CN116855719B - Annealing heat treatment production line for long-size metal coil - Google Patents
Annealing heat treatment production line for long-size metal coil Download PDFInfo
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- CN116855719B CN116855719B CN202311099092.9A CN202311099092A CN116855719B CN 116855719 B CN116855719 B CN 116855719B CN 202311099092 A CN202311099092 A CN 202311099092A CN 116855719 B CN116855719 B CN 116855719B
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- straightening
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- 238000000137 annealing Methods 0.000 title claims abstract description 31
- 238000010438 heat treatment Methods 0.000 title claims abstract description 27
- 239000002184 metal Substances 0.000 title claims abstract description 22
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 12
- 238000005498 polishing Methods 0.000 claims abstract description 53
- 238000007599 discharging Methods 0.000 claims abstract description 27
- 238000001816 cooling Methods 0.000 claims abstract description 12
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 238000002788 crimping Methods 0.000 claims abstract description 9
- 239000001257 hydrogen Substances 0.000 claims abstract description 9
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 6
- 238000005520 cutting process Methods 0.000 claims abstract description 5
- 230000005540 biological transmission Effects 0.000 claims description 47
- 230000007704 transition Effects 0.000 claims description 45
- 238000003756 stirring Methods 0.000 claims description 27
- 239000003638 chemical reducing agent Substances 0.000 claims description 5
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 230000001360 synchronised effect Effects 0.000 claims 1
- 238000004513 sizing Methods 0.000 abstract description 6
- 239000000463 material Substances 0.000 description 12
- 230000007246 mechanism Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000007847 structural defect Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/08—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes
-
- 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
- B21D3/00—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts
- B21D3/02—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts by rollers
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/26—Methods of annealing
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Wire Processing (AREA)
- Straightening Metal Sheet-Like Bodies (AREA)
Abstract
The invention belongs to the technical field of long-size metal coil production, and particularly relates to a long-size metal coil annealing heat treatment production line, wherein a vertical straightener is used for straightening coils in the up-down direction, a horizontal straightener is used for straightening coils in the front-back direction, a front feeder and a rear feeder are used for feeding coils, a hydrogen annealing furnace is used for heat treatment of the coils, a water cooling device is used for cooling a heat-treated tube blank, a sizing flying saw device is used for sizing and cutting the coils, a discharging device is used for collecting the cut tube blank, a polishing device is used for polishing the surface of the whole tube blank when the tube blank is not cut, and a horizontal crimper is used for crimping and collecting the polished whole tube blank when the tube blank is not cut.
Description
Technical Field
The invention belongs to the technical field of long-size metal coil production, and particularly relates to an annealing heat treatment production line for a long-size metal coil.
Background
Coil annealing is a metal heat treatment process, and mainly aims to eliminate the structural defect of a metal tube blank, improve the structure, homogenize components and refine grains, improve the mechanical property of metal and reduce residual stress; meanwhile, the hardness can be reduced, the plasticity and toughness can be improved, and the cutting processability can be improved. The coil pipe has higher stress after cold coiling, which is unfavorable for service life and safety. However, most annealing furnaces used at present are designed for common straight tube annealing, and annealing heat treatment for a long coil is difficult to realize; in addition, metal oxidation behavior is very easy to occur in the general annealing heat treatment process, and certain influence is caused on the metal performance; the annealing furnaces used at present generally have higher energy consumption, and although natural gas annealing furnaces are proposed at present, the tube blanks cannot realize on-line continuous annealing due to the characteristic of periodic operation.
Disclosure of Invention
The invention provides an annealing heat treatment production line for a long-sized metal coil.
The invention adopts the following technical scheme to achieve the aim:
the utility model provides a long size metal coil annealing heat treatment production line, includes vertical straightener, horizontal straightener, preceding feeder, hydrogen annealing stove, water-cooling plant, scale flying saw device, back feeder, discharging device, burnishing device and horizontal crimping machine that set gradually, vertical straightener is used for realizing the straightening to coil up-and-down direction, horizontal straightener is used for realizing the straightening to coil fore-and-aft direction, preceding feeder and back feeder are used for advancing the coil, hydrogen annealing stove is used for carrying out heat treatment to the coil, water-cooling plant is used for cooling down to the pipe after the heat treatment, scale flying saw device is used for carrying out the sizing cutting to the coil, discharging device is used for collecting the pipe that cuts, burnishing device is used for carrying out surface finish to whole section pipe when pipe does not cut, horizontal crimping machine is used for carrying out the curling collection to whole section pipe after polishing when pipe does not cut.
