CN117733073A - Investment casting pouring mold and rapid preparation method thereof - Google Patents
Investment casting pouring mold and rapid preparation method thereof Download PDFInfo
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- CN117733073A CN117733073A CN202311761391.4A CN202311761391A CN117733073A CN 117733073 A CN117733073 A CN 117733073A CN 202311761391 A CN202311761391 A CN 202311761391A CN 117733073 A CN117733073 A CN 117733073A
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- 238000005495 investment casting Methods 0.000 title claims abstract description 22
- 238000002360 preparation method Methods 0.000 title abstract description 7
- 238000007639 printing Methods 0.000 claims abstract description 17
- 239000011347 resin Substances 0.000 claims abstract description 16
- 229920005989 resin Polymers 0.000 claims abstract description 16
- 238000013461 design Methods 0.000 claims abstract description 14
- 238000004519 manufacturing process Methods 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 12
- 239000007769 metal material Substances 0.000 claims abstract description 8
- 238000000465 moulding Methods 0.000 claims description 20
- 238000003825 pressing Methods 0.000 claims description 19
- 238000010146 3D printing Methods 0.000 claims description 5
- 238000007689 inspection Methods 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 238000012360 testing method Methods 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 11
- 238000007493 shaping process Methods 0.000 abstract description 5
- 210000001503 joint Anatomy 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 abstract description 2
- 238000007723 die pressing method Methods 0.000 description 27
- 229910052751 metal Inorganic materials 0.000 description 8
- 239000002184 metal Substances 0.000 description 8
- 239000000463 material Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012827 research and development Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention relates to the technical field of investment casting, in particular to an investment casting pouring mold and a rapid preparation method thereof, wherein an upper mold of a mold frame and a lower mold of the mold frame are both prepared by adopting metal materials, and an upper mold of a mold core and a lower mold of the mold core are both prepared by adopting 3D resin printing; the die carrier upper die and the die core upper die are detachably and fixedly connected, the die core lower die and the die carrier lower die are detachably and fixedly connected, the die core upper die and the die core lower die are arranged between the die carrier upper die and the die carrier lower die, the die core upper die and the die core lower die are in sealing butt joint, a shaping space matched with a corresponding blade design structure is formed between the die core upper die and the die core lower die, and the pouring channel unit is arranged between the die core upper die and the die core lower die and is communicated with the shaping space. The beneficial effects of the invention are as follows: the subsequent adjustment of the pouring channel structure and the remanufacturing of the die only need to be related as required and the 3D resin printing is used for rapidly preparing the upper die of the die core and the lower die of the die core, and the manufacturing period of the pouring channel die can be greatly shortened by the method.
Description
Technical Field
The invention relates to the technical field of investment casting, in particular to an investment casting pouring mold and a rapid preparation method thereof.
Background
In the process of investment casting of the blade, a pouring system (pouring gate for short) is an important content of a process scheme, and in the development process, the influence of a time period caused by long manufacturing period and waiting of a metal mold for pressing the pouring gate is serious. In addition, the adjustment of the runner structure and the remanufacturing of the mold are all involved in the process iteration optimization, so that the overall research and development progress of the product is slow, and the mode obviously cannot meet the rapid research and development requirements of the industry nowadays.
Disclosure of Invention
The technical problem to be solved by the invention is to provide the investment casting pouring mold and the rapid preparation method thereof, which can greatly shorten the manufacturing period of the runner mold and realize the rapid preparation of the investment casting pouring mold unit.
The technical scheme for solving the technical problems is as follows: the investment casting pouring die comprises a die frame upper die, a die core upper die, a pouring gate unit, a die core lower die and a die frame lower die, wherein the die frame upper die and the die frame lower die are both made of metal materials, and the die core upper die and the die core lower die are both made of 3D resin through printing; the die carrier upper die and the die core upper die are detachably and fixedly connected, the die core lower die and the die carrier lower die are detachably and fixedly connected, the die carrier upper die is connected with the die carrier lower die, the die core upper die and the die core lower die are arranged between the die carrier upper die and the die carrier lower die, the die core upper die and the die core lower die are in sealing butt joint, a shaping space matched with a corresponding blade design structure is formed between the die core upper die and the die core lower die, and the runner unit is arranged between the die core upper die and the die core lower die and is communicated with the shaping space.
