CN107234161B - A kind of electric current auxiliary selenoid punch press process device and its control method - Google Patents
A kind of electric current auxiliary selenoid punch press process device and its control method Download PDFInfo
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- CN107234161B CN107234161B CN201710521107.4A CN201710521107A CN107234161B CN 107234161 B CN107234161 B CN 107234161B CN 201710521107 A CN201710521107 A CN 201710521107A CN 107234161 B CN107234161 B CN 107234161B
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Classifications
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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
- B21D37/16—Heating or cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B1/00—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen
- B30B1/42—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by magnetic means, e.g. electromagnetic
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Fluid Mechanics (AREA)
- Press Drives And Press Lines (AREA)
Abstract
The invention discloses a kind of electric current auxiliary selenoid punch press process device and its control method, device includes punch-pin, cavity plate, two heating electrodes, punch-pin reply part, boosting coil group, driving piece, heating member and electromagnetic driver；The electric grade of the heating is fixed on the cavity plate, and plate to be formed is fixed on the heating electrode；The punch-pin includes fixed part and forming section；The forming section and the cavity plate are adapted；The driving piece is fixed on above the fixed part；The boosting coil group is electrically connected with the electromagnetic driver；The boosting coil group is fixedly installed on the outer fixed frame inner wall and faces setting with the driving piece；The forming section is pierced by the outer fixed frame to realize the punching to plate to be formed.The present invention discloses a kind of electric current heating auxiliary selenoid punching that electric current auxiliary selenoid punch press process device uses, and is able to solve amorphous alloy and is not available the problem of traditional handicraft carries out punch press process now.
Description
Technical field
The present invention relates to amorphous alloy material plastic forming technology field, especially a kind of electric current auxiliary selenoid punch press process
Device and its control method.
Background technique
Amorphous alloy is a new class of engineering material, and such material has high intensity, high resiliency, corrosion resistance and melting
The characteristics such as machinability under state.The atomic structural arrangement of amorphous alloy is not the long-range order mode for being crystal alloy.Amorphous
The acquisition of material is generally by keeping molten alloy cooling more than the melt temperature of crystalline phase with the cooling rate of " sufficiently fast "
To amorphous phase " glass transition temperature " hereinafter, to avoid the nucleation and growth of alloy crystal.The non-crystalline material of early stage " faces
Boundary's cooling rate " is high.Therefore, conventional processing technology is not particularly suited for so high cooling rate.Because these are non-
The critical cooling rate of peritectic alloy seriously limits the part dimension made of amorphous alloy, so the amorphous alloy of early stage adds
Work production is restricted.
For many years, it is confirmed that " critical cooling rate " is heavily dependent on the chemical composition of amorphous alloy.Therefore,
A large amount of research all concentrates on the new composition of alloy that research and development have lower critical cooling rate.And now it is some new non-
Peritectic alloy system is characterized in that critical speed down to several degrees seconds Celsius, this allows the more achievable amorphous phase phenomenon than before to have
More processing and forming mode.
Recently, it has developed by being evenly heated to amorphous alloy material, has been shaped using rapid capacitor discharge
The method that tool overcomes many limitations of these conventional methods for its thermoplastic forming is certain shapes.Capacitor discharge forming
Using the release for the electric energy being stored in capacitor equably by the sample of amorphous alloy material within several milliseconds or shorter of time
Product are heated to predetermined " treatment temperature " between amorphous alloy glass transition temperature and the equilibrium melting point of alloy.To me
Find using electric current auxiliary heating means make amorphous alloy be heated to " treatment temperature " afterwards carry out punch press process method.
Due to the performance that amorphous alloy is excellent, the numerous areas such as aerospace, military weapons, electric mechanical have been used for,
Application prospect is very extensive.However the popularization that its difficulty shaped limits its application to a certain extent at present, existing benefit
So that amorphous alloy is heated to the method that " treatment temperature " is punched in combination with electromagnetic booster used in electric current auxiliary heating, amorphous is closed
Golden material carries out punch press process.By the way of electromagnetic cutting, there is punch press process energy to be easy to accurately control, punching speed
Fastly, the features such as machining accuracy is high improves amorphous alloy part cross section quality.The processing work of amorphous alloy is enriched to a certain extent
Skill is widely applied to various aspects for it and provides bigger possibility.
Summary of the invention
In view of technical problem present in background technique, the purpose of the present invention is to overcome the shortcomings of the existing technology, provides
A kind of punch press process energy is easy to accurately control, the punching electric current auxiliary selenoid punch press process device that speed is fast, machining accuracy is high
And its control method.
