CN108723164A - A kind of heat transfer board forming device and manufacturing process - Google Patents
A kind of heat transfer board forming device and manufacturing process Download PDFInfo
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- CN108723164A CN108723164A CN201810503925.6A CN201810503925A CN108723164A CN 108723164 A CN108723164 A CN 108723164A CN 201810503925 A CN201810503925 A CN 201810503925A CN 108723164 A CN108723164 A CN 108723164A
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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
Abstract
The invention discloses a kind of heat transfer board forming device and manufacturing process, device includes electromagnetic driver, mold, power-supply system and flanging unit, electromagnetic driver is located at the top of workpiece to be formed, and flanging unit is located at the edge of workpiece to be formed, and mold is located at below workpiece to be formed；Workpiece to be formed and electromagnetic driver electrical series loop in series, power-supply system provides pulse current for series loop, and electromagnetic driver cooperates close to the contour shape of the shape and intermediate piece after workpiece to be formed region contour shape to be formed or previous step forming of workpiece side to be formed；Power-supply system provides pulse current for series loop, under the action of pulse current, magnetic field is generated around workpiece and electromagnetic driver to be formed, electromagnetic force is generated under magnetic field and workpiece to be formed itself electric current collective effect, so that workpiece to be formed is passed through repeatedly deformation and is become to mold shape.Heat transfer plate uniform force improves the precision of heat transfer plate forming.
Description
Technical field
The invention belongs to part formings to manufacture related field, more particularly, to a kind of heat transfer board forming device and forming
Method.
Background technology
Requirement with people to comfort standard is continuously improved, and radiator, air-conditioning etc. directly heat the heating system of air
It has been difficult to meet the needs of people.Flooring radiation heats as a kind of novel heating system, and superiority has obtained extensively
Approval, and fashionable American-European developed country of Japan and Korea S and all over the world is known as most ideal, state-of-the-art confession by world's HVAC circle
One of warm mode.Its principle is to be passed through circulating hot water toward the heating tubing loop under the floor or floor tile being laid with or be directly laid with fever
Cable, to heating floor, heat by the ground of large area, it is mainly mild to space more than floor in a manner of radiation and
It uniformly distributes, makes one body-sensing by heat according to the dual heat effect with air themperature.
Decide that the distribution of heating tubular heat, excellent heat plate should be tight as the important component heat transfer plate of floor heating
It is close to be contacted with heating pipe, even heat is passed into surrounding.Heat transfer plate on the market mainly has U-shaped and c-type heat transfer plate at present,
As shown in Fig. 1 (a) and Fig. 1 (b), due to U-shaped heat transfer plate from structure than the sky there are bigger between c-type heat transfer plate and heating pipe
Gas gap, so its heat transfer efficiency is lower.But c-type heat transfer plate makes more complicated.Actual heat transfer efficiency also with heat transfer plate table
Face precision is related.
Aluminum heat transfer plate generally uses punching press or multiroll rolling mode to make, and this method is directly made force effect is contacted
With in aluminium panels, effect is limited in scope, and there is the problems such as rebound, first finished surface precision.For this reasons of lower Fig. 2
The heat transfer plate thought, traditional mechanical processing mode are difficult to realize.
Traditional electro-magnetic forming needs are passed through pulse high current in form-wound coil, can incude one in metal sheet to be formed
A vortex for resisting changes of magnetic field, under interacting between magnetic field and vortex, metal sheet to be formed is by a huge electricity
Magnetic force and shape.Since the forming speed of electro-magnetic forming is fast, plastic force is contactless force, there is forming efficiency height, spring back small, table
The advantages such as high-quality, the raising forming limit in face therefore, can be very big if electromagnetic forming technique can apply to the manufacture of heat transfer plate
Ground optimizes the manufacturing process of heat transfer plate, improves its properties of product.
Critical piece of the form-wound coil as traditional electromagnetic forming device, is usually wound in multiturn spiral shape by copper conductor
Shape is processed into similar to cylindrical shape by reinforcing layer such as epoxy, however is limited by reinforcing or shape, make its at
When shape workpiece shapes again, it is difficult to generate uniform electromagnetic force on workpiece, it is not suitable for complex shapes such as deep hole diameter, deep cambers
The forming of shape.In addition, capacitor energy is limited, the forming of traditional electromagnetism single is difficult to reach preferable forming effect.Therefore, such as
What improves the deficiency of traditional electro-magnetic forming, makes it to be applied to asking for the larger non-regular shape forming of the forming such as heat transfer plate difficulty
It inscribes urgently to be resolved hurrily.
