CN214163821U - Light guide plate injection mold - Google Patents
Light guide plate injection mold Download PDFInfo
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- CN214163821U CN214163821U CN202022820972.9U CN202022820972U CN214163821U CN 214163821 U CN214163821 U CN 214163821U CN 202022820972 U CN202022820972 U CN 202022820972U CN 214163821 U CN214163821 U CN 214163821U
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- mould
- light guide
- guide plate
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Abstract
The utility model relates to a light guide plate production technical field discloses a light guide plate injection mold, including last mould, lower mould, removal mould and top mould, go up the mould top and seted up first spread groove and the mouth of moulding plastics, head rod front side swing joint has the pulley, fixed mounting has reset spring between locking lever and the second spread groove, lower mould top threaded connection has first bracing piece, remove the mould bottom and seted up the third spread groove, remove the equal fixedly connected with locking block in the mould left and right sides, top mould top threaded connection has second bracing piece and top mould pole. The utility model discloses in, the slide drives the lower mould downstream during the die sinking, and when the lower mould removed, drive the locking lever downstream, locking lever outer wall took place the displacement along with the pulley when the locking lever removed, made locking lever bottom outside removal, made removal mould and lower mould unblock, removed the mould downstream simultaneously, made the top mould along a top mould hole rebound, ejecting to the light guide plate after the shaping, improved die sinking work efficiency.
Description
Technical Field
The utility model belongs to the technical field of the light guide plate production, specifically be a light guide plate injection mold.
Background
The light guide plate is characterized in that light guide points are printed on the bottom surface of an optical acrylic plate by using an optical acrylic/PC plate and then using a high-tech material with extremely high refractive index and no light absorption through laser engraving, V-shaped cross grid engraving and UV screen printing technologies. The optical-grade acrylic sheet is used for absorbing the light emitted from the lamp to stay on the surface of the optical-grade acrylic sheet, when the light irradiates each light guide point, the reflected light can be diffused towards each angle, and then the reflected light is damaged and is emitted from the front surface of the light guide plate. The light guide plate can uniformly emit light through various light guide points with different densities and sizes. The reflecting sheet is used for reflecting the light exposed from the bottom surface back to the light guide plate so as to improve the use efficiency of the light; under the condition of equal area brightness, the luminous efficiency is high and the power consumption is low. The single-sided microstructure array light guide plate generally adopts an extrusion molding manufacturing process;
the light guide plate in the prior art is generally formed by injection molding, but the mold needs to be manually demoulded after being processed, so that the working efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: in order to solve the problems that the light guide plate in the prior art is generally subjected to injection molding, but the mold needs to be manually demolded after the mold is processed, and the working efficiency is low, the injection mold for the light guide plate is provided.
The utility model adopts the technical scheme as follows: an injection mold for a light guide plate comprises an upper mold, a lower mold, a movable mold and a top mold, wherein the top of the upper mold is provided with a first connecting groove and an injection nozzle, the left side and the right side of the upper die are both fixedly connected with first connecting rods, the front sides of the first connecting rods are movably connected with pulleys, the left side and the right side of the lower die are both provided with second connecting grooves, the middle part of the upper surface of each second connecting groove is provided with a die core, a top die hole is arranged at the center of the die core, the left side and the right side of the lower die are fixedly connected with second connecting rods, the front side of the second connecting rod is movably connected with a locking rod, a return spring is fixedly arranged between the locking rod and the second connecting groove, the top of the lower die is in threaded connection with a first supporting rod, the bottom of the movable die is provided with a third connecting groove, the equal fixedly connected with locking block in removal mould left and right sides, top mould top threaded connection has second bracing piece and top mould pole.
In a preferred embodiment, the bottom of the first support rod is connected with the top of the lower die in a threaded manner, and the top of the first support rod is movably connected inside the first connecting groove.
In a preferred embodiment, the bottom of the second support rod is screwed to the top of the top die, and the top of the second support rod is movably connected to the inside of the third connecting groove.
In a preferred embodiment, the top of the top mold rod is the same structure as the top mold hole.
In a preferred embodiment, one end of the return spring is fixedly connected to the outer wall of the locking rod, and the other end of the return spring is fixedly connected to the outer wall of the second connecting groove.