The beneficial effects of the invention are as follows: the pouring gate mould is split into two parts of a mould core and a mould frame, the mould frame upper mould and the mould frame lower mould of the mould frame part are designed into universal metal outer moulds, pouring gate requirements in a certain size range can be met, the mould core upper mould and the mould core lower mould assembled in the mould frame are rapidly prepared by adopting 3D resin printing, the subsequent pouring gate structure adjustment and mould remanufacturing only need to be related to and rapidly prepare the mould core upper mould and the mould core lower mould by adopting 3D resin printing, and the manufacturing period of the pouring gate mould can be greatly shortened by adopting the method.
On the basis of the technical scheme, the invention can be improved as follows.
Further, upper mould pressing strip fastening seats are arranged on two opposite side edges of the upper mould of the mould core, and the upper mould pressing strip fastening seats are detachably and fixedly installed on the bottom surface of the upper mould of the mould frame through upper mould locking bolts.
The beneficial effects of adopting the further scheme are as follows: the upper die pressing strip seat is arranged, so that the die core upper die can be conveniently and rapidly assembled and disassembled with the die frame upper die.
Further, an upper die pressing strip fastening plate is arranged on the bottom surface of the upper die pressing strip fastening seat, and the screw end of the upper die locking bolt sequentially penetrates through the upper die pressing strip fastening plate and the upper die pressing strip fastening seat and then is in threaded connection with the upper die of the die carrier.
The beneficial effects of adopting the further scheme are as follows: the arrangement of the upper mould pressing tightening strip can further ensure the connection stability of the upper mould of the mould core and the upper mould of the mould frame.
Further, lower die pressing strip seats are arranged on two opposite side edges of the die core lower die, and the lower die pressing strip seats are detachably and fixedly installed on the bottom surface of the die frame lower die through lower die locking bolts.
The beneficial effects of adopting the further scheme are as follows: the lower die pressing strip fastening seat is arranged, so that the die core lower die can be conveniently and rapidly assembled and disassembled with the die frame lower die.
Further, a lower die pressing strip fastening plate is arranged on the top surface of the lower die pressing strip fastening seat, and the screw end of the lower die locking bolt sequentially penetrates through the lower die pressing strip fastening plate and the lower die pressing strip fastening seat and then is in threaded connection with the lower die of the die carrier.
The beneficial effects of adopting the further scheme are as follows: the arrangement of the lower die pressing strip can further ensure the connection stability of the die core lower die and the die frame lower die.
Further, the bottom surface of the die carrier upper die and the top surface of the die carrier lower die are provided with positioning columns and positioning grooves which are matched with each other.
The beneficial effects of adopting the further scheme are as follows: the positioning columns and the positioning grooves can facilitate quick positioning and installation of the upper die and the lower die of the die carrier.
Further, a pouring gate used for communicating the pouring gate unit is arranged at the joint of the upper die of the die frame and the lower die of the die frame.
The beneficial effects of adopting the further scheme are as follows: the pouring gate is arranged to facilitate casting of the molding melt into the pouring gate unit.
The invention also provides a method for rapidly preparing the investment casting pouring mold, which solves the technical problems and comprises the following steps:
designing a three-dimensional mould of a pouring channel through design software, and arranging to form a pressing group tree of the pouring channel;
designing a mold structure, wherein the mold structure comprises a mold core and a mold frame, and the mold frame is designed into a general structure;
completing the molding design of a pouring channel, performing mold separation operation through software, adding a set assembly structure matched with a mold frame part, and completing the design of a mold core part;
preparing a die carrier by adopting a metal material;
introducing the mold core part data into 3D printing equipment, and printing a mold core entity by adopting 3D resin;
after the surface of the printed mold core part is cleaned, the mold core part and the mold frame part are assembled and locked, the pressure test production is carried out, and the mold can be put into production and used after the mold matching is confirmed to be free of problems.
The beneficial effect of above-mentioned scheme is: the pouring gate mould is divided into a mould core part and a mould frame part, the mould frame part is a universal metal mould, the mould core part is rapidly prepared through 3D resin printing, the subsequent adjustment of the pouring gate structure and the reconstruction of the mould only need to be related to and the mould core part is rapidly prepared through 3D resin printing, and then the prepared mould core part is assembled with the existing universal metal mould frame part, so that the manufacturing period of the pouring gate mould can be greatly shortened.
