CN112590131A

CN112590131A - Injection mold for insulating framework

Info

Publication number: CN112590131A
Application number: CN202011474571.0A
Authority: CN
Inventors: 孙强; 季剑鑫
Original assignee: Suzhou Zhenlong Technology Co ltd
Current assignee: Suzhou Wan'an Electronic Technology Co.,Ltd.
Priority date: 2020-12-14
Filing date: 2020-12-14
Publication date: 2021-04-02

Abstract

The invention relates to the technical field of injection molds, in particular to an injection mold for an insulating framework, which solves the defects in the prior art and comprises oppositely arranged mold feet, wherein the top of each mold foot is fixedly provided with a lower mold through a bolt, the top of the lower mold is connected with a guide pillar through a hexagon screw, the outer part of the guide pillar is slidably assembled with an upper mold, the upper mold is provided with a runner plate, the top of the runner plate is provided with a point type glue inlet, the inner part of the upper mold is sequentially provided with a main runner, a branch runner, an annular runner and a feeding runner which are communicated, the main runner is fixedly connected with the runner plate, and through the arrangement of the structures such as the main runner, the annular runner, the branch runner and the feeding runner, when materials are injected, the materials are injected into a cavity from the outer peripheral surface of a male mold core and are fed from multiple lateral directions, so that the impact force of the materials can be greatly reduced, the service life of the equipment is prolonged.

Description

Injection mold for insulating framework

Technical Field

The invention relates to the technical field of injection molds, in particular to an injection mold for an insulating framework.

Background

Injection molding is a method for producing and molding industrial products. The products are generally produced by rubber injection molding and plastic injection molding. The injection molding can be classified into injection molding and die casting. An injection molding machine (an injection machine or an injection molding machine for short) is a main molding device for making thermoplastic plastics or thermosetting materials into plastic products with various shapes by using a plastic molding die, and the injection molding is realized by the injection molding machine and the die.

The injection mold in the prior art has the following defects: firstly, the mould is injected from the top of the cavity when feeding, and the material can generate larger pressure after being injected, so that the inverted buckle part on the mould core is easy to be pressed, broken and damaged, and the service life is short; secondly, because the insulating framework is a disc-shaped workpiece with a hollow middle part, the product is easily damaged by directly ejecting the workpiece by the ejector pin, or the workpiece falls off in the ejection process; in addition, all adopt artifical manual material of getting in the market, there is the scald risk.

Disclosure of Invention

The invention aims to solve the defects in the prior art, and provides an injection mold for an insulating framework.

In order to achieve the purpose, the invention adopts the following technical scheme:

an injection mold for an insulating framework comprises mold feet which are arranged oppositely, wherein the tops of the mold feet are fixedly provided with lower molds through bolts, the tops of the lower molds are connected with guide pillars through hexagon screws, the outer parts of the guide pillars are assembled with upper molds in a sliding mode, the upper molds are provided with runner plates, the tops of the runner plates are provided with point type glue inlets, the interiors of the upper molds are sequentially provided with main runners, sub runners, annular runners and feeding runners which are communicated, the main runners are fixedly connected with the runner plates, the upper molds are provided with male molds, the feeding runners extend into the interiors of the male molds, and the joints of the feeding runners and the male molds are positioned on the outer peripheral surfaces of the male molds;

the inner part of the lower die is provided with a female die core, a plurality of back-off buttons are arranged on the female die core, a top plate is arranged between the two die feet in a sliding mode, a water tank is arranged at the bottom of the top plate, ejector pins which are symmetrically arranged are fixed to the top of the top plate through countersunk screws, and movable cooling inserts are fixed to the other ends of the ejector pins through screws.

Preferably, a side seat is fixed on one side of the lower die through screws, an air cylinder is fixedly mounted at the top of the side seat, a piston rod is arranged inside the air cylinder, a material taking plate is fixed at the end of the piston rod through a countersunk bolt, and a groove is formed in one side of the material taking plate.

Preferably, the water tank is fixedly connected with two circulating pipes through flanges, a cooling loop is arranged in the movable cooling insert, and the two circulating pipes are respectively and fixedly connected with an inlet and an outlet of the cooling loop.

Preferably, the number of the male die cores and the number of the female die cores are two, and the male die cores and the female die cores are arranged oppositely to form a cavity.

Preferably, the upper die is provided with mounting holes symmetrically arranged inside, guide sleeves are fixed inside the mounting holes through screws, and the guide posts are assembled inside the guide sleeves.

