CN115007832B - NMIP high-strength die casting die - Google Patents
NMIP high-strength die casting die Download PDFInfo
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- CN115007832B CN115007832B CN202210540125.8A CN202210540125A CN115007832B CN 115007832 B CN115007832 B CN 115007832B CN 202210540125 A CN202210540125 A CN 202210540125A CN 115007832 B CN115007832 B CN 115007832B
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- cavity
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- lower die
- runner
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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
-
- 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
- B22D17/2209—Selection of die materials
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The application discloses an NMIP high-strength die casting die which comprises an upper die and a lower die, wherein an upper die cavity is arranged on the lower surface of the upper die, an overflow runner is arranged in the upper die, a lower die cavity is arranged on the upper surface of the lower die, the upper die cavity and the lower die cavity are rectangular cavities, the sizes of the upper die cavity and the lower die cavity are matched, the upper die cavity and the lower die cavity are butted together to form a rectangular die cavity, the inner surface of the upper die cavity and the inner surface of the lower die cavity are respectively penetrated into an NMIP seepage layer, a pouring runner is arranged in the lower die, the upper end of the pouring runner extends to the lower die cavity and is communicated with the lower die cavity, a rectangular long cavity is arranged on the bottom surface of the lower die cavity, a plurality of groups of fixture cavities are arranged on the bottom surface of the lower die cavity, and a column cavity and a plurality of studs are arranged on the bottom surface of the lower die cavity. The application has the advantages of improving the quality of guide plate compression casting and prolonging the service life of the die.
Description
Technical Field
The application relates to the technical field of guide plate die casting die improvement, in particular to an NMIP high-strength die casting die.
Background
The guide plate is an important component for guiding and pushing products to be packaged in an automatic production process, the guide plate is generally processed in a stamping mode, the stamping mode is not applicable to some guide plates with complex structures, and the surface structure modeling and the layout roughness of the guide plate cannot meet the requirements of actual use; therefore, the production of the guide plate with complex plate surface structure adopts a die-casting process, the corresponding die-casting die structure is an important tool for casting and producing guide plates with different plate surface shapes, the die-casting die is a precise tool, the shape is complex, the expansion force of the blank needs to be born, and the requirements on structural strength, rigidity, surface hardness, surface roughness and processing precision are high.
The existing die casting die is composed of an upper die and a lower die, a cavity and parting joint surfaces are arranged between the upper die and the lower die, the sealing mode of the cavity is usually a movable die fixed die plane sealing mode, and the inner surface of the die casting die is easy to generate stress deformation under the condition of repeated heat circulation so as to influence the shaping quality of the plate surface of the guide plate, so that the processing requirement of the plate surface structure of the specific guide plate cannot be met.
Disclosure of Invention
The application aims to solve the problems, and designs an NMIP high-strength die casting die.
An NMIP high-strength die casting die comprises an upper die and a lower die, wherein a plurality of guide posts are fixedly arranged on the lower surface of the upper die, a plurality of guide grooves are arranged on the upper surface of the lower die, the guide grooves and the guide posts are in one-to-one correspondence, the guide posts can be downwards inserted into the corresponding guide grooves,
an upper cavity is formed in the lower surface of the upper die, an overflow runner is arranged in the upper die, the lower end of the overflow runner extends to the upper cavity and is communicated with the upper cavity, the upper end of the overflow runner extends to the upper surface of the upper die and is communicated with the upper cavity, a lower cavity is formed in the upper surface of the lower die, the upper cavity and the lower cavity are rectangular cavities, the sizes of the upper cavity and the lower cavity are matched, the upper cavity and the lower cavity are butted together to form a rectangular die cavity, the inner surfaces of the upper cavity and the lower cavity penetrate into an NMIP seepage layer, a pouring runner is arranged in the lower die, the upper end of the pouring runner extends to the lower cavity and is communicated with the lower cavity, and the lower end of the pouring runner penetrates through the lower surface of the lower die and extends to the lower side of the lower die;
the bottom surface of the lower cavity is provided with a rectangular long cavity, the front surface of the long cavity is aligned with the front surface of the lower cavity, the rear surface of the long cavity is aligned with the rear surface of the lower cavity, the left side surface of the long cavity is aligned with the left side surface of the lower cavity, the bottom surface of the lower cavity is provided with a plurality of groups of fixture cavities, the bottom surface of the lower cavity is provided with a column cavity and a plurality of studs, the length direction of the column cavity is vertical to the bottom surface of the lower cavity, the studs are arranged on the same circumference around the column cavity in equal angles, and the length direction of the studs is vertical to the bottom surface of the lower cavity;
the lower die is characterized in that a plurality of first grooves are further formed in the bottom surface of the lower die cavity, a top plate is arranged in the first grooves, the size of the top plate is matched with the size of the first grooves, the upper surface of the top plate is aligned with the bottom surface of the lower die cavity, the lower die further comprises a lifting plate and a plurality of lifting rods, the lifting plates are located below the lower die, the lifting rods are in one-to-one correspondence with the first grooves, the length direction of the lifting rods is perpendicular to the bottom surface of the lower die cavity, the upper ends of the lifting rods extend into the corresponding grooves and are fixedly connected with the lower surface of the top plate in the first grooves, the lower ends of the lifting rods vertically penetrate through the lower surface of the lower die and are fixedly connected with the upper surface of the lifting plate, and the lower surface of the lifting plate is connected with a driving part.
