CN102527987B - Pressure casting die for manufacturing motor end cap of electric rearview mirror - Google Patents

Pressure casting die for manufacturing motor end cap of electric rearview mirror Download PDF

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Publication number
CN102527987B
CN102527987B CN 201010618961 CN201010618961A CN102527987B CN 102527987 B CN102527987 B CN 102527987B CN 201010618961 CN201010618961 CN 201010618961 CN 201010618961 A CN201010618961 A CN 201010618961A CN 102527987 B CN102527987 B CN 102527987B
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CN
China
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moving
core
die
casting
ejector pin
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CN 201010618961
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Chinese (zh)
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CN102527987A (en
Inventor
祁先益
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东莞市东升压铸模具有限公司
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Priority to CN 201010618961 priority Critical patent/CN102527987B/en
Publication of CN102527987A publication Critical patent/CN102527987A/en
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Publication of CN102527987B publication Critical patent/CN102527987B/en

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Abstract

The invention relates to the technical field of pressure casting dies, in particular to a pressure casting die for manufacturing a motor end cap of an electric rearview mirror. A movable die insert is mounted on one side of a movable die core deviating from a fixed die core, a feed pipe with a main runner is arranged on one side of a fixed die plate deviating from a movable die plate, a spure spreader corresponding to the feed pipe is arranged between the movable die plate and the fixed die plate and provided with sub-runners communicated with a casting cavity, the main runner and the sub-runners are communicated and jointly form a casting system, an ejector sleeve device is arranged at the end of one side of the casting cavity deviating from the fixed die plate and comprises an ejector sleeve and an ejector pin matched with the ejector sleeve, the ejector pin and the fixed die plate are matched and jointly enclosed to form an inner peripheral wall of the casting cavity, and the movable die insert and the movable die plate are matched and jointly enclosed to form an outer peripheral wall of the casting cavity. The pressure casting die includes a plurality of filling cavities, a formed casting is ejected by the ejector sleeve device, and the pressure casting die has the advantages of convenience in ejecting products and high forming quality.

Description

A kind of die casting for the manufacture of the driven rearview mirrors electric motor end cap

Technical field

The present invention relates to the die casting technical field, relate in particular to a kind of die casting for the manufacture of the driven rearview mirrors electric motor end cap.

Background technology

Driven rearview mirrors refer to be installed on the outer both sides of car and can by electronic button directly regulate rearview mirror; When driven rearview mirrors was regulated, the driver need not to go to the visual angle that car can be regulated rearview mirror outward like a cork.

Structurally generally there is the bigger macroprism of a length in the motor that the existing driven rearview mirrors that drives automobile rotates; When utilizing existing die casting casting to process the driven rearview mirrors electric motor end cap, because macroprism length is to the influence of structure of cast die, the gate location of die casting is often far away apart from housing moulding end, will bring great inconvenience to the foundry goods demoulding after the cooled and solidified like this, simultaneously, the Forming Quality of foundry goods is not high yet.Therefore, how to improve structure of cast die and further improve the quality of products and the convenience processed becomes electromotion rearview mirror of car production firm urgent problem.

Summary of the invention

The objective of the invention is to provides a kind of die casting for the manufacture of the driven rearview mirrors electric motor end cap at the deficiencies in the prior art, should be for the manufacture of the die casting demoulding smoothly of driven rearview mirrors electric motor end cap, through the housing quality height of its casting.

For achieving the above object, the present invention is achieved through the following technical solutions:

A kind of die casting for the manufacture of the driven rearview mirrors electric motor end cap, include moving platen and solid plate, moving platen is equiped with moving-mould-core in the side over against solid plate, the corresponding moving-mould-core of solid plate is equiped with the cover half core, moving-mould-core cooperates with the cover half core, moving-mould-core is equiped with moving die insert in a side that deviates from the cover half core, solid plate is equipped with the material pipe with sprue in a side that deviates from moving platen, corresponding material pipe is provided with the branch flow cone between moving platen and the solid plate, divide flow cone to offer the runner that is communicated with the foundry goods die cavity, sprue is communicated with runner and the common casting system of forming; The foundry goods die cavity sets officials' tube liftout attachment in the end that deviates from solid plate one side, department tube liftout attachment comprises officials' tube and an ejector pin that cooperates with the department tube, wherein, ejector pin cooperates with solid plate and encloses the internal perisporium of dressing up the foundry goods die cavity jointly, and moving die insert cooperates with moving platen and also encloses the periphery wall of dressing up the foundry goods die cavity jointly.

