CN212219154U - Mold structure for mold core positioning mechanism - Google Patents
Mold structure for mold core positioning mechanism Download PDFInfo
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- CN212219154U CN212219154U CN202020853952.9U CN202020853952U CN212219154U CN 212219154 U CN212219154 U CN 212219154U CN 202020853952 U CN202020853952 U CN 202020853952U CN 212219154 U CN212219154 U CN 212219154U
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Abstract
The utility model discloses a mould structure for a mould core positioning mechanism, which comprises a column type male mould core and a column type female mould core for forming a column hole, wherein the top of the column type male mould core is provided with a circular groove and an avoiding groove, the avoiding groove is arranged at the bottom of the circular groove, a positioning block is arranged in the circular groove, and a through positioning hole is arranged on the positioning block; the mold comprises a cylindrical female mold core and is characterized in that a positioning column is arranged in the cylindrical female mold core, a positioning table is arranged at one end of the positioning column, a limiting table is arranged at the other end of the positioning column, and the limiting table is connected with a limiting groove formed in the bottom of the cylindrical female mold core. The utility model discloses can fix a position the locating piece on location platform on the public mode core of columnar order and the public mode core of columnar order through the public mode core of columnar order core and the public mode core of columnar order non-deformable when injection moulding to burr or deckle edge appear in the glue position of sealing between the public mode core of effective reduction columnar order core and the columnar order core, effectively improved the production efficiency of mould, reduced and generated this.
Description
Technical Field
The utility model relates to an injection mold field especially relates to a mold structure for core positioning mechanism.
Background
At present, when a column hole is formed in an injection mold, a core for forming the column hole is generally detached from a male mold core and a female mold core respectively, and then, sealing is performed by using a plane on the top of the core, as shown in fig. 3; however, because the pressure ratio of the mold in the injection molding process is large, the mold core is easy to deform under stress after long-time use, so that burrs or rough edges are easy to appear in the column holes after injection molding, even the mold needs to be repaired in severe cases, and the problem of the burrs or rough edges cannot be solved after the mold is repaired; and have burr or deckle edge post hole, the later stage needs the manual work to prune, not only extravagant manpower and material resources, increases the cost of manufacture of product moreover. In view of the above, it is necessary to develop a positioning mechanism for preventing deformation of the core.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the above problem that prior art exists, provide a mould structure for core positioning mechanism, the utility model relates to a novelty, rational in infrastructure, convenient to use compare with traditional technique, can fix a position through the locating piece on the public mode core of location platform on the post type master model core and the post type, make public mode core of post type and post type master model core non-deformable when injection moulding to burr or deckle edge appear in the glue position of sealing between effectively reducing public mode core of post type and the post type master model core, effectively improved the production efficiency of mould, reduced and generated this.
For realizing above-mentioned technical purpose, reach above-mentioned technological effect, the utility model discloses a following technical scheme realizes:
a mold structure for a mold core positioning mechanism comprises a cylindrical male mold core and a cylindrical female mold core which are used for forming a cylindrical hole, wherein a circular groove and an avoiding groove are formed in the top of the cylindrical male mold core, the avoiding groove is formed in the bottom of the circular groove, a positioning block is arranged in the circular groove, and a through positioning hole is formed in the positioning block; the mold comprises a cylindrical female mold core and is characterized in that a positioning column is arranged in the cylindrical female mold core, a positioning table is arranged at one end of the positioning column, a limiting table is arranged at the other end of the positioning column, the limiting table is connected with a limiting groove formed in the bottom of the cylindrical female mold core, and the positioning table is connected with a positioning hole. By adopting the technical scheme, the arranged positioning block and the positioning column are convenient for positioning the cylindrical male mold core and the cylindrical female mold core, so that the deformation of the cylindrical male mold core and the cylindrical female mold core caused by overlarge injection pressure of the mold is effectively prevented, and burrs or rough edges appear at the sealing glue position; wherein, locating piece and reference column can be changed.
