CN110076316A - Forming method of zinc alloy product and zinc alloy forming die - Google Patents
Forming method of zinc alloy product and zinc alloy forming die Download PDFInfo
- Publication number
- CN110076316A CN110076316A CN201910443021.3A CN201910443021A CN110076316A CN 110076316 A CN110076316 A CN 110076316A CN 201910443021 A CN201910443021 A CN 201910443021A CN 110076316 A CN110076316 A CN 110076316A
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- China
- Prior art keywords
- runner
- zinc alloy
- molding die
- raw material
- kirsite
- Prior art date
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- 229910001297 Zn alloy Inorganic materials 0.000 title claims abstract description 83
- 238000000034 method Methods 0.000 title claims abstract description 30
- 239000007788 liquid Substances 0.000 claims abstract description 65
- 239000002994 raw material Substances 0.000 claims abstract description 53
- 239000002699 waste material Substances 0.000 claims abstract description 18
- 238000010438 heat treatment Methods 0.000 claims abstract description 11
- 238000000465 moulding Methods 0.000 claims description 62
- 239000011701 zinc Substances 0.000 claims description 15
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 13
- 229910052725 zinc Inorganic materials 0.000 claims description 13
- 230000008719 thickening Effects 0.000 claims description 8
- 210000001161 mammalian embryo Anatomy 0.000 claims description 7
- 238000011897 real-time detection Methods 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 239000003292 glue Substances 0.000 abstract 2
- 238000010586 diagram Methods 0.000 description 17
- 239000000463 material Substances 0.000 description 10
- 230000000694 effects Effects 0.000 description 5
- 239000000956 alloy Substances 0.000 description 4
- 230000001133 acceleration Effects 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 239000003818 cinder Substances 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 238000004512 die casting Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000010259 detection of temperature stimulus Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- B22D17/2218—Cooling or heating equipment for dies
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D2/00—Arrangement of indicating or measuring devices, e.g. for temperature or viscosity of the fused mass
- B22D2/006—Arrangement of indicating or measuring devices, e.g. for temperature or viscosity of the fused mass for the temperature of the molten metal
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The invention relates to a forming method of a zinc alloy product and a zinc alloy forming die, wherein the zinc alloy product is manufactured by the zinc alloy forming die, a runner structure and a plurality of cavities are arranged in the zinc alloy forming die, the runner structure comprises a main runner and a sub-runner, the sub-runner comprises a front runner and a rear runner, glue inlets of the main runner, the front runner, the rear runner and the cavities are sequentially communicated, the front runner is a curved runner, and the size of the rear runner is gradually increased in the direction towards the front runner, and the forming method comprises the following steps: heating the zinc alloy forming die to a preset temperature; heating a zinc alloy raw material to a liquid state, and injecting the zinc alloy raw material into a zinc alloy forming die, wherein the liquid zinc alloy raw material sequentially passes through a main flow channel, a front section flow channel and a rear section flow channel and enters a plurality of cavities through a glue inlet to be solidified into a rough blank; and removing the waste materials on the rough blank to obtain the zinc alloy product. The yield of zinc alloy products is improved through the scheme.
Description
Technical field
The present invention relates to the technical fields of zinc alloy product forming method, and in particular to a kind of molding side of zinc alloy product
Method and kirsite molding die.
Background technique
Zinc alloy diecasting molding be the zinc liquid that will melt at a higher pressure, be at a high speed filled into casting die
Chamber, and solidify zinc liquid in a high voltage state and form the process of zinc alloy diecasting, it is kirsite all at present
Highest one kind of efficiency in shape casting forming method.
The case where for multi-point mould, according to Runner Balance degree, the zinc liquid filling time of cavity is easy to produce
Deviation keeps the balance of zinc liquid flowing particularly significant in die cast.The smoothness of zinc liquid flowing is that zinc closes
The key factor of golden liquid stream dynamic balance.Now commonly use kirsite molding die runner usually by the runner design of mold compared with
Directly, relatively simple, in zinc liquid charging, flowing has some setbacks, and the resistance that zinc liquid flowing is subject to is larger, is easy to appear back
Stream etc. is bad, reduces the molding yields of zinc alloy product.