Invention content
For the disadvantages described above of the prior art, the present invention provides a kind of heat transfer board forming device and manufacturing process, it is intended to
The sheet material forming to complicated shapes such as this deep hole diameter of heat transfer plate, deep cambers is solved, further expands electromagnetic forming technique light
The application range in alloy heat transfer plate Plastic Forming field.
To achieve the goals above, as one aspect of the present invention, a kind of heat transfer board forming device is provided, including：
Electromagnetic driver, mold, power-supply system and flanging unit；
The electromagnetic driver is located at the top of workpiece to be formed；The flanging unit is located at the side of workpiece to be formed
Edge, for constraining workpiece to be formed, in order to avoid bounced in corrugation and forming process；The mold is located at below workpiece to be formed,
To constrain the shape of component shaping to be formed；The electromagnetic driver and workpiece to be formed electrical series loop in series,
The workpiece to be formed can arbitrary conductive metallic material；Power-supply system provides pulse current for the series loop, electricity
Shape of the magnetic driven device close to workpiece side to be formed is shaped with workpiece to be formed region contour shape to be formed or previous step
The contour shape of intermediate piece cooperates afterwards；
Power-supply system provides pulse current for series loop, and under the action of pulse current, workpiece to be formed drives with electromagnetism
Magnetic field is generated around dynamic device, electromagnetic force is generated under magnetic field and workpiece to be formed itself electric current collective effect, keeps workpiece to be formed logical
Repeatedly deformation is crossed to become to mold shape.
Preferably, electromagnetic driver includes multiple single step electromagnetic drivers, the quantity of single step electromagnetic driver with it is to be formed
Component shaping step number is identical.
Preferably, single step electromagnetic driver is single layer single-turn circular coil form, and electromagnetic driver includes skeleton and pasted with skeleton
The sheet metal of conjunction, skeleton buffer the repulsive force that sheet metal is subject to when heat transfer plate shapes for fixing and supporting sheet metal.
Preferably, single step electromagnetic driver be single layer, multi-turn coil form, electromagnetic driver by skeleton, be around on skeleton
Reinforcing layer outside helical winding and cladding helical winding is constituted, and reinforcing layer prevents coil for reinforcing helical winding
Deformation.
Preferably, the power-supply system includes charge power supply, capacitor, discharge switch and charge switch, charge power supply
One end is connected by charge switch with capacitor, and the other end is directly connected with capacitor, and capacitor one end is same by discharge switch
Electromagnetic driver, the capacitor other end with directly being connected with workpiece to be formed, fill by charge power supply, capacitor and charge switch composition
Electrical circuit, capacitor, discharge switch, electromagnetic driver and workpiece to be formed constitute discharge loop, realize and carried to electromagnetic driver
For pulse current.
Preferably, heat transfer board forming device further includes magnetic field units, for generating magnetic between electromagnetic driver and mold
, make the heat transfer plate to be formed of energization by the additional electro-magnetic forming power to mould cavity direction.
Preferably, flanging unit is coated on the outside of electromagnetic driver, and flanging unit material is magnetic shielding material, and being used for will
Magnetically confined improves the electromagnetic force acted on workpiece to be formed in the inner space of workpiece to be formed and electromagnetic driver.
As another aspect of the present invention, the present invention provides a kind of heat transfer plate manufacturing process, includes the following steps：
Step 1：Workpiece to be formed is placed on above mold, the single step electromagnetism to match with workpiece shapes to be formed is driven
Dynamic device is installed on above workpiece to be formed, and electromagnetic driver and workpiece the same end to be formed, electromagnetic drive are connected by conductive electrode
Device and the workpiece other end to be formed connect forming circuit with power-supply system, then fix workpiece and electromagnetism to be formed with flanging unit and drive
Dynamic device；
Step 2：It is charged to capacitor by power supply, to electromagnetic driver and workpiece structure to be formed after capacitor charging complete
At series loop electric discharge generate magnetic field around workpiece and electromagnetic driver to be formed under the action of pulse current, magnetic field and
Electromagnetic force is generated under workpiece to be formed itself electric current collective effect, workpiece to be formed deforms under the driving of electromagnetic force；
Step 3：Judge whether component shaping to be formed is bonded with mold, if so, stopping forming, is waited for after being shaped
Forming Workpiece, if it is not, selection and the matched single step electromagnetic driver of workpiece last time shaping form to be formed, and enter step 1.
