CN110076315A - Flow passage structure and kirsite molding die - Google Patents
Flow passage structure and kirsite molding die Download PDFInfo
- Publication number
- CN110076315A CN110076315A CN201910443009.2A CN201910443009A CN110076315A CN 110076315 A CN110076315 A CN 110076315A CN 201910443009 A CN201910443009 A CN 201910443009A CN 110076315 A CN110076315 A CN 110076315A
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- runner
- flow passage
- passage structure
- glue
- feeder
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- 238000000465 moulding Methods 0.000 title claims abstract description 47
- 239000002184 metal Substances 0.000 claims abstract description 62
- 229910052751 metal Inorganic materials 0.000 claims abstract description 62
- 239000007788 liquid Substances 0.000 claims description 11
- 230000008719 thickening Effects 0.000 claims description 11
- 238000010992 reflux Methods 0.000 abstract description 4
- 238000010438 heat treatment Methods 0.000 description 45
- 238000009826 distribution Methods 0.000 description 42
- 208000015943 Coeliac disease Diseases 0.000 description 27
- 238000010586 diagram Methods 0.000 description 13
- 238000012360 testing method Methods 0.000 description 11
- 239000000463 material Substances 0.000 description 10
- 230000000694 effects Effects 0.000 description 9
- 238000009434 installation Methods 0.000 description 8
- 239000002994 raw material Substances 0.000 description 6
- 230000007704 transition Effects 0.000 description 6
- 238000010276 construction Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 3
- 239000003818 cinder Substances 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000013022 venting Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 229910001297 Zn alloy Inorganic materials 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 230000001186 cumulative effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 208000025396 ringed hair disease Diseases 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000036760 body temperature Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 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)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of flow passage structure and kirsite molding dies, the flow passage structure is provided in kirsite molding die, the flow passage structure is used to for molten metal being delivered to the glue-feeder of each cavity structure in kirsite molding die, and the flow passage structure includes: sprue；Runner, the sprue is connected to the glue-feeder, the runner includes leading portion runner and back segment runner, the leading portion runner is connected to the sprue and the back segment runner, the leading portion runner is Curved runner, the back segment runner is connect with the glue-feeder, and the size of the back segment runner is gradually increased on the direction towards the leading portion runner.The flow passage structure of the kirsite molding die of the application enables the molten metal in runner to be smoothly flowed into cavity structure, reduces the bad phenomenons such as molten metal reflux, promotes the quality of shaped article.
Description
Technical field
The present invention relates to technical field of metal formation more particularly to a kind of flow passage structures and kirsite molding die.
Background technique
Metal die casting be by molten metal liquid at a higher pressure, be at a high speed filled into casting die chamber,
And solidify molten metal in a high voltage state and form the process of die cast metal part, it is metal forming casting all at present
Highest one kind of efficiency in forming method.
For multimode product common mode when, according to Runner Balance degree, the molten metal filling time of cavity is easy to produce
Deviation keeps the balance of molten metal flowing particularly significant in die cast.The smoothness of molten metal flowing is molten metal
The key factor of flow equilibrium.Now commonly use the runner of kirsite molding die usually for the relatively straight of the runner design of mold, than
More single, in molten metal charging, flowing has some setbacks, and the resistance that molten metal flowing is subject to is larger, is easy to appear reflux etc. no
It is good, affect the quality of shaped article.
Summary of the invention
The present invention provides a kind of flow passage structure and kirsite molding dies, it is intended to solve existing kirsite molding die
Molten metal feed flow the problem of having some setbacks.
A kind of flow passage structure is provided according to the embodiment of the present application, the flow passage structure is provided with kirsite molding die
In, the flow passage structure is used to for molten metal being delivered to the glue-feeder of each cavity structure in kirsite molding die, the stream
Road structure includes: sprue；The sprue is connected to by runner with the glue-feeder, and the runner includes leading portion runner
With back segment runner, the leading portion runner is connected to the sprue and the back segment runner, and the leading portion runner is Curved runner,
The back segment runner is connect with the glue-feeder, the size of the back segment runner on the direction towards the leading portion runner by
It is cumulative big.
In flow passage structure of the invention, the back segment runner includes: drainage lumens, is connect with the leading portion runner；Guiding
Chamber, connects the drainage lumens and the glue-feeder, and the thickness of the drainage lumens is greater than the thickness of the directed cavity.
In flow passage structure of the invention, the junction of the both ends of the directed cavity and the glue-feeder is perpendicular to described
Glue-feeder.
In flow passage structure of the invention, the thickness of the directed cavity gradually subtracts on the direction far from the drainage lumens
It is small.
In flow passage structure of the invention, the back segment runner further include: thickening part, set on the end of the back segment runner
End；The depth of the thickening part is greater than the depth of the guide part.
In flow passage structure of the invention, the glue-feeder is located on the arc surface of the cavity structure.
In flow passage structure of the invention, the directed cavity is equipped with one and the circle with the junction of the glue-feeder
The vertical inclined-plane of cambered surface.
In flow passage structure of the invention, the flow passage structure further includes changeover portion, connects the sprue and described point
Runner.
In flow passage structure of the invention, the sprue is cylindrical flow, and the diameter of the sprue is towards institute
It states and is gradually increased on the direction of runner.
A kind of kirsite molding die, including above-mentioned flow passage structure are also proposed in the present invention.
Technical solution provided by the embodiments of the present application can include the following benefits: the application devises a kind of zinc conjunction
The flow passage structure of golden molding die, by the leading portion runner of curve and the back segment runner with the angled setting of cavity structure, so that
Molten metal in runner can be smoothly flowed into cavity structure, reduced the bad phenomenons such as molten metal reflux, promoted molding
The quality of product.
