CN111590050A - Multi-cavity pouring system for aluminum alloy retainer - Google Patents
Multi-cavity pouring system for aluminum alloy retainer Download PDFInfo
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- CN111590050A CN111590050A CN202010461755.7A CN202010461755A CN111590050A CN 111590050 A CN111590050 A CN 111590050A CN 202010461755 A CN202010461755 A CN 202010461755A CN 111590050 A CN111590050 A CN 111590050A
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- runner
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- cavity
- aluminum alloy
- pouring
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- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 19
- 238000000465 moulding Methods 0.000 claims abstract description 35
- 239000007788 liquid Substances 0.000 claims abstract description 24
- 238000005266 casting Methods 0.000 claims description 16
- 230000007704 transition Effects 0.000 claims description 11
- 238000004891 communication Methods 0.000 claims description 3
- 239000011159 matrix material Substances 0.000 claims description 3
- 238000013461 design Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005429 filling process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003818 cinder Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
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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
- 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
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The invention provides a multi-cavity pouring system for an aluminum alloy retainer, which comprises a runner system and an overflow discharge system, wherein the runner system comprises a main runner which is linearly arranged, a first runner section and a second runner section which are communicated are sequentially arranged on the main runner, the sectional area of the first runner section is larger than that of the second runner section, a unique first runner is symmetrically arranged on the first runner section, a unique second runner is symmetrically arranged on the second runner section, unique forming cavities are symmetrically arranged on the first runner section and the second runner section, two ends of an obliquely arranged internal pouring runner are respectively communicated with the first runner, the second runner and the forming cavities, and the overflow discharge system is communicated with the forming cavities. The invention improves the time synchronization degree of the pouring liquid reaching each molding cavity, so that the molding cavities are filled with the pouring liquid, the gas in the molding cavities is effectively led out, and the product quality is ensured.
Description
Technical Field
The invention belongs to the technical field of mold pouring, and particularly relates to a multi-cavity pouring system for an aluminum alloy retainer.
Background
The prior aluminum alloy retainer pouring system is formed by a movable die and a fixed die in a split die mode, a molding cavity is arranged on the side of the movable die, a plurality of molding cavities are arranged in the front and back of the movable die, and an inner sprue is overlapped on a processing surface.
However, the mold parting and feeding scheme of the existing aluminum alloy retainer pouring system is simple, part of the molding cavities are arranged at positions far away from the feeding port, the time for the casting liquid to reach each molding cavity of the mold is inconsistent during casting molding, adjustment of the product process is not facilitated, and the internal quality of the product is different.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, provides a multi-cavity pouring system for an aluminum alloy retainer, improves the time synchronization of pouring liquid reaching each molding cavity of a mold, and solves the problem of quality difference caused by inconsistent pouring molding time.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a multi-cavity pouring system for an aluminum alloy retainer comprises a fixed die and a movable die, wherein a plurality of molding cavities are formed between the fixed die and the movable die in a matched mode; wherein, still include:
the runner system comprises a main runner which is linearly arranged, a first runner section and a second runner section are sequentially arranged on the main runner along the flow direction of pouring liquid, the first runner section is communicated with the second runner section, the sectional area of the first runner section is larger than that of the second runner section, and the junction of the variable sections of the first runner section and the second runner section is arranged in a smooth transition manner;
the first flow channel section is symmetrically provided with a unique first secondary flow channel, the second flow channel section is symmetrically provided with a unique second secondary flow channel, and the first secondary flow channel is vertically connected with the first flow channel section and the second secondary flow channel is vertically connected with the second flow channel section; the first runner and the second runner are symmetrically provided with only one forming cavity;
the inner pouring channel is obliquely arranged, the oblique upper end of the inner pouring channel is communicated with the first runner and the second runner, and the oblique lower end of the inner pouring channel is communicated with the forming cavity.
Preferably, the first runner and the second runner are provided with protruding structures, the forming cavity is provided with an arch structure, and two ends of the inner pouring runner are respectively communicated with the protruding structures and the arch structure.
Preferably, the convex structures are arranged in a circular arc.
Preferably, the communication position of the inner pouring flow channel, the convex structure and the arch structure is located at the central line position of the convex structure and the arch structure.
Preferably, the joints of the first flow passage section and the first secondary flow passage and the joints of the second flow passage section and the second secondary flow passage are arranged in a smooth transition manner.
