CN103056215A - Warm/hot medium hydro-forming device for sheets - Google Patents
Warm/hot medium hydro-forming device for sheets Download PDFInfo
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- CN103056215A CN103056215A CN2012105797266A CN201210579726A CN103056215A CN 103056215 A CN103056215 A CN 103056215A CN 2012105797266 A CN2012105797266 A CN 2012105797266A CN 201210579726 A CN201210579726 A CN 201210579726A CN 103056215 A CN103056215 A CN 103056215A
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Abstract
The invention discloses a warm/hot medium hydro-forming device for sheets. The device comprises a general double-acting hydraulic press rack, a heating system and a sheet hydro-forming unit, wherein the double-acting hydraulic press rack is used for installing and driving the sheet hydro-forming unit to work; the sheet forming unit provides heat for the sheet forming process through the heating system arranged in a furnace body, the sheet forming unit provides high pressure liquid for a charging chamber through a supercharger; and die assembly and forming processes in the sheet forming process are achieved through mutual matching of a female die and a male die. According to the device, corresponding cooling functions are achieved through designing of cooling water channels at appropriate positions in the sheet forming process; and simultaneously, isothermal and differential temperature hot hydro-forming processes can be achieved. The device has the advantages that problems of isothermal and differential temperature forming, sealing of equipment and long-time operation under high temperature and pressure can be solved farthest, and the forming limit of poor-plasticity sheet metal under the normal temperature can be improved.
Description
Technical field
The present invention relates to topping up heat forming equipment field, specifically, is a kind of sheet material warm liquid-filling shaping equipment.
Background technology
The topping up hot forming is a kind of advanced flexible forming technology of utilizing fluid high-pressure to be shaped that the early 21st century proposes.If shaped sheet metal, then can adopt certain high temperature power transmission medium, such as the resisting mediums such as super heated rubber, liquid plasma water and high temperature high pressure oil, solid-state special powder etc. as soft protruding (recessed) mould, use again a rigidity recessed (protruding) mould, under the effect of power transmission medium, make sheet material forming; If empty class pipe fitting in being shaped, then high temperature high pressure oil and the inert gases etc. of adopting more.The material that carbon steel, steel alloy, stainless steel, aluminium alloy, titanium alloy and copper alloy etc. have certain plasticity in principle all is applicable to the topping up hot forming, especially is fit to the processing of the difficult aluminium alloy that is shaped, magnesium alloy, titanium alloy etc materials under the normal temperature.In the actual production, aluminium alloy, the warm liquid-filling shaping medium of magnesium alloy can adopt heat resistant oils, and Mg alloy formed be furnished with anti-oxidation frock, and the hot forming of titanium alloy topping up can be adopted low-melting alloy or the inert gases such as plumbous bismuth, will consider anti-oxidation problem equally.This technology can be applicable to the civil area such as automobile, the accurate complex component of Aero-Space, the parts such as military equipment of features and lightweight requirements is arranged.
The hot forming of sheet material topping up is a kind of novel forming technique that is very suitable for the light material processing such as aluminium alloy, magnesium alloy.At present, along with the raising of energy crisis, environmental consciousness, and the proposition of low-carbon (LC) living awareness, for the development of this novel forming technique provides opportunity.
Sheet material topping up hot forming technology still is in the research initial stage in the world, does not have ripe experience and can use for reference.Key technology problems in its equipment research and development also need solve, and abroad also only has the laboratory of minority to research and develop some simple experimental rigs, and structure is comparatively simple, and majority is difficult to realize compound action take heat expansion shape as main, can't carry out complicated technological operation.
Publication number is the utility model patent " a kind of thermal hydraulic forming mould unit for magnesium alloy plate " of CN2774673, has proposed on traditional hydro-mechanical drawing Equipment Foundations by heating tube being installed to realize warm hydro-mechanical drawing technique at blank holder and die corresponding position; Publication number is the patent of invention " thermal hydro-mechanical drawing forming method for dot matrix self-impedance electrical heating plates " of CN102139304A, proposition is buried needle electrode in blank holder inside underground by the dot matrix distribution and by the contact resistance between electrode and the plate blank flange is carried out from hindering electrical heating, to carry out warm hydro-mechanical drawing.The only to some extent difference on mode of heating of these two patents, heating location all is positioned at the blank holder place, only the flange part material is heated, and does not have cooling device, can't carry out the differential temperature liquid-filling shaping; And forming temperature is lower, and the adaptability for materials scope is narrower, and equipment can't long-play owing to lacking cooling system.
