CN203292461U - Hydraulic mould closing and mould locking liquid forging squeezing casting machine - Google Patents
Hydraulic mould closing and mould locking liquid forging squeezing casting machine Download PDFInfo
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- CN203292461U CN203292461U CN2013202629381U CN201320262938U CN203292461U CN 203292461 U CN203292461 U CN 203292461U CN 2013202629381 U CN2013202629381 U CN 2013202629381U CN 201320262938 U CN201320262938 U CN 201320262938U CN 203292461 U CN203292461 U CN 203292461U
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Abstract
The utility model discloses a hydraulic mould closing and mould locking liquid forging squeezing casting machine. A front base, a movable mould plate and a rear base are mounted on a rack in sequence in a horizontal direction, a fixed mould is arranged on the front base, a movable mould is arranged on the movable mould plate, a mould closing stand column piston oil cylinder is arranged on the rear base, a mould closing stand column piston is directly or indirectly connected with the movable mould plate to push the movable mould and the fixed mould to be in mould closing, a vacuum system capable of vacuumizing a casting cavity is arranged on the upper end face of the movable mould or the fixed mould, a material injection system is arranged beside the rack, liquid metal can be injected into the casting cavity through the material injection end of the material injection system, the working state of the mould closing stand column piston oil cylinder, the working state of the vacuum system and the working state of the material injection system are all automatically controlled by a control platform arranged beside the rack, hydraulic mould locking is achieved through the arrangement of the mould closing stand column piston oil cylinder, mould locking force is constant, the mould locking force can be instantly compensated and increased through the mould closing stand column piston oil cylinder in a freezing period, air in the casting cavity is drawn out through the arrangement of the vacuum system, workpiece air entrapment is reduced in the mould filling process, and product quality and the rate of finished products are improved.
Description
Technical field
The utility model relates to a kind of extrusion casting machine, particularly relates to a kind of hydraulic mould-matching locked mode liquid forging extrusion casting machine.
Background technology
Liquid forging refers to it is that the liquid metal that melting is qualified directly injects in high-intensity pressure chamber or die cavity, then continue to impose machinery static pressure, make molten metal that pheo-diecasting, crystallization and freezing and rheology feeding occur under pressure, obtain finally that interior solid, outward appearance are bright and clean, the method for forming materials of accurate in size product.Liquid forging is mainly used in the production of automobile metal spare and accessory parts or large aluminum alloy spare, and it is generally realized on extrusion casting machine, according to foundry goods, be subjected to the difference of force direction, and vertical extrusion casting machine and Horizontal type extrusion casting machine are arranged.
Early stage extrusion casint machine equipment adopts friction press more, after use oil universal press and common extrusion casting machine instead.At present, the extrusion casint die casting machine technology of international market, belong to Ube comparatively leading, the seriation of die casting machine specification, particularly apply to the large-tonnage that automotive hub produces (22 ㎏/part and more than) equipment, the product quality excellence reaches the leading level in the world, and equipment performance meets product processes requirement, excellent product quality fully.But Japanese equipment price of the same typely exceeds 1.5～2.5 times than domestic, and import equipment needs a large amount of foreign exchanges, and enterprise investment is large, and payoff period, the long market risk was large.Import equipment requires very high to operating personnel's theoretical level, strict to the equipment installation environment, and developed country is with the method for technical monopoly, and the import of all stops limit China is set.At home, China adopts the mode of conventional oil press mostly aspect extrusion casint, and this kind mode labour intensity is large, and efficiency is low.Have now and also have on the market a kind of conventional oil press that utilizes toggle mechanism machinery locked mode, at press casting procedure, technological parameter can not be controlled by real-time closed-loop; Adopt toggle mechanism machinery locked mode, clamp force is unstable, there is no the function of auto-compensation clamp force, and casting technological parameter changes greatly, and mechanical wear and process conditions affect the stability of clamp force with reliable; Easy volume gas while filling type, cause the inside workpiece tissue defects, and equipment mostly is 350KN, 550KN, mostly is and produces middle-size and small-size aluminum alloy junction member (0.6～5 ㎏/part).And for the extrusion casting machine of large-tonnage type (1000KN and more than), there is the technical barrier of key position to need to solve, as the design of Hydraulic System imperfection, the secondary injection speed is restricted, do not reach the moment requirement (die casting theoretical 0.1 second flex point) of boosting, technological parameter is difficult to control in real time, therefore unstable product quality, ratio of briquetting is undesirable, the production capacity poor effect.Above reason all causes the advantage of extrusion casint to be difficult to performance, makes squeeze casting technology be difficult to promote.And adopt the extrusion casint machine equipment of toggle mechanism mechanical matched mold also to have following shortcoming: 1) mould of different-thickness will be adjusted the stroke of toggle mechanism, and this adjustment is more difficult, time-consuming; 2) toggle mechanism in use, due to the impact of expanded by heating, the prestressing force of matched moulds framework changes, the easy like this pullup acceleration that causes; 3) the toggle link required precision is high, during use, in its hinge, there will be high surface pressing, and sometimes because oil film breakdown produces strong friction, easy to wear being difficult to safeguards.
