CN211683271U

CN211683271U - Novel injection mold

Info

Publication number: CN211683271U
Application number: CN202020147671.1U
Authority: CN
Inventors: 林泽胜
Original assignee: Guangzhou Penglai Technology Co ltd
Current assignee: Guangzhou Penglai Technology Co ltd
Priority date: 2020-01-28
Filing date: 2020-01-28
Publication date: 2020-10-16
Anticipated expiration: 2030-01-28

Abstract

The utility model discloses a novel injection mold relates to the injection mold field, including movable mould and cover half, form the die cavity between movable mould and the cover half, the inside of movable mould is provided with the cavity, the inside activity of cavity is provided with the push pedal, one side of movable mould is provided with the activity and runs through the push-and-pull rod inside and be connected with the push pedal to the cavity, one side that the push pedal was kept away from to the push-and-pull rod is connected with the handle, one side that the push-and-pull rod was kept away from to the push pedal is connected with the stripper rod that the activity. The utility model discloses a set up the film in the sprue bush, the film is by the even six equal divisions that divide into, when the head of moulding plastics stretches into the sprue, the first extrusion film of moulding plastics, the film atress opens, accomplish at the pouring and take out the first back of moulding plastics, the film is closed because of the characteristic of its elasticity resets, has prevented that external dust from getting into runner and sprue bush and position circle threaded connection through the sprue gate, is convenient for to the clearance of sprue bush.

Description

Novel injection mold

Technical Field

The utility model relates to an injection mould field specifically is a novel injection mold.

Background

The injection molding method has the advantages of high production speed, high efficiency, automation operation, various colors, shapes from simple to complex, sizes from large to small, precise product size, easy product replacement, capability of forming products with complex shapes, and suitability for the molding processing fields of mass production, products with complex shapes and the like.

The existing injection mold push rod needs spring reset, and the spring can generate fatigue under a large amount of processing, so that the push rod is not completely reset, and external dust easily enters an injection molding runner through a pouring gate after the mold is poured, so that the mold is polluted.

Disclosure of Invention

The utility model aims to provide a: the spring resets in order to solve the needs of current injection mold push rod, and the spring can produce fatigue under a large amount of processing to make the push rod reset incompletely, the mould gets into the runner of moulding plastics through runner department easily at external dust after the pouring is accomplished, pollutes the problem of mould, provides a novel injection mold.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel injection mold, includes movable mould and cover half, form the die cavity between movable mould and the cover half, the inside of movable mould is provided with the cavity, the inside activity of cavity is provided with the push pedal, one side of movable mould is provided with the activity and runs through the push-and-pull rod inside and be connected with the handle to the cavity, one side that the push-and-pull rod was kept away from to the push pull rod is connected with the activity and runs through the demoulding rod to die cavity department, one side that the movable mould was kept away from to the cover half is provided with the position circle, the inside threaded connection of position circle has the sprue bush, the inside of sprue bush is provided with the film, and the film is cut apart into six equal portions evenly, the inside of cover half is provided with the sprue corresponding with the position circle, inside the cover half is located and.

Preferably, a positioning rod is arranged in the movable die and above the cavity.

Preferably, a guide pillar is arranged at the bottom end of one side, close to the fixed die, of the movable die, and a guide sleeve matched with the guide pillar is arranged inside the fixed die.

Preferably, the number of the branch channels is two, and the two groups of the branch channels are symmetrically arranged around the main channel.

Preferably, the number of the ejector rods is four.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model changes the traditional structure that the demoulding rod is reset by a spring by connecting the push-pull rod movably penetrating to the outside of the movable mould at one side of the push plate, and realizes the ejection and reset of the demoulding rod directly by the push-pull rod, thereby preventing incomplete reset of the demoulding rod; through set up the film in the sprue bush, the film is by even six equal divisions of being divided into, when the head of moulding plastics stretches into the sprue, the head of moulding plastics extrudes the film, and the film atress opens, accomplishes to take out at the pouring and moulds plastics first back, and the film resets closedly because of the characteristic of its elasticity, has prevented that external dust from getting into the runner through the sprue gate and sprue bush and position circle threaded connection, is convenient for to the clearance of sprue bush.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the main runner liner of the present invention;

fig. 3 is a side view of the main runner liner of the present invention.

In the figure: 1. moving the mold; 2. a push-pull rod; 3. a grip; 4. positioning a rod; 5. a stripper bar; 6. a cavity; 7. positioning rings; 8. a primary runner liner; 9. a film; 10. a main flow channel; 11. a guide sleeve; 12. a shunt channel; 13. a guide post; 14. pushing the plate; 15. fixing a mold; 16. a cavity.