Preferably, further include following steps after the workpiece to be formed after being shaped：
Workpiece to be formed is placed between the single step electromagnetic driver and mold consistent with the target shape of workpiece to be formed,
Workpiece to be formed after forming is carried out compared with shape, so that workpiece to be formed obtains the precision of higher forming.
Compared with prior art, the invention has the advantages that：
1, heat transfer board forming device provided by the invention, electromagnetic driver close to workpiece side to be formed shape and wait for into
Shape workpiece shapes cooperate, and when forming heat transfer plate shapes, heat transfer plate is bonded to each other with electromagnetic driver so that heat transfer plate is processed
Gap uniformity is distributed between region and electromagnetic driver so that heat transfer plate uniform force.
2, in single layer single turn electromagnetic driver provided by the invention, skeleton fixes and supports sheet metal, keeps single layer single turn electric
Magnetic driven device is indeformable so that electromagnetic force is uniformly distributed between heat transfer plate machining area and electromagnetic driver so that heat transfer plate by
Power is uniform, improves the service life of sheet metal.In single layer, multi-turn electromagnetic driver, reinforcing layer and skeleton fix spiral line simultaneously
Circle keeps the shape of single layer, multi-turn electromagnetic driver so that heat transfer plate uniform force improves the service life of coil.
3, a part of the workpiece to be formed as discharge loop, the high current flowed through on heat transfer plate are produced with coil magnetic field effect
Raw huge electromagnetism power drive heat transfer plate deforms upon, and compared with traditional electro-magnetic forming, also has to low electric conductivity metal enough
Driving force makes its forming.
4, heat transfer plate flows through " electro plasticity " effect of electric current generation and Joule heat greatly improves the forming pole of heat transfer plate
Limit, it is possible to reduce curring time improves the patch mould of heat transfer plate according to the multiple forming of expected shaping form design, can be with
Complicated shape is shaped, is greatly expanded electromagnetic forming technique in multi-field application.
5, using workpiece to be formed and the concatenated mode of electromagnetic driver, building mortion only needs a set of power supply, improves into
The reliability of shape system.
6, single step electromagnetic driver has two kinds of forms of helical winding and single layer single-turn circular coil of single layer, multi-turn.Multiturn form
For the forming of high-yield strength heat transfer plate or large scale heat transfer plate, single turn form is used for low yield strength heat transfer plate or small size
The forming of heat transfer plate.
Description of the drawings
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments：
Fig. 1 (a) is the structural schematic diagram of U-shaped heat transfer plate, and Fig. 1 (b) is the structural schematic diagram of c-type heat transfer plate；
Fig. 2 is the structural schematic diagram of desired heat transfer plate；
Fig. 3 is the heat transfer board forming device schematic diagram of single turn electromagnetic driver form provided by the invention；
Fig. 4 is the heat transfer board forming device schematic diagram of multiturn electromagnetic driver form provided by the invention；
Fig. 5 is the current loop and stress diagram of heat transfer plate and single turn electromagnetic driver；
Fig. 6 is the current loop and stress diagram of heat transfer plate and multiturn electromagnetic driver；
Fig. 7-a are the forming schematic diagram of step 1 in multiple manufacturing process；Fig. 7-b be multiple manufacturing process in step 2 at
Shape schematic diagram；Fig. 7-c are the forming schematic diagram that step 1 is repeated in multiple manufacturing process；Fig. 7-d are to be repeated in multiple manufacturing process
The forming results schematic diagram of step 2；Fig. 7-e are workpiece to be formed compared with shape schematic diagram；Fig. 7-f are the heat transfer plate finally shaped；
Fig. 8 is heat transfer plate matching background magnetic field and the lower electro-magnetic forming schematic diagram of electromagnetic driver effect；
Fig. 9 is the building mortion schematic diagram of once-forming polylith heat transfer plate；
Figure 10 is the building mortion that electromagnetic driver provided by the invention coordinates conductive flanging unit.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.As long as in addition, technical characteristic involved in the various embodiments of the present invention described below
It does not constitute a conflict with each other and can be combined with each other.