Summary of the invention
In order to address the above problem, the invention provides a kind of sheet material warm liquid-filling shaping equipment, by to the design of equipment and choosing of material, solve to greatest extent isothermal/temperature-differential forming under the HTHP, equipment sealing and the problem that works long hours, and can greatly improve the forming limit of normal temperature inductile metal blank, and can improve to a great extent the forming limit of the poor sheet metal of plasticity at normal temperatures.
A kind of sheet material warm of the present invention liquid-filling shaping equipment comprises frame, master cylinder, flanging cylinder, body of heater, heating plate A, heating plate B, heating plate C, electric-heating assembly, booster, punch, die, blank holder and liquid-filled chamber.
Wherein, frame is made of base, column, entablature, master cylinder crossbeam and flanging crossbeam; Column is the n root, and n 〉=2 vertically are fixed on the base plate, between the n root post from top to bottom successively level be socketed with entablature, master cylinder crossbeam and flanging crossbeam; Relative fixing between entablature and n root post, and master cylinder crossbeam and flanging crossbeam are all and adopt between the n root post and be slidingly connected; The cylinder body end of described master cylinder and flanging cylinder all vertically is fixed on the entablature, and the telescopic end of master cylinder and flanging cylinder is connected with master cylinder crossbeam, flanging crossbeam respectively.
Described body of heater is arranged on the base, is equipped with heat-insulation layer on body of heater internal side wall and the end face; Circumferentially evenly be provided with electric-heating assembly at the furnace body inside wall, electric-heating assembly is by controllable silicon executive component control heating-up temperature and heating power; On the body of heater inner bottom surface heat insulation tie-plate is installed; The heat insulation tie-plate upper surface is installed with heating plate A, liquid-filled chamber, heating plate B from the bottom to top successively; The die bottom is connected with the liquid-filled chamber top; The inner chamber of die is communicated with the topping up chamber of liquid-filled chamber; Liquid-filled chamber is connected with the high-pressure side of booster and communicates, and the low-pressure end of booster links to each other with oil pump.
Described punch top links to each other with punch connecting rod one end, and the punch connecting rod other end and master cylinder crossbeam are connected, and punch is positioned at directly over the inner chamber of die; Have circulating cooling liquid ring cavity B on the punch connecting rod internal circumferential; Have the feed pathway B and the liquid outlet channel B that are communicated with circulating cooling liquid ring cavity B on the punch connecting rod outer wall; Blank holder is horizontally disposed with, and makes the punch bottom be positioned at port; The blank holder end face is fixed with heating plate C, and heating plate C is connected by blank holder connecting rod and flanging crossbeam; Blank holder connecting rod inside has circulating cooling liquid ring cavity C, and the feed pathway C and the liquid outlet channel C that communicate with circulating cooling liquid ring cavity C.
Sheet material warm liquid-filling shaping equipment by said structure is when work, at first, in the inner chamber of liquid-filled chamber internal filled liquid chamber and die, be full of highly pressurised liquid by booster, prefabricated sheet material is placed on the end face of die, control subsequently the telescopic end elongation of master cylinder and flanging cylinder, drive respectively flanging crossbeam and girder and move downward, until blank holder is pressed in sheet material on the punch end face, stop master cylinder and flanging cylinder working, finish the matched moulds process.Respectively die, liquid-filled chamber mesohigh liquid, blank holder and sheet material are heated by heating plate A, heating plate B, heating plate C and electric-heating assembly on request according to the temperature signal of thermocouple sensor feedback subsequently until reach temperature required after, utilize booster in the inner chamber of liquid-filled chamber and die, to continue to pass into highly pressurised liquid, sheet material is carried out necessary pre-bulging, make the sheet material at the die upper surface place certain altitude that bulges, when arriving needed bulging height, the control punch continues operation downwards; Because booster continues to pass into high temperature high pressure liquid in liquid-filled chamber, needed pressure in the time of can producing sheet material forming; Simultaneously, pass into cooling medium in the cooling liquid circulation section in punch connecting rod, blank holder connecting rod, the booster, the unlikely excess Temperature of assurance equipment and causing danger improves the equipment continuous working period; Finally, sheet material pressurized and abutting in tightly on the punch forms the part accurate consistent with the punch shape.
