CN211518360U

CN211518360U - Multi-cavity quick injection mold

Info

Publication number: CN211518360U
Application number: CN201922486121.2U
Authority: CN
Inventors: 王鹏; 王凯利; 许攀攀
Original assignee: Nanjing Echofa Internet Of Things Technology Co ltd
Current assignee: Nanjing Echofa Internet Of Things Technology Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-09-18
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses a multi-cavity fast injection mold, which can mold a plurality of products at one time and has good molding effect, and the technical proposal is characterized in that the mold comprises an upper mold and a lower mold, wherein a plurality of cores are arranged on the lower mold, a plurality of cavities matched with the cores are also arranged on the upper mold, the cavities are arranged in double rows, a main runner is arranged between the two rows of cavities, a sub-runner communicated with each cavity is arranged on the main runner, a top plate is also arranged on the upper mold, a pouring hole is arranged on the top plate, a runner plate is also arranged between the top plate and the upper mold, a runner mold is arranged at the center of the upper mold, a sub-runner is arranged between the runner plate and the runner mold, a plurality of diversion channels for communicating the sub-runner with the main runner are also arranged on the runner mold, each diversion channel corresponds to the position of each sub-runner, the pouring hole runs through the runner plate and is communicated with the center of the, still be equipped with the heat insulating board between runner mould and the last mould, the utility model is suitable for a mould technical field.

Description

Multi-cavity quick injection mold

Technical Field

The utility model belongs to the technical field of the mould, refer in particular to a quick injection mold of multimode chamber.

Background

When some small products are injection molded by the existing injection mold, in order to improve efficiency, a plurality of molding cavities are usually arranged on one mold, but the runner structure of the existing injection mold is single, the molding cavities can only be formed one by one along the runner through a pouring gate, and the molding cavities on the rear side of the runner are often uneven in molding quality and poor in molding effect; in addition, the existing mold needs to be cooled by cooling liquid after being molded, but the rubber material in the runner is easily cooled during cooling, so that the molding quality is affected during next injection molding.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a quick injection mold of multimode chamber, but a plurality of products of one shot forming and shaping are effectual.

The purpose of the utility model is realized like this: the utility model provides a quick injection mold of multimode chamber, includes mould and lower mould, be equipped with a plurality of cores on the lower mould, go up the mould and still be equipped with a plurality of die cavities with the core adaptation, the die cavity is double setting, is equipped with the sprue between two rows of die cavities, is equipped with the subchannel with every die cavity intercommunication on the sprue, goes up and still is equipped with the roof on the mould, is equipped with the plug hole on the roof, its characterized in that: still be equipped with the runner board between roof and the last mould, the center of going up the mould is equipped with the runner mould, is equipped with the reposition of redundant personnel runner between runner board and the runner mould, still is equipped with a plurality of water conservancy diversion passageways that are used for communicateing reposition of redundant personnel runner and sprue on the runner mould, and every water conservancy diversion passageway corresponds with the position of every subchannel, the sprue gate run through the runner board and with the center intercommunication of reposition of redundant personnel runner, the groove depth of reposition of redundant personnel runner on the runner mould deepens to both ends by centre gradually, still is equipped with the heat insulating board between runner mould and the last mould.

By adopting the technical scheme, the center of the upper die is provided with a step hole structure; the runner mold is arranged in the step hole of the upper mold, the runner mold and the upper mold can be fixed through bolts, and the heat insulation sheet is an externally available mold heat insulation plate and is arranged between the runner mold and the step hole, so that when the lower mold and the upper mold are cooled by cooling water, the sizing material in the flow guide runner cannot be cooled, and the quality of a final product is improved; through the arrangement of the runner plate, the rubber enters from the pouring hole, pre-separation can be realized through the shunting runner, and then the rubber is intensively injected into a plurality of cavities, so that the flowing pressure of the rubber injected into the cavities is more uniform, and the molding effect is better; the groove depth of the shunting flow channel on the flow channel die is gradually deepened from the middle to the two ends, namely the shunting flow channel has a certain inclination, the two ends are low, the middle is high, the rubber material is easy to flow to the two ends, the rubber material can rapidly enter the cavities at the two ends, and the injection molding efficiency and the injection molding quality are improved; this structure can once mould plastics a plurality of products, and is efficient and injection moulding effect is good.

The utility model discloses further set up to: the top surface of the runner mold is provided with a convex ring surrounding the flow dividing runner, and the bottom surface of the runner plate is provided with a groove matched with the convex ring.

By adopting the technical scheme, the sealing performance between the runner mold and the runner plate can be improved, and the rubber material can be conveniently seeped between the runner mold and the runner plate.

The utility model discloses further set up to: and a flexible graphite gasket is arranged in the groove.

By adopting the technical scheme, the flexible graphite gasket can further increase the sealing property between the convex ring and the groove, and the rubber material is prevented from being leaked.

The utility model discloses further set up to: the upper die is provided with a plurality of first cooling flow channels, and the lower die is provided with a plurality of second cooling flow channels.

Through adopting above-mentioned technical scheme, first cooling runner evenly arranges in the top of die cavity, and the even arrangement of second cooling runner is in the below of core, can realize quick cooling after once moulding plastics and accomplish, is convenient for the shaping and improves cooling rate.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic bottom view of the upper mold of the present invention;

FIG. 3 is a schematic view of the structure of FIG. 2 in the direction A-A;

FIG. 4 is a schematic view of the structure of FIG. 2 in the direction B-B according to the present invention;

fig. 5 is a schematic top view of the upper mold of the present invention;

the reference numbers in the figures are: 1. an upper die; 2. a lower die; 3. a cavity; 4. a main flow channel; 5. a shunt channel; 6. a top plate; 7. a pouring hole; 8. a runner plate; 9. a runner mold; 10. a flow dividing channel; 11. a flow guide channel; 12. a heat insulation plate; 13. a first cooling flow passage; 14. a second cooling flow channel; 15. a convex ring.

