CN104162948B - A kind of high intensity or inductile material hollow unit low pressure thermal forming device and method - Google Patents
A kind of high intensity or inductile material hollow unit low pressure thermal forming device and method Download PDFInfo
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- CN104162948B CN104162948B CN201410329790.8A CN201410329790A CN104162948B CN 104162948 B CN104162948 B CN 104162948B CN 201410329790 A CN201410329790 A CN 201410329790A CN 104162948 B CN104162948 B CN 104162948B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D26/00—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces
- B21D26/02—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces by applying fluid pressure
- B21D26/033—Deforming tubular bodies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D26/00—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces
- B21D26/02—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces by applying fluid pressure
- B21D26/033—Deforming tubular bodies
- B21D26/041—Means for controlling fluid parameters, e.g. pressure or temperature
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D26/00—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces
- B21D26/02—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces by applying fluid pressure
- B21D26/033—Deforming tubular bodies
- B21D26/045—Closing or sealing means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D26/00—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces
- B21D26/02—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces by applying fluid pressure
- B21D26/033—Deforming tubular bodies
- B21D26/047—Mould construction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/16—Heating or cooling
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- Mounting, Exchange, And Manufacturing Of Dies (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The present invention relates to a kind of high intensity or inductile material hollow unit low pressure thermal forming device and method.Comprising the following steps: mould prepares, initial pipe prepares, and selects the suitably initial pipe of size, and blank end is sealed by left sealing punch and right sealing punch, moves on to the most together specify position；Left electrode moves to right electrode contact with initial pipe, adjusts air relief valve, and on and off switch closes, and mold is descending, promotes pipe to shape further, controls air pressure inside, until mould Guan Bi；Pressurize, continues to pipe to shape；On and off switch disconnects, and opens cooling medium switch, and to the internal logical cooling medium of pipe, retrogressing is taken out to not affecting drip molding, opened mould, takes out drip molding；Providing the benefit that: when solving existing apparatus and process forming high intensity or inductile hollow unit, resistance of deformation is big, and drip molding evenness of wall thickness difference and d type precision are the highest, easily rupture, and efficiency is low with the problem that cannot synchronize to carry out heat treatment.
Description
Technical field
The present invention relates to machinery production field, particularly to a kind of high intensity or inductile material hollow unit low pressure thermal forming device and method.
Background technology
The composite bending modulus high due to hollow section component and modulus of rigidity are it is considered to be realize structure lightened optimum structure form.It is widely used in the industries such as Aeronautics and Astronautics, automobile and bicycle.Fluid internal pressure shapes the advanced forming technique being to process this class A of geometric unitA.The know-why that fluid internal pressure shapes is initial blank inside to apply high pressure medium make blank perimeter of section increase and shape the hollow member of different cross section form.The essence of its deformation is parison swell deformation.But this kind of deformation pattern has limitation, it is impossible to or the shaping of plasticity relatively low material higher for intensity, its reason shows as following several respects:
One, for needing the material of phase transformation strengthening cannot realize heat treatment in forming process.
Two, due to intrinsic pressure for uniquely deforming driving force, only pressure is only possible to order about tubing and is fully formed when reaching the highest, therefore must be equipped with special high-power supercharger, simultaneously by superhigh pressure sealing technical limitations, when form high strength or inductile material hollow unit, difficulty is the biggest.Additionally, for providing enough mold clamping force, it is necessary to use large-tonnage equipment.The problems referred to above hinder the engineer applied of this technology significantly.
Its three, mainly produce required odd-shaped cross section by dilatancy owing to fluid internal pressure shapes, and dilatancy pattern belong to double tensile stress state, for the material that plasticity is relatively low, easily ruptures, this technology existence the biggest defect when thus be accordingly used in Al alloys andMg alloys.
Its four, the most relatively low for its elastic modelling quantity of Materials with High Strength, during shaping, elastic return is violent, form accuracy that room temperature fluid internal pressure shapes it is difficult to ensure that.