Summary of the invention
The present invention provides a kind of forming method of zinc alloy product and kirsite molding dies, to solve in the prior art
Zinc alloy product forms the low technical problem of yields.
In order to solve the above technical problems, one technical scheme adopted by the invention is that: provide a kind of zinc alloy product at
Type method, the zinc alloy product are made up of kirsite molding die, and flow passage structure and more is offered in kirsite molding die
A type chamber, flow passage structure include sprue and runner, and runner includes leading portion runner and back segment runner, sprue, leading portion stream
The glue-feeder in road, back segment runner and multiple type chambers is sequentially communicated, and leading portion runner is Curved runner, and the size of back segment runner is in direction
It is gradually increased on the direction of leading portion runner, which includes: to heat kirsite molding die to preset temperature；By kirsite
Raw material is heated to liquid, and is injected into kirsite molding die, wherein liquid zinc alloy raw material successively passes through sprue, preceding
Duan Liudao, back segment runner, and entered in multiple type chambers by glue-feeder, to solidify coarse-blank；The waste material on thick embryo is removed, with
To zinc alloy product
In order to solve the above technical problems, another technical solution used in the present invention is: providing a kind of kirsite shaping mould
Tool, the kirsite molding die use is in above-mentioned forming method, to obtain zinc alloy product.
The beneficial effects of the present invention are: forming method of the invention is completed under the cooperation of kirsite molding die, zinc is closed
Flow passage structure and multiple type chambers are offered in golden molding die, flow passage structure includes sprue and runner, before runner includes
Duan Liudao and back segment runner, sprue, leading portion runner, back segment runner and multiple type chambers glue-feeder be sequentially communicated, leading portion runner
Size for Curved runner, back segment runner is gradually increased on the direction towards leading portion runner.It is infused by liquid zinc alloy raw material
After entering into kirsite molding die, liquid zinc alloy raw material successively passes through sprue, leading portion runner, back segment runner, and passes through
Glue-feeder enters in multiple type chambers.Leading portion runner is set as Curved runner, and Curved runner ensure that liquid zinc alloy is former in runner
The dynamic smoothness of stream, avoids causing the bad phenomenons such as air inclusion since liquid zinc alloy material flow is obstructed, makes liquid Zn
Alloy raw material is preferably filled multiple type chambers.In addition, because being flowed with liquid zinc alloy raw material, liquid zinc alloy
The speed of raw material can lose, so when the size of back segment runner is gradually increased on the direction towards leading portion runner, back segment stream
Road can ensure that liquid zinc alloy raw material is always acceleration mode during filling, be conducive to liquid zinc alloy raw material in this way
It is formed well into each type is intracavitary, to improve shaped article quality.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing, in which:
Fig. 1 is the flow diagram of an embodiment of the forming method of zinc alloy product provided by the present application；
Fig. 2 is the assembly structure diagram of an embodiment of kirsite molding die provided by the present application；
Fig. 3 is the schematic cross-section of an embodiment of kirsite molding die provided by the present application；
Fig. 4 is the structural schematic diagram of an embodiment of flow passage structure provided by the present application；
Fig. 5 is the partial enlargement diagram of a-quadrant in Fig. 4 provided by the present application；
Fig. 6 is the flow diagram of another embodiment of the forming method of zinc alloy product provided by the present application；
Fig. 7 is that kirsite molding die provided by the present application is illustrated in the decomposition texture of an embodiment in flow distribution plate region
Figure；
Fig. 8 is cross section structure schematic diagram of the kirsite molding die provided by the present application in an embodiment in hot mouth region；
Fig. 9 is the structural schematic diagram of an embodiment of discharge chamber provided by the present application；
Figure 10 is the partial enlargement diagram of B area in Fig. 9 provided by the present application.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are some of the embodiments of the present invention, instead of all the embodiments.Based on this hair
Embodiment in bright, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall within the protection scope of the present invention.
