipe, and the pressure is applied to the opposite part of the protruding forming part to bulge the metal pipe for protruding forming, and the above part is formed as a wrinkled part to form a flexible pipe. Steps, and arranging the flexible pipe fittings in a protruding and post-processing device, holding each flexible pipe fitting, transporting it to quality inspection, and performing quality inspection on the device, making good and not good for each flexible pipe fitting. The steps of selecting the mouth, and the steps of transferring each flexible pipe to the pipe selection bucket ^ knife to recover the good and bad products. In addition, the telescopic section forming device of the metal pipe is provided with a pipe arrangement device for arranging the metal pipes at a selected position from a pipe supply device for storing a large number of metal pipes, and holding each metal pipe to transfer the metal pipe to the inlet. A metal tube moving device in the eight-out forming area, and a mandrel drive device for inserting a mandrel with a forming portion from one end of the metal tube in the area, protruding in the above-mentioned area at the above-mentioned protruding forming portion of each metal tube The convex part of the face ^ is convexly formed, and a wrinkle is formed at this part to form a flexible tube j as a forming device, and the convex forming device is arranged adjacent to the convex forming post-processing device, And for the quality inspection of the second two pieces of flexible work, to select the good and bad products of the device, the piping and defective products are collected separately, and the adjacent good products return to the good and good product recovery box pipe selection bucket. The first and second figures are plan views for explaining the outline structure of the telescopic section of this embodiment; ~ The second figure of the exhibition is a cross-sectional view for explaining the pipe supply device and the structure of the pipe row; 4 The outline of the clothes The third figure is a plan view showing the arrangement of the pipe fittings and the mandrel drive. "534838 V. Description of the invention (4) A plan view for explaining the structure; the fourth figure is a perspective view showing the steel pipe mounting table provided in the pipe arrangement; the fifth picture is a view showing The explanatory diagram of the relationship between the steel pipe mounting platform and the metal pipe horizontal transport platform; the sixth diagram is an explanatory diagram showing a state in which a core rod is inserted at one end of the steel pipe; the seventh diagram is a sectional view showing a state in which the steel pipe is projected The eighth figure A is a front view of the upper and lower mating dies, the eighth figure B is a view when the upper and lower mating dies are combined by using a splint, and the ninth figure is a wrinkle formed The tenth figure A is a plan view showing the protruding post-processing device, and the tenth figure B is the end of the flexible pipe. Schematic explanatory diagram of alignment. The eleventh diagram is a front view for explaining the protruding post-processing device, the quality inspection device, and the pipe selection bucket. The twelfth diagram is a top view for explaining the quality inspection device. The thirteenth figure is a cross-sectional view for explaining the pipe selection bucket; the fourteenth figure A and the fourteenth figure B are schematic diagrams showing flexible pipe fittings; the fifteenth figure is a telescopic section showing the embodiment Forming device

534838 V. Block diagram of the electrical structure of the description of the invention (5); Tenth, the diagram is a flowchart of the forming steps of the telescopic section of this embodiment; Step ::: The diagram is shown in the sixteenth diagram The subsequent steps of the forming of the telescopic section are described with reference to the drawings, and the telescopic section forming device 2 with a tube in accordance with the embodiment of the present invention is provided with a current supply device 4 as shown in the first figure. Further, from above> ^ V ^ iM is adjacent to the pipe fitting supplying device 4 'is provided with a pipe arrangement device 6, and the pipe arrangement device 6' and a side wall almost orthogonal to the end wall. The above fittings are provided for ,,,,. The device 4 is adjacent to the end wall of the pipe arrangement device 6. The mandrels drive the cracks 8 and protrude the forming device 1 adjacent to the two side walls of the pipe arrangement device 6 respectively. . Again: = out forming device. There are two protrusions arranged next to each other, which are adjacent to the protrusion forming processing device ③ "2. 14 and pipe selection buckets β ^ θ eight w ′ The opening is a loose check device. A control device for controlling the device 2 is provided ;;: shape farming device 2, with a forming pressure generating device 20. M Pressure during forming ^ Device 2. Oil produced by oil === type pressure female all-monitoring device 24. L and most of the pipe fitting supply devices 4 'are as shown in the second figure. For example, a cylindrical non-recording steel pipe made of non-steel material is: metal storage s storage pipe 30, and these Copper pipe 3 Page 8 534838 V. Description of the invention (6) Transporting mechanism 32. Close the left side of the metal pipe > ά ^ ^ ^ g The bottom 34 of the storage bucket 30 is formed as an inclined surface and handles toward the conveying mechanism 32. τ,., Λ.η is lowered toward the conveying mechanism. The direction of 32 is to supply the steel pipe P 1. A motion generating device 36 is formed on the bottom portion 34 and the bed surface F. The transport mechanism 32 includes a pair of upper and lower driving gears 38 and endless endless chains 40 wound around the driving gears 38, respectively. A steel tube carrier 仏 having an L-shaped cross section is mounted on these endless link chains 40 at the Shida interval. The steel pipe carrier plate 42 includes an upright portion 44 and a horizontal portion 46. The upright part ^ is fixed to the endless chain 40, and the horizontal part 46 picks up the steel pipe? }. Therefore, the steel pipe carrier plate 42 will be picked up one by one through the bottom of the metal pipe storage bucket 30 and the spreading generating device 36, which are inclined toward the pipe arrangement device 6 side. In addition, in order to allow the steel pipe carrier plate to pass through the bottom portion 34, a recess (not shown) through which the steel pipe carrier plate 42 can pass is provided. 钤 Du II: Column device 1 2 3 4 5 'as shown in the second and third figures As shown, the first metal pipe side-by-side mechanism 50 is arranged adjacent to the device 4...