Preferably, the connection part of the inner pouring runner, the first runner and the second runner is arranged in a smooth transition mode.
Preferably, the device further comprises an overflow system, and the overflow system is connected with the forming cavity.
Preferably, the overflow system comprises a plurality of overflow grooves, the overflow grooves are communicated with the cavity, and the overflow grooves correspond to the cavity one to one.
Preferably, the overflow system further comprises a plurality of exhaust grooves and an exhaust block, and the exhaust block is communicated with the overflow groove through the exhaust grooves.
Preferably, a plurality of thimbles are arranged corresponding to the molding cavity and distributed on the movable mold in a matrix manner.
Compared with the prior art, the invention has the beneficial effects that:
in the scheme, a main runner is linearly arranged, a first runner section and a second runner section are sequentially arranged on the main runner, the first runner section and the second runner section are communicated with each other, the sectional area of the first runner section is larger than that of the second runner section, so that the internal pressure in a cavity in the second runner section is larger than that of the first runner section, further the flowing speed of casting liquid in the second runner section is accelerated, the first runner section and the second runner section are respectively and symmetrically provided with a corresponding first runner and a second runner on two sides, the first runner and the second runner are symmetrically provided with unique molding cavities, the inclined inner casting runner communicates the molding cavities with the first runner and the second runner, the time synchronization degree of the casting liquid reaching each molding cavity is further improved, and the molding cavities are filled with the casting liquid, effectively leading out the gas in the forming cavity and ensuring the quality of the product.
In the scheme, the connecting part of the first flow passage section and the first flow passage and the connecting part of the second flow passage section and the second flow passage are in smooth transition, and the joints of the inner casting runner, the first runner and the second runner are in smooth transition, so that the flow stability of the casting liquid is improved, the first runner and the second runner are both provided with arc-shaped convex structures, the molding cavity is provided with an arch structure, the two ends of the inner pouring runner are respectively communicated with the convex structures and the arch structures, the inner pouring gate faces to the center line of the arch structures, the circular arch design avoids the casting liquid from directly impacting the mold core to generate splashing, the casting liquid is favorably filled into the molding cavity at an even speed, the energy loss in the filling process is reduced, the pressure transmission and pressure supply effects are improved, and meanwhile, the abrasion of the mold core is reduced.
It is to be understood that within the scope of the present invention, the above-described features of the present invention and those specifically described below (e.g., in the examples) may be combined with each other to form new or preferred embodiments. Not to be reiterated herein, but to the extent of space.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic perspective view of the forming chamber, runner system and drainage system of the present invention.
Wherein:
1-fixing a mould; 2-a primary channel, 21-a first channel segment, 22-a second channel segment; 3-forming cavity, 31-arch structure; 4-a first flow channel; 5-a second runner; 6-pouring the runner in; 7-an overflow trough; 8-exhaust block, 81-exhaust groove; 9-a feed handle; 10-a thimble; 11-raised structure.
Detailed Description
So that the manner in which the above recited objects, features and advantages of the present invention can be understood in detail, a more particular description of the invention, briefly summarized above, may be had by reference to the embodiments thereof which are illustrated in the appended drawings. In addition, the embodiments and features of the embodiments of the present application may be combined with each other without conflict. In the following description, numerous specific details are set forth to provide a thorough understanding of the present invention, and the described embodiments are merely a subset of the embodiments of the present invention, rather than a complete embodiment. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
As shown in fig. 1 to 2, the embodiment discloses a multi-cavity gating system for an aluminum alloy retainer, which comprises a movable mold (not shown in the figures) and a fixed mold 1, wherein a plurality of molding cavities 3 are formed between the fixed mold 1 and the movable mold in a mold closing manner, and the multi-cavity gating system further comprises a runner system and an exhaust overflow system for exhausting and removing impurities.
The runner system includes the sprue 2 that is the straight line setting, along the flow direction of pouring liquid, be provided with a plurality of runner sections in order on the sprue 2, specifically be first runner section 21 and second runner section 22 in this embodiment, first runner section 21 and second runner section 22 communicate each other and the sectional area of first runner section 21 is greater than the sectional area of second runner section 22, the smooth transition setting of variable cross section junction of first runner section 21 and second runner section 22, first runner section 21 tip is provided with feeding handle 9.
