CN104139170B - A kind of clamping apparatus of Direct Squeezing Casting mould - Google Patents
A kind of clamping apparatus of Direct Squeezing Casting mould Download PDFInfo
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- CN104139170B CN104139170B CN201410339952.6A CN201410339952A CN104139170B CN 104139170 B CN104139170 B CN 104139170B CN 201410339952 A CN201410339952 A CN 201410339952A CN 104139170 B CN104139170 B CN 104139170B
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Abstract
The invention discloses a kind of clamping apparatus of Direct Squeezing Casting mould; comprise that lock modular ring and of mould outside, a sheathed right side is set in the lower locked mode ring of mould outside, left side; the ring inner surface of described lock modular ring and lower locked mode ring is consistent with the taper surface angle of left side mould and mould mould assembly position, right side; while making mould mould assembly, can cooperatively interact, the Self-locking angle angle of formation. When the pre-mould assembly of mould, lower locked mode ring moves to mould assembly position self-locking under side form under the driving of lower locked mode ring driving cylinder, and the modular ring of locking moves to mould assembly position self-locking on side form under the drive of cope match-plate pattern; Upper and lower locked mode ring is locked side form after arriving mould assembly position, and jointly forms near closed hollow ring with side form, upper die and lower die, realizes matched moulds and fills type. After filling type and completing, the descending pressurization of patrix, the connecting screw rod of locking on modular ring returns in patrix plate hole, and make to lock modular ring and patrix are realized moved apart, and upper and lower locked mode ring provides the clamp force in extrusion process jointly.
Description
Technical field
The present invention relates to extrusion casint field, relate in particular to a kind of clamping apparatus of Direct Squeezing Casting mould.
Background technology
Extrusion casint is to instigate the liquid state that pours in casting mold die cavity or semi-solid-state metal in higher mechanical pressureEffect is lower to be shaped and crystallization and freezing, thereby obtains that crystal grain is tiny, dense internal organization, surface smoothness be highA kind of manufacturing process of high-quality product. At present domestic and international all oriented maximization, complexity of extrusion casint productThe trend change, lightweight developing.
Because large complicated part has that volume is large, contour structures is complicated, wall unevenness, partial plastic formingThe features such as difficulty, in the time adopting Direct Squeezing Casting forming technology to produce, mainly contain following characteristics and requirement:
(1) for large complicated part Direct Squeezing Casting forming technology, in order to obtain high comprehensive performanceShaped casting, need to be in forming process by obtaining desirable extruding by larger mechanical pressureCast sturcture, and conventionally extrusion casint meets large complicated part Direct Squeezing Casting and becomes with forcing press is more difficultThe requirement of the clamp force of shape, therefore, needs mould structure that extra larger clamp force can be provided.
(2) for large complicated part Direct Squeezing Casting forming technology, needed in the time of Filling Processes of CastingsMolten metal volume is very large, in order to ensure the quality of molten metal, avoids molten metal to produce serious oxygenChange and inspiratory phenomenon, carry and fill in the process of type at molten metal, should reduce as much as possible molten metalWith contacting and time of staying in barrel of air. Therefore, require the mould structure of design will have in advanceMould assembly function, can realize matched moulds and fill type.
(3) for large complicated part Direct Squeezing Casting forming technology, because it fills the needed gold of typeBelong to liquation volume very large, needed filling time is longer, and the heat of molten metal in cavity filling process damagesLose more, therefore, for reduce fill type and complete after molten metal peripheral crust layer to applying squeeze pressureImpact, also needs requirement mould to have the ability of setting up fast higher extruding force in die cavity in molten metal.
Chinese patent 201210396426.4 utilizes a kind of floating type Direct Squeezing Casting mould to realize large-scaleThe Direct Squeezing Casting of aluminium alloy wheel hub is shaped and produces, and this float type mould is by adopting the moving of rigid supportThe fluctuating of coil structures realized the pre-mould assembly of mould and the extruding to molten metal in die cavity, but this mouldThe moving-coil structure of tool is very strict to squeeze casting shape requirement, is not suitable for and has zero of complex appearance structurePart; Chinese patent 200510035694.3 is realized the chain reconciliation of mould by design locked mode Tiebar structureRemove mould chain, thereby increase the clamp force of mould and realize mould matched moulds casting process, but close in realizationWhen mould cast, chain mold integral need be promoted and decline, molten metal and air have the long periodContact, affects molten metal quality, and its course of action is comparatively complicated, and to mould, manufacture is had relatively high expectations;Chinese utility model patent 93203245.1 is passed through the multiple brace machines of design on vertical extrusion casting apparatusThe mould of structure has been realized the extrusion casint of aluminum-alloy wheel and has been produced, and the brace designing in mould is mainly used inThe locked mode of mould, die sinking and liftout action, but the clamp force that this device can not increase extrusion casint while producing,Also cannot realize the matched moulds cast of mould.
