CN224158767U

CN224158767U - An easy-to-demold injection mold

Info

Publication number: CN224158767U
Application number: CN202520925649.8U
Authority: CN
Inventors: 黄宣挺
Original assignee: Kunshan Aogxin Precision Mold Co ltd
Current assignee: Kunshan Aogxin Precision Mold Co ltd
Priority date: 2025-05-12
Filing date: 2025-05-12
Publication date: 2026-04-24
Anticipated expiration: 2035-05-12

Abstract

This utility model discloses an easy-to-demold injection mold, belonging to the field of injection molds. A support platform is fixedly connected to the lower end of the injection box. An ejection assembly is installed inside the injection box, including a lower mold. An ejection bladder is fixedly connected to the inner bottom of the lower mold, and a liquid inlet hose is fixedly connected to the upper top of the ejection bladder. A lifting slide plate is fixedly connected to the side wall of the lower mold. This utility model facilitates the removal of the mold by the operator, improving the quality of injection molding. Through the cooperation of the ejection bladder, liquid inlet hose, lifting slide plate, and vacuum tube, after the lower mold is lifted by the ejector mold, the volume of liquid in the vacuum tube is changed by the sliding lifting slide plate. The liquid flows through the liquid inlet hose to the ejection bladder, ejecting the mold from the lower mold a second time. The ejected mold provides a retrieval point for the operator, avoiding damage to the mold during removal and improving demolding efficiency.

Description

Injection mold easy to demould

Technical Field

The utility model relates to the technical field of injection molds, in particular to an easily-demoulded injection mold.

Background

The injection mold is a tool for manufacturing plastic products, and the plastic products with specific shapes and sizes are formed by injecting molten plastic into a mold cavity and cooling and solidifying the molten plastic, so that the plastic products with high dimensional accuracy and good repeatability can be manufactured, and the stable product quality is ensured.

Through searching, chinese patent application discloses an injection mold (publication No. CN 220841218U) easy to demould, wherein an upper mold is placed above a lower mold, a plurality of mold cavities are formed in the lower mold and the upper mold, an inserting mechanism is arranged between the lower mold and the upper mold, a support is arranged below the lower mold, support plates are fixed between two sides above the support and the bottom of the lower mold, a lower plate is arranged above the support, and sliding mechanisms are arranged between two sides of the lower plate and the two support plates. According to the injection mold, the heated and melted plastic is poured into the mold cavity for cooling molding, and when the forming mold in the mold cavity needs to be taken out from the mold cavity, the upper mold is only required to be taken down from the upper side of the lower mold, and the lower plate can be driven to move through the adjusting mechanism.

Above-mentioned though through adjustment mechanism's setting, through the mutually supporting of each spare part for the mould that finishes moulding plastics is pushed out by adjustment mechanism's operation, improves the efficiency of demolding, but because the size of mould is different, still needs operating personnel to take out manually after ejecting, and less lighter mould is easier because there is not suitable point of taking, and receives the damage at operating personnel's in-process of taking out, very is unfavorable for improving the quality of moulding plastics of mould.

Therefore, the utility model provides an easy-to-release injection mold to solve the problems.

Disclosure of utility model

The utility model provides an easily-demoulded injection mold, which aims to solve the problems in the background technology.

In order to achieve the aim, the utility model provides the technical scheme that the injection mold easy to demould comprises an injection molding box, wherein the lower bottom end of the injection molding box is fixedly connected with a supporting table, and an ejection assembly is arranged in the injection molding box;

The ejection assembly comprises a lower die, an ejection bag belt is fixedly connected to the inner bottom end of the lower die, a liquid inlet hose is fixedly connected to the upper top end of the ejection bag belt, an ejection slide plate is fixedly connected to the side wall of the lower die, a vacuum tube is fixedly connected to the inner wall of the injection molding box, the ejection slide plate is located in the vacuum tube and slides, the end part of the liquid inlet hose is fixedly connected with the upper top end of the vacuum tube, and an ejection assembly is arranged at the lower bottom end of the injection molding box.

As a preferable technical scheme of the application, the jacking component comprises a driving motor fixedly connected to the outer wall of the injection molding box, a bidirectional screw rod is fixedly sleeved at the output end of the driving motor, and a swivel seat is fixedly connected to the inner wall of the injection molding box corresponding to the bidirectional screw rod.

As a preferable technical scheme of the application, the jacking assembly further comprises a displacement seat which is in threaded sleeve connection with the outer wall of the bidirectional screw rod, the upper top end of the displacement seat is rotationally connected with a synchronizing rod, the end part of the synchronizing rod is rotationally connected with a jacking table through a rotating shaft, the jacking table is fixedly connected with the lower bottom end of the lower die, and a limiting assembly is arranged in the injection molding box.

As a preferable technical scheme of the application, the limiting component comprises a sliding table fixedly connected to the inner wall of the injection molding box, a sliding block is fixedly connected to the outer wall of the lower die corresponding to the sliding table, the sliding block slides in the sliding table, and a cooling component is arranged at the lower bottom end of the injection molding box.