Page 9 1 2 row mechanism 50, as shown in the third figure, is provided with-opposite steel Lm. 52. These steel pipe stages 52 are provided with a U-shaped groove 54 that pairs one of the steel pipes p 1. In addition, using the conveying mechanism 32, the storage and storage in the metal tube storage bucket 30SiLV is transferred to the side-by-side mechanism provided at the first metal tube 5 ° μ 3 = and the steel tube carrier 52 On the outer side, a pair of punches 56 'XI are provided for forming both ends of the steel pipe ρ1. Into the four-shaped cover 5 and the other four U5, a pair of metal pipe traverses with the following structure is provided 534838 5. Invention Description (7) 58 〇 And, adjacent to the first metal pipe The side-by-side mechanism 50 is provided with a second metal tube side-by-side mechanism 60. As shown in the third figure, the second metal pipe side-by-side mechanism 60 is provided with a pair of opposing steel pipe stages 62. As shown in the fourth figure, are these steel pipe stages 62 provided with steel pipes?丨 Three pairs of ^^-shaped grooves 64 are temporarily placed. And, as shown in the third figure, between the two pairs of u-shaped grooves 64 near the side of the first metal tube side-by-side machine, metal tube traversing tables 65 are respectively provided. The above-mentioned metal pipe traverse stage 58 and the metal pipe traverse stage 65 are provided with a metal pipe formed on an inclined surface as shown in the fifth figure. In addition, at one end portion of these metal pipe carrier plates 66, two vertical plates are installed upright, and a support rod 70 is provided below the metal pipe carrier plate 66. The branch = private 70, as shown by the solid line and dotted line in the fifth figure can be moved between the U-shaped grooves 54 and 64. In the second metal carrier plate 66 6 0, this all belongs to ## β β々K W only belongs to the &amp; sub-row mechanism ditch 64 Han Ϊ 2 Inclined surface ′ will make the steel pipe P 1 in the adjacent U-shape. Therefore, the metal pipe traverses the stage 65, and the parallel steel pipe ρJ belongs to the official carrier plate 66, which is located in the metal clip relative to the gutter groove 2: as shown in the second metal pipe side-by-side mechanism 60 near the first. One of the side-by-side mechanisms 50 of the official officer <the sinful one-by-one pipe side-by-side mechanism 50 moves to the steel pipe carrier 62 and will be aligned from the first metal groove 64. Further, similarly, the steel pipe p 3 moves to the adjacent U-shaped 64. In this way, from the second metal frame to the adjacent U-shaped groove mechanism 60, the three steel pipes P 1 are the other 10 pages ^ 534838 ___ 5. Description of the invention (8) '&quot;-arranged at the selected interval. As shown in the third figure, a metal tube end pushing device 74 is placed outside the second metal tube side-by-side mechanism 60. The metal tube end pushing device 7 moves forward and backward in the direction of Lu I, and presses the end of the three steel pipes p I side by side of the second metal pipe 60 side by side to correct the unevenness of the ends. These two steel officers P 1 are moved by a steel pipe moving device 6 as shown in the second figure. This steel pipe moving device 76 is provided with a travel plate 76a, which is not shown in the figure, and is suspended from the upper forming device 2 and a metal pipe chuck 76b for holding a steel pipe. As shown in the third figure, the three steel pipes pi, which are arranged side by side on the second metal pipe, are clamped by the metal pipe chuck 76 b, and moved by steel and the moving device 76 to the protruding forming conveying area (third picture). The three steel pipes ρ 1 shown are arranged in the third metal pipe side-by-side mechanism 77. 忒 The second metal pipe side-by-side mechanism 77, as shown in the third figure, is arranged adjacent to the second official side-by-side mechanism 60. In the third metal pipe side-by-side mechanism 77, there are pairs of steel pipe carriers 78. As shown in the fourth figure, these steel pipe carriers 78 are provided with three pairs of U-shaped grooves 80 for temporarily placing steel pipes ρ1. As shown in the second figure, under the third metal pipe side-by-side mechanism 77, the steel moss is loaded. 78 'are provided with guide rails 82. Further, in a direction opposite to the steel pipe stage 78, they are arranged substantially parallel to each other. Two guide rails 84. The guide rails 84 allow the metal officer moving device 86 to move along the guide rails 84. As shown in the sixth figure, the metal pipe moving device 86 is provided with a collet clamp, a μ 疴 lost head 88, and a clamp One end of the steel pipe p 1. Furthermore, as shown in the first figure, the steel pipe stage 78 is moved along the guide rail 8 2 to the first. The virtual position in the picture is 534838. (9) The line position enables the metal pipe moving device 86 to move. It is the 'steel pipe moving device 76, which returns to the upper position of the second metal pipe .... side-by-side mechanism 6. As shown in the first and third figures, a mandrel drive device 8 is provided on the opposite side of the metal tube moving jeweler M with the collet chuck 88 as shown in the third figure and As shown in the sixth figure, there is a mandrel push driving device 92 having a core = 90, and the mandrel 90 is moved. Also, as shown in the sixth figure, the mandrel 90 is inserted into the collet chuck 88. The mandrel 90 is provided with a protruding molding portion 94. As shown in the seventh figure, at the two end portions of the protruding molding portion 94, there are 0-rings 96, and these 0-rings 96 prevent the following water The liquid leaks out of the protruding forming portions 94. It is, however, that between the protruding forming portions 94, there are a large number of openings 98. π π π # Then 'as shown in the sixth figure' in the three steel fp (With one end clamped by the collet chuck 88, the metal pipe moving device 86 moves along the guide rail w. Therefore, the metal pipe moves The device 86 is sent from the end side of the three steel pipes p] to the side of the protruding forming crack 10. On the other hand, at the same time, the mandrel push driving device 92 is actuated, and the mandrel 90 moves along the steel pipe p]. The protruding forming portion 94 is stopped at the formation position of the wrinkled portion (telescoping section) and p 2 of the steel pipe p. The protruding forming device 10 is provided with a mold 100. The mold 100 is not provided as shown in the seventh figure. There are several pairs of butt dies 102 on the upper side and 1G4 on the lower side. As shown in the eighth figure, it is preferable that the joining edges of these butt dies 102 and 104 are the same. Department of the three

