Injection mold for transparent mask of automobile reading lamp

Abstract

The utility model relates to an injection mold for a transparent mask of a vehicle reading lamp, which comprises a first panel and a second panel, a front mold is arranged in the first panel, a rear mold is arranged in the second panel, a front mold core is arranged in the front mold, a rear mold core is arranged in the rear mold, and a forming cavity is arranged between the front mold core and the rear mold core. A pouring hole groove communicating with the forming cavity is formed in the first panel and the front mold in a penetrating mode, an ejection mechanism communicating with the forming cavity is arranged between the second panel and the rear mold, and the ejection mechanism comprises an ejector pin plate, a first ejector pin assembly, a second ejector pin assembly and a third ejector pin assembly; the bottoms of the first ejector pin assembly, the second ejector pin assembly and the third ejector pin assembly are fixedly connected with the ejector pin plate, and the tops of the first ejector pin assembly, the second ejector pin assembly and the third ejector pin assembly are matched with all parts of the transparent mask. According to the injection mold, the demolding stability is improved, and the overall efficiency of equipment is also improved.

Description

Technical Field

[0001] The utility model relates to the field of injection molds, in particular to an injection mold for a transparent mask of a vehicle reading lamp. Background Art

[0002] The transparent mask is an important part of the car reading light. This part is used to transmit light so that the driver and passengers can read and find objects in the dark car. Since the transparent mask has a trapezoidal structure and a hollow middle part, the ejector assembly in the existing injection mold is prone to instability or tilting to one side when ejecting the transparent mask, which makes it impossible to cooperate with the next step of the unloading mechanism. Utility Model Content

[0003] Based on this, a transparent mask injection mold for a vehicle reading light is provided, and the injection mold can smoothly eject the transparent mask from the rear mold core, thereby improving the overall working efficiency of the equipment.

[0004] An injection mold for a transparent mask of a vehicle reading light comprises a first panel and a second panel, wherein a front mold is arranged in the first panel, and a rear mold is arranged in the second panel, the front mold and the rear mold are located between the first panel and the second panel and are in corresponding positions, a front mold core is arranged in the front mold, and a rear mold core is arranged in the rear mold, a molding cavity is arranged between the front mold core and the rear mold core, a casting hole groove connected to the molding cavity is arranged through the first panel and the front mold, an ejection mechanism connected to the molding cavity is arranged between the second panel and the rear mold, and the ejection mechanism is used to eject the transparent mask.

[0005] The ejection mechanism includes an ejector plate, a first ejector assembly, a second ejector assembly and a third ejector assembly. The bottoms of the first ejector assembly, the second ejector assembly and the third ejector assembly are respectively fixedly connected to the ejector plate, and the tops of the first ejector assembly, the second ejector assembly and the third ejector assembly are respectively extended into the rear mold core and located at one end of the molding cavity. The first ejector assembly is used to correspond to the outer ring of the transparent mask, the second ejector assembly is used to correspond to the middle part of both sides of the transparent mask, and the third ejector assembly is used to correspond to the inner ring of the transparent mask.

[0006] The above-mentioned injection mold for the transparent mask of the vehicle reading light has an ejection mechanism connected to the molding cavity between the second panel and the rear mold of the mold. The first ejector assembly, the second ejector assembly and the third ejector assembly of the ejector mechanism correspond to different parts of the injection-molded transparent mask respectively. The ejector plate can drive the first ejector assembly, the second ejector assembly and the third ejector assembly to eject the transparent mask smoothly from the mold. The injection mold improves the demoulding stability, thereby improving the overall working efficiency of the equipment.

[0007] In one embodiment, the first ejector pin assembly of the injection mold of the transparent mask of the vehicle reading light includes a plurality of No. 1 ejectors arranged at intervals along the outer circle of the imitation cavity, and a plurality of No. 1 through holes for accommodating the No. 1 ejectors are arranged in the rear mold core. The No. 1 ejector pin extends into the No. 1 through hole of the rear mold core and is located at one end of the molding cavity, and the top of the No. 1 ejector pin is adapted to the stripes of the outer circle of the transparent mask.

[0008] In one embodiment, the second ejector pin assembly of the injection mold for the transparent mask of the vehicle reading light includes a plurality of No. 2 ejectors spaced apart along the middle parts of both sides of the imitation cavity, and a plurality of No. 2 through holes for accommodating the No. 2 ejectors are provided in the rear mold core. The No. 2 ejectors extend into the No. 2 through holes of the rear mold core and are located at one end of the molding cavity, and the tops of the No. 2 ejectors are matched with the stripes in the middle parts of both sides of the transparent mask.

