CN210590438U

CN210590438U - Heat sink for auto-parts injection mold

Info

Publication number: CN210590438U
Application number: CN201921138618.9U
Authority: CN
Inventors: 朱小辉; 朱鹏生; 张记海
Original assignee: Kunshan Huihai Mould Co ltd
Current assignee: Kunshan Huihai Mould Co ltd
Priority date: 2019-07-19
Filing date: 2019-07-19
Publication date: 2020-05-22
Anticipated expiration: 2029-07-19

Abstract

The utility model relates to a relevant technical field of injection mold, and a heat sink for auto-parts injection mold is disclosed, including positioning seat and injection mold, injection mold fixed mounting is in the inboard of positioning seat, constitute sealed cavity between positioning seat and the injection mold, the inboard of positioning seat is provided with the annular multi-ported pipe that the annular is around the injection mold, the annular multi-ported pipe passes through the inboard top of locating rack fixed mounting at the positioning seat, the diffluence pass has been seted up to the annular inside wall of annular multi-ported pipe, fixedly connected with slant honeycomb duct on the diffluence pass, arc drainage groove has been seted up to the annular lateral wall of injection mold, the one end of slant honeycomb duct keeping away from the diffluence pass extends to inside wall and the fixedly connected. This auto-parts is heat sink for injection mold, the effectual cooling area of contact who has increased between coolant liquid and the injection mould, and the dynamic contact heat transfer of coolant liquid to can absorb the heat of injection mould outside conduction, timely effectual cooling.

Description

Heat sink for auto-parts injection mold

Technical Field

The utility model relates to a relevant technical field of injection mold specifically is a heat sink for auto-parts injection mold.

Background

The popularization of car makes auto-parts's production demand bigger and bigger, auto-parts are when carrying out the production of moulding plastics, mould plastics under the molten condition, need to mould plastics the production spare and carry out cooling, make the product carry out good shaping, but current auto-parts injection mold generally utilizes the mode of water-cooling to carry out the heat exchange, but the heat that mould itself conducted exchanges with the cooling water, but absorb thermal cooling water can not in time effectually discharge, the cooling rate that auto-parts injection mold has reduced to a certain extent, consequently, the inventor has designed the heat sink that an auto-parts injection mold used, come to carry out effective heat exchange to the heat of injection mold conduction.

SUMMERY OF THE UTILITY MODEL

The problem that heat conducted by the automobile accessory injection mold cannot be effectively discharged technically is solved.

A cooling device for an injection mold of an automobile part comprises a positioning seat and an injection mold, wherein the injection mold is fixedly arranged on the inner side of the positioning seat, a sealed cavity is formed between the positioning seat and the injection mold, an annular multi-way pipe surrounding the injection mold in an annular shape is arranged on the inner side of the positioning seat, the annular multi-way pipe is fixedly arranged on the top of the inner side of the positioning seat through a positioning frame, a branch port is formed in the annular inner side wall of the annular multi-way pipe, an oblique guide pipe is fixedly connected onto the branch port, an arc-shaped drainage groove is formed in the annular outer side wall of the injection mold, one end, far away from the branch port, of the oblique guide pipe extends to the inner side wall of the corresponding arc-shaped drainage groove and is fixedly connected with a spray head, a liquid guide communication pipe is fixedly connected to the water guide port of the, the positioning seat is characterized in that a mounting groove is formed in the middle of the inner side bottom of the positioning seat, an overflow disc is fixedly mounted at the inner side bottom of the mounting groove, an overflow hole is formed in the annular outer side wall of the overflow disc, and a drainage joint is fixedly connected to the drainage hole at the inner side bottom of the mounting groove.

Preferably, the centers of the positioning seat and the injection mold are positioned on the same vertical line, and the overflow disc is positioned under the injection mold.

Preferably, the annular multi-way pipe is positioned at the top of the outer side of the injection mold, and the centers of the annular multi-way pipe and the injection mold are on the same axis.

Preferably, the annular arrays of the flow distribution ports are distributed on the inner side of the annular multi-way pipe, the annular arrays of the arc-shaped drainage grooves are distributed on the annular outer side of the injection mold, and the flow distribution ports and the arc-shaped drainage grooves are arranged in a one-to-one correspondence manner.