Further, before the mold core part data is introduced into the 3D printing apparatus, modeling inspection, support generation, and slicing operations are performed.
The beneficial effects of adopting the further scheme are as follows: ensure the smooth printing of the mold core part and avoid the waste of materials.
Further, the method for assembling and locking the die core part and the die frame part comprises the step of detachably fixing the die core part on the die frame part through a locking bolt.
The beneficial effects of adopting the further scheme are as follows: the quick assembly and disassembly of the die core part and the die frame part are convenient.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
in the drawings, the list of components represented by the various numbers is as follows:
1. pressing the upper mold to tightly clamp the batten; 2. a runner unit; 3. locking a screw rod by a lower die; 4. a die carrier is put on a die; 5. the mould core is put on the mould; 6. locking a screw rod by an upper die; 7. lower die pressing tightly strips; 8. a lower die of the die core; 9. a lower die of the die carrier; 10. a shaping space; 11. the strip tightening seat is pressed up; 12. lower die pressing strip tightening seat; 13. positioning columns; 14. a positioning groove; 15. and (5) pouring gate.
Detailed Description
The principles and features of the present invention are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the invention and are not to be construed as limiting the scope of the invention.
Example 1
As shown in fig. 1, this embodiment discloses an investment casting pouring mold 1, which comprises an upper mold 4, an upper mold core mold 5, a runner unit 2, a lower mold core mold 8 and a lower mold frame mold 9, wherein the upper mold 4 and the lower mold frame mold 9 are both made of metal materials, and the upper mold core mold 5 and the lower mold core mold 8 are both made of 3D resin by printing. In actual preparation, the runner unit 2 is a channel provided in the upper mold 5 and the lower mold 8 for pouring molten metal, and there is no solid structure as in fig. 1, and the runner unit 2 in fig. 1 is a solid model structure diagram provided for facilitating understanding of the structure of the runner unit 2.
The die carrier upper die 4 with the die carrier upper die 5 can dismantle fixed connection, the die carrier lower die 8 with the die carrier lower die 9 can dismantle fixed connection, die carrier upper die 4 with die carrier lower die 9 connects, die carrier upper die 5 with die carrier lower die 8 establishes die carrier upper die 4 with between die carrier lower die 9, die carrier upper die 5 with die carrier lower die 8 seals the butt form between die carrier upper die 5 with die carrier lower die 8 has the design space 10 that matches in corresponding blade design structure, runner unit 2 establishes die carrier upper die 5 with between die carrier lower die 8 and with design space 10 intercommunication, die carrier upper die 4 with die carrier lower die 9's junction is equipped with and is used for the intercommunication runner unit 2 runner 15.
In the embodiment of the invention, upper molding tightening strip seats 11 are arranged on two opposite side edges of the upper mold core mold 5, the upper molding tightening strip seats 11 are detachably and fixedly arranged on the bottom surface of the upper mold 4 of the mold frame through upper mold locking bolts 6, in particular, upper molding tightening strip plates are arranged on the bottom surface of the upper mold tightening strip seats 11, screw ends of the upper mold locking bolts 6 sequentially penetrate through the upper molding tightening strip plates and the upper molding tightening strip seats 11 and then are in threaded connection with the upper mold 4 of the mold frame, a plurality of through holes which are communicated in one-to-one correspondence are arranged at corresponding positions of the upper molding tightening strip seats 11 and the upper molding tightening strip plates, threaded holes which are communicated in one-to-one correspondence with the through holes are arranged on the bottom surface of the upper mold 4 of the mold frame, the upper mold locking bolts 6 are in threaded connection with the threaded holes, and the head parts of the upper mold locking bolts 6 compress the upper molding tightening strip plates and the upper mold tightening strip seats 11 on the bottom surface of the upper mold frame 4. The upper die pressing strip seat 11 is arranged, so that the die core upper die 5 can be conveniently and rapidly assembled and disassembled with the die frame upper die 4, and the arrangement of the upper die pressing strip can further ensure the connection stability of the die core upper die 5 and the die frame upper die 4.