It is also understood that mesh of the term used in this description of the invention merely for the sake of description specific embodiment
And be not intended to limit the present invention.As description of the invention and it is used in the attached claims, unless on
Other situations are hereafter clearly indicated, otherwise " one " of singular, "one" and "the" are intended to include plural form.
It will be further appreciated that the term "and/or" used in description of the invention and the appended claims is
Refer to any combination and all possible combinations of one or more of associated item listed, and including these combinations.
Fig. 1 is the process of an embodiment of the forming method of zinc alloy product provided by the present application referring to FIG. 1 to FIG. 4,
Schematic diagram, Fig. 2 are the assembly structure diagrams of an embodiment of kirsite molding die 100 provided by the present application, and Fig. 3 is this Shen
The schematic cross-section of one embodiment of the kirsite molding die 100 that please be provided, Fig. 4 are flow passage structures 110 provided by the present application
An embodiment structural schematic diagram.
The forming method of the zinc alloy product of the application is completed under the cooperation of kirsite molding die 100, specific as follows.
S101: heating kirsite molding die 100 to preset temperature.
The application can heat kirsite molding die 100 with electrically heated mode, so that kirsite shaping mould
The temperature of tool 100 is improved to preset temperature, and preset temperature can be 200 degrees Celsius to 220 degrees Celsius, for example, 200 degrees Celsius,
205 degrees Celsius, 210 degrees Celsius, 218 degrees Celsius and 220 degrees Celsius.Default temperature is warming up in 100 temperature of kirsite molding die
After degree, heat preservation 30 to 60 minutes can be carried out to kirsite molding die 100, it is ensured that each position in kirsite molding die 100
The temperature at the place of setting reaches normal level.
Flow passage structure 110 and multiple type chambers 120 are offered in kirsite molding die 100, flow passage structure 110 is for guiding
Liquid zinc alloy raw material is formed into type chamber 120.Flow passage structure 110 includes sprue 111 and runner 112, and runner 112 wraps
Include leading portion runner 113 and back segment runner 114, sprue 111, leading portion runner 113, back segment runner 114 and multiple type chambers 120 into
Jiao Kou is sequentially communicated, and leading portion runner 113 is Curved runner, and the size of back segment runner 114 is on the direction towards leading portion runner 113
It is gradually increased.
The 110 molding runner material residue of institute of flow passage structure of the application is corresponding with flow passage structure 110, in order to more intuitive
The flow passage structure 110 of kirsite molding die 100 is described, this is in runner material residue to illustrate the stream of kirsite molding die 100
Road structure 110.
S102: being heated to liquid for kirsite raw material, and is injected into kirsite molding kirsite molding die 100.
After kirsite raw material is heated to liquid, liquid zinc alloy raw material is injected into kirsite molding die 100, liquid
State kirsite raw material successively passes through sprue 111, leading portion runner 113, back segment runner 114, and enters multiple types by glue-feeder
In chamber 120, to solidify coarse-blank.
Leading portion runner 113 is set as Curved runner, and Curved runner ensure that the suitable of liquid zinc alloy material flow in runner
Smooth property avoids causing the bad phenomenons such as air inclusion since liquid zinc alloy material flow is obstructed, makes liquid zinc alloy raw material more
Multiple type chambers 120 are filled well.
In addition, the speed of liquid zinc alloy raw material can lose because flow with liquid zinc alloy raw material, thus when after
For the size of Duan Liudao 114 when being gradually increased on the direction towards leading portion runner 113, back segment runner 114 can ensure liquid Zn
Alloy raw material is always acceleration mode during filling, is conducive to liquid zinc alloy raw material in this way well into each type chamber
It is formed in 120, to improve shaped article quality.
