CN105170766A - Magnetic collector for magnetic pulse forming - Google Patents
Magnetic collector for magnetic pulse forming Download PDFInfo
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- CN105170766A CN105170766A CN201510531038.6A CN201510531038A CN105170766A CN 105170766 A CN105170766 A CN 105170766A CN 201510531038 A CN201510531038 A CN 201510531038A CN 105170766 A CN105170766 A CN 105170766A
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Abstract
The invention discloses a magnetic collector for magnetic pulse forming, and relates to a magnetic collector. The invention aims at solving the problem that the structural strength of a magnetic collector, the insulation capacity of the gap of a longitudinal joint of the magnetic collector, and the insulation capacity between a working area of the magnetic collector and the machined workpiece are reduced due to a rapid temperature rise generated during a continuous magnetic pulse forming process, so that short circuit and structural damages among the longitudinal joint of the magnetic collector, the magnetic collector and the workpiece are caused, and finally the formation production chain is broken. According to the invention, at least one cooling channel ring is machined on a longitudinal arm; each cooling channel ring comprises a plurality of cooling channels; each cooling channel penetrates through an inner sleeve body in the longitudinal length direction and is internally charged with a refrigeration gas or a refrigeration liquid; and every two cooling channels are communicated through an external tube so as to form a serial cooling pipeline or a parallel cooling pipeline; and the Joule heat generated by the magnetic collector during multiple charge-discharge processes is brought away by charging the refrigeration gas or the refrigeration liquid in the cooling channel rings, thus effectively assisting to cool the magnetic collector. The magnetic collector disclosed by the invention is used in a magnetic pulse forming process.
Description
Technical field
The present invention relates to a kind of collection chinaware for magnetic pulse formation, belong to for metal parts or the simple assembling of goods or metal parts and non-metal workpiece or the mechanical field of dismounting.
Background technology
Magnetic pulse formation is the part forming manufacturing technology utilizing pulsed magnetic pressure-driven sheet material or pipe deformations.In forming process, workpiece deformation speed reaches tens---and hundreds of meter per second, therefore, magnetic pulse formation belongs to one of typical two-forty forming technique.Magnetic pulse formation has following technical advantage: 1) rate of deformation is high, and difficult-to-deformation material forming limit significantly improves; 2) use one-side mould, mould structure is simple; 3) technological parameter is simple, and room temperature is shaped, and forming accuracy is high, and first and last part dimensional uniformity is good.In view of These characteristics, magnetic pulse forming techniques is suitable for small lot, diversified Production requirement, is easy to carry out automated production.
Coil is the machining tool of magnetic pulse formation, for realizing electric energy to magnetic field energy and distortion changes mechanical energy.In magnetic pulse formation process, coil bears the equivalence acting on distortion workpiece, reciprocal impulse action power, Joule heat effect, therefore needs enough structural strengths and heat-sinking capability.Similar with sheet stamping forming mould, coil feels there is fixed structure, for single given loop construction, can only complete simple, set shaping task.In order to improve magnetic pulse forming process flexibility, conventional collection chinaware coordinates coil to use.As being shaped for pipe, by putting collection chinaware in coil, can the active position of regulating impulse magnetic pressure and sphere of action, and then realize the control that local deformation is occurred to for position and deflection.
So-called collection chinaware, is generally block, single turn version, is processed by high-strength, high conductivity copper alloy mechanical.The magnetic field energy produced for concentrating coil acts on the some of Forming Workpiece or multiple feature locations.Because magnetic concentrator structure is simple, be convenient to processing, therefore, by collection chinaware and fitting coils, the technological flexibility of magnetic pulse forming techniques can be significantly improved.
In magnetic pulse forming techniques laboratory research, every day, the electric discharge formed machining of tens times, can reach cooling requirement by means of only collection chinaware self-radiating.At present, the shaping of lightweight, multifunction structural member is produced and is proposed new demand to magnetic pulse forming techniques, namely needs this technology to possess quick-reaction capability, meets small lot, diversified requirement again simultaneously.Therefore, except intensity, energy conversion efficiency etc. require, also need to collect chinaware and overcome the series of problems that joule heating effect causes.Otherwise, the rapid warm raising that lasting magnetic pulse formation process produces just causes structural strength, collection chinaware longitudinal joint gap insulation ability, between collection chinaware workspace and workpiece to be machined, insulating capacity reduces, and then cause collecting chinaware longitudinal joint, short circuit between collection chinaware and workpiece and structure damage, finally make shaping produce chain and destroy.Therefore, the magnetic concentrator structure that invention is new is badly in need of, to meet above-mentioned production technology demand.