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. 1-3, a novel injection mold comprises a movable mold 1 and a fixed mold 15, a cavity 6 is formed between the movable mold 1 and the fixed mold 15, a cavity 16 is arranged inside the movable mold 1, a push plate 14 is movably arranged inside the cavity 16, a push-pull rod 2 movably penetrating into the cavity 16 and connected with the push plate 14 is arranged on one side of the movable mold 1, a handle 3 is connected to one side of the push-pull rod 2 away from the push plate 14, a demoulding rod 5 movably penetrating into the cavity 6 is connected to one side of the push plate 14 away from the push-pull rod 2, a positioning ring 7 is arranged on one side of the fixed mold 15 away from the movable mold 1, a main runner lining 8 is in threaded connection with the inside of the positioning ring 7, a rubber sheet, the film 9 is evenly divided into six equal parts, a main channel 10 corresponding to the positioning ring 7 is arranged inside the fixed die 15, and a sub-channel 12 is arranged inside the fixed die 15 and positioned between the main channel 10 and the cavity 6.

The utility model discloses a connect the activity in push pedal 14 one side and run through to the outside push-and-pull rod 2 of movable mould 1, changed the traditional structure that makes demoulding rod 5 reset through the spring, directly realize demoulding rod 5 ejecting and reset through push-and-pull rod 2, prevented that demoulding rod 5's restoration is incomplete.

Please refer to fig. 1, the inside locating lever 4 that is located above the cavity 16 of the movable mold 1, the utility model discloses a set up locating lever 4, the mould has the guide effect at the die parting compound die in-process.

Please refer to fig. 1, the bottom of the movable mold 1 near one side of the fixed mold 15 is provided with a guide pillar 13, the inside of the fixed mold 15 is provided with a guide sleeve 11 cooperating with the guide pillar 13, the utility model discloses a set up the guide pillar 13 and the guide sleeve 11 to make the fixed mold and the movable mold play a role in positioning.

Please refer to fig. 1, the number of the sub-runners 12 is two, and the two component runners 12 are symmetrically disposed about the main runner 10, the present invention provides the two component runners 12, so that the plastic in the main runner 10 can uniformly enter the cavity 6 through the two component runners 12.

Please refer to fig. 1, the number of the demoulding rods 5 is four groups, the four groups of demoulding rods 5 are provided in the present invention, so that the workpiece demoulding effect is more ideal.

The working principle is as follows: when the injection molding device is used, the movable mold 1 is closed with the fixed mold 15 under the action of external force to form a cavity 6, the injection molding head stretches into a pouring gate for injection molding, the rubber sheet 9 is stressed to be opened in the process of stretching into the pouring gate, plastic enters the cavity through the main runner 10 and the sub-runners 12, after injection molding is completed, the injection molding head is taken out, the rubber sheet 9 is reset and closed due to the elastic property, external dust is prevented from entering a runner through a pouring gate sleeve, after the plastic is solidified and molded in the cavity 6, the movable mold 1 is separated from the fixed mold 15 under the action of external force, the push-pull rod 2 is pushed through the handle 3, the push-pull rod 2 pushes the demolding rod 5 through the push plate 14 to eject a workpiece, demolding is achieved, and after demolding is completed.

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.

Claims

1. The utility model provides a novel injection mold, includes movable mould (1) and cover half (15), its characterized in that: a cavity (6) is formed between the movable mold (1) and the fixed mold (15), a cavity (16) is arranged inside the movable mold (1), a push plate (14) is movably arranged inside the cavity (16), a push-pull rod (2) which movably penetrates into the cavity (16) and is connected with the push plate (14) is arranged on one side of the movable mold (1), a handle (3) is connected to one side, away from the push plate (14), of the push-pull rod (2), a demolding rod (5) which movably penetrates into the cavity (6) is connected to one side, away from the push plate (14), of the push plate (14), a positioning ring (7) is arranged on one side, away from the movable mold (1), of the fixed mold (15), a main flow passage lining (8) is connected to the inner threads of the positioning ring (7), a film (9) is arranged inside the main flow passage lining (8), and the film (9) is uniformly divided into six, the inside of cover half (15) is provided with sprue (10) corresponding with position circle (7), cover half (15) inside is located and is provided with subchannel (12) between sprue (10) and die cavity (6).

2. A novel injection mold according to claim 1, characterized in that: and a positioning rod (4) is arranged above the cavity (16) in the movable die (1).

3. A novel injection mold according to claim 1, characterized in that: the bottom end of one side, close to the fixed die (15), of the movable die (1) is provided with a guide pillar (13), and a guide sleeve (11) matched with the guide pillar (13) is arranged inside the fixed die (15).

4. A novel injection mold according to claim 1, characterized in that: the number of the branch runners (12) is two, and the two branch runners (12) are symmetrically arranged relative to the main runner (10).

5. A novel injection mold according to claim 1, characterized in that: the number of the demoulding rods (5) is four.