In order to solve the above technical problems, present invention employs following technical measures:
A kind of electric current auxiliary selenoid punch press process device, including punch-pin, cavity plate, two heating electrodes, punch-pin are replied part, are helped
Push away coil group, driving piece, heating member and electromagnetic driver；The electric grade of the heating is fixed on the cavity plate, and plate to be formed is solid
Due on the heating electrode；The punch-pin includes fixed part and forming section；The forming section and the cavity plate are adapted；It is described
It includes returning spring, guide rod and outer fixed frame that punch-pin, which replys part,；The guide rod passes through the fixed part and is fixed on outside described
In fixed frame, the returning spring is sheathed on the guide rod；The driving piece is fixed on above the fixed part；It is described to help
Coil group is pushed away to be electrically connected with the electromagnetic driver；The boosting coil group be fixedly installed on the outer fixed frame inner wall and with
The driving piece faces setting；The forming section is pierced by the outer fixed frame to realize the punching to plate to be formed.
As a further improvement, the cavity plate is set to below the punch-pin；The fixed part is in rectangular shape, it is described at
Shape portion is cylindrical and is vertically installed in lower section at the center of the fixed part.
As a further improvement, the quantity of the guide rod is four, it is symmetrically disposed on the forming section surrounding；Described time
The quantity of multiple spring is eight, is respectively sleeved on the guide rod of the fixed part upper and lower.
As a further improvement, being further arranged with the guide sleeve of guiding on the outside of the forming section；The guide sleeve includes convex
Edge and guide part；The flange part and the fixed part, which are arranged in parallel and fix, to be attached on the outer fixed frame inner wall；Institute
It states guide part setting parallel with the forming section and is mutually close to be arranged with the forming section and the outer fixed frame.
As a further improvement, the quantity of the boosting coil group is at least one；The boosting coil group includes several
A subcoil；The subcoil is the toroidal winding that red copper wire turns to, and the section of the subcoil is round or rectangle.
As a further improvement, being further provided with a bolster on the cavity plate；Offered on the cavity plate with it is described
The compatible circular groove of forming section；The bolster includes buffer spring and top plate；Described buffer spring one end is fixedly installed on institute
The lower surface of circular groove is stated, the other end is mutually fixedly connected with the top plate.
As a further improvement, the heating electrode includes the electrode upper half and electrode lower half；Plate to be formed is fixed
Between the electrode upper half and electrode lower half and it is bolted.
As a further improvement, the heating member is electrically connected with the heating electrode；The heating member include the first power supply,
First capacitor device, the first power control switch, first capacitor device control switch, the first divider resistance and the first inductance component；Institute
Stating electromagnetic driver includes second source, the second capacitor, second source control switch, the second capacitor control switch, second
Divider resistance and the second inductance component.
A kind of control method of electric current auxiliary selenoid punch press process device, comprising the following steps:
S1: plate to be formed is placed on the cavity plate, and is fixed on the heating electrode；
S2: it is heated by plate to be formed using the heating member discharge current, until plate to be formed
Material reaches glassy state temperature to be processed；
S3: magnetic field is generated by the boosting coil group using electromagnetic driver electric discharge, drives piece described in this magnetic field
The punch-pin high-speed motion is driven to carry out punch press process to plate to be formed by magneticaction；
S4: disconnecting the heating member power supply and the electromagnetic driver power supply, takes out forming plate, completes Blanking Shaping and adds
Work.
As a further improvement, in the S3 step: after the punch-pin blanking movement, the returning spring provides bullet
Power makes the punch-pin be returned to preparation punching position along the guide rod direction.
Compared with prior art, the invention has the following advantages that
1, a kind of electric current auxiliary selenoid punch press process device of the present invention and its control method are added using capacitor repid discharge
Heat can make amorphous alloy plate be heated rapidly to the treatment temperature of glassy state, and the heating of capacitor auxiliary is punched with electromagnetic booster
It combines, by accurately controlling the successive timing of heater circuit and circuit driven by electromagnetic means closure, accurately in amorphous alloy plate
Punch press process is carried out when reaching glassy state treatment temperature, which not only can guarantee heating speed, but also can be reduced process time, can
Solve the problems such as section is nearby worn there are micro-crack, blanking die.
2, there is a kind of electric current auxiliary selenoid punch press process device of the present invention punch press process energy to be easy to accurately control, be punched
The features such as speed is fast, machining accuracy is high improves amorphous alloy part cross section quality.
Detailed description of the invention
Attached drawing 1 is a kind of schematic cross-sectional view of electric current auxiliary selenoid punch press process device of the present invention；
Attached drawing 2 is the circuit diagram of heating member in a kind of electric current auxiliary selenoid punch press process device of the present invention；
Attached drawing 3 is the circuit diagram of electromagnetic driver in a kind of electric current auxiliary selenoid punch press process device of the present invention.
