Anti-deformation steering lamp lens injection mold

Abstract

The utility model discloses an anti-deformation steering lamp lens injection mold, and relates to the technical field of injection molds for vehicle production, a movable frame is arranged above a fixed frame, a fixed mold is arranged on the fixed frame, a movable mold is fixedly arranged on the movable frame and covers an upper port of the fixed mold, a jacking mold is movably arranged in the fixed mold, and the jacking mold is arranged in the fixed mold. The pressing mold is movably arranged in the movable mold; according to the mold structure, a mold structure of a multi-section type split structure is adopted, and a corresponding linkage driving structure is designed, so that multi-section type sectional demolding can be carried out when demolding is carried out after injection molding is completed, the influence on the shape of a product during demolding is greatly reduced, and deformation of the product during demolding is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of injection molds for vehicle production, in particular to an anti-deformation injection mold for a turn signal lamp lens. Background Art

[0002] The vehicle's turn signal will change the light structure through the outer shell lens, so that the visual effect at a specific angle is enhanced, thereby playing an obvious light prompt and warning effect; the existing headlight lens is injection molded in one piece through a high-transmittance polymer material, and the existing injection mold has an overall demolding structure during demolding, which can easily cause the product to be pulled and deformed when it is ejected, thereby changing the product lens structure and causing defective products with changes in the light transmission structure. Therefore, it is now planned to improve the traditional mold and optimize the demolding method so that the product will not be deformed due to demolding. Summary of the invention

[0003] The purpose of the utility model is to provide a deformation-resistant turn signal lens injection mold in view of the defects and shortcomings of the prior art. The mold structure adopts a multi-stage split structure and designs a corresponding linkage drive structure so that multi-stage demolding can be performed when demolding is performed after injection molding is completed, thereby greatly reducing the impact on the shape of the product during demolding and preventing the product from being deformed during demolding.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] The utility model comprises a fixed frame and a movable frame, wherein the movable frame is arranged above the fixed frame, and the utility model further comprises:

[0006] A fixed mold, wherein the fixed mold is arranged on a fixed frame;

[0007] A movable mold, wherein the movable mold is fixedly arranged on the movable frame and covers the upper port of the fixed mold;

[0008] A lifting mold, wherein the lifting mold is movably arranged inside the fixed mold;

[0009] The pressing mold is movably arranged inside the movable mold.

[0010] Preferably, the fixed mold comprises:

[0011] Half buckle mold, the half buckle mold is two and is arranged symmetrically on the left and right;

[0012] Support shafts, wherein two support shafts are fixedly arranged on the front and rear outer side walls of the half buckle mold in a front-to-back symmetrical manner, and the support shafts on the left and right half buckle molds are arranged symmetrically, and the support shafts are rotated on the upper end of the inner side wall of the fixing frame through bearings;

[0013] The boss hoop is fixedly arranged on the inner side wall of the half buckle mold, and the half buckle mold is buckled on the lifting mold through the boss hoop.

[0014] Preferably, a lifting push rod is fixedly provided on the upper surface of the bottom plate of the fixed frame, a lifting frame is fixedly provided on the output shaft of the lifting push rod, guide frames are symmetrically fixedly provided on the left and right ends of the lifting frame, a transmission arm is fixedly provided on the lower end of the outer wall of the semi-buckle mold, a guide pin is fixedly provided on the lower end of the transmission arm, and the guide pin is movably provided in the guide frame.

[0015] Preferably, a cross frame is fixedly arranged on the fixed frame, a lifting push rod is fixedly arranged on the cross frame, the output shaft of the lifting push rod is fixedly arranged on the lower surface of the lifting mold, and the lower surface of the lifting mold is arranged higher than the axis of the supporting shaft.

[0016] Preferably, a pressing push rod is fixedly arranged on the lower surface of the top plate of the movable frame, and the output shaft of the pressing push rod is fixedly arranged on the upper surface of the pressing mold.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] It adopts a multi-stage split mold structure and designs a corresponding linkage drive structure, so that multi-stage demoulding can be performed when demoulding is completed, thereby greatly reducing the impact of demoulding on the shape of the product and preventing the product from being deformed during demoulding. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the utility model.

[0020] Figure 2 It is a structural schematic diagram of the fixed mold in the utility model.

[0021] Figure 3 It is a structural schematic diagram of a half buckle mold in the utility model.

[0022] Figure 4 It is a structural schematic diagram of the jacking die and the pressing die in the utility model.

