CN108127015B - A kind of ladder-like cylindrical member making apparatus and method based on magnetic field power drive - Google Patents
A kind of ladder-like cylindrical member making apparatus and method based on magnetic field power drive Download PDFInfo
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- CN108127015B CN108127015B CN201711384401.1A CN201711384401A CN108127015B CN 108127015 B CN108127015 B CN 108127015B CN 201711384401 A CN201711384401 A CN 201711384401A CN 108127015 B CN108127015 B CN 108127015B
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- 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
- B21D26/00—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces
- B21D26/14—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces applying magnetic forces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- Press Drives And Press Lines (AREA)
Abstract
This application discloses a kind of ladder-like cylindrical member making apparatus and method based on magnetic field power drive, including first kind device and the second class device；The first kind device includes the cavity plate with ladder-like inner cavity, the side wall upper part of the cavity plate is provided with pressing component, it is respectively arranged with upper end undergauge coil and lower end undergauge coil in the side wall of the pressing component and the cavity plate, is additionally provided with above the inner cavity of the cavity plate for generating axial pushing electromagnetic force to the plate to be produced to form the multi-layer planar spiral axial direction drawing coil of Tapered Cup；The second class device includes the punch-pin with step-like surface, and the top periphery of the punch-pin is provided with pressing component, is additionally provided with multi-layer planar spiral radial-axial drawing coil above the punch-pin.The device and method can be avoided the corrugation unstability and drawing crack when the forming of ladder-like cylindrical member, improve drawing height and product quality, the technique for simplifying forming.
Description
Technical field
The invention belongs to materials to shape technical field, more particularly to a kind of ladder-like cylinder based on magnetic field power drive
Shape part making apparatus and method.
Background technique
The manufacturing process of existing stepped tubular part is drawing, using a set of fixture for forming and pressure with punch-die
Machine, manufacturing cost is high, the period is long, and corrugation, i.e. unstable phenomenon or even drawing crack are easy to appear in drawing process, it is difficult to process
The metal material of high-intensitive difficult forming.
Summary of the invention
To solve the above problems, the ladder-like cylindrical member making apparatus that the present invention provides a kind of based on magnetic field power drive and
Method can be avoided corrugation unstability and drawing crack when the forming of ladder-like cylindrical member, improve drawing height and product quality, be simplified to
The technique of shape.
A kind of ladder-like cylindrical member making apparatus based on magnetic field power drive provided by the invention, including first kind device and
Second class device；
Wherein, the first kind device includes the cavity plate with ladder-like inner cavity, and the side wall upper part of the cavity plate is provided with
Pressing component, the pressing component are used to cooperating the fixed plate to be produced of the side wall of the cavity plate, the pressing component and described
Upper end undergauge coil and lower end undergauge coil are respectively arranged in the side wall of cavity plate, for being formed to the plate to be produced
Electromagnetic force is radially-inwardly compressed, also there is reserved space above the inner cavity of the cavity plate, be provided with and be used in the reserved space
Axial pushing electromagnetic force is generated to form the multi-layer planar spiral axial direction drawing coil of Tapered Cup to the plate to be produced；
The second class device includes the punch-pin with step-like surface, and the top periphery of the punch-pin is provided with press section
Part, for the pressing component for cooperating the fixed Tapered Cup of the punch-pin, the punch-pin top also has reserved space, described
Be provided in reserved space for the Tapered Cup and meanwhile generate it is axial push electromagnetic force and radially-inwardly compress electromagnetic force with
Form the multi-layer planar spiral radial-axial drawing coil of ladder-like cylindrical member.
Preferably, in the ladder-like cylindrical member making apparatus above-mentioned based on magnetic field power drive, the pressing component is pressure
Flange.
Preferably, in the ladder-like cylindrical member making apparatus above-mentioned based on magnetic field power drive, the pressing component and institute
It states and is respectively arranged with upper end undergauge coil and lower end undergauge coil in the side wall of cavity plate are as follows:
The pressing component is provided with upper coil groove, and the side wall of the cavity plate is provided with and the upper coil groove
Opposite lower coil groove, the upper coil groove is interior to have the upper end undergauge coil, the lower coil groove
It is interior that there is the lower end undergauge coil.