Main element symbol description
Punch-pin 10, fixed part 11, forming section 12,
Cavity plate 20,
Heat electrode 30, the electrode upper half 31, electrode lower half 32,
Punch-pin reply part 40, returning spring 41, guide rod 42, outer fixed frame 43,
Boosting coil group 50,
Driving piece 60,
Guide sleeve 70, flange part 71, guide part 72,
Bolster 80, buffer spring 81, top plate 82,
Heating member 90, the first power supply 91, first capacitor device 92, the first power control switch 93, the control of first capacitor device are opened
Close the 94, first divider resistance 95, inductance component 96,
Electromagnetic driver 100, second source 101, the second capacitor 102, second source control switch 103, the second capacitor
Device control switch 104, the second divider resistance 105, the second inductance component 106,
Plate to be formed 110,
Specific embodiment
To keep the purposes, technical schemes and advantages of embodiment of the present invention clearer, implement below in conjunction with the present invention
The technical solution in embodiment of the present invention is clearly and completely described in attached drawing in mode, it is clear that described reality
The mode of applying is some embodiments of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ability
Domain those of ordinary skill every other embodiment obtained without creative efforts, belongs to the present invention
The range of protection.Therefore, the detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit below and is wanted
The scope of the present invention of protection is sought, but is merely representative of selected embodiment of the invention.Based on the embodiment in the present invention,
Every other embodiment obtained by those of ordinary skill in the art without making creative efforts belongs to this
Invent the range of protection.
In the description of the present invention, it is to be understood that, the orientation or positional relationship of the instructions such as term " on ", "lower" is base
In orientation or positional relationship shown in the drawings, it is merely for convenience of description of the present invention and simplification of the description, rather than indication or suggestion
Signified equipment or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this
The limitation of invention.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The interaction relationship of the connection in portion or two elements.It for the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
Present invention is further described in detail with specific embodiment with reference to the accompanying drawing:
Please refer to figure, in embodiment, a kind of electric current auxiliary selenoid punch press process device, including punch-pin 10, cavity plate 20, two
Heat electrode 30, punch-pin replys part 40, boosting coil group 50, drives piece 60, heating member and electromagnetic driver；Entirely through in this way
Structure, using electric current heating auxiliary selenoid punching by the way of amorphous alloy is processed, punch press process energy is easy to accurate
Control, punching speed is fast, machining accuracy is high.
Referring to FIG. 1, the cavity plate 20 is set to 10 lower section of punch-pin, the punch-pin 10 and cavity plate 20 in embodiment
Ceramic material is all made of to be made；The punch-pin 10 includes fixed part 11 and forming section 12, and entirety is T-shaped on section, specifically,
The fixed part 11 is in rectangular shape, and the forming section 12 is cylindrical and under being vertically installed at the center of the fixed part 11
Side；The forming section 12 and the cavity plate 20 are adapted；It includes returning spring 41, guide rod 42 and outer that the punch-pin, which replys part 40,
Fixed frame 43；The guide rod 42 is described across the inner wall up and down that the fixed part 11 is fixed on the outer fixed frame 43
Returning spring 41 is sheathed on the guide rod 42；Groove portion is provided with below the outer fixed frame 43 so that the forming section 12 stretches out
To realize the punching to plate to be formed 110.
Further, the quantity of the guide rod 42 is four, is set to 12 surrounding of forming section；The returning spring
41 quantity is eight, is respectively sleeved on the guide rod 42 of 11 upper and lower of fixed part；The returning spring 41 can pass through
Up and down motion of the fixed part 11 on 42 direction of guide rod is realized in compression；The device can further include a bottom
Seat, the cavity plate 20 are fixedly installed on pedestal.
In addition to this, further sheathed setting has guide sleeve 70 to be oriented in 12 outside of forming section；The guide sleeve 70 wraps
Include flange part 71 and guide part 72；The flange part 71, which is arranged in parallel and fixes with the fixed part 11, is attached at the outer fixation
On 43 inner wall of frame, when the fixed part 11 moves downward, 11 lower surface of fixed part stops after encountering the flange part 71
Movement, i.e., the thickness size of the described flange part 71 can need process according to plate to be formed 110 number determine accurately to control
Make the stroke of the fixed part 11；The guide part 72 it is parallel with the forming section 12 setting and with the forming section 12 and institute
It states outer 43 phase of fixed frame and is close to setting, the vertical portion 72 can realize the guiding to the forming section 12.