In the embodiment of the invention, two opposite side edges of the lower die 8 of the die core are provided with lower die pressing strip seats 12, the lower die pressing strip seats 12 are detachably and fixedly installed on the bottom surface of the lower die 9 of the die frame through lower die locking bolts 3, lower die pressing strip 7 is arranged on the top surface of the lower die pressing strip seats 12, screw ends of the lower die locking bolts 3 sequentially penetrate through the lower die pressing strip 7 and the lower die pressing strip seats 12 and then are in threaded connection with the lower die 9 of the die frame, a plurality of through holes which are communicated in one-to-one correspondence are arranged at corresponding positions of the lower die pressing strip seats 12 and the lower die pressing strip 7, threaded holes which are communicated in one-to-one correspondence with the through holes are formed in the bottom surface of the lower die 9 of the die frame, the lower die locking bolts 3 are in threaded connection with the threaded holes, and heads of the lower die locking bolts 3 press the lower die pressing strip 7 and the lower die pressing strip seats 12 on the top surface of the lower die frame 9. The top surface of the lower mould pressing strip seat 12 is provided with a lower mould pressing strip 7, the screw rod end of the lower mould locking bolt 3 sequentially penetrates through the lower mould pressing strip 7 and the lower mould pressing strip seat 12 and then is in threaded connection with the lower mould 9 of the mould frame, and the arrangement of the lower mould pressing strip 7 can further ensure the connection stability of the lower mould 8 of the mould core and the lower mould 9 of the mould frame.
In a preferred embodiment, the bottom surface of the upper die 4 and the top surface of the lower die 9 are provided with positioning posts 13 and positioning slots 14 which are matched with each other, and the positioning posts 13 and the positioning slots 14 can facilitate the rapid positioning and installation of the upper die 4 and the lower die 9.
The pouring gate die in the embodiment is split into two parts of a die core and a die frame, the die frame upper die 4 and the die frame lower die 9 of the die frame part are designed into universal metal outer dies, pouring gate requirements in a certain size range can be met, the die core upper die 5 and the die core lower die 8 assembled in the die frame are rapidly prepared by adopting 3D resin printing, the subsequent adjustment of a pouring gate structure and the remanufacturing of the die only need to be related as required, and the die core upper die 5 and the die core lower die 8 are rapidly prepared by 3D resin printing, so that the manufacturing period of the pouring gate die can be greatly shortened.
Example two
The embodiment discloses a method for rapidly preparing an investment casting pouring mold 1, which comprises the following steps:
designing a three-dimensional mould of a pouring channel through design software, and arranging to form a pressing group tree of the pouring channel;
designing a mold structure, wherein the mold structure comprises a mold core and a mold frame, and the mold frame is designed into a general structure;
completing the molding design of a pouring channel, performing mold separation operation through software, adding a set assembly structure matched with a mold frame part, and completing the design of a mold core part;
preparing a die carrier by adopting a metal material, selecting the metal material according to pouring channel pressing conditions and use requirements, and usually adopting an aluminum die, wherein the size of the die carrier can be determined according to the pouring channel size of a company product, and the die carrier with a step size can be designed to meet and cover the use requirements of a full-size range in order to reduce the labor intensity of pressing operation;
performing modeling inspection, support generation and slicing operation on the mold core part, then guiding the mold core part data into 3D printing equipment, and printing a mold core entity by adopting 3D resin;
after the surface of the printed die core part is cleaned, the die core part and the die frame part are assembled and locked, specifically, the die core part is detachably fixed on the die frame part through a locking bolt, pressure test production is carried out, and the die can be put into production and used after no problem in die matching is confirmed.
An investment casting mold 1 as shown in the first embodiment above may be prepared according to the present invention.
In the embodiment, the pouring gate die is divided into two parts, namely a die core and a die frame, the die frame part is a universal metal die, the die core part is rapidly prepared through 3D resin printing, the subsequent adjustment of the pouring gate structure and the reconstruction of the die only need to be related to and the die core part is rapidly prepared through 3D resin printing, and then the prepared die core part is assembled with the existing universal metal die frame part, so that the manufacturing period of the pouring gate die can be greatly shortened.
