CN216885009U

CN216885009U - Efficient light guide plate injection moulding mould

Info

Publication number: CN216885009U
Application number: CN202220584442.5U
Authority: CN
Inventors: 李明雄; 李清; 成冰
Original assignee: Shenzhen Ruiyang Optoelectronics Co ltd
Current assignee: Shenzhen Ruiyang Optoelectronics Co ltd
Priority date: 2022-03-17
Filing date: 2022-03-17
Publication date: 2022-07-05
Anticipated expiration: 2032-03-17

Abstract

The utility model belongs to the technical field of light guide plate injection molding, and discloses an efficient light guide plate injection molding mold, which comprises a bottom plate, wherein a support is connected above the bottom plate in a sliding manner, one side of the support is rotatably connected with a rotating wheel, three mold bodies are fixedly connected onto the rotating wheel, each mold body comprises a fixed plate and a movable plate, one side of each movable plate is fixedly connected with a support rod, one end of each support rod is fixedly connected with a movable mold plate, one side of each fixed plate is fixedly connected with a fixed mold plate, a vertical plate is fixedly connected above the bottom plate, and a spray pipe is arranged on each vertical plate, after a sizing material enters a cavity through the spray pipe on the vertical plate and is completely filled, the rotating wheel rotates by 120 degrees, so that the next mold body is aligned to the position of the spray pipe for injection molding, and the last mold body enters a cooling stage, so that the structure can realize continuous injection molding work, the influence of the cooling time on the processing efficiency is reduced, thereby improving the yield and increasing the economic benefit.

Description

Efficient light guide plate injection moulding mould

Technical Field

The utility model belongs to the technical field of light guide plate injection molding, and particularly relates to an efficient light guide plate injection molding mold.

Background

The light guide plate is characterized in that light guide points are printed on the bottom surface of the optical acrylic plate by using an optical acrylic plate and then using a high-tech material with extremely high reflectivity and no light absorption through a UV screen printing technology; in the prior art, the common production and manufacturing techniques of the light guide plate include direct injection molding and secondary processing on a finished plate, wherein the injection molding has obvious advantages that the injection molding technique is irreplaceable due to the fact that the used raw material is organic resin particles and the secondary processing cost is lower compared with that of the finished plate.

But the cooling drawing of patterns need be carried out to light guide plate injection moulding mould on the existing market after the sizing material is moulded plastics, and cooling time leads to injection moulding process to go on in succession, and then causes very big influence to holistic production efficiency, and current mould die cavity generally directly forms by movable mould board and fixed die plate in addition, and the die cavity size is fixed unchangeable, needs to design the mould of many sets of specifications according to the thickness of light guide plate, and each set of mould can only the light guide plate of fixed thickness of shaping, and consequently the mould cost of enterprise's cost is higher.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an efficient light guide plate injection molding mold, and aims to solve the problems that the existing light guide plate injection molding mold in the background art cannot perform continuous injection molding, the size of a cavity of the existing mold is fixed, and the existing mold cannot adapt to thickness adjustment.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an efficient light guide plate injection moulding mould, includes the bottom plate, the top sliding connection of bottom plate has the support, one side of support is rotated and is connected with the runner, the three mould body of fixedly connected with on the runner, the mould body is including deciding board and movable plate, one side fixedly connected with branch of movable plate, the one end fixedly connected with movable mould board of branch, one side fixedly connected with fixed mould board of deciding the board, and the top fixedly connected with riser of bottom plate, install the spray tube on the riser.

Preferably, the fixed die plate is provided with a sliding chute, the sliding connection inside the sliding chute is provided with a rotary sleeve, the rotary sleeve is connected inside a screw rod in a rotary closing manner, and one end of the screw rod is fixedly connected with a knob.

Preferably, sliding connection has the roof on the branch, one side fixedly connected with thimble of roof, the thimble runs through the movable mould board, and is provided with the spring between thimble and the movable mould board.

Preferably, the top of bottom plate rotates and is connected with the carousel, be connected with the ejector pin on the carousel, the bar groove has been seted up to the one end of ejector pin, and the other end and support fixed connection, and seted up the recess on the bottom plate, the inside of recess is provided with the bracing piece, and the support slides on the bracing piece.

Preferably, a runner pipe is arranged on one side of the top plate, and a heating jacket is arranged on the circumferential surface of the runner pipe.

Preferably, the movable mould plate and the fixed mould plate are provided with cooling water channels.