A kind of ladder-like cylindrical member production method based on magnetic field power drive provided by the invention, using such as any one of above
The first kind device and the second class device, comprising:
Plate to be produced is fixed on to the pressing component of the first kind device and the side of the cavity plate with ladder-like inner cavity
Between wall, upper end undergauge coil and lower end undergauge line are respectively arranged in the side wall of the pressing component and the cavity plate
Circle；
To the upper end undergauge coil, the lower end undergauge coil and the multi-layer planar spiral axial direction drawing coil
It is powered, the same of axial pushing electromagnetic force is applied to the plate to be produced using the multi-layer planar spiral axial direction drawing coil
When, the plate application to be produced is radially-inwardly compressed using the upper end undergauge coil and the lower end undergauge coil
Electromagnetic force, until the plate to be produced is bent to Tapered Cup；
The Tapered Cup is placed between the punch-pin top periphery and the pressing component of the second class device；
It is powered to the multi-layer planar spiral radial-axial drawing coil in the second class device, it is flat using the multilayer
Plate spiral radial-axial drawing coil applies radially-inwardly compression electromagnetic force and axial pushing electromagnetic force to the Tapered Cup, directly
Ladder-like cylindrical member is deformed by the Tapered Cup.
Preferably, in the ladder-like cylindrical member production method above-mentioned based on magnetic field power drive, the pressing component is pressure
Flange.
Preferably, in the ladder-like cylindrical member production method above-mentioned based on magnetic field power drive, the pressing component and institute
It states and is respectively arranged with upper end undergauge coil and lower end undergauge coil in the side wall of cavity plate are as follows:
The pressing component is provided with upper coil groove, and the side wall of the cavity plate is provided with and the upper coil groove
Opposite lower coil groove, the upper coil groove is interior to have the upper end undergauge coil, the lower coil groove
It is interior that there is the lower end undergauge coil.
As can be seen from the above description, the above-mentioned ladder-like cylindrical member making apparatus based on magnetic field power drive provided by the invention
And method, since the equipment includes first kind device and the second class device；Wherein, the first kind device includes with ladder-like
The cavity plate of inner cavity, the side wall upper part of the cavity plate are provided with pressing component, and the pressing component is used to cooperate the side of the cavity plate
Upper end undergauge coil and lower end are respectively arranged in the side wall of the fixed plate to be produced of wall, the pressing component and the cavity plate
Portion's undergauge coil also has above the inner cavity of the cavity plate for radially-inwardly compressing electromagnetic force to the plate formation to be produced
There is reserved space, is provided in the reserved space for generating axial pushing electromagnetic force to the plate to be produced to form cone
The multi-layer planar spiral axial direction drawing coil of shape part；The second class device includes the punch-pin with step-like surface, described convex
The top periphery of mould is provided with pressing component, and the pressing component is described convex for cooperating the fixed Tapered Cup of the punch-pin
Also there is above mould reserved space, is provided in the reserved space for the Tapered Cup while generating axial pushing electromagnetism
Power and radially-inwardly compression electromagnetic force is to form the multi-layer planar spiral radial-axial drawing coil of ladder-like cylindrical member, therefore
It can be avoided the corrugation unstability and drawing crack when the forming of ladder-like cylindrical member, improve drawing height and product quality, simplify forming
Technique.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is the of the first ladder-like cylindrical member making apparatus based on magnetic field power drive provided by the embodiments of the present application
The schematic diagram of a kind of device；
Fig. 2 is the of the first ladder-like cylindrical member making apparatus based on magnetic field power drive provided by the embodiments of the present application
The schematic diagram of two class devices；
Fig. 3 is showing for the first ladder-like cylindrical member production method based on magnetic field power drive provided by the embodiments of the present application
It is intended to；
Fig. 4 is the of the first ladder-like cylindrical member production method based on magnetic field power drive provided by the embodiments of the present application
One phase shapes schematic diagram；
Fig. 5 is the of the first ladder-like cylindrical member production method based on magnetic field power drive provided by the embodiments of the present application
Two-stage shapes schematic diagram.
Specific embodiment
Core of the invention thought is to provide a kind of ladder-like cylindrical member making apparatus based on magnetic field power drive and side
Method can be avoided corrugation unstability and drawing crack when the forming of ladder-like cylindrical member, improve drawing height and product quality, simplifies forming
Technique.