The invention has the beneficial effects that:

1. according to the invention, through the arrangement of the main runner, the annular runner, the sub-runners, the feeding runner and other structures, when materials are injected, the materials are injected into the cavity from the outer peripheral surface of the core insert, and are fed from multiple lateral directions, so that the impact force of the materials can be greatly reduced, the internal back-off is prevented from being broken under pressure, and the service life of the equipment is prolonged.

2. According to the invention, through the arrangement of the structures such as the air cylinder, the side seat, the material taking plate, the movable cooling insert and the like, the material taking plate is additionally arranged on one side of the mold, after the product is ejected out, the material taking plate can slide to the position below the product to receive the material, and the temperature can be reduced through the movable cooling insert in the product ejection process, so that scalding is avoided.

3. According to the invention, the movable cooling insert is arranged at the end part of the thimble, and the blocky movable cooling insert is arranged at the end part of the thimble, so that the product can be stably supported by the movable cooling insert, and the product is prevented from being damaged or falling.

Drawings

Fig. 1 is a front view of an injection mold for an insulating frame according to the present invention;

FIG. 2 is a partial side view of an injection mold for an insulating frame according to the present invention;

FIG. 3 is a schematic structural diagram of a flow channel according to the present invention;

fig. 4 is an enlarged view of the injection mold for the insulating frame according to the present invention at a reference mark a.

In the figure: the mold comprises a mold foot 1, a lower mold 2, a top plate 3, an ejector pin 4, a circulation pipe 5, a water tank 6, a guide pillar 7, an upper mold 8, a runner plate 9, a point-type glue inlet 10, a main runner 11, a side seat 12, a material taking plate 13, a male mold core 14, a cylinder 15, a groove 16, a branch runner 17, an annular runner 18, a feeding runner 19, a movable cooling insert 20, a cooling loop 21, a back-off 22 and a female mold core 23.

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.

Referring to fig. 1-4, an injection mold for an insulating framework comprises mold feet 1 which are arranged oppositely, wherein the top of each mold foot 1 is fixed with a lower mold 2 through a bolt, the top of each lower mold 2 is connected with a guide pillar 7 through a hexagon screw, an upper mold 8 is assembled outside the guide pillar 7 in a sliding manner, a runner plate 9 is arranged on the upper mold 8, a point-type glue inlet 10 is arranged at the top of the runner plate 9, a main runner 11, a sub-runner 17, an annular runner 18 and a feeding runner 19 which are communicated with each other are sequentially arranged inside the upper mold 8, the main runner 11 is fixedly connected with the runner plate 9, a male mold core 14 is arranged on the upper mold 8, the feeding runner 19 extends into the male mold core 14, and the joint of the feeding runner 19 and the male mold core 14 is positioned on; the inside of lower mould 2 is equipped with cavity benevolence 23, is equipped with a plurality of back-off 22 on the cavity benevolence 23, and slidable mounting has roof 3 between two mould feet 1, and the bottom of roof 3 is equipped with water tank 6, and the top of roof 3 is fixed with symmetrical arrangement's thimble 4 through the countersunk head screw, and the other end of thimble 4 is fixed with removal cooling mold insert 20 through the screw.

Wherein, through the arrangement of the structures of the main runner 11, the annular runner 18, the sub-runners 17, the feeding runner 19 and the like, when injecting materials, the materials are injected into the cavity from the peripheral surface of the core insert 14 and fed from a plurality of lateral directions, so that the impact force of the materials can be greatly reduced, thereby avoiding the internal reverse buckle 22 from being broken under pressure, prolonging the service life of the equipment, and through the arrangement of the structures such as the cylinder 15, the side seat 12, the material taking plate 13, the movable cooling insert 20 and the like, a material taking plate 13 is additionally arranged on one side of the mould, after the product is ejected out, the material taking plate 13 can slide to the lower part of the product to be connected, in addition, the temperature can be reduced by moving the cooling insert 20 in the product ejection process, scalding is avoided, and by arranging the moving cooling insert 20, a blocky movable cooling insert 20 is arranged at the end part of the thimble 4, and the movable cooling insert 20 can stably support the product, so that the product is prevented from being damaged or falling off.

