CN110090926A - Exhaust structure and kirsite molding die - Google Patents
Exhaust structure and kirsite molding die Download PDFInfo
- Publication number
- CN110090926A CN110090926A CN201910443014.3A CN201910443014A CN110090926A CN 110090926 A CN110090926 A CN 110090926A CN 201910443014 A CN201910443014 A CN 201910443014A CN 110090926 A CN110090926 A CN 110090926A
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- discharge chamber
- cavity
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- exhaust
- runner
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- 238000000465 moulding Methods 0.000 title claims abstract description 41
- 238000013022 venting Methods 0.000 claims abstract description 9
- 230000008030 elimination Effects 0.000 claims 1
- 238000003379 elimination reaction Methods 0.000 claims 1
- 239000002994 raw material Substances 0.000 abstract description 9
- 238000010438 heat treatment Methods 0.000 description 48
- 238000009826 distribution Methods 0.000 description 42
- 239000002184 metal Substances 0.000 description 42
- 229910052751 metal Inorganic materials 0.000 description 42
- 208000015943 Coeliac disease Diseases 0.000 description 23
- 239000000463 material Substances 0.000 description 15
- 238000010586 diagram Methods 0.000 description 13
- 239000007788 liquid Substances 0.000 description 11
- 238000012360 testing method Methods 0.000 description 11
- 230000000694 effects Effects 0.000 description 9
- 238000009434 installation Methods 0.000 description 8
- 230000008719 thickening Effects 0.000 description 6
- 230000007704 transition Effects 0.000 description 6
- 239000003818 cinder Substances 0.000 description 5
- 238000010276 construction Methods 0.000 description 5
- 239000002699 waste material Substances 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910001297 Zn alloy Inorganic materials 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
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- 208000025396 ringed hair disease Diseases 0.000 description 2
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
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- 230000015572 biosynthetic process Effects 0.000 description 1
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- 238000001514 detection method Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 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
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- 229910052737 gold Inorganic materials 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/08—Features with respect to supply of molten metal, e.g. ingates, circular gates, skim gates
- B22C9/082—Sprues, pouring cups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/20—Stack moulds, i.e. arrangement of multiple moulds or flasks
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D27/00—Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting
- B22D27/04—Influencing the temperature of the metal, e.g. by heating or cooling the mould
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of exhaust structure and kirsite molding dies, and wherein exhaust structure eliminates the stomata of product for kirsite molding die shaped article, and front cavity ontology is equipped with preceding parting line venting chamber；Rear cavity ontology is equipped with rear mold discharge chamber；Wherein, the rear cavity ontology is connected with the front cavity ontology, and the preceding parting line venting chamber and the rear mold discharge chamber combine to form discharge chamber, and the discharge chamber is connected with the cavity structure of mold, and the shape of the bottom wall surface of the discharge chamber is undaform.The surface shape of discharge chamber is set undaform by the application, increases instroke, saves raw material.
Description
Technical field
The present invention relates to technical field of metal formation more particularly to a kind of exhaust structures and kirsite molding die.
Background technique
Currently, often causing product bad since exhaust is bad, the surface that shows as on product has in mold production
Bubble is now equipped with the biggish cinder ladle of volume, then to reduce the generation of this phenomenon mostly on common kirsite molding die
Exhaust is opened up again.The volume of cinder ladle is larger, this also just forms biggish material residue during formed product, causes a large amount of original
Waste of material.
It is this field urgent problem to be solved therefore, it is necessary to design a exhaust structure for saving raw material.
Summary of the invention
The present invention provides a kind of exhaust structure and kirsite molding dies, it is intended to solve existing kirsite molding die
The problem of wastage of material.
According to the exhaust structure of the embodiment of the present application, the exhaust structure is used in kirsite molding die shaped article
The stomata of product is eliminated, the exhaust structure includes: front cavity ontology, is equipped with preceding parting line venting chamber；Rear cavity ontology is equipped with rear mold
Discharge chamber；Wherein, the rear cavity ontology is connected with the front cavity ontology, the preceding parting line venting chamber and the rear mold discharge chamber
Combination forms discharge chamber, and the discharge chamber is connected with the cavity structure of the kirsite molding die, the bottom of the discharge chamber
The shape of wall surface is undaform.
