CN208035475U - A kind of powder electromagnetic vacuum hotpressing machine - Google Patents
A kind of powder electromagnetic vacuum hotpressing machine Download PDFInfo
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- CN208035475U CN208035475U CN201820204087.8U CN201820204087U CN208035475U CN 208035475 U CN208035475 U CN 208035475U CN 201820204087 U CN201820204087 U CN 201820204087U CN 208035475 U CN208035475 U CN 208035475U
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- mold
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- impact bar
- vacuum hotpressing
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Abstract
The utility model discloses a kind of powder electromagnetic vacuum hotpressing machines, its key points of the technical solution are that：A kind of powder electromagnetic vacuum hotpressing machine, including holder, mold, for carrying out the impact bar of punching press to the powder in mold and for driving impact bar to move down driving device, driving device includes level-one drive component and secondary drive component, and secondary drive component includes amplitude transformer, the electromagnetic coil that is socketed in above amplitude transformer.The high-voltage capacitance group of extraneous electromagnetic forming machine sparks, and generates heavy impulse current.When heavy impulse current passes through electromagnetic coil, the Lorentz force of generation pushes amplitude transformer and impact bar to apply impact force to mold and completes compacting.Its advantage is that the hot press is during molding to stamping of powder; it can be discharged by electromagnetic forming machine and provide high-strength impact power to the powder progress punching press in mold; it obtains high density briquetting and mold can be effectively protected by moment applying stressed method, extend the service life of mold.
Description
Technical field
The utility model is related to powder forging equipment technical field more particularly to a kind of powder electromagnetic vacuum hotpressing machines.
Background technology
Powder forging equipment is due to applied widely, production efficiency and the high feature of stock utilization, and answers extensively
During the automation Forging Technology of the pulverulent products such as various metals, ceramics, hard rubber article, magnetic material.
It includes machine that the Chinese patent that Authorization Notice No. is CN2478765, which discloses a kind of mechanical floating powder-compacting press,
Body is equipped with two long draws that can be moved up and down on fuselage, the long draw underground part be connected with made by active power drive it is reciprocal
The bottom end rail of movement, long draw top are equipped with upper beam, and upper beam is connected with upper punch；Lower pull rod is also equipped on fuselage, under
Pull rod extends through downwards fuselage partition board and its lower end is equipped with charging adjusting nut, and the both ends for the drop-down crossbeam being fixed on lower pull rod are slided
It is placed on long draw, connecting plate is further sleeved on lower pull rod, connecting plate both ends are connected in the corresponding position of two long draws；Work top
By table top spring-loaded on fuselage top surface, the table top pull rod being connected on work top extends downward and through the top surface of fuselage
And connecting plate between connecting plate and fuselage partition board under connect crossbeam and be connected；Cavity plate is mounted on work top, low punch
It is fixed on fuselage top surface.But the press disposably carries out punch forming by low punch to powder, such powder is required
Stamping press is very big, speed is fast, is easy to wash out mold, reduces the service life of mold.
Utility model content
The purpose of this utility model is to provide a kind of powder electromagnetic vacuum hotpressing machine, its advantage is that the hot press is to powder
During punch forming, can the multistage powder in mold carry out punching press, and then mold can be effectively protected, extend mold
Service life.
The above-mentioned technical purpose of the utility model technical scheme is that：
A kind of powder electromagnetic vacuum hotpressing machine, including holder, the mold for holding powder, vertical be placed on above mold
And it is used to carry out the impact bar of punching press to the powder in mold and positioned at cradle top and for driving impact bar to move down
Driving device, the driving device include being located above impact bar and for driving impact bar to carry out precompressed to the powder in mold
Level-one drive component and between impact bar and level-one drive component and for driving impact bar to the powder in mold
The secondary drive component of punching press is carried out, the secondary drive component includes amplitude transformer, is socketed in amplitude transformer top and passes through the external world
Power supply makes the electromagnetic coil case of the Lorentz force itself generated control amplitude transformer and impact bar lifting.
Through the above technical solutions, level-one drive component can drive impact bar to carry out precompressed to the powder in mold.Two
Grade drive component can drive impact bar to carry out punching press to the powder in mold after level-one preload component precompressed.It is rushing in this way
Precompressed is carried out before pressure can avoid disposable directly punching press from causing serious destruction to mold.Specifically, electromagnetic coil case is logical
Downward Lorentz force can be generated after electricity, the Lorentz force that amplitude transformer is capable of the generation of electromagnetic coil case collects, and drives
The quick powder in downward diel of impact bar.