There is scholar to propose hot interior pressing formation, although the method solves the problem of forming limit, but exacerbate the problem of wall unevenness, and the restriction of heated medium supercharger and the restriction of gases at high pressure safety problem, it is unsuitable for engineer applied.
For these reasons, transfer to being bent into primary deformable pattern, change fluid internal pressure to shape with the drawback being expanded to unique deformation pattern, and make full use of that the change of member section in high temperature volumetric expansion and forming process causes intrinsic pressure be that deformation provides driving force from increasing characteristics, the problem avoiding under traditional handicraft, supercharger being depended on unduly, drip molding springback capacity is big, form accuracy is low and evenness of wall thickness is poor, reduce technology difficulty, widen the technique scope of application, improve the motive power that forming quality is the present invention.
Summary of the invention
The purpose of the present invention is aiming at the drawbacks described above that prior art exists, a kind of high intensity or inductile material hollow unit low pressure thermal forming device and method are provided, when it mainly solves existing apparatus and process forming high intensity or inductile hollow unit, resistance of deformation is big, drip molding evenness of wall thickness difference and d type precision are the highest, easily rupturing, efficiency is low and the problem that cannot synchronize to carry out heat treatment.
A kind of high intensity or inductile material hollow unit low pressure thermal forming device, including left electrode (2), left sealing punch (3), mold (15), right electrode (16), right sealing punch (17) and lower mold (21), it is characterized in that: described mold (15) is connected with upper table (11), and lower mold (21) is connected with lower table (1)；Left sealing punch (3) is connected with outside cooling medium source (6) by Filled Dielectrics passage (5) and cooling medium switch (4), is connected with extraneous gas medium source (9) by check valve (7), air relief valve (8) and air inlet switch (10) simultaneously；Right sealing punch (17) has pressure release passage (19) and is connected with relief valve (18)；Left electrode (2) and right electrode (16) are connected with power supply (14) by wire (12) and on and off switch (13)；
By left sealing punch (3) and right sealing punch (17) to initial pipe (20) end seal, and move on to specify position；Left electrode (2) moves to right electrode (16) contact with initial pipe (20), and left electrode (2) is arranged on the right side of left sealing punch (3), and right electrode (16) is arranged on the left side of right sealing punch (17).
The section girth of above-mentioned initial pipe (20) is equal to 0.5-1.5 times of whole drip molding perimeter of section.
Above-mentioned on and off switch (13) Guan Bi, and quickly the pipe entirety sealing energising is moved in the die cavity of lower mold (21), wherein, traveling time is less than 60 seconds.
It is descending that above-mentioned mold (15) presses setting curve, compression pipe bring it about flexural deformation, pipe sectional area reduces therewith, internal pressure raise, promote pipe to shape, whole during by relief valve (18) control air pressure inside.
A kind of high intensity that the present invention mentions or the inductile material hot formed method of hollow unit low pressure, comprise the following steps:
Step one: mould prepares, first corresponding left electrode (2), left sealing punch (3), mold (15), right electrode (16), right sealing punch (17) and lower mold (21) are designed according to Components Shape, described mold (15) is connected with upper table (11), and lower mold (21) is connected with lower table (1)；Left sealing punch (3) is connected with outside cooling medium source (6) by Filled Dielectrics passage (5) and cooling medium switch (4), is connected with extraneous gas medium source (9) by check valve (7), air relief valve (8) and air inlet switch (10) simultaneously；Right sealing punch (17) has pressure release passage (19) and is connected with relief valve (18)；Left electrode (2) and right electrode (16) are connected with power supply (14) by wire (12) and on and off switch (13)；
Step 2: initial pipe prepares, selects the suitably initial pipe of size, and wherein, the section girth of initial pipe is equal to 0.5-1.5 times of whole drip molding perimeter of section, and initial pipe length is more than part length；
Step 3: blank end is sealed by left sealing punch (3) and right sealing punch (17), moves on to specify position the most together；
Step 4: left electrode (2) moves to contact with initial pipe with right electrode (16), and wherein, left electrode is arranged on the right side of left sealing punch, and right electrode is arranged on the left side of right sealing punch；
Step 5: adjust air relief valve (8), pressure is reduced to concrete technology desired value, then opens air inlet switch (10) to pipe internal ventilation body medium；
Step 6: on and off switch (13) closes, moves to the pipe entirety sealing energising in the die cavity of lower mold (21), and traveling time was less than 60 seconds；
Step 7: mold (15) is descending, compression pipe bring it about flexural deformation, pipe sectional area reduces therewith, and internal pressure raises further, promotes pipe to shape further, whole during by relief valve (18) control air pressure inside, until mould Guan Bi；
Step 8: pressurize, continues to pipe to shape；
Step 9: on and off switch (13) disconnects, opens cooling medium switch (4), and to the internal logical cooling medium of pipe, pressure increases to relief valve and opens, and gas flow and ventilation duration meet drip molding cooling technological requirement simultaneously；
Step 10: close cooling medium switch (4), left sealing punch (3), right sealing punch (17), left electrode (2) and right electrode (16) retreat to not affecting drip molding taking-up, open mould, take out drip molding (22).
