CN213675269U

CN213675269U - Injection mold for ultra-narrow frame television structural part

Info

Publication number: CN213675269U
Application number: CN202021996399.0U
Authority: CN
Inventors: 陈旭松
Original assignee: DONGGUAN KONKA MOULD PLASTIC CO LTD
Current assignee: DONGGUAN KONKA MOULD PLASTIC CO LTD
Priority date: 2020-09-11
Filing date: 2020-09-11
Publication date: 2021-07-13
Anticipated expiration: 2030-09-11

Abstract

The utility model belongs to the technical field of the TV set structure moulds plastics, especially, be an injection mold for super narrow frame TV set structure, including base, last mould, lower mould and heat exchanger, the top fixed mounting of base has the support column, the lower mould level is fixed in the top of support column, be equipped with the liftout mechanism that is used for pushing away the material on the base, liftout mechanism includes liftout cylinder, slider, liftout pole and liftout frame plate, the liftout cylinder is installed perpendicularly in the top of base. The utility model discloses a slider and liftout passageway sliding fit play stable guide effect, utilize the liftout framed lamella to stabilize and bear the injection molding, increase with the area of contact of injection molding, avoid stress too concentrated, prevent effectively that the formed part from causing the damage at ejecting in-process, it is higher than traditional liftout mechanism stability, the realization is to the optimization of traditional circulating water cooling structure, it is better to make the heat exchange effect, effectively shorten the cool time of mould, realize the quick cooling shaping of injection molding.

Description

Injection mold for ultra-narrow frame television structural part

Technical Field

The utility model relates to a TV set structure technical field that moulds plastics specifically is an injection mold for super narrow frame TV set structure.

Background

The television is a device that transmits moving image pictures and audio signals by using electronic technology according to the persistence of vision characteristics and visual psychology of human eyes, that is, a television receiver. Are also important broadcast and video communication tools. The basic system of the television consists of three parts, namely shooting, transmission and display. Compared with a wide-edge design, the ultra-narrow-frame television has a larger screen visually, has more impact on viewing experience, embodies the quality and the design power of a product, enables the product to have more quality, and is deeply favored by consumers.

The ultra-narrow frame television has an ultra-narrow frame structural member which is generally injection molded through an injection mold. However, the existing injection mold for the ultra-narrow frame television structural part adopts the ejector rod to eject, so that the problem of poor ejection stability is generally existed, the injection molding part is easy to damage in the ejection process, the cooling forming speed is low, the production efficiency is low, and the requirement of high-efficiency cooling forming cannot be met.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides an injection mold for super narrow frame TV set structure to solve current injection mold for super narrow frame TV set structure and adopt the liftout pole to carry out the liftout, the relatively poor problem of ubiquitous liftout stability easily damages at the liftout in-process and causes the injection molding to damage, and cooling shaping speed is slower, and production efficiency is lower, can not satisfy the problem of high-efficient cooling shaping demand.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme:

an injection mold for a television structure with an ultra-narrow frame comprises a base, an upper mold, a lower mold and a heat exchanger, wherein a support column is fixedly installed at the top of the base, the lower mold is horizontally fixed at the top of the support column, an ejection mechanism for pushing materials is arranged on the base, the ejection mechanism comprises an ejection cylinder, a slider, an ejection rod and an ejection frame plate, the ejection cylinder is vertically installed at the top of the base, the slider is fixedly connected to the top of a piston rod of the ejection cylinder, the ejection rod is vertically installed at the top of the slider, the ejection frame plate is horizontally supported by the ejection rod, an ejection channel matched with the ejection rod is arranged inside the lower mold, the slider is in sliding fit with the inner wall of the ejection channel, an injection molding cavity for injection molding of the television structure with the ultra-narrow frame is formed among the ejection frame plate, the lower mold and the upper mold, and a multi-arc water cooling channel is arranged on the periphery of the injection molding cavity corresponding part inside the upper mold, the side walls of the upper die and the lower die are respectively provided with a water inlet and a water outlet, the water inlet is connected with the water-cooling water outlet of the heat exchanger through a water inlet pipe, the water outlet is connected with the water-cooling water inlet of the heat exchanger through a water return pipe, and the water return pipe is provided with a circulating pump.

As an optimal technical scheme of the utility model, the guide bar is installed perpendicularly respectively in the top four corners department of lower mould, go up the mould and be equipped with the direction passageway with guide bar looks adaptation.

As an optimal technical scheme of the utility model, be equipped with the formula runner of hiding that is used for the inboard point of injection molding chamber to water on going up the mould.