Embodiment one
As shown in figure 3, heat transfer board forming device is by power-supply system 1, single turn electromagnetic driver 2, flanging unit 3, conductive electrode 4
It is formed with mold 5.Single layer single turn electromagnetic driver 2 includes sheet metal 2-1-1 and skeleton 2-2, sheet metal 2-1-1 and skeleton 2-2
It is bonded to each other.Single layer single turn electromagnetic driver includes multiple single step electromagnetic drivers, and the quantity of single step electromagnetic driver is according to waiting for
Forming Workpiece shapes step number and determines that component shaping step number to be formed is according to actual needs such as Forming depth, the shapes of component shaping
It determines.Single step electromagnetic driver close to workpiece side to be formed shape and workpiece to be formed region contour shape to be formed or
The contour shape of intermediate piece cooperates after previous step forming.After single layer single turn electromagnetic driver 2 and mold 5 match, respectively
It is positioned over the upper and lower side of workpiece 6 to be formed, workpiece 6 to be formed is connected with single layer single turn electromagnetic driver 2 by conductive electrode 4,
Vacant both ends are connect with 1 discharge end of power-supply system after series connection, and flanging unit 3 treats Forming Workpiece and single layer single turn electromagnetic driver
2 are fixed.
Single layer single turn electromagnetic driver 2 treats Forming Workpiece 6 and carries out current loop when electromagnetism repeatedly shapes and stress feelings
Condition is as shown in Figure 5.When capacitor discharges to discharge loop, sheet metal flows through electric current I1 in single layer electromagnetic driver 2, to be formed
Workpiece 6 flows through electric current I2, and since single layer electromagnetic driver 2 is connected with workpiece 6 to be formed, I1 is equal in magnitude with I2, direction on the contrary,
According to Ampere's law and left hand rule it is found that the two effect generates mutually exclusive electromagnetic force, workpiece 6 to be formed is by towards mold
The electromagnetic force F in cavity direction, electromagnetic force F are more than the yield strength of workpiece 6 to be formed, and heat transfer plate 6 is plastically deformed, and in mould
It is deformed into anticipated shape under the control for having cavity shape.
Shape due to single layer single turn electromagnetic driver close to workpiece side to be formed is shaped with the workpiece last time to be formed
The contour shape of intermediate piece cooperates afterwards, and during component shaping to be formed, single layer single turn electromagnetic driver is to heat transfer
Plate uniform force improves the forming quality of heat transfer plate.Meanwhile single layer single turn electromagnetic driver can simplify electromagnetic driver knot
Structure, and be not present coil turn-to-turn electromagnetic force, improve the electromagnetic driver service life, be more easy to complicated shape carry out electromagnetism repeatedly at
Shape.
The sheet metal form of electromagnetic driver is not limited to rectangle, rectangle, the combination of racetrack or any flat shape,
Parallel with workpiece to be formed for design standard with the nearly die face of coil, the shape of skeleton and reinforcing layer is set according to sheet metal form
Meter, and to be constituted similar to the insulating materials of epoxy resin.
Embodiment two
Correspondingly, the present invention also proposes a kind of based on the above-mentioned hot heat transfer plate manufacturing process for passing board forming device, including with
Lower step：
Step 1：Workpiece to be formed is reasonably placed on above mold, single step electromagnetic drive is selected according to shaping form
Device is located and is installed on above workpiece to be formed, connects single step electromagnetic driver by conductive electrode and workpiece to be formed is same
End, the other end connect forming circuit with power-supply system, then fixes workpiece to be formed and single step electromagnetic driver with flanging unit.
Step 2：It is charged to capacitor by power-supply system, to single step electromagnetic driver and waiting for into after capacitor charging complete
Shape workpiece electrical discharge, single step electromagnetic driver generate pulsed magnetic field, and through-flow workpiece to be formed is transported under the action of electromagnetic force to mold
Movable property life plastic deformation.
