An injection mold for automobile side A-pillar decorative strip

Abstract

The invention discloses the technical field of injection molds, and more specifically discloses an injection mold for a decorative strip of an A-pillar on a side of an automobile, comprising an upper door panel, a hot runner plate, a mold foot, a fixed mold panel, a movable mold panel, a guide column assembly, an inner draw pad plate and a lower door panel, wherein a fixed mold core is arranged in the fixed mold panel, a movable mold core is arranged below the fixed mold core, a locking block and a slider are arranged in the movable mold panel, and the other end of the guide column assembly of the invention sequentially penetrates the movable mold panel and the fixed mold panel from bottom to top, one end of the slider is slidably connected to the movable mold core, and the other end of the slider is snap-connected with the locking block, thereby solving the problem that the existing injection mold for the decorative strip of the A-pillar on the side of an automobile has a complex structure and a relatively large volume, and the product is attached to the movable mold and then ejected by an ejection mechanism inside the movable mold, and has a relatively poor stability performance, so the injection mold has the characteristic of good stability during the mold opening process.

Description

Technical Field

[0001] The invention discloses the technical field of injection molds, and more specifically discloses an injection mold for a decorative strip of an A-pillar of a side enclosure of an automobile. Background Art

[0002] The mold used for injection molding of the A-pillar decorative strip of the side of the automobile is called an injection molding mold, also known as an injection mold. The existing injection mold for the A-pillar decorative strip of the side of the automobile has a complex structure and a relatively large volume, and the product is attached to the movable mold and then ejected by the ejection mechanism inside the movable mold. Therefore, there is a problem of poor stability performance. In addition, in the prior art, the demoulding angle of the injection mold for the A-pillar decorative strip of the side of the automobile is too large during the demoulding process, resulting in poor product quality after demoulding. At the same time, the injection mold for the A-pillar decorative strip of the side of the automobile has a relatively complex mold opening method and high cost. Summary of the invention

[0003] In view of this, the object of the present invention is to provide an injection mold for automobile side A-pillar decorative strips with low enterprise cost, good product quality and good stability.

[0004] In order to solve the above technical problems, the technical solution of the present invention is:

[0005] An injection mold for a decorative strip of an A-pillar on a side of an automobile comprises an upper door panel, a hot runner plate, a mold foot, a fixed mold plate, a movable mold plate, a guide column assembly, an inner draw-out gasket plate and a lower door panel, wherein the lower door panel is fixedly connected to the inner draw-out gasket plate, the inner draw-out gasket plate is fixedly connected to one end of the guide column assembly, the other end of the guide column assembly sequentially passes through the movable mold plate and the fixed mold plate from bottom to top, the movable mold plate is fixedly connected to one end of the mold foot, the other end of the mold foot is fixedly connected to the hot runner plate, the hot runner plate is fixed to the lower end of the upper door panel, a fixed mold core is arranged in the fixed mold plate, a movable mold core is arranged below the fixed mold core, the movable mold core is fixed in the movable mold plate, a locking block and a slider are arranged in the movable mold plate, one end of the slider is slidably connected to the movable mold core, the other end of the slider is connected by a clamping connection with the locking block, and since the other end of the guide column assembly sequentially passes through the movable mold plate and the fixed mold plate from bottom to top It runs through the movable mold plate and the fixed mold plate, and the movable mold core is slidably connected to one end of the slider, and the other end of the slider is clamped and connected to the locking block. When the movable mold plate and the fixed mold plate are opened, the fixed mold plate drives the movable mold plate to open the mold according to the upward track movement of the guide column assembly. At this time, the slider and the locking block between the fixed mold core and the movable mold core do not move, and then the slider and the movable mold core are demolded according to the inclined track movement of the slider. At this time, the product is separated from the movable mold core and attached to the side of the fixed mold, and then the product is ejected by a conventional inclined ejector (not marked in the figure), and finally the product is separated, thereby solving the problem that the existing injection mold for the A-pillar decorative strip of the side of the automobile is complex in structure and relatively large in size, and the product is attached to the movable mold and then ejected by the ejection mechanism inside the movable mold, and there is a relatively poor stability performance. Therefore, the injection mold has the characteristics of good stability during the mold opening process.

