CN101912956A - Rotary structure mold of complicated curved-surface component and stripping/closing method thereof - Google Patents
Rotary structure mold of complicated curved-surface component and stripping/closing method thereof Download PDFInfo
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- CN101912956A CN101912956A CN 201010263715 CN201010263715A CN101912956A CN 101912956 A CN101912956 A CN 101912956A CN 201010263715 CN201010263715 CN 201010263715 CN 201010263715 A CN201010263715 A CN 201010263715A CN 101912956 A CN101912956 A CN 101912956A
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Abstract
The invention discloses a rotary structure mold of a complicated curved-surface component, which comprises a connecting and fixing part, an ejection part, a lower mold stripping/closing structure part and an upper mold pressurizing and stripping/closing assisting part. The invention provides a mold and a fast stripping/closing method for the semisolid formation of a light alloy, and the mold designed by the method for the semisolid formation of a complicated curved-surface component (an impeller or a rotor) can realize fast stripping/closing, improve the efficiency and ensure the quality of the component.
Description
Technical field
The invention belongs to Semi-Solid Metals Forming technology field, be specifically related to a kind of rotary structure mold of complicated curved-surface component, the invention still further relates to the stripping/closing method that utilizes this mould.
Background technology
Complex-curved class part such as booster inducer, screw, rotor etc., part has a plurality of blades, and is complex-shaped, is plane of bending in the space, and torsional angle changes greatly, and overlap coefficient is big, and manufacture difficulty is big.At present, be shaped in die cast, semi-solid-state shaping, methods such as liquid forging all adopt the formula of inserting to divide mould when being shaped, and insert by artificial the taking-up, and the demoulding is extremely difficult, and sometimes even can't take out workpiece, efficient is low, is difficult to tissue production.
Existing mold take off matched moulds, adopt people's work point mould owing to be hot forming, the mold temperature height.Wait until that mold temperature lowers, chronic, during production, mould needs preheating again, and efficient is extremely low like this, loses practical significance.During artificial the taking-up,, cause part injured easily, produce waste product owing to will knock, prize and get part; Because efficient is low, it is long that part stops the mould time, easily causes the distortion of mold cavity inner surface, shortens die life; Labour intensity is big, can not automation.
Summary of the invention
The purpose of this invention is to provide a kind of rotary structure mold of complicated curved-surface component, solve existing rotary structure mold of complicated curved-surface component and take off the not high problem of matched moulds automaticity.
Another object of the present invention provides a kind of stripping/closing method that utilizes above-mentioned mould.
The technical solution adopted in the present invention is, a kind of rotary structure mold of complicated curved-surface component comprises that being connected and fixed part, ejecting mechanism part, counterdie takes off matched moulds structure division, patrix pressurization and take off the matched moulds slave part,
The described part that is connected and fixed comprises upper plate and lower shoe, lower shoe is provided with a storehouse, seat is provided with unsteady supporting plate in the storehouse, the middle part of unsteady supporting plate is provided with two cavitys, be respectively arranged with sealing ring gland and awl dish top board in these two cavitys from top to bottom, the seat storehouse has interstitial hole along the axle center, and the outer circular top part in seat storehouse is provided with annular trim ring, and lower shoe has centre bore along the axle center;
Described ejecting mechanism partly comprises the push rod that is arranged in the bottom center hole, also comprise be provided with in the interstitial hole on the storehouse eject the fork plate, eject in the fork plate and be provided with backing-out punch, be provided with mandrel in the backing-out punch; Push rod is made up of three round platforms that vary in size, looping boss between great circle and the roundlet, and the bottom surface that ejects the fork plate is sitting on the annular boss of push rod, and the upper end that ejects the fork plate is connected with awl dish top board jacking;
Described counterdie takes off the matched moulds structure division, be included in the tapered sleeve that the supporting plate top of floating is provided with, the inner surface of tapered sleeve is oblique bent periphery, be provided with two or more movable lobe piece assemblys in the tapered sleeve, admittedly detain circle by three fens arcs between each lobe piece assembly and be assembled into a circle, oblique bent periphery in the external peripheral surface of lobe piece assembly and the tapered sleeve fits, in the lobe piece assembly is die cavity, the external peripheral surface of lobe piece assembly has T type chute, put in the end that the branch mould is buckled in the T type chute, the bottom of lobe piece assembly is arranged on the supporting plate that floats, lobe piece assembly is positioned at awl dish top board top simultaneously, the top of tapered sleeve has the T type gland of screw a to be connected with the whole solid circle of buckleing by string, divide the other end of mould button to be arranged in the whole solid button circle, the outer setting of tapered sleeve has the tapered sleeve trim ring, and the tapered sleeve trim ring is connected with unsteady supporting plate by screw b;
Described patrix pressurizes and takes off the matched moulds slave part, comprise the hollow punch that is arranged on the die cavity top, be provided with plug screw and core bar boss in the cavity of hollow punch, between plug screw and core bar boss, spring is installed, the core bar boss mandrel interior with being arranged on backing-out punch is connected, the outer setting of hollow punch has long cover, long cover is the step barrel shaped structure of full circle swinging, the step on edge is provided with semicircle annular groove b in its lower end, be provided with ball a in the semicircle annular groove b, fixedlying connected with upper plate in the top of long cover, fixedlys connected with upper plate in the top of plug screw.
