CN107900166A - A kind of medium-frequency pipe bender - Google Patents
A kind of medium-frequency pipe bender Download PDFInfo
- Publication number
- CN107900166A CN107900166A CN201711421431.5A CN201711421431A CN107900166A CN 107900166 A CN107900166 A CN 107900166A CN 201711421431 A CN201711421431 A CN 201711421431A CN 107900166 A CN107900166 A CN 107900166A
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- China
- Prior art keywords
- coil
- heating
- steel pipe
- medium
- bending
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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
- B21D7/00—Bending rods, profiles, or tubes
- B21D7/16—Auxiliary equipment, e.g. for heating or cooling of bends
- B21D7/162—Heating equipment
-
- 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
- B21D7/00—Bending rods, profiles, or tubes
- B21D7/16—Auxiliary equipment, e.g. for heating or cooling of bends
- B21D7/165—Cooling equipment
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention discloses a kind of medium-frequency pipe bender, including for placing the pre- rack for bending steel pipe, the front end of rack, which is equipped with, to be used to be sheathed on the tricyclic heating cooling coil group on the part to be heated of steel pipe and heating it and cooling down, tricyclic heating cooling coil group includes heating coil and the jet coil for being divided into heating coil both sides and cooling coil, heating coil, jet coil and cooling coil are detachably connected integral by adjusting part, and adjusting part can adjust the axial spacing between three coils to adjust the red tape size after steel pipe heating.The present invention can be achieved to the control of steel pipe heating red tape uniformly, to the accurate purpose of temperature control, and phenomena such as reducing fold rate and ovality, occurs, and strengthens the bending quality and bending precision of medium frequency bending of pipe.It can meet needs of the industries such as aerospace, nuclear industry, petrochemical industry, shipbuilding, electric power, vessel fabrication and steel construction to substantial amounts of intermediate frequency fire bending pipeline.
Description
Technical field
The present invention relates to a kind of bending machine technical field, and in particular to a kind of medium-frequency pipe bender.
Background technology
In industries such as aerospace, nuclear industry, petrochemical industry, shipbuilding, electric power, vessel fabrication, steel constructions, it is necessary to
To substantial amounts of medium frequency bending of pipe pipeline, medium-frequency pipe bender is to use medium frequency electric sensing heating, by workpiece under conditions of local heating
Bent;The process of medium frequency bending of pipe is to treat induction coil on bight portion set in steel pipe, tube head is blocked with mechanical rocker arm, in induction coil
In be passed through electric current of intermediate frequency heating steel pipe, when temperature of steel pipe is increased to mecystasis, promoted in steel pipe rear end with mechanical thrust, into
Row bend, the steel tubing portions bent out are cooled down rapidly with cooling agent, it is such while heating, while promote, while bend, while cool down, constantly
Steel tube bending is come out;It is now widely used for the pipeline of the engineering fields such as electric power, oil, chemical industry, navigation, boiler, nuclear industry
In prefabricated;Medium frequency bending of pipe is mainly carried out using the method for single ring architecture in existing medium-frequency pipe bender, i.e., it is hollow merely with one
Copper coil carries out the steel pipe after heating water-spraying control or the mode of jet cooling carries out steel tube bending.When this method bends steel pipe
Low precision, easily causes fold rate and phenomena such as ovality is proofreaded, and reduces the bending quality and bending precision of medium frequency bending of pipe, shadow
Ring the use of relevant device.
The content of the invention
The technical problem to be solved in the present invention is overcome the deficiencies of the prior art and provide a kind of simple in structure, achievable pair
The control of steel pipe heating red tape uniformly, to the accurate purpose of temperature control, and phenomena such as reducing fold rate and ovality, occurs, and strengthens
The medium-frequency pipe bender of medium frequency bending of pipe bending quality and bending precision.
In order to solve the above technical problems, technical solution proposed by the present invention is:
A kind of medium-frequency pipe bender, including for placing the pre- rack for bending steel pipe, the front end of the rack, which is equipped with, to be used to be sheathed on
The tricyclic heating cooling coil group for being heated and being cooled down on the steel pipe and to it, the tricyclic heating cooling coil group include
Heating coil and the jet coil and cooling coil for being divided into heating coil both sides, the heating coil, jet coil and cold
But coil is detachably connected integral by adjusting part, and the adjusting part can adjust the axial spacing between three coils
To adjust the red tape size after steel pipe heating.
