Embossing mold for manufacturing corrugated metal pipe and using method of embossing mold

Abstract

The invention relates to the technical field of pipe manufacturing equipment, in particular to an embossing die for manufacturing corrugated metal pipes and a using method thereof.The embossing die comprises two parallel conveying belts, a transmission roller is arranged between the conveying belts for transmission connection, and an outer corrugated pipe is arranged over a structure formed by the conveying belts and the transmission roller; materials are injected into a sealed annular structure composed of an annular end cover, an outer corrugated pipe, a plurality of outer semicircular pipes and an inner semicircular pipe through a conveying pipe, a conveying belt rotates, the structure composed of the outer semicircular pipes and the inner semicircular pipes is moved to the lower portion, and discharging of the metal corrugated pipe is assisted through an electromagnet on a second electric push rod; therefore, full-automatic manufacturing of the metal corrugated pipe is achieved, continuous and high-speed production can be achieved through full-automatic manufacturing, and the production period is greatly shortened. And the machine can continuously run without rest and pause, and can continuously produce, so that the yield is greatly improved, and the large demand of the market on the metal corrugated pipe is met.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of pipe manufacturing equipment, in particular to a rolling die for manufacturing corrugated metal pipe and a method for using the same. BACKGROUND

[0002] Corrugated metal pipes are usually made of metal materials, and their outer surfaces exhibit a series of regular or irregular corrugated patterns. These corrugations give the pipe a unique appearance and performance characteristics. The shape, depth, and spacing of the corrugations can be designed and adjusted according to different application requirements. The production of metal corrugated pipes requires the use of a rolling die, which injects metal into the die, and the metal cools in the die. By passing through the corrugations in the die, the corrugated metal pipe is produced.

[0003] In the traditional production process of metal corrugated pipes, a large amount of manual operation is often relied on, which not only slows down the speed, but also is easily affected by human factors, resulting in low production efficiency. SUMMARY

[0004] The purpose of the present application is to provide a rolling die for manufacturing corrugated metal pipe and a method for using the same to solve the problems raised in the background.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical solution: a rolling die for manufacturing corrugated metal pipe, comprising two groups of parallel conveying belts, transmission rollers are arranged between the conveying belts for transmission connection, an outer corrugated pipe is arranged vertically above the conveying belt and transmission roller structure, an inner support frame is arranged in the outer corrugated pipe for support, outer assembly frames are arranged at both ends of the inner support frame for fixation, a structure composed of multiple outer semicircular pipes and inner semicircular pipes is arranged outside the outer corrugated pipe, the inner semicircular pipes are movably installed in the outer semicircular pipes, the outer semicircular pipes and the inner semicircular pipes form an annular structure outside the outer corrugated pipe, transmission shafts are further arranged between the conveying belts for connection, fixed shaft seats are fixedly installed at the bottom of the outer semicircular pipes, movable shaft seats are arranged below the fixed shaft seats, rotating parts are fixedly installed at the top of the movable shaft seats, the rotating parts are rotatably connected with the fixed shaft seats, the movable shaft seats are movably sleeved outside the transmission shafts, annular end covers are arranged at both ends of the outer corrugated pipe, first electric push rods are fixedly installed on the outer assembly frames, the piston rod bottom ends of the first electric push rods are fixedly connected with the top of the annular end covers, connecting frames are fixedly installed on the outer assembly frames, frames composed of upper cross bars, arc-shaped guide rods, and lower cross bars are fixedly installed at the bottom of the connecting frames, L-shaped slide buckles are fixedly installed on the sides of the two outer semicircular pipes, the L-shaped slide buckles are movably sleeved on the frames composed of the upper cross bars, the arc-shaped guide rods, and the lower cross bars, and the L-shaped slide buckles are movably sleeved on the frames, conveying pipes are fixedly installed on the side walls of the annular end covers, and the conveying pipes are in communication with the cavities formed by the outer corrugated pipe, the outer semicircular pipe, and the inner semicircular pipe.

[0006] Preferably, the bottom of the inner support frame is fixedly provided with a partition strip, and the partition strip is located in the cavity formed by the outer corrugated pipe, the outer semicircular pipe and the inner semicircular pipe.

[0007] Preferably, the distance between the upper horizontal rods is smaller than the distance between the lower horizontal rods, and the distance between the upper horizontal rods is the same as the diameter of the outer semicircular pipe.

