CN114749555A - Metal hose forming device and forming method thereof - Google Patents
Metal hose forming device and forming method thereof Download PDFInfo
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- CN114749555A CN114749555A CN202210512205.2A CN202210512205A CN114749555A CN 114749555 A CN114749555 A CN 114749555A CN 202210512205 A CN202210512205 A CN 202210512205A CN 114749555 A CN114749555 A CN 114749555A
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- metal hose
- forming
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- spinning
- shallow
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- 239000002184 metal Substances 0.000 title claims abstract description 40
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000005096 rolling process Methods 0.000 claims abstract description 54
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 29
- 239000010959 steel Substances 0.000 claims abstract description 29
- 238000004140 cleaning Methods 0.000 claims abstract description 15
- 230000001050 lubricating effect Effects 0.000 claims abstract description 11
- 238000009987 spinning Methods 0.000 claims description 65
- 239000011295 pitch Substances 0.000 claims description 19
- 230000005540 biological transmission Effects 0.000 claims description 7
- 229910001220 stainless steel Inorganic materials 0.000 claims description 7
- 239000010935 stainless steel Substances 0.000 claims description 7
- 239000010687 lubricating oil Substances 0.000 claims description 6
- 239000003921 oil Substances 0.000 claims description 6
- 238000009826 distribution Methods 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 description 7
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
- B21D35/002—Processes combined with methods covered by groups B21D1/00 - B21D31/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D15/00—Corrugating tubes
- B21D15/04—Corrugating tubes transversely, e.g. helically
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L11/00—Hoses, i.e. flexible pipes
- F16L11/14—Hoses, i.e. flexible pipes made of rigid material, e.g. metal or hard plastics
- F16L11/15—Hoses, i.e. flexible pipes made of rigid material, e.g. metal or hard plastics corrugated
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
The invention discloses a metal hose forming device and a forming method thereof, and the metal hose forming device comprises a workbench, a rolling mechanism, a steel pipe rounding mechanism, a lubricating mechanism, a first shallow wave forming mechanism, a second shallow wave forming mechanism, a third shallow wave forming mechanism, a dense wave forming mechanism and a high-pressure cleaning mechanism which are sequentially arranged on the workbench from left to right, wherein one side of the left end and the right end of the workbench are respectively provided with a steel belt roll and a finished product rolling mechanism.
Description
Technical Field
The invention relates to the technical field of metal hose manufacturing, in particular to a metal hose forming device and a forming method thereof.
Background
The Corrugated metal hose (abbreviated as a hose) is a high-quality flexible pipe in modern industrial pipelines, has the characteristics of good flexibility, fatigue resistance, high pressure bearing capacity, good temperature resistance, corrosion resistance, strong sealing property and the like, and has much longer service life than other hoses (rubber hoses and plastic hoses). It is widely used in the industries of aviation, aerospace, petroleum, chemical industry, steel, electric power, papermaking, building, rubber, textile printing and dyeing, medicine, food, transportation and the like. With the development of modern industry, the demand for high-quality and high-performance corrugated metal hoses is increasing.
The traditional metal hose forming mode is limited by the problems of forming characteristics and continuity, cannot meet the forming requirement of an infinite length metal corrugated pipe, and shows limitation on the corrugated pipe forming with high length requirement and good stability.
Disclosure of Invention
The present invention is directed to a metal hose forming apparatus and a forming method thereof, so as to solve the problems of the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
a metal hose forming device comprises a workbench, a rolling mechanism, a steel pipe rounding mechanism, a lubricating mechanism, a first shallow wave forming mechanism, a second shallow wave forming mechanism, a third shallow wave forming mechanism, a dense wave forming mechanism and a high-pressure cleaning mechanism, wherein the rolling mechanism, the steel pipe rounding mechanism, the lubricating mechanism, the first shallow wave forming mechanism, the second shallow wave forming mechanism, the third shallow wave forming mechanism, the dense wave forming mechanism and the high-pressure cleaning mechanism are sequentially arranged on the workbench from left to right;
The dense wave forming mechanism comprises a fixed plate, the surface of the fixed plate is rotatably connected with a turntable through a bearing, the surface of the turntable is rotatably connected with three rolling dies distributed in a circumferential array through the bearing, and a driving mechanism for driving the three rolling dies to rotate synchronously is arranged on the turntable.