The utility model content
The purpose of this utility model, be to provide a kind of hydraulic mould-matching locked mode liquid forging extrusion casting machine.
the solution that the utility model solves its technical problem is: hydraulic mould-matching locked mode liquid forging extrusion casting machine, it comprises frame, on described frame, along continuous straight runs is installed front stall successively, moving platen and back seat, described front stall, moving platen and back seat are run through by tie bar successively, on described front stall, cover half is installed, on described moving platen, dynamic model is installed, the middle position of described back seat is equipped with matched moulds column plug oil cylinder, the matched moulds column plug of described matched moulds column plug oil cylinder directly or indirectly and after moving platen is connected, pushing away reposefully moving platen moved and made a sealing of formation after dynamic model and cover half matched moulds along tie bar toward the cover half direction casting cavity, the upper surface of described dynamic model or cover half is equipped with the vacuum system that the casting cavity can be vacuumized, the other filling system that is equipped with of described frame, the material feeding end energy liquid metal of described filling system injects in the casting cavity, described matched moulds column plug oil cylinder, the duty of vacuum system and filling system is controlled automatically by being arranged on the other console of frame.
As further improvement in the technical proposal, the distal end faces of described matched moulds column plug is installed the push rod contiguous block, on described push rod contiguous block, push rod is installed, the two ends of described push rod are respectively equipped with the first ladder projection and the second ladder projection, described the first ladder projection is embedded in the mounting groove of push rod contiguous block, and described the second ladder projection is embedded in the mounting groove of moving platen.
As further improvement in the technical proposal, described matched moulds column plug oil cylinder bilateral symmetry is equipped with the matched moulds side cylinder that runs through back seat, and the output of described matched moulds side cylinder is fixedly connected on the push rod contiguous block.
As further improvement in the technical proposal, described filling system comprises the material feeding support, be arranged on injection oil cylinder on the material feeding support, with the injection oil cylinder coaxial line, barrel is installed, the outlet of described barrel is positioned at the casting cavity, and the outlet of barrel is the material feeding end of filling system.
As further improvement in the technical proposal; described vacuum system comprises the first frame of being fixed on dynamic model or cover half, be arranged on the first frame below the second frame and and be arranged on the injection tup displacement transducer in injecting systems; on described the first frame, the execution oil cylinder is installed; the output shaft of described execution oil cylinder is connected with the second frame and orders about the second frame and move at vertical direction; the side of described the second frame is equipped with the vacuum orifice that can be communicated with vavuum pump, and the core bar of controlling the vacuum orifice opening and closing is installed in the second frame.
As further improvement in the technical proposal, the upper surface of described core bar is equipped with first piston, and described first piston can drive core bar and move at vertical direction.
As further improvement in the technical proposal, the medium position cover of described core bar has the second piston, and described the second piston can drive core bar and move at vertical direction.
The beneficial effects of the utility model are: the utility model is realized the hydraulic pressure locked mode by matched moulds column plug oil cylinder is set, clamp force is constant, and can be by matched moulds column plug oil cylinder in freezing period transient compensation, increase clamp force, by being installed, vacuum system will cast the air extraction in cavity, while filling type, reduce workpiece volume gas, Improving The Quality of Products and yield rate.
The accompanying drawing explanation
Below in conjunction with accompanying drawing and example, the utility model is further described.
Fig. 1 is front view of the present utility model;
Fig. 2 is top view of the present utility model;
Fig. 3 is side view of the present utility model;
Fig. 4 be in Fig. 3 A-A to cutaway view;
Fig. 5 is the cutaway view of the vacuum system in the utility model.
