CN109986076A - A kind of ceramic particle enhancing electromagnetism hot pressed powder forming device and method - Google Patents
A kind of ceramic particle enhancing electromagnetism hot pressed powder forming device and method Download PDFInfo
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- CN109986076A CN109986076A CN201910272829.XA CN201910272829A CN109986076A CN 109986076 A CN109986076 A CN 109986076A CN 201910272829 A CN201910272829 A CN 201910272829A CN 109986076 A CN109986076 A CN 109986076A
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- 239000000919 ceramic Substances 0.000 title claims abstract description 62
- 239000002245 particle Substances 0.000 title claims abstract description 61
- 239000000843 powder Substances 0.000 title claims abstract description 42
- 238000000034 method Methods 0.000 title abstract description 17
- 230000002708 enhancing effect Effects 0.000 title abstract description 12
- 238000010438 heat treatment Methods 0.000 claims abstract description 16
- 230000009471 action Effects 0.000 claims abstract description 10
- 229910052751 metal Inorganic materials 0.000 claims description 35
- 239000002184 metal Substances 0.000 claims description 35
- 239000000463 material Substances 0.000 claims description 23
- 239000003990 capacitor Substances 0.000 claims description 16
- 238000004146 energy storage Methods 0.000 claims description 15
- 238000004519 manufacturing process Methods 0.000 claims description 15
- 239000011812 mixed powder Substances 0.000 claims description 15
- 230000005611 electricity Effects 0.000 claims description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 239000002131 composite material Substances 0.000 description 14
- 230000009286 beneficial effect Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000005672 electromagnetic field Effects 0.000 description 4
- 238000004134 energy conservation Methods 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 4
- 230000006872 improvement Effects 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 3
- 230000001939 inductive effect Effects 0.000 description 2
- 238000005272 metallurgy Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000012254 powdered material Substances 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910001208 Crucible steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000000498 ball milling Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 239000010431 corundum Substances 0.000 description 1
- 229910000939 field's metal Inorganic materials 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- 229920005989 resin Polymers 0.000 description 1
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- 230000003068 static effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/02—Compacting only
- B22F3/03—Press-moulding apparatus therefor
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Press-Shaping Or Shaping Using Conveyers (AREA)
Abstract
It include: rack, mold, two formed punches, electromagnetic heating coil and an at least electromagnetic drive unit the present invention relates to a kind of ceramic particle enhancing electromagnetism hot pressed powder forming device and method, described device；Mold edge left and right has edge left and right to extension and perforative forming cavity to rack is installed on；For two formed punches along left and right to being oppositely arranged and two opposite ends are slidably mounted on the corresponding inner sidewall in both ends of forming cavity, two formed punches and forming cavity limit working chamber jointly；Electromagnetic heating coil is set around mold periphery to heat to working chamber；An at least electromagnetic drive unit includes: electro-magnetic forming coil, electromagnetic driver and discharge circuit；The output end of discharge circuit is electrically connected with electro-magnetic forming coil, electromagnetic driver power intake is set to the electromagnetic action region of electro-magnetic forming coil, the outer end of the power output end of electromagnetic driver and one of two formed punches is drivingly connected two formed punches of driving and draws close, and forms shape into the ceramic particle pressure that will be filled in advance in working chamber.
Description
Technical field
The present invention relates to field of powder metallurgy more particularly to a kind of ceramic particle enhancing electromagnetism hot pressed powder forming device and
Method.
Background technique
Key components and parts one of of the bullet train brake disc as braking system are the important guarantors of railway system's safe operation
Barrier.Improving train braking material property and reducing brake material specific gravity is to further realize bullet train high speed and light-weighted
The only way which must be passed.Compared to cast steel class brake disc, although forged steel class brake disc has certain improvement in intensity, toughness, in train
There is also certain limitations in terms of speed and lightweight.For this purpose, being dedicated to developing the novel high property of High-tenacity high-strength lightweight both at home and abroad
Energy brake disc, wherein mainly having aluminium alloy based composites and carbon ceramic composite material etc..Particle-reinforced method because technical process is simple,
Production cost is low, and becomes the important means of metal-base composites preparation.Currently, the preparation of particle enhanced aluminum-based composite material
Method mainly has: paddling process, method of impregnation, spray deposition, in-situ compositing and powder metallurgic method etc..Wherein powder metallurgical technique
It is more mature, it is the important means for preparing composite material.There are the causes of metal-base composites green compact for existing power metallurgy equipment
The problems such as density is difficult to control, and production efficiency is low.
Summary of the invention
In order to solve existing power metallurgy equipment, there are metal-base composites green compact consistency to be difficult to control, production effect
The problems such as rate is low.The present invention provides a kind of ceramic particle enhancing electromagnetism hot pressed powder forming device.