Back segment runner 114 and type chamber 120 are arranged in angle, make the distance between back segment runner 114 and type chamber 120 in direction
It is gradually increased on the direction of leading portion runner 113.Angle between back segment runner 114 and type chamber 120 can be 20 degree to 70 degree, from
And prevent the liquid zinc alloy raw material in back segment runner 114 from flowing back.If back segment runner 114 is equidistant with type chamber 120, also
It is that back segment runner 114 is arranged in parallel with type chamber 120, then after one end of the separate leading portion runner 113 of type chamber 120 will be compared with the other end
Liquid zinc alloy raw material is received, to influence the Forming Quality of product.
S103: removing the waste material on thick embryo, to obtain zinc alloy product.
By the waste material removal on thick embryo, waste material includes the runner material residue connecting with the glue-feeder of type chamber 120, by runner material residue
After removal, to obtain zinc alloy product.
Fig. 1, Fig. 4 and Fig. 5 are please referred to, Fig. 5 is the partial enlargement diagram of a-quadrant in Fig. 4 provided by the present application.
Specifically, back segment runner 114 includes drainage lumens 115 and directed cavity 116, leading portion runner 113, drainage lumens 115, guiding
The glue-feeder of chamber 116 and multiple type chambers 120 is sequentially communicated, and the thickness of drainage lumens 115 is greater than the thickness of directed cavity 116, to make
The liquid zinc alloy raw material obtained in back segment runner 114 can speed up into type chamber 120, to ensure that liquid zinc alloy raw material is full of
In entire type chamber 120.
The thickness of directed cavity 116 is gradually reduced on the direction far from drainage lumens 115, thereby further ensures that liquid Zn is closed
Golden raw material can be in acceleration mode when entering type chamber 120, it is ensured that liquid zinc alloy raw material is full of type chamber 120, reduces product
Fraction defective.
Directed cavity 116 is approximately perpendicular to glue-feeder so that the liquid zinc alloy raw material in back segment runner 114 vertically into
Enter glue-feeder, is conducive to liquid zinc alloy raw material full of type chamber 120, to improve the quality of shaped article.It is appreciated that directed cavity
116 are approximately perpendicular to glue-feeder, and the angular range for referring specifically to 116 glue-feeder of directed cavity is 85 degree of -95 degree, for example, 85 degree, 88
Degree, 90 degree, 92 degree and 95 degree etc..
Back segment runner 114 further includes thickening part 117, and thickening part 117 is set to the separate leading portion runner 113 of directed cavity 116
One end, the depth of thickening part 117 are greater than the depth of directed cavity 116.Because liquid zinc alloy raw material is during flowing, speed
Certain loss is had, there is the case where one end for the separate leading portion runner 113 that cannot flow to back segment runner 114, to occur
Defective products, so liquid zinc alloy raw material can be preferentially toward the thickening part for being in lower after adding thickening part 117 in the runner of rear end
Flowed in 117, thus reduce liquid zinc alloy raw material cannot flow into type chamber 120 separate leading portion runner 113 one end it is general
Rate.
Zinc alloy product also has corresponding arc structure in type chamber 120, glue-feeder is located at type chamber 120 there are arc surface
At arc structure, directed cavity 116 is equipped with the inclined-plane vertical with arc structure with the junction of glue-feeder.Come from amechanical angle
It says, directed cavity 116 is vertical with arc structure to facilitate the tangential direction along the junction of waste material and arc structure to break except waste material, avoids
There are a problem that expecting or lacking material more at glue-feeder in zinc alloy product.
Please refer to Fig. 1, Fig. 3, Fig. 6, Fig. 7 to Fig. 8, Fig. 6 be zinc alloy product provided by the present application forming method it is another
The flow diagram of one embodiment, Fig. 7 are a reality of the kirsite molding die 100 provided by the present application in 150 region of flow distribution plate
The decomposition texture schematic diagram of example is applied, Fig. 8 is an implementation of the kirsite molding die 100 provided by the present application in 160 region of hot mouth
The cross section structure schematic diagram of example.