534838

V. Description of the Invention (ίο) The holes 106 and 108 are arranged at selected intervals. The tool 102 'is provided with a "Match-to-Match". The lower mold 104 / H guide hole 110 is used for the lower mold, and the corresponding mold is used for the mold. 彳 彳 4, there are about 11R each. Guide holes 114 116. These guide holes 110, 119, 114, 6 are each supported and moved at right angles to the eight-line direction according to guide shafts not shown in the figure. And: between the shafts of the side pipes P 1, the lower side The pair of poles is connected with 5 handles and 02. The poles 104 are connected with each other by connecting bolts not shown in the figure: two are combined and the other is the butt mold 102 on the upper side, and the lower End caps 122, 124 for movement are formed at the other ends of the side pairs ζ, /, and ^, respectively. The end caps 122, 124 for movement relative to Γΐ can be moved along the steel pipe P 1, and the end caps 118, 2 12〇, move closer or farther away. And = 'end caps 118, 120 for fixed, and end caps 122, for moving, to seal and support the steel pipe pi. To this end, these intermeshing molds 102, 104', system Move at a right angle with respect to the steel pipe p1. "As shown in Figure 8A and Figure 8B, the left and right ends of the lower end of the human mold 102 are shown on the upper side. Part, the flange part 126 protrudes. Further:;, and, on the left and right ends of the upper end and lower end of the s mold 104, protrusions Ί 4 1 2 8 and 1 3 0 are protruded. In addition, the flange portion 226 of the upper-side mating mold 丨 0 2 is raised to be shorter than the flange portions 1 2 8 and 130 of the lower-side mating mold 104. Furthermore, the flange portions 26, 128, and 130 are on the upper side and the lower side, respectively.

Page 13 534838 V. Description of the invention (11) The side and the upper side are provided with fastening parts 1 2 6 a, 128 a, i 3 0 a. Then, these intermeshing molds 102 and 104 are integrated into a pair of plywood Y32. These flame plates 132 are provided with buckle portions 126 a, 128 a, and 130 for buckle portions 126 a, 128 a, and 130 which are fastened to the flange portions 126, 128, and 130 of the mating molds 102 and 104. 130 b. These engaging portions 126 b, 128 b, and 130 b are engaged from the end sides of the flange portions ^, 128, and 130 provided in the engaging molds 102 and 104. In addition, in the lost plate 132, 3 through holes 132a are formed, and in the through hole 32a, a shaft member (not shown) is inserted. Therefore, the clamp plate 1 32, as shown in FIG. In the state where the two-inch flange portion 128 and 13 ° of the side-to-side mold T are fastened, the fastening of the short-sized flange portion 126 at the left side of the upper part of the mouth is released. Then, by moving the missing plate left f, the splint 132 can be removed from the mold 100. As a result, the splints are worn. P is easy to load and unload from the mold 100, and can greatly reduce the mold by 108. Further: the door is provided with three pairs of openings 106 and 109 in the butting molds 102 and 104, respectively. Pretend to be able to "quote" or "one or two", but take three as a combination! 〇〇The central door / ίηΙ one piece of reversible pipe? In this case, the mold pipe dy is used. 6 b, m b. In addition, two flexible 106 c, 1 () 8 are formed by using a pair of openings 106 a, 108 a of the mold 100, and a load can be obtained: 2 this, and: when applied to the mold 1 00 What is the number, ^ JLi nm ^ and 'regardless of the weight of the protruding steel pipe P 1, fall! : + No need to replace it. Therefore, if the mold 10 is considered. In this case, in the case of durability, the mold 10 is formed of a normal material. -It is suitable to have two pairs of openings 106 and 108.

Page 14 534838____ V. Description of the invention (12) In this way, the forming device 10 is protruded to form a set of molds 100, most of which are opposed to the three pairs of openings 106 and 108 of the molds 102 and 104, respectively. The outer circumference of the three steel pipes P 1 was tightened in series in the diameter direction. As shown in the seventh figure, the end caps 118 and 120 for fixing are opposed to the ends of the projection-shaped portion 94. In addition, the upper pair of intermeshing dies 02 and the lower pair of intermeshing dies 102 are isolated at selected intervals. As shown in the third and sixth figures, the mandrel 90 is provided with a water-liquid diverting mechanism 1 3 4. Among these water-liquid diverting mechanisms 1 3 4, the liquid fluid whose pressure is raised by the forming pressure generating device 20 reaches the water-liquid diverting mechanism 1 34 through components not shown. The water liquid flows into the core rod 90 of each steel pipe p 1 through the water-liquid diverting mechanism 34. As shown in the seventh figure, this water liquid flows out from the opening 98 of the protruding forming portion 94, and the hydraulic pressure rises while bulging the protruding forming portion of the steel pipe p1. Then, while moving the end caps 1 2 2 and 1 2 4 for movement to the fixed end caps 1 1 8 and 1 2 0, the steel pipe p 1 is compressed. As a result, as shown in Fig. 9, wavy corrugations P2 were formed at selected locations on the outer periphery of the three steel pipes P1, and a flexible pipe P was produced. As shown in the tenth figure A, these flexible pipe fittings p are pushed out from the protrusion forming apparatus 10 and arranged in an orderly manner after the protrusion forming processing apparatus 12. A platform 136 is provided on the protruding forming post-processing device 12, and a triple U-shaped groove 138 is provided in parallel with the platform 136. In addition, an air cylinder 140 and an end ejection plate 142 are provided on the platform 136. These air cylinders 140 and the end push-out plates 4 2 allow the flexible pipe P to pass through the U-shaped groove after being pushed out from the protruding forming device 10. And 'as shown in the tenth figure B', with the action of the air cylinder 140, the end of the prismatic pipe p is aligned by being pushed.