The technical scheme to solve the above technical problems is that
A kind of ceramic particle enhancing electromagnetism hot pressed powder forming device, including rack, mold, two formed punches, electromagnetic heating line
Circle and an at least electromagnetic drive unit；
The mold is along left and right to being installed on the rack and the mold has along left and right to extending and perforative forming
Chamber；
Two formed punch is along left and right to being oppositely arranged, and two opposite ends of two formed punch are slidably mounted on the forming cavity
The corresponding inner sidewall in both ends, two formed punch and the forming cavity limit working chamber jointly；
The electromagnetic heating coil is set around the mold periphery to heat to the working chamber；
Each electromagnetic drive unit includes: electro-magnetic forming coil, electromagnetic driver and discharge circuit；Each institute
It states in electromagnetic drive unit, the output end of the discharge circuit is electrically connected with the electro-magnetic forming coil, the electromagnetic driver
Power intake be set to the electromagnetic action region of the electro-magnetic forming coil, the power output end of the electromagnetic driver and institute
The outer end for stating one of two formed punches is drivingly connected, described in driving under the action of the electromagnetic force generated as the electro-magnetic forming coil
Two formed punches are drawn close, and form shape into will be filled at the indoor ceramic particle pressure of forming in advance.
The beneficial effects of the present invention are: being heated by electromagnetic heating coil to die forming room, discharge circuit is to electricity
Magnetic forming coil discharge generates electromagnetism power drive electromagnetic driver and then two formed punches high speed is driven to draw close simultaneously compacting tool set working chamber
In the ceramic particle reinforced metal base dusty material that is heated, so that obtaining has the lightweight of high-compactness and high-wearing feature compound
Material parts green compact can be realized the ceramic particle reinforced metal base composites electromagnetism hot pressed powder forming of high quality, work
Stablize, reproducible, high production efficiency, be easy to implement automated production, energy conservation and environmental protection has wide development and application prospect.
Based on the above technical solution, the present invention can also be improved as follows:
At least one electromagnetic drive unit includes left electromagnetic drive unit and right electromagnetic drive unit；The two formed punches packet
Left formed punch and right formed punch are included, the left side of the electromagnetic driver in the left electromagnetic drive unit and the left formed punch drives
It connects, the right side of the electromagnetic driver and the right formed punch in the right electromagnetic drive unit is drivingly connected.
Beneficial effect using above-mentioned further scheme is:
An at least electromagnetic drive unit is set as left electromagnetic drive unit and right electromagnetic drive unit, so that the mold
Forming it is indoor be heated ceramic particle reinforced metal base dusty material the mold the left and right sides can simultaneously it is described
Left electromagnetic drive unit and the right electromagnetic drive unit apply pressure, ensure that ceramic particle reinforced metal base powder is made zero
Part green compact consistency can further enhance, and the enough preferably guarantees of part green compact performance uniform in material.
Based on the above technical solution, the present invention can also be improved as follows:
The discharge circuit in each electromagnetic drive unit includes: high-voltage DC power supply, high-voltage energy storage capacitor
And discharge switch, the high-voltage energy storage capacitor is in parallel with the high-voltage DC power supply, and the electro-magnetic forming coil is put with described
It is in parallel with the high-voltage energy storage capacitor after electric switch series connection.
Beneficial effect using above-mentioned further scheme is:
The discharge circuit uses high-voltage DC power supply and high-voltage energy storage capacitor, before discharge switch connection, high pressure
Storage capacitor is charged by the high-voltage DC power supply, and after discharge switch connection, the electric energy of high-voltage energy storage capacitor is quickly converted to
The flash electromagnetic field of electro-magnetic forming coil relatively incudes by force magnetic so that generating inductive loop in metal electromagnetic driver and then generating
, the flash electromagnetic field and the stronger induced magnetic field metal electromagnetic driver can be generated moment compared with
Big electromagnetic force can preferably guarantee part green compact consistency.
Based on the above technical solution, the present invention can also be improved as follows:
The electromagnetic driver in each electromagnetic drive unit includes metal by magnetic sheet and force transmitting board, the gold
Belong to and being arranged in parallel by magnetic sheet and plane where the electro-magnetic forming coil, the force transmitting board is by the metal by the middle part court of magnetic sheet
It is extended to the mold.
Beneficial effect using above-mentioned further scheme is:
The electromagnetic driver is divided into metal by magnetic sheet and force transmitting board so that the total quality of the electromagnetic driver compared with
Gently, readily available high speed impact realizes connection formed punch to the indoor ceramic particle reinforced metal base powder of the die forming
Material generates biggish impulse force, not only saves Material Cost and ensure that part green compact forming effect.
Based on the above technical solution, the present invention can also be improved as follows:
Plane where the force transmitting board in each electromagnetic drive unit is parallel to the electro-magnetic forming coil is cut
Area is in gradually small setting from the electro-magnetic forming coil to the mold direction.
Beneficial effect using above-mentioned further scheme is:
It can preferably receive from the metal by the driving force of magnetic sheet and be transmitted to institute's driving force concentration
The formed punch, and the sectional area setting as above reduced, so that the inside of the force transmitting board is by stress even variation when punching press, nothing is answered
Power sudden change region preferably ensure that the service life of the force transmitting board.
Based on the above technical solution, the present invention can also be improved as follows:
The rack includes being set to the mold two sides and the sliding slot extended in the same direction with the forming cavity up and down, Mei Yisuo
State the force transmitting board in electromagnetic drive unit and/or the metal by magnetic sheet upper and lower sides along the forming cavity extending direction
It is slidably mounted on the sliding slot.
