CN215472755U

CN215472755U - High-precision injection mold for car lamp

Info

Publication number: CN215472755U
Application number: CN202121494141.5U
Authority: CN
Inventors: 丰硕; 刘文雄
Original assignee: Suzhou Fengshuo Die Co ltd
Current assignee: Suzhou Fengshuo Die Co ltd
Priority date: 2021-07-02
Filing date: 2021-07-02
Publication date: 2022-01-11
Anticipated expiration: 2031-07-02

Abstract

The utility model discloses a high-precision injection mold for a car lamp, which belongs to the technical field of vehicle accessory production and comprises a table body, a lower mold and an upper mold, wherein the lower mold is fixedly arranged at the middle position of the upper surface of the table body, a frame is fixedly arranged on the upper surface of the table body, a cylinder is fixedly arranged at the middle position of the upper surface of the frame, the extending end of the cylinder is fixedly connected with the upper surface of the upper mold, the upper mold is positioned right above the lower mold, guide rods are fixedly arranged at four corners of the upper surface of the table body, moving plates are fixedly arranged at two sides of the upper mold and are sleeved on the guide rods, when the high-precision injection mold is used, the guide performance during mold opening and mold closing is improved through the guide rods and positioning blocks, the positioning blocks are adsorbed through electromagnets, the sealing performance during mold closing is improved, the injection precision is improved, and an eccentric wheel is driven by a motor to rotate, so that the table body slightly vibrates to facilitate the vibration of bubbles, thereby improving the injection molding effect.

Description

High-precision injection mold for car lamp

Technical Field

The utility model relates to an injection mold, in particular to a high-precision injection mold for a car lamp, and belongs to the technical field of production of vehicle accessories.

Background

The car light is a lamp on the vehicle, is a tool for illuminating the road when the vehicle runs at night, is also a prompting tool for sending various vehicle running signals, when the car lamp is produced, the injection mold can be used for injection molding, the injection molding method has the advantages of high production speed, high efficiency, automation operation, various designs and colors, simple and complex shapes, large and small sizes, easy update and generation of products, capability of forming parts with complex shapes, suitability for the molding processing fields of mass production, products with complex shapes and the like, but when the existing injection mold is used for producing the car lamp, after the completion of the processing, bubbles may remain in the molten solution, which may cause a decrease in accuracy and an influence on the quality of injection molding, and when moulding plastics, also can lead to going up mould and lower mould when the compound die, the laminating power is less, can influence the precision of processing, inconvenient use.

SUMMERY OF THE UTILITY MODEL

The present invention has been made to solve the above problems, and an object of the present invention is to provide a high-precision injection mold for a vehicle lamp, which can vibrate out bubbles during injection, and improve the accuracy by improving the bonding effect between an upper mold and a lower mold.

The utility model achieves the purpose through the following technical scheme, and the high-precision injection mold for the car lamp comprises a table body, a lower mold and an upper mold, wherein the lower mold is fixedly installed at the middle position of the upper surface of the table body, a frame is fixedly installed on the upper surface of the table body, an air cylinder is fixedly installed at the middle position of the upper surface of the frame, the extending end of the air cylinder is fixedly connected with the upper surface of the upper mold, the upper mold is positioned right above the lower mold, four corners of the upper surface of the table body are fixedly provided with guide rods, two sides of the upper mold are fixedly provided with movable plates, and the movable plates are sleeved on the guide rods.

Preferably, in order to facilitate the moving of the moving plate on the guide rod, the upper end of the guide rod is fixedly connected with the frame, guide holes are formed in both ends of the moving plate, and the moving plate is sleeved on the guide rod through the guide holes.

Preferably, in order to improve the stability of the lower die and the upper die during die assembly, limiting plates are fixedly mounted on two sides of the lower die, a positioning block is fixedly mounted in the middle of the lower surface of the moving plate, and the positioning block is inserted into the limiting plates.

Preferably, in order to facilitate the insertion of the positioning block, the limiting plate is provided with a positioning hole, and the positioning block is inserted into the positioning hole of the limiting plate.

