CN212239145U - Die casting die of large-angle loose core - Google Patents
Die casting die of large-angle loose core Download PDFInfo
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- CN212239145U CN212239145U CN202020818847.1U CN202020818847U CN212239145U CN 212239145 U CN212239145 U CN 212239145U CN 202020818847 U CN202020818847 U CN 202020818847U CN 212239145 U CN212239145 U CN 212239145U
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Abstract
The utility model discloses a die casting die of loosing core of wide-angle, including upper die base and die holder that can open and shut relatively to the upper die base, be equipped with the die cavity that is used for the shaping work piece between upper die base and the die holder, be equipped with the runner cover that communicates with the die cavity on the upper die base, be equipped with the spreader cone with the runner cover butt joint on the die holder, the bottom of die holder is equipped with the supporting shoe, the bottom plate that connects in the supporting shoe bottom, thimble board and thimble bottom plate are equipped with the thimble between thimble board and the thimble bottom plate, be equipped with wide-angle mechanism of loosing core on the die holder, wide-angle mechanism of loosing core contains capable position mold insert and capable position seat, wherein be equipped with the spout that sets up relatively to the direction of motion slope of capable position seat on the capable position seat, the rear end sliding connection of capable position mold insert is in the spout, through the action of the capable position seat of driving of loosing core of, the production efficiency is improved, the integral thickness of the die is not increased, and the production cost is saved.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to the technical field of mold, specifically be die casting die that wide-angle was loosed core.
[ background of the invention ]
With the rapid development of the die casting industry, the die casting structure is more and more complex, for example, a special-shaped curved surface inclined at a larger angle relative to the die casting main body is arranged in the middle of the die casting, and the insert for forming the special-shaped curved surface and the core pulling mechanism matched with the insert are arranged at the moment.
The method for processing the product requiring large-angle core pulling forming in the market at present mainly comprises the following steps:
1. the mold is not designed with a line structure or is designed with a simple straight line structure for molding. The structure has the defects that only one part of the core-pulling area can be molded, and the other part needs to be post-processed and molded; the production cost is increased and the profit efficiency is reduced.
2. The mold is designed to be formed along the diagonal position of the core pulling direction. The disadvantage is that such structures thicken the thickness of the mold core and mold blank, and partly cause the mold thickness to exceed the limit of the matched machine. This requires the use of larger models of die-casting machines. Not only increases the manufacturing cost of the mold, but also increases the production cost of the casting.
The utility model discloses it is not enough to solve prior art and research and propose promptly.
[ Utility model ] content
The to-be-solved technical problem of the utility model is to provide a die casting die of loosing core of wide-angle, wide-angle mechanism of loosing core contains the position mold insert of going and the position seat of going of sliding connection on the die holder, wherein be equipped with the spout that the direction of motion slope of the relative position seat of going set up on the position seat of going, the rear end sliding connection of the position mold insert of going is in the spout, go the position seat action and then the drive position mold insert of going through hydro-cylinder A drive and realize loosing core, the special-shaped curved surface at shaping work piece middle part, and reach the mesh of smoothly loosing core, and the improvement production efficiency, can ensure again that the holistic thickness of mould does not.
In order to solve the technical problem, the utility model discloses a die casting die of loosing core of wide-angle, including upper die base and the die holder that can open and shut relatively the upper die base, upper die base and die holder between be equipped with the die cavity that is used for the shaping work piece, the upper die base on be equipped with the die cavity communicating sprue bush, the die holder on be equipped with the spreader cone with sprue bush butt joint, the bottom of die holder be equipped with the supporting shoe, connect bottom plate, thimble board and thimble bottom plate in the supporting shoe bottom, thimble board and thimble bottom plate between be equipped with the thimble that is used for ejecting the work piece from the die cavity, the middle part of work piece has the special shaped surface of slope, the die holder on be equipped with the mechanism of loosing core of wide-angle that is used for the special shaped surface of shaping work piece, the mechanism of loosing core of wide-angle contain slide connection position mold insert and the line position seat on the die holder, the shaping surface of line position mold insert towards the, the lower die base is provided with a guide hole for the slide of the slide insert therein, the slide base is provided with a slide groove which is obliquely arranged relative to the moving direction of the slide base, the rear end of the slide insert is connected in the slide groove in a sliding manner, and the lower die base is provided with an oil cylinder A for driving the slide base to move.
According to the die-casting die for large-angle core pulling, the slide seat is connected to the lower die seat in a sliding mode along the horizontal direction.
According to the die-casting die for large-angle core pulling, the included angle between the sliding groove and the horizontal plane is alpha, wherein the alpha satisfies the following conditions: alpha is more than or equal to 40 degrees and less than or equal to 50 degrees.
According to the die-casting die for large-angle core pulling, the oil groove for containing lubricating oil is formed in the sliding groove.
According to the die-casting die for large-angle core pulling, the bottom of the slide seat is provided with the wear-resisting block.
According to the die-casting die for large-angle core pulling, the movable insert used for forming the back-off part of the workpiece is arranged in the upper die base.