The utility model is further arranged to：It is honest that pad is provided with below the mold, the holder includes fixed setting
Lower shifting board in the honest lower section of pad, the upper surface of lower shifting board is fixedly installed the circular lower furnace body in mold side, the mould
It is provided with the middle fixed plate with impact bar sliding connection above tool, is fixedly installed below the middle fixed plate and lower furnace body
Matched upper furnace body.
Through the above technical solutions, pad earnestly can support mould, and buffer mold when by punching press to lower shifting board
Punching press.Lower shifting board can play the role of support to lower furnace body.Middle fixed plate can support upper furnace body, prevent upper furnace body certainly
It is voluntarily moved down under the action of body gravity.The cooperation of upper furnace body, lower furnace body, lower shifting board and middle fixed plate can make mold
When by punching press, in a closed space, to prevent powder to be splashed in outside air in precompressed.
The utility model is further arranged to：The centre position of the middle fixed plate is provided with and impact bar sliding connection
Sealing impact rod set.
Through the above technical solutions, sealing impact rod set setting can either improve it is close between impact bar and middle fixed plate
Feng Xing, and moving up and down for impact bar middle fixed plate relatively can not be influenced.
The utility model is further arranged to：The level-one drive component is selected as upper cylinder, the lower section of the lower shifting board
It is provided with the lower oil cylinder for driving lower shifting board to lift.
Through the above technical solutions, upper cylinder can drive secondary drive component and impact bar to move down, and make impact bar
Precompressed is carried out to the powder in mold.Lower oil cylinder can drive lower shifting board to move up, and then shorten upper cylinder piston bar
Stroke improves working efficiency.
The utility model is further arranged to：It is fixedly installed to slide with the piston rod of lower oil cylinder above the lower oil cylinder and connect
The bottom plate connect is provided with bottom plate below the lower oil cylinder, is fixedly installed between the bottom plate and bottom plate several
A lower supporting rod.
Through the above technical solutions, lower supporting rod can support bottom plate, bottom plate then can be by lower oil cylinder
The power lifted, lower oil cylinder is made to leave ground, and then lower support column is made to share lower oil cylinder by downward punching press.The setting of bottom plate
The stability of lower supporting rod vertical direction can be increased.
The utility model is further arranged to：The circumferentially wound heating coil for having external heating in medium frequency machine of the mold.
Through the above technical solutions, heating coil can heat the powder in mold so that powder is easy compacting
Molding, and improve stamping quality.
The utility model is further arranged to：The lower surface of the middle fixed plate is fixedly installed in upper furnace body and outer
The upper cold water ring of water receiving cold.
Through the above technical solutions, upper cold water ring can prevent the temperature in upper furnace body excessively high, shorten impact bar and close
The service life of envelope impact rod set etc..
The utility model is further arranged to：The honest bottom of the pad is fixedly installed the lower cold water ring of external water cooling unit.
Through the above technical solutions, lower cold water ring, which can reduce, pads honest temperature, and then extends and pad honest service life.
In conclusion the utility model has the advantages that：
One, the hot press is during molding to stamping of powder, can the multistage powder in mold carry out punching press, into
And it can be effectively protected mold, extend the service life of mold；
Two, the circumferentially wound heating coil for having external heating in medium frequency machine of mold, can add the powder in mold
Heat so that powder is easy compression moulding, and improves stamping quality.
Description of the drawings
Fig. 1 is the hot press overall structure diagram；
Fig. 2 is to embody the structural schematic diagram of secondary drive component；
Fig. 3 is to embody the sectional view of amplitude transformer structure；
Fig. 4 is to embody the internal state schematic diagram of impact bar powder in diel.
In figure, 1, mold；11, heating coil；2, impact bar；21, sealing impact rod set；31, amplitude transformer；32, electromagnetic wire
Enclose case；33, single ended bolt；34, upper cylinder；35, lower oil cylinder；41, bottom plate；42, bottom plate；43, middle fixed plate；44, upper solid
Fixed board；45, upper shifting board；46, lower shifting board；47, upper furnace body；48, lower furnace body；51, upper guide post；52, middle guide post；53, lower branch
Column；54, lower margin；61, upper cold water ring；62, lower cold water ring；63, pad is honest；7, thermocouple；8, vacuum pump.
Specific implementation mode
A kind of powder electromagnetic vacuum hotpressing machine, as shown in Figure 1, including holder, the mold 1 for holding powder, putting vertically
It sets above mold 1 and is used to carry out the impact bar 2 of punching press to the powder in mold 1 and positioned at cradle top and for driving
Impact bar 2 moves down driving device.
