CN212331698U

CN212331698U - Whiteboard tectorial membrane integrated into one piece injection mould

Info

Publication number: CN212331698U
Application number: CN202020859067.1U
Authority: CN
Inventors: 吴培服; 陆敬权; 王磊; 叶珈源
Original assignee: Jiangxi Kewei Film New Materials Co ltd
Current assignee: Jiangxi Kewei Film New Materials Co ltd
Priority date: 2020-05-21
Filing date: 2020-05-21
Publication date: 2021-01-12
Anticipated expiration: 2030-05-21

Abstract

The utility model relates to a technical field of moulding plastics discloses a blank tectorial membrane integrated into one piece injection mould, comprises an upper die, it has the lower mould to go up the mould downside, it all has seted up the chamber of moulding plastics to go up mould lower surface middle part and lower mould upper surface cavity, the intracavity of moulding plastics of going up the mould embeds there is the blank membrane, the pinhole has all been seted up to four edges and corners department of blank membrane, four groups run through spacing needle in the pinhole, spacing needle extends to the mould upside. The utility model discloses a be provided with spacing needle and movable rod, before the compound die was moulded plastics, correspond the card with the pinhole of whiteboard membrane and establish in the spacing needle outside to promote the laminating of the chamber roof of moulding plastics of whiteboard membrane and last mould, lay in order to guarantee the level and smooth of whiteboard membrane, when the compound die was moulded plastics, spacing needle was located whiteboard membrane downside, had certain anti viscous solution shock function, in order to prevent whiteboard membrane fold, was fit for extensively promoting and using.

Description

Whiteboard tectorial membrane integrated into one piece injection mould

Technical Field

The utility model relates to a technical field of moulding plastics specifically is a blank tectorial membrane integrated into one piece injection mould.

Background

At present, a film is coated on the surface of a plastic whiteboard, so that a user can write conveniently, and in the prior art, two methods are generally adopted for the film pasting treatment on the surface of the plastic whiteboard: 1. after the plastic white board is injected, the surface is directly coated with a film, and the defects are that a secondary process is needed, the cost is high, and the coated film is easy to wear; 2. when the white board is injection-molded, the film is directly placed in the mold to be integrally molded, so that the cost is saved, and the defect that the film is easy to impact and deviate by molten plastic during injection molding to influence the product quality is caused, so that the popularization of the method 2 is restricted.

By retrieval (application number: CN201821372099.8), it can be known that the injection mold for integrally molding the white board coated film comprises an upper mold and a lower mold, wherein a cavity is formed between the upper mold and the lower mold, the injection mold further comprises a pouring gate, and the pouring gate is communicated with the cavity through a pouring gate, and the injection mold is characterized in that: go up the mould and all be provided with the passageway of breathing in with the lower mould, the passageway of breathing in include with the negative pressure passageway of die cavity intercommunication each other, negative pressure passageway has one or have many of parallel arrangement each other, one of them the axial lead of negative pressure passageway with the axial lead of runner is crossing perpendicularly, the passageway of breathing in still includes the intercommunication negative pressure passageway and external passageway that switches on.

In implementing the present invention, the inventor finds that the following problems exist in the prior art and are not solved: the device adopts the negative pressure passageway mode of inlaying the needle of breathing in with whiteboard membrane absorption location, but the negative pressure passageway has a certain amount of openings, adsorbs to the whiteboard membrane, and whiteboard membrane absorption region has the fold face, until the blank membrane wrinkle situation scheduling problem appears.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a blank tectorial membrane integrated into one piece injection mould, through being provided with spacing needle and movable rod, before the compound die is moulded plastics, correspond the card with the pinhole of blank membrane and establish in the spacing needle outside to promote the laminating of the chamber roof of moulding plastics of blank membrane and last mould, lay in order to guarantee the level and smooth of blank membrane, when the compound die is moulded plastics, spacing needle is located the blank membrane downside, certain anti-adhesion solution shock function has, in order to prevent the blank membrane fold, the problem that provides among the background art has been solved.

In order to achieve the above object, the utility model provides a following technical scheme: an injection mould for integrally molding a white board coating comprises an upper mould;

the lower die is arranged on the lower side of the upper die, injection molding cavities are formed in the middle of the lower surface of the upper die and the upper surface of the lower die in a hollow mode, a white board film is arranged in each injection molding cavity of the upper die, needle holes are formed in four corners of the white board film, limiting needles penetrate through the four groups of needle holes and extend to the upper side of the upper die, a baffle is fixedly arranged at the top of each limiting needle, a movable rod is arranged in the middle of the upper surface of the upper die, the bottom end of each movable rod is rotatably connected with the upper die through a bearing, external threads are formed in the middle of the outer wall of each movable rod, and;

the utility model discloses an injection molding machine, including the movable rod, baffle, cardboard and last cardboard, the movable rod is close to the upper and lower both sides of baffle and is fixed respectively and be provided with cardboard and lower cardboard, cardboard and the laminating of baffle lower surface down, the upside that is close to the stopper in going up the mould is provided with inlet pipe and extends to the intracavity of moulding plastics.