As a further scheme of the invention: first shallow wave forming mechanism includes two sleeves, two rotate through the bearing between the sleeve and be connected with spinning mould, just spinning mould and sleeve eccentric distribution, just be connected with first motor through first belt drive assembly on the spinning mould, first motor is installed on the workstation.
As a still further scheme of the invention: the spinning mould is both ends open-ended hollow structure, the bottom inner wall of spinning mould contacts with the bottom lateral wall of pipe, just the inner wall of spinning mould is provided with the screw thread, and the sleeve is coincidence for the axis of pipe, and spinning mould and pipe are eccentric to be placed, and the axis of spinning mould is nonparallel with the axis of pipe promptly, and when equipment operation, the spinning mould carries out circumferential motion around the pipe, and the spiral arch of spinning mould is impressed in the pipe to drive the pipe and move backward and pass the spinning mould, and the spinning mould is left-handed rotation follow-up, and bellows distortion direction is anticlockwise.
As a still further scheme of the invention: the internal diameter of the thread of the spinning mould on the first shallow wave forming mechanism is 18mm, the thread pitch is 5.2mm, and the lead angle is 5.25 the internal diameter of the thread of the mould of the spinning mould on the second shallow wave forming mechanism is 18mm, the thread pitch is 4.8mm, and the lead angle is 4.85 degrees, the internal diameter of the thread of the spinning mould on the third shallow wave forming mechanism is 18mm, the thread pitch is 4.5mm, the lead angle is 4.55 degrees, and each the lead angle of the thread of the spinning mould is equal to the declination of the axis thereof, and the tube blank firstly enters a shallow wave forming stage and gradually deepens the corrugation through three passes.
As a still further scheme of the invention: the carousel is connected with the second motor through second belt drive assembly, the second motor is installed on the workstation, just the surface of fixed plate and the middle part of carousel are provided with the through-hole that is used for running through the pipe for the carousel drives three roll-in mould and carries out circumferential motion around the pipe, wholly does the revolution around the pipe through starting the second motor.
As a still further scheme of the invention: the driving mechanism comprises a micro motor, a groove body used for installing the micro motor is arranged on the surface of the rotary table, the rolling dies are connected with the micro motor through a third belt transmission assembly and are three, a central point between the rolling dies and a central point of the rotary table are located on the same straight line, and the three rolling dies synchronously rotate by starting the micro motor, so that the rolling dies perform spiral extrusion on the surface of the tube blank.
As a still further scheme of the invention: the surface of the rolling die is provided with spiral teeth, the spiral teeth are formed by clockwise follow-up spinning and are right-handed, the corrugation is gradually deepened through three passes, and finally the screw pitch of the corrugation is encrypted to the designed size in the dense wave forming stage.
As a still further scheme of the invention: the external diameter of the spiral thread of the spiral tooth is 50mm, the thread pitch is 4.5mm, and the thread pitch is gradually reduced to 1.95 mm.
As a still further scheme of the invention: the rolling mechanism is used for rolling a steel belt, the steel pipe rounding mechanism is used for adjusting the roundness of the pipe body in real time on line, the lubricating mechanism is used for dropping lubricating oil to the steel pipe, and the high-pressure cleaning mechanism is used for cleaning oil stains on the metal hose.
The invention also relates to a forming method of the metal hose, which comprises the following steps:
the method comprises the steps that firstly, a stainless steel belt enters a rounding mechanism to be rounded, a spinning forming device is introduced after the stainless steel belt is rounded through a steel pipe rounding mechanism, lubricating oil is dripped into a pipe blank through a lubricating mechanism after the stainless steel belt passes through the rounding mechanism, a seamless steel pipe is formed into a corrugated pipe with deep waves after three times of spinning, then the corrugated pipe enters a dense wave forming mechanism to be rolled, the deep wave corrugated pipe is rolled into a dense wave corrugated pipe, finally, oil stain cleaning is carried out on the formed corrugated pipe, and after forming, a metal pipe is coiled into a coil through a finished product coiling mechanism.
