CN213500524U

CN213500524U - Injection mold for ultrathin large-size frameless liquid crystal television shell

Info

Publication number: CN213500524U
Application number: CN202021920149.9U
Authority: CN
Inventors: 陈旭松
Original assignee: DONGGUAN KONKA MOULD PLASTIC CO LTD
Current assignee: DONGGUAN KONKA MOULD PLASTIC CO LTD
Priority date: 2020-09-03
Filing date: 2020-09-03
Publication date: 2021-06-22
Anticipated expiration: 2030-09-03

Abstract

The utility model discloses an ultra-thin jumbo size does not have injection mold for frame LCD TV shell, including the cover half, the upper end fixedly connected with guide post of cover half, the outside of the top guide post of cover half slides and is provided with the movable mould, the inboard of the lower extreme guide post of movable mould is connected with mould benevolence, the upper end central point department of putting of movable mould has seted up the hole of moulding plastics, be provided with the deashing mechanism between the two turnings in upper end of movable mould, the deashing mechanism includes push pedal, clearance sponge, the one end of push pedal, clearance sponge just runs through the inside of movable mould and is provided with fixed rotating shaft, one side of the other end of the upper end corner push pedal of. Ultra-thin jumbo size does not have frame injection mold for liquid crystal TV shell, can wipe off the dust of movable mould surface gathering, it is more convenient to clear up, prevents that the dust from falling into the injection hole when not using, can make the TV shell quality of producing better.

Description

Injection mold for ultrathin large-size frameless liquid crystal television shell

Technical Field

The utility model relates to an injection mold technical field, in particular to ultra-thin jumbo size does not have frame injection mold for liquid crystal TV shell.

Background

The injection mold is used in the injection molding process to shape molten plastic into a mold with a specific size and shape;

patent publication No. CN 210026073U 3 discloses an injection mold suitable for manufacturing of TV set shell, specifically is: the utility model provides a be suitable for injection mold that TV set shell was made, including bearing substrate, the last buffer board of installing of bearing substrate, be connected with the die holder on the buffer board, it has the upper die base to add on the die holder, the inside shaping space that constitutes of upper die base, a plurality of injection holes have been seted up at the top of upper die base, the exhaust hole has been seted up at the top of upper die base, the exhaust hole is including main round hole, long relief groove has been seted up on the main round hole, the top of upper die base is provided with the holding down plate, the die holder, it has the cooling guide subassembly to distribute on the upper die base, the buffer board links to each other with the die holder through inserting. Therefore, the structure during layering is adopted, the independent replacement of other parts such as the lower die holder and the upper die holder can be realized aiming at different types of television shells, the cost of the whole implementation is reduced, and the die opening of the whole die is not needed. The multi-hole synchronous injection molding device is provided with a plurality of injection molding holes, and meets the high-speed production requirement of multi-hole synchronous injection. However, according to the technical scheme, when the injection mold is not used in a workshop with poor dust control and low cleanliness, dust is easily accumulated on the surface, the cleaning is inconvenient, and the quality of the injection molded television shell product is poor when the dust enters the injection molding hole.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides ultra-thin jumbo size does not have frame injection mold for liquid crystal TV shell to effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the injection mold for the shell of the ultrathin large-size frameless liquid crystal television comprises a fixed mold, wherein a guide post is fixedly connected to the upper end of the fixed mold, a movable mold is slidably arranged on the outer side of the guide post above the fixed mold, a mold core is connected to the inner side of the guide post at the lower end of the movable mold, an injection molding hole is formed in the central position of the upper end of the movable mold, an ash cleaning mechanism is arranged between two corners of the upper end of the movable mold and comprises a push plate and a cleaning sponge, a fixed rotating shaft is arranged at one end of the push plate and penetrates through the inner part of the movable mold, a supporting block is arranged at one side of the other end of the push plate at the upper end corner of the movable mold, a clamping groove is formed in the outer surface of the upper end of the push plate, a fixed frame is symmetrically arranged, and a fixing clamping plate is arranged at the corner of the upper end of the movable mold, which is far away from the ash removal mechanism.

