Automobile xenon headlamp outer lampshade mold with sliding block inner core pulling mechanism

Abstract

The utility model belongs to the technical field of molds, and relates to an automobile xenon headlamp outer lampshade mold with a sliding block inner core pulling mechanism. The injection mold comprises a lower injection mold for the outer lampshade of the automobile xenon headlamp and an upper injection mold for the outer lampshade of the automobile xenon headlamp. In the injection molding process, molten materials are injected into the cavity through the injection molding part, the mold is opened after injection molding is completed, the core-pulling auxiliary molding assembly in the sliding block is ejected out obliquely and upwards, the lampshade main body molding panel is driven to move synchronously, and main body core-pulling demolding of the plastic part is achieved; and then the side edges of the periphery of the plastic part are subjected to inclined and straight ejection demolding through the inclined and straight ejection combined type ejection demolding part, an inclined and straight ejection combined type ejection demolding structure is adopted, all-directional ejection of the plastic part is achieved, ejection is smooth, the situation that the mold is stuck during demolding is avoided, and thorough separation of the plastic part and the mold plate is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model belongs to mould technical field relates to a kind of automobile xenon headlamp outer lampshade mould with slider inner core-pulling mechanism. BACKGROUND

[0002] With the continuous improvement of people's requirements for the use performance of automobile, the requirements for the appearance and interior decoration of automobile are also higher and higher, and the lampshade of automobile is mainly plastic part, so the quality of injection mould is an important factor affecting the lampshade of automobile. After the injection molding of automobile lampshade is completed, the injection molding part needs to be demolded, and when the existing automobile lampshade injection mould is demolded, the lampshade plastic part is arc-shaped, and there is no ejection core-pulling structure for the bottom of the plastic part during ejection. When the plastic part is directly ejected from the side edge of the plastic part, the plastic part and the mold plate are likely to be stuck, it is difficult to completely separate the plastic part from the mold plate, which affects the demolding efficiency and quality. Therefore, it is urgent to design a kind of automobile xenon headlamp outer lampshade mould with slider inner core-pulling mechanism which can overcome the above defects.

[0003] In order to overcome the defects of the prior art, people have explored various solutions, such as a kind of automobile lampshade injection mould [application number: 202210960663.2] is disclosed in Chinese patent, including base, chamber seat and external connecting seat, the chamber seat is arranged on the upper end of the base, and the lower end of the base is provided with a connecting mechanism matched with the external connecting seat. SUMMARY

[0004] The utility model aims at the above problem, provide a kind of automobile xenon headlamp outer lampshade mould with slider inner core-pulling mechanism.

[0005] To achieve the above object, the utility model adopts the following technical scheme:

[0006] A kind of automobile xenon headlamp outer lampshade mould with slider inner core-pulling mechanism, including automobile xenon headlamp outer lampshade injection lower mould and automobile xenon headlamp outer lampshade injection upper mould, the automobile xenon headlamp outer lampshade injection upper mould upper is equipped with injection molding part, the automobile xenon headlamp outer lampshade injection lower mould is equipped with lampshade main body forming panel and slider inner core-pulling auxiliary forming assembly, the slider inner core-pulling auxiliary forming assembly is opposite with lampshade main body forming panel and slider inner core-pulling auxiliary forming assembly can drive lampshade main body forming panel to move away from the one end of automobile xenon headlamp outer lampshade injection lower mould, the automobile xenon headlamp outer lampshade injection upper mould is equipped with lampshade forming concave cavity, the slider inner core-pulling auxiliary forming assembly and lampshade main body forming panel are respectively corresponding with the position of lampshade forming concave cavity and the shape is matched, the automobile xenon headlamp outer lampshade injection lower mould is equipped with oblique straight top combined type ejection demolding piece.

[0007] In the automobile xenon headlamp outer lampshade mold with the slider inner core-pulling mechanism, the slider inner core-pulling auxiliary forming assembly comprises an auxiliary forming slider and a limiting sliding seat arranged in the automobile xenon headlamp outer lampshade injection lower mold.

[0008] In the automobile xenon headlamp outer lampshade mold with the slider inner core-pulling mechanism, the limiting sliding seat is provided with an inclined sliding rail, and the auxiliary forming slider is in sliding cooperation with the inclined sliding rail.