Summary of the invention
The object of this invention is to provide a kind of collection chinaware for magnetic pulse formation, the rapid warm raising produced to solve lasting magnetic pulse formation process just causes magnetic concentrator structure intensity, collection chinaware longitudinal joint gap insulation ability, between collection chinaware workspace and workpiece to be machined, insulating capacity reduces, cause collecting chinaware longitudinal joint, short circuit between collection chinaware and workpiece and structure damage, the problem finally making shaping produce chain to destroy.
The present invention solves the problems of the technologies described above the technical scheme taked to be:
A kind of collection chinaware for magnetic pulse formation, it comprises collection chinaware body and coil, described collection chinaware body comprises outer sleeve body, interior body and trailing arm, described mounting coil is outside outer sleeve body, the outer wall of outer sleeve body and the inwall of coil are oppositely arranged, inner sleeve body is set with in outer sleeve body, pipe is provided with in interior body, the inwall of interior body and the outer wall of pipe are oppositely arranged, be fixedly connected with by trailing arm between outer sleeve body and interior body and be made as one, described trailing arm is processed with a longitudinal joint, longitudinal joint is outer sleeve body, interior body and trailing arm are cut open, insulating materials is added in longitudinal joint, with ensure magnetic pulse formation equipment by during coil discharge and outer sleeve body outer wall form dielectric strength when pulse induction electric current flows through longitudinal joint and interior body, described a kind of collection chinaware for magnetic pulse formation also comprises multiple extension tube attached, described trailing arm is processed with at least one cooling duct circle, each cooling duct circle comprises multiple cooling duct, multiple cooling duct is arranged along the circumferencial direction of pipe, the longitudinal length of the through interior body in cooling duct, refrigerant gas is connected with in cooling duct, be communicated with by extension tube attached between every two cooling ducts and form tandem cooling line or parallel cooling line.
A kind of collection chinaware for magnetic pulse formation, it comprises collection chinaware body and coil, described collection chinaware body comprises outer sleeve body, interior body and trailing arm, described mounting coil is outside outer sleeve body, the outer wall of outer sleeve body and the inwall of coil are oppositely arranged, inner sleeve body is set with in outer sleeve body, pipe is provided with in interior body, the inwall of interior body and the outer wall of pipe are oppositely arranged, be fixedly connected with by trailing arm between outer sleeve body and interior body and be made as one, described trailing arm is processed with a longitudinal joint, longitudinal joint is outer sleeve body, interior body and trailing arm are cut open, insulating materials is added in longitudinal joint, to ensure that magnetic pulse formation equipment forms dielectric strength when pulse induction electric current flows through longitudinal joint and interior body by outer sleeve body outer wall during coil discharge, described trailing arm is processed with at least one cooling duct circle, each cooling duct circle comprises multiple cooling duct, multiple cooling duct is arranged along the circumferencial direction of pipe, the longitudinal length of the through interior body in cooling duct, the cross section of cooling duct is circular, refrigerant gas is connected with in cooling duct.
A kind of collection chinaware for magnetic pulse formation, it comprises collection chinaware body and coil, described collection chinaware body comprises outer sleeve body, interior body and trailing arm, described mounting coil is outside outer sleeve body, the outer wall of outer sleeve body and the inwall of coil are oppositely arranged, inner sleeve body is set with in outer sleeve body, pipe is provided with in interior body, the inwall of interior body and the outer wall of pipe are oppositely arranged, be fixedly connected with by trailing arm between outer sleeve body and interior body and be made as one, described trailing arm is processed with a longitudinal joint, longitudinal joint is outer sleeve body, interior body and trailing arm are cut open, insulating materials is added in longitudinal joint, to ensure that magnetic pulse formation equipment forms dielectric strength when pulse induction electric current flows through longitudinal joint and interior body by outer sleeve body outer wall during coil discharge, described a kind of collection chinaware for magnetic pulse formation also comprises multiple extension tube attached, described trailing arm is processed with at least one cooling duct circle, each cooling duct circle comprises multiple cooling duct, multiple cooling duct is arranged along the circumferencial direction of pipe, the longitudinal length of the through interior body in cooling duct, refrigerant liquid is connected with in cooling duct, be communicated with by extension tube attached between every two cooling ducts and form tandem cooling line or parallel cooling line.
