CN215039819U

CN215039819U - Backlight injection mould

Info

Publication number: CN215039819U
Application number: CN202121393247.6U
Authority: CN
Inventors: 陈建国; 曹海勤; 曹海龙
Original assignee: Xiamen Wanhuida Electronic Technology Co ltd
Current assignee: Xiamen Wanhuida Electronic Technology Co ltd
Priority date: 2021-06-23
Filing date: 2021-06-23
Publication date: 2021-12-07
Anticipated expiration: 2031-06-23

Abstract

The utility model discloses a backlight injection mould, which comprises a fixed mould seat plate, a fixed mould core, a movable mould plate, an ejector pin plate, a pair of mould feet, a movable mould seat plate, a sprue bush, a reset rod and a reset spring, wherein the fixed mould core is embedded at the bottom of the fixed mould plate, a fixed mould cavity is arranged in the fixed mould core, the movable mould core is positioned under the fixed mould core and is embedded at the top of the movable mould plate, a movable mould cavity is arranged in the movable mould core, and the fixed mould cavity and the movable mould cavity are combined and then completely matched with the size, the shape and the structure of a backlight to be injected; the four-injection mold has the advantages of high production efficiency, low equipment cost, high utilization rate of waste-free materials and low material cost, and can effectively meet the requirement of mass production.

Description

Backlight injection mould

Technical Field

The utility model belongs to the photoelectricity field, in particular to an injection mould for backlight.

Background

The backlight source structure is as shown in fig. 4, when manufacturing, a plate with a larger size is cut into a required shape generally by a laser cutting mode, and the laser cutting mode can meet certain production requirements, but has a large defect that only one plate can be cut at a time, so that the production efficiency is low, the laser equipment cost is high, the cutting waste materials are large, the material utilization rate is low, the material cost is high, and the requirement of mass production cannot be effectively met.

The to-be-solved technical problem of the utility model is to provide a go out four, production efficiency is high, equipment cost is low, no waste material high-usage, material cost low, effectively satisfy the backlight injection mould of mass production demand.

SUMMERY OF THE UTILITY MODEL

For solving above-mentioned prior art once only can cut a slice, production efficiency is low, laser equipment is with high costs, the waste material of cutting is many, material utilization is low, material cost is high, can't effectively satisfy mass production demand scheduling problem, the utility model discloses a following technical scheme:

the utility model provides a backlight injection mould, which comprises a fixed mould base plate, a fixed mould core, a movable mould plate, an ejector pin plate, a pair of mould feet, a movable mould base plate, a sprue bush, a reset rod and a reset spring, wherein the fixed mould plate is fastened at the bottom of the fixed mould base plate through bolts, an upper runner is arranged at one side of the fixed mould base plate, the fixed mould core is embedded at the bottom of the fixed mould plate, a fixed mould cavity is arranged in the fixed mould core, the upper runner extends into the fixed mould cavity, the movable mould core is positioned under the fixed mould core and is embedded at the top of the movable mould plate, a movable mould cavity is arranged in the movable mould core, the fixed mould cavity and the movable mould cavity are combined and then completely matched with the size, shape and structure of a backlight to be injected, a lower runner is arranged at one side of the movable mould plate and extends into the movable mould cavity, the movable mould plate is fixed above the movable mould base plate through the pair of mould feet, the bottom of the ejector pin is fixed on the ejector plate, the top of the ejector pin extends upwards to sequentially penetrate through the movable mould plate and the movable mould core until the movable mould cavity, the sprue bush is fixedly arranged on one side of the bottom of the fixed mould base plate, the bottom of the sprue bush is communicated with the upper flow channel and the lower flow channel respectively, the bottom of the reset rod is fixed on the mould foot, the top of the reset rod extends upwards to penetrate through the movable mould plate until the fixed mould plate, and the reset spring is sleeved on the reset rod.

The beneficial effects of the utility model reside in that: the four-injection mold has the advantages of high production efficiency, low equipment cost, high utilization rate of waste-free materials and low material cost, and can effectively meet the requirement of mass production.

Drawings

Fig. 1 is a schematic view of a forward structure of a mold frame according to an embodiment of the present invention.

Fig. 2 is a schematic diagram of the lateral structure of the mold frame of the present invention.

Fig. 3 is a schematic perspective view of the present invention.

Fig. 4 is a diagram of a product to be injection-molded in the present invention.