Detailed description of the invention
Technical solution in order to illustrate the embodiments of the present invention more clearly, below will be to required use in embodiment description
Attached drawing be briefly described, it should be apparent that, drawings in the following description are some embodiments of the invention, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is the structural schematic diagram of the kirsite molding die of the embodiment of the present invention；
Fig. 2 is partial sectional view of the kirsite molding die at A-A in Fig. 1；
Fig. 3 is the structural schematic diagram at one visual angle of hot runner system of the embodiment of the present invention；
Fig. 4 is the cross-sectional view of the hot runner system of the embodiment of the present invention；
Fig. 5 is the explosive view of the manifold structure of the embodiment of the present invention；
Fig. 6 is the structural schematic diagram at a visual angle of the flow distribution plate main body of the embodiment of the present invention；
Fig. 7 is the sectional view of the hot mouth main body of the kirsite molding die of the embodiment of the present invention；
Fig. 8 is the schematic diagram of the flow passage structure of existing kirsite molding die；
Fig. 9 is the schematic diagram of the flow passage structure of the kirsite molding die of one embodiment of the invention；
Figure 10 is the schematic diagram of the flow passage structure of the kirsite molding die of another embodiment of the present invention；
Figure 11 is a viewing angle constructions schematic diagram of the flow passage structure of the kirsite molding die of the embodiment of the present invention；
Figure 12 is another viewing angle constructions schematic diagram of the flow passage structure of the kirsite molding die of the embodiment of the present invention；
Figure 13 be in Figure 12 in the flow passage structure of kirsite molding die at A enlarged drawing；
Figure 14 be in Figure 11 in the flow passage structure of kirsite molding die at B enlarged drawing；
Figure 15 is a viewing angle constructions schematic diagram of the exhaust structure of the kirsite molding die of the embodiment of the present invention；
Figure 16 is the schematic diagram of the section structure of the exhaust structure of the kirsite molding die of another embodiment of the present invention；
Figure 17 is the schematic diagram of the section structure of the exhaust structure of the kirsite molding die of another embodiment of the present invention；
Figure 18 is the enlarged drawing in the exhaust structure of the kirsite molding die of Figure 17 at C；
Figure 19 is the enlarged drawing in the exhaust structure of the kirsite molding die of Figure 15 at D；
Figure 20 is a viewing angle constructions schematic diagram of the exhaust structure of the kirsite molding die of further embodiment of this invention；
Figure 21 is the enlarged drawing in the exhaust structure of the kirsite molding die of Figure 20 at F；
Figure 22 is the another viewing angle constructions schematic diagram of the exhaust structure of the kirsite molding die of the embodiment of the present invention；
Figure 23 is the enlarged drawing in the exhaust structure of the kirsite molding die of Figure 22 at E.
Label declaration:.
10, hot runner system；11, flow distribution plate main body；111, plate runner is shunted；1111, entrance channel；1112, outlet stream
Road；1113, connecting passage；112, mounting hole；113, it slots；1131, the first fluting；1132, the second fluting；1133, third is opened
Slot；114, leading flank；115, trailing flank；116, fixing groove；12, hot mouth main body；121, rank is installed；122, rank is heated；123, hot
Mouth runner；124, lantern ring；125, hot mouth set；1251, it is open；1252, holding tank；1253, guide part；126, sprue portion；
13, flow passage structure；131, sprue；132, runner；1321, leading portion runner；1322, back segment runner；13221, drainage lumens；
13222, directed cavity；13223, front end junction；13224, rear end junction；13225, inclined-plane；1323, thickening part；133, mistake
Cross runner；30, exhaust structure；31, discharge chamber；311, first order discharge chamber；312, second level discharge chamber；313, the third level is arranged
Air cavity；314, adapter cavity；315, auxiliary exhaust chamber；316, air discharge duct；40, cavity structure；41, arc surface；50, heating part；
51, flow distribution plate heating part；52, hot nozzle cannot heat portion；60, temperature-sensitive portion；61, flow distribution plate temperature-sensitive portion；611, the first temperature sensibility；612,
Second temperature sensibility；613, third temperature sensibility；62, hot mouth temperature-sensitive portion；70, preceding mould bases；80, rear mould bases；90, preceding mould fixed plate；
100, rear mold fixed plate；200, main filling mouth.
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 reality obtained by those of ordinary skill in the art without making creative efforts
Example is applied, shall fall within the protection scope of the present invention.
It is also understood that the term used in this description of the invention is merely for the sake of description specific embodiment
Purpose and be not intended to limit the present invention.As description of the invention and it is used in the attached claims, unless
Context clearly indicates other situations, and 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.
Referring to Figures 1 and 2, the kirsite molding die of one embodiment of the application includes hot runner system 10, exhaust structure
30, cavity structure 40, preceding mould bases 70, rear mould bases 80, preceding mould fixed plate 90, rear mold fixed plate 100, main filling mouth 200.Preceding mould bases
70, rear mould bases 80, preceding mould fixed plate 90 and rear mold fixed plate 100 are for installing hot runner system 10, exhaust structure 30 and type chamber
Structure 40.Hot runner system 10 is connect with cavity structure 40, and exhaust structure 30 is connect with cavity structure 40.Kirsite shaping mould
Molten metal raw material in the big gun mouth of tool are flowed into hot runner system 10 from main filling mouth 200, then again from hot runner system 10
It flows into the glue-feeder of cavity structure 40, subsequent molten metal is injected into cavity structure 40, to carry out shaped article.In product
When molding, extra molten metal can flow into exhaust structure 30 from cavity structure 40, to form exhaust material residue.In the present embodiment
In, molten metal is kirsite melt liquid.