Further as above-mentioned technical proposal is improved:
Preferably, the cooling coil is the coil that can spray current or air-flow.
Preferably, the red tape size Control is in the range of 2~3 times of steel pipe thickness.
Preferably, the adjusting part is multiple adjusting spiral shells parallel with the axis of tricyclic heating cooling coil group
Bolt, the periphery of the heating coil, jet coil and cooling coil are equipped with multiple corresponding contiguous blocks, the adjusting bolt
It is arranged in the contiguous block of corresponding position and is fastened by adjusting nut respectively.
Preferably, the rack is equipped with the steel pipe propulsion device for being used for promoting the steel pipe movement.
Preferably, the front end of the rack is equipped with temperature detection device, and it is cold that the temperature detection device is located at tricyclic heating
But the lower section of coil group.
Preferably, the temperature detection device is infrared radiation thermometer.
Preferably, further include the component that bends for bending steel pipe, it is described bend component include rocking arm, rocker shaft and
Level is fixed on rack front bottom end and the sliding slot vertical with the launch direction of steel pipe, and the rocker shaft is vertically arranged, rocking arm
The bottom of shaft is rotatably connected with the sliding slot, and the rocking arm is horizontally disposed with, and the middle part of rocking arm, which is equipped with, to be used to clamp the steel
The rocking arm collet of pipe tube head, one end of rocking arm be connected with the top of the rocker shaft and can using rocker shaft as the center of circle rotate into
Row steel tube bending.
Compared with prior art, the advantage of the invention is that:
The medium-frequency pipe bender of the present invention, a tricyclic that can be heated and cooled down to it is arranged on the part to be heated of steel pipe and is added
Heat cooling coil group, including heating coil and the jet coil and cooling coil that are divided into heating coil both sides, heating coil,
Axial spacing can be adjusted between jet coil and cooling coil by adjusting part to adjust the red tape size after steel pipe heating.Can
Realize uniform to steel pipe heating red tape control, to the accurate purpose of temperature control, and phenomena such as reducing fold rate and ovality is sent out
It is raw, strengthen the bending quality and bending precision of medium frequency bending of pipe.Can meet aerospace, nuclear industry, petrochemical industry, shipbuilding,
Needs of the industries such as electric power, vessel fabrication and steel construction to substantial amounts of intermediate frequency fire bending pipeline.
Brief description of the drawings
Fig. 1 is the sectional perspective structure diagram of medium-frequency pipe bender of the present invention.
Fig. 2 is the enlarged structure schematic diagram at A in Fig. 1.
Fig. 3 is the overlooking the structure diagram of medium-frequency pipe bender of the present invention.
Marginal data:
1st, rocking arm collet;2nd, temperature detection device;3rd, tricyclic heating cooling coil group;4th, steel pipe;5th, rocker shaft;6th, rocking arm;
7th, heating coil;8th, jet coil;9th, coil is cooled down;10th, adjusting part;11st, rack.
Embodiment
For the ease of understanding the present invention, the present invention is made below in conjunction with Figure of description and preferred embodiment more complete
Face, meticulously describe, but protection scope of the present invention is not limited to embodiment in detail below.
As shown in Figure 1-Figure 3, a kind of medium-frequency pipe bender embodiment of the invention, including for placing the pre- machine for bending steel pipe
Frame 11, the top of rack 11 are equipped with the steel pipe propulsion device for being used for promoting steel pipe 4 to move, and the front end of rack 11, which is equipped with, to be used to be arranged
Group is bent in the tricyclic heating cooling coil group 3 for being heated and being cooled down on steel pipe 4 and to it and for bend steel pipe 4
Part, tricyclic heating cooling coil group 3 include heating coil 7 and the jet coil 8 and cooling line that are divided into 7 both sides of heating coil
Circle 9, heating coil 7, jet coil 8 and cooling coil 9 are detachably connected integral by adjusting part 10, adjusting part 10
The axial spacing between three coils can be adjusted to adjust the red tape size after steel pipe 4 heats.Bending component includes rocking arm 6, shakes
Arm shaft 5 and level are fixed on 11 front bottom end of rack and the sliding slot vertical with the launch direction of steel pipe 4, and rocker shaft 5 is perpendicular
Straight to set, the bottom of rocker shaft 5 is rotatably connected with sliding slot, and rocking arm 6 is horizontally disposed, and the middle part of rocking arm 6, which is equipped with, to be used to clamp
The rocking arm collet 1 of 4 tube head of steel pipe, one end of rocking arm 6 are connected with the top of rocker shaft 5 and can be turned with rocker shaft 5 for the center of circle
It is dynamic to carry out steel tube bending.The medium-frequency pipe bender of the present invention controls uniformly, it can be achieved that heating red tape to steel pipe, what temperature accurately controlled
Phenomena such as purpose, reduction fold rate and ovality, occurs, and strengthens the bending quality and bending precision of medium frequency bending of pipe, can meet aviation
The industries such as space flight, nuclear industry, petrochemical industry, shipbuilding, electric power, vessel fabrication, steel construction are to substantial amounts of intermediate frequency fire bending pipeline
Needs.
