CN207547573U - Die casting and die casting equipment - Google Patents
Die casting and die casting equipment Download PDFInfo
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- CN207547573U CN207547573U CN201721276564.3U CN201721276564U CN207547573U CN 207547573 U CN207547573 U CN 207547573U CN 201721276564 U CN201721276564 U CN 201721276564U CN 207547573 U CN207547573 U CN 207547573U
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Abstract
The utility model provides a kind of die casting and die casting equipment.The die casting, the case of transmission of outer mounting structure is carried for die casting, including die casting cover half and die casting dynamic model, the first forming surface being recessed inwardly relative to the die joint of die casting dynamic model is provided on die casting dynamic model, the second forming surface corresponding with the first forming surface is provided on die casting cover half, the first forming surface is formed with the second forming surface into die cavity；It is provided with blank body on die casting dynamic model, blank body is set to the first sliding block, the opposite side of the second sliding block and side residing for third sliding block, and blank body is used for the edge of backstop casting, prevents casting from being deformed due to unbalance stress.
Description
Technical field
The utility model is related to the technical field of mold, more particularly, to a kind of die casting and die casting equipment.
Background technology
Die casting is a kind of metal casting technique, its main feature is that using high pressure by raw metal high-speed filling mold cavity, and
It solidifies under the effect of the pressure.
Case of transmission is the shell structure for installing gearing actuator and its attachment, the side of generally use die casting
It is prepared by formula.The semi-finished product obtained after die casting need to process the threaded hole for installation fitting in its outer suspension part.
But it is had the following problems by the case of transmission that existing die casting is produced：Cast-internal can exist
Many small gaps and shrinkage cavity, after the hole processing of casting, the threaded hole of exocoel passes through seam small in casting in casting
Gap and shrinkage cavity communicate, and so as to which case of transmission be caused to be easy to cracking when in use, may result in danger.
Utility model content
The purpose of this utility model is to provide a kind of die casting and die casting equipment, to alleviate die casting in the prior art
The outer suspension position of the case of transmission formed has the technical issues of many gaps and shrinkage cavity.
A kind of die casting provided by the utility model carries the case of transmission of outer mounting structure for die casting, including
Die casting cover half and die casting dynamic model are provided with to be recessed inwardly relative to the die joint of the die casting dynamic model on the die casting dynamic model
One forming surface is provided with the second forming surface corresponding with first forming surface, first forming surface on the die casting cover half
It is formed with the second forming surface into die cavity；
It is provided with sprue on the die casting cover half, the flow direction of raw metal is perpendicular to the pressure in the sprue
Cast the die joint of cover half；The a plurality of branch flow channel connected with the sprue, at least one are provided on the die casting cover half
The discharge port of branch flow channel is located at the forming area for forming outer suspension position, so that raw metal can directly fill outer suspension part
The forming area of position；
The first sliding block for being used to form the outer suspension position, the second sliding block and third cunning are provided on the die casting dynamic model
Block, and the third sliding block be located at through second sliding block and in casting it is described into die cavity；
Blank body is provided on the die casting dynamic model, the blank body is set to first sliding block, the second sliding block
With third sliding block residing for the opposite side in side, the blank body is used for the edge of casting described in backstop, prevent casting due to
Unbalance stress and deform.
Preferably, the blank body includes stop block and driving mechanism, and the driving mechanism is used to drive the backstop
Block stretches into or retracts described into die cavity；
The one side of the stop block towards the die casting dynamic model is close to the die joint of the die casting dynamic model, for molding
During casting described in backstop edge, prevent casting from deforming due to unbalance stress.
Preferably, the quantity of the blank body is multiple.
Preferably, the quantity of the branch flow channel is n items, and n is the integer more than or equal to 3, and positioned at the outer suspension of formation
The quantity of the branch flow channel of the forming area of position is more than n/2 items.
Preferably, the circulating direction of the sprue of the die casting cover half is vertical with the circulating direction of branch flow channel, so that institute
State die casting raw material in the horizontal direction enter sprue after, be gradually pressed into die cavity by branch flow channel from bottom to top.
Preferably, the side opposite with the interior feed inlet of the branch flow channel is provided with multiple cinder ladles, and the one of the cinder ladle
Side is connected with described into die cavity, and opposite side is linked with exhaust gear.