Another technical scheme of the present invention is, a kind of stripping/closing method of rotary structure mold of complicated curved-surface component is specifically implemented according to following steps:
Step 1: use the gas-preheating mould, when treating that lobe piece assembly temperature reaches 100-150 ℃, spray lubricant, continue preheated mold then, make mold temperature reach 300-350 ℃ with High Pressure Gun;
Step 2: part forming, with semi-solid alloy slurry under 625-635 ℃ of pouring temperature, inject die cavity, descending hydraulic press moved cross beam, after treating the mould matched moulds, the hydraulic press moved cross beam is descending with the speed continuation of 1mm/s, and upper plate drives hollow punch and presses down, make alloy pulp be full of die cavity, pressurize 60-90 second;
Step 3: the demoulding, the hydraulic press moved cross beam lifts, upper plate, long cover, hollow punch rises, the action of hydraulic press liftout tank, upwards, drive successively and eject fork arm the push rod application of force, awl dish top board, lobe piece assembly moves upward, and lobe piece assembly moves on one side, rotation on one side outwards separately, hollow punch rotates on the long ball a that puts, treat that part is thrown off after, the hydraulic press liftout tank continues to eject push rod, continue to drive backing-out punch, mould in the die cavity moves upward, part and counterdie break away from fully, and rise, and the core bar boss pushes mandrel downwards under spring action simultaneously, make mandrel and part separate, take out part;
Step 4: after matched moulds, part take out, the backhaul of hydraulic press liftout tank, push rod, eject fork arm, awl dish top board is got back to initial position, lobe piece assembly is in deadweight and divide under the effect of mould button, slips into initial position along the rotation of T type chute, begins next circulation.
Characteristics of the present invention also are,
Leave the gap between push rod wherein and the bottom center hole.
Ball a wherein is provided with two or more.
The place, close outer end of unsteady supporting plate wherein is provided with semi-round ring shape groove a, is provided with ball b in the semi-round ring shape groove a, and ball b is provided with two or more.
The upper surface of two or more lobe piece assemblys wherein closes admittedly by the lobe hoop.
The beneficial effect of rotary structure mold of complicated curved-surface component of the present invention and stripping/closing method thereof is, mould when a kind of light-alloy semi-solid-state shaping is provided and stripping/closing method fast.Mould when utilizing this method to design the semi-solid-state shaping of complex-curved class part impeller, rotor can take off fast, matched moulds, raises the efficiency, and guarantees part quality.
Description of drawings
Fig. 1 is the structural representation of rotary structure mold of complicated curved-surface component of the present invention;
Fig. 2 is a rotary structure mold of complicated curved-surface component demoulding running orbit schematic diagram of the present invention;
Fig. 3 is the structural representation of tapered sleeve in the rotary structure mold of complicated curved-surface component of the present invention;
Fig. 4 is the structural representation of unsteady supporting plate in the rotary structure mold of complicated curved-surface component of the present invention;
Fig. 5 is the structural representation of push rod in the rotary structure mold of complicated curved-surface component of the present invention;
Fig. 6 is the structural representation of long cover in the rotary structure mold of complicated curved-surface component of the present invention.
Among the figure, 1. a storehouse, 2. lower shoe, 3. push rod, 4. eject the fork plate, 5. backing-out punch, 6. awl dish top board, 7. mandrel, 8. die cavity, 9. lobe piece assembly, 10. hollow punch, 11. the core bar boss, 12. plug screws, 13. springs, 14. upper plate, 15. long covers, 16. ball a, 17. the lobe hoop, 18. screw a, 19. fens mould buttons, 20.T the type gland, 21. whole solid button circles, 22. screw b, 23. the tapered sleeve trim ring, arc was detained circle admittedly in 24. 3 minutes, 25. tapered sleeves, 26. ring-like trim ring, 27. ball b, 28. sealing ring glands, the supporting plate 29. float, 30. semicircle annular groove a, 31. semicircle annular groove b.