Step 3：Intermediate work after selecting side to be same as above one step forming according to design early period and the practical forming effect of previous step
The single step electromagnetic driver that part matches, is fixed with flanging unit, and capacitor charging shapes heat transfer plate after discharging again again,
Make workpiece to be formed closer to mold.
Step 4：Step 3 is repeated, until component shaping to be formed is anticipated shape.
Step 5：For the high workpiece to be formed of surface accuracy, design final step processing can be gone according to the shape of mold
The shape of single step electromagnetic driver is treated Forming Workpiece and is carried out compared with shape.
The multiple manufacturing process step of electromagnetism in above-described embodiment is described in detail in conjunction with attached drawing 7：
Step 1：As shown in Fig. 7-a, workpiece 6-0 to be formed is positioned over 5 top of mold, by single turn electromagnetic driver 2-6-1
Above workpiece 6-0 to be formed, workpiece 6-0 to be formed is connected with electromagnetic driver 2 by conductive electrode 4, it is empty after series connection
Remaining both ends are connect with the discharge end of power-supply system 1, then fix workpiece 6-0 and single turn electromagnetic driver to be formed with flanging unit 3
2-6-1。
Step 2：As shown in Fig. 7-b, charged to capacitor by power supply, to single turn electromagnetic drive after capacitor charging complete
Device 2-6-1 and workpiece 6-0 to be formed electric discharges, single turn electromagnetic driver 2-6-1 generate pulsed magnetic field, the electricity of workpiece 6-0 to be formed
Workpiece 6-1 to be formed among first is plastic deformation under the action of magnetic force.
Step 3：As shown in Fig. 7-c, single turn electromagnetic driver 2-6-2 is replaced according to the shape of the first intermediate piece 6-1, and
Single turn electromagnetic driver 2-6-2, the first intermediate heat plate 6-1 and power-supply system 1 are connected by conductive electrode 4, with flanging unit 3
It is fixed, capacitor charging, discharge again after so that the first intermediate heat plate 6-1 is configured to the second intermediate piece 6- shown in Fig. 7-d
2。
Step 4：As shown in Fig. 7-e, 2-6-3 pairs of single step electromagnetic driver is replaced according to the shape of the second intermediate piece 6-2
Second intermediate piece 6-2 completes final shaping, by conductive electrode 4 by single step electromagnetic driver 2-6-3, the second intermediate piece 6-
2 and power-supply system 1 connect, with flanging unit 3 fix, capacitor charging discharge again after so that the second intermediate piece 6-2 is configured to
Heat transfer plate shaping form 6-3.
Embodiment three
The difference of the present embodiment and specific embodiment one is：The present embodiment uses single layer, multi-turn electromagnetic driver.It is more
The heat transfer board forming device of circle electromagnetic driver form is as shown in Figure 4.Single layer, multi-turn electromagnetic driver 2 is spiral by single layer, multi-turn
Coil 2-1-2, skeleton 2-2 and reinforcing layer 2-3 compositions, single layer, multi-turn helical winding 2-1-2 are wound on skeleton 2-2, reinforce
Layer 2-3 is around in outside single layer, multi-turn helical winding 2-1-2, and reinforcing layer prevents helical winding from becoming for reinforcing helical winding
Shape.The skeleton or reinforcing layer is the insulating materials composition similar to epoxy resin.Under identical molding condition, single layer, multi-turn
Electromagnetic driver can provide the electro-magnetic forming power than single layer single turn electromagnetic driver bigger, can or surrender larger with forming dimension
The plate of intensity bigger.
Single layer, multi-turn electromagnetic driver 2 treat the current loop that Forming Workpiece is formed and stressing conditions as shown in fig. 6,
Since single layer, multi-turn electromagnetic driver 2 is connected with workpiece 6 to be formed, the two is equal by size of current, and direction is on the contrary, to be formed
Workpiece 6 is moved generation plastic deformation by the electromagnetic force repelled to mould cavity.Single layer, multi-turn electromagnetic driver is to work to be formed
The multiple forming process of electromagnetism of part is same as the specific embodiment one.