Further, the vertical straightener comprises a vertical box body, an upper straightening motor and a lower straightening motor are respectively arranged at the upper part and the lower part of the inlet side of the vertical box body, an upper encoder is arranged on the output shaft of the upper straightening motor and is used for feeding back the detected rotating speed of the upper straightening motor to a control system so as to control the rotating speed of the upper straightening motor, the output shaft of the upper straightening motor is connected with an upper driving shaft in a belt transmission mode, the upper driving shaft is rotatably arranged on an upper bearing seat fixedly connected with the vertical box body, an upper driving gear is also connected on the upper driving shaft in a key way, an upper large gear and an upper intermediate gear are respectively meshed and connected at the left side and the right side of the upper driving gear, the upper intermediate gear is connected on an upper intermediate shaft in a key way, an upper transition gear is meshed at the other side of the upper intermediate gear, the upper transition gear is connected on the upper transition shaft in a key way, the modulus of the upper transition gear is the same as that of the upper driving gear, the other side of the upper transition gear is connected with another upper big gear in a meshed way, the upper big gear is rotatably arranged on an upper transmission shaft, the upper big gear is integrally connected with an upper transmission gear, the left side and the right side of the upper transmission gear are both in a meshed way and are connected with an upper output gear, the upper output gear is connected on an upper output shaft in a key way, one end of the upper output shaft penetrates through the wall of the vertical box body and is provided with an upper straightening roller, the upper output shaft is rotatably arranged on an upper swing arm, the upper swing arm is rotatably arranged on the upper transmission shaft, a first arc-shaped groove for swinging the upper output shaft is arranged on the wall of the vertical box body, an upper adjusting spring is connected between the two upper swing arms on the left side and the two upper swing arms on the right side, four upper screw rod seats are fixedly arranged on the top wall of the vertical box body, upper adjusting screw rods are connected with the upper screw rod seats in a threaded manner, the lower ends of the four upper adjusting screw rods are respectively in contact with the four upper swing arms, the positions of the upper straightening rollers are adjusted by matching the upper adjusting screw rods with upper adjusting springs, the upper driving shaft, the upper intermediate shaft and the upper transition shaft are all in rotary connection with the vertical box body, and the upper driving shaft is fixedly connected with the vertical box body; the output shaft of the lower straightening motor is provided with a lower encoder, the lower encoder is used for feeding back the detected rotating speed of the lower straightening motor to a control system so as to control the rotating speed of the lower straightening motor, the output shaft of the lower straightening motor is connected with a lower driving shaft in a belt transmission mode, the lower driving shaft is rotationally connected with a lower bearing seat, the lower bearing seat is fixedly connected with a lower roller seat, the lower driving shaft is also connected with a lower driving wheel in a key manner, the lower driving wheel is in meshed connection with a lower large gear, the lower large gear is rotationally arranged on a lower transmission shaft, the lower large gear is integrally connected with a lower transmission gear, two sides of the lower transmission gear are in meshed connection with lower output gears, the other side of one lower output gear is in meshed connection with a lower transition gear, the lower transition gear is rotationally arranged on a lower transition shaft, the modulus of the lower transition gear is the same as that of the lower transmission gear, the other side of the lower transition gear is connected with another lower output gear in a meshed manner, the three lower output gears are fixedly arranged on different lower output shafts, one end of each lower output shaft penetrates through the wall of the vertical box body to fixedly arrange a lower straightening roller, the upper straightening roller is matched with the lower straightening roller to straighten a tube blank in the vertical direction, the lower transmission shaft and the lower transition shaft are fixedly connected to a lower roller seat, the three lower output shafts are rotatably arranged on the lower roller seat, the lower roller seat is slidably connected with two lower guide shafts, the lower guide shafts are fixedly arranged in the vertical box body, the bottom of the vertical box body is fixedly provided with a lower screw seat, the lower screw seat is internally connected with a lower adjusting screw in a threaded manner, the upper end of each lower adjusting screw is rotatably connected with the lower roller seat, the vertical type vertical box is used for driving the lower roller seat to adjust the position, and a vertical groove for the lower output shaft to move up and down is formed in the box wall of the vertical type box.
Still further, the horizontal straightener comprises a horizontal box body, a rear roller seat is arranged at the rear part in the horizontal box body, the rear roller seat is in sliding connection with a rear guide shaft, the rear guide shaft is fixedly connected with the horizontal box body, a rear adjusting screw rod is rotatably connected to the rear roller seat, the rear end of the rear adjusting screw rod is in threaded connection with the rear screw rod seat, the rear screw rod seat is fixedly connected to the rear part of the horizontal box body, four rear output shafts are uniformly distributed and rotatably arranged on the rear roller seat, the upper ends of the four rear output shafts penetrate through the horizontal box body and are fixedly connected with rear straightening rollers, a transverse groove for the rear output shafts to move is formed in the horizontal box body, the other end of the rear output shaft is fixedly connected with a rear output gear, an adjacent rear output gear is in meshed connection with a rear transition gear, the rear transition gear is rotatably arranged on the rear transition shaft, one rear transition gear is integrally connected with a rear driving gear, the rear driving gear is in meshed connection with a rear straightening motor, the rear driving gear is uniformly distributed and rotatably connected to the rear straightening motor, the rear straightening motor is fixedly connected to the rear straightening motor, the rear straightening motor is arranged on the rear straightening motor, the rear end of the straightening motor is fixedly connected to the rear straightening motor, the rear straightening motor is arranged on the rear end seat, the rear straightening motor is conveniently, and the rear straightening motor is conveniently connected to the rear straightening motor through the rear straightening motor, and the rear straightening motor is conveniently and the straightening motor. Five second arc grooves are uniformly formed in the front portion of the horizontal box body, a front output shaft is slidably arranged in the second arc grooves, one end of the front output shaft penetrates through the horizontal box body to be connected with a front straightening roller, the front straightening roller is matched with the rear straightening roller to straighten a tube blank in the front-rear direction, the front output shaft is rotatably mounted on a front swing arm which is rotatably mounted on a front transmission shaft, the front transmission shaft is fixedly mounted on the horizontal box body, a front straightening motor is mounted at the front portion of the inlet side of the horizontal box body, a front encoder is mounted on an output shaft of the front straightening motor and is used for feeding the detected rotation speed of the front straightening motor back to a control system so as to control the rotation speed of the front straightening motor, the output shaft of preceding straightening motor passes through the belt drive's mode and is connected with preceding driving shaft, preceding driving shaft rotates and installs on preceding socket, preceding socket fixed mounting is on horizontal box, preceding driving shaft passes through gear drive's mode and drives five preceding output shafts and rotate in step, is provided with preceding adjusting spring between four preceding swing arms of pairwise opposite setting, is connected with tensioning spring at the front end of the preceding swing arm that sets up alone, tensioning spring's front end and horizontal box's front wall are connected the place ahead of preceding swing arm all contacts and is provided with preceding adjusting screw, preceding adjusting screw's front portion passes horizontal box and preceding screw seat threaded connection, preceding screw seat is fixed to be set up on horizontal box.
Still further, vertical straightener and horizontal straightener all include straining device, straining device includes the take-up shaft, take-up shaft is fixed to be set up on vertical box or horizontal box, articulates on the take-up shaft has two opening V type tensioning bars opposite in orientation the one end rotation of V type tensioning bar is connected with the take-up pulley, the take-up pulley contacts with adjacent belt to realize the tensioning to the belt, two the other end joint of V type tensioning bar is provided with tensioning spring, in order to realize straining device's automatically regulated.