Preferably, the exhaust gear includes the first briquetting and the second briquetting, and first briquetting is located at the die casting and moves
On mould, second briquetting is located on the die casting cover half；Along the length direction of first briquetting, first briquetting it is upper
Surface is provided with strip projected parts, and groove corresponding with the strip projected parts, first briquetting are provided on second briquetting
There are gaps, the gap after being fastened with the second briquetting, between the strip projected parts and groove to form exhaust passage；
Along the width direction of the strip projected parts, the upper surface of the strip projected parts is provided with curved portion, the curved portion
Bending direction deviate from first briquetting upper surface, for increasing the area of the exhaust passage；
Along the length direction of the strip projected parts, multiple flow-disturbing slots, the groove are arranged at intervals on the strip projected parts
On be arranged at intervals with multiple corresponding with flow-disturbing slot flow-disturbings protrusions, the flow-disturbing slot is with flow-disturbing protrusion for increasing aluminium alloy
Stroke in exhaust passage increases the aluminium alloy resistance of motion, reduces the kinetic energy of aluminium alloy.
Preferably, first briquetting includes demoulding hole, being provided with demoulding bar in the demoulding hole, the demoulding bar is used for
Cured casting feedstock is jacked up；
First briquetting includes ejecting mechanism, for the demoulding bar to be released the demoulding hole and for accommodating
The accommodating chamber of the ejecting mechanism, the accommodating chamber are connected with the demoulding hole；
The ejecting mechanism includes release link, push plate, spring and center-pole, and the release link and demoulding bar are fixed on described
The front of push plate, the both ends of the spring are connected to the back side of the push plate and the bottom surface of the accommodating chamber, and the spring is used
In pushing the push plate, so that the demoulding bar stretches out the demoulding hole；The center-pole is fixed in the accommodating chamber, and is hung down
Directly through the push plate, so that the push plate is slided along the center-pole；
First briquetting includes reset hole, and the reset hole is located at the both sides of the exhaust passage, and the release link is used
When first briquetting and the second briquetting compression, the push plate is pushed inwardly to move, so that described in demoulding bar retraction
In demoulding hole.
Preferably, the first jet channel is provided in the demoulding bar, for being connected with air source；First jet channel
The first gas outlet be located at the side wall of the demoulding bar, and the opening of first gas outlet is inclined to the push plate direction
Tiltedly；
Stomata corresponding with first gas outlet, the opening direction of the stomata are provided on the inner wall in the demoulding hole
Towards first gas outlet, so that the gas sprayed in first gas outlet is entered in the stomata, for described will take off
Film bar ejects the demoulding hole；
The demoulding bar includes bar portion and cap body, and the bar portion is raised to the cap body side towards one end of cap body
First circular conical surface, cap body deviate from the second circular conical surface of bar portion direction protrusion towards one end of the bar portion, and described for court
There are gaps between bar portion and cap body；Air guide port is provided on first circular conical surface of the bar portion, so that gas is from described first
Gap between circular conical surface and the second circular conical surface is blown out to surrounding.
Die casting equipment provided by the utility model, including above-mentioned die casting, the die casting cover half includes anti-deformation machine
Structure and cover half main body, the anti-distortion mechanism include mandril, push back bar and linkage board, and the bar that pushes back is vertically installed in mandril
The linkage board is provided with first through hole and second logical towards the forming surface side of the cover half main body in the cover half main body
Hole, the opening of the first through hole is in the forming surface of the cover half main body, and the opening of second through-hole is positioned at described fixed
On the die joint of mould main body, the first through hole is for passing through the mandril, and second through-hole is for making described to push back bar
It passes through；
The anti-distortion mechanism includes driving structure, and the driving structure is used to drive the linkage board to the cover half master
The forming surface direction movement of body, so that the mandril stretches out the forming surface of the cover half main body；
The die joint for pushing back bar and dynamic model main body being resisted in molding, for driving the linkage board towards far from described fixed
The forming surface side movement of mould main body, so that the mandril is retracted in the cover half main body.
Die casting provided by the utility model carries the case of transmission of outer mounting structure for die casting, including die casting
Cover half and die casting dynamic model are provided with the first one-tenth to be recessed inwardly relative to the die joint of the die casting dynamic model on the die casting dynamic model
Type face is provided with the second forming surface corresponding with first forming surface, die casting dynamic model and die casting dynamic model on the die casting cover half
After molding, first forming surface can form into die cavity with the second forming surface.Sprue is provided on the die casting cover half, institute
Die joint of the flow direction perpendicular to the die casting cover half of raw metal in sprue is stated, is provided on the die casting cover half more
The branch flow channel that item is connected with the sprue, the discharge port of at least one branch flow channel, which is located at, is used to form outer suspension position
Forming area, raw metal, in order to which the structure that can make outer suspension position more optimizes, can allow gold after discharge port entrance
Belong to the forming area that raw material is first filled with being used to form outer suspension position, because the raw metal of filling part bit stream warp is more,
Its internal soundness is better, and stomata is fewer.Be provided on the die casting dynamic model be used to form it is described it is outer suspension position the first sliding block,
Second sliding block and third sliding block, and the third sliding block be located at through second sliding block and in casting it is described into die cavity,
First sliding block, the second sliding block and third sliding block can be used for the privileged sites of mould casting by the position-limiting action of itself.It is described
Blank body is provided on die casting dynamic model, the blank body is set to first sliding block, the second sliding block and third sliding block institute
Locate the opposite side in side, the blank body is used for the edge of casting described in backstop, prevents casting from being sent out due to unbalance stress
Change shape.
