CN106180631B - Automobile trailer valve mold and casting method thereof - Google Patents
Automobile trailer valve mold and casting method thereof Download PDFInfo
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- CN106180631B CN106180631B CN201610653915.1A CN201610653915A CN106180631B CN 106180631 B CN106180631 B CN 106180631B CN 201610653915 A CN201610653915 A CN 201610653915A CN 106180631 B CN106180631 B CN 106180631B
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- 238000005266 casting Methods 0.000 title claims abstract description 44
- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000004512 die casting Methods 0.000 claims abstract description 19
- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 238000013519 translation Methods 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 claims description 21
- 238000000465 moulding Methods 0.000 claims description 20
- 239000002184 metal Substances 0.000 claims description 16
- 230000007704 transition Effects 0.000 claims description 11
- 238000001125 extrusion Methods 0.000 claims description 9
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 238000005452 bending Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 4
- 239000007921 spray Substances 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- 238000005119 centrifugation Methods 0.000 claims 1
- 238000007493 shaping process Methods 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
- 239000003643 water by type Substances 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000012797 qualification Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/22—Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
- B22D17/229—Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies with exchangeable die part
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/22—Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
- B22D17/2272—Sprue channels
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The utility model provides an automobile trailer valve mould, includes movable mould and cover half, the movable mould is located the place ahead of cover half, the rear side of movable mould with form the mould die cavity between the front side of cover half, the front side and the movable mould shell fixed connection of movable mould, the rear side and the cover half shell fixed connection of cover half, the movable mould shell is connected with the translation mechanism of the die casting machine of back-and-forth movement, the mould still includes core, lower core, left core, right core, waters and inserts, sprue bush and lower runner structure, the upper end of core with the lower extreme of core offsets down, it is located to water to insert the place ahead of core down and install on the cover half, the sprue bush is located the place ahead of lower runner structure is installed on the movable mould shell, the lower runner structure is installed on the core down. The invention also discloses a casting method of the automobile trailer valve mold, which is convenient to maintain and has higher product percent of pass.
Description
Technical field
The invention belongs to metal material plastic forming technology field, and in particular to a kind of auto trailer valve mould and its casting
Method.
Background technology
The essence of compression casting is under high pressure effect, liquid or semi-liquid metal is filled die-casting die with higher speed
(die casting) die cavity, and the method for being molded under stress and solidifying and obtaining casting；Trailer valve body is brake system of car
Core component, the whether qualified security performance that directly decide automobile of its quality.The production of existing auto trailer valve body
Mould is generally integral, it is impossible to is decomposed so that maintenance and replacing have certain difficulty, if while forming part mistake
During effect, whole set of die will scrap；Simultaneously it is relatively low not to there is manufacture complexity, product qualification rate in existing auto trailer valve mould
Foot.So that mould frequently repairs a die during use, and die-casting technological parameter is repeatedly adjusted, had a strong impact on the mold use longevity
Life.
The content of the invention
In order to overcome the shortcomings of that existing auto trailer valve mould is relatively low in the presence of manufacture complexity, product qualification rate, the present invention carries
For a kind of auto trailer valve mould simple in construction, easily manufactured, product qualification rate is higher and its casting method.
The technical solution adopted for the present invention to solve the technical problems is：
A kind of auto trailer valve mould, including dynamic model and cover half, the dynamic model are located at the front of the cover half, the dynamic model
Rear side and the cover half front side between form mold cavity, the front side of the dynamic model is fixedly connected with dynamic model shell, described fixed
The rear side of mould is fixedly connected with cover half shell, and the dynamic model shell is connected with the translation mechanism of movable die casting machine, the mould
Also include upper core, lower core, levorotation core, right core, running channel insert, sprue bush and down sprue structure, the lower core it is upper
The lower end with the upper core is held to offset, the running channel insert is located at the front of the lower core and on cover half shell, institute
State sprue bush and be located at the front of the down sprue structure and on dynamic model shell, the down sprue structure is arranged on the mo(u)ld bottom half
On core；
Auto trailer valve includes the hollow valve body of up/down perforation, and the left side of the hollow valve body is sequentially provided with from top to bottom
One left passage, the second left passage and the 3rd left passage, the left rear side of the hollow valve body are provided with the 4th left passage, the four-way
Road is located at the lower section of the 3rd left passage, and the right side of the hollow valve body is sequentially provided with the first right passage and second from top to bottom
Right passage；
The levorotation core includes the first levorotation core, the second levorotation core, the 3rd levorotation core, the 4th levorotation core, the right core
Including the first right core and the second right core；
The middle part of the rear side of the dynamic model is vertically provided with the first upper core groove and first time core groove, first time core
Groove is located at the lower section of the first upper core groove, and the middle part of the front side of the cover half is provided with the second upper core groove and second time core
Groove, second time core groove are located at the lower section of the second upper core groove；The first upper core groove and second mo(u)ld top half
Core groove fastens to form the mo(u)ld top half core cavity for installing upper core, and first time core groove fastens shape with second time core groove
Into to install the lower mandrel cavity of lower core, gap and the mo(u)ld top half core cavity between the lower mandrel cavity and lower core with it is described
The gap that upper core is formed is collectively forming the hollow valve body die cavity to hollow valve body moulding by casting；
The levorotation core is arranged on the left side of the hollow valve body die cavity by left location-plate, and the right core is fixed by the right side
Position plate is arranged on the right side of the hollow valve body die cavity；
The left side of the first upper core groove is provided with the first front left channel groove, the second front left channel groove, the 3rd from top to bottom
Front left channel groove, the right side of the first upper core groove are provided with the first front right channel groove, set on the left of first time core groove
There is the 4th front left channel groove, the right side of first time core groove is provided with the second front right channel groove；The second upper core groove