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The first ladder-like cylindrical member making apparatus such as Fig. 1 and figure based on magnetic field power drive provided by the embodiments of the present application
Shown in 2, Fig. 1 is the first of the first ladder-like cylindrical member making apparatus based on magnetic field power drive provided by the embodiments of the present application
The schematic diagram of class device, Fig. 2 are the first ladder-like cylindrical member production based on magnetic field power drive provided by the embodiments of the present application
The schematic diagram of second class device of equipment, the first kind device include the cavity plate 1 with ladder-like inner cavity, the side of the cavity plate 1
Wall top is provided with pressing component 2, and the pressing component 2 is used to cooperate the fixed plate 3 to be produced of the side wall of the cavity plate 1, institute
It states and is respectively arranged with upper end undergauge coil 4 and lower end undergauge coil 5 in the side wall of pressing component 2 and the cavity plate 1, be used for
Electromagnetic force is radially-inwardly compressed to the formation of plate 3 to be produced, also there is reserved space, institute above the inner cavity of the cavity plate 1
It states and is provided in reserved space for generating axial pushing electromagnetic force to the plate 3 to be produced to form the multilayer of Tapered Cup 6
Plate spiral axial direction drawing coil 7；
The second class device includes the punch-pin 201 with step-like surface, and the top periphery of the punch-pin 201 is provided with
Pressing component 202, the pressing component 202 are gone back above the punch-pin 201 for cooperating the punch-pin fixed Tapered Cup 6
With reserved space, it is provided in the reserved space for the Tapered Cup 6 while generating and axial push electromagnetic force and diameter
The multi-layer planar spiral radial-axial drawing coil 203 of ladder-like cylindrical member is formed to electromagnetic force is inwardly compressed.
It should be noted that above-mentioned apparatus is the principle according to electromagnetic pulse forming, using pulse magnet field force to metal work
Part carries out High-speed machining, and material can be obtained under the conditions of pulse magnet field force high-speed deformation higher than the forming under conventional ones processing
The ability of performance, common electro-magnetic forming equipment is up to 200KJ, can shape the thickness within 10mm, and there are also energy to be
The equipment of 500KJ can shape bigger thickness.The cavity shape of cavity plate 1 and punch-pin 201 used by the embodiment it is ladder-like
Surface and the shape of ladder-like cylindrical member to be produced match, and the upper end undergauge coil 4, lower end undergauge coil 5 connect
Connect the same power-supply system, and multi-layer planar spiral axial direction drawing coil 7 and multi-layer planar spiral radial-axial drawing coil
203 are connected to other power-supply system, which is a kind of relatively conventional coil, care for
Name Si Yi, this coil has multilayer, and canoe therein is in spiral distribution, it will be seen from figure 1 that a left side for the coil
Half of current direction is outside perpendicular to paper, and the current direction of right one side of something is inside perpendicular to paper, can according to right-hand rule
To learn that the current direction of this coil is to look down magnetic strength counterclockwise, the position of central axes generates inside it from top
Straight up, in this case, the active force on vertical direction generated can cause plate 3 to be produced to deform to line, but only
It is limited to axial force, it is also necessary to which explanation, the size of the electromagnetic force of this coil and the limitation of distribution cause it finally can only shape
Tapered part, and the multi-layer planar spiral radial-axial drawing coil 203 is in above-mentioned multi-layer planar spiral axial direction drawing line
The coil after improving is done to each layer of relative position and size on the basis of circle 7, the improvement of this position and size is
On the basis of the shape of Tapered Cup 6 to be dealt with, so that the existing axial direction of stress of each position of Tapered Cup has radial direction again,
It is deformed into ladder-like cylindrical member to further realize Tapered Cup, the treatment process is specific as follows: flat to multilayer when shaping for the first time
Plate spiral axial direction drawing coil 7, upper end undergauge coil 4 and lower end undergauge coil 5 carry out charging and discharging simultaneously；Second at
Charging and discharging is carried out to multi-layer planar spiral radial-axial drawing coil 203 when shape.Wherein, 4 He of upper end undergauge coil
Lower end undergauge coil 5 includes multiple concentric coil, can be seen according to the relative position of the two coils and plate 3 to be produced
Out, generate the magnetic line of force the position of plate 3 to be produced in the horizontal direction, therefore can to plate 3 to be produced generate one
Boosting power radially drives plate 3 to be produced to be inwardly compressed, and to cooperate its deformation process, the multi-layer planar spiral is axial
Drawing coil 7 includes coil of the multi-turn center of circle on the same axis, therefore it finds out with the position of plate 3 to be produced from Fig. 1,
This coil the position of plate 3 to be produced magnetic induction line along straight down, therefore what it applied plate 3 to be produced is vertical
Downward power, i.e., it is axial to push electromagnetic force, and figure it is seen that multi-layer planar spiral radial-axial drawing coil 203 produces
Raw magnetic induction line the position of Tapered Cup 6 and vertical direction at an angle, therefore its electromagnetic force generated have simultaneously it is vertical
Tapered Cup 6 is constantly axially advanced, under the action of this power until final by the component and vertically-oriented component in direction
It is bonded it completely with step-like surface, forms final ladder-like cylindrical member.It should also be noted that, above-mentioned " axial direction " and
" radial direction " both for coil itself for.