Die casting equipment provided by the utility model, including above-mentioned die casting, also, the die casting cover half includes preapring for an unfavorable turn of events
Shape mechanism and cover half main body, the anti-distortion mechanism include mandril, push back bar and linkage board, described to push back that bar is vertical with mandril to be set
The linkage board is placed in towards the forming surface side of the cover half main body.Be provided in cover half main body for pass through mandril
One through-hole and for across the second through-hole for pushing back bar, the opening of the first through hole is positioned at the molding of the cover half main body
On face, the opening of second through-hole is on the die joint of the cover half main body.The anti-distortion mechanism includes driving structure,
The forming surface direction that the driving structure is used to drive the linkage board to the cover half main body moves, so as to drive mandril
The forming surface of the cover half main body is stretched out, the mandril for stretching out forming surface resists the surface of casting, and casting is to cover half when confrontation molds
The enclasping force of generation, so as to prevent casting from deforming.Blank body is provided on the die casting dynamic model, the blank body is set
First sliding block, the opposite side of the second sliding block and side residing for third sliding block are placed in, the blank body is used for backstop institute
The edge of casting is stated, prevents casting from deforming due to unbalance stress.In molding, push back bar and resist dynamic model master in molding
The die joint of body so as to which linkage board be pushed to be moved towards the forming surface side far from the cover half main body, can make the mandril contract
It returns in the cover half main body, is ready for die sinking next time.Die casting equipment provided by the utility model can have in die sinking
Effect inhibition product deformation, so as to get product surface flatness it is more preferable.
Description of the drawings
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution of the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be the utility model some embodiments, for those of ordinary skill in the art, do not paying creativeness
Under the premise of labour, other attached drawings are can also be obtained according to these attached drawings.
Fig. 1 is the schematic diagram of case of transmission that the die casting that the utility model embodiment provides is processed；
Fig. 2 is the schematic diagram of the die casting cover half of die casting that the utility model embodiment provides；
Fig. 3 is the schematic diagram of the die casting dynamic model of die casting that the utility model embodiment provides；
Fig. 4 is the schematic diagram of the first pressure of the exhaust structure of die casting that the utility model embodiment provides；
Fig. 5 is the sectional view of the first pressure of the exhaust structure of die casting that the utility model embodiment provides；
Fig. 6 is the partial enlarged view of location A in Fig. 5；
Fig. 7 is the sectional view of the anti-distortion mechanism of die casting equipment that the utility model embodiment provides.
Icon：Position is suspended outside 110-；120- oil sealing holes；210- branch flow channels；The first forming surfaces of 300-；410- first is slided
Block；The second sliding blocks of 420-；430- third sliding blocks；500- stop blocks；The first briquettings of 600-；610- strip projected parts；620- demoulding bars；
621- cap bodies；622- air guide ports；630- release links；631- stop configurations；632- backstop slots；The second jet channels of 633-；640-
Push plate；The first gas outlets of 650-；710- mandrils；720- pushes back bar；730- linkage boards.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model part of the embodiment, instead of all the embodiments.Based on the embodiment in the utility model, sheet
Field those of ordinary skill all other embodiments obtained without making creative work, belong to this practicality
Novel protected range.
In the description of the present invention, it should be noted that such as occur term " " center ", " on ", " under ", " left side ",
" right side ", " vertical ", " level ", " interior ", " outer " etc., the orientation or position relationship of instruction are based on orientation shown in the drawings or position
Relationship is put, be for only for ease of description the utility model and simplifies description rather than instruction or implies signified device or element
There must be specific orientation, with specific azimuth configuration and operation, therefore it is not intended that limitation to the utility model.This
Outside, such as there is term " first ", " second ", " third " are only used for description purpose, and it is not intended that instruction or implying relatively heavy
The property wanted.