Preferably, in order to facilitate the adsorption of the positioning block, an electromagnet is fixedly mounted on the upper surface of the table body under the positioning hole, the positioning block is made of a magnetic material, and the electromagnet is adsorbed on the positioning block.

Preferably, in order to facilitate the right the table body shakes, shakes out the bubble, the equal fixed mounting in both ends of the lower surface both sides of the table body has the motor, just the equal fixed mounting in output of motor has the eccentric wheel.

Preferably, in order to facilitate injection molding and exhaust, an injection port and an exhaust port are uniformly and fixedly mounted on the upper surface of the upper die.

The utility model has the beneficial effects that: when using, through guide bar and locating piece, improve the guidance quality when die sinking and compound die, and adsorb the locating piece through the electro-magnet, improve the leakproofness when the compound die, improve the precision of moulding plastics, and drive the eccentric wheel through the motor and rotate for the table body shakes slightly, is convenient for shake out the bubble, and then improves the effect of moulding plastics.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention when the mold is opened.

Fig. 2 is a schematic view of the overall structure of the present invention when the mold is closed.

Fig. 3 is a schematic structural view of an upper mold in the present invention.

Fig. 4 is a schematic structural view of a lower die in the present invention.

In the figure: 1. the table comprises a table body, 2, a lower die, 3, an upper die, 4, a frame, 5, a cylinder, 6, a guide rod, 7, a moving plate, 8, a guide hole, 9, a limiting plate, 10, a positioning block, 11, a positioning hole, 12, an electromagnet, 13, a motor, 14, an eccentric wheel, 15, an injection molding port, 16 and an exhaust port.

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. 1-4, a high-precision injection mold for a vehicle lamp includes a table body 1, a lower mold 2 and an upper mold 3, the lower mold 2 is fixedly installed at a middle position of an upper surface of the table body 1, a frame 4 is fixedly installed on the upper surface of the table body 1, a cylinder 5 is fixedly installed at a middle position of the upper surface of the frame 4, an extending end of the cylinder 5 is fixedly connected with an upper surface of the upper mold 3, the upper mold 3 is located right above the lower mold 2, four corners of the upper surface of the table body 1 are fixedly installed with guide rods 6, and two sides of the upper mold 3 are fixedly installed with movable plates 7, the movable plates 7 are sleeved on the guide rods 6, injection ports 15 and exhaust ports 16 are uniformly and fixedly installed on the upper surface of the upper mold 3, when in use, the cylinder 5 is opened to push the upper mold 3 to move downwards, and when moving, as the movable plates 7 are sleeved on the guide rods 6, the guidance of the upper mold 3 is improved when moving, and further, the upper die 3 and the lower die 2 are convenient to be attached, and the tightness during die assembly is improved.

As a technical optimization scheme of the present invention, as shown in fig. 3, the upper end of the guide rod 6 is fixedly connected to the frame 4, the two ends of the moving plate 7 are both provided with guide holes 8, and the moving plate 7 is sleeved on the guide rod 6 through the guide holes 8, so that the moving plate 7 can move along the guide rod 6 through the guide holes 8.

As a technical optimization scheme of the utility model, as shown in fig. 1, limiting plates 9 are fixedly mounted on both sides of a lower die 2, a positioning block 10 is fixedly mounted at the middle position of the lower surface of a moving plate 7, the positioning block 10 is inserted into the limiting plate 9, a positioning hole 11 is formed in the limiting plate 9, the positioning block 10 is inserted into the positioning hole 11 formed in the limiting plate 9, and when an upper die 3 and the lower die 2 are closed, the positioning block 10 is inserted into the positioning hole 11, so that the deviation is avoided, and the die closing effect is further improved.

As a technical optimization scheme of the utility model, as shown in fig. 1, an electromagnet 12 is fixedly installed on the upper surface of a table body 1 under a positioning hole 11, a positioning block 10 is made of a magnetic material, the electromagnet 12 and the positioning block 10 are attracted to each other by 2, and after die assembly is performed, the electromagnet 12 is turned on to enable the electromagnet 12 to adsorb the positioning block 10, so that the stability after die assembly is improved, and a gap between a lower die 2 and an upper die 3 due to high pressure applied during injection molding is avoided.