Compared with the prior art, the invention has the beneficial effects that:
the invention realizes the continuous precise forming of the metal corrugated pipe, the shallow wave forming of the pipe blank adopts a multi-pass mutually staggered spinning die, the dense wave forming adopts a three-roller planet wheel rolling technology, the invention has the advantages of high production efficiency and good forming quality, the axes of the three rolling dies are parallel to the axis of the corrugated pipe and are evenly distributed according to 120 degrees around the axis of the corrugated pipe, thus being beneficial to the biting of the corrugated pipe, in order to reduce the distortion degree of the bus of the corrugated pipe, the three rolling dies are arranged on a turntable, compared with the traditional combined internal spinning mode, the relative slippage between the dies and the pipe body can be effectively reduced in the three-roller forming process, the damage of the pipe body is reduced, the three-roller forming process is processed by the three times of the three rolling dies every one revolution, so the corrugated pipe obtains great deformation, the external helical teeth processing precision is higher, thereby the forming outlet wave distance is smaller, The process cancels a traditional discharge port directional traction device, an internal spinning left-handed mold is adopted for the first three-pass shallow corrugated pipe, the corrugated pipe is twisted in the anticlockwise direction, and in order to reduce the longitudinal twist of the formed corrugated pipe, the dense-wave forming helical teeth are in clockwise and clockwise follow-up spinning, so that the reverse twist of the fourth-pass corrugated pipe is realized.
Drawings
Fig. 1 is a schematic structural view of a metal hose forming apparatus.
Fig. 2 is a schematic structural diagram of a shallow wave forming mechanism in a metal hose forming device.
Fig. 3 is a left side view of fig. 2.
Fig. 4 is a right side view of fig. 2.
Fig. 5 is a schematic structural diagram of a shallow wave forming mechanism in a metal hose forming device.
Fig. 6 is a schematic structural diagram of a dense wave forming mechanism in a metal hose forming device.
Fig. 7 is a schematic structural view of fig. 6 from another angle.
In the figure: 1. a work table; 2. a steel strip coil; 3. a rolling mechanism; 5. a steel pipe rounding mechanism; 6. a lubrication mechanism; 7. a first shallow wave forming mechanism; 8. a second shallow wave forming mechanism; 9. a third shallow wave forming mechanism; 10. a dense wave forming mechanism; 11. a high pressure cleaning mechanism; 12. a finished product coiling mechanism; 13. a sleeve; 14. spinning a die; 15. a first belt drive assembly; 16. a first motor; 17. a fixing plate; 18. a turntable; 19. a second motor; 20. a second belt drive assembly; 21. rolling the die; 22. a third belt drive assembly; 23. a micro motor.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 7, in the embodiment of the present invention, a metal hose forming apparatus includes a workbench 1, and a rolling mechanism 3, a steel pipe rolling mechanism 5, a lubricating mechanism 6, a first shallow wave forming mechanism 7, a second shallow wave forming mechanism 8, a third shallow wave forming mechanism 9, a dense wave forming mechanism 10, and a high pressure cleaning mechanism 11 sequentially disposed on the workbench 1 from left to right, and one side of the left and right ends of the workbench 1 is respectively provided with a steel belt roll 2 and a finished product rolling mechanism 12, the rolling mechanism 3 is used for rolling a steel belt, the steel pipe rolling mechanism 5 is used for online real-time adjustment of the rolling degree of a pipe body, the lubricating mechanism 6 is used for dropping lubricating oil on the steel pipe, the high pressure cleaning mechanism 11 is used for greasy dirt cleaning of a metal hose, the first shallow wave forming mechanism 7, the second shallow wave forming mechanism 8, and the third shallow wave forming mechanism 9 have the same structure, the first shallow wave forming mechanism 7, the second shallow wave forming mechanism 8 and the third shallow wave forming mechanism 9 are formed by adopting an internal spinning left-handed mold, the screw pitches of the first shallow wave forming mechanism 7, the second shallow wave forming mechanism 8 and the third shallow wave forming mechanism 9 are sequentially reduced, the first shallow wave forming mechanism 7 comprises two sleeves 13, a spinning mold 14 is rotatably connected between the