The invention has the advantages that:
1, sheet material warm liquid-filling shaping equipment of the present invention, the topping up heat forming technology of employing combines heat forming technology and liquid-filling shaping technological advantage, can obtain than traditional hot forming and the better forming property of normal temperature liquid-filling shaping;
2, sheet material warm liquid-filling shaping equipment of the present invention can be realized punch and matrix isothermal and differential temperature liquid-filling shaping, and can guarantee the long time running of equipment;
3, sheet material warm liquid-filling shaping equipment of the present invention is designed with 12 thermals treatment zone in the heating chamber of body of heater, and separately control is realized by the controllable silicon executive component in each thermal treatment zone, can fully guarantee the uniformity in temperature field in the working space;
4, sheet material warm liquid-filling shaping equipment of the present invention, can realize the forming technology of different warm, and forming temperature is higher, when booster is supplied with conventional heat resistant oils, heating-up temperature can reach 300 ℃, more heat transferring medium (low-melting alloy, molten glass, ceramic particle etc.) afterwards the forming temperature of equipment can reach 1000 ℃;
5, sheet material warm liquid-filling shaping equipment of the present invention, the seal approach of employing can guarantee that the fluid under the high temperature is in sealing state.
Description of drawings
Fig. 1 is sheet material warm liquid-filling shaping device structure schematic diagram of the present invention;
Fig. 2 is master cylinder, flanging cylinder mounting means schematic diagram in the sheet material warm liquid-filling shaping equipment of the present invention;
Fig. 3 is supercharger structure schematic diagram in the sheet material warm liquid-filling shaping equipment of the present invention;
Fig. 4 is sheet material warm liquid-filling shaping equipment convex mould bar linkage structure schematic diagram of the present invention;
Fig. 5 be sheet material warm liquid-filling shaping equipment convex mould structure of the present invention and and the punch push rod between connection diagram.
Among the figure:
1-frame 2-master cylinder 3-flanging cylinder 4-body of heater
5-heating plate A 6-heating plate B 7-heating plate C 8-electric-heating assembly
9-booster 10-punch 11-die 12-blank holder
13-liquid-filled chamber 14-base plate 15-heat insulation tie-plate 16-splash pan
17-punch connecting rod 18-blank holder connecting rod 19-flanging crossbeam coldplate 20-oil blocking cover
21-shifting roller chassis 101-base 102-column 103-entablature
104-master cylinder crossbeam 105-flanging crossbeam 801-electric heating element 802-stay pipe
901-low-pressure end oil cylinder section 902-high-pressure side oil cylinder section 903-cooling liquid circulation section 904-plunger
905-recirculated cooling water ring cavity A 906-feed pathway A 907-liquid outlet channel A
908-inlet A 909-inlet B 910-liquid outlet
1001-circulating cooling liquid ring cavity D 1701-circulating cooling liquid ring cavity B
1702-feed pathway B 1703-liquid outlet channel B
The specific embodiment
The present invention is described in further detail below in conjunction with accompanying drawing.
Sheet material warm liquid-filling shaping equipment of the present invention, as shown in Figure 1 and Figure 2, comprise general double action hydraulic press frame 1 and master cylinder 2, flanging cylinder 3, body of heater 4, heating plate A5, heating plate B6, heating plate C7, electric-heating assembly 8, booster 9, punch 10, die 11, blank holder 12 and liquid-filled chamber 13.
