CN212979105U - Inclined hole die for injection molding product - Google Patents
Inclined hole die for injection molding product Download PDFInfo
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- CN212979105U CN212979105U CN202021321918.3U CN202021321918U CN212979105U CN 212979105 U CN212979105 U CN 212979105U CN 202021321918 U CN202021321918 U CN 202021321918U CN 212979105 U CN212979105 U CN 212979105U
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- die
- block
- inclined hole
- lower die
- guide block
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Abstract
The utility model discloses an inclined hole die for injection products, wherein the top of a lower die is provided with a lower die cavity, a die core is positioned above the lower die, the bottom of the die core is provided with an upper die cavity matched with the lower die cavity, and the upper die cavity and the lower die cavity jointly form an injection die cavity; further comprising: the mold core is provided with an insertion through hole, and one end of the slide block insert penetrates through the insertion through hole and extends into the injection mold cavity; the bottom of the upper die is provided with a guide block, and the lower end of the guide block is provided with a pushing surface for pushing the sliding block insert. Through the injection product inclined hole mould of above-mentioned optimal design, utilize the locking pressure of mould self, guarantee that the slider goes into not taking place to retreat in the injection mould intracavity when the son moulds plastics to guarantee that inclined hole shaping position does not have deckle edge and produces.
Description
Technical Field
The utility model relates to the field of molds, especially, relate to an injection moulding product inclined hole mould.
Background
In the injection molding of a product with an inclined hole, in the design of a mold, a female mold is designed into a sliding block structure, and a cylindrical structure for forming the inclined hole is formed in an injection mold cavity through pushing of an oil cylinder. When the product is molded and injected, the pressure of the oil cylinder is utilized to jack/jack the female die slide block of the die, and the product is demoulded. In the molding and injection process, the pressure of a mold oil cylinder is smaller than the pressure of an injection molding machine in the molding and pressure maintaining process, so that the slide block retreats; a gap is formed between the sliding block and the male die, burrs are generated due to excessive glue of the plastic, and the burrs of the retreated sliding block product are serious in the pressure maintaining process; the mould oil cylinder can not meet the requirement of injection moulding of products; because of the structural limitation of the oil cylinder, the oil seal of the oil cylinder is easy to damage, so that the oil cylinder is decompressed, and frequent maintenance and part replacement are required; the oil cylinder structure is easy to release pressure, so that a die is clamped and collided;
SUMMERY OF THE UTILITY MODEL
For solving the technical problem who exists among the background art, the utility model provides an injection moulding product inclined hole mould.
The utility model provides a pair of injection moulding product inclined hole mould, include: an upper die, a lower die and a die core; the top of the lower die is provided with a lower die cavity, the die core is positioned above the lower die, the bottom of the die core is provided with an upper die cavity matched with the lower die cavity, and the upper die cavity and the lower die cavity jointly form an injection molding die cavity;
further comprising: the mold core is provided with an insertion through hole, and one end of the slide block insert penetrates through the insertion through hole and extends into the injection mold cavity;
the bottom of the upper die is provided with a guide block, and the lower end of the guide block is provided with a pushing part for pushing the sliding block to enter the die.
Preferably, the device also comprises a slide block bundling block, wherein the slide block bundling block is installed on the lower die, and the slide block bundling block is positioned below the guide block and used for limiting the guide block.
Preferably, the bottom of the guide block is provided with a positioning protrusion, and the top of the slider restraint block is provided with a positioning groove matched with the positioning protrusion.
Preferably, the height of the slide block insert is obliquely arranged and gradually decreases towards the direction away from the guide block, and the pushing part is provided with an obliquely arranged pushing surface, and the height of the pushing surface gradually decreases towards the direction away from the mold core.
Preferably, the pushing portion is provided with a slide rail which is obliquely arranged, the height of the slide rail is gradually reduced towards the direction away from the guide block, the upper end of the slide block insert is provided with a slide seat, and the slide seat is slidably mounted on the guide block through the slide rail.
