CN216544424U

CN216544424U - Precise injection mold with cooling system

Info

Publication number: CN216544424U
Application number: CN202122664094.0U
Authority: CN
Inventors: 张云伟; 张银伟; 芮超
Original assignee: Shanghai Poling Precision Molding Co ltd
Current assignee: Shanghai Poling Precision Molding Co ltd
Priority date: 2021-11-02
Filing date: 2021-11-02
Publication date: 2022-05-17
Anticipated expiration: 2031-11-02

Abstract

The utility model discloses a precise injection mold with a cooling system, which comprises an outer frame, wherein a lower die holder is fixed at the bottom end inside the outer frame, and fixing columns are vertically fixed on two sides of the top end of the lower die holder respectively. This precision injection mold with cooling system passes through injection mold in the in-process of using the upper die body and carries out the in-process of pressfitting compound die between the lower die body, go up the die body when the inside of die cavity, can promote downwards two sets of kicking blocks that set up the inside bottom of die cavity automatically, the compression spring of kicking block bottom will be compressed to the inside of spacing groove, go up between die body and the die cavity after the compound die is accomplished, mould plastics through the inside of mouth of moulding plastics to the die cavity, it is risen by the drive of outside power equipment to go up the die body after the work piece shaping, the compression spring resilience of spacing inslot portion is ejecting the kicking block from the inside bottom of die cavity simultaneously, and it is convenient for take off to drive the work piece to carry out ejecting problem of taking off from the inside of die cavity, the problem of being not convenient for carrying out ejecting the work piece after the shaping is solved.

Description

Precise injection mold with cooling system

Technical Field

The utility model relates to the technical field of injection molds, in particular to a precise injection mold with a cooling system.

Background

The injection molding method of an injection mold is a method for obtaining a molded product after injecting a molten raw material into a mold cavity of the mold at a high pressure and cooling and solidifying, but some existing precise injection molds still have some defects in the using process, for example, no measure for conveniently cooling an injection molded workpiece, no measure for conveniently ejecting and taking down the molded workpiece, and no measure for conveniently guiding and limiting the position of the mold during mold closing.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a precise injection mold with a cooling system, which aims to solve the problem that the injection molded workpiece is inconvenient to cool in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an accurate injection mold with cooling system, includes the outrigger, the inside bottom mounting of outrigger has the die holder, the both sides on die holder top are vertical fixed with the fixed column respectively, the top of die holder is fixed with down the die body, the inside of die body transversely is provided with the reservation chamber down, the inside top of outrigger is provided with the upper die base, the bottom mounting of upper die base has the upper die body, the inside of upper die base top intermediate position department is provided with the mouth of moulding plastics, the inside on die body top is provided with the die cavity down, the bottom mounting of outrigger one side has the case of handling, the inside bottom of die body is provided with the inner chamber down.

Preferably, the inside in reservation chamber is provided with the cooling tube, the rear end of lower mould body one side is run through and is provided with the feed liquor pipe, the front end of lower mould body one side is run through and is provided with the drain pipe, the inside of handling the case is fixed with the cooling tube, the bottom mounting of handling incasement portion has cooling blower, the rear end of handling the case runs through and is provided with the back flow, be provided with the water pump on the back flow, the one side of handling the case is run through and is provided with the drinking-water pipe.

Preferably, drain pipe and feed liquor pipe are linked together with the inside of cooling tube respectively, back flow and drinking-water pipe are linked together with the inside of cooling tube respectively, one side of back flow and one side fixed connection of feed liquor pipe, one side of drinking-water pipe and one side fixed connection of drain pipe.

Preferably, two sides of the bottom end in the inner cavity are respectively provided with a limiting groove, a compression spring is vertically fixed at the bottom end in the limiting groove, a top block is fixed at the top end of the compression spring, and the top end of the top block penetrates through the interior of the lower die body and extends to the bottom end of the interior of the die cavity.

Preferably, the inside of one side of the fixed column is vertically provided with a limiting slide rail, two sides of the upper die base are respectively fixed with a limiting block, and the inside size of the limiting slide rail is larger than the outside size of the limiting block.

Preferably, the fixed column and the limiting block are respectively arranged symmetrically about the vertical center line of the lower die body.

