Utility model content
The purpose of this utility model is to provide a kind of die casting and die casting equipment, to solve present in prior art
It is dynamic sealing state between the ejecting mechanism and mould side wall of existing vacuum die-casting mould, can not ensures true in mold
The technical problem of Altitude.
A kind of die casting provided by the utility model, including moving clamping plate, sealing frame, male template and the mother being sequentially connected
Template, the moving clamping plate, the sealing frame and the male template surround the annular seal space for accommodating ejecting mechanism jointly, described
Male template is communicated with the type with forming the die cavity for molten metal shaping after the caster matched moulds in the male template
The ejection hole of chamber and the annular seal space;
The ejecting mechanism includes drive device and push rod, and the drive device is detachable to be fixedly arranged on the moving clamping plate
On, described push rod one end is fixed in the drive device, and the other end is plugged in the ejection hole;The caster is provided with
Sprue bush, the sprue bush are provided with interface and cast gate.
Further, the bottom surface of the moving clamping plate is provided with link slot, and first annular seal groove is provided with the link slot
With the first counter sunk mounting holes, first counter sunk mounting holes are located at the annular inboard of the first annular seal groove, and described first
First annular sealing ring is provided with annular seal groove, is provided with the link slot for being compressed to the first annular sealing ring
Sealing plate;The drive device is provided with screwed hole, and the screwed hole is corresponding with first counter sunk mounting holes.
Further, the sealing plate is provided with the second counter sunk mounting holes, and the bottom land of the link slot is provided with tapped blind hole,
The tapped blind hole is corresponding with second counter sunk mounting holes, and positioned at the annular outboard of the first annular seal groove.
Further, the bottom land of the link slot is square, and the annular center of circle of the first annular seal groove is located at institute
State the center of square;The tapped blind hole is four, and four tapped blind holes are located at four square angles respectively.
Further, the male template is provided with spreader, and the spreader is provided with runner, the runner connection
The sprue bush and the die cavity.
Further, the ejection hole position is on the spreader, and connects the runner and the annular seal space.
Further, the end face that the male template is connected with the caster is provided with the second annular seal groove, and described
The second O-ring seal is provided with second ring seal groove.
Further, the end face that the moving clamping plate is connected with the sealing frame is provided with the 3rd annular seal groove, described
The 3rd O-ring seal is provided with 3rd annular seal groove.
Further, support block is provided with the annular seal space, the support block is clamped in the moving clamping plate and the public affairs
Between template.
The utility model die casting has the beneficial effect that:
Die casting provided by the utility model, including moving clamping plate, sealing frame and the male template being tightly connected successively, three
Person forms the annular seal space for accommodating ejecting mechanism, and male template is pushed up with forming the die cavity for forming metal after caster matched moulds
Going out mechanism includes being used to the metal after shaping ejecting the push rod of die cavity and the drive device for driving push rod to move reciprocatingly.
During work, after male template and caster matched moulds, the cast gate of the injection nozzle connection sprue bush of die casting machine, injection plunger sealing, which is plugged in, pours
In the interface of muzzle, using air exhaust nozzle by vacuum pumping environment in the annular seal space and die cavity of die casting;Injection nozzle is to sprue bush
Molten metal is quickly pressed into die cavity by interior injection molten metal, subsequent injection plunger, and molten metal is cooled and shaped in die cavity.Gold
After category shaping, male template divides mould with caster, and die cavity is divided into two parts, and shaped article is embedded in that portion of male template composition die cavity
Point, drive device is opened, drive device driving push rod moves along ejection hole to die cavity, until abutting shaped article and producing shaping
Product release die cavity, and drive device then drives push rod to return to initial position, complete a circulation of die cast metal.Ejecting mechanism is whole
Body is arranged in the annular seal space of the inside of die casting, and annular seal space is interconnected sealed environment with die cavity, and push rod is sealing
Intracavitary moves back and forth the vacuum for not interfering with die cavity, so that it is guaranteed that the high quality of shaped article.
