CN111283163A - Die-casting die convenient for demolding and molding - Google Patents
Die-casting die convenient for demolding and molding Download PDFInfo
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- CN111283163A CN111283163A CN201811495159.XA CN201811495159A CN111283163A CN 111283163 A CN111283163 A CN 111283163A CN 201811495159 A CN201811495159 A CN 201811495159A CN 111283163 A CN111283163 A CN 111283163A
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- die
- core
- mold core
- limiting blocks
- die holder
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- 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 relates to a die-casting die convenient for demolding and molding, which comprises an upper die holder, an upper die core and a lower die core, wherein the lower die holder is provided with core-pulling structures at the front, the back, the left and the right of the lower die core, the core-pulling structures comprise inserts and sliding blocks, the limiting blocks are arranged at four corners of the upper end of the lower die core, the inserts are arranged between every two adjacent limiting blocks which are adjacent left and right or front and back, the sliding blocks are slidably arranged on the lower die holder, one ends of the sliding blocks are connected with the corresponding inserts, a die cavity is formed among the upper die core, the lower die core and the four inserts, a molding bulge is arranged in the middle of the lower end of the upper die core, a plurality of slag ladles are arranged at the lower end of the upper die core around the molding bulge. The die has a reasonable structure and high product percent of pass.
Description
Technical Field
The invention relates to the technical field of dies, in particular to a die-casting die convenient for demolding and molding.
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 with reasonable design, the slag ladle and the exhaust block set point are needed to greatly improve the product quality.
Disclosure of Invention
The invention aims to solve the technical problem of providing a die-casting die convenient for demolding and molding.A die cavity is formed among an upper die core, a lower die core and four inserts, and the four inserts are symmetrically arranged in pairs, so that the stress is uniform when a product is demolded; wherein two stopper upper ends are provided with the spread groove that links to each other with the air discharge duct, and the die holder upper end is provided with the exhaust piece that links to each other with the spread groove, and the position setting of spread groove can avoid taking place to interfere with the structure of loosing core in the stopper upper end, and has partly knock-out lever to pass the stopper and stretch into the spread groove, has special knock-out lever ejecting with unnecessary waste material, guarantees that the mould is clean.
The technical scheme adopted by the invention for solving the technical problems is as follows: the die-casting die comprises an upper die base, an upper die core and a lower die core, wherein the lower end surface of the upper die base is provided with a die base, the upper die core and the lower die core which are stacked and installed are installed between the upper die base and the die base, the die base is positioned at the front, the back, the left and the right of the lower die core and is provided with a core-pulling structure, the core-pulling structure comprises an insert and a slide block, the four corners of the upper end of the lower die core are provided with limit blocks, the insert is installed between every two adjacent limit blocks which are adjacent to each other left and right or adjacent to each other front and back, the slide block is slidably installed on the die base, one end of the slide block is connected with the corresponding insert, a die cavity is formed among the upper die core, the lower die core and the four inserts, the middle part of the lower end of the upper die core is provided with, the upper ends of the two limiting blocks are provided with connecting grooves connected with the exhaust grooves, and the upper end of the lower die holder is provided with an exhaust block connected with the connecting grooves.
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 holder, a push plate is arranged between the lower ends of the two support legs, a plurality of ejector rods are vertically arranged on the push plate, one part of the ejector rods are inserted into the die cavity, and the other part of the ejector rods penetrate through the limiting block and extend into the connecting groove.
As a supplement to the technical scheme of the invention, arc-shaped limiting blocks are arranged at four corners of the lower end of the upper die core and are matched with positioning notches arranged at the upper ends of the limiting blocks.
As a supplement to the technical scheme of the invention, a guide pillar and a guide sleeve which are matched with each other are arranged between the upper die base and the lower die base.
