Ox horn type glue inlet automatic separation mechanism of automobile wheel eyebrow injection mold

Abstract

The utility model belongs to the technical field of molds, and particularly relates to an automatic separation mechanism for an ox horn type glue inlet of an automobile wheel eyebrow injection mold. The automobile wheel eyebrow injection molding die comprises an automobile wheel eyebrow injection molding lower die and an automobile wheel eyebrow injection molding upper die. In the injection molding process, molten materials are injected into the ox-horn-shaped glue inlet automatic separation structure through the injection molding flow dividing piece, the materials are fed into the two cavities through the ox-horn-shaped glue inlet automatic separation structure, injection molding is completed, a one-out-two injection molding structure is adopted, glue is fed from multiple positions at the same time from the side portion, the mold is opened after cooling molding, and the injection molding process is completed. The molded plastic part is subjected to combined inclined and straight ejection demolding through the inclined and straight ejection combined demolding assembly, in the demolding process, the ox horn type glue inlet automatic separation structure and the plastic part can be automatically separated, manual separation is not needed, the labor intensity of workers is reduced, and the production efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of molds and relates to an automatic separation mechanism for a horn-shaped glue inlet of an automobile wheel eyebrow injection mold. Background Art

[0002] The injection mold consists of a movable mold and a fixed mold. The movable mold is installed on the movable template of the injection molding machine, and the fixed mold is installed on the fixed template of the injection molding machine. During injection molding, the movable mold and the fixed mold are closed to form a pouring system and a cavity. When the mold is opened, the movable mold and the fixed mold are separated to take out the plastic product. The existing automobile wheel eyebrow plastic parts are injection molded using an injection mold. During the injection molding process, the glue inlet channel inside the mold is connected to the cavity. After the mold is opened, the residual material at the glue inlet channel will be connected to the plastic part, and the two need to be separated manually. The labor intensity is high and the production efficiency is low. Therefore, it is urgent to design an automatic separation mechanism for the horn-shaped glue inlet of the automobile wheel eyebrow injection mold that can overcome the above defects.

[0003] In order to overcome the shortcomings of the prior art, people have proposed various solutions through continuous exploration. For example, a Chinese patent discloses a wheel eyebrow molding mold [application number: 201921634303.3], which includes a movable mold and a fixed mold. The movable mold and the fixed mold are respectively provided with two movable mold cavities and two fixed mold cavities on the opposite side. The movable mold cavity and the fixed mold cavity are sealed to form a wheel eyebrow cavity. The two wheel eyebrow cavities constitute two symmetrical wheel eyebrow product shapes, and a diversion channel is connected between the two wheel eyebrow cavities. Utility Model Content

[0004] The utility model aims to solve the above problems and provides an automatic separation mechanism for a horn-shaped glue inlet of an automobile wheel eyebrow injection mold.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A bull-horn type glue inlet automatic separation mechanism of an automobile wheel eyebrow injection mold comprises an automobile wheel eyebrow injection molding lower mold and an automobile wheel eyebrow injection molding upper mold, an injection molding diverter is arranged above the automobile wheel eyebrow injection molding upper mold, two wheel eyebrow molding protrusions symmetrical along the center line of the automobile wheel eyebrow injection molding lower mold are arranged in the automobile wheel eyebrow injection molding lower mold, two wheel eyebrow molding concave cavities symmetrical along the center line of the automobile wheel eyebrow injection molding upper mold are arranged in the automobile wheel eyebrow injection molding upper mold, the wheel eyebrow molding protrusions correspond to the positions of the wheel eyebrow molding concave cavities and the shapes are matched, a bull-horn type glue inlet automatic separation structure is arranged between the automobile wheel eyebrow injection molding lower mold and the automobile wheel eyebrow injection molding upper mold, the bull-horn type glue inlet automatic separation structure is connected to the injection molding diverter, an inclined straight top combined demolding component is arranged in the automobile wheel eyebrow injection molding lower mold, and the inclined straight top combined demolding component corresponds to the position of the wheel eyebrow molding protrusions.