Beneficial effect using above-mentioned further scheme is:
The setting of the sliding slot convenient for the force transmitting board and/or the metal by sliding of the magnetic sheet in the rack more
Stablize, further ensures the continuous success rate that part green compact is made of the present apparatus, improve the reliability of the present apparatus.
Based on the above technical solution, the present invention can also be improved as follows:
Grating sensor is installed, the grating sensor is believed to receive the position of the force transmitting board on the sliding slot
Number.
Beneficial effect using above-mentioned further scheme is:
The use of the grating sensor is convenient for using peripheral equipment preferably by the motion process of the electromagnetic driver
It is recorded, is analyzed convenient for the subsequent improvement to technique.
Based on the above technical solution, the present invention can also be improved as follows:
The material of the force transmitting board is No. 45 steel.
Beneficial effect using above-mentioned further scheme is:
While enabling the force transmitting board to have higher-strength and Material Cost is lower.
Based on the above technical solution, the present invention can also be improved as follows:
The material of two formed punch is SKD11 mould steel.
Beneficial effect using above-mentioned further scheme is:
So that the hardness of two formed punch is high, good toughness, and it is not easy to crack, it ensure that and part green compact table is made using the present apparatus
The smoothness in face.
The present invention also provides a kind of ceramic particles to enhance electromagnetism hot pressed powder manufacturing process, using ceramics described above
Grain enhancing electromagnetism hot pressed powder forming device, the ceramic particle enhancing electromagnetism hot pressed powder manufacturing process include the following steps:
S1. it will be filled in the forming cavity of mold by pretreated ceramic particle mixed powder A；
S2., two formed punches are assemblied in the two-port of the forming cavity respectively, and mixed to the ceramic particle by two formed punches
It closes powder A and carries out precompressed in the forming cavity of mold；
S3., electromagnetic driver is resetted on the rack and is set the running parameter of discharge circuit；
S4. it is powered to load coil, to be heated to the ceramic particle mixed powder A in the forming cavity
Ceramic particle mixed powder A1 is obtained to preset temperature；
S5. it is closed discharge circuit, electro-magnetic forming coil is powered, in the electromagnetic force generated by the electro-magnetic forming coil
The lower driving of effect two formed punch is drawn close, into ceramic particle mixed powder A1 pressure is formed part green compact；S6. it disconnects and putting
Circuit, two formed punches described in removal, takes out the part green compact, clears up the forming cavity wall.
Die forming room is heated by electromagnetic heating coil, discharge circuit generates electro-magnetic forming coil discharge
Electromagnetism power drive electromagnetic driver and then the ceramic particle for driving two formed punches high speed to draw close and be heated in compacting tool set working chamber
Enhance metal base powder material, so that the light composite material part green compact with high-compactness and high-wearing feature is obtained, it can
Realize the ceramic particle reinforced metal base composites electromagnetism hot pressed powder forming of high quality, the operation is stable is reproducible, production
It is high-efficient, it is easy to implement automated production, energy conservation and environmental protection has wide development and application prospect.
Detailed description of the invention
Fig. 1 is after the ceramic particle enhancing electromagnetism hot pressed powder forming device of one embodiment of the invention saves discharge circuit
Schematic perspective view；
Fig. 2 is the stereoscopic schematic diagram of electro-magnetic forming coil in Fig. 1；
Fig. 3 is the stereoscopic schematic diagram of electromagnetic driver in Fig. 1；
Fig. 4 is the structural schematic diagram of mold in Fig. 1；
Fig. 5 is the rough schematic view in the section of Fig. 1；
Fig. 6 is the circuit structure rough schematic view of Fig. 1 discharge circuit；
Fig. 7 is the stream for the powder forming method that the present invention enhances electromagnetism hot pressed powder forming device using the ceramic particle
Journey schematic diagram.
Wherein, direction shown in the arrow in described Fig. 1 and described Fig. 4 be left and right to.
Drawing reference numeral explanation:
| Label | Title | Label | Title |
| 1 | Rack | 11 | Sliding slot |
| 2 | Mold | 3 | Formed punch |
| 3a | Left formed punch | 3b | Right formed punch |
| 4 | Electromagnetic heating coil | 51 | Electro-magnetic forming coil |
| 52 | Electromagnetic driver | 521 | Metal is by magnetic sheet |
| 522 | Force transmitting board | 53 | Discharge circuit |
| 531 | High-voltage DC power supply | 532 | High-voltage energy storage capacitor |
| 533 | Discharge switch |
Specific embodiment
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the invention.
The present invention provides a kind of ceramic particle enhancing electromagnetism hot pressed powder forming device.