The present invention has following beneficial effect:
The present invention is the magnetic concentrator structure of embedded cooling duct, under the prerequisite meeting structural strength, by forcing cooling, the Joule heat produced when eliminating long-time, high-frequency operation, can make temperature of the present invention below 70 degrees Celsius by the setting of multiple cooling duct, make the insulating materials performance of longitudinal joint have lasting effectively insulating capacity, ensure original shape invariance shape of structure, carry out tube bulge and tubing undergauge and connection work continuously, realize high-frequency, long time magnetic pulse formation manufacture.Structure of the present invention is simple, easy processes and low cost of manufacture, is applicable to tubing, sheet material magnetic pulse formation and the batch production being connected product, possesses and make rapid-action ability to the market demand
Accompanying drawing explanation
Fig. 1 is the main TV structure profile of scheme one,
Fig. 2 is the plan structure schematic diagram of scheme one;
Fig. 3 be scheme two partly cut open figure;
Fig. 4 is the plan structure schematic diagram of scheme two;
Fig. 5 is the main TV structure profile of scheme three;
Fig. 6 is the plan structure schematic diagram of scheme three;
Fig. 7 is the structural representation that cooling duct 5-1 is connected with fin 6.
Detailed description of the invention
Detailed description of the invention one: composition graphs 1 and Fig. 2 illustrate present embodiment, present embodiment comprises collection chinaware body 1 and coil 2, described collection chinaware body 1 comprises outer sleeve body 1-1, interior body 1-2 and trailing arm 1-3, described coil 2 is sleeved on outside outer sleeve body 1-1, the outer wall of outer sleeve body 1-1 and the inwall of coil 2 are oppositely arranged, inner sleeve body 1-2 is set with in outer sleeve body 1-1, pipe 4 is provided with in interior body 1-2, the inwall of interior body 1-2 and the outer wall of pipe 4 are oppositely arranged, be fixedly connected with by trailing arm 1-3 between outer sleeve body 1-1 and interior body 1-2 and be made as one, described trailing arm 1-3 is processed with a longitudinal joint 1-4, longitudinal joint 1-4 is outer sleeve body 1-1, interior body 1-2 and trailing arm 1-3 cuts open, insulating materials is added in longitudinal joint 1-4, during to ensure that magnetic pulse formation equipment 9 is discharged by coil 2 and outer sleeve body 1-1 outer wall form dielectric strength when pulse induction electric current flows through longitudinal joint 1-4 and interior body 1-2, described a kind of collection chinaware for magnetic pulse formation also comprises multiple extension tube attached 3, described trailing arm 1-3 is processed with at least one cooling duct circle 5, each cooling duct circle 5 comprises multiple cooling duct 5-1, multiple cooling duct 5-1 is arranged along the circumferencial direction of pipe 4, the longitudinal length of the through interior body 1-2 of cooling duct 5-1, refrigerant gas is connected with in the 5-1 of cooling duct, be communicated with by extension tube attached 3 between every two cooling duct 5-1 and form tandem cooling line or parallel cooling line.
In the present invention, the inside of outer sleeve body 1-1 is collection chinaware workspace.The present invention both can be used for tube bulge, can be used for again tubing undergauge and connection, in the present invention longitudinal joint 1-4 place and longitudinal joint 1-4 place straight line on can not be processed with cooling duct 5-1, so that maintain normal work of the present invention.In the present invention, the setting of multiple extension tube attached 3 can make to form multiple tandem cooling line or parallel cooling line between multiple cooling duct 5-1, tandem cooling line and parallel cooling line are closed-loop path, be conducive to refrigerant gas circularly cooling, take away the Joule heat produced in collection chinaware workspace.In the present invention, extension tube attached 3 matches with external refrigeration equipment and arranges, and external refrigeration equipment is air pump.Magnetic pulse formation equipment 9 in present embodiment comprises capacitor C, resistance R, K switch, is connected with two terminals of coil 2 by wire.
Magnetic pulse formation magnetic concentrator structure in present embodiment is that both ends of the surface are tapered, the block single-turn circular coil of cross section approximate trapezoid, the wherein width 0.3-2mm of longitudinal joint 1-4, inner interpolation high pressure resistant insulation material.In magnetic pulse formation process, the magnetic field energy between coil 2 and outer sleeve body 1-1 outer wall is concentrated in collection chinaware workspace and pipe 4 gap, thus improves magnetic field energy density, and then improves pulsed magnetic pressure magnitude.Meanwhile, due to the existence of collection chinaware body 1, act on coil 2 magnetic pressure action effect under equivalent variations amount condition can be alleviated, play the effect of protection coil 2 thus.When the present invention carries out frequent formed machining, when 2-8 part per minute, then collecting chinaware body 1 due to remarkable joule heating effect accumulates, and temperature significantly improves, and multiple cooling duct 5-1 distributes axisymmetricly relative to collection chinaware body 1 axis.Cooling duct 5-1 internal cause leads to refrigerating gas, as compressed air makes every bar cooling duct may be separately formed cooling circuit, also realizes the series and parallel connections of cooling duct by external pipeline, thus optimizes cooling effect.In addition, under the prerequisite not weakening collection chinaware body 1 intensity, the circumferencial direction along pipe 4 also arranges multiple cooling duct circle 5, and multiple cooling ducts circle 5 is along the circumferencial direction layout of radiation from the inside to the outside one by one of pipe 4.
