Double-mold-cavity automobile lamp injection mold

Abstract

The utility model discloses a double-mold-cavity automobile lamp injection mold which comprises a base and two electric telescopic rods, and relates to the technical field of automobile lamp injection molding. According to the double-mold-cavity automobile lamp injection mold, a first ejector plate and a second ejector plate are arranged in the inner double-concave automobile lamp mold frame and the outer double-convex automobile lamp mold frame in a sliding mode, so that during the resetting period of the inner double-concave automobile lamp mold frame and the outer double-convex automobile lamp mold frame, the first ejector plate and the second ejector plate can abut against a product, and after self-material-returning is completed, the product can be automatically ejected; in addition, the device can further make staggered reciprocating movement through a first ejector plate and a second ejector plate, then products can be conveniently separated from the surfaces of the first ejector plate and the second ejector plate, overall material returning is completed, then the inner double-concave car lamp mold frame and the outer double-convex car lamp mold frame can be automatically discharged, and the discharging comprehensiveness and convenience are further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to car lamp injection technology field, concretely is a kind of double-mold cavity car lamp injection mold. BACKGROUND

[0002] Car lamp shell is inevitably needed to use injection mold for the convenience of shaping in production process, to improve injection efficiency, double-cavity mold is designed to inject two car lamp shells at a time.

[0003] Although double-cavity mold can drive injection higher efficiency in prior art, it still has deficiencies in actual use, for example, the device lacks a comprehensive material withdrawal mechanism, which causes random sticking of one of the two half-molds during product material withdrawal, resulting in the problem of inconvenient material withdrawal. To avoid such problems, a double-mold cavity car lamp injection mold is proposed to solve the existing problems. SUMMARY

[0004] To overcome the deficiencies of the prior art, the utility model provides a double-mold cavity car lamp injection mold, which solves the problem of inconvenient material withdrawal caused by the lack of a comprehensive material withdrawal mechanism in the device during product material withdrawal.

[0005] To achieve the above purpose, the utility model is implemented by the following technical solutions: a double-mold cavity car lamp injection mold, comprising a base and an electric telescopic rod, the electric telescopic rod is provided with two, and the two electric telescopic rods are fixedly arranged on the two sides of the top of the base through a support, the extension end of the two electric telescopic rods is fixedly connected with an inner double-concave car lamp mold frame and an outer double-convex car lamp mold frame on the opposite side, respectively, the top and bottom of the opposite side of the inner double-concave car lamp mold frame and the outer double-convex car lamp mold frame are slidably provided with a first material ejection plate, the top and bottom of the opposite side of the inner double-concave car lamp mold frame and the outer double-convex car lamp mold frame are slidably provided with a second material ejection plate, the side surface of the first material ejection plate and the second material ejection plate is fixedly connected with a first back-molding frame and a second back-molding frame, respectively, the top of the mounting bracket is fixedly connected with a driving motor through a support, the output shaft of the driving motor is fixedly connected with a rotating shaft through a shaft coupling, and one end of the rotating shaft penetrates through the mounting bracket and is rotatably connected with the bottom of the inner cavity of the mounting bracket, the surface of the rotating shaft and inside the first back-molding frame are fixedly connected with a first cam, the surface of the rotating shaft and inside the second back-molding frame are fixedly connected with a second cam, and the second cam and the first cam are reversely arranged.

[0006] Preferably, the inner wall of the mounting bracket is provided with a first sliding groove on both the front and rear sides of the first top plate. A first slider is slidably connected inside the first sliding groove. The two first sliders on the same side are fixedly connected to the front and rear sides of the first top plate respectively. A first spring is fixedly connected between the two sides of the first slider and the two sides of the inner cavity of the first sliding groove.

[0007] Preferably, the inner wall of the mounting bracket is provided with a second sliding groove on both the front and rear sides of the second top plate. A second slider is slidably connected inside the second sliding groove. The two second sliders on the same side are fixedly connected to the front and rear sides of the second top plate respectively. A second spring is fixedly connected between the two sides of the second slider and the two sides of the inner cavity of the second sliding groove.

[0008] Preferably, the top and bottom of the inner double-concave headlight mold frame and the outer double-convex headlight mold frame on opposite sides are provided with first guide grooves that slide and adapt to the first top material plate.

[0009] Preferably, the top and bottom of the inner double-concave headlight mold frame and the outer double-convex headlight mold frame on opposite sides are provided with second guide grooves that are slidably adapted to the second top plate.

[0010] Preferably, the top and bottom of the front side of the inner double concave headlight mold frame are both connected to injection ports.