Summary of the invention
The object of the invention is to overcome the shortcoming and defect of above-mentioned prior art, a kind of directly extruding is providedThe clamping apparatus of casting mould is large to mould to meet in large complicated part Direct Squeezing Casting forming processClamp force, matched moulds fill the requirement of type and the larger extruding force of Rapid Establishment.
The present invention is achieved through the following technical solutions:
A clamping apparatus for Direct Squeezing Casting mould, comprises left side mould 23, right side mould 7, forcing pressWorking plate 19, cope match-plate pattern 26; Also comprise that is set in the upper of right side mould 7 and left side mould 23 outsidesLocked mode ring 6 and one are set in the lower locked mode ring 10 of right side mould 7 and left side mould 23 outsides, described upper locked modeRing 6 and the ring inner surface of lower locked mode ring 10 and the taper surface angle of left side mould 23 and right side mould 7 mould assembly positionsDegree is consistent, while making mould mould assembly, can cooperatively interact, and forms Self-locking angle angle.
Described clamping apparatus also comprises right driving cylinder 12 and the left driving for driving lower locked mode ring 10 to moveCylinder 18;
Right driving cylinder 12 and left driving cylinder 18 are symmetrical and be fixedly mounted on press bench plate 19,
Lower locked mode ring 10 is fixedly connected with left driving cylinder 18 with right driving cylinder 12;
The modular ring 6 of locking is realized and being flexibly connected of cope match-plate pattern 26 by multiple equally distributed connectors.
Described connector comprises connecting screw rod 3, screw sleeve 4 and spring 25; Screw sleeve 4 is by connecting spiral shellBar 3 is fixedly connected on locks on modular ring 6, and spring 25 two ends are fixedly connected on respectively the modular ring 6 and upper of lockingIn template 26.
On cope match-plate pattern 26 and upper junction plate 2, have and can move back for connecting screw rod 3 and screw sleeve 4 realizationsReverse do hole.
The present invention, with respect to prior art, has following advantage and effect:
(1) clamping apparatus reliable in structure of the present invention, locked mode and release action are simple, do not need additional multipleAssorted auxiliary controls, are specially adapted to adopt the mould of vertical-parting or compound somatotype, can meetThe be shaped requirement of large specific pressure, large clamp force of large complicated part Direct Squeezing Casting.
(2) lock modular ring and the lower locked mode ring single movement in clamping apparatus, lower locked mode ring by two solelyIt moves up and down vertical hydraulic cylinder control, the modular ring motion under main hydraulic cylinder of press machine drives of locking, upper,The motion of lower locked mode ring does not need Synchronization Control, and its action control is simple, has avoided the design of complicated oil circuit.
(3) the locked mode ring inner surface taper surface angle of clamping apparatus is upper and lower locked mode ring and left and right side formThe Self-locking angle angle that forms of mating surface of composition, for having different mold materials, different contact-making surface is quietThe situation of coefficient of friction, only need be according to Self-locking angle Angulation changes locked mode ring inner surface taper surface angle in the time of designDegree and side form matched moulds position taper surface angle, just can make the self-locking after coordinating with side form of this clamping apparatus, lockThe applicability of die device is stronger.
(4) in the pre-mould assembly process of mould, upper and lower locked mode ring moves to side form mould assembly position locked mode is providedPower, and jointly form the die cavity of sealing, molten metal when cast with left and right side form, upper and lower locked mode ringDirectly inputted in barrel by barrel areole by dose delivery system, then on low punch, be about to Metal MeltingLiquid is clamp-oned mould near closed hollow ring, to realize the matched moulds cast of mould.
(5) be connected by connecting screw rod, screw sleeve and spring between modular ring and cope match-plate pattern owing to locking,In extrusion process, lock and can realize between modular ring and mould link, upper junction plate, cope match-plate pattern and patrixMoved apart, therefore, the modular ring of locking does not affect patrix compression motion, and after filling type and completing, patrix can be fastSpeed forms larger extruding force in die cavity molten metal, thereby ensures the quality of shaped casting.
Brief description of the drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is the top view of modular ring 6 of locking;
Fig. 3 is the cross section structure schematic diagram of modular ring 6 of locking;
Fig. 4 is the cross section structure schematic diagram of lower locked mode ring 10.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is more specifically described in detail.