As a preferable technical scheme of the application, the cooling assembly comprises a cooling box fixedly connected to the lower bottom end of the injection molding box, and a circulating pump is fixedly connected to the inside of the cooling box.

As a preferable technical scheme of the application, the cooling assembly further comprises a cooling pipe fixedly connected to the bottom end in the injection molding box, one end of the cooling pipe is fixedly connected with the output end of the circulating pump through a circulating pipe, and the other end of the cooling pipe is fixedly connected with the outer wall of the cooling box.

As an optimal technical scheme of the application, the outer wall of the injection molding box is fixedly connected with a mounting seat, a hydraulic cylinder is arranged in the mounting seat, and the output end of the hydraulic cylinder is fixedly sleeved with an upper die.

As a preferable technical scheme of the application, the inside of the upper die is in sliding connection with the upper top end of the injection molding box through a limiting rod, and the upper top end of the upper die is fixedly connected with an injection molding opening.

Compared with the prior art, the injection molding device has the beneficial effects that through the arrangement of the ejection assembly, the mold can be conveniently taken out by operators through the mutual matching of all parts, the injection molding quality is improved, after the lower mold is lifted by the ejection mold, the volume of liquid in the vacuum tube can be changed by the sliding ejection slide plate through the mutual matching of the ejection bag belt, the liquid flows to the ejection bag belt through the liquid inlet hose, the mold in the lower mold is secondarily ejected, the taking point is provided for the operators through the ejected mold, the damage to the mold in the process of taking out is avoided, and the mold stripping efficiency is improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the structure of the ejector strip of the present utility model;

FIG. 3 is a schematic view of a bi-directional screw of the present utility model;

FIG. 4 is a schematic diagram of a synchronous lever according to the present utility model;

Fig. 5 is a schematic structural view of an upper die of the present utility model.

The device comprises a plastic injection box 1, a lower die 2, a top-out bag belt 3, a liquid inlet hose 4, a top-lifting slide plate 5, a vacuum tube 6, a driving motor 7, a bi-directional screw rod 8, a displacement seat 9, a displacement seat 10, a synchronous rod 11, a rotating shaft 12, a lifting table 13, a sliding table 14, a sliding block 15, a cooling box 16, a circulating pump 17, a cooling pipe 18, a circulating pipe 19, a mounting seat 20, a hydraulic cylinder 21, an upper die 22 and a limiting rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 to 5, an easy-to-demould injection mold comprises an injection molding box 1, wherein the lower bottom end of the injection molding box 1 is fixedly connected with a supporting table, and an ejection assembly is arranged in the injection molding box 1;

The ejecting subassembly includes lower mould 2, and the inner bottom fixedly connected with of lower mould 2 is ejecting bag area 3, and the last top fixedly connected with feed liquor hose 4 of ejecting bag area 3, the lateral wall fixedly connected with jacking slide 5 of lower mould 2, the inner wall fixedly connected with vacuum tube 6 of moulding plastics case 1, and jacking slide 5 is located the inside slip of vacuum tube 6, and the tip of feed liquor hose 4 is with the last top fixed connection of vacuum tube 6, and the lower bottom of moulding plastics case 1 is provided with the jacking subassembly.

The jacking assembly comprises a driving motor 7 fixedly connected to the outer wall of the injection molding box 1, a bidirectional screw rod 8 is fixedly sleeved at the output end of the driving motor 7, and a swivel mount is fixedly connected to the inner wall of the injection molding box 1 corresponding to the bidirectional screw rod 8.

The jacking assembly further comprises a displacement seat 9 which is in threaded sleeve connection with the outer wall of the bidirectional screw rod 8, the upper top end of the displacement seat 9 is rotationally connected with a synchronizing rod 10, the end part of the synchronizing rod 10 is rotationally connected with a jacking table 12 through a rotating shaft 11, the jacking table 12 is fixedly connected with the lower bottom end of the lower die 2, and a limiting assembly is arranged in the injection molding box 1.

The limiting component comprises a sliding table 13 fixedly connected to the inner wall of the injection molding box 1, a sliding block 14 is fixedly connected to the outer wall of the lower die 2 corresponding to the sliding table 13, the sliding block 14 is located in the sliding table 13 and slides, and a cooling component is arranged at the lower bottom end of the injection molding box 1.

Specifically, the brace table through the bottom under the case 1 of moulding plastics can provide sufficient support for it, provide stability for its injection molding in-process, through the setting of ejecting subassembly, can be through the mutually supporting of each spare part, after jacking subassembly jacking finishes, carry out the secondary through ejecting subassembly and push out, be convenient for operating personnel take the mould, avoid appearing not taking the point and cause the mould to receive the damage, lower mould 2 is by the jacking back, its side wall connection's jacking slide 5 will slide in vacuum tube 6 inside, and then extrude the inside liquid of vacuum tube 6 and follow the ejecting bag area 3 of feed liquor hose 4 flow direction, the deformation through the bag area carries out ejection once more with the mould, the lifting through the mould can be convenient for the mould lateral wall is outstanding, and then be convenient for the operating personnel take, after the injection molding finishes, through starting driving motor 7, make the bi-directional lead screw 8 that its output cup jointed rotate, and then drive bi-directional lead screw 8 outer wall's displacement seat 9 carry out the opposite direction motion, and then drive synchronizing bar 10 at the inside rotation of displacement seat 9, two synchronizing bars 10 will drive jacking platform 12 constantly jack-up lower mould 2 through pivot 11 simultaneously, and then be convenient for supporting the mould and take out slider and 13, can be improved in the stability of the injection molding box 1 through setting up through the slip table, the improvement of the practical stability of the injection molding box 1, the improvement of the injection molding quality is achieved simultaneously.