The specific embodiment
The present invention is described in detail below in conjunction with the drawings and specific embodiments.
Fig. 1 is the half side cutaway view of rotary structure mold of complicated curved-surface component structure of the present invention, the mould mesopetalum piece assembly 9 of following example structure and three fens arcs are buckled circle 24 admittedly and are respectively arranged with three, the mould remainder is a symmetrical structure, comprises that being connected and fixed part, ejecting mechanism part, counterdie takes off matched moulds structure division, patrix pressurization and take off the matched moulds slave part.
Be connected and fixed part and comprise upper plate 14 and lower shoe 2, upper plate 14 is connected with the hydraulic press moved cross beam, lower shoe 2 is fixed on the hydraulic press work top, lower shoe 2 is provided with a storehouse 1, seat is provided with the supporting plate 29 that floats in the storehouse 1, as shown in Figure 4, the supporting plate 29 that floats is Full Rotary structure, there are two cavitys at the middle part, be respectively arranged with sealing ring gland 28 and awl dish top board 6 in these two cavitys from top to bottom, the place, close outer end of unsteady supporting plate 29 is provided with semi-round ring shape groove a30, be provided with ball b27 in the semi-round ring shape groove a30, ball b27 has 200 φ 8 spherical ball, and seat storehouse 1 has interstitial hole along the axle center, lower shoe 2 has centre bore along the axle center, and the outer circular top part in seat storehouse 1 is provided with annular trim ring 26.
Ejecting mechanism partly comprises the push rod 3 that is arranged in lower shoe 2 centre bores, leave the free gap between push rod 3 and the centre bore, comprise that also interior the ejecting of being provided with of interstitial hole pitched plate 4 on the storehouse 1, the bottom surface that ejects fork plate 4 is sitting on the annular boss of push rod 3, as shown in Figure 5, push rod 3 is a revolving body that 3 round platforms that vary in size are formed, and annular boss is the great circle step between great circle and the roundlet.The upper end that ejects fork plate 4 is connected with awl dish top board 6 jackings.Eject in the fork plate 4 and be provided with backing-out punch 5, be provided with mandrel 7 in the backing-out punch 5.
Counterdie takes off the matched moulds structure division, be included in the tapered sleeve 25 that supporting plate 29 tops of floating are provided with, the inner surface of tapered sleeve 25 is oblique bent periphery, be provided with the lobe piece assembly 9 of a plurality of activities in the tapered sleeve 25, admittedly detain circle 24 by three fens arcs between each lobe piece assembly 9 and be assembled into a circle, the oblique bent periphery in the external peripheral surface of lobe piece assembly 9 and the tapered sleeve 25 fits, and is die cavity 8 in the lobe piece assembly 9, lobe hoop 17 is contained in lobe piece assembly 9 upper surfaces, in order to solid sympetalous assembly 9; The external peripheral surface of lobe piece assembly 9 has T type chute, put in the branch mould in the T type chute and buckle an end of 19, the bottom of lobe piece assembly 9 is arranged on the supporting plate 29 that floats, lobe piece assembly 9 is positioned at awl dish top board 6 tops simultaneously, as shown in Figure 3, the top of tapered sleeve 25 has the T type gland 20 of screw a18 to be connected with the whole solid circle 21 of buckleing by string, divide the other end of mould button 19 to be arranged in the whole solid button circle 21, the outer setting of tapered sleeve 25 has tapered sleeve trim ring 23, and tapered sleeve trim ring 23 is connected with unsteady supporting plate 29 by screw b22.
Patrix pressurizes and takes off the matched moulds slave part, comprise the hollow punch 10 that is arranged on die cavity 8 tops, be provided with plug screw 12 and core bar boss 11 in the cavity of hollow punch 10, between plug screw 12 and core bar boss 11, spring 13 is installed, core bar boss 11 is connected with mandrel 7 in being arranged on backing-out punch 5, the outer setting of hollow punch 10 has long cover 15, as shown in Figure 6, long cover 15 is the step barrel shaped structure of full circle swinging, the step on edge is provided with semicircle annular groove b31 in its lower end, be provided with ball a16 in the semicircle annular groove b31, ball a16 has 56 φ 8 spherical ball, fixedlying connected with upper plate 14 in the top of long cover 15, fixedlys connected with upper plate 14 in the top of plug screw 12.
