Electric vehicle front wall mud plate injection mold with brake mounting structure

By designing an electric vehicle front enclosure mud plate injection mold with a brake installation structure, the continuous secondary mold release of the product parts is achieved by using the combination of multiple components inside the mold, and the problem of easy deformation or damage in complex parts of the product parts in the prior art is solved, reducing the scrapping rate and avoiding secondary remodeling.

CN222875174UActive Publication Date: 2025-05-16ZHEJIANG YUANTAI HONGYE LOCOMOTIVE CO LTD
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Patent Information

Application Number
CN202421715993.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-18
Publication Date
2025-05-16
Estimated Expiration
2034-07-18

AI Technical Summary

Technical Problem

After the injection mold of the existing electric vehicle front enclosure mud plate is completed, the complex parts of the product are prone to deform or damage, resulting in a high scrap rate and need to be recycled for secondary remodeling.

Method used

An electric vehicle front enclosure mud plate injection mold with a brake installation structure was designed. Through the cooperation of the upper template and the lower mold seat, the injection molding port assembly, wedge assembly, top plate assembly, straight top rod and oblique top rod are used to achieve continuous secondary mold release of the product parts to prevent complex parts of the product parts from being stuck inside the mold.

Benefits of technology

It effectively prevents deformation and damage caused by stuck inside the mold during injection molding of complex parts of the product parts, reduces the scrapping rate, and avoids the need for secondary remodeling.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of injection molds, and particularly relates to an electric vehicle front wall mud plate injection mold with a brake mounting structure. The injection mold comprises an upper mold plate, an upper mold base is arranged below the upper mold plate, an injection molding opening assembly is inserted into the upper mold plate and the upper mold base, an upper mold core protruding part arranged below the upper mold base is in press fit with a lower mold core groove formed in the upper portion of a lower mold base, a supporting block is arranged below the lower mold base, and a lower mold plate is arranged below the supporting block. A wedge block assembly is arranged on the lower die plate, a supporting column and a limiting column are arranged in the middle of the upper portion of the lower die plate, a top plate assembly is arranged outside the supporting column and the limiting column in a sleeved mode, a straight ejector rod and an inclined ejector rod are arranged on the top plate assembly, and the straight ejector rod and the inclined ejector rod are both inserted into the lower die base. The continuous secondary demoulding of the product piece is realized, the complex part of the product piece is prevented from being clamped in the mould, the deformation and damage are avoided, the rejection rate is reduced, and the secondary remodeling is further prevented.
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Description

Technical Field

[0001] The utility model belongs to the technical field of injection molds and relates to an injection mold for a front mud plate of an electric vehicle with a brake installation structure. Background Art

[0002] Injection molding, also known as injection molding, is a molding method that combines injection and molding. The advantages of the injection molding method are fast production speed, high efficiency, automated operation, a wide variety of colors and patterns, shapes from simple to complex, sizes from large to small, and precise product size. The product is easy to update and can be made into parts with complex shapes. Injection molding is suitable for mass production and molding and processing fields such as products with complex shapes. The existing electric vehicle front fender has a brake structure. During injection molding, the complex parts of the product will be on the wall of the internal cavity of the mold. Usually, when the part is taken directly after the injection molding is completed, it will cause certain deformation or damage to the complex parts of the product, resulting in a high scrap rate and the need for recycling and secondary reshaping. Therefore, in response to the above problems, an electric vehicle front fender injection mold with a brake mounting structure is proposed. Utility Model Content

[0003] The utility model aims to solve the above problems and provides an injection mold for a front fender of an electric vehicle with a brake installation structure.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] An injection mold for a front fender of an electric vehicle with a brake mounting structure comprises an upper mold plate, an upper mold base is provided below the upper mold plate, and an injection port assembly is inserted between the upper mold plate and the upper mold base, a lower mold base is pressed together below the upper mold base, and a wedge block assembly is provided above the lower mold base, support blocks are provided on both sides below the lower mold base, and a lower mold plate is provided below the support blocks, a support column and a limit column are provided in the middle of the upper part of the lower mold plate, and a top plate assembly is sleeved outside the support column and the limit column, top columns are provided at the four corners of the top plate assembly, and the top of the top column is inserted in the lower mold base, a straight ejector rod and an inclined ejector rod are respectively provided in the middle of the top plate assembly, and the tops of the straight ejector rod and the inclined ejector rod are inserted in the lower mold base.

[0006] In the above-mentioned electric vehicle front fender injection mold with a brake mounting structure, an injection port assembly is inserted and fixedly connected in the middle of the upper mold plate, an upper mold base is fixedly connected below the upper mold plate, and a lower section of the injection port assembly is fixedly connected passing through the middle of the upper mold base, an upper mold core convex portion is provided at the bottom of the upper mold base, and the bottom of the upper mold core convex portion is flush with the bottom of the injection port assembly.

