CN114505462A - Deep hole die casting forming method without drawing die and forming device - Google Patents
Deep hole die casting forming method without drawing die and forming device Download PDFInfo
- Publication number
- CN114505462A CN114505462A CN202210146043.5A CN202210146043A CN114505462A CN 114505462 A CN114505462 A CN 114505462A CN 202210146043 A CN202210146043 A CN 202210146043A CN 114505462 A CN114505462 A CN 114505462A
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- die
- insert
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- 238000004512 die casting Methods 0.000 title claims abstract description 54
- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000005266 casting Methods 0.000 claims abstract description 25
- 239000002994 raw material Substances 0.000 claims abstract description 10
- 238000003825 pressing Methods 0.000 claims description 11
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 238000003754 machining Methods 0.000 abstract description 4
- 239000000463 material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000005495 investment casting Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
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Classifications
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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
- B22D17/2076—Cutting-off equipment for sprues or ingates
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The invention relates to the technical field of casting, in particular to a forming method and a forming device for a deep-hole die-casting without a drawing die. The method specifically comprises the following steps: die-casting a rough blank; removing the pouring gate residues on the rough blank; and removing the insert in the rough blank to form a casting. According to the invention, the raw material is subjected to die-casting forming through the arranged die, so that a rough blank with an insert is obtained, and the insert is accurately removed through the insert-removing jig, so that a casting with a deep hole is obtained, and the technical problems of complex process and uneven inner wall of the die casting caused by the mode that a die casting with a deep hole is required to be obtained through a die drawing mode in the traditional die casting mode, and a die casting with a deep hole is obtained through deep hole machining in the die casting by adopting a turning process and the like are solved.
Description
Technical Field
The invention relates to the technical field of casting, in particular to a forming method and a forming device for a deep-hole die-casting without a drawing die.
Background
The die casting is a precision casting method for pressing molten metal into a metal die with a complex shape by using high pressure, and when a die casting die is used for producing a die casting with a deep hole in industrial production, a blank is usually produced by a die casting mode, and then an inner hole of the blank is machined by a lathe machining mode, so that the die casting with the deep hole is produced.
Disclosure of Invention
The invention provides a deep-hole die-casting forming method without a drawing die and a forming device.
In a first aspect, the invention provides a deep-hole die-casting forming method without drawing, which comprises the following steps: die-casting a rough blank; removing the pouring gate residues on the rough blank; and removing the insert in the rough blank to form a casting.
Further, the method for removing the inserts in the rough blank to form the casting comprises the following steps: placing the rough blank into an insert-removing clamp, and fixing the rough blank; placing the clamp on a base and placing the clamp in a press machine; and (3) aligning the end face of the insert of the rough blank by using a pressure lever to ensure concentricity, and simultaneously applying pressure to separate the insert from the rough blank to form a casting.
In a second aspect, the present invention provides a mould comprising: the die comprises a die body and an insert arranged in the die body; a pouring channel is formed in the die body; and injecting raw materials into the die body through a pouring channel so as to form a rough blank between the raw materials and the insert.
In a third aspect, the present invention provides an insert removing jig, including: the clamp, the compression bar and the base; the clamp is arranged on the base; the clamp is suitable for clamping a rough blank; the pressing rod is arranged on the clamp and is aligned to the end face of the insert of the rough blank to push the insert, so that the insert is separated from the rough blank to form a casting.
In a fourth aspect, the invention provides a deep-hole die-casting forming device without a drawing die, comprising: the mold comprises a mold and an insert taking jig; wherein the die is adapted to form a blank; the insert taking jig is suitable for separating the insert from the rough blank to form a casting.
The forming method and the forming device for the deep-hole die-casting-free die casting have the advantages that the raw materials are subjected to die casting forming through the arranged die, so that a rough blank with the insert is obtained, the insert is accurately taken down through the insert taking jig, so that a casting with the deep hole is obtained, and the technical problems of complex process and uneven inner wall of the die casting caused by the mode that the die casting with the deep hole is required to be obtained through a die drawing mode in the traditional die casting mode or the die casting with the deep hole is obtained through deep hole machining in the die casting by adopting a turning process and the like are solved.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and drawings.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic flow diagram of a deep hole no-draft die casting forming method of the present invention;
FIG. 2 is an exploded schematic view of the mold of the present invention;
fig. 3 is a schematic structural view of the insert-taking jig of the present invention.
In the figure: the die comprises a die body 1, a cavity 10, a front die core 11, a rear die core 12, an insert 2, a pouring channel 3, a rough blank 4, a clamp 5, a compression bar 6 and a base 7.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, the present embodiment provides a deep-hole die casting forming method without drawing die, including: die-casting a rough blank 4; removing the pouring gate residues on the rough blank 4; and removing the insert 2 in the rough blank 4 to form a casting.