Referring to Fig. 3-Fig. 5, in one alternate embodiment, hot runner system 10 includes flow distribution plate main body 11, at least two
Hot mouth main body 12, heating part 50, temperature-sensitive portion 60 and flow passage structure 13；At least two hot mouth main bodys 12 connect with flow distribution plate main body 11
Connect, in the present embodiment by with the quantity of hot mouth main body 12 be two progress explaining illustrations, it is possible to understand that ground, hot mouth main body 12
It can also be three, four etc.；Heating part is connected with flow distribution plate main body 11, hot mouth main body 12 simultaneously, and heating part 50 is for adding
Thermally shunt plate main body 11 and hot mouth main body 12；Surface of the temperature-sensitive portion simultaneously with the surface of flow distribution plate main body 11, hot mouth main body 12 connects
It connects, temperature-sensitive portion is used to detect the temperature of flow distribution plate main body 11 and hot mouth main body 12.Flow passage structure 13 is for connecting hot mouth main body
12 with the glue-feeder of cavity structure 40, in mold operation, molten metal successively passes through flow distribution plate main body 11,12 and of hot mouth main body
Flow passage structure 13 enters finally into cavity structure 40.
Flow distribution plate main body 11 includes the shunting plate runner 111 and mounting hole 112 set inside it.Plate runner 111 is shunted to set
In the medium position of flow distribution plate main body 11, shunting plate runner 111 includes an entrance channel 1111, at least two outlet flows
1112 and connect entrance channel 1111 and outlet flow 1112 connecting passage 1113, connecting passage 1113 is along flow distribution plate master
The length direction of body 11 is arranged, and at least two outlet flows 1112 and at least two hot mouth main bodys 12 correspond.Flow distribution plate stream
Molten metal in road 111 enters connecting passage 1113 from entrance channel 1111, finally distinguishes from least two outlet flows 1112
Outflow, to flow at least two hot mouth main bodys 12.
Please continue to refer to Fig. 5, mounting hole 112 is arranged along 11 length direction of flow distribution plate main body and runs through flow distribution plate master
The both ends of body 11, mounting hole 112 is for placing heating part 50.Connecting passage 1113 is arranged along 11 length direction of flow distribution plate main body,
Therefore the heating part 50 being placed in mounting hole 112 is parallel to connecting passage 1113, and the heating part 50 in mounting hole 112 is each
Part being equidistant to connecting passage 1113, heating part 50 are uniform to the molten metal heating effect in connecting passage 1113.Add
Flow distribution plate main body 11 heats from inside in hot portion 50, and temperature transmission effect is more preferable.It is shunted compared in the market heating member is set to
The scheme of plate outer surface, heating part is fast to 11 heating speed of flow distribution plate main body in the technical solution of the application, and heating efficiency is high.
The quantity of mounting hole 112 is set as two, and two mounting holes 112 are along the width direction of flow distribution plate main body 11
On about shunt plate runner 111 be symmetrical arranged.Be equipped with heating part 50 inside two mounting holes 112, with from two positions to point
Liquid in flowing plate runner 111 is heated, so that heating effect is more preferable, heating efficiency is high.
Referring to Fig. 4, Fig. 5 and Fig. 6,11 different location of flow distribution plate main body is placed with a plurality of fluting 113, these flutings are used for
Temperature-sensitive portion is installed, the temperature from 11 different location of flow distribution plate main body detects from different positions in temperature-sensitive portion, relative to existing
The scheme of some position in common only test flow distribution plate main body 11, the technical solution of the application is to 11 many places of flow distribution plate main body
Temperature is monitored, and is conducive to the monitoring to 111 inner metal liquid temperature of plate runner is shunted.
Fluting 113 include along two first flutings 1131, two second flutings 1132, third fluting 1133, these
Fluting is opened up all along 11 length direction of flow distribution plate main body, that is, first the 1131, second fluting 1132 of fluting and third fluting
1133 are parallel to the heating part for shunting plate runner 111 and being located in mounting hole 112, therefore these flutings are apart from flow distribution plate stream
Road 111 is equidistant, and this eliminates the influences that 111 many places temperature variations per hour of plate runner is shunted in test, so that each portion
The result of bit test is more accurate.
The same side of flow distribution plate main body 11 is arranged in two first flutings 1131, and about entrance channel 1111
It is symmetrical arranged, that is to say, that the temperature-sensitive part in each first fluting 1131 is not against metal in the connecting passage of half 1113
The temperature of liquid is detected.The connecting passage 1113 of two halves is connected to two hot mouth main bodys 12 by outlet flow 1112 respectively,
Each hot mouth main body 12 has respectively corresponded four cavity structures 40, therefore the temperature of every 1113 inner metal liquid of half-connection runner
It is just closely bound up with the quality of corresponding four shaped articles.When the corresponding cavity structure 40 of the same hot mouth main body 12
When product occurs abnormal, the temperature that the temperature-sensitive portion in corresponding first fluting 1131 detects also has exception, therefore facilitates use
Monitoring of the family to mold.
Referring to Fig. 4 and Fig. 5, two first flutings 1131 are set point-blank, and the length of the first fluting 1131 is big
Cause be 1113 length of connecting passage half, i.e., first fluting 1131 total length substantially with the length phase of connecting passage 1113
Deng, so that the end setting of the first fluting 1131 is near 1113 end of connecting passage at position, the first fluting 1131 at this time
Distance of the interior temperature-sensitive portion apart from connecting passage 1113 is nearest, and the temperature of test is also more nearly metal in connecting passage 1113
The temperature of liquid.If the length of the first fluting 1131 is too long, the length in the temperature-sensitive portion in the first fluting 1131 is also longer, waste
Material, the temperature of test are also inaccurate.