[0009] In the automobile xenon headlamp outer lampshade mold with the slider inner core-pulling mechanism, the automobile xenon headlamp outer lampshade injection lower mold is provided with a slider supporting piece, and the bottom of the auxiliary forming slider is in abutment with the slider supporting piece.

[0010] In the automobile xenon headlamp outer lampshade mold with the slider inner core-pulling mechanism, the slider supporting piece comprises a supporting base arranged in the automobile xenon headlamp outer lampshade injection lower mold, the limiting sliding seat and the supporting base are arranged alternately, and the supporting base is in abutment with the bottom of the auxiliary forming slider.

[0011] In the automobile xenon headlamp outer lampshade mold with the slider inner core-pulling mechanism, the inclined and straight combined ejection demolding piece comprises a straight top part and an inclined top part arranged in the automobile xenon headlamp outer lampshade injection lower mold, the straight top part corresponds to the position of the lampshade main body forming panel, and the inclined top part corresponds to the position of the auxiliary forming slider.

[0012] In the automobile xenon headlamp outer lampshade mold with the slider inner core-pulling mechanism, the straight top part comprises a plurality of straight top blocks arranged in the automobile xenon headlamp outer lampshade injection lower mold, and the bottom of each straight top block is provided with a first straight top rod.

[0013] In the automobile xenon headlamp outer lampshade mold with the slider inner core-pulling mechanism, the automobile xenon headlamp outer lampshade injection lower mold is further provided with a large-area side auxiliary forming slider, and the bottom of the large-area side auxiliary forming slider is provided with a second straight top rod.

[0014] In the automobile xenon headlamp outer lampshade mold with the slider inner core-pulling mechanism, the inclined top part comprises a plurality of inclined top blocks arranged in the automobile xenon headlamp outer lampshade injection lower mold, the bottom of each inclined top block is provided with an inclined top connecting rod, the automobile xenon headlamp outer lampshade injection lower mold is provided below with an ejection rod fixing plate, the first straight top rod and the second straight top rod are connected with the ejection rod fixing plate respectively, and the inclined top connecting rod is connected with the ejection rod fixing plate through a sliding seat.

[0015] In the automobile xenon headlamp outer lampshade mold with the slider inner core-pulling mechanism, the injection molding part comprises an injection molding main plate arranged above an automobile xenon headlamp outer lampshade injection molding upper die, the automobile xenon headlamp outer lampshade injection molding upper die is internally provided with an injection molding channel, and the automobile xenon headlamp outer lampshade injection molding lower die is internally provided with an injection molding runner connected with the injection molding channel.

[0016] Compared with the prior art, the automobile xenon headlamp outer lampshade mold with the slider inner core-pulling mechanism has the advantages that:

[0017] 1、In the injection molding process, the automobile xenon headlamp outer lampshade injection molding lower die and the automobile xenon headlamp outer lampshade injection molding upper die are close to each other, so that the slider inner core-pulling auxiliary forming assembly and the lampshade main body forming panel are matched with the lampshade forming concave cavity respectively, a complete cavity is formed, the molten material is injected into the cavity through the injection molding part, after the injection molding is completed, the slider inner core-pulling auxiliary forming assembly is first pushed out obliquely upwards, the lampshade main body forming panel is driven to move synchronously, the main core-pulling demolding of the plastic part is realized, and then the oblique and straight top combined type ejection demolding piece is used for oblique and straight top demolding of the periphery of the plastic part.

[0018] 2、In the injection molding process, the supporting base is abutted with the bottom of the auxiliary forming slider, so that the auxiliary forming slider is prevented from sinking or shaking, and the stability is high.

[0019] Other advantages, objects and features of the present application will be apparent from the following description, and will be understood by those skilled in the art through a consideration of the present application and practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is a structural schematic view of the present application.

[0021] Figure 2 is a structural schematic view of the automobile xenon headlamp outer lampshade injection molding upper die.

[0022] Figure 3 is a partial structural schematic view of the present application.

[0023] Figure 4 is a partial structural schematic view of the present application in another direction.

[0024] Figure 5 is a partial structural schematic view of the present application in another direction.

