CN213919456U

CN213919456U - Cooling system of injection mold

Info

Publication number: CN213919456U
Application number: CN202022358624.4U
Authority: CN
Inventors: 曹小华
Original assignee: Kunshan Haohongyao Electronics Co ltd
Current assignee: Yuanzhan Electronic Technology Kunshan Co ltd
Priority date: 2020-10-21
Filing date: 2020-10-21
Publication date: 2021-08-10
Anticipated expiration: 2030-10-21

Abstract

The utility model relates to a cooling system of an injection mold, which comprises a bottom plate, a bracket is fixedly connected with the top of the bottom plate, a crossbeam is fixedly connected between the brackets, a hydraulic oil cylinder is fixedly connected with the bottom of the crossbeam, an upper mold seat is fixedly connected with the bottom of the hydraulic oil cylinder, an upper mold body is fixedly connected with the bottom of the upper mold seat, a lower mold body is arranged below the upper mold body, a lower mold seat is fixedly connected with the bottom of the lower mold body, a first communicating pipe is fixedly connected with one side of the lower mold body, a high-speed centrifugal pump is fixedly connected with the end of the first communicating pipe, a cooling box is fixedly connected with the bottom of the high-speed centrifugal pump, a second communicating pipe is fixedly connected with one side of the cooling box, the end of the second communicating pipe is fixedly connected with the side wall of the lower mold body, the utility model has novel structure and reasonable design, and can rapidly cool the lower mold body, and the cooling water can be recycled, and the cooling effect is better.

Description

Cooling system of injection mold

Technical Field

The utility model relates to an injection mold's cooling system belongs to injection mold's cooling system technical field.

Background

The injection mold is a tool for producing plastic products and also a tool for endowing the plastic products with complete structures and accurate sizes, the injection molding is a processing method used in batch production of parts with complex shapes, specifically, the plastic which is heated and melted is injected into a mold cavity from an injection molding machine at high pressure, and a formed product is obtained after cooling and solidification.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an injection mold's cooling system, the even injection moulding chamber of plastics after being convenient for melt through setting up sprue and inferior runner, avoid blockking up or spray inequality, influence the plastic forming quality, it is more stable with being connected of bed die body to make through setting up guide way and guide post, first seal gasket and second seal gasket can improve the compactness of being connected between bed die body and the bed die body, avoid having the phenomenon of spilling over among the plastic forming process, can cool off fast to the bed die body through setting up the cooler bin, and the work efficiency is improved, in order to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the cooling system of the injection mold comprises a bottom plate, wherein the top of the bottom plate is fixedly connected with brackets, a cross beam is fixedly connected between the brackets, the bottom of the beam is fixedly connected with a hydraulic oil cylinder which is symmetrically distributed relative to the central line of the beam, the bottom of the hydraulic oil cylinder is fixedly connected with an upper die base, the bottom of the upper die base is fixedly connected with an upper die body, a lower die body is arranged below the upper die body, a lower die seat is fixedly connected at the bottom of the lower die body, the bottom of the lower die base is fixedly connected with the bottom plate, one side of the lower die body is fixedly connected with a first communicating pipe, the tail end of the first communicating pipe is fixedly connected with a high-speed centrifugal pump, the bottom of the high-speed centrifugal pump is fixedly connected with a cooling box, and a second communicating pipe is fixedly connected to one side of the cooling box, and the tail end of the second communicating pipe is fixedly connected with the side wall of the lower die body.

Further, the center of the top of the upper die base is fixedly connected with a high-strength corrugated pipe, and the top of the high-strength corrugated pipe is fixedly connected with a feeding pipe.

Furthermore, a guide groove is formed in the bottom of the upper die body, first sealing gaskets are arranged on two sides of the guide groove, a guide column is fixedly connected to the top of the lower die body, and second sealing gaskets are arranged on two sides of the guide column.

Further, go up the inside sprue that is equipped with of mould body, sprue bottom fixedly connected with inferior runner, the quantity of inferior runner is five, the terminal fixedly connected with shower nozzle of inferior runner.

Further, the cavity formula structure is inside to the bed die body, the inside coolant liquid that has filled of bed die body, the inside fixedly connected with heat-conducting plate of bed die body, the quantity of heat-conducting plate is a plurality of.

Further, the inside fixedly connected with compressor of cooler bin, pipeline and high-speed centrifugal pump fixed connection are passed through at the compressor top, compressor one side is equipped with the refrigeration chamber, the inside fixedly connected with heat exchanger in refrigeration chamber, compressor one side passes through pipeline fixed connection with the heat exchanger, compressor one side and second communicating pipe fixed connection are kept away from to the heat exchanger.