Referring to Figures 5 and 6, the second fluting 1132 is arranged in flow distribution plate main body 11 and the first 1131 opposite sides of fluting
On.Such as first fluting 1131 be arranged on the leading flank 116 of flow distribution plate main body 11, the second fluting 1132 is arranged in flow distribution plate
On the trailing flank 117 of main body 11.Second fluting 1132 length less than first fluting 1131 length, and second fluting
1132 are arranged near the both ends position of connecting passage 1113, so that the temperature-sensitive portion in the second fluting 1132 is from another
The temperature of molten metal at 1113 end positions of connecting passage is detected a position.Since two mounting holes 112 are symmetrically set
It sets, the leading flank 116 of flow distribution plate main body 11 and the temperature close of trailing flank 117, so the temperature tested at the second fluting 1132
With the temperature close tested at the first fluting 1131, pass through test result and first fluting in temperature-sensitive portion in the second fluting 1132
The test result in temperature-sensitive portion compares in 1131, can determine whether the heating part in mounting hole 112 exception occurs, if
There is failure in heating part in some mounting hole 112, then the test result in the temperature-sensitive portion in the second fluting 1132 is opened with first
The test result in temperature-sensitive portion can differ larger in slot 1131.
Third fluting 1133 is arranged on the leading flank 116 or trailing flank 117 of flow distribution plate main body 11, third fluting
1133 substantially at the end position of face entrance channel 1111.The temperature-sensitive portion in third fluting 1133 is apart from inlet flow channel at this time
End position it is nearest, the temperature at entrance channel 1111 is detected, if temperature occurs abnormal herein, then illustrates mould
There is the part that raw material is heated to be molten metal abnormal in tool.
It is appreciated that in some embodiments, the temperature-sensitive portion in the second fluting 1132 and the second fluting 1132 can not be set
It sets.Temperature-sensitive portion in third fluting 1133 and third fluting 1133 can also be not provided with, only by the first fluting 1131
The temperature of connecting passage 1113 is detected in temperature-sensitive portion.
Referring to Fig. 4 and Fig. 7, hot mouth main body 12 is stepped shaft structure, and hot mouth main body 12 includes installation rank 121 and heating
The diameter of rank 122, heating rank 122 is less than the diameter of installation rank 121.Installation rank 121 connect with the flow distribution plate main body 11, adds
Hot portion is set to the outside of heating rank 122, heats to hot mouth main body 12.Mounting groove is additionally provided on the surface of heating rank 122
(not indicating in figure), mounting groove realize the temperature detection to hot mouth main body 12 for placing temperature-sensitive portion 60.In hot mouth main body 12
Portion offers hot mouth runner 123, the outlet flow 1112 in the hot mouth runner 123 in hot mouth main body 12 and shunting plate runner 111
Connection.Molten metal flows into hot mouth runner 123 from plate runner 111 is shunted, and is then flowed into flow passage structure from hot mouth runner 123 again
In 13, then flow in each cavity structure 40, with shaped article.Now common Zinc alloy die generallys use a mainstream
The cold runner structure in road 131, therefore the mouth of a river volume generated is larger, weight is larger.And this programme is then using at least two
The hot runner structure of a hot mouth main body 12, each at least two hot mouth main bodys 12 connect the cavity structure 40 of identical quantity,
Therefore the size of sprue 131 is significantly smaller, and the sum of the mouth of a river weight that at least two sprues 131 are formed also is significantly smaller than
The weight at the mouth of a river that current cold runner structure generates, mouth of a river weight are reduced to 70g by original 135g and have saved cost.
Referring to Fig. 3, Fig. 8 and Fig. 9, the Zinc alloy die of single hot mouth cold runner structure, the cross of single sprue 131a are now commonly used
Sectional area needs the cross-sectional area sum greater than eight runners, so the size of single sprue 131a is very big, the ruler at the mouth of a river
It is very little also huge, raw material are wasted, and also molding time is long.Each hot mouth main body 12 in the present embodiment connects a master
Runner 131, each sprue 131 connect four runners 132, and each runner 132 connects a cavity structure 40, at
Type product.The cross-sectional area of the corresponding sprue 131 of each hot mouth main body 12, greater than four runners 132 cross-sectional area it
With reduce the volume and weight of raw material.
Referring to Fig. 7, in one alternate embodiment, hot mouth main body 12 further includes sprue portion 126, close to heating rank
The inside in sprue portion 126, and sprue 131 and 123 phase of hot mouth runner is arranged in 122 settings, the sprue 131 of mold
Connection.Sprue portion 126 is wholely set with heating rank 122.
Referring once again to Fig. 7, in an alternative embodiment, heats the heating part 50 outside rank 122 and be wound around heating rank
122 pili annulati gas ket, pili annulati gas ket heat hot mouth main body 12 from the circumference of hot mouth main body 12, homogeneous heating, it is ensured that
The temperature of hot mouth main body 12, improves the quality of shaped article.Lantern ring is also arranged with outside heating part outside heating rank 122
124, lantern ring 124 is connect with hot mouth main body 12.Protection heating can be played using the outside that lantern ring 124 is set in heating part
The effect in portion and hot mouth main body 12.
Referring to Fig.1, Fig. 2 and Fig. 7, hot mouth main body 12 further include hot mouth set 125, the preceding mould bases 70 of hot mouth set 125 and mold
It abuts.Preceding mould bases 70 is equipped with hot mouth slot (not indicating in Fig. 2), and hot mouth set 125 is mounted at hot mouth groove location, hot mouth main body
12 heating rank 122 successively wears hot mouth set 125 and hot mouth slot.Hot mouth set 125 is equipped with the through-hole (figure passed through for heating rank 122
In do not indicate), the diameter of through-hole is greater than the diameter of heating rank 122, and is less than the diameter of installation rank 121, therefore installs rank
121 are bonded close to the end face of heating rank 122 with the end face of hot mouth set 125, and installation rank 121 passes through hot mouth set 125 and preceding mould bases 70
Connection.If being not provided with hot mouth set 125, after long-time is using mold, hot mouth main body 12 be may be damaged, it is necessary to replace
Hot mouth main body 12, increases maintenance cost.