In one embodiment of this invention, as shown in Figures 1 to 6:
The ceramic particle enhancing electromagnetism hot pressed powder forming device includes: rack 1, mold 2, two formed punches 3, electromagnetic heating
Coil 4 and at least an electromagnetic drive unit；The mold 2 has edge to the rack 1 and the mold 2 is installed on along left and right
It controls to extension and perforative forming cavity；Two formed punch 3 along left and right to being oppositely arranged, and two opposite ends of two formed punch 3
It is slidably mounted on the corresponding inner sidewall in both ends of the forming cavity, two formed punch 3 and the forming cavity are limited into jointly
Shape room；The electromagnetic heating coil 4 is set around 2 periphery of mold to heat to the working chamber；An at least electromagnetism drives
Moving cell includes: electro-magnetic forming coil 51, electromagnetic driver 52 and discharge circuit 53；Each electromagnetic drive unit
In, the output end of the discharge circuit 53 is electrically connected with the electro-magnetic forming coil 51, and the power of the electromagnetic driver 52 is defeated
Enter the electromagnetic action region that end is set to the electro-magnetic forming coil 51, the power output end of the electromagnetic driver 52 and described two
The outer end of one of formed punch 3 is drivingly connected, described in driving under the action of the electromagnetic force generated as the electro-magnetic forming coil 51
Two formed punches 3 are drawn close, and form shape into will be filled at the indoor ceramic particle pressure of forming in advance.
In the present embodiment, it should be understood that the outer profile of the mold 2 can be set with the forming cavity similar shape
It sets, such as the outer profile of the mold 2 and the profile of the forming cavity are arranged in coaxial cylindrical surface, certain mold 2
Outer profile can also be other outer profiles not identical with the outer profile of the forming cavity, and the mold 2 can pass through static shelving
It is installed on the rack 1；The shape of two formed punch 3 can mutually fit setting with the profile of the forming cavity, i.e., the described formed punch 3
Cross sectional shape is not limited only to circle shown in Fig. 1, or the other shapes such as rectangle；The electromagnetic heating coil 4 can be with
Power supply and monitoring device is arranged, after electromagnetic heating coil 4 is by the logical upper alternating current of the power supply being arranged, the metal-back of the mold 2
Know from experience generation vortex heat under the action of alternating magnetic field to heat the forming cavity；An at least electromagnetic drive unit
It can may be two groups for one group, can be fixed by one of described two formed punch 3 when for one group, with this group of electromagnetic drive list
The electromagnetic driver 52 in member drives another close fixed formed punch 3 of two formed punch 3 that powder forming can be completed
Movement, when an at least electromagnetic drive unit is two groups, the electromagnetic drive unit can be divided into 2 side of extension of mold
To the two sides at both ends, corresponding two electromagnetic driver 52 of two electromagnetic drive units respectively drives two formed punch 3 can be complete
It is acted at powder forming；In addition the electro-magnetic forming coil 51 can be absolute coil, or coil outer is packaged with solid
Determine material such as insulating resin etc.；The electromagnetic driver 52 can add mandril to form by rosette, the rosette and institute
Plane where stating electro-magnetic forming coil 51 is arranged in parallel, one end of the mandril and the rosette away from the electromagnetism at
One end connection other end of shape coil 51 is connect with the lateral surface of one of two formed punch 3, certain electromagnetic driver 52
It can be arranged using full circle column, installation method is similar；The discharge circuit 53 may include charhing unit, electricity accumulating unit and open
Unit etc. is closed, the charhing unit charges to the electricity accumulating unit, and the switch unit cut-offs the electricity accumulating unit to the electricity
The energization of magnetic forming coil 51.
The beneficial effects of the present invention are: being heated by electromagnetic heating coil 4 to 2 working chamber of mold, discharge circuit 53
It discharges electro-magnetic forming coil 51, generate electromagnetism power drive electromagnetic driver 52 and then two formed punches, 3 high speed is driven to draw close and suppress
The ceramic particle reinforced metal base dusty material being heated in 2 working chamber of mold, so that obtaining has high-compactness and high abrasion
The light composite material part green compact of property, can be realized the ceramic particle reinforced metal base composites 9 Cr 2 steel using electromagnetic heating press-powder of high quality
End forming, the operation is stable is reproducible, high production efficiency, is easy to implement automated production, and energy conservation and environmental protection has wide exploitation
Application prospect.
In a preferred embodiment of the invention, as shown in Figure 1 and Figure 5:
An at least electromagnetic drive unit includes left electromagnetic drive unit and right electromagnetic drive unit；Two formed punch 3
Including left formed punch 3a and right formed punch 3b, the electromagnetic driver 52 in the left electromagnetic drive unit and the left formed punch 3a's
Left side is drivingly connected, and the right side of the electromagnetic driver 52 and the right formed punch 3b in the right electromagnetic drive unit is driven
Dynamic connection.The drive connection can may be to be threadedly coupled for welding, can also be in the close of the electromagnetic driver 52
Mounting groove is arranged in one end of the mold 2, and the formed punch 3 is placed in the mounting groove.An at least electromagnetic drive unit
It is set as left electromagnetic drive unit and right electromagnetic drive unit, so that the forming of the mold 2 is indoor to be heated ceramic particle increasing
Strong metal based powdered material can be driven by the left electromagnetic drive unit and the right electromagnetism simultaneously in the left and right sides of the mold 2
Moving cell applies pressure, ensure that ceramic particle reinforced metal base powder is made part green compact consistency and can further enhance, and
Part green compact performance uniform in material is enough preferably to be guaranteed.