[0023] Description of reference numerals:

[0024] Fixed frame 1, movable frame 2, fixed mold 3, half buckle mold 3-1, support shaft 3-2, boss hoop 3-3, movable mold 4, lifting mold 5, pressing mold 6, lifting push rod 7, lifting frame 8, guide frame 9, transmission arm 10, guide pin 11, cross frame 12, lifting push rod 13, pressing push rod 14. DETAILED DESCRIPTION

[0025] The technical solution of the utility model will be clearly and completely described below in conjunction with the accompanying drawings. The preferred embodiments in the description are only used as examples, and all other embodiments obtained by those skilled in the art without making any creative work are within the scope of protection of the utility model. Example

[0026] like Figure 1-4 As shown, this embodiment includes a fixed frame 1 and a movable frame 2, wherein the movable frame 2 is arranged above the fixed frame 1, the fixed mold 3 is fixedly arranged on the external workbench, and the movable mold 4 is fixedly arranged on the external lifting unit, and it also includes:

[0027] The fixed mold 3 is arranged on the fixed frame 1, and the fixed mold 3 comprises:

[0028] A half buckle mold 3-1, wherein the half buckle mold 3-1 is two and is arranged symmetrically on both sides;

[0029] Support shafts 3-2, two of which are fixedly arranged on the front and rear outer side walls of the half buckle mold 3-1 in a front-to-back symmetrical manner, and the support shafts 3-2 on the left and right half buckle molds 3-1 are arranged symmetrically, and the support shafts 3-2 are rotated on the upper end of the inner side wall of the fixing frame 1 through bearings;

[0030] A boss hoop 3-3, wherein the boss hoop 3-3 is fixedly arranged on the inner side wall of the half buckle mold 3-1;

[0031] A transmission arm 10, wherein the transmission arm 10 is fixedly arranged at the lower end of the outer side wall of the half buckle mold 3-1;

[0032] A lifting push rod 7, wherein the lifting push rod 7 is fixedly arranged on the upper surface of the bottom plate of the fixing frame 1;

[0033] A lifting frame 8, wherein the lifting frame 8 is fixedly arranged on the output shaft of the lifting push rod 7;

[0034] Guide frames 9, wherein the guide frames 9 are two and are fixedly arranged at the left and right ends of the lifting frame 8 in a symmetrical manner;

[0035] A guide pin 11, wherein the guide pin 11 is fixedly arranged at the lower end of the transmission arm 10, and the guide pin 11 is movably arranged in the guide frame 9;

[0036] A cross frame 12, wherein the cross frame 12 is fixedly arranged on the fixed frame 1;

[0037] A lifting push rod 13, wherein the lifting push rod 13 is fixedly arranged on the cross frame 12;

[0038] A lifting die 5, wherein the lifting die 5 is fixedly arranged on the output shaft of the lifting push rod 13, and the half buckle dies 3-1 on the left and right sides are held on the lifting die 5 by boss hoops 3-3;

[0039] The movable mold 4 is fixedly arranged on the movable frame 2, and the movable mold 4 is covered on the upper port of the fixed mold 3;

[0040] A pressing push rod 14, wherein the pressing push rod 14 is fixedly arranged on the lower surface of the top plate of the movable frame 2;

[0041] The pressing mold 6 is fixedly arranged on the output shaft of the pressing push rod 14 , and the pressing mold 6 is arranged inside the movable mold 4 .

[0042] After adopting the technical solution disclosed in the utility model, it can achieve:

[0043] When using the device, the lifting frame 8 is pushed upward by the lifting push rod 7, so that the lifting frame 8 drives the guide frame 9 to rise, and the guide frame 9 pushes the transmission arm 10 through the guide pin 11, so that the transmission arm 10 pushes the half buckle mold 3-1 to rotate with the support shaft 3-2 as the fulcrum, so that the half buckle molds 3-1 on the left and right sides are buckled, and then the lifting mold 5 is moved downward by the lifting push rod 13, so that the upper surface of the lifting mold 5 is flush with the upper surface of the inner boss hoop 3-3 of the half buckle mold 3-1, that is, the initialization of the fixed mold 3 is completed, and then the pressing mold 6 is moved upward by the pressing push rod 14 so that the lower surface of the pressing mold 6 is flush with the lower surface of the fixed mold 3, and the movable frame 2 is pushed downward by the external power unit, and the movable frame 2 pushes the movable mold 4 downward so that the lower surface of the movable mold 4 is against the upper surface of the fixed mold 3, that is, the initialization of the movable mold 4 is completed;