Still further, preceding feeder and back feeder structure are the same, preceding feeder includes the feeding base the bottom of feeding base is installed the governing cylinder, the axis of governing cylinder is located same vertical plane with the central line of feeding base the fixedly connected with joint on the piston rod of governing cylinder articulated with the round pin axle on the round pin axle articulated with two swing links the other end of swing link rotates and installs the feeding output shaft, two the feeding output shaft sets up with the central line symmetry of feeding base the feeding driven gear is installed in the rotation on the feeding output shaft the upper end key of feeding driven gear is connected with the feed roller, carries through the clamp of two feed rollers and realizes the feeding of tube blank, the feeding output shaft still rotates with the one end of feeding swing arm and is connected, the meshing of feeding driven gear is connected with the feeding driving gear, two feeding driving gear intermeshing, feeding driving gear installs on the feeding input shaft, feeding input shaft rotates the other end of installing at the feeding base, the other end and feeding base rotate to be connected, one of them feeding output shaft's lower extreme and feeding output shaft are connected with the swing arm, feeding reduction gear and feeding swing arm are installed on the feeding input shaft, feeding reduction gear is connected with the feeding base.
Still further, discharging device includes the ejection of compact frame the entry side of ejection of compact frame is provided with the toper guide the upper surface of ejection of compact frame evenly is provided with a plurality of ejection of compact rollers, is provided with between adjacent ejection of compact roller and dials the material seat it is provided with the material axle to dial to rotate on the material seat dial the epaxial fixed setting of material board to dial is provided with ejection of compact inclined plane on the material board, in the next-door neighbour toper guide the one end fixedly connected with V type connecting rod of material axle, the middle part and the material axle fixed connection of dialling of V type connecting rod, the one end and the horizontal connecting rod of V type connecting rod are articulated, the other end and the piston rod of dialling the material cylinder are articulated, the cylinder body of dialling the material cylinder articulates on the ejection of compact frame, all fixedly connected with material connecting rod on other ends and horizontal connecting rod of dialling the material epaxial one side of ejection of compact frame just the height of collecting vat is less than the height of ejection of compact frame be provided with down the material pole between collecting vat and the ejection of compact frame.
Still further, polishing device includes the polishing seat the upper surface of polishing seat is provided with two sets of follower rollers for the advancing of support tube blank still be provided with the polishing frame on the polishing seat be provided with two band pulley seats in the polishing frame, the band pulley seat is connected with the polishing frame through flexible cylinder install the polishing band pulley on the band pulley seat, install the polishing area that is used for polishing tube blank jointly on two polishing band pulleys, install the polishing motor at the upper surface of one of them band pulley seat, the polishing motor drives the polishing band pulley through belt drive's mode and rotates.
Compared with the prior art, the invention has the following advantages:
the invention provides a long-size metal coil annealing heat treatment production line which has a simple structure and high automation degree, can realize continuous on-line annealing heat treatment of coils, can effectively reduce energy consumption in the heat treatment process by adopting a hydrogen annealing heat treatment mode, and can effectively prevent metal oxidation in the heat treatment process;
according to the invention, the fixed-length flying saw device and the horizontal crimping machine are arranged in the production line at the same time, and the coiled pipe after heat treatment can be selected to be sawed and output into straight pipes with different specifications through the fixed-length flying saw device or be coiled into a disc through the horizontal crimping machine according to the requirements;
the invention straightens the coiled tube blank through the vertical straightener and the horizontal straightener, and provides advancing power for the tube blank through the front feeder and the rear feeder, so that the tube blank is annealed by the hydrogen annealing furnace and cooled by the water cooling device in sequence, thereby realizing continuous annealing of the tube blank.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a sectional view of the vertical straightener of the present invention;
FIG. 3 is a cross-sectional view of the section C-C of FIG. 2 in accordance with the present invention;
FIG. 4 is a cross-sectional view of the section D-D of FIG. 2 in accordance with the present invention;
FIG. 5 is a front view of the vertical housing of the present invention;
FIG. 6 is a top view of the vertical straightener of the present invention;
FIG. 7 is a sectional view of the horizontal straightener of the present invention;
FIG. 8 is a cross-sectional view of section B-B of FIG. 7 in accordance with the present invention;
FIG. 9 is a cross-sectional view of the section C-C of FIG. 7 in accordance with the present invention;
FIG. 10 is a top view of the horizontal housing of the present invention;
FIG. 11 is a front view of the horizontal straightener of the present invention;
FIG. 12 is a schematic view of the installation of the tensioning mechanism of the present invention;
FIG. 13 is a top view of the front feeder of the present invention;
FIG. 14 is a cross-sectional view taken along section A-A of FIG. 13 in accordance with the present invention;
FIG. 15 is a cross-sectional view of the section C-C of FIG. 13 in accordance with the present invention;
FIG. 16 is a cross-sectional view of the discharge device of the present invention;
FIG. 17 is a front view of the discharge device of the present invention;
FIG. 18 is a top view of the discharge device of the present invention;
FIG. 19 is a schematic diagram of the connection of the kick-out cylinder and the V-shaped link of the present invention;
FIG. 20 is an enlarged view of a portion of circle C of FIG. 18 in accordance with the present invention;
FIG. 21 is a cross-sectional view of a polishing apparatus of the present invention;
fig. 22 is a top view of the polishing apparatus of the present invention.
Detailed Description
In order to further illustrate the technical scheme of the invention, the invention is further illustrated by the following examples.