Page 15 534838

The upper part is disposed on the protruding post-processing device 12 and is provided with a flexible pipe moving device 146 having a movement 2 with the above-mentioned steel pipe. Flexible tube 6 =. The structure of the telescopic section forming device 2 is not shown from the upper side. "I have a 46-core head = clampable pipe fittings? The metal pipe clamp 1 is an S-chuck U6 b, which is flexible. The pipe fitting p is moved to the quality §Haikou is the inspection device 14, and as shown in the eleventh figure, it is provided with 150. In the water tank 150, as shown in the eleventh and twelfth figures, A pair of seal support plates 152. One of these seal supports M has three pairs of rubber seal members 154 opposite to each other. 154 'can seal both ends of the flexible pipe p. Further, the rubber member 154 is sealed. There is an air conveying pipe 1 5 6 for sending air to the flexible pipe fitting 1 ^ 2. Qiu Du = shown in the twelfth figure, the main water in the water tank 150 ί is conveyed from the air through the rubber seal 154 The pipe 156 has air introduced into the flexible pipe fitting 1 &gt; Since the flexible pipe fitting P is located in the water tank 15 of the quality inspection device 14, if a defect such as a crack occurs, air bubbles are generated, and @ can be detected. The Pinwu inspection device 14 includes a gas amount detection device (not shown). This mass detection device measures Low reduction of air pressure into the flexible pipe fitting ρ 'It is possible to detect the flexible pipe fitting ρ ^ with defects such as cracks, and it is possible to visually detect the air bubbles generated in the water tank 150. Furthermore, it is also possible to use an unshown The infrared device measures the brightness of infrared rays and detects bubbles. As shown in Figure 11, it is adjacent to the quality inspection device and has a shape.

534838 V. Description of the invention (14) Platform 160 formed on an inclined plane. After the flexible pipe moving device 146 and the inspection device 14 perform a defect inspection, will the flexible pipe be replaced? Scattered on 160. On the platform 160, a pipe selecting bucket 16 is adjacent, and 0 P can be rolled toward the pipe selecting bucket 16. (1) Raw pieces As shown in the tenth figure and the thirteenth figure, the pipe fittings are selected, and a good product recovery box 162 and a defective product recovery box 164 are provided. In addition, the spare-port recovery box 164 is disposed adjacent to the platform 160, and the defective port is disposed adjacent to the defective product recovery box 164. In addition, there are many recovery bins on the upper side of phase 162 and 64, with appropriate spacing devices. Σ Evening opening and closing plate 16 6 〇 The good seal recovery bin 1 62 stores all three trappable traps. Good quality at the time of testing. In addition, the defective product recovery Υ is not defective. Any defect of the flexible pipe P is defective in the inspection. Store two as shown in the thirteenth figure, when the opening and closing plate 166 is opened, the product recovery box 164 is opened. Flexible tube palpitations, bad Η0, falling defective products in the open state recovery; 164 pass = and r as shown in the eleventh figure, the closing force on the opening and closing plate 166 for recovery. Alas, the defective product recovery box 1 64 is closed. Flexible technology, status and accounting for 160, as well as the recovery of defective products in the closed state, are collected through the platform box 16 2 for recycling. Good quality products are returned. However, good products are mixed in the defective product collection box 64. Therefore, it has been recovered from the non-conforming pipe PP of the defective product recovery box, and the quality inspection is performed one by one. ^ The flexible pipe A judges the good product and the defective product. Fitting P

Page 17 ^ 534838 5. Description of the invention (15) The defective products are divided into two parts and recovered. In this way, the flexible pipe P shown in Fig. 14A is formed. Next, the structure of the control system 2000 of the telescopic section forming device 2 according to this embodiment will be described using the fifteenth figure. The control system 2 0 0 is the system control unit 2 0 2, the interface 2 0 4, the system action memory 2 0 6, the abnormality detection unit 2 0 7, the metal pipe supply command unit 2 0 8, and the metal pipe arrangement and transportation command. Section 2 丨 〇, mandrel drive command section 2 1 2, protruding forming command section 2 1 4, metal tube forming post-processing command section 2 1 6, leak inspection command section 218, metal pipe selection command section 220, forming pressure The command section 2 2 2 ′ and the hydraulic command section 2 2 4 are configured. The system control unit 202 system can be integrated and controlled. Also, the control console 18 is provided with an information turn-in unit 23. The information input section 230 may be a keyboard operating device 'with a text key or a ten-key program program reading device, a personal computer terminal, or the like. : Interface 204 uses the control console 18 provided in the extension section forming apparatus 2 to input basic operation information of each unit to the system control unit. Industrial system action memory section 20 6 can store and use the resources in the X Seven Blows — Be Λ input section 230, the tribute received by the input and the operation of the various departments in the device 2, the united order of the unit 202, If the security monitoring device 24 reports that the operator has entered the monitoring area, it will output an abnormality detection signal. The unit 202 stops the operation of each device of the telescoping section forming device 2 and controls the operation of each device. If there is action, or the metal pipe supplies the command section 208, the output motor drives the gas to cut the straw and controls the pipe.