Compared with the prior art, the utility model has the beneficial effects that:

(1) the mould body of the utility model is composed of a fixed plate, a movable plate and other parts, the movable plate moves along with the movable plate and enters the fixed plate on the fixed plate to form a cavity, when molten rubber enters the cavity through a spray pipe on a vertical plate and is completely filled, the rotating wheel rotates by 120 degrees, so that the next mould body is aligned to the position of the spray pipe for injection moulding, and the previous mould body enters a cooling stage.

(2) According to the utility model, the knob is rotated to drive the screw rod to rotate, so that the rotary sleeve connected with the screw rod in a rotating manner moves along the sliding groove, the distance of the rotary sleeve exceeding the fixed template is adjusted according to needs, and the injection molding thickness of the light guide plate can be adjusted, thereby meeting the processing requirements of different thicknesses and reducing the cost of an enterprise mold.

Drawings

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

FIG. 2 is a schematic structural view of the die body according to the present invention;

FIG. 3 is a top view of the present invention;

FIG. 4 is a schematic structural view of the rotor of the present invention;

FIG. 5 is a schematic view of the structure of the swivel nut of the present invention;

FIG. 6 is an enlarged view of a portion of FIG. 2 at A;

in the figure: 1. a base plate; 2. a support; 3. a rotating wheel; 4. a mold body; 5. a vertical plate; 6. a nozzle; 7. fixing a plate; 8. a movable plate; 9. a strut; 10. moving the template; 11. fixing a template; 12. a top plate; 13. a thimble; 14. a spring; 15. a cooling water channel; 16. a runner pipe; 17. heating a jacket; 18. a chute; 19. screwing a sleeve; 20. a screw; 21. a knob; 22. a turntable; 23. a top rod; 24. a strip-shaped groove; 25. a groove; 26. a support rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides the following technical solutions: the utility model provides an efficient light guide plate injection moulding mould, comprising a base plate 1, the top sliding connection of bottom plate 1 has support 2, one side of support 2 is rotated and is connected with runner 3, three mould body 4 of fixedly connected with on the runner 3, mould body 4 includes fixed plate 7 and movable plate 8, one side fixedly connected with branch 9 of movable plate 8, the one end fixedly connected with movable mould board 10 of branch 9, one side fixedly connected with fixed mould board 11 of fixed plate 7, and the top fixedly connected with riser 5 of bottom plate 1, install spray tube 6 on the riser 5, movable mould board 10 removes along with movable plate 8, get into in the fixed mould board 11 on the fixed plate 7, form the die cavity, after fused sizing material gets into the die cavity through spray tube 6 on riser 5 and fills completely, runner 3 rotates 120 degrees, make next mould body 4 aim at the position at spray tube 6 place, mould plastics.

Further, seted up spout 18 on the fixed die plate 11, the inside sliding connection of spout 18 has revolves cover 19, revolves the inside of closing and is connected with screw rod 20 soon of cover 19, and one end fixedly connected with knob 21 of screw rod 20 drives screw rod 20 rotatory through rotating knob 21 for revolve the cover 19 of revolving that closes the connection with screw rod 20 and remove along spout 18, the cover 19 of revolving of adjusting as required surpasss the distance of fixed die plate 11, can adjust the thickness that the light guide plate was moulded plastics.

Further, a top plate 12 is slidably connected to the supporting rod 9, a thimble 13 is fixedly connected to one side of the top plate 12, the thimble 13 penetrates through the movable mold plate 10, a spring 14 is arranged between the thimble 13 and the movable mold plate 10, after the mold body 4 is cooled, the fixed mold plate 11 is separated from the movable mold plate 10, the top plate 12 drives the thimble 13 along the supporting rod 9 to overcome the reaction force of the spring 14, the light guide plate is separated from the mold, and then the thimble 13 is reset under the action of the spring 14.

Further, bottom plate 1's top is rotated and is connected with carousel 22, be connected with ejector pin 23 on the carousel 22, bar groove 24 has been seted up to ejector pin 23's one end, the other end and 2 fixed connection of support, and seted up recess 25 on the bottom plate 1, the inside of recess 25 is provided with bracing piece 26, and support 2 slides on bracing piece 26, carousel 22 accessible ejector pin 23 and bar groove 24 on the bottom plate 1, make support 2 make reciprocal linear motion along the inside bracing piece 26 of recess 25, the cooperation motion of this structure and runner 3, make runner 3 when rotating, avoid taking place to interfere between mould body 4 and the spray tube 6, lead to the damage of each spare part.