Hot mouth set 125 is equipped with a holding tank 1252, and installation rank 121 is placed in this holding tank 1252, installs rank
Cooperation between 121 outer wall and the side wall of holding tank 1252 is gap-matched.It covers in hot mouth and is opened on 125 side walls equipped with one
Mouth 1251, heating part and temperature-sensitive portion are stretched out from opening 1251.It is additionally provided with guide part 1253 at the opening 1251 of holding tank 1252,
Guide part 1253 plays a part of that installation rank 121 is facilitated to be installed to holding tank 1252.Guide part 1253 can using chamfering structure or
It is other structures, herein with no restrictions.
Referring to Fig. 5 and Fig. 7, heating part 50 includes flow distribution plate heating part 51 and hot nozzle cannot heat portion 52, flow distribution plate heating part 51
In mounting hole 112, flow distribution plate heating part 51 is for heating flow distribution plate main body 11,52 sets of hot nozzle cannot heat portion
It is located at outside the heating rank 122 in hot mouth main body 12, hot mouth main body 12 is heated.Hot nozzle cannot heat portion 52 from opening 1251
Middle stretching hot mouth set 125.
Referring once again to Fig. 4, Fig. 5, Fig. 6 and Fig. 7, temperature-sensitive portion 60 includes flow distribution plate temperature-sensitive portion 61 and hot mouth temperature-sensitive portion 62,
Flow distribution plate temperature-sensitive portion 61 includes the first temperature sensibility 611, the second temperature sensibility 612 and third temperature sensibility 613.First temperature sensibility 611 is set
It sets in the first fluting 1131, in the second fluting 1132, third temperature sensibility 613 is arranged in third the setting of the second temperature sensibility 612
In fluting 1133.Hot mouth temperature-sensitive portion 62 extends to the side of installation rank 121 from heating rank 122, finally opening from hot mouth set 125
It is stretched out in mouth 1251.Several fixing grooves are additionally provided on first the 1131, second fluting 1132 of fluting and third fluting 1133
118, the first temperature sensibility 611, the second temperature sensibility 612 and third temperature sensibility 613 are fixed on by flow distribution plate main body by fixing piece
On 11.Two the second temperature sensibilities 612 are set in flow distribution plate main body 11 to be arranged close to the both ends of connecting passage 1113, third temperature-sensitive
Part 613 is set to the end in flow distribution plate main body 11 on entrance channel 1111 far from connecting passage 1113 and is arranged.Second temperature-sensitive
The length of part 612 and third temperature sensibility 613 is respectively less than the length of the first temperature sensibility 611, and the second temperature sensibility 612 is for the company of test
The temperature at 1113 both ends of runner is connect, third temperature sensibility 613 is used for the temperature of test access channel end.Wherein, the first temperature sensibility
611, the second temperature sensibility 612 and third temperature sensibility 613 can use thermocouple temperature sensitive line.
Referring to Fig.1 0, it is the molding runner model of flow passage structure of the kirsite molding die of one embodiment of the invention, it should
The shape of runner model is corresponding with flow passage structure, for the flow passage structure of more directviewing description mold, uses runner model herein
To illustrate the flow passage structure of mold.Flow passage structure 13 includes sprue 131, transition runner 133 and multiple runners 132, transition
Runner 133 is used to connect the end of sprue 131 and the starting point of each runner 132.This structure facilitates sprue 131
Molten metal is uniformly flowed into each runner 132.
In one alternate embodiment, sprue 131 is cylindrical flow, and the diameter of sprue 131 is towards transition flow
It is gradually increased on the direction in road 133, this structure facilitates mouth of a river depanning after molding.The cross-sectional area of sprue 131 is greater than each point
The summation of the cross-sectional area of runner 132, this structure ensure that molten metal filing is diverted into each runner 132.
As shown in Figure 10 and Figure 11, transition runner 133 is set as circular configuration.One end face of circular transition runner 133
It is connect with sprue 131, other end is connect with multiple runners 132.Molten metal meeting before entering each runner 132
Circular transition runner 133 is first passed through, then molten metal flows into each runner 132 again, flows into the gold of each runner 132
It is generally uniform to belong to liquid, reduces molten metal and unevenly enters each runner 132, improve each molding
The consistency of product.
0 and Figure 13 referring to Fig.1, runner 132 include leading portion runner 1321 and back segment runner 1322, leading portion runner 1321
Connection sprue 131 and back segment runner 1322, back segment runner 1322 are connect with the glue-feeder of cavity structure 40, leading portion runner
1321 are set as Curved runner, and Curved runner ensure that the smoothness of runner inner metal liquid flowing, avoid flowing due to molten metal
It is obstructed and causes the bad phenomenons such as air inclusion, be filled molten metal preferably to cavity structure 40.
In one alternate embodiment, the cross-sectional area of leading portion runner 1321 is on the direction towards back segment runner 1322
It is gradually reduced, with the flowing of the molten metal in runner, the speed of molten metal can be lost.Runner cross-sectional area setting in by
Decrescence small state, molten metal is acceleration mode during ensure that filling, is conducive to molten metal well into each type chamber
It is formed in structure 40, improves shaped article quality.