Wherein, the corresponding described department of described moving die insert tube liftout attachment offers installing hole, described department tube is flush-mounted in the installing hole movably, and a side of described moving platen is equipped with the base plate of the portable plate that is fixed in die casting machine, and the stiff end of described ejector pin is fixed in base plate.

Wherein, the inside of described ejector pin offers coolant flow channel, coolant flow channel includes water inlet flow channel and outlet passage, be provided with dividing plate between water inlet flow channel and the outlet passage, the corresponding water inlet flow channel of described base plate and outlet passage offer first water channel hole respectively, and first water channel hole is communicated with corresponding water inlet flow channel and outlet passage respectively.

Wherein, also include the push piece device, the push rod that the push piece device includes push pedal, ejector pin retaining plate and is used for the pushing tow mould casting, push pedal and ejector pin retaining plate are spirally connected, and the stiff end of push rod and described department tube is installed in respectively between push pedal and the ejector pin retaining plate.

Wherein, described cover half core and described moving-mould-core offer the oil hole that is communicated with oil temperature machine respectively.

Wherein, described moving die insert is arranged with the fortune water jacket, and the internal perisporium of fortune water jacket and the periphery wall of moving die insert touch, and are provided with the circulation water cavity between fortune water jacket and the moving die insert, the corresponding circulation water cavity of described moving platen offers second water channel hole, and second water channel hole is communicated with the circulation water cavity.

Beneficial effect of the present invention is: a kind of die casting for the manufacture of the driven rearview mirrors electric motor end cap of the present invention, include moving platen and solid plate, moving platen is equiped with moving-mould-core in the side over against solid plate, the corresponding moving-mould-core of solid plate is equiped with the cover half core, moving-mould-core cooperates with the cover half core, moving-mould-core is equiped with moving die insert in a side that deviates from the cover half core, solid plate is equipped with the material pipe with sprue in a side that deviates from moving platen, corresponding material pipe is provided with the branch flow cone between moving platen and the solid plate, divide flow cone to offer the runner that is communicated with the foundry goods die cavity, sprue is communicated with runner and the common casting system of forming; The foundry goods die cavity sets officials' tube liftout attachment in the end that deviates from solid plate one side, department tube liftout attachment comprises officials' tube and an ejector pin that cooperates with the department tube, wherein, ejector pin cooperates with solid plate and encloses the internal perisporium of dressing up the foundry goods die cavity jointly, and moving die insert cooperates with moving platen and also encloses the periphery wall of dressing up the foundry goods die cavity jointly.When utilizing the present invention to cast processing driven rearview mirrors electric motor end cap, the mutual amalgamation of cover half core, moving-mould-core, ejector pin and moving die insert is also enclosed and is dressed up the foundry goods die cavity, the molten metal in the feeding pipe enters the foundry goods die cavity through sprue and runner, runner is divided into the multiply multiposition with molten metal and fills the foundry goods die cavity simultaneously, filling effect is good, housing Forming Quality height; Simultaneously, in the process of die sinking of the present invention, the macroprism end of department's tube pushing tow electric machine casing of department's tube liftout attachment, department's tube can be stablized and easily the foundry goods after the moulding be ejected the foundry goods die cavity.So the present invention has the advantage that product stripping is convenient, Forming Quality is high.

Description of drawings

The present invention is further illustrated to utilize accompanying drawing below, but the embodiment in the accompanying drawing does not constitute any limitation of the invention.

Fig. 1 is generalized section of the present invention.

Fig. 2 is the generalized section of another location of the present invention.

Fig. 3 is the plan structure schematic diagram of die joint of the present invention position.

In Fig. 1 to Fig. 3, include:

1---moving platen 11---moving-mould-core 12---moving die insert

13---second water channel hole 2---solid plate 21---cover half cores

3---material pipe 31---sprues 4---branch flow cones

41---runner 5---department's tube liftout attachment 51---department's tubes

52---ejector pin 6---base plate 61---first water channel holes

7---coolant flow channel 8---push piece device 81---push pedals

82---ejector pin retaining plate 83---push rod 9---fortune water jackets

91---circulation water cavity 100---oil hole.

