CN214768816U - A take off material structure fast for die casting die - Google Patents
A take off material structure fast for die casting die Download PDFInfo
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- CN214768816U CN214768816U CN202120666124.9U CN202120666124U CN214768816U CN 214768816 U CN214768816 U CN 214768816U CN 202120666124 U CN202120666124 U CN 202120666124U CN 214768816 U CN214768816 U CN 214768816U
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- assembly
- material pushing
- pushing plate
- contact surface
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Abstract
The utility model discloses a quick stripping structure for die casting dies, which comprises a cavity part, a material pushing plate positioned in the cavity part and a plurality of material pushing columns connected with the material pushing plate; the cavity part is formed by combining the material pushing plate, a first assembly and a second assembly which has the same structure with the first assembly, the first assembly and the second assembly can be far away from and close to each other to serve as the side wall of the cavity part, the material pushing plate is positioned between the first assembly and the second assembly to serve as the bottom wall of the cavity part, and the material pushing plate can move up and down in the cavity part. The stripping structure replaces the traditional ejector pin with the material pushing plate, so that a product with a thin profile can be prevented from generating pits or cracks during stripping, and the phenomena of ejector pin breakage and the like can be avoided; the cavity part is in a combined shape, so that the stripping can be completed more quickly, the stripping of the product is more complete, and the reject ratio and the rejection rate of the product are reduced.
Description
Technical Field
The utility model relates to a die casting die technical field especially discloses a take off material structure fast for die casting die.
Background
The die casting is a method in which a liquid metal is injected into a die having a desired shape at a high speed and a high pressure, and the die is opened after cooling to obtain a molded product. Die cast products have been widely used in recent years because of their reliable strength and superior performance. Normally, when the die-casting die is opened, the ejection and the demolding are carried out simultaneously, but for some products with thinner profiles, the ejection and the demolding simultaneously are likely to cause pits or cracks on the thinner profiles, and the reject ratio and the rejection ratio of the products are increased.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects and deficiencies in the prior art, the utility model aims to provide a quick stripping structure for die-casting dies.
In order to achieve the purpose, the utility model discloses a quick stripping structure for die casting die, which comprises a cavity part, a material pushing plate positioned in the cavity part, and a plurality of material pushing columns connected with the material pushing plate; the cavity part is formed by combining the material pushing plate, a first assembly and a second assembly which has the same structure with the first assembly, the first assembly and the second assembly can be far away from and close to each other to serve as the side wall of the cavity part, the material pushing plate is positioned between the first assembly and the second assembly to serve as the bottom wall of the cavity part, and the material pushing plate can move up and down in the cavity part.
Specifically, the side, far away from each other, of each of the first assembly and the second assembly is connected with a telescopic rod, each telescopic rod is connected with a first hydraulic cylinder and is installed on a supporting seat, and the supporting seats are fixed on the movable die supporting plate and located on two sides of the movable die base plate.
Specifically, a bearing surface is arranged on one side of the first assembly, which is close to the second assembly, and the bearing surface is lower than the bottom walls of the first assembly and the second assembly and is used for bearing the material pushing plate.
Specifically, the two sides of the material pushing plate close to the first component and the second component are both provided with a first contact surface and a second contact surface, the area of the first contact surface is smaller than that of the second contact surface, and the first contact surface is located below the second contact surface.
Specifically, when the first contact surface is contacted with the bearing surface, the material pushing plate is flush with the bottoms of the first assembly and the second assembly to serve as the bottom wall of the cavity piece; when the second contact surface is contacted with the bearing surface, the material pushing plate is lower than the bottoms of the first assembly and the second assembly to be used as stripping.
Specifically, the lower extreme of pushing away the material post runs through movable mould backing plate and movable mould extension board and is connected with a connecting plate, and the one side that the connecting plate kept away from pushing away the material post is connected in the piston rod of second pneumatic cylinder.
The utility model has the advantages that: the stripping structure for the die-casting die comprises a cavity part, a material pushing plate positioned in the cavity part and a plurality of material pushing columns connected with the material pushing plate; during die casting, the first assembly and the second assembly are combined, the first contact surface of the material pushing plate is in contact with the bearing surface, and the material pushing plate is used as the bottom wall of the cavity piece; when the material is ejected, the second hydraulic cylinder works, the piston rod moves upwards, the connecting plate and the material pushing column are pushed to move upwards, so that the material pushing plate moves upwards, and a molded product is pushed out of the cavity piece; when the mold is removed, the first hydraulic cylinder on the supporting seat works to enable the telescopic rod to contract, the first component and the second component are away from each other, meanwhile, the second hydraulic cylinder works to enable the piston rod to move downwards, the material pushing plate moves downwards to enable the second contact surface to abut against the bearing surface, and the molded product is abutted against the bottom of the first component and the bottom of the second component and is separated from the material pushing plate. The stripping structure replaces the traditional ejector pin with the material pushing plate, so that a product with a thin profile can be prevented from generating pits or cracks during stripping, and the phenomena of ejector pin breakage and the like can be avoided; the cavity part is in a combined shape, so that the stripping can be completed more quickly, the stripping of the product is more complete, and the reject ratio and the rejection rate of the product are reduced.
