CN108160972B - Die casting die structure - Google Patents
Die casting die structure Download PDFInfo
- Publication number
- CN108160972B CN108160972B CN201810152346.1A CN201810152346A CN108160972B CN 108160972 B CN108160972 B CN 108160972B CN 201810152346 A CN201810152346 A CN 201810152346A CN 108160972 B CN108160972 B CN 108160972B
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- CN
- China
- Prior art keywords
- die
- plate
- ejector
- ejector pin
- rear template
- 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.)
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Classifications
-
- 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
-
- 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
- B22D17/2236—Equipment for loosening or ejecting castings from dies
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The invention discloses a die casting die structure, which comprises a front die plate, a first rear die plate, a second rear die plate, a first ejector plate, a second ejector plate and a bottom plate which are sequentially arranged, wherein a first die core is arranged between the front die plate and the first rear die plate, and a second die core is arranged between the first rear die plate and the second rear die plate; the ejector plate is provided with an ejector pin, an oil cylinder is fixed on the second rear template, and the oil cylinder can drive the first ejector plate to move back and forth so as to eject a product formed in the first die core; the second ejector plate is fixedly connected with the first rear template, the ejector rod of the die casting machine penetrates through the bottom plate to be fixed on the second ejector plate, and the ejector rod of the die casting machine can drive the second ejector plate to move back and forth so as to eject paint residues in the second die core. The die-casting die structure is designed to be a three-die structure by changing the traditional two-die structure, one die is used for forming products, and the other die is used for deslagging and ejection, so that the problem of poor product filling when the column positions of the products are higher and more is solved, and the quality of die-casting products is improved.
Description
Technical Field
The invention relates to a die structure, in particular to a die casting die structure.
Background
At present, the existing die casting die generally comprises a front die and a rear die, a front die core is arranged in the front die, a rear die core is arranged in the rear die, and a die is opened and closed to form a product, but because the existing die casting die structure is adopted, the material level, slag discharging and ejection structures are all in the rear die core, when the die casting die is adopted to produce products with higher column positions, the die casting die is limited by the product structure, and poor column position filling can occur when the die casting die is opened and used for casting products, so that the precision of the die casting formed products is influenced.
Disclosure of Invention
In order to overcome the defects, the invention provides a die casting die structure, which can effectively solve the technical problem of poor filling of products with higher column positions.
The technical scheme adopted by the invention for solving the technical problems is as follows: the die casting die structure comprises a front die plate, a first rear die plate, a second rear die plate, a first ejector plate, a second ejector plate and a bottom plate which are sequentially arranged, wherein a first die core for forming a product is arranged between the front die plate and the first rear die plate, and a second die core for deslagging is arranged between the first rear die plate and the second rear die plate; the first ejector pin plate is provided with a first ejector pin, the first ejector pin movably penetrates through the second rear template and extends to a first die core of the first rear template, an oil cylinder is fixed on the second rear template, and the oil cylinder can drive the first ejector pin plate to move back and forth so as to eject a product formed in the first die core; the second ejector plate is fixedly connected with the first rear template, a second ejector pin is arranged on the second ejector plate, the second ejector pin movably penetrates through the first ejector plate and extends to a second rear die core on the second rear template, an ejector rod of the die casting machine penetrates through the bottom plate to be fixed on the second ejector plate, and the ejector rod of the die casting machine can drive the second ejector plate to move back and forth so as to eject paint slag in the second die core.
As a further improvement of the invention, four corners of the first ejector plate are respectively provided with a return needle, and the return needles are movably arranged in the second rear template and the first rear template in a penetrating manner.
As a further improvement of the invention, four corners of the second rear template are respectively provided with a guide post, and the guide posts are movably arranged in the first rear template in a penetrating way.
As a further improvement of the present invention, the second ejector plate is fixedly connected with the first rear mold plate through a connecting rod.
As a further improvement of the invention, the bottom plate is fixedly provided with an insert pin corresponding to the second ejector pin position, and the second ejector pin hole on the second ejector pin plate is three-section: the first section radius of the second thimble hole is the same as the radius of the insert needle, the second section radius of the second thimble hole is the same as the radius of the countersunk head part of the second thimble, the third section radius of the second thimble hole is the same as the radius of the thimble of the second thimble, and the length of the second section of the second thimble hole is larger than the length of the countersunk head part of the second thimble; when the second ejector pin plate is not in an ejection state, the end part of the insert pin movably penetrates through the first section of the second ejector pin hole, extends into the second section of the second ejector pin hole and is ejected to the outer end face of the countersunk head part of the second ejector pin.