Preferably, in above-mentioned step 5, reducing to 0 ~ 50MPa for Materials with High Strength pressure, inductile material pressure reduces to 0 ~ 40MPa.
Preferably, above-mentioned power supply is pulse current power supply
Preferably, the specific bit in step 3 is set to lower mold (21) or is easy to connect electrode zone.
Preferably, above-mentioned initial pipe (20) uses high-strength material or inductile material.
Preferably, above-mentioned cooling medium source (6) is cryogenic gas or liquid；Gas medium is room temperature air or cryogenic gas.
The invention has the beneficial effects as follows:
One, makes full use of the intrinsic pressure increase conduct deformation driving force that temperature own in technical process raises and change in volume causes, it is not necessary to optional equipment supercharger, technique is simple, low cost；
Its two, use and there is the cooling medium of certain pressure directly in mold cavity, component quenched, advantageously ensure that the geometric accuracy of drip molding, and improve process efficiency；
Its three, owing to the deformation pattern of this technique is based on flexural deformation, it is to avoid the adverse effect that under high temperature, hardenability value reduces, drip molding evenness of wall thickness is good, the technique suitability is strong；
Its four, quenched in hollow section member cavity by cooling medium, owing to medium directly contacts with component, rate of cooling is fast and uniformly, and performance is the best；
Its five, under hot forming, elastic deformation is extremely low, and drip molding is easily guaranteed that almost without resilience, drip molding form accuracy；
Its six, by large power supply directly to heating of pipe blank, speed is fast, and thermal losses is low, overcomes traditional hot fluid internal pressure forming efficiency low, it is impossible to the shortcoming meeting engineer applied；
The present invention is reasonable in design, reliable operation, effect notable, has stronger promotional value.
Accompanying drawing explanation
Fig. 1 is the structural representation of the mould of the present invention；
Fig. 2 is the A-A structure chart of the mould of the present invention；
Fig. 3 is mould matched moulds and quenching principle schematic diagram；
Fig. 4 is the B-B structure chart of Fig. 3；
In upper figure: lower table 1, left electrode 2, left sealing punch 3, cooling medium switch 4, Filled Dielectrics passage 5, cooling medium source 6, check valve 7, air relief valve 8, gas medium source 9, air inlet switch 10, upper table 11, wire 12, on and off switch 13, power supply 14, mold 15, right electrode 16, right sealing punch 17, relief valve 18, pressure release passage 19, initial pipe 20, lower mold 21, drip molding 22.
Detailed description of the invention
1-2 referring to the drawings, the invention will be further described:
A kind of high intensity that the present invention mentions or inductile material hollow unit low pressure thermal forming device, including left electrode 2, left sealing punch 3, mold 15, right electrode 16, right sealing punch 17 and lower mold 21, it is characterized in that: described mold 15 is connected with upper table 11, and lower mold 21 is connected with lower table 1；Left sealing punch 3 is connected with outside cooling medium source 6 by Filled Dielectrics passage 5 and cooling medium switch 4, is connected with extraneous gas medium source 9 by check valve 7, air relief valve 8 and air inlet switch 10 simultaneously；Right sealing punch 17 has pressure release passage 19 and is connected with relief valve 18；Left electrode 2 and right electrode 16 are connected with power supply 14 by wire 12 and on and off switch 13；
By left sealing punch 3 and right sealing punch 17 to initial pipe 20 end seal, and move on to specify position；Left electrode 2 moves to right electrode 16 contact with initial pipe 20, and left electrode 2 is arranged on the right side of left sealing punch 3, and right electrode 16 is arranged on the left side of right sealing punch 17.