S201: electrically conduct heater 170 and temperature detector 180, and 170 heating flow distribution plate 150 of heater and hot mouth 160 are to pre-
If temperature, the temperature of temperature detector 180 real-time detection flow distribution plate 150 and hot mouth 160.
The kirsite molding die 100 of the application includes preceding mould 130, rear mold 140, flow distribution plate 150, at least two hot mouths
160, heater 170 and temperature detector 180.Preceding mould 130, which is pressed together in rear mold 140, forms flow passage structure 110 and multiple type chambers 120,
Flow distribution plate 150 and the connection of at least two hot mouths 160, and be arranged in kirsite molding die 100 by one end of nearby mould 130,
The inside of flow distribution plate 150, which offers, shunts plate runner 151, and the inside of hot mouth 160 offers hot mouth runner 161, shunts plate runner
151, the sprue 111 of hot mouth runner 161 and flow passage structure 110 is sequentially communicated, heater 170 respectively with flow distribution plate 150 and heat
Mouth 160 connect, heater 170 be used for heating flow distribution plate 150 and hot mouth 160, temperature detector 180 respectively with flow distribution plate 150 and hot mouth
160 connections, temperature detector 180 are used to detect the temperature of flow distribution plate 150 and hot mouth 160.
After electrically conduct heater 170 and temperature detector 180, heater 170, which is powered, generates heat, to 150 He of flow distribution plate
Hot mouth 160 is heated, the temperature of temperature detector 180 real-time detection flow distribution plate 150 and hot mouth 160, when flow distribution plate 150 and hot mouth
When 160 temperature reaches preset temperature, isothermal holding is carried out to flow distribution plate 150 and hot mouth 160.
Present inventor has found that kirsite molding die 100 is right using a sprue 111 in the research of early period
When answering a hot mouth 160, the cross-sectional area of sprue 111 is greater than the cross-sectional area sum of runner 112, can just guarantee zinc
The molding of alloy product is complete, and it is larger that this will lead to waste material weight at sprue 111.And this programme is then using at least two
A hot mouth 160, each of at least two hot mouths 160 connect the runner 112 of identical quantity, therefore each sprue 111
Cross-sectional area become smaller, to alleviate the waste material weight at sprue 111.
S202: kirsite raw material is heated to liquid, and liquid zinc alloy raw material is injected into zinc by flow distribution plate 150 and is closed
In golden molding die 100.
Liquid zinc alloy raw material is injected into kirsite molding die 100 from flow distribution plate 150, and liquid zinc alloy raw material is successively
By shunting plate runner 151, hot mouth runner 161, sprue 111, leading portion runner 113, back segment runner 114, and pass through glue-feeder
Into in multiple type chambers 120, to solidify coarse-blank.Because of the effect of heater 170, it is possible to ensure liquid zinc alloy raw material
During flowing temperature will not rapid decrease, and it is cured existing to cause liquid zinc alloy raw material to occur during flowing
As.In addition, because the real-time detection of temperature detector 180, user can accurately recognize flow distribution plate 150 and hot mouth in real time
160 temperature change, to handle abnormal conditions in time.
S203: removing the waste material on thick embryo, to obtain zinc alloy product.
By the waste material removal on thick embryo, waste material includes the runner material residue connecting with the glue-feeder of type chamber 120, by runner material residue
After removal, to obtain zinc alloy product.
Fig. 7 and Fig. 8 are please referred to, the inside of flow distribution plate 150 is also provided with mounting hole 152, and mounting hole 152 is along flow distribution plate 150
Length direction setting, and penetrate through flow distribution plate 150 both ends, shunt plate runner 151 be distributed in along the length direction of flow distribution plate 150
On same plane, heater 170 includes primary heater 171 and secondary heater 172, and primary heater 171 passes through mounting hole
152 are arranged inside flow distribution plate 150, and secondary heater 172 is wound on the outer peripheral surface of hot mouth 160.