The beneficial effects of the invention are as follows: the die-casting die structure is designed to be a three-die structure by changing the traditional two-die structure, one die is used for molding products, namely the material level, and the other die is used for deslagging and ejection, so that the problem of poor product filling when the column positions of the products are higher and more is solved, and the quality of die-casting products is improved. In addition, the die casting die structure is also provided with a delayed ejection structure, so that the phenomenon that the ejector pin is bent or broken due to overlarge force is prevented, and the service life of the ejector pin and the product quality are improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic cross-sectional view of FIG. 1;
FIG. 3 is an enlarged schematic view of the portion A in FIG. 2;
FIG. 4 is a schematic view of a cross-sectional structure of the present invention when the mold is opened;
FIG. 5 is a schematic cross-sectional view of the first ejector plate according to the present invention;
FIG. 6 is a schematic cross-sectional view illustrating a first ejector plate according to the present invention;
FIG. 7 is a schematic cross-sectional view of a second ejector plate according to the present invention;
FIG. 8 is a second schematic cross-sectional view of the second ejector plate according to the present invention;
FIG. 9 is a third schematic cross-sectional view of the second ejector plate according to the present invention;
FIG. 10 is a schematic cross-sectional view illustrating a second ejector plate according to the present invention;
fig. 11 is a schematic diagram of the mold closing state of the present invention.
The following description is made with reference to the accompanying drawings:
1-front template; 2—a first rear template;
3-a second rear template; 4-a first ejector plate;
5-a second ejector plate; 6, a bottom plate;
7, an oil cylinder; 8, a push rod of the die casting machine;
9-connecting rod; 10-insert needle;
11-a product; 31-a guide post;
41-a first thimble; 42-needle return;
51—a second thimble; 52-a second top pinhole.
Detailed Description
A preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings. The scope of the invention is not limited to the following examples, but is intended to be limited only by the appended claims and the equivalents and modifications thereof, which fall within the scope of the invention.
Referring to fig. 1-11, the die casting mold structure of the present invention comprises a front mold plate 1, a first rear mold plate 2, a second rear mold plate 3, a first ejector plate 4, a second ejector plate 5 and a bottom plate 6, which are sequentially arranged, wherein a first mold core for molding a product is arranged between the front mold plate and the first rear mold plate, and a second mold core for deslagging is arranged between the first rear mold plate and the second rear mold plate; the first ejector plate is provided with a first ejector pin 41, the first ejector pin movably penetrates through the second rear template and extends to a first die core of the first rear template, an oil cylinder 7 is fixed on the second rear template, and the oil cylinder can drive the first ejector plate to move back and forth so as to eject a product formed in the first die core; the second ejector plate is fixedly connected with the first rear template, a second ejector pin 51 is arranged on the second ejector plate, the second ejector pin movably penetrates through the first ejector plate and extends to a second rear die core on the second rear template, a die casting machine ejector rod 8 penetrates through the bottom plate to be fixed on the second ejector plate, and the die casting machine ejector rod can drive the second ejector plate to move back and forth to eject paint slag in the second die core.
The four corners of the first ejector plate are respectively provided with a return needle 42, and the return needles movably penetrate through the second rear template 3 and the first rear template 2. The four corners of the second rear template are respectively provided with a guide pillar 31, and the guide pillars movably penetrate through the first rear template. The second ejector plate is fixedly connected with the first rear template through a connecting rod 9.
In addition, the bottom plate is fixedly provided with an insert 10 corresponding to the second ejector pin position, and the second ejector pin hole 52 on the second ejector pin plate is three-section: the first section radius of the second thimble hole is the same as the radius of the insert needle, the second section radius of the second thimble hole is the same as the radius of the countersunk head part of the second thimble, the third section radius of the second thimble hole is the same as the radius of the thimble of the second thimble, and the length of the second section of the second thimble hole is larger than the length of the countersunk head part of the second thimble; when the second ejector pin plate is not in an ejection state, the end part of the insert pin movably penetrates through the first section of the second ejector pin hole, extends into the second section of the second ejector pin hole and is ejected to the outer end face of the countersunk head part of the second ejector pin.