The utility model has the advantages that:

1. the utility model discloses a set up the high strength bellows and be convenient for when hydraulic cylinder during operation feed cylinder can stretch out thereupon, avoid the pipeline to break and influence production, through setting up the sprue and the plastics after being convenient for melt of runner evenly spout into the die cavity, avoid blockking up or spray inequality, influence plastics shaping quality;

2. the utility model makes the connection between the upper die body and the lower die body more stable by arranging the guide groove and the guide post, the first sealing gasket and the second sealing gasket can improve the connection tightness between the upper die body and the lower die body, and avoids the overflow phenomenon in the plastic forming process;

3. the utility model discloses a set up the area of contact of multiplicable bed die body of heat-conducting plate and coolant liquid, improve the radiating effect, can circulate the refrigeration to the coolant liquid of the inside packing of bed die body through setting up compressor and heat exchanger, avoid the coolant liquid to produce high temperature phenomenon after long-term work, influence cooling efficiency.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

FIG. 1 is a schematic view of the overall structure of a cooling system of an injection mold according to the present invention;

FIG. 2 is a schematic view of the internal structure of the upper mold body of the cooling system of the injection mold of the present invention;

FIG. 3 is a schematic view of the internal structure of the lower mold body of the cooling system of the injection mold of the present invention;

FIG. 4 is a schematic view of the internal structure of the cooling box of the cooling system of the injection mold of the present invention;

reference numbers in the figures: 1. a base plate; 2. a support; 3. a cross beam; 4. a hydraulic cylinder; 5. an upper die base; 6. an upper die body; 7. a lower die body; 8. a lower die base; 9. a high-speed centrifugal pump; 10. a cooling tank; 11. a high strength corrugated tube; 12. a guide groove; 13. a guide post; 14. a main flow channel; 15. a secondary flow passage; 16. a heat conducting plate; 17. a compressor; 18. a refrigeration cavity; 19. a heat exchanger.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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. 1-4, the present invention provides a technical solution:

the cooling system of the injection mold comprises a bottom plate 1, wherein the top of the bottom plate 1 is fixedly connected with a support 2, a cross beam 3 is fixedly connected between the supports 2, the bottom of the cross beam 3 is fixedly connected with a hydraulic oil cylinder 4, the hydraulic oil cylinders 4 are symmetrically distributed relative to the central line of the cross beam 3, the bottom of the hydraulic oil cylinder 4 is fixedly connected with an upper mold seat 5, the bottom of the upper mold seat 5 is fixedly connected with an upper mold body 6, a lower mold body 7 is arranged below the upper mold body 6, the bottom of the lower mold body 7 is fixedly connected with a lower mold seat 8, the bottom of the lower mold seat 8 is fixedly connected with the bottom plate 1, one side of the lower mold body 7 is fixedly connected with a first communicating pipe, the tail end of the first communicating pipe is fixedly connected with a high-speed centrifugal pump 9, the bottom of the high-speed centrifugal pump 9 is fixedly connected with a cooling box 10, and one side of the cooling box 10 is fixedly connected with a second communicating pipe, and the tail end of the second communicating pipe is fixedly connected with the side wall of the lower die body 7.

Specifically, as shown in fig. 1, the center of the top of the upper mold base 5 is fixedly connected with a high-strength corrugated pipe 11, the top of the high-strength corrugated pipe 11 is fixedly connected with a feeding pipe 1, the bottom of the upper mold body 6 is provided with a guide groove 12, two sides of the guide groove 12 are provided with a first sealing gasket, the top of the lower mold body 7 is fixedly connected with a guide post 13, two sides of the guide post 13 are provided with a second sealing gasket, the upper mold body 6 and the lower mold body 7 are more stably connected by arranging the guide groove 12 and the guide post 13, the first sealing gasket and the second sealing gasket can improve the tightness of connection between the upper mold body 6 and the lower mold body 7, and the overflow phenomenon in the plastic forming process is avoided.

Specifically, as shown in fig. 2, the main runner 14 is arranged inside the upper die body 6, the secondary runners 15 are fixedly connected to the bottom of the main runner 14, the number of the secondary runners 15 is five, and the nozzles are fixedly connected to the tail ends of the secondary runners 15, so that melted plastic can be uniformly sprayed into the die cavity by arranging the main runner 14 and the secondary runners 15, and the plastic forming quality is prevented from being affected due to uneven spraying or blockage.

Specifically, as shown in fig. 3, the inside cavity formula structure that is of bed die body 7, the inside packing of bed die body 7 has the coolant liquid, the inside fixedly connected with heat-conducting plate 16 of bed die body 7, the quantity of heat-conducting plate 16 is a plurality of, through setting up the area of contact of 16 multiplicable bed die bodies 7 of heat-conducting plate and coolant liquid, improves the radiating effect.