[0025] In the diagram: 1. Lower mold for injection molding of automotive xenon headlight outer lens cover; 2. Upper mold for injection molding of automotive xenon headlight outer lens cover; 3. Injection part; 4. Lens cover body molding insert; 5. Slider inner core-pulling auxiliary molding component; 6. Lens cover molding cavity; 7. Slanted and straight ejector combined ejector demolding component; 8. Auxiliary molding slider; 9. Limiting slide; 10. Slanted slide rail; 11. Slider support component; 12. Support base; 13. Straight ejector; 14. Slanted ejector; 15. First straight ejector rod; 16. Large area side auxiliary molding slider; 17. Second straight ejector rod; 18. Slanted ejector block; 19. Slanted ejector connecting rod; 20. Slider; 21. Injection main board; 22. Injection channel; 23. Injection runner; 24. Detailed Implementation

[0026] The present invention will be further described below with reference to the accompanying drawings.

[0027] like Figures 1-5 As shown, a mold for an automotive xenon headlight outer lamp cover with a slider-type core-pulling mechanism includes a lower injection mold 1 and an upper injection mold 2 for an automotive xenon headlight outer lamp cover. An injection molded part 3 is disposed above the upper injection mold 2. The lower injection mold 1 contains a lamp cover body forming plate 4 and a slider-type core-pulling auxiliary forming component 5. The slider-type core-pulling auxiliary forming component 5 abuts against the lamp cover body forming plate 4 and can drive the lamp cover body forming plate 4 to move away from the lower injection mold 1. The upper injection mold 2 has a lamp cover forming cavity 6. The slider-type core-pulling auxiliary forming component 5 and the lamp cover body forming plate 4 are respectively positioned and shaped to match the lamp cover forming cavity 6. The lower injection mold 1 contains a combined inclined and straight ejector mold release component 7.

[0028] In this embodiment, during the injection molding process, the lower mold 1 and the upper mold 2 of the automotive xenon headlight outer lens are brought close together, so that the inner core-pulling auxiliary molding component 5 and the main body molding plate 4 of the lens cover respectively cooperate with the lens cover molding cavity 6 to form a complete cavity. The molten material is injected into the cavity through the injection molded part 3. After the injection molding is completed, the mold is opened. First, the inner core-pulling auxiliary molding component 5 of the slider is pushed out obliquely upward, driving the main body molding plate 4 of the lens cover to move synchronously, realizing the core-pulling demolding of the main body of the plastic part. Then, the oblique and straight ejection demolding component 7 is used to eject the four sides of the plastic part by oblique and straight ejection. The oblique and straight ejection demolding structure is adopted to realize the all-round ejection of the plastic part, the ejection is smooth, and the demolding jamming situation is avoided, which facilitates the complete separation of the plastic part from the mold plate.

[0029] Combination Figures 1-5As shown, the slide core-pulling auxiliary forming assembly 5 comprises an auxiliary forming slide 8 and a limiting slide seat 9 arranged in the lower mold 1 of the automobile xenon headlamp outer lampshade injection molding, the auxiliary forming slide 8 is in sliding cooperation with the limiting slide seat 9, the limiting slide seat 9 has an inclined slide rail 10, and the auxiliary forming slide 8 is in sliding cooperation with the inclined slide rail 10.

[0030] Specifically, in the injection molding process, the auxiliary forming slide 8 cooperates with the lampshade main body forming panel 4 to assist in forming the lower surface of the plastic part, after the injection molding is completed, the auxiliary forming slide 8 moves upward along the track of the inclined slide rail 10, driving the lampshade main body forming panel 4 to move synchronously, realizing the main body core-pulling demolding of the plastic part, and facilitating the complete separation of the plastic part and the mold plate.

[0031] The lower mold 1 of the automobile xenon headlamp outer lampshade injection molding is provided with a slide supporting piece 11, and the bottom of the auxiliary forming slide 8 is in abutment with the slide supporting piece 11.

[0032] In this embodiment, the slide supporting piece 11 is in abutment with the bottom of the auxiliary forming slide 8 during injection molding, avoiding the auxiliary forming slide 8 from sinking or shaking during injection molding, and having strong stability.