Preferably, the side edge of the positioning hole is provided with an inclined guide surface; the guide surface is attached to the side edge of the positioning table; the inclined angle of the guide surface is set at 5-10 degrees. By adopting the technical scheme, the positioning table and the positioning hole are convenient to be inserted and attached; the larger the angle is, the smaller the friction resistance to insertion is, and the service life of the positioning block and the positioning column is prolonged.
Preferably, the positioning column is made of a thimble made of SKD 61. By adopting the technical scheme, the thimble is convenient to use for processing, and the manufacturing cost of the positioning column is saved.
Preferably, the positioning block is made of a preheated 718H steel material. By adopting the technical scheme, the positioning table can be conveniently inserted, and the service life of the positioning block can be prolonged.
Preferably, the columnar male die core is made of NAK80 steel subjected to preheating treatment; the column-shaped female die core is made of 718H steel subjected to preheating treatment. By adopting the technical scheme, the cylindrical male mold core and the cylindrical female mold core are convenient to use, and the service life of the cylindrical male mold core and the cylindrical female mold core is prolonged.
Preferably, the positioning block is welded in the circular groove, and an avoiding groove at the bottom of the circular groove is larger than the positioning table. By adopting the technical scheme, the positioning block is welded in the circular groove in a spot welding manner; the avoidance groove is convenient for the avoidance of the positioning table.
The utility model has the advantages that: compared with the traditional technology, the positioning platform on the column-shaped female die core and the positioning block on the column-shaped male die core can be used for positioning, so that the column-shaped male die core and the column-shaped female die core are not easy to deform during injection molding, burrs or rough edges at a sealing position between the column-shaped male die core and the column-shaped female die core are effectively reduced, the production efficiency of the die is effectively improved, and the generated cost is reduced; and the locating piece and the locating column that set up can be changed, have effectively saved the repair time of mould.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood and to be implemented according to the content of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings. The detailed description of the present invention is given by the following examples and the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:
fig. 1 is a schematic structural diagram related to the present invention;
fig. 2 is a partially enlarged schematic view of the present invention;
fig. 3 is a schematic view of the conventional column-type sealant according to the present invention.
The reference numbers in the figures illustrate: the mold comprises a cylindrical male mold core 1, a cylindrical female mold core 2, a circular groove 3, an avoiding groove 4, a positioning block 5, a positioning hole 6, a positioning column 7, a positioning table 8, a limiting table 9, a limiting groove 10, a male mold core 11 and a female mold core 12.
Detailed Description
The invention is further described with reference to the accompanying drawings:
referring to fig. 1 to 3, a mold structure for a mold core positioning mechanism includes a cylindrical male mold core 1 and a cylindrical female mold core 2 for forming a cylindrical hole, a circular groove 3 and an avoiding groove 4 are arranged on the top of the cylindrical male mold core 1, the avoiding groove 4 is arranged at the bottom of the circular groove 3, a positioning block 5 is arranged in the circular groove 3, and a through positioning hole 6 is arranged on the positioning block 5; the mold core for the cylindrical female mold is characterized in that a positioning column 7 is arranged in the mold core for the cylindrical female mold 2, a positioning table 8 is arranged at one end of the positioning column 7, a limiting table 9 is arranged at the other end of the positioning column 7, the limiting table 9 is connected with a limiting groove 10 formed in the bottom of the mold core for the cylindrical female mold 2, and the positioning table 8 is connected with a positioning hole 6. By adopting the technical scheme, the positioning block 5 and the positioning column 7 are arranged to facilitate the positioning of the cylindrical male mold core 1 and the cylindrical female mold core 2, and effectively prevent the deformation of the cylindrical male mold core 1 and the cylindrical female mold core 2 when the injection pressure of the mold is too high, so that burrs or burrs appear at the sealing glue position; wherein, the positioning block 5 and the positioning column 7 can be replaced.
Preferably, the side edge of the positioning hole 6 is provided with an inclined guide surface; the guide surface is attached to the side edge of the positioning table 8; the inclined angle of the guide surface is set at 5-10 degrees. By adopting the technical scheme, the positioning table 8 and the positioning hole 6 are convenient to be inserted and attached; the larger the angle is, the smaller the frictional resistance to insertion is, which is helpful to increase the service life of the positioning block 5 and the positioning column 7.