Rotary structure mold of complicated curved-surface component stripping/closing method of the present invention, specifically implement according to following steps:
Step 1: according to the shape of structural design lobe piece assembly 9 inner chambers of the part that will obtain, the present invention is primarily aimed at the part of this class of impeller, revises cavity structure in the lobe piece assembly 9 according to the different numbers of blade.The spraying lubricant, preheated mold use the gas-preheating mould, when treating that lobe piece assembly 9 temperature reach 100-150 ℃, sprays lubricant with High Pressure Gun, continues preheated mold then, when arriving mold temperature 300-350 ℃ till.
Step 2: part forming, with the semi-solid alloy slurry handled well under 625-635 ℃ of pouring temperature, quantitatively inject die cavity 8, rapid descending hydraulic press moved cross beam, after treating the mould matched moulds, it is descending that hydraulic press speed slows down (the about 1mm/s of speed) continuation, and upper plate 14 drives hollow punches 10 and presses down, make alloy liquid be full of die cavity 8, pressurize 60-90 second.
Step 3: the demoulding, the hydraulic press moved cross beam lifts, and connected upper plate 14, the long cover 15 that is connected with upper plate 14 together rise, and during to certain position, long cover 15 pulling hollow punches 10 rise certain distance together.The action of hydraulic press liftout tank, upwards to ejector pin of die set 3 application of forces, drive successively and eject fork arm 4, awl dish top board 6, lobe piece assembly 9 and move upward, increasing along with ejection stroke, as shown in Figure 2, lobe piece assembly 9 is during along the curvilinear motion of conical surface chute, and lobe piece assembly 9 moves on one side, rotation is on one side outwards separately thrown off lobe piece mould and part gradually.At this moment, hollow punch 10 rotates on the ball a16 on the long cover 15, after treating that part is thrown off, the hydraulic press liftout tank continues to eject push rod 3, continues to drive backing-out punch 5, mould in the die cavity 8 moves upward, part and counterdie break away from fully, and rise, and core bar boss 11 pushes mandrel 7 downwards under spring 13 effects simultaneously, make mandrel 7 and part separate, take out part.
Step 4: matched moulds, after part takes out, the backhaul of hydraulic press liftout tank, mould ejecting mechanism (push rod 3 ejects fork arm 4, awl dish top board 6) is got back to initial position.Lobe piece assembly 9 slips into initial position along the rotation of T type chute under branch mould button 19 effects of deadweight and tapered sleeve 25, begin next circulation.
Rotary structure mold of complicated curved-surface component of the present invention, one was taken off the matched moulds circulation 2-3 minute, than original artificial unloading's demoulding, 3-4 people needs 180-210 minute, and matched moulds needs 45-60 minute, need 4-4.5 hour time to shorten much altogether, can make that mould takes off fast, matched moulds, enhance productivity.
Claims (10)
1. a rotary structure mold of complicated curved-surface component is characterized in that, comprises that being connected and fixed part, ejecting mechanism part, counterdie takes off matched moulds structure division, patrix pressurization and take off the matched moulds slave part,
The described part that is connected and fixed comprises upper plate (14) and lower shoe (2), lower shoe (2) is provided with a storehouse (1), be provided with unsteady supporting plate (29) in the seat storehouse (1), the middle part of unsteady supporting plate (29) is provided with two cavitys, be respectively arranged with sealing ring gland (28) and awl dish top board (6) in these two cavitys from top to bottom, seat storehouse (1) has interstitial hole along the axle center, the outer circular top part in seat storehouse (1) is provided with annular trim ring (26), and lower shoe (2) has centre bore along the axle center;
Described ejecting mechanism partly comprises the push rod (3) that is arranged in base plate (2) centre bore, comprise that also ejecting of setting pitched plate (4) in the last interstitial hole in a storehouse (1), eject in the fork plate (4) and be provided with backing-out punch (5), be provided with mandrel (7) in the backing-out punch (5); Push rod (3) is made up of three round platforms that vary in size, looping boss between great circle and the roundlet, and the bottom surface that ejects fork plate (4) is sitting on the annular boss of push rod (3), and the upper end that ejects fork plate (4) is connected with awl dish top board (6) jacking;