As a preferred technical scheme of the utility model, the quantity of liftout cylinder is two, and two liftout cylinder symmetries support in the both sides bottom of liftout framed panel.

As an optimal technical scheme of the utility model, the inside of lower mould is equipped with the overlap joint groove with liftout deckle board looks adaptation, be equipped with on the liftout deckle board with the holding groove of moulding plastics chamber looks adaptation.

(III) advantageous effects

Compared with the prior art, the utility model provides an injection mold for super narrow frame TV set structure possesses following beneficial effect:

1. this injection mold for super narrow frame TV set structure comprises liftout cylinder, slider, liftout pole and liftout frame plate and constructs liftout mechanism, through slider and liftout passageway sliding fit, plays stable guide effect, utilizes the liftout frame plate to stabilize and bears the injection molding, increases the area of contact with the injection molding, avoids stress too concentrated, prevents effectively that the formed part from causing the damage at ejecting in-process, and is higher than traditional liftout mechanism stability.

2. This super narrow frame injection mold for TV set structure through many bends circular arc water-cooling channel cladding in the periphery in the chamber of moulding plastics, realizes the optimization to traditional circulating water cooling structure, makes the heat exchange effect better, effectively shortens the cooling time of mould, realizes the quick cooling shaping of injection molding.

Drawings

Fig. 1 is a schematic view of the overall cross-sectional structure of the present invention;

fig. 2 is a schematic structural view of the material ejecting mechanism of the present invention;

fig. 3 is the schematic view of the pipeline conduction structure of the medium-multi-curved arc water-cooling channel and the heat exchanger of the present invention.

In the figure: 1. a base; 2. an upper die; 3. a lower die; 4. a heat exchanger; 5. a support pillar; 6. a material ejecting mechanism; 601. a material ejection cylinder; 602. a slider; 603. a lifter bar; 604. ejecting a frame plate; 6041. a material bearing groove; 7. a material ejecting channel; 8. an injection molding cavity; 9. a multi-bend arc water-cooling channel; 10. a water inlet pipe; 11. a water return pipe; 12. a circulation pump; 13. a guide bar; 14. a submarine gate.

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.

Examples

Referring to fig. 1-3, the utility model provides an injection mold for an ultra-narrow frame television structural component, which comprises a base 1, an upper mold 2, a lower mold 3 and a heat exchanger 4, wherein a support column 5 is fixedly installed on the top of the base 1, the lower mold 3 is horizontally fixed on the top of the support column 5, an ejection mechanism 6 for pushing material is arranged on the base 1, the ejection mechanism 6 comprises an ejection cylinder 601, a slider 602, an ejection rod 603 and an ejection frame plate 604, the ejection cylinder 601 is vertically installed on the top of the base 1, the slider 602 is fixedly connected to the top of a piston rod of the ejection cylinder 601, the ejection rod 603 is vertically installed on the top of the slider 602, the ejection frame plate 604 is horizontally supported by the ejection rod 603, an ejection channel 7 matched with the ejection rod 603 is arranged inside the lower mold 3, the slider 602 is in sliding fit with the inner wall of the ejection channel 7, an injection molding cavity 8 for injection molding of the ultra-narrow frame television structural component is formed between the ejection frame plate 604, the, the periphery of the injection molding cavity 8 corresponding to the corresponding part in the upper mold 2 and the lower mold 3 is provided with a multi-bend arc water cooling channel 9, the side walls of the upper mold 2 and the lower mold 3 are respectively provided with a water inlet and a water outlet, the water inlet is connected with the water cooling water outlet of the heat exchanger 4 through a water inlet pipe 10, the water outlet is connected with the water cooling water inlet of the heat exchanger 4 through a water return pipe 11, and the water return pipe 11 is provided with a circulating pump 12.

Specifically, the four corners of the top of the lower die 3 are respectively and vertically provided with a guide rod 13, and the upper die 2 is provided with a guide channel matched with the guide rod 13.

In this embodiment, the guide rod 13 is used in cooperation with the guide channel, so that the upper die 2 can be guided to ascend and descend.

Specifically, the upper die 2 is provided with a submarine gate 14 for point casting on the inner side of the injection molding cavity 8.

In this embodiment, the hidden gate 14 is also called a tunnel gate and is evolved from a point gate, and the gate structure adopts the hidden gate 14, so that the defect that the structure of the point gate mold is complex is overcome, the advantage of the point gate is maintained, the period time is short, the nozzle condensation can be avoided, and the quality of injection molding parts is ensured.