As an optimal implementation mode of the utility model, it is provided with the stopper all to go up the mould lower surface left and right sides fixed, the lower mould is close to the stopper and sets up flutedly under.

As an embodiment of the present invention, the movable rod has a fixed swivel and a fixed anti-slip surface.

As an optimized implementation manner of the utility model, the appearance of spacing needle and the pinhole profile phase-match of whiteboard membrane, the horizontal interval of spacing needle is greater than the horizontal interval of pinhole.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model relates to a blank tectorial membrane integrated into one piece injection mould through being provided with spacing needle and movable rod, before the compound die is moulded plastics, corresponds the pinhole card of blank membrane and establishes in the spacing needle outside to promote the laminating of the chamber roof of moulding plastics of blank membrane and last mould, in order to guarantee the level and smooth of blank membrane and lay, when the compound die is moulded plastics, spacing needle is located blank membrane downside, has certain anti adhesive solution shock function, in order to prevent blank membrane fold.

2. The utility model relates to a blank tectorial membrane integrated into one piece injection mould, through being provided with movable rod and last cardboard, finish moulding plastics at the compound die and stew after long properly, the accessible rotates the movable rod, the movable rod drives and shifts up rather than the baffle that connects soon, make spacing needle be located port parallel and level under the pinhole, the liquid of moulding plastics this moment has certain healing function, in order to prevent that the blank from keeping somewhere the pinhole groove, guarantee the quality that the blank was moulded plastics, go up the cardboard simultaneously and be used for restricting the volume of transferring of baffle with lower cardboard, when baffle and last cardboard laminating, spacing needle is located the pinhole, the staff of being convenient for transfers and moves spacing needle.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic view of an overall main view structure of a whiteboard and film covering integrated injection mold of the utility model;

fig. 2 is a schematic structural view of a movable rod of the injection mold for integrally molding a white board overlay film of the present invention;

fig. 3 is the utility model relates to a structural schematic is overlooked to blank membrane of blank tectorial membrane integrated into one piece injection mould.

In the figure: 1. an upper die; 2. a lower die; 3. a feed pipe; 4. a baffle plate; 5. a movable rod; 6. a bearing; 7. a limit needle; 8. an injection molding cavity; 9. a limiting block; 10. a groove; 11. a pinhole; 12. white board film; 13. an upper clamping plate; 14. a lower clamping plate; 15. rotating the ring; 16. and (4) external threads.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected" and "disposed" are to be construed broadly, and may for example be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides a technical solution: a whiteboard tectorial membrane integrated into one piece injection mould, including the upper die 1;

the lower die 2 is arranged on the lower side of the upper die 1, injection cavities 8 are formed in the middle of the lower surface of the upper die 1 and the upper surface of the lower die 2 in a hollow mode, a white board film 12 is arranged in each injection cavity 8 of the upper die 1, needle holes 11 are formed in four corners of each white board film 12, limiting needles 7 penetrate through the four needle holes 11, the limiting needles 7 extend to the upper side of the upper die 1, a baffle plate 4 is fixedly arranged at the top of each limiting needle 7, a movable rod 5 is arranged in the middle of the upper surface of the upper die 1, the bottom end of each movable rod 5 is rotatably connected with the upper die 1 through a bearing 6, external threads 16 are formed in the middle of the outer wall of each movable rod 5, and the movable rods;

the movable rod 5 is close to the upper and lower both sides of baffle 4 and is fixed respectively and is provided with cardboard 13 and lower cardboard 14, cardboard 14 and the laminating of 4 lower surfaces of baffle down, it is provided with inlet pipe 3 and inlet pipe 3 extends to in the injection molding chamber 8 to go up the upside that is close to stopper 9 in 1.

In the embodiment (as shown in fig. 1, 2 and 3), by providing the limit needle 7 and the movable rod 5, before the die assembly and injection molding, the needle hole 11 of the white board film 12 is correspondingly clamped outside the limit needle 7, and the white board film 12 is pushed to be attached to the top wall of the injection molding cavity 8 of the upper die 1, so as to ensure the smooth laying of the white board film 12, when the die assembly and injection molding are performed, the limit needle 7 is located at the lower side of the white board film 12, and has a certain anti-adhesive solution impact function, so as to prevent the white board film 12 from wrinkling, by providing the movable rod 5 and the upper clamping plate 13, after the die assembly and injection molding is completed and is left for a proper time, by rotating the movable rod 5, the movable rod 5 drives the baffle 4 which is rotatably connected therewith to move upwards, so that the limit needle 7 is located at the lower port of the needle hole 11 and is flush, at this time, the injection molding solution has a certain healing function, so as to prevent the white board from remaining in the, when the baffle 4 is attached to the upper clamping plate 13, the limiting needle 7 is positioned in the needle hole 11, so that the limiting needle 7 can be conveniently moved by a worker.

The left side and the right side of the lower surface of the upper die 1 are both fixedly provided with limit blocks 9, and grooves 10 are formed under the lower die 2 close to the limit blocks 9.