The overflow runner is close to the left side edge of the upper cavity, and the pouring runner is close to the right side edge of the lower cavity.
The overflow runner and the pouring runner are circular pore channels, and the diameter of the overflow runner is not more than one half of the diameter of the pouring runner.
The diameter value of the overflow pipeline is smaller than the thickness value of the cavity, and the diameter value of the pouring runner is larger than the thickness value of the cavity.
The multiple groups of fixture cavities are all positioned on the right side of the long cavity, each group of fixture cavities are arranged on a straight line, and the straight line where each group of fixture cavities are positioned is parallel to the length direction of the long cavity.
The distance value between the left side surface and the right side surface of the long cavity is equal to the distance value between the upper surface and the lower surface of the die cavity, and the distance value between the left side surface and the right side surface of the long cavity is larger than the distance value between the left side surface and the right side surface of the clamp cavity.
The number of each group of fixture cavities is not less than three, the fixture cavities are formed by splicing a rectangular cavity and two mutually parallel cylindrical cavities, the rectangular cavity and the cylindrical cavities are all located in the same plane, and the upper ends of the cylindrical cavities are communicated with the rectangular cavities.
The lower surface of the lower die is provided with a second groove, the second groove is matched with the lifting plate, and the lifting plate can be embedded into the second groove and can be aligned with the lower surface of the lower die.
The upper end face of the stud is aligned with the upper surface of the lower die.
Temperature control devices are arranged in the upper die and the lower die, and the temperature control devices adjust the temperature in the upper die cavity and the temperature in the lower die cavity in a heat exchange mode.
Advantageous effects
The NMIP high-strength die casting die manufactured by the technical scheme has the following advantages:
1. the device is used for die-casting the shape structure of the guide plate surface through the upper cavity, the lower cavity, the long cavity, the upright post cavity and the clamp cavity in the lower cavity, and provides a structural foundation for automatic conveying in automatic production;
2. the NMIP seepage layer is permeated on the inner surface of the upper cavity and the inner surface of the lower cavity, the intensity of the inner surface of the upper cavity and the intensity of the inner surface of the lower cavity are increased through the NMIP seepage layer, deformation of the guide plate and the plate surface structure of the guide plate is avoided, and the modeling quality and the service life of the die are improved.
Drawings
Fig. 1 is a schematic structural view of an NMIP high-strength die casting die in an initial state according to the present application;
fig. 2 is a schematic structural view of an NMIP high-strength die casting die in an open state according to the present application;
FIG. 3 is a schematic view of the lower die of the present application when the lower die is released;
FIG. 4 is a schematic view of the structure of the lower surface of the upper mold according to the present application;
FIG. 5 is a schematic view of the structure of the upper surface of the lower die according to the present application;
FIG. 6 is a schematic view of the structure of the fixture chamber of the present application;
in the figure, 1, an upper die; 2. a lower die; 3. a guide post; 4. a guide groove; 5. an upper cavity; 6. an overflow flow channel; 7. a lower cavity; 8. pouring a runner; 9. a long cavity; 10. a column cavity; 11. a stud; 12. a groove I; 13. a top plate; 14. a lifting plate; 15. a push rod; 16. a second groove; 17. and a clamp cavity.