[0007] In the above-mentioned bull-horn type glue inlet automatic separation mechanism of the automobile wheel eyebrow injection mold, the bull-horn type glue inlet automatic separation structure includes two inner pouring slopes arranged in the lower mold of the automobile wheel eyebrow injection molding, and a plurality of pouring channels are arranged in the inner pouring slopes, and the horizontal height of the pouring channels gradually decreases from close to to away from the wheel eyebrow molding protrusion.

[0008] In the above-mentioned bull-horn-shaped glue inlet automatic separation mechanism of the automobile wheel eyebrow injection mold, the injection diverter component includes an injection main board and an injection diverter plate arranged above the automobile wheel eyebrow injection molding upper mold, and an injection main pipe is arranged in the injection main board, and the injection main pipe is connected to the injection diverter plate, and an inlet connection part is arranged at the bottom of the injection diverter plate.

[0009] In the above-mentioned bull-horn type glue inlet automatic separation mechanism of the automobile wheel eyebrow injection mold, the pouring connection part includes a plurality of pouring pipes arranged at the bottom of the injection manifold, and the bottom of the pouring pipes is connected to the pouring channel.

[0010] In the above-mentioned bull-horn type glue inlet automatic separation mechanism of the automobile fender injection mold, the inclined straight top combined demolding component includes an in-mold inclined top piece and an out-mold straight top piece arranged in the lower mold of the automobile fender injection molding, the in-mold inclined top piece and the out-mold straight top piece are staggered, and the in-mold inclined top piece is slidably matched with the fender molding protrusion.

[0011] In the above-mentioned bull-horn-shaped glue inlet automatic separation mechanism of the automobile fender injection mold, the in-mold inclined ejector includes an in-mold inclined ejector block arranged in the lower mold for automobile fender injection molding, and the bottom of the in-mold inclined ejector block is connected to a inclined ejector rod, and the in-mold inclined ejector block is adapted to the shape of the fender molding protrusion.

[0012] In the above-mentioned horn-shaped glue inlet automatic separation mechanism of the automobile fender injection mold, the outer mold straight ejector includes a plurality of outer straight ejector blocks arranged in the lower mold for automobile fender injection molding, and the bottom of the outer straight ejector blocks is connected to a straight ejector rod.

[0013] In the above-mentioned bull-horn-shaped glue inlet automatic separation mechanism of the automobile fender injection mold, an ejection connecting plate is provided below the automobile fender injection molding lower mold, and an inclined ejector connecting slide is provided on the ejection connecting plate, and the bottom of the inclined ejector rod is connected to the inclined ejector connecting slide.

[0014] In the above-mentioned horn-shaped glue inlet automatic separation mechanism of the automobile fender injection mold, a plurality of fender inner side hole groove molding slides are arranged in the automobile fender injection molding lower mold.

[0015] In the above-mentioned horn-shaped glue inlet automatic separation mechanism of the automobile fender injection mold, a fender inner side hole groove forming convex shaft is provided on the inner side of the fender inner side hole groove forming slide seat, and the fender inner side hole groove forming convex shaft is arranged opposite to the inner side of the fender forming protrusion.

[0016] Compared with the existing technology, the advantages of the utility model are:

[0017] 1. In the injection molding process, the utility model brings the automobile fender injection molding lower mold and the automobile fender injection molding upper mold close to each other, so that the fender molding protrusion and the fender molding cavity are fitted to form two complete cavities, and the molten material is injected into the bull horn type glue inlet automatic separation structure through the injection molding diverter, and the material is sent into the two cavities through the bull horn type glue inlet automatic separation structure to complete the injection molding. The one-out two-injection molding structure is adopted, and glue is introduced from multiple places at the side at the same time. After cooling and molding, the mold is opened, and the molded plastic part is demolded by the combined oblique straight top demolding component. During the demolding process, the bull horn type glue inlet automatic separation structure and the plastic part are automatically separated, and there is no need for manual separation, which shortens the labor intensity and improves the production efficiency.

[0018] 2. In the injection molding process, the inner hole groove structure of the wheel eyebrow plastic part can be synchronously formed by the wheel eyebrow inner hole groove forming convex shaft of the wheel eyebrow inner hole groove forming slide seat, without the need for secondary processing, thus shortening the process and reducing the production cost.