Example IV
The present embodiment is with the difference for implementing one or embodiment three：Present embodiment spatially has powerful connections magnetic
, as shown in Figure 8.It is the background magnetic field that workpiece 6 to be formed provides proper orientation, the workpiece to be formed of energization according to left hand rule
6 by the additional electro-magnetic forming power to mould cavity direction so that heat transfer plate is under background magnetic field and electromagnetic driver effect
Forming, to improve the forming efficiency and the limit that electromagnetism repeatedly shapes.Example IV provide heat transfer board forming device specifically at
Shape process is identical as embodiment one.
Embodiment five
Present embodiment is with the difference for implementing one or embodiment three：As shown in figure 9, the mold of present embodiment
5 have a plurality of cavities, and the contour shape of cavity is identical with the contour shape of workpiece to be formed, can with once-forming polylith heat transfer plate,
The once-forming polylith heat transfer plate of building mortion, cavity size are not limited to same size, in a certain range can arbitrary value, into one
Step improves forming efficiency.The specific forming process of heat transfer board forming device that embodiment five provides is identical as embodiment one.
Embodiment six
As shown in Figure 10, present embodiment with implement one or embodiment three the difference lies in that flanging unit material is
High conductive material, such as copper, aluminium, and flanging unit is paperwrapped in outside electromagnetic driver, flanging unit outer edge is located to be formed
The edge of workpiece.Between flanging unit and workpiece to be formed and between flanging unit and electromagnetic driver, applied by itself
Fill insulant keeps electric insulation, flanging unit to be on the one hand used to constrain workpiece to be formed in insulating materials or gap,
So as not to corrugation and forming process in bounce, another convenience, flanging unit be used as magnetic masking layer, in this way can further by magnetic field about
Beam makes the electromagnetic force on workpiece to be formed further increase in the inner space of workpiece to be formed and electromagnetic driver.
As it will be easily appreciated by one skilled in the art that the foregoing is merely illustrative of the preferred embodiments of the present invention, not to
The limitation present invention, all within the spirits and principles of the present invention made by all any modification, equivalent and improvement etc., should all include
Within protection scope of the present invention.
Claims (9)
1. a kind of heat transfer board forming device, which is characterized in that including：Electromagnetic driver, mold, power-supply system and flanging unit；
The electromagnetic driver is located at the top of the workpiece to be formed；The flanging unit is located at the edge of workpiece to be formed,
For constraining workpiece to be formed, in order to avoid bounced in corrugation and forming process；The mold is located at below workpiece to be formed, with constraint
The shape of the component shaping to be formed；Workpiece to be formed and electromagnetic driver electrical series loop in series, the power supply
System provides pulse current for the series loop, electromagnetic driver close to workpiece side to be formed shape with it is described to be formed
The contour shape of intermediate piece cooperates after workpiece region contour shape to be formed or previous step forming；
The power-supply system provides pulse current for the series loop, under the action of pulse current, workpiece to be formed and electricity
Magnetic field is generated around magnetic driven device, is generated electromagnetic force under the magnetic field and workpiece to be formed itself electric current collective effect, is made to wait for into
Shape workpiece is by repeatedly deforming to the mold shape.
2. heat transfer board forming device as described in claim 1, which is characterized in that the electromagnetic driver includes multiple single step electricity
Magnetic driven device, the quantity of single step electromagnetic driver are identical as component shaping step number to be formed.
3. heat transfer board forming device as claimed in claim 1 or 2, which is characterized in that the single step electromagnetic driver is single layer
Single-turn circular coil form, electromagnetic driver include skeleton and the sheet metal that is bonded with skeleton, skeleton for fixing and supporting sheet metal,
And the repulsive force that sheet metal is subject to when buffering heat transfer plate forming.
4. heat transfer board forming device as claimed in claim 1 or 2, which is characterized in that single step electromagnetic driver is single layer, multi-turn
Coil form, electromagnetic driver is by the reinforcing layer outside skeleton, the helical winding being around on skeleton and cladding helical winding
It constitutes, reinforcing layer prevents the winding deformation for reinforcing helical winding.