Has the advantages that: the invention relates to a die-casting die convenient for demolding and molding.A die cavity is formed among an upper die core, a lower die core and four inserts, and the four inserts are symmetrically arranged in pairs, so that the stress is uniform when a product is demolded; the upper ends of the two limiting blocks are provided with connecting grooves connected with the exhaust grooves, the upper end of the lower die base is provided with an exhaust block connected with the connecting grooves, the connecting grooves are arranged at the upper ends of the limiting blocks to avoid interference with the core-pulling structure, a part of ejector rods penetrate through the limiting blocks and extend into the connecting grooves, and the special ejector rods eject redundant waste materials out to ensure that a die is clean; the lower end of the upper mold core is provided with a plurality of slag ladles around the forming bulges, and the slag ladles can prevent cold cadmium.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the lower die holder according to the present invention;
FIG. 3 is a schematic structural view of an upper die base according to the present invention;
fig. 4 is a schematic structural view of a lower mold core according to the present invention.
The figure is as follows: 1. the device comprises an upper die base, 2, an upper die core, 3, an upper die core, 4, a lower die base, 5, supporting legs, 6, a push plate, 7, an ejector rod, 8, a sliding block, 9, an insert, 10, a limiting block, 11, a positioning notch, 12, a connecting groove, 13, an exhaust block, 14, a guide sleeve, 15, an arc limiting block, 16, a guide pillar, 17, a forming bulge, 18, a slag ladle, 19 and an exhaust groove.
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 die-casting die convenient for demolding and molding, which comprises an upper die holder 1, an upper die core 2 and a lower die core 3, wherein the lower end surface of the upper die holder 1 is provided with a lower die holder 4, the upper die core 2 and the lower die core 3 which are stacked and installed are installed between the upper die holder 1 and the lower die holder 2, the lower die holder 4 is provided with core-pulling structures at the front, the back, the left and the right of the lower die core 3, the core-pulling structures comprise inserts 9 and sliding blocks 8, the four corners of the upper end of the lower die core 3 are provided with limiting blocks 10, each two limiting blocks 10 adjacent to each other in the left, the right or the front and the back are provided with inserts 9, the sliding blocks 8 are installed on the lower die holder 4 in a sliding manner, one end of each sliding block is connected with the corresponding insert 9, a die cavity is formed among the upper die core 2, the lower die core 3 and the, a plurality of slag ladles 18 are arranged at the lower end of the upper die core 2 around the forming protrusion 17, an exhaust groove 19 is formed in one end of each slag ladle 18, a connecting groove 12 connected with the exhaust groove 19 is formed in the upper ends of the two limiting blocks 10, and an exhaust block 13 connected with the connecting groove 12 is arranged at the upper end of the lower die base 4.
Two stabilizer blades 5 are vertically installed at the two ends of the lower end of the lower die holder 4, a push plate 6 is installed between the lower ends of the two stabilizer blades 5, a plurality of ejector rods 7 are vertically installed on the push plate 6, one part of the ejector rods 7 is inserted into the die cavity, and the other part of the ejector rods 7 penetrates through the limiting block 10 and extends into the connecting groove 12.
Four corners of the lower end of the upper die core 2 are provided with arc limiting blocks 15, and the arc limiting blocks 15 are matched with positioning notches 11 arranged at the upper ends of the limiting blocks 10.
A guide post 16 and a guide sleeve 14 which are matched with each other are arranged between the upper die holder 1 and the lower die holder 4.
Examples
Fold upper die base 1 and die holder 4 and upper mold core 2 and lower die core 3 earlier, four insert 9 and last die core 2 and lower die core 3 are closed together, pour into molten state's aluminium liquid into the die cavity after accomplishing, flow to whole of product from the top of product, it is more durable to obtain the product like this, can not produce defects such as gas pocket, bubble, the quality of product has been improved, aluminium liquid can fill up the die cavity, and pressurize in the mould, open the mould after accomplishing, upper die base 1 and last die core 2 separate with die holder 4 and lower die core 3, control four structure of loosing core and remove, four insert 9 and product break away from, later start push pedal 6, ejector pin 7 ejects the product from the die cavity.
