Automobile steering lamp cover injection mold

Abstract

The utility model belongs to the technical field of automobile part processing, and concretely is an automobile steering lamp cover injection mold, including support, the support top is equipped with hydraulic module, the hydraulic module output is fixedly connected with upper die, the support top is fixedly connected with lower die, the lower die top is equipped with cavity, the lower die middle part is equipped with cavity, the cavity sets up in the lower die bottom, the lower die top is equipped with a plurality of guide posts, the lower die middle part is equipped with air blowing subassembly, the air blowing subassembly middle part is equipped with a plurality of ejector rod, the support middle part is equipped with scrap blowing subassembly, through above -mentioned structure gas auxiliary ejection and inject high -pressure gas to cavity, can form air cushion layer between cavity and workpiece, effectively reduce workpiece and the contact area and friction force of cavity surface, reduce the scratch, deformation or surface defect caused by traditional mechanical ejection.

Description

Technical Field

[0001] This utility model belongs to the field of automotive parts processing technology, specifically an injection mold for automotive turn signal lamp covers. Background Technology

[0002] Car turn signals are important indicator lights that flash to warn pedestrians or other vehicles when a vehicle is turning or changing lanes, indicating the direction of travel.

[0003] The turn signal cover protects the bulb and circuitry inside the turn signal from external environmental damage. During production, molten plastic is injected into a mold, the molded product is removed, excess plastic is trimmed, and the finished product passes inspection.

[0004] Turn signal covers are usually thin-walled transparent parts. When the injection mold of the cover is working, the traditional ejector rod usually ejects the injection part directly. Ejecting the injection part directly from the mold can easily lead to local stress concentration, resulting in defects such as whitening, cracks or warping, which will reduce product quality.

[0005] Therefore, this utility model provides an injection mold for automotive turn signal lamp covers. Summary of the Invention

[0006] In order to overcome the shortcomings of the prior art, at least one technical problem raised in the background art is solved.

[0007] The technical solution adopted by this utility model to solve its technical problem is as follows: A car turn signal lamp cover injection mold of this utility model includes a bracket; a hydraulic module is installed on the top of the bracket; an upper mold is fixedly connected to the output end of the hydraulic module; a lower mold is fixedly connected to the middle of the bracket; a cavity is opened on the top of the lower mold; a hollow cavity is opened in the middle of the lower mold; the hollow cavity is located at the bottom of the lower mold; multiple guide pillars are provided on the top of the lower mold; an air blowing assembly is installed in the middle of the lower mold; multiple ejector rods are installed in the middle of the air blowing assembly; a chip blowing assembly is provided in the middle of the bracket; the air blowing assembly includes a driver; the driver is installed on the outer wall of the lower mold; a transfer shaft is fixedly connected to the output end of the driver; a first bevel gear is fixedly connected to the end of the transfer shaft; a second bevel gear is rotatably connected to the middle of the lower mold; the second bevel gear is located at the bottom of the hollow cavity; the second bevel gear and the first bevel gear are meshed; a threaded cylinder is fixedly connected to the top of the second bevel gear; the middle of the threaded cylinder... A rotating box is rotatably connected; the rotating box is located on the top of the second bevel gear; an exhaust pipe is fixedly connected to the middle of the rotating box; a through hole is opened in the middle of the threaded cylinder; the through hole is located inside the corresponding rotating box; an air pump is fixedly connected to the end of the exhaust pipe; the air pump is located on the side wall of the lower mold; a nut is installed in the middle of the threaded cylinder; a connecting plate is fixedly connected to the middle of the nut; multiple ejector rods are fixedly connected to the middle of the connecting plate; a sliding groove is opened in the middle of the lower mold; a sliding ejector cylinder is slidably connected in the middle of the sliding groove; multiple exhaust holes are opened in the middle of the sliding ejector cylinder; the multiple exhaust holes are equidistantly distributed; by gas-assisted ejection and injection of high-pressure gas into the cavity through the above structure, an air cushion layer can be formed between the cavity and the workpiece, effectively reducing the contact area and friction between the workpiece and the cavity surface, reducing scratches, deformation or surface defects caused by traditional mechanical ejection, quickly separating the workpiece from the lower mold, reducing cooling time and reducing production efficiency, adapting to complex shapes, and enabling complete demolding of the product.

