CN211221834U - A conformal cooling injection mold - Google Patents

Abstract

The utility model relates to a conformal cooling injection mould, which comprises a base, wherein a lower mould is fixedly arranged at the top of the base, an upper mould is arranged above the lower mould, a cooling channel is arranged at equal distance between the lower mould and an inner cavity of the upper mould, the two ends of the cooling channel are respectively communicated with a water inlet nozzle and a water outlet nozzle, the upper mould can be positioned by arranging a limiting hole and a limiting column, the positioning accuracy between the upper mould and the lower mould can be improved, a circulating water pump is arranged, the circulating water pump can make cooling liquid in a hose, a pipeline, a cooling channel, a water delivery pipe and an inner cavity of the heat exchange pipe circularly flow, the cooling efficiency of a plastic product can be improved, the forming efficiency of the plastic product can be further improved, the heat exchange pipe can be frozen by adding ice blocks in the inner cavity of a cooling box, the heat exchange efficiency of the heat exchange pipe can be improved, the contact area between, the cooling efficiency can be improved.

Description

A conformal cooling injection mold

technical field

The utility model relates to a conformal cooling injection mold, which belongs to the technical field of injection molds.

Background technique

Injection mold is a tool for producing plastic products, and it is also a tool for imparting complete structure and precise dimensions to plastic products. Injection molding is a processing method used in mass production of certain parts with complex shapes. The injection molding machine injects high pressure into the mold cavity, and the molded product is obtained after cooling and solidification. However, the existing injection mold has poor cooling effect and low molding efficiency, so further improvement is required.

Utility model content

The technical problem to be solved by the utility model overcomes the existing defects, and provides a conformal cooling injection mold, which can speed up the cooling of the injection-molded plastic products, and has high molding efficiency. The positioning of the mold can improve the positioning accuracy between the upper mold and the lower mold. By setting the circulating water pump, the circulating water pump can circulate the cooling liquid in the inner cavity of the hose, pipe, cooling channel, water pipe and heat exchange tube, which can improve the The cooling efficiency of plastic products can further improve the molding efficiency of plastic products. By adding ice cubes to the inner cavity of the cooling box, the heat exchange tubes can be frozen, which can improve the heat exchange efficiency of the heat exchange tubes. The contact area between the cooling channel and the cooling liquid can improve the cooling efficiency, and can effectively solve the problems in the background art.

In order to solve the above-mentioned technical problems, the utility model provides the following technical solutions:

A conformal cooling injection mold, comprising a base, a lower mold is fixed on the top of the base, an upper mold is arranged above the lower mold, and cooling channels are provided at equal distances between the lower mold and the inner cavity of the upper mold. The two ends of the channel are respectively provided with a water inlet nozzle and a water outlet nozzle, and the water inlet nozzle and the water outlet nozzle are fixedly arranged on both sides of the lower mold and the upper mold at equal distances. The end of the water outlet is connected with a second three-way pipeline through a hose, the end of the first three-way pipeline is connected with a circulating water pump through a pipeline, and the end of the second three-way pipeline is connected with a cooling water pump through a pipeline. The water inlet end of the circulating water pump is connected with a heat exchange pipe through a water pipe, the heat exchange pipe is fixedly arranged in the inner cavity of the cooling box, and the end of the heat exchange pipe away from the water pipe is connected with the second three-way pipe, The pipes connecting between the cooling boxes are connected through, and the inner cavity of the cooling box is provided with ice cubes.

Further, the top of the upper mold is provided with an injection port.

Further, limit holes are symmetrically arranged at the bottom of the upper mold, and limit posts are symmetrically fixed at the top of the lower mold.

Further, the inner cavity of the cooling channel is fixedly provided with heat exchange fins at equal distances.

Further, the top of the cooling box is provided with a through opening, and the through opening is provided with a cover plate.

Further, a drain port is provided on one side of the bottom of the cooling box, and a valve is provided on the drain port.

Further, the hose connected between the lower mold, the upper mold and the first three-way pipeline and the second three-way pipeline; the pipeline connected between the first three-way pipeline and the circulating water pump; the second three-way pipeline The pipe connecting the three-way pipe and the cooling box; the cooling channel, the water pipe and the inner cavity of the heat exchange pipe are all provided with cooling liquid.