The section girth of above-mentioned initial pipe 20 is equal to 0.5-1.5 times of whole drip molding perimeter of section.
Above-mentioned on and off switch 13 closes, and quickly the pipe entirety sealing energising is moved in the die cavity of lower mold 21, and wherein, traveling time is less than 60 seconds.
It is descending that above-mentioned mold 15 presses setting curve, compression pipe bring it about flexural deformation, pipe sectional area reduces therewith, internal pressure raise, promote pipe to shape, whole during pass through relief valve 18 control air pressure inside.
Referring to the drawings 3-4, a kind of high intensity that the present invention mentions or the inductile material hot formed method of hollow unit low pressure, comprise the following steps:
Step one: mould prepares, first designs corresponding left electrode 2, left sealing punch 3, mold 15, right electrode 16, right sealing punch 17 and lower mold 21 according to Components Shape, and above-mentioned same as the prior art, this does not repeats.Mold 15 is connected with upper table 11, and lower mold 21 is connected with lower table 1.Left sealing punch 3 is connected with outside cooling medium source 6 by Filled Dielectrics passage 5 and cooling medium switch 4, is connected with extraneous gas medium source 9 by check valve 7, air relief valve 8 and air inlet switch 10 simultaneously.Right sealing punch 17 has pressure release passage 19 and is connected with relief valve 18.Left electrode 2 and right electrode 16 are connected with power supply 14 by wire 12 and on and off switch 13.
Step 2: initial pipe prepares, selects the suitably initial pipe of size, and its main points are that the section girth of initial pipe is close with the section girth of whole drip molding, and the section girth of general initial pipe should be equal to 0.5-1.5 times of whole drip molding perimeter of section.Initial pipe length should be greater than part length, it is ensured that has enough sealing areas and electrode contact region.
Step 3: blank end is sealed by left sealing punch 3 and right sealing punch 17, moves on to specify position the most together.Sealing means is same as the prior art, and this does not repeats.
Step 4: left electrode 2 moves to contact with pipe with right electrode 16, its main points are that left electrode should be on the right side of left sealing punch, and right electrode should i.e. ensure l in the left side of right sealing punchaLess than lb。
Step 5: adjust air relief valve 8, pressure is reduced to concrete technology desired value, then opens air inlet switch 10 to pipe internal ventilation body medium.Its main points are for typically to reduce to 0 ~ 50MPa for Materials with High Strength pressure, and inductile material pressure typically reduces to 0 ~ 40MPa.
Step 6: on and off switch 13 closes, and quickly the pipe entirety sealing energising is moved in the die cavity of lower mold 21, its main points are that traveling time is less than 60 seconds.Along with the carrying out of energising, blank temperature constantly raises, and the flow stress of material declines, and elongation percentage improves, and pipe internal gas expanded by heating simultaneously, air pressure constantly raises.
Step 7: it is descending that mold 15 presses technique initialization curve, compression pipe brings it about flexural deformation, pipe sectional area reduces therewith, internal pressure raises further, pipe is promoted to shape further, air pressure inside maximum is controlled in concrete technology claimed range by relief valve 18 during whole, until mould Guan Bi.
Step 8: pressurize certain time, its main points are that pressurize continues to pipe to shape.
Step 9: on and off switch 13 disconnects, opens cooling medium switch 4, to the internal logical cooling medium of pipe, and certain time, its main points are that pressure increases to relief valve unlatching also, and gas flow and ventilation duration meet drip molding cooling technological requirement simultaneously.
Step 10: close cooling medium switch 4, left sealing punch 3, right sealing punch 17, left electrode 2 and right electrode 16 retreat to not affecting drip molding taking-up, open mould, take out drip molding 22.