[0044] After the workpiece is shaped, the lifting mold 5 is first moved downward by the lifting push rod 13 so that the upper surface of the lifting mold 5 is separated from the lower surface of the workpiece. In this process, the boss hoop 3-3 and the pressing mold 6 clamp the workpiece. After the demoulding of the lifting mold 5 is completed, the lifting mold 5 is reset so that the lifting mold 5 and the pressing mold 6 clamp the workpiece. Then, the lifting frame 8 is moved downward by the lifting push rod 7. The lifting frame 8 drives the guide frame 9 to move downward. The guide frame 9 drives the half-buckle 3-1 to rotate through the guide pin 11 and the transmission arm 10, thereby making the half-buckle 3-1 on the left and right sides rotate and open, so that the half-buckle 3-1 is separated from the side wall of the workpiece. Finally, the movable frame 2 is raised to drive the workpiece to be disengaged, and the lower end of the pressing mold 6 is retracted into the movable mold 4 by the pressing push rod 14. The workpiece is removed to complete an injection molding process.

[0045] The technical advantages that can be achieved by adopting the above technical solution are as follows:

[0046] The device is provided with a fixed mold 3 assembled by buckling half molds 3-1, and a lifting mold 5 is provided in the fixed mold 3, and a pressing mold 6 is provided in the fixed mold 3, so that during injection molding, the injection molding is completed by injecting the injection raw material into the fixed mold 3, and then the pressing mold 6 is pressed down to complete the injection molding, and then the demoulding is completed by descending the lifting mold 5, opening the half mold 3-1, and retracting the pressing mold 6, so as to prevent the workpiece from being deformed during the demoulding process.

[0047] For those skilled in the art, they can modify the technical solutions recorded in the aforementioned embodiments and make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A deformation-resistant turn signal lamp lens injection mold, comprising a fixed frame (1) and a movable frame (2), wherein the movable frame (2) is arranged above the fixed frame (1); characterized in that: It also contains: A fixed mold (3), wherein the fixed mold (3) is arranged on a fixed frame (1); A movable mold (4), wherein the movable mold (4) is fixedly arranged on the movable frame (2), and the movable mold (4) is arranged to cover the upper port of the fixed mold (3); A lifting mold (5), wherein the lifting mold (5) is movably arranged inside the fixed mold (3); A pressing mold (6), wherein the pressing mold (6) is movably arranged inside the movable mold (4).

2. The anti-deformation turn signal lamp lens injection mold according to claim 1, characterized in that: The fixed mold (3) comprises: A half buckle mold (3-1), wherein the half buckle mold (3-1) is two and is arranged symmetrically on both sides; Support shafts (3-2), wherein two support shafts (3-2) are fixedly arranged on the front and rear outer side walls of the half buckle mold (3-1) in a front-to-back symmetrical manner, and the support shafts (3-2) on the left and right half buckle molds (3-1) are arranged in a left-right symmetrical manner, and the support shafts (3-2) are rotatably arranged on the upper end of the inner side wall of the fixing frame (1) through bearings; The boss hoop (3-3) is fixedly arranged on the inner side wall of the half buckle mold (3-1), and the half buckle mold (3-1) is buckled on the lifting mold (5) through the boss hoop (3-3).

3. The anti-deformation turn signal lamp lens injection mold according to claim 2, characterized in that: A lifting push rod (7) is fixedly arranged on the upper surface of the bottom plate of the fixing frame (1), a lifting frame (8) is fixedly arranged on the output shaft of the lifting push rod (7), guide frames (9) are symmetrically fixedly arranged on the left and right ends of the lifting frame (8), a transmission arm (10) is fixedly arranged on the lower end of the outer wall of the semi-buckle mold (3-1), a guide pin (11) is fixedly arranged on the lower end of the transmission arm (10), and the guide pin (11) is movably arranged in the guide frame (9).

4. The anti-deformation turn signal lamp lens injection mold according to claim 3, characterized in that: A cross frame (12) is fixedly arranged on the fixed frame (1), a lifting push rod (13) is fixedly arranged on the cross frame (12), an output shaft of the lifting push rod (13) is fixedly arranged on the lower surface of the lifting mold (5), and the lower surface of the lifting mold (5) is arranged higher than the axis of the support shaft (3-2).

5. The anti-deformation turn signal lamp lens injection mold according to claim 4, characterized in that: A pressing push rod (14) is fixedly arranged on the lower surface of the top plate of the movable frame (2), and an output shaft of the pressing push rod (14) is fixedly arranged on the upper surface of the pressing mold (6).

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