As can be seen from the above description, the first ladder-like cylindrical member based on magnetic field power drive provided by the embodiments of the present application
Making apparatus, due to including first kind device and the second class device；Wherein, the first kind device includes having ladder-like inner cavity
Cavity plate, the side wall upper part of the cavity plate is provided with pressing component, and the pressing component is used to cooperate the side wall of the cavity plate solid
Upper end undergauge coil and lower end contracting are respectively arranged in the side wall of fixed plate to be produced, the pressing component and the cavity plate
Diameter coil also has pre- for radially-inwardly compressing electromagnetic force to the plate formation to be produced above the inner cavity of the cavity plate
Spacing is provided in the reserved space for generating the axial electromagnetic force that pushes to the plate to be produced to form Tapered Cup
Multi-layer planar spiral axial direction drawing coil；The second class device includes the punch-pin with step-like surface, the punch-pin
Top periphery is provided with pressing component, and the pressing component is for cooperating the fixed Tapered Cup of the punch-pin, on the punch-pin
Side also has reserved space, be provided in the reserved space for the Tapered Cup and meanwhile generate it is axial push electromagnetic force with
Compress electromagnetic force radially-inwardly to form the multi-layer planar spiral radial-axial drawing coil of ladder-like cylindrical member, therefore can
Corrugation unstability and drawing crack when ladder-like cylindrical member being avoided to shape improve drawing height and product quality, the technique for simplifying forming.
The second provided by the embodiments of the present application ladder-like cylindrical member making apparatus based on magnetic field power drive, is above-mentioned
Further include following technical characteristic on the basis of the first ladder-like cylindrical member making apparatus based on magnetic field power drive:
The pressing component is blank holder.
Using this blank holder as pressing component, during stretching, it can preferably prevent workpiece peristoma part from losing
It surely wrinkles, the scheme of the application does not use punch-pin, therefore the side wall top for only needing to be fixed in cavity plate forms cooperation
?.
The third ladder-like cylindrical member making apparatus based on magnetic field power drive provided by the embodiments of the present application, is above-mentioned
Further include following technical characteristic on the basis of the first ladder-like cylindrical member making apparatus based on magnetic field power drive:
Upper end undergauge coil and lower end undergauge line are respectively arranged in the side wall of the pressing component and the cavity plate
Circle are as follows:
The pressing component is provided with upper coil groove, and the side wall of the cavity plate is provided with and the upper coil groove
Opposite lower coil groove, the upper coil groove is interior to have the upper end undergauge coil, the lower coil groove
It is interior that there is the lower end undergauge coil.
The first ladder-like cylindrical member production method such as Fig. 3 institute based on magnetic field power drive provided by the embodiments of the present application
Showing, Fig. 3 is the schematic diagram of the first ladder-like cylindrical member production method based on magnetic field power drive provided by the embodiments of the present application,
This method is utilized such as any first kind device and the second class device above, is included the following steps:
S1: plate to be produced is fixed on the pressing component of the first kind device and cavity plate with ladder-like inner cavity
Between side wall, upper end undergauge coil and lower end undergauge line are respectively arranged in the side wall of the pressing component and the cavity plate
Circle；
Specifically, by the board clamp of drawing and forming between pressing component and cavity plate so that multi-layer planar spiral is axial
Drawing coil is located above the prefabricated bore edges of plate to be produced.