[0008] Preferably, the chip blowing assembly includes a fixing rod; the fixing rod is fixed to the top of the bracket; a spring is provided on the outside of the fixing rod; the spring is fixed to the top of the bracket; a sleeve is slidably connected to the middle of the fixing rod; the end of the spring is fixed to the bottom of the sleeve; a fan is fixed to the end of the sleeve; two filters are fixed to the middle of the fan; the two filters are arranged opposite each other; a pressure plate is fixed to the side wall of the upper mold; the pressure plate corresponds to the position of the filters; through the above structure, plastic debris, mold release agent residue, or dust impurities may remain in the lower mold during the injection molding process. The fan's directional airflow quickly disperses the fine particles attached to the lampshade surface, reducing defects caused by surface impurities in subsequent processes, and accelerating airflow on the workpiece surface to assist in heat dissipation.

[0009] Preferably, a water tank pump is installed on the side wall of the support; a drain pipe is fixedly connected to the top of the water tank pump; the drain pipe passes through the side wall of the lower mold; two cooling chambers are opened in the middle of the lower mold; the two cooling chambers are connected; the end of the drain pipe is located on the side wall of the cooling chamber; a water outlet pipe is fixedly connected to the side wall of the lower mold; the water outlet pipe is located on the side away from the water tank pump; the above structure allows the cooling chamber to provide a larger heat exchange area, improves the cooling efficiency of the workpiece, allows water to enter the cooling chamber quickly, the water flow path is smoother, and reduces the cooling waiting time.

[0010] Preferably, the bottom of the cavity is provided with multiple grooves; the grooves are located at the corresponding ejector pin positions; a rubber pad is fixed to the end of the ejector pin; the above structure can effectively reduce the indentation or scratches left on the surface of the injection molded part due to hardness differences when the ejector pin directly contacts the injection molded part, so as to make the surface of the injection molded part intact.

[0011] Preferably, a wind collector shroud is fixedly connected to the middle of the fan; the wind collector shroud is flared; the above structure can guide the airflow, gather the airflow and direct it in a specific direction to form a directional airflow with high wind speed and pressure, effectively improving the dust removal effect.

[0012] Preferably, the bottom of the pressure plate is provided with a flexible pad; the flexible pad is fixed to the bottom of the pressure plate; the above structure can effectively reduce the damage caused by the pressure plate impacting the top of the fan for a long time, and effectively increase the service life of the fan.

[0013] The beneficial effects of this utility model are as follows:

[0014] 1. The present invention relates to an injection mold for automotive turn signal covers. By using the above-mentioned structure for gas-assisted ejection and injecting high-pressure gas into the cavity, an air cushion layer can be formed between the cavity and the workpiece, effectively reducing the contact area and friction between the workpiece and the cavity surface, reducing scratches, deformation or surface defects caused by traditional mechanical ejection, enabling the workpiece to be quickly separated from the lower mold, reducing cooling time and thus reducing production efficiency, adapting to complex shapes, and enabling the product to be completely demolded.

[0015] 2. The present invention relates to an injection mold for an automotive turn signal lamp cover. During the injection molding process, plastic debris, mold release agent residue, or dust impurities may remain in the lower mold. The fan uses directional airflow to quickly disperse the fine particles adhering to the lamp cover surface, reducing defects caused by surface impurities in subsequent processes, and accelerating airflow on the workpiece surface to assist in heat dissipation. Attached Figure Description

[0016] The present invention will be further described below with reference to the accompanying drawings.

[0017] Figure 1 This is a perspective view of the present invention;

[0018] Figure 2 This is a schematic diagram of the structure of the chip blowing assembly in this utility model;

[0019] Figure 3 This is a schematic diagram of the air blowing assembly in this utility model;

[0020] Figure 4 This is a cross-sectional view of the threaded cylinder in this utility model;

[0021] Figure 5 This is a schematic diagram of the cooling chamber in this utility model.