In the exhaust structure of the present embodiment, the discharge chamber is linear structure.
In the exhaust structure of the present embodiment, the discharge chamber includes: first order discharge chamber, is connected with the cavity structure
It connects；Second level discharge chamber is connect with the first order discharge chamber in angle.
In the exhaust structure of the present embodiment, the discharge chamber further include: third level discharge chamber is vented with the second level
Chamber is connected in angle.
In the exhaust structure of the present embodiment, one end of the second level discharge chamber connects the first order discharge chamber, institute
The other end for stating second level discharge chamber connects the third level discharge chamber, the first order discharge chamber and the third level discharge chamber
It is respectively arranged on second level discharge chamber two sides.
In the exhaust structure of the present embodiment, the discharge chamber further include: adapter cavity, the first order discharge chamber pass through institute
It states adapter cavity to connect with the cavity structure, the adapter cavity is greater than institute with the sectional area of first order discharge chamber junction
State the sectional area with the cavity structure junction of adapter cavity.
In the exhaust structure of the present embodiment, the width of the first order discharge chamber is towards the second level discharge chamber
It is gradually increased on direction；And/or the second level discharge chamber is gradually increased on the direction towards the third level discharge chamber；
And/or the third level discharge chamber is gradually reduced on the direction towards the second level discharge chamber.
In the exhaust structure of the present embodiment, the width for stating first order discharge chamber is less than the second level discharge chamber
Width.
In the exhaust structure of the present embodiment, the width of the second level discharge chamber is less than the width of the third level discharge chamber
Degree.
The present invention also proposes a kind of and kirsite molding die, including above-mentioned exhaust structure.
Technical solution provided by the embodiments of the present application can include the following benefits: the application devises a kind of exhaust knot
Structure is exhausted by using the mode of undaform discharge chamber, saves raw material, and increase instroke.
Detailed description of the invention
Technical solution in order to illustrate the embodiments of the present invention more clearly, below will be to needed in embodiment description
Attached drawing is briefly described, it should be apparent that, drawings in the following description are some embodiments of the invention, general for this field
For logical technical staff, without creative efforts, it is also possible to obtain other drawings based on these drawings.
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 19 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 vented
Chamber；314, adapter cavity；315, auxiliary exhaust chamber；316, air discharge duct；40, cavity structure；41, arc surface；50, heating part；51, divide
Flowing 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, the second sense
Warm part；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 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.
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 molding die
Big gun mouth in molten metal raw material be flowed into hot runner system 10 from main filling mouth 200, then again from hot runner system 10 flow
In the glue-feeder for entering cavity structure 40, subsequent molten metal is injected into cavity structure 40, to carry out shaped article.In formed product
When, extra molten metal can flow into exhaust structure 30 from cavity structure 40, to form exhaust material residue.In the present embodiment, golden
Category liquid 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 progresss explaining illustrations, it is possible to understand that ground, hot mouth main body 12 and also
It can 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 heating
Flow distribution plate main body 11 and hot mouth main body 12；Temperature-sensitive portion is connect with the surface on the surface of flow distribution plate main body 11, hot mouth main body 12 simultaneously,
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 for connect 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, hot mouth main body 12 and runner knot
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 main body
11 both ends, mounting hole 112 is for placing heating part 50.Connecting passage 1113 is arranged along 11 length direction of flow distribution plate main body, because
This heating part 50 being placed in mounting hole 112 is parallel to connecting passage 1113, each portion in heating part 50 in mounting hole 112
Being equidistant for connecting passage 1113 is assigned to, heating part 50 is uniform to the molten metal heating effect in connecting passage 1113.Heating
Flow distribution plate main body 11 heats from inside in portion 50, and temperature transmission effect is more preferable.Compared in the market by heating member set on flow distribution plate
The scheme of 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 in the width direction of flow distribution plate main body 11
It is symmetrical arranged about plate runner 111 is shunted.Be equipped with heating part 50 inside two mounting holes 112, with from two positions to shunting
Liquid in 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 for pacifying
Temperature-sensitive portion is filled, the temperature from 11 different location of flow distribution plate main body detects from different positions in temperature-sensitive portion, relative to now normal
With the scheme for only testing some position in flow distribution plate main body 11, the technical solution of the application is to 11 many places temperature of flow distribution plate main body
It is monitored, 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 fluting distances shunt plate runner
111 are equidistant, and this eliminates the influences that plate runner 111 many places temperature variations per hour is shunted in test, so that each position
The result of test is more accurate.