Left side is provided with the first left rear channels groove, the second left rear channels groove, the 3rd left rear channels groove, the second upper core groove from top to bottom
Right side be provided with channel slot behind first right side, the left side of second time core groove is provided with the 4th left rear channels groove, under described second
The right side of core groove is provided with channel slot behind second right side；
The left part of the rear side of the dynamic model is transversely provided with the first left front core groove, the second left front core groove, successively from top to bottom
Three left front core grooves and the 4th left front core groove, the right part of the rear side of the dynamic model are sequentially provided with core groove and before first right side from top to bottom
Core groove before two right sides；The first left front core groove connects with the first front left channel groove, the second left front core groove and described the
Two front left channel grooves connect, and the 3rd left front core groove connects with the 3rd front left channel groove, the 4th left front core groove and
The 4th front left channel groove connects, and core groove connects with the first front right channel groove before first right side, before second right side
Core groove connects with the second front right channel groove；
The left part of the front side of the cover half is sequentially provided with the first left back core groove, the second left back core groove, the 3rd left side from top to bottom
Core groove and the 4th left back core groove afterwards, the right part of the front side of the cover half are sequentially provided with core groove and second right side behind first right side from top to bottom
Core groove afterwards；The first left back core groove connects with the first left rear channels groove, and the second left back core groove is left with described second
Channel slot connects afterwards, and the 3rd left back core groove connects with the 3rd left rear channels groove, the 4th left back core groove with it is described
4th left rear channels groove connects, and core groove connects with channel slot behind first right side behind first right side, core groove behind second right side
Connected with channel slot behind second right side；
The first front left channel groove fastens to be formed to the first left passage moulding by casting with the first left rear channels groove
The first left passage die cavity, the second front left channel groove and the second left rear channels groove fasten to be formed to the second left passage
Second left passage die cavity of moulding by casting, the 3rd front left channel groove and the described 3rd left back core channel slot fasten to be formed to
3rd left passage die cavity of the 3rd left passage moulding by casting, the 4th front left channel groove are buckled with the described 4th left back core channel slot
The 4th left passage die cavity formed to the 4th left passage moulding by casting is closed, behind the first front right channel groove and first right side
Channel slot fastens the first right passage die cavity to be formed to the first right passage moulding by casting, the second front right channel groove with it is described
Channel slot fastens the second right passage die cavity to be formed to the second right passage moulding by casting behind second right side；
The first left front core groove fastens to form install the first levorotation core first left side with the described first left back core groove
Mandrel cavity, the second left front core groove fasten the second levorotation core to form the second levorotation core of installation with the described second left back core groove
Chamber, the 3rd left front core groove fasten the 3rd levorotation core to form installing the 3rd levorotation core with the described 3rd left back core groove
Chamber, the 4th left front core groove fasten the 4th levorotation core to form installing the 4th levorotation core with the described 4th left back core groove
Chamber, core groove fastens the first right mandrel cavity to be formed to the first right core, institute with core groove behind first right side before first right side
Core groove fastens the second right mandrel cavity to be formed to the second right core with core groove behind second right side before stating second right side；
The first levorotation core sequentially passes through the first levorotation core cavity from left to right, the first left passage die cavity is contradicted on described
The top of core, the second levorotation core sequentially passes through the second levorotation core cavity from left to right, the second left passage die cavity is contradicted in institute
The middle part of upper core is stated, the 3rd levorotation core sequentially passes through the 3rd levorotation core cavity from left to right, the 3rd left passage die cavity contradicts
In the bottom of the upper core, the 4th levorotation core sequentially passes through the 4th levorotation core cavity, the 4th left passage die cavity from left to right
Contradict on the lower core；The first right core right-to-left sequentially passes through the first right mandrel cavity, the first right passage die cavity
Contact in the upper core, the second right core right-to-left sequentially passes through the second right mandrel cavity, the second right passage die cavity
Contact on the lower core；
Gap, the second left passage die cavity and the second levorotation core shape that the first left passage die cavity and the first levorotation core are formed
Into gap, the 3rd left passage die cavity and the 3rd levorotation core formed gap, the 4th left passage die cavity and the 4th core formation
Between gap, the second right passage die cavity and the second right core that gap, the first right passage die cavity and the first right core are formed are formed
Gap is collectively forming the mold cavity with the hollow valve body die cavity simultaneously；
Left side overflow launder, right side overflow launder and the second upside overflow launder, the dynamic model are additionally provided with the front side of the cover half
Rear side on be additionally provided with the first upside overflow launder；
Right-hand member, the right-hand member of the second left back core groove, the right-hand member of the 3rd left back core groove and the 4th left side for the first left back core groove
The right-hand member of core groove is equipped with left side overflow launder, left side overflow launder and the described 3rd left back core groove of the 4th left back core groove afterwards
Left side overflow launder connection, the left side overflow launder of the 3rd left back core groove connect with the left side overflow launder of the described second left back core groove
Logical, the left side overflow launder of the second left back core groove connects with the left side overflow launder of the described first left back core groove, and described first is left
The end of the left side overflow launder of core groove connects with the first left side air discharge duct afterwards；
The left end of core groove is equipped with right side overflow launder behind the left end of core groove and second right side behind first right side, and described second is right
The right side overflow launder of core groove connects with the right side overflow launder of core groove behind first right side afterwards, the right side overflow launder of core groove behind first right side
End connected with the first right side exhaust groove；
The top of the second upper core groove is provided with second upside overflow launder, second upside overflow launder and second
Right side exhaust groove connects, and the top of the first upper core groove is provided with first upside overflow launder, first upside overflow
Groove connects with the second left side air discharge duct.