Detailed description of the invention two: composition graphs 1 and Fig. 2 illustrate present embodiment, the vertical sectional shape collecting chinaware body 1 described in present embodiment is trapezoidal or T-shaped.Namely collection chinaware can be singly stitch overall structure, can be again symmetrical Split type structure.Collection chinaware cross sectional shape both can be trapezoidal or approximate trapezoid, again can be T-shaped.Other structures and annexation identical with detailed description of the invention one.
Detailed description of the invention three: composition graphs 1 and Fig. 2 illustrate present embodiment, in described in present embodiment, the longitudinal length of body 1-2 is less than the longitudinal length of outer sleeve body 1-1.Other structures and annexation identical with detailed description of the invention one or two.
Detailed description of the invention four: composition graphs 1 and Fig. 2 illustrate present embodiment, in present embodiment, multiple cooling duct 5-1 is evenly arranged along the circumferencial direction of pipe 4, and the cross section of cooling duct 5-1 is circular.The cooling effect that setting like this can make cooling duct 5-1 is more even, thus to make in collection chinaware workspace cooling-down effect everywhere more even.Other structures and annexation identical with detailed description of the invention three.
Detailed description of the invention five: composition graphs 1, Fig. 2 and Fig. 7 illustrate present embodiment, in present embodiment each cooling duct 5-1 outer wall on be evenly equipped with multiple fin 6 along its circumferencial direction, each fin 6 is connected with cooling duct 5-1.The setting of fin 6 is the film-cooled heats in order to increase cooling duct 5-1, thus makes to lower the temperature more fast in collection chinaware workspace.Other structures and annexation identical with detailed description of the invention four.
Detailed description of the invention six: composition graphs 1 illustrates present embodiment, a kind of collection chinaware for magnetic pulse formation described in present embodiment also comprises circle line insulation sleeve 7 and coil insulation rigidized cover 8, the circle line of described coil 2 is set with circle line insulation sleeve 7, described coil 2 is outside equipped with coil insulation rigidized cover 8.Coil 2 is solenoid coil, and it is wound by a circle line, and the setting of coil insulation back-up coat 8 and multiple circle line insulation sleeve 7 has lasting effectively insulating capacity to increase insulating materials performance.Other structures and annexation identical with detailed description of the invention five.
Detailed description of the invention seven: composition graphs 3 and Fig. 4 illustrate present embodiment, present embodiment comprises collection chinaware body 1 and coil 2, described collection chinaware body 1 comprises outer sleeve body 1-1, interior body 1-2 and trailing arm 1-3, described coil 2 is sleeved on outside outer sleeve body 1-1, the outer wall of outer sleeve body 1-1 and the inwall of coil 2 are oppositely arranged, inner sleeve body 1-2 is set with in outer sleeve body 1-1, pipe 4 is provided with in interior body 1-2, the inwall of interior body 1-2 and the outer wall of pipe 4 are oppositely arranged, be fixedly connected with by trailing arm 1-3 between outer sleeve body 1-1 and interior body 1-2 and be made as one, described trailing arm 1-3 is processed with a longitudinal joint 1-4, longitudinal joint 1-4 is outer sleeve body 1-1, interior body 1-2 and trailing arm 1-3 cuts open, insulating materials is added in longitudinal joint 1-4, during to ensure that magnetic pulse formation equipment 9 is discharged by coil 2, outer sleeve body 1-1 outer wall forms dielectric strength when pulse induction electric current flows through longitudinal joint 1-4 and interior body 1-2, described trailing arm 1-3 is processed with at least one cooling duct circle 5, each cooling duct circle 5 comprises multiple cooling duct 5-1, multiple cooling duct 5-1 is arranged along the circumferencial direction of pipe 4, the longitudinal length of the through interior body 1-2 of cooling duct 5-1, the cross section of cooling duct 5-1 is circular, refrigerant gas is connected with in the 5-1 of cooling duct.
In the present invention, the inside of outer sleeve body 1-1 is collection chinaware workspace.The present invention both can be used for tube bulge, can be used for again tubing undergauge and connection, in the present invention longitudinal joint 1-4 place and longitudinal joint 1-4 place straight line on can not be processed with cooling duct 5-1, so that maintain normal work of the present invention.