Compared with the prior art, the utility model has the beneficial effects that: the precision injection mold with the cooling system not only realizes the convenience of cooling the injection molded workpiece, realizes the convenience of ejecting and taking down the molded workpiece, but also realizes the convenience of guiding and limiting during mold closing;

(1) by arranging the reserved cavity, the processing box, the liquid outlet pipe, the radiating pipe, the liquid inlet pipe, the return pipe, the water pump, the radiating fan, the cooling pipe and the water pumping pipe, in the use process of the injection mold, after the upper mold body at the bottom end of the upper mold base and the lower mold body at the top end of the lower mold base are subjected to press fit, injection liquid raw materials are guided into the mold cavity through the inside of an injection port, the liquid raw materials are subjected to contact and fixed molding between the inside of the mold cavity and the upper mold body, the radiating pipe is arranged inside the lower mold body at the moment, cooling liquid is arranged inside the radiating pipe, the bottom end of the mold cavity can be cooled, meanwhile, hot cooling liquid after the heat dissipation inside the radiating pipe is pumped out from the inside of the radiating pipe by utilizing the water pumping pipe and the liquid outlet pipe through starting of the water pump, and the cooling liquid inside the cooling pipe is blown and radiated by the radiating fan, the cooling liquid cooled in the cooling pipe is re-introduced into the internal circulation of the radiating pipe through the reflux pipe and the liquid inlet pipe to cool and radiate the bottom of the mold cavity, so that the molding efficiency of the injection molding workpiece is improved;

(2) by arranging the inner cavity, the ejector blocks and the compression springs, when the injection mold is used, an upper mold body is pressed and assembled with a lower mold body, when the upper mold body is pressed and assembled in the mold cavity, two groups of ejector blocks arranged at the bottom end in the mold cavity can be automatically pushed downwards, the compression springs at the bottom end of the ejector blocks are compressed into the limiting grooves, after the mold assembly between the upper mold body and the mold cavity is completed, the interior of the mold cavity is injected through an injection port, after a workpiece is molded, the upper mold body is driven by external power equipment to ascend, meanwhile, the compression springs in the limiting grooves rebound to eject the ejector blocks from the bottom end in the mold cavity, and drive the workpiece to eject from the interior of the mold cavity so as to be taken down;

(3) through being provided with the fixed column, spacing slide rail and stopper, when the in-process upper die base that injection moulding mould used drove the lower die body of mould pressure, vertical fixed column that is provided with respectively in the both sides on lower die base top, the upper die base is descending or the in-process that rises, the stopper that the upper die base both sides are fixed can be in the inside of spacing slide rail orientation slide from top to bottom and carry out the direction spacing when pressfitting or separation, make the cooperation between the mould use more accurately.

Drawings

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

FIG. 2 is an enlarged top view of a portion of the heat pipe of the present invention;

FIG. 3 is an enlarged partial cross-sectional top view of the cooling tube of the present invention;

FIG. 4 is an enlarged partial cross-sectional view taken at A in FIG. 1 according to the present invention;

FIG. 5 is an enlarged schematic view of a top view partial section of the limiting block of the present invention.

In the figure: 1. an outer frame; 2. fixing a column; 3. reserving a cavity; 4. an upper die holder; 5. an injection molding port; 6. feeding a mold body; 7. a mold cavity; 8. a treatment tank; 9. a liquid outlet pipe; 10. an inner cavity; 11. a lower die body; 12. a top block; 13. a lower die holder; 14. a radiating pipe; 15. a liquid inlet pipe; 16. a return pipe; 17. a water pump; 18. a heat radiation fan; 19. a cooling tube; 20. a water pumping pipe; 21. a limiting groove; 22. a compression spring; 23. a limiting slide rail; 24. and a limiting block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1: referring to fig. 1-5, a precision injection mold with a cooling system comprises an outer frame 1, wherein a lower mold base 13 is fixed at the bottom end inside the outer frame 1, fixing columns 2 are vertically fixed on two sides of the top end of the lower mold base 13 respectively, a lower mold body 11 is fixed at the top end of the lower mold base 13, a reserved cavity 3 is transversely arranged inside the lower mold body 11, an upper mold base 4 is arranged at the top end inside the outer frame 1, an upper mold body 6 is fixed at the bottom end of the upper mold base 4, an injection molding opening 5 is arranged inside the middle position of the top end of the upper mold base 4, a mold cavity 7 is arranged inside the top end of the lower mold body 11, a treatment box 8 is fixed at the bottom end of one side of the outer frame 1, and an inner cavity 10 is arranged at the bottom end inside the lower mold body 11;