In a preferred embodiment of the invention, as shown in Figure 6: the electric discharge electricity in each electromagnetic drive unit
Road 53 includes: high-voltage DC power supply 531, high-voltage energy storage capacitor 532 and discharge switch 533, the high-voltage energy storage capacitor
532 is in parallel with the high-voltage DC power supply 531, the electro-magnetic forming coil 51 connect with the discharge switch 533 after with it is described
High-voltage energy storage capacitor 532 is in parallel.The discharge circuit 53 uses high-voltage DC power supply 531 and high-voltage energy storage capacitor 532, in institute
Before stating the connection of discharge switch 533, high-voltage energy storage capacitor 532 is charged by the high-voltage DC power supply 531, is connect in discharge switch 533
After logical, the electric energy of high-voltage energy storage capacitor 532 is quickly converted to the flash electromagnetic field of electro-magnetic forming coil 51, so that metal electromagnetism
Inductive loop is generated in actuator 52 and then generates stronger induced magnetic field, the flash electromagnetic field and the stronger induced magnetic field
The larger electromagnetic force that a moment can be generated to the metal electromagnetic driver 52 can preferably guarantee that part green compact is fine and close
Degree.
In the further preferred embodiment of the present invention as shown in Figures 1 to 4: the institute in each electromagnetic drive unit
Stating electromagnetic driver 52 includes metal by magnetic sheet 521 and force transmitting board 522, and the metal is by magnetic sheet 521 and the electro-magnetic forming
51 place plane of coil is arranged in parallel, and the force transmitting board 522 is prolonged by the middle part of magnetic sheet 521 towards the mold 2 by the metal
Stretch setting.The electromagnetic driver 52 is divided into metal by magnetic sheet 521 and force transmitting board 522, so that the electromagnetic driver 52
Total quality is lighter, readily available high speed impact, realizes connection formed punch 3 and shapes indoor ceramic particle increasing to the mold 2
Strong metal based powdered material generates biggish impulse force, not only saves Material Cost and ensure that part green compact forming effect.
Further, as shown in Fig. 1, Fig. 3 and Fig. 5, the force transmitting board 522 in each electromagnetic drive unit is parallel to
The sectional area of the 51 place plane of electro-magnetic forming coil is set from the electro-magnetic forming coil 51 to 2 direction of mold in gradually small
It sets.It can preferably receive from the metal by the driving force of magnetic sheet 521 and institute's driving force concentration is transmitted to institute
The sectional area stating formed punch 3, and as above reducing is arranged so that the inside of the force transmitting board 522 is by stress even variation, nothing when punching press
Stress mutation region preferably ensure that the service life of the force transmitting board 522.
In a preferred embodiment of the invention, as shown in figures 1 and 3, the rack 1 includes being set on the mold 2
Lower two sides and the sliding slot 11 extended in the same direction with the forming cavity, the force transmitting board 522 in each electromagnetic drive unit and/
Or the metal is slidably mounted on the sliding slot 11 along the extending direction of the forming cavity by the upper and lower sides of magnetic sheet 521.The cunning
The setting of slot 11 is relatively stable by sliding of the magnetic sheet 521 in the rack 1 convenient for the force transmitting board 522 and/or the metal,
The continuous success rate that part green compact is made of the present apparatus is further ensured, the reliability of the present apparatus is improved.
In a preferred embodiment of the invention, as shown in Figure 1, being equipped with grating sensor on the sliding slot 11, the light
Position signal of the gate sensor to receive the force transmitting board 522.The use of the grating sensor is convenient for utilizing peripheral equipment,
The peripheral equipment can be the letter of the peripheral equipments such as PLC, single-chip microcontroller etc., the signal output of the grating sensor and PLC
The electrical connection of number input port, the specific type selecting of the grating sensor and connection are referred to the prior art, just only repeat herein,
The selection of the grating sensor can preferably record the motion process of the electromagnetic driver 52, convenient for subsequent to work
The improvement of skill is analyzed.
Based on the above technical solution, the present invention can also be improved as follows: the material of the force transmitting board 522 is 45
Number steel.While enabling the force transmitting board 522 to have higher-strength and Material Cost is lower.
Based on the above technical solution, the present invention can also be improved as follows: the material of two formed punch 3 is
2 steel of SKD11 mold.So that the hardness of two formed punch 3 is high, good toughness, and it is not easy to crack, it ensure that and part is made using the present apparatus
The smoothness on green compact surface.
As shown in fig. 7, the present invention also provides a kind of ceramic particle enhancing electromagnetism hot pressed powders to shape manufacturing process, using such as
Ceramic particle described above enhances electromagnetism hot pressed powder forming device, includes the following steps:
S1. it will be filled in the forming cavity of mold 2 by pretreated ceramic particle mixed powder A.
