CN218838482U

CN218838482U - Injection mold with circulative cooling structure

Info

Publication number: CN218838482U
Application number: CN202223157235.0U
Authority: CN
Inventors: 丁玲
Original assignee: Shang Mingwei Plastic Technology Suzhou Co ltd
Current assignee: Shang Mingwei Plastic Technology Suzhou Co ltd
Priority date: 2022-11-28
Filing date: 2022-11-28
Publication date: 2023-04-11
Anticipated expiration: 2032-11-28

Abstract

The utility model relates to a plastic production technical field, especially, be an injection mold with circulative cooling structure, including the front bezel, the front bezel is used for installing cold water tank and cooling mechanism, and cold water in the cold water tank flows out through a plurality of tube heads, evenly flows through the junction of fixed mould and movable mould, and the fashioned position of plastic promptly, and hot water and fashioned plastic fall together, and the plastic falls to first filter plate, and hot water gets into and receives the water tank, and hot water in receiving the water tank gets into the cooler under the effect of water pump, gets into the cold water tank through the back flow after the cooler cooling, accomplishes the circulation; among the above-mentioned technical scheme, a plurality of heat dissipation fan has accelerated the flow of air in the fender bracket, makes the cooling effect better, and the cooling method of fountain makes the cooling more even, more comprehensive, guarantees plastic product's quality, and the resource has been practiced thrift to the water of while cooling process also circulated utilization.

Description

Injection mold with circulative cooling structure

Technical Field

The utility model belongs to the technical field of the plastic goods production technique and specifically relates to an injection mold with circulative cooling structure.

Background

An injection mold is a tool for producing plastic products and also a tool for giving the plastic products complete structure and precise dimensions. Injection molding is a process used to mass produce parts of some complex shapes. Specifically, the plastic melted by heating is injected into a mold cavity from an injection molding machine at high pressure, and a formed product is obtained after cooling and solidification.

Because the injection molding liquid has higher temperature when entering the injection mold and the natural cooling time is too long, the time for preparing injection molding products in industrial production is greatly prolonged, the injection mold is generally provided with a cooling system comprising an air cooling mode and a water cooling mode, and the circulating cooling structure has the advantages of saving resources and reducing pollution discharge; at present, a closed circulation cooling mode is preferred to be adopted by circulation cooling equipment, and the closed circulation cooling mode generally carries out heat transfer by contacting an injection mold through a curved pipeline with cold water flowing inside, so that the mode is difficult to ensure uniform and comprehensive cooling, and in view of the above, an injection mold with a circulation cooling structure is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defect of proposing in the above-mentioned background art through proposing an injection mold with circulative cooling structure.

The utility model adopts the technical scheme as follows:

the injection mold with the circulating cooling structure comprises a front seat, wherein the front seat is used for mounting a cold water tank and a cooling mechanism; a water receiving tank is arranged between the rear seat and the front seat; the circulating cooling part is used for cooling the injection mold, the water receiving tank is used for collecting hot water, and the circulating cooling part cools the hot water into cold water again; and a plurality of inclined heat dissipation fans in the cooling mechanism are used for accelerating the flow of gas in the protection frame.

As an optimal technical solution of the utility model: the cold water tank is connected with the spray pipe, and the bottom of the spray pipe is provided with a plurality of pipe heads.

As a preferred technical solution of the utility model: the top of fender bracket is the top to one side of sharp tower type, the top middle part of fender bracket has seted up sprays the mouth for hold a plurality of tube head.

As an optimal technical solution of the utility model: ventilating holes are formed in the two inclined planes at the top end of the protection frame, and the heat dissipation fans are correspondingly located in the ventilating holes respectively.

As an optimal technical solution of the utility model: and a protective ring is arranged at the rear end of the protective frame and used for preventing water from leaking outwards during cooling.

As an optimal technical solution of the utility model: two layers of filter plates are arranged between the protective frame and the water collecting tank, the upper layer is used for filtering processed plastic products, and the lower layer is used for filtering impurity dust.