Preferably, push pedal, clearance sponge are all through fixed rotating shaft and movable mould sliding connection, the upper end surface of clearance sponge is connected with the lower extreme surface fixed connection of push pedal, and the lower extreme surface contact of lower extreme surface and the upper end surface of movable mould of clearance sponge, the clearance sponge passes directly over the hole of moulding plastics.

Preferably, the supporting block is fixed at the upper end of the movable die through a screw, the tangent plane of the fixing frame is L-shaped, the internal thread pipe is welded with the fixing frame, the external thread pressing rod penetrates through the inside of the internal thread pipe, the lower end of the external thread pressing rod extends into the clamping groove, and the outer surface of the external thread pressing rod is in threaded connection with the inner surface of the internal thread pipe.

Preferably, the fixed clamping plate is fixedly connected with the movable die, the section of the fixed clamping plate is L-shaped, the fixed clamping plate is made of elastic materials, and the distance between the surface of the top end of the inner side of the fixed clamping plate and the surface of the upper end of the movable die is equal to the sum of the thicknesses of the push plate and the cleaning sponge.

Preferably, the inner side of the guide column on the outer surface of the upper end of the fixed die is provided with a die cavity matched with the die core, and the outer surface of the die core is in sliding connection with the inner surface of the die cavity.

Preferably, the movable die is connected with the fixed die in a sliding mode through the guide column, and the two ends of the fixed die are welded with the lifting rings.

Compared with the prior art, the utility model discloses following beneficial effect has: the injection mold for the ultrathin large-size frameless liquid crystal television shell can rotate with a cleaning sponge under the action of a fixed rotating shaft by pulling the push plate, dust gathered on the surface of a movable mold can be wiped off by the cleaning sponge, the cleaning is more convenient, the push plate is rotated to one side of the movable mold after the cleaning is finished, one end of a fixed clamping plate is lifted, the push plate and the cleaning sponge can be fixed after the fixed clamping plate is released, an external injection molding machine is conveniently connected with an injection hole, the push plate is rotated to be right below an internal thread pipe after the injection mold is used, the external thread pressure rod can be moved downwards by rotating the external thread pressure rod, the lower end of the external thread pressure rod is moved into the inside of a clamping groove, the push plate can be locked by the external thread pressure rod, the injection hole can be sealed by the push plate and the cleaning sponge, the dust is prevented from falling into the injection hole when the injection mold is not used, and, the dustproof effect is better, prevents that the downthehole dust of moulding plastics from getting into the die cavity along with the liquid of moulding plastics inside, can make the television shell quality of producing better, and the effect of use is better for traditional mode.

Drawings

Fig. 1 is a schematic view of the overall structure of the injection mold for the ultra-thin large-sized frameless liquid crystal television housing of the present invention;

FIG. 2 is an enlarged schematic view of the injection mold A for the ultra-thin large-sized frameless liquid crystal television housing of the present invention;

fig. 3 is an enlarged schematic view of a B of the injection mold for the ultra-thin large-sized frameless liquid crystal television housing of the present invention;

fig. 4 is an enlarged schematic view of C of the injection mold for the ultra-thin large-size frameless liquid crystal television housing of the present invention.

In the figure: 1. fixing a mold; 2. a cavity; 3. a guide post; 4. moving the mold; 5. a mold core; 6. a dust removal mechanism; 61. pushing the plate; 62. cleaning the sponge; 63. fixing the rotating shaft; 64. a support block; 65. a fixed mount; 66. an internally threaded tube; 67. an external thread pressure lever; 68. a card slot; 7. and (5) fixing the clamping plate.

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.

