Multi-pitched roof combined demolding mechanism for left and right decorating parts of electric vehicle

Abstract

The utility model provides a multi-pitched roof combined demoulding mechanism for left and right decorating parts of an electric vehicle, which comprises an upper injection mould and a lower injection mould, an upper forming cavity surface is arranged at the bottom of the upper injection mould, a lower forming cavity surface is arranged on the surface of the lower injection mould, a base is mounted at the bottom of the lower injection mould, and a pitched roof demoulding mechanism is mounted on the surface of the base. According to the utility model, through the arranged inclined ejection demolding mechanism, when an electric vehicle decorating part subjected to injection molding needs to be ejected out, the mounting plate drives the middle ejector rod, the side ejector rods, the middle inclined ejector rod and the end inclined ejector rods which are fixedly mounted on the surface to rise at the same time, so that the ejector rods are ejected out from ejection holes formed in the surface of the lower molding cavity; the middle ejector rods, the side ejector rods, the middle inclined ejector rods and the end inclined ejector rods are distributed, so that the stress part of the decorative part can be increased when the decorative part is ejected from excessive positions on the surface of the corresponding injection molding part, the decorative part is integrally ejected out, the situation that corners cannot be ejected out and are damaged is prevented, and the ejection efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the field of mold equipment, in particular to a multi-slant top combined demoulding mechanism for left and right decorative parts of an electric vehicle. Background Art

[0002] With the continuous development of the electric vehicle industry, electric vehicle covers and other plastic parts are generally molded by injection molding. After injection molding, electric vehicle plastic parts need to be shaped using molds. During the shaping process, the mold needs to be heated, and then cooled and shaped before the mold is taken out to ensure the shape of the plastic part. In the prior art, the removal process is carried out by manual demoulding, that is, the product is pried up by manually prying the two ends of the core rod or the core. The manual demoulding method is not only difficult to pry up, but also inconvenient. Among them, a mold release mechanism with application number "CN202221530304.5" is disclosed. An injection mold for electric vehicle plastic parts. The utility model proposes an injection mold for electric vehicle plastic parts with a demolding mechanism. By arranging an ejector block, a driving mechanism, a rotating seesaw and a transmission connection mechanism, it is convenient to eject the middle part of the plastic part, and the rotating seesaw is driven by the transmission connection mechanism to rotate to lift the edge of the plastic part, thereby reducing the occurrence of cracks caused by the edge of the plastic part being stuck by the inner wall of the mold cavity, and facilitating the demolding of the plastic part. However, the ejector block is arranged in the middle of the fixed mold, and its ejection area and range are small, making it difficult to perform multi-directional inclined ejection demolding on the molded plastic part, resulting in average ejection efficiency. Utility Model Content

[0003] The purpose of the utility model is to provide a multi-slant ejector combined demoulding mechanism for left and right decorative parts of electric vehicles, so as to solve the problem proposed in the above-mentioned background technology that the ejector block is arranged in the middle of the fixed mold, and its ejection area and range are small, making it difficult to perform multi-directional inclined ejection on the molded plastic parts, resulting in general ejection efficiency.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a multi-sloped top combined demoulding mechanism for left and right decorative parts of an electric vehicle, comprising an injection upper mold and an injection lower mold, wherein the bottom of the injection upper mold is provided with an upper molding cavity surface, the surface of the injection lower mold is provided with a lower molding cavity surface, the bottom of the injection lower mold is provided with a base, and the surface of the base is provided with a sloping top demoulding mechanism;

[0005] The inclined ejector demoulding mechanism includes a mounting plate arranged on the surface of the base, a middle ejector rod is fixedly installed in the middle of the surface of the mounting plate, side ejector rods are fixedly installed on both sides of the surface of the mounting plate, a middle inclined ejector rod is fixedly installed on the surface of the mounting plate between the middle ejector rod and the side ejector rod, end inclined ejector rods are fixedly connected to the two ends of the mounting plate, a plurality of ejection holes are opened on the surface of the lower molding cavity surface, and the middle ejector rod, the side ejector rod, the middle inclined ejector rod and the end inclined ejector rods are all inserted and connected inside the ejection holes.

[0006] As a preferred solution of the utility model: an injection hole is opened in the middle of the surface of the injection upper mold, and the injection hole penetrates to the upper molding cavity surface.

[0007] As a preferred solution of the utility model: guide pillars are fixedly installed around the surface of the lower injection mold, and limiting holes are opened around the bottom of the upper injection mold, and the guide pillars are inserted and connected inside the limiting holes.

[0008] As a preferred solution of the utility model: the middle inclined ejector rod and the end inclined ejector rod are both inclined toward the middle of the lower molding cavity surface.

[0009] As a preferred solution of the utility model: the top structural surfaces of the middle push rod, the side push rod, the middle inclined push rod and the end inclined push rod correspond to the lower molding cavity surface.