The first runner section 21 is symmetrically provided with only first secondary runners 4, the second runner section 22 is symmetrically provided with only second secondary runners 5, and the first secondary runners 4 are vertically connected with the first runner section 21 and the second secondary runners 5 are vertically connected with the second runner section 22; the first runner 4 and the second runner 5 are symmetrically provided with unique molding cavities 3, and the molding cavities 3 on two sides of the first runner 4 and the second runner 5 are symmetrically arranged in an I shape through the unique position relation of the first runner 4, the second runner 5 and the molding cavities 3.
The inner casting runner 6 is obliquely arranged, the oblique upper end of the inner casting runner 6 is communicated with the first runner 4 and the second runner 5, and the oblique lower end of the inner casting runner 6 is communicated with the molding cavity 3.
Pouring liquid is poured from the feeding handle 9, due to the design of the variable cross section at the main flow channel subsection and the unique connection relation between the first flow channel 4, the second flow channel 5 and the molding cavities 3, the flow speed of the pouring liquid in the second flow channel subsection 22 is faster than that of the first flow channel subsection 21, the time difference of the pouring liquid reaching each molding cavity 3 is reduced, in other words, the time synchronization degree of the pouring liquid reaching each molding cavity 3 is improved, so that the pouring liquid fills each molding cavity 3, gas in the molding cavities 3 is effectively led out, the quality of products is guaranteed, and the smooth transition at the variable cross section connection ensures the flow stability of the pouring liquid. In addition, the inclined inner pouring runner 6 realizes feeding from top to bottom, the feeding speed is improved, the aim of rapid forming is achieved, and the internal quality of the product is further improved.
Preferably, in this embodiment, the first runner 4 and the second runner 5 are both provided with the protrusion structures 11, the protrusion structures 11 are arranged in an arc shape, the molding cavity 3 is provided with the arch structures 31, two ends of the obliquely arranged inner pouring runner 6 are respectively communicated with the arc-shaped middle positions of the protrusion structures 11 and the arch structures 31, and the joints of the first runner section 21 and the first runner 4, and the joints of the second runner section 22 and the second runner 5 are arranged in a smooth transition manner. The joints of the inner pouring runner 6, the first runner 4 and the second runner 5 are also in smooth transition arrangement.
In the embodiment, smooth transition of each connection part improves the flow stability of the pouring liquid, is beneficial to discharging gas in the runner system and ensures the internal quality of the product. First runner 4, second runner 5 all is provided with and is circular-arc protruding structure 11, become die cavity 3 and be provided with domes 31, the both ends of interior runner 6 communicate protruding structure 11 and domes 31 respectively, interior runner is towards domes 31's arc top central line department, pouring liquid flows in from domes 31's arc top, it fills into die cavity 3 to flow down along the arc edge, the direct impact core of pouring liquid has been avoided in the dome design and has produced the splash, be favorable to pouring liquid to fill die cavity 3 with even speed, reduce the energy loss among the filling process, improve pressure transmission and pressure supply effect, slow down the wearing and tearing of core simultaneously.
Preferably, in the embodiment, the overflow discharge system comprises a plurality of overflow grooves 7, the overflow grooves 7 are connected with the forming cavities 3, and the overflow grooves 7 correspond to the forming cavities 3 one by one. The overflow discharge system also comprises a plurality of exhaust grooves 81 and an exhaust block 8, and the exhaust block 8 is communicated with the overflow groove 7 through the exhaust grooves 81.
In the present embodiment, the overflow grooves 7 are disposed at an end of the molding cavity 3 away from the main channel 2, and the overflow grooves 7 correspond to the molding cavities 3 one to one. The total number of the two exhaust blocks 8 is respectively arranged at two sides of the main flow channel 2, and the gas in all the overflow chutes 7 positioned at the same side is converged and introduced to the exhaust block 8 at the corresponding side through the exhaust grooves 81 and then is exhausted from the exhaust block 8. In addition, the one end that sprue 2 was kept away from to runner 4, secondary runner 5 for the first time all is provided with cold silo (not shown in the figure), is provided with the cinder ladle in the cold silo for collect the pouring liquid that has cold charge and gas, cooperate with exhaust groove 81, better discharge cold charge and gas faster, effectively guarantee the internal quality of foundry goods when reinforcing exhaust effect.