As shown in fig. 1-4, the injection mold for the outer shell of the ultra-thin large-size frameless liquid crystal television comprises a fixed mold 1, a guide post 3 is fixedly connected to the upper end of the fixed mold 1, a movable mold 4 is slidably arranged on the outer side of the guide post 3 above the fixed mold 1, a mold core 5 is connected to the inner side of the guide post 3 at the lower end of the movable mold 4, an injection molding hole is formed in the central position of the upper end of the movable mold 4, an ash removing mechanism 6 is arranged between two corners of the upper end of the movable mold 4, the ash removing mechanism 6 comprises a push plate 61 and a cleaning sponge 62, one end of the push plate 61 and one end of the cleaning sponge 62 penetrate through the inside of the movable mold 4 and are provided with a fixed rotating shaft 63, a supporting block 64 is arranged on one side of the other end of the push plate 61 at the upper corner of the movable, the inside swing joint of internal thread pipe 66 has external screw thread depression bar 67, and the corner of keeping away from deashing mechanism 6 in the upper end of movable mould 4 is provided with fixed cardboard 7.

In this embodiment, push pedal 61, clearance sponge 62 is all through fixed rotating shaft 63 and movable mould 4 sliding connection, the upper end surface of clearance sponge 62 and the lower extreme surface fixed connection of push pedal 61, and the lower extreme surface of clearance sponge 62 and the upper end surface contact of movable mould 4, clearance sponge 62 passes directly over the injection molding hole, in operation, when movable mould 4 surface gathering dust, it makes it rotatory under fixed rotating shaft 63's effect with clearance sponge 62 to cross to pull push pedal 61, wipe the dust of movable mould 4 surface gathering through clearance sponge 62, it is more convenient to clear up.

In the embodiment, the supporting block 64 is fixed at the upper end of the movable mold 4 through a screw, the tangent plane of the fixing frame 65 is in an L shape, the internal thread tube 66 is welded with the fixing frame 65, the external thread pressure rod 67 penetrates through the internal thread tube 66, the lower end of the external thread pressure rod 67 extends into the clamping groove 68, the outer surface of the external thread pressure rod 67 is in threaded connection with the inner surface of the internal thread tube 66, when the mold is not used, dust easily falls into the injection hole, the push plate 61 and the cleaning sponge 62 are easy to shake when the mold is carried, the cleaning sponge 62 is rotated to the upper end of the injection hole, the external thread pressure rod 67 is rotated to move downwards, the lower end of the external thread pressure rod 67 is moved into the clamping groove 68, the push plate 61 can be locked through the external thread pressure rod 67, the injection hole is sealed through the push plate 61 and the cleaning sponge 62, and the dust, and push pedal 61 can not rock in handling, and dustproof effect is better.

In this embodiment, be fixed connection between fixed cardboard 7 and the movable mould 4, and the tangent plane of fixed cardboard 7 is L shape, fixed cardboard 7 is elastic material, distance and push pedal 61 between fixed cardboard 7 inboard top surface and the 4 upper end surfaces of movable mould, the thickness sum of clearance sponge 62 is the same, in operation, in the mould during operation, push pedal 61, clearance sponge 62 rocks, can be rotatory one side of movable mould 4 with push pedal 61, and the one end lifting of fixed cardboard 7, can be fixed push pedal 61 and clearance sponge 62 behind the fixed cardboard 7 through the release, make things convenient for outside injection molding machine and injection molding jogged joint.

The inner side of the guide column 3 on the outer surface of the upper end of the fixed die 1 is provided with a die cavity 2 matched with the die core 5, and the outer surface of the die core 5 is in sliding connection with the inner surface of the die cavity 2.

The movable mould 4 passes through guide post 3 and cover half 1 sliding connection, and the both ends welding of cover half 1 has rings, is convenient for the transport of mould through rings.