Drawings
Fig. 1 is a schematic sectional structure diagram of the die-casting state of the present invention;
fig. 2 is a schematic cross-sectional view of the first contact surface of the present invention contacting the carrying surface;
fig. 3 is a schematic cross-sectional view of the second contact surface of the present invention contacting the carrying surface.
The reference numerals include:
1-cavity piece 2-material pushing plate 3-material pushing column
4-telescopic rod 11-first component 12-second component
21-first contact surface 22-second contact surface 31-connecting plate
32-second cylinder 33-piston rod 41-first cylinder
42-bearing seat 51-movable die support plate 52-movable die backing plate
111-carrying surface 6-shaped product.
Detailed Description
In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and accompanying drawings, which are not intended to limit the present invention.
Referring to fig. 1 to 3, a fast stripping structure for a die casting mold of the present invention includes a cavity member 1, a material pushing plate 2 located in the cavity member 1, and a plurality of material pushing columns 3 connected to the material pushing plate 2; the cavity part 1 is formed by combining the material pushing plate 2, a first component 11 and a second component 12 which has the same structure with the first component 11, the first component 11 and the second component 12 can be far away from and close to each other to serve as the side wall of the cavity part 1, the material pushing plate 2 is positioned between the first component 11 and the second component 12 to serve as the bottom wall of the cavity part 1, and the material pushing plate 2 can move up and down in the cavity part 1. The first assembly 11 and the second assembly 12 are combined, the edge of the material pushing plate 2 is connected with the bottoms of the first assembly 11 and the second assembly 12 to form a cavity component 1 of the die, after the die-cast product is cooled and formed, the material pushing column 3 pushes the material pushing plate 2 upwards to enable the formed product 6 to be separated from the cavity component 1, the first assembly 11 and the second assembly 12 are far away from each other, the material pushing column 3 simultaneously pulls the material pushing plate 2 downwards to enable the formed product 6 to be abutted against the first assembly 11 and the second assembly 12 to be separated from the material pushing plate 2, and finally the formed product 6 can be taken away manually or by a manipulator.
Referring to fig. 1 to 3, the side of the first module 11 away from the second module 12 is connected to the telescopic rod 4, the telescopic rod 4 is connected to the first hydraulic cylinder 41 and is mounted on the supporting seat 42, and the supporting seat 42 is fixed on the movable mold supporting plate 51 and is located on two sides of the movable mold backing plate 52. When the first hydraulic cylinder 41 makes the telescopic rod 4 do the extending action, the first component 11 is pushed to the second component 12, and simultaneously the second component 12 is pushed to the first component 11, so that the first component 11 and the second component 12 are combined to be used for die casting; when the first hydraulic cylinder 41 makes the telescopic rod 4 perform the retracting action, the first component 11 and the second component 12 are respectively pulled to be separated for stripping.
Referring to fig. 1 to 3, a carrying surface 111 is disposed on a side of the first component 11 close to the second component 12, and the carrying surface 111 is lower than the bottom walls of the first component 11 and the second component 12 and is used for carrying the material pushing plate 2. The two sides of the material pushing plate 2 close to the first component 11 and the second component 12 are both provided with a first contact surface 21 and a second contact surface 22, the area of the first contact surface 21 is smaller than that of the second contact surface 22, and the first contact surface 21 is located below the second contact surface 22. When the first contact surface 21 contacts the bearing surface 111, the material pushing plate 2 is flush with the bottoms of the first assembly 11 and the second assembly 12 to serve as the bottom wall of the cavity member 1; when the second contact surface 22 contacts the bearing surface 111, the material pushing plate 2 is lower than the bottom of the first assembly 11 and the second assembly 12 for material removal. During die casting, the distance between the bottoms of the first component 11 and the second component 12 is just matched with the width of the material pushing plate 2, and the first contact surface 21 is in contact with the bearing surface 111 so that the material pushing plate 2 cannot move downwards; when the material is removed, the first component 11 and the second component 12 are away from each other, the distance between the bottoms of the two components is larger than the width of the material pushing plate 2, but the bearing surface 111 can just abut against the second contact surface 22, so that the material pushing plate 2 is lower than the bottoms of the first component 11 and the second component 12, and the molded product 6 is separated from the material pushing plate 2 after being abutted by the first component 11 and the second component 12.
