CN215512152U

CN215512152U - Rapid cooling mould

Info

Publication number: CN215512152U
Application number: CN202120591347.3U
Authority: CN
Inventors: 李贵荣
Original assignee: Guangzhou Zhanghua Plastic Packaging Container Co ltd
Current assignee: Guangdong Fengyun Plastic Products Co.,Ltd.
Priority date: 2021-03-23
Filing date: 2021-03-23
Publication date: 2022-01-14
Anticipated expiration: 2031-03-23

Abstract

The utility model relates to a rapid cooling die which comprises a copper upper die and a copper lower die, wherein an inwards concave die cavity is formed in one side, opposite to the copper upper die, of the copper lower die, a plurality of runners are arranged inside the copper upper die and the copper lower die, two ends of the runners are respectively connected with pipeline joints, the pipeline joints are respectively and fixedly connected to two sides of the copper upper die and the copper lower die, and an injection port is formed in one side, far away from the copper upper die, of the copper lower die. According to the utility model, the mold is made of copper with better heat conductivity than the traditional alloy material, and then the whole injection mold is cooled by matching with a plurality of cooling water flow passages, so that the temperature of all products in the mold is reduced, the cooling is accelerated, and compared with the traditional mode of cooling each mold cavity independently, the whole volume of the mold is greatly reduced, and the mechanical cost is reduced.

Description

Rapid cooling mould

Technical Field

The utility model relates to the technical field of plastic injection molds, in particular to a rapid cooling mold.

Background

In the production process of the injection mold, the raw materials are injected into the mold cavity from the injection molding holes, and the periphery of the mold cavity is cooled by matching with the heat dissipation structure, so that the cooling molding of the mold is accelerated. And current heat radiation structure is mostly water-cooling structure, need set up water runner around each die cavity, and an injection mold is provided with a plurality of die cavities usually, this just leads to needing bigger interval between each die cavity, so injection mold among the prior art is very big, and bigger mould needs the large-scale injection molding machine of collocation, leads to or reduces the die cavity quantity of every mould, or purchases bigger injection molding machine, great improvement manufacturing cost.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model provides a rapid cooling die, wherein the die is made of copper with better heat conductivity than the traditional alloy material, and then the entire injection die is cooled by matching with a plurality of cooling water flow passages, so that the temperature of all products in the die is reduced, the cooling is accelerated, and compared with the traditional mode of cooling each die cavity independently, the rapid cooling die greatly reduces the whole volume of the die and reduces the cost.

In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a rapid cooling mould, includes mould and copper lower mould in the copper, the die cavity of indent is seted up to mould and copper lower mould relative one side in the copper, mould and copper lower mould inside are equipped with a plurality of runners, and are a plurality of in the copper the runner both ends are connected with the pipeline respectively and connect, the pipeline connect respectively fixed connection in the both sides of mould and copper lower mould in the copper, the copper lower mould is kept away from one side of mould is provided with the mouth of moulding plastics in the copper.

Preferably, there are a plurality of said mold cavities, wherein four of said mold cavities form a mold cavity group, and a plurality of said mold cavity groups are distributed in an array.

Preferably, the middle part of the die cavity group is provided with a blanking hole.

Preferably, a first connecting groove is arranged between the die cavity in the die cavity group and the blanking hole.

Preferably, a second connecting groove is arranged between two adjacent die cavity groups.

Preferably, the copper upper die and the copper lower die are respectively provided with a connecting hole at corresponding positions around the copper upper die and the copper lower die, a convex shoulder bolt penetrates through the connecting hole, and one end of the convex shoulder bolt is connected with a nut.

Preferably, a buffer spring is sleeved in the shoulder bolt.

Preferably, a plurality of guide holes are formed in the positions, corresponding to the copper upper die and the copper lower die, of the copper upper die, and guide columns penetrate through the guide holes.

The utility model has the beneficial effects that: according to the utility model, the mold is made of copper with better heat conductivity than the traditional alloy material, and then the whole injection mold is cooled by matching with a plurality of cooling water flow passages, so that the temperature of all products in the mold is reduced, the cooling is accelerated, and compared with the traditional mode of cooling each mold cavity independently, the whole volume of the mold is greatly reduced, and the mechanical cost is reduced.

Drawings

FIG. 1 is a schematic view of a copper upper mold of the present invention;

fig. 2 is a schematic view of the rapid cooling mold of the present invention.

Shown in the figure: 11-copper upper die; 12-copper lower die; 2-a pipe interface; 3-a mold cavity; 31-a first connecting groove; 32-a second connecting groove; 4-a blanking hole; 5-connecting holes; 51-shoulder bolts; 52-a nut; 53-a buffer spring; 6-a guide hole; 61-guide post.