Driving device includes being located at 2 top of impact bar and for driving impact bar 2 in mold 1 combined with Figure 1 and Figure 2,
Powder carries out the level-one drive component of precompressed and between impact bar 2 and level-one drive component and for driving impact bar 2
The secondary drive component of punching press is carried out to the powder in mold 1.Secondary drive component includes amplitude transformer 31, is socketed in amplitude transformer 31
Top and the electromagnetic coil case for making the Lorentz force itself generated control amplitude transformer 31 and the lifting of impact bar 2 by extraneous power supply
32.Wherein, the electromagnetic coil in electromagnetic coil case 32 and extraneous electro-magnetic forming mechatronics；Amplitude transformer 31 is by upper and lower part
Composition, top is cylindrical and sliding is socketed in the bottom of electromagnetic coil case 32, lower part be truncated cone-shaped and the small end face of radius with
2 one end of impact bar is fixedly connected（Referring now to Fig. 3）；Electromagnetic coil case 32 lower section setting there are six pass through amplitude transformer 31 and with
The single ended bolt 33 that electromagnetic coil case 32 is threadedly coupled, single ended bolt 33 stretch out the length of electromagnetic coil case 32 than amplitude transformer 31 with
The long 5mm of thickness of 33 junction of single ended bolt.
In conjunction with Fig. 1 and Fig. 4, level-one drive component is selected as upper cylinder 34.The lower section of mold 1 is provided with pad honest 63, and mold 1
It is placed on pad honest 63.Level-one drive component is selected as upper cylinder 34.Holder includes being fixed at the lower movement for padding honest 63 lower section
Plate 46 and the upper mounted plate 44 for being fixed at 34 lower section of upper cylinder.The upper surface of lower shifting board 46 is fixedly installed mold
The circular lower furnace body 48 in 1 side.The top of mold 1 is provided with the middle fixed plate 43 with the sliding connection of impact bar 2.Middle fixed plate 43
Lower section be fixedly installed and 48 matched upper furnace body 47 of lower furnace body.Wherein, the side wall fixed setting of upper furnace body 47 is useful for surveying
Measure the thermocouple 7 of 1 temperature of mold；The outside of upper furnace body 47 is fixedly installed the vacuum pump 8 through 47 side wall of upper furnace body；Middle fixation
The centre position of plate 43 is provided with impacts rod set 21 with the sealing of the sliding connection of impact bar 2；Mold 1 it is circumferentially wound have it is external in
The heating coil 11 of frequency heater；The lower surface of middle fixed plate 43 is fixedly installed in upper furnace body 47 and runs through middle fixed plate
The upper cold water ring 61 of 43 external water cooling units；Pad honest 63 bottom be fixedly installed it is cold under 46 external water cooling unit of lower shifting board
Water ring 62.
In conjunction with Fig. 1, the lower section of lower shifting board 46 is provided with the lower oil cylinder 35 for driving lower shifting board 46 to lift.Lower oil cylinder
35 tops are fixedly installed the bottom plate 42 with the sliding connection of the piston rod of lower oil cylinder 35.The lower section of lower oil cylinder 35 is provided with bottom
Plate 41.Several lower supporting rods 53 are fixedly installed between bottom plate 41 and bottom plate 42.The lower section of bottom plate 41 is provided with and bottom plate
41 lower margins 54 being fixedly connected.Guide post 52 in several are fixedly installed between bottom plate 42 and middle fixed plate 43.Under wherein
Movable plate 46 is connected by linear bearing and the sliding of middle guide post 52.The lower surface of middle fixed plate 43 is fixedly installed positioned at upper furnace body
The upper cold water ring 61 of 47 interior and external water cooling units.Several upper guide posts are fixedly installed between middle fixed plate 43 and upper mounted plate 44
51.The piston rod of upper cylinder 34 passes through upper mounted plate 44 and the upper shifting board being fixedly connected in 32 upper surface of electromagnetic coil case is arranged
45 are fixedly connected.Upper shifting board 45 is connected by linear bearing and the sliding of upper guide post 51.
The course of work：When upper furnace body 47 and lower furnace body 48 are opened, powder is added into mold 1.Then start lower oil cylinder
35, so that lower furnace body 48 is molded with upper furnace body 47.Start cooling-water machine and heating in medium frequency machine later.Then start upper cylinder 34 and true
Sky pump 8, upper cylinder 34 drives electromagnetic coil case 32, amplitude transformer 31 and impact bar 2 to move down by upper shifting board 45, to powder
End carries out precompressed.During precompressed, amplitude transformer 31 is moved up along single ended bolt 33 axially with respect to electromagnetic coil case 32.