S2: to the upper end undergauge coil, the lower end undergauge coil and the multi-layer planar spiral axial direction drawing
Coil is powered, and applies axial pushing electromagnetic force to the plate to be produced using the multi-layer planar spiral axial direction drawing coil
Meanwhile the plate application to be produced is radially-inwardly pressed using the upper end undergauge coil and the lower end undergauge coil
Contracting electromagnetic force, until the plate to be produced is bent to Tapered Cup；
Specifically, to multi-layer planar spiral axial direction drawing coil, upper end undergauge coil and lower end undergauge coil charges
And discharge, upper end undergauge coil and lower end undergauge coil generate the electromagnetic force being inwardly compressed, multi-layer planar spiral to plate
Axial drawing coil generates the electromagnetic force being pressed downward to plate to be produced, and plate to be produced is downward under the driving of multidirectional electromagnetic force
Deep-drawing deformation shapes tapered profiles, ultimately forms shape as shown in Figure 4, Fig. 4 be it is provided by the embodiments of the present application the first
The first stage of ladder-like cylindrical member production method based on magnetic field power drive shapes schematic diagram.
S3: the Tapered Cup is placed between the punch-pin top periphery and the pressing component of the second class device；
S4: it is powered to the multi-layer planar spiral radial-axial drawing coil in the second class device, utilizes the multilayer
Plate spiral radial-axial drawing coil applies radially-inwardly compression electromagnetic force and axial pushing electromagnetic force to the Tapered Cup,
Until the Tapered Cup is deformed into ladder-like cylindrical member；
Specifically, to multi-layer planar spiral radial-axial drawing coil charges and discharge, multi-layer planar spiral radial direction-axis
Radial electromagnetic force is generated to side wall of the drawing coil to Tapered Cup, axial electromagnetic force is generated to Tapered Cup bottom, plate is in electromagnetism
Downward deep-drawing deformation under the driving of power, shapes final stepped tubular part, ultimately forms shape shown in fig. 5, and Fig. 5 is this Shen
Please embodiment provide the first ladder-like cylindrical member production method based on magnetic field power drive second stage shape schematic diagram.
The second provided by the embodiments of the present application ladder-like cylindrical member production method based on magnetic field power drive, is above-mentioned
Further include following technical characteristic on the basis of the first ladder-like cylindrical member production method based on magnetic field power drive:
The pressing component is blank holder.
Using this blank holder as pressing component, during stretching, it can preferably prevent workpiece peristoma part from losing
Surely wrinkle,
The third ladder-like cylindrical member production method based on magnetic field power drive provided by the embodiments of the present application, is above-mentioned
Further include following technical characteristic on the basis of the first ladder-like cylindrical member production method based on magnetic field power drive:
Upper end undergauge coil and lower end undergauge line are respectively arranged in the side wall of the pressing component and the cavity plate
Circle are as follows:
The pressing component is provided with upper coil groove, and the side wall of the cavity plate is provided with and the upper coil groove
Opposite lower coil groove, the upper coil groove is interior to have the upper end undergauge coil, the lower coil groove
It is interior that there is the lower end undergauge coil.
In conclusion above-mentioned apparatus provided by the embodiments of the present application and method have the advantages that electro-magnetic forming can improve
Phenomena such as forming limit of metal material can effectively improve drawing height, reduce unstability, drawing crack；Radial electromagnetic force can make metal
Thinned in drawing process of plate does not occur at the same place, can be improved plastic deformation ability and the change of metal
The uniformity of shape；The rate of electro-magnetic forming is higher, can make ladder-like cylindrical member rebound and corrugation reduction after forming；Workpiece by
Deformation is completed by inertia after the effect of transient electromagnetic power, inertia force can slow down the generation of necking phenomenon；The height of workpiece and mold
Speed collision close to mold from far from die face so that be under different stress states, it is suppressed that the development of damage；Mould structure
Simple process is simple；Electro-magnetic forming forming speed is fast, and work efficiency is high；Plate improves plate modeling under multidirectional electromagnetic force
Stress-strain state in property deformation process.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (6)
1. a kind of ladder-like cylindrical member making apparatus based on magnetic field power drive, which is characterized in that including first kind device and
Two class devices；
Wherein, the first kind device includes the cavity plate with ladder-like inner cavity, and the side wall upper part of the cavity plate is provided with first
Pressing component, first pressing component are used to cooperate the fixed plate to be produced of the side wall of the cavity plate, first press section
Upper end undergauge coil and lower end undergauge coil are respectively arranged in the side wall of part and the cavity plate, for described to be produced
Electromagnetic force is radially-inwardly compressed in plate formation, also has the first reserved space above the inner cavity of the cavity plate, and described first is reserved
It is provided in space for generating axial pushing electromagnetic force to the plate to be produced to form the multi-layer planar spiral of Tapered Cup
Axial drawing coil；
The second class device includes the punch-pin with step-like surface, and the top periphery of the punch-pin is provided with the second press section
Part, second pressing component also have second to reserve for cooperating the punch-pin fixed Tapered Cup above the punch-pin
Space is provided in second reserved space for the Tapered Cup while generating the axial electromagnetic force and radially-inwardly of pushing
Electromagnetic force is compressed to form the multi-layer planar spiral radial-axial drawing coil of ladder-like cylindrical member；
The shape phase of the step-like surface of the cavity shape of the cavity plate and the punch-pin and ladder-like cylindrical member to be produced
Match.