Detailed Description

The invention will be further described in the following with reference to specific embodiments thereof, with reference to the accompanying drawings, in which figures 1 to 5:

the utility model provides a quick injection mold of multimode chamber, includes mould 1 and lower mould 2, be equipped with a plurality of cores on the lower mould 2, go up mould 1 and still be equipped with a plurality of die cavities 3 with the core adaptation, die cavity 3 is double setting, is equipped with sprue 4 between two rows of die cavities 3, is equipped with the subchannel 5 with 3 intercommunications of every die cavity on the sprue 4, goes up and still is equipped with roof 6 on the mould 1, is equipped with pouring hole 7 on the roof 6, its characterized in that: still be equipped with runner plate 8 between roof 6 and the last mould 1, the center of going up mould 1 is equipped with runner mould 9, be equipped with reposition of redundant personnel runner 10 between runner plate 8 and the runner mould 9, still be equipped with a plurality of water conservancy diversion passageways 11 that are used for communicateing reposition of redundant personnel runner 10 and sprue 4 on the runner mould 9, and every water conservancy diversion passageway 11 corresponds with the position of every subchannel 5, sprue gate 7 run through runner plate 8 and with the central intercommunication of reposition of redundant personnel runner 10, the groove depth of reposition of redundant personnel runner 10 on the runner mould 9 deepens to both ends by the centre gradually, still be equipped with heat insulating board 12 between runner mould 9 and the last mould 1.

By adopting the technical scheme, the center of the upper die 1 is provided with a step hole structure; the runner mold 9 is arranged in a step hole of the upper mold 1, the runner mold 9 and the upper mold 1 can be fixed through bolts, the heat insulation sheet is a commercially available mold heat insulation plate 12 and is arranged between the runner mold 9 and the step hole, so that when the lower mold 2 and the upper mold 1 are cooled by cooling water, the glue material in the flow guide runner cannot be cooled, and the quality of a final product is improved; by the arrangement of the runner plate 8, the rubber enters from the pouring hole 7, pre-separation can be realized through the flow dividing runner 10, and then the rubber is intensively injected into the plurality of cavities 3, so that the flowing pressure of the rubber injected into the cavities 3 is more uniform, and the molding effect is better; the groove depth of the shunting flow channel 10 on the flow channel die 9 is gradually deepened from the middle to the two ends, namely the shunting flow channel 10 has a certain inclination, the two ends are low, the middle is high, the sizing material can flow to the two ends easily, the sizing material can enter the cavities 3 at the two ends quickly, and the injection molding efficiency and the injection molding quality are improved; this structure can once mould plastics a plurality of products, and is efficient and injection moulding effect is good.

The utility model discloses further set up to: the top surface of the runner mold 9 is provided with a convex ring 15 arranged around the flow dividing runner 10, and the bottom surface of the runner plate 8 is provided with a groove matched with the convex ring 15.

By adopting the technical scheme, the sealing performance between the runner mold 9 and the runner plate 8 can be improved, and the rubber material can be conveniently seeped between the runner mold 9 and the runner plate 8.

By adopting the technical scheme, the flexible graphite gasket can further increase the sealing property between the convex ring 15 and the groove, and the glue material is prevented from seeping outwards.

The utility model discloses further set up to: the upper die 1 is provided with a plurality of first cooling flow channels 13, and the lower die 2 is provided with a plurality of second cooling flow channels 14.

By adopting the technical scheme, the first cooling flow channels 13 are uniformly distributed above the cavity 3, and the second cooling flow channels 14 are uniformly distributed below the mold core, so that quick cooling can be realized after one-time injection molding is finished, the molding is convenient, and the cooling rate is improved.

The above-mentioned embodiment is only the preferred embodiment of the present invention, and does not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a quick injection mold of multimode chamber, includes mould (1) and lower mould (2), be equipped with a plurality of cores on lower mould (2), go up mould (1) and still be equipped with a plurality of die cavity (3) with the core adaptation, die cavity (3) are double setting, are equipped with sprue (4) between two rows of die cavity (3), are equipped with subchannel (5) with every die cavity (3) intercommunication on sprue (4), go up and still be equipped with roof (6) on mould (1), are equipped with plug hole (7) on roof (6), its characterized in that: roof (6) and go up still to be equipped with runner plate (8) between mould (1), the center of going up mould (1) is equipped with runner mould (9), be equipped with between runner plate (8) and runner mould (9) reposition of redundant personnel runner (10), still be equipped with on runner mould (9) and be used for communicateing a plurality of water conservancy diversion passageways (11) of reposition of redundant personnel runner (10) and sprue (4), and every water conservancy diversion passageway (11) corresponds with the position of every subchannel (5), sprue gate (7) run through runner plate (8) and with the center intercommunication of reposition of redundant personnel runner (10), the groove depth of reposition of redundant personnel runner (10) on runner mould (9) is deepened to both ends by the centre gradually, still be equipped with between runner mould (9) and the last mould (1) heat insulating board (12).

2. A multi-cavity rapid injection mold as defined in claim 1, wherein: the top surface of the runner mold (9) is provided with a convex ring (15) arranged around the flow dividing runner (10), and the bottom surface of the runner plate (8) is provided with a groove matched with the convex ring (15).

3. A multi-cavity rapid injection mold in accordance with claim 2, wherein: and a flexible graphite gasket is arranged in the groove.

4. A multi-cavity rapid injection mold as defined in claim 1, wherein: a plurality of first cooling flow channels (13) are arranged on the upper die (1), and a plurality of second cooling flow channels (14) are arranged on the lower die (2).