As shown in Figs. 1-3, die casting provided by the utility model carries the transmission case of outer mounting structure for die casting
Body including die casting cover half and die casting dynamic model, is provided with inward-facing relative to the parting of the die casting dynamic model on the die casting dynamic model
First forming surface 300 of recess, be provided on the die casting cover half with 300 corresponding second forming surface of the first forming surface,
After die casting cover half and the molding of die casting dynamic model, 300 and second forming surface of the first forming surface can form into die cavity.The die casting
Be provided with sprue on cover half, in the sprue flow direction of raw metal perpendicular to the die casting cover half die joint,
It is provided with a plurality of branch flow channel 210 connected with the sprue on the die casting cover half, at least branch flow channel 210
Discharge port is located at the forming area for being used to form outer suspension position 110, and raw metal is outer in order to make after discharge port entrance
The structure at suspension position 110 more optimizes, and raw metal can be allowed to be first filled with being used to form the molding at outer suspension position 110
Region, because the raw metal of filling part bit stream warp is more, internal soundness is better, and stomata is fewer.It is set on the die casting dynamic model
It is equipped with the first sliding block 410, the second sliding block 420 and the third sliding block 430 for being used to form the outer suspension position 110, and described the
Three sliding blocks 430 are located at described into die cavity, the first sliding block 410, second cunning through second sliding block 420 and when carrying out casting
Block 420 and third sliding block 430 can be used for the privileged sites of mould casting by the position-limiting action of itself.The die casting dynamic model
On be provided with blank body, the blank body is set to first sliding block, the second sliding block and side phase residing for third sliding block
To side, the blank body be used for casting described in backstop edge, prevent casting from deforming due to unbalance stress.
With first sliding block 410, the second sliding block 420 and third sliding block 430 residing for the opposite side in side be provided with pressure
Side mechanism, because casting moulding die outwardly protrudes, in die sinking, casting can generate cover half enclasping force, and because first
Side plays the role of casting limitation wherein for sliding block 410, the second sliding block 420 and third sliding block 430, and opposite side is such as
Fruit does not have corresponding limiting structure, and directly die sinking can cause cast(ing) surface to deform.Specifically, the blank body can be included only
Block 500 and driving mechanism, driving mechanism can be cylinder either hydraulic cylinder or hand push rod, and the driving mechanism is used to drive
The dynamic stop block 500 stretches into or retracts described into die cavity.One side and institute of the stop block 500 towards the die casting dynamic model
The die joint for stating die casting dynamic model is close to, and stop block 500 has just been stretched into die cavity when molding, after casting molding, casting
Edge is placed exactly in the side of stop block 500, thus during die sinking casting described in backstop edge, prevent casting due to
Unbalance stress and deform.
Further, the quantity of the blank body is multiple, so as to uniformly share only to the backstop power of casting, is prevented
Local deformation.
Preferably, the quantity of the branch flow channel 210 can be n items, and n is the integer more than or equal to 3, and outer positioned at being formed
The quantity for suspending the branch flow channel 210 of the forming area at position 110 can be n/2 items, for example, the quantity of branch flow channel is 7,
Quantity positioned at the branch flow channel 210 for the forming area for forming outer suspension position 110 can be 4.Because case of transmission knot
The particularity of structure, the filling direction of the design of the product traditional moulds of this class formation be cast shape shown in Fig. 1 from left to right,
It is outer to suspend the defects of position 110 easily generates shrinkage cavity and stomata but since the wall thickness variation of this product is larger, so by feed inlet
Directly alignment forms the region at outer suspension position 110, and raw metal is allowed to first flow through this region, flows the gold by this region
Category raw material is more, and the effect of position discharge gas is better, and internal soundness after molding also can be better.
The circulating direction of the sprue of die casting cover half is vertical with the circulating direction of branch flow channel, can make the die casting raw material
After entering sprue in the horizontal direction, rapidly entered into die cavity by branch flow channel from bottom to top.Traditional mold be all from
Left-to-right carries out the filling of raw metal, and the oil sealing hole 120 of case of transmission is far from feed inlet, the gold flowed out from feed inlet
The region to form oil sealing hole 120 will be can be only achieved by longer distance by belonging to solution, and distance is longer, the heat of raw metal loss
Amount is more, and temperature is lower, and the forming ability for causing aluminium alloy is lower, and shrinkage cavity and stomata or even cold easily occurs in the product that die casting goes out
Every.So filling of the utility model using from bottom to top progress raw metal, in this way, the filling stroke of reduction,
Temperature reduces that amplitude is small, and raw metal also has good filling capacity during end-of-fill when raw metal is filled.Oil sealing hole 120
In the middle-end of entire filling process, it can effectively ensure the internal soundness at oil sealing hole 120.