As shown in fig. 1 to 22, a long-size metal coil annealing heat treatment production line comprises a vertical straightener 1, a horizontal straightener 2, a front feeder 3, a hydrogen annealing furnace 4, a water cooling device 5, a sizing flying saw device 6, a rear feeder 7, a discharging device 8, a polishing device 9 and a horizontal crimping machine 10 which are sequentially arranged, wherein the vertical straightener 1 is used for straightening the vertical direction of a pipe blank, the horizontal straightener 2 is used for straightening the front and rear direction of the pipe blank, the front feeder 3 and the rear feeder 7 are used for feeding the pipe blank, the hydrogen annealing furnace 4 is used for heat treatment of the pipe blank, the water cooling device 5 is used for cooling the heat treated pipe blank, the sizing flying saw device 6 is used for sizing cutting the pipe blank, the discharging device 8 is used for collecting the cut pipe blank, the polishing device 9 is used for polishing the surface of the whole pipe blank when the pipe blank is not cut, and the horizontal crimping machine 10 is used for collecting the polished whole pipe blank when the pipe blank is not cut;
The vertical straightener 1 comprises a vertical box 101, an upper straightening motor 102 and a lower straightening motor 103 are respectively arranged at the upper part and the lower part of the inlet side of the vertical box 101, an upper encoder 104 is arranged on the output shaft of the upper straightening motor 102, the upper encoder 104 is used for feeding back the detected rotating speed of the upper straightening motor 102 to a control system so as to control the rotating speed of the upper straightening motor 102, the output shaft of the upper straightening motor 102 is connected with an upper driving shaft 105 in a belt transmission manner, the upper driving shaft 105 is rotatably arranged on an upper bearing seat 139 fixedly connected with the vertical box 101, an upper driving gear 106 is also connected on the upper driving shaft 105 in a key way, an upper large gear 107 and an upper intermediate gear 108 are respectively meshed and connected at the left side and the right side of the upper driving gear 106, the upper intermediate gear 108 is connected on the upper intermediate shaft 109 in a key way, an upper transition gear 110 is meshed with the other side of the upper intermediate gear 108, the upper transition gear 110 is connected with an upper transition shaft 111 in a key way, the modulus of the upper transition gear 110 is the same as that of an upper driving gear 106, the other side of the upper transition gear 110 is connected with another upper big gear 107 in a meshed way, the upper big gear 107 is rotatably arranged on an upper transmission shaft 112, the upper big gear 107 is integrally connected with an upper transmission gear 113, the left side and the right side of the upper transmission gear 113 are respectively connected with an upper output gear 114 in a meshed way, the upper output gear 114 is connected with an upper output shaft 115 in a key way, one end of the upper output shaft 115 penetrates through the wall of the vertical box body 101 to be provided with an upper straightening roller 116, the upper output shaft 115 is rotatably arranged on an upper swing arm 117, the upper swing arm 117 is rotatably arranged on the upper transmission shaft 112, the wall of the vertical box body 101 is provided with a first arc groove 118 for swinging the upper output shaft 115, an upper adjusting spring 119 is connected between the two upper swing arms 117 on the left side and the two upper swing arms 117 on the right side, four upper screw bases 120 are fixedly arranged on the top wall of the vertical box body 101, upper adjusting screws 121 are connected in the upper screw bases 120 in a threaded manner, the lower ends of the four upper adjusting screws 121 are respectively contacted with the four upper swing arms 117, the position of an upper straightening roller 116 is adjusted by matching the upper adjusting screws 121 with the upper adjusting springs 119, and the upper driving shaft 105, the upper middle shaft 109 and the upper transition shaft 111 are all in rotary connection with the vertical box body 101, and the upper driving shaft 112 is fixedly connected with the vertical box body 101; a lower encoder 122 is arranged on the output shaft of the lower straightening motor 103, the lower encoder 122 is used for feeding back the detected rotating speed of the lower straightening motor 103 to a control system so as to control the rotating speed of the lower straightening motor 103, the output shaft of the lower straightening motor 103 is connected with a lower driving shaft 123 in a belt transmission mode, the lower driving shaft 123 is rotationally connected on a lower bearing seat 124, the lower bearing seat 124 is fixedly connected with a lower roller seat 125, a lower driving wheel 126 is also connected on the lower driving shaft 123 in a key manner, the lower driving wheel 126 is in meshed connection with a lower large gear 127, the lower large gear 127 is rotationally arranged on a lower transmission shaft 128, the lower large gear 127 is integrally connected with a lower transmission gear 129, both sides of the lower transmission gear 129 are in meshed connection with a lower output gear 130, the other side of one lower output gear 130 is in meshed connection with a lower transition gear 131, the lower transition gear 131 is rotatably mounted on a lower transition shaft 132, the modulus of the lower transition gear 131 is the same as that of a lower transmission gear 129, another lower output gear 130 is connected to the other side of the lower transition gear 131 in a meshed manner, the three lower output gears 130 are fixedly mounted on different lower output shafts 133, one end of each lower output shaft 133 penetrates through the wall of the vertical box 101 to fixedly mount a lower straightening roller 134, the upper straightening roller 116 is matched with the lower straightening roller 134 to straighten a tube blank in the vertical direction, the lower transmission shaft 128 and the lower transition shaft 132 are fixedly connected to a lower roller seat 125, the three lower output shafts 133 are rotatably mounted on the lower roller seat 125, the lower roller seat 125 is slidably connected with two lower guide shafts 135, the lower guide shafts 135 are fixedly arranged inside the vertical box 101, the bottom of the vertical box 101 is fixedly provided with a lower screw rod seat 136, the lower screw rod seat 136 is internally and threadedly connected with a lower adjusting screw rod 137, the upper end of the lower adjusting screw rod 137 is rotationally connected with the lower roller seat 125 and is used for driving the lower roller seat 125 to adjust the position, and a vertical groove 138 for the upper and lower movement of the lower output shaft 133 is arranged on the wall of the vertical box 101.