[0006] Preferably, the movable mold core includes a first movable mold core and a second movable mold core, and the second movable mold core is located on the right side of the first movable mold core. Since the movable mold core includes the first movable mold core and the second movable mold core, the first movable mold core and the second movable mold core can respectively form a product, thereby reducing enterprise costs.

[0007] Preferably, the slider includes a first slider, a second slider, a third slider and a fourth slider, the fourth slider is slidably connected to the right side of the second movable mold core, the left side of the second movable mold core is slidably connected to the third slider, the third slider is located on the right side of the second slider, the second slider is slidably connected to the right side of the first movable mold core, and the left side of the first movable mold core is slidably connected to the first slider. Since the fourth slider is slidably connected to the right side of the second movable mold core, the left side of the second movable mold core is slidably connected to the third slider, the third slider is located on the right side of the second slider, the second slider is slidably connected to the right side of the first movable mold core, and the left side of the first movable mold core is slidably connected to the first slider. When the mold is opened, the second movable mold core moves along the inclined track of the third slider and the fourth slider. The product is demoulded by the inclined track movement of the slider and the first movable mold core moves along the inclined track of the second slider and the inclined track of the first slider to demould the product, thereby achieving the purpose of demoulding two products at the same time, and the slider includes a first slider, a second slider, a third slider and a fourth slider. The slider adopts a split structure, that is, the first slider and the second slider are used in combination, and the third slider and the fourth slider are used in combination to solve the problem of a single slider sliding angle being too large, thereby ensuring the stability of the slider and the strength of the movable mold core, thereby solving the problem in the prior art that the demoulding angle of the automobile side A-pillar decorative strip injection mold is too large during the demoulding process, resulting in poor product quality after demoulding, so the injection mold can improve product quality.

[0008] Preferably, the locking block includes a first locking block, a second locking block and a third locking block, the third locking block is clamped and connected to the fourth slider, and the third locking block is located on the right side of the second locking block, the second locking block is respectively clamped and connected to the third slider and the second slider, the second locking block is located on the right side of the first locking block, and the first locking block is clamped and connected to the first slider. Since the third locking block is clamped and connected to the fourth slider, and the third locking block is located on the right side of the second locking block, the second locking block is respectively clamped and connected to the third slider and the second slider, the second locking block is located on the right side of the first locking block, and the first locking block The block is connected with the first slider by clamping. When the mold is opened, the first locking block, the second locking block and the third locking block can lock the first slider, the second slider, the third slider and the fourth slider to keep them immobile, and then the movable mold core moves according to the inclined track of the first slider, the second slider, the third slider and the fourth slider to be demolded. At this time, the product is separated from the movable mold core, and the product is attached to the side of the fixed mold, thereby solving the problem that the existing injection mold for the side A-pillar decorative strip of the automobile is complex in structure and relatively large in volume, and the product is attached to the movable mold and then ejected by the ejection mechanism inside the movable mold, and the stability performance is relatively poor. Therefore, the injection mold has the characteristic of good stability during the mold opening process.

[0009] Preferably, an injection port is provided on the upper door panel, and the injection port is connected with the hot runner plate. Since the injection port is connected with the hot runner plate, the plastic melt can enter the hot runner plate from the injection port, and then the plastic melt can be sent to the fixed mold core and the movable mold core at a constant temperature to complete product molding, thereby improving product quality.

[0010] Preferably, the guide column assembly includes a main guide column and two or more main guide sleeves, and the main guide sleeves are sleeved on the outer side surface of the main guide column.

[0011] Preferably, the number of the main guide sleeves is three, and the main guide sleeves are evenly distributed on the main guide column. Since the main guide sleeves are evenly distributed on the main guide column, the three main guide sleeves are evenly distributed on the main guide column, which enables the fixed mold and the movable mold to open the mold smoothly along the main guide column, thereby improving stability.

[0012] Preferably, a top plate is provided in the mold foot, and the top plate is located below the hot runner plate.

[0013] Preferably, the top plate includes an upper top plate and a lower top plate, and the lower top plate is located below the upper top plate. Since the lower top plate is located below the upper top plate, the lower top plate can drive the upper top plate to push a conventional ejector rod (not marked in the figure) to eject the product from the fixed mold core, thereby achieving the purpose of product demolding.

[0014] Preferably, the mold foot comprises a first mold foot and a second mold foot, and the second mold foot is located on the right side of the first mold foot.