As an optimal technical solution of the utility model: the circulating cooling part also comprises a cooler, a water pump and a return pipe.

As a preferred technical solution of the utility model: the water pump is used for cooling hot water in the water receiving tank through the cooler and then flowing into the cold water tank through the return pipe.

As an optimal technical solution of the utility model: the protective frame is internally provided with a mold body, and the mold body comprises a fixed mold and a movable mold which are matched with each other.

As an optimal technical solution of the utility model: the spray pipe is positioned right above the joint of the fixed die and the movable die.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a circulative cooling portion that is equipped with, the cold water in the cooling water tank flows out through a plurality of tube heads, flow through the junction of fixed mould and movable mould evenly, the fashioned position of plastic product promptly, a plurality of heat dissipation fan inhale the air of top, blow to the fender bracket inside and from the lower port department of fender bracket, hot water and fashioned plastic product fall together, the plastic product falls on first filter plate, hot water continues to fall and gets into the water receiving tank after filtering to the second filter plate, hot water in the water receiving tank gets into the cooler under the effect of water pump, get into the cooling water tank through the back flow after the cooler cools off, accomplish the circulation; among the above-mentioned technical scheme, the flow of air in the fender bracket has been accelerated to a plurality of heat dissipation fan, makes the cooling effect better, and the cooling method of fountain makes the cooling more even, more comprehensive, guarantees the quality of plastic goods, and the water among the cooling process is cyclic utilization also simultaneously, has practiced thrift the resource.

Drawings

Fig. 1 is a schematic overall structure diagram of the preferred embodiment of the present invention;

FIG. 2 is a schematic structural view of a circulation cooling part according to a preferred embodiment of the present invention;

fig. 3 is a partial structural schematic diagram of the preferred embodiment of the present invention;

fig. 4 is a partial exploded view of a preferred embodiment of the present invention;

fig. 5 is a second partial exploded view of the preferred embodiment of the present invention.

The meaning of each label in the figure is:

1. a front seat; 11. A through hole;

2. a rear seat; 21. Mounting a plate;

3. a mold body; 31. fixing a mold; 311. a first inner chamber; 312. injection molding holes; 313. a limiting hole; 32. moving the mold; 321. a second lumen; 322. a slide hole; 33. a fixed mount; 34. a limiting column; 35. pushing the plate; 351. pushing the column;

4. a circulating cooling part; 41. a cold water tank; 42. a shower pipe; 421. a pipe head; 43. a first filter plate; 44. a second filter plate; 45. a water collecting tank; 46. a cooler; 47. a water pump; 48. a cooling mechanism; 481. a protection frame; 4811. a transparent plate; 4812. a spray port; 4813. a ventilation hole; 482. a guard ring; 483. a heat dissipation fan; 49. a return pipe;

5. a first electric cylinder;

6. a second electric cylinder.

Detailed Description

It should be noted that, in the present embodiment, features of the embodiment and the embodiment can be combined with each other without conflict, and the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 3, the preferred embodiment of the present invention provides an injection mold with a circulating cooling structure, which includes a front seat 1, wherein the front seat 1 is used for installing a cold water tank 41 and a cooling mechanism 48; a water receiving tank 45 is arranged between the rear seat 2 and the front seat 1; a circulating cooling part 4, wherein the circulating cooling part 4 is used for cooling the injection mold, the water receiving tank 45 is used for collecting hot water, and the circulating cooling part 4 cools the hot water into cold water again; cooling fan 483 of a plurality of slope in the mechanism 48 with cold, a flow for accelerating gas in the fender bracket 481, ventilation hole 4813 has all been seted up on two inclined planes on the top of fender bracket 481, a plurality of cooling fan 483 corresponds respectively and is located a plurality of ventilation hole 4813, cold water tank 41 is connected with shower 42, shower 42's bottom is equipped with a plurality of tube head 421, the top of fender bracket 481 is the top of leaning towards the top of sharp tower type, a shower nozzle 4812 has been seted up at the top middle part of fender bracket 481, a plurality of tube head 421 is used for holding, shower 42 is located the fixed die 31 and moves directly over the mould 32 junction, the flow of air in the fender bracket 481 has been accelerated to a plurality of cooling fan 483, make the cooling effect better, the cooling method of fountain, make the cooling more even, it is more comprehensive.