The side opposite with the interior feed inlet of the branch flow channel 210 is provided with multiple cinder ladles, the side of the cinder ladle with
Described to be connected into die cavity, opposite side is linked with exhaust gear.
As shown in figure 4, specifically, the exhaust gear includes the first briquetting 600 and the second briquetting, first briquetting
600 are located on the die casting dynamic model, and second briquetting is located on the die casting cover half；Along the length of first briquetting 600
Direction, the upper surface of first briquetting 600 are provided with strip projected parts 610, are provided on second briquetting and the strip
Raised 610 corresponding grooves, after the first briquetting 600 and the second briquetting snap together, the strip projected parts 610 and groove it
Between there are gap, the gap forms exhaust passage.The edge of the cross section of the strip projected parts 610 includes curved portion, described
The bending direction of curved portion deviates from the exhaust block of the upper surface, compared with the prior art middle washboard-type of first briquetting 600, because
Include curved portion for the protrusion in the application, so the effective width of exhaust passage increases, thus big not changing exhaust block
In the case of small, the flow of exhaust is increased, the excessive mould power that rises will not be generated, the installation and use of mold will not be caused to appoint
What is influenced.Along the length direction of the strip projected parts 610, multiple flow-disturbing slots are arranged at intervals on the strip projected parts 610, it is described
Multiple flow-disturbing protrusions corresponding with the flow-disturbing slot are arranged at intervals on groove, when gas is by flow-disturbing slot and flow-disturbing protrusion place
During position, the motion path of gas can change, so as to reduce the speed of gas motion, so as to prevent casting feedstock from flying
It splashes.
Preferably, it after die sinking, needs to clear up the aluminium flake being solidificated on the first briquetting 600, but because aluminium flake is tight
It is attached on the first briquetting 600, it is not easy to peel off.First briquetting 600 includes demoulding hole, demoulding being provided in the demoulding hole
Bar 620, the demoulding bar 620 are used to jack up cured casting feedstock.
Demoulding hole can be through-hole, across the aluminium film top that can will be covered on the first briquetting 600 of demoulding bar 620 of through-hole
Go out.When casting, through-hole gas leakage in order to prevent influences exhaust block exhaust, needs to be blocked in through-hole with demoulding bar 620.It is excellent
Selection of land, demoulding hole are threadedly coupled with demoulding bar 620, the leakproofness both so as to increase, by screwing in or revolving threaded rod
Go out to complete to head into or eject demoulding hole, increase the integrality of structure.
As seen in figs. 5-6, it is preferable that first briquetting 600 can include ejecting mechanism, for by the demoulding bar
620 release the demoulding hole and the accommodating chamber for accommodating the ejecting mechanism, and the accommodating chamber connects with the demoulding hole
It is logical.The ejecting mechanism can include release link 630, push plate 640, spring and center-pole, release link 630 and demoulding bar 620
Quantity is multiple, and the release link 630 and demoulding bar 620 are fixed on the front of the push plate 640, and demoulding bar 620 can be main
Positioned at the front end of the first briquetting 600, the both ends of the spring is respectively against the back side of the push plate 640 and the bottom of the accommodating chamber
Face, spring are in compressive state, and the spring of compression can stretch out the demoulding bar 620 described for pushing the push plate 640
Demoulding hole, so as to which aluminium flake be boosted.The center-pole is fixed in the accommodating chamber, and extends vertically through the push plate 640, can be with
The push plate 640 is made to be slided along the center-pole, anti-640 run-off the straight of thrust plate.First briquetting 600 includes reset hole,
The reset hole is located at the left and right sides of the exhaust passage, when 600 and second briquetting of the first briquetting compresses, release link
630 are pressed into reset hole, so as to which the push plate 640 be pushed inwardly to move, so as to compressed spring, can make the demoulding bar
620 retract in the demoulding holes, are ready to complete demoulding next time, the stretching of demoulding bar 620 and retract all be it is completely automatic,
It is different from and in the prior art ejects aluminium film by artificial mode, the more efficient of cleaning can be made.
Need what is illustrated, in order to clearly check the structure of demoulding bar 620 and demoulding hole, demoulding bar 620 and demoulding hole
Between be close to there are certain gap, and both in practice.