The horizontal straightener 2 comprises a horizontal box 201, a rear roller seat 202 is arranged at the rear part in the horizontal box 201, the rear roller seat 202 is in sliding connection with a rear guide shaft 203, the rear guide shaft 203 is fixedly connected with the horizontal box 201, a rear adjusting screw 204 is rotationally connected to the rear roller seat 202, the rear end of the rear adjusting screw 204 is in threaded connection with a rear screw seat 205, the rear screw seat 205 is fixedly connected to the rear part of the horizontal box 201, four rear output shafts 206 are uniformly distributed and rotationally arranged on the rear roller seat 202, the upper ends of the four rear output shafts 206 penetrate out of the horizontal box 201 and are fixedly connected with rear straightening rollers 207, a transverse groove 208 for the rear output shafts 206 to move is formed in the horizontal box 201, a rear output gear 209 is fixedly connected to the other end of the rear output shaft 206, a rear transition gear 210 is connected between the adjacent rear output gears 209 in a meshed manner, the rear transition gear 210 is rotatably mounted on a rear transition shaft 211, the rear transition shaft 211 is fixedly mounted on a rear roller seat 202, one rear transition gear 210 is integrally connected with a rear large gear 212, the rear large gear 212 is in meshed connection with a rear driving gear 213, the rear driving gear 213 is fixedly mounted on a rear driving shaft 214, the rear driving shaft 214 is rotatably mounted on a rear bearing seat 215, the rear bearing seat 215 is fixedly connected with the rear roller seat 202, the other end of the rear driving shaft 214 is connected with an output shaft of a rear straightening motor 216 in a belt transmission manner, the rear straightening motor 216 is mounted at the rear part of the inlet side of the horizontal box 201, a rear encoder 217 is further mounted on the output shaft of the rear straightening motor 216, the rear encoder 217 is used for feeding back the detected rotation speed of the rear straightening motor 216 to a control system, so as to control the rotational speed of post-straightening motor 216; five second arc grooves 218 are uniformly formed in the front portion of the horizontal box 201, a front output shaft 219 is slidably arranged in the second arc grooves 218, one end of the front output shaft 219 penetrates through the horizontal box 201 and is connected with a front straightening roller 220, the front straightening roller 220 is matched with a rear straightening roller 207 to straighten a tube blank in the front-rear direction, the front output shaft 219 is rotatably mounted on a front swing arm 221, the front swing arm 221 is rotatably mounted on a front transmission shaft 222, the front transmission shaft 222 is fixedly mounted on the horizontal box 201, a front straightening motor 223 is mounted on the front portion of the inlet side of the horizontal box 201, a front encoder 224 is mounted on the output shaft of the front straightening motor 223, the front encoder 224 is used for feeding back the detected rotation speed of the front straightening motor 223 to a control system so as to control the rotation speed of the front straightening motor 223, the output shaft of the front straightening motor 223 is connected with a front driving shaft 225 in a belt transmission mode, the front driving shaft 225 is rotatably mounted on a front bearing seat 226, the front bearing seat 226 is fixedly mounted on the horizontal box 201, the front swing arm 201 is fixedly mounted on the front swing arm 222, the front swing arm 225 is rotatably connected with a front guide screw rod 230 in a tensioning mode, and the front end of the front guide screw rod 230 is rotatably connected with the front swing shaft 228, and the front guide screw rod 201 is fixedly arranged on the front swing arm seat of the front swing arm 201, and the front guide screw rod is connected with the front swing shaft 228.
The vertical straightener 1 and the horizontal straightener 2 both comprise tensioning mechanisms, each tensioning mechanism comprises a tensioning shaft 140, the tensioning shafts 140 are fixedly arranged on the vertical box body 101 or the horizontal box body 201, two V-shaped tensioning rods 141 with opposite opening directions are hinged to the tensioning shafts 140, tensioning wheels 142 are rotatably connected to one ends of the V-shaped tensioning rods 141, the tensioning wheels 142 are in contact with adjacent belts to achieve tensioning of the belts, and tensioning springs 143 are connected to the other ends of the two V-shaped tensioning rods 141 together to achieve automatic adjustment of the tensioning mechanisms.
The front feeder 3 and the rear feeder 7 have the same structure, the front feeder 3 comprises a feeding base 301, an adjusting cylinder 313 is mounted at the bottom of the feeding base 301, the axis of the adjusting cylinder 313 and the central line of the feeding base 301 are located on the same vertical plane, a joint 312 is fixedly connected to a piston rod of the adjusting cylinder 313, a pin shaft 311 is hinged to the joint 312, two swinging connecting rods 310 are hinged to the pin shaft 311, a feeding output shaft 308 is rotatably mounted at the other end of the swinging connecting rods 310, the two feeding output shafts 308 are symmetrically arranged with respect to the central line of the feeding base 301, a feeding driven gear 307 is rotatably mounted on the feeding output shaft 308, a feeding roller 309 is connected to the upper end of the feeding driven gear 307 in a key manner, feeding of a tube blank is realized by clamping and feeding the two feeding rollers 309, the feeding output shaft 308 is also rotatably connected with one end of the feeding swing arm 305, a feeding driving gear 306 is connected to the feeding driven gear 307 in a meshed manner, the two feeding driving gears 306 are mounted on the feeding input shaft 304, a feeding output shaft 304 is rotatably mounted at the other end of the feeding output shaft 304, a speed reducer 305 is rotatably mounted on the feeding output shaft 302, and the feeding output shaft 303 is rotatably connected to the feeding output shaft 303 of the feeding base 301, and the feeding output shaft 303 is rotatably connected to the speed reducer 303.