[0019] Other advantages, objectives and features of the present invention will be embodied in part through the following description, and in part will be understood by those skilled in the art through research and practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of the utility model.

[0021] Figure 2 It is a partial structural schematic diagram of the utility model.

[0022] Figure 3 It is a partial structural schematic diagram of the utility model in another direction.

[0023] Figure 4 It is a partial structural schematic diagram of the utility model in another direction.

[0024] Figure 5 It is a structural schematic diagram of the upper mold for injection molding of automobile wheel eyebrow.

[0025] In the figure: a lower mold 1 for automobile fender injection molding, an upper mold 2 for automobile fender injection molding, an injection diverter 3, a fender molding protrusion 4, a fender molding cavity 5, a bullhorn-shaped glue inlet automatic separation structure 6, an inclined straight-top combined demoulding component 7, an inner pouring slope 8, a pouring channel 9, an injection molding main board 10, an injection molding diverter plate 11, an injection molding main pipe 12, a pouring connection 13, a pouring pipe 14, an in-mold inclined ejector 15, an outer-mold straight ejector 16, an in-mold inclined ejector block 17, an inclined ejector rod 18, an outer-mold straight ejector block 19, a straight ejector rod 20, an ejection connecting plate 21, an inclined ejector connecting slide 22, a fender inner side hole groove molding slide 23, and a fender inner side hole groove molding convex shaft 24. DETAILED DESCRIPTION

[0026] The utility model is further described below in conjunction with the accompanying drawings.

[0027] like Figure 1-5 As shown, an automatic separation mechanism of a horn-shaped glue inlet of an automobile fender injection mold comprises an automobile fender injection molding lower mold 1 and an automobile fender injection molding upper mold 2, an injection molding diverter 3 is arranged above the automobile fender injection molding upper mold 2, two fender molding protrusions 4 symmetrical along the center line of the automobile fender injection molding lower mold 1 are arranged in the automobile fender injection molding lower mold 1, and two fenders symmetrical along the center line of the automobile fender injection molding upper mold 2 are arranged in the automobile fender injection molding upper mold 2 A molding cavity 5, the wheel eyebrow molding protrusion 4 corresponds to the position of the wheel eyebrow molding cavity 5 and the shape is matched, a bull horn type glue inlet automatic separation structure 6 is provided between the automobile wheel eyebrow injection molding lower mold 1 and the automobile wheel eyebrow injection molding upper mold 2, and the bull horn type glue inlet automatic separation structure 6 is connected to the injection diverter 3, and an inclined straight top combined demolding component 7 is provided in the automobile wheel eyebrow injection molding lower mold 1, and the inclined straight top combined demolding component 7 corresponds to the position of the wheel eyebrow molding protrusion 4.

[0028] In this embodiment, during the injection molding process, the automobile fender injection molding lower mold 1 and the automobile fender injection molding upper mold 2 are brought close to each other, so that the fender molding protrusion 4 and the fender molding cavity 5 are fitted together to form two complete cavities, and the molten material is injected into the bull horn type glue inlet automatic separation structure 6 through the injection molding diverter 3, and the material is sent into the two cavities through the bull horn type glue inlet automatic separation structure 6 to complete the injection molding. A one-out and two-injection molding structure is adopted, and glue is introduced from multiple places on the side at the same time. After cooling and molding, the mold is opened, and the molded plastic part is demolded by the combined oblique straight top demolding component 7. During the demolding process, the bull horn type glue inlet automatic separation structure 6 and the plastic part are automatically separated, and no manual separation is required, which shortens the labor intensity and improves production efficiency.

[0029] Combination Figure 1-5As shown, the bull-horn type glue inlet automatic separation structure 6 includes two inner pouring slopes 8 arranged in the lower mold 1 for automobile wheel eyebrow injection molding, and a plurality of pouring channels 9 are arranged in the inner pouring slopes 8. The horizontal height of the pouring channels 9 gradually decreases from close to to away from the wheel eyebrow molding protrusion 4.