Page 18 j34838 V. Description of the invention (16) :: The operation of the driving gear 38 for the fit causes the driving motor of the driving gear 38 shown in the figure to start or stop. ^ The tube array conveying command unit 210 is provided with a drawing, a second metal = row confirming command device, a molding command device 4, and a first metal s-board conveying command device. Furthermore, does the command device 1 belong today? : It is recognized that there is a brother-metal pipe side-by-side pressure confirmation command:: Carousel command device, metal tube end push n = set, steel officer move command device, collet chuck command device, and metal officer move command device. Detect and connect the tubes, confirm the command device, and output a side-by-side confirmation signal to construct 50 steel. Arranged at the first metal f side-by-side machine Punch 56: L command device '• Out of the punch action signal, the first metal tube lateral conveyance command device ## The metal 并 b 二 衮 * 胄 of the side-by-side mechanism 50 is placed first The metal pipe I and the metal s 仏 actuate the two metal pipe side-by-side mechanism 6 to the carousel 58. The steel pipe stage 62 moves. Steel, P1 is a metal tube horizontal conveyance command device, and outputs-to the second metal tube: side by side confirmation signal, it has been detected where it has moved, and the steel tube ... First, if the first metal tube is parallel to 50 sides A steel pipe ρ 丨 is arranged in the U-shaped groove 64, and the number __ _ 欠 # is output. Further, the first + Li Qier 1 bei] output * puts the confirmation metal brother to the transport command device, based on the output of-attack rhyme ^ bluff, the first gold platoon mechanism 50 to move to the transport platform 65 , The steel i is arranged in the center, the zigzag m

On the right of page 19, there is the output of the secondary placement confirmation signal. 'The second metal tube is horizontally ordered. Based on the secondary placement confirmation signal, the metal tube ^ ° turntable 65 is operated to move the steel tube. p 1 is arranged in the third U-shaped groove 64: only this, in the system action memory 206, three flexible pipe words ΛΙΓ are stored, and in the case of one, the steel pipe p 1 is arranged in the center Zhi u groove 64 inside. In the case of two, the steel pipe 卩 i is disposed inside the U-shaped groove 64 'on the side of the first-gold side-by-side mechanism 50 and from the second U-shaped groove 64 of the U-shaped groove. $ It belongs to the tube end push command device, which outputs the advance and retreat motion signals, and uses the official press device 74 to correct the end of the steel pipe P1. The "steel movement command device" outputs the steel pipe movement money, and makes the steel pipe movement 76 act. The gripping end is aligned with the p-shaped area of the steel pipe that moves to the selected position. 1You pull out the gripper and shape it, and the gripper moves, and the sending rod drives 86 while the gripper is activated, so that the core portion 94 is stopped and crushed. The tube moves to the convex position. There is a 4-positioned heart movement device on the rail 8, and the device 92 is formed to form a fixed surface.... The chuck 88 is a moving device that outputs a metal tube moving signal, so that the 1 metal tube moving device 86 follows the guide to protrude the forming device 10. Two '3 loses the driving signal of the mandrel and the metal tube moves to the second position. … Sad, toward the protruding forming device 10 stick push drive device 9 2 ^ ^ t stick 90 along the steel pipe?! Inside. The heart 'push drive stopΊ 4. Μ more movement, make the end side The formation position of the convex wrinkle portion P 2. ^, the shape command signal, making use of molding

534838 V. Description of the invention (18) The water liquid raised by the pressure generating device 20 flows into the mandrel 90 through the water-liquid diverting mechanism 134, so that the water liquid flows out from the opening 98 protruding from the forming portion 94. The flowing out liquid swells the protruding forming portion of the steel pipe P1. Further, the hydraulic pressure command unit 2 2 4 'outputs a hydraulic pressure command signal, and the hydraulic pressure device 22 is used to apply a molding pressure located in the protruding molding device 10. The bulging forming command portion 2 1 4 outputs a bulging instruction letter as..., Π-cavity is driven to the steel pipe ρ 1 fed into the bulging forming device 10 to perform bulging forming. The bulge command signal is used to open and close the upper and lower mating dies 102, 104 using the opening and closing signals of the mold. Furthermore, the swelling command letter is used to compress and open the end caps 22, 24 for movement using the advance and retreat signals of the mold 100. The bulge command signal is synchronized with the mandrel drive signal of the mandrel drive command section 212, the forming command signal of the forming pressure command section 222, and the oil pressure command signal of the oil pressure command section 224. ^ The post-forming processing command section 216 is protruded, and the post-forming processing signal is output. The flexible pipe P pushed out by the forming device 10 is arranged in the U-shaped groove 138. In addition, a signal for pushing the end of the metal pipe is outputted, so that the gas cylinder 140 ′ provided on the protrusion forming device 12 and the end pressing plate 14 of the metal pipe align the ends of the flexible pipe P. Furthermore, it outputs the signal of the possibility of rupture, so that it can be suspended down to the surface of the workbench 160. The flexible pipe moving device 146 = the piece P is clamped and moved to the quality inspection device i 4 . ^ 14 Leakage inspection command section 2 1 8. The output metal pipe is placed on the rubber sealing member 154,5 of the sealing support plate 152, and the flexible pipe fittings P pieces 2 and 4 ends which are lost by the setting device 146: The flexible pipe fittings are sealed and supported by the two crotches. Guarantee

15〇: Haiyi state: It is sunk into the water tank rotary pipe 156 of the quality inspection device 14 which is filled with water, and is passed through the air piece P of the compressed gas conveying device (not shown). The rubber sealing member 1 54 sends air into the flexible tube to protrude the post-forming processing command section 216. After the quality inspection is completed, the signal of the: = sexual tube p is set to move the flexible tube. Make. "The flexible pipe moving device i46 will release the flexibility to the work piece 160 at the workbench 160. Yan I ’s sub-metal pipe selection command unit 220 outputs a metal pipe selection signal. When it is judged to be a good product, a completion signal is output. Most of the opening and closing plates 166 installed on the upper side of the defective product recovery box 164 are closed. This closed state causes the warrior side of the defective product recovery box 164 to be closed. The path of the good product recovery box 162 allows good products to pass through the top of the defective product recovery box 164 and fall into the good product recovery box 162. 々 Also, when the flexible pipe P is judged to be defective, a defect signal is output. This output makes The majority of the opening and closing plates 166 of the defective product recovery box 164 are in an open state. This opened state allows the defective products to fall into the defective product recovery 164. Next, the sixteenth and seventeenth drawings will be used to explain the telescopic section related to this embodiment. Forming step. ^ Introduce the power supply to the telescopic section forming device 2 so that the device 2 is activated. Then, in step 3 0 0, the section is judged in the system operation memory section 2 06. If it is stored, it will be formed. Ρ the number of steel, folded within the bellows forming portion P 2 Min interval, P 2 of the bellows portion 1 is shaped like an interval, the flexible tube member to ρ