In the utility model, a die cavity is formed among the upper die core 2, the lower die core 3 and the four inserts 9, and the four inserts 9 are symmetrically arranged in pairs, so that the stress is uniform when the product is demoulded; the upper ends of the two limiting blocks 10 are provided with connecting grooves 12 connected with an exhaust groove 19, the upper end of the lower die holder 4 is provided with an exhaust block 13 connected with the connecting grooves 12, the connecting grooves 12 are arranged at the upper ends of the limiting blocks 10 to avoid interference with a core-pulling structure, a part of ejector rods 7 penetrate through the limiting blocks 10 and extend into the connecting grooves 12, and the special ejector rods 7 eject redundant waste materials to ensure that a die is clean; the lower end of the upper mold core 2 is provided with a plurality of slag ladles 18 around the forming bulges 17, and the slag ladles 18 prevent the cold cadmium phenomenon.
Claims (4)
1. The utility model provides a make things convenient for drawing of patterns and fashioned die casting die, includes upper die base (1), goes up mold core (2) and lower mold core (3), the lower terminal surface of upper die base (1) on install die holder (4), install between this upper die base (1) and die holder (2) and be the last mold core (2) and lower mold core (3) that stack the installation, its characterized in that: the core pulling structure is arranged at the front, the rear, the left and the right of the lower mold core (3) of the lower mold base (4), the core pulling structure comprises an insert (9) and a sliding block (8), the limiting blocks (10) are arranged at the four corners of the upper end of the lower mold core (3), the insert (9) is arranged between every two adjacent limiting blocks (10) which are adjacent left and right or adjacent front and back, the sliding block (8) is slidably arranged on the lower mold base (4), one end of the sliding block is connected with the corresponding insert (9), a mold cavity is formed among the upper mold core (2), the lower mold core (3) and the four inserts (9), a forming bulge (17) is arranged in the middle of the lower end of the upper mold core (2), a plurality of slag ladles (18) are arranged at the lower end of the upper mold core (2) around the forming bulge (17), an exhaust groove (19) is arranged at one end of each slag ladle (18), a connecting groove (12), and the upper end of the lower die holder (4) is provided with an exhaust block (13) connected with the connecting groove (12).
2. The die casting mold facilitating demolding and molding as claimed in claim 1, wherein: die holder (4) lower extreme both ends vertically install two stabilizer blades (5), install push pedal (6) between two stabilizer blade (5) lower extremes, push pedal (6) on vertically install a plurality of knock-out lever (7), in some knock-out lever (7) inserted the die cavity, in some knock-out lever (7) passed stopper (10) and stretched into spread groove (12).
3. The die casting mold facilitating demolding and molding as claimed in claim 1, wherein: four corners of the lower end of the upper mold core (2) are provided with arc-shaped limiting blocks (15), and the arc-shaped limiting blocks (15) are matched with positioning notches (11) arranged at the upper ends of the limiting blocks (10).
4. The die casting mold facilitating demolding and molding as claimed in claim 1, wherein: a guide post (16) and a guide sleeve (14) which are matched with each other are arranged between the upper die holder (1) and the lower die holder (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811495159.XA CN111283163A (en) | 2018-12-07 | 2018-12-07 | Die-casting die convenient for demolding and molding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811495159.XA CN111283163A (en) | 2018-12-07 | 2018-12-07 | Die-casting die convenient for demolding and molding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111283163A true CN111283163A (en) | 2020-06-16 |
Family
ID=71018784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811495159.XA Pending CN111283163A (en) | 2018-12-07 | 2018-12-07 | Die-casting die convenient for demolding and molding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111283163A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113070459A (en) * | 2021-02-23 | 2021-07-06 | 珠海市润星泰电器有限公司 | Positioning structure for assembling sliding block of extrusion die |
| WO2022126926A1 (en) * | 2020-12-18 | 2022-06-23 | 苏州广型模具有限公司 | Die-casting die for lightweight valve body |
-
2018
- 2018-12-07 CN CN201811495159.XA patent/CN111283163A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022126926A1 (en) * | 2020-12-18 | 2022-06-23 | 苏州广型模具有限公司 | Die-casting die for lightweight valve body |
| CN113070459A (en) * | 2021-02-23 | 2021-07-06 | 珠海市润星泰电器有限公司 | Positioning structure for assembling sliding block of extrusion die |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20200616 |
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| WD01 | Invention patent application deemed withdrawn after publication |