Detailed Description

As shown in fig. 1-2, a rapid cooling mold provided in an embodiment of the present invention includes a copper upper mold 11 and a copper lower mold 12, a mold cavity 3 is opened at a corresponding position on one side of the copper upper mold 11 opposite to the copper lower mold 12, the copper upper mold 11 and the copper lower mold 12 are closed during injection molding, and then injection molding is performed through an injection molding machine via an injection port, and a hot-melt plastic is cooled and molded in the mold cavity 3 to form a plastic product; mould 11 and copper lower mould 12 inside are provided with a plurality of runners on the copper, wherein a plurality of runners distribute in mould 11 and copper lower mould 12 on whole copper, the runner only need pay attention to avoid moulding plastics mouthful equipotential can, the runner both ends run through mould 11 or copper lower mould 12 both sides on the copper, and at runner both ends respectively fixedly connected with pipeline interface 2, pipeline interface 2 through both sides connects the water pipe, let in cold water through the water pipe, make cold water get into the runner and wholly cool down the mould, thereby cool off the product of all die cavities 3 in the mould, need not to be alone for each die cavity 3 to be equipped with cooling structure, great reduction the holistic volume of mould, reduce mechanical cost.

Furthermore, there are a plurality of the mold cavities 3, wherein four of the mold cavities form a mold cavity group, and the plurality of mold cavity groups are distributed in an array manner. The surfaces of the copper upper die 11 and the copper lower die 12 are provided with a plurality of die cavities 3 distributed in a rectangular array manner, wherein four die cavities 3 form a die cavity group, in the embodiment, six die cavity groups are arranged in two rows, and each row has three die cavity groups. The distribution can fully utilize the space of the die and improve the yield.

Furthermore, the middle part of the die cavity group is provided with a blanking hole 4.

Wherein, a first connecting groove 31 is arranged between the die cavity 3 and the blanking hole 4 in the die cavity group.

In this embodiment, each die cavity group is provided with a blanking hole 4 at the middle position, the blanking hole 4 penetrates through the copper upper die 11, and each die cavity 3 in the die cavity group and a first connecting groove 31 is arranged between the blanking holes 4, when the injection molding is performed, the first connecting groove 31 and the blanking hole 4 are filled with plastic, products in each die cavity 3 are connected with each other after cooling, the blanking hole 4 is inserted through an ejection structure of the injection molding machine to eject the copper upper die 11 from the products, and the blanking is realized.

Further, a second connecting groove 32 is arranged between two adjacent mold cavity groups.

In this embodiment, connect through second connecting groove 32 between two sets of upper and lower adjacent die cavity groups, the hot melt plastics in the second connecting groove 32 links into an organic whole with upper and lower adjacent two sets of die cavity groups when moulding plastics, makes things convenient for whole unloading to when certain ejection mechanism goes out of the problem, still can be ejecting with the product in the die cavity group of same row.

Furthermore, connection holes 5 are respectively formed in corresponding positions around the copper upper die 11 and the copper lower die 12, shoulder bolts 51 penetrate through the connection holes 5, and nuts 52 are connected to one ends of the shoulder bolts 51.

In the present embodiment, the copper upper mold 11 and the copper lower mold 12 are provided with the connection holes 5 at four angular positions, the shoulder bolts 51 are inserted into the connection holes 5 and are locked by the nuts 52, so that the copper upper mold 11 and the copper lower mold 12 can be combined, and the copper upper mold 11 can be moved by the structure pushing inside the injection molding machine within the range of the shoulder bolts 51.

Further, a buffer spring 53 is sleeved in the shoulder bolt 51. The buffer spring 53 is used for buffering, so that the copper upper die 11 or the copper lower die 12 is prevented from being collided and damaged due to overlarge impact force.

Furthermore, a plurality of guide holes 6 are formed at positions corresponding to the copper upper die 11 and the copper lower die 12, and guide posts 61 penetrate through the guide holes 6. The movement of the copper upper die 11 and the copper lower die 12 is limited by the action of the guide posts 61, so that the deviation is avoided, and the product manufacturing is more perfect.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features. The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. The utility model provides a rapid cooling mould which characterized in that: mould and copper lower mould on the copper, the die cavity of indent is seted up to mould and copper lower mould relative one side on the copper, mould and copper lower mould inside are equipped with a plurality of runners, and are a plurality of on the copper the runner both ends are connected with the pipe joint respectively, the pipe joint respectively fixed connection in the both sides of mould and copper lower mould on the copper, the copper lower mould is kept away from one side of mould on the copper is provided with the mouth of moulding plastics.

2. A rapid cooling mold according to claim 1, wherein: the mold cavity is provided with a plurality of mold cavities, wherein four mold cavities form a mold cavity group, and the plurality of mold cavity groups are distributed in an array manner.

3. A rapid cooling mold according to claim 2, wherein: and a blanking hole is formed in the middle of the die cavity group.

4. A rapid cooling mold according to claim 3, wherein: and a first connecting groove is arranged between the die cavity in the die cavity group and the blanking hole.

5. A rapid cooling mold according to claim 2, wherein: and a second connecting groove is arranged between the two vertically adjacent die cavity groups.

6. A rapid cooling mold according to claim 1, wherein: connecting holes are formed in the positions, corresponding to the peripheries of the copper upper die and the copper lower die, of the copper upper die and the copper lower die respectively, convex shoulder bolts penetrate through the connecting holes, and nuts are connected to one ends of the convex shoulder bolts.

7. A rapid cooling mold according to claim 6, wherein: and a buffer spring is sleeved in the shoulder bolt.

8. A rapid cooling mold according to claim 1, wherein: a plurality of guiding holes are formed in the positions, corresponding to the copper upper die and the copper lower die, of the copper lower die, and guiding columns penetrate through the guiding holes.