In the present embodiment, cooling coil 9 is the coil that can spray current or air-flow.
In the present embodiment, adjusting part 10 is multiple adjusting bolts parallel with the axis of tricyclic heating cooling coil group 3,
The periphery of heating coil 7, jet coil 8 and cooling coil 9 is equipped with multiple corresponding contiguous blocks, and adjusting bolt is worn respectively
Fastened in the contiguous block of corresponding position and by adjusting nut.Adjusting bolt is mainly used for adjusting cooling coil 9 and jet
The relative distance of coil 8 and heating coil 7 is in order to adjusting the red tape size after steel pipe 4 heats.
In the present embodiment, the front end of rack 11 is equipped with temperature detection device 2(Preferably infrared radiation thermometer), infrared radiation thermometer
The lower section of cooling coil group 3 is heated positioned at tricyclic.
The application method of the present invention:
Rocker arm clip head clamping steel pipe one end, the heating coil heated using tricyclic in cooling coil group carry out steel pipe local add
Heat, temperature control system(The prior art, is not shown)It is curved that steel pipe is measured by rack-mounted infrared radiation thermometer
The temperature of bent portions, and compared with the set temperature value of tube bending part corresponding with the elbow radius of setting, work as steel
When the temperature of pipe bent portion reaches set temperature value, steel pipe is promoted by steel pipe propulsion device and moved forward, and rocking arm is turned with rocking arm
Axis is bent to bend center of circle rotation, is automatically stopped after setting angle of bend is reached and is completed bending for steel pipe.Bending
During, cooling coil cools down steel pipe injection water or air-flow, and jet coil is mainly used for after adjusting steel pipe heating
Red tape size, red tape size according to the various outer diameter of steel pipe and different wall general control steel pipe thickness 2~3 times of scopes
It is interior.
Claims (8)
1. a kind of medium-frequency pipe bender, including for placing the pre- rack for bending steel pipe, it is characterised in that:The front end of the rack is set
It is useful for being sheathed on the tricyclic heating cooling coil group for being heated on the steel pipe and to it and being cooled down, the tricyclic heating is cold
But coil group includes heating coil and the jet coil for being divided into heating coil both sides and cools down coil, the heating coil,
Jet coil and cooling coil are detachably connected integral by adjusting part, the adjusting part can adjust three coils it
Between axial spacing with adjust steel pipe heating after red tape size.
2. medium-frequency pipe bender according to claim 1, it is characterised in that the cooling coil is that can spray current or air-flow
Coil.
3. medium-frequency pipe bender according to claim 1, it is characterised in that the red tape size Control steel pipe thickness 2 ~
In the range of 3 times.
4. medium-frequency pipe bender according to claim 1, it is characterised in that the adjusting part adds to be multiple with the tricyclic
The parallel adjusting bolt of axis of heat cooling coil group, the heating coil, jet coil and cools down the periphery of coil and is equipped with
Multiple corresponding contiguous blocks, the adjusting bolt are arranged in the contiguous block of corresponding position and tight by adjusting nut respectively
Gu.
5. medium-frequency pipe bender according to claim 1, it is characterised in that the rack, which is equipped with, to be used to promote the steel pipe
Mobile steel pipe propulsion device.
6. medium-frequency pipe bender according to claim 1, it is characterised in that the front end of the rack is filled equipped with temperature sensing
Put, the temperature detection device is located at the lower section of tricyclic heating cooling coil group.
7. medium-frequency pipe bender according to claim 6, it is characterised in that the temperature detection device is infrared radiation thermometer.