Another purpose of the present utility model is to provide a kind of die casting equipment, including die casting machine and above-mentioned die casting,
The Interference fit grafting of the injection plunger of the die casting machine and the sprue bush, the injection nozzle of the die casting machine and the sprue bush
Cast gate connects, and the die casting equipment has all technique effects of above-mentioned die casting, repeated no more here.
Embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with accompanying drawing, it is clear that described
Embodiment is the utility model part of the embodiment, rather than whole embodiments.Based on the embodiment in the utility model, sheet
The every other embodiment that field those of ordinary skill is obtained under the premise of creative work is not made, belongs to this practicality
Novel protected scope.
, it is necessary to explanation in description of the present utility model, term " " center ", " on ", " under ", it is "left", "right", " perpendicular
Directly ", the orientation of the instruction such as " level ", " interior ", " outer " or position relationship are based on orientation shown in the drawings or position relationship, are only
Described for the ease of description the utility model and simplifying, rather than instruction or imply signified device or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.In addition, term " the
One ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that instruction or hint relative importance.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection;Can be mechanical connection or electrical connection;Can be joined directly together, can also be indirectly connected by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Concrete meaning of the language in the utility model.
The present embodiment provides a kind of die casting, as shown in Fig. 1-Fig. 3, Fig. 6, including the moving clamping plate 1, close being sequentially connected
Envelope frame 2, male template 3 and caster 4, moving clamping plate 1, sealing frame 2 and male template 3 surround for accommodating the close of ejecting mechanism jointly
Seal chamber, the die cavity for molten metal shaping formed after male template 3 and the matched moulds of caster 4, be communicated with male template 3 die cavity with
The ejection hole 31 of annular seal space;Ejecting mechanism includes drive device 5 and push rod 6, and drive device 5 is detachable to be fixedly arranged on moving clamping plate
On 1, the one end of push rod 6 is fixed in drive device 5, and the other end is plugged in ejection hole 31;Caster 4 is provided with sprue bush 7, pours
Muzzle 7 is provided with interface and cast gate.
The die casting that the present embodiment provides, including moving clamping plate 1, sealing frame 2 and the male template 3 being tightly connected successively,
Three forms the annular seal space for accommodating ejecting mechanism, and male template 3 after the matched moulds of caster 4 with forming the type for forming metal
Chamber, ejecting mechanism include being used to the metal after shaping ejecting the push rod 6 of die cavity and the drive for driving push rod 6 to move reciprocatingly
Dynamic device 5.During work, after male template 3 and the matched moulds of caster 4, the cast gate of the injection nozzle connection sprue bush 7 of die casting machine, injection plunger
Sealing is plugged in the interface of sprue bush 7, using air exhaust nozzle by vacuum pumping environment in the annular seal space and die cavity of die casting;Note
Nozzle injects molten metal into sprue bush 7, and molten metal is quickly pressed into die cavity by subsequent injection plunger, and molten metal is in die cavity
Interior cooling and shaping.After metal forming, male template 3 divides mould with caster 4, and die cavity is divided into two parts, and shaped article is embedded in male model
Plate 3 forms the part of die cavity, opens drive device 5, and drive device 5 drives push rod 6 to be moved along ejection hole 31 to die cavity, until
Abut shaped article and shaped article is released into die cavity, drive device 5 then drives push rod 6 to return to initial position, completes metal
One circulation of die casting.Ejecting mechanism is wholy set in the annular seal space of the inside of die casting, and annular seal space and die cavity are mutual
The sealed environment of connection, push rod 6 move back and forth the vacuum for not interfering with die cavity in annular seal space, so that it is guaranteed that shaped article
High quality.