Referring to FIG. 1, the quantity of the boosting coil group 50 is at least one in embodiment；The boosting coil group 50
Including several subcoils；The subcoil is the toroidal winding that red copper wire turns to, and the section of the subcoil is circle
Or rectangle.The driving piece 60 is fixed on 11 top of fixed part；The boosting coil group 50 and the electromagnetic driver electricity
Connection；The boosting coil group 50 is fixedly installed on 43 inner wall of outer fixed frame and faces with the driving piece 60 and sets
It sets；The electromagnetic driver 100 includes second source 101, the second capacitor 102, the 103, second electricity of second source control switch
Container control switch 104, the second divider resistance 105 and the second inductance component 106, the control switch of the electromagnetic driver include
The control switch of the power switch of the electromagnetic driver and the capacitor, the electromagnetic driver are series at boosting coil
Two connectors.Driving piece 60 can be effectively controlled by the magnetic induction of boosting coil group 50 using the design of such structure to transport downwards
It is dynamic, to drive the punch-pin 10 is whole to move downward
Please refer to figure, in embodiment, the heating electrode 30 is fixed on the cavity plate 20, and plate to be formed 110 is fixed
In on the heating electrode 30；The heating electrode 30 includes the electrode upper half 31 and electrode lower half 32；Plate to be formed 110
It is fixed between the electrode upper half 31 and electrode lower half 32 and is bolted, be tightened by bolts and guarantee plate to be formed
Material 110 with contact between electrode well；The heating member is electrically connected with the heating electrode 30；The heating member 90 includes the first electricity
Source 91, first capacitor device 92, the first power control switch 93, first capacitor device control switch 94, the first divider resistance 95 and
One inductance component 96, two copper electrodes, that is, electrode upper half 31 and the electrode lower half up and down of heater circuit connection heating electrode 30
Portion 32.
Referring to FIG. 1, being further provided with a bolster 80 on the cavity plate 20 in embodiment；It is opened on the cavity plate 20
Equipped with circular groove compatible with the forming section 12；The bolster 80 includes buffer spring 81 and top plate 82；The buffering elastic
81 one end of spring is fixedly installed on the lower surface of the circular groove, and the other end is fixedly connected with 82 phase of top plate.Using such knot
Structure can guarantee that blanking process convex mould 10 will not produce plate to be formed 110 since power is excessive under the drive of driving piece 60
Raw excessive pressure, guarantees the machining accuracy of plate to be formed 110.
A kind of control method of electric current auxiliary selenoid punch press process device, comprising the following steps:
S1: plate to be formed is placed on the cavity plate 20, and is fixed on the heating electrode 30；
S2: it is heated by plate to be formed using the heating member discharge current, until plate to be formed
Material reaches glassy state temperature to be processed；
S3: magnetic field is generated by the boosting coil group 50 using electromagnetic driver electric discharge, is driven described in this magnetic field
Piece 60 is driven 10 high-speed motion of punch-pin to carry out punch press process to plate to be formed by magneticaction；
S4: disconnecting the heating member power supply and the electromagnetic driver power supply, takes out forming plate, completes Blanking Shaping and adds
Work.
Specifically, the second electricity being first closed in the first power control switch 93 and electromagnetic driver 100 in heating member 90
Source control switch 103 makes the first power supply 91 in heating member 90, the second source 101 in electromagnetic driver 100 to respective respectively
Capacitor in circuit carries out filling energy；After charging voltage reaches required voltage, charge circuit i.e. 90 He of heating member is turned off
The power control switch of electromagnetic driver 100 and the first capacitor device control switch 94 being closed in heating member 90, make to heat
First capacitor device 92 in part 90 treats punching plate and carries out electric discharge heating, effect of the plate to be punched in capacitor discharge current
Under be heated to after glassy state treatment temperature (this process is generally all completed in several milliseconds), in closed electromagnetic actuator 100
Second capacitor control switch 104 makes second capacitor 102 discharge the boosting coil group 50, the boosting coil
Group 50 generates a high-intensity magnetic field, the driving piece 60 being in magnetic field at this time under the action of the pulse current of capacitor release
The effect for receiving forceful electric power magnetic force pushes down on rapidly the punch-pin 10 of coupled knot and does blanking movement, treats punching plate and is rushed
It cuts out；It is punched part to be located on the top plate 82, separates and fall with the plate after forming under the buffering of buffer spring 81, so far
Complete a complete punch press process.
Further, after 10 blanking movement of punch-pin, the returning spring 41, which provides elastic force, makes the punch-pin
10 are returned to preparation punching position along 42 direction of guide rod for the beginning of blanking movement next time.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent substitution, improvement and etc. done be should be included within the scope of the present invention.