According to the die-casting die for large-angle core pulling, the lower die base is provided with the horizontal core pulling mechanism for molding the side surface of the workpiece.
According to the die-casting die capable of pulling the core in the large angle, the horizontal core pulling mechanism comprises the horizontal slide insert used for molding the side surface of the workpiece and the oil cylinder B for driving the horizontal slide insert.
According to the die-casting die for large-angle core pulling, the upper die base is provided with the plurality of guide pillars for accurately aligning the upper die base and the lower die base, and the lower die base is provided with the guide holes in sliding fit with the guide pillars.
The die casting die for large-angle core pulling is characterized in that the upper die base is provided with a water conveying sleeve connected with the sprue bush.
Compared with the prior art, the utility model has the advantages of as follows:
1. the utility model discloses a wide-angle mechanism of loosing core contains the position mold insert of going and the position seat of going of sliding connection on the die holder, wherein be equipped with the spout that the direction of motion slope of the seat of going relatively set up on the position seat of going, the rear end sliding connection of the position mold insert of going is in the spout, go the position seat action and then drive through hydro-cylinder A drive and go the position mold insert realization and loose core, the special-shaped curved surface at work piece middle part can be shaped, and reach the purpose of smoothly loosing core, improve production efficiency, can ensure again that the holistic thickness of mould does not increase, practice thrift manufacturing cost.
[ description of the drawings ]
The following detailed description of embodiments of the present invention is provided with reference to the accompanying drawings, in which:
fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the upper die holder of the present invention;
FIG. 3 is a schematic structural view of the middle and lower die holders of the present invention;
FIG. 4 is a schematic view of the present invention;
fig. 5 is a schematic structural view of the middle-large angle core-pulling mechanism of the present invention;
FIG. 6 is a schematic view of a middle-large angle core-pulling mechanism of the present invention in full section when forming a workpiece;
fig. 7 is an exploded view of the middle movable insert and the upper mold base of the present invention.
[ detailed description ] embodiments
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1 to 7, the die casting mold for large-angle core pulling of the embodiment includes an upper mold base 001 and a lower mold base 002 capable of being opened and closed relative to the upper mold base 001, a cavity for molding a workpiece 1000 is provided between the upper mold base 001 and the lower mold base 002, a sprue bush 101 communicated with the cavity is provided on the upper mold base 001, a spreader 103 butted with the sprue bush 101 is provided on the lower mold base 002, a supporting block 006, a bottom plate 005 connected to the bottom of the supporting block 006, an ejector pin plate 003 and an ejector pin bottom plate 004 are provided at the bottom of the lower mold base 002, an ejector pin 25 for ejecting the workpiece 1000 from the cavity is provided between the ejector pin plate 003 and the ejector pin bottom plate 004, the middle of the workpiece 1000 has an inclined special-shaped surface, a large-angle core pulling mechanism 2 for molding the special-shaped surface of the workpiece 1000 is provided on the lower mold base 002, the large-angle core pulling mechanism 2 includes a slide insert 104 and a slide seat 106 slidably connected to the lower mold base, the forming surface of the slide insert 104 faces the special-shaped surface in the middle of the workpiece 1000, the lower die holder 002 is provided with a guide hole for the slide insert 104 to slide in, the slide seat 106 is provided with a chute 1061 which is inclined relative to the moving direction of the slide seat 106, the rear end of the slide insert 104 is slidably connected in the chute 1061, and the lower die holder 002 is provided with an oil cylinder A107 for driving the slide seat 106 to move. The utility model discloses a wide-angle mechanism of loosing core contains the position mold insert of going and the position seat of going of sliding connection on the die holder, wherein be equipped with the spout that the direction of motion slope of the seat of going relatively set up on the position seat of going, the rear end sliding connection of the position mold insert of going is in the spout, go the position seat action and then drive through hydro-cylinder A drive and go the position mold insert realization and loose core, the special-shaped curved surface at work piece middle part can be shaped, and reach the purpose of smoothly loosing core, improve production efficiency, can ensure again that the holistic thickness of mould does not increase, practice thrift manufacturing cost.
In this embodiment, the slide seat 106 is connected to the lower die base 002 along the horizontal direction, and an included angle between the sliding groove 1061 and the horizontal plane is α, where α satisfies: alpha is more than or equal to 40 degrees and less than or equal to 50 degrees, and the included angle between the sliding groove 1061 and the horizontal plane is preferably 45 degrees.
In order to prevent the slide insert and the slide base from being jammed during relative movement, an oil groove 10611 for receiving lubricating oil is provided in the slide groove 1061.
The wear-resistant block 105 is arranged at the bottom of the position seat 106, so that the service life of the die can be prolonged.
A movable insert 111 for molding the reverse part of the workpiece 1000 is arranged in the upper die holder 001. Because the workpiece is provided with the reverse buckle and is difficult to be formed in a core-pulling mode, the movable insert is designed. Before production, after the mold is opened, the movable insert is placed into the fixed mold plate by utilizing manpower or a mechanical arm, and then the mold is closed to produce a casting. After the workpiece is ejected out after the mold is opened, the movable insert and the workpiece are wrapped together, and then the movable insert is knocked out manually.