[0009] In one embodiment, the third ejector pin assembly of the transparent mask injection mold for a vehicle reading light includes a plurality of No. 3 ejectors spaced apart along the inner circle of the profiling cavity, and a plurality of No. 3 through holes for accommodating the No. 3 ejectors are provided in the rear mold core. The No. 3 ejector pin extends into the No. 3 through hole of the rear mold core and is located at one end of the molding cavity, and the top of the No. 3 ejector pin matches the stripes of the inner circle of the transparent mask.

[0010] In one of the embodiments, a plurality of No. 1 water channels are arranged at intervals inside the front mold and the front mold core of the injection mold for the transparent mask of the vehicle reading light, and the No. 1 water channels are used to cool the molding cavity.

[0011] In one of the embodiments, a plurality of No. 2 water channels are arranged at intervals in the rear mold and the rear mold core of the injection mold for the transparent mask of the vehicle reading light, and the No. 2 water channels are used to cool the molding cavity.

[0012] In one of the embodiments, a lifting ring seat and a lifting ring are provided on one side of the rear mold of the injection mold of the vehicle reading light transparent mask. The lifting ring seat is fixedly connected to one side of the rear mold, and the lifting ring is installed on the lifting ring seat.

[0013] The beneficial effects of this application are:

[0014] The embodiment of the present application provides an injection mold for a transparent mask of a vehicle reading light, wherein the first ejector assembly, the second ejector assembly and the third ejector assembly of the ejection mechanism of the injection mold correspond to different parts of the injection-molded transparent mask, respectively, and the ejector plate can drive the first ejector assembly, the second ejector assembly and the third ejector assembly to eject the transparent mask smoothly from the mold. The injection mold improves the demoulding stability, thereby improving the overall working efficiency of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of an injection mold for a transparent mask of a vehicle reading light according to an embodiment of the present application;

[0016] Figure 2 This is a diagram showing the internal structure of the front mold of the injection mold for the transparent mask of the vehicle reading light according to the embodiment of the present application;

[0017] Figure 3 A schematic diagram of a casting hole groove, a molding cavity and a rear mold of an injection mold for a transparent mask of a vehicle reading light according to an embodiment of the present application;

[0018] Figure 4 A schematic diagram of a front mold core of an injection mold for a transparent mask of a vehicle reading light according to an embodiment of the present application;

[0019] Figure 5 It is a schematic diagram of the rear mold core of the injection mold of the transparent mask of the vehicle reading light according to the embodiment of the present application;

[0020] Figure 6 A schematic diagram of a first ejector assembly and a rear mold core of an injection mold for a transparent mask of a vehicle reading light according to an embodiment of the present application;

[0021] Figure 7 It is a schematic diagram of a second ejector assembly, a third ejector assembly and a rear mold core of an injection mold for a transparent mask of a vehicle reading light according to an embodiment of the present application;

[0022] Figure 8 A schematic diagram of a transparent mask of an injection mold for a transparent mask of a vehicle reading light according to an embodiment of the present application;

[0023] in:

[0024] 1. First panel; 2. Second panel; 3. Front mold; 4. Back mold; 31. Front mold core; 41. Back mold core; 5. Molding cavity; 6. Casting hole groove; 7. Ejector mechanism; 8. Transparent mask; 9. No. 1 waterway; 10. No. 2 waterway; 11. Lifting ring seat; 12. Lifting ring; 71. Ejector plate; 72. First ejector assembly; 73. Second ejector assembly; 74. Third ejector assembly; 721. No. 1 ejector; 411. No. 1 through hole; 731. No. 2 ejector; 412. No. 2 through hole; 741. No. 3 ejector; 413. No. 3 through hole. DETAILED DESCRIPTION

[0025] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below with reference to the accompanying drawings.

[0026] like Figure 1-Figure 4 , Figure 8As shown, an embodiment of the present application provides an injection mold for a transparent mask of a vehicle reading light, comprising a first panel 1 and a second panel 2, a front mold 3 is arranged in the first panel 1, a rear mold 4 is arranged in the second panel 2, the front mold 3 and the rear mold 4 are located between the first panel 1 and the second panel 2 and the positions are corresponding, a front mold core 31 is arranged in the front mold 3, a rear mold core 41 is arranged in the rear mold 4, a molding cavity 5 is arranged between the front mold core 31 and the rear mold core 41, a casting hole groove 6 connected to the molding cavity 5 is arranged through the first panel 1 and the front mold 3, an ejection mechanism 7 connected to the molding cavity 5 is arranged between the second panel 2 and the rear mold 4, and the ejection mechanism 7 is used to eject the transparent mask 8.