In the description of the present invention, it should be understood that the terms "center", "length", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "inner", "outer", "peripheral side", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the system or element in question must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (10)
1. The investment casting pouring die is characterized by comprising a die frame upper die (4), a die core upper die (5), a pouring gate unit (2), a die core lower die (8) and a die frame lower die (9), wherein the die frame upper die (4) and the die frame lower die (9) are both prepared by adopting metal materials, and the die core upper die (5) and the die core lower die (8) are both prepared by adopting 3D resin printing; the die carrier upper die (4) with fixed connection can be dismantled to mould benevolence upper die (5), mould benevolence lower die (8) with fixed connection can be dismantled to mould benevolence lower die (9), mould (4) with mould base lower die (9) are connected on the mould benevolence, mould benevolence upper die (5) with mould benevolence lower die (8) are established mould on the mould carrier upper die (4) with between mould base lower die (9), mould benevolence upper die (5) with sealed butt of mould benevolence lower die (8) form between mould benevolence upper die (5) with mould benevolence lower die (8) have and match and correspond blade design structure's design space (10), runner unit (2) are established mould benevolence upper die (5) with between mould benevolence lower die (8) and with design space (10) intercommunication.
2. The investment casting pouring mold according to claim 1, wherein upper mold pressing strip holders (11) are arranged on two opposite side edges of the upper mold core mold (5), and the upper mold pressing strip holders (11) are detachably and fixedly installed on the bottom surface of the upper mold (4) of the mold frame through upper mold locking bolts (6).
3. The investment casting pouring mold according to claim 2, wherein an upper molding tightening strip (1) is arranged on the bottom surface of the upper molding tightening strip seat (11), and the screw end of the upper mold locking bolt (6) sequentially penetrates through the upper molding tightening strip (1) and the upper molding tightening strip seat (11) and then is in threaded connection with the upper mold (4) of the mold frame.
4. The investment casting pouring mold according to claim 1, wherein lower mold pressing strip fastening seats (12) are arranged on two opposite side edges of the lower mold core mold (8), and the lower mold pressing strip fastening seats (12) are detachably and fixedly installed on the bottom surface of the lower mold (9) of the mold frame through lower mold locking bolts (3).
5. The investment casting pouring mold according to claim 4, wherein a lower molding tightening strip (7) is arranged on the top surface of the lower molding tightening strip seat (12), and the screw end of the lower mold locking bolt (3) sequentially penetrates through the lower molding tightening strip (7) and the lower molding tightening strip seat (12) and then is in threaded connection with the lower mold (9) of the mold frame.
6. An investment casting mould according to any one of claims 1 to 5, characterized in that the bottom surface of the upper mould (4) and the top surface of the lower mould (9) are provided with mutually matching positioning posts (13) and positioning slots (14).
7. An investment casting pouring mould according to any one of claims 1 to 5, characterized in that the junction of the upper mould (4) and the lower mould (9) is provided with a gate (15) for communication with the runner unit (2).
8. A method for rapidly preparing an investment casting mold, comprising the steps of:
designing a three-dimensional mould of a pouring channel through design software, and arranging to form a pressing group tree of the pouring channel;
designing a mold structure, wherein the mold structure comprises a mold core and a mold frame, and the mold frame is designed into a general structure;
completing the molding design of a pouring channel, performing mold separation operation through software, adding a set assembly structure matched with a mold frame part, and completing the design of a mold core part;
preparing a die carrier by adopting a metal material;
introducing the mold core part data into 3D printing equipment, and printing a mold core entity by adopting 3D resin;
after the surface of the printed mold core part is cleaned, the mold core part and the mold frame part are assembled and locked, the pressure test production is carried out, and the mold can be put into production and used after the mold matching is confirmed to be free of problems.
9. The method of claim 8, wherein the modeling inspection, support generation, and slicing operations are performed prior to introducing the mold insert portion data into the 3D printing device.
10. The method of claim 8, wherein the step of locking the insert portion to the frame portion comprises removably securing the insert portion to the frame portion with a locking bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311761391.4A CN117733073A (en) | 2023-12-20 | 2023-12-20 | Investment casting pouring mold and rapid preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311761391.4A CN117733073A (en) | 2023-12-20 | 2023-12-20 | Investment casting pouring mold and rapid preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117733073A true CN117733073A (en) | 2024-03-22 |
Family
ID=90250497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311761391.4A Pending CN117733073A (en) | 2023-12-20 | 2023-12-20 | Investment casting pouring mold and rapid preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117733073A (en) |
-
2023
- 2023-12-20 CN CN202311761391.4A patent/CN117733073A/en active Pending
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