Further, it is horizontal to include material handle, the sprue arranged vertically up and down, circular cross-runner and transition for the down sprue structure
Running channel, the sprue are located at the rear of the material handle, and the upper end of the material handle is connected with the lower end of the sprue, described straight
The upper end of running channel is connected with the front side of the circular cross-runner, and the rear side of the circular cross-runner is provided with running channel breach, the mistake
Cross cross gate and be provided with two or more, more than two cross gates are distributed on one week of the circular cross-runner；
The circular cross-runner is located in the lower mandrel cavity, and the lower core pours through the annular is horizontal from bottom to top
Road, the upper end of the insert that detours are provided with insert breach, and the insert that detours is located at the rear of the material handle, the material handle and institute
State sprue junction to abut against on the insert breach, the lower end of the dynamic model is provided with dynamic model breach, after the sprue bush
End is sleeved on outside material handle through dynamic model breach from front to back.
Further, the transition cross gate is provided with six.
Further, first left side air discharge duct, the first right side exhaust groove, the second left side air discharge duct and the second right side are arranged
Air drain is the air discharge duct of bending.
Further, the cross section of the sprue is trapezoidal.
A kind of casting method with auto trailer valve mould, the casting method comprise the following steps：
1) matched moulds cast sections：Cover half shell is fixed, and then installation upper core, lower core, left location-plate, levorotation core, the right side are fixed
Position plate, right core, running channel insert, sprue bush, the translation mechanism of die casting machine drives the motion of dynamic model shell, so that dynamic model is matched somebody with somebody with cover half
The mold cavity for being formed and being used for casting auto trailer valve is closed, in the presence of die casting machine extrusion head, molten metal is passed through into sprue bush
Mold cavity is squeezed into, molten metal flows on sprue from material handle and enters circular cross-runner；Produced in the presence of injection pressure
Centrifugal action, molten metal is pushed to the outer wall of circular cross-runner, and passes through six transition cross gates, flow into each type successively
Chamber, until being completely filled with；After filling finishes, unnecessary molten metal and gaseous impurity are overflowed by each corresponding overflow launder；
2) stage is molded：After the completion of extrusion casint, the translation mechanism of die casting machine drives dynamic model to move forward and backward by dynamic model shell,
Then by being moved while extrusion head and push rod by spray from surely middle release die cavity, auto trailer valve casting is obtained.
Further, in casting, the injection speed of die casting machine is 7m/s, and pouring temperature is 660 DEG C, and mold preheating temperature is
220℃。
Beneficial effects of the present invention are mainly manifested in：The each several part for forming mold cavity is resolved into some independent edges
Block, simplify processing technology, reduce the difficulty of Making mold processing；When the forming part failure of rapid wear, can repair at any time or more
Change, be unlikely to scrap whole set of die；Sprue uses trapezoid cross section, smoothly deviates from beneficial to sprue clout；On the side of casting
A few place's overflow launders are set at edge, accommodate the impurity such as cold dirty molten metal, gas, and improve filling, exhaust conditions.Phase between overflow launder
Connect, promote molten metal flowing smooth；Overflow launder end end offers air discharge duct, is opened in the outside of overflow launder, rises
To both can overflow, again can by gas simultaneously discharge effect, using the air discharge duct of bending, to prevent scorching hot molten metal or gas from splashing
Penetrate ejection and hurt sb.'s feelings.
Brief description of the drawings
Fig. 1 is the explosive view of auto trailer valve mould.
Fig. 2 is the structural representation of auto trailer valve mould.
Fig. 3 is the structural representation of cover half.
Fig. 4 is the structural representation after dynamic model rotation 180 degree in Fig. 1.
Fig. 5 is the schematic diagram of left location-plate.
Fig. 6 is the schematic diagram of levorotation core.
Fig. 7 is the schematic diagram of right core.
Fig. 8 is the schematic diagram of right location-plate.
Fig. 9 is the schematic diagram of down sprue structure.
Figure 10 is the structural representation of spray.
Figure 11 is the structural representation of auto trailer valve.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings.