[0027] like Figure 6-Figure 7 As shown, the ejection mechanism 7 includes an ejector plate 71, a first ejector assembly 72, a second ejector assembly 73 and a third ejector assembly 74. The bottoms of the first ejector assembly 72, the second ejector assembly 73 and the third ejector assembly 74 are respectively fixedly connected to the ejector plate 71, and the tops of the first ejector assembly 72, the second ejector assembly 73 and the third ejector assembly 74 are respectively extended into the rear mold core 41 and are located at one end of the molding cavity 5. The first ejector assembly 72 is used to correspond to the outer circle of the transparent mask 8, the second ejector assembly 73 is used to correspond to the middle part of the two sides of the transparent mask 8, and the third ejector assembly 74 is used to correspond to the inner circle of the transparent mask 8.

[0028] Specifically, the front mold 3 and the rear mold 4 are respectively provided with a front mold core 31 and a rear mold core 41, the ejection mechanism 7 extends into the through hole of the rear mold core 41, the ejection mechanism 7, the front mold core 31 and the rear mold core 41 form a molding cavity 5, the first ejector assembly 72 of the ejection mechanism 7 is located at the bottom of the outer circle of the transparent mask 8, the second ejector assembly 73 is located at the bottom of the middle part of both sides of the transparent mask 8, and the third ejector assembly 74 is located at the bottom of the inner circle of the transparent mask 8. A casting hole groove 6 is penetrated between the first panel 1 and the front mold 3, and a positioning hole connected to an external device is provided on the first panel 1. The top end of the casting hole groove 6 is connected to the positioning hole, and the bottom end of the casting hole groove 6 is connected to the molding cavity 5.

[0029] First, the front mold 3 and the rear mold 4 are closed to form a pouring system and a molding cavity 5, and then the heated and melted plastic material is injected into the molding cavity 5 through the pouring hole groove 6 by the injection molding machine. After cooling and solidification, an injection-molded transparent mask 8 is obtained. When the mold is opened, the front mold 3 and the rear mold 4 are separated, and the first ejector assembly 72, the second ejector assembly 73 and the third ejector assembly 74 are driven simultaneously by the ejector plate 71 to smoothly eject the injection-molded transparent mask 8 from the mold, and finally the unloading operation is performed by the unloading mechanism.

[0030] In the above structure, the tops of the first ejector assembly 72, the second ejector assembly 73 and the third ejector assembly 74 are respectively matched with various parts of the transparent mask 8, so that after the mold is opened, the injection-molded transparent mask 8 can be smoothly ejected from the mold. The injection mold improves the stability of demoulding, thereby improving the overall working efficiency of the equipment.

[0031] like Figure 5-Figure 6 As shown, in one embodiment, the first ejector assembly 72 of the injection mold of the transparent mask of the vehicle reading light includes a plurality of No. 1 ejector pins 721 arranged at intervals along the outer circle of the imitation cavity, and the rear mold core 41 is provided with a plurality of No. 1 through holes 411 for accommodating the No. 1 ejector pins 721. The No. 1 ejector pin 721 extends into the No. 1 through hole 411 of the rear mold core 41 and is located at one end of the molding cavity 5, and the top of the No. 1 ejector pin 721 is adapted to the stripes of the outer circle of the transparent mask 8.

[0032] Specifically, 18 No. 1 ejector pins 721 can be arranged at intervals along the outer ring of the profiling cavity, the bottom of the No. 1 ejector pin 721 is cylindrical, the bottom of the No. 1 ejector pin 721 is fixedly connected to the ejector plate 71, the top of the No. 1 ejector pin 721 is a three-dimensional block, the top of the No. 1 ejector pin 721 passes through the rear mold 4 and extends into the No. 1 through hole 411 of the rear mold core 41, and the top size of the No. 1 ejector pin 721 is adapted to the width of the stripes of the outer ring of the transparent mask 8. This arrangement facilitates the ejection of the outer ring of the transparent mask 8 and is not easy to damage the transparent mask 8.