Magnetic pulse formation magnetic concentrator structure in present embodiment is that both ends of the surface are tapered, the block single-turn circular coil of cross section approximate trapezoid, the wherein width 0.3-2mm of longitudinal joint 1-4, inner interpolation high pressure resistant insulation material.In magnetic pulse formation process, the magnetic field energy between coil 2 and outer sleeve body 1-1 outer wall is concentrated in collection chinaware workspace and pipe 4 gap, thus improves magnetic field energy density, and then improves pulsed magnetic pressure magnitude.Meanwhile, due to the existence of collection chinaware body 1, act on coil 2 magnetic pressure action effect under equivalent variations amount condition can be alleviated, play the effect of protection coil 2 thus.When the present invention carries out frequent formed machining, when 2-8 part per minute, then collecting chinaware body 1 due to remarkable joule heating effect accumulates, and temperature significantly improves, and multiple cooling duct 5-1 distributes axisymmetricly relative to collection chinaware body 1 axis.Cooling duct 5-1 internal cause leads to refrigerating gas, as compressed air makes every bar cooling duct form cooling circuit separately, thus optimizes cooling effect.In addition, under the prerequisite not weakening collection chinaware body 1 intensity, the circumferencial direction along pipe 4 also arranges multiple cooling duct and encloses the circumferencial direction one by one from the inside to the outside radiation layout of more than 5 cooling duct circle 5 along pipe 4.
Detailed description of the invention eight: composition graphs 3 and Fig. 4 illustrate present embodiment, the vertical sectional shape collecting chinaware body 1 described in present embodiment is trapezoidal or T-shaped.Namely collection chinaware can be singly stitch overall structure, can be again symmetrical Split type structure.Collection chinaware cross sectional shape both can be trapezoidal or approximate trapezoid, again can be T-shaped.Other structures and annexation identical with detailed description of the invention seven.
Detailed description of the invention nine: composition graphs 3, Fig. 4 and Fig. 7 illustrate present embodiment, in present embodiment, multiple cooling duct 5-1 is evenly arranged along the circumferencial direction of pipe 4, the outer wall of each cooling duct 5-1 is evenly equipped with multiple fin 6 along its circumferencial direction, and each fin 6 is fixedly connected with the outer wall of cooling duct 5-1 or is connected with cooling duct 5-1.The cooling effect that setting like this can make cooling duct 5-1 is more even, thus to make in collection chinaware workspace cooling-down effect everywhere more even.Other structures and annexation identical with detailed description of the invention seven or eight.
Detailed description of the invention ten: composition graphs 5, Fig. 6 and Fig. 7 illustrates present embodiment, present embodiment comprises collection chinaware body 1 and coil 2, described collection chinaware body 1 comprises outer sleeve body 1-1, interior body 1-2 and trailing arm 1-3, described coil 2 is sleeved on outside outer sleeve body 1-1, the outer wall of outer sleeve body 1-1 and the inwall of coil 2 are oppositely arranged, inner sleeve body 1-2 is set with in outer sleeve body 1-1, pipe 4 is provided with in interior body 1-2, the inwall of interior body 1-2 and the outer wall of pipe 4 are oppositely arranged, be fixedly connected with by trailing arm 1-3 between outer sleeve body 1-1 and interior body 1-2 and be made as one, described trailing arm 1-3 is processed with a longitudinal joint 1-4, longitudinal joint 1-4 is outer sleeve body 1-1, interior body 1-2 and trailing arm 1-3 cuts open, insulating materials is added in longitudinal joint 1-4, during to ensure that magnetic pulse formation equipment 9 is discharged by coil 2, outer sleeve body 1-1 outer wall forms dielectric strength when pulse induction electric current flows through longitudinal joint 1-4 and interior body 1-2, described a kind of collection chinaware for magnetic pulse formation also comprises multiple extension tube attached 3, described trailing arm 1-3 is processed with at least one cooling duct circle 5, each cooling duct circle 5 comprises multiple cooling duct 5-1, multiple cooling duct 5-1 is arranged along the circumferencial direction of pipe 4, the longitudinal length of the through interior body 1-2 of cooling duct 5-1, refrigerant liquid is connected with in the 5-1 of cooling duct, be communicated with by extension tube attached 3 between every two cooling duct 5-1 and form tandem cooling line or parallel cooling line.
Region in the present invention between outer sleeve body 1-1 and interior body 1-2 is collection chinaware workspace.The present invention both can be used for tube bulge, can be used for again tubing undergauge and connection, in the present invention longitudinal joint 1-4 place and longitudinal joint 1-4 place straight line on can not be processed with cooling duct 5-1, so that maintain normal work of the present invention.In the present invention, extension tube attached 3 matches with external refrigeration equipment and arranges, and external refrigeration equipment is cooling water recirculation system.
