CN108127015A - A kind of stepped cylindrical member making apparatus and method based on magnetic field power drive - Google Patents
A kind of stepped cylindrical member making apparatus and method based on magnetic field power drive Download PDFInfo
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- CN108127015A CN108127015A CN201711384401.1A CN201711384401A CN108127015A CN 108127015 A CN108127015 A CN 108127015A CN 201711384401 A CN201711384401 A CN 201711384401A CN 108127015 A CN108127015 A CN 108127015A
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- coil
- pressing component
- cavity plate
- cylindrical member
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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
-
- 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
Abstract
This application discloses a kind of stepped 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 stepped inner cavity, the side wall upper part of the cavity plate is provided with pressing component, upper end undergauge coil and lower end undergauge coil are respectively arranged in the side wall of the pressing component and the cavity plate, is additionally provided with to form the multi-layer planar spiral axial direction drawing coil of Tapered Cup to the axial pushing electromagnetic force of plank generation to be produced above the inner cavity of the cavity plate；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, multi-layer planar spiral radial-axial drawing coil is additionally provided with above the punch-pin.Corrugation unstability and drawing crack when the device and method can avoid the stepped cylindrical member from shaping, 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 stepped cylinder based on magnetic field power drive
Shape part making apparatus and method.
Background technology
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 susceptible in drawing process, it is difficult to process
The metal material of high intensity difficulty forming.
Invention content
To solve the above problems, the present invention provides a kind of stepped cylindrical member making apparatus based on magnetic field power drive and
Method, corrugation unstability and drawing crack when can avoid the stepped cylindrical member from shaping, improves drawing height and product quality, is simplified to
The technique of shape.
A kind of stepped 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 stepped inner cavity, and the side wall upper part of the cavity plate is provided with
Pressing component, the pressing component are used to coordinating the side wall of the cavity plate to fix plank to be produced, 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 plank to be produced
Electromagnetic force is radially-inwardly compressed, above the inner cavity of the cavity plate also there is reserved space, be provided with and be used in the reserved space
Axial pushing electromagnetic force is generated to the plank 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 press section
Part, for the pressing component for the punch-pin to be coordinated to fix the Tapered Cup, the punch-pin top also has reserved space, described
Be provided in reserved space for the Tapered Cup is generated simultaneously it is axial push electromagnetic force and radially-inwardly compress electromagnetic force with
Form the multi-layer planar spiral radial-axial drawing coil of stepped cylindrical member.
Preferably, in the above-mentioned stepped cylindrical member making apparatus based on magnetic field power drive, the pressing component is pressure
Flange.
Preferably, in the above-mentioned stepped cylindrical member making apparatus based on magnetic field power drive, the pressing component and institute
It states and upper end undergauge coil is respectively arranged in the side wall of cavity plate and lower end undergauge coil is：
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 stepped 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, including：
Plank to be produced is fixed on the pressing component of the first kind device and there is the side of the cavity plate of stepped 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, applies the same of axial pushing electromagnetic force to the plank to be produced using the multi-layer planar spiral axial direction drawing coil
When, the plank application to be produced is radially-inwardly compressed using the upper end undergauge coil and the lower end undergauge coil
Electromagnetic force, until the plank to be produced is bent to Tapered Cup；
The Tapered Cup is placed between 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, is put down using the multilayer
Plate spiral radial-axial drawing coil applies the Tapered Cup radially-inwardly compression electromagnetic force and axial pushing electromagnetic force, directly
Stepped cylindrical member is deformed by the Tapered Cup.
Preferably, in the above-mentioned stepped cylindrical member production method based on magnetic field power drive, the pressing component is pressure
Flange.
Preferably, in the above-mentioned stepped cylindrical member production method based on magnetic field power drive, the pressing component and institute
It states and upper end undergauge coil is respectively arranged in the side wall of cavity plate and lower end undergauge coil is：
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.