The same side of flow distribution plate main body 11 is arranged in two first flutings 1131, and right about entrance channel 1111
Claim setting, that is to say, that the temperature-sensitive part in each first fluting 1131 is not against 1113 inner metal liquid of the connecting passage of half
Temperature 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, thus the temperature of every 1113 inner metal liquid of half-connection runner also just with phase
The quality of corresponding four shaped articles is closely bound up.When the product of the corresponding cavity structure 40 of the same hot mouth main body 12 occurs
When abnormal, the temperature that the temperature-sensitive portion in corresponding first fluting 1131 detects also has exception, therefore facilitates user to mold
Monitoring.
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 1113 inner metal liquid of connecting passage
Temperature.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, wastes material
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 master
On the trailing flank 117 of body 11.The length of second fluting 1132 is less than the length of the first fluting 1131, and the second fluting 1132 is set
It sets near the both ends position of connecting passage 1113, so that the temperature-sensitive portion in the second fluting 1132 is from another position pair
The temperature of molten metal is detected at 1113 end positions of connecting passage.Since two mounting holes 112 are symmetrical arranged, flow distribution plate master
The leading flank 116 of body 11 and the temperature close of trailing flank 117, so the temperature tested at the second fluting 1132 and the first fluting
The temperature close tested at 1131 passes through test result and the temperature-sensitive portion in the first fluting 1131 in temperature-sensitive portion in the second fluting 1132
Test result compare, can determine whether the heating part in mounting hole 112 exception occurs, if some mounting hole 112
There is failure in interior heating part, then the test result in the temperature-sensitive portion in the second fluting 1132 and temperature-sensitive portion in the first fluting 1131
Test result can differ larger.
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.End of the temperature-sensitive portion in third fluting 1133 apart from inlet flow channel at this time
Position is nearest, detects to the temperature at entrance channel 1111, if exception occurs in temperature herein, then illustrates mold by raw material
There is exception in the part for being heated to be molten metal.
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 rank
122, the diameter of heating rank 122 is less than the diameter of installation rank 121.Installation rank 121 connect with the flow distribution plate main body 11, heating part
Set on the outside of heating rank 122, hot mouth main body 12 is heated.Mounting groove is additionally provided with (in figure not on the surface of heating rank 122
Mark), mounting groove realizes the temperature detection to hot mouth main body 12 for placing temperature-sensitive portion 60.It is offered inside hot mouth main body 12
Hot mouth runner 123, the hot mouth runner 123 in hot mouth main body 12 are connect with the outlet flow 1112 shunted in plate runner 111.Metal
Liquid flows into hot mouth runner 123 from plate runner 111 is shunted, and is then flowed into flow passage structure 13 from hot mouth runner 123 again, then flows
Into each cavity structure 40, with shaped article.Now common Zinc alloy die generallys use the cold runner of a sprue 131
Structure, therefore the mouth of a river volume generated is larger, weight is larger.And this programme is then using at least two hot mouth main bodys 12
Hot runner structure, each at least two hot mouth main bodys 12 connect the cavity structure 40 of identical quantity, therefore sprue 131
Size it is significantly smaller, the sum of the mouth of a river weight that at least two sprues 131 are formed also is significantly smaller than current cold runner structure
The weight at the mouth of a river of generation, 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 mainstream
Road 131, each sprue 131 connect four runners 132, and each runner 132 connects a cavity structure 40, are produced with forming
Product.The cross-sectional area of the corresponding sprue 131 of each hot mouth main body 12, the cross-sectional area sum greater than four runners 132 are
Can, 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
122 settings, the inside in sprue portion 126 is arranged in the sprue 131 of mold, and sprue 131 is connected with hot mouth runner 123
It is logical.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 part can be played using the outside that lantern ring 124 is set in heating part
With the effect of 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 wear hot mouth set 125 and hot mouth slot.Hot mouth set 125 is equipped with the through-hole passed through for heating rank 122 (in figure
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 and lean on
The end face of nearly heating rank 122 is bonded with the end face of hot mouth set 125, and installation rank 121 is connect by hot mouth set 125 with preceding mould bases 70.
