CN111283162A - Semi-enclosed die casting die - Google Patents

Semi-enclosed die casting die Download PDF

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Publication number
CN111283162A
CN111283162A CN201811495158.5A CN201811495158A CN111283162A CN 111283162 A CN111283162 A CN 111283162A CN 201811495158 A CN201811495158 A CN 201811495158A CN 111283162 A CN111283162 A CN 111283162A
Authority
CN
China
Prior art keywords
die
core
runner
mold
semi
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201811495158.5A
Other languages
Chinese (zh)
Inventor
张铁朝
张�杰
胡月芬
卢南朝
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ningbo Jieda Molding & Machine Co ltd
Original Assignee
Ningbo Jieda Molding & Machine Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ningbo Jieda Molding & Machine Co ltd filed Critical Ningbo Jieda Molding & Machine Co ltd
Priority to CN201811495158.5A priority Critical patent/CN111283162A/en
Publication of CN111283162A publication Critical patent/CN111283162A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D17/00Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
    • B22D17/20Accessories: Details
    • B22D17/22Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D17/00Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
    • B22D17/20Accessories: Details
    • B22D17/22Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
    • B22D17/2272Sprue channels

Abstract

The invention relates to a semi-enclosed die-casting die, which comprises an upper die core, a lower die core and an upper die base, wherein the middle part of the upper end of the lower die core is provided with a forming part in the shape of a rectangular boss, the middle part of the upper end of the forming part is provided with a main runner and a spreader cone connected with the rear end of the main runner, the two sides of the main runner are respectively and longitudinally provided with a first sub runner, the rear ends of the two first sub runners are relatively bent, the front end of the main runner is forked to form two transverse second sub runners, one end of each second sub runner is connected with the front end of the corresponding first sub runner, the middle part of the upper die core is provided with a sprue bush matched with the spreader cone, and. The main runner and the sub-runners are arranged on the forming part of the lower mold core, so that molten metal can enter the mold cavity more quickly, the second sub-runner and the first sub-runner are arranged around the edge of the upper end of the forming part, and the molten metal is uniformly injected into the mold cavity through the auxiliary runner, so that the obtained product is firmer.