The discharging device 8 comprises a discharging frame 801, a conical guide piece 802 is arranged on the inlet side of the discharging frame 801, a plurality of discharging rollers 803 are uniformly arranged on the upper surface of the discharging frame 801, a stirring seat 804 is arranged between adjacent discharging rollers 803, a stirring shaft 805 is rotatably arranged on the stirring seat 804, a stirring plate 806 is fixedly arranged on the stirring shaft 805, a discharging inclined plane 807 is arranged on the stirring plate 806, a V-shaped connecting rod 808 is fixedly connected to one end of the stirring shaft 805 close to the conical guide piece 802, the middle part of the V-shaped connecting rod 808 is fixedly connected with the stirring shaft 805, one end of the V-shaped connecting rod 808 is hinged with a horizontal connecting rod 809, the other end of the V-shaped connecting rod 808 is hinged with a piston rod of a stirring cylinder 810, a cylinder body of the stirring cylinder 810 is hinged on the discharging frame 801, stirring rods 811 are fixedly connected to the rest stirring shafts 805, the other end of the stirring rod 811 is hinged with the horizontal connecting rod 809, a collecting groove 812 is arranged on one side of the discharging frame 801, and the collecting groove is lower than the collecting groove 801, and the collecting groove is arranged between the collecting groove and the discharging frame 801.
The polishing device 9 comprises a polishing seat 901, two groups of follow-up rollers 902 are arranged on the upper surface of the polishing seat 901 and used for supporting feeding of a tube blank, a polishing frame 903 is further arranged on the polishing seat 901, two belt wheel seats 904 are arranged in the polishing frame 903, the belt wheel seats 904 are connected with the polishing frame 903 through telescopic cylinders 905, polishing belt wheels 906 are arranged on the belt wheel seats 904, polishing belts 907 used for polishing the tube blank are jointly arranged on the two polishing belt wheels 906, a polishing motor 908 is arranged on the upper surface of one belt wheel seat 904, and the polishing motor 908 drives the polishing belt wheels 906 to rotate in a belt transmission mode.
While the principal features and advantages of the present invention have been shown and described, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (6)
1. An annealing heat treatment production line for long-size metal coils, which is characterized in that: the device comprises a vertical straightener (1), a horizontal straightener (2), a front feeder (3), a hydrogen withdrawal furnace (4), a water cooling device (5), a fixed-length flying saw device (6), a rear feeder (7), a discharging device (8), a polishing device (9) and a horizontal crimping machine (10) which are sequentially arranged, wherein the vertical straightener (1) is used for straightening the vertical direction of a pipe blank, the horizontal straightener (2) is used for straightening the front and rear directions of the pipe blank, the front feeder (3) and the rear feeder (7) are used for feeding the pipe blank, the hydrogen withdrawal furnace (4) is used for carrying out heat treatment on the pipe blank, the water cooling device (5) is used for cooling the heat treated pipe blank, the fixed-length flying saw device (6) is used for carrying out fixed-length cutting on the pipe blank, the discharging device (8) is used for collecting the cut pipe blank, the polishing device (9) is used for polishing the surface of the whole pipe blank when the pipe blank is not cut, and the horizontal crimping machine (10) is used for collecting the polished whole crimped pipe blank when the whole pipe blank is not cut.
The front feeder (3) and the rear feeder (7) have the same structure, the front feeder (3) comprises a feeding base (301), an adjusting cylinder (313) is arranged at the bottom of the feeding base (301), the axis of the adjusting cylinder (313) is positioned on the same vertical plane with the center line of the feeding base (301), a joint (312) is fixedly connected to a piston rod of the adjusting cylinder (313), a pin shaft (311) is hinged to the joint (312), two swinging connecting rods (310) are hinged to the pin shaft (311), a feeding output shaft (308) is rotatably arranged at the other end of the swinging connecting rods (310), two feeding output shafts (308) are symmetrically arranged about the center line of the feeding base (301), a feeding driven gear (307) is rotatably arranged on the feeding output shaft (308), the upper end of the feeding driven gear (307) is connected with a feeding roller (309), feeding of a tube blank is realized through clamping and is rotatably connected with one end of a feeding swing arm (305), the feeding output shaft (308) is rotatably connected with one end of a feeding swing arm (305), the feeding driven gear (307) is rotatably meshed with the feeding output shaft (306), and the feeding output shaft (306) is meshed with the feeding output shaft (306), the feeding input shaft (304) is rotatably arranged at the other end of the feeding swing arm (305), the other end of the feeding swing arm (305) is rotatably connected with the feeding base (301), one of the feeding input shafts (304) is connected with the output shaft of the feeding speed reducer (303), the input shaft of the feeding speed reducer (303) is connected with the output shaft of the feeding motor (302), and the feeding motor (302) and the feeding speed reducer (303) are arranged on the feeding base (301).