Embodiment
As Fig. 1--as shown in the of 3. The clamping apparatus of Direct Squeezing Casting mould of the present invention, comprise left side mould 23,Right side mould 7, press bench plate 19, cope match-plate pattern 26; Also comprise that one is set in right side mould 7 and a left sideLock modular ring 6 and one of side form 23 outsides is set in the lower locked mode of right side mould 7 and left side mould 23 outsidesRing 10, described in the lock ring inner surface of modular ring 6 and lower locked mode ring 10 and left side mould 23 and right side mould 7 closeThe taper surface angle of type position is consistent, while making mould mould assembly, can cooperatively interact, and forms Self-locking angle angle.
Described clamping apparatus also comprises right driving cylinder 12 and the left driving for driving lower locked mode ring 10 to moveCylinder 18;
Right driving cylinder 12 and left driving cylinder 18 are symmetrical and be fixedly mounted on press bench plate 19,
Lower locked mode ring 10 is fixedly connected with left driving cylinder 18 with right driving cylinder 12;
Lock modular ring 6 by the activity of multiple (six) equally distributed connector realization and cope match-plate pattern 26Connect.
Described connector comprises connecting screw rod 3, screw sleeve 4 and spring 25; Screw sleeve 4 is by connecting spiral shellBar 3 is fixedly connected on locks on modular ring 6, and spring 25 two ends are fixedly connected on respectively the modular ring 6 and upper of lockingIn template 26.
On cope match-plate pattern 26 and upper junction plate 2, have and can move back for connecting screw rod 3 and screw sleeve 4 realizationsReverse do hole.
Counterdie 20 is bolted and is fixed on press bench plate 19, left side mould 23 and right side mould7 are positioned on counterdie 20, and respectively by left side mould guard housing 22 and right side mould guard housing 8 and left side mould driving machineStructure 21 and right side mould driving mechanism 9 are connected, and are provided with side form guide pad, at left side mould 23 on counterdie 20During with right side mould 7 matched moulds, can play guiding and location; Center-pole 24 is by location diversion mechanism 11Be fixedly connected on counterdie 20; Patrix 27 is bolted to connection on cope match-plate pattern 26.
The main course of action of this clamping apparatus is as follows:
(1) in the time of the pre-mould assembly of mould, the sequence of movement of clamping apparatus is: first mold center's bar 24 passes throughLocation diversion mechanism 11 on counterdie 20 is fixed on counterdie, and left side mould 23 and right side mould 7 are respectively on a left sideUnder the driving of side form driving mechanism 21 and right side mould driving mechanism 9, close and close; At left side mould 23 and right side mould7 close and close after, lower locked mode ring 10 is at the left driving cylinder 18 of lower locked mode ring and the right driving cylinder 12 of lower locked mode ringSynchronous driving under move up to the side form lower end mould assembly position self-locking that ECDC closes, lower locked mode ring 10Right driving cylinder 12 pressurizes of left driving cylinder 18 and lower locked mode ring 10 are to ensure that lower locked mode ring 10 is in locked modePosition; Then main hydraulic cylinder of press machine drive mould link 1, upper junction plate 2, cope match-plate pattern 26 and onMould 27 moves downward matched moulds, and cope match-plate pattern 26 drives the modular ring 6 of locking to move downward to the side form that ECDC closesUpper end mould assembly position self-locking, mould completes and fills the front pre-mould assembly of type.
(2) in the time that mould matched moulds fills type, because mould completes lock after pre-mould assembly modular ring 6 and lower locked mode ring10 have arrived locked mode position, therefore, can provide matched moulds time of filling type institute by lock modular ring 6 and lower locked mode ring 10The clamp force needing.
(3) after matched moulds fills type and completes, mould link 1, upper junction plate 2, cope match-plate pattern 26 and patrix27 continue to move downward pressurization under main hydraulic cylinder of press machine drives, and now, connect the modular ring 6 and upper of lockingThe connecting screw rod 3 of template 26 and screw sleeve 4 are retracted in the hole of cope match-plate pattern 26 and upper junction plate 2, realThe moved apart of now locking in modular ring 6 and patrix 27 extrusion processes, to ensure that patrix 27 can be in die cavityIn molten metal, set up rapidly larger extruding force.