Shunting plate runner 151 includes entrance channel 1512, at least two outlet flows 1514 and connecting passage 1516, entrance
Runner 1512 and at least two outlet flows 1514 are separately positioned on the opposite sides face of flow distribution plate 150, connecting passage 1516
Length direction along flow distribution plate 150 is arranged, and connecting passage 1516 is by entrance channel 1512 and at least two outlet flows 1514
It is connected together, at least two outlet flows 1514 are connected to hot mouth runner 161.Liquid Zn raw metal is from entrance channel 1512
It is middle to enter in kirsite molding die 100, it is flowed under the guiding of connecting passage 1516 at least two outlet flows 1514,
Then it is flowed out respectively from least two outlet flows 1514, to flow at least two hot mouths 160.
Mounting hole 152 is arranged and runs through the both ends of flow distribution plate 150, primary heater along 150 length direction of flow distribution plate
171, which pass through mounting hole 152, is arranged inside flow distribution plate 150, and connecting passage 1516 is arranged along 150 length direction of flow distribution plate, therefore
The primary heater 171 being placed in mounting hole 152 is parallel to connecting passage 1516,171 each section of primary heater to connection
Runner 1516 is equidistant, and primary heater 171 is uniform to the liquid zinc alloy raw material heating effect in connecting passage 1516.
In addition, primary heater 171 heats flow distribution plate 150 from inside, temperature transmission effect is more preferable, 171 pairs of primary heater shuntings
150 heating speed of plate is fast, and heating efficiency is high.
The quantity of mounting hole 152 can be set to two, and two mounting holes 152 are rectangular along the width of flow distribution plate 150
On about shunt plate runner 151 be symmetrical arranged.Be all provided with having heaters 170 inside two mounting holes 152, with from two positions to point
Liquid in flowing plate runner 151 is heated, so that heating effect is more preferable, heating efficiency is high.
The structural schematic diagram that Fig. 3, Fig. 9 are an embodiment of discharge chamber 190 provided by the present application to Figure 10, Fig. 9 is please referred to,
Figure 10 is the partial enlargement diagram of B area in Fig. 9 provided by the present application.
The 190 molding exhaust material residue of institute of discharge chamber of the application is corresponding with discharge chamber 190, for more intuitive description
The discharge chamber 190 of kirsite molding die 100, this is in exhaust material residue to illustrate the discharge chamber of kirsite molding die 100
190.Discharge chamber 190 is used to eliminate the stomata of shaped article.Liquid zinc alloy raw material successively passes through sprue 111, leading portion runner
113, back segment runner 114, multiple type chambers 120, multiple discharge chambers 190, liquid zinc alloy raw material enter multiple type chambers 120 after,
Solidify coarse-blank.
Be also provided with multiple discharge chambers 190 in kirsite molding die 100, multiple discharge chambers 190 respectively with multiple type chambers
120 are connected to one by one, and the surface of type chamber 120 is provided with wavy shaped configuration.
Present inventor has found in the research of early period, when use cinder ladle and surface for the discharge chamber 190 of plane into
When row exhaust, since the volume of cinder ladle is larger, the waste of kirsite raw material is caused.Wavy shaped configuration, which is arranged, in type chamber 120 carries out
Exhaust, wavy shaped configuration increase the instroke of discharge chamber 190, reduce original under the premise of guaranteeing the quality of shaped article
The waste of material.
Discharge chamber 190 includes level-one discharge chamber 191 and secondary exhaust chamber 192, and level-one discharge chamber 191 is connect with type chamber 120,
Secondary exhaust chamber 192 is connect with level-one discharge chamber 191 in angle, to increase the instroke of discharge chamber 190.Level-one discharge chamber
191 width and the width of secondary exhaust chamber 192 are gradually increased on the direction of remote release chamber 120, i.e. 191 He of level-one discharge chamber
Secondary exhaust chamber 192 is fan-shaped to be spread out, with the exhaust of easy to exhaust chamber 190.Further, level-one discharge chamber 191 and type chamber 120 hang down
It is direct-connected to connect.