1~Figure 11 of reference picture, a kind of auto trailer valve mould, including dynamic model 1 and cover half 5, the dynamic model is positioned at described fixed
The front of mould 5, forms mold cavity between the rear side of the dynamic model 1 and the front side of the cover half 5, the front side of the dynamic model 1 with
Dynamic model shell is fixedly connected, and the rear side of the cover half 5 is fixedly connected with cover half shell, the dynamic model shell and movable die casting machine
Translation mechanism connects, and the mould also includes upper core 4, lower core 7, levorotation core 33, right core 34, running channel insert 61, cast gate
Set 62 and down sprue structure, the upper end and the lower end of the upper core 4 of the lower core 7 offset, and the running channel insert 61 is located at
The front of the lower core 7 is simultaneously arranged on cover half shell, and the sprue bush 62 is located at the front of the down sprue structure and installation
On dynamic model shell, the down sprue structure is arranged on the lower core 7；
Auto trailer valve includes the hollow valve body of up/down perforation, and the left side of the hollow valve body is sequentially provided with from top to bottom
One left passage, the second left passage and the 3rd left passage, the left rear side of the hollow valve body are provided with the 4th left passage, the four-way
Road is located at the lower section of the 3rd left passage, and the right side of the hollow valve body is sequentially provided with the first right passage and second from top to bottom
Right passage；
The levorotation core 33 includes the first levorotation core, the second levorotation core, the 3rd levorotation core, the 4th levorotation core, the right type
Core includes the first right core and the second right core；
The middle part of the rear side of the dynamic model 1 is vertical to be provided with the first upper core groove 54 and first time core groove 51, and described first
Lower core groove 51 is located at the lower section of the first upper core groove 54, and the middle part of the front side of the cover half 5 is provided with the second upper core groove
14 and second time core groove 11, second time core groove 11 be located at the lower section of the second upper core groove 14；On described first
Core groove 54 is fastened with the second upper core groove 14 and formed to install the mo(u)ld top half core cavity of upper core, first time core groove
51 fasten with second time core groove 11 and are formed to install the lower mandrel cavity of lower core, the lower mandrel cavity and lower core it
Between the gap that is formed of gap and the mo(u)ld top half core cavity and the upper core be collectively forming in hollow valve body moulding by casting
Empty valve body die cavity；
The levorotation core 33 is arranged on the left side of the hollow valve body die cavity by left location-plate 31, and the right core 34 is logical
Cross the right side that right location-plate 32 is arranged on the hollow valve body die cavity；
The left side of the first upper core groove 54 is provided with the first front left channel groove, the second front left channel groove, the from top to bottom
Three front left channel grooves, the right side of the first upper core groove 54 are provided with the first front right channel groove, first time core groove 51
Left side is provided with the 4th front left channel groove, and the right side of first time core groove 51 is provided with the second front right channel groove；On described second
The left side of core groove 14 is provided with the first left rear channels groove, the second left rear channels groove, the 3rd left rear channels groove from top to bottom, and described the
The right side of two upper core grooves 14 is provided with channel slot behind first right side, and the left side of second time core groove 11 is provided with the 4th left rear channels
Groove, the right side of second time core groove 11 are provided with channel slot behind second right side；
The left part of the rear side of the dynamic model 1 is transversely provided with the first left front core groove, the second left front core groove, successively from top to bottom
Three left front core grooves and the 4th left front core groove, the right part of the rear side of the dynamic model are sequentially provided with core groove and before first right side from top to bottom
Core groove before two right sides；The first left front core groove connects with the first front left channel groove, the second left front core groove and described the
Two front left channel grooves connect, and the 3rd left front core groove connects with the 3rd front left channel groove, the 4th left front core groove and
The 4th front left channel groove connects, and core groove connects with the first front right channel groove before first right side, before second right side
Core groove connects with the second front right channel groove；
The left part of the front side of the cover half 5 is sequentially provided with the first left back core groove, the second left back core groove, the 3rd left side from top to bottom
Core groove and the 4th left back core groove afterwards, the right part of the front side of the cover half are sequentially provided with core groove and second right side behind first right side from top to bottom
Core groove afterwards；The first left back core groove connects with the first left rear channels groove, and the second left back core groove is left with described second
Channel slot connects afterwards, and the 3rd left back core groove connects with the 3rd left rear channels groove, the 4th left back core groove with it is described
4th left rear channels groove connects, and core groove connects with channel slot behind first right side behind first right side, core groove behind second right side
Connected with channel slot behind second right side；
The first front left channel groove fastens to be formed to the first left passage moulding by casting with the first left rear channels groove
The first left passage die cavity, the second front left channel groove and the second left rear channels groove fasten to be formed to the second left passage
Second left passage die cavity of moulding by casting, the 3rd front left channel groove and the described 3rd left back core channel slot fasten to be formed to
3rd left passage die cavity of the 3rd left passage moulding by casting, the 4th front left channel groove are buckled with the described 4th left back core channel slot