Two layers of filter plates are arranged between the protective frame 481 and the water collecting tank 45, the two layers of filter plates are a first filter plate 43 and a second filter plate 44 from top to bottom in sequence, the filter hole of the first filter plate 43 is larger than the filter hole of the second filter plate 44, the upper layer is used for filtering processed plastic products, and the lower layer is used for filtering impurity dust, so that when the open type circulating cooling structure works, dust in air is washed into water and combined with microorganisms to form slime to block a pipeline.

The circulative cooling part 4 further comprises a cooler 46, a water pump 47 and a return pipe 49, wherein the water pump 47 is used for cooling the hot water in the water collecting tank 45 through the cooler 46 and then flows into the cold water tank 41 through the return pipe 49, and the cooler 46 ensures that the hot water can be rapidly cooled into cold water which enters the cold water tank 41 again for cooling and forming.

Referring to fig. 4-5, a mold body 3 is disposed in the protection frame 481, the mold body 3 includes a fixed mold 31 and a movable mold 32 that are matched with each other, a first inner cavity 311 is disposed on a rear sidewall of the fixed mold 31, a second inner cavity 321 is disposed on a front sidewall of the movable mold 32, and when the fixed mold 31 and the movable mold 32 are tightly attached to each other, the first inner cavity 311 and the second inner cavity 321 form a shape of a plastic product.

Through-hole 11 has been seted up at the middle part of front bezel 1, and the preceding lateral wall of stationary mould 31 is fixed in the rear side of through-hole 11, and injection molding hole 312 has been seted up at the middle part of stationary mould 31, and injection molding hole 312 communicates between first inner chamber 311 and the through-hole 11, conveniently pours into fused plastics into.

Move rear side fixedly connected with mount 33 of mould 32, install the electronic jar 6 of second on the antetheca of mount 33, the rear side of mount 33 is equipped with first electronic jar 5, the electronic jar 6's of second piston rod fixedly connected with push pedal 35, fixedly connected with a plurality of traveller 351 on the preceding lateral wall of push pedal 35, a plurality of slide opening 322 has been seted up on the movable mould 32, a plurality of traveller 351 is located respectively in a plurality of slide opening 322 and with a plurality of slide opening 322 between sliding connection, the rear side of front stall 1 is equipped with back seat 2, the top rear side fixedly connected with mounting panel 21 of back seat 2, the preceding lateral wall of mounting panel 21 is fixed with the cylinder body of first electronic jar 5, the piston rod of first electronic jar 5 is fixed in on the rear side wall of mount 33.

Spacing hole 313 has been seted up near the edge to the back lateral wall of fixed mould 31, and the preceding lateral wall of moving mould 32 is close to the spacing post 34 of edge fixedly connected with, and the cooperation between spacing post 34 and the spacing hole 313, this technical scheme for preventing misplacement between moving mould 32 and the fixed mould 31.

The rear end of fender bracket 481 is equipped with guard ring 482 for water exosmoses when preventing the cooling, transparent plate 4811 is all installed to the left and right sides of fender bracket 481, prevent leaking and conveniently observe the injection moulding article shaping condition, the preceding lateral wall fixed connection of fender bracket 481 is on the back lateral wall of front stall 1, the top left side fixed connection of fender bracket 481 is in the top of back stall 2, the size of the mould body 3 matches with the size of guard ring 482, the bottom surface of movable mould 32 and the top surface laminating of front stall 1, movable mould 32 can slide on front stall 1, this technical scheme is for guaranteeing that water flows into from the lower port of fender bracket 481 and receives during the water tank 45, and can not ooze from other places.