Furthermore, a sprue pipe 16 is arranged on one side of the fixed plate 7, a heating sleeve 17 is arranged on the circumferential surface of the sprue pipe 16, molten rubber enters the cavity through the sprue pipe 16, and after the sprue pipe 16 is separated from the spray pipe 6, the rubber in the sprue pipe can be prevented from being solidified under the action of the heating sleeve 17, so that the blockage of a pouring gate is avoided.

Furthermore, the movable mold plate 10 and the fixed mold plate 11 are provided with cooling water channels 15, the cooling water channels 15 mainly function to cool the light guide plate in the mold cavity, so that the light guide plate can be demolded more quickly and completely, and the movable mold plate 10 and the fixed mold plate 11 are cooled simultaneously, so that the overall temperature of materials in the mold cavity is uniformly changed, and the quality of products is ensured.

The working principle and the using process of the utility model are as follows: when the utility model is used, the movable mould plate 10 moves along with the movable plate 8 and enters the fixed mould plate 11 on the fixed plate 7 to form a cavity, after molten rubber material enters the cavity through the spray pipe 6 on the vertical plate 5 and is completely filled, the rotating wheel 3 rotates by 120 degrees to ensure that the next mould body 4 is aligned to the position of the spray pipe 6 for injection moulding, the previous mould body 4 enters a cooling stage through the cooling water channel 15, the rotary disc 22 on the bottom plate 1 can pass through the ejector rod 23 and the strip-shaped groove 24 to ensure that the support 2 makes reciprocating linear motion along the support rod 26 inside the groove 25, the heating sleeve 17 can heat the residual rubber material in the runner pipe 16 to prevent the rubber material from being solidified to cause runner blockage, after the mould body 4 is cooled, the fixed mould plate 11 is separated from the movable mould plate 10, the top plate 12 drives the thimble 13 along the support rod 9 to overcome the reaction force of the spring 14, and separate the light guide plate from the mould, subsequently, under the action of the spring 14, the thimble 13 is reset, and the screw 20 is driven to rotate by rotating the knob 21, so that the rotary sleeve 19 which is screwed and connected with the screw 20 moves along the sliding groove 18, the distance that the rotary sleeve 19 exceeds the fixed die plate 11 is adjusted as required, and the injection molding thickness of the light guide plate can be adjusted.

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.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an efficient light guide plate injection moulding mould which characterized in that: including bottom plate (1), the top sliding connection of bottom plate (1) has support (2), one side of support (2) is rotated and is connected with runner (3), three mould body (4) of fixedly connected with are gone up in runner (3), mould body (4) are including fixed plate (7) and movable plate (8), one side fixedly connected with branch (9) of movable plate (8), the one end fixedly connected with movable mould board (10) of branch (9), one side fixedly connected with fixed mould board (11) of fixed plate (7), and top fixedly connected with riser (5) of bottom plate (1), install spray tube (6) on riser (5).

2. The efficient light guide plate injection mold according to claim 1, wherein: the fixed die plate (11) is provided with a sliding groove (18), the sliding groove (18) is connected with a rotary sleeve (19) in a sliding mode, the rotary sleeve (19) is connected with a screw rod (20) in a rotating mode, and one end of the screw rod (20) is fixedly connected with a knob (21).

3. The efficient light guide plate injection mold according to claim 2, wherein: the improved ejector pin is characterized in that a top plate (12) is connected to the support rod (9) in a sliding mode, a thimble (13) is fixedly connected to one side of the top plate (12), the thimble (13) penetrates through the movable die plate (10), and a spring (14) is arranged between the thimble (13) and the movable die plate (10).

4. The efficient light guide plate injection mold according to claim 3, wherein: the top of bottom plate (1) is rotated and is connected with carousel (22), be connected with ejector pin (23) on carousel (22), bar groove (24) have been seted up to the one end of ejector pin (23), and the other end and support (2) fixed connection, and set up on bottom plate (1) fluted (25), the inside of recess (25) is provided with bracing piece (26), and support (2) slide on bracing piece (26).

5. The efficient light guide plate injection mold according to claim 4, wherein: a pouring channel pipe (16) is arranged on one side of the fixed plate (7), and a heating sleeve (17) is arranged on the circumferential surface of the pouring channel pipe (16).

6. The efficient light guide plate injection mold according to claim 5, wherein: and cooling water channels (15) are formed in the movable template (10) and the fixed template (11).