The 4th left passage die cavity formed to the 4th left passage moulding by casting is closed, behind the first front right channel groove and first right side
Channel slot fastens the first right passage die cavity to be formed to the first right passage moulding by casting, the second front right channel groove with it is described
Channel slot fastens the second right passage die cavity to be formed to the second right passage moulding by casting behind second right side；
The first left front core groove fastens to form install the first levorotation core first left side with the described first left back core groove
Mandrel cavity, the second left front core groove fasten the second levorotation core to form the second levorotation core of installation with the described second left back core groove
Chamber, the 3rd left front core groove fasten the 3rd levorotation core to form installing the 3rd levorotation core with the described 3rd left back core groove
Chamber, the 4th left front core groove fasten the 4th levorotation core to form installing the 4th levorotation core with the described 4th left back core groove
Chamber, core groove fastens the first right mandrel cavity to be formed to the first right core, institute with core groove behind first right side before first right side
Core groove fastens the second right mandrel cavity to be formed to the second right core with core groove behind second right side before stating second right side；
The first levorotation core sequentially passes through the first levorotation core cavity from left to right, the first left passage die cavity is contradicted on described
The top of core, the second levorotation core sequentially passes through the second levorotation core cavity from left to right, the second left passage die cavity is contradicted in institute
The middle part of upper core is stated, the 3rd levorotation core sequentially passes through the 3rd levorotation core cavity from left to right, the 3rd left passage die cavity contradicts
In the bottom of the upper core, the 4th levorotation core sequentially passes through the 4th levorotation core cavity, the 4th left passage die cavity from left to right
Contradict on the lower core；The first right core right-to-left sequentially passes through the first right mandrel cavity, the first right passage die cavity
Contact in the upper core, the second right core right-to-left sequentially passes through the second right mandrel cavity, the second right passage die cavity
Contact on the lower core；
Gap, the second left passage die cavity and the second levorotation core shape that the first left passage die cavity and the first levorotation core are formed
Into gap, the 3rd left passage die cavity and the 3rd levorotation core formed gap, the 4th left passage die cavity and the 4th core formation
Between gap, the second right passage die cavity and the second right core that gap, the first right passage die cavity and the first right core are formed are formed
Gap is collectively forming the mold cavity with the hollow valve body die cavity simultaneously；
Left side overflow launder 13, the upside overflow launder 15 of right side overflow launder 16 and second, institute are additionally provided with the front side of the cover half 5
State and the first upside overflow launder is additionally provided with the rear side of dynamic model 1；
Right-hand member, the right-hand member of the second left back core groove, the right-hand member of the 3rd left back core groove and the 4th left side for the first left back core groove
The right-hand member of core groove is equipped with left side overflow launder, left side overflow launder and the described 3rd left back core groove of the 4th left back core groove afterwards
Left side overflow launder connection, the left side overflow launder of the 3rd left back core groove connect with the left side overflow launder of the described second left back core groove
Logical, the left side overflow launder of the second left back core groove connects with the left side overflow launder of the described first left back core groove, and described first is left
The end of the left side overflow launder of core groove connects with the first left side air discharge duct afterwards；
The left end of core groove is equipped with right side overflow launder behind the left end of core groove and second right side behind first right side, and described second is right
The right side overflow launder of core groove connects with the right side overflow launder of core groove behind first right side afterwards, the right side overflow launder of core groove behind first right side
End connected with the first right side exhaust groove；
The top of the second upper core groove 14 is provided with second upside overflow launder, second upside overflow launder and
Two right side exhaust grooves connect, and the top of the first upper core groove is provided with first upside overflow launder, and first upside is overflow
Chute connects with the second left side air discharge duct.
Further, sprue 182, the circular cross-runner that the down sprue structure includes material handle 181, arranged vertically up and down
183 and transition cross gate 184, the sprue 182 is located at the rear of the material handle 181, the upper end of the material handle 181 with it is described
The lower end connection of sprue 182, the upper end of the sprue 182 are connected with the front side of the circular cross-runner 183, the annular
The rear side of cross gate 183 is provided with running channel breach, and the transition cross gate 184 is provided with two or more, and more than two cross gates are equal
One week in the circular cross-runner 183 of cloth；
The circular cross-runner 183 is located in the lower mandrel cavity, and the lower core is horizontal through the annular from bottom to top
Running channel 183, the upper end of the insert 61 that detours are provided with insert breach, and the insert that detours is located at the rear of the material handle 181, institute
State material handle 181 to abut against on the insert breach with the junction of sprue 182, the lower end of the dynamic model 1 lacks provided with dynamic model
Mouthful, the rear end of the sprue bush 62 is sleeved on outside material handle through dynamic model breach from front to back.
Further, the transition cross gate 184 is provided with six.
Further, first left side air discharge duct, the first right side exhaust groove, the second left side air discharge duct and the second right side are arranged
Air drain is the air discharge duct of bending.
Further, the cross section of the sprue 182 is trapezoidal.