[0022] In the diagram: 1. Bracket; 11. Hydraulic module; 12. Upper mold; 13. Lower mold; 14. Guide post; 15. Ejector rod; 16. Cavity; 10. Hollow cavity; 2. Air blowing assembly; 21. Driver; 22. Transfer shaft; 23. First bevel gear; 24. Second bevel gear; 25. Air pump; 26. Exhaust pipe; 27. Rotating box; 28. Through hole; 29. ​​Threaded cylinder; 20. Slide groove; 201. Sliding top cylinder; 202. Exhaust hole; 203. Nut; 204. Connecting plate; 3. Chip blowing assembly; 31. Fixing rod; 32. Spring; 33. Sleeve; 34. Fan; 35. Filter screen; 36. Pressure plate; 4. Water tank pump; 41. Drain pipe; 42. Cooling chamber; 43. Water outlet pipe; 5. Groove; 51. Rubber pad; 6. Air collector hood; 7. Flexible pad. Detailed Implementation

[0023] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0024] like Figures 1 to 5As shown, an injection mold for an automotive turn signal lamp cover according to an embodiment of the present invention includes a bracket 1; a hydraulic module 11 is mounted on the top of the bracket 1; an upper mold 12 is fixedly connected to the output end of the hydraulic module 11; a lower mold 13 is fixedly connected to the middle of the bracket 1; a cavity 16 is formed on the top of the lower mold 13; a cavity 10 is formed in the middle of the lower mold 13; the cavity 10 is located at the bottom of the lower mold 13; a plurality of guide pillars 14 are provided on the top of the lower mold 13; an air blowing assembly 2 is mounted in the middle of the lower mold 13; a plurality of ejector rods 15 are mounted in the middle of the air blowing assembly 2; a chip blowing assembly 3 is provided in the middle of the bracket 1; the air blowing assembly 2 includes a driver 21; the driver 21 is mounted on the outer side wall of the lower mold 13; a transfer shaft 22 is fixedly connected to the output end of the driver 21; a first bevel gear 23 is fixedly connected to the end of the transfer shaft 22; a second bevel gear 24 is rotatably connected to the middle of the lower mold 13; the second bevel gear 24 is provided with The lower mold 13 is located at the bottom of cavity 10; the second bevel gear 24 and the first bevel gear 23 are meshed; a threaded cylinder 29 is fixedly connected to the top of the second bevel gear 24; a rotating box 27 is rotatably connected to the middle of the threaded cylinder 29; the rotating box 27 is located on the top of the second bevel gear 24; an exhaust pipe 26 is fixedly connected to the middle of the rotating box 27; a through hole 28 is opened in the middle of the threaded cylinder 29; the through hole 28 is located inside the corresponding rotating box 27; an air pump 25 is fixedly connected to the end of the exhaust pipe 26; the air pump 25 is located on the side wall of the lower mold 13; a nut 203 is installed in the middle of the threaded cylinder 29; a connecting plate 204 is fixedly connected to the middle of the nut 203; multiple push rods 15 are fixedly connected to the middle of the connecting plate 204; a sliding groove 20 is opened in the middle of the lower mold 13; a sliding top cylinder 201 is slidably connected in the middle of the sliding groove 20; multiple exhaust holes 202 are opened in the middle of the sliding top cylinder 201; the multiple exhaust holes 202 are equidistantly distributed.During operation, when the lampshade is being injection molded, the hydraulic module 11 controls the upper mold 12 to move downwards. The guide column 14 ensures accurate alignment between the upper mold 12 and the lower mold 13. The driver 21 controls its output to rotate the first bevel gear 23, which in turn rotates the second bevel gear 24. When the threaded cylinder 29 rotates with the second bevel gear 24, the rotating box 27 remains stationary. The nut 203 moves downwards, and the end of the ejector rod 15 aligns with the bottom surface of the cavity 16. After the upper mold 12 and lower mold 13 merge internally, the upper mold 12 injects the molding material into the cavity 16 through the gating channel. When the mold is formed, the control system controls the upper mold 12 to move upwards. Simultaneously, the driver 21 and air pump 25 are activated. The air pump 25 discharges high-pressure airflow into the rotating box 27, which then enters the end of the threaded cylinder 29 through the through hole 28. At this time, the high-pressure airflow... The sliding ejector cylinder 201 is impacted and slides upward in the middle of the groove 20. At this time, the sliding ejector cylinder 201 pushes the injection-molded lampshade. Multiple vent holes 202 discharge gas between the cavity 16 and the workpiece, allowing it to flexibly separate. When the driver 21 is activated, the threaded cylinder 29 rotates simultaneously, and the nut 203 moves upward, causing multiple ejector rods 15 to quickly lift the lampshade, thereby achieving complete and rapid demolding. Through the gas-assisted ejection structure described above and the injection of high-pressure gas into the cavity 16, an air cushion layer can be formed between the cavity 16 and the workpiece, effectively reducing the contact area and friction between the workpiece and the surface of the cavity 16. This reduces scratches, deformation, or surface defects caused by traditional mechanical ejection, and allows the workpiece to be quickly separated from the lower mold 13, reducing cooling time and thus production efficiency. It can adapt to complex shapes and ensure complete demolding of the product.