By foregoing description it is found that the above-mentioned stepped 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 having stepped
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 for the side for coordinating the cavity plate
Upper end undergauge coil and lower end are respectively arranged in the side wall of wall fixation plank to be produced, the pressing component and the cavity plate
Portion's undergauge coil for radially-inwardly compressing electromagnetic force to the plank formation to be produced, also has above the inner cavity of the cavity plate
There is reserved space, be provided in the reserved space and bored for generating the axial electromagnetic force that pushes to the plank to be produced with being formed
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 the punch-pin to be coordinated to fix the Tapered Cup
Above mould also there is reserved space, be provided with to generate the Tapered Cup simultaneously axial pushing electromagnetism in the reserved space
Power and radially-inwardly compression electromagnetic force to form the multi-layer planar spiral radial-axial drawing coil of stepped cylindrical member, therefore
Corrugation unstability and drawing crack when can avoid the stepped cylindrical member from shaping, improve drawing height and product quality, simplify forming
Technique.
Description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, to embodiment or will show below
There is attached drawing needed in technology 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 stepped 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 stepped 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 stepped 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 stepped 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 stepped 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
The core concept of the present invention is to provide a kind of stepped cylindrical member making apparatus based on magnetic field power drive and side
Method can avoid corrugation unstability and drawing crack, raising drawing height and product quality, simplification during stepped cylindrical member forming from shaping
Technique.
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment shall fall within the protection scope of the present invention.
The first stepped 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 stepped 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 that the first stepped cylindrical member based on magnetic field power drive provided by the embodiments of the present application makes
The schematic diagram of second class device of equipment, the first kind device include the cavity plate 1 with stepped 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 coordinate the side wall of the cavity plate 1 to fix plank 3 to be produced, institute
It states and upper end undergauge coil 4 and lower end undergauge coil 5 is respectively arranged in the side wall of pressing component 2 and the cavity plate 1, be used for
The plank 3 to be produced is formed and radially-inwardly compresses electromagnetic force, also there is reserved space, institute above the inner cavity of the cavity plate 1
It states to be provided in reserved space and axial pushes electromagnetic force to form the multilayer of Tapered Cup 6 for being generated to the plank 3 to be produced
Tablet 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 is for coordinating the punch-pin to fix the Tapered Cup 6, and 201 top of punch-pin is also
With reserved space, it is provided with to the Tapered Cup 6 while to generate and axial push electromagnetic force and diameter in the reserved space
To electromagnetic force is inwardly compressed to form the multi-layer planar spiral radial-axial drawing coil 203 of stepped cylindrical member.
It should be noted that above device 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 obtain the forming under being processed higher than conventional ones under the conditions of pulse magnet field force high-speed deformation
Performance, the ability of common electro-magnetic forming equipment is up to 200KJ, can shape the thickness within 10mm, and also energy is
The equipment of 500KJ can shape the thickness of bigger.The cavity shape of cavity plate 1 and punch-pin 201 is stepped used by the embodiment
Surface and the shape of stepped cylindrical member to be produced match, and the upper end undergauge coil 4, lower end undergauge coil 5 connect
Connect 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 the current direction of this coil as from magnetic strength counterclockwise in terms of top down, that the position of central axes generates inside it
Straight up, in this case, the active force on vertical direction generated can cause plank 3 to be produced to deform, but only to line
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 radially again,
Further to realize that Tapered Cup is deformed into stepped cylindrical member, the processing procedure is specific as follows：Multilayer is put down when shaping for the first time
Plate spiral axial direction drawing coil 7, upper end undergauge coil 4 and lower end undergauge coil 5 are carried out at the same time charging and discharging；Second into
Charging and discharging is carried out to multi-layer planar spiral radial-axial drawing coil 203 during 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 plank 3 to be produced
Go out, generate the magnetic line of force in the position of plank 3 to be produced in the horizontal direction, therefore can to plank 3 to be produced generate one
Boosting power radially drives plank 3 to be produced to be inwardly compressed, and to coordinate its deformation process, the multi-layer planar spiral is axial
Drawing coil 7 includes the multi-turn center of circle coil on same axis, therefore its position with plank 3 to be produced is found out from Fig. 1,
This coil the position of plank 3 to be produced magnetic induction line along straight down, therefore what it applied plank 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
In the position of Tapered Cup 6 and vertical direction at an angle, therefore its electromagnetic force generated has vertically raw magnetic induction line simultaneously
The component and vertically-oriented component in direction under the action of this power, Tapered Cup 6 are constantly axially advanced, until final
It is made to be bonded completely with step-like surface, forms final stepped cylindrical member.It should also be noted that, above-mentioned " axial direction " and
" radial direction " both for coil in itself for.