In a preferred embodiment, the outer wall of the locking bar is in contact with the outer wall of the pulley.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the utility model discloses in, install the mould on the line position, the line position drives and removes mould and lower mould rebound during the compound die, make and remove the mould upper surface and contact with the lower mould, the lower mould upper surface contacts with last mould lower surface, when the lower mould removes simultaneously, drive the locking lever rebound, locking lever outer wall takes place the displacement along with the pulley when the locking lever removes, make locking lever bottom rebound, contact locking lever bottom upper surface and locking piece lower surface, make the lock ejector pin will remove the mould and fix, in discharging into mould benevolence through the mouth of moulding plastics with the raw materials, carry out injection moulding.
2. The utility model discloses in, the slide drives the lower mould downstream during the die sinking, and when the lower mould removed, drive the locking lever downstream, locking lever outer wall took place the displacement along with the pulley when the locking lever removed, made locking lever bottom outside removal, made removal mould and lower mould unblock, removed the mould downstream simultaneously, made the top mould along a top mould hole rebound, ejecting to the light guide plate after the shaping, improved die sinking work efficiency.
Drawings
FIG. 1 is a schematic diagram of a structure of an injection mold for light guide plates according to the present invention;
FIG. 2 is a schematic structural view of a lower mold of an injection mold for light guide plates according to the present invention;
fig. 3 is a state diagram of the light guide plate injection mold during mold opening.
The labels in the figure are: 1-upper die, 2-lower die, 3-movable die, 4-top die, 5-first connecting groove, 6-injection molding nozzle, 7-first connecting rod, 8-pulley, 9-second connecting groove, 10-die core, 11-top die hole, 12-second connecting rod, 13-locking rod, 14-reset spring, 15-first supporting rod, 16-third connecting groove, 17-second supporting rod and 18-top die rod.
Detailed Description
To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are 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 efforts belong to the protection scope of the present invention.
Referring to fig. 1-3, an injection mold for light guide plates comprises an upper mold 1, a lower mold 2, a movable mold 3 and a top mold 4, wherein a first connecting groove 5 and an injection nozzle 6 are formed at the top of the upper mold 1, first connecting rods 7 are fixedly connected to the left and right sides of the upper mold 1, pulleys 8 are movably connected to the front sides of the first connecting rods 7, second connecting grooves 9 are formed in the left and right sides of the lower mold 2, a mold core 10 is formed in the middle of the upper surface of each second connecting groove 9, a top mold hole 11 is formed in the center of the mold core 10, second connecting rods 12 are fixedly connected to the left and right sides of the lower mold 2, locking rods 13 are movably connected to the front sides of the second connecting rods 12, the outer walls of the locking rods 13 are in contact with the outer walls of the pulleys 8, reset springs 14 are fixedly installed between the locking rods 13 and the second connecting grooves 9, one ends of the reset springs 14 are fixedly connected to the outer walls of the locking rods 13, the other ends are fixedly connected to the outer walls of the second connecting grooves 9, the mold is arranged on a slide, the slide drives the movable mold 3 and the lower mold 2 to move upwards during mold closing, so that the upper surface of the movable mold 3 is contacted with the lower mold of the lower mold 2, the upper surface of the lower mold 2 is contacted with the lower surface of the upper mold 1, meanwhile, the lower mold 2 moves, the locking rod 13 is driven to move upwards, when the locking rod 13 moves, the outer wall of the locking rod 13 displaces along with the pulley 8, so that the bottom of the locking rod 13 moves inwards, the upper surface of the bottom of the locking rod 13 is contacted with the lower surface of the locking block, so that the locking rod 13 fixes the movable mold 3, raw materials are discharged into the mold core 10 through the injection nozzle 6 for injection molding, the top of the lower mold 2 is in threaded connection with a first supporting rod 15, the bottom of the first supporting rod 15 is in threaded connection with the top of the lower mold 2, the top of the first supporting rod 15 is movably connected inside the first connecting groove 5, and the bottom of the movable mold 3 is provided with a third connecting groove 16, the equal fixedly connected with locking piece in removal mould 3 left and right sides, 4 top threaded connection of top mould has second bracing piece 17 and top mould pole 18, threaded connection is in 4 tops of top mould in 17 bottoms of second bracing piece, 17 top swing joint of second bracing piece are inside third spread groove 16, 18 tops of top mould pole are the same with top mould hole 11 structure, slide position drives lower mould 2 and moves down during the die sinking, when lower mould 2 moves, drive locking lever 13 and move down, locking lever 13 outer wall takes place the displacement along with pulley 8 when locking lever 13 moves, make locking lever 13 bottom outwards move, make removal mould 3 and lower mould 2 unblock, removal mould 3 moves down simultaneously, make top mould 4 along top mould hole 11 rebound, it is ejecting to the light guide plate after the shaping, improve die sinking work efficiency.