Wherein, frame 1 is made of with flanging crossbeam 105 base 101, column 102, entablature 103, master cylinder crossbeam 104; Column 102 is the n root, and n 〉=2 vertically are fixed on the base plate 14,102 of n root posts from top to bottom successively level be socketed with entablature 103, master cylinder crossbeam 104 and flanging crossbeam 105; Entablature 103 is relative fixing with 102 of n root posts, and master cylinder crossbeam 104 and flanging crossbeam 105 all and 102 employings of n root post be slidingly connected, can endwisely slip along n root post 102.Base 101 belows are equipped with shifting roller chassis 21, are convenient to the movement of sheet material warm liquid-filling shaping equipment.
Described master cylinder 2 and flanging cylinder 3 are used for respectively driving master cylinder crossbeam 104 and flanging crossbeam 105 freely-movable in stroke range.Wherein, master cylinder 2 all vertically is fixed on the entablature 103 with the cylinder body end of flanging cylinder 3, and master cylinder 2 is connected with master cylinder crossbeam 104, flanging crossbeam 105 respectively with the telescopic end of flanging cylinder 3; Elongate or shorten by master cylinder 2 and the flexible of flanging cylinder 3 thus, drive respectively master cylinder crossbeam 104 and axially move up and down along n root post 102 with flanging crossbeam 105.
Described body of heater 4 is fixed on the base 101 by base plate 14, and base plate 14 plays load-bearing, heat-blocking action, prevents from damaging base 101.Body of heater 4 inside are heating chamber, are equipped with heat-insulation layer on body of heater 4 internal side wall and the end face, are used for shielding heating chamber internal heat and external environment condition and carry out heat exchange, guarantee the accuracy of sheet material forming temperature.
At the circumferentially even distribution quadruplet electric-heating assembly 8 of body of heater 4 madial walls, every cover electric-heating assembly 8 is made of 6 electric heating elements 801,6 electric heating elements 801 vertically uniformly-spaced are fixedly mounted on the heat-insulation layer by ceramic support pipe 802, and each electric heating element 801 surface all is equipped with ceramic protective sleeve; Take two electric heating elements 801 as one group, every cover electric-heating assembly 8 can form three thermals treatment zone at body of heater 4 madial walls thus, makes and forms totally 12 thermals treatment zone on body of heater 4 madial walls.Each electric heating element 801 all by controllable silicon executive component control heating-up temperature and heating power, makes each electric heating element 801 operating temperature can reach 1000 ℃.Above-mentioned electric heating element 801 all adopts plug in construction, can select the material hot bodys such as economic and practical iron, chromium, aluminium.Body of heater 4 internal work chamber is equipped with ceramic insulation backing plate 15 on the bottom surface, the pressure that produces during work that ceramic insulation backing plate 15 is used for bearing whole equipment, and the material that employing can be born HTHP and be had better heat-insulating property, as: aluminum silicate ceramic etc.; Consider that the characteristic of crackle easily occurs ceramic insulation backing plate 15 in the differential pressure situation, therefore install metal additional in ceramic insulation backing plate 15 circumferential side wall and hold frame, the tendency of crackle occurs in restriction ceramic insulation backing plate 15.
Described ceramic insulation backing plate 15 upper surfaces are installed with heating plate A5, liquid-filled chamber 13, heating plate B6 successively by bolt from the bottom to top; Wherein, liquid-filled chamber 13 inside are the topping up chamber, and the top has screwed hole, is used for connecting die 11; Die 11 bottoms have screw connection structure, inside has inner chamber, die 11 bottom thread syndetons are passed heating plate B6 and are threaded fixingly with liquid-filled chamber 13 screw top holes, and realize sealing by red copper pad and sealing ring, and the inner chamber of die 11 is communicated with the topping up chamber of liquid-filled chamber 13.Liquid-filled chamber 13 is connected with the high-pressure side of plunger type booster 9 and communicates, and the low-pressure end of booster 9 links to each other with oil pump, is used for to liquid-filled chamber 13 internal feed highly pressurised liquids by booster 9, and the oil liquid pressure value in the assurance liquid-filled chamber 13 remains and meets process route; Heating plate A5 and heating plate B6 inside all laterally uniformly-spaced have the through hole that is parallel to each other, interpolation adopts the heating rod A of stainless steel heat-generating pipe material, be die 11 and liquid-filled chamber 13 internal high pressure liquid warmings by heating plate A5 and heating plate B6, the heating region that guarantees heating plate A5 and heating plate B6 reaches enough temperature, and keeps the uniformity in temperature field.Described 11 weeks of die upwards also are equipped with splash pan 16, the fluid that the flange arrangement lower surface that forms at die 11 end faces from Sheet Metal Forming for collection overflows.