0, Figure 12 and Figure 13 referring to Fig.1, back segment runner 1322 and cavity structure 40 are arranged in angle, make back segment runner
The distance between 1322 and cavity structure 40 are gradually increased on the direction towards leading portion runner 1321.Back segment runner 1322 with
Angle between cavity structure 40 can be 20 ゜ -70 ゜.This structure is the molten metal reflux in runner in order to prevent, to product
Quality affect.The glue-feeder of cavity structure 40 is a strip mouth, back segment runner 1322 from a side of glue-feeder into
The other side of Jiao Kou extends, back segment runner 1322 at a distance from cavity structure 40 on the direction towards leading portion runner 1321 by
Cumulative big, this structure is conducive to the smoothness of the flowing of the molten metal inside runner.If back segment runner 1322 everywhere with cavity structure
40 are equidistant, that is, back segment runner 1322 is arranged in parallel with cavity structure 40, then the separate mainstream of cavity structure 40
The one end in road 131 will influence the Forming Quality of product compared with molten metal is received after the other end.
In one alternate embodiment, back segment runner 1322 includes drainage lumens 13221 and directed cavity 13222, drainage lumens
13221 connect with leading portion runner 1321, and directed cavity 13222 connects the glue-feeder of drainage lumens 13221 and cavity structure 40, lead
The molten metal in drainage lumens 13221 is imported in cavity structure 40 to chamber 13222, to be formed.
The glue-feeder of cavity structure 40 is generally disposed at the medium position of cavity structure 40.The thickness of directed cavity 13222 is set
Be set to the thickness less than drainage lumens 13221, the setting of this structure be in order to enable the molten metal in back segment runner 1322 accelerate into
Enter, so that molten metal is full of cavity structure 40.
Referring to Fig.1 3, in one alternate embodiment, the both ends and glue-feeder two sides junction of directed cavity 13222 are substantially
Perpendicular to glue-feeder.This structure makes the vertical glue-feeder of molten metal in back segment runner 1322, facilitates molten metal full of type chamber knot
Structure 40 facilitates the promotion of shaped article quality.
Specifically, the front end junction 13223 of directed cavity 13222 is connect with the front end of the glue-feeder of cavity structure 40, is led
To the front end of chamber 13222 perpendicular to glue-feeder；The rear end junction 13224 of directed cavity 13222 and the glue-feeder of cavity structure 40
Rear end connection, the rear end of directed cavity 13222 perpendicular to the glue-feeder of cavity structure 40 rear end, i.e., in directed cavity 13222
Molten metal is all vertically into cavity structure 40.It is appreciated that the both ends and glue-feeder junction of directed cavity 13222 can not also
Perpendicular to glue-feeder, for example the both ends of directed cavity 13222 and the angle of glue-feeder junction are within the scope of 70 ゜ -110 ゜.
In one alternate embodiment, the thickness of directed cavity 13222 is from one end close to leading portion runner 1321 to far from before
One end of Duan Liudao 1321 is gradually reduced.In acceleration when the setting of this structure is to make molten metal enter cavity structure 40
State, it is ensured that molten metal is full of cavity structure 40, reduces product defect rate, promotes the quality of shaped article.
Specifically, for connecting drainage lumens 13221 and glue-feeder, the thickness of directed cavity 13222 is leaning on directed cavity 13222
Maximum at nearly drainage lumens 13221, the thickness of directed cavity 13222 is minimum at close glue-feeder, and the thickness of glue-feeder can be accomplished
0.25mm, make molten metal glue-feeder speed within the scope of 50-60m/s, avoid mold insert from erosion phenomenon occur, so as to cause
The reduced lifetime of mold.
Figure 10 and Figure 13 are please referred to, in one alternate embodiment, back segment runner 1322 further includes thickening part 1323, is added
Thick portion 1323 is set to the one end of back segment runner 1322 far from leading portion runner 1321, and wherein the thickness of thickening part 1323 is greater than guiding
The thickness of chamber 13222.Molten metal is flowed into back segment runner 1322 far close to one end of leading portion runner 1321 from back segment runner 1322
During leading portion runner 1321, speed has certain loss, it is possible that it is separate to flow to back segment runner 1322
The case where one end of leading portion runner 1321, this will affect the Forming Quality of product, and the setting of this structure is to further ensure that
Molten metal can flow to the one end of cavity structure 40 far from leading portion runner 1321.Runner model is the upper cores by mold under
The groove opened up on mode is formed, and the thickness of thickening part 1323 is big, that is to say, that the depth of the corresponding groove in thickening part 1323
Deep, the bottom surface of 1323 respective slot of thickening part is lower than the bottom surface of 13222 respective slot of directed cavity, and liquid can be preferentially toward lower stream
It is dynamic.So this structure makes molten metal first flow to thickening part 1323, reducing molten metal cannot flow into cavity structure 40 far from before
The probability of 1321 side Duan Liudao, improves the quality of product.
As shown in Figure 11 and Figure 14, in one alternate embodiment, the glue-feeder of cavity structure 40 is provided with type chamber knot
On the arc surface 41 of structure 40.The junction of directed cavity 13222 and glue-feeder is equipped with an inclined-plane 13225, inclined-plane 13225 and circle
Cambered surface 41 is vertical.For amechanical angle, this structure directly gets rid of the mouth of a river after facilitating formed product, avoid glue-feeder more expect or
The generation for a problem that lacking material.