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 master
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 121
Outer wall and holding tank 1252 side wall between cooperation be gap-matched.It is covered in hot mouth and is equipped with an opening on 125 side walls
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, is oriented to
Play a part of that installation rank 121 is facilitated to be installed to holding tank 1252 in portion 1253.Guide part 1253 can using chamfering structure or its
Its structure, 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, for heating to flow distribution plate main body 11, hot nozzle cannot heat portion 52 is arranged for flow distribution plate heating part 51
Outside the heating rank 122 in hot mouth main body 12, hot mouth main body 12 is heated.Hot nozzle cannot heat portion 52 is from opening 1251
Stretch out 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 from the opening of hot mouth set 125
It is stretched out in 1251.Several fixing grooves 118 are additionally provided on first the 1131, second fluting 1132 of fluting and third fluting 1133,
The first temperature sensibility 611, the second temperature sensibility 612 and third temperature sensibility 613 are fixed in flow distribution plate main body 11 by fixing piece.Two
A second temperature sensibility 612 is set in flow distribution plate main body 11 to be arranged close to the both ends of connecting passage 1113, and third temperature sensibility 613 is set to
End in flow distribution plate main body 11 on entrance channel 1111 far from connecting passage 1113 is arranged.Second temperature sensibility 612 and
The length of three temperature sensibilities 613 is respectively less than the length of the first temperature sensibility 611, and the second temperature sensibility 612 is for testing connecting passage 1113
The temperature at both ends, third temperature sensibility 613 are used for the temperature of test access channel end.Wherein, the first temperature sensibility 611, second is felt
Warm part 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 the gold of sprue 131
Belong to liquid to be 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 can be first before entering each runner 132
By circular transition runner 133, then molten metal flows into each runner 132 again, flows into the molten metal of each runner 132
It is generally uniform, reduce molten metal and unevenly enter each runner 132, improves each shaped article
Consistency.
0 and Figure 13 referring to Fig.1, runner 132 include leading portion runner 1321 and back segment runner 1322, and leading portion runner 1321 connects
Sprue 131 and back segment runner 1322 are connect, back segment runner 1322 is connect with the glue-feeder of cavity structure 40, and leading portion runner 1321 is set
It is set to Curved runner, Curved runner ensure that the smoothness of runner inner metal liquid flowing, avoid being made due to molten metal constricted flow
At bad phenomenons such as air inclusions, it is filled molten metal preferably to cavity structure 40.
In one alternate embodiment, the cross-sectional area of leading portion runner 1321 on the direction towards back segment runner 1322 by
Decrescence small, with the flowing of the molten metal in runner, the speed of molten metal can be lost.The cross-sectional area setting of runner is in gradually to subtract
Small state, molten metal is acceleration mode during ensure that filling, is conducive to molten metal well into each cavity structure
It is formed in 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 1322
The distance between cavity structure 40 is gradually increased on the direction towards leading portion runner 1321.Back segment runner 1322 and type chamber knot
Angle between structure 40 can be 20 ゜ -70 ゜.This structure is the molten metal reflux in runner in order to prevent, to the quality band of product
To influence.The glue-feeder of cavity structure 40 is a strip mouth, and back segment runner 1322 is from a side of glue-feeder to the another of glue-feeder
Side extends, and back segment runner 1322 is gradually increased on the direction towards leading portion runner 1321 at a distance from cavity structure 40, this
Structure is conducive to the smoothness of the flowing of the molten metal inside runner.If the phase at a distance from cavity structure 40 everywhere of back segment runner 1322
Deng, that is, back segment runner 1322 is arranged in parallel with cavity structure 40, then one end of the separate sprue 131 of cavity structure 40 is wanted
Compared with molten metal is received after the other end, the Forming Quality of product is influenced.