Above-mentioned booster 9 is comprised of high-pressure side oil cylinder section 902, low-pressure end oil cylinder section 901, cooling liquid circulation section 903, plunger 904.Wherein, high-pressure side oil cylinder section 902 links to each other by cooling liquid circulation section 903 with low-pressure end oil cylinder section 901 and communicates, and is provided with plunger 904 in low-pressure end oil cylinder section 902.Above-mentioned low-pressure end oil cylinder section end 901 has inlet A908; High-pressure side oil cylinder section 902 front ends have liquid outlet 910; Normal Atmospheric Temperature Liquid can be pumped in the low-pressure end oil cylinder section 901 by inlet A908 by oil pump thus, thereby plunger 904 can pressurize the high-voltage oil cylinder inner fluid, and pump normal temperature high voltage liquid from liquid outlet 910.Because the normal temperature high voltage liquid that booster 9 is injected in the topping up chamber can be heated by body of heater 4 interior heater spares, Normal Atmospheric Temperature Liquid temperature in the booster 9 is also risen thereupon, in order to prevent that oil pump from damaging, have circulating cooling liquid ring cavity A905 on above-mentioned cooling liquid circulation section 903 internal circumferential, have feed pathway A906 and the liquid outlet channel A907 that is communicated with circulating cooling liquid ring cavity A905 on cooling liquid circulation section 903 outer walls, after by feed pathway A906 cooling liquid (water or oil) being injected circulating cooling liquid ring cavity A905 thus, discharged by liquid outlet channel A907, as shown in Figure 3, thus can be in the cooling that realizes the high-temp liquid in booster 9.Have inlet B909 on above-mentioned low-pressure end oil cylinder section 902 front end side wall, at booster 9 after hours, can be by carry Normal Atmospheric Temperature Liquid to inlet B909 to low-pressure end oil cylinder section front end, with plunger playback (even booster 9 is got back to original state).
Described punch 10 tops are threaded in punch connecting rod 17 1 ends of stainless steel, and 104 bolts of punch connecting rod 17 other ends and master cylinder crossbeam are connected, and punch 10 is positioned at directly over the inner chamber of die 11; Have circulating cooling liquid ring cavity B 1702 on punch connecting rod 17 internal circumferential; Have the feed pathway B1702 and the liquid outlet channel B1703 that are communicated with circulating cooling liquid ring cavity B 1702 on punch connecting rod 17 outer walls; After by feed pathway B1702 cooling liquid (water or oil) being injected circulating cooling liquid ring cavity B1701, can be discharged by liquid outlet channel B1703, as shown in Figure 4, can prevent that thus master cylinder crossbeam 104 is overheated.Blank holder 12 is horizontally disposed with, and makes punch 10 bottoms be positioned at the port of blank holder 12; Blank holder 12 end faces are fixed with heating plate C7, heating plate C7 links to each other with flanging crossbeam coldplate 19 by blank holder connecting rod 18, flanging crossbeam coldplate 19 is fixed on the flanging crossbeam 105, realize thus the relative positioning of 105 on blank holder 12 and flanging crossbeam, and be designed with the cooling duct in the flanging crossbeam coldplate 19, by injecting cooling water, flanging crossbeam coldplate 19 can be cooled off flanging crossbeam 105, prevent that flanging crossbeam 105 is overheated.Blank holder 12 circumferentially and punch connecting rod 17,18 on blank holder connecting rod be provided with oil blocking cover 20, prevent by oil blocking cover 20 that fluid in the sheet material warm liquid-filling shaping equipment course of work from splashing and enter into body of heater 4 inside.Blank holder connecting rod 18 inside have circulating cooling liquid ring cavity C equally, and the feed pathway C and the liquid outlet channel C that communicate with circulating cooling liquid ring cavity C, identical with circulating cooling liquid ring cavity B1701, feed pathway B1702, the liquid outlet channel B1703 mode of the 17 phase indoor designs of punch connecting rod; Can be discharged by liquid outlet channel C after by feed pathway C cooling liquid (water or oil) being injected circulating cooling liquid ring cavity C, prevent further that thus flanging crossbeam 105 is overheated.Equally laterally uniformly-spaced have through hole among the described heating plate C7, interpolation adopts the heating rod B of stainless steel heat-generating pipe material.