2. The long metal coil annealing heat treatment line according to claim 1, wherein: the vertical straightening machine (1) comprises a vertical box body (101), an upper straightening motor (102) and a lower straightening motor (103) are respectively arranged at the upper part and the lower part of the inlet side of the vertical box body (101), an upper encoder (104) is arranged on the output shaft of the upper straightening motor (102), the upper encoder (104) is used for feeding back the detected rotating speed of the upper straightening motor (102) to a control system so as to control the rotating speed of the upper straightening motor (102), the output shaft of the upper straightening motor (102) is connected with an upper driving shaft (105) in a belt transmission mode, the upper driving shaft (105) is rotatably arranged on an upper bearing seat (139) fixedly connected with the vertical box body (101), an upper driving gear (106) is also connected on the upper driving shaft (105) in a key manner, an upper large gear (107) and an upper intermediate gear (108) are respectively connected on the left side and the right side of the upper driving gear (106) in a key manner, the upper intermediate gear (108) is connected on the upper intermediate shaft (108) in a key manner, the other side of the upper intermediate gear (108) is in a transition gear (110) is meshed with the upper transition gear (110), the upper driving gear (110) is meshed with the upper transition gear (110), the upper large gear (107) is rotatably mounted on an upper transmission shaft (112), the upper large gear (107) is integrally connected with an upper transmission gear (113), the left side and the right side of the upper transmission gear (113) are respectively connected with an upper output gear (114) in a meshed manner, the upper output gear (114) is connected on an upper output shaft (115) in a keyed manner, one end of the upper output shaft (115) penetrates through a box wall of a vertical box body (101) to be mounted with an upper straightening roller (116), the upper output shaft (115) is rotatably mounted on an upper swing arm (117), the upper swing arm (117) is rotatably mounted on the upper transmission shaft (112), a first arc-shaped groove (118) for swinging the upper output shaft (115) is formed in the box wall of the vertical box body (101), an upper adjusting spring (119) is respectively connected between the two upper swing arms (117) on the left side and the two upper swing arms (117) on the right side, four upper seats (120) are fixedly mounted on the top wall of the vertical box body (101), the upper screw seat (120) is connected with upper adjusting rollers (121) in an inner threaded manner, and the upper ends of the four upper swing arms (121) are in contact with the upper adjusting rollers (121) respectively The upper middle shaft (109) and the upper transition shaft (111) are both in rotary connection with the vertical box body (101), and the upper transmission shaft (112) is fixedly connected with the vertical box body (101); the lower encoder (122) is arranged on the output shaft of the lower straightening motor (103), the lower encoder (122) is used for feeding back the detected rotating speed of the lower straightening motor (103) to a control system so as to control the rotating speed of the lower straightening motor (103), the output shaft of the lower straightening motor (103) is connected with a lower driving shaft (123) in a belt transmission mode, the lower driving shaft (123) is rotatably connected on a lower bearing seat (124), the lower bearing seat (124) is fixedly connected with a lower roller seat (125), a lower driving gear (126) is also connected on the lower driving shaft (123) in a key way, the lower driving gear (126) is in meshed connection with a lower large gear (127), the lower large gear (127) is rotatably arranged on a lower transmission shaft (128), the lower large gear (127) is integrally connected with a lower transmission gear (129), two sides of the lower transmission gear (129) are both sides of the lower transmission gear (129) are in meshed connection with a lower output gear (130), the other side of one lower output gear (130) is in meshed connection with a lower transition gear (131), the lower transition gear (131) is rotatably connected with the other side of the lower transmission gear (131) in a meshed mode, three lower output gear (130) fixed mounting is on different lower output shaft (133), the one end of lower output shaft (133) passes vertical box (101)'s wall fixed mounting has lower straightening roller (134), go up straightening roller (116) and lower straightening roller (134) and cooperate, realize the straightening to the tube blank upper and lower direction, lower transmission shaft (128) and lower transition axle (132) are all fixed connection on lower roller seat (125), and three lower output shaft (133) rotate and install on lower roller seat (125), lower roller seat (125) and two lower guiding axle (135) sliding connection, lower guiding axle (135) are fixed to be set up inside vertical box (101) the bottom of vertical box (101) is fixed to be provided with lower lead screw seat (136) internal thread connection has lower adjusting lead screw (137), the upper end and lower roller seat (125) rotate and are connected for driving lower roller seat (125) and carry out the vertical output shaft (138) of position and supply vertical box (101) to move on vertical box (133).
3. A long length metal coil annealing heat treatment line according to claim 2, wherein: the horizontal straightening machine (2) comprises a horizontal box body (201), a rear roller seat (202) is arranged at the rear part in the horizontal box body (201), the rear roller seat (202) is in sliding connection with a rear guide shaft (203), the rear guide shaft (203) is fixedly connected with the horizontal box body (201), a rear adjusting screw (204) is rotationally connected to the rear roller seat (202), the rear end of the rear adjusting screw (204) is in threaded connection with a rear screw seat (205), the rear screw seat (205) is fixedly connected to the rear part of the horizontal box body (201), four rear output shafts (206) are uniformly distributed and rotationally arranged on the rear roller seat (202), the upper ends of the four rear output shafts (206) penetrate out of the horizontal box body (201) and are fixedly connected with rear straightening rollers (207), a transverse groove (208) for the rear output shafts (206) to move is formed in the horizontal box body (201), the other end of the rear roller seat (202) is fixedly connected with a rear output gear (209), the rear output gear (210) is in threaded connection with the rear end of the rear roller seat (204), the rear output gear (210) is in a transition mode, one of the rear output shafts (210) is in a transition mode, the transition gear (210) is meshed with the transition gear (210) and is fixedly arranged on the transition gear (211), the rear large gear (212) is in meshed connection with a rear driving gear (213), the rear driving gear (213) is fixedly arranged on a rear driving shaft (214), the rear driving shaft (214) is rotatably arranged on a rear bearing seat (215), the rear bearing seat (215) is fixedly connected with a rear roller seat (202), the other end of the rear driving shaft (214) is connected with an output shaft of a rear straightening motor (216) in a belt transmission mode, the rear straightening motor (216) is arranged at the rear part of the inlet side of the horizontal box body (201), a rear encoder (217) is further arranged on the output shaft of the rear straightening motor (216), and the rear encoder (217) is used for feeding back the detected rotation speed of the rear straightening motor (216) to a control system so as to control the rotation speed of the rear straightening motor (216); five second arc grooves (218) are uniformly formed in the front portion of the horizontal box body (201), a front output shaft (219) is arranged in the second arc grooves (218) in a sliding mode, one end of the front output shaft (219) penetrates through the horizontal box body (201) and is connected with a front straightening roller (220), the front straightening roller (220) is matched with a rear straightening roller (207) to straighten a tube blank in the front-rear direction, the front output shaft (219) is rotatably mounted on a front swing arm (221), the front swing arm (221) is rotatably mounted on a front transmission shaft (222), the front transmission shaft (222) is fixedly mounted on the horizontal box body (201), a front straightening motor (223) is mounted at the front portion of the inlet side of the horizontal box body (201), a front encoder (224) is mounted on the output shaft of the front straightening motor (223), the front encoder (224) is used for feeding back the detected front straightening motor (223) to a control system so as to control the rotation speed of the front straightening motor (223), the front output shaft (223) is rotatably mounted on a front driving shaft (225) through a front bearing seat (225), the front transmission shaft (226) is rotatably mounted on the front driving shaft (201) in a synchronous bearing seat (225), front adjusting springs (227) are arranged between four front swing arms (221) which are arranged in a pairwise opposite mode, tensioning springs (228) are connected to the front ends of the front swing arms (221) which are arranged independently, the front ends of the tensioning springs (228) are connected with the front wall of the horizontal box body (201), front adjusting screws (229) are arranged in contact with the front portions of the front swing arms (221), the front portions of the front adjusting screws (229) penetrate through the horizontal box body (201) and are in threaded connection with front screw rod bases (230), and the front screw rod bases (230) are fixedly arranged on the horizontal box body (201).