[0011] Beneficial effects

[0012] This invention provides a dual-cavity automotive headlight injection mold. Compared with existing technologies, it has the following advantages: This invention uses a first and a second ejector plate that are slidably arranged inside both the inner double-concave headlight mold frame and the outer double-convex headlight mold frame. During the resetting process, the inner double-concave headlight mold frame and the outer double-convex headlight mold frame are supported by the first and second ejector plates, allowing for self-unloading. Furthermore, the device can also facilitate the product's separation from the surfaces of the first and second ejector plates through their alternating reciprocating movement, completing the overall unloading. Both the inner double-concave headlight mold frame and the outer double-convex headlight mold frame can achieve unloading through the first and second ejector plates. This allows the device to unload any product that adheres to either the inner double-concave headlight mold frame or the outer double-convex headlight mold frame, improving the comprehensiveness and convenience of unloading. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the external structure of this utility model;

[0014] Figure 2 This is a cross-sectional view of the inner double-concave headlight mold frame and the outer double-convex headlight mold frame structure of this utility model;

[0015] Figure 3The utility model discloses an inner double concave vehicle lamp mold frame and outer double convex vehicle lamp mold frame structure's expansion view.

[0016] Figure 4 The utility model discloses the overhead view of mounting frame internal structure,

[0017] Figure 5 The utility model discloses Figure 4 The utility model discloses the partial close -up of A in middle,

[0018] Figure 6 The utility model discloses Figure 4 The utility model discloses the partial close -up of B in middle.

[0019] In the drawing: 1, base; 2, electric telescopic rod; 3, inner double concave vehicle lamp mold frame; 4, outer double convex vehicle lamp mold frame; 5, mounting frame; 6, first top material plate; 7, second top material plate; 8, first back type frame; 9, second back type frame; 10, drive motor; 11, pivot; 12, first cam; 13, second cam; 14, first sliding slot; 15, first sliding block; 16, first spring; 17, second sliding slot; 18, second sliding block; 19, second spring; 20, first guide slot; 21, second guide slot; 22, injection pipe orifice. Specific implementation

[0020] The technical scheme in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model.

[0021] Please refer to Figures 1-6 The utility model provides a kind of technical scheme: a double-mold cavity automobile vehicle lamp injection mold, including base 1 and electric telescopic rod 2, electric telescopic rod 2 is provided with two, and two electric telescopic rod 2 is respectively fixedly set in the two sides of the top of base 1 by support, the opposite side of the extension end of two electric telescopic rod 2 is respectively fixedly connected with inner double concave vehicle lamp mold frame 3 and outer double convex vehicle lamp mold frame 4, and the top and bottom of the front side of inner double concave vehicle lamp mold frame 3 are all communicated with injection pipe orifice 22.

[0022] Further, in order to facilitate the automatic complete material returning of the inner double concave car lamp mold frame 3 and the outer double convex car lamp mold frame 4, mounting racks 5 are fixedly connected to the top of the base 1 on both sides, first material ejection plates 6 are slidingly arranged on the top and the bottom of the side opposite to the inner double concave car lamp mold frame 3 and the outer double convex car lamp mold frame 4, second material ejection plates 7 are slidingly arranged on the top and the bottom of the side opposite to the inner double concave car lamp mold frame 3 and the outer double convex car lamp mold frame 4, first material ejection plates 6 and second material ejection plates 7 are fixedly connected with first return mold frames 8 and second return mold frames 9 on the side respectively, a driving motor 10 is fixedly connected to the top of the mounting rack 5 through a support, a rotating shaft 11 is fixedly connected to the output shaft of the driving motor 10 through a shaft coupling, one end of the rotating shaft 11 penetrates through the mounting rack 5 and is rotationally connected with the bottom of the inner cavity of the mounting rack 5, a first cam 12 is fixedly connected to the surface of the rotating shaft 11 and located in the inside of the first return mold frame 8, a second cam 13 is fixedly connected to the surface of the rotating shaft 11 and located in the inside of the second return mold frame 9, the second cam 13 and the first cam 12 are reversely arranged;

[0023] As a detailed elaboration: first sliding grooves 14 are arranged on the inner wall of the mounting rack 5 and located on the front side and the back side of the first material ejection plate 6, first sliding blocks 15 are slidingly connected in the first sliding grooves 14, the opposite sides of the two first sliding blocks 15 are fixedly connected with the front side and the back side of the first material ejection plate 6 respectively, first springs 16 are fixedly connected between the two sides of the first sliding blocks 15 and the two sides of the inner cavity of the first sliding grooves 14, second sliding grooves 17 are arranged on the inner wall of the mounting rack 5 and located on the front side and the back side of the second material ejection plate 7, second sliding blocks 18 are slidingly connected in the second sliding grooves 17, the opposite sides of the two second sliding blocks 18 are fixedly connected with the front side and the back side of the second material ejection plate 7 respectively, second springs 19 are fixedly connected between the two sides of the second sliding blocks 18 and the two sides of the inner cavity of the second sliding grooves 17, first guide grooves 20 are arranged on the top and the bottom of the side opposite to the inner double concave car lamp mold frame 3 and the outer double convex car lamp mold frame 4 and slidingly matched with the first material ejection plate 6, second guide grooves 21 are arranged on the top and the bottom of the side opposite to the inner double concave car lamp mold frame 3 and the outer double convex car lamp mold frame 4 and slidingly matched with the second material ejection plate 7.