[0008] Preferably, the bottom of the annular end cover is provided with a groove corresponding to the outer assembly frame, and the area of the annular end cover is larger than the area of the annular structure formed by the outer corrugated pipe, the outer semicircular pipe and the inner semicircular pipe.

[0009] Preferably, the outer assembly frame is fixedly provided with a second electric push rod, a mounting plate is fixedly provided on the piston rod of the second electric push rod, an electromagnet is movably provided at the bottom of the mounting plate, the electromagnet is fixedly provided on the mounting plate through mounting bolts, and the electromagnet is in contact with the outer wall of the outer semicircular pipe.

[0010] Preferably, an assembly horizontal plate is fixedly provided on the piston rod of the second electric push rod, two swing plates are rotatably connected at the bottom of the assembly horizontal plate, a connecting hinge is rotatably connected at the bottom end of the swing plate, a rotating plate is provided at the bottom of the mounting plate, a connecting rotating rod is provided at the top of the rotating plate, the connecting rotating rod is rotatably connected with the mounting plate, the connecting hinge is fixedly connected with the top of the rotating plate, the swing plate also passes through the assembly groove provided on the mounting plate, a scraping plate is fixedly connected on the side of the rotating plate away from the other rotating plate, and the rotating plate and the scraping plate form a structure in contact with the outer wall of the outer semicircular pipe.

[0011] Preferably, a sliding groove is provided on the transmission shaft, a threaded pipe is threadedly connected in the transmission shaft, a rotating head is fixedly provided on the end of the threaded pipe, an inner rotating rod is rotatably connected in the threaded pipe, a sliding block is fixedly connected outside the inner rotating rod, and the sliding block is slidably connected with the sliding groove.

[0012] Preferably, the sliding block is located at the corresponding position on both sides of the movable shaft seat.

[0013] Preferably, a movable clamping plate is fixedly provided on the outer wall of the inner semicircular pipe, a limiting clamping plate is fixedly provided on the outer wall of the outer semicircular pipe, and a fixed screw rod is threadedly connected on the movable clamping plate.

[0014] A method for manufacturing a corrugated mold for a corrugated metal pipe, comprising the following steps: S1: the first electric push rod piston rod drives the annular end cover to rise and fall, when the annular end cover falls, the outer corrugated pipe, a plurality of outer semicircular pipes and the inner semicircular pipe are assembled together, material is injected into the sealed annular structure composed of the annular end cover, the outer corrugated pipe, the plurality of outer semicircular pipes and the inner semicircular pipe through the conveying pipe, the conveying belt rotates, the structure composed of the outer semicircular pipe and the inner semicircular pipe is moved to the lower side, and the electromagnetic iron on the second electric push rod assists the blanking of the metal corrugated pipe.

[0015] S2: according to the manufacturing needs of the metal corrugated pipe, different models of the inner semicircular pipe are selected to replace, the movable clamping plate is extracted from the limiting clamp plate, the movable clamping plate is extracted from the outer semicircular pipe, the inner semicircular pipe is extracted transversely, then the inner semicircular pipe is replaced, and after the replacement of the inner semicircular pipe is completed, the movable clamping plate is fixed again through the fixed screw rod.

[0016] S3: according to the installation needs, the moving track of the movable shaft seat on the transmission shaft is adjusted, the threaded pipe is moved in the transmission shaft by rotating the rotating head, and the sliding block moves to limit the moving distance of the movable shaft seat on the transmission shaft, so that different moving amplitudes of the movable shaft seat, the outer semicircular pipe and the inner semicircular pipe are adapted.

[0017] Compared with the prior art, the beneficial effects of the present application are:

[0018] 1、the first electric push rod piston rod drives the annular end cover to rise and fall, when the annular end cover falls, the outer corrugated pipe, a plurality of outer semicircular pipes and the inner semicircular pipe are assembled together, material is injected into the sealed annular structure composed of the annular end cover, the outer corrugated pipe, the plurality of outer semicircular pipes and the inner semicircular pipe through the conveying pipe, the conveying belt rotates, the structure composed of the outer semicircular pipe and the inner semicircular pipe is moved to the lower side, and the electromagnetic iron on the second electric push rod assists the blanking of the metal corrugated pipe, so that the full-automatic manufacturing of the metal corrugated pipe is realized, the full-automatic manufacturing can realize continuous and high-speed production, and the production cycle is greatly shortened. The machine can run continuously without rest and pause, and continuous production is realized, so that the yield is greatly improved, and the large demand of the market for the metal corrugated pipe is met.