[0033] Combination Figures 4-5 As shown, the slide supporting piece 11 comprises a supporting base 12 arranged in the lower mold 1 of the automobile xenon headlamp outer lampshade injection molding, the limiting slide seat 9 and the supporting base 12 are arranged staggeredly, and the supporting base 12 is in abutment with the bottom of the auxiliary forming slide 8.

[0034] In this embodiment, the supporting base 12 is in abutment with the bottom of the auxiliary forming slide 8 during injection molding, avoiding the auxiliary forming slide 8 from sinking or shaking during injection molding, and having strong stability.

[0035] The inclined and straight combined ejection demolding piece 7 comprises a straight top part 13 and an inclined top part 14 arranged in the lower mold 1 of the automobile xenon headlamp outer lampshade injection molding, the straight top part 13 corresponds to the position of the lampshade main body forming panel 4, and the inclined top part 14 corresponds to the position of the auxiliary forming slide 8.

[0036] In this embodiment, after the auxiliary forming slide 8 moves upward along the track of the inclined slide rail 10, driving the lampshade main body forming panel 4 to move synchronously, realizing the main body core-pulling demolding of the plastic part, the straight top part 13 is used to straightly eject the side edges of the plastic part around the lampshade main body forming panel 4, and the inclined top part 14 is used to obliquely eject the side edges of the plastic part around the auxiliary forming slide 8, the inclined and straight combined ejection demolding structure is adopted, realizing the all-around ejection of the plastic part, the ejection is smooth, and the demolding jamming is avoided.

[0037] The straight top 13 includes a plurality of straight top blocks 15 disposed in the lower mold 1 for injection molding of the outer cover of the automotive xenon headlight, and the bottom of the straight top block 15 is provided with a first straight top rod 16.

[0038] In this embodiment, during demolding, the first ejector rod 16 is moved upward, causing the ejector block 15 to move synchronously. The ejector block 15 then ejects the plastic parts around the lampshade body molding panel 4.

[0039] Combination Figure 4 As shown, the lower injection mold 1 for the outer lens cover of the automotive xenon headlight is also provided with a large-area side auxiliary forming slider 17, and the bottom of the large-area side auxiliary forming slider 17 is provided with a second straight push rod 18.

[0040] In this embodiment, during demolding, the second straight ejector rod 18 is moved upward, which drives the large-area side auxiliary molding slider 17 to move synchronously. The large-area side auxiliary molding slider 17 ejects and demolds the outer side of the plastic part over a large area, resulting in a large ejection area.

[0041] Combination Figures 1-5 As shown, the inclined top 14 includes several inclined top blocks 19 disposed in the lower injection mold 1 of the automotive xenon headlight outer lamp cover. The bottom of the inclined top block 19 is provided with an inclined top connecting rod 20. The lower part of the automotive xenon headlight outer lamp cover injection mold 1 is provided with an ejector rod fixing plate. The first straight ejector rod 16 and the second straight ejector rod 18 are respectively connected to the ejector rod fixing plate. The inclined top connecting rod 20 and the ejector rod fixing plate are connected by a slide block 21.

[0042] In this embodiment, during demolding, the inclined ejector block 19 is moved obliquely upward by the inclined ejector connecting rod 20 to obliquely eject the side of the plastic part located around the auxiliary molding slider 8. The ejector rod fixing plate is used to fix the first straight ejector rod 16 and the second straight ejector rod 18. The inclined ejector connecting rod 20 and the ejector rod fixing plate are connected by a slide block 21 to facilitate oblique ejection.

[0043] Combination Figure 3 As shown, the injection molded part 3 includes an injection main board 22 disposed above the upper injection mold 2 of the automotive xenon headlight outer lamp cover. The upper injection mold 2 of the automotive xenon headlight outer lamp cover is provided with an injection channel 23, and the lower injection mold 1 of the automotive xenon headlight outer lamp cover is provided with an injection diversion channel 24 connected to the injection channel 23.

[0044] In this embodiment, during injection molding, the molten material is injected into the injection channel 23 through the injection main plate 22, and then diverted through the injection diversion channel 24, which speeds up the injection rate.

