CN219522940U - Injection mold for producing HUD head-up display screen - Google Patents

Abstract

The utility model discloses an injection mold for producing a HUD head-up display screen, which belongs to the technical field of production and manufacture of the HUD head-up display screen and comprises a lower mold, an upper mold, a pump rod, an injection molding pipe, a molding groove, a jacking plate and an exhaust port, wherein the molding groove is arranged at the top of the lower mold, a gate groove is arranged at the position, close to the opening of the molding groove, of the lower mold, a gate plate is arranged in the gate groove in a sliding manner, the top of the gate plate is fixedly connected with a limiting plate, an air outlet groove communicated with the forming groove is arranged at the bottom of the inner wall of the forming groove, and an air duct is arranged at the inner wall of the air outlet groove.

Description

Injection mold for producing HUD head-up display screen

Technical Field

The utility model relates to the technical field of HUD head-up display screen production and manufacturing, in particular to an injection mold for producing a HUD head-up display screen.

Background

The HUD new line display screen is a device for driving assistance, through projection information and driving data, through the reflection of mirror surface, the driver is just ahead to final imaging, need not the driver and turns round to look over information, guarantee that the driver remains the place ahead of looking at all the time, reduce the tragedy emergence that the distraction appears because turning round and bring, HUD new line display screen is used on the aircraft at the earliest, along with the development of science and technology, the present wide application is used in the car driving, it is generally plastic housing, inside is equipped with light source equipment and projects the display structure and constitutes, when producing HUD new line display screen, need with its housing integrative injection moulding.

The patent publication number after examination is: the injection mold for the high-precision display shell assembly of the CN209666147U comprises a fixed mold, a movable mold and a cavity arranged between the fixed mold and the movable mold, wherein a sprue extending into the cavity is arranged on the fixed mold, and a sprue bush is arranged in the sprue; the sprue bush comprises a sprue layer piece arranged on the inner wall of the sprue and a plurality of sprue plate pieces arranged in the sprue layer piece, the sprue layer piece adopts an annular structure, and the sprue plate pieces are uniformly distributed along the circumferential direction of the sprue layer piece; by adopting the high-precision display shell assembly injection mold of the technical scheme, the overall precision of the display shell subjected to injection molding can be remarkably improved, and in the actual use process, the high-temperature molded plastic shell cannot be cooled and demoulded rapidly, so that the situation of adhesion with the mold is easy to occur, the damage of injection molding is caused, the yield of production is reduced, and the problems of unnecessary loss and production and manufacturing efficiency are solved.

Disclosure of Invention

The utility model aims to provide an injection mold for producing a HUD head-up display screen, which is used for solving the problems that an injection molding part provided in the background technology cannot be rapidly demolded and adhesion damage occurs.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

an injection mold for producing HUD new line display screen, includes lower mould, goes up mould, pump pole, injection pipe, shaping groove, jacking board and gas vent, the shaping groove is located the lower mould top, the sluice groove has been seted up to the lower mould position of being close to shaping groove open-ended relative both sides, the inside slide of sluice groove is equipped with the flashboard, flashboard top fixedly connected with limiting plate, the inner wall bottom of the relative sluice groove both sides of shaping groove has been seted up rather than the groove of giving vent to anger, the groove inner wall of giving vent to anger is equipped with the jet, lower mould external connection has the gas transmission pipeline to be connected with the jet.

As still further aspects of the utility model: the pump rod is connected to the top of the upper die through bolts, the injection molding pipe is inserted into the central position of the top of the upper die, the jacking plate is embedded into the lower die through the electric jacking rod and is close to the opposite inner part of the forming groove, and the exhaust port is arranged around the lower die and is communicated with the forming groove.

As still further aspects of the utility model: the ejector rods are welded below two ends of the limiting plate, which are far away from each other, ejector grooves are formed in the positions of the lower die, which are opposite to the ejector rods, the ejector rods are connected with the ejector grooves in a sliding mode, and springs are arranged between the bottom ends of the ejector rods and the inner groove walls of the bottoms of the ejector grooves.

As still further aspects of the utility model: the inner wall of the top groove is welded and connected with a sliding rod, and the sliding rod and the bottom end of the ejector rod penetrate and slide.

As still further aspects of the utility model: the side wall of one side of the lower die is embedded with two water gap connectors, a water pipe is inserted between the two water gap connectors, and the water pipe is arranged at the lower inner position of the lower die, which is close to the forming groove.

As still further aspects of the utility model: the outer side of the water pipe is provided with heat conducting fins, and the heat conducting fins are arranged on the inner groove wall of the lower die, which penetrates through the water pipe.