Preferably, the overflow hole annular array is arranged on the outer side of the overflow disc, and the height of the overflow hole is 5-6 mm higher than the bottom surface of the injection mold.

Preferably, the transverse cross section of the arc-shaped drainage groove is trapezoidal, and the external opening of the arc-shaped drainage groove is smaller than the internal opening.

Compared with the prior art:

(1) this auto-parts heat sink for injection mold, through setting up annular multi-ported pipe, arc drainage groove and shower nozzle mutually support, when equipment uses, supply with the coolant liquid through the external coolant liquid feeding device of connector, make the coolant liquid through the leading-in inner chamber that annular multi-ported pipe of drain communicating pipe, make the coolant liquid shunt injection to the arc drainage inslot through slant honeycomb duct and shower nozzle, make the coolant liquid carry out the contact heat transfer along the inside wall in arc drainage groove, the effectual cooling contact area who increases between coolant liquid and the injection mould, and the dynamic contact heat transfer of coolant liquid, the effectual heat of exchanging and mobile the discharge, thereby can absorb the heat of injection mould outside conduction, timely effectual cooling.

(2) This auto-parts heat sink for injection mold, mutually support through setting up injection mould and overflow dish, when equipment uses, the inside wall flow direction injection mould's bottom that the coolant liquid passes through arc drainage groove for coolant liquid after the absorbed heat flows to the overflow dish in, and the bottom surface of the interior accumulation of overflow dish and injection mould contacts, too much coolant liquid passes through the inboard of overflow hole discharge drainage dish here simultaneously, thereby avoid the too much condition that the heat exchange speed was reduced in the heat absorption of coolant liquid.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1;

fig. 3 is the schematic view of the horizontal cross section of the injection mold of the present invention.

In the figure: the device comprises a positioning seat 1, an injection mold 2, a sealing cavity 3, an annular multi-way pipe 4, a positioning frame 5, a split-flow port 6, a slant flow guide pipe 7, an arc-shaped flow guide groove 8, a spray head 9, a liquid guide communicating pipe 10, a connector 11, a mounting groove 12, an overflow disc 13, an overflow hole 14 and a drainage connector 15.

Detailed Description

As shown in fig. 1-3, the utility model provides a technical solution: the utility model provides a heat sink for auto-parts injection mold, including positioning seat 1 and

injection mould

2, 2 fixed mounting of injection mould are in the inboard of positioning seat 1, constitute sealed cavity 3 between positioning seat 1 and the injection mould 2, the inboard of positioning seat 1 is provided with annular multi-ported tube 4 around injection mould 2, annular multi-ported tube 4 passes through 5 fixed mounting at the inboard top of positioning seat 1 of locating rack, annular multi-ported tube 4 is located the outside top of injection mould 2, the center of annular multi-ported tube 4 and injection mould 2 is on same axis, diffluence pass 6 has been seted up to the annular inside wall of annular multi-ported tube 4, fixedly connected with slant honeycomb duct 7 on diffluence pass 6, arc drainage groove 8 has been seted up to the annular lateral wall of injection mould 2, the transverse section shape of arc drainage groove 8 is trapezoidal, the outside opening of arc drainage groove 8 is less than inside opening, the one end of slant honeycomb duct 7 keeping away from diffluence pass 6 extends to inside wall The injection mold is provided with a spray head 9, a diversion port 6 is distributed on the inner side of an annular multi-way pipe 4 in an annular array manner, an arc-shaped drainage groove 8 is distributed on the outer side of an annular shape of an injection mold 2 in an annular array manner, the diversion port 6 and the arc-shaped drainage groove 8 are arranged in a one-to-one correspondence manner, a liquid guiding communicating pipe 10 is fixedly connected with a water guiding port of the annular multi-way pipe 4, one end of the liquid guiding communicating pipe 10 far away from the annular multi-way pipe 4 penetrates through the inner wall of the left side of a positioning seat 1 and is fixedly connected with a connector 11, an installation groove 12 is arranged in the middle position of the bottom of the inner side of the positioning seat 1, an overflow disc 13 is fixedly installed at the bottom of the installation groove 12, an overflow hole 14 is arranged on the annular outer side wall of the overflow disc 13, the centers of the positioning seat 1 and the injection mold 2 are positioned on the same vertical, a drainage joint 15 is fixedly connected at the drainage hole at the bottom of the inner side of the mounting groove 12.