It is to be appreciated that more stages discharge chamber can also be arranged in the case where 100 size of kirsite molding die allows
190, and successively connected in angle.Such as three-level discharge chamber 193, level Four discharge chamber and Pyatyi discharge chamber, three-level discharge chamber 193
It is connect with secondary exhaust chamber 192 in angle, level Four discharge chamber is connect with three-level discharge chamber 193 in angle, Pyatyi discharge chamber and four
Grade discharge chamber is connected in angle, has maximumlly increased the instroke of discharge chamber 190, promotes exhaust effect, is produced with promoting molding
Quality.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can readily occur in various equivalent modifications or replace
It changes, these modifications or substitutions should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with right
It is required that protection scope subject to.
Claims (10)
1. a kind of forming method of zinc alloy product, which is characterized in that
The zinc alloy product is made up of kirsite molding die, offered in the kirsite molding die flow passage structure and
Multiple type chambers, the flow passage structure include sprue and runner, and the runner includes leading portion runner and back segment runner, described
Sprue, the leading portion runner, the back segment runner and the multiple type chamber glue-feeder be sequentially communicated, the leading portion runner is
The size of Curved runner, the back segment runner is gradually increased on the direction towards the leading portion runner, the forming method packet
It includes:
The kirsite molding die is heated to preset temperature；
Kirsite raw material is heated to liquid, and is injected into the kirsite molding die, wherein liquid zinc alloy raw material according to
It is secondary to pass through the sprue, the leading portion runner, the back segment runner, and the multiple type chamber is entered by the glue-feeder
In, to solidify coarse-blank；
The waste material on the thick embryo is removed, to obtain the zinc alloy product.
2. forming method according to claim 1, which is characterized in that
The kirsite molding die includes: flow distribution plate, at least two hot mouths, heater and temperature detector, the flow distribution plate it is interior
Portion offers shunting plate runner, and the inside of the hot mouth offers hot mouth runner, the shunting plate runner, the hot mouth runner and
The sprue is sequentially communicated, and the heater is connect with the flow distribution plate and at least two hot mouth respectively, the temperature-sensitive
Device is connect with the flow distribution plate and at least two hot mouth respectively；
The heating kirsite molding die to the step of preset temperature includes: the electrically conduct heater and the sense
Warm device, the heater heat the flow distribution plate and the hot mouth to preset temperature, shunt described in the temperature detector real-time detection
The temperature of plate and the hot mouth；
It is described that kirsite raw material is heated to liquid, and the step being injected into the kirsite molding die includes: to close zinc
Golden raw material is heated to liquid, and liquid zinc alloy raw material is injected into the kirsite molding die by the flow distribution plate,
Wherein, liquid zinc alloy raw material successively passes through the shunting plate runner, the hot mouth runner, the sprue, the leading portion stream
Road, the back segment runner, and entered in the multiple type chamber by the glue-feeder, to solidify coarse-blank.
3. forming method according to claim 1, which is characterized in that
Be also provided with multiple discharge chambers in the kirsite molding die, the multiple discharge chamber respectively with the multiple type chamber one
One connection, the surface of the type chamber is provided with wavy shaped configuration；
The discharge chamber includes level-one discharge chamber and secondary exhaust chamber, and the level-one discharge chamber is connect with the type chamber, and described two
Grade discharge chamber is connect with the level-one discharge chamber in angle, the width of the width of the level-one discharge chamber and the secondary exhaust chamber
It is gradually increased on the direction far from the type chamber；
It is described that kirsite raw material is heated to liquid, and the step being injected into the kirsite molding die includes: to close zinc
Golden raw material is heated to liquid, and is injected into the kirsite molding die, wherein liquid zinc alloy raw material successively passes through described
Sprue, the leading portion runner, the back segment runner, the multiple type chamber, the multiple discharge chamber, liquid zinc alloy raw material exist
Into after the multiple type chamber, coarse-blank is solidified.