In this embodiment (as shown in fig. 1), through being provided with stopper 9, accessible stopper 9 joint is in recess 10, and the compound die of being convenient for is used, prevents the skew situation.

Wherein, the top of the movable rod 5 is fixedly provided with a rotating ring 15, and the surface of the rotating ring 15 is provided with anti-skid grains.

In this embodiment (as shown in fig. 1 and 2), the swivel 15 is arranged, so that the movable rod 5 can be driven to rotate by the swivel 15, the operation is labor-saving and convenient, and the anti-skid lines can increase the friction force of the hand.

The appearance of the limiting needle 7 is matched with the outline of the pinhole 11 of the whiteboard film 12, and the transverse distance of the limiting needle 7 is larger than that of the pinhole 11.

In this embodiment (as shown in fig. 1 and 3), the lateral distance between the limiting pins 7 is greater than the lateral distance between the pin holes 11, so as to ensure the stable position clamping of the whiteboard film 12.

The working principle is as follows: it should be noted that the utility model relates to a whiteboard tectorial membrane integrated into one piece injection mould, which comprises an upper mould 1, a lower mould 2, a feeding pipe 3, a baffle 4, a movable rod 5, a bearing 6, a limit needle 7, an injection molding cavity 8, a limit block 9, a groove 10, a pinhole 11, a whiteboard membrane 12, an upper clamping plate 13, a lower clamping plate 14, a rotary ring 15 and an external thread 16, wherein the components are all universal standard components or components known by technicians in the field, the structure and principle of the injection mould can be known by technicians through technical manuals or conventional test methods, when the whiteboard tectorial membrane integrated into one piece injection mould is used, the pinhole 11 of the whiteboard tectorial membrane 12 is correspondingly clamped outside the limit needle 7 before mould closing and injection molding, and the whiteboard membrane 12 is pushed to be attached to the top wall of the injection molding cavity 8 of the upper mould 1, so as to ensure the smooth laying of the whiteboard membrane 12, when the compound die is moulded plastics, spacing needle 7 is located the white board membrane 12 downside, certain anti-adhesive solution impact function has, in order to prevent white board membrane 12 fold, through being provided with movable rod 5 and last cardboard 13, after the compound die is moulded plastics and is accomplished to stew for a long time properly, the accessible rotates movable rod 5, movable rod 5 drives baffle 4 rather than connecing soon and moves up, make spacing needle 7 be located port parallel and level under pinhole 11, the liquid of moulding plastics has certain healing function this moment, keep somewhere the pinhole groove with preventing the blank, guarantee the quality that the blank was moulded plastics, go up cardboard 13 and lower cardboard 14 and be used for limiting baffle 4's the volume of transferring simultaneously, when baffle 4 and last cardboard 13 laminating, spacing needle 7 is located pinhole 11, be convenient for the staff to transfer spacing needle 7, the result of use is comparatively ideal.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied 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.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a blank tectorial membrane integrated into one piece injection mould which characterized in that: comprises an upper die (1);

a lower die (2) is arranged at the lower side of the upper die (1), injection molding cavities (8) are respectively arranged in the middle of the lower surface of the upper die (1) and in the hollow upper surface of the lower die (2), a white board film (12) is arranged in the injection molding cavity (8) of the upper die (1), needle holes (11) are formed in four corners of the white board film (12), limiting needles (7) penetrate through the four needle holes (11), the limiting needle (7) extends to the upper side of the upper die (1), a baffle (4) is fixedly arranged at the top of the limiting needle (7), a movable rod (5) is arranged in the middle of the upper surface of the upper die (1), the bottom end of the movable rod (5) is rotatably connected with the upper die (1) through a bearing (6), an external thread (16) is formed in the middle of the outer wall of the movable rod (5), and the movable rod (5) is screwed with a screw hole which is formed in the baffle (4) through the external thread (16);

the upper and lower both sides that movable rod (5) are close to baffle (4) are fixed respectively and are provided with cardboard (13) and lower cardboard (14), cardboard (14) and baffle (4) lower surface laminating down, it is provided with inlet pipe (3) and extends to in the injection molding chamber (8) to go up the upside that is close to stopper (9) in (1).

2. The whiteboard tectorial membrane integrated into one piece injection mould of claim 1, characterized in that: the die is characterized in that limiting blocks (9) are fixedly arranged on the left side and the right side of the lower surface of the upper die (1), and grooves (10) are formed under the lower die (2) close to the limiting blocks (9).

3. The whiteboard tectorial membrane integrated into one piece injection mould of claim 1, characterized in that: the top of the movable rod (5) is fixedly provided with a rotating ring (15), and anti-skid grains are arranged on the surface of the rotating ring (15).

4. The whiteboard tectorial membrane integrated into one piece injection mould of claim 1, characterized in that: the appearance of spacing needle (7) and pinhole (11) profile phase-match of whiteboard membrane (12), the horizontal interval of spacing needle (7) is greater than the horizontal interval of pinhole (11).