Claims (9)
1. a kind of electric current auxiliary selenoid punch press process device, it is characterised in that: including punch-pin, cavity plate, two heating electrodes, punch-pin
Reply part, boosting coil group, driving piece, heating member and electromagnetic driver；The heating electrode is fixed on the cavity plate, at
Shape plate is fixed on the heating electrode；The punch-pin includes fixed part and forming section；The forming section and the cavity plate phase
Adaptation；It includes returning spring, guide rod and outer fixed frame that the punch-pin, which replys part,；The guide rod passes through the fixed part and fixes
In in the outer fixed frame, the returning spring is sheathed on the guide rod；The driving piece is fixed on the fixed part
Side；The boosting coil group is electrically connected with the electromagnetic driver；The boosting coil group is fixedly installed on the outer fixed frame
Setting is faced on inner wall and with the driving piece；The forming section is pierced by the outer fixed frame to realize to plate to be formed
Punching；Wherein, the plate to be formed is amorphous alloy；The heating member is electrically connected with the heating electrode；The heating member
Including the first power supply, first capacitor device, the first power control switch, first capacitor device control switch, the first divider resistance and
One inductance component；The electromagnetic driver includes second source, the second capacitor, second source control switch, the second capacitor
Control switch, the second divider resistance and the second inductance component.
2. electric current auxiliary selenoid punch press process device according to claim 1, it is characterised in that: the cavity plate is set to institute
It states below punch-pin；The fixed part is in rectangular shape, and the forming section is cylindrical and is vertically installed in the fixed part
Lower section at the heart.
3. electric current auxiliary selenoid punch press process device according to claim 2, it is characterised in that: the quantity of the guide rod
It is four, is symmetrically disposed on the forming section surrounding；The quantity of the returning spring is eight, is respectively sleeved at the fixed part
On the guide rod of upper and lower.
4. electric current auxiliary selenoid punch press process device according to claim 3, it is characterised in that: on the outside of the forming section into
One step is arranged with the guide sleeve of guiding；The guide sleeve includes flange part and guide part；The flange part is parallel with the fixed part
It is arranged and fixation is attached on the outer fixed frame inner wall；The guide part it is parallel with the forming section setting and with it is described at
Mutually it is close to be arranged with the outer fixed frame in shape portion.
5. electric current auxiliary selenoid punch press process device according to claim 1, it is characterised in that: the boosting coil group
Quantity is at least one；The boosting coil group includes several subcoils；The subcoil is the spiral that red copper wire turns to
Pipeline circle, the section of the subcoil are round or rectangle.
6. electric current auxiliary selenoid punch press process device according to claim 1, it is characterised in that: on the cavity plate further
It is provided with a bolster；Circular groove compatible with the forming section is offered on the cavity plate；The bolster includes buffering elastic
Spring and top plate；Described buffer spring one end is fixedly installed on the lower surface of the circular groove, and mutually fixation connects the other end with the top plate
It connects.
7. electric current auxiliary selenoid punch press process device according to claim 6, it is characterised in that: the heating electrode includes
The electrode upper half and electrode lower half；Plate to be formed is fixed between the electrode upper half and electrode lower half and passes through spiral shell
Bolt is fixed.
8. it is a kind of according to claim 1 to 7 any one electric current auxiliary selenoid punch press process device control method, feature
It is, comprising the following steps:
S1: plate to be formed is placed on the cavity plate, and is fixed on the heating electrode；
S2: it is heated by plate to be formed using the heating member discharge current, until plate to be formed reaches
To glassy state temperature to be processed；
S3: magnetic field is generated by the boosting coil group using electromagnetic driver electric discharge, driving piece is by magnetic described in this magnetic field
Power effect drives the punch-pin high-speed motion to carry out punch press process to plate to be formed；
S4: disconnecting the heating member power supply and the electromagnetic driver power supply, takes out forming plate, completes Blanking Shaping processing.
9. the control method of electric current auxiliary selenoid punch press process device according to claim 8, which is characterized in that walked in S3
In rapid: after the punch-pin blanking movement, the returning spring, which provides elastic force, makes the punch-pin along the guide rod side
Position is punched to preparation is returned to.
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| CN201710521107.4A CN107234161B (en) | 2017-06-30 | 2017-06-30 | A kind of electric current auxiliary selenoid punch press process device and its control method |
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| CN201710521107.4A CN107234161B (en) | 2017-06-30 | 2017-06-30 | A kind of electric current auxiliary selenoid punch press process device and its control method |
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| CN107234161B true CN107234161B (en) | 2019-05-28 |
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