CN111283142A - Rapid prototyping's mold core structure - Google Patents
Rapid prototyping's mold core structure Download PDFInfo
- Publication number
- CN111283142A CN111283142A CN201811496645.3A CN201811496645A CN111283142A CN 111283142 A CN111283142 A CN 111283142A CN 201811496645 A CN201811496645 A CN 201811496645A CN 111283142 A CN111283142 A CN 111283142A
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- CN
- China
- Prior art keywords
- mold core
- runner
- rapid prototyping
- branch flow
- lower mold
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/08—Features with respect to supply of molten metal, e.g. ingates, circular gates, skim gates
- B22C9/082—Sprues, pouring cups
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The invention relates to a mold core structure for rapid molding, which comprises an upper mold core and a lower mold core which are stacked up and down, wherein a molding part in a rectangular boss shape is arranged in the middle of the upper end of the lower mold core, a main flow channel which is longitudinally arranged and a flow distribution cone which is connected with the rear end of the main flow channel are arranged in the middle of the upper end of the molding part, first branch flow channels are longitudinally arranged on two sides of the main flow channel, the rear ends of the two first branch flow channels are relatively bent, the front end of the main flow channel is forked to form two transverse second branch flow channels, one end of each second branch flow channel is connected with the front end of the corresponding first branch flow channel, a sprue bush which is matched with the flow distribution cone is. The main runner and the sub-runners are arranged on the forming part of the lower mold core, so that molten metal can enter the mold cavity more quickly, the second sub-runner and the first sub-runner are arranged around the edge of the upper end of the forming part, and the molten metal is uniformly injected into the mold cavity through the auxiliary runner, so that the obtained product is firmer.
Description
Technical Field
The invention relates to the technical field of molds, in particular to a mold core structure for rapid molding.
Background
The main factors influencing the product quality are the structure of the die, the die is designed to be reasonable in structure, and the reject ratio of the product can be greatly reduced. At present, a sprue and a matched sprue spreader in a mold are arranged on one side of a mold core, and a flow channel is too long, so that a product is formed slowly.
Disclosure of Invention
The invention aims to solve the technical problem of providing a quick-forming mold core structure, wherein a main runner and a sub-runner are arranged on a forming part of a lower mold core, so that molten metal can enter a mold cavity more quickly, a second sub-runner and a first sub-runner are arranged around the edge of the upper end of the forming part, and the molten metal is uniformly injected into the mold cavity through an auxiliary runner, so that a product is obtained to be firmer, the defects of air holes, air bubbles and the like can not be generated, and the quality of the product is improved.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a rapid prototyping's mold core structure, including last mold core and the lower mold core that stacks from top to bottom, form the die cavity between this last mold core and the lower mold core, lower mold core upper end middle part be provided with the shaping portion that is the rectangle boss, this shaping portion upper end middle part is provided with longitudinal arrangement's sprue and the reposition of redundant personnel awl that links to each other with the sprue rear end, the both sides of sprue all longitudinal arrangement have first reposition of redundant personnel runner, the rear end relative bending of two first reposition of redundant personnel runners, the front end bifurcation of sprue form two horizontal second reposition of redundant personnel runners, this second reposition of redundant personnel runner one end links to each other with the front end of first reposition of redundant personnel runner, last mold core middle part be provided with the sprue bush that matches with the reposition of redundant personnel awl, should go up the mold core lower extreme and be provided with a plurality of redundant personnel runner, supplementary runner be used for connecting.
As a supplement to the technical scheme of the invention, a plurality of slag ladles are arranged at the upper end of the lower die core around the forming part.
As a supplement to the technical scheme of the invention, an exhaust groove is arranged at one side of the upper end of the lower mold core, which is positioned at part of the slag ladle.
As a supplement to the technical scheme of the invention, a plurality of forming notches are uniformly arranged on the edge of the upper end of the forming part.
As a supplement to the technical scheme of the invention, two insert notches are arranged on the right side of the upper end of the forming part side by side, and an insert with the lower end extending into the insert notch is arranged at the lower end of the upper mold core.
As a supplement to the technical solution of the present invention, the first branch flow channel and the second branch flow channel are integrally formed.
Has the advantages that: the invention relates to a mold core structure for rapid molding, wherein a main runner and a sub-runner are both arranged on a molding part of a lower mold core, so that molten metal can enter a mold cavity more rapidly, a second sub-runner and a first sub-runner are arranged around the edge of the upper end of the molding part, and the molten metal is uniformly injected into the mold cavity through an auxiliary runner, so that a product is obtained more firmly, the defects of air holes, air bubbles and the like are avoided, and the quality of the product is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of a lower mold core according to the present invention;
fig. 3 is a schematic structural view of an upper mold core according to the present invention.
The figure is as follows: 1. the casting mold comprises a sprue bush, 2, an upper mold core, 3, a lower mold core, 4, a molding part, 5, a second branch flow channel, 6, a main flow channel, 7, a first branch flow channel, 8, a slag ladle, 9, an exhaust groove, 10, a flow dividing cone, 11, an insert notch, 12, a molding notch, 13, an auxiliary flow channel, 14 and an insert.
Detailed Description
The invention will be further illustrated with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.