By foregoing description it is found that the first stepped 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 stepped inner cavity
Cavity plate, the side wall upper part of the cavity plate is provided with pressing component, and the pressing component is for coordinating the side wall of the cavity plate to consolidate
Upper end undergauge coil and lower end contracting are respectively arranged in the side wall of fixed plank to be produced, the pressing component and the cavity plate
Diameter coil for radially-inwardly compressing electromagnetic force to the plank formation to be produced, also has pre- above the inner cavity of the cavity plate
Spacing is provided in the reserved space axial to push electromagnetic force to form Tapered Cup for generating the plank to be produced
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 coordinating the punch-pin to fix the Tapered Cup, on the punch-pin
Side also has reserved space, be provided in the reserved space for the Tapered Cup is generated simultaneously it is axial push electromagnetic force and
Electromagnetic force is radially-inwardly compressed to form the multi-layer planar spiral radial-axial drawing coil of stepped cylindrical member, therefore can
Corrugation unstability and drawing crack when avoiding the stepped cylindrical member from shaping, improve drawing height and product quality, the technique for simplifying forming.
The second provided by the embodiments of the present application stepped cylindrical member making apparatus based on magnetic field power drive, is above-mentioned
On the basis of the first stepped cylindrical member making apparatus based on magnetic field power drive, following technical characteristic is further included：
The pressing component is blank holder.
By the use of this blank holder as pressing component, in drawing process, it can preferably prevent workpiece peristoma part from losing
It surely wrinkles, the scheme of the application only needs to be fixed in above the side wall of cavity plate and form cooperation using punch-pin
.
The third stepped cylindrical member making apparatus based on magnetic field power drive provided by the embodiments of the present application, is above-mentioned
On the basis of the first stepped cylindrical member making apparatus based on magnetic field power drive, following technical characteristic is further included：
Upper end undergauge coil and lower end undergauge line are respectively arranged in the side wall of the pressing component and the cavity plate
It encloses and is：
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 stepped 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 stepped 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：Plank to be produced is fixed on the pressing component of the first kind device and there is the cavity plate of stepped 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, it will treat 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 plank 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 plank to be produced using the multi-layer planar spiral axial direction drawing coil
Meanwhile the plank 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 plank 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, the electromagnetic force that plank generation is inwardly compressed in upper end undergauge coil and lower end undergauge coil, multi-layer planar spiral
The electromagnetic force that axial drawing coil is pressed downward plank to be produced generation, plank to be produced are downward under the driving of multidirectional electromagnetic force
Deep-drawing deformation shapes tapered profiles, ultimately forms shape as shown in Figure 4, Fig. 4 for it is provided by the embodiments of the present application the first
The first stage forming schematic diagram of stepped cylindrical member production method based on magnetic field power drive.
S3：The Tapered Cup is placed between 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
Tablet spiral radial-axial drawing coil applies the Tapered Cup radially-inwardly compression electromagnetic force and axial pushing electromagnetic force,
Until the Tapered Cup is deformed into stepped 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 the side wall of Tapered Cup to drawing coil, axial electromagnetic force is generated to Tapered Cup bottom, plank 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 stepped cylindrical member production method based on magnetic field power drive second stage forming schematic diagram.
The second provided by the embodiments of the present application stepped cylindrical member production method based on magnetic field power drive, is above-mentioned
On the basis of the first stepped cylindrical member production method based on magnetic field power drive, following technical characteristic is further included：
The pressing component is blank holder.
By the use of this blank holder as pressing component, in drawing process, it can preferably prevent workpiece peristoma part from losing
Surely wrinkle,
The third stepped cylindrical member production method based on magnetic field power drive provided by the embodiments of the present application, is above-mentioned
On the basis of the first stepped cylindrical member production method based on magnetic field power drive, following technical characteristic is further included：
Upper end undergauge coil and lower end undergauge line are respectively arranged in the side wall of the pressing component and the cavity plate
It encloses and is：
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 device provided by the embodiments of the present application and method have the following 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
The thinned plastic deformation ability and the change that do not occur at same place, can improve metal of the plate in drawing process
The uniformity of shape；The rate higher of electro-magnetic forming can make stepped 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 working efficiency is high；Plank improves plate modeling under multidirectional electromagnetic force
Stress-strain state in property deformation process.