[0033] like Figure 5 , Figure 7 As shown, in one embodiment, the second ejector assembly 73 of the vehicle reading light transparent mask injection mold includes a plurality of No. 2 ejector pins 731 spaced apart along the middle parts of both sides of the imitation cavity, and a plurality of No. 2 through holes 412 for accommodating the No. 2 ejector pins 731 are provided in the rear mold core 41. The No. 2 ejector pin 731 extends into the No. 2 through hole 412 of the rear mold core 41 and is located at one end of the molding cavity 5, and the top of the No. 2 ejector pin 731 is adapted to the stripes in the middle parts of both sides of the transparent mask 8.

[0034] Specifically, two No. 2 ejector pins 731 can be arranged at intervals along the middle parts of both sides of the imitation cavity, the bottom of the No. 2 ejector pin 731 is cylindrical, the bottom of the No. 2 ejector pin 731 is fixedly connected to the ejector plate 71, the top of the No. 2 ejector pin 731 is a three-dimensional block, the top of the No. 2 ejector pin 731 passes through the rear mold 4 and extends into the No. 2 through hole 412 of the rear mold core 41, and the top size of the No. 2 ejector pin 731 is compatible with the width of the stripes in the middle parts of both sides of the transparent mask 8. This arrangement facilitates the ejection of the middle part of the transparent mask 8 and is not easy to damage the transparent mask 8.

[0035] like Figure 5 , Figure 7As shown, in one embodiment, the third ejector assembly 74 of the injection mold of the transparent mask of the vehicle reading light includes a plurality of No. 3 ejector pins 741 arranged at intervals along the inner circle of the imitation cavity, and the rear mold core 41 is provided with a plurality of No. 3 through holes 413 for accommodating the No. 3 ejector pins 741. The No. 3 ejector pin 741 extends into the No. 3 through hole 413 of the rear mold core 41 and is located at one end of the molding cavity 5, and the top of the No. 3 ejector pin 741 is adapted to the stripes of the inner circle of the transparent mask 8.

[0036] Specifically, 11 No. 3 ejector pins 741 can be arranged at intervals along the inner circle of the imitation cavity, the bottom of the No. 3 ejector pin 741 is cylindrical, the bottom of the No. 3 ejector pin 741 is fixedly connected to the ejector plate 71, the top of the No. 3 ejector pin 741 is a three-dimensional block, the top of the No. 3 ejector pin 741 passes through the rear mold 4 and extends into the No. 3 through hole 413 of the rear mold core 41, and the top size of the No. 3 ejector pin 741 is compatible with the width of the stripe of the inner circle of the transparent mask 8. This arrangement facilitates the ejection of the inner circle of the transparent mask 8 and is not easy to damage the transparent mask 8.

[0037] like Figure 2 As shown, in one of the embodiments, a plurality of No. 1 water channels 9 are arranged in intervals inside the front mold 3 and the front mold core 31 of the injection mold for the transparent mask of the vehicle reading light, and the No. 1 water channel 9 is used to cool the molding cavity 5.

[0038] Specifically, a cold water tank can be arranged outside the injection mold, and the cold water tank is connected to the No. 1 water channel 9 and circulates cold water in the No. 1 water channel 9. The No. 1 water channel 9 is arranged in the front mold 3 and the front mold core 31 to cool the imitation cavity. This arrangement cooperates with the No. 2 water channel 10 to facilitate cooling the mold and the imitation cavity, accelerate the curing speed of the injection-molded transparent mask 8 in the imitation cavity, and thus improve the injection efficiency of the equipment.

[0039] like Figure 6 As shown, in one of the embodiments, a plurality of No. 2 water channels 10 are arranged in intervals inside the rear mold 4 and the rear mold core 41 of the injection mold for the transparent mask of the vehicle reading light, and the No. 2 water channel 10 is used to cool the molding cavity 5.

[0040] Specifically, the cold water tank is connected to the No. 2 water channel 10 and circulates cold water in the No. 2 water channel 10. The No. 2 water channel 10 is arranged in the rear mold 4 and the rear mold core 41 to cool the profiling cavity. This arrangement cooperates with the No. 1 water channel 9 to facilitate cooling the mold and the profiling cavity, accelerate the curing speed of the injection-molded transparent mask 8 in the profiling cavity, and thus improve the injection molding efficiency of the equipment.

[0041] like Figure 1As shown, in one of the embodiments, a lifting ring seat 11 and a lifting ring 12 are provided on one side of the rear mold 4 of the injection mold for the vehicle reading light transparent mask. The lifting ring seat 11 is fixedly connected to one side of the rear mold 4, and the lifting ring 12 is installed on the lifting ring seat 11.