[0019] 2、according to the manufacturing needs of the metal corrugated pipe, different models of the inner semicircular pipe are selected to replace, the movable clamping plate is extracted from the limiting clamp plate, the movable clamping plate is extracted from the outer semicircular pipe, the inner semicircular pipe is extracted transversely, then the inner semicircular pipe is replaced, and after the replacement of the inner semicircular pipe is completed, the movable clamping plate is fixed again through the fixed screw rod, different corrugations are formed by replacing different models of the inner semicircular pipe, and the diversified application scene requirements can be met.

[0020] 3. According to the installation needs, the moving track of the movable shaft seat on the transmission shaft is adjusted, the threaded pipe is moved in the transmission shaft by rotating the rotating head, and the sliding block limits the moving distance of the movable shaft seat on the transmission shaft when moving, so that different moving amplitudes of the movable shaft seat, the outer semicircular pipe and the inner semicircular pipe are adapted, and stronger adjustability is achieved. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a front view structural schematic diagram of the application.

[0022] Figure 2 It is a side view structural schematic diagram of the application.

[0023] Figure 3 It is a top view structural schematic diagram of the application.

[0024] Figure 4 It is a structural schematic diagram of the corresponding position of the outer semicircular pipe of the application.

[0025] Figure 5 It is a structural schematic diagram of the corresponding position of the rotating part of the application.

[0026] Figure 6 It is a structural schematic diagram of the corresponding position of the outer corrugated pipe of the application.

[0027] Figure 7 It is a structural schematic diagram of the corresponding position of the mounting plate of the application.

[0028] Figure 8 It is a structural schematic diagram of the corresponding position of the connecting rotating rod of the application.

[0029] Figure 9 It is a structural schematic diagram of the corresponding position of the spatula of the application.

[0030] Figure 10 It is a structural schematic diagram of the corresponding position of the transmission shaft of the application.

[0031] Figure 11 It is a structural schematic diagram of the corresponding position of the upper cross rod of the application.

[0032] Figure 12 It is a structural schematic diagram of the corresponding position of the sliding block of the application.

[0033] Figure 13 It is a structural schematic diagram of the corresponding position of the threaded pipe of the application.

[0034] In the figure: 1, conveying belt; 2, transmission roller; 3, outer corrugated pipe; 4, inner support frame; 401, partition strip; 5, outer assembly frame; 6, outer semicircular pipe; 7, inner semicircular pipe; 8, transmission shaft; 801, sliding groove; 9, fixed shaft seat; 10, movable shaft seat; 11, rotating part; 12, annular end cover; 13, first electric push rod; 14, connecting frame; 15, upper cross bar; 16, arc-shaped guide rod; 17, lower cross bar; 18, L-shaped sliding buckle; 19, conveying pipe; 20, second electric push rod; 21, mounting plate; 2101, assembly groove; 22, electromagnet; 23, mounting bolt; 24, assembly cross plate; 25, swing plate; 26, connecting hinge; 27, rotating plate; 28, connecting rotating rod; 29, scraper plate; 30, threaded pipe; 31, rotating head; 32, inner rotating rod; 33, sliding block; 34, movable clamping plate; 35, limiting clamping plate; 36, fixed screw rod. DETAILED DESCRIPTION