[0010] As a preferred solution of the utility model: the middle push rod, the side push rod, the middle inclined push rod, the end inclined push rod and the lower forming cavity surface are made of the same metal material.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] (1) Through the inclined ejector demoulding mechanism, when the injection-molded electric vehicle decorative parts need to be ejected, the mounting plate drives the middle ejector rod, the side ejector rod, the middle inclined ejector rod and the end inclined ejector rod fixed on the surface to rise simultaneously, so that the ejector rod is ejected from the ejection hole opened on the surface of the lower molding cavity. The middle ejector rod, the side ejector rod, the middle inclined ejector rod and the end inclined ejector rod are distributed so that the stress-bearing part of the decorative parts can be increased when ejecting at the corresponding positions on the surface of the injection-molded parts, so that the decorative parts are ejected as a whole, and the damage caused by the failure to eject the corners is prevented, thereby improving the ejection efficiency;

[0013] (2) The middle inclined ejector rod and the end inclined ejector rod are inclined toward the lower molding cavity surface, so that during ejection, the middle inclined ejector rod and the end inclined ejector rod are simultaneously ejected from the middle position of the decorative part. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the split structure of the utility model;

[0016] Figure 3 It is a schematic diagram of the structure of the inclined ejector demoulding mechanism of the utility model;

[0017] Figure 4 It is a schematic diagram of the upper forming cavity surface structure of the utility model.

[0018] In the figure: 1. injection molding upper mold; 2. injection molding lower mold; 3. upper molding cavity surface; 4. lower molding cavity surface; 5. base; 6. inclined ejector demoulding mechanism; 61. mounting plate; 62. middle ejector rod; 63. side ejector rod; 64. middle inclined ejector rod; 65. end inclined ejector rod; 7. injection molding hole; 8. guide column; 9. limit hole. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-4 The utility model provides a technical solution: a multi-sloped top combined demoulding mechanism for left and right decorative parts of an electric vehicle, comprising an injection upper mold 1 and an injection lower mold 2, an upper molding cavity surface 3 is provided at the bottom of the injection upper mold 1, a lower molding cavity surface 4 is provided on the surface of the injection lower mold 2, a base 5 is installed at the bottom of the injection lower mold 2, and a sloping top demoulding mechanism 6 is installed on the surface of the base 5;

[0021] The inclined ejector demoulding mechanism 6 includes a mounting plate 61 arranged on the surface of the base 5, a middle ejector rod 62 is fixedly installed in the middle of the surface of the mounting plate 61, side ejector rods 63 are fixedly installed on both sides of the surface of the mounting plate 61, a middle inclined ejector rod 64 is fixedly installed on the surface of the mounting plate 61 between the middle ejector rod 62 and the side ejector rod 63, and end inclined ejector rods 65 are fixedly connected to the two ends of the mounting plate 61. A plurality of ejection holes are opened on the surface of the lower molding cavity surface 4, and the middle ejector rod 62, the side ejector rod 63, the middle inclined ejector rod 64 and the end inclined ejector rod 65 are all inserted and connected inside the ejection holes.

[0022] During specific use: when it is necessary to eject the injection-molded electric vehicle decorative parts, the mounting plate 61 drives the middle ejector rod 62, the side ejector rod 63, the middle inclined ejector rod 64 and the end inclined ejector rod 65 fixed on the surface to rise at the same time, so that the ejector rod is ejected from the ejection hole opened on the surface of the lower molding cavity surface 4. The middle ejector rod 62, the side ejector rod 63, the middle inclined ejector rod 64 and the end inclined ejector rod 65 are distributed and arranged, so that the stress-bearing parts of the decorative parts can be increased at the corresponding positions on the surface of the injection-molded parts during ejection, so that the decorative parts are ejected as a whole, and damage caused by failure to eject at the corners is prevented, thereby improving the ejection efficiency.

[0023] In this embodiment, an injection hole 7 is opened in the middle of the surface of the injection upper mold 1 , and the injection hole 7 penetrates to the upper molding cavity surface 3 .

[0024] When used specifically, an injection hole 7 is opened in the middle of the injection upper mold 1 , and the injection hole 7 penetrates the upper molding cavity surface 3 , so that the injection material enters the lower molding cavity surface 4 through the injection hole 7 to complete the injection molding.

[0025] In this embodiment, guide pillars 8 are fixedly installed around the surface of the lower injection mold 2 , and limiting holes 9 are opened around the bottom of the upper injection mold 1 , and the guide pillars 8 are inserted and connected inside the limiting holes 9 .

[0026] During specific use: guide pillars 8 are installed around the surface of the injection lower mold 2. When the injection upper mold 1 and the injection lower mold 2 are combined for injection molding, the limiting holes 9 opened around the bottom of the injection upper mold 1 are interlaced and connected with the guide pillars 8, so that the injection upper mold 1 and the injection lower mold 2 remain stable when the film is combined.