[0042] Specifically, the lifting ring 12 is installed on the lifting ring seat 11, and the lifting ring seat 11 is installed on the rear mold 4. When the lifting equipment moves the injection mold, the lifting ring seat 11 enhances the stability of the lifting, and the lifting ring 12 cooperates with the lifting equipment to facilitate the movement of the injection mold.

[0043] The above-mentioned embodiments only express several implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. Transparent mask injection mold for car reading light, characterized by: The invention comprises a first panel (1) and a second panel (2), wherein a front mold (3) is arranged in the first panel (1), and a rear mold (4) is arranged in the second panel (2), the front mold (3) and the rear mold (4) are located between the first panel (1) and the second panel (2) and are located in corresponding positions, a front mold core (31) is arranged in the front mold (3), and a rear mold core (41) is arranged in the rear mold (4), a molding cavity (5) is arranged between the front mold core (31) and the rear mold core (41), a casting hole groove (6) communicating with the molding cavity (5) is arranged through the first panel (1) and the front mold (3), and an ejection mechanism (7) communicating with the molding cavity (5) is arranged between the second panel (2) and the rear mold (4), and the ejection mechanism (7) is used to eject a transparent mask (8), The ejection mechanism (7) comprises an ejector plate (71), a first ejector assembly (72), a second ejector assembly (73) and a third ejector assembly (74); the bottoms of the first ejector assembly (72), the second ejector assembly (73) and the third ejector assembly (74) are respectively fixedly connected to the ejector plate (71); the tops of the first ejector assembly (72), the second ejector assembly (73) and the third ejector assembly (74) respectively extend into the rear mold core (41) and are located at one end of the molding cavity (5); the first ejector assembly (72) is used to correspond to the outer ring of the transparent mask (8); the second ejector assembly (73) is used to correspond to the middle part of both sides of the transparent mask (8); and the third ejector assembly (74) is used to correspond to the inner ring of the transparent mask (8).

2. The transparent mask injection mold for vehicle reading light according to claim 1, characterized in that: The first ejector pin assembly (72) comprises a plurality of No. 1 ejector pins (721) arranged at intervals along the outer circle of the imitation cavity, the rear mold core (41) is provided with a plurality of No. 1 through holes (411) for accommodating the No. 1 ejector pins (721), the No. 1 ejector pins (721) extend into the No. 1 through holes (411) of the rear mold core (41) and are located at one end of the molding cavity (5), and the top of the No. 1 ejector pin (721) is adapted to the stripes of the outer circle of the transparent mask (8).

3. The transparent mask injection mold for vehicle reading light according to claim 1, characterized in that: The second ejector pin assembly (73) comprises a plurality of No. 2 ejector pins (731) arranged at intervals along the middle parts of both sides of the imitation cavity, and the rear mold core (41) is provided with a plurality of No. 2 through holes (412) for accommodating the No. 2 ejector pins (731). The No. 2 ejector pins (731) extend into the No. 2 through holes (412) of the rear mold core (41) and are located at one end of the molding cavity (5), and the tops of the No. 2 ejector pins (731) are adapted to the stripes in the middle parts of both sides of the transparent mask (8).

4. The transparent mask injection mold for vehicle reading light according to claim 1, characterized in that: The third ejector pin assembly (74) comprises a plurality of No. 3 ejector pins (741) arranged at intervals along the inner circle of the imitation cavity, and the rear mold core (41) is provided with a plurality of No. 3 through holes (413) for accommodating the No. 3 ejector pins (741). The No. 3 ejector pins (741) extend into the No. 3 through holes (413) of the rear mold core (41) and are located at one end of the molding cavity (5), and the top of the No. 3 ejector pin (741) is matched with the stripes of the inner circle of the transparent mask (8).

5. The transparent mask injection mold for vehicle reading light according to claim 1, characterized in that: A plurality of No. 1 water channels (9) are arranged at intervals inside the front mold (3) and the front mold core (31), and the No. 1 water channels (9) are used to cool the molding cavity (5).

6. The transparent mask injection mold for vehicle reading light according to claim 1, characterized in that: A plurality of No. 2 water channels (10) are arranged at intervals inside the rear mold (4) and the rear mold core (41), and the No. 2 water channels (10) are used to cool the molding cavity (5).

7. The transparent mask injection mold for vehicle reading light according to claim 1, characterized in that: A lifting ring seat (11) and a lifting ring (12) are provided on one side of the rear mold (4); the lifting ring seat (11) is fixedly connected to one side of the rear mold (4), and the lifting ring (12) is installed on the lifting ring seat (11).

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