5. as Claims 1-4 any one of them is conducted heat board forming device, which is characterized in that the power-supply system includes
Charge power supply, capacitor, discharge switch and charge switch, charge power supply one end is connected by charge switch with capacitor, another
End is directly connected with capacitor, and by the same electromagnetic driver of discharge switch, the capacitor other end is directly same to be waited for into for capacitor one end
Shape workpiece connects；
Charge power supply, capacitor and charge switch constitute charge circuit, capacitor, discharge switch, electromagnetic driver and to be formed
Workpiece constitutes discharge loop, realizes to electromagnetic driver and workpiece to be formed and provides pulse current.
6. such as heat transfer board forming device described in any one of claim 1 to 5, which is characterized in that heat transfer board forming device also wraps
Magnetic field units are included, for generating magnetic field between electromagnetic driver and mold, make the heat transfer plate to be formed of energization by additional
To the electro-magnetic forming power in mould cavity direction.
7. such as claim 1 to 6 any one of them heat transfer board forming device, which is characterized in that the flanging unit is coated on
On the outside of electromagnetic driver, and flanging unit material is magnetic shielding material, for driving magnetically confined in workpiece to be formed and electromagnetism
The inner space of dynamic device, improves the electromagnetic force acted on workpiece to be formed.
8. a kind of heat transfer plate manufacturing process, which is characterized in that include the following steps：
Step 1：Workpiece to be formed is placed on above mold, the single step electromagnetic driver that will be matched with workpiece shapes to be formed
Be installed on above workpiece to be formed, electromagnetic driver and workpiece the same end to be formed connected by conductive electrode, electromagnetic driver and
The workpiece other end to be formed connect forming circuit with power-supply system, then fixes workpiece to be formed and electromagnetic drive with flanging unit
Device；
Step 2：It is charged to capacitor by power supply, electromagnetic driver and workpiece to be formed is constituted after capacitor charging complete
Series loop is discharged, and under the action of pulse current, generates magnetic field around workpiece and electromagnetic driver to be formed, the magnetic field and
Electromagnetic force is generated under workpiece to be formed itself electric current collective effect, the workpiece to be formed becomes under the driving of electromagnetic force
Shape；
Step 3：Judge whether component shaping to be formed is bonded with mold, if so, stop forming, it is to be formed after being shaped
Workpiece, if it is not, selection and the matched single step electromagnetic driver of workpiece last time shaping form to be formed, and enter step 1.
9. heat transfer plate manufacturing process as claimed in claim 8, which is characterized in that after the workpiece to be formed after being shaped
Further include following steps：
Workpiece to be formed is placed between the single step electromagnetic driver and mold consistent with the target shape of workpiece to be formed,
Workpiece to be formed after the forming is carried out compared with shape, so that the workpiece to be formed obtains the precision of higher forming.
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| CN109433823A (en) * | 2018-11-08 | 2019-03-08 | 燕山大学 | A kind of rolling device and method based on Hall effect preparation functionally graded material |
| CN110560547A (en) * | 2019-08-14 | 2019-12-13 | 武汉理工大学 | metal plate uniform-pressure electromagnetic forming device and method under action of anisotropic current |
| CN110686976A (en) * | 2019-11-18 | 2020-01-14 | 湖南沃尔丁科技有限公司 | Electromagnetic force driven metal sheet high-speed forming limit testing device |
| CN111468588A (en) * | 2020-04-13 | 2020-07-31 | 三峡大学 | Workpiece forming control method based on simulation optimization and used for separating electromagnetic force of workpiece |
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| CN109433823A (en) * | 2018-11-08 | 2019-03-08 | 燕山大学 | A kind of rolling device and method based on Hall effect preparation functionally graded material |
| CN110560547A (en) * | 2019-08-14 | 2019-12-13 | 武汉理工大学 | metal plate uniform-pressure electromagnetic forming device and method under action of anisotropic current |
| CN110686976A (en) * | 2019-11-18 | 2020-01-14 | 湖南沃尔丁科技有限公司 | Electromagnetic force driven metal sheet high-speed forming limit testing device |
| CN111468588A (en) * | 2020-04-13 | 2020-07-31 | 三峡大学 | Workpiece forming control method based on simulation optimization and used for separating electromagnetic force of workpiece |
| CN111468588B (en) * | 2020-04-13 | 2021-10-01 | 三峡大学 | Workpiece forming control method based on simulation optimization and used for separating electromagnetic force of workpiece |
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