[0035] In order to make the objects, technical solutions and advantages of the present application clearer, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0036] Please refer to Figures 1 to 13The application provides a corrugated die for manufacturing a corrugated metal pipe, which comprises two groups of conveying belts 1 which are parallel to each other, transmission rollers 2 arranged between the conveying belts 1 for transmission connection, the conveying belts 1 and the transmission rollers 2, an outer corrugated pipe 3 arranged above the structure of the conveying belts 1 and the transmission rollers 2, the outer corrugated pipe 3 being an outer corrugated pipe, the outer corrugated pipe 3 being provided with corrugations outside, the corrugations ensuring the formation of corrugations inside the corrugated metal pipe, improving the forming effect of the corrugated metal pipe, the outer corrugated pipe 3 being provided with an inner support frame 4 inside for support, the inner support frame 4 being a rectangular frame, the weight of the inner support frame 4 being reduced, and the weight of the structure of the outer corrugated pipe 3 and the inner support frame 4 being reduced after the weight of the inner support frame 4 is reduced, the two ends of the inner support frame 4 being provided with outer assembly frames 5 for fixation, the outer assembly frames 5 being U-shaped shelves, the installation and suspension of the structure of the outer corrugated pipe 3 and the inner support frame 4 being assisted, the outer corrugated pipe 3 being provided with a structure composed of multiple outer semicircular pipes 6 and inner semicircular pipes 7 outside, the outer semicircular pipes 6 being outer semicircular rings, the inner semicircular pipes 7 being inner semicircular rings, and the inner semicircular pipes 7 being provided with corrugations on the inner diameters, the formation of corrugations outside the corrugated metal pipe being ensured, the two groups of outer semicircular pipes 6 and inner semicircular pipes 7 forming a ring-shaped surrounding structure, the inner semicircular pipes 7 being movably installed in the outer semicircular pipes 6, the outer semicircular pipes 6 and the inner semicircular pipes 7 forming a ring-shaped structure outside the outer corrugated pipe 3, the outer semicircular pipes 6 and the inner semicircular pipes 7 forming an outer ring-shaped structure, the outer corrugated pipe 3 being an inner ring-shaped structure, the two forming a space for injection molding, the inner support frame 4 being fixedly installed with a partition strip 401 at the bottom, and the partition strip 401 being located in a cavity composed of the outer corrugated pipe 3, the outer semicircular pipe 6 and the inner semicircular pipe 7, so that the outer corrugated pipe 3, the partition strip 401, the outer semicircular pipe 6 and the inner semicircular pipe 7 can form a ring-shaped space, the formed object being a ring-shaped object which is separated in the middle, and the outer corrugated pipe 3, the partition strip 401, the outer semicircular pipe 6 and the inner semicircular pipe 7 can form a longer ring-shaped structure, the formed object needing to be welded together to form a normal metal corrugated pipe, transmission shafts 8 being further arranged between the conveying belts 1 for connection, the conveying belts 1 moving to drive the transmission shafts 8 to move, thereby driving the outer semicircular pipes 6 and the inner semicircular pipes 7 to move, the outer semicircular pipes 6 being fixedly installed with fixed shaft seats 9 at the bottoms, the fixed shaft seats 9 being provided with movable shaft seats 10 below, the movable shaft seats 10 being fixedly installed with rotating parts 11 at the tops, the rotating parts 11 being rotatably connected with the fixed shaft seats 9, the bottoms of the fixed shaft seats 9 being provided with grooves corresponding to the shapes of the rotating parts 11, the rotating connection of the fixed shaft seats 9 and the movable shaft seats 10 being realized, the fixed shaft seats 9 and the movable shaft seats 10 forming a rotating connection structure, the movable shaft seats 10 being movably sleeved outside the transmission shafts 8, the movable shaft seats 10 moving horizontally on the transmission shafts 8, thereby separating the two outer semicircular pipes 6 and the inner semicircular pipes 7, so that the metal corrugated pipe formed outside the outer corrugated pipe 3 can also be taken down, the two ends of the outer corrugated pipe 3 being provided with ring-shaped end covers 12, the outer assembly frames 5 being fixedly installed with first electric push rods 13, the piston rod bottoms of the first electric push rods 13 being fixedly connected with the tops of the ring-shaped end covers 12,The piston rod of the first electric push rod 13 drives the annular end cover 12 to move to the specified position, and the outer corrugated pipe 3, the outer semicircular pipe 6 and the inner semicircular pipe 7 form a structure at both ends of the blocking, so that the annular end cover 12, the outer corrugated pipe 3, the outer semicircular pipe 6 and the inner semicircular pipe 7 form a sealed space for the metal corrugated pipe injection, and the outer assembly frame 5 is fixedly installed with a connecting frame 14, which is transversely installed on the outer assembly frame 5, and the outer assembly frame 5 and the connecting frame 14 form a total mounting frame, and the bottom of the connecting frame 14 is fixedly installed with a frame composed of an upper cross rod 15, an arc-shaped guide rod 16 and a lower cross rod 17, which forms a guide shelf, and the outer semicircular pipe 6 and the L-shaped slide buckle 18 form a structure on the shelf composed of the upper cross rod 15, the arc-shaped guide rod 16 and the L-shaped slide buckle 18, and the outer semicircular pipe 6, the inner semicircular pipe 7 and the L-shaped slide buckle 18 form a structure on the arc-shaped guide rod 16, and the L-shaped slide buckle 18 is movably sleeved on the frame composed of the upper cross rod 15, the arc-shaped guide rod 16 and the lower cross rod 17, and the L-shaped slide buckle 18 slides on the arc-shaped guide rod 16, so as to realize the movement of the outer semicircular pipe 6 and the inner semicircular pipe 7, and the side wall of the annular end cover 12 is fixedly installed with a conveying pipe 19, and the conveying pipe 19 is in communication with the cavity formed by the outer corrugated pipe 3, the outer semicircular pipe 6 and the inner semicircular pipe 7, and when the metal corrugated pipe is formed, the injected material enters the space formed by the outer corrugated pipe 3, the outer semicircular pipe 6 and the inner semicircular pipe 7 through the conveying pipe 19.