Description

Semi-enclosed die casting die
Technical Field
The invention relates to the technical field of dies, in particular to a semi-enclosed die-casting die.
Background
The main factors influencing the product quality are the structure of the die, the die is designed to be reasonable in structure, the reject ratio of the product can be greatly reduced, and the defects of bubble generation, cold cutting and the like of the product can be avoided. In order to ensure that the mold can produce products with complex structures, the core pulling structure and the flow channel which are reasonable in design are needed, so that the product quality can be greatly improved.
Disclosure of Invention
The invention aims to solve the technical problem of providing a semi-enclosed die-casting die which is firm in obtained products, does not have the defects of air holes, air bubbles and the like, and improves the quality of the products.
The technical scheme adopted by the invention for solving the technical problems is as follows: the semi-enclosed die-casting die comprises an upper die core, a lower die core and an upper die base, wherein the lower die base is arranged on the lower end surface of the upper die base, the upper die core and the lower die core which are stacked and installed are arranged between the upper die base and the lower die base, a die cavity is formed between the upper die core and the lower die core, a forming part in a rectangular boss is arranged in the middle of the upper end of the lower die core, a main runner which is longitudinally arranged and a spreader cone which is connected with the rear end of the main runner are arranged in the middle of the upper end of the forming part, first spreader runners are longitudinally arranged on two sides of the main runner, the rear ends of the two first spreader runners are relatively bent, the front end of the main runner is forked to form two transverse second spreader runners, one end of each second spreader runner is connected with the front end of the corresponding first spreader runner, a sprue bush which is matched with the spreader cone is arranged in the middle of the upper die, the lower end of the upper die core is provided with a plurality of auxiliary runners, the auxiliary runners are used for connecting a first runner with the die cavity or connecting a second runner with the die cavity, core-pulling structures are arranged on the left side, the right side and the front end of the upper die core and the lower die core between the upper die base and the lower die base, each core-pulling structure comprises a slider base, an insert and an oil cylinder, the slider bases are slidably mounted at the upper end of the lower die base, one ends of the slider bases are provided with the inserts extending into the die cavity, the other ends of the slider bases are connected with the oil cylinder mounted on the outer side of the lower die base, the three inserts surround the forming part in a semi-surrounding mode, and the lower end of the upper die core.
As a supplement to the technical scheme of the invention, a plurality of slag ladles are arranged at the upper end of the lower die core around the forming part.
As a supplement to the technical scheme of the invention, an exhaust groove is arranged at one side of the upper end of the lower mold core, which is positioned at part of the slag ladle.
As a supplement to the technical scheme of the invention, a plurality of forming notches are uniformly arranged on the edge of the upper end of the forming part.
As a supplement to the technical scheme of the invention, two insert notches are arranged on the right side of the upper end of the forming part side by side, and an insert with the lower end extending into the insert notch is arranged at the lower end of the upper mold core.
As a supplement to the technical solution of the present invention, the first branch flow channel and the second branch flow channel are integrally formed.
As a supplement to the technical scheme of the invention, two support legs are vertically arranged at two ends of the lower end of the lower die base, a push plate is arranged between the lower ends of the two support legs, and a plurality of ejector rods inserted into a die cavity are vertically arranged on the push plate.
As a supplement to the technical scheme of the invention, the upper part of the other end of the sliding block seat is provided with a locking module.
Has the advantages that: the invention relates to a semi-enclosed die casting die.A main runner and a sub-runner are both arranged on a forming part of a lower die core, so that molten metal can enter a die cavity more quickly, a second sub-runner and a first sub-runner are arranged around the edge of the upper end of the forming part, and the molten metal is uniformly injected into the die cavity through an auxiliary runner, so that a product is relatively firm, the defects of air holes, air bubbles and the like are avoided, and the quality of the product is improved; the three inserts are used for surrounding the forming part in a semi-surrounding mode, the forming part can be surrounded on the periphery through the matching of the forming blocks, the inserts and the forming blocks are matched, so that the product can be conveniently demoulded, and the qualification rate of the product is greatly improved.
Drawings
FIG. 1 is an internal schematic view in front elevation of the present invention;
FIG. 2 is an internal view of the present invention in a right side view;
FIG. 3 is a schematic structural view of the lower die holder according to the present invention;
FIG. 4 is a schematic view of the construction of a lower mold core according to the present invention;