Detailed Description
The present application will be described in detail with reference to the accompanying drawings, as shown in fig. 1 to 6;
the first creation point of the application is that NMIP seepage layers are permeated into the inner surface of an upper cavity and the inner surface of a lower cavity, a rectangular long cavity 9 is arranged on the bottom surface of the lower cavity, the front surface of the long cavity is aligned with the front surface of the lower cavity, the rear surface of the long cavity is aligned with the rear surface of the lower cavity, the left side surface of the long cavity is aligned with the left side surface of the lower cavity, a plurality of groups of fixture cavities are arranged on the bottom surface of the lower cavity, a vertical column cavity 10 and a plurality of studs 11 are arranged on the bottom surface of the lower cavity, the length direction of the vertical column cavity is vertical to the bottom surface of the lower cavity, a plurality of studs are arranged on the same circumference around the vertical column cavity in equal angles, and the length direction of each stud is vertical to the bottom surface of the lower cavity;
the second creation point of the application is that the overflow runner is close to the left side edge of the upper cavity, the pouring runner is close to the right side edge of the lower cavity, the overflow runner and the pouring runner are both round channels, the diameter of the overflow runner is not more than one half of the diameter of the pouring runner, the diameter value of the overflow pipeline is smaller than the thickness value of the cavity, the diameter value of the pouring runner is larger than the thickness value of the cavity, a plurality of groups of fixture cavities are all positioned on the right side of the long cavity, the distance value between the left side surface and the right side surface of the long cavity is equal to the distance value between the upper surface and the lower surface of the die cavity, the distance value between the left side surface and the right side surface of the long cavity is larger than the distance value between the left side surface and the right side surface of the fixture cavity, the fixture cavities are formed by splicing a rectangular cavity and two mutually parallel cylindrical cavities, the rectangular cavity and the cylindrical cavities are all positioned in the same plane, and the upper ends of the cylindrical cavities are communicated with the rectangular cavity;
the electronic device adopted by the technical scheme comprises:
the driving component and the matched controller and power supply thereof;
the driving component can be an air cylinder, a hydraulic cylinder or a linear motor;
the electronic devices are all existing products, the technical scheme of the application has no special requirements and changes on the structure of the electronic devices, and the electronic devices belong to conventional electronic equipment;
in the implementation process of the technical scheme, the person skilled in the art needs to connect all the electric components in the scheme with the adaptive power supply thereof through wires, and should select a proper controller according to actual conditions so as to meet control requirements, specific connection and control sequence, and the electric connection is completed by referring to the following working principles in the working sequence among the electric components, wherein the detailed connection means are known in the art, and the following main description of the working principles and processes are omitted;
in the implementation process of the technical scheme of the application, the initial state of the whole device is shown in figure 1, and a worker injects high-pressure metal liquid into a mold cavity through a pouring runner, and the size of the pouring runner is larger than that of the mold cavity, so that the mold cavity, a long cavity, a column cavity and a clamp cavity can be quickly filled with the metal liquid after the metal liquid enters the mold cavity. Because the size of the overflow runner is smaller than that of the die cavity, the long cavity, the upright post cavity and the metal liquid in the clamp cavity are kept in a high-pressure state until the metal liquid is shaped. After the guide plate is shaped, the upper die is lifted, the state of the whole device is shown in fig. 2, then the driving part drives the lifting plate to lift, the ejector rod and the top plate eject the qualitative guide plate from the lower cavity until the upright post on the lower surface of the guide plate is completely separated from the lower die, so that the demolding work of the guide plate is completed, staff performs later-stage treatment on the guide plate after demolding, and the state of the lower die is shown in fig. 3. The thickness of the seepage layer on the inner surface of the upper die cavity and the inner surface of the lower die cavity is 250-300 mu pi iota.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The term "comprising" an element defined by the term "comprising" does not exclude the presence of other identical elements in a process, method, article or apparatus that comprises the element.
The above technical solution only represents the preferred technical solution of the present application, and some changes that may be made by those skilled in the art to some parts of the technical solution represent the principles of the present application, and the technical solution falls within the scope of the present application.
Claims (10)
1. An NMIP high-strength die casting die comprises an upper die (1) and a lower die (2), wherein a plurality of guide posts (3) are fixedly arranged on the lower surface of the upper die, a plurality of guide grooves (4) are arranged on the upper surface of the lower die, the guide grooves and the guide posts are in one-to-one correspondence, the guide posts can be downwards inserted into the corresponding guide grooves, the die casting die is characterized in that,
an upper cavity (5) is formed in the lower surface of the upper die, an overflow runner (6) is arranged in the upper die, the lower end of the overflow runner extends to the upper cavity and is communicated with the upper cavity, the upper end of the overflow runner extends to the upper surface of the upper die and is communicated with the upper cavity, a lower cavity (7) is formed in the upper surface of the lower die, the upper cavity and the lower cavity are rectangular cavities, the sizes of the upper cavity and the lower cavity are matched, the upper cavity and the lower cavity are butted together to form a rectangular die cavity, the inner surface of the upper cavity and the inner surface of the lower cavity are penetrated into an NMIP seepage layer, a pouring runner (8) is arranged in the lower die, the upper end of the pouring runner extends to the lower cavity and is communicated with the lower cavity, and the lower end of the pouring runner penetrates through the lower surface of the lower die and extends to the lower part of the lower die;
a rectangular long cavity (9) is formed in the bottom surface of the lower cavity, the front surface of the long cavity is aligned with the front surface of the lower cavity, the rear surface of the long cavity is aligned with the rear surface of the lower cavity, the left side surface of the long cavity is aligned with the left side surface of the lower cavity, a plurality of groups of fixture cavities (17) are formed in the bottom surface of the lower cavity, a column cavity (10) and a plurality of studs (11) are formed in the bottom surface of the lower cavity, the length direction of the column cavity is perpendicular to the bottom surface of the lower cavity, the studs are arranged on the same circumference around the column cavity in equal angles, and the length direction of each stud is perpendicular to the bottom surface of the lower cavity;
the lower die is characterized in that a plurality of first grooves (12) are further formed in the bottom surface of the lower die cavity, a top plate (13) is arranged in the first grooves, the size of the top plate is matched with the size of the first grooves, the upper surface of the top plate is aligned with the bottom surface of the lower die cavity, the lower die further comprises a lifting plate (14) and a plurality of lifting rods (15), the lifting plates are located below the lower die, the lifting rods are in one-to-one correspondence with the first grooves, the length direction of the lifting rods is perpendicular to the bottom surface of the lower die cavity, the upper ends of the lifting rods extend into the corresponding grooves and are fixedly connected with the lower surface of the top plate in the first grooves, the lower ends of the lifting rods vertically penetrate through the lower surface of the lower die downwards and are fixedly connected with the upper surface of the lifting plates, and the driving parts drive the lifting plates to do lifting motion.