The embodiment of the invention relates to a mold core structure for rapid molding, which comprises an upper mold core 2 and a lower mold core 3 which are stacked up and down, a mold cavity is formed between the upper mold core 2 and the lower mold core 3, a molding part 4 which is a rectangular boss is arranged in the middle of the upper end of the lower mold core 3, a main flow channel 6 which is longitudinally arranged and a diverging cone 10 which is connected with the rear end of the main flow channel 6 are arranged in the middle of the upper end of the molding part 4, first diverging channels 7 are longitudinally arranged on both sides of the main flow channel 6, the rear ends of the two first diverging channels 7 are relatively bent, the front end of the main flow channel 6 is bifurcated to form two transverse second diverging channels 5, one end of each second diverging channel 5 is connected with the front end of the first diverging channel 7, a sprue bush 1 which is matched with the diverging cone 10 is arranged in the middle of the upper mold core 2, a plurality of auxiliary flow channels 13 are arranged at the lower end of, the auxiliary runner 13 is used for connecting the first sub-runner 7 with the mold cavity or connecting the second sub-runner 5 with the mold cavity.
The upper end of the lower die core 3 is provided with a plurality of slag ladles 8 around the forming part 4.
And an exhaust groove 9 is formed in one side, located on part of the slag ladle 8, of the upper end of the lower die core 3.
The edge of the upper end of the forming part 4 is evenly provided with a plurality of forming gaps 12.
Two insert notches 11 are formed in the right side of the upper end of the forming portion 4 side by side, and an insert 14 with the lower end extending into the insert notch 11 is installed at the lower end of the upper mold core 2.
The first branch runner 7 and the second branch runner 5 are integrally formed.
Examples
The upper mold core 2 and the lower mold core 3 are closed, molten liquid in a molten state is injected into the mold cavity after the completion, the solution enters the mold from the sprue bush 1 and is divided by the flow dividing cone 10 to flow through the main runner 6, the second branch runner 5 and the first branch runner 7 in sequence, the lower end of the upper mold core 2 is provided with a plurality of auxiliary runners 13, the auxiliary runners 13 are used for connecting the first branch runner 7 with the mold cavity or connecting the second branch runner 5 with the mold cavity, and when the second branch runner 5 and the first branch runner 7 flow, part of the molten liquid is uniformly injected into the mold cavity through the auxiliary runners 13. The utility model discloses a sprue and subchannel all set up on the shaping portion 4 of lower mold core 3 for molten metal gets into the die cavity sooner, and second subchannel 5 and first subchannel 7 are around 4 upper end edges of shaping portion and arrange, evenly pour into the die cavity with the molten liquid through supplementary runner 13 in, obtain the product ratio more durable like this, can not produce defects such as gas pocket, bubble, have improved the quality of product.
Claims (6)
1. The utility model provides a rapid prototyping's mold core structure, includes last mold core (2) and lower mold core (3) that stack from top to bottom, should go up and form the die cavity between mold core (2) and lower mold core (3), its characterized in that: the middle part of the upper end of the lower mold core (3) is provided with a forming part (4) which is a rectangular boss, the middle part of the upper end of the forming part (4) is provided with a main runner (6) which is longitudinally arranged and a diffluent cone (10) which is connected with the rear end of the main runner (6), the two sides of the main flow passage (6) are longitudinally provided with first branch flow passages (7), the rear ends of the two first branch flow passages (7) are relatively bent, the front end of the main flow passage (6) is branched to form two transverse second branch flow passages (5), one end of the second branch flow passage (5) is connected with the front end of the first branch flow passage (7), the middle part of the upper mold core (2) is provided with a sprue bush (1) matched with the sprue spreader (10), a plurality of auxiliary runners (13) are arranged at the lower end of the upper die core (2), and the auxiliary runners (13) are used for connecting the first sub-runners (7) with the die cavity or connecting the second sub-runners (5) with the die cavity.
2. The core structure for rapid prototyping as set forth in claim 1, wherein: the upper end of the lower mold core (3) is provided with a plurality of slag ladles (8) around the forming part (4).
3. The core structure for rapid prototyping as set forth in claim 2, wherein: and an exhaust groove (9) is formed in one side, located on part of the slag ladle (8), of the upper end of the lower mold core (3).
4. The core structure for rapid prototyping as set forth in claim 1, wherein: the edge of the upper end of the forming part (4) is uniformly provided with a plurality of forming gaps (12).
5. The core structure for rapid prototyping as set forth in claim 1, wherein: two insert notches (11) are formed in the right side of the upper end of the forming part (4) side by side, and an insert (14) with the lower end extending into the insert notch (11) is installed at the lower end of the upper mold core (2).
6. The core structure for rapid prototyping as set forth in claim 1, wherein: the first branch runner (7) and the second branch runner (5) are integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811496645.3A CN111283142A (en) | 2018-12-07 | 2018-12-07 | Rapid prototyping's mold core structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811496645.3A CN111283142A (en) | 2018-12-07 | 2018-12-07 | Rapid prototyping's mold core structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111283142A true CN111283142A (en) | 2020-06-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811496645.3A Pending CN111283142A (en) | 2018-12-07 | 2018-12-07 | Rapid prototyping's mold core structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111283142A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112872316A (en) * | 2020-12-29 | 2021-06-01 | 宁波斯贝科技缸套有限公司 | Mold core structure for cylinder sleeve production |
-
2018
- 2018-12-07 CN CN201811496645.3A patent/CN111283142A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112872316A (en) * | 2020-12-29 | 2021-06-01 | 宁波斯贝科技缸套有限公司 | Mold core structure for cylinder sleeve production |
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Legal Events
| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20200616 |
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| WD01 | Invention patent application deemed withdrawn after publication |