In the injection mold with the circulating cooling structure of the embodiment, a user opens the first electric cylinder 5, a piston rod of the first electric cylinder 5 pushes the movable mold 32 to slide forwards on the upper surface of the rear seat 2, the limiting column 34 gradually extends into the limiting hole 313 and slides in the limiting hole 313 until the movable mold 32 passes through the protective ring 482 and then is completely closed with the fixed mold 31, the first electric cylinder 5 is closed, the first inner cavity 311 and the second inner cavity 321 form a plastic product molding cavity, and molten plastic is injected into the plastic product molding cavity through the injection hole 312 at high pressure;

cold water in the cold water tank 41 flows out through the pipe heads 421, uniformly flows through the connecting part between the fixed mold 31 and the movable mold 32, namely the position where the plastic product is molded, the heat dissipation fans 483 suck air above the air, blow the air to the inside of the protection frame 481 and run out from the lower port of the protection frame 481, simultaneously open the first electric cylinder 5 and the second electric cylinder 6, the first electric cylinder 5 drives the movable mold 32 to move backwards, the second electric cylinder 6 drives the push columns 351 to slide forwards in the slide holes 322, and the plastic product is pushed out and falls onto the first filter plate 43, namely injection molding is completed;

the hot water passes through a plurality of filter holes of the first filter plate 43 and then continuously falls to the second filter plate 44 to be filtered and then enters the water receiving tank 45, the hot water in the water receiving tank 45 enters the cooler 46 under the action of the water pump 47, and after being cooled by the cooler 46, the hot water enters the cold water tank 41 through the return pipe 49, and the circulation is completed.

It will be evident to those skilled in the art that the invention 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 invention 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.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides an injection mold with circulative cooling structure which characterized in that: the method comprises the following steps:

the refrigerator comprises a front seat (1), wherein the front seat (1) is used for installing a cold water tank (41) and a cooling mechanism (48);

a water receiving tank (45) is arranged between the rear seat (2) and the front seat (1);

the circulating cooling part (4), the circulating cooling part (4) is used for cooling the injection mold, the water collecting tank (45) is used for collecting hot water, and the circulating cooling part (4) cools the hot water into cold water again; and a plurality of inclined heat dissipation fans (483) in the cooling mechanism (48) are used for accelerating the flow of the gas in the protection frame (481).

2. The injection mold with a circulating cooling structure according to claim 1, wherein: the cold water tank (41) is connected with the spray pipe (42), and the bottom end of the spray pipe (42) is provided with a plurality of pipe heads (421).

3. The injection mold with a circulating cooling structure according to claim 2, wherein: the top end of the protection frame (481) is a pointed tower type inclined top, and the middle part of the top end of the protection frame (481) is provided with a spraying port (4812) for accommodating a plurality of pipe heads (421).

4. The injection mold with a circulating cooling structure according to claim 3, wherein: ventilating holes (4813) are formed in two inclined planes at the top end of the protection frame (481), and the plurality of heat dissipation fans (483) are correspondingly located in the ventilating holes (4813) respectively.

5. The injection mold with the circulation cooling structure according to claim 1, wherein: the rear end of the protection frame (481) is provided with a protection ring (482).

6. The injection mold with a circulating cooling structure according to claim 1, wherein: two layers of filter plates are arranged between the protective frame (481) and the water collecting tank (45), the upper layer is used for filtering plastic products which are processed, and the lower layer is used for filtering impurity dust.

7. The injection mold with a circulating cooling structure according to claim 1, wherein: the circulation cooling part (4) further comprises a cooler (46), a water pump (47) and a return pipe (49).

8. The injection mold with the circulation cooling structure according to claim 7, wherein: the water pump (47) is used for cooling hot water in the water receiving tank (45) through the cooler (46) and then flowing into the cold water tank (41) through the return pipe (49).

9. The injection mold with a circulating cooling structure according to claim 2, wherein: a die body (3) is arranged in the protection frame (481), and the die body (3) comprises a fixed die (31) and a movable die (32) which are matched with each other.

10. The injection mold with the circulation cooling structure according to claim 9, wherein: the spraying pipe (42) is positioned right above the joint of the fixed die (31) and the movable die (32).