[0027] In this embodiment, the middle inclined ejector rod 64 and the end inclined ejector rod 65 are both inclined toward the middle of the lower molding cavity surface 4 .

[0028] When in use, the middle inclined ejector rod 64 and the end inclined ejector rod 65 are inclined toward the lower molding cavity surface 4, so that the middle inclined ejector rod 64 and the end inclined ejector rod 65 are simultaneously lifted from the middle position of the decorative part during ejection.

[0029] In this embodiment, the top structural surfaces of the middle push rod 62 , the side push rod 63 , the middle inclined push rod 64 and the end inclined push rod 65 correspond to the lower molding cavity surface 4 .

[0030] When in use, the top structural surfaces of the middle ejector rod 62, the side ejector rod 63, the middle inclined ejector rod 64 and the end inclined ejector rod 65 correspond to the lower molding cavity surface 4, so that a complete injection cavity surface is formed when the ejector rods are filled inside the ejection hole.

[0031] In this embodiment, the middle push rod 62, the side push rod 63, the middle inclined push rod 64, the end inclined push rod 65 and the lower molding cavity surface 4 are made of the same metal material.

[0032] When used specifically, the middle push rod 62, the side push rod 63, the middle inclined push rod 64, the end inclined push rod 65 and the lower molding cavity surface 4 are made of the same material, so that the expansion and contraction coefficients of the metal material are the same during the injection molding process, thereby making the injection molded part smooth and stable.

[0033] Working principle: when it is necessary to eject the injection-molded decorative parts of electric vehicles, the mounting plate 61 drives the middle ejector rod 62, the side ejector rod 63, the middle inclined ejector rod 64 and the end inclined ejector rod 65 fixed on the surface to rise simultaneously, so that the ejector rod is ejected from the ejection hole opened on the surface of the lower molding cavity surface 4. The middle ejector rod 62, the side ejector rod 63, the middle inclined ejector rod 64 and the end inclined ejector rod 65 are distributed and arranged, so that the stress-bearing parts of the decorative parts can be increased at the corresponding positions on the surface of the injection-molded parts during ejection, so that the decorative parts are ejected as a whole, and damage caused by failure to eject at the corners is prevented, thereby improving the ejection efficiency.

[0034] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in the field. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for technical personnel in the field to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A multi-slope top combined demoulding mechanism for left and right decorative parts of an electric vehicle, comprising an injection molding upper mold (1) and an injection molding lower mold (2), characterized in that: The bottom of the injection upper mold (1) is provided with an upper molding cavity surface (3), the surface of the injection lower mold (2) is provided with a lower molding cavity surface (4), the bottom of the injection lower mold (2) is provided with a base (5), and the surface of the base (5) is provided with an inclined ejection mechanism (6); The inclined ejector demoulding mechanism (6) comprises a mounting plate (61) arranged on the surface of the base (5); a middle ejector rod (62) is fixedly mounted in the middle of the surface of the mounting plate (61); side ejector rods (63) are fixedly mounted on both sides of the surface of the mounting plate (61); a middle inclined ejector rod (64) is fixedly mounted on the surface of the mounting plate (61) between the middle ejector rod (62) and the side ejector rods (63); end inclined ejector rods (65) are fixedly connected at both ends of the mounting plate (61); a plurality of ejection holes are opened on the surface of the lower molding cavity surface (4); the middle ejector rod (62), the side ejector rods (63), the middle inclined ejector rod (64) and the end inclined ejector rods (65) are all inserted and connected inside the ejection holes.

2. The multi-slope top combined demoulding mechanism for left and right decorative parts of electric vehicles according to claim 1, characterized in that: An injection hole (7) is provided in the middle of the surface of the injection upper mold (1), and the injection hole (7) penetrates to the upper molding cavity surface (3).

3. The multi-slope top combined demoulding mechanism for left and right decorative parts of an electric vehicle according to claim 1, characterized in that: Guide pillars (8) are fixedly installed around the surface of the lower injection mold (2), and limiting holes (9) are opened around the bottom of the upper injection mold (1), and the guide pillars (8) are inserted and connected inside the limiting holes (9).

4. The multi-slope top combined demoulding mechanism for left and right decorative parts of an electric vehicle according to claim 1, characterized in that: The middle inclined ejector rod (64) and the end inclined ejector rod (65) are both inclined toward the middle of the lower molding cavity surface (4).

5. The multi-slope top combined demoulding mechanism for left and right decorative parts of electric vehicles according to claim 1, characterized in that: The top structural surfaces of the middle push rod (62), the side push rod (63), the middle inclined push rod (64) and the end inclined push rod (65) correspond to the lower molding cavity surface (4).

6. The multi-slope top combined demoulding mechanism for left and right decorative parts of an electric vehicle according to claim 1, characterized in that: The middle push rod (62), the side push rod (63), the middle inclined push rod (64), the end inclined push rod (65) and the lower molding cavity surface (4) are made of the same metal material.

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