Also comprise the control system that electric control unit, temperature measurement unit and pressure measurement cell consist of among the present invention; Wherein, temperature measurement unit is thermocouple sensor, is used for measuring the high-temperature high-pressure liquid temperature in body of heater 4 inside and the liquid-filled chamber 13, and the temperature signal that records is sent to electric control unit; Pressure measurement cell is used for measuring in the liquid-filled chamber 13 and the pressure between blank holder 12 and die 11 end faces, and the pressure signal that records is sent to electric control unit; Electric control unit is used for controlling the work of heating rod A, heating rod B and controllable silicon executive component and master cylinder 2,3 work of flanging cylinder; Electric control unit is according to the temperature signal that receives thus, the heating-up temperature of control heating rod A and heating rod B, the heating-up temperature of regulating each electric heating element 801 by control controllable silicon executive component, thus guarantee sheet material in the forming process everywhere temperature value meet the process route of formulation; And electric control unit is controlled the telescopic end collapsing length of master cylinder 2 and flanging cylinder 3 also according to the pressure signal that receives, and then the pressure between control blank holder 12 and sheet material.
The below describes the course of work of sheet material warm liquid-filling shaping equipment of the present invention:
At first, in the inner chamber of liquid-filled chamber 13 internal filled liquid chambeies and die 11, be full of highly pressurised liquid by booster 9, prefabricated sheet material is placed on the end face of die 11, telescopic end by hydraulic control system control master cylinder 2 and flanging cylinder 3 extends subsequently, driving respectively flanging crossbeam 105 moves downward with girder, until blank holder 12 is pressed in sheet material on punch 10 end faces, stop master cylinder 2 and 3 work of flanging cylinder, finish the matched moulds process; In the above-mentioned matched moulds process, the pressure of controlling 12 pairs of sheet materials of blank holder according to the pressure signal control of pressure sensor Real-time Feedback is of moderate size, and compresses sheet material, but sheet material is not killed on punch 10 end faces, and sheet material has mobile.
Respectively die 11, liquid-filled chamber 13 mesohigh liquid, blank holder 12 and sheet material are heated by heating plate A5, heating plate B6, heating plate C7 and electric-heating assembly 8 on request according to the temperature signal of thermocouple sensor feedback subsequently until reach temperature required after, utilize booster 9 in the inner chamber of liquid-filled chamber 13 and die 11, to continue to pass into highly pressurised liquid, sheet material is carried out necessary pre-bulging, make the sheet material at the die 11 upper surface places certain altitude that bulges, when arriving needed bulging height, control punch 10 continues operation downwards; Because booster 9 continues to pass into highly pressurised liquid in liquid-filled chamber 13, needed pressure in the time of can producing sheet material forming; Simultaneously, pass into cooling medium in the cooling liquid circulation section 903 in punch connecting rod 17, blank holder connecting rod 18, the booster 9, the unlikely excess Temperature of assurance equipment and causing danger improves the equipment continuous working period; Finally, sheet material pressurized and abutting in tightly on the punch 10 forms the part accurate consistent with punch 10 shapes.