In the present embodiment, the left part of the rear side of the dynamic model 1 is provided with the left core groove 59 of dynamic model, and the left core groove 59 of dynamic model includes first
Left front core groove, the second left front core groove, the 3rd left front core groove and the 4th left front core groove, the right part of the rear side of the dynamic model are provided with dynamic model
Right core groove 52, the right core groove 52 of dynamic model include core groove before core groove before first right side and second right side；The left part of the front side of the cover half 5 is provided with
The left core groove 12 of cover half, the left core groove 12 of cover half include seeing that the first left back core groove, the second left back core groove, the 3rd left back core groove and the 4th are left
Core groove afterwards, the right part of the front side of the cover half 5 are provided with the right core groove 19 of cover half, and the right core groove 19 of cover half includes behind first right side core groove and the
Core groove behind two right sides；The middle part of dynamic model is provided with dynamic model hollow valve body die cavity 57, and the middle part of cover half is provided with cover half hollow valve body die cavity 17,
Dynamic model hollow valve body die cavity 57 and cover half hollow valve body die cavity 17 collectively constitute hollow valve body die cavity；Overflow launder includes left side overflow
Groove 13, right side overflow launder 16, the first upside overflow launder and the second upside overflow launder 15, the first upside overflow launder and the second upside are overflow
Chute 15 is respectively arranged with two, and two the first upside overflow launders are interconnected, and two the second upside overflow launders are interconnected；Row
Air drain includes the first left side air discharge duct, the first right side exhaust groove, the second left side air discharge duct and the second right side exhaust groove, air discharge duct and entered
Row bending design, to be hurted sb.'s feelings with preventing scorching hot molten metal or gas sputtering ejection.
A kind of casting method with auto trailer valve mould, the casting method comprise the following steps：
1) matched moulds cast sections：Cover half shell is fixed, and then installs upper core 4, lower core 7, left location-plate 31, levorotation core
33rd, right location-plate 32, right core 34, running channel insert 61, sprue bush 62, the translation mechanism of die casting machine drive the motion of dynamic model shell, from
And dynamic model 1 is cooperatively formed the mold cavity for casting auto trailer valve with cover half 5, in the presence of die casting machine extrusion head,
Molten metal is squeezed into mold cavity by sprue bush, molten metal flows on sprue 182 from material handle and enters circular cross-runner
183；Centrifugal action is produced in the presence of injection pressure, molten metal is pushed to the outer wall of circular cross-runner 183, and by six
Individual transition cross gate, flows into each die cavity, until being completely filled with successively；After filling finishes, unnecessary molten metal and gas are miscellaneous
Matter is overflowed by each corresponding overflow launder；
2) stage is molded：After the completion of extrusion casint, the translation mechanism of die casting machine drives dynamic model 1 is front and rear to transport by dynamic model shell
It is dynamic, then by being moved while extrusion head and push rod by spray from surely middle release die cavity, obtain auto trailer valve casting.
The correlation technique content in die sinking stage and operation belong to disclosed prior art, are not repeating herein.
Further, in casting, the injection speed of die casting machine is 7m/s, and pouring temperature is 660 DEG C, and mold preheating temperature is
220℃。
Claims (7)
1. a kind of auto trailer valve mould, including dynamic model and cover half, the dynamic model is located at the front of the cover half, the dynamic model
Mold cavity is formed between the front side of rear side and the cover half, the front side of the dynamic model is fixedly connected with dynamic model shell, the cover half
Rear side be fixedly connected with cover half shell, the dynamic model shell is connected with the translation mechanism of movable die casting machine, it is characterised in that：
The mould also includes upper core, lower core, levorotation core, right core, running channel insert, sprue bush and down sprue structure, under described
The upper end of core and the lower end of the upper core offset, and the running channel insert is located at the front of the lower core and is arranged on cover half
On shell, the sprue bush is located at the front of the down sprue structure and on dynamic model shell, and the down sprue structure is arranged on
On the lower core；
Auto trailer valve includes the hollow valve body of up/down perforation, and the left side of the hollow valve body is sequentially provided with first left side from top to bottom
Passage, the second left passage and the 3rd left passage, the left rear side of the hollow valve body are provided with the 4th left passage, the 4th left passage
Positioned at the lower section of the 3rd left passage, the right side of the hollow valve body is sequentially provided with the first right passage and second right side from top to bottom
Passage；
The levorotation core includes the first levorotation core, the second levorotation core, the 3rd levorotation core, the 4th levorotation core, and the right core includes
First right core and the second right core；
The middle part of the rear side of the dynamic model is vertically provided with the first upper core groove and first time core groove, first time core groove position
In the lower section of the first upper core groove, the middle part of the front side of the cover half is provided with the second upper core groove and second time core groove,
Second time core groove is located at the lower section of the second upper core groove；The first upper core groove and the second upper core groove
Fasten and formed to install the mo(u)ld top half core cavity of upper core, first time core groove fastens to form use with second time core groove
To install the lower mandrel cavity of lower core, gap and the mo(u)ld top half core cavity and the mo(u)ld top half between the lower mandrel cavity and lower core
The gap that core is formed is collectively forming the hollow valve body die cavity to hollow valve body moulding by casting；
The levorotation core is arranged on the left side of the hollow valve body die cavity by left location-plate, and the right core passes through right location-plate
Installed in the right side of the hollow valve body die cavity；
The left side of the first upper core groove is provided with the first front left channel groove, the second front left channel groove, the 3rd left front from top to bottom
Channel slot, the right side of the first upper core groove are provided with the first front right channel groove, and the left side of first time core groove is provided with the
Four front left channel grooves, the right side of first time core groove are provided with the second front right channel groove；The left side of the second upper core groove
The first left rear channels groove, the second left rear channels groove, the 3rd left rear channels groove, the right side of the second upper core groove are provided with from top to bottom
Side is provided with channel slot behind first right side, and the left side of second time core groove is provided with the 4th left rear channels groove, second time core