Beneficial effects of the utility model: the conformal cooling injection mold involved in the utility model can speed up the cooling of the injection-molded plastic products, and has high molding efficiency, and the upper mold can be positioned by setting limit holes and limit posts , It can improve the positioning accuracy between the upper mold and the lower mold. By setting a circulating water pump, the circulating water pump can circulate the cooling liquid in the inner cavity of the hose, pipe, cooling channel, water pipe and heat exchange pipe, which can improve the quality of plastic products. The cooling efficiency can improve the molding efficiency of plastic products. By adding ice cubes in the inner cavity of the cooling box, the heat exchange tubes can be frozen, which can improve the heat exchange efficiency of the heat exchange tubes. The contact area of the coolant can improve the cooling efficiency.

Description of drawings

The accompanying drawings are used to provide a further understanding of the present invention, and constitute a part of the specification, and are used to explain the present invention together with the embodiments of the present invention, and do not constitute a limitation to the present invention.

Figure 1 is a front view of a conformal cooling injection mold of the present invention.

2 is a cross-sectional view of the lower mold and the upper mold of a conformal cooling injection mold of the present invention.

3 is a top view of the upper mold of a conformal cooling injection mold of the present invention.

4 is a cross-sectional view of a cooling box of a conformal cooling injection mold of the present invention.

Labels in the figure: 1, base; 2, lower mold; 3, upper mold; 4, cooling channel; 5, water inlet; 6, water outlet; 7, first tee pipe; 8, second tee pipe; 9. Circulating water pump; 10. Cooling box; 11. Water delivery pipe; 12. Heat exchange pipe; 13. Ice cubes; 14. Injection port; 15. Limiting hole; 16. Limiting column; 18, the port; 19, the drain.

Detailed ways

The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present utility model, but not to limit the present utility model.

Example 1:

As shown in FIGS. 1 to 4 , a conformal cooling injection mold includes a base 1, a lower mold 2 is fixed on the top of the base 1, an upper mold 3 is arranged above the lower mold 2, and the lower mold 2 A cooling channel 4 is provided equidistant from the inner cavity of the upper mold 3. The two ends of the cooling channel 4 are respectively provided with a water inlet nozzle 5 and a water outlet nozzle 6, and the water inlet nozzle 5 and the water outlet nozzle 6 are equidistantly arranged at the bottom. On both sides of the mold 2 and the upper mold 3, the end of the water inlet nozzle 5 is connected with a first three-way pipe 7 through a hose, and the end of the water outlet 6 is connected with a second three-way pipe 8 through a hose. The end of the first three-way pipeline 7 is connected with a circulating water pump 9 through a pipeline, the end of the second three-way pipeline 8 is connected with a cooling box 10 through a pipeline, and the water inlet end of the circulating water pump 9 is connected through a water pipe 11 with a water exchange. Heat pipe 12, the heat exchange pipe 12 is fixedly arranged in the inner cavity of the cooling box 10, and the end of the heat exchange pipe 12 away from the water delivery pipe 11 is connected with the pipe connecting the second three-way pipe 8 and the cooling box 10 through , the circulating water pump 9 can circulate the cooling liquid in the inner cavity of the hose, the pipe, the cooling channel 4, the water pipe 11 and the heat exchange pipe 12, which can improve the cooling efficiency of the plastic product, and then can improve the molding efficiency of the plastic product. The inner cavity of the cooling box 10 is provided with ice cubes 13 . By adding the ice cubes 13 to the inner cavity of the cooling box 10 , the heat exchange tubes 12 can be frozen, and the heat exchange efficiency of the heat exchange tubes 12 can be improved.

In this embodiment, the top of the upper mold 3 is provided with an injection port 14 to facilitate the addition of injection materials, and the cooling channel 4 is provided with heat exchange fins 17 equidistantly and fixedly. The contact area between the channel 4 and the cooling liquid can improve the cooling efficiency. The top of the cooling box 10 is provided with a port 18, and the port 18 is provided with a cover plate to facilitate adding ice cubes. The side is provided with a drain port 19, and the drain port 19 is provided with a valve, the hose connecting the lower mold 2, the upper mold 3 and the first three-way pipe 7 and the second three-way pipe 8; the The pipeline connecting the first three-way pipeline 7 and the circulating water pump 9; the pipeline connecting the second three-way pipeline 8 and the cooling box 10; the inner cavity of the cooling channel 4, the water pipe 11 and the heat exchange pipe 12 All have coolant.