[0037] The distance between the upper cross rods 15 is less than the distance between the lower cross rods 17, and the distance between the upper cross rods 15 is the same as the diameter of the outer semicircular pipe 6, and the distance between the upper cross rods 15 is limited, which can ensure that the two groups of outer semicircular pipes 6 and inner semicircular pipes 7 can be attached together, and the movement track of the outer semicircular pipe 6 and the inner semicircular pipe 7 is limited.

[0038] The bottom of the annular end cover 12 is provided with a groove corresponding to the outer assembly frame 5, and the area of the annular end cover 12 is greater than the area of the annular structure formed by the outer corrugated pipe 3, the outer semicircular pipe 6 and the inner semicircular pipe 7, and when the annular end cover 12 moves up and down, the groove at the bottom of the annular end cover 12 can ensure that the annular end cover 12 will not be affected when it rises and falls, and the normal lifting of the annular end cover 12 is ensured.

[0039] The second electric push rod 20 is fixedly installed on the outer assembling frame 5, a piston rod of the second electric push rod 20 is fixedly installed with a mounting plate 21, the bottom of the mounting plate 21 is movably installed with an electromagnet 22, the electromagnet 22 is screw-fixedly installed on the mounting plate 21 through a mounting bolt 23, the electromagnet 22 is in contact with the outer wall of the outer semicircular pipe 6, the piston rod of the second electric push rod 20 drives the mounting plate 21 to ascend and descend, the mounting plate 21 drives the electromagnet 22 to ascend and descend when ascending and descending, the electromagnet 22 is in contact with the metal corrugated pipe, when the electromagnet 22 is powered, the electromagnet 22 generates a magnetic force, the metal corrugated pipe is adsorbed on the electromagnet 22, and the discharging of the metal corrugated pipe is realized.

[0040] As an embodiment of the crimped corrugated pipe of the application, when the metal corrugated pipe is insufficient in magnetism, a mounting horizontal plate 24 is fixedly installed on the piston rod of the second electric push rod 20, two swing plates 25 are rotatably connected to the bottom of the mounting horizontal plate 24, a connecting hinge 26 is rotatably connected to the bottom end of the swing plate 25, a rotating plate 27 is arranged at the bottom of the mounting plate 21, a connecting rotating rod 28 is arranged at the top of the rotating plate 27 and rotatably connected to the mounting plate 21, the connecting hinge 26 is fixedly connected to the top of the rotating plate 27, the swing plate 25 also passes through a mounting groove 2101 arranged on the mounting plate 21, a scraper plate 29 is fixedly connected to the side, away from each other, of the two rotating plates 27, the rotating plate 27 and the scraper plate 29 are in contact with the outer wall of the outer semicircular pipe 6, the piston rod of the second electric push rod 20 drives the mounting horizontal plate 24 to ascend, the mounting horizontal plate 24 pulls the swing plate 25 to move upward when ascending, the swing plate 25 exerts pressure on the connecting hinge 26 when moving upward, thereby driving the rotating plate 27 and the scraper plate 29 to rotate, the rotating plate 27 and the scraper plate 29 rotate around the connecting rotating rod 28, the rotating plate 27 and the scraper plate 29 are scraped on the outer wall of the metal corrugated pipe, the metal corrugated pipe is fixed, and the discharging of the metal corrugated pipe is realized.