[0045] The working principle of this utility model is as follows:

[0046] In the injection molding process, the automobile xenon headlamp outer lampshade injection molding lower die 1 and the automobile xenon headlamp outer lampshade injection molding upper die 2 are close to each other, so that the auxiliary forming slider 8 and the lampshade main body forming panel 4 are matched with the lampshade forming cavity 6 respectively, forming a complete cavity, and the molten material is injected into the injection molding channel 23 through the injection molding main plate 22, and then is shunted through the injection molding shunt 24, so that the injection rate is accelerated, after the injection molding is completed, the auxiliary forming slider 8 moves obliquely upward along the track of the inclined slide rail 10, driving the lampshade main body forming panel 4 to move synchronously, realizing the main core pulling demolding of the plastic part, facilitating the complete separation of the plastic part and the mold plate, after the auxiliary forming slider 8 moves obliquely upward along the track of the inclined slide rail 10, driving the lampshade main body forming panel 4 to move synchronously, realizing the main core pulling demolding of the plastic part, the straight top part 13 is used to straightly top the side edge of the plastic part around the lampshade main body forming panel 4, and the inclined top part 14 is used to obliquely top the side edge of the plastic part around the auxiliary forming slider 8, the oblique and straight top combined ejection demolding structure is adopted, realizing the all-round ejection of the plastic part, the ejection is smooth, and the demolding jamming situation is avoided,

[0047] In the injection molding process, the bearing base 12 is in abutment with the bottom of the auxiliary forming slider 8, so that the auxiliary forming slider 8 does not sink or shake during the injection molding process, and the stability is high,

[0048] When demolding, the first straight top rod 16 is moved upward, driving the straight top block 15 to move synchronously, and the straight top block 15 is used to straightly top the side edge of the plastic part around the lampshade main body forming panel 4,

[0049] When demolding, the second straight top rod 18 is moved upward, driving the large-area side auxiliary forming slider 17 to move synchronously, and the large-area side auxiliary forming slider 17 is used to ejection demold the outer side of the plastic part, and the ejection area is large,

[0050] When demolding, the inclined top connecting rod 20 drives the inclined top block 19 to move obliquely upward, and the inclined top block 19 is used to obliquely top the side edge of the plastic part around the auxiliary forming slider 8, the ejection rod fixing plate is used to fix the first straight top rod 16 and the second straight top rod 18, the inclined top connecting rod 20 and the ejection rod fixing plate are connected through the sliding seat 21, and the inclined top is facilitated.

[0051] The specific embodiments described in the present document are only illustrative of the spirit of the present application. Those skilled in the art to which the present application belongs can make various modifications or supplements to the described specific embodiments or adopt similar ways to replace them, without deviating from the spirit of the present application.

[0052] Although the terms of automobile xenon headlamp outer lampshade injection lower mold 1, automobile xenon headlamp outer lampshade injection upper mold 2, injection part 3, lampshade main body forming panel 4, slider inner core-pulling auxiliary forming assembly 5, lampshade forming cavity 6, oblique straight top combined ejection demolding part 7, auxiliary forming slider 8, limiting sliding seat 9, oblique sliding rail 10, slider bearing part 11, bearing base 12, straight top part 13, oblique top part 14, straight top block 15, first straight top rod 16, large-area side auxiliary forming slider 17, second straight top rod 18, oblique top block 19, oblique top connecting rod 20, sliding seat 21, injection main plate 22, injection channel 23, injection runner 24 are used more in the text, but the possibility of using other terms is not excluded. Using these terms is only to facilitate the description and explanation of the essence of the utility model, and it is contrary to the spirit of the utility model to interpret them as any kind of additional limitation.

Claims

1. A mould for automobile xenon headlamp outer lampshade with slider inner core pulling mechanism, comprising an automobile xenon headlamp outer lampshade injection lower mould (1) and an automobile xenon headlamp outer lampshade injection upper mould (2), characterized in that, The automobile xenon headlamp outer lampshade injection molding upper die (2) is provided with an injection molding part (3) above, the automobile xenon headlamp outer lampshade injection molding lower die (1) is provided with a lampshade main body forming panel (4) and a slider inner core-pulling auxiliary forming assembly (5) inside, the slider inner core-pulling auxiliary forming assembly (5) is in abutment with the lampshade main body forming panel (4) and the slider inner core-pulling auxiliary forming assembly (5) can drive the lampshade main body forming panel (4) to move away from one end of the automobile xenon headlamp outer lampshade injection molding lower die (1), the automobile xenon headlamp outer lampshade injection molding upper die (2) is provided with a lampshade forming cavity (6) inside, the slider inner core-pulling auxiliary forming assembly (5) and the lampshade main body forming panel (4) correspond to the position of the lampshade forming cavity (6) respectively and are matched in shape, the automobile xenon headlamp outer lampshade injection molding lower die (1) is provided with an inclined straight top combined type ejection demolding part (7) inside.