Preferably, the mold comprises a plurality of guide blocks and a plurality of slide block inserts, wherein the guide blocks are distributed around the mold core along the circumference, each slide block insert is arranged corresponding to one guide block, and the mold core is provided with a plurality of insertion through holes which are respectively arranged corresponding to the slide block inserts.
In the inclined hole die for the injection molding product, the top of the lower die is provided with a lower die cavity, the die core is positioned above the lower die, the bottom of the die core is provided with an upper die cavity matched with the lower die cavity, and the upper die cavity and the lower die cavity jointly form an injection molding die cavity; further comprising: the mold core is provided with an insertion through hole, and one end of the slide block insert penetrates through the insertion through hole and extends into the injection mold cavity; the bottom of the upper die is provided with a guide block, and the lower end of the guide block is provided with a pushing surface for pushing the sliding block insert. Through the injection product inclined hole mould of above-mentioned optimal design, utilize the locking pressure of mould self, guarantee that the slider goes into not taking place to retreat in the injection mould intracavity when the son moulds plastics to guarantee that inclined hole shaping position does not have deckle edge and produces.
Drawings
Fig. 1 is the utility model provides an injection molding product inclined hole mould's schematic structure.
Detailed Description
As shown in fig. 1, fig. 1 is a schematic structural view of an inclined hole mold for injection molding products according to the present invention.
Referring to fig. 1, the utility model provides an injection moulding product inclined hole mould, include: an upper die 1, a lower die 2 and a die core 3; the top of the lower die 2 is provided with a lower die cavity, the die core 3 is positioned above the lower die 2, the bottom of the die core is provided with an upper die cavity matched with the lower die cavity, and the upper die cavity and the lower die cavity jointly form an injection molding die cavity;
it is characterized by also comprising: the injection mold comprises a sliding block insert 4, a mold core 3 and a mold core, wherein an insertion through hole is formed in the mold core, and one end of the sliding block insert 4 penetrates through the insertion through hole and extends into the injection mold cavity;
the bottom of the upper die 1 is provided with a guide block 5, and the lower end of the guide block 5 is provided with a pushing surface for pushing the slider insert 4.
In the specific working process of the injection product inclined hole mold of the embodiment, firstly, a mold core is placed on a lower mold to form an injection mold cavity, then an upper mold descends to enable the mold core and the lower mold to be assembled, and in the descending process of the upper mold, a guide block descends to push a slide block insert to be located at a forming position in the injection mold cavity through a material pushing part; because the mold clamping pressure is greater than the injection pressure of the injection molding machine, the slide block insert cannot retreat in the injection molding process.
In the inclined hole die for the injection molding product, a lower die cavity is formed in the top of a lower die, a die core is positioned above the lower die, an upper die cavity matched with the lower die cavity is formed in the bottom of the die core, and the upper die cavity and the lower die cavity jointly form an injection molding die cavity; further comprising: the mold core is provided with an insertion through hole, and one end of the slide block insert penetrates through the insertion through hole and extends into the injection mold cavity; the bottom of the upper die is provided with a guide block, and the lower end of the guide block is provided with a pushing surface for pushing the sliding block insert. Through the injection product inclined hole mould of above-mentioned optimal design, utilize the locking pressure of mould self, guarantee that the slider goes into not taking place to retreat in the injection mould intracavity when the son moulds plastics to guarantee that inclined hole shaping position does not have deckle edge and produces.
In the specific embodiment, the device further comprises a slider restraint block 6, wherein the slider restraint block 6 is installed on the lower die 2, and the slider restraint block 6 is located below the guide block 5 and used for limiting the guide block 5.
In a further specific design mode, the bottom of the guide block 5 is provided with a positioning protrusion 51, and the top of the slider restraint block 6 is provided with a positioning groove matched with the positioning protrusion 51.
When the inclined hole is in an inclined state during forming, the height of the slide block insert 4 is obliquely arranged and gradually decreases towards the direction away from the guide block 5, the pushing surface which is obliquely arranged is arranged on the pushing part, the height of the pushing surface gradually decreases towards the direction away from the mold core 3, and the slide block insert is obliquely pushed through the pushing surface when the guide block decreases.