[0015] Compared with the prior art, the beneficial technical effects of the present invention are mainly reflected in that: the present invention passes through the movable mold plate and the fixed mold plate from bottom to top in sequence through the other end of the guide column assembly, the movable mold core is slidably connected at one end of the slider, and the other end of the slider is clamped and connected with the locking block. When the movable mold plate and the fixed mold plate are opened, the fixed mold plate drives the movable mold plate to open the mold according to the upward track movement of the guide column assembly. At this time, the slider and the locking block between the fixed mold core and the movable mold core do not move, and then the slider and the movable mold core are demolded according to the inclined track movement of the slider. At this time, the product is separated from the movable mold core and attached to the side of the fixed mold, and then the product is ejected by a conventional inclined ejector (not marked in the figure), and finally the product is separated, thereby solving the problems of complex structure and relatively large volume of the existing injection mold for the A-pillar decorative strip of the side of the automobile, and And the product is attached to the movable mold, and then ejected by the ejection mechanism inside the movable mold, there is a problem of poor stability performance, so the injection mold has the characteristics of good stability during the mold opening process, and the movable mold core includes a first movable mold core and a second movable mold core, the first movable mold core and the second movable mold core can respectively form a product, thereby reducing enterprise costs, and at the same time, the fourth slider is slidably connected to the right side of the second movable mold core, the left side of the second movable mold core is slidably connected to the third slider, the third slider is located on the right side of the second slider, the second slider is slidably connected to the right side of the first movable mold core, and the left side of the first movable mold core is slidably connected to the first slider. When the mold is opened, the second movable mold core moves along the inclined track of the third slider and the inclined track of the fourth slider to demold the product and the first movable mold core is released. The mold core moves along the inclined track of the second slider and the inclined track of the first slider to demould the product, thereby achieving the purpose of demoulding two products at the same time, and the slider includes a first slider, a second slider, a third slider and a fourth slider. The slider adopts a split structure, that is, the first slider and the second slider are used in combination, and the third slider and the fourth slider are used in combination to solve the problem of a single slider sliding angle being too large, thereby ensuring the stability of the slider and the strength of the movable mold core, thereby solving the problem in the prior art that the demoulding angle of the automobile side A-pillar decorative strip injection mold is too large during the demoulding process, resulting in poor product quality after demoulding. Therefore, the injection mold can improve product quality, and the third locking block is connected to the fourth slider by a clamping connection, and the third locking block The second locking block is located on the right side of the second locking block, and the second locking block is respectively connected with the third slider and the second slider by clamping. The second locking block is located on the right side of the first locking block, and the first locking block is connected with the first slider by clamping. When the mold is opened, the first locking block, the second locking block and the third locking block can lock the first slider, the second slider, the third slider and the fourth slider to keep them stationary, and then the movable mold core moves according to the inclined track of the first slider, the second slider, the third slider and the fourth slider to demould. At this time, the product is separated from the movable mold core, and the product is attached to the side of the fixed mold, thereby solving the problem that the existing injection mold for the side A-pillar decorative strip of the automobile is complex in structure and relatively large in volume, and the product is attached to the movable mold and then ejected by the ejection mechanism inside the movable mold.There is a problem of relatively poor stability performance, so the injection mold has the characteristics of good stability during the mold opening process. At the same time, the injection port is connected to the hot runner plate, which can make the plastic melt enter the hot runner plate from the injection port, and then send the plastic melt into the fixed mold core and the movable mold core at a constant temperature to complete the product molding, thereby improving the product quality, and the main guide sleeves are evenly distributed on the main guide column. The three main guide sleeves are evenly distributed on the main guide column, which can make the fixed mold plate and the movable mold plate open the mold smoothly along the main guide column, thereby improving the stability. At the same time, the lower top plate is located below the upper top plate, and the lower top plate can drive the upper top plate to push the conventional ejector (not marked in the figure) to eject the product from the fixed mold core, thereby achieving the purpose of product demolding. , BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 : Front view of the present invention;

[0017] Figure 2 : Exploded view of the present invention;

[0018] Figure 3 : Cross-sectional view of the present invention.