2. the ladder-like cylindrical member making apparatus according to claim 1 based on magnetic field power drive, which is characterized in that described
First pressing component is blank holder.
3. the ladder-like cylindrical member making apparatus according to claim 1 based on magnetic field power drive, which is characterized in that described
Upper end undergauge coil and lower end undergauge coil are respectively arranged in the side wall of first pressing component and the cavity plate are as follows:
First pressing component is provided with upper coil groove, and the side wall of the cavity plate is provided with and the upper coil groove
Opposite lower coil groove, the upper coil groove is interior to have the upper end undergauge coil, the lower coil groove
It is interior that there is the lower end undergauge coil.
4. a kind of ladder-like cylindrical member production method based on magnetic field power drive, which is characterized in that appointed using such as claim 1-3
Ladder-like cylindrical member making apparatus described in one based on magnetic field power drive, comprising:
Plate to be produced is fixed on to the first pressing component of the first kind device and the side of the cavity plate with ladder-like inner cavity
Between wall, upper end undergauge coil and lower end undergauge are respectively arranged in the side wall of first pressing component and the cavity plate
Coil；
It is logical to the upper end undergauge coil, the lower end undergauge coil and the multi-layer planar spiral axial direction drawing coil
Electricity, while applying axial pushing electromagnetic force to the plate to be produced using the multi-layer planar spiral axial direction drawing coil,
Radially-inwardly compression electricity is applied to the plate to be produced using the upper end undergauge coil and the lower end undergauge coil
Magnetic force, until the plate to be produced is bent to Tapered Cup；
The Tapered Cup is placed between the punch-pin top periphery of the second class device and second pressing component；
It is powered to the multi-layer planar spiral radial-axial drawing coil in the second class device, utilizes the multi-layer planar spiral shell
Revolve radial-axial drawing coil to the Tapered Cup apply radially-inwardly compression electromagnetic force and it is axial push electromagnetic force, until will
The Tapered Cup is deformed into ladder-like cylindrical member.
5. the ladder-like cylindrical member production method according to claim 4 based on magnetic field power drive, which is characterized in that described
First pressing component is blank holder.
6. the ladder-like cylindrical member production method according to claim 4 based on magnetic field power drive, which is characterized in that described
Upper end undergauge coil and lower end undergauge coil are respectively arranged in the side wall of first pressing component and the cavity plate are as follows:
First pressing component is provided with upper coil groove, and the side wall of the cavity plate is provided with and the upper coil groove
Opposite lower coil groove, the upper coil groove is interior to have the upper end undergauge coil, the lower coil groove
It is interior that there is the lower end undergauge coil.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711384401.1A CN108127015B (en) | 2017-12-20 | 2017-12-20 | A kind of ladder-like cylindrical member making apparatus and method based on magnetic field power drive |
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| CN201711384401.1A CN108127015B (en) | 2017-12-20 | 2017-12-20 | A kind of ladder-like cylindrical member making apparatus and method based on magnetic field power drive |
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| CN108127015B true CN108127015B (en) | 2019-06-11 |
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| IL122794A (en) * | 1997-12-29 | 2001-01-28 | Pulsar Welding Ltd | Pulsed magnetic forming of dish from a planar plate |
| AU5565199A (en) * | 1998-08-17 | 2000-03-06 | Ohio State University, The | Hybrid matched tool-electromagnetic forming apparatus incorporating electromagnetic actuator, methods of use and article made therefrom |
| CN102248059B (en) * | 2011-06-16 | 2013-07-24 | 华中科技大学 | Multistage and multidirectional electromagnetic forming method and device |
| CN103658297B (en) * | 2013-09-13 | 2016-01-20 | 华中科技大学 | The progressive drawing forming method of electromagnetic pulse assisted and device |
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