It should be noted that, the utility model relates to an ultra-thin big size no frame injection mold for liquid crystal television shell, the user makes it rotate under the effect of fixed pivot 63 with clearance sponge 62 through pulling push pedal 61, wipe off the dust that gathers on the movable mould 4 surface through clearance sponge 62, after cleaning up of a rotation circle, with push pedal 61 rotate to one side of movable mould 4, and lift one end of fixed cardboard 7, through releasing fixed cardboard 7 with push pedal 61 and clearance sponge 62 fixed, through movable mould 4 when the surface of guide post 3 slides down the inside of die cavity 2, then inject the injection molding liquid into die cavity 2 through the injection molding hole and carry out the injection molding, after using, with push pedal 61 rotate to under the internal thread pipe 66, make it move down through rotating external screw thread depression bar 67, and then move the lower extreme of external screw thread depression bar 67 into the inside of draw-in groove 68, can lock push pedal 61 through external screw thread depression bar 67, the injection molding hole is sealed by the push plate 61 and the cleaning sponge 62.

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 understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. Ultra-thin jumbo size does not have injection mold for frame liquid crystal TV shell, including cover half (1), its characterized in that: the upper end of the fixed die (1) is fixedly connected with a guide post (3), the outer side of the upper guide post (3) of the fixed die (1) is provided with a movable die (4) in a sliding manner, the inner side of the lower end guide post (3) of the movable die (4) is connected with a die core (5), the upper end central position of the movable die (4) is provided with an injection molding hole, an ash cleaning mechanism (6) is arranged between two corners of the upper end of the movable die (4), the ash cleaning mechanism (6) comprises a push plate (61) and a cleaning sponge (62), one end of the push plate (61) and one end of the cleaning sponge (62) penetrate through the movable die (4) and are provided with a fixed rotating shaft (63), one side of the other end of the push plate (61) at the upper corner of the movable die (4) is provided with a supporting block (64), the upper end outer surface of the push plate (61) is, an internal threaded pipe (66) is connected above an internal clamping groove (68) of the fixed frame (65), an external threaded pressure rod (67) is movably connected inside the internal threaded pipe (66), and a fixing clamping plate (7) is arranged at a corner, far away from the ash removal mechanism (6), of the upper end of the movable mold (4).

2. The injection mold for the outer casing of the ultra-thin large-size frameless liquid crystal television set of claim 1, wherein: push pedal (61), clearance sponge (62) are all through fixed rotating shaft (63) and movable mould (4) sliding connection, the upper end surface of clearance sponge (62) is connected with the lower extreme surface fixed connection of push pedal (61), and the lower extreme surface of clearance sponge (62) and the upper end surface contact of movable mould (4), clearance sponge (62) pass directly over the injection molding hole.

3. The injection mold for the outer casing of the ultra-thin large-size frameless liquid crystal television set of claim 1, wherein: the supporting block (64) is fixed to the upper end of the movable die (4) through a screw, the tangent plane of the fixing frame (65) is L-shaped, the internal thread pipe (66) and the fixing frame (65) are welded, the external thread pressing rod (67) penetrates through the internal part of the internal thread pipe (66), the lower end of the external thread pressing rod (67) extends to the internal part of the clamping groove (68), and the outer surface of the external thread pressing rod (67) is connected with the inner surface of the internal thread pipe (66) through threads.

4. The injection mold for the outer casing of the ultra-thin large-size frameless liquid crystal television set of claim 1, wherein: the fixed clamping plate (7) is fixedly connected with the movable die (4), the section of the fixed clamping plate (7) is L-shaped, the fixed clamping plate (7) is made of elastic materials, and the distance between the top end surface of the inner side of the fixed clamping plate (7) and the upper end surface of the movable die (4) is the same as the sum of the thicknesses of the push plate (61) and the cleaning sponge (62).

5. The injection mold for the outer casing of the ultra-thin large-size frameless liquid crystal television set of claim 1, wherein: the inner side of the guide column (3) on the outer surface of the upper end of the fixed die (1) is provided with a die cavity (2) matched with the die core (5), and the outer surface of the die core (5) is in sliding connection with the inner surface of the die cavity (2).

6. The injection mold for the outer casing of the ultra-thin large-size frameless liquid crystal television set of claim 1, wherein: the movable mould (4) is connected with the fixed mould (1) in a sliding mode through the guide columns (3), and lifting rings are welded at the two ends of the fixed mould (1).