[0019] Among them: 1-upper door panel; 2-hot runner plate; 3-mold foot; 4-fixed mold plate; 5-movable mold plate; 6-guide column assembly; 7-inner draw pad plate; 8-lower door panel; 9-fixed mold core; 10-movable mold core; 11-locking block; 12-slider; 13-first movable mold core; 14-second movable mold core; 15-first slider; 16-second slider; 17-third slider; 18-fourth slider; 19-first locking block; 20-second locking block; 21-third locking block; 22-injection port; 23-leading column; 24-leading sleeve; 25-top plate; 26-upper top plate; 27-lower top plate; 28-first mold foot; 29-second mold foot. DETAILED DESCRIPTION

[0020] The specific implementation modes of the present invention are further described below in conjunction with the accompanying drawings to make the technical solutions of the present invention easier to understand and grasp.

[0021] like Figure 1-3As shown, an injection mold for a decorative strip of an A-pillar of a side enclosure of an automobile comprises an upper door panel 1, a hot runner plate 2, a mold foot 3, a fixed mold plate 4, a movable mold plate 5, a guide column assembly 6, an inner draw-out gasket plate 7 and a lower door panel 8, wherein the lower door panel 8 is fixedly connected to the inner draw-out gasket plate 7, the inner draw-out gasket plate 7 is fixedly connected to one end of the guide column assembly 6, the other end of the guide column assembly 6 sequentially passes through the movable mold plate 5 and the fixed mold plate 4 from bottom to top, the movable mold plate 5 is fixedly connected to one end of the mold foot 3, the other end of the mold foot 3 is fixedly connected to the hot runner plate 2, the hot runner plate 2 is fixed to the lower end of the upper door panel 1, a fixed mold core 9 is arranged in the fixed mold plate 4, and a movable mold core 10 is arranged below the fixed mold core 9. The movable mold core 10 is fixed in the movable mold plate 5, and a locking block 11 and a slider 12 are provided in the movable mold plate 5. The movable mold core 10 is slidably connected at one end of the slider 12, and the other end of the slider 12 is connected with the locking block 11 by a clamping connection. The movable mold core 10 includes a first movable mold core 13 and a second movable mold core 14. The second movable mold core 14 is located on the right side of the first movable mold core 13. The slider 12 includes a first slider 15, a second slider 16, a third slider 17 and a fourth slider 18. The fourth slider 18 is slidably connected to the right side of the second movable mold core 14, and the left side of the second movable mold core 14 is slidably connected to the third slider 17. The third slider 17 is located on the first movable mold core 13. The second slider 16 is on the right side, the second slider 16 is slidably connected to the right side of the first movable mold core 13, the first movable mold core 13 is slidably connected to the first slider 15 on the left side, the locking block includes a first locking block 19, a second locking block 20 and a third locking block 21, the third locking block 21 is connected to the fourth slider 18 by clamping, and the third locking block 21 is located on the right side of the second locking block 20, the second locking block 20 is respectively connected to the third slider 17 and the second slider 16 by clamping, the second locking block 20 is located on the right side of the first locking block 19, the first locking block 19 is connected to the first slider 15 by clamping, and the upper door panel 1 is connected to the upper door panel 1. An injection port 22 is provided, and the injection port 22 is connected to the hot runner plate 2. The guide column assembly 6 includes a main column 23 and two or more main guide sleeves 24. The main guide sleeves 24 are sleeved on the outer side of the main column 23. The number of the main guide sleeves 24 is three, and the main guide sleeves 24 are evenly distributed on the main column 23. A top plate 25 is provided in the mold foot 3, and the top plate 25 is located below the hot runner plate 2. The top plate 25 includes an upper top plate 26 and a lower top plate 27. The lower top plate 27 is located below the upper top plate 26. The mold foot 3 includes a first mold foot 28 and a second mold foot 29. The second mold foot 29 is located on the right side of the first mold foot 28.

[0022] The working process of the injection mold for the A-pillar decorative strip of the side of the automobile is as follows: when the mold is closed, the plastic melt enters the hot runner plate through the injection port in the upper door panel, and then the hot runner plate is used to send the plastic melt into the fixed mold core and the movable mold core at a constant temperature to complete the product molding. Then, when the mold is opened, the fixed mold plate drives the movable mold plate to move along the upward track of the guide column according to the three main guide sleeves of the guide column assembly. At this time, the first locking block, the second locking block and the third locking block of the locking block respectively lock the first slider, the second slider, the third slider and the fourth slider to remain stationary, and then the movable slider is moved. The second movable mold core of the mold core moves along the inclined track of the third slider and the inclined track of the fourth slider, and then the product and the second movable mold core are demolded. At the same time, the first movable mold core of the movable mold core moves along the inclined track of the second slider and the inclined track of the first slider, and then the product and the first movable mold core are demolded, so that two products are separated from the first movable mold core and the second movable mold core of the movable mold core together, and then the product is attached to the side of the fixed mold, and then the lower top plate of the top plate drives the upper top plate to push the conventional ejector rod (not marked in the figure) to eject the product from the fixed mold core, thereby realizing product demolding.