The right side of groove is provided with channel slot behind second right side；
The left part of the rear side of the dynamic model is transversely provided with the first left front core groove, the second left front core groove, the 3rd left side successively from top to bottom
Preceding core groove and the 4th left front core groove, the right part of the rear side of the dynamic model are sequentially provided with core groove and second right side before first right side from top to bottom
Preceding core groove；The first left front core groove connects with the first front left channel groove, and the second left front core groove is left with described second
Prepass groove connects, and the 3rd left front core groove connects with the 3rd front left channel groove, the 4th left front core groove with it is described
4th front left channel groove connects, and core groove connects with the first front right channel groove before first right side, core groove before second right side
Connected with the second front right channel groove；
The left part of the front side of the cover half is sequentially provided with the first left back core groove, the second left back core groove, the 3rd left back core from top to bottom
Groove and the 4th left back core groove, the right part of the front side of the cover half are sequentially provided with behind first right side core after core groove and second right side from top to bottom
Groove；The first left back core groove connects with the first left rear channels groove, and the second left back core groove is left back logical with described second
Road groove connection, the 3rd left back core groove connect with the 3rd left rear channels groove, the 4th left back core groove and the described 4th
Left rear channels groove connects, and core groove connects with channel slot behind first right side behind first right side, core groove and institute behind second right side
Channel slot connects after stating second right side；
The first front left channel groove and the first left rear channels groove fasten to be formed to the of the first left passage moulding by casting
One left passage die cavity, the second front left channel groove are fastened to be formed with the second left rear channels groove and poured into a mould to the second left passage
Second left passage die cavity of shaping, the 3rd front left channel groove fasten to be formed to the 3rd with the described 3rd left back core channel slot
3rd left passage die cavity of left passage moulding by casting, the 4th front left channel groove fasten shape with the described 4th left back core channel slot
Into the 4th left passage die cavity to the 4th left passage moulding by casting, the first front right channel groove and passage behind first right side
Groove fastens the first right passage die cavity to be formed to the first right passage moulding by casting, the second front right channel groove and described second
Channel slot fastens the second right passage die cavity to be formed to the second right passage moulding by casting behind the right side；
The first left front core groove fastens to form the first levorotation core for installing the first levorotation core with the described first left back core groove
Chamber, the second left front core groove fasten the second levorotation core cavity to form the second levorotation core of installation, institute with the described second left back core groove
State the 3rd left front core groove and fasten the 3rd levorotation core cavity to form installing the 3rd levorotation core with the described 3rd left back core groove, it is described
4th left front core groove and the described 4th left back core groove fasten the 4th levorotation core cavity to form installing the 4th levorotation core, and described the
Core groove fastens the first right mandrel cavity to be formed to the first right core behind core groove and first right side before one right side, before second right side
Core groove fastens the second right mandrel cavity to be formed to the second right core with core groove behind second right side；
The first levorotation core sequentially passes through the first levorotation core cavity from left to right, the first left passage die cavity is contradicted in the upper core
Top, the second levorotation core sequentially passes through the second levorotation core cavity from left to right, the second left passage die cavity is contradicted on described
The middle part of core, the 3rd levorotation core sequentially passes through the 3rd levorotation core cavity from left to right, the 3rd left passage die cavity is contradicted in institute
The bottom of upper core is stated, the 4th levorotation core sequentially passes through the 4th levorotation core cavity from left to right, the 4th left passage die cavity contradicts
On the lower core；The first right core right-to-left sequentially passes through the first right mandrel cavity, the first right passage die cavity contacts
In the upper core, the second right core right-to-left sequentially passes through the second right mandrel cavity, the second right passage die cavity contacts
On the lower core；
What gap, the second left passage die cavity and the second levorotation core that the first left passage die cavity and the first levorotation core are formed were formed
Gap that gap, the 3rd left passage die cavity and the 3rd levorotation core are formed, the gap of the 4th left passage die cavity and the 4th core formation,
The gap that gap, the second right passage die cavity and the second right core that first right passage die cavity and the first right core are formed are formed is simultaneously
The mold cavity is collectively forming with the hollow valve body die cavity；
Left side overflow launder, right side overflow launder and the second upside overflow launder are additionally provided with the front side of the cover half, after the dynamic model
The first upside overflow launder is additionally provided with side；
The right-hand member of the first left back core groove, right-hand member, the right-hand member and the 4th left back core of the 3rd left back core groove of the second left back core groove
The right-hand member of groove is equipped with left side overflow launder, the left side overflow launder of the 4th left back core groove and the left side of the described 3rd left back core groove
Overflow launder connects, and the left side overflow launder of the 3rd left back core groove connects with the left side overflow launder of the described second left back core groove, institute
The left side overflow launder for stating the second left back core groove connects with the left side overflow launder of the described first left back core groove, the first left back core groove
The end of left side overflow launder connected with the first left side air discharge duct；
The left end of core groove is equipped with right side overflow launder behind the left end of core groove and second right side behind first right side, core behind second right side
The right side overflow launder of groove connects with the right side overflow launder of core groove behind first right side, and behind first right side end of the right side overflow launder of core groove
End connects with the first right side exhaust groove；
The top of the second upper core groove is provided with second upside overflow launder, second upside overflow launder and the second right side
Air discharge duct connects, and the top of the first upper core groove is provided with first upside overflow launder, first upside overflow launder and
Second left side air discharge duct connection.