Further, can be provided with the first jet channel in the demoulding bar 620, the air inlet of the first jet channel with
Air source connects, and the first gas outlet 650 of first jet channel is located on the side wall on the top of the demoulding bar 620, when de-
After film bar 620 ejects demoulding hole, can jet be carried out with sideways stomata, because interaction force can push up demoulding bar 620
Go out demoulding hole, so as to which aluminium slag be blown off the first briquetting 600.The opening of first gas outlet 650 is to the 640 place side of push plate
It is simple to be not enough to push away aluminium flake by the elastic force of spring when the binding force of aluminium flake and the first briquetting 600 is too big to inclination
Go out, because of gas jet into stomata, demoulding bar 620 can be ejected demoulding hole, further push aluminium flake.When the first outlet
After mouth 650 is departing from demoulding hole, jet can be carried out to the surface of the first briquetting 600, the metal on 600 surface of the first briquetting is broken
Slag blows winged, prevents disintegrating slag accumulated plugging exhaust passage, so the structure can not only clear up aluminium slag, can also promote motive force,
Aluminium film is made to be detached from 600 surface of the first briquetting, is killed two birds with one stone.
The demoulding bar 620 can include bar portion and cap body 621, the bar portion towards one end of cap body 621 be to described
First circular conical surface of 621 side of cap body protrusion, cap body 621 are raised towards the bar portion direction is deviated from towards one end of the bar portion
The second circular conical surface, and there are gaps between the bar portion and cap body 621, can be fixedly connected by connecting rod therebetween,
Air guide port 622 is provided on first circular conical surface of the bar portion, gas enters the first circular conical surface after the ejection of air guide port 622
In the annular air structure formed with the second circular conical surface, gas can be made between first circular conical surface and the second circular conical surface
Gap is blown out to surrounding, and at this moment, gas is blown away towards surrounding, can increase the area of the covering of blowout, so as to increase the effect of cleaning
Fruit.
The end of the release link 630 can be provided with stop configurations 631, and the release link 630 is to the stop configurations
631 projection is fallen in the stop configurations 631, that is to say, that when stop configurations 631 are cylindrical, stop configurations 631
Diameter is more than the diameter of release link 630.The aperture position of the reset hole is provided with and the 631 corresponding backstop of stop configurations
Slot 632, for preventing the opening of reset hole described in the end retraction of the release link 630 hereinafter, by limiting release link 630
Movement, can prevent in 630 excessive the first briquetting of retraction 600 of release link.Because release link 630, push plate 640 and demoulding bar 620
Three has identical motion state, once so the end of release link 630 is stained with some sludges, when the second briquetting pushes
When cause, release link 630 will will cause demoulding bar 620 also in excessive retraction demoulding hole, so indirectly in excessive retraction reset hole
Molten aluminum will be flowed into demoulding hole, and larger extruding force is generated with the inner wall in demoulding hole after molten aluminum solidification, will block demoulding bar
620, influence the smooth pop-up of demoulding bar 620, so by limiting release link 630, can make the upper surface of demoulding bar 620 with
The flush of first briquetting 600.
The second jet channel 633 can be provided in the release link 630, second jet channel 633 includes second
Gas outlet, second gas outlet is located at the stop configurations 631 towards the side of the push plate 640, and second outlet
The outgassing direction of mouth is vertically inclined outwardly.On the one hand, the second gas outlet sprays gas, can also increase demoulding bar 620
To the thrust of aluminium film, on the other hand, when cleaning 600 surface of the first briquetting, metal fragment may be blown into only
In retaining groove 632, when stop configurations 631 enter backstop slot 632, the two surface will be unable to be bonded completely, so needing to only
Retaining groove 632 is cleared up, and the effect of the second puff prot is exactly that the impurity in backstop slot 632 blows off.Meanwhile second puff prot
The face combined on first briquetting 600 with the second briquetting can also be cleaned out, preventing the composition surface of the two can not be bonded completely,
There is the problem of poorly sealed, influence the flowing of gas in exhaust block.
As shown in fig. 7, die casting equipment provided by the utility model, including above-mentioned die casting, also, the die casting is determined
Mould includes anti-distortion mechanism and cover half main body, and the anti-distortion mechanism includes mandril 710, pushes back bar 720 and linkage board 730, institute
It states and pushes back bar 720 and mandril 710 and be vertically installed in the linkage board 730 towards the forming surface side of the cover half main body.Fixed
The first through hole for passing through mandril 710 is provided in mould main body and for across the second through-hole for pushing back bar 720, it is described
The opening of first through hole is in the forming surface of the cover half main body, and the opening of second through-hole is positioned at the cover half main body
On die joint.The anti-distortion mechanism includes driving structure, and the driving structure is for driving the linkage board 730 to described fixed
The forming surface direction movement of mould main body, so as to which mandril 710 be driven to stretch out the forming surface of the cover half main body, stretches out forming surface
Mandril 710 resist the surface of casting, the enclasping force that casting generates cover half during confrontation die sinking, so as to prevent casting from becoming
Shape.In molding, the die joint that bar 720 resists dynamic model main body in molding is pushed back, so as to push linkage board 730 towards far from described
The forming surface side movement of cover half main body, can make the mandril 710 retract in the cover half main body, be carried out for die sinking next time
Prepare.Die casting equipment provided by the utility model can effectively inhibit the deformation of product in die sinking, so as to get product table
Surface evenness is more preferable.