Specifically, as shown in fig. 4, the inside fixedly connected with compressor 17 of cooler bin 10, pipeline and high-speed centrifugal pump 9 fixed connection are passed through at compressor 17 top, compressor 17 one side is equipped with refrigeration chamber 18, the inside fixedly connected with heat exchanger 19 in refrigeration chamber 18, compressor 17 one side and heat exchanger 19 pass through pipeline fixed connection, compressor 17 one side and second communicating pipe fixed connection are kept away from to heat exchanger 19, can circulate the refrigeration to the coolant liquid of the inside packing of bed die body 7 through setting up compressor 17 and heat exchanger 19, avoid the coolant liquid to produce high temperature phenomenon after long-term operation, influence cooling efficiency.

The utility model discloses the theory of operation: when the utility model is used, the high-strength corrugated pipe 11 is arranged to facilitate the extension of a feed pipe when the hydraulic oil cylinder 4 works, the pipeline is prevented from being broken to influence the production, the melted plastic is conveniently and evenly injected into a die cavity by arranging the main runner 14 and the secondary runner 15, the blockage or uneven injection is avoided, the plastic forming quality is influenced, the connection between the upper die body 6 and the lower die body 7 is more stable by arranging the guide groove 12 and the guide post 13, the connection tightness between the upper die body 6 and the lower die body 7 can be improved by the first sealing gasket and the second sealing gasket, the overflow phenomenon in the plastic forming process is avoided, the contact area between the lower die body 7 and the cooling liquid can be increased by arranging the heat conducting plate 16, the heat dissipation effect is improved, the cooling liquid filled in the lower die body 7 can be circularly refrigerated by arranging the compressor 17 and the heat exchanger 19, the phenomenon that the cooling liquid generates high temperature after working for a long time and influences the cooling efficiency is avoided.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. 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. Injection mold's cooling system, including bottom plate (1), its characterized in that: the top of the bottom plate (1) is fixedly connected with a support (2), a cross beam (3) is fixedly connected between the supports (2), a hydraulic oil cylinder (4) is fixedly connected to the bottom of the cross beam (3), the hydraulic oil cylinder (4) is symmetrically distributed relative to the central line of the cross beam (3), an upper die base (5) is fixedly connected to the bottom of the hydraulic oil cylinder (4), an upper die body (6) is fixedly connected to the bottom of the upper die base (5), a lower die body (7) is arranged below the upper die body (6), a lower die base (8) is fixedly connected to the bottom of the lower die body (7), the bottom of the lower die base (8) is fixedly connected with the bottom plate (1), a first communicating pipe is fixedly connected to one side of the lower die body (7), a high-speed centrifugal pump (9) is fixedly connected to the tail end of the first communicating pipe, and a cooling box (10) is fixedly connected to the bottom of the high-speed centrifugal pump (9), one side of the cooling box (10) is fixedly connected with a second communicating pipe, and the tail end of the second communicating pipe is fixedly connected with the side wall of the lower die body (7).

2. The cooling system of an injection mold of claim 1, wherein: go up mould seat (5) top center department fixedly connected with high strength bellows (11), high strength bellows (11) top fixedly connected with feed pipe.

3. The cooling system of an injection mold of claim 1, wherein: a guide groove (12) is formed in the bottom of the upper die body (6), first sealing gaskets are arranged on two sides of the guide groove (12), a guide column (13) is fixedly connected to the top of the lower die body (7), and second sealing gaskets are arranged on two sides of the guide column (13).

4. The cooling system of an injection mold of claim 1, wherein: go up mould body (6) inside and be equipped with sprue (14), sprue (14) bottom fixedly connected with inferior runner (15), the quantity of inferior runner (15) is five, the terminal fixedly connected with shower nozzle of inferior runner (15).

5. The cooling system of an injection mold of claim 1, wherein: the interior cavity formula structure that is of bed die body (7), bed die body (7) inside packing has the coolant liquid, the inside fixedly connected with heat-conducting plate (16) of bed die body (7), the quantity of heat-conducting plate (16) is a plurality of.

6. The cooling system of an injection mold of claim 1, wherein: the inside fixedly connected with compressor (17) of cooler bin (10), pipeline and high-speed centrifugal pump (9) fixed connection are passed through at compressor (17) top, compressor (17) one side is equipped with refrigeration chamber (18), the inside fixedly connected with heat exchanger (19) in refrigeration chamber (18), compressor (17) one side and heat exchanger (19) pass through pipeline fixed connection, compressor (17) one side and second communicating pipe fixed connection are kept away from in heat exchanger (19).