As a technical optimization scheme of the utility model, as shown in fig. 1, two ends of two sides of the lower surface of the table body 1 are both fixedly provided with a motor 13, and an output end of the motor 13 is both fixedly provided with an eccentric wheel 14, after the injection molding is completed, the motor 13 is started, so that the motor 13 drives the eccentric wheel 14 to rotate, further the table body 1 slightly vibrates, further the upper die 3 and the lower die 2 are conveniently driven to vibrate, bubbles are vibrated out, and the precision of an injection molding product is improved.

When the utility model is used, the cylinder 5 is firstly opened to enable the cylinder 5 to push the upper die 3 to move downwards, and when the cylinder is moved, the movable plate 7 is sleeved on the guide rod 6 to improve the guidance of the upper die 3 when the cylinder is moved, so that the upper die 3 is convenient to be attached to the lower die 2, the tightness when the die is closed is improved, when the upper die 3 and the lower die 2 are closed, the movable plate 7 moves downwards to enable the positioning block 10 to be inserted into the positioning hole 11 on the limiting plate 9, and after the positioning block 10 is inserted into the positioning hole 11, the deviation between the upper die and the lower die is avoided, the die closing effect is further improved, after the die is closed, the electromagnet 12 is opened to enable the electromagnet 12 to adsorb the positioning block 10, the stability after the die is closed is improved, the gap between the lower die 2 and the upper die 3 is avoided due to high pressure when the die is injected, and after the injection is finished, the motor 13 is started, so that the motor 13 drives the eccentric wheel 14 to rotate, the table body 1 slightly vibrates, the upper die 3 and the lower die 2 are conveniently driven to vibrate, bubbles are vibrated out, and the precision of injection molding products is improved.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a high accuracy injection mold for car light, includes the table body (1), lower mould (2) and last mould (3), its characterized in that: lower mould (2) fixed mounting be in the upper surface intermediate position of the table body (1), just the upper surface fixed mounting of the table body (1) has frame (4), the upper surface intermediate position fixed mounting of frame (4) has cylinder (5), stretch out the end of cylinder (5) with the upper surface looks fixed connection of last mould (3), it is located to go up mould (3) directly over lower mould (2), the equal fixed mounting in upper surface four corners of the table body (1) has guide bar (6), just the equal fixed mounting in both sides of last mould (3) has movable plate (7), movable plate (7) cup joint on guide bar (6).

2. The high-precision injection mold for the vehicle lamp according to claim 1, characterized in that: the upper end of the guide rod (6) is fixedly connected with the frame (4), guide holes (8) are formed in the two ends of the moving plate (7), and the moving plate (7) is sleeved on the guide rod (6) through the guide holes (8).

3. The high-precision injection mold for the vehicle lamp according to claim 1, characterized in that: limiting plates (9) are fixedly mounted on two sides of the lower die (2), positioning blocks (10) are fixedly mounted in the middle of the lower surface of the moving plate (7), and the positioning blocks (10) are inserted into the limiting plates (9).

4. The high-precision injection mold for the vehicle lamp according to claim 3, characterized in that: the limiting plate (9) is provided with a positioning hole (11), and the positioning block (10) is inserted into the positioning hole (11) in the limiting plate (9).

5. The high-precision injection mold for the vehicle lamp according to claim 4, characterized in that: the table is characterized in that an electromagnet (12) is fixedly mounted on the upper surface of the table body (1) and located under the positioning hole (11), the positioning block (10) is made of a magnetic material, and the electromagnet (12) and the positioning block (10) are adsorbed.

6. The high-precision injection mold for the vehicle lamp according to claim 1, characterized in that: the both ends of the lower surface both sides of the table body (1) are all fixed mounting have motor (13), just the equal fixed mounting of output of motor (13) has eccentric wheel (14).

7. The high-precision injection mold for the vehicle lamp according to claim 1, characterized in that: and an injection molding port (15) and an exhaust port (16) are uniformly and fixedly arranged on the upper surface of the upper die (3).