4. A long length metal coil annealing heat treatment line according to claim 3, wherein: vertical straightener (1) and horizontal straightener (2) all include straining device, straining device includes take-up shaft (140), take-up shaft (140) are fixed to be set up on vertical box (101) or horizontal box (201), articulate on take-up shaft (140) have two opening V type tensioning bars (141) opposite in orientation V type tensioning bar (141) one end rotation of V type tensioning bar (141) is connected with take-up pulley (142), take-up pulley (142) and adjacent belt contact to realize the tensioning to the belt, at two the other end joint of V type tensioning bar (141) is provided with tensioning spring (143) in order to realize straining device's automatically regulated.
5. The long metal coil annealing heat treatment line according to claim 1, wherein: the discharging device (8) comprises a discharging frame (801), a conical guide piece (802) is arranged on the inlet side of the discharging frame (801), a plurality of discharging rollers (803) are uniformly arranged on the upper surface of the discharging frame (801), a stirring seat (804) is arranged between the adjacent discharging rollers (803), a stirring shaft (805) is rotatably arranged on the stirring seat (804), a stirring plate (806) is fixedly arranged on the stirring shaft (805), a discharging inclined plane (807) is arranged on the stirring plate (806), a V-shaped connecting rod (808) is fixedly connected to one end of the stirring shaft (805) adjacent to the conical guide piece (802), the middle part of the V-shaped connecting rod (808) is fixedly connected with the stirring shaft (805), one end of the V-shaped connecting rod (808) is hinged with a horizontal connecting rod (809), the other end of the V-shaped connecting rod (808) is hinged with a piston rod of a stirring cylinder (810), a cylinder body of the stirring cylinder (810) is hinged on the discharging frame (801), the other ends of the stirring cylinder are fixedly connected with the stirring shaft (805) at one side of the stirring frame (811) which is fixedly connected with a collecting groove (811), the stirring groove (811) is arranged at one side of the collecting groove (811), a blanking rod (813) is arranged between the collecting tank (812) and the discharging frame (801).
6. The long metal coil annealing heat treatment line according to claim 1, wherein: the polishing device (9) comprises a polishing seat (901), wherein two groups of follow-up rollers (902) are arranged on the upper surface of the polishing seat (901) and used for supporting feeding of a tube blank, a polishing frame (903) is further arranged on the polishing seat (901), two belt wheel seats (904) are arranged in the polishing frame (903), the belt wheel seats (904) are connected with the polishing frame (903) through telescopic cylinders (905), polishing belt wheels (906) are arranged on the belt wheel seats (904), polishing belts (907) used for polishing the tube blank are jointly arranged on the two polishing belt wheels (906), polishing motors (908) are arranged on the upper surface of one belt wheel seat (904), and the polishing motors (908) drive the polishing belt wheels (906) to rotate in a belt transmission mode.
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CN101480671A (en) * | 2009-02-13 | 2009-07-15 | 西安兰方实业有限公司 | Technique for producing double-layer copper brazing steel tube for air-conditioner |
CN201648501U (en) * | 2010-04-13 | 2010-11-24 | 北京建莱机电技术有限公司 | High-speed continuous induction annealing device for copper pipes |
CN102409150A (en) * | 2011-10-16 | 2012-04-11 | 浙江康盛股份有限公司 | Induction heating multi-pipeline steel tube continuous annealing process line |
CN106119504A (en) * | 2016-08-30 | 2016-11-16 | 湖州迈拓精密管业有限公司 | A kind of coil pipe annealing device |
CN210420031U (en) * | 2019-05-31 | 2020-04-28 | 洛阳松导感应加热科技有限公司 | Bright continuous annealing production line for pipe fittings |
CN111804765A (en) * | 2020-07-29 | 2020-10-23 | 太原科技大学 | High-efficient straightening unit of small-bore thick wall metal tubular product |
CN111804764A (en) * | 2020-07-29 | 2020-10-23 | 太原科技大学 | High-precision heavy-caliber thick-wall pipe strong straightening unit |
CN116833769A (en) * | 2023-09-01 | 2023-10-03 | 太原科技大学 | Coil pipe scale production line |
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2023
- 2023-08-30 CN CN202311099092.9A patent/CN116855719B/en active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101480671A (en) * | 2009-02-13 | 2009-07-15 | 西安兰方实业有限公司 | Technique for producing double-layer copper brazing steel tube for air-conditioner |
CN201648501U (en) * | 2010-04-13 | 2010-11-24 | 北京建莱机电技术有限公司 | High-speed continuous induction annealing device for copper pipes |
CN102409150A (en) * | 2011-10-16 | 2012-04-11 | 浙江康盛股份有限公司 | Induction heating multi-pipeline steel tube continuous annealing process line |
CN106119504A (en) * | 2016-08-30 | 2016-11-16 | 湖州迈拓精密管业有限公司 | A kind of coil pipe annealing device |
CN210420031U (en) * | 2019-05-31 | 2020-04-28 | 洛阳松导感应加热科技有限公司 | Bright continuous annealing production line for pipe fittings |
CN111804765A (en) * | 2020-07-29 | 2020-10-23 | 太原科技大学 | High-efficient straightening unit of small-bore thick wall metal tubular product |
CN111804764A (en) * | 2020-07-29 | 2020-10-23 | 太原科技大学 | High-precision heavy-caliber thick-wall pipe strong straightening unit |
CN116833769A (en) * | 2023-09-01 | 2023-10-03 | 太原科技大学 | Coil pipe scale production line |
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