The working flow of the die casting die structure is as follows:
step one, die sinking: referring to fig. 4, the die casting machine drives the first rear die plate 2, the second rear die plate 3, the first ejector plate 4, the second ejector plate 5 and the bottom plate 6 to move outwards together to be separated from the front die plate 1, so that die opening is realized.
Secondly, ejecting a product by the first ejector plate: referring to fig. 5, the oil cylinder 7 drives the first ejector plate 4 to move forward, and the first ejector pins 41 on the first ejector plate 4 eject the product 11 formed in the first mold core of the first rear mold plate 2.
Thirdly, resetting the first ejector plate, and taking out the product: referring to fig. 6, the oil cylinder 7 drives the first ejector plate 4 to move backwards to return, and the product 11 is taken out.
Fourth, the second ejector plate ejects out to remove slag (delayed ejection is used): referring to fig. 7-9, when the ejector rod of the die casting machine ejects the second ejector plate 5, the second ejector plate moves forward for a certain stroke, and the second ejector pin is fixed together with the second ejector plate and moves forward together with the second ejector plate because the second section length of the second ejector pin hole is larger than the sinking head length of the second ejector pin, so that when the second ejector plate starts to move forward, the second ejector pin is not moved until the sinking head of the second ejector pin abuts against the first section end of the second ejector pin hole, and then moves forward together with the second ejector plate, and when the second ejector pin moves forward along with the second ejector plate onto the second template, the first template and the second ejector plate are fixed together and move forward together with the second ejector plate, so that the second ejector pin ejects paint slag in the second die core, thereby realizing a slag discharging function.
Fifth, resetting the second ejector plate: referring to fig. 10, the second ejector plate and the first die plate return under the action of the ejector pin of the die casting machine.
Sixth, die assembly: referring to fig. 11, the die casting machine drives the first rear die plate 2, the second rear die plate 3, the first ejector plate 4, the second ejector plate 5 and the bottom plate 6 to move inwards together to die with the front die plate 1, thus completing one-time product molding.
This die casting die is owing to set up two templates and two mould benevolence, and the second back mould benevolence is used for arranging the sediment, can be with the inside effectual discharge of air of post position to can be with unnecessary cold charge exhaust, effectively solve the poor problem of product filling, improve die casting product quality.
Therefore, the die-casting mould structure changes the traditional two-template structure into a three-template structure, one template is used for forming products, namely the material level, and the other template is used for deslagging and ejection, so that the problem of poor product filling when the column positions of the products are higher and more is solved, and the quality of die-casting products is improved. In addition, the die casting die structure is also provided with a delayed ejection structure, so that the phenomenon that the ejector pin is bent or broken due to overlarge force is prevented, and the service life of the ejector pin and the product quality are improved.
Claims (5)
1. The utility model provides a die casting die structure which characterized in that: the slag-removing machine comprises a front template (1), a first rear template (2), a second rear template (3), a first ejector pin plate (4), a second ejector pin plate (5) and a bottom plate (6) which are sequentially arranged, wherein a first die core for forming a product is arranged between the front template and the first rear template, and a second die core for removing slag is arranged between the first rear template and the second rear template; the first ejector plate is provided with a first ejector pin (41), the first ejector pin movably penetrates through the second rear template and extends to a first die core of the first rear template, an oil cylinder (7) is fixed on the second rear template, and the oil cylinder can drive the first ejector plate to move back and forth so as to eject a product formed in the first die core; the second ejector plate is fixedly connected with the first rear template, a second ejector pin (51) is arranged on the second ejector plate, the second ejector pin movably penetrates through the first ejector plate and extends to a second rear die core on the second rear template, a die casting machine ejector pin (8) penetrates through the bottom plate to be fixed on the second ejector plate, and the die casting machine ejector pin can drive the second ejector plate to move back and forth so as to eject paint residues in the second die core.
2. The die casting die structure according to claim 1, characterized in that: the four corners of the first ejector pin plate are respectively provided with a return pin (42), and the return pins are movably arranged in the second rear template (3) and the first rear template (2) in a penetrating mode.
3. The die casting die structure according to claim 1, characterized in that: four corners of the second rear template are respectively provided with a guide pillar (31), and the guide pillars movably penetrate through the first rear template.
4. The die casting die structure according to claim 1, characterized in that: the second ejector plate is fixedly connected with the first rear template through a connecting rod (9).