[0030] Specifically, the molten material is injected into a plurality of inlet channels 9 in the inner inlet slope 8 through the injection diverter 3, and the material is sent into the two cavities through the plurality of inlet channels 9 to complete the injection molding. The glue is introduced from multiple places on the side at the same time, and the mold is opened after cooling and molding. The molded plastic part is demolded by the combined inclined straight top demolding component 7. During the demolding process, the residual material in the inlet channel 9 is automatically separated from the plastic part, and no manual separation is required, which shortens the labor intensity and improves production efficiency.

[0031] The injection molding diverter 3 includes an injection molding main board 10 and an injection molding diverter plate 11 which are arranged above the automobile wheel eyebrow injection molding upper mold 2. The injection molding main board 10 is provided with an injection molding main pipe 12, and the injection molding main pipe 12 is connected to the injection molding diverter plate 11. The bottom of the injection molding diverter plate 11 is provided with a pouring connection part 13, and the pouring connection part 13 includes a plurality of pouring pipes 14 arranged at the bottom of the injection molding diverter plate 11, and the bottom of the pouring pipe 14 is connected to the pouring channel 9.

[0032] In this embodiment, during the injection molding process, the molten material is injected into the injection molding diverter plate 11 through the injection molding main pipe 12 in the injection molding main board 10 for diversion, and then the material is sent to the inlet pipe 14 through the injection molding diverter plate 11, and then the material is sent to the inlet channel 9 through the inlet pipe 14 for glue injection.

[0033] The inclined and straight-top combined demolding component 7 includes an in-mold inclined ejector 15 and an out-mold straight ejector 16 arranged in the lower mold 1 for injection molding of the automobile wheel eyebrow. The in-mold inclined ejector 15 and the out-mold straight ejector 16 are arranged alternately, and the in-mold inclined ejector 15 is slidably matched with the wheel eyebrow molding protrusion 4.

[0034] In this embodiment, after the injection molding is completed, the mold is opened, and the molded plastic part is ejected from the mold by a combined inclined and straight ejector 15 inside the mold and a straight ejector 16 outside the mold, so that the plastic part is ejected synchronously in all directions and at multiple angles, and the ejection effect is good.

[0035] Combination Figure 4 As shown, the in-mold inclined ejector 15 includes an in-mold inclined ejector block 17 arranged in the lower mold 1 for injection molding of the automobile fender, and the bottom of the in-mold inclined ejector block 17 is connected to an inclined ejector rod 18, and the in-mold inclined ejector block 17 is adapted to the shape of the fender molding protrusion 4.

[0036] In this embodiment, after the injection molding is completed, the mold is opened, and the molded plastic part is tilted by the tilted ejector block 17 and the tilted ejector rod 18 in the mold.

[0037] The outer mold straight ejector 16 includes a plurality of outer straight ejector blocks 19 arranged in the lower mold 1 for injection molding of the automobile wheel arch, and the bottom of the outer straight ejector blocks 19 is connected to a straight ejector rod 20 .

[0038] In this embodiment, after the injection molding is completed, the mold is opened, and the molded plastic part is straight-pushed by the outer straight-pushing block 19 and the straight-pushing rod 20 .

[0039] Combination Figure 1-4 As shown, an ejector connecting plate 21 is provided below the lower mold 1 for injection molding of the automobile wheel eyebrow, an inclined ejector connecting slide 22 is provided on the ejector connecting plate 21, and the bottom of the inclined ejector rod 18 is connected to the inclined ejector connecting slide 22.

[0040] In this embodiment, the ejection connecting plate 21 is used to connect and fix the straight ejector rod 20 and the inclined ejector connecting slide 22, and the inclined ejector connecting slide 22 is used to connect the inclined ejector rod 18 to facilitate the inclined ejector rod 18 to perform inclined ejection.

[0041] Combination Figure 1-4 As shown, the lower mold 1 for injection molding of automobile fenders is provided with a plurality of fender inner side hole groove forming slides 23, the inner sides of the fender inner side hole groove forming slides 23 are provided with fender inner side hole groove forming convex shafts 24, and the fender inner side hole groove forming convex shafts 24 are arranged opposite to the inner sides of the fender forming protrusions 4.