In this step, the preparation proportion of the ceramic particle mixed powder can be ceramic particle powder (average grain diameter
10 μm, 30vol%) and 6061Al powder (15 μm of average grain diameter, 70vol%) total 0.7g.The pretreatment can be star of being expert at
Vacuum ball milling pretreatment is carried out in formula batch mixer, and (blending agent is corundum, and ratio of grinding media to material 3:1, revolving speed: 200rpm, mixing time are
30min)。
S2., two formed punches 3 are assemblied in the two-port of the forming cavity respectively, and by two formed punch 3 to ceramic particle
Mixed powder A carries out precompressed in the forming cavity of the mold 2.In this step, the precompressed can push the electricity manually
Formed punch 3 is tentatively pushed into 2 certain depth of mold by Magnetic driving part 52.
S3., electromagnetic driver 52 is resetted in rack 1 and is set the running parameter of the discharge circuit 53.At this
In step, settable setting discharge voltage is 5KV in the discharge circuit 53, and discharge capacity is 550 μ F.
S4. it is powered to load coil, to carry out being heated to preset temperature acquisition to the ceramic particle mixed powder A
Ceramic particle mixed powder A1.The control of preset temperature described in this step can be detected by temperature sensor.
S5. it is closed discharge circuit 53, electro-magnetic forming coil 51 is powered, in the electricity generated by the electro-magnetic forming coil 51
Two formed punch 3 is driven to draw close under the action of magnetic force, into ceramic particle mixed powder A1 pressure is formed part green compact.
S6. discharge circuit 53 is disconnected, two formed punches 3 described in removal take out the part green compact, clear up in the forming cavity
Wall.The compacting that step S1 to S5 carries out next part green compact can be repeated after carrying out this step.
2 working chamber of mold is heated by electromagnetic heating coil 4, discharge circuit 53 puts electro-magnetic forming coil 51
Electricity generates electromagnetism power drive electromagnetic driver 52 and then two formed punches, 3 high speed is driven to draw close and be heated in 2 working chamber of compacting tool set
Ceramic particle reinforced metal base dusty material, to obtain the light composite material part with high-compactness and high-wearing feature
Green compact, can be realized the ceramic particle reinforced metal base composites electromagnetism hot pressed powder forming of high quality, and the operation is stable repeats
Property good, high production efficiency, be easy to implement automated production, energy conservation and environmental protection, have wide development and application prospect.
In the description of the present invention, it should be noted that term " on ", "lower", "left", "right", "vertical", "horizontal",
The orientation or positional relationship of the instructions such as "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of retouching
It states the present invention and simplifies description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific
Orientation construction and operation, therefore be not considered as limiting the invention.In addition, term " first ", " second ", " third " etc.
It is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of ceramic particle enhances electromagnetism hot pressed powder forming device, which is characterized in that including rack (1), mold (2), two
Formed punch (3), electromagnetic heating coil (4) and an at least electromagnetic drive unit；
The mold (2) is along left and right to being installed on the rack (1) and the mold (2) has along left and right to extending and perforative
Forming cavity；
Two formed punch (3) is along left and right to being oppositely arranged, and two opposite ends of two formed punch (3) are slidably mounted on the forming
The corresponding inner sidewall in the both ends of chamber, two formed punch (3) and the forming cavity limit working chamber jointly；
The electromagnetic heating coil (4) is set around the mold (2) periphery to heat to the working chamber；
Each electromagnetic drive unit includes: electro-magnetic forming coil (51), electromagnetic driver (52) and discharge circuit
(53)；In each electromagnetic drive unit, the output end of the discharge circuit (53) and the electro-magnetic forming coil (51) electricity
Connection, the power intake of the electromagnetic driver (52) are set to the electromagnetic action region of the electro-magnetic forming coil (51), institute
The outer end of the power output end and one of two formed punch (3) of stating electromagnetic driver (52) is drivingly connected, by the electromagnetism
Two formed punch (3) is driven to draw close under the action of the electromagnetic force that form-wound coil (51) generates, into the forming will be filled in advance
Indoor ceramic particle pressure forms shape.
2. ceramic particle as described in claim 1 enhances electromagnetism hot pressed powder forming device, which is characterized in that at least described in one
Electromagnetic drive unit includes left electromagnetic drive unit and right electromagnetic drive unit；Two formed punch (3) include left formed punch (3a) and
It drives the left side of right formed punch (3b), the electromagnetic driver (52) and the left formed punch (3a) in the left electromagnetic drive unit
Dynamic to connect, the right side of the electromagnetic driver (52) and the right formed punch (3b) in the right electromagnetic drive unit, which drives, to be connected
It connects.
3. ceramic particle as claimed in claim 1 or 2 enhances electromagnetism hot pressed powder forming device, which is characterized in that Mei Yisuo
Stating the discharge circuit (53) in electromagnetic drive unit includes: high-voltage DC power supply (531), high-voltage energy storage capacitor (532)
And discharge switch (533), the high-voltage energy storage capacitor (532) is in parallel with the high-voltage DC power supply (531), the electromagnetism at
Shape coil (51) is in parallel with the high-voltage energy storage capacitor (532) after connecting with the discharge switch (533).