Finally it should be noted that：The above various embodiments is only to illustrate the technical solution of the utility model rather than it is limited
System；Although the utility model is described in detail with reference to foregoing embodiments, those of ordinary skill in the art should
Understand：It can still modify to the technical solution recorded in foregoing embodiments either to which part or whole
Technical characteristic carries out equivalent replacement；And these modifications or replacement, this practicality that it does not separate the essence of the corresponding technical solution are new
The range of each embodiment technical solution of type.
Claims (10)
1. a kind of die casting carries the case of transmission of outer mounting structure for die casting, which is characterized in that including die casting cover half
With die casting dynamic model, the first molding being recessed inwardly relative to the die joint of the die casting dynamic model is provided on the die casting dynamic model
Face is provided with the second forming surface corresponding with first forming surface, first forming surface and second on the die casting cover half
Forming surface is formed into die cavity；
It is provided with sprue on the die casting cover half, the flow direction of raw metal is determined perpendicular to the die casting in the sprue
The die joint of mould；The a plurality of branch flow channel connected with the sprue, at least a branch are provided on the die casting cover half
The discharge port of runner is located at the forming area for forming outer suspension position, so that raw metal can directly fill outer suspension position
Forming area；
The first sliding block, the second sliding block and the third sliding block for being used to form the outer suspension position are provided on the die casting dynamic model,
And the third sliding block be located at through second sliding block and in casting it is described into die cavity；
Blank body is provided on the die casting dynamic model, the blank body is set to first sliding block, the second sliding block and
The opposite side in side residing for three sliding blocks, the blank body are used for the edge of casting described in backstop, prevent casting due to stress
It is uneven and deform.
2. die casting according to claim 1, which is characterized in that the blank body includes stop block and driving machine
Structure, the driving mechanism for drive the stop block stretch into or retract it is described into die cavity；
The one side of the stop block towards the die casting dynamic model is close to the die joint of the die casting dynamic model, in the mistake of die sinking
The edge of casting described in backstop, prevents casting from deforming due to unbalance stress in journey.
3. die casting according to claim 2, which is characterized in that the quantity of the blank body is multiple.
4. die casting according to claim 1, which is characterized in that the quantity of the branch flow channel be n items, n be more than
Integer equal to 3, and the quantity of the branch flow channel positioned at the forming area for forming outer suspension position is more than n/2 items.
5. die casting according to claim 1, which is characterized in that the circulating direction of the sprue of the die casting cover half with
The circulating direction of branch flow channel is vertical, so that after die casting raw material enters sprue in the horizontal direction, passes through branch stream from bottom to top
Road is gradually pressed into die cavity.
6. die casting according to claim 1, which is characterized in that one opposite with the interior feed inlet of the branch flow channel
Side is provided with multiple cinder ladles, and the side of the cinder ladle is connected with described into die cavity, and opposite side is linked with exhaust gear.
7. die casting according to claim 6, which is characterized in that the exhaust gear includes the first briquetting and the second pressure
Block, first briquetting are located on the die casting dynamic model, and second briquetting is located on the die casting cover half；Along the described first pressure
The length direction of block, the upper surface of first briquetting are provided with strip projected parts, are provided on second briquetting and the item
The corresponding groove of shape protrusion, first briquetting with after the second briquetting fastening, there are gap between the strip projected parts and groove,
The gap forms exhaust passage；
Along the width direction of the strip projected parts, the upper surfaces of the strip projected parts is provided with curved portion, the curved portion it is curved
Qu Fangxiang deviates from the upper surface of first briquetting, for increasing the area of the exhaust passage；
Along the length direction of the strip projected parts, be arranged at intervals with multiple flow-disturbing slots on the strip projected parts, on the groove between
Every being provided with multiple flow-disturbing protrusions corresponding with the flow-disturbing slot, the flow-disturbing slot is being arranged with flow-disturbing protrusion for increasing aluminium alloy
Stroke in gas channel increases the aluminium alloy resistance of motion, reduces the kinetic energy of aluminium alloy.