The present invention is as follows to tubing magnetic pulse forming process process:
Two terminals of magnetic pulse formation equipment 9 are connected with two terminals of coil 2.Cooling duct 5-1 is by extension tube attached 3 and external refrigeration equipment connection, and external refrigeration equipment is cooling water recirculation system or air pump.Pipe 4 to be formed is coaxially placed in collection chinaware workspace, first starts cooling system, cooling medium is by cooling duct 5-1.Charge to predeterminated voltage by external power grid to magnetic pulse formation equipment 9 capacitor again, disconnect charge circuit, connect discharge switch K, then the electric energy be stored in Capacitor banks is discharged to coil 2 by discharge loop resistance R and K switch.By pulse high current in coil 2, according to magnetic pulse forming process principle, pipe 4 is subject to radially inner pulsed magnetic pressure, in interior recessed position generation two-forty distortion.Be discharged into just as time, pulse high current by collection chinaware can produce Joule heat simultaneously.Heat is by conducting to cooling duct 5-1, and cooled medium is taken away, and controls temperature rise of the present invention thus in allowed band, namely not higher than 70 degrees Celsius when long under condition of work.After discharge off, removal workpiece, is reentered into pipe 4, carries out magnetic pulse formation next time.Thus, the present invention realize the high-frequency such as pipe fitting forming or connection, long time magnetic pulse formation manufacture process.
In conjunction with beneficial effect of the present invention, following examples are described:
Embodiment one: the present embodiment is that the present invention carries out magnetic pulse formation work, first, is connected by coil 2 with magnetic pulse formation equipment 9, the rated voltage of magnetic pulse formation equipment 9 is 20kV, capacitance 100 microfarad.Actual discharge voltage 12kV, discharge and recharge per minute 3 times.Coil 2 circle line cross section 5mm × 7mm, totally 10 circles, the internal diameter 142mm of coil 2.Integrate the internal diameter of the outer sleeve body 1-1 of chinaware body 1 as 140mm, the internal diameter of interior body 1-2 is 31mm.Pipe 4 external diameter 30mm, wall thickness 1mm, aluminum alloy materials.
Cooling duct 5-1 in collection chinaware body 1 passes to cooling water, whole Tandem, flow velocity 0.5m/s.By thermocouple measurement circle line insulating layer 7 temperature.In the above operating condition, circle line insulation sleeve 7 temperature is 35 degrees Celsius, job requirement when meeting long.
Embodiment two: the present embodiment is that the present invention carries out magnetic field impulse connection work, first, is connected by coil 2 with magnetic pulse formation equipment 9, the rated voltage of magnetic pulse formation equipment 9 is 20kV, capacitance 100 microfarad.Actual discharge voltage 16kV, discharge and recharge per minute 4 times.Coil turn line cross section 5mm × 7mm, totally 10 circles, the internal diameter 142mm of coil 2.Integrate the internal diameter of the outer sleeve body 1-1 of chinaware body 1 as 140mm, the internal diameter of interior body 1-2 is 31mm.Pipe 4 is bimetallic tube, and pipe 4 is made up of outer tube pipe and interior pipe pipe, and interior pipe pipe and outer tube pipe coaxial-symmetrical overlap joint are arranged, and overlap is relative with the work of collection chinaware.The external diameter 30mm of outer tube, wall thickness 1mm, aluminum alloy materials.The external diameter 25mm of interior pipe, wall thickness 2.5mm, stainless steel material.Collection chinaware main body 1-1 inner cooling channel 5-1 passes to cooling water, whole Tandem, flow velocity 0.5m/s.By thermocouple measurement coil inside circle line insulation sleeve 7 temperature.In the above operating condition, circle line insulation sleeve 7 temperature is 48 degrees Celsius, job requirement when meeting long.
Claims (10)
1. the collection chinaware for magnetic pulse formation, it comprises collection chinaware body (1) and coil (2), described collection chinaware body (1) comprises outer sleeve body (1-1), interior body (1-2) and trailing arm (1-3), described coil (2) is sleeved on outer sleeve body (1-1) outward, the outer wall of outer sleeve body (1-1) and the inwall of coil (2) are oppositely arranged, inner sleeve body (1-2) is set with in outer sleeve body (1-1), pipe (4) is provided with in interior body (1-2), the inwall of interior body (1-2) and the outer wall of pipe (4) are oppositely arranged, be fixedly connected with by trailing arm (1-3) between outer sleeve body (1-1) and interior body (1-2) and be made as one, described trailing arm (1-3) is processed with a longitudinal joint (1-4), longitudinal joint (1-4) is outer sleeve body (1-1), interior body (1-2) and trailing arm (1-3) are cut open, insulating materials is added in longitudinal joint (1-4), during to ensure that magnetic pulse formation equipment (9) is discharged by coil (2) and outer sleeve body (1-1) outer wall form dielectric strength when pulse induction electric current flows through longitudinal joint (1-4) and interior body (1-2), it is characterized in that: described a kind of collection chinaware for magnetic pulse formation also comprises multiple extension tube attached (3), described trailing arm (1-3) is processed with at least one cooling duct circle (5), each cooling duct circle (5) comprises multiple cooling duct (5-1), multiple cooling duct (5-1) is arranged along the circumferencial direction of pipe (4), the longitudinal length of the through interior body (1-2) in cooling duct (5-1), refrigerant gas is connected with in cooling duct (5-1), be communicated with by extension tube attached (3) between every two cooling ducts (5-1) and form tandem cooling line or parallel cooling line.