A side seat 12 is fixed on one side of the lower die 2 through screws, a cylinder 15 is fixedly mounted at the top of the side seat 12, a piston rod is arranged inside the cylinder 15, a material taking plate 13 is fixed on the end portion of the piston rod through a countersunk bolt, a groove 16 is formed in one side of the material taking plate 13, two circulating pipes 5 are fixedly connected to the water tank 6 through flanges, a cooling loop 21 is formed inside the movable cooling insert 20, the two circulating pipes 5 are fixedly connected with an inlet and an outlet of the cooling loop 21 respectively, the number of the male die core 14 and the female die core 23 is two, the male die core 14 and the female die core 23 are arranged oppositely to form a cavity, symmetrically arranged mounting holes are formed in the upper die 8, a guide sleeve is fixed inside the mounting holes through screws, and the guide pillar 7 is.

In the embodiment, after the mold closing is completed, the injection molding machine injects the material into the mold from the point-type glue inlet 10, the material enters the sub-runners 17 through the two runner plates 9, and the material is injected into the cavity from the outer peripheral surface of the male mold core 14 after passing through the annular runner 18 and the feeding runner 19, and the material is fed from a plurality of side directions, so that the impact force of the material can be greatly reduced, the parts in the cavity can be protected, and the service life can be prolonged;

further, after injection molding is completed, the upper mold 8 slides upwards to reset and mold opening, the top plate 3 below drives the ejector pin 4 and the movable cooling inserts 20 to move upwards simultaneously under the pushing of the driving source, the two movable cooling inserts 20 are designed according to insulation framework profiling, the product can be stably supported, in the supporting process, a valve of the water tank 6 is opened, cooling water is led to the interior of the movable cooling inserts 20, so that the product is cooled, when the product is completely ejected under the supporting of the movable cooling inserts 20, a piston rod of the air cylinder 15 on one side extends out at the moment, the material taking plate 13 is pushed to move to the lower part of the product, then the top plate 3 moves downwards to reset, the movable cooling inserts 20 penetrates through the groove 16 to reset, the product is blocked by the material taking plate 13 and is left on the material taking plate 13, and the air cylinder 15 pulls the material taking plate 13 to move away from.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. An injection mold for an insulating framework comprises mold feet (1) which are oppositely arranged, it is characterized in that the top of the mould leg (1) is fixed with a lower mould (2) through a bolt, the top of the lower mould (2) is connected with a guide post (7) through a hexagon screw, an upper die (8) is assembled outside the guide post (7) in a sliding way, a runner plate (9) is arranged on the upper die (8), a point-type glue inlet (10) is arranged at the top of the runner plate (9), a main runner (11), a sub-runner (17), an annular runner (18) and a feeding runner (19) which are communicated with each other are sequentially arranged in the upper die (8), the main runner (11) is fixedly connected with the runner plate (9), the upper die (8) is provided with a male die core (14), the feeding flow passage (19) extends to the inner part of the core insert (14), and the connecting part of the feeding flow passage (19) and the core insert (14) is positioned on the peripheral surface of the core insert (14);

the inside of lower mould (2) is equipped with cavity benevolence (23), is equipped with a plurality of back-off (22) on cavity benevolence (23), and slidable mounting has roof (3) between two mould feet (1), and the bottom of roof (3) is equipped with water tank (6), and the top of roof (3) is fixed with symmetrical arrangement's thimble (4) through the countersunk screw, the other end of thimble (4) is fixed with through the screw and is removed cooling mold insert (20).

2. The injection mold for the insulation framework as claimed in claim 1, wherein a side seat (12) is fixed on one side of the lower mold (2) through screws, a cylinder (15) is fixedly installed at the top of the side seat (12), a piston rod is arranged inside the cylinder (15), a material taking plate (13) is fixed at the end of the piston rod through a countersunk bolt, and a groove (16) is formed in one side of the material taking plate (13).

3. The injection mold for the insulation framework as claimed in claim 1, wherein the water tank (6) is fixedly connected with two circulation pipes (5) through flanges, the interior of the movable cooling insert (20) is provided with a cooling loop (21), and the two circulation pipes (5) are respectively and fixedly connected with an inlet and an outlet of the cooling loop (21).

4. The injection mold for the insulation framework as recited in claim 1, wherein the number of the core inserts (14) and the number of the cavity inserts (23) are two, and the core inserts (14) and the cavity inserts (23) are arranged opposite to each other to form a cavity.

5. The injection mold for the insulation framework as recited in claim 1, wherein the upper mold (8) is provided with symmetrically arranged mounting holes, guide sleeves are fixed inside the mounting holes through screws, and the guide posts (7) are assembled inside the guide sleeves.