5. The die casting die structure according to claim 1, characterized in that: the bottom plate is fixedly provided with an insert needle (10) corresponding to the second thimble position, and a second thimble hole (52) on the second thimble plate is three-section type: the first section radius of the second thimble hole is the same as the radius of the insert needle, the second section radius of the second thimble hole is the same as the radius of the countersunk head part of the second thimble, the third section radius of the second thimble hole is the same as the radius of the thimble of the second thimble, and the length of the second section of the second thimble hole is larger than the length of the countersunk head part of the second thimble; when the second ejector pin plate is not in an ejection state, the end part of the insert pin movably penetrates through the first section of the second ejector pin hole, extends into the second section of the second ejector pin hole and is ejected to the outer end face of the countersunk head part of the second ejector pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810152346.1A CN108160972B (en) | 2018-02-14 | 2018-02-14 | Die casting die structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810152346.1A CN108160972B (en) | 2018-02-14 | 2018-02-14 | Die casting die structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108160972A CN108160972A (en) | 2018-06-15 |
| CN108160972B true CN108160972B (en) | 2023-08-15 |
Family
ID=62510615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810152346.1A Active CN108160972B (en) | 2018-02-14 | 2018-02-14 | Die casting die structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108160972B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112371946B (en) * | 2020-10-20 | 2021-10-15 | 苏州恒荣精密机电有限公司 | Thin-wall part die |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09234768A (en) * | 1996-02-29 | 1997-09-09 | Seikosha Co Ltd | Mold apparatus for injection molding |
| CN202895577U (en) * | 2012-05-25 | 2013-04-24 | 芜湖国风塑胶科技有限公司 | Plastic injection mold structure |
| CN203580017U (en) * | 2013-11-21 | 2014-05-07 | 富港电子（东莞）有限公司 | Mould |
| CN203830694U (en) * | 2014-03-14 | 2014-09-17 | 东莞市东升压铸模具有限公司 | Spherical product die-casting die capable of discharging air and slag easily |
| CN104493131A (en) * | 2014-12-26 | 2015-04-08 | 东莞市东升压铸模具有限公司 | Secondary ejection die-casting die |
| CN206344396U (en) * | 2016-12-02 | 2017-07-21 | 昆山缔微致精密电子有限公司 | A kind of two template dies turn male model and pour in down a chimney small click-through gluing mechanism |
| CN206367153U (en) * | 2016-12-29 | 2017-08-01 | 上海微研精工有限公司 | The injection mold of interior cut fracture |
| CN206999539U (en) * | 2017-07-03 | 2018-02-13 | 厦门树容工贸有限公司 | A kind of injection mold for automatically cutting off material head |
| CN208322039U (en) * | 2018-02-14 | 2019-01-04 | 昆山上达精密配件有限公司 | Structure of cast die |
-
2018
- 2018-02-14 CN CN201810152346.1A patent/CN108160972B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09234768A (en) * | 1996-02-29 | 1997-09-09 | Seikosha Co Ltd | Mold apparatus for injection molding |
| CN202895577U (en) * | 2012-05-25 | 2013-04-24 | 芜湖国风塑胶科技有限公司 | Plastic injection mold structure |
| CN203580017U (en) * | 2013-11-21 | 2014-05-07 | 富港电子（东莞）有限公司 | Mould |
| CN203830694U (en) * | 2014-03-14 | 2014-09-17 | 东莞市东升压铸模具有限公司 | Spherical product die-casting die capable of discharging air and slag easily |
| CN104493131A (en) * | 2014-12-26 | 2015-04-08 | 东莞市东升压铸模具有限公司 | Secondary ejection die-casting die |
| CN206344396U (en) * | 2016-12-02 | 2017-07-21 | 昆山缔微致精密电子有限公司 | A kind of two template dies turn male model and pour in down a chimney small click-through gluing mechanism |
| CN206367153U (en) * | 2016-12-29 | 2017-08-01 | 上海微研精工有限公司 | The injection mold of interior cut fracture |
| CN206999539U (en) * | 2017-07-03 | 2018-02-13 | 厦门树容工贸有限公司 | A kind of injection mold for automatically cutting off material head |
| CN208322039U (en) * | 2018-02-14 | 2019-01-04 | 昆山上达精密配件有限公司 | Structure of cast die |
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| Publication number | Publication date |
|---|---|
| CN108160972A (en) | 2018-06-15 |
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