Specifically, in this embodiment, four ejector pins 10 are disposed corresponding to each molding cavity 3, and the ejector pins 10 are distributed on the movable mold in a matrix manner, so that the risk problems of mold interference and unbalanced ejection caused by the ejector pins 10 disposed on the non-processing surface of the product are solved, and deformation and breakage of the product are avoided.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, so that any modification, equivalent change and modification made to the above embodiment according to the technical spirit of the present invention are within the scope of the technical solution of the present invention.
Claims (10)
1. A multi-cavity pouring system for an aluminum alloy retainer comprises a fixed die and a movable die, and is characterized in that a plurality of molding cavities are formed between the fixed die and the movable die in a matched mode; wherein, still include:
the runner system comprises a main runner which is linearly arranged, a first runner section and a second runner section are sequentially arranged on the main runner along the flow direction of pouring liquid, the first runner section is communicated with the second runner section, the sectional area of the first runner section is larger than that of the second runner section, and the junction of the variable sections of the first runner section and the second runner section is arranged in a smooth transition manner;
the first flow channel section is symmetrically provided with a unique first secondary flow channel, the second flow channel section is symmetrically provided with a unique second secondary flow channel, and the first secondary flow channel is vertically connected with the first flow channel section and the second secondary flow channel is vertically connected with the second flow channel section; the first runner and the second runner are symmetrically provided with only one forming cavity;
the inner pouring channel is obliquely arranged, the oblique upper end of the inner pouring channel is communicated with the first runner and the second runner, and the oblique lower end of the inner pouring channel is communicated with the forming cavity.
2. The multi-cavity gating system for the aluminum alloy retainer as recited in claim 1, wherein the first runner and the second runner are provided with convex structures, the forming cavity is provided with an arch structure, and two ends of the inner pouring runner are respectively communicated with the convex structures and the arch structure.
3. The multi-cavity gating system for aluminum alloy cages of claim 2, wherein the raised structures are arranged in an arc.
4. The multi-cavity gating system for the aluminum alloy retainer as recited in claim 3, wherein the communication position of the inner casting runner and the convex structures and the arch structures is located at the center line of the convex structures and the arch structures.
5. The multi-cavity gating system for the aluminum alloy retainer as recited in any one of claims 1 to 4, wherein the junctions of the first runner section and the first runner and the junctions of the second runner section and the second runner are smoothly transitioned.
6. The multi-cavity gating system for the aluminum alloy retainer as recited in claim 5, wherein the connection between the inner casting runner and the first runner and the connection between the inner casting runner and the second runner are smoothly transited.
7. The multi-cavity gating system for aluminum alloy cages of claim 1, further comprising a drainage system connected to the molding cavity.
8. The multi-cavity gating system for the aluminum alloy retainer according to claim 7, wherein the overflow draining system comprises a plurality of overflow grooves, the overflow grooves are communicated with the cavities, and the overflow grooves correspond to the cavities one to one.
9. The multi-cavity gating system for aluminum alloy cages of claim 8, wherein the vent system further comprises a plurality of vent grooves and vent blocks, the vent blocks being in communication with the overflow trough through the vent grooves.
10. The multi-cavity gating system for the aluminum alloy retainer as claimed in claim 1, wherein a plurality of pins are arranged corresponding to the molding cavities, and the pins are distributed on the movable mold in a matrix manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010461755.7A CN111590050B (en) | 2020-05-27 | 2020-05-27 | Multi-cavity pouring system for aluminum alloy retainer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010461755.7A CN111590050B (en) | 2020-05-27 | 2020-05-27 | Multi-cavity pouring system for aluminum alloy retainer |
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| Publication Number | Publication Date |
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| CN111590050A true CN111590050A (en) | 2020-08-28 |
| CN111590050B CN111590050B (en) | 2022-02-01 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112916827A (en) * | 2021-01-25 | 2021-06-08 | 惠州市田宇中南铝合金新材料科技有限公司 | Multiple gating system of die-casting mould |
| CN113770327A (en) * | 2021-08-04 | 2021-12-10 | 金榀精密工业(苏州)有限公司 | Tree-shaped shunting type die-casting forming structure |
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| CN111590050B (en) | 2022-02-01 |
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