Embodiment 2:

As shown in FIG. 1 , limit holes 15 are symmetrically arranged at the bottom of the upper mold 3 , and limit posts 16 are symmetrically fixed at the top of the lower mold 2 . Positioning can improve the positioning accuracy between the upper mold 3 and the lower mold 2 .

The working principle of the utility model: the limit hole 15 and the limit post 16 can position the upper mold 3, which can improve the positioning accuracy between the upper mold 3 and the lower mold 2, and the circulating water pump 9 can make the hoses, pipes, cooling The cooling liquid circulating in the inner cavity of the channel 4, the water pipe 11 and the heat exchange pipe 12 can improve the cooling efficiency of the plastic product, which in turn can improve the molding efficiency of the plastic product. The cooling of the heat pipes 12 can improve the heat exchange efficiency of the heat exchange pipes 12 , and the arrangement of the heat exchange fins 17 can increase the contact area between the cooling channel 4 and the cooling liquid, which can improve the cooling efficiency.

The above are the preferred embodiments of the present invention. Those skilled in the art can also make changes and modifications to the above-mentioned embodiments. Therefore, the present invention is not limited to the above-mentioned specific embodiments. Any obvious improvement, replacement or modification made on the basis of the present invention belongs to the protection scope of the present invention.

Claims (7)

1. A conformal cooling injection mold, comprising a base (1), characterized in that: a lower mold (2) is fixedly provided on the top of the base (1), and an upper mold (3) is provided above the lower mold (2). ), the inner cavity of the lower mold (2) and the upper mold (3) are provided with cooling channels (4) at equal distances, and the two ends of the cooling channel (4) are respectively provided with water inlet nozzles (5) and water outlet nozzles ( 6), and the water inlet nozzle (5) and the water outlet nozzle (6) are equidistantly arranged on both sides of the lower mold (2) and the upper mold (3), and the end of the water inlet nozzle (5) is connected by a hose There is a first three-way pipe (7), the end of the water outlet (6) is connected with a second three-way pipe (8) through a hose, and the end of the first three-way pipe (7) is connected with a circulation pipe through a pipe. A water pump (9), the end of the second three-way pipe (8) is connected with a cooling box (10) through a pipe, and the water inlet end of the circulating water pump (9) is connected with a heat exchange pipe (11) through a water delivery pipe (11). 12), the heat exchange pipe (12) is fixedly arranged in the inner cavity of the cooling box (10), and the end of the heat exchange pipe (12) away from the water delivery pipe (11) and the second three-way pipe (8), cooling The pipes connecting the boxes (10) are connected throughly, and ice cubes (13) are arranged in the inner cavity of the cooling box (10). 2 . The conformal cooling injection mold according to claim 1 , wherein an injection port ( 14 ) is provided on the top of the upper mold ( 3 ). 3 . 3. A conformal cooling injection mold according to claim 1, characterized in that: limit holes (15) are symmetrically arranged at the bottom of the upper mold (3), and limit holes (15) are symmetrically fixed at the top of the lower mold (2). bit post (16). 4 . The conformal cooling injection mold according to claim 1 , wherein heat exchange fins ( 17 ) are fixed at equal intervals in the inner cavity of the cooling channel ( 4 ). 5 . 5. A conformal cooling injection mold according to claim 1, characterized in that: a through opening (18) is arranged on the top of the cooling box (10), and a cover plate is arranged on the through opening (18). . 6. A conformal cooling injection mold according to claim 1, characterized in that: a drain port (19) is provided on one side of the bottom of the cooling box (10), and a drain port (19) is provided with a drain port (19). valve. 7. A conformal cooling injection mold according to claim 1, characterized in that: the lower mold (2), the upper mold (3) and the first three-way pipe (7) and the second three-way pipe ( 8) the hose connected between; the pipeline connected between the first three-way pipeline (7) and the circulating water pump (9); the connection between the second three-way pipeline (8) and the cooling box (10) The cooling channel (4), the water delivery pipe (11) and the heat exchange pipe (12) are all provided with cooling liquid.

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