2. auto trailer valve mould as claimed in claim 1, it is characterised in that：The down sprue structure include material handle, up and down
Sprue, circular cross-runner and the transition cross gate arranged vertically, the sprue are located at the rear of the material handle, the material handle
Upper end be connected with the lower end of the sprue, the upper end of the sprue is connected with the front side of the circular cross-runner, described
The rear side of circular cross-runner is provided with running channel breach, and the transition cross gate is provided with two or more, and more than two cross gates are uniform
At one week of the circular cross-runner；
The circular cross-runner is located in the lower mandrel cavity, and the lower core passes through the circular cross-runner from bottom to top, around
The upper end of road insert is provided with insert breach, and the insert that detours is located at the rear of the material handle, the material handle and the sprue
Junction is abutted against on the insert breach, and the lower end of the dynamic model is provided with dynamic model breach, and the rear end of the sprue bush is from forward direction
It is sleeved on afterwards through dynamic model breach outside material handle.
3. auto trailer valve mould as claimed in claim 2, it is characterised in that：The transition cross gate is provided with six.
4. auto trailer valve mould as claimed in claim 2, it is characterised in that：First left side air discharge duct, the first right side
Air discharge duct, the second left side air discharge duct and the second right side exhaust groove are the air discharge duct of bending.
5. auto trailer valve mould as claimed in claim 2, it is characterised in that：The cross section of the sprue is trapezoidal.
A kind of 6. casting method with auto trailer valve mould as claimed in claim 1, it is characterised in that：The casting method
Comprise the following steps：
1) matched moulds cast sections：Cover half shell is fixed, then install upper core, lower core, left location-plate, levorotation core, right location-plate,
Right core, running channel insert, sprue bush, the translation mechanism of die casting machine drives the motion of dynamic model shell, so that dynamic model coordinates shape with cover half
Into the mold cavity for casting auto trailer valve, in the presence of die casting machine extrusion head, molten metal is squeezed into by sprue bush
Mold cavity, molten metal flow on sprue from material handle and enter circular cross-runner；Centrifugation is produced in the presence of injection pressure
Effect, molten metal is pushed to the outer wall of circular cross-runner, and passes through six transition cross gates, flow into each die cavity successively, directly
To being completely filled with；After filling finishes, unnecessary molten metal and gaseous impurity are overflowed by each corresponding overflow launder；
2) stage is molded：After the completion of extrusion casint, the translation mechanism of die casting machine drives dynamic model to move forward and backward by dynamic model shell, then
By being moved while extrusion head and push rod by spray from surely middle release die cavity, auto trailer valve casting is obtained.
A kind of 7. casting method of auto trailer valve mould as claimed in claim 6, it is characterised in that：In casting, die casting
The injection speed of machine is 7m/s, and pouring temperature is 660 DEG C, and mold preheating temperature is 220 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610653915.1A CN106180631B (en) | 2016-08-09 | 2016-08-09 | Automobile trailer valve mold and casting method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610653915.1A CN106180631B (en) | 2016-08-09 | 2016-08-09 | Automobile trailer valve mold and casting method thereof |
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| CN106180631A CN106180631A (en) | 2016-12-07 |
| CN106180631B true CN106180631B (en) | 2018-02-27 |
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| CN107414055A (en) * | 2017-09-19 | 2017-12-01 | 贵阳华烽有色铸造有限公司 | A kind of die casting of aviation spare and accessory parts |
| CN107876729A (en) * | 2017-12-19 | 2018-04-06 | 宁波市北仑欣玉模具制造有限公司 | A kind of annular feeding structure for die casting |
| CN109396389A (en) * | 2018-12-30 | 2019-03-01 | 博众优浦(常熟)汽车部件科技有限公司 | A kind of bilateral charging casting die for camshaft the cover |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH0240414B2 (en) * | 1986-12-12 | 1990-09-11 | Eikosha Kawaguchi Daikasuto Giken Kk | DAIKASUTONIOKERUNAIMENTOTSUKINOARUSEIHINNODATSURIHOHO |
| CN201002126Y (en) * | 2007-01-25 | 2008-01-09 | 陆迎旗 | Valve body mould |
| CN201922018U (en) * | 2010-12-31 | 2011-08-10 | 东莞市东升压铸模具有限公司 | Pressure casting mold for manufacturing petrol engine automatic pump valve body |
| CN102554180B (en) * | 2010-12-31 | 2013-09-25 | 东莞市东升压铸模具有限公司 | Die-casting mold for manufacturing automatic pump valve body of gasoline engine |
| CN104149272A (en) * | 2014-07-15 | 2014-11-19 | 天津理工大学 | Injection compression molding composite mould |
| CN204159843U (en) * | 2014-07-30 | 2015-02-18 | 牟维军 | Triple-valve body metal die-casting mold |
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