Page 22 «4838

Description of the invention (20) necessary information. When it is not stored, it returns to the starting state. In step 300, when the judgment is received in the system action memory section 206, the necessary information is received, and the process proceeds to step 3 () 2. In step Chuanzhong 2, each part is in a standby state, and the process proceeds to step. In steps M * and h, a signal is transmitted from the metal pipe supply command ㈣8, so that the pipe is supplied to the tube storage 30. The steel pipe p 1 is picked up one by one and sent to the official part arranging device 6. In step 306, use the winter phoenix; x x t 土人 件 件 排列 装置 6 笫; !! ^ order carousel command unit 210, determine the segment pipe arrangement. 4 Whether the side-by-side mechanism 50 already has the steel pipe p 1 section without steel; L outer ring, go to step 3 04. No., the two ends of the letter 1 are transmitted from the metal tube arrangement carousel command unit 210 by the number two. Step =: No .: The steel pipe P of the metal pipe side-by-side mechanism 50 transmits a signal, so that the gold &quot; is the total #, and the command line 21 is arranged from the metal pipe, and the steel pipe ρ 1 is actuated by the gold delivery platform 58 to move the end After forming, the side-by-side mechanism 60 is placed. The &amp; fork sequentially feeds the second metal pipe to the conveying table 65 in step 3 1 2-the action of the metal pipe array conveying the life pipe to lose the table 65 in order to determine whether the steel pipe P 1 has been 2 7 σ 卩 2 2 The second metal pipe side-by-side mechanism 60 returns to step 310. Asian row. When it is judged that the steel pipes P1 have not yet been juxtaposed, return to step 3, No. 4 to move the steel pipe to move the steel 76 on the letter arrangement mechanism 60 from the metal pipe arrangement conveying command unit 210, and lose it and rank The two metal pipes merge 1 'toward the protruding forming area. At step 31 6

534838 5. In the description of the invention (21), a signal is transmitted from the metal pipe arrangement conveying command section 210, and the steel pipe P 1 ′ which has been moved to the protruding forming area is clamped in the collet chuck 88 of the metal pipe moving device μ. A signal is transmitted from the mandrel drive command unit 21 2 to actuate the mandrel drive device 8 to insert the protruding portion g 4 of the mandrel 90 from the rear end of the steel pipe P 1 into the steel pipe P 1. In step 3 18, a signal is transmitted from the metal pipe arrangement conveying command section 2 10, and the steel pipe p 1 sandwiched by the metal pipe moving device 86 is fed into the projection forming device along the guide rail 84. Furthermore, in synchronization with this, a signal is transmitted from the mandrel drive command section 21 to push the mandrel drive device 8 and the mandrel. The humiliating zone actuating device 92 operates so that the protruding portion 94 of the mandrel 90 is located at the steel pipe p 1.

The forming position of the wrinkled portion P 2 is brought into a state capable of being protruded. In step 320, a signal is transmitted from the projection forming command section 21, and the projection forming apparatus 10 drives the mold 100 to align the upper and lower sides of the mold at the place where the steel pipe pi is subjected to projection molding. 〇2, 丨 〇4 Close and bulge. At this time, the t f pressure command unit 222 controls the forming pressure generating device 20 to operate the water liquid I Γ 彡 structure 134, and the hydraulic pressure command unit 2 24 controls the hydraulic device 22. This unit 22 is a holy force generating device 20, a water-liquid diverting mechanism 134, and a hydraulic installation. The system is synchronized. The water solution having the increased water pressure is caused to flow into the mandrel 90 and out of the bow of the forming section 94. oq a,, ^ ^ out. 4 holes 9 8 out. Swell the protruding part of steel pipe p 1

In the sonar and second step 322, the protrusion forming device 10 is used to bulge the steel pipe P1 as necessary, and the protrusion forming command portion 214 is judged to be convex 3 ^ 4. Ended ^. When the segmentation and protrusion forming system has ended, proceed to step s s and ′ when the segmentation and protrusion forming system has not ended, return to step

Page 534 838

Description of the invention (22) In step 324, from the number, the post-forming processing command unit 216 will be transmitted from the protrusion forming 1 to the post-forming processing device 1 2. The flexible pipe P pushed out by the protrusion is arranged in the protrusion. Take ΐ = 后 '#Move the flexible pipe fittings to determine the quality after molding ^ i, move to the quality inspection device 14, and send the signal to the convex 218 to make the product 326' from the leak inspection order pipe The second and second device U of the moving device 146 is actuated, and the clamp is placed in a flexible state, and sinks into the second line of the forest: both ends of the raw pipe P are sealed and supported. In the home, the air is fed into the flexible gas conveyed by compressed gas (not shown) installed in step 328, two P :: performed: "check. Or head 1 #, U% 9 gas reduction rate of the gas contracted gas delivery device gas : The inspection command section 218 judges whether there is a leak in the flexible pipe fitting p and proceeds to step 332. In step 33 0, the pipe selection bucket 16 is actuated and output. The metal pipe selection command section 22 transmits a signal, Proceed to step 3 3 0. When no leakage is detected, the «metal tube selection command section 2 2 0 transmits a signal to enable the opening state. ,, Γ, causes the opening and closing plate 166 on the upper side of the defective product recovery box 164 to step 334. V 丄 :: The product recovery box 164 is in the open state, enter the number, and place it in the &quot; τ 334, and send the defective product of the door / sex tube moving device 146 from the metal pipe selection command section 220 to the letter platform U0. In the working good recovery box; the defective products released in 4 2 middle 8 roll and fall into the non-transporting taste. In step 3 3 8 select the command part from the metal tube 2 2 0 Quality: The quality inspection device 14 is used for flexible The sexual fittings P are performed one by one in ν 3 3 0 'by the leak inspection command section 2 丨 8 Whether the paragraph is flexible