2. The mold for automobile xenon headlamp outer lens cover having a slider inner core pulling mechanism according to claim 1, characterized in that, The slider inner core-pulling auxiliary forming assembly (5) comprises an auxiliary forming slider (8) and a limiting sliding seat (9) arranged in the automobile xenon headlamp outer lampshade injection molding lower die (1), and the auxiliary forming slider (8) is in sliding cooperation with the limiting sliding seat (9).

3. The mold for automobile xenon headlamp outer lens cover having a slider inner core pulling mechanism according to claim 2, characterized in that, The limiting sliding seat (9) is provided with an inclined sliding rail (10) inside, and the auxiliary forming slider (8) is in sliding cooperation with the inclined sliding rail (10).

4. The mold for automobile xenon headlamp outer lens cover having a slider inner core pulling mechanism according to claim 3, characterized in that, The automobile xenon headlamp outer lampshade injection molding lower die (1) is provided with a slider supporting part (11) inside, and the bottom of the auxiliary forming slider (8) is in abutment with the slider supporting part (11).

5. The mold for automobile xenon headlamp outer lens cover having a slider inner core pulling mechanism according to claim 4, characterized in that, The slider supporting part (11) comprises a supporting base (12) arranged in the automobile xenon headlamp outer lampshade injection molding lower die (1), the limiting sliding seat (9) and the supporting base (12) are arranged staggeredly, and the supporting base (12) is in abutment with the bottom of the auxiliary forming slider (8).

6. The mold for automobile xenon headlamp outer lens cover having a slider inner core pulling mechanism according to claim 5, characterized in that, The inclined straight top combined type ejection demolding part (7) comprises a straight top part (13) and an inclined top part (14) arranged in the automobile xenon headlamp outer lampshade injection molding lower die (1), the straight top part (13) corresponds to the position of the lampshade main body forming panel (4), and the inclined top part (14) corresponds to the position of the auxiliary forming slider (8).

7. The mold for automobile xenon headlamp outer lens cover having a slider inner core pulling mechanism according to claim 6, characterized in that, The straight top part (13) comprises a plurality of straight top blocks (15) arranged in the automobile xenon headlamp outer lampshade injection molding lower die (1), and the bottom of each straight top block (15) is provided with a first straight top rod (16).

8. The automobile xenon headlamp outer lens cover mold having a slider inner core pulling mechanism according to claim 7, characterized in that, The automobile xenon headlamp outer lampshade injection molding lower die (1) is further provided with a large-area side auxiliary forming slider (17), and the bottom of the large-area side auxiliary forming slider (17) is provided with a second straight top rod (18).

9. The automobile xenon headlamp outer lens cover mold having a slider inner core pulling mechanism according to claim 8, characterized in that, The inclined top part (14) comprises a plurality of inclined top blocks (19) arranged in the automobile xenon headlamp outer lampshade injection molding lower die (1), the bottom of each inclined top block (19) is provided with an inclined top connecting rod (20), the automobile xenon headlamp outer lampshade injection molding lower die (1) is provided with an ejection rod fixing plate below, the first straight top rod (16) and the second straight top rod (18) are connected with the ejection rod fixing plate respectively, and the inclined top connecting rod (20) is connected with the ejection rod fixing plate through a sliding seat (21).

10. The mold for automobile xenon headlamp outer lens cover having a slider inner core pulling mechanism according to claim 9, wherein The injection molding part (3) comprises an injection molding main plate (22) arranged above an automobile xenon headlamp outer lampshade injection molding upper mold (2), the automobile xenon headlamp outer lampshade injection molding upper mold (2) is internally provided with an injection molding channel (23), and the automobile xenon headlamp outer lampshade injection molding lower mold (1) is internally provided with an injection molding branch channel (24) connected with the injection molding channel (23).

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