4. forming method according to claim 2, which is characterized in that
The inside of the flow distribution plate is also provided with mounting hole, and the mounting hole is arranged along the length direction of the flow distribution plate, and passes through
Lead to the both ends of the flow distribution plate, the plate runner that shunts is distributed in the same plane along the length direction of the flow distribution plate, described
Heater includes primary heater and secondary heater, and the primary heater passes through the mounting hole and is arranged in the flow distribution plate
Inside, the secondary heater are wound on the outer peripheral surface of the hot mouth.
5. forming method according to claim 4, which is characterized in that the shunting plate runner includes entrance channel, at least
Two outlet flows and connecting passage, the entrance channel and at least two outlet flow are separately positioned on the flow distribution plate
Opposite sides face on, the connecting passage along the flow distribution plate length direction be arranged, and the connecting passage by it is described enter
Mouth runner and at least two outlet flow are connected together, and at least two outlet flow and the hot mouth runner connect
It is logical.
6. forming method according to claim 1, which is characterized in that
The back segment runner includes drainage lumens and directed cavity, the leading portion runner, the drainage lumens, the directed cavity and described more
The glue-feeder of a type chamber is sequentially communicated, and the thickness of the drainage lumens is greater than the thickness of the directed cavity.
7. forming method according to claim 6, which is characterized in that
The glue-feeder is located at the arc structure of the type chamber, the directed cavity with the junction of the glue-feeder be equipped with
The vertical inclined-plane of the arc structure；
The step of waste material on the removal thick embryo includes: along the tangential of the waste material and the junction of the arc structure
It breaks except the waste material in direction.
8. forming method according to claim 6, which is characterized in that
The thickness of the directed cavity is gradually reduced on the direction far from the drainage lumens.
9. forming method according to claim 6, which is characterized in that
The back segment runner further includes thickening part, and the thickening part is set to one far from the leading portion runner of the directed cavity
End, the depth of the thickening part are greater than the depth of the directed cavity.
10. a kind of kirsite molding die, which is characterized in that the kirsite molding die use is any in claim 1 to 9
In forming method described in, to obtain zinc alloy product.
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|---|---|---|---|
| CN201910443021.3A CN110076316A (en) | 2019-05-26 | 2019-05-26 | Forming method of zinc alloy product and zinc alloy forming die |
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| CN201910443021.3A CN110076316A (en) | 2019-05-26 | 2019-05-26 | Forming method of zinc alloy product and zinc alloy forming die |
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| CN110076316A true CN110076316A (en) | 2019-08-02 |
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| CN201910443021.3A Pending CN110076316A (en) | 2019-05-26 | 2019-05-26 | Forming method of zinc alloy product and zinc alloy forming die |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110405185A (en) * | 2019-08-10 | 2019-11-05 | 深圳市宝田精工塑胶模具有限公司 | Ultrasonic vibration water gap cutting machine and water gap cutting method for die casting |
| CN112338162A (en) * | 2020-09-30 | 2021-02-09 | 有研工程技术研究院有限公司 | Pouring gate system for preparing plate-shaped castings and semi-solid die-casting forming process |
| CN113770327A (en) * | 2021-08-04 | 2021-12-10 | 金榀精密工业(苏州)有限公司 | Tree-shaped shunting type die-casting forming structure |
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Address after: 518000 a complete set of building a, 1, 2, 3 floors of building B and complete set of building C, No. 3, Sanmin Road, Shuitian community, Shiyan street, Bao'an District, Shenzhen City, Guangdong Province Applicant after: Shenzhen Baotian Precision Technology Co.,Ltd. Address before: 518000 Shenzhen, Baoan District, Guangdong Shiyan street, Longteng community, No. 2852, song Bai Road, Tian Hao Industrial Park plastic workshop E building south, 2 1 buildings 1 5.6 buildings. Applicant before: SHENZHEN CITY BAOTIAN PRECISION PLASTIC MOULD Co.,Ltd. |
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