The foregoing description of the disclosed embodiments enables professional and technical personnel in the field to realize or use the present invention.
A variety of modifications of these embodiments will be apparent for those skilled in the art, it is as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and the principles and novel features disclosed herein phase one
The most wide range caused.
Claims (6)
1. a kind of stepped 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 stepped inner cavity, and the side wall upper part of the cavity plate is provided with pressing
Component, the pressing component are used to coordinate the side wall of the cavity plate to fix plank to be produced, the pressing component and the cavity plate
Side wall in be respectively arranged with upper end undergauge coil and lower end undergauge coil, for being formed radially to the plank to be produced
Electromagnetic force is inwardly compressed, above the inner cavity of the cavity plate also there is reserved space, be provided in the reserved space for institute
It states plank to be produced and generates axial pushing electromagnetic force 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,
For the pressing component for the punch-pin to be coordinated to fix the Tapered Cup, the punch-pin top also has reserved space, described pre-
It is provided with to generate the Tapered Cup simultaneously axial pushing electromagnetic force and radially-inwardly compress electromagnetic force with shape in spacing
The multi-layer planar spiral radial-axial drawing coil of cylindrical member into a ladder.
2. the stepped cylindrical member making apparatus according to claim 1 based on magnetic field power drive, which is characterized in that described
Pressing component is blank holder.
3. the stepped cylindrical member making apparatus according to claim 1 based on magnetic field power drive, which is characterized in that described
Upper end undergauge coil is respectively arranged in the side wall of pressing component and the cavity plate and lower end undergauge coil is：
The pressing component is provided with upper coil groove, and the side wall of the cavity plate is provided with opposite with the upper coil groove
Lower coil groove, there is in the upper coil groove upper end undergauge coil, have in the lower coil groove
There is the lower end undergauge coil.
4. a kind of stepped cylindrical member production method based on magnetic field power drive, which is characterized in that appointed using such as claim 1-3
First kind device and the second class device described in one, including：
By plank to be produced be fixed on the first kind device pressing component and with stepped inner cavity cavity plate side wall it
Between, upper end undergauge coil and lower end undergauge coil are respectively arranged in the side wall of the pressing component and the cavity plate；
The upper end undergauge coil, the lower end undergauge coil and the multi-layer planar spiral axial direction drawing coil are led to
Electricity, while applying axial pushing electromagnetic force to the plank to be produced using the multi-layer planar spiral axial direction drawing coil,
Radially-inwardly compression electricity is applied to the plank to be produced using the upper end undergauge coil and the lower end undergauge coil
Magnetic force, until the plank to be produced is bent to Tapered Cup；
The Tapered Cup is placed between 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, utilizes the multi-layer planar spiral shell
Revolve radial-axial drawing coil the Tapered Cup is applied radially-inwardly compression electromagnetic force and it is axial push electromagnetic force, until will
The Tapered Cup is deformed into stepped cylindrical member.
5. the stepped cylindrical member production method according to claim 4 based on magnetic field power drive, which is characterized in that described
Pressing component is blank holder.
6. the stepped cylindrical member production method according to claim 4 based on magnetic field power drive, which is characterized in that described
Upper end undergauge coil is respectively arranged in the side wall of pressing component and the cavity plate and lower end undergauge coil is：
The pressing component is provided with upper coil groove, and the side wall of the cavity plate is provided with opposite with the upper coil groove
Lower coil groove, there is in the upper coil groove upper end undergauge coil, have in the lower coil groove
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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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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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| CN108127015A true CN108127015A (en) | 2018-06-08 |
| CN108127015B CN108127015B (en) | 2019-06-11 |
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Cited By (1)
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| CN109848281A (en) * | 2019-03-13 | 2019-06-07 | 中南大学 | A kind of large scale plate part electromagnetism deep-draw hole flanging formation method and forming device |
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| Publication number | Publication date |
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| CN108127015B (en) | 2019-06-11 |
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