[0041] The transmission shaft 8 is provided with a sliding groove 801, a threaded pipe 30 is screw-connected in the transmission shaft 8, a rotating head 31 is fixedly installed on the end of the threaded pipe 30, an inner rotating rod 32 is rotatably connected in the threaded pipe 30, a sliding block 33 is fixedly connected outside the inner rotating rod 32, the sliding block 33 is slidably connected with the sliding groove 801, the rotation of the rotating head 31 drives the threaded pipe 30 to move in the transmission shaft 8, thereby changing the position of the sliding block 33 in the sliding groove 801, and limiting the moving position of the movable shaft seat 10.

[0042] The sliding block 33 is located at the corresponding position on both sides of the movable shaft seat 10, the sliding block 33 limits the movable shaft seat 10 on both sides, and the limiting effect of the movable shaft seat 10 is ensured.

[0043] The outer wall of the inner semicircular tube 7 is fixedly provided with a movable clamping plate 34, the outer wall of the outer semicircular tube 6 is fixedly provided with a limiting clamping plate 35, the movable clamping plate 34 is threadedly connected with a fixing screw rod 36, different inner semicircular tubes 7 are selected according to different needs, and different metal corrugated pipes are manufactured according to different inner corrugations of the inner semicircular tube 7.

[0044] Working principle:

[0045] Step 1: According to the manufacturing needs of the metal corrugated pipe, different models of the inner semicircular tube 7 are selected, when the inner semicircular tube 7 is replaced, the fixing screw rod 36 on the movable clamping plate 34 is rotated, the fixing screw rod 36 is removed from the movable clamping plate 34, after the fixing screw rod 36 is removed from the movable clamping plate 34, the inner semicircular tube 7 in the outer semicircular tube 6 is moved transversely, the movable clamping plate 34 is driven to move out of the limiting clamping plate 35 when the inner semicircular tube 7 is moved transversely, the movable clamping plate 34 is extracted from the outer semicircular tube 6, after the inner semicircular tube 7 is extracted transversely, the inner semicircular tube 7 is replaced, and the movable clamping plate 34 is fixed by the fixing screw rod 36 again after the replacement of the inner semicircular tube 7 is completed.

[0046] Step 2: According to the installation needs, the moving track of the movable shaft seat 10 on the transmission shaft 8 is adjusted, the threaded pipe 30 is moved in the transmission shaft 8 by rotating the rotating head 31, the threaded pipe 30 is moved to drive the sliding block 33 to move in the sliding groove 801, the sliding block 33 moves to limit the moving distance of the movable shaft seat 10 on the transmission shaft 8, and different models of the upper cross rod 15, the arc-shaped guide rod 16 and the lower cross rod 17 are adapted, so that different moving amplitudes of the movable shaft seat 10, the outer semicircular tube 6 and the inner semicircular tube 7 are adapted.

[0047] Third step: the piston rod of the first electric push rod 13 drives the annular end cover 12 to move upwards, the annular end cover 12 does not affect the movement of the outer semicircular pipe 6 and the inner semicircular pipe 7, when the transmission roller 2 drives the conveyor belt 1 to rotate, the conveyor belt 1 moves to drive the transmission shaft 8 to move, the movement of the transmission shaft 8 drives the movable shaft seat 10, the outer semicircular pipe 6 and the inner semicircular pipe 7 on the transmission shaft 8 to move, when the movable shaft seat 10, the outer semicircular pipe 6 and the inner semicircular pipe 7 move, the L-shaped sliding buckle 18 on the outer semicircular pipe 6 will move under the guidance of the upper cross rod 15, the arc-shaped guide rod 16 and the lower cross rod 17, the L-shaped sliding buckle 18 drives the outer semicircular pipe 6 to move when moving, the outer semicircular pipe 6 and the inner semicircular pipe 7 are limited by the upper cross rod 15, the arc-shaped guide rod 16 and the lower cross rod 17 during the movement, the two groups of outer semicircular pipes 6 and inner semicircular pipes 7 are separated, when the outer semicircular pipe 6 and the inner semicircular pipe 7 are separated, in order to adapt to the movement of the outer semicircular pipe 6 and the inner semicircular pipe 7, the fixed shaft seat 9 at the bottom of the outer semicircular pipe 6 will rotate on the movable shaft seat 10, the rotation of the fixed shaft seat 9 is limited by the rotating part 11, after the structure composed of multiple outer semicircular pipes 6 and inner semicircular pipes 7 are close together, the annular end cover 12 is driven to descend by the piston rod of the first electric push rod 13, the annular end cover 12 is located at both ends of the structure composed of the outer corrugated pipe 3, multiple outer semicircular pipes 6 and inner semicircular pipes 7, the annular end cover 12, the outer corrugated pipe 3, multiple outer semicircular pipes 6 and inner semicircular pipes 7 form a sealed annular structure, materials are injected into the sealed annular structure composed of the annular end cover 12, the outer corrugated pipe 3, multiple outer semicircular pipes 6 and inner semicircular pipes 7 through the conveying pipe 19, a metal corrugated pipe is formed in the sealed annular structure composed of the annular end cover 12, the outer corrugated pipe 3, multiple outer semicircular pipes 6 and inner semicircular pipes 7, through the design that the separation strip 401 is also located in the sealed annular structure composed of the annular end cover 12, the outer corrugated pipe 3, multiple outer semicircular pipes 6 and inner semicircular pipes 7, the formed plate is arc-shaped, the annular end cover 12 is lifted by the piston rod of the first electric push rod 13, the conveyor belt 1 rotates, the structure composed of the outer semicircular pipe 6 and the inner semicircular pipe 7 is moved to the lower side, the mounting plate 21 and the electromagnet 22 are driven to descend by the piston rod of the second electric push rod 20, the electromagnet 22 contacts the metal corrugated pipe, the metal corrugated pipe is adsorbed by magnetic force, and the blanking of the metal corrugated pipe is assisted.