Referring to Fig.1 5, it is the molding exhaust material residue of exhaust structure of the kirsite molding die of one embodiment of the invention, row
The shape of gas material residue is corresponding with exhaust structure, and for the exhaust structure of more intuitive description mold, this is in exhaust material residue
To illustrate the exhaust structure of mold.Exhaust structure is used to eliminate the stomata of shaped article, exhaust structure include front cavity ontology and
Rear cavity ontology, front cavity ontology are equipped with preceding parting line venting chamber, and rear cavity ontology is equipped with rear mold discharge chamber, front cavity ontology
It is connect with rear cavity ontology, preceding parting line venting chamber and rear mold discharge chamber collectively form discharge chamber 31.
Discharge chamber 31 is connected with cavity structure 40, and the shape of the bottom wall surface of discharge chamber 31 is undaform.Now commonly use
Mold in order to save space, exhaust structure includes cinder ladle mostly and surface is the discharge chamber of plane, due to cinder ladle volume compared with
Greatly, the waste of raw material is caused.The scheme of the application does not design cinder ladle, directlys adopt the discharge chamber 31 that surface is undaform
It is exhausted, the discharge chamber 31 of undaform increases the instroke of discharge chamber 31, in the premise for the quality for guaranteeing shaped article
Under reduce the wastes of raw material.
In one alternate embodiment, the global shape of discharge chamber 31 is set as linear structure, the wave of discharge chamber 31
Gas in cavity structure 40 is discharged in the form of wave on wave type surface, increases the stroke of exhaust；And it is vented with plane
Chamber is compared, and the occupied space of discharge chamber is reduced.
Referring to Fig.1 6, in one alternate embodiment, the junction of discharge chamber 31 and cavity structure 40 is exhaust outlet, is
Convenience gets rid of the exhaust material residue generated in process of production, exhaust outlet is arranged on the arc surface of cavity structure 40, is vented
Arc surface of the part of chamber 31 being connect with cavity structure perpendicular to cavity structure 40.
The size for the part that discharge chamber 31 is connect with cavity structure 40 is greater than the part far from cavity structure 40, for example arranges
The segment thickness of the close cavity structure of air cavity 31 is 0.5mm, and the thickness of the other parts of discharge chamber is between 0.3-0.4mm.
Therefore the intensity for the part that discharge chamber 31 is connect with cavity structure 40 is greater than other parts, and user is avoided to get rid of exhaust material residue
When, disconnected exhaust material residue is broken from other positions, causes exhaust material residue not broken completely and removes.
Referring once again to Figure 16, in an alternative embodiment, exhaust is equipped on front cavity ontology or rear cavity ontology
Slot 316, air discharge duct 316 are connect with discharge chamber 31 far from one end of cavity structure 40, and air discharge duct 316 is connected to discharge chamber 31
The outside of discharge chamber 31 and rear cavity ontology is connected to front cavity ontology or air discharge duct 316, so that in discharge chamber 31
Gas discharge.The depth of air discharge duct is 0.3mm.
As shown in Figure 17 and Figure 18, in one alternate embodiment, discharge chamber 31 includes first order discharge chamber 311 and the
Secondary exhaust chamber 312, first order discharge chamber 311 are connect with cavity structure 40, second level discharge chamber 312 and first order discharge chamber
311 connect in angle.This structure further reduces discharge chamber 31 and occupies the space of mold, and increases discharge chamber 31
The stroke of exhaust improves the quality of shaped article.
Specifically, the angle between second level discharge chamber 312 and first order discharge chamber 311 is set as 90 ゜, the row of increasing
The stroke that air cavity 31 is vented.Angle between second level discharge chamber 312 and first order discharge chamber 311 may be set to be other
Angle, without limitation, angle is that 90 ゜ are one of embodiment.
Please continue to refer to Figure 18, in one alternate embodiment, discharge chamber 31 further includes third level discharge chamber 313, third
Grade discharge chamber 313 is connect with second level discharge chamber 312 in angle, is added third level discharge chamber 313 and is further increased discharge chamber
The stroke of 31 exhaust.Due to the limitation of die size, the feelings of first order discharge chamber 311 and second level discharge chamber 312 are only set
Under condition, exhaust effect is not so good, may cause the bad of shaped article, adds a third level discharge chamber 313, maximumlly
It saves discharge chamber and occupies the space of mold, and increase the stroke of the exhaust of discharge chamber 31, promote the quality of shaped article.
Specifically, second level discharge chamber 312 one end connect first order discharge chamber 311, second level discharge chamber 312 it is another
One end connects third level discharge chamber 313, and first order discharge chamber 311 and third level discharge chamber 313 are respectively arranged on the second level row
312 two sides of air cavity.Angle between third level discharge chamber 313 and second level discharge chamber 312 is set as 90 ゜, successively using three
In the discharge chamber that angle connects, instroke is increased, and saves the space that discharge chamber occupies mold.Third level exhaust
Angle between chamber 313 and second level discharge chamber 312 can be set to other angles, and this is not restricted.
It is to be appreciated that more stages discharge chamber can also be arranged in the case where die size allows.Such as the fourth stage
Discharge chamber and level V discharge chamber, fourth stage discharge chamber and third level discharge chamber 313 are arranged in angle, level V discharge chamber and
Fourth stage discharge chamber is arranged in angle, has maximumlly increased the instroke of discharge chamber, promotes exhaust effect, promotes molding and produces
Quality.
Referring to Fig.1 9, in one alternate embodiment, discharge chamber 31 further includes adapter cavity 314, one end of adapter cavity 314
It is connect with cavity structure 40, the other end of adapter cavity 314 is connect with first order discharge chamber 311.Adapter cavity 314 and cavity structure
40 junction is the exhaust outlet of mold.Wherein, the cross-sectional area of exhaust outlet is less than first order discharge chamber 311 and adapter cavity
The cross-sectional area of 314 junctions, the design of this structure are to be discharged in order to facilitate the gas in cavity structure 40 from exhaust outlet.Gas
Body is easily flowed into from lesser environment into biggish environment, and the exhaust of convenient discharge chamber improves exhaust effect, thus
Promote the quality of shaped article.