[0042] In this embodiment, during the injection molding process, the inner hole groove structure of the wheel eyebrow plastic part can be simultaneously formed by the wheel eyebrow inner hole groove forming convex shaft 24 of the wheel eyebrow inner hole groove forming slide 23, without the need for secondary processing, thus shortening the process and reducing production costs.

[0043] The working principle of the utility model is:

[0044] During the injection molding process, the lower mold 1 for automobile fender injection molding and the upper mold 2 for automobile fender injection molding are brought close to each other, so that the fender molding protrusion 4 and the fender molding cavity 5 are fitted together to form two complete cavities, and the molten material is injected into the injection molding diverter plate 11 through the injection molding main pipe 12 in the injection molding main board 10 for diversion, and then the material is sent to the injection pipe 14 through the injection molding diverter plate 11, and then the material is sent to the injection runner 9 through the injection pipe 14 for glue injection, and a one-out two-injection molding structure is adopted, and glue is injected from multiple places at the side at the same time, and the mold is opened after cooling and molding, and the molded plastic part is tilted by the inclined ejector block 17 and the inclined ejector rod 18 in the mold, and the molded plastic part is straightly ejected by the outer straight ejector block 19 and the straight ejector rod 20, and the combined inclined and straight ejection is performed for demoulding. During the demoulding process, the residual material in the injection runner 9 and the plastic part are automatically separated, and there is no need for manual separation, which shortens the labor intensity and improves the production efficiency.

[0045] The ejection connecting plate 21 is used to connect and fix the straight ejector rod 20 and the inclined ejector connecting slide 22, and the inclined ejector connecting slide 22 is used to connect the inclined ejector rod 18, so as to facilitate the inclined ejector rod 18 to perform inclined ejection.

[0046] During the injection molding process, the inner hole groove forming convex shaft 24 of the fender inner hole groove forming slide 23 can simultaneously form the inner hole groove structure of the fender plastic part, without the need for secondary processing, thus shortening the process and reducing production costs.

[0047] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways without departing from the spirit of the present invention.

[0048] Although this article uses more terms such as automobile wheel eyebrow injection molding lower mold 1, automobile wheel eyebrow injection molding upper mold 2, injection molding diverter 3, wheel eyebrow molding protrusion 4, wheel eyebrow molding cavity 5, horn-shaped glue inlet automatic separation structure 6, inclined straight top combined demoulding component 7, inner side pouring inclined surface 8, pouring channel 9, injection molding main board 10, injection molding diverter plate 11, injection molding main pipe 12, pouring connection 13, pouring pipe 14, in-mold inclined ejector 15, outer mold straight ejector 16, in-mold inclined ejector block 17, inclined ejector rod 18, outer side straight ejector block 19, straight ejector rod 20, ejection connecting plate 21, inclined ejector connecting slide 22, wheel eyebrow inner side hole groove molding slide 23, wheel eyebrow inner side hole groove molding convex shaft 24, etc., it does not exclude the possibility of using other terms. The use of these terms is only for more convenient description and explanation of the essence of the utility model, and interpreting them as any additional restrictions is contrary to the spirit of the utility model.

Claims

1. An automatic separation mechanism for a horn-shaped glue inlet of an automobile fender injection mold, comprising a lower mold (1) for automobile fender injection molding and an upper mold (2) for automobile fender injection molding, characterized in that: An injection molding flow divider (3) is provided above the automobile fender injection molding upper mold (2); two fender molding protrusions (4) symmetrically arranged along the center line of the automobile fender injection molding lower mold (1) are provided in the automobile fender injection molding lower mold (1); two fender molding concave cavities (5) symmetrically arranged along the center line of the automobile fender injection molding upper mold (2) are provided in the automobile fender injection molding upper mold (2); the positions of the fender molding protrusions (4) and the positions of the fender molding concave cavities (5) correspond to each other and their shapes match each other; a bull-horn type glue inlet automatic separation structure (6) is provided between the automobile fender injection molding lower mold (1) and the automobile fender injection molding upper mold (2); the bull-horn type glue inlet automatic separation structure (6) is connected to the injection molding flow divider (3); an inclined straight top combined demoulding component (7) is provided in the automobile fender injection molding lower mold (1); the inclined straight top combined demoulding component (7) corresponds to the position of the fender molding protrusions (4).