[0048] Finally, it should be noted that: the above examples are used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing examples, or make equivalent replacement for part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A corrugating die for manufacturing corrugated metal tubes, comprising two sets of mutually parallel conveyor belts (1) provided with drive rollers (2) for driving connection between them, characterized in that: The outer corrugated pipe (3) is arranged above the structure composed of the conveying belt (1) and the transmission roller (2), an inner support frame (4) is arranged in the outer corrugated pipe (3) for supporting, outer assembly frames (5) are arranged at both ends of the inner support frame (4) for fixing, a structure composed of a plurality of outer semicircular pipes (6) and inner semicircular pipes (7) is arranged outside the outer corrugated pipe (3), the inner semicircular pipes (7) are movably arranged in the outer semicircular pipes (6), the outer semicircular pipes (6) and the inner semicircular pipes (7) form an annular structure outside the outer corrugated pipe (3), transmission shafts (8) are further arranged between the conveying belts (1) for connecting, fixed shaft seats (9) are fixedly arranged at the bottom of the outer semicircular pipes (6), movable shaft seats (10) are arranged below the fixed shaft seats (9), rotating parts (11) are fixedly arranged at the top of the movable shaft seats (10), the rotating parts (11) are rotatably connected with the fixed shaft seats (9), the movable shaft seats (10) are movably arranged outside the transmission shafts (8), annular end covers (12) are arranged at both ends of the outer corrugated pipe (3), first electric push rods (13) are fixedly arranged on the outer assembly frames (5), the piston rod bottom ends of the first electric push rods (13) are fixedly connected with the top of the annular end covers (12), connecting frames (14) are fixedly arranged on the outer assembly frames (5), a frame composed of upper cross bars (15), arc-shaped guide rods (16) and lower cross bars (17) is fixedly arranged at the bottom of the connecting frames (14), L-shaped slide buckles (18) are fixedly arranged on the sides of the two outer semicircular pipes (6) away from each other, the L-shaped slide buckles (18) are movably arranged on the frame composed of the upper cross bars (15), the arc-shaped guide rods (16) and the lower cross bars (17), conveying pipes (19) are fixedly arranged on the side walls of the annular end covers (12) and communicate with the cavities composed of the outer corrugated pipe (3), the outer semicircular pipe (6) and the inner semicircular pipe (7).

2. A corrugating die for manufacturing corrugated metal pipe according to claim 1, wherein: The bottom of the inner support frame (4) is fixedly provided with a partition strip (401), and the partition strip (401) is located in the cavity composed of the outer corrugated pipe (3), the outer semicircular pipe (6) and the inner semicircular pipe (7).

3. A corrugating die for manufacturing corrugated metal pipe according to claim 2, wherein: The distance between the upper cross bars (15) is smaller than the distance between the lower cross bars (17), and the distance between the upper cross bars (15) is the same as the diameter of the outer semicircular pipe (6).

4. A corrugating die for manufacturing corrugated metal pipe according to claim 3 wherein: The bottom of the annular end cover (12) is provided with a groove corresponding to the outer assembly frame (5), and the area of the annular end cover (12) is larger than the area of the annular structure composed of the outer corrugated pipe (3), the outer semicircular pipe (6) and the inner semicircular pipe (7).