Wherein, the power supply that the present invention mentions is large power supply, and large power supply is current range 0-5000000A, the power supply of voltage range 0-36V, and power supply is pulse current power supply, pulse frequency 0-10000Hz, amplitude 0-100000A, the power supply of voltage range 0-100000V.
Specific bit in step 3 be set to lower mold 21 or just be connected electrode zone；Specific bit in step 3 is set to the interior die cavity of lower mold 21；Specific bit in step 3 is set to be easy to connect electrode zone；
The high-strength material of initial pipe employing or inductile material, high-strength material is high-strength steel or titanium alloy, and high-strength steel is 22MnB5, and titanium alloy is TC4；Inductile material is aluminium alloy or magnesium alloy, aluminium alloy be 2000 be, 5000 be 6000 to be or 7000 line aluminium alloys；
Cooling medium is cryogenic gas or liquid, and gas medium is room temperature air or cryogenic gas, and gas medium is cryogenic gas.
Claims (9)
1. a high intensity or inductile material hollow unit low pressure thermal forming device, including left electrode (2), left sealing punch (3), mold (15), right electrode (16), right sealing punch (17) and lower mold (21), it is characterized in that: described mold (15) is connected with upper table (11), and lower mold (21) is connected with lower table (1)；Left sealing punch (3) is connected with outside cooling medium source (6) by Filled Dielectrics passage (5) and cooling medium switch (4), is connected with extraneous gas medium source (9) by check valve (7), air relief valve (8) and air inlet switch (10) simultaneously；Right sealing punch (17) has pressure release passage (19) and is connected with relief valve (18)；Left electrode (2) and right electrode (16) are connected with power supply (14) by wire (12) and on and off switch (13)；
By left sealing punch (3) and right sealing punch (17) to initial pipe (20) end seal, and move on to specify position；Left electrode (2) moves to right electrode (16) contact with initial pipe (20), and left electrode (2) is arranged on the right side of left sealing punch (3), and right electrode (16) is arranged on the left side of right sealing punch (17)；
The section girth of described initial pipe (20) is equal to 0.5-1.5 times of whole drip molding perimeter of section.
High intensity the most according to claim 1 or inductile material hollow unit low pressure thermal forming device, it is characterized in that: described on and off switch (13) Guan Bi, and quickly the pipe entirety sealing energising is moved in the die cavity of lower mold (21), wherein, traveling time is less than 60 seconds.
High intensity the most according to claim 1 or inductile material hollow unit low pressure thermal forming device, it is characterized in that: described mold (15) is descending by setting curve, compression pipe brings it about flexural deformation, pipe sectional area reduces therewith, internal pressure raises, promote pipe to shape, whole during by relief valve (18) control air pressure inside.
4. use the high intensity according to any one of claim 1-3 or a method for inductile material hollow unit low pressure thermal forming device, it is characterized in that comprising the following steps:
Step one: mould prepares, first corresponding left electrode (2), left sealing punch (3), mold (15), right electrode (16), right sealing punch (17) and lower mold (21) are designed according to Components Shape, described mold (15) is connected with upper table (11), and lower mold (21) is connected with lower table (1)；Left sealing punch (3) is connected with outside cooling medium source (6) by Filled Dielectrics passage (5) and cooling medium switch (4), is connected with extraneous gas medium source (9) by check valve (7), air relief valve (8) and air inlet switch (10) simultaneously；Right sealing punch (17) has pressure release passage (19) and is connected with relief valve (18)；Left electrode (2) and right electrode (16) are connected with power supply (14) by wire (12) and on and off switch (13)；
Step 2: initial pipe prepares, selects the suitably initial pipe of size, and wherein, the section girth of initial pipe is equal to 0.5-1.5 times of whole drip molding perimeter of section, and initial pipe length is more than part length；
Step 3: blank end is sealed by left sealing punch (3) and right sealing punch (17), moves on to specify position the most together；
Step 4: left electrode (2) moves to contact with initial pipe with right electrode (16), and wherein, left electrode is arranged on the right side of left sealing punch, and right electrode is arranged on the left side of right sealing punch；
Step 5: adjust air relief valve (8), pressure is reduced to concrete technology desired value, then opens air inlet switch (10) to pipe internal ventilation body medium；
Step 6: on and off switch (13) closes, moves to the pipe entirety sealing energising in the die cavity of lower mold (21), and traveling time was less than 60 seconds；
Step 7: mold (15) is descending, compression pipe bring it about flexural deformation, pipe sectional area reduces therewith, and internal pressure raises further, promotes pipe to shape further, whole during by relief valve (18) control air pressure inside, until mould Guan Bi；
Step 8: pressurize, continues to pipe to shape；
Step 9: on and off switch (13) disconnects, opens cooling medium switch (4), and to the internal logical cooling medium of pipe, pressure increases to relief valve and opens, and gas flow and ventilation duration meet drip molding cooling technological requirement simultaneously；
Step 10: close cooling medium switch (4), left sealing punch (3), right sealing punch (17), left electrode (2) and right electrode (16) retreat to not affecting drip molding taking-up, open mould, take out drip molding (22).