two sleeves 13 through a bearing, the spinning mold 14 and the sleeves 13 are eccentrically distributed, the spinning mold 14 is connected with a first motor 16 through a first belt transmission assembly 15, the first motor 16 is arranged on the worktable 1, the spinning mold 14 is a hollow structure with openings at two ends, the inner wall of the bottom of the spinning mold 14 is in contact with the side wall of the bottom of the tube blank, threads are arranged on the inner wall of the spinning mold 14, the sleeves 13 are coincident relative to the axis of the tube blank, the spinning mold 14 and the tube blank are eccentrically arranged, namely, the axis of the spinning mold 14 is not parallel to the axis of the tube blank, when the equipment is operated, the spinning die 14 moves circumferentially around the tube blank, the spiral bulge of the spinning die 14 is pressed into the tube blank and drives the tube blank to move backwards to penetrate through the spinning die 14, the spinning die 14 rotates along with the left direction, the corrugated tube twists in a counterclockwise direction, the internal diameter of the thread of the spinning die 14 on the first shallow wave forming mechanism 7 is 18mm, the thread pitch is 5.2mm, the lead angle is 5.25 degrees, the internal diameter of the die thread of the spinning die 14 on the second shallow wave forming mechanism 8 is 18mm, the thread pitch is 4.8mm, the lead angle is 4.85 degrees, the internal diameter of the thread of the spinning die 14 on the third shallow wave forming mechanism 9 is 18mm, the thread pitch is 4.5mm, the lead angle is 4.55 degrees, and the lead angle of each thread of the spinning die 14 is equal to the deflection angle of the axis, the tube blank firstly enters a shallow wave forming stage and the corrugation is gradually deepened through three passes,
The dense wave forming mechanism 10 comprises a fixing plate 17, the surface of the fixing plate 17 is rotationally connected with a rotating disc 18 through a bearing, the surface of the rotating disc 18 is rotationally connected with three rolling dies 21 distributed in a circumferential array through the bearing, a driving mechanism for driving the three rolling dies 21 to synchronously rotate is arranged on the rotating disc 18, the rotating disc 18 is connected with a second motor 19 through a second belt transmission assembly 20, the second motor 19 is arranged on the workbench 1, through holes for penetrating through the tube blank are formed in the surface of the fixing plate 17 and the middle part of the rotating disc 18, the rotating disc 18 drives the three rolling dies 21 to circumferentially move around the tube blank by starting the second motor 19, the whole tube blank revolves around the tube blank, the driving mechanism comprises a micro motor 23, a groove body for installing the micro motor 23 is formed in the surface of the rotating disc 18, and the three rolling dies 21 are connected with the micro motor 23 through a third belt transmission assembly 22, and the central point between the three rolling dies 21 and the central point of the turntable 18 are positioned on the same straight line, the three rolling dies 21 synchronously rotate by starting the micro motor 23, so that the rolling dies 21 spirally extrude the surface of the tube blank, the surface of the rolling dies 21 is provided with spiral teeth, the spiral teeth are in clockwise and clockwise follow-up spinning, after the corrugation is gradually deepened through three passes, finally, the thread pitch of the corrugation is encrypted to the design size in the dense wave forming stage, the outer diameter of the thread of the spiral teeth is 50mm, the thread pitch is 4.5mm, and the thread pitch is gradually reduced to 1.95 mm.
The invention also relates to a forming method of the metal hose, which comprises the following steps:
firstly, a stainless steel band enters a rounding mechanism 3 for rounding, a spinning forming device is introduced after rounding is finished through a steel tube rounding mechanism 5, lubricating oil is dripped into a pipe blank through a lubricating mechanism 6 after the rounding mechanism 5, a seamless steel tube is formed into a corrugated tube with deep waves after three times of spinning, then the corrugated tube enters a dense wave forming mechanism 10 for rolling, the deep wave corrugated tube is rolled into a dense wave corrugated tube, oil stain cleaning is performed on the formed corrugated tube, and the metal tube is coiled into a coil through a finished product coiling mechanism 12 after forming.