In one alternate embodiment, first order discharge chamber 311 is set as horn discharge chamber, first order discharge chamber 311
Width be gradually increased from the one end connected with adapter cavity 314 to the one end connected with second level discharge chamber 312.According to gas
The characteristics of flowing, the exhaust of this structure easy to exhaust chamber.
Specifically, the width of first order discharge chamber 311 is less than the width of second level discharge chamber 312, second level discharge chamber
312 width is less than the width of third level discharge chamber 313.This this structure is all the characteristics of gas flowing is utilized, to facilitate row
Gas；And in such a way that multistage is turned round, it is bad to avoid material spray etc. in production for multi-buffer, maximum easy to exhaust
The generation of phenomenon.
Referring to Figure 20 and Figure 21, in one alternate embodiment, second level discharge chamber 312 is also configured as horn exhaust
The width of chamber, second level discharge chamber 312 is gradually increased on the direction towards second level discharge chamber, the exhaust of easy to exhaust chamber.The
The minimum value of 312 width of secondary exhaust chamber is more than or equal to the maximum value of 311 width of first order discharge chamber.
In an alternative embodiment, third level discharge chamber 313 is set as horn discharge chamber, third level discharge chamber 313
Width is gradually reduced on the direction towards second level discharge chamber 312, and the minimum widith of third level discharge chamber is more than or equal to second
The maximum width of grade discharge chamber.Air-flow is transferred to third level discharge chamber 313, third level discharge chamber from second level discharge chamber 312
313 width is gradually increased on separate 312 direction of second level discharge chamber, easy to exhaust.
It is appreciated that fourth stage discharge chamber and level V discharge chamber may be set to be horn discharge chamber, fourth stage row
Air cavity and level V discharge chamber are gradually increased on the direction that air-flow flows, easy to exhaust.
Referring to Fig.1 9, in one alternate embodiment, discharge chamber 31 further includes auxiliary exhaust chamber 315, and adapter cavity 314 is logical
Auxiliary exhaust chamber 315 is crossed to connect with a side with larger plane of cavity structure 40.Optimize the exhaust of discharge chamber 31
Effect, the surface for reducing shaped article are bad.
Specifically, one end of auxiliary exhaust chamber 315 is connect with adapter cavity 314, a side of the other end and cavity structure 40
Face connection.The scheme of the application reduces the volume of discharge chamber exhaust, increases the instroke of discharge chamber, but may be
It is bad that water wave etc. is formed on the biggish side of shaped article, it is bad in order to remove these water waves, increase an auxiliary exhaust
Chamber 315 guarantees the quality of shaped article.
Referring to Figure 22 and Figure 23, in an alternative embodiment, the preceding parting line venting chamber on front cavity ontology is half undaform
Chamber, the rear mold discharge chamber on rear cavity ontology are the other half undaform chamber.The thickness D of waveform exhaust is arranged in 0.3-0.4mm
Between, the weight of exhaust is about the 40%-50% of product weight, and the overall length of exhaust can be set in 60mm or more, increases mould
The exhaust effect of tool improves the quality of product.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, appoints
What those familiar with the art in the technical scope disclosed by the present invention, can readily occur in various equivalent modifications
Or replacement, these modifications or substitutions should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention is answered
It is subject to the protection scope in claims.
Claims (10)
1. a kind of flow passage structure, the flow passage structure is provided in kirsite molding die, and the flow passage structure is used for metal
Liquid is delivered to the glue-feeder of each cavity structure in kirsite molding die, which is characterized in that the flow passage structure includes:
Sprue；
The sprue is connected to by runner with the glue-feeder, and the runner includes leading portion runner and back segment runner, described
Leading portion runner is connected to the sprue and the back segment runner, and the leading portion runner is Curved runner, the back segment runner and institute
Glue-feeder connection is stated, the size of the back segment runner is gradually increased on the direction towards the leading portion runner.
2. flow passage structure according to claim 1, which is characterized in that the back segment runner includes:
Drainage lumens are connect with the leading portion runner；
Directed cavity, connects the drainage lumens and the glue-feeder, and the thickness of the drainage lumens is greater than the thickness of the directed cavity.
3. flow passage structure according to claim 2, which is characterized in that the company at the both ends of the directed cavity and the glue-feeder
Place is met perpendicular to the glue-feeder.
4. flow passage structure according to claim 2, which is characterized in that the thickness of the directed cavity is far from the drainage lumens
Direction on be gradually reduced.
5. flow passage structure according to claim 2, which is characterized in that the back segment runner further include:
Thickening part, set on the end of the back segment runner；
The depth of the thickening part is greater than the depth of the directed cavity.
6. flow passage structure according to claim 2, which is characterized in that the glue-feeder is located at the circular arc of the cavity structure
On face.
7. flow passage structure according to claim 6, which is characterized in that the junction with the glue-feeder of the directed cavity
Equipped with an inclined-plane vertical with the arc surface.
8. flow passage structure according to claim 1, which is characterized in that the flow passage structure further include:
Changeover portion connects the sprue and the runner.
9. flow passage structure according to claim 1, which is characterized in that the sprue is cylindrical flow, the mainstream
The diameter in road is gradually increased on the direction towards the runner.
10. a kind of kirsite molding die, which is characterized in that including the flow passage structure as described in claim any one of 1-9.
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| CN201910443009.2A CN110076315A (en) | 2019-05-26 | 2019-05-26 | Flow passage structure and kirsite molding die |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910443009.2A CN110076315A (en) | 2019-05-26 | 2019-05-26 | Flow passage structure and kirsite molding die |
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