In the present embodiment, as shown in Figure 3 and Figure 4, the bottom surface of moving clamping plate 1 can be provided with link slot 11, in link slot 11
Provided with the first annular counter sunk mounting holes 13 of seal groove 12 and first, the first counter sunk mounting holes 13 are located at first annular seal groove 12
Annular inboard, first annular seal groove 12 is interior to be provided with first annular sealing ring, is provided with link slot 11 for first annular
The sealing plate 15 that sealing ring compresses;Drive device 5 is provided with screwed hole, and screwed hole is corresponding with the first counter sunk mounting holes 13.Make
Used time, passed through from the sunk screw of suitable types from the first counter sunk mounting holes 13 of the bottom land of link slot 11, then screw in driving
In the screwed hole of device 5, drive device 5 is fixed on moving clamping plate 1, wherein, from sunk screw as connector, countersunk head
After screw and the first counter sunk mounting holes 13 are connected, the end of sunk screw can be completely embedded into the first counter sunk mounting holes 13
It is interior, without projection in the side wall of moving clamping plate 1, so as to reduce the influence that connector projection is fixed to sealing plate 15.Driving dress
Put 5 fix after, sealing plate 15 is installed in link slot 11 first annular sealing ring is compressed, first annular sealing ring clamps
Form what is connected with the first counter sunk mounting holes 13 and annular seal space between sealing plate 15 and first annular seal groove 12, between three
Chamber, the air in the outside of moving clamping plate 1 can not pass through the annular seal space and type inside the first counter sunk mounting holes 13 entrance die casting
Chamber, so as on the basis of realizing that drive device 5 is fixedly mounted, it is ensured that the vacuum of annular seal space and die cavity.
Specifically, sealing plate 15 can be pressed in link slot 11 by the way that different forms is detachable, e.g., clamping, grafting,
Threaded connection etc..
Specifically, in the present embodiment, as shown in Figure 3 and Figure 4, the second counter sunk mounting holes can be provided with sealing plate 15
16, the bottom land of link slot 11 is provided with tapped blind hole 14, and tapped blind hole 14 is corresponding with the second counter sunk mounting holes 16, and positioned at first
The annular outboard of annular seal groove 12.When sealing plate 15 is installed, sealing plate 15 is loaded in link slot 11, from suitable types
Sunk screw is through the second counter sunk mounting holes 16 and screws in tapped blind hole 14, and tapped blind hole 14 is located at first annular seal groove 12
Annular outboard, there is no shadow to the chamber formed between first annular sealing ring and sealing plate 15 and first annular seal groove 12
Ring, and tapped blind hole 14 does not connect with the annular seal space of die casting, so as to which sealing plate 15 is fixedly connected on into link slot in realization
On the basis of being compressed in 11 to first annular sealing ring, the vacuum of annular seal space and die cavity is not influenceed.
In the present embodiment, as shown in figure 3, the bottom land of link slot 11 can be square, the ring of first annular seal groove 12
The shape center of circle is positioned at the center of square;Tapped blind hole 14 is four, and four tapped blind holes 14 are respectively positioned at four angles of square.
When the bottom land of link slot 11 is square, sealing plate 15 is also accordingly square plate, and four tapped blind holes 14 are respectively arranged on connection
Four angles of the bottom land of groove 11, four angles on sealing plate 15 are also accordingly respectively equipped with second counter sunk mounting holes 16, choose four
The sunk screw of individual suitable types is each passed through the second counter sunk mounting holes 16 and screwed in tapped blind hole 14 and sealing plate 15 is carried out
It is fixedly connected, it can be ensured that the degree of being connected firmly of sealing plate 15, and ensure sealing plate 15 to first annular sealing ring circumference
Compaction degree, so that it is guaranteed that the sealing between sealing plate 15 and link slot 11.
In the present embodiment, as shown in fig. 6, spreader 8 can also be provided with male template 3, spreader 8 is provided with shunting
Road, runner connection sprue bush 7 and die cavity.Molten metal in sprue bush 7 first flows through the runner of spreader 8, subsequently enters
In die cavity, the concrete form of runner on spreader 8 is designed according to the setting structure of die cavity, to ensure that molten metal can use up
Equably it may be promoted comprehensively in die cavity, to obtain the shaped article of high quality.
In the present embodiment, as shown in fig. 6, ejection hole 31 can be located on spreader 8, and runner and annular seal space are connected.