Described counterdie takes off the matched moulds structure division, be included in the tapered sleeve (25) that unsteady supporting plate (29) top is provided with, the inner surface of tapered sleeve (25) is oblique bent periphery, be provided with two or more movable lobe piece assemblys (9) in the tapered sleeve (25), admittedly detain circle (24) by three fens arcs between each lobe piece assembly (9) and be assembled into a circle, oblique bent periphery in the external peripheral surface of lobe piece assembly (9) and the tapered sleeve (25) fits, in the lobe piece assembly (9) is die cavity (8), the external peripheral surface of lobe piece assembly (9) has T type chute, put in the branch mould in the T type chute and buckle an end of (19), the bottom of lobe piece assembly (9) is arranged on the unsteady supporting plate (29), lobe piece assembly (9) is positioned at awl dish top board (6) top simultaneously, there is screw a(18 at the top of tapered sleeve (25) by string) T type gland (20) buckle circle (21) and be connected with whole solid, divide the other end of mould button (19) to be arranged in the whole solid button circle (21), the outer setting of tapered sleeve (25) has tapered sleeve trim ring (23), and tapered sleeve trim ring (23) is by screw b(22) be connected with unsteady supporting plate (29);
Described patrix pressurizes and takes off the matched moulds slave part, comprise the hollow punch (10) that is arranged on die cavity (8) top, be provided with plug screw (12) and core bar boss (11) in the cavity of hollow punch (10), between plug screw (12) and core bar boss (11), spring (13) is installed, core bar boss (11) mandrel (7) interior with being arranged on backing-out punch (5) is connected, the outer setting of hollow punch (10) has long cover (15), long cover (15) is the step barrel shaped structure of full circle swinging, the step on edge is provided with semicircle annular groove b(31 in its lower end), semicircle annular groove b(31) is provided with ball a(16 in), fixedlying connected with upper plate (14) in the top of long cover (15), fixedlys connected with upper plate (14) in the top of plug screw (12).
2. rotary structure mold of complicated curved-surface component according to claim 1 is characterized in that, leaves the gap between described push rod (3) and base plate (2) centre bore.
3. rotary structure mold of complicated curved-surface component according to claim 1 is characterized in that, described ball a(16) be provided with two or more.
4. rotary structure mold of complicated curved-surface component according to claim 1, it is characterized in that, the place, close outer end of described unsteady supporting plate (29) is provided with semi-round ring shape groove a(30), semi-round ring shape groove a(30) be provided with ball b(27 in), ball b(27) be provided with two or more.
5. rotary structure mold of complicated curved-surface component according to claim 1 is characterized in that, the upper surface of described two or more lobe piece assemblys (9) closes admittedly by lobe hoop (17).
6. the stripping/closing method of a rotary structure mold of complicated curved-surface component, it is characterized in that, adopt a kind of rotary structure mold of complicated curved-surface component, its structure is: comprise that being connected and fixed part, ejecting mechanism part, counterdie takes off matched moulds structure division, patrix pressurization and take off the matched moulds slave part
The described part that is connected and fixed comprises upper plate (14) and lower shoe (2), lower shoe (2) is provided with a storehouse (1), be provided with unsteady supporting plate (29) in the seat storehouse (1), the middle part of unsteady supporting plate (29) is provided with two cavitys, be respectively arranged with sealing ring gland (28) and awl dish top board (6) in these two cavitys from top to bottom, seat storehouse (1) has interstitial hole along the axle center, the outer circular top part in seat storehouse (1) is provided with annular trim ring (26), and lower shoe (2) has centre bore along the axle center;
Described ejecting mechanism partly comprises the push rod (3) that is arranged in base plate (2) centre bore, comprise that also ejecting of setting pitched plate (4) in the last interstitial hole in a storehouse (1), eject in the fork plate (4) and be provided with backing-out punch (5), be provided with mandrel (7) in the backing-out punch (5); Push rod (3) is made up of three round platforms that vary in size, looping boss between great circle and the roundlet, and the bottom surface that ejects fork plate (4) is sitting on the annular boss of push rod (3), and the upper end that ejects fork plate (4) is connected with awl dish top board (6) jacking;