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, guiding
Chamber 13222 imports the molten metal in drainage lumens 13221 in cavity structure 40, 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 hung down
Directly in glue-feeder.This structure makes the vertical glue-feeder of molten metal in back segment runner 1322, facilitates molten metal full of cavity structure
40, facilitate 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 of directed cavity 13222 can not also hang down with glue-feeder junction
Directly in 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 shape 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, directed cavity 13222 is for connecting drainage lumens 13221 and glue-feeder, and the thickness of directed cavity 13222 is close
Maximum at 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 mould
The reduced lifetime of tool.
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 and lower die by mold
The groove opened up in benevolence 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 is deep, adds
The bottom surface of thick 1323 respective slot of portion is lower than the bottom surface of 13222 respective slot of directed cavity, and liquid can preferentially be flowed toward lower.So
This structure makes molten metal first flow to thickening part 1323, and reducing molten metal cannot flow into cavity structure 40 far from leading portion runner
The probability of 1321 sides 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, and glue-feeder is avoided more to expect or lack
The generation of a problem that 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 be equipped with preceding parting line venting chamber, rear cavity ontology be equipped with rear mold discharge chamber, front cavity ontology with
The connection of 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, directly adopt surface be undaform discharge chamber 31 into
Row exhaust, the discharge chamber 31 of undaform increase the instroke of discharge chamber 31, under the premise of guaranteeing the quality of shaped article
Reduce the waste 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, in order to
The exhaust material residue generated in process of production is conveniently got rid of, exhaust outlet is arranged on the arc surface of cavity structure 40, discharge chamber
Arc surface of 31 part 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 is vented
The segment thickness of the close cavity structure of chamber 31 is 0.5mm, and the thickness of the other parts of discharge chamber is between 0.3-0.4mm.Cause
The intensity for the part that this discharge chamber 31 is connect with cavity structure 40 is greater than other parts, avoids user when getting rid of exhaust material residue,
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 be connected to discharge chamber 31 with
Front cavity ontology or air discharge duct 316 are connected to the outside of discharge chamber 31 and rear cavity ontology, so that the gas in discharge chamber 31
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 the row of discharge chamber 31
The stroke of gas 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 ゜, increases exhaust
The stroke that chamber 31 is vented.Angle between second level discharge chamber 312 and first order discharge chamber 311 may be set to be other angles
Degree, 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, maximized to save
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
End connection third level discharge chamber 313, first order discharge chamber 311 and third level discharge chamber 313 are respectively arranged on the second level exhaust
312 two sides of chamber.Angle between third level discharge chamber 313 and second level discharge chamber 312 is set as 90 ゜, is successively in using three
The discharge chamber of angle connection, increases instroke, and saves the space that discharge chamber occupies mold.Third level discharge chamber
Angle between 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 fourth stage row
Air cavity and level V discharge chamber, fourth stage discharge chamber and third level discharge chamber 313 are arranged in angle, level V discharge chamber and the 4th
Grade discharge chamber is arranged in angle, has maximumlly increased the instroke of discharge chamber, promotes exhaust effect, promotes shaped article matter
Amount.
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 be mold exhaust outlet.Wherein, the cross-sectional area of exhaust outlet is less than first order discharge chamber 311 and adapter cavity 314
The cross-sectional area of junction, the design of this structure are to be discharged in order to facilitate the gas in cavity structure 40 from exhaust outlet.Gas from
Lesser environment easily flows into biggish environment, and the exhaust of convenient discharge chamber improves exhaust effect, thus promoted at
The quality of type product.
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 stream
Dynamic feature, 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 be less than third level discharge chamber 313 width.This this structure is all easy to exhaust the characteristics of gas flowing is utilized；And
And in such a way that multistage is turned round, multi-buffer, maximum easy to exhaust avoids the bad phenomenons such as material spray in production
Occur.