[0024] In use, the two electric telescopic rods 2 are started to make the extension ends of the two electric telescopic rods 2 combine the inner double concave car lamp mold frame 3 and the outer double convex car lamp mold frame 4, and then hot plastic pressure injection is performed through the injection pipe opening 22.

[0025] After the product is cooled and shaped, the operator resets the extension end of the two electric telescopic rods 2, prompting the inner double-concave car lamp mold frame 3 and the outer double-convex car lamp mold frame 4 to be synchronously and reversely reset. If the inner double-concave car lamp mold frame 3 carries the product displacement when the inner double-concave car lamp mold frame 3 is reset, the inner double-concave car lamp mold frame 3 will be reset, and the product will be resisted by the first and second ejection plates 6 and 7, and the inner double-concave car lamp mold frame 3 will be separated from the product. Then the driving motor 10 is synchronously started, prompting the driving motor 10 to drive the rotating shaft 11, the first cam 12 and the second cam 13 to rotate. The first cam 12 and the second cam 13 are reversely arranged, so the first cam 12 and the second cam 13 drive the first and second ejection plates 6 and 7 to reciprocatingly and staggeringly move, and the first and second ejection plates 6 and 7 reciprocatingly and staggeringly move to alternately eject the product, finally achieving complete ejection.

[0026] The outer double-convex car lamp mold frame 4 has the same action as the inner double-concave car lamp mold frame 3 when resetting and ejecting.

Claims

1. A double-cavity automobile lamp injection mold, comprising a base (1) and an electric telescopic rod (2), two electric telescopic rods (2) are arranged on both sides of the top of the base (1) through supports, characterized in that: Two opposite sides of extension ends of the two electric telescopic rods (2) are fixedly connected with an inner double-concave car lamp mold frame (3) and an outer double-convex car lamp mold frame (4) respectively, both sides of the top of the base (1) are fixedly connected with mounting racks (5), the top and the bottom of the side, away from the inner double-concave car lamp mold frame (3) and the outer double-convex car lamp mold frame (4), are slidably provided with first material pushing plates (6), the top and the bottom of the side, away from the inner double-concave car lamp mold frame (3) and the outer double-convex car lamp mold frame (4), are slidably provided with second material pushing plates (7), the side surfaces of the first material pushing plates (6) and the second material pushing plates (7) are fixedly connected with first back-shaped frames (8) and second back-shaped frames (9) respectively, the top of the mounting rack (5) is fixedly connected with a driving motor (10) through a support, the output shaft of the driving motor (10) is fixedly connected with a rotating shaft (11) through a shaft coupling, one end of the rotating shaft (11) penetrates through the mounting rack (5) and is rotatably connected with the bottom of the inner cavity of the mounting rack (5), the surface of the rotating shaft (11) and the inside of the first back-shaped frame (8) are fixedly connected with a first cam (12), the surface of the rotating shaft (11) and the inside of the second back-shaped frame (9) are fixedly connected with a second cam (13), the second cam (13) and the first cam (12) are oppositely arranged.

2. A two-cavity automotive lamp injection mold according to claim 1, characterized in that: The inner wall of the mounting rack (5) and the front side and the back side of the first material pushing plate (6) are provided with first sliding grooves (14), the first sliding grooves (14) are slidably connected with first sliding blocks (15), the opposite sides of the two first sliding blocks (15) are fixedly connected with the front side and the back side of the first material pushing plate (6) respectively, the first sliding blocks (15) are fixedly connected with first springs (16) between the two sides and the two sides of the inner cavity of the first sliding grooves (14).

3. The dual cavity automotive lamp injection mold of claim 1, wherein: The inner wall of the mounting rack (5) and the front side and the back side of the second material pushing plate (7) are provided with second sliding grooves (17), the second sliding grooves (17) are slidably connected with second sliding blocks (18), the opposite sides of the two second sliding blocks (18) are fixedly connected with the front side and the back side of the second material pushing plate (7) respectively, the second sliding blocks (18) are fixedly connected with second springs (19) between the two sides and the two sides of the inner cavity of the second sliding grooves (17).

4. The dual cavity automotive lamp injection mold of claim 1, wherein: The top and the bottom of the side, away from the inner double-concave car lamp mold frame (3) and the outer double-convex car lamp mold frame (4), are provided with first guide grooves (20) which are slidably matched with the first material pushing plates (6).

5. The dual cavity automotive lamp injection mold of claim 1, wherein: The top and the bottom of the side, away from the inner double-concave car lamp mold frame (3) and the outer double-convex car lamp mold frame (4), are provided with second guide grooves (21) which are slidably matched with the second material pushing plates (7).

6. A dual cavity automotive lamp injection mold in accordance with claim 1, wherein: The top and the bottom of the front side of the inner double-concave car lamp mold frame (3) are communicated with material injection pipe mouths (22).

Images