8. according to claim 1-7 any one of them medium-frequency pipe benders, it is characterised in that further include for bending the curved of steel pipe
Component processed, it is described bend component include rocking arm, rocker shaft and it is horizontal be fixed on rack front bottom end and with the release of steel pipe
The vertical sliding slot in direction, the rocker shaft are vertically arranged, and the bottom of rocker shaft is rotatably connected with the sliding slot, described to shake
Arm is horizontally disposed with, and the middle part of rocking arm is equipped with the rocking arm collet for being used for clamping the steel pipe tube head, one end of rocking arm and the rocking arm
The top connection of shaft simultaneously can rotate progress steel tube bending by the center of circle of rocker shaft.
Priority Applications (1)
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CN201711421431.5A CN107900166A (en) | 2017-12-25 | 2017-12-25 | A kind of medium-frequency pipe bender |
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CN201711421431.5A CN107900166A (en) | 2017-12-25 | 2017-12-25 | A kind of medium-frequency pipe bender |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112404177A (en) * | 2021-01-25 | 2021-02-26 | 潍坊市利程建材科技有限公司 | Heating and cooling auxiliary device for bent part of metal rod |
CN112718979A (en) * | 2021-01-11 | 2021-04-30 | 王建刚 | Hot bending equipment for processing waterproof pipeline |
CN113664479A (en) * | 2021-09-22 | 2021-11-19 | 广州文船重工有限公司 | Manufacturing method of ring beam of cage |
Citations (7)
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JP2014159037A (en) * | 2013-02-20 | 2014-09-04 | Honda Motor Co Ltd | Hot processing device for steel pipe |
CN204108051U (en) * | 2014-08-25 | 2015-01-21 | 中国能源建设集团天津电力建设公司 | A kind of multiturn induction coil being applied to medium frequency bending of pipe processing |
GB2520569A (en) * | 2013-11-26 | 2015-05-27 | Gregson Induction Benders Ltd | Apparatus and method for bending an elongate member |
CN205496326U (en) * | 2016-03-21 | 2016-08-24 | 广东美的暖通设备有限公司 | Pipe bending device |
CN205851617U (en) * | 2016-07-15 | 2017-01-04 | 株洲双菱科技有限公司 | A kind of leading screw advances steel pipe medium-frequency pipe bender |
CN205869162U (en) * | 2016-08-05 | 2017-01-11 | 北京隆盛泰科石油管科技有限公司 | A induction coil that is used for two temperature systems of cooking over a slow fire of high steel level return bend induction heating |
CN107052079A (en) * | 2017-05-09 | 2017-08-18 | 四川三洲川化机核能设备制造有限公司 | A kind of forming method of the short radius high temperature alloy elbow of heavy caliber thick wall |
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2017
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Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2014159037A (en) * | 2013-02-20 | 2014-09-04 | Honda Motor Co Ltd | Hot processing device for steel pipe |
GB2520569A (en) * | 2013-11-26 | 2015-05-27 | Gregson Induction Benders Ltd | Apparatus and method for bending an elongate member |
CN204108051U (en) * | 2014-08-25 | 2015-01-21 | 中国能源建设集团天津电力建设公司 | A kind of multiturn induction coil being applied to medium frequency bending of pipe processing |
CN205496326U (en) * | 2016-03-21 | 2016-08-24 | 广东美的暖通设备有限公司 | Pipe bending device |
CN205851617U (en) * | 2016-07-15 | 2017-01-04 | 株洲双菱科技有限公司 | A kind of leading screw advances steel pipe medium-frequency pipe bender |
CN205869162U (en) * | 2016-08-05 | 2017-01-11 | 北京隆盛泰科石油管科技有限公司 | A induction coil that is used for two temperature systems of cooking over a slow fire of high steel level return bend induction heating |
CN107052079A (en) * | 2017-05-09 | 2017-08-18 | 四川三洲川化机核能设备制造有限公司 | A kind of forming method of the short radius high temperature alloy elbow of heavy caliber thick wall |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112718979A (en) * | 2021-01-11 | 2021-04-30 | 王建刚 | Hot bending equipment for processing waterproof pipeline |
CN112404177A (en) * | 2021-01-25 | 2021-02-26 | 潍坊市利程建材科技有限公司 | Heating and cooling auxiliary device for bent part of metal rod |
CN112404177B (en) * | 2021-01-25 | 2021-06-01 | 佛山市尚登不锈钢有限公司 | Heating and cooling auxiliary device for bent part of metal rod |
CN113664479A (en) * | 2021-09-22 | 2021-11-19 | 广州文船重工有限公司 | Manufacturing method of ring beam of cage |
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Application publication date: 20180413 |