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 313 from second level discharge chamber 312
Width far from being gradually increased on 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 passes through
Auxiliary exhaust chamber 315 is connect with a side with larger plane of cavity structure 40.Optimize the exhaust effect of discharge chamber 31
Fruit, 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 at
It is bad that water wave etc. is formed on the biggish side of type product, it is bad in order to remove these water waves, increase an auxiliary exhaust chamber
315, guarantee 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, 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 exhaust structure, stomata of the exhaust structure for the elimination product in kirsite molding die shaped article,
It is characterized in that, the exhaust structure includes:
Front cavity ontology is equipped with preceding parting line venting chamber；
Rear cavity ontology is equipped with rear mold discharge chamber；
Wherein, the rear cavity ontology is connected with the front cavity ontology, the preceding parting line venting chamber and the rear mold discharge chamber group
Conjunction forms discharge chamber, and the discharge chamber is connected with the cavity structure of the kirsite molding die, the bottom wall of the discharge chamber
The shape on surface is undaform.
2. exhaust structure according to claim 1, which is characterized in that the discharge chamber is linear structure.
3. exhaust structure according to claim 1, which is characterized in that the discharge chamber includes:
First order discharge chamber is connect with the cavity structure；
Second level discharge chamber is connect with the first order discharge chamber in angle.
4. exhaust structure according to claim 3, which is characterized in that the discharge chamber further include: third level discharge chamber, with
The second level discharge chamber is connected in angle.
5. exhaust structure according to claim 4, which is characterized in that one end of second level discharge chamber connection described the
The other end of level-one discharge chamber, the second level discharge chamber connects the third level discharge chamber, the first order discharge chamber and institute
It states third level discharge chamber and is respectively arranged on second level discharge chamber two sides.
6. exhaust structure according to claim 3, which is characterized in that the discharge chamber further include: adapter cavity, described first
Grade discharge chamber is connect by the adapter cavity with the cavity structure, the adapter cavity with first order discharge chamber junction
Sectional area be greater than the adapter cavity the sectional area with the cavity structure junction.
7. exhaust structure according to claim 3, which is characterized in that the width of the first order discharge chamber is described in
It is gradually increased on the direction of second level discharge chamber；And/or the second level discharge chamber is in the side towards the third level discharge chamber
It is gradually increased upwards；And/or the third level discharge chamber is gradually reduced on the direction towards the second level discharge chamber.
8. exhaust structure according to claim 3, which is characterized in that the width for stating first order discharge chamber is less than described
The width of second level discharge chamber.
9. exhaust structure according to claim 4, which is characterized in that the width of the second level discharge chamber is less than described the
The width of three-level discharge chamber.
10. a kind of kirsite molding die, which is characterized in that including such as described in any item exhaust structures of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910443014.3A CN110090926A (en) | 2019-05-26 | 2019-05-26 | Exhaust structure and kirsite molding die |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910443014.3A CN110090926A (en) | 2019-05-26 | 2019-05-26 | Exhaust structure and kirsite molding die |
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| CN110090926A true CN110090926A (en) | 2019-08-06 |
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| CN201910443014.3A Pending CN110090926A (en) | 2019-05-26 | 2019-05-26 | Exhaust structure and kirsite molding die |
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| JP2017013117A (en) * | 2015-07-03 | 2017-01-19 | 株式会社日伸電工 | Molding die, molding method and molding product |
| CN208230799U (en) * | 2018-05-15 | 2018-12-14 | 深圳市奥力压铸五金制品有限公司 | The running gate system and mold of optical fiber module shell |
| CN210334254U (en) * | 2019-05-26 | 2020-04-17 | 深圳市宝田精工塑胶模具有限公司 | Exhaust structure and zinc alloy forming die |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR920021279A (en) * | 1991-05-03 | 1992-12-18 | 박종구 | Semiconductor mold |
| CN202079277U (en) * | 2011-05-25 | 2011-12-21 | 深圳市湘银天机电有限公司 | Mould with concentrated heat-radiating and gas-discharging structure |
| CN203044802U (en) * | 2012-12-20 | 2013-07-10 | 宁波凯利机械模具有限公司 | Pouring and exhausting system of camshaft cover |
| CN103736930A (en) * | 2013-12-24 | 2014-04-23 | 上海亚德林有色金属有限公司 | High-precision mold structure for manufacturing automobile part body |
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