High intensity the most according to claim 4 or the inductile material hot formed method of hollow unit low pressure, is characterized in that:
In above-mentioned step 5, reducing to 0 ~ 50MPa for high-strength material pressure, inductile material pressure reduces to 0 ~ 40MPa.
High intensity the most according to claim 4 or the inductile material hot formed method of hollow unit low pressure, is characterized in that: described power supply is pulse current power supply.
High intensity the most according to claim 4 or the inductile material hot formed method of hollow unit low pressure, is characterized in that: the specific bit in step 3 is set to lower mold (21) or is easy to connect electrode zone.
High intensity the most according to claim 4 or the inductile material hot formed method of hollow unit low pressure, is characterized in that: described initial pipe (20) uses high-strength material or inductile material.
High intensity the most according to claim 4 or the inductile material hot formed method of hollow unit low pressure, is characterized in that: described cooling medium source (6) is cryogenic gas or liquid.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410329790.8A CN104162948B (en) | 2014-07-11 | 2014-07-11 | A kind of high intensity or inductile material hollow unit low pressure thermal forming device and method |
| CN201610568082.9A CN106180347A (en) | 2014-07-11 | 2014-07-11 | A kind of hollow unit low pressure thermal forming device |
| CN201610549347.0A CN106180345B (en) | 2014-07-11 | 2014-07-11 | A kind of high intensity or the hot formed method of inductile material hollow unit low pressure |
| CN201610568064.0A CN106180346B (en) | 2014-07-11 | 2014-07-11 | A kind of low pressure thermal forming device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410329790.8A CN104162948B (en) | 2014-07-11 | 2014-07-11 | A kind of high intensity or inductile material hollow unit low pressure thermal forming device and method |
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| CN201610568082.9A Division CN106180347A (en) | 2014-07-11 | 2014-07-11 | A kind of hollow unit low pressure thermal forming device |
| CN201610549347.0A Division CN106180345B (en) | 2014-07-11 | 2014-07-11 | A kind of high intensity or the hot formed method of inductile material hollow unit low pressure |
| CN201610568064.0A Division CN106180346B (en) | 2014-07-11 | 2014-07-11 | A kind of low pressure thermal forming device |
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| CN104162948A CN104162948A (en) | 2014-11-26 |
| CN104162948B true CN104162948B (en) | 2016-08-24 |
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| CN201610568082.9A Pending CN106180347A (en) | 2014-07-11 | 2014-07-11 | A kind of hollow unit low pressure thermal forming device |
| CN201610549347.0A Expired - Fee Related CN106180345B (en) | 2014-07-11 | 2014-07-11 | A kind of high intensity or the hot formed method of inductile material hollow unit low pressure |
| CN201410329790.8A Active CN104162948B (en) | 2014-07-11 | 2014-07-11 | A kind of high intensity or inductile material hollow unit low pressure thermal forming device and method |
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| CN201610568064.0A Expired - Fee Related CN106180346B (en) | 2014-07-11 | 2014-07-11 | A kind of low pressure thermal forming device |
| CN201610568082.9A Pending CN106180347A (en) | 2014-07-11 | 2014-07-11 | A kind of hollow unit low pressure thermal forming device |