The specific embodiment

The present invention is further illustrated below in conjunction with embodiment.

As shown in Figure 1 to Figure 3, a kind of die casting for the manufacture of the driven rearview mirrors electric motor end cap, include moving platen 1 and solid plate 2, moving platen 1 is equiped with moving-mould-core 11 in the side over against solid plate 2, solid plate 2 corresponding moving-mould-cores 11 are equiped with cover half core 21, moving-mould-core 11 cooperates with cover half core 21, moving-mould-core 11 is equiped with moving die insert 12 in a side that deviates from cover half core 21, solid plate 2 is equipped with the material pipe 3 with sprue 31 in a side that deviates from moving platen 1, corresponding material pipe 3 is provided with branch flow cone 4 between moving platen 1 and the solid plate 2, divide flow cone 4 to offer the runner 41 that is communicated with the foundry goods die cavity, sprue 31 is communicated with runner 41 and the common casting system of forming; The foundry goods die cavity sets officials' tube liftout attachment 5 in the end that deviates from solid plate 2 one sides, a department tube liftout attachment 5 comprise officials' tube 51 and with department's tube 51 ejector pins that cooperate 52, wherein, ejector pin 52 cooperates with solid plate 2 and encloses the internal perisporium of dressing up the foundry goods die cavity jointly, and moving die insert 12 cooperates with moving platen 1 and also encloses the periphery wall of dressing up the foundry goods die cavity jointly.

In assembling process of the present invention, moving-mould-core 11 intercalations are to moving platen 1 corresponding mounting groove, 21 intercalations of cover half core are to solid plate 2 corresponding mounting grooves, and wherein, moving-mould-core 11 and cover half core 21 can be by being spirally connected or the tight fit mode is fixed in the corresponding mounting groove.The foundry goods die cavity by cover half core 21, moving-mould-core 11, ejector pin 52 and moving die insert 12 mutual amalgamations and enclose the dress form, wherein, ejector pin 52 cooperates with solid plate 2 and encloses the internal perisporium of dressing up the foundry goods die cavity jointly, moving die insert 12 cooperates with moving platen 1 and encloses the periphery wall of dressing up the foundry goods die cavity jointly, as depicted in figs. 1 and 2, end face and the solid plate 2 of ejector pin 52 forming endses touch, i.e. ejector pin 52 and the inside die cavity of solid plate 2 in order to the macroprism of moulding driven rearview mirrors electric motor end cap.

When utilizing the present invention to cast processing driven rearview mirrors electric motor end cap, the molten metal in the feeding pipe 3 enters the foundry goods die cavity through sprue 31 and runner 41, molten metal is divided into multiply to runner 41 and multiposition is filled the foundry goods die cavity simultaneously, single relatively cast gate die cast, the present invention can fill the foundry goods die cavity comparatively fast, filling effect is better, and the housing Forming Quality is also higher; Simultaneously, in the process of die sinking of the present invention, moving platen 1 separates with solid plate 2, after treating that moving platen 1 moves to certain position, the macroprism end of department's tube 51 pushing tow electric machine casings of department's tube liftout attachment 5, the relatively push rod 83 pushing tow mould casting demouldings, department's tube 51 can be stablized and easily mould casting be ejected the foundry goods die cavity.So the present invention has the advantage that housing is convenient in demoulding, Forming Quality is high.

As preferred embodiment, described moving die insert 12 corresponding described department tube liftout attachments 5 offer installing hole, described department tube 51 is flush-mounted in the installing hole movably, one side of described moving platen 1 is equipped with the base plate 6 of the portable plate that is fixed in die casting machine, and the stiff end of described ejector pin 52 is fixed in base plate 6.When the present invention was installed on the die casting machine, base plate 6 was fixed on the moving platen 1 of die casting machine, wherein, was provided with cushion block and push piece device 8 between base plate 6 and the moving platen 1; When utilization department tube liftout attachment 5 makes the mould casting demoulding, moving platen 1 stops action after moving to certain position, at this moment, push piece device 8 is pushed to moving platen 1 one sides, and the department's tube 51 that is fixed between push pedal 81 and the ejector pin retaining plate 82 moves and the pushing tow mould castings with push piece device 8; In addition, push pedal 81 and ejector pin retaining plate 82 are connected together by screw, and the stiff end of ejector pin 52 is fixed in base plate 6 by screw, and push rod 83 also is fixed between push pedal 81 and the ejector pin retaining plate 82, and push rod 83 is also with department's 51 pushing tow mould casting.