Specifically, the method for removing the insert 2 in the rough blank 4 to form the casting comprises the following steps: placing the rough blank 4 in an insert removing clamp, and fixing the rough blank 4; placing the clamp 5 on a base 7 and placing the clamp in a press machine; and (3) aligning the end face of the insert 2 of the rough blank 4 by using the pressure lever 6 to ensure concentricity, and simultaneously applying pressure to separate the insert 2 from the rough blank 4 to form a casting.
In the embodiment, the preset insert 2 is adopted to die-cast a deep hole forming product, the insert 2 is utilized to directly form the inner hole of the product, and meanwhile, the method does not need to carry out die drawing and hole forming treatment on the product, so that the accuracy of the diameter and the roughness of the inner hole is ensured (the diameter can be controlled to be +/-0.01 mm, and the roughness can be controlled to be less than Ra0.3), meanwhile, the turning process is removed, the production efficiency is greatly improved, and the effects of high precision and high yield are achieved.
As shown in fig. 2, the present embodiment provides a mold including: the die comprises a die body 1 and an insert 2 arranged in the die body 1; a pouring gate 3 is arranged on the die body 1; a material is injected into the die body 1 through a runner 3 so that a green compact 4 is formed between the material and the insert 2.
Specifically, the die body 1 includes: a front mold core 11 and a rear mold core 12; the front mold core 11 and the rear mold core 12 are both internally provided with a cavity 10; the front mold core 11 and the rear mold core 12 are closed, and then the two mold cavities 10 are closed to form a die casting cavity; and the insert 2 is arranged in the die-casting cavity, and a reserved space for raw material forming is reserved in the die-casting cavity. The pouring channel 3 is arranged on the rear die core 12.
In this embodiment, the die body 1 includes a front die core 11 and a rear die core 12, and the front die core 11 and the rear die core 12 are both provided with a cavity 10 inside, so as to enclose a die-casting cavity after being closed, and meanwhile, the insert 2 is pre-installed in the die-casting cavity, so as to form the rough blank 4 by using a reserved space between the insert 2 and the die-casting cavity.
As shown in fig. 3, the present embodiment provides a jig for taking an insert 2, including: the clamp 5, the pressure lever 6 and the base 7; the clamp 5 is arranged on the base 7; the clamp 5 is suitable for clamping the rough blank 4; the pressing rod 6 is arranged on the clamp 5, and the pressing rod 6 is aligned to the end face of the insert 2 of the rough blank 4 and used for pushing the insert 2 to separate the insert 2 from the rough blank 4 to form a casting.
In the present embodiment, the jig 5 is used for clamping and fixing the blank 4 combined with the insert 2, and the insert 2 in the blank 4 is pushed out by the press rod 6, so that a casting with a deep hole is obtained.
In the present embodiment, the pressing rod 6 includes, but is not limited to, pushing by a press, and when pushing, the pressing rod 6 is aligned with and keeps concentric with the end face of the insert 2 in the rough blank 4, and at the same time, the diameter of the pressing rod 6 is smaller than that of the insert 2, so that the insert 2 is pushed out and the integrity of the casting is kept.
In the embodiment, optionally, the surface of the insert 2 is polished after the insert 2 is separated from the casting to realize recycling.
This embodiment still provides a deep hole die casting former that does not have drawing die, includes: the mold comprises a mold and an insert taking jig; wherein the die is adapted to form a blank 4; the insert taking jig is suitable for separating the insert 2 from the rough blank 4 to form a casting.
In particular, the mould is adapted to use a mould as described above.
Specifically, the insert taking jig is suitable for adopting the insert taking jig.
In the embodiment, the raw materials are subjected to die-casting molding through the arranged die, so that a rough blank with the insert 2 is obtained, and the insert 2 is accurately taken down through the insert taking jig, so that a casting with a deep hole is obtained.
In conclusion, the forming method and the forming device for the deep-hole die-casting-free die casting have the advantages that the raw materials are subjected to die casting forming through the arranged die, so that a rough blank with the insert 2 is obtained, the insert 2 is accurately taken down through the insert taking jig, so that a casting with the deep hole is obtained, and the technical problems of complex process and uneven inner wall of the die casting caused by the traditional die casting mode that the die casting with the deep hole is obtained through die drawing, the die casting with the deep hole is obtained through deep hole machining in the die casting by adopting a turning process and the like are solved.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (9)
1. A deep hole die casting forming method without a drawing die is characterized by comprising the following steps:
die-casting a rough blank;
removing the pouring gate residues on the rough blank; and
and removing the insert in the rough blank to form a casting.