8. die casting according to claim 7, which is characterized in that first briquetting includes demoulding hole, the demoulding
Demoulding bar is provided in hole, the demoulding bar is used to jack up cured casting feedstock；
First briquetting includes ejecting mechanism, for by the demoulding bar release the demoulding hole and for accommodating it is described
The accommodating chamber of ejecting mechanism, the accommodating chamber are connected with the demoulding hole；
The ejecting mechanism includes release link, push plate, spring and center-pole, and the release link and demoulding bar are fixed on the push plate
Front, the both ends of the spring is connected to the back side of the push plate and the bottom surface of the accommodating chamber, and the spring is for pushing away
The push plate is moved, so that the demoulding bar stretches out the demoulding hole；The center-pole is fixed in the accommodating chamber, and is vertically passed through
The push plate is worn, so that the push plate is slided along the center-pole；
First briquetting includes reset hole, and the reset hole is located at the both sides of the exhaust passage, and the release link is used to work as
When first briquetting and the second briquetting compress, the push plate is pushed inwardly to move, the demoulding so that the demoulding bar is retracted
In hole.
9. die casting according to claim 8, which is characterized in that the first jet channel is provided in the demoulding bar,
For being connected with air source；First gas outlet of first jet channel is located at the side wall of the demoulding bar, and described first goes out
The opening of gas port is tilted to the push plate direction；
It is provided with stomata corresponding with first gas outlet on the inner wall in the demoulding hole, the opening direction of the stomata is towards institute
The first gas outlet is stated, so that the gas sprayed in first gas outlet is entered in the stomata, for by the demoulding bar
Eject the demoulding hole；
The demoulding bar include bar portion and cap body, the bar portion towards one end of cap body be to the cap body side protrusion first
Circular conical surface, cap body deviate from the second circular conical surface of bar portion direction protrusion, and the bar portion towards one end of the bar portion for court
There are gaps between cap body；Air guide port is provided on first circular conical surface of the bar portion, so that gas is from first circular cone
Gap between face and the second circular conical surface is blown out to surrounding.
10. a kind of die casting equipment, which is characterized in that including die casting described in any one of claim 1-9, the die casting
Cover half includes anti-distortion mechanism and cover half main body, and the anti-distortion mechanism includes mandril, pushes back bar and linkage board, described to push back bar
The linkage board is vertically installed in towards the forming surface side of the cover half main body with mandril, and is provided in the cover half main body
One through-hole and the second through-hole, the opening of the first through hole are located in the forming surface of the cover half main body, second through-hole
Opening is on the die joint of the cover half main body, and the first through hole for passing through the mandril, use by second through-hole
In making described to push back bar and pass through；
The anti-distortion mechanism includes driving structure, and the driving structure is used to drive the linkage board to the cover half main body
Forming surface direction moves, so that the mandril stretches out the forming surface of the cover half main body；
The die joint for pushing back bar and dynamic model main body being resisted in molding, for driving the linkage board towards far from the cover half master
The forming surface side movement of body, so that the mandril is retracted in the cover half main body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721276564.3U CN207547573U (en) | 2017-09-30 | 2017-09-30 | Die casting and die casting equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721276564.3U CN207547573U (en) | 2017-09-30 | 2017-09-30 | Die casting and die casting equipment |
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| CN207547573U true CN207547573U (en) | 2018-06-29 |
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| CN201721276564.3U Active CN207547573U (en) | 2017-09-30 | 2017-09-30 | Die casting and die casting equipment |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107457385A (en) * | 2017-09-30 | 2017-12-12 | 天津市发利汽车压铸件厂 | Die casting and die casting equipment |
| CN112676548A (en) * | 2020-12-18 | 2021-04-20 | 苏州广型模具有限公司 | Lightweight motor casing die casting die |
| CN113560521A (en) * | 2021-07-01 | 2021-10-29 | 深圳市鑫雅豪智能科技股份有限公司 | Aluminum alloy die-casting die with blank pressing treatment function and implementation method thereof |
-
2017
- 2017-09-30 CN CN201721276564.3U patent/CN207547573U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107457385A (en) * | 2017-09-30 | 2017-12-12 | 天津市发利汽车压铸件厂 | Die casting and die casting equipment |
| CN107457385B (en) * | 2017-09-30 | 2019-11-29 | 天津市发利汽车压铸件厂 | Die casting and die casting equipment |
| CN112676548A (en) * | 2020-12-18 | 2021-04-20 | 苏州广型模具有限公司 | Lightweight motor casing die casting die |
| CN113560521A (en) * | 2021-07-01 | 2021-10-29 | 深圳市鑫雅豪智能科技股份有限公司 | Aluminum alloy die-casting die with blank pressing treatment function and implementation method thereof |
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