As preferred embodiment, the inside of described ejector pin 52 offers coolant flow channel 7, coolant flow channel 7 includes water inlet flow channel and outlet passage, be provided with dividing plate between water inlet flow channel and the outlet passage, described base plate 6 corresponding water inlet flow channels and outlet passage offer first water channel hole, 61, the first water channel holes 61 respectively and are communicated with corresponding water inlet flow channel and outlet passage respectively.One end of first water channel hole 61 is connected with corresponding water pump by pipe joint, and the other end of first water channel is communicated with corresponding water inlet flow channel and outlet passage.In the course of work of the present invention, water pump is sent to cooling water in first water channel hole 61 corresponding with water inlet flow channel, the cooling water that water pump transmits is successively through entering in first water channel hole 61 corresponding with outlet passage behind water inlet flow channel, the outlet passage and finally being back in the storage tank through sebific duct, wherein, be provided with a dividing plate between water inlet flow channel and the outlet passage, dividing plate is separated into two isolated areas that are communicated with successively with water inlet flow channel and outlet passage.The present invention cools off by the department's tube 51 in 7 pairs of courses of work of coolant flow channel, can lower the temperature to mould like this, defective such as the sticking to mould of having avoided effectively causing owing to mold temperature is too high, shrinkage cavity.In addition, the present invention can arrange water regulating valve between water pump and first water channel hole 61, can be used for regulating the water yield via water inlet flow channel and outlet passage like this by the Flow-rate adjustment of water regulating valve.

As preferred embodiment, described cover half core 21 and described moving-mould-core 11 offer the oil hole 100 that is communicated with oil temperature machine respectively.The oil hole 100 that is opened in same core rod can connect and form a continuous passage around the foundry goods die cavity successively, and wherein, the both ends of this continuous passage are communicated with via the oily temperature machine of the passage that is opened in corresponding templates with the external world respectively.In the course of work of the present invention, the warm machine of oil is heated to uniform temperature with fluid, fluid after the heating is sent in the oil hole 100 that connects successively by oil pump, fluid after the heating can carry out The pre-heat treatment to moving-mould-core 11 and cover half core 21, can avoid like this causing owing to the die casting stroke is long the molten metal temperature descend too fast, molten metal too early solidifies and to the influence of foundry goods Forming Quality.

As preferred embodiment, described moving die insert 12 is arranged with fortune water jacket 9, the internal perisporium of fortune water jacket 9 and the periphery wall of moving die insert 12 touch, be provided with circulation water cavity 91 between fortune water jacket 9 and the moving die insert 12, described moving platen 1 corresponding circulation water cavity 91 offers second water channel hole, 13, the second water channel holes 13 and is communicated with circulation water cavity 91.After treating the molten metal die cast, for accelerating the mould casting cooling velocity, the present invention is by arranging circulation water cavity 91 at fortune water jacket 9 with moving die insert 12, the cooling water that temperature is lower enters circulation water cavity 91 through second water channel hole 13, continuous cooling water ground circulation and to moving die insert 12 coolings in circulation water cavity 91, and then accelerate cooling velocity.

Above content is preferred embodiment of the present invention only, and for those of ordinary skill in the art, according to thought of the present invention, the part that all can change in specific embodiments and applications, this description should not be construed as limitation of the present invention.

Claims (5)