Referring to fig. 1 to 3, the lower end of the material pushing column 3 penetrates through the movable die base plate 52 and the movable die support plate 51 and is connected to a connecting plate 31, and one side of the connecting plate 31 away from the material pushing column 3 is connected to the piston rod 33 of the second hydraulic cylinder 32. A piston rod 33 of the second hydraulic cylinder 32 moves upwards to push the connecting plate 31 to move upwards, so that the pushing column 3 pushes the pushing plate 2 to move upwards, and the molded product 6 is pushed out of the cavity part 1; the piston rod 33 of the second hydraulic cylinder 32 moves downwards, the connecting plate 31 and the pushing column 3 are pulled to move downwards, the pushing plate 2 moves downwards, and the molded product 6 is separated from the pushing plate 2 after being abutted by the first component 11 and the second component 12.
The stripping structure for the die-casting die comprises a cavity part 1, a material pushing plate 2 positioned in the cavity part 1, and a plurality of material pushing columns 3 connected with the material pushing plate 2; during die casting, the first assembly 11 and the second assembly 12 are combined, the first contact surface 21 of the material pushing plate 2 is in contact with the bearing surface 111, and the material pushing plate 2 serves as the bottom wall of the cavity part 1; when the material is ejected, the second hydraulic cylinder 32 works, the piston rod 33 moves upwards, the connecting plate 31 and the material pushing column 3 are pushed to move upwards, so that the material pushing plate 2 moves upwards, and the molded product 6 is pushed out of the cavity part 1; during demolding, the first hydraulic cylinder 41 on the supporting seat 42 works to contract the telescopic rod 4, the first component 11 and the second component 12 are away from each other, meanwhile, the second hydraulic cylinder 32 works to move the piston rod 33 downwards, the material pushing plate 2 moves downwards to enable the second contact surface 22 to abut against the bearing surface 111, and the molded product 6 is abutted against the bottoms of the first component 11 and the second component 12 to be separated from the material pushing plate 2.
The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.
Claims (6)
1. A quick stripping structure for a die-casting die comprises a cavity part (1), a material pushing plate (2) positioned in the cavity part (1), and a plurality of material pushing columns (3) connected with the material pushing plate (2); the method is characterized in that: the cavity piece (1) is formed by combining the material pushing plate (2), the first assembly (11) and the second assembly (12) which has the same structure with the first assembly (11), the first assembly (11) and the second assembly (12) can be far away from each other and close to each other to serve as the side wall of the cavity piece (1), the material pushing plate (2) is located between the first assembly (11) and the second assembly (12) to serve as the bottom wall of the cavity piece (1), and the material pushing plate (2) can move up and down in the cavity piece (1).
2. The quick stripping structure for die casting molds as claimed in claim 1, characterized in that: one sides, far away from each other, of the first assembly (11) and the second assembly (12) are connected with telescopic rods (4), the telescopic rods (4) are connected with first hydraulic cylinders (41) and are installed on supporting seats (42), and the supporting seats (42) are fixed on movable mould supporting plates (51) and are located on two sides of movable mould base plates (52).
3. The quick stripping structure for die casting molds as claimed in claim 1, characterized in that: the side, close to each other, of each of the first assembly (11) and the second assembly (12) is provided with a bearing surface (111), and the bearing surfaces (111) are lower than the bottom walls of the first assembly (11) and the second assembly (12) and are used for bearing the material pushing plate (2).
4. The quick stripping structure for die casting molds as claimed in claim 3, characterized in that: both sides of the material pushing plate (2) close to the first component (11) and the second component (12) are provided with a first contact surface (21) and a second contact surface (22), the area of the first contact surface (21) is smaller than that of the second contact surface (22), and the first contact surface (21) is located below the second contact surface (22).
5. The quick stripping structure for die casting molds as claimed in claim 4, characterized in that: when the first contact surface (21) is contacted with the bearing surface (111), the material pushing plate (2) is flush with the bottoms of the first assembly (11) and the second assembly (12) to be used as the bottom wall of the cavity piece (1); when the second contact surface (22) is in contact with the bearing surface (111), the material pushing plate (2) is lower than the bottoms of the first component (11) and the second component (12) to be used as stripping material.
6. The quick stripping structure for die casting molds as claimed in claim 1, characterized in that: the lower end of the material pushing column (3) penetrates through the movable die base plate (52) and the movable die support plate (51) and is connected with a connecting plate (31), and one surface, far away from the material pushing column (3), of the connecting plate (31) is connected with a piston rod (33) of the second hydraulic cylinder (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120666124.9U CN214768816U (en) | 2021-03-31 | 2021-03-31 | A take off material structure fast for die casting die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120666124.9U CN214768816U (en) | 2021-03-31 | 2021-03-31 | A take off material structure fast for die casting die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214768816U true CN214768816U (en) | 2021-11-19 |
Family
ID=78668374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120666124.9U Active CN214768816U (en) | 2021-03-31 | 2021-03-31 | A take off material structure fast for die casting die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214768816U (en) |
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2021
- 2021-03-31 CN CN202120666124.9U patent/CN214768816U/en active Active
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