[0025] like Figure 1 and Figure 2As shown, the chip blowing assembly 3 includes a fixing rod 31; the fixing rod 31 is fixedly connected to the top of the bracket 1; a spring 32 is provided on the outside of the fixing rod 31; the spring 32 is fixedly connected to the top of the bracket 1; a sleeve 33 is slidably connected to the middle of the fixing rod 31; the end of the spring 32 is fixedly connected to the bottom of the sleeve 33; a fan 34 is fixedly connected to the end of the sleeve 33; two filters 35 are fixedly connected to the middle of the fan 34; the two filters 35 are arranged opposite each other; a pressure plate 36 is fixedly connected to the side wall of the upper mold 12; the pressure plate 36 corresponds to the position of the filters 35; during operation, the fan 34 is turned on, and the fan blades in the middle of the fan 34 generate high-speed rotation, expelling airflow to the surface of the lower mold 13. When injection molding, the upper mold 12 holds... As the upper mold 12 moves downward, the pressure plate 36 contacts the top of the fan 34 and presses down on the fan 34. With continuous pressure, the sleeve 33 slides downward in the middle of the fixed rod 31, and the spring 32 elastically contracts. After injection molding is completed, the upper mold 12 moves upward. As the pressure ends, the sleeve 33 elastically returns to its original position through the spring 32. The fan 34 moves to the position of the ejected lampshade and blows air onto its surface to remove debris. Through the above structure, plastic debris, mold release agent residue, or dust impurities may remain in the lower mold 13 during the injection molding process. The directional airflow of the fan 34 quickly disperses the fine particles attached to the surface of the lampshade, reducing defects caused by surface impurities in subsequent processes and accelerating airflow on the workpiece surface to assist in heat dissipation.

[0026] like Figure 3 and Figure 5 As shown, a water tank pump 4 is installed on the side wall of the bracket 1; a drain pipe 41 is fixedly connected to the top of the water tank pump 4; the drain pipe 41 passes through the side wall of the lower mold 13; two cooling chambers 42 are opened in the middle of the lower mold 13; the two cooling chambers 42 are connected; the end of the drain pipe 41 is located on the side wall of the cooling chamber 42; a water outlet pipe 43 is fixedly connected to the side wall of the lower mold 13; the water outlet pipe 43 is located on the side away from the water tank pump 4; during operation, the water tank pump 4 is connected to the cooling water source, and the cooling water is discharged into the cooling chamber 42 through the drain pipe 41 by the pump body. The cooling water flows into the two cooling chambers 42 and quickly cools the workpiece during injection molding through the cooling chambers 42. A valve is provided in the middle of the water outlet pipe 43. The water after cooling is discharged through the water outlet pipe 43 for collection and subsequent processing and reuse. Through the above structure, the cooling chamber 42 can provide a larger heat exchange area, improve the cooling efficiency of the workpiece, enable the water to enter the cooling chamber 42 quickly, the water flow path is smoother, and the cooling waiting time is reduced.

[0027] like Figure 3As shown, the bottom of the cavity 16 is provided with multiple grooves 5; the grooves 5 are located at the corresponding positions of the ejector pins 15; a rubber pad 51 is fixed to the end of the ejector pin 15; during operation, after the ejector pin 15 moves downward during injection molding, the rubber pad 51 enters the groove 5 and fits tightly. After the workpiece is injection molded, the ejector pin 15 applies pressure to it through the rubber pad 51, so that the ejector pin 15 makes flexible contact with the workpiece. The above structure can effectively reduce the indentation or scratches left on the surface of the injection molded part due to the hardness difference when the ejector pin 15 directly contacts the injection molded part, so that the surface of the injection molded part is intact.