In other specific embodiments, the pushing part is provided with a slide rail which is obliquely arranged, the height of the slide rail is gradually reduced towards the direction far away from the guide block 5, the upper end of the slide insert 4 is provided with a slide seat 7, and the slide seat 7 is slidably mounted on the guide block 5 through the slide rail; through the slide rail design, reduce the slider and go into the side direction frictional force between the son when moving and the guide block.
In other specific embodiments, the mold comprises a plurality of guide blocks 5 and a plurality of slide block inserts 4, the plurality of guide blocks 5 are distributed around the mold core 3 along the circumference, each slide block insert 4 is arranged corresponding to one guide block 5, and the mold core 3 is provided with a plurality of insertion through holes respectively arranged corresponding to the slide block inserts 4.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. An inclined hole mold for injection molding products, comprising: the device comprises an upper die (1), a lower die (2) and a die core (3); the top of the lower die (2) is provided with a lower die cavity, the die core (3) is positioned above the lower die (2) and the bottom of the die core is provided with an upper die cavity matched with the lower die cavity, and the upper die cavity and the lower die cavity jointly form an injection molding die cavity;
it is characterized by also comprising: the mold comprises a sliding block insert (4), wherein an insertion through hole is formed in the mold core (3), and one end of the sliding block insert (4) penetrates through the insertion through hole and extends into the injection mold cavity;
the bottom of the upper die (1) is provided with a guide block (5), and the lower end of the guide block (5) is provided with a pushing part for pushing the sliding block insert (4).
2. An inclined hole die for injection molding products according to claim 1, further comprising a slider block (6), wherein the slider block (6) is mounted on the lower die (2), and the slider block (6) is located below the guide block (5) and used for limiting the guide block (5).
3. An inclined hole die for injection molding products according to claim 2, characterized in that the bottom of the guide block (5) is provided with a positioning protrusion (51), and the top of the slider block (6) is provided with a positioning groove matched with the positioning protrusion (51).
4. An inclined hole die for injection molding products according to claim 1, characterized in that the slide insert (4) is obliquely arranged and the height thereof gradually decreases in a direction away from the guide block (5), the pushing part is provided with an obliquely arranged pushing surface, and the height of the pushing surface gradually decreases in a direction away from the mold core (3).
5. An inclined hole die for injection molding products according to claim 1, wherein the pushing portion is provided with an inclined slide rail, the height of the slide rail is gradually reduced towards the direction far away from the guide block (5), the upper end of the slide block insert (4) is provided with a slide seat (7), and the slide seat (7) is slidably mounted on the guide block (5) through the slide rail.
6. An injection molding product inclined hole mold according to claim 1, characterized by comprising a plurality of guide blocks (5) and a plurality of slide block inserts (4), wherein the plurality of guide blocks (5) are distributed circumferentially around the mold core (3), each slide block insert (4) is arranged corresponding to one guide block (5), and the mold core (3) is provided with a plurality of insertion through holes respectively arranged corresponding to the slide block inserts (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021321918.3U CN212979105U (en) | 2020-07-06 | 2020-07-06 | Inclined hole die for injection molding product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021321918.3U CN212979105U (en) | 2020-07-06 | 2020-07-06 | Inclined hole die for injection molding product |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212979105U true CN212979105U (en) | 2021-04-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021321918.3U Active CN212979105U (en) | 2020-07-06 | 2020-07-06 | Inclined hole die for injection molding product |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212979105U (en) |
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2020
- 2020-07-06 CN CN202021321918.3U patent/CN212979105U/en active Active
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| TR01 | Transfer of patent right |
Effective date of registration: 20220105 Address after: Room 1714, dongxizhuan building, Wuhan City, Hubei Province Patentee after: Wuhan baolongda Information Technology Co.,Ltd. Address before: No.4088 Jinxiu Avenue, Hefei Economic and Technological Development Zone, Anhui Province Patentee before: HEFEI BITLAND INFORMATION TECHNOLOGY Co.,Ltd. |