CN2830030Y

CN2830030Y - Dual-station hydraulic shaper

Info

Publication number: CN2830030Y
Application number: CN 200520018988
Authority: CN
Inventors: 初洪杰
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-05-18
Filing date: 2005-05-18
Publication date: 2006-10-25
Anticipated expiration: 2015-05-18

Abstract

It is a dual-station hydraulic shaper, which belongs to mechanical field of the ceramic shaping. It mainly includes a hydraulic pressure main engine, a stripping power supply, a male die, two female die composite units together with a lining board and a parison push-out mechanism. The utility model is characterized in that the output terminal of the safety alternating voltage generated by the stripping power supply connects respectively with the male die which is made of the metal or conducting material and the female die composite unit which can be equipped with the lining board. In the process of shaping, two shaping surfaces of the mould and the intermediate pug lose the adhesive force between each other due to the action of the alternating current. The pug which is on the shaping surface of the mould is always in the state of sliding deformation and the bifacial cold stripping. The female die composite units of two stations are shaped alternately on the hydraulic pressure main engine platform. The precision and the intensity of the shaped parison are high, and the surface of it is smooth. The speed of shaping is fast, and the service life of the mould is long. The utility model is suitable to produce the ceramic parison in enormous quantities of plane with the embossing pattern or deep cavity polygon, and abnormity.

Description

The double hydraulic forming machine

Technical field

The utility model belongs to forming process of ceramics machinery, is specifically related to a kind of hydraulic forming machine.

Background technology

The mould of existing ceramic industry plastic mud material is mostly manufactured with gypsum raw material, has following subject matter: intensity is low, the life-span is short, become the product efficiency of moldeed depth chamber abnormal shape low.

Summary of the invention

The purpose of this utility model is to provide a kind of mould strength and wearability height, can bears big moulding extruding force, use the lower plastic mud material of moisture content, go out high accuracy, high blank strength and have the ceramic parison in plane or the dark chamber of abnormity of embossing pattern with shaped by fluid pressure mode quick manufacturing.

For achieving the above object, the technical solution adopted in the utility model is: adopt three beam four-column hydraulic presses, master cylinder places the entablature center, formpiston is fixed on positive center, sliding beam bottom surface in the electric insulation mode, in the framework of the fit longitudinal sliding motion alternation of the female die set of two stations on the sill table top, the safe alternating voltage output that is produced by demoulding power supply is connected respectively to the formpiston that is made of metal or conductive material and can be equipped with on the cavity block of liner plate, safe alternating current passes through formpiston in forming process, pug, liner plate and cavity block form the loop, under the effect of alternating current, make pug that formpiston and former liner plate are lost adhesion, pug is the slip deformation state to the mould molding face, no violent frictional force takes place, realize the two-sided cold demoulding of parison simultaneously, thereby suppress required product, the parison after the moulding is ejected by the small oil tank of two ends station.The non-forming surface of mold appearance all is coated with layer of cloth, and mould all has reliable electric insulation with this external any hardware.

Major advantage of the present utility model; The intensity height of mould, the life-span is long, and is fast to polygon or special-shaped deep cavity shape blank molding speed, and base type intensity after the moulding and precision height adapt to pug moisture content (15-25%) scope than broad, and power consumption and moulding cost are low.

Description of drawings

Accompanying drawing 1 is the utility model demoulding power supply block diagram.

Accompanying drawing 2 is the utility model embodiment demoulding power circuit diagrams.

Accompanying drawing 3 is the utility model embodiment front views.

Accompanying drawing 4 is the utility model embodiment Side views.

Accompanying drawing 5 is the utility model embodiment vertical views.

Accompanying drawing 6 is the utility model Embodiment C portion amplification views.

Accompanying drawing 7 is the utility model embodiment hydraulic system schematic diagrames.

The specific embodiment

Accompanying drawing 1 is the utility model demoulding power supply block diagram, the effect of demoulding power supply is to provide 36 volts of following safe alternating voltages to shaping mould among the figure, can be by wherein a kind of finish of civil power in transformer step-down, Switching Power Supply, several different electrical power mapping modes of inverter, wherein Switching Power Supply or inverter can be converted to alternating source with accumulator DC, the output waveform of alternating source can be sinusoidal waveform or impulse waveform, and its pulse frequency is in 1000 cycle per seconds.When demoulding electric current can be by mould molding and the pug real contact area multiply by the 0.005-0.025 peace/centimetre square between select, the input of demoulding power supply and output are wanted complete electrical isolation, installing demoulding power supply at equipment has a style of one's own and good earth, demoulding power supply is an intermittent work, and the actual time of bearing load generally accounts for about 10% of whole forming process.

Formpiston, liner plate are with the sheet material or the foundry goods of aluminum or aluminum alloy, and advantage is that demould time does not have delay, and whole forming process does not have any fuel factor and occurs, mould except that pug sliding friction loss is arranged, no electrochemistry loss.The die body that links to each other with liner plate can adopt steel plate welding or the employing foundry goods identical with the formpiston material by difform parison requirement, when adopting other metal or conductive material to do formpiston, liner plate, should be set certain demoulding time delay, determine by test with metal material and pug different in kind time delay.