When the device is used, the cooling liquid is supplied by the external cooling liquid supply device of the connector 11, the cooling liquid is led into the inner cavity of the annular multi-way pipe 4 through the liquid guide communicating pipe 10, the cooling liquid is subjected to shunt injection in the arc-shaped drainage groove 8 through the oblique flow guide pipe 7 and the spray head 9, the cooling liquid is subjected to contact heat exchange along the inner side wall of the arc-shaped drainage groove 8, the cooling contact area between the cooling liquid and the injection mold 2 is effectively increased, the dynamic contact heat exchange of the cooling liquid is effective for exchanging heat and discharging the heat in a flowing manner, so that the heat conducted outside the injection mold 2 can be absorbed, the cooling liquid flows to the bottom of the injection mold 2 through the inner side wall of the arc-shaped drainage groove 8, the cooling liquid after absorbing the heat flows into the overflow disc 13, the cooling liquid accumulated in the overflow disc 13 is contacted with the bottom surface of the injection mold 2, and excessive cooling liquid is discharged out of the inner side of the overflow disc 13 through the overflow hole 14, the coolant flows into the inside of the mounting groove 12 and is finally discharged through the drain connector 15 at the drain port.

Claims

1. The utility model provides a heat sink for auto-parts injection mold, includes positioning seat (1) and injection mould (2), its characterized in that: the injection mold (2) is fixedly arranged on the inner side of the positioning seat (1), a sealed cavity (3) is formed between the positioning seat (1) and the injection mold (2), an annular multi-way pipe (4) which surrounds the injection mold (2) in an annular shape is arranged on the inner side of the positioning seat (1), the annular multi-way pipe (4) is fixedly arranged on the top of the inner side of the positioning seat (1) through a positioning frame (5), a branch opening (6) is formed in the annular inner side wall of the annular multi-way pipe (4), an oblique guide pipe (7) is fixedly connected to the branch opening (6), an arc-shaped drainage groove (8) is formed in the annular outer side wall of the injection mold (2), one end of the oblique guide pipe (7) far away from the branch opening (6) extends to the inner side wall of the corresponding arc-shaped drainage groove (8) and is fixedly connected with a spray head (9), and a liquid guide communicating pipe (, the liquid guide communicating pipe (10) penetrates through the left inner wall of the positioning seat (1) and is fixedly connected with a connector (11) at one end far away from the annular multi-way pipe (4), a mounting groove (12) is formed in the middle of the inner side bottom of the positioning seat (1), an overflow disc (13) is fixedly mounted at the inner side bottom of the mounting groove (12), an overflow hole (14) is formed in the annular outer side wall of the overflow disc (13), and a drainage connector (15) is fixedly connected with a drainage hole at the inner side bottom of the mounting groove (12).

2. The cooling device for the injection mold of the automobile parts according to claim 1, wherein: the centers of the positioning seat (1) and the injection mold (2) are positioned on the same vertical line, and the overflow disc (13) is positioned under the injection mold (2).

3. The cooling device for the injection mold of the automobile parts according to claim 1, wherein: the annular multi-way pipe (4) is positioned at the top of the outer side of the injection mold (2), and the centers of the annular multi-way pipe (4) and the injection mold (2) are on the same axis.

4. The cooling device for the injection mold of the automobile parts according to claim 1, wherein: the flow distribution ports (6) are distributed on the inner side of the annular multi-way pipe (4) in an annular array mode, the arc-shaped drainage grooves (8) are distributed on the outer side of the injection mold (2) in an annular array mode, and the flow distribution ports (6) and the arc-shaped drainage grooves (8) are arranged in a one-to-one correspondence mode.

5. The cooling device for the injection mold of the automobile parts according to claim 1, wherein: the overflow holes (14) are arranged on the outer side of the overflow disc (13) in an annular array mode, and the height of the overflow holes (14) is 5-6 mm higher than the height of the bottom surface of the injection mold (2).

6. The cooling device for the injection mold of the automobile parts according to claim 1, wherein: the transverse cross section of the arc-shaped drainage groove (8) is trapezoidal, and the external opening of the arc-shaped drainage groove (8) is smaller than the internal opening.