2. The deep-hole die casting method according to claim 1, wherein,
the method for removing the inserts in the rough blank to form the casting comprises the following steps:
placing the rough blank in an insert removing clamp, and fixing the rough blank;
placing the clamp on a base and placing the clamp in a press machine;
and (3) aligning the end face of the insert of the rough blank by using a pressure lever to ensure concentricity, and simultaneously applying pressure to separate the insert from the rough blank to form a casting.
3. A mold, comprising:
a die body, and
an insert disposed within the mold body;
a pouring channel is formed in the die body;
and injecting raw materials into the die body through a pouring channel so as to form a rough blank between the raw materials and the insert.
4. The mold according to claim 3,
the die body includes: a front mold core and a rear mold core;
cavities are formed in the front mold core and the rear mold core;
the front mold core and the rear mold core are closed, and then the two mold cavities are closed to form a die casting cavity; and
the insert is arranged in the die-casting cavity, and a reserved space for raw material forming is reserved in the die-casting cavity.
5. The mold according to claim 4,
the pouring gate is arranged on the rear die core.
6. The utility model provides a get inserts tool which characterized in that includes:
the clamp, the compression bar and the base;
the clamp is arranged on the base;
the clamp is suitable for clamping a rough blank;
the pressing rod is arranged on the clamp and is aligned to the end face of the insert of the rough blank to push the insert, so that the insert is separated from the rough blank to form a casting.
7. The utility model provides a deep hole does not have draft die casting former which characterized in that includes:
the mold comprises a mold and an insert taking jig; wherein
The die is adapted to form a blank;
the insert taking jig is suitable for separating the insert from the rough blank to form a casting.
8. The deep-hole die casting forming apparatus according to claim 7,
the mold is adapted to use the mold according to any one of claims 3 to 5.
9. The deep-hole die casting forming apparatus according to claim 7,
the insert taking jig is suitable for adopting the insert taking jig disclosed by claim 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210146043.5A CN114505462A (en) | 2022-02-17 | 2022-02-17 | Deep hole die casting forming method without drawing die and forming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210146043.5A CN114505462A (en) | 2022-02-17 | 2022-02-17 | Deep hole die casting forming method without drawing die and forming device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114505462A true CN114505462A (en) | 2022-05-17 |
Family
ID=81552511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210146043.5A Withdrawn CN114505462A (en) | 2022-02-17 | 2022-02-17 | Deep hole die casting forming method without drawing die and forming device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114505462A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITPD20050362A1 (en) * | 2005-12-13 | 2007-06-14 | Imr Spa | LOW PRESSURE MOLDING PLANT IN FORMING SHELL |
| CN102974799A (en) * | 2012-11-19 | 2013-03-20 | 四川广安光前集团有限公司 | Method for solving shrinkage blowholes inside large and thick parts of die casting |
| CN202862504U (en) * | 2012-10-23 | 2013-04-10 | 上海富亿德塑胶有限公司 | Device for taking out metal insert from plastic product |
| CN203830693U (en) * | 2014-03-14 | 2014-09-17 | 东莞市东升压铸模具有限公司 | A die-casting mold with integral die-casting for embedded parts |
| JP2015167994A (en) * | 2014-03-10 | 2015-09-28 | リョービ株式会社 | Die-casting mold insert and die-casting method |
| CN104985155A (en) * | 2015-06-24 | 2015-10-21 | 东莞鸿图精密压铸有限公司 | A method of producing complex oblique hole die-casting products by using embedded inserts |
| CN210190391U (en) * | 2019-06-11 | 2020-03-27 | 郴州市恒通模具科技有限公司 | Metal insert's remove device among plastic product |
-
2022
- 2022-02-17 CN CN202210146043.5A patent/CN114505462A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITPD20050362A1 (en) * | 2005-12-13 | 2007-06-14 | Imr Spa | LOW PRESSURE MOLDING PLANT IN FORMING SHELL |
| CN202862504U (en) * | 2012-10-23 | 2013-04-10 | 上海富亿德塑胶有限公司 | Device for taking out metal insert from plastic product |
| CN102974799A (en) * | 2012-11-19 | 2013-03-20 | 四川广安光前集团有限公司 | Method for solving shrinkage blowholes inside large and thick parts of die casting |
| JP2015167994A (en) * | 2014-03-10 | 2015-09-28 | リョービ株式会社 | Die-casting mold insert and die-casting method |
| CN203830693U (en) * | 2014-03-14 | 2014-09-17 | 东莞市东升压铸模具有限公司 | A die-casting mold with integral die-casting for embedded parts |
| CN104985155A (en) * | 2015-06-24 | 2015-10-21 | 东莞鸿图精密压铸有限公司 | A method of producing complex oblique hole die-casting products by using embedded inserts |
| CN210190391U (en) * | 2019-06-11 | 2020-03-27 | 郴州市恒通模具科技有限公司 | Metal insert's remove device among plastic product |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20220517 |