Liner plate is formed by two or many, specific requirement according to the parison appearance is a principle extracing and not damage the parison surface smoothly behind removing from mould, if the forming surface of liner plate is the depiction literal, can mold the surface parison of embossing pattern literal is arranged, its thickness is selected according to the embossing pattern degree of depth of engraving, when parison is that the big and surface of plane or demoulding angle does not need under the situation of embossing pattern, also can be without liner plate by the inner surface of cavity block as forming surface.

Accompanying drawing 2 is the utility model embodiment demoulding power circuit diagrams, belong to the transformer buck, 220 volts of primary coils that enter transformer B through insurance RD and double-pole switch HK of mains supply, 28V voltage one end that the transformer secondary output coil produces is connected to the bolt 4 of formpiston among embodiment Fig. 3 through current-limiting resistance R, the other end connects on the binding post 12, and D is a power supply indicator.

Accompanying drawing 3 one accompanying drawings 7 are the utility model embodiment main machine structure and hydraulic scheme, and main frame is made of master cylinder 1, entablature 2, sliding beam 7, force block 8, column 10, framework 13, female die set zoarium 19,22 and sill 14.

The fit rolling chain of mainly being made up of ball 29 and spring 30 hexagon cavity block 24, liner plate 33, runners mould 25, parison pallet 26, insulation board 28, fastening bolt 27, sliding contact 31, handle 32 and many groups of female die set is formed, assembly rolls with table top and contacts, wherein by female die set zoarium 22, manually fuel tap 23, eject oil cylinder 18 and form the A station, by female die set zoarium 19, manual fuel tap 20, eject oil cylinder 36 and form the B station.

Be added with insulating washer 5 between formpiston and the sliding beam, insulation spacer 6 is electric insulation by bolt 4 and is connected, its connecting bolt 4 also is the binding post of demoulding power supply, the framework of being made up of the flat square tube of stainless steel 13 is vertically fixed on the table top of sill 14, the female die set zoarium of A, two stations of B can alternation in framework, former ectosome 24 is formed by the steel plate welding, and the non-forming surface of formpiston and female die set zoarium all scribbles insulating barrier and with this external any hardware reliable electric insulation arranged all.

Earlier will install six liner plates 33 successively in one of them cavity block 22 (A station) before the moulding, runners mould 25 and pug, driving handle 32 aligns with the formpiston center in the middle of the female die set zoarium is pushed into press, this moment, sliding contact 31 contacted with binding post 12, open the button 16 of demoulding power switch HK, demoulding power supply indicator 15 is bright, the safe alternating voltage of demoulding power supply is by the bolt 4 of formpiston and the binding post 12 on the patch bay 11, enter sun with the sliding contact 31 on the female die set zoarium, cloudy two die bodys, power supply turns on the power, oil pump 35 runnings, press start button 17 simultaneously, magnetic valve 34 is to the master cylinder fuel feeding, the oil cylinder piston bar promotes sliding beam and formpiston moves down, lower position switch 9 actions during to lower dead center envelope mould, magnetic valve is to the reverse fuel feeding of oil cylinder, upper limit position switch 3 actions when piston pulling sliding beam and formpiston rise to top dead centre, piston moves on stopping, pull out the female die set zoarium that has parison then, open manual fuel tap 23, eject oil cylinder 18 pistons and promote pallet 21 risings, and promote the fit pallet 26 of female die set together with runners mould 25, liner plate 33 is held out cavity block with parison, to take off together with the parison of liner plate to flip upside down again and keep flat, the manual fuel tap of turn makes the pallet playback to the reverse fuel feeding of oil cylinder, though this moment, liner plate and runners mould and parison surface broke away from adhesion, but because of there being the interface vacuum to have the surface that is attached to parison, take liner plate and runners mould and reinstall the fit and pug of packing into of female die set, the female die set zoarium of B station also finished with same operation sequence moulding and retracted the removing from mould position this moment, entered next working cycles.

Claims

1. double hydraulic forming machine, comprise hydraulic host machine, demoulding power supply, formpiston, two female die set zoariums, parison ejecting mechanism, it is characterized in that the safe alternating voltage output that demoulding power supply produces is connected formpiston that is made of metal or conductive material and the cavity block that liner plate can be housed respectively, and be configured to double by two female die set zoariums.

2. double hydraulic forming machine according to claim 1 is characterized in that demoulding power supply is made of transformer or switching power unit.

3. double hydraulic forming machine according to claim 1 is characterized in that the current waveform of the safe alternating voltage of demoulding power supply output can be sinusoidal waveform or impulse waveform.

4. double hydraulic forming machine according to claim 1, what it is characterized in that formpiston and the external table of die combinations is not that the forming surface part all is coated with layer of cloth and with this external any hardware reliable electric insulation is arranged all.

5. double hydraulic forming machine according to claim 1 is characterized in that the fit alternate hydraulic moulding of female die set of double, and finishes removing from mould by the oil cylinder that ejects separately.