The utility model discloses in, in order to carry out the shaping to the side of work piece, be equipped with the horizontal mechanism of loosing core 3 that is used for the side of shaping work piece 1000 on die holder 002, horizontal mechanism of loosing core 3 contain the horizontal line position mold insert 31 that is used for the side of shaping work piece 1000 and the hydro-cylinder B32 that drives horizontal line position mold insert 31.
In order to align the upper die holder and the lower die holder accurately, the upper die holder 001 is provided with a plurality of guide posts 51 for aligning the upper die holder 001 and the lower die holder 002 accurately, and the lower die holder 002 is provided with guide holes 52 which are in sliding fit with the guide posts 51.
For cooling the sprue bush, a water jacket 102 connected to the sprue bush 101 is provided on the upper die base 001.
The technical content of the present invention is further described by the embodiments only, so that the reader can understand it more easily, but the embodiments of the present invention are not limited thereto, and any technical extension or re-creation according to the present invention is protected by the present invention. The protection scope of the present invention is subject to the claims.
Claims (10)
1. Die casting die of loosing core of wide-angle, its characterized in that: the die comprises an upper die holder (001) and a lower die holder (002) capable of being opened and closed relative to the upper die holder (001), a cavity for molding a workpiece (1000) is arranged between the upper die holder (001) and the lower die holder (002), a sprue bush (101) communicated with the cavity is arranged on the upper die holder (001), a spreader cone (103) butted with the sprue bush (101) is arranged on the lower die holder (002), a supporting block (006), a bottom plate (005) connected to the bottom of the supporting block (006), an ejector pin plate (003) and an ejector pin bottom plate (004) are arranged at the bottom of the lower die holder (002), an ejector pin (25) used for ejecting the workpiece (1000) from the cavity is arranged between the ejector pin plate (003) and the ejector pin bottom plate (004), an inclined special-shaped surface is arranged in the middle of the workpiece (1000), a large-angle core-pulling mechanism (2) used for molding the special-shaped surface of the workpiece (1000) is arranged on the lower die holder (, the large-angle core pulling mechanism (2) comprises a row position insert (104) and a row position seat (106) which are connected onto a lower die seat (002) in a sliding mode, a forming surface of the row position insert (104) faces a special-shaped surface in the middle of a workpiece (1000), a guide hole for the row position insert (104) to slide in the lower die seat (002) is formed in the lower die seat, a sliding groove (1061) which is formed in the row position seat (106) in an inclined mode relative to the moving direction of the row position seat (106) is formed in the row position seat (106), the rear end of the row position insert (104) is connected into the sliding groove (1061) in a sliding mode, and an oil cylinder A (107) for driving the row position seat (106) to move is arranged on the lower die seat (002.
2. The die-casting die with the large-angle loose core as claimed in claim 1, characterized in that the slide seat (106) is connected to the lower die seat (002) in a sliding mode along the horizontal direction.
3. The die-casting die with the large-angle loose core as claimed in claim 2, characterized in that an included angle between the sliding groove (1061) and a horizontal plane is α, wherein α satisfies: alpha is more than or equal to 40 degrees and less than or equal to 50 degrees.
4. The die-casting die for large-angle core pulling of claim 2 is characterized in that an oil groove (10611) for containing lubricating oil is formed in the sliding groove (1061).
5. The die casting die with the large angle loose core as claimed in claim 2, characterized in that the bottom of the travel seat (106) is provided with a wear-resistant block (105).
6. The die-casting die for large-angle core pulling according to claim 1, characterized in that a movable insert (111) for molding the back-off part of the workpiece (1000) is arranged in the upper die holder (001).
7. The die-casting die with the large-angle loose core as claimed in claim 1, characterized in that the lower die holder (002) is provided with a horizontal core-pulling mechanism (3) for molding the side surface of the workpiece (1000).
8. The die-casting die for large-angle core pulling according to claim 7, characterized in that the horizontal core pulling mechanism (3) comprises a horizontal slide insert (31) for molding the side surface of the workpiece (1000) and a cylinder B (32) for driving the horizontal slide insert (31).
9. The die-casting die for large-angle core pulling according to claim 1, characterized in that a plurality of guide posts (51) for accurately aligning the upper die holder (001) and the lower die holder (002) are arranged on the upper die holder (001), and guide holes (52) which are in sliding fit with the guide posts (51) are arranged on the lower die holder (002).
10. The die-casting die for large-angle core pulling according to claim 1, characterized in that the upper die holder (001) is provided with a water conveying sleeve (102) connected with the sprue bush (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020818847.1U CN212239145U (en) | 2020-05-15 | 2020-05-15 | Die casting die of large-angle loose core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020818847.1U CN212239145U (en) | 2020-05-15 | 2020-05-15 | Die casting die of large-angle loose core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212239145U true CN212239145U (en) | 2020-12-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020818847.1U Active CN212239145U (en) | 2020-05-15 | 2020-05-15 | Die casting die of large-angle loose core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212239145U (en) |
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2020
- 2020-05-15 CN CN202020818847.1U patent/CN212239145U/en active Active
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