534838

V. Explanation of the invention (23)-The gas leakage signal in the sexual fitting P is identified by a, y, and e. When it is transmitted from the metal pipe selection command section 220, when it is detected, it goes to step 2; if no leak is detected, it goes to step 332. In step 342, the picking bucket 16 is operated from the golden eyebrows, and the gold transmission / selection command unit 220 transmits a signal to turn on the opening and closing plate 166 on the upper side of the defective product recovery box 164 in step 344. In step 344, t ^ f = the box 164 is in the opened state, enter the number, and place the clip on the flexible member ^; the belonging pipe selection command section 220 releases it on the transmission station U0. At step 346 = set "6 defective products" to the working good recovery box 1 64. T 'Release the defective products to roll and fall into the non-performing part. On the other hand, send a signal at step to make the pipe selection bucket 16 丄 from the metal Tube picking command section 22. The opening and closing plate 166 is said to be closed to remove the defective product recovery box 164 from the top of the metal tube picking command section; step 348. In step 348, the inspector moving device 146 of p. Chuanyun #blind, place the clip in the flexible 35 ° 'Release the good product m ?. on / open. In the step of good product recovery box 1 6 2.' Yi σ mouth recovery box 1 6 4 and drop In this way, according to this embodiment, the pipe fittings for wounded soldiers and Yan π 1 are set at 4, and the two are configured so that they can be stored from the steel pipe ρ

The rim tube P 1 is fed into the pipe one by one with the steel f ρ 1

e; &quot; V Use the mandrel drive device 8 to: s 1 from the t-end side to the front side, and then 'discharge from the pipe fittings' ffi = shaped mandrel 9. Insert in. Iron forming device! ,, The heart-shaped steel pipe p 1 in the old state is fed into the flexible pipe p convexly formed into a wrinkled portion P 2.

Page 26, 534838 V. Description of the invention (24) $: The quality of the flexible pipe P sent from Yau's protruding forming device 10 is used for the selection of good or defective products, and the good products are collected separately. Also, the arranging device 6 is configured so that at least three steels 1 can be arranged, and the projection forming device 10 is configured to be capable of forming at least two steel pipes. In the present embodiment, as a metal pipe that is formed by projection, although f, ^, and rust steel materials are described, the present invention is not limited to those materials, and other materials of aluminum guansi are naturally applicable. In the present embodiment, although three steel pipes P 1 are shown to be formed at the same time, it is naturally applicable that four or five metal pipes are formed at the same time. This is only a specific description of an embodiment with reference to the drawings, but the present invention is limited to the above-mentioned embodiment, and includes all embodiments that do not exceed the scope of the principle. ^ = Here, the method for forming the telescopic section and the apparatus for forming the telescopic section of the present invention can be described as follows. Department: It is enough to provide a method for forming a telescopic section of a steel pipe that can be sequentially controlled from picking up steel pipes to arranging and protruding into: Rongcha; post-processing, quality inspection, and selection of good or bad products ^ And telescoping section forming device. In addition, it is possible to provide a shrinkage forming apparatus for forming a wrinkled portion in most steel pipes. —The bulging forming of the cycle, that is, the method of forming the copper tube telescopic section at the same time, and the extension

Page 27 534838 V. Description of the invention (25) Furthermore, it can provide a method for forming a telescopic section of a steel pipe, and a device for forming a telescopic section, which can manufacture flexible pipe fittings with high efficiency and greatly reduce the manufacturing cost. III ·! Page 28 534838 Brief description of drawings Telescopic section forming device Pipe supply device Pipe arrangement device

Page 29 8: Mandrel drive device 10 Convex forming device 12 Convex post-processing device 14 Quality inspection device 16 Tube selection bucket 18 Control device 20 Molding pressure generating device 22 Hydraulic device 24 Safety monitoring device 30 Metal tube storage Pipe bucket 32 Carrying mechanism 34 Bottom 36 Vibration generating device 38 Driven wheel in stern area 40 Endless chain 42 Steel pipe carrier 44 Upright section 46 Horizontal section 50 Metal pipe side-by-side mechanism 52, 62 78 • Steel pipe stage 54, 64 80 138 :: U-shaped 534838 Brief description of the drawing 5 6: Punching machine 58 65: Metal tube traverse table 60 Second metal tube side-by-side mechanism 66 Metal tube carrier 68 Stand plate 70 Support rod 74 Metal tube end pushing device 76, 86 Steel pipe moving devices 76a and 146a: Traveling plate 76b: Metal pipe chuck 77: Third metal pipe side-by-side mechanism 82, 84: Guide rail 8 8: Collet chuck 9 0 ... Rod 9 2: Mandrel push drive device 94: Protruded forming portion 96: 0 Ring 9 8, 10, 10, 8: Opening hole 1 0 0: Moulds 102, 104: Butt molds 106b, 106c, 108b, 108c : Opposite openings 1 1 0, 1 1 2, 11 4, 11 6: Guide holes for mating molds 118, 120: End caps for fixing 122, 124: End caps for moving