fig. 5 is a schematic structural view of an upper mold core according to the present invention.
The figure is as follows: 1. sprue bush, 2, upper die core, 3, lower die core, 4, forming part, 5, second shunt channel, 6, main channel, 7, first shunt channel, 8, cinder ladle, 9, exhaust duct, 10, shunt cone, 11, insert gap, 12, forming gap, 13, auxiliary channel, 14, insert, 15, upper die base, 16, lower die base, 17, core-pulling structure, 18, push plate, 19, ejector rod, 20, supporting leg, 21, slider base, 22, oil cylinder, 23, locking module, 24, insert, 25 and forming block.
Detailed Description
The invention will be further illustrated with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.
The embodiment of the invention relates to a semi-enclosed die-casting die, as shown in fig. 1-5, comprising an upper die core 2, a lower die core 3 and an upper die base 15, wherein the lower die base 16 is arranged on the lower end surface of the upper die base 15, the upper die core 2 and the lower die core 3 which are arranged in a stacked manner are arranged between the upper die base 15 and the lower die base 16, a die cavity is formed between the upper die core 2 and the lower die core 3, a forming part 4 which is a rectangular boss is arranged in the middle of the upper end of the lower die core 3, a main runner 6 which is longitudinally arranged and a diverging cone 10 which is connected with the rear end of the main runner 6 are arranged in the middle of the upper end of the forming part 4, first diverging runners 7 are longitudinally arranged on both sides of the main runner 6, the rear ends of the two first runners 7 are relatively bent, two transverse second runners 5 are formed at the front end of the main runner 6, one end of the second runner 5 is connected with the front end of, the middle part of the upper die core 2 is provided with a sprue bush 1 matched with the spreader cone 10, the upper end of the sprue bush 1 passes through an upper die base 15, the lower end of the upper die core 2 is provided with a plurality of auxiliary flow channels 13, the auxiliary runner 13 is used to connect the first sub-runner 7 with the mold cavity or the second sub-runner 5 with the mold cavity, core-pulling structures 17 are arranged between the upper die holder 15 and the lower die holder 16 and on the left side, the right side and the front end of the upper die core 2 and the lower die core 3, the core-pulling structure 17 comprises a slider seat 21, an insert 24 and an oil cylinder 22, wherein the slider seat 21 is slidably arranged at the upper end of a lower die seat 16, one end of the slider seat 21 is provided with an insert 24 extending into the die cavity, the other end of the slider seat 24 is connected with an oil cylinder 22 arranged on the outer side of the lower die seat 16, the three inserts 24 surround the forming part 4 in a semi-surrounding manner, and the lower end of the upper die core 2 is provided with a forming block 25 matched with the three inserts 24.
The upper end of the lower die core 3 is provided with a plurality of slag ladles 8 around the forming part 4.
An exhaust groove 9 is arranged at one side of the upper end of the lower die core 3, which is positioned at a part of the slag ladle 8.
The edge of the upper end of the forming part 4 is evenly provided with a plurality of forming gaps 12.
Two insert notches 11 are formed in the right side of the upper end of the forming portion 4 side by side, and an insert 14 with the lower end extending into the insert notch 11 is installed at the lower end of the upper mold core 2.
The first branch runner 7 and the second branch runner 5 are integrally formed.
Two support legs 20 are vertically arranged at two ends of the lower end of the lower die base 16, a push plate 18 is arranged between the lower ends of the two support legs 20, and a plurality of ejector rods 19 inserted into the die cavity are vertically arranged on the push plate 18.
The upper part of the other end of the sliding block seat 24 is provided with a locking module 23.
Examples
The upper die holder 15 and the upper die core 2 are closed together with the lower die core 3 and the lower die holder 16, molten liquid in a molten state is injected into the die cavity after completion, the solution enters the die from the sprue bush 1 and is divided by the flow dividing cone 10, and sequentially flows through the main runner 6, the second branch runner 5 and the first branch runner 7, the lower end of the upper die core 2 is provided with a plurality of auxiliary runners 13, the auxiliary runners 13 are used for connecting the first branch runner 7 with the die cavity or connecting the second branch runner 5 with the die cavity, and when the second branch runner 5 and the first branch runner 7 flow, part of the molten liquid is uniformly injected into the die cavity through the auxiliary runners 13. The utility model discloses a sprue and subchannel all set up on the shaping portion 4 of lower mold core 3 for molten metal gets into the die cavity sooner, and second subchannel 5 and first subchannel 7 are around 4 upper end edges of shaping portion and arrange, evenly pour into the die cavity with the molten liquid through supplementary runner 13 in, obtain the product ratio more durable like this, can not produce defects such as gas pocket, bubble, have improved the quality of product. The three inserts 24 are used for surrounding the forming part 4 in a semi-surrounding mode, the forming part can be surrounded on the periphery through the matching of the forming blocks 25, the product demoulding can be facilitated through the matching design of the inserts 24 and the forming blocks 25, and the qualification rate of the product is greatly improved.