The working principle is as follows: the mold is arranged on a slide, the slide drives a movable mold 3 and a lower mold 2 to move upwards during mold closing, so that the upper surface of the movable mold 3 is contacted with the lower mold of the lower mold 2, the upper surface of the lower mold 2 is contacted with the lower surface of an upper mold 1, meanwhile, the lower mold 2 moves, a locking rod 13 is driven to move upwards, when the locking rod 13 moves, the outer wall of the locking rod 13 displaces along with a pulley 8, so that the bottom of the locking rod 13 moves inwards, the upper surface of the bottom of the locking rod 13 is contacted with the lower surface of a locking block, the locking rod 13 fixes the movable mold 3, raw materials are discharged into a mold core 10 through an injection nozzle 6 for injection molding, when the mold is opened, the slide drives the lower mold 2 to move downwards, when the lower mold 2 moves, the locking rod 13 is driven to move downwards, when the locking rod 13 moves, the outer wall of the locking rod 13 displaces along with the pulley 8, so that the bottom of the locking rod 13 moves outwards, so that the movable mold 3 and the lower mold 2 are unlocked, and meanwhile, the movable die 3 moves downwards, so that the top die 4 moves upwards along the top die hole 11 to eject the formed light guide plate, and the die sinking working efficiency is improved.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (6)
1. The utility model provides a light guide plate injection mold, includes mould (1), lower mould (2), removes mould (3) and top mould (4), its characterized in that: the injection molding machine is characterized in that a first connecting groove (5) and an injection molding nozzle (6) are formed in the top of the upper die (1), first connecting rods (7) are fixedly connected to the left side and the right side of the upper die (1), pulleys (8) are movably connected to the front side of each first connecting rod (7), second connecting grooves (9) are formed in the left side and the right side of the lower die (2), a die core (10) is formed in the middle of the upper surface of each second connecting groove (9), a top die hole (11) is formed in the center of each die core (10), second connecting rods (12) are fixedly connected to the left side and the right side of the lower die (2), a locking rod (13) is movably connected to the front side of each second connecting rod (12), a reset spring (14) is fixedly installed between each locking rod (13) and each second connecting groove (9), a first supporting rod (15) is in threaded connection with the top of the lower die (2), a third connecting groove (16) is formed in the bottom of the movable die (3), the equal fixedly connected with locking block in removal mould (3) left and right sides, top mould (4) top threaded connection has second bracing piece (17) and top mould pole (18).
2. The light guide plate injection mold according to claim 1, wherein: first bracing piece (15) bottom threaded connection is in lower mould (2) top, first bracing piece (15) top swing joint is inside first connecting groove (5).
3. The light guide plate injection mold according to claim 1, wherein: the bottom of the second support rod (17) is in threaded connection with the top of the top die (4), and the top of the second support rod (17) is movably connected inside the third connecting groove (16).
4. The light guide plate injection mold according to claim 1, wherein: the top of the top mold rod (18) has the same structure as the top mold hole (11).
5. The light guide plate injection mold according to claim 1, wherein: one end of the reset spring (14) is fixedly connected to the outer wall of the locking rod (13), and the other end of the reset spring is fixedly connected to the outer wall of the second connecting groove (9).
6. The light guide plate injection mold according to claim 1, wherein: the outer wall of the locking rod (13) is in contact with the outer wall of the pulley (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022820972.9U CN214163821U (en) | 2020-11-30 | 2020-11-30 | Light guide plate injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022820972.9U CN214163821U (en) | 2020-11-30 | 2020-11-30 | Light guide plate injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214163821U true CN214163821U (en) | 2021-09-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN202022820972.9U Active CN214163821U (en) | 2020-11-30 | 2020-11-30 | Light guide plate injection mold |
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| CN (1) | CN214163821U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115042389A (en) * | 2022-07-18 | 2022-09-13 | 深圳科利盟精密有限公司 | Light guide plate injection molding mold |
-
2020
- 2020-11-30 CN CN202022820972.9U patent/CN214163821U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115042389A (en) * | 2022-07-18 | 2022-09-13 | 深圳科利盟精密有限公司 | Light guide plate injection molding mold |
| CN115042389B (en) * | 2022-07-18 | 2023-11-28 | 深圳科利盟精密有限公司 | Injection molding die for light guide plate |
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