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

1. after injection molding is finished, the air jet in the embodiment directly jets air to the bottom of the injection molding piece in the mold to form an air knife effect, so that the injection molding piece is quickly separated from the mold groove body, the occurrence of adhesion is reduced, and the high efficiency and quality of injection molding production are ensured;

2. circulating water pipe and heat conduction fin in this embodiment, heat conduction fin carries out the heat conduction, carries out the heat exchange by the water pipe again, and quick pouring heat cools off the cooling, supplementary jet-propelled drawing of patterns promotes the efficiency and the quality of injection molding drawing of patterns.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic diagram of a side cross-sectional structure of the present utility model;

FIG. 3 is an enlarged schematic view of the structure of FIG. 2A according to the present utility model;

fig. 4 is an enlarged view of the structure of fig. 1 at B in the present utility model.

The correspondence between the reference numerals and the component names in the drawings is as follows:

1. a lower die; 2. an upper die; 3. a pump rod; 4. injection molding a tube; 5. a forming groove; 6. a jacking plate; 7. an exhaust port; 8. a brake slot; 9. a flashboard; 10. a limiting plate; 11. an air outlet groove; 12. an air jet; 13. a push rod; 14. a top groove; 15. a spring; 16. a slide bar; 17. a water gap joint; 18. a water pipe; 19. and a heat conduction fin.

Detailed Description

Please refer to fig. 1-4: an injection mold for producing a HUD head-up display screen comprises a lower mold 1, an upper mold 2, a pump rod 3, an injection molding pipe 4, a molding groove 5, a lifting plate 6 and an exhaust port 7, wherein the molding groove 5 is arranged at the top of the lower mold 1, the pump rod 3 is connected with the top of the upper mold 2 through bolts, the injection molding pipe 4 is inserted into the center position of the top of the upper mold 2, the lifting plate 6 is embedded into the lower mold 1 through an electric lifting rod and is close to the opposite inner part of the molding groove 5, the exhaust port 7 is arranged at the periphery of the lower mold 1 and is communicated with the molding groove 5, the pump rod 3 is driven by an oil pump to push the upper mold 2 to move to the lower mold 1 for combination, then raw materials are injected into the molding groove 5 through the injection molding pipe 4, excessive gas is discharged through the exhaust port 7, an injection molding piece is molded at a high temperature, the upper mold 2 is reset, and then the electric lifting rod periodically lifts the lifting plate 6 upwards to demold the injection molding piece, the gate groove 8 is arranged at the positions of two opposite sides of the lower die 1, which are close to the opening of the forming groove 5, the gate plate 9 is slidably arranged in the gate groove 8, the limiting plate 10 is fixedly connected to the top of the gate plate 9, the air outlet groove 11 which is communicated with the forming groove 5 is arranged at the bottom of the inner wall of the two sides of the forming groove 8, the air outlet groove 12 is arranged on the inner wall of the air outlet groove 11, the air transmission pipeline is connected with the air outlet groove 12 through the external connection of the lower die 1, the air outlet groove 11 is sealed through the sliding of the extrusion gate plate 9 in the gate groove 8 in the pressing process of the upper die 2, then injection molding raw materials enter into the air outlet groove 12 and cannot flow into the air outlet groove 12, after the separation of the high-temperature injection molding die is completed, the gate plate 9 is reset, and at the moment, the air knife can be blown to the contact position of the bottom of the injection molding piece and the forming groove 5 through the air outlet groove 12 through external inflation, so that the quick demolding can be realized, the occurrence of adhesion condition is reduced, and the quality of the injection molding piece is ensured.

The ejector slot 14 has been seted up to the top position that lower mould 1 is close to gate slot 8 both ends, ejector slot 14 sliding connection has ejector pin 13, ejector pin 13 fixed connection is in limiting plate 10 both ends below relative position, be equipped with spring 15 between ejector pin 13 bottom and the relative interior cell wall of ejector slot 14, ejector pin 13 bottom runs through and sliding connection has slide bar 16, slide bar 16 welded connection is between the upper and lower inner wall of ejector slot 14, after the mould is moulded plastics, go up mould 2 and lower mould 1 separation, spring 15 resilience is with ejector pin 13 to the ejector slot 14 outside promotion this moment, ejector pin 13 and slide bar 16 slip guarantee ejecting gliding stability simultaneously, can promote limiting plate 10 and flashboard 9 from the interior outside removal of gate slot 8 through ejector pin 13 at this moment and reset, make the more convenient high-efficient of course of working.