(4) after shaped casting pressurize has been solidified, the sequence of movement of clamping apparatus when mould die sinking pickupFor: main hydraulic cylinder of press machine release driven mold link 1, upper junction plate 2, cope match-plate pattern 26 and patrix27 move upward, in the time that cope match-plate pattern 26 moves to the pre-mould assembly of mould position, and connecting screw rod 3 and screw sleeve 4Be tightened up, drive the modular ring 6 of locking to separate with right side mould 7 with left side mould 23; With the left driving of locked mode ring at presentThe right driving cylinder 12 release rollbacks of cylinder 18 and lower locked mode ring, drive lower locked mode ring 10 and left side mould 23 and the right sideSide form 7 separates, thereby removes the locked mode effect of locked mode ring to mould; Then left side mould driving cylinder 21 and rightSide form driving cylinder 9 release rollbacks, make left side mould 23 separate with right side mould 7, finally take out foundry goods.
As mentioned above, just can realize preferably the present invention.
Embodiments of the present invention are not restricted to the described embodiments, other are any do not deviate from of the present inventionThe change done under Spirit Essence and principle, modification, substitute, combination, simplify, all should be putting of equivalenceChange mode, within being included in protection scope of the present invention.
Claims (3)
1. a clamping apparatus for Direct Squeezing Casting mould, comprises left side mould, right side mould, forcing press workMake platen, cope match-plate pattern, characterized by further comprising one and be set in locking of right side mould and mould outside, left sideModular ring and one are set in the lower locked mode ring of right side mould and mould outside, left side, described in lock modular ring and lower locked modeThe ring inner surface of ring is consistent with the taper surface angle of left side mould and mould mould assembly position, right side, while making mould mould assemblyCan cooperatively interact, form Self-locking angle angle;
Described clamping apparatus also comprises right driving cylinder and the left driving cylinder for driving lower locked mode ring motion;
Right driving cylinder and left driving cylinder are symmetrical and be fixedly mounted on press bench plate,
Lower locked mode ring is fixedly connected with left driving cylinder with right driving cylinder;
The modular ring of locking is realized and being flexibly connected of cope match-plate pattern by multiple equally distributed connectors;
Described connector comprises connecting screw rod, screw sleeve and spring; Screw sleeve is fixedly connected with by connecting screw rodLocking on modular ring, both ends of the spring is fixedly connected on respectively locks on modular ring and cope match-plate pattern.
2. the clamping apparatus of Direct Squeezing Casting mould according to claim 1, is characterized in that,Described clamping apparatus also comprises that one is arranged on the upper junction plate on cope match-plate pattern top, at cope match-plate pattern and upper junction plateOn have and can realize the hole of returning action for connecting screw rod and screw sleeve.
3. the clamping apparatus of Direct Squeezing Casting mould according to claim 2, is characterized in that,Described Self-locking angle angle is 6 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410339952.6A CN104139170B (en) | 2014-07-16 | 2014-07-16 | A kind of clamping apparatus of Direct Squeezing Casting mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410339952.6A CN104139170B (en) | 2014-07-16 | 2014-07-16 | A kind of clamping apparatus of Direct Squeezing Casting mould |
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| Publication Number | Publication Date |
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| CN104139170A CN104139170A (en) | 2014-11-12 |
| CN104139170B true CN104139170B (en) | 2016-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410339952.6A Expired - Fee Related CN104139170B (en) | 2014-07-16 | 2014-07-16 | A kind of clamping apparatus of Direct Squeezing Casting mould |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104550847A (en) * | 2015-02-11 | 2015-04-29 | 泗阳敏于行精密机械有限公司 | Low-pressure wheel hub casting mold |
| CN113231621B (en) * | 2021-03-31 | 2023-01-03 | 滨州渤海活塞有限公司 | Piston liquid die forging casting machine |
| CN118084306A (en) * | 2024-01-26 | 2024-05-28 | 武汉中誉鼎力智能科技有限公司 | High-rigidity mold locking mechanism of lower mold of glass insulator and internal water channel cooling system |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63256256A (en) * | 1987-04-14 | 1988-10-24 | Honda Motor Co Ltd | Forming die device |
| DE3887113T2 (en) * | 1987-11-09 | 1994-04-28 | Kosmek Amagasaki Kk | Hydraulic tensioning device. |
| CN2759643Y (en) * | 2004-12-17 | 2006-02-22 | 武汉理工大学 | Device for locking die slider utilizing pyramidal face |
| CN1314502C (en) * | 2005-07-11 | 2007-05-09 | 华南理工大学 | Additional mould locking device of indirect extrusion casting |
| CN100512996C (en) * | 2007-07-11 | 2009-07-15 | 林耿兴 | Double-layer metal heat preservation container synchronization liquid expansion forming device and forming method for the same |
| CN202399469U (en) * | 2011-12-16 | 2012-08-29 | 宁波万隆模塑成型有限公司 | Step-by-step opening injection mould |
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Granted publication date: 20160504 Termination date: 20210716 |