After the completion of precompressed, starts extraneous electromagnetic forming machine to the 32 inner energization of electromagnetic coil case, electromagnetic coil case 32 is made to generate downwards
Lorentz force.Lorentz force pushes amplitude transformer 31 and impact bar 2 to move down, and carries out secondary punching to the powder after precompressed
Pressure, makes the complete compression moulding of powder.Vacuum pump 8 and heater are closed later.Then start upper cylinder 34 and lower oil cylinder 35, make
Furnace body 47 and lower furnace body 48 are located remotely from each other.In the process, originally upper cylinder 34 only drives upper shifting board 45, electromagnetic coil case 32
And single ended bolt 33 moves up.After the head of single ended bolt 33 and amplitude transformer 31 contact, single ended bolt 33 drives cumulative
Device 31 and impact bar 2 move up.When upper furnace body 47 and lower furnace body 48 opening completely, and impact bar 2 completely disengages mold 1
When, you can the product of compression moulding is taken out.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can as needed make the present embodiment the modification of not creative contribution after reading this specification, but
As long as all being protected by Patent Law in the right of the utility model.
Claims (8)
1. a kind of powder electromagnetic vacuum hotpressing machine, it is characterized in that：Mold (1), vertical placement including holder, for holding powder
The impact bar (2) of punching press is carried out above mold (1) and for the powder inner to mold (1) and is located at cradle top and is used for
Driving impact bar (2) moves down driving device, and the driving device includes being located above impact bar (2) and for driving impact
Bar (2) to the powder in mold (1) carry out precompressed level-one drive component and positioned at impact bar (2) and level-one drive component it
Between and for drive impact bar (2) in mold (1) powder carry out punching press secondary drive component, the secondary drive component
Including amplitude transformer (31), the Lorentz force control for being socketed in above amplitude transformer (31) and making itself to generate by external electromagnetic forming machine
The electromagnetic coil case (32) of amplitude transformer (31) processed and impact bar (2) lifting.
2. a kind of powder electromagnetic vacuum hotpressing machine according to claim 1, it is characterized in that：It is set below the mold (1)
It is equipped with pad earnestly (63), the holder includes the lower shifting board (46) being fixed at below pad honest (63), lower shifting board (46)
Upper surface is fixedly installed the circular lower furnace body (48) in mold (1) side, is provided with above the mold (1) and impact bar
(2) the middle fixed plate (43) of connection is slid, is fixedly installed below the middle fixed plate (43) matched with lower furnace body (48)
Upper furnace body (47).
3. a kind of powder electromagnetic vacuum hotpressing machine according to claim 2, it is characterized in that：In the middle fixed plate (43)
Meta position installs the sealing impact rod set (21) being equipped with impact bar (2) sliding connection.
4. a kind of powder electromagnetic vacuum hotpressing machine according to claim 3, it is characterized in that：The level-one drive component is selected as
Upper cylinder (34) is provided with the lower oil cylinder (35) for driving lower shifting board (46) to lift below the lower shifting board (46).
5. a kind of powder electromagnetic vacuum hotpressing machine according to claim 4, it is characterized in that：It is solid above the lower oil cylinder (35)
Surely it is provided with the bottom plate (42) with the sliding connection of the piston rod of lower oil cylinder (35), is provided with below the lower oil cylinder (35)
Bottom plate (41) is fixedly installed several lower supporting rods (53) between the bottom plate (41) and bottom plate (42).
6. a kind of powder electromagnetic vacuum hotpressing machine according to claim 1, it is characterized in that：The circumferential direction of the mold (1) twines
It is wound with the heating coil (11) of external heating in medium frequency machine.
7. a kind of powder electromagnetic vacuum hotpressing machine according to claim 2, it is characterized in that：The middle fixed plate (43)
Lower surface is fixedly installed in upper furnace body (47) and the upper cold water ring (61) of external water cooling unit.
8. a kind of powder electromagnetic vacuum hotpressing machine according to claim 7, it is characterized in that：The bottom of the pad honest (63) is solid
Surely it is provided with the lower cold water ring (62) of external water cooling unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820204087.8U CN208035475U (en) | 2018-02-05 | 2018-02-05 | A kind of powder electromagnetic vacuum hotpressing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820204087.8U CN208035475U (en) | 2018-02-05 | 2018-02-05 | A kind of powder electromagnetic vacuum hotpressing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208035475U true CN208035475U (en) | 2018-11-02 |
Family
ID=63951924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820204087.8U Active CN208035475U (en) | 2018-02-05 | 2018-02-05 | A kind of powder electromagnetic vacuum hotpressing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208035475U (en) |
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2018
- 2018-02-05 CN CN201820204087.8U patent/CN208035475U/en active Active
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