Described counterdie takes off the matched moulds structure division, be included in the tapered sleeve (25) that unsteady supporting plate (29) top is provided with, the inner surface of tapered sleeve (25) is oblique bent periphery, be provided with two or more movable lobe piece assemblys (9) in the tapered sleeve (25), admittedly detain circle (24) by three fens arcs between each lobe piece assembly (9) and be assembled into a circle, oblique bent periphery in the external peripheral surface of lobe piece assembly (9) and the tapered sleeve (25) fits, in the lobe piece assembly (9) is die cavity (8), the external peripheral surface of lobe piece assembly (9) has T type chute, put in the branch mould in the T type chute and buckle an end of (19), the bottom of lobe piece assembly (9) is arranged on the unsteady supporting plate (29), lobe piece assembly (9) is positioned at awl dish top board (6) top simultaneously, there is screw a(18 at the top of tapered sleeve (25) by string) T type gland (20) buckle circle (21) and be connected with whole solid, divide the other end of mould button (19) to be arranged in the whole solid button circle (21), the outer setting of tapered sleeve (25) has tapered sleeve trim ring (23), and tapered sleeve trim ring (23) is by screw b(22) be connected with unsteady supporting plate (29);
Described patrix pressurizes and takes off the matched moulds slave part, comprise the hollow punch (10) that is arranged on die cavity (8) top, be provided with plug screw (12) and core bar boss (11) in the cavity of hollow punch (10), between plug screw (12) and core bar boss (11), spring (13) is installed, core bar boss (11) mandrel (7) interior with being arranged on backing-out punch (5) is connected, the outer setting of hollow punch (10) has long cover (15), long cover (15) is the step barrel shaped structure of full circle swinging, the step on edge is provided with semicircle annular groove b(31 in its lower end), semicircle annular groove b(31) is provided with ball a(16 in), fixedlying connected with upper plate (14) in the top of long cover (15), fixedlys connected with upper plate (14) in the top of plug screw (12);
Specifically implement according to following steps:
Step 1: use the gas-preheating mould, when treating that lobe piece assembly (9) temperature reaches 100-150 ℃, spray lubricant, continue preheated mold then, make mold temperature reach 300-350 ℃ with High Pressure Gun;
Step 2: part forming, with semi-solid alloy slurry under 625-635 ℃ of pouring temperature, inject die cavity (8), descending hydraulic press moved cross beam, after treating the mould matched moulds, the hydraulic press moved cross beam is descending with the speed continuation of 1mm/s, and upper plate (14) drives hollow punch (10) and presses down, make alloy pulp be full of die cavity (8), pressurize 60-90 second;
Step 3: the demoulding, the hydraulic press moved cross beam lifts, upper plate (14), long cover (15), hollow punch (10) rises, the action of hydraulic press liftout tank, upwards to push rod (3) application of force, drive successively and eject fork arm (4), awl dish top board (6), lobe piece assembly (9) moves upward, lobe piece assembly (9) moves on one side, rotation on one side outwards separately, hollow punch (10) is at the ball a(16 on the long cover (15)) on rotate, treat that part is thrown off after, the hydraulic press liftout tank continues to eject push rod (3), continue to drive backing-out punch (5), mould in the die cavity (8) moves upward, part and counterdie break away from fully, and rise, and core bar boss (11) pushes mandrel (7) downwards under spring (13) effect simultaneously, make mandrel (7) separate, take out part with part;
Step 4: matched moulds, after part takes out, the backhaul of hydraulic press liftout tank, push rod (3), eject fork arm (4), awl dish top board (6) is got back to initial position, lobe piece assembly (9) slips into initial position along the rotation of T type chute under deadweight and branch mould button (19) effect, begin next circulation.
7. the stripping/closing method of rotary structure mold of complicated curved-surface component according to claim 6 is characterized in that, leaves the gap between described push rod (3) and base plate (2) centre bore.
8. the stripping/closing method of rotary structure mold of complicated curved-surface component according to claim 6 is characterized in that, described ball a(16) be provided with two or more.
9. the stripping/closing method of rotary structure mold of complicated curved-surface component according to claim 6, it is characterized in that, the place, close outer end of described unsteady supporting plate (29) is provided with semi-round ring shape groove a(30), semi-round ring shape groove a(30) be provided with ball b(27 in), ball b(27) be provided with two or more.
10. the stripping/closing method of rotary structure mold of complicated curved-surface component according to claim 6 is characterized in that, the upper surface of described two or more lobe piece assemblys (9) closes admittedly by lobe hoop (17).
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Cited By (1)
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| 《特种铸造及有色合金》 20030420 张励忠 等 半固态流变成形通用性能试样模具设计 , 第02期 2 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103521736A (en) * | 2013-03-29 | 2014-01-22 | 洛阳洛北重工机械有限公司 | Impeller die-casting die |
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| CN101912956B (en) | 2012-07-04 |
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