Preferably, the positioning column 7 is made of a thimble made of SKD 61. By adopting the technical scheme, the thimble is convenient to use for processing, and the manufacturing cost of the positioning column 7 is saved.
Preferably, the positioning block 5 is made of a preheated 718H steel material. By adopting the technical scheme, the positioning table 8 is convenient to insert, and the service life of the positioning block 5 is prolonged.
Preferably, the cylindrical male die core 1 is made of NAK80 steel subjected to preheating treatment; the column-shaped female die core 2 is made of 718H steel subjected to preheating treatment. By adopting the technical scheme, the cylindrical male mold core 1 and the cylindrical female mold core 2 can be used conveniently, and the service life of the cylindrical male mold core and the cylindrical female mold core is prolonged.
Preferably, the positioning block 5 is welded in the circular groove 3, and the avoiding groove 4 at the bottom of the circular groove 3 is larger than the positioning table 8. By adopting the technical scheme, the positioning block 5 is welded in the circular groove 3 in a spot welding mode; the avoidance groove 4 facilitates avoidance of the positioning table 8.
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
When the mold is closed, the positioning table on the cylindrical female mold core is inserted into the positioning hole on the cylindrical male mold core, so that the cylindrical male mold core and the cylindrical female mold core are positioned; when the mold is used for injection molding, the cylindrical male mold core and the cylindrical female mold core are positioned and fixed, and the cylindrical male mold core and the cylindrical female mold core are not easy to deform during molding, so that the column hole is free of burrs or rough edges during molding.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (6)
1. The utility model provides a mould structure for core positioning mechanism, includes the public mould core of columnar order (1) and the female mould core of columnar order (2) that are used for shaping the post hole, its characterized in that: a circular groove (3) and an avoiding groove (4) are formed in the top of the cylindrical male die core (1), the avoiding groove (4) is formed in the bottom of the circular groove (3), a positioning block (5) is arranged in the circular groove (3), and a through positioning hole (6) is formed in the positioning block (5); the mold core is characterized in that a positioning column (7) is arranged in the column-type female mold core (2), one end of the positioning column (7) is provided with a positioning table (8), the other end of the positioning column is provided with a limiting table (9), the limiting table (9) is connected with a limiting groove (10) formed in the bottom of the column-type female mold core (2), and the positioning table (8) is connected with the positioning hole (6).
2. A mold structure for a core positioning mechanism as recited in claim 1, wherein: the side edge of the positioning hole (6) is provided with an inclined guide surface; the guide surface is attached to the side edge of the positioning table (8); the inclined angle of the guide surface is set at 5-10 degrees.
3. A mold structure for a core positioning mechanism as recited in claim 1, wherein: the positioning column (7) is made of ejector pins made of SKD61 materials.
4. A mold structure for a core positioning mechanism as recited in claim 1, wherein: the positioning block (5) is made of 718H steel subjected to preheating treatment.
5. A mold structure for a core positioning mechanism as recited in claim 1, wherein: the cylindrical male die core (1) is made of NAK80 steel subjected to preheating treatment; the column-shaped female die core (2) is made of preheated 718H steel.
6. A mold structure for a core positioning mechanism as recited in claim 1, wherein: the positioning block (5) is welded in the circular groove (3), and the avoiding groove (4) at the bottom of the circular groove (3) is larger than the positioning table (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020853952.9U CN212219154U (en) | 2020-05-20 | 2020-05-20 | Mold structure for mold core positioning mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020853952.9U CN212219154U (en) | 2020-05-20 | 2020-05-20 | Mold structure for mold core positioning mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212219154U true CN212219154U (en) | 2020-12-25 |
Family
ID=73928642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020853952.9U Active CN212219154U (en) | 2020-05-20 | 2020-05-20 | Mold structure for mold core positioning mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212219154U (en) |
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2020
- 2020-05-20 CN CN202020853952.9U patent/CN212219154U/en active Active
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