| CN201610549347.0A Expired - Fee Related CN106180345B (en) | 2014-07-11 | 2014-07-11 | A kind of high intensity or the hot formed method of inductile material hollow unit low pressure |
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| CN104525746B (en) * | 2015-01-06 | 2016-11-02 | 哈尔滨工业大学（威海） | A kind of quickly heating and forming integrated device and method |
| CN106311857B (en) * | 2015-12-21 | 2017-11-07 | 青岛世冠装备科技有限公司 | A kind of swollen manufacturing process of complex section hollow member low pressure upsetting |
| CN106623577B (en) * | 2016-09-27 | 2018-08-17 | 贺州学院 | A kind of wave hydraulic loaded method |
| CN110461491B (en) * | 2017-03-30 | 2021-03-23 | 住友重机械工业株式会社 | Molding device |
| CA3049630A1 (en) * | 2017-03-30 | 2018-10-04 | Sumitomo Heavy Industries, Ltd. | Forming system |
| CN107597966B (en) * | 2017-10-11 | 2019-04-12 | 南京工程学院 | A kind of pneumatic hot forming process for quenching of unimach complex component |
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| DE102017223374A1 (en) | 2017-12-20 | 2019-06-27 | Bayerische Motoren Werke Aktiengesellschaft | Method for producing a profile component and profile component |
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| CN113510176B (en) * | 2020-04-10 | 2024-01-19 | 初冠南 | Pressurizing upsetting forming device |
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| CN111451351B (en) * | 2020-04-30 | 2022-08-09 | 初冠南 | Forming and integrating method for tubular part |
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| JPH01166919A (en) * | 1987-12-23 | 1989-06-30 | Fuji Heavy Ind Ltd | Manufacture of turbular composite material |
| JP4461626B2 (en) * | 2001-03-15 | 2010-05-12 | Ｊｆｅスチール株式会社 | Manufacturing method of steel pipe for hydroforming having strain aging |
| KR100616750B1 (en) * | 2004-02-24 | 2006-08-28 | 주식회사 성우하이텍 | A warm hydro-forming device |
| KR100907225B1 (en) * | 2007-05-23 | 2009-07-10 | 주식회사화신 | Hot forming apparatus and hot forming method |
| JP2009220141A (en) * | 2008-03-14 | 2009-10-01 | Marujun Co Ltd | Method and apparatus for manufacturing pipe product |
| CN101767461A (en) * | 2008-12-30 | 2010-07-07 | 陈占聪 | Inner and outer heating forming process for composition material tubing |
| TW201208849A (en) * | 2010-08-17 | 2012-03-01 | Chaun Choung Technology Corp | Method for manufacturing a pressed heat pipe |
| CN102228932B (en) * | 2011-04-22 | 2013-02-13 | 哈尔滨工业大学 | Forming method for improving stepped hollow reducing pipe wall thickness uniformity |
| CN103521588B (en) * | 2013-10-28 | 2015-04-22 | 哈尔滨工业大学 | Current-assisted titanium alloy bellows hot-forming tool and method |
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- 2014-07-11 CN CN201610568064.0A patent/CN106180346B/en not_active Expired - Fee Related
- 2014-07-11 CN CN201610568082.9A patent/CN106180347A/en active Pending
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Also Published As
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| CN106180345B (en) | 2018-07-20 |
| CN106180346A (en) | 2016-12-07 |
| CN106180347A (en) | 2016-12-07 |
| CN104162948A (en) | 2014-11-26 |
| CN106180345A (en) | 2016-12-07 |
| CN106180346B (en) | 2018-06-12 |
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Effective date of registration: 20170704 Address after: 266109 Shandong Province, Qingdao city Chengyang District Street projects Li Xian Zhuang community 970. Patentee after: Qingdao crown Equipment Technology Co., Ltd. Address before: 264000 No. 2, Wenhua West Road, Shandong, Weihai Patentee before: Chu Guannan |