1. die casting for the manufacture of the driven rearview mirrors electric motor end cap, include moving platen (1) and solid plate (2), moving platen (1) is equiped with moving-mould-core (11) in the side over against solid plate (2), the corresponding moving-mould-core of solid plate (2) (11) is equiped with cover half core (21), moving-mould-core (11) cooperates with cover half core (21), it is characterized in that: moving-mould-core (11) is equiped with moving die insert (12) in a side that deviates from cover half core (21), solid plate (2) is equipped with the have sprue material pipe (3) of (31) in a side that deviates from moving platen (1), corresponding material pipe (3) is provided with branch flow cone (4) between moving platen (1) and the solid plate (2), divide flow cone (4) to offer the runner (41) that is communicated with the foundry goods die cavity, sprue (31) is communicated with runner (41) and the common casting system of forming; The foundry goods die cavity sets officials' tube liftout attachment (5) in the end that deviates from solid plate (2) one sides, department's tube liftout attachment (5) comprises officials' tube (51) and the ejector pin (52) that cooperates with department's tube (51), wherein, ejector pin (52) cooperates with solid plate (2) and encloses the internal perisporium of dressing up the foundry goods die cavity jointly, and moving die insert (12) cooperates with moving platen (1) and also encloses the periphery wall of dressing up the foundry goods die cavity jointly; Described moving die insert (12) is arranged with fortune water jacket (9), the internal perisporium of fortune water jacket (9) and the periphery wall of moving die insert (12) touch, be provided with circulation water cavity (91) between fortune water jacket (9) and the moving die insert (12), the corresponding circulation water cavity of described moving platen (1) (91) offers second water channel hole (13), and second water channel hole (13) is communicated with circulation water cavity (91).
2, a kind of die casting for the manufacture of the driven rearview mirrors electric motor end cap according to claim 1, it is characterized in that: the corresponding described department's tube liftout attachment of described moving die insert (12) (5) offers installing hole, described department's tube (51) is flush-mounted in the installing hole movably, one side of described moving platen (1) is equipped with the base plate (6) of the portable plate that is fixed in die casting machine, and the stiff end of described ejector pin (52) is fixed in base plate (6).
3, a kind of die casting for the manufacture of the driven rearview mirrors electric motor end cap according to claim 2, it is characterized in that: the inside of described ejector pin (52) offers coolant flow channel (7), coolant flow channel (7) includes water inlet flow channel and outlet passage, be provided with dividing plate between water inlet flow channel and the outlet passage, the corresponding water inlet flow channel of described base plate (6) and outlet passage offer first water channel hole (61) respectively, and first water channel hole (61) is communicated with corresponding water inlet flow channel and outlet passage respectively.
4, a kind of die casting for the manufacture of the driven rearview mirrors electric motor end cap according to claim 3, it is characterized in that: also include push piece device (8), the push rod (83) that push piece device (8) includes push pedal (81), ejector pin retaining plate (82) and is used for the pushing tow mould casting, push pedal (81) is spirally connected with ejector pin retaining plate (82), and the stiff end of push rod (83) and described department's tube (51) is installed in respectively between push pedal (81) and the ejector pin retaining plate (82).
5, a kind of die casting for the manufacture of the driven rearview mirrors electric motor end cap according to claim 1 is characterized in that: described cover half core (21) and described moving-mould-core (11) offer the oil hole (100) that is communicated with oil temperature machine respectively.
CN 201010618961 2010-12-31 2010-12-31 Pressure casting die for manufacturing motor end cap of electric rearview mirror CN102527987B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201010618961 CN102527987B (en) 2010-12-31 2010-12-31 Pressure casting die for manufacturing motor end cap of electric rearview mirror

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201010618961 CN102527987B (en) 2010-12-31 2010-12-31 Pressure casting die for manufacturing motor end cap of electric rearview mirror

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CN102527987A CN102527987A (en) 2012-07-04
CN102527987B true CN102527987B (en) 2013-09-25

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014059623A1 (en) * 2012-10-17 2014-04-24 Microsoft Corporation Metal alloy injection molding
CN103171090A (en) * 2013-04-12 2013-06-26 昆山腾宇鑫金属制品有限公司 Die
CN104959566B (en) * 2015-06-26 2016-09-28 安徽古德纳克科技股份有限公司 The processing mold of gasoline motor lid
CN104907504B (en) * 2015-06-26 2017-01-25 安徽古德纳克科技股份有限公司 Machining mold for gasoline saw motor cover

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5930463A (en) * 1982-08-11 1984-02-18 Toshiba Corp Production device with die casting
DE4316029C1 (en) * 1993-05-13 1994-11-17 Rainer Knarr Stepless sleeve ejector
JP3921513B2 (en) * 2002-04-17 2007-05-30 株式会社木村工業 Molding apparatus and mold unit used therefor
CN2925828Y (en) * 2006-03-20 2007-07-25 佛山市顺德区汉达精密电子科技有限公司 Mold pipeline cooler
CN201900247U (en) * 2010-12-31 2011-07-20 东莞市东升压铸模具有限公司 Die casting mould for manufacturing motor end cover of electric rearview mirror

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