5. A corrugating die for manufacturing corrugated metal pipe according to claim 4 wherein: Second electric push rods (20) are fixedly arranged on the outer assembly frames (5), mounting plates (21) are fixedly arranged on the piston rods of the second electric push rods (20), electromagnets (22) are movably arranged at the bottom of the mounting plates (21), the electromagnets (22) are fixedly arranged on the mounting plates (21) by mounting bolts (23), and the electromagnets (22) are in contact with the outer walls of the outer semicircular pipes (6).

6. A corrugating die for manufacturing corrugated metal pipe according to claim 5 wherein: The piston rod of the second electric push rod (20) is fixedly provided with an assembly horizontal plate (24), the bottom of the assembly horizontal plate (24) is rotatably connected with two swing plates (25), the bottom end of the swing plate (25) is rotatably connected with a connecting hinge (26), the bottom of the mounting plate (21) is provided with a rotating plate (27), the top of the rotating plate (27) is provided with a connecting rotating rod (28), and the connecting rotating rod (28) is rotatably connected with the mounting plate (21), the connecting hinge (26) is fixedly connected with the top of the rotating plate (27), and the swing plate (25) also passes through the assembly slot (2101) formed in the mounting plate (21), the side, away from each other, of the two rotating plates (27) is fixedly connected with a scraping plate (29), and the rotating plate (27) and the scraping plate (29) are in contact with the outer wall of the outer semicircular pipe (6).

7. A corrugating die for manufacturing corrugated metal pipe according to claim 6 wherein: The transmission shaft (8) is provided with a sliding groove (801), and the transmission shaft (8) is screw-connected with a threaded pipe (30), the threaded pipe (30) is fixedly provided with a rotating head (31) at the end, the threaded pipe (30) is rotatably connected with an inner rotating rod (32), the inner rotating rod (32) is fixedly connected with a sliding block (33), and the sliding block (33) is slidably connected with the sliding groove (801).

8. A corrugating die for manufacturing corrugated metal pipe according to claim 7, wherein: The sliding block (33) is located at the corresponding positions on both sides of the movable shaft seat (10).

9. A corrugating die for manufacturing corrugated metal pipe according to claim 8 wherein: The outer wall of the inner semicircular pipe (7) is fixedly provided with a movable clamping plate (34), the outer wall of the outer semicircular pipe (6) is fixedly provided with a limiting clamping plate (35), and the movable clamping plate (34) is screw-connected with a fixing screw rod (36).

10. A method of using a corrugation die for manufacturing a corrugated metal pipe, for a corrugation die for manufacturing a corrugated metal pipe according to any one of claims 1-9, characterized in that, The steps include: S1: the first electric push rod (13) drives the annular end cover (12) to ascend and descend, when the annular end cover (12) descends, the outer corrugated pipe (3), the plurality of outer semicircular pipes (6) and the inner semicircular pipe (7) are assembled together, materials are injected into the annular structure formed by the annular end cover (12), the outer corrugated pipe (3), the plurality of outer semicircular pipes (6) and the inner semicircular pipe (7) through the conveying pipe (19), the conveying belt (1) rotates, and the structure formed by the outer semicircular pipe (6) and the inner semicircular pipe (7) is moved to the lower side, and the second electric push rod (20) is provided with an electromagnet (22) to assist the discharging of the metal corrugated pipe; S2: according to the production needs of the metal corrugated pipe, different models of the inner semicircular pipe (7) are selected and replaced, the movable clamping plate (34) is pulled out from the limiting clamping plate (35), the movable clamping plate (34) is pulled out from the outer semicircular pipe (6), the inner semicircular pipe (7) is pulled out transversely, then the inner semicircular pipe (7) is replaced, and the movable clamping plate (34) is fixed by the fixing screw rod (36) after the replacement of the inner semicircular pipe (7) is completed. S3: According to the installation requirement, the moving track of the movable axle seat (10) on the transmission shaft (8) is adjusted, the threaded tube (30) is moved in the transmission shaft (8) by rotating the rotating head (31), and the sliding block (33) limits the moving distance of the movable axle seat (10) on the transmission shaft (8) when moving, so as to adapt to different moving amplitudes of the movable axle seat (10), the outer semicircular tube (6) and the inner semicircular tube (7).

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