The working principle of the invention is as follows:
when in use, firstly, the stainless steel band enters the rounding mechanism 3 for rounding, is rounded through the steel tube rounding mechanism 5 and then is introduced into the spinning forming device, after three times of spinning, the seamless steel tube is formed into a corrugated tube with deep waves, then enters the dense wave forming mechanism 10 for rolling, the deep wave corrugated tube is rolled into a dense wave corrugated tube, finally, the formed corrugated tube is cleaned with oil stain, and the finished product is coiled, the spinning forming is that a spiral mould is utilized to apply radial pressure on the tube wall, continuous plastic deformation is generated on the local part of the tube wall so as to form a plastic forming mode with required shape and size, the spinning mould rotates around the tube blank, the spinning mould 14 rotates around the tube blank to press corrugations, the axes of the three rolling moulds 21 and the axis of the corrugated tube are parallel and are uniformly distributed around the axis of the corrugated tube according to 120 degrees, thus being beneficial to the biting of the corrugated tube, in order to lighten the twisting degree of the corrugated tube bus, three rolling dies 21 are arranged on the turntable 18, compared with the traditional combined internal rotation pressing mode, the three-roller forming process can effectively reduce the relative slippage between the dies and the pipe body and reduce the damage of the pipe body, in the three-roller forming process, the corrugated pipe is subjected to three times of processing by the rolling dies 21 every rotation, so the corrugated pipe obtains a large deformation amount, and because the external spiral teeth have higher processing precision, the high-flexibility corrugated pipe with smaller wave generating distance and more precision can be formed. The limiting value of the diameter of the rolling die is 6 times that of a tube blank, but the production efficiency is mainly limited by the rolling die in actual production, the larger the diameter of the rolling die is, the better the forming quality is, but the lower the forming efficiency is, the reduction of the rolling diameter can improve the production efficiency but affects the quality of a formed corrugated tube, the abrasion of the corrugated tube also mainly occurs in three-roller rolling, the reduction of the diameter of the rolling die is usually adopted to improve the production efficiency in actual production, and then the heat treatment mode of the formed corrugated tube is adopted to improve the quality of the corrugated tube, so that the diameter of the rolling die is reduced as much as possible within the allowable range of the quality, and the number of spiral turns is reduced at the same time.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (10)
1. A metal hose forming device and a forming method thereof comprise a workbench (1), a rolling mechanism (3), a steel pipe rounding mechanism (5), a lubricating mechanism (6), a first shallow wave forming mechanism (7), a second shallow wave forming mechanism (8), a third shallow wave forming mechanism (9), a dense wave forming mechanism (10) and a high-pressure cleaning mechanism (11) which are sequentially arranged on the workbench (1) from left to right, wherein one side of the left end and the right end of the workbench (1) is respectively provided with a steel belt roll (2) and a finished product rolling mechanism (12), and the metal hose forming device is characterized in that the first shallow wave forming mechanism (7), the second shallow wave forming mechanism (8) and the third shallow wave forming mechanism (9) have the same structure, and the first shallow wave forming mechanism (7), the second shallow wave forming mechanism (8) and the third shallow wave forming mechanism (9) adopt an inner spinning left-spinning die for forming, the screw pitches of the first shallow wave forming mechanism (7), the second shallow wave forming mechanism (8) and the third shallow wave forming mechanism (9) are sequentially reduced;
Dense ripples forming mechanism (10) are including fixed plate (17), the surface of fixed plate (17) is rotated through the bearing and is connected with carousel (18), the surface of carousel (18) is rotated through the bearing and is connected with three roll-in moulds (21) that are circumference array distribution, just be provided with the actuating mechanism who is used for driving three roll-in moulds (21) rotation in step on carousel (18).
2. The metal hose forming device according to claim 1, wherein the first shallow wave forming mechanism (7) comprises two sleeves (13), a spinning die (14) is rotatably connected between the two sleeves (13) through a bearing, the spinning die (14) and the sleeves (13) are eccentrically distributed, a first motor (16) is connected to the spinning die (14) through a first belt transmission assembly (15), and the first motor (16) is mounted on the workbench (1).
3. The metal hose forming device according to claim 2, wherein the spinning die (14) is a hollow structure with two open ends, the inner wall of the bottom of the spinning die (14) is in contact with the side wall of the bottom of the tube blank, and the inner wall of the spinning die (14) is provided with screw threads.
4. The metal hose forming apparatus as claimed in claim 1, wherein the inner diameter of the spinning die (14) of the first shallow wave forming means (7) is 18mm, the pitch of the metal hose is 5.2mm, and the lead angle of the spinning die is 5.25 °, the inner diameter of the die thread of the spinning die (14) of the second shallow wave forming means (8) is 18mm, the pitch of the metal hose is 4.8mm, and the lead angle of the metal hose is 4.85 °, the inner diameter of the spinning die (14) of the third shallow wave forming means (9) is 18mm, the pitch of the metal hose is 4.5mm, and the lead angle of the thread of each spinning die (14) is equal to the lead angle of the axis thereof.
5. The metal hose forming device according to claim 1, wherein the rotary table (18) is connected with a second motor (19) through a second belt transmission assembly (20), the second motor (19) is installed on the workbench (1), and through holes for penetrating through the hose blank are formed in the surface of the fixing plate (17) and the middle part of the rotary table (18).
6. The metal hose forming device according to claim 1, wherein the driving mechanism comprises a micro motor (23), a groove for installing the micro motor (23) is formed in the surface of the rotating disc (18), the three rolling dies (21) are connected with the micro motor (23) through a third belt transmission assembly (22), and the central points between the three rolling dies (21) and the central point of the rotating disc (18) are located on the same straight line.