The cooling assembly comprises a cooling box 15 fixedly connected to the lower bottom end of the injection molding box 1, and a circulating pump 16 is fixedly connected to the inside of the cooling box 15.

The cooling assembly further comprises a cooling pipe 17 fixedly connected to the bottom end in the injection molding box 1, one end of the cooling pipe 17 is fixedly connected with the output end of the circulating pump 16 through a circulating pipe 18, and the other end of the cooling pipe 17 is fixedly connected with the outer wall of the cooling box 15.

The outer wall fixedly connected with mount pad 19 of moulding plastics case 1, the internally mounted of mount pad 19 has pneumatic cylinder 20, and the fixed cover of output of pneumatic cylinder 20 has gone up mould 21.

The inside of the upper die 21 is in sliding connection with the upper top end of the injection molding box 1 through a limiting rod 22, and the upper top end of the upper die 21 is fixedly connected with an injection molding opening.

Specifically, through cooling module's setting, can provide the cooling through the circulating water for moulding plastics, improve mould refrigerated speed, circulate cooling water from cooling tube 17 inside through circulating pump 16, provide the cooling for the mould, through the cooperation of mount pad 19 and pneumatic cylinder 20, can drive mould 21 through pneumatic cylinder 20 and move, be convenient for carry out the process of moulding plastics.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. An easy-to-demold injection mold, comprising an injection box (1), characterized in that: a support platform is fixedly connected to the bottom end of the injection box (1), and an ejection assembly is provided inside the injection box (1);

The ejection assembly includes a lower mold (2), an ejection bladder (3) is fixedly connected to the inner bottom end of the lower mold (2), an inlet hose (4) is fixedly connected to the upper top end of the ejection bladder (3), a lifting slide plate (5) is fixedly connected to the side wall of the lower mold (2), a vacuum tube (6) is fixedly connected to the inner wall of the injection box (1), and the lifting slide plate (5) slides inside the vacuum tube (6). The end of the inlet hose (4) is fixedly connected to the upper top end of the vacuum tube (6), and a lifting assembly is provided at the lower bottom end of the injection box (1).

2. The easy-to-demold injection mold according to claim 1, characterized in that: the lifting assembly includes a drive motor (7) fixedly connected to the outer wall of the injection box (1), the output end of the drive motor (7) is fixedly sleeved with a bidirectional lead screw (8), and the inner wall of the injection box (1) is fixedly connected with a rotating seat corresponding to the bidirectional lead screw (8).

3. The easy-to-demold injection mold according to claim 2, characterized in that: the lifting assembly further includes a displacement seat (9) threaded onto the outer wall of the bidirectional lead screw (8), the upper top of the displacement seat (9) is rotatably connected to a synchronizing rod (10), the end of the synchronizing rod (10) is rotatably connected to a lifting platform (12) via a rotating shaft (11), the lifting platform (12) is fixedly connected to the lower bottom end of the lower mold (2), and a limit assembly is provided inside the injection box (1).

4. The easy-to-demold injection mold according to claim 3, characterized in that: the limiting component includes a slide (13) fixedly connected to the inner wall of the injection box (1), a slider (14) is fixedly connected to the outer wall of the lower mold (2) at the location corresponding to the slide (13), and the slider (14) slides inside the slide (13), and a cooling component is provided at the bottom end of the injection box (1).

5. The easy-to-demold injection mold according to claim 4, characterized in that: the cooling assembly includes a cooling box (15) fixedly connected to the bottom end of the injection box (1), and a circulating pump (16) is fixedly connected inside the cooling box (15).

6. The easy-to-demold injection mold according to claim 5, characterized in that: the cooling assembly further includes a cooling pipe (17) fixedly connected to the bottom of the injection box (1), one end of the cooling pipe (17) is fixedly connected to the output end of the circulation pump (16) through a circulation pipe (18), and the other end of the cooling pipe (17) is fixedly connected to the outer wall of the cooling box (15).

7. The easy-to-demold injection mold according to claim 1, characterized in that: the outer wall of the injection box (1) is fixedly connected to the mounting base (19), the interior of the mounting base (19) is equipped with a hydraulic cylinder (20), and the output end of the hydraulic cylinder (20) is fixedly sleeved with the upper mold (21).

8. An easy-to-demold injection mold according to claim 7, characterized in that: the interior of the upper mold (21) is slidably connected to the top end of the injection box (1) through a limiting rod (22), and the top end of the upper mold (21) is fixedly connected to an injection port.