2. The automatic separation mechanism of the horn-shaped glue inlet of the automobile fender injection mold according to claim 1 is characterized in that: The horn-shaped glue inlet automatic separation structure (6) comprises two inner pouring slopes (8) arranged in the lower mold (1) for injection molding of the automobile wheel eyebrow, and a plurality of pouring channels (9) are arranged in the inner pouring slopes (8), and the horizontal height of the pouring channels (9) gradually decreases from close to to far away from the wheel eyebrow molding protrusion (4).

3. The automatic separation mechanism of the horn-shaped glue inlet of the automobile fender injection mold according to claim 2 is characterized in that: The injection molding flow divider (3) comprises an injection molding main board (10) and an injection molding flow divider plate (11) arranged above an automobile wheel eyebrow injection molding upper mold (2); an injection molding main pipe (12) is arranged inside the injection molding main board (10); the injection molding main pipe (12) is connected to the injection molding flow divider plate (11); and a pouring connection portion (13) is arranged at the bottom of the injection molding flow divider plate (11).

4. The automatic separation mechanism of the horn-shaped glue inlet of the automobile fender injection mold according to claim 3 is characterized in that: The pouring connection part (13) comprises a plurality of pouring pipes (14) arranged at the bottom of the injection molding manifold (11), and the bottom of the pouring pipes (14) is connected to the pouring channel (9).

5. The automatic separation mechanism of the horn-shaped glue inlet of the automobile fender injection mold according to claim 4 is characterized in that: The inclined and straight-top combined demoulding component (7) comprises an in-mold inclined ejector (15) and an out-mold straight ejector (16) arranged in a lower mold (1) for injection molding of an automobile wheel arch; the in-mold inclined ejector (15) and the out-mold straight ejector (16) are arranged alternately; and the in-mold inclined ejector (15) is slidably matched with the wheel arch molding protrusion (4).

6. The automatic separation mechanism of the horn-shaped glue inlet of the automobile fender injection mold according to claim 5, characterized in that: The in-mold inclined ejector (15) comprises an in-mold inclined ejector block (17) arranged in a lower mold (1) for injection molding of an automobile wheel arch, the bottom of the in-mold inclined ejector block (17) is connected to an inclined ejector rod (18), and the in-mold inclined ejector block (17) is adapted in shape to the wheel arch molding protrusion (4).

7. The automatic separation mechanism of the horn-shaped glue inlet of the automobile fender injection mold according to claim 6, characterized in that: The outer mold straight ejector (16) comprises a plurality of outer straight ejector blocks (19) arranged in a lower mold (1) for injection molding of an automobile wheel arch, and the bottom of the outer straight ejector blocks (19) is connected to a straight ejector rod (20).

8. The automatic separation mechanism of the horn-shaped glue inlet of the automobile fender injection mold according to claim 7, characterized in that: An ejection connection plate (21) is provided below the lower mold (1) for injection molding of the automobile wheel eyebrow, an inclined ejection connection slide seat (22) is provided on the ejection connection plate (21), and the bottom of the inclined ejector rod (18) is connected to the inclined ejection connection slide seat (22).

9. The automatic separation mechanism of the horn-shaped glue inlet of the automobile fender injection mold according to claim 8, characterized in that: The lower mold (1) for injection molding of the automobile fender is provided with a plurality of fender inner side hole groove molding slide seats (23).

10. The automatic separation mechanism of the horn-shaped glue inlet of the automobile fender injection mold according to claim 9, characterized in that: A wheel eyebrow inner side hole groove forming convex shaft (24) is provided on the inner side of the wheel eyebrow inner side hole groove forming slide seat (23), and the wheel eyebrow inner side hole groove forming convex shaft (24) is arranged opposite to the inner side of the wheel eyebrow forming protrusion (4).

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