7. The metal hose forming device according to claim 1, wherein the surface of the rolling die (21) is provided with spiral teeth and the spiral teeth are formed by right-handed and clockwise follow-up spinning.
8. The apparatus as claimed in claim 7, wherein the helical teeth have an outer diameter of 50mm, a pitch of 4.5mm, and a gradual reduction of the pitch to 1.95 mm.
9. The metal hose forming device according to claim 1, wherein the rolling mechanism (3) is used for rolling the steel strip, the steel tube rounding mechanism (5) is used for adjusting the rounding degree of the steel tube body on line in real time, the lubricating mechanism (6) is used for dripping lubricating oil to the steel tube, and the high-pressure cleaning mechanism (11) is used for performing oil stain cleaning on the metal hose.
10. A forming method of a metal hose is characterized by comprising the following steps:
the method comprises the steps that firstly, a stainless steel belt enters a rounding mechanism (3) for rounding, a spinning forming device is introduced after rounding is conducted through a steel pipe rounding mechanism (5), lubricating oil is dripped into a pipe blank through a lubricating mechanism (6) after the stainless steel belt passes through the rounding mechanism (5), a seamless steel pipe is formed into a corrugated pipe with deep waves after three times of spinning, then the corrugated pipe enters a dense wave forming mechanism (10) for rolling, the deep wave corrugated pipe is rolled into the dense wave corrugated pipe, finally, oil stain cleaning is conducted on the formed corrugated pipe, and after forming, a finished product coiling mechanism (12) is used for coiling the metal pipe into a coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210512205.2A CN114749555A (en) | 2022-05-11 | 2022-05-11 | Metal hose forming device and forming method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210512205.2A CN114749555A (en) | 2022-05-11 | 2022-05-11 | Metal hose forming device and forming method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN114749555A true CN114749555A (en) | 2022-07-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210512205.2A Pending CN114749555A (en) | 2022-05-11 | 2022-05-11 | Metal hose forming device and forming method thereof |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1146200A (en) * | 1967-10-31 | 1969-03-19 | Calumet & Hecla | Corrugating of metal hose |
| GB1219492A (en) * | 1968-01-09 | 1971-01-13 | Pirelli General Cable Works | Improvements in or relating to corrugating methods and apparatus |
| US3692889A (en) * | 1970-03-17 | 1972-09-19 | Raybestos Manhattan Inc | Method and apparatus for forming corrugated plastic tubing |
| CN85103995A (en) * | 1984-10-05 | 1986-03-10 | 电缆金属电气有限公司 | The ripple forming method of metal tube and equipment and the power cable of making according to the method |
| CN1306890A (en) * | 2000-01-28 | 2001-08-08 | 阿尔卡塔尔公司 | Method for continuous manufacturing longitudinal seam welding wave-form metal pipe |
| JP2012135790A (en) * | 2010-12-27 | 2012-07-19 | Saikawa:Kk | Spirally corrugating device |
| CN113319149A (en) * | 2021-08-03 | 2021-08-31 | 天津市大千管业有限公司 | Integrated forming equipment and method for producing annular metal corrugated pipe |
-
2022
- 2022-05-11 CN CN202210512205.2A patent/CN114749555A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1146200A (en) * | 1967-10-31 | 1969-03-19 | Calumet & Hecla | Corrugating of metal hose |
| GB1219492A (en) * | 1968-01-09 | 1971-01-13 | Pirelli General Cable Works | Improvements in or relating to corrugating methods and apparatus |
| US3692889A (en) * | 1970-03-17 | 1972-09-19 | Raybestos Manhattan Inc | Method and apparatus for forming corrugated plastic tubing |
| CN85103995A (en) * | 1984-10-05 | 1986-03-10 | 电缆金属电气有限公司 | The ripple forming method of metal tube and equipment and the power cable of making according to the method |
| CN1306890A (en) * | 2000-01-28 | 2001-08-08 | 阿尔卡塔尔公司 | Method for continuous manufacturing longitudinal seam welding wave-form metal pipe |
| JP2012135790A (en) * | 2010-12-27 | 2012-07-19 | Saikawa:Kk | Spirally corrugating device |
| CN113319149A (en) * | 2021-08-03 | 2021-08-31 | 天津市大千管业有限公司 | Integrated forming equipment and method for producing annular metal corrugated pipe |
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