The specific embodiment
Below in conjunction with accompanying drawing, describe application of the present utility model in detail.
with reference to Fig. 1～Fig. 5, hydraulic mould-matching locked mode liquid forging extrusion casting machine, it comprises frame 1, on described frame 1, along continuous straight runs is installed front stall 4 successively, moving platen 3 and back seat 2, described front stall 4, moving platen 3 and back seat 2 are run through by tie bar 9 successively, on described front stall 4, cover half 6 is installed, on described moving platen 3, dynamic model 7 is installed, the middle position of described back seat 2 is equipped with matched moulds column plug oil cylinder 5, the matched moulds column plug 50 of described matched moulds column plug oil cylinder 5 directly or indirectly and after moving platen 3 is connected, pushing away reposefully moving platen 36 directions move and make the casting cavity of a sealing of formation after dynamic model 7 and cover half 6 matched moulds along tie bar 9 toward cover half, the upper surface of described dynamic model 7 or cover half 6 is equipped with the vacuum system 8 that the casting cavity can be vacuumized, the other filling system that is equipped with of described frame 1, the material feeding end energy liquid metal of described filling system injects in the casting cavity, described matched moulds column plug oil cylinder 5, the duty of vacuum system 8 and filling system is controlled automatically by being arranged on the other console (not marking in the drawings) of frame 1.
By being set, matched moulds column plug oil cylinder 5 realizes the hydraulic pressure locked mode, clamp force is constant, and can be by matched moulds column plug oil cylinder 5 in freezing period transient compensation, increase clamp force, by being installed, vacuum system 8 will cast the air extraction in cavity, while filling type, reduce workpiece volume gas, Improving The Quality of Products and yield rate.
be further used as preferred embodiment, the distal end faces of described matched moulds column plug 50 is installed push rod contiguous block 51, on described push rod contiguous block 51, push rod 52 is installed, the two ends of described push rod 52 are respectively equipped with the first ladder projection and the second ladder projection, described the first ladder projection is embedded in the mounting groove of push rod contiguous block 51, described the second ladder projection is embedded in the mounting groove of moving platen 3, by the first ladder projection, improve the connective stability that connected mode improves both of inlaying of 51 of push rod 52 and push rod contiguous blocks, by by the second ladder projection, improving the connective stability that connected mode improves both of inlaying of 3 of push rod 52 and moving platens.
Be further used as preferred embodiment, described matched moulds column plug oil cylinder 5 bilateral symmetry are equipped with the matched moulds side cylinder 10 that runs through back seat, the output of described matched moulds side cylinder 10 is fixedly connected on push rod contiguous block 51, matched moulds side cylinder 10 make dynamic model 7 and cover half 6 matched moulds more stable, and increase clamp force in the extrusion casint process, make clamp force stable, and then the metallic crystal that makes squeeze cast form solidifies and the rheology feeding, finally obtains interior solid, bright and clean, the accurate in size goods of outward appearance.
Be further used as preferred embodiment, described filling system comprises material feeding support 13, be arranged on injection oil cylinder 11 on material feeding support 13, with injection oil cylinder 11 coaxial lines, barrel 12 is installed, the outlet of described barrel 12 is positioned at the casting cavity, the outlet of barrel 12 is the material feeding end of filling system, the coaxial line of the barrel 12 of injection oil cylinder 11 is installed, and the steady and smooth injection of the pressure that makes metal liquid or semi-solid-state metal be subject to advances to cast in cavity.
be further used as preferred embodiment, described vacuum system 8 comprises the first frame 80 that is fixed on dynamic model 7 or cover half 6, be arranged on the second frame 81 of the first frame 80 belows and be arranged on the injection tup displacement transducer in injecting systems, on described the first frame 80, be equipped with and carry out oil cylinder 82, the output shaft of described execution oil cylinder 82 is connected with the second frame 81 and orders about the second frame 81 and move at vertical direction, the side of described the second frame 81 is equipped with the vacuum orifice 86 that can be communicated with vavuum pump, the core bar 85 of controlling vacuum orifice 86 opening and closings is installed in the second frame 81, in the extrusion casint process, by being installed, vacuum system 8 will cast the air extraction in cavity, while filling type, reduce workpiece volume gas, Improving The Quality of Products and yield rate.