2. a kind of collection chinaware for magnetic pulse formation according to claim 1, is characterized in that: the vertical sectional shape of described collection chinaware body (1) is trapezoidal or T-shaped.
3. a kind of collection chinaware for magnetic pulse formation according to claim 1 and 2, is characterized in that: the longitudinal length of described interior body (1-2) is less than the longitudinal length of outer sleeve body (1-1).
4. a kind of collection chinaware for magnetic pulse formation according to claim 3, it is characterized in that: multiple cooling duct (5-1) is evenly arranged along the circumferencial direction of pipe (4), the cross section of cooling duct (5-1) is circular.
5. a kind of collection chinaware for magnetic pulse formation according to claim 4, it is characterized in that: the outer wall of each cooling duct (5-1) is evenly equipped with multiple fin (6) along its circumferencial direction, each fin (6) is connected with cooling duct (5-1).
6. a kind of collection chinaware for magnetic pulse formation according to claim 1 or 5, it is characterized in that: described a kind of collection chinaware for magnetic pulse formation also comprises circle line insulation sleeve (7) and coil insulation rigidized cover (8), the circle line of described coil (2) is set with circle line insulation sleeve (7), described coil (2) is outside equipped with coil insulation rigidized cover (8)
7. the collection chinaware for magnetic pulse formation, it comprises collection chinaware body (1) and coil (2), described collection chinaware body (1) comprises outer sleeve body (1-1), interior body (1-2) and trailing arm (1-3), described coil (2) is sleeved on outer sleeve body (1-1) outward, the outer wall of outer sleeve body (1-1) and the inwall of coil (2) are oppositely arranged, inner sleeve body (1-2) is set with in outer sleeve body (1-1), pipe (4) is provided with in interior body (1-2), the inwall of interior body (1-2) and the outer wall of pipe (4) are oppositely arranged, be fixedly connected with by trailing arm (1-3) between outer sleeve body (1-1) and interior body (1-2) and be made as one, described trailing arm (1-3) is processed with a longitudinal joint (1-4), longitudinal joint (1-4) is outer sleeve body (1-1), interior body (1-2) and trailing arm (1-3) are cut open, insulating materials is added in longitudinal joint (1-4), during to ensure that magnetic pulse formation equipment (9) is discharged by coil (2), outer sleeve body (1-1) outer wall forms dielectric strength when pulse induction electric current flows through longitudinal joint (1-4) and interior body (1-2), it is characterized in that: described trailing arm (1-3) is processed with at least one cooling duct circle (5), each cooling duct circle (5) comprises multiple cooling duct (5-1), multiple cooling duct (5-1) is arranged along the circumferencial direction of pipe (4), the longitudinal length of the through interior body (1-2) in cooling duct (5-1), the cross section of cooling duct (5-1) is circular, refrigerant gas is connected with in cooling duct (5-1).
8. a kind of collection chinaware for magnetic pulse formation according to claim 7, is characterized in that: the vertical sectional shape of described collection chinaware body (1) is trapezoidal or T-shaped.
9. a kind of collection chinaware for magnetic pulse formation according to claim 7 or 8, it is characterized in that: multiple cooling duct (5-1) is evenly arranged along the circumferencial direction of pipe (4), the outer wall of each cooling duct (5-1) is evenly equipped with multiple fin (6) along its circumferencial direction, and each fin (6) is connected with cooling duct (5-1).