Page 30 534838__ Brief description of the drawings 126, 128, 130: Flange portions 126a, 126b, 128a, 12 8b, 130a, 130b: Fastening portion 1 3 2 · Slab 1 3 2 a: Through hole 1 3 4: Water-liquid diverting mechanism 136, 160: Platform 140: Air cylinder 1 4 2: End push-out plate 146: Flexible pipe moving device 146b: Metal pipe collet 150: Water tank 1 5 2: Seal support plate 1 54: Rubber seal 156: Air duct 1 6 2: Good product recovery box 1 64: Defective product recovery box 1 6 6: Opening and closing plate 2 0 0 · Control system 2 0 2: System control unit 2 0 4: Interface 2 0 6 System action memory Section 2 0 7: Anomaly detection section 2 0 8: Metal tube supply command section 2 1 0: Metal tube arrangement conveyance command section

P.31 534838 Brief description of drawings 2 1 2: Mandrel drive command section 214: Protrusion forming command section 2 1 6: Metal tube forming post-processing command section 2 1 8: Leak inspection command section 2 2 0 Metal tube selection command Section 222: Molding pressure command section 2 2 4: Hydraulic pressure command section 2 3 0: Gongxun input section P: Flexible pipe fitting

P1 ·· Steel pipe P 2: Crease

Page 32

Claims (1)

534838 6. Scope of patent application! A method for forming a telescopic section of a metal pipe, including: sending most of the metal pipes stored in the pipe supply device to the pipes one by one = arranging the metal pipes in an order, sandwiching the metal pipes and transporting them The selected area is inserted into the heart with the protruding forming part from the end of the metal tube, and then the metal tube and the mandrel are moved to the protruding forming device, and the two 2 shaped parts are moved to the desired position of the metal tube. 4 of the protruding forming part: the metal pipe is bulged by applying pressure, and the protruding forming is performed, and the crimping part is formed at the above position, and the flexible pipe forming step is arranged to arrange the flexible pipe at Λ y + λ 'Pipes, transported to quality: check :: from t: the steps of selecting flexible defective products; and, double one, making good σ openings, and moving the flexible pipes to the pipes to select the buckets for recycling. Will be good. Mouth and defective products 2 · If the above-mentioned patent application scope 丨 The above-mentioned pipe fittings are supplied with vibration, and the pipe fittings are formed: the post-forming processing device, the quality inspection, the protruding forming device, and the common control system,-,, And pipe selection buckets are connected to these devices, pipe selection buckets, and disc signals, and send and receive each of these devices and the control system. For example, the second scope of patent application control. The above-mentioned pipe selection bucket is a &amp; forming method, where t: there is a defective product return at the place ", I is close to the quality inspection good product recovery box, and the said defective product return device has a phase collection and a good product recovery box. painting ί ^, page 33, 534838 VI. The scope of patent application is adjacent. On the upper side of the defective product recovery box, a plurality of opening and closing plates are provided. These opening and closing plates are controlled by the control system described above. Open when defective products are closed, close when defective products, the flexible pipe good products and defective products selected by the above quality inspection device are rolled from the above table, and each is collected in the good product recovery box and the defective product recovery box. 4. For example, the method for forming a telescopic section in the second scope of the patent application, wherein the above-mentioned pipe arrangement device has a plurality of metal tube storage areas, and the above-mentioned projection forming device simultaneously bulges the metal tubes stored in the area. Forming. 5. For example, the method for forming a telescopic section in the fourth scope of the patent application, wherein three metal pipes are stored in the above area, and from this area, these metal pipes are sequentially transported to the above-mentioned protruding forming device, the protruding forming device, Most of the paired molds are arranged side by side with three pairs of openings, and these molds are combined to form three metal pipes simultaneously. 6. As for the method for forming a telescopic section in the fourth scope of the patent application, a metal pipe is stored in the above area, and from this area, the metal pipe is transported to the above-mentioned protruding forming device, and most of the protruding forming device are side by side. A pair of dies having three openings are arranged side by side, and the metal pipe is arranged in a central opening of the three openings. These molds are combined to form a metal pipe into a protruding shape. Page 34 6. Scope of patent application. Among them, there will be enough metal pairs. 7. If the telescopic section of item 4 of the patent application scope has two metal tubes stored in the above area, the above-mentioned protrusions will be formed by the machine tool. The device is transported in order, °° ~~ 忒 protruding forming device, most of them are arranged side-by-side with a pair of molds with openings, and the sub-rows are disposed with the above-mentioned metal tube arranged in three openings. Two metal pipes are protruded at the same time: a split hole, a telescopic section forming device for a metal pipe, with a shape. 2 and 2 pipe fittings with a large number of metal pipes are supplied to the pipe arranging device installed at the 疋 and 疋 positions.丨, clamp the metal tubes to each metal tube 'and move the metal tubes to the official mobile device; out of the forming area, in this area, push the core rod with the protruding forming part into the core rod pushing device; &lt; One end of the metal pipe is inserted into the above area, and each metal pipe is protruded and formed, and a protruding forming device of the opposite part of the folding forming part is formed at this part; The quality of the flexible pipe fittings arranged side by side :: == :: Quality check 'Select good and defective products and other good products ϊ U ^ U \ and defective product recovery box: i :: JJ: It has an adjacent good product recovery box with 9 . For example, the telescopic section forming device in the scope of patent application No. 8 Soil = Pipe fitting supply device, fitting arrangement device, gold 534838 ----------- VI. Patent application range device, protruding forming device, &amp; post-forming treatment == set:; ::::: The selection bucket is connected to the common control system 7 receiving and sending each; the selection 4 'is equipped with the control system': each device is used to control these devices and pipe selection buckets. The quality inspection device for forming the telescopic section of item 9 includes the above-mentioned pipe picks π, a workbench, and a amp &amp; hopper. A side with a selective hopper is set near the side of the quality inspection. Away from: The defective product recovery box of the opening and closing plate controlled by the manufacturing system. A good product recovery box is set off the-side of the upper quality inspection device.