Pneumatics casting is to utilize auxiliary equipment that the air in the compression mod die cavity is extracted and forms vacuum state, and under vacuum state by the method for metal hydraulic type casting moulding, following characteristics is arranged:
1) eliminate or significantly reduce the pore in die casting, increasing the density of die casting, improving mechanical property and the surface quality of die casting, improving the lining performance, to die casting, can heat-treat.
2) air of extracting out from the compression mod die cavity, reduced the filling counter-pressure significantly, can adopt lower injection pressure (injection pressure commonly used approximately hangs down 10%～15%), can carry under high-intensity condition, makes the die casting wall thickness reduce 25%～50%.
3) because of the reducing of counter-pressure in the compression mod die cavity, increase the crystallization rate of die casting, shortened die casting stops in compression mod time, therefore can boost productivity 10%～20%.
Be further used as preferred embodiment, the upper surface of described core bar 85 is equipped with first piston 83, and described first piston 83 can drive core bar 85 and move at vertical direction.
Be further used as preferred embodiment, the medium position cover of described core bar 85 has the second piston 84, described the second piston 84 can drive core bar 85 and move at vertical direction, the second piston 84 is arranged on to the medium position of core bar 85, in conjunction with the effect of first piston 83, make the motion of core bar 85 more steady.
Certainly, in the utility model, on front stall 4 and cover half 6, the ejecting mechanism that those skilled in the art are familiar with is installed, as ejection cylinder, thimble etc., in the utility model, does not just describe in detail one by one.
Below an embodiment of the present utility model:
After the parameter that input is relevant in the other console of frame 1, start working, matched moulds column plug 50 along continuous straight runs that matched moulds column plug oil cylinder 5 is incited somebody to action are released, promoting moving platen 3 moves horizontally, after dynamic model 7 and cover half 6 matched moulds, form the casting cavity of a sealing, carry out oil cylinder 82 work, driving the second frame 81 down moves, make vacuum orifice 86 stretch in the casting cavity, first piston 83 and the second piston 84 drive core bar 85 and down move, make vacuum orifice 86, vavuum pump and casting cavity be communicated with, vavuum pump work starts to vacuumize; Simultaneously, injection oil cylinder 11 work, compressing metal liquid or semi-solid-state metal inject in the casting cavity from barrel 12, by injection tup displacement transducer, the metal injection rate detected, and feed back to console, control first piston 83 and the second piston 84 drive core bars 85 and up move, and close and vacuumize hole 86, stop vavuum pump.Under the interaction of vacuum system, realize the low pressure filling of metal liquid or semi-solid-state metal, rise and press extrusion casint at a high speed.The instruction that matched moulds column plug oil cylinder 5 and matched moulds side cylinder 10 are pressed console, keep clamp force reposefully, makes the metallic crystal of squeeze cast form solidify and the rheology feeding, finally obtains interior solid, bright and clean, the accurate in size goods of outward appearance.Matched moulds column plug oil cylinder 5 and matched moulds side cylinder 10 inverted runnings, open dynamic model 7, and ejection cylinder work, eject goods by thimble.
More than that better embodiment of the present utility model is illustrated, but the utility model is created and is not limited to described embodiment, those of ordinary skill in the art also can make all equivalent modifications or replacement under the prerequisite without prejudice to the utility model spirit, the modification that these are equal to or replacement all are included in the application's claim limited range.
Claims (7)
1. hydraulic mould-matching locked mode liquid forging extrusion casting machine, it is characterized in that: it comprises frame (1), the upper along continuous straight runs of described frame (1) is installed front stall (4) successively, moving platen (3) and back seat (2), described front stall (4), moving platen (3) and back seat (2) are run through by tie bar (9) successively, cover half (6) is installed on described front stall (4), dynamic model (7) is installed on described moving platen (3), the middle position of described back seat (2) is equipped with matched moulds column plug oil cylinder (5), the matched moulds column plug (50) of described matched moulds column plug oil cylinder (5) directly or indirectly and after moving platen (3) is connected, pushing away reposefully moving platen (3) moved and made a sealing of formation after dynamic model (7) and cover half (6) matched moulds along tie bar (9) toward cover half (6) direction casting cavity, the upper surface of described dynamic model (7) or cover half (6) is equipped with the vacuum system (8) that the casting cavity can be vacuumized, the other filling system that is equipped with of described frame (1), the material feeding end energy liquid metal of described filling system injects in the casting cavity, described matched moulds column plug oil cylinder (5), the duty of vacuum system (8) and filling system is controlled automatically by being arranged on the other console of frame (1).