The runner that molten metal is flowed through on spreader 8 is cooled and shaped after entering die cavity in die cavity, remaining melting gold in runner
Category is also cooled and shaped simultaneously, after male template 3 divides mould with caster 4, opens drive device 5, drive device 5 drives push rod 6 to push away
Cooling metal in dynamic runner, after entirely cooling metal drops out of die cavity, operating personnel will can be molded in runner
Metal derby knock-off, only leaves shaped article, so as on the basis of realizing shaped article ejection die cavity, it is possible to reduce or even keep away
Exempt from the abrasion for contradicting ejection to shaped article outer wall direct to shaped article of push rod 6.
In the present embodiment, the second annular seal groove, the second ring can be provided with the end face that male template 3 is connected with caster 4
The second O-ring seal is provided with shape seal groove.Matched moulds is constantly repeated between male template 3 and caster 4, divides the action of mould, it is public
After template 3 and the matched moulds of caster 4, caster 4 compresses with the end face that male template 3 is connected to the second O-ring seal, male model
It is tightly connected, is evacuated so that it is guaranteed that outside air will not enter in the die cavity of environment, with true between plate 3 and caster 4
Protect the vacuum of die cavity.Similar, can also be in the connection position of the link position of sprue bush 7 and mould, air exhaust nozzle and caster 4
Sealing ring has been installed, has entered die cavity to reduce outside air, so as to improve the vacuum of mold cavity.
Similar, can also be close with being provided with the 3rd annular on the connecting end surface of sealing frame 2 in moving clamping plate 1 in the present embodiment
Sealing groove, the 3rd annular seal groove is interior to be provided with the 3rd O-ring seal.Moving clamping plate 1 is close to tricyclic after being connected with sealing frame 2
Seal compresses, to ensure the sealing between moving clamping plate 1 and sealing frame 2, reduce outside air enter annular seal space and flow into
The occurrence of entering in die cavity, further ensure that the tightness of annular seal space and die cavity.
In the present embodiment, as shown in figure 5, support block 9 can be provided with annular seal space, support block 9 be clamped in moving clamping plate 1 with
Between male template 3.When male template 3 is with 4 matched moulds of caster in die casting, die casting machine applies simultaneously to male template 3 and caster 4
Larger pressure, male template 3 and caster 4 are forced together, support block 9 is set in annular seal space, support block 9 is clamped in moving die bottom
Between plate 1 and the bottom plate of male template 3, i.e. length of the thickness of support block 9 with sealing frame 2 along its length is identical, works as die casting
When machine compresses to male template 3 and caster 4, the both ends of sealing frame 2 are by the power clamped, now, the both ends of support block 9
By clamping force, support block 9 has shared active force of the bottom plate to sealing frame 2 of a part of moving clamping plate 1 and male template 3, so as to
Reduce sealing frame 2 during matched moulds be crushed deformation, even in damage annular seal space the occurrence of ejecting mechanism, and then ensure to push up
Go out mechanism normal work in annular seal space.
The present embodiment also provides a kind of die casting equipment, including die casting machine and above-mentioned die casting, the injection plunger of die casting machine with
The Interference fit grafting of sprue bush 7, the injection nozzle of die casting machine are connected with the cast gate of sprue bush 7.During work, male template 3 and master mold
After the matched moulds of plate 4, the cast gate of the injection nozzle connection sprue bush 7 of die casting machine, injection plunger sealing is plugged in the interface of sprue bush 7, profit
With air exhaust nozzle by vacuum pumping environment in the annular seal space and die cavity of die casting;Injection nozzle injects molten metal into sprue bush 7,
Molten metal is quickly pressed into die cavity by subsequent injection plunger, and molten metal is cooled and shaped in die cavity.The die casting equipment has upper
All beneficial effects of die casting are stated, ejecting mechanism is wholy set in the annular seal space inside die casting, annular seal space and type
Chamber is interconnected sealed environment, and push rod 6 moves back and forth the vacuum for not interfering with die cavity in annular seal space, so that it is guaranteed that into
The high quality of type product.
Finally it should be noted that:Above example is only to illustrate the technical solution of the utility model, rather than its limitations;
Although the utility model is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that:
It can still modify to the technical scheme described in previous embodiment, either to which part or all technical characteristic
Carry out equivalent substitution;And these modifications or replacement, the essence of appropriate technical solution is departed from the utility model embodiment
The scope of technical scheme.