[0023] Of course, the above are only specific application examples of the present invention and do not constitute any limitation on the protection scope of the present invention. Any technical solution formed by equivalent transformation or equivalent replacement falls within the protection scope of the present invention.

Claims

1. An injection mold for a decorative strip of an A-pillar of a side panel of an automobile, comprising an upper door panel (1), a hot runner plate (2), a mold foot (3), a fixed mold plate (4), a movable mold plate (5), a guide column assembly (6), an inner draw-out gasket plate (7) and a lower door panel (8), wherein the lower door panel (8) is fixedly connected to the inner draw-out gasket plate (7), the inner draw-out gasket plate (7) is fixedly connected to one end of the guide column assembly (6), the other end of the guide column assembly (6) sequentially passes through the movable mold plate (5) and the fixed mold plate (4) from bottom to top, the movable mold plate (5) is fixedly connected to one end of the mold foot (3), the other end of the mold foot (3) is fixedly connected to the hot runner plate (2), and the hot runner plate (2) is fixed to the lower end of the upper door panel (1), characterized in that: A fixed mold core (9) is arranged in the fixed mold core (4), a movable mold core (10) is arranged below the fixed mold core (9), the movable mold core (10) is fixed in the movable mold core (5), a locking block (11) and a slider (12) are arranged in the movable mold core (5), one end of the slider (12) is slidably connected to the movable mold core (10), and the other end of the slider (12) is snap-connected to the locking block (11); The movable mold core (10) comprises a first movable mold core (13) and a second movable mold core (14), wherein the second movable mold core (14) is located on the right side of the first movable mold core (13); The slider (12) comprises a first slider (15), a second slider (16), a third slider (17) and a fourth slider (18); the fourth slider (18) is slidably connected to the right side of the second movable mold core (14); the left side of the second movable mold core (14) is slidably connected to the third slider (17); the third slider (17) is located on the right side of the second slider (16); the second slider (16) is slidably connected to the right side of the first movable mold core (13); and the left side of the first movable mold core (13) is slidably connected to the first slider (15); The locking block comprises a first locking block (19), a second locking block (20) and a third locking block (21); the third locking block (21) is connected to the fourth slider (18) by snapping, and the third locking block (21) is located on the right side of the second locking block (20); the second locking block (20) is connected to the third slider (17) and the second slider (16) by snapping, the second locking block (20) is located on the right side of the first locking block (19), and the first locking block (19) is connected to the first slider (15) by snapping; The upper door plate (1) is provided with an injection port (22), and the injection port (22) is connected to the hot runner plate (2).

2. The injection mold for the A-pillar decorative strip of the side of the automobile according to claim 1, characterized in that: The guide column assembly (6) comprises a main guide column (23) and two or more main guide sleeves (24), wherein the main guide sleeves (24) are sleeved on the outer side surface of the main guide column (23).

3. The injection mold for the A-pillar decorative strip of the side of the automobile according to claim 2, characterized in that: The number of the main guide sleeves (24) is three, and the main guide sleeves (24) are evenly distributed on the main guide column (23).

4. The injection mold for the A-pillar decorative strip of the side of an automobile according to claim 1, characterized in that: A top plate (25) is arranged inside the mold foot (3), and the top plate (25) is located below the hot runner plate (2).

5. The injection mold for the A-pillar decorative strip of the side of the automobile according to claim 4, characterized in that: The top plate (25) comprises an upper top plate (26) and a lower top plate (27), wherein the lower top plate (27) is located below the upper top plate (26).

6. The injection mold for the A-pillar decorative strip of the side of the automobile according to claim 1, characterized in that: The mold foot (3) comprises a first mold foot (28) and a second mold foot (29), wherein the second mold foot (29) is located on the right side of the first mold foot (28).

Images