2. hydraulic mould-matching locked mode liquid forging extrusion casting machine according to claim 1, it is characterized in that: the distal end faces of described matched moulds column plug (50) is installed push rod contiguous block (51), push rod (52) is installed on described push rod contiguous block (51), the two ends of described push rod (52) are respectively equipped with the first ladder projection and the second ladder projection, described the first ladder projection is embedded in the mounting groove of push rod contiguous block (51), and described the second ladder projection is embedded in the mounting groove of moving platen (3).
3. hydraulic mould-matching locked mode liquid forging extrusion casting machine according to claim 2, it is characterized in that: described matched moulds column plug oil cylinder (5) bilateral symmetry is equipped with the matched moulds side cylinder (10) that runs through back seat, and the output of described matched moulds side cylinder (10) is fixedly connected on push rod contiguous block (51).
4. hydraulic mould-matching locked mode liquid forging extrusion casting machine according to claim 1, it is characterized in that: described filling system comprises material feeding support (13), be arranged on injection oil cylinder (11) on material feeding support (13), with injection oil cylinder (11) coaxial line, barrel (12) is installed, the outlet of described barrel (12) is positioned at the casting cavity, and the outlet of barrel (12) is the material feeding end of filling system.
5. hydraulic mould-matching locked mode liquid forging extrusion casting machine according to claim 1, it is characterized in that: described vacuum system (8) comprises the first frame (80) that is fixed on dynamic model (7) or cover half (6), be arranged on second frame (81) of the first frame (80) below and be arranged on the injection tup displacement transducer in injecting systems, on described the first frame (80), be equipped with and carry out oil cylinder (82), the output shaft of described execution oil cylinder (82) is connected with the second frame (81) and orders about the second frame (81) and move at vertical direction, the side of described the second frame (81) is equipped with the vacuum orifice (86) that can be communicated with vavuum pump, the core bar (85) of controlling vacuum orifice (86) opening and closing is installed in the second frame (81).
6. hydraulic mould-matching locked mode liquid forging extrusion casting machine according to claim 5, it is characterized in that: the upper surface of described core bar (85) is equipped with first piston (83), and described first piston (83) can drive core bar (85) and move at vertical direction.
7. according to claim 5 or 6 described hydraulic mould-matching locked mode liquid forging extrusion casting machines, it is characterized in that: the medium position cover of described core bar (85) has the second piston (84), and described the second piston (84) can drive core bar (85) and move at vertical direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202629381U CN203292461U (en) | 2013-05-14 | 2013-05-14 | Hydraulic mould closing and mould locking liquid forging squeezing casting machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202629381U CN203292461U (en) | 2013-05-14 | 2013-05-14 | Hydraulic mould closing and mould locking liquid forging squeezing casting machine |
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| Publication Number | Publication Date |
|---|---|
| CN203292461U true CN203292461U (en) | 2013-11-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202629381U Expired - Lifetime CN203292461U (en) | 2013-05-14 | 2013-05-14 | Hydraulic mould closing and mould locking liquid forging squeezing casting machine |
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| CN (1) | CN203292461U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103273039A (en) * | 2013-05-14 | 2013-09-04 | 广州有色金属集团有限公司 | Hydraulic spotting mould clamping type liquid forging squeeze casting machine |
-
2013
- 2013-05-14 CN CN2013202629381U patent/CN203292461U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103273039A (en) * | 2013-05-14 | 2013-09-04 | 广州有色金属集团有限公司 | Hydraulic spotting mould clamping type liquid forging squeeze casting machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180725 Address after: No. 14, Liwan District bridge catalpa street, Guangzhou, Guangdong Province Patentee after: GUANGZHOU ALUMINUM MATERIAL PLANT Co.,Ltd. Address before: 510030 Wen De road, Yuexiu District, Guangzhou, Guangdong Province, No. 67-69 Co-patentee before: GUANGZHOU ALUMINUM MATERIAL PLANT Co.,Ltd. Patentee before: Guangzhou Nonferrous Metals Corp. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131120 |