Also can be on punch 10 internal circumferential in the sheet material warm liquid-filling shaping equipment of the present invention design cycle cooling liquid ring cavity D1001, as shown in Figure 5, circulating cooling liquid ring cavity D1001 is communicated with and then in the sheet material warm liquid-filling shaping equipment course of work with circulating cooling liquid ring cavity B1701 in the punch connecting rod 17, when passing into recirculated cooling water, the cooling water that enters in the circulating cooling liquid ring cavity B1701 also can enter into circulating cooling liquid ring cavity D1001, realize the cooling of punch 10, and then realize the temperature-differential forming technique of sheet material forming.Circulating cooling liquid ring cavity D1001 in the above-mentioned punch 10 can shape in advance, by the circulating cooling liquid ring cavity D1001 in the punch 10 is carried out shutoff or connection, carries out the switching of ausforming and temperature-differential forming technique.
Claims (10)
1. a sheet material warm liquid-filling shaping equipment is characterized in that: comprise frame, master cylinder, flanging cylinder, body of heater, heating plate A, heating plate B, heating plate C, electric-heating assembly, booster, punch, die, blank holder and liquid-filled chamber;
Wherein, frame is made of base, column, entablature, master cylinder crossbeam and flanging crossbeam; Column is the n root, and n 〉=2 vertically are fixed on the base plate, between the n root post from top to bottom successively level be socketed with entablature, master cylinder crossbeam and flanging crossbeam; Relative fixing between entablature and n root post, and master cylinder crossbeam and flanging crossbeam are all and adopt between the n root post and be slidingly connected; The cylinder body end of described master cylinder and flanging cylinder all vertically is fixed on the entablature, and the telescopic end of master cylinder and flanging cylinder is connected with master cylinder crossbeam, flanging crossbeam respectively;
Described body of heater is arranged on the base, is equipped with heat-insulation layer on body of heater internal side wall and the end face; Circumferentially evenly be provided with electric-heating assembly at the furnace body inside wall, electric-heating assembly is by controllable silicon executive component control heating-up temperature and heating power; On the body of heater inner bottom surface heat insulation tie-plate is installed; The heat insulation tie-plate upper surface is installed with heating plate A, liquid-filled chamber, heating plate B from the bottom to top successively; The die bottom is connected with the liquid-filled chamber top; The inner chamber of die is communicated with the topping up chamber of liquid-filled chamber; Liquid-filled chamber is connected with the high-pressure side of booster and communicates, and the low-pressure end of booster links to each other with oil pump;
Described punch top links to each other with punch connecting rod one end, and the punch connecting rod other end and master cylinder crossbeam are connected, and punch is positioned at directly over the inner chamber of die; Have circulating cooling liquid ring cavity B on the punch connecting rod internal circumferential; Have the feed pathway B and the liquid outlet channel B that are communicated with circulating cooling liquid ring cavity B on the punch connecting rod outer wall; Blank holder is horizontally disposed with, and makes the punch bottom be positioned at port; The blank holder end face is fixed with heating plate C, and heating plate C is connected by blank holder connecting rod and flanging crossbeam; Blank holder connecting rod inside has circulating cooling liquid ring cavity C, and the feed pathway C and the liquid outlet channel C that communicate with circulating cooling liquid ring cavity C.
2. a kind of sheet material warm liquid-filling shaping equipment as claimed in claim 1, it is characterized in that: described booster is comprised of with plunger high-pressure side oil cylinder section, low-pressure end oil cylinder section, cooling liquid circulation section; Wherein, high-pressure side oil cylinder section links to each other by cooling liquid circulation section with low-pressure end oil cylinder section and communicates, and is provided with plunger in low-pressure end oil cylinder section; Low-pressure end oil cylinder section end has inlet A; High-pressure side oil cylinder end front end has liquid outlet; And have inlet B on the low-pressure end oil cylinder section front end side wall; Above-mentioned cooling liquid circulation upwards has circulating cooling liquid ring cavity A intersegmental part week, has feed pathway A and the liquid outlet channel A that is communicated with circulating cooling liquid ring cavity A on the cooling liquid circulation section outer wall.