4. ceramic particle as claimed in claim 3 enhances electromagnetism hot pressed powder forming device, which is characterized in that each electricity
The electromagnetic driver (52) in magnetic drive unit includes metal by magnetic sheet (521) and force transmitting board (522), the metal by
Magnetic sheet (521) is arranged in parallel with plane where the electro-magnetic forming coil (51), and the force transmitting board (522) is by the metal by magnetic
The middle part of plate (521) is extended towards the mold (2).
5. ceramic particle as claimed in claim 4 enhances electromagnetism hot pressed powder forming device, which is characterized in that each electricity
The sectional area of plane is by described where the force transmitting board (522) in magnetic drive unit is parallel to the electro-magnetic forming coil (51)
Electro-magnetic forming coil (51) Xiang Suoshu mold (2) direction is in gradually small setting.
6. ceramic particle as described in claim 4 or 5 enhances electromagnetism hot pressed powder forming device, which is characterized in that the machine
Frame (1) includes being set to the mold (2) two sides and the sliding slot extended in the same direction with the forming cavity (11) up and down, each electricity
Upper and lower sides the prolonging along the forming cavity of the force transmitting board (522) and/or the metal in magnetic drive unit by magnetic sheet (521)
It stretches direction and is slidably mounted on the sliding slot (11).
7. ceramic particle as claimed in claim 6 enhances electromagnetism hot pressed powder forming device, which is characterized in that the sliding slot
(11) it is equipped on grating sensor (111), position of the grating sensor (111) to receive the force transmitting board (522)
Signal.
8. ceramic particle as claimed in claim 6 enhances electromagnetism hot pressed powder forming device, which is characterized in that the force transmitting board
(522) material is No. 45 steel.
9. ceramic particle as claimed in claim 6 enhances electromagnetism hot pressed powder forming device, which is characterized in that two formed punch
(3) material is SKD11 mould steel.
10. a kind of ceramic particle enhances electromagnetism hot pressed powder manufacturing process, wanted using such as claim 1 to 9 any one right
The ceramic particle is asked to enhance electromagnetism hot pressed powder forming device, which comprises the steps of:
S1. it will be filled in the forming cavity of mold (2) by pretreated ceramic particle mixed powder A；
S2., two formed punches (3) are assemblied in the two-port of the forming cavity respectively, and by two formed punch (3) to the ceramics
Particle mixed powder A carries out precompressed in the forming cavity of the mold (2)；
S3. electromagnetic driver (52) is resetted on the rack (1) and sets the running parameter of discharge circuit (53)；
S4. it is powered to load coil (4), to be heated to the ceramic particle mixed powder A in the forming cavity
Ceramic particle mixed powder A1 is obtained to preset temperature；
S5. discharge circuit (53) are closed, electro-magnetic forming coil (51) is powered, to be generated by the electro-magnetic forming coil (51)
It drives two formed punch (3) to draw close under the action of electromagnetic force, forms part green compact into ceramic particle mixed powder A1 pressure；
S6. discharge circuit (53) are disconnected, two formed punches (3) described in removal take out the part green compact, clear up in the forming cavity
Wall.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110480006A (en) * | 2019-09-17 | 2019-11-22 | 哈工大机器人（岳阳）军民融合研究院 | Device and drawing method based on the two-way compacting of metal-base composites magnetic field impulse |
| CN115338404A (en) * | 2022-09-06 | 2022-11-15 | 厦门理工学院 | Method and device for axial bidirectional electromagnetic pulse pressing radial high-frequency heating forming |
Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999051426A1 (en) * | 1998-04-08 | 1999-10-14 | Milacron Inc. | Impacting method and machine for forming compacts |
| JP2004197157A (en) * | 2002-12-18 | 2004-07-15 | Toyota Central Res & Dev Lab Inc | Integrally molded composite member, manufacturing method therefor and electromagnetic drive unit |
| CN1593872A (en) * | 2004-06-18 | 2005-03-16 | 武汉理工大学 | Functional ceramic low voltage discharge compression forming method |
| CN201625782U (en) * | 2010-04-26 | 2010-11-10 | 宁波大学 | Electromagnetic powder crusher |
| CN102248162A (en) * | 2011-06-24 | 2011-11-23 | 宁波大学 | Electromagnetically driven powder compacting device |
| CN102248693A (en) * | 2011-05-30 | 2011-11-23 | 华中科技大学 | Electromagnetic drive forming method and device |
| CN104625050A (en) * | 2014-12-10 | 2015-05-20 | 武汉理工大学 | Electromagnetic pressing manufacturing method for environment-friendly brazing filler metal foil |