a radiating pipe 14 is arranged in the reserved cavity 3, a liquid inlet pipe 15 penetrates through the rear end of one side of the lower die body 11, a liquid outlet pipe 9 penetrates through the front end of one side of the lower die body 11, a cooling pipe 19 is fixed inside the treatment box 8, a radiating fan 18 is fixed at the bottom end inside the treatment box 8, a return pipe 16 penetrates through the rear end of the treatment box 8, a water pump 17 is arranged on the return pipe 16, a water pumping pipe 20 penetrates through one side of the treatment box 8, the liquid outlet pipe 9 and the liquid inlet pipe 15 are respectively communicated with the inside of the radiating pipe 14, the return pipe 16 and the water pumping pipe 20 are respectively communicated with the inside of the cooling pipe 19, one side of the return pipe 16 is fixedly connected with one side of the liquid inlet pipe 15, and one side of the water pumping pipe 20 is fixedly connected with one side of the liquid outlet pipe 9;

specifically, as shown in fig. 1, fig. 2 and fig. 3, in the using process of the injection mold, after the upper mold body 6 at the bottom end of the upper mold base 4 and the lower mold body 11 at the top end of the lower mold base 13 are pressed and assembled, the injection liquid raw material is guided into the mold cavity 7 through the inside of the injection port 5, the liquid raw material is in contact and fixed molding between the inside of the mold cavity 7 and the upper mold body 6, at this time, the heat dissipation pipe 14 is arranged inside the lower mold body 11, the cooling liquid is arranged inside the heat dissipation pipe 14, the bottom end of the mold cavity 7 can be cooled, the water pump 17 can be started to pump out the hot cooling liquid after the heat dissipation inside the heat dissipation pipe 14 through the water pumping pipe 20 and the liquid outlet pipe 9 from the inside of the heat dissipation pipe 14 to the inside of the cooling pipe 19, the cooling fan 18 is started to blow the cooling pipe 19 and the cooling liquid inside, and the cooling liquid after the cooling inside the cooling pipe 19 is re-flowed back and guided into the internal circulation of the heat dissipation pipe 14 through the return pipe 16 and the liquid inlet pipe 15 And the bottom of the die cavity 7 is cooled and radiated, so that the molding efficiency of the injection molding workpiece is improved.

Example 2: limiting grooves 21 are respectively formed in two sides of the bottom end inside the inner cavity 10, a compression spring 22 is vertically fixed at the bottom end inside the limiting grooves 21, an ejector block 12 is fixed at the top end of the compression spring 22, and the top end of the ejector block 12 penetrates through the inside of the lower die body 11 and extends to the bottom end inside the die cavity 7;

specifically, as shown in fig. 1 and 4, in the process of pressing and assembling the upper mold body 6 with the lower mold body 11 in the use process of the injection mold, when the upper mold body 6 is pressed in the mold cavity 7, two sets of ejector blocks 12 arranged at the bottom end inside the mold cavity 7 can be automatically pushed downwards, compression springs 22 at the bottom ends of the ejector blocks 12 are compressed into the limiting grooves 21, after the mold assembly between the upper mold body 6 and the mold cavity 7 is completed, the inside of the mold cavity 7 is injected through the injection port 5, the upper mold body 6 is driven by external power equipment to ascend after the workpiece is molded, meanwhile, the compression springs 22 inside the limiting grooves 21 rebound to eject the ejector blocks 12 from the bottom end inside the mold cavity 7, and the workpiece is driven to eject from the inside of the mold cavity 7 so as to be taken down.

Example 3: a limiting slide rail 23 is vertically arranged in the inner part of one side of the fixed column 2, limiting blocks 24 are respectively fixed on two sides of the upper die base 4, the inner size of the limiting slide rail 23 is larger than the outer size of the limiting blocks 24, and the fixed column 2 and the limiting blocks 24 are respectively symmetrically arranged about the vertical center line of the lower die body 11;

specifically, as shown in fig. 1 and 5, when the upper die base 4 drives the upper die body 6 to press the lower die body 11 in the process of using the injection molding die, the fixing columns 2 are vertically arranged on two sides of the top end of the lower die base 13 respectively, and when the upper die base 4 descends or ascends, the limiting blocks 24 fixed on two sides of the upper die base 4 can be guided and limited in the process of pressing or separating in the limiting slide rail 23 by means of directional vertical sliding, so that the matching between the dies is more accurate.