Specifically, the number of the ejection cylinders 601 is two, and the two ejection cylinders 601 are symmetrically supported at the bottoms of the two sides of the ejection frame plate 604.

In this embodiment, the two liftout cylinders 601 are arranged to horizontally support the liftout frame plate 604, so that the liftout structure is more stable.

Specifically, the inside of the lower mold 3 is provided with a lap joint groove matched with the liftout frame plate 604, and the liftout frame plate 604 is provided with a material bearing groove 6041 matched with the injection molding cavity 8.

In this embodiment, during injection molding, material injection molding is performed through the submarine gate 14, after the injection molding material is molded in the injection molding cavity 8, during material ejection, the material ejection frame plate 604 is ejected upwards, and at this time, the injection molding structural member is placed in the material bearing groove 6041, so that the stability of the material ejection is ensured.

The utility model discloses a theory of operation and use flow: when the injection molding machine works, material injection molding is carried out through the submarine gate 14, the material is poured into the injection molding cavity 8 through the submarine gate 14, after the injection molding is finished, the circulating pump 12 is started, cooling water flows circularly through the heat exchanger 4, the water inlet pipe 10, the multi-bend arc water cooling channel 9, the water return pipe 11 and the heat exchanger 4 in sequence, the cooling water rapidly takes away the heat of the lower die 3 in the flowing process in the multi-bend arc water cooling channel 9 coated on the periphery of the injection molding cavity 8, the cooling of the lower die 3 is accelerated, so that the injection molding piece is rapidly cooled and molded, the cooling water heated by heat exchange is returned into the heat exchanger 4 to exchange heat with a cooling medium again, the cooling water is cooled, the cooling effect of the cooling water is ensured, after the injection molding piece is cooled and molded, the material ejecting cylinder 601 is started, the ejecting rod 603 is jacked through the piston rod of the ejecting cylinder 601, so that the sliding block, and then the injection molding piece on the material ejection frame plate 604 is stably ejected out, so that material taking can be performed.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an injection mold for super narrow frame TV set structure, includes base (1), goes up mould (2), lower mould (3) and heat exchanger (4), its characterized in that: the top fixed mounting of base (1) has support column (5), lower mould (3) level is fixed in the top of support column (5), be equipped with liftout mechanism (6) that is used for the material to push on base (1), liftout mechanism (6) are including liftout cylinder (601), slider (602), liftout pole (603) and liftout frame plate (604), liftout cylinder (601) are installed perpendicularly in the top of base (1), slider (602) fixed connection is in the piston rod top of liftout cylinder (601), liftout pole (603) are installed perpendicularly in the top of slider (602), liftout frame plate (604) are through liftout pole (603) horizontal stay, the inside of lower mould (3) is equipped with liftout passageway (7) with liftout pole (603) looks adaptation, slider (602) and liftout passageway (7) inner wall sliding fit, liftout frame plate (604), Lower mould (3) and go up and be formed with between mould (2) and be used for the injection molding chamber (8) that super narrow frame TV set structure was moulded plastics, it corresponds the chamber (8) periphery of moulding plastics of corresponding part and is equipped with many bends circular arc water-cooling passageway (9) to go up the inside of mould (2) and lower mould (3), be equipped with water inlet and delivery port on the lateral wall of mould (2) and lower mould (3) respectively, the water inlet passes through inlet tube (10) and is connected with the water-cooling delivery port of heat exchanger (4), and the delivery port passes through wet return (11) and is connected with the water-cooling water inlet of heat exchanger (4), be equipped with circulating pump (12) on.

2. The injection mold for the structural member of the television with ultra-narrow frame according to claim 1, wherein: and guide rods (13) are vertically installed at four corners of the top of the lower die (3) respectively, and guide channels matched with the guide rods (13) are arranged on the upper die (2).

3. The injection mold for the structural member of the television with ultra-narrow frame according to claim 1, wherein: the upper die (2) is provided with a submarine gate (14) for point casting on the inner side of the injection molding cavity (8).

4. The injection mold for the structural member of the television with ultra-narrow frame according to claim 1, wherein: the number of the material ejecting cylinders (601) is two, and the two material ejecting cylinders (601) are symmetrically supported at the bottoms of two sides of the material ejecting frame plate (604).

5. The injection mold for the structural member of the television with ultra-narrow frame according to claim 1, wherein: the inside of lower mould (3) is equipped with the overlap joint groove with liftout frame plate (604) looks adaptation, be equipped with on liftout frame plate (604) hold the material groove (6041) with injection molding chamber (8) looks adaptation.