[0028] like Figure 1 and Figure 2 As shown, a wind collector 6 is fixedly connected to the middle of the fan 34; the wind collector 6 is a flared opening; during operation, when the fan blades inside the fan 34 rotate at high speed, the airflow passes through the wind collector 6 and is concentrated and blown towards the mold position. The above structure can guide the airflow, gather the airflow and guide it in a specific direction to form a directional airflow with high wind speed and pressure, which effectively improves the chip removal effect.

[0029] like Figure 2 As shown, the bottom of the pressure plate 36 is provided with a flexible pad 7; the flexible pad 7 is fixed to the bottom of the pressure plate 36; during operation, when the mold is being injected, the upper mold 12 moves downward continuously. When the pressure plate 36 applies pressure to the top of the fan 34, the flexible pad 7 makes the pressure plate 36 flexibly contact the fan 34. The above structure can effectively reduce the damage caused by the pressure plate 36 impacting the top of the fan 34 for a long time, and effectively increase the service life of the fan 34.

[0030] During operation, when the lampshade is being injection molded, the hydraulic module 11 controls the upper mold 12 to move downwards. Guide pillars 14 ensure accurate alignment between the upper mold 12 and the lower mold 13. The driver 21 controls the output end to rotate the first bevel gear 23, which in turn drives the second bevel gear 24. When the threaded cylinder 29 rotates with the second bevel gear 24, the rotating box 27 remains stationary. The nut 203 moves downwards, and the end of the ejector rod 15 aligns with the bottom surface of the cavity 16. After the upper mold 12 and lower mold 13 merge internally, the injection molding material is injected into the cavity 16 through the gating channel inside the upper mold 12. Once the mold is formed, the control system controls the upper mold 12 to move upwards. Simultaneously, the driver 21 and air pump 25 are activated. The air pump 25 discharges high-pressure airflow into the rotating box 27, which then enters the end of the threaded cylinder 29 through the through hole 28. At this time, the high-pressure airflow impacts the sliding ejector cylinder 201, causing it to slide upwards in the middle of the slide groove 20. The sliding ejector cylinder 201 pushes the injection-molded lampshade, and multiple exhaust holes 202 discharge gas between the cavity 16 and the workpiece, allowing it to flexibly separate. When the driver 21 is activated, the threaded cylinder 29 rotates simultaneously, and the nut 203 moves upwards, causing multiple ejector rods 15 to quickly lift the lampshade, thus achieving complete and rapid demolding. The fan 34 is then activated, and the fan blades in the middle of the fan 34 rotate at high speed. Airflow is directed to the surface of the lower mold 13. During injection molding, the upper mold 12 moves continuously downwards. As the upper mold 12 moves, the pressure plate 36 contacts the top of the fan 34 and presses it down. With continuous pressure, the sleeve 33 slides downwards in the middle of the fixed rod 31, and the spring 32 elastically contracts. After injection molding is completed, the upper mold 12 moves upwards. As the pressure ends, the spring 32 causes the sleeve 33 to elastically return to its original position, and the fan 34 moves to the position of the ejected lampshade, blowing air onto its surface to remove debris. The water tank pump 4 is connected to the cooling water source, and the pump body discharges cooling water through the drain pipe 41 into the cooling chamber 42. The cooling water flows into the two cooling chambers 42 and cools the surface. Chamber 42 rapidly cools the workpiece during injection molding. A valve is installed in the middle of the water outlet pipe 43. After cooling, the water is discharged and collected through the water outlet pipe 43 for subsequent processing and reuse. During injection molding, after the ejector rod 15 moves downward, the rubber pad 51 enters the groove 5 and fits tightly. After the workpiece is injected, the ejector rod 15 applies pressure to it through the rubber pad 51, so that the ejector rod 15 makes flexible contact with the workpiece. When the fan blades inside the fan 34 rotate at high speed, the airflow passes through the air collector 6 and blows towards the mold position. When the mold is injected, the upper mold 12 moves downward continuously. When the pressure plate 36 applies pressure to the top of the fan 34, the flexible pad 7 makes the pressure plate 36 make flexible contact with the fan 34.