| CN105436500A (en) * | 2015-11-11 | 2016-03-30 | 湖南大学 | Radial powder compacting device and method based on electromagnetic pulses |
| CN205147310U (en) * | 2015-10-21 | 2016-04-13 | 宁波大学 | Electromagnetism among powder pressurizing device strikes subassembly |
| CN105784234A (en) * | 2016-04-01 | 2016-07-20 | 武汉理工大学 | Impact energy and impact frequency measuring device for electrically-driven pneumatic hammers |
| CN106409492A (en) * | 2016-08-26 | 2017-02-15 | 昆山磁通新材料科技有限公司 | Inductor warm-pressing forming method and inductor prepared by using same |
| CN106825192A (en) * | 2017-03-07 | 2017-06-13 | 华中科技大学 | A kind of electromagnetism Deep forming device and method |
| CN206731895U (en) * | 2017-05-02 | 2017-12-12 | 三峡大学 | A kind of device for improving electro-magnetic forming workpiece patch mould |
| CN108057883A (en) * | 2018-01-02 | 2018-05-22 | 中南大学 | The method and apparatus that a kind of radial and axial electromagnetic force realizes powder compacting |
| CN108284146A (en) * | 2018-02-12 | 2018-07-17 | 华中科技大学 | The electromagnetism progressive molding system and method for aluminum alloy curved part local induction heating |
| CN209886677U (en) * | 2019-04-04 | 2020-01-03 | 武汉工程大学 | Ceramic particle reinforced electromagnetic hot-pressing powder forming device |
-
2019
- 2019-04-04 CN CN201910272829.XA patent/CN109986076A/en active Pending
Patent Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1263497A (en) * | 1998-04-08 | 2000-08-16 | 米拉克龙公司 | Impacting method and machine for forming compacts |
| WO1999051426A1 (en) * | 1998-04-08 | 1999-10-14 | Milacron Inc. | Impacting method and machine for forming compacts |
| JP2004197157A (en) * | 2002-12-18 | 2004-07-15 | Toyota Central Res & Dev Lab Inc | Integrally molded composite member, manufacturing method therefor and electromagnetic drive unit |
| CN1593872A (en) * | 2004-06-18 | 2005-03-16 | 武汉理工大学 | Functional ceramic low voltage discharge compression forming method |
| CN201625782U (en) * | 2010-04-26 | 2010-11-10 | 宁波大学 | Electromagnetic powder crusher |
| CN102248693A (en) * | 2011-05-30 | 2011-11-23 | 华中科技大学 | Electromagnetic drive forming method and device |
| CN102248162A (en) * | 2011-06-24 | 2011-11-23 | 宁波大学 | Electromagnetically driven powder compacting device |
| CN104625050A (en) * | 2014-12-10 | 2015-05-20 | 武汉理工大学 | Electromagnetic pressing manufacturing method for environment-friendly brazing filler metal foil |
| CN205147310U (en) * | 2015-10-21 | 2016-04-13 | 宁波大学 | Electromagnetism among powder pressurizing device strikes subassembly |
| CN105436500A (en) * | 2015-11-11 | 2016-03-30 | 湖南大学 | Radial powder compacting device and method based on electromagnetic pulses |
| CN105784234A (en) * | 2016-04-01 | 2016-07-20 | 武汉理工大学 | Impact energy and impact frequency measuring device for electrically-driven pneumatic hammers |
| CN106409492A (en) * | 2016-08-26 | 2017-02-15 | 昆山磁通新材料科技有限公司 | Inductor warm-pressing forming method and inductor prepared by using same |
| CN106825192A (en) * | 2017-03-07 | 2017-06-13 | 华中科技大学 | A kind of electromagnetism Deep forming device and method |
| CN206731895U (en) * | 2017-05-02 | 2017-12-12 | 三峡大学 | A kind of device for improving electro-magnetic forming workpiece patch mould |
| CN108057883A (en) * | 2018-01-02 | 2018-05-22 | 中南大学 | The method and apparatus that a kind of radial and axial electromagnetic force realizes powder compacting |
| CN108284146A (en) * | 2018-02-12 | 2018-07-17 | 华中科技大学 | The electromagnetism progressive molding system and method for aluminum alloy curved part local induction heating |
| CN209886677U (en) * | 2019-04-04 | 2020-01-03 | 武汉工程大学 | Ceramic particle reinforced electromagnetic hot-pressing powder forming device |
Non-Patent Citations (5)
| Title |
|---|
| 中南工业大学 等: "《粉末冶金实验技术》", 31 May 1990, 冶金工业出版社, pages: 84 * |
| 刘鹏;常虹;吕树林;: "功能陶瓷低电压电磁单双向压制的比较研究", 国外建材科技, no. 05, pages 73 - 74 * |
| 孙伟, 黄尚宇: "电磁成形技术在粉末成形中的应用", 电加工与模具, no. 05, pages 62 - 65 * |
| 孟正华;黄尚宇;周静;孙伟;: "粉末电磁压制电压对TiO_2陶瓷密度的影响", 粉末冶金技术, no. 01, pages 48 - 52 * |
| 欧阳伟;黄尚宇;: "电磁成形技术及其在功能陶瓷行业的应用", 陶瓷学报, no. 02, pages 237 - 242 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110480006A (en) * | 2019-09-17 | 2019-11-22 | 哈工大机器人（岳阳）军民融合研究院 | Device and drawing method based on the two-way compacting of metal-base composites magnetic field impulse |
| CN110480006B (en) * | 2019-09-17 | 2021-08-27 | 哈工大机器人（岳阳）军民融合研究院 | Device and method for magnetic pulse bidirectional pressing based on metal matrix composite material |
| CN115338404A (en) * | 2022-09-06 | 2022-11-15 | 厦门理工学院 | Method and device for axial bidirectional electromagnetic pulse pressing radial high-frequency heating forming |
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