The working principle is as follows: when the injection mold is used, after the upper mold body 6 at the bottom end of an upper mold base 4 and the lower mold body 11 at the top end of a lower mold base 13 are pressed and assembled, injection liquid raw materials are guided into the mold cavity 7 through the inside of an injection port 5, the liquid raw materials are in contact and fixed molding between the inside of the mold cavity 7 and the upper mold body 6, the radiating pipe 14 is arranged inside the lower mold body 11, cooling liquid is arranged inside the radiating pipe 14, the bottom end of the mold cavity 7 can be cooled, meanwhile, hot cooling liquid after the heat dissipation inside the radiating pipe 14 is pumped out from the inside of the radiating pipe 14 to the inside of a cooling pipe 19 through a water pump 17 and a liquid outlet pipe 9, a radiating fan 18 is started to carry out the heat dissipation on the cooling pipe 19 and the cooling liquid inside, the cooling liquid after the cooling inside the cooling pipe 19 is blown and dissipated through a return pipe 16 and a liquid inlet pipe 15, flows back and is guided into the internal circulation of the radiating pipe 14 again, and the bottom of the mold cavity 7 is fed into the bottom of the mold cavity 7 Cooling and radiating to accelerate the forming efficiency of an injection molding workpiece, wherein in the process of pressing and assembling an upper mold body 6 and a lower mold body 11 in the using process of the injection mold, when the upper mold body 6 is pressed in a mold cavity 7, two groups of ejector blocks 12 arranged at the bottom end in the mold cavity 7 can be automatically pushed downwards, compression springs 22 at the bottom ends of the ejector blocks 12 are compressed into a limiting groove 21, after the mold assembly between the upper mold body 6 and the mold cavity 7 is completed, the interior of the mold cavity 7 is injected through an injection port 5, after the workpiece is formed, the upper mold body 6 is driven by external power equipment to ascend, meanwhile, the compression springs 22 in the limiting groove 21 rebound to eject the ejector blocks 12 from the bottom end in the mold cavity 7 and drive the workpiece to eject from the interior of the mold cavity 7 so as to be conveniently taken down, and simultaneously when the upper mold base 4 drives the upper mold body 6 to press the lower mold body 11 in the using process of the injection molding mold, the both sides on lower die base 13 top are vertical fixed column 2 that is provided with respectively, and upper die base 4 is going down or the in-process that rises, and the stopper 24 that upper die base 4 both sides are fixed can be in the inside of spacing slide rail 23 and the direction when oriented upper and lower slip carries out the pressfitting or separates is spacing, and the cooperation that makes between the mould uses more accurately.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A precision injection mould with a cooling system, comprising an external frame (1), characterized in that: the bottom mounting of outrigger (1) inside has die holder (13), the both sides on die holder (13) top are vertical fixed with fixed column (2) respectively, the top of die holder (13) is fixed with down die body (11), the inside of die body (11) transversely is provided with reserved chamber (3) down, the inside top of outrigger (1) inside is provided with upper die base (4), the bottom mounting of upper die base (4) has last die body (6), the inside of upper die base (4) top intermediate position department is provided with mouth (5) of moulding plastics, the inside on die body (11) top is provided with die cavity (7) down, the bottom mounting of outrigger (1) one side has treatment box (8), the inside bottom of die body (11) is provided with inner chamber (10) down.

2. A precision injection mold having a cooling system according to claim 1, wherein: the inside of reserving chamber (3) is provided with cooling tube (14), the rear end of die body (11) one side runs through and is provided with feed liquor pipe (15) down, the front end of die body (11) one side runs through and is provided with drain pipe (9) down, the inside of handling case (8) is fixed with cooling tube (19), the bottom mounting of handling case (8) inside has radiator fan (18), the rear end of handling case (8) runs through and is provided with back flow (16), be provided with water pump (17) on back flow (16), one side of handling case (8) runs through and is provided with drinking-water pipe (20).

3. A precision injection mold having a cooling system according to claim 2, wherein: drain pipe (9) and feed liquor pipe (15) are linked together with the inside of cooling tube (14) respectively, back flow (16) and drinking-water pipe (20) are linked together with the inside of cooling tube (19) respectively, one side of back flow (16) and one side fixed connection of feed liquor pipe (15), one side of drinking-water pipe (20) and one side fixed connection of drain pipe (9).

4. A precision injection mold having a cooling system according to claim 1, wherein: limiting grooves (21) are respectively formed in two sides of the bottom end inside the inner cavity (10), a compression spring (22) is vertically fixed at the bottom end inside the limiting grooves (21), an ejector block (12) is fixed at the top end of the compression spring (22), and the top end of the ejector block (12) penetrates through the inside of the lower die body (11) and extends to the bottom end inside the die cavity (7).

5. A precision injection mold having a cooling system according to claim 1, wherein: the inner part of one side of the fixed column (2) is vertically provided with a limiting slide rail (23), two sides of the upper die base (4) are respectively fixed with a limiting block (24), and the inner size of the limiting slide rail (23) is larger than the outer size of the limiting block (24).

6. A precision injection mold having a cooling system according to claim 1, wherein: the fixed column (2) and the limiting block (24) are respectively arranged symmetrically about the vertical center line of the lower die body (11).