[0031] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A mould for injection moulding a cover for a car indicator, comprising a support (1); characterized in that: A hydraulic module (11) is installed on the top of the support (1); an upper mold (12) is fixedly connected to the output end of the hydraulic module (11); a lower mold (13) is fixedly connected to the middle of the support (1); a cavity (16) is opened on the top of the lower mold (13); a cavity (10) is opened in the middle of the lower mold (13); the cavity (10) is located at the bottom of the lower mold (13); multiple guide pillars (14) are provided on the top of the lower mold (13); an air blowing assembly (2) is installed in the middle of the lower mold (13); multiple push rods (15) are installed in the middle of the air blowing assembly (2); and a chip blowing assembly (3) is provided in the middle of the support (1).

2. The injection mold for a lens cover of a vehicle winker according to claim 1, wherein: The air blowing assembly (2) includes a driver (21); the driver (21) is installed on the outer wall of the lower mold (13); a transfer shaft (22) is fixedly connected to the output end of the driver (21); a first bevel gear (23) is fixedly connected to the end of the transfer shaft (22); a second bevel gear (24) is rotatably connected to the middle of the lower mold (13); the second bevel gear (24) is located at the bottom of the cavity (10); the second bevel gear (24) and the first bevel gear (23) are meshed; a threaded cylinder (29) is fixedly connected to the top of the second bevel gear (24); a rotating box (27) is rotatably connected to the middle of the threaded cylinder (29); the rotating box (27) is located on the top of the second bevel gear (24); a row of... Air pipe (26); a through hole (28) is provided in the middle of the threaded cylinder (29); the through hole (28) is located inside the corresponding rotating box (27); an air pump (25) is fixedly connected to the end of the exhaust pipe (26); the air pump (25) is located on the side wall of the lower mold (13); a nut (203) is installed in the middle of the threaded cylinder (29); a connecting plate (204) is fixedly connected in the middle of the nut (203); multiple push rods (15) are fixedly connected in the middle of the connecting plate (204); a sliding groove (20) is provided in the middle of the lower mold (13); a sliding top cylinder (201) is slidably connected in the middle of the sliding groove (20); multiple exhaust holes (202) are provided in the middle of the sliding top cylinder (201); the multiple exhaust holes (202) are equidistantly distributed.

3. The injection mold for a lens cover of a vehicle winker according to claim 1, wherein: The chip blowing assembly (3) includes a fixing rod (31); the fixing rod (31) is fixed to the top of the bracket (1); a spring (32) is provided on the outside of the fixing rod (31); the spring (32) is fixed to the top of the bracket (1); a sleeve (33) is slidably connected to the middle of the fixing rod (31); the end of the spring (32) is fixed to the bottom of the sleeve (33); a fan (34) is fixed to the end of the sleeve (33); two filter screens (35) are fixed to the middle of the fan (34); the two filter screens (35) are arranged opposite to each other; a pressure plate (36) is fixed to the side wall of the upper mold (12); the pressure plate (36) is positioned opposite to the filter screens (35).

4. The injection mold for a lens cover of a vehicle winker according to claim 1, wherein: A water tank pump (4) is installed on the side wall of the bracket (1); a drain pipe (41) is fixedly connected to the top of the water tank pump (4); the drain pipe (41) passes through the side wall of the lower mold (13); two cooling chambers (42) are opened in the middle of the lower mold (13); the two cooling chambers (42) are connected; the end of the drain pipe (41) is located on the side wall of the cooling chamber (42); a water outlet pipe (43) is fixedly connected to the side wall of the lower mold (13); the water outlet pipe (43) is located on the side away from the water tank pump (4).

5. The injection mold for a lens cover of a vehicle turn signal according to claim 1, wherein: The bottom of the cavity (16) is provided with a plurality of grooves (5); the grooves (5) are located at the corresponding positions of the push rods (15); and a rubber pad (51) is fixed to the end of the push rods (15).

6. The injection mold for a lens cover of a vehicle winker according to claim 3, wherein: The fan (34) is fixedly connected to the middle of the air collecting cover (6); the air collecting cover (6) is a flared opening.

7. The injection mold for a lens cover of a vehicle turn signal according to claim 3, wherein: The bottom of the pressure plate (36) is provided with a flexible pad (7); the flexible pad (7) is fixed to the bottom of the pressure plate (36).

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