3. a kind of sheet material warm liquid-filling shaping equipment as claimed in claim 1, it is characterized in that: described die week upwards is equipped with splash pan.
4. a kind of sheet material warm liquid-filling shaping equipment as claimed in claim 1 is characterized in that: described blank holder circumferentially and between punch connecting rod, blank holder connecting rod is provided with oil blocking cover.
5. a kind of sheet material warm liquid-filling shaping equipment as claimed in claim 1 is characterized in that: all laterally uniformly-spaced have through hole, interpolation heating rod in described heating plate A, heating plate B, the heating plate C.
6. a kind of sheet material warm liquid-filling shaping equipment as claimed in claim 1 is characterized in that: design cycle cooling liquid ring cavity D on the described punch internal circumferential makes circulating cooling liquid ring cavity D be communicated with circulating cooling liquid ring cavity B in the punch connecting rod.
7. a kind of sheet material warm liquid-filling shaping equipment as claimed in claim 1 is characterized in that: adopt between the punch connecting rod of described punch top to be threaded; Adopt between die and liquid-filled chamber to be threaded, and realize sealing by red copper pad and sealing ring.
8. a kind of sheet material warm liquid-filling shaping equipment as claimed in claim 1, it is characterized in that: described electric-heating assembly is 4 covers, and every cover electric-heating assembly is made of 6 electric heating elements, and 6 electric heating elements vertically uniformly-spaced are fixedly mounted on the heat-insulation layer.
9. a kind of sheet material warm liquid-filling shaping equipment as claimed in claim 8, it is characterized in that: described electric heating element surface all is equipped with ceramic protective sleeve.
10. a kind of sheet material warm liquid-filling shaping equipment as claimed in claim 1 is characterized in that: also comprise the control system that is made of electric control unit, temperature measurement unit and pressure measurement cell; Wherein, temperature measurement unit is thermocouple sensor, is used for measuring the high-temperature high-pressure liquid temperature that body of heater is inner and liquid-filled chamber is interior, and the temperature signal that records is sent to electric control unit; Pressure measurement cell is used for measuring in the liquid-filled chamber and the pressure between blank holder and die end face, and the pressure signal that records is sent to electric control unit; Electric control unit is used for controlling the work of heating rod and controllable silicon executive component and master cylinder, flanging cylinder working; Electric control unit is controlled the heating-up temperature of heating rod according to the temperature signal that receives thus, the heating-up temperature of regulating each electric heating element by controlling the controllable silicon executive component; And electric control unit is controlled the telescopic end collapsing length of master cylinder and flanging cylinder also according to the pressure signal that receives.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210579726.6A CN103056215B (en) | 2012-12-27 | 2012-12-27 | Warm/hot medium hydro-forming device for sheets |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210579726.6A CN103056215B (en) | 2012-12-27 | 2012-12-27 | Warm/hot medium hydro-forming device for sheets |
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| CN103056215A true CN103056215A (en) | 2013-04-24 |
| CN103056215B CN103056215B (en) | 2014-09-17 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108838260A (en) * | 2018-07-18 | 2018-11-20 | 重庆双龙机械配件有限公司 | Motorcycle pedal stamping device |
| CN112207169A (en) * | 2020-09-15 | 2021-01-12 | 比克希汽车科技（合肥）有限公司 | High-speed punching machine |
| CN115846497A (en) * | 2022-12-20 | 2023-03-28 | 烟台丛林精密机械有限公司 | Superplastic forming equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108838260A (en) * | 2018-07-18 | 2018-11-20 | 重庆双龙机械配件有限公司 | Motorcycle pedal stamping device |
| CN112207169A (en) * | 2020-09-15 | 2021-01-12 | 比克希汽车科技（合肥）有限公司 | High-speed punching machine |
| CN115846497A (en) * | 2022-12-20 | 2023-03-28 | 烟台丛林精密机械有限公司 | Superplastic forming equipment |
| CN115846497B (en) * | 2022-12-20 | 2024-02-23 | 烟台丛林精密机械有限公司 | Superplastic forming equipment |
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| CN103056215B (en) | 2014-09-17 |
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