10. the collection chinaware for magnetic pulse formation, it comprises collection chinaware body (1) and coil (2), described collection chinaware body (1) comprises outer sleeve body (1-1), interior body (1-2) and trailing arm (1-3), described coil (2) is sleeved on outer sleeve body (1-1) outward, the outer wall of outer sleeve body (1-1) and the inwall of coil (2) are oppositely arranged, inner sleeve body (1-2) is set with in outer sleeve body (1-1), pipe (4) is provided with in interior body (1-2), the inwall of interior body (1-2) and the outer wall of pipe (4) are oppositely arranged, be fixedly connected with by trailing arm (1-3) between outer sleeve body (1-1) and interior body (1-2) and be made as one, described trailing arm (1-3) is processed with a longitudinal joint (1-4), longitudinal joint (1-4) is outer sleeve body (1-1), interior body (1-2) and trailing arm (1-3) are cut open, insulating materials is added in longitudinal joint (1-4), during to ensure that magnetic pulse formation equipment (9) is discharged by coil (2), outer sleeve body (1-1) outer wall forms dielectric strength when pulse induction electric current flows through longitudinal joint (1-4) and interior body (1-2), it is characterized in that: described a kind of collection chinaware for magnetic pulse formation also comprises multiple extension tube attached (3), described trailing arm (1-3) is processed with at least one cooling duct circle (5), each cooling duct circle (5) comprises multiple cooling duct (5-1), multiple cooling duct (5-1) is arranged along the circumferencial direction of pipe (4), the longitudinal length of the through interior body (1-2) in cooling duct (5-1), refrigerant liquid is connected with in cooling duct (5-1), be communicated with by extension tube attached (3) between every two cooling ducts (5-1) and form tandem cooling line or parallel cooling line.
Priority Applications (1)
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| CN105965184A (en) * | 2016-07-21 | 2016-09-28 | 内蒙古科技大学 | Novel magnetic collector for electromagnetic pulse welding |
| CN107413916A (en) * | 2017-06-27 | 2017-12-01 | 华中科技大学 | A kind of tubing Electromagnetic bulging building mortion and method |
| CN108480449A (en) * | 2018-04-02 | 2018-09-04 | 三峡大学 | A kind of Aluminum Alloy Tube staggeredly deforms electromagnetic connector and method |
| CN108971313A (en) * | 2018-07-24 | 2018-12-11 | 广东工业大学 | A kind of flexibility plate Electro Magnetic Forming technology |
| CN110369597A (en) * | 2019-08-21 | 2019-10-25 | 宁波送变电建设有限公司甬城配电网建设分公司 | A kind of folding collection chinaware of pipe fitting electromagnetic pulse forming |
| CN110681760A (en) * | 2019-09-29 | 2020-01-14 | 华中科技大学 | Electromagnetic pulse hole flanging forming device for thick plate or thick arc-shaped part |
| CN111613953A (en) * | 2019-02-22 | 2020-09-01 | 北京机电研究所有限公司 | Magnetic pulse quick connection device and connection method for power cable |
| CN116713585A (en) * | 2023-06-16 | 2023-09-08 | 华中科技大学 | Multi-temperature-layer electromagnetic welding device and electromagnetic welding method |
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| CN105965184A (en) * | 2016-07-21 | 2016-09-28 | 内蒙古科技大学 | Novel magnetic collector for electromagnetic pulse welding |
| CN105965184B (en) * | 2016-07-21 | 2018-08-24 | 内蒙古科技大学 | A kind of electromagnet pulse welding collection chinaware |
| CN107413916A (en) * | 2017-06-27 | 2017-12-01 | 华中科技大学 | A kind of tubing Electromagnetic bulging building mortion and method |
| CN108480449A (en) * | 2018-04-02 | 2018-09-04 | 三峡大学 | A kind of Aluminum Alloy Tube staggeredly deforms electromagnetic connector and method |
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| CN108971313A (en) * | 2018-07-24 | 2018-12-11 | 广东工业大学 | A kind of flexibility plate Electro Magnetic Forming technology |
| CN111613953A (en) * | 2019-02-22 | 2020-09-01 | 北京机电研究所有限公司 | Magnetic pulse quick connection device and connection method for power cable |
| CN110369597A (en) * | 2019-08-21 | 2019-10-25 | 宁波送变电建设有限公司甬城配电网建设分公司 | A kind of folding collection chinaware of pipe fitting electromagnetic pulse forming |
| CN110369597B (en) * | 2019-08-21 | 2020-11-06 | 宁波送变电建设有限公司甬城配电网建设分公司 | Opening and closing magnetic collector for pipe electromagnetic pulse forming |
| CN110681760A (en) * | 2019-09-29 | 2020-01-14 | 华中科技大学 | Electromagnetic pulse hole flanging forming device for thick plate or thick arc-shaped part |
| CN116713585A (en) * | 2023-06-16 | 2023-09-08 | 华中科技大学 | Multi-temperature-layer electromagnetic welding device and electromagnetic welding method |
| CN116713585B (en) * | 2023-06-16 | 2024-02-09 | 华中科技大学 | Multi-temperature-layer electromagnetic welding device and electromagnetic welding method |
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