Fig. 5 is a top view of the middle fixed mold part of the present invention.

Fig. 6 is a partial top view of the middle moving mold of the present invention.

Detailed Description

The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

Referring to fig. 1 to 3, a backlight injection mold comprises a fixed mold base plate 1, a fixed mold plate 2, a fixed mold core 3, a movable mold core 4, a movable mold plate 5, an ejector pin 6, an ejector pin plate 7, a pair of mold feet 7, a movable mold base plate 8, a sprue bush 10, a reset rod 11 and a reset spring 12, wherein the fixed mold plate 2 is fastened at the bottom of the fixed mold base plate through bolts, an upper runner 21 is arranged at one side of the fixed mold plate, the fixed mold core is embedded at the bottom of the fixed mold plate, a fixed mold cavity 31 is arranged in the fixed mold core 3, the upper runner extends into the fixed mold cavity, which belongs to the fixed mold part, referring to fig. 5, the lower part is a movable mold part, fig. 6, the movable mold core 4 is positioned right below the fixed mold core and is embedded at the top of the movable mold plate, a movable mold cavity 41 is arranged in the movable mold core 4, the fixed mold cavity and the movable mold cavity are combined and completely matched with the size, shape and structure of a backlight to be injected, a lower runner 51 is arranged at one side of the movable mold plate 5 and extends into the movable mold cavity, the movable mould plate is fixed above the movable mould base plate through a pair of mould feet, the ejector plate is fixed in the middle of the movable mould base plate, the bottom of the ejector pin is fixed on the ejector plate, the top of the ejector pin extends upwards to sequentially pass through the movable mould plate and the movable mould core to the movable mould cavity, the sprue bush is fixedly arranged on one side of the bottom of the fixed mould base plate, the bottom of the sprue bush is respectively communicated with the upper runner and the lower runner, the bottom of the reset rod is fixed on the mould feet, the top of the reset rod extends upwards to pass through the movable mould plate to the fixed mould plate, the reset spring is sleeved on the reset rod, during operation, an injection mould is closed through the injection mould machine, injection materials are respectively injected into the mould cavity through the upper runner and the lower runner from the sprue bush to be molded, the injection mould drives the movable mould part to be opened after molding, products are attached to the movable mould, the ejector pins are pushed by the pushing mechanism of the machine to automatically fall off, four products are injection molded once, the products are closed again through the reset spring after being taken down, the above steps are repeated subsequently, and are not repeated herein.

The above embodiments and drawings are not intended to limit the form and style of the present invention, and any suitable changes or modifications made by those skilled in the art should not be construed as departing from the scope of the present invention.

Claims

1. The utility model provides a backlight injection mould which characterized in that: the injection molding die comprises a fixed die base plate (1), a fixed die plate (2), a fixed die core (3), a movable die core (4), a movable die plate (5), an ejector pin (6), an ejector pin plate (7), a pair of die feet (8), a movable die base plate (9), a sprue bush (10), a reset rod (11) and a reset spring (12), wherein an upper runner (21) is arranged at the bottom and one side of the fixed die base plate (1) in a bolt fastening mode of the fixed die plate (2), the fixed die core (3) is embedded at the bottom of the fixed die plate (2), a fixed die cavity (31) is arranged in the fixed die core (3), the upper runner (21) extends into the fixed die cavity (31), the movable die core (4) is positioned under the fixed die core (3) and is embedded at the top of the movable die plate (5), a movable die cavity (41) is arranged in the movable die core (4), and the fixed die cavity (31) and the movable die cavity (41) are combined and then are subjected to injection molding with a backlight source with a size, Shape, structure match completely, movable mould board (5) one side is equipped with runner (51) down and extends to in movable mould chamber (41), movable mould board (5) are fixed in movable mould bedplate (9) top through a pair of die leg (8), thimble board (7) are fixed at movable mould bedplate (9) middle part, thimble (6) bottom is fixed on thimble board (7), the top upwards extends and passes movable mould board (5), movable mould benevolence (4) until movable mould chamber (41) in proper order, runner cover (10) set firmly on fixed mould bedplate (1) bottom one side and bottom respectively with last runner (21), lower runner (51) intercommunication, reset rod (11) bottom is fixed on die leg (8), the top upwards extends through movable mould board (5) until fixed die plate (2), reset spring (12) cover is established on reset rod (11).