Claims (8)

1. The utility model provides a die casting die of half enclosed, includes upper die core (2), lower die core (3) and upper die base (15), the lower terminal surface of upper die base (15) on install die holder (16), install between this upper die base (15) and die holder (16) and be last die core (2) and lower die core (3) that stack the installation, last die core (2) and lower die core (3) between form die cavity, its characterized in that: the middle part of the upper end of the lower mold core (3) is provided with a forming part (4) which is a rectangular boss, the middle part of the upper end of the forming part (4) is provided with a longitudinally arranged main runner (6) and a shunting cone (10) connected with the rear end of the main runner (6), two sides of the main runner (6) are respectively and longitudinally provided with a first shunting runner (7), the rear ends of the two first shunting runners (7) are relatively bent, the front end of the main runner (6) is forked to form two transverse second shunting runners (5), one end of each second shunting runner (5) is connected with the front end of each first shunting runner (7), the middle part of the upper mold core (2) is provided with a sprue bush (1) matched with the shunting cone (10), the upper end of the sprue bush (1) penetrates through an upper mold base (15), the lower end of the upper mold core (2) is provided with a plurality of auxiliary runners (13), and the auxiliary runners (13) are used for connecting the first shunting runners (7) with a mold cavity or connecting the second shunting runners, the core pulling mechanism is characterized in that core pulling structures (17) are arranged at the left side, the right side and the front end of the upper mold core (2) and the lower mold core (3) between the upper mold base (15) and the lower mold base (16), each core pulling structure (17) comprises a slider base (21), an insert (24) and an oil cylinder (22), the slider bases (21) are slidably mounted at the upper end of the lower mold base (16), the inserts (24) extending into the mold cavities are arranged at one ends of the slider bases (21), the other ends of the slider bases (24) are connected with the oil cylinder inserts (22) mounted on the outer side of the lower mold base (16), the three inserts (24) surround the forming part (4) in a semi-surrounding mode, and forming blocks (25) matched with the three inserts (24) are arranged at the lower end of the upper.
2. A semi-enclosed die casting mold as claimed in claim 1, wherein: the upper end of the lower mold core (3) is provided with a plurality of slag ladles (8) around the forming part (4).
3. A semi-enclosed die casting mold as claimed in claim 1, wherein: and an exhaust groove (9) is formed in one side, positioned on a part of the slag ladle (8), of the upper end of the lower mold core (3).
4. A semi-enclosed die casting mold as claimed in claim 1, wherein: the edge of the upper end of the forming part (4) is uniformly provided with a plurality of forming gaps (12).
5. A semi-enclosed die casting mold as claimed in claim 1, wherein: two insert notches (11) are formed in the right side of the upper end of the forming part (4) side by side, and an insert (14) with the lower end extending into the insert notch (11) is installed at the lower end of the upper mold core (2).
6. A semi-enclosed die casting mold as claimed in claim 1, wherein: the first branch runner (7) and the second branch runner (5) are integrally formed.
7. A semi-enclosed die casting mold as claimed in claim 1, wherein: two support legs (20) are vertically installed at two ends of the lower end of the lower die base (16), a push plate (18) is installed between the lower ends of the two support legs (20), and a plurality of ejector rods (19) inserted into the die cavity are vertically installed on the push plate (18).
8. A semi-enclosed die casting mold as claimed in claim 1, wherein: and a lock module (23) is arranged at the upper part of the other end of the sliding block seat (24).
CN201811495158.5A 2018-12-07 2018-12-07 Semi-enclosed die casting die Pending CN111283162A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811495158.5A CN111283162A (en) 2018-12-07 2018-12-07 Semi-enclosed die casting die

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811495158.5A CN111283162A (en) 2018-12-07 2018-12-07 Semi-enclosed die casting die

Publications (1)

Publication Number Publication Date
CN111283162A true CN111283162A (en) 2020-06-16

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ID=71029149

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811495158.5A Pending CN111283162A (en) 2018-12-07 2018-12-07 Semi-enclosed die casting die

Country Status (1)

Country Link
CN (1) CN111283162A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112676548A (en) * 2020-12-18 2021-04-20 苏州广型模具有限公司 Lightweight motor casing die casting die
CN113927017A (en) * 2021-09-29 2022-01-14 宁波建新华谊铝业有限公司 Sub vehicle frame aluminium low pressure casting mould
CN114834005A (en) * 2022-04-28 2022-08-02 台州市三普模具股份有限公司 Wheel casing liner plate mould

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112676548A (en) * 2020-12-18 2021-04-20 苏州广型模具有限公司 Lightweight motor casing die casting die
CN112676548B (en) * 2020-12-18 2022-05-20 苏州广型模具有限公司 Lightweight motor casing die casting die
CN113927017A (en) * 2021-09-29 2022-01-14 宁波建新华谊铝业有限公司 Sub vehicle frame aluminium low pressure casting mould
CN114834005A (en) * 2022-04-28 2022-08-02 台州市三普模具股份有限公司 Wheel casing liner plate mould
CN114834005B (en) * 2022-04-28 2023-06-13 台州市三普模具股份有限公司 Wheel casing lining plate mould

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Application publication date: 20200616