Example two

As shown in fig. 1-2, further improvements were made over example 1:

in order to further improve the cooling demoulding effect of the mould, the inner groove wall, which is close to the lower part of the forming groove 5, of the lower mould 1 is provided with heat conducting fins 19, the inner side of each heat conducting fin 19 is connected with a water pipe 18 in a penetrating way, two ends of each water pipe 18 penetrate through the side wall of the lower mould 1 and are provided with water gap joints 17, the water gap joints 17 are embedded in the side wall of the lower mould 1, after injection molding is completed, heat is absorbed and led out through the heat conducting fins 19, then a pipeline of external cooling water equipment is connected with the water gap joints 17, then the cooling water flow inlet pipe 18 circulates, cooling water in the water pipe 18 and the heat conducting fins 19 are subjected to rapid cooling and cooling through heat exchange, the cooling forming efficiency of injection molding pieces is further improved, and the risk of demoulding adhesion is reduced.

Working principle: when injection molding is carried out, the upper die 2 is pushed by the pump rod 3 of the pump machine, then the upper die 2 is pushed down to the upper side of the lower die 1, the limiting plate 10 is pushed down by the upper die 2, the gate plate 9 slides towards the inside of the gate slot 8 to close the air outlet slot 11, injection molding liquid is prevented from entering the air outlet slot 12, then raw material injection molding solution is injected into the molding slot 5 through the injection pipe 4, high-temperature injection molding is carried out through the die, high-temperature gas in the die is discharged through the air outlet 7 to prevent injection molding, after the molding is completed, the upper die 2 is lifted and reset, at the moment, the ejector rod 13 is pushed to move upwards from the inside of the ejector slot 14 by rebound of the spring 15, the ejector rod 13 pushes the limiting plate 10 to carry the gate plate 9 to reset upwards from the inside of the gate slot 8, at the moment, air is exposed out through the outside input air, high-pressure gas is sprayed out from the air outlet slot 12, the contact surface between the injection molding piece and the molding slot 5 is cut and separated through the air, meanwhile, cooling water is circulated through the pipe joint 17 and the water pipe 18 through the outside cooling equipment, heat generated by injection molding is absorbed in advance, and then the cooling fin 19 is pushed out through the cooling pipe 18, the cooling effect of the cooling water is carried out through the cooling air through the water pipe 18, namely the cooling effect is cooled by the ejector plate is cooled down by the ejector plate 1, after the injection molding is completed, and the injection molding is cooled by the ejector plate is cooled by the cooling plate and cooled by the ejector plate.

The foregoing description is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical solution of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (6)

1. An injection mold for producing HUD new line display screen, includes lower mould (1), goes up mould (2), pump pole (3), injection molding pipe (4), shaping groove (5), jacking board (6) and gas vent (7), lower mould (1) top, its characterized in that are located in shaping groove (5): the utility model discloses a gas-supply pipeline forming device, including lower mould (1), shaping groove (5), air outlet groove (11), lower mould (1), gas outlet groove (11) inner wall, lower mould (1) external connection has gas-supply pipeline and air jet (12) to be connected, lower mould (1) is close to shaping groove (5) open-ended relative both sides position and has seted up sluice (8), sluice (8) is equipped with to inside slip of (8), flashboard (9) top fixedly connected with limiting plate (10), shaping groove (5) inner wall bottom rather than link up of sluice (8) both sides has been seted up.

2. The injection mold for producing the HUD head-up display screen according to claim 1, wherein the pump rod (3) is connected to the top of the upper mold (2) through bolts, the injection molding pipe (4) is inserted into the central position of the top of the upper mold (2), the jacking plate (6) is embedded into the opposite inner part of the lower mold (1) close to the forming groove (5) through the electric jacking rod, and the exhaust port (7) is arranged around the lower mold (1) and is communicated with the forming groove (5).

3. The injection mold for producing the HUD head-up display screen according to claim 1, wherein ejector rods (13) are welded below two ends of the limiting plate (10) which are far away from each other, a top groove (14) is formed in the position of the lower mold (1) opposite to the ejector rods (13), the ejector rods (13) are in sliding connection with the top groove (14), and springs (15) are arranged between the bottom ends of the ejector rods (13) and the bottom inner groove walls of the top groove (14).

4. An injection mold for producing a HUD head-up display according to claim 3, wherein a sliding rod (16) is welded on the inner wall of the top groove (14), and the sliding rod (16) and the bottom end of the ejector rod (13) run through and slide.

5. An injection mould for producing a head-up display (HUD) according to claim 1, wherein two water gap joints (17) are embedded in one side wall of the lower mould (1), a water pipe (18) is inserted between the two water gap joints (17), and the water pipe (18) is arranged at the lower inner position of the lower mould (1) close to the forming groove (5).

6. An injection mould for producing a head-up display of a HUD according to claim 5, wherein the outside of the water pipe (18) is provided with heat conducting fins (19), and the heat conducting fins (19) are arranged on the inner groove wall of the lower mould (1) passing through the water pipe (18).