2. The NMIP high strength die casting die of claim 1, wherein the overflow channel is adjacent to a left side of the upper cavity and the pouring channel is adjacent to a right side of the lower cavity.
3. The NMIP high strength die casting die of claim 1, wherein the overflow runner and the pouring runner are both circular channels, and the diameter of the overflow runner is no more than one half of the diameter of the pouring runner.
4. The NMIP high strength die casting die of claim 1, wherein the diameter of the overflow conduit is less than the thickness of the cavity, and the diameter of the pouring runner is greater than the thickness of the cavity.
5. The NMIP high strength die casting die of claim 1, wherein the plurality of sets of fixture cavities are each located on a right side of the long cavity, each set of fixture cavities being aligned in a line, the line in which each set of fixture cavities is located being parallel to the length direction of the long cavity.
6. The NMIP high strength die casting die according to claim 1, wherein the distance between the left side and the right side of the long cavity is equal to the distance between the upper surface and the lower surface of the die cavity, and the distance between the left side and the right side of the long cavity is greater than the distance between the left side and the right side of the fixture cavity.
7. The NMIP high strength die casting die according to claim 1, wherein the number of each set of fixture cavities is not less than three, the fixture cavities are formed by splicing a rectangular cavity and two mutually parallel cylindrical cavities, the rectangular cavity and the cylindrical cavity are all located in the same plane, and the upper end of the cylindrical cavity is communicated with the rectangular cavity.
8. The NMIP high strength die casting die according to claim 1, wherein the lower surface of the lower die is provided with a second groove (16), the second groove being matched with a lifting plate, the lifting plate being capable of being inserted into the second groove and ensuring that the lower surface of the lifting plate is aligned with the lower surface of the lower die.
9. The NMIP high strength die casting die of claim 1, wherein the upper end surface of the stud is aligned with the upper surface of the lower die.
10. The NMIP high strength die casting die according to claim 1, wherein temperature control devices are arranged in the upper die and the lower die, and the temperature control devices adjust the temperature in the upper die cavity and the lower die cavity in a heat exchange manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210540125.8A CN115007832B (en) | 2022-05-17 | 2022-05-17 | NMIP high-strength die casting die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210540125.8A CN115007832B (en) | 2022-05-17 | 2022-05-17 | NMIP high-strength die casting die |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115007832A CN115007832A (en) | 2022-09-06 |
| CN115007832B true CN115007832B (en) | 2023-12-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210540125.8A Active CN115007832B (en) | 2022-05-17 | 2022-05-17 | NMIP high-strength die casting die |
Country Status (1)
| Country | Link |
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| CN (1) | CN115007832B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011224650A (en) * | 2010-03-30 | 2011-11-10 | Ryobi Ltd | Die casting device and die casting method |
| CN203639559U (en) * | 2013-12-13 | 2014-06-11 | 宁波久腾车灯电器有限公司 | Die casting mould with diffusion-coated composite surface coating |
-
2022
- 2022-05-17 CN CN202210540125.8A patent/CN115007832B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011224650A (en) * | 2010-03-30 | 2011-11-10 | Ryobi Ltd | Die casting device and die casting method |
| CN203639559U (en) * | 2013-12-13 | 2014-06-11 | 宁波久腾车灯电器有限公司 | Die casting mould with diffusion-coated composite surface coating |
Non-Patent Citations (1)
| Title |
|---|
| 表面铸渗耐磨材料的现状及趋势;王西;魏世忠;吴修德;徐流杰;;铸造(01);全文 * |
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| Publication number | Publication date |
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| CN115007832A (en) | 2022-09-06 |
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