[0007] In the above-mentioned electric vehicle front fender injection mold with a brake mounting structure, a lower mold core groove is opened above the lower mold base, and groove parts are opened in the middle of both sides above the lower mold core groove, a sliding connection wedge block assembly is inserted into the groove part, and a partial cavity groove of the product part is opened above the wedge block assembly.

[0008] In the above-mentioned electric vehicle front fender injection mold with a brake mounting structure, the lower mold core groove and the upper mold core convex portion are pressed together with the upper mold core convex portion above the wedge block assembly, and a cavity is formed between the lower mold core groove, the upper mold core convex portion and the wedge block assembly.

[0009] In the above-mentioned electric vehicle front fender injection mold with brake mounting structure, positioning holes are opened at the four corners of the upper mold base, and positioning columns are fixedly connected at the four corners above the lower mold base, and the positioning columns are inserted into the sliding connection positioning holes.

[0010] In the above-mentioned electric vehicle front fender injection mold with a brake mounting structure, the two sides below the lower mold base are fixedly connected to the upper side of the support block, and the lower side of the support block is respectively fixedly connected to the two sides above the lower mold plate.

[0011] In the above-mentioned electric vehicle front fender injection mold with a brake mounting structure, a plurality of support columns and a plurality of limit columns are fixedly connected in the middle of the lower mold plate, and the top of the support column is tightly fitted with the bottom of the lower mold base, while the upper part of the limit column is inserted into the bottom of the lower mold base.

[0012] In the above-mentioned electric vehicle front fender injection mold with a brake mounting structure, the support column and the limit column are both sleeved with a sliding connected top plate assembly, and the four corners of the top plate assembly are fixedly connected to the bottom of the top column, and the top column is inserted into the sliding connected lower mold base, and at the same time, the top of the top column is tightly fitted with the bottom of the upper mold base.

[0013] In the above-mentioned electric vehicle front fender injection mold with a brake mounting structure, a plurality of straight push rods and a plurality of inclined push rods are fixedly connected in the middle and both sides of the top plate assembly, respectively. The straight push rods are inserted into the sliding connection lower mold base, and the top of the straight push rods is flush with the bottom of the lower mold core groove.

[0014] In the above-mentioned electric vehicle front fender injection mold with a brake mounting structure, the inclined ejector rod is inserted into both sides of the sliding connection lower mold base, and the top of the inclined ejector rod is inserted into the bottom of the fixed connection wedge block assembly.

[0015] Compared with the existing technology, the advantages of the utility model are:

[0016] The utility model has an upper mold base below the upper mold base, and an injection port assembly is inserted into the upper mold base and the upper mold base, an upper mold core convex portion provided below the upper mold base is pressed with a lower mold core groove provided above the lower mold base, a support block is provided below the lower mold base, and a lower mold base is provided below the support block, a support column and a limiting column are provided in the middle above the lower mold base, and a top plate assembly is arranged outside the support column and the limiting column, a straight ejector rod and an inclined ejector rod are arranged on the top plate assembly, and the straight ejector rod and the inclined ejector rod are both inserted into the lower mold base, and the cooperation of the ejector column, the straight ejector rod, the inclined ejector rod and the wedge block assembly inside the mold is utilized to enable the product to be continuously demolded for a second time, thereby preventing the complex parts of the product from being stuck inside the mold, avoiding deformation and damage, reducing the scrap rate, and further preventing secondary reshaping.

[0017] 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

[0018] Figure 1 It is an overall schematic diagram of the utility model;

[0019] Figure 2 It is an overall exploded top view schematic diagram of the utility model;

[0020] Figure 3 It is an overall exploded bottom view schematic diagram of the utility model;

[0021] Figure 4 It is a schematic diagram of the internal matching below the upper die seat of the utility model;

[0022] Figure 5 It is a schematic diagram of the internal structure coordination above the lower die base of the utility model.

[0023] In the figure: 1. upper mold plate; 2. injection port assembly; 3. upper mold base; 31. upper mold core convex part; 4. lower mold base; 41. lower mold core groove; 42. groove part; 5. support block; 6. lower mold plate; 7. top plate assembly; 8. support column; 9. limit column; 10. ejector column; 11. straight ejector rod; 12. inclined ejector rod; 13. wedge block assembly; 14. positioning hole; 15. positioning column. DETAILED DESCRIPTION

[0024] The utility model is further described below in conjunction with the accompanying drawings.

[0025] like Figure 1-5As shown, an injection mold for the front fender of an electric vehicle with a brake mounting structure includes an upper mold plate 1, an upper mold base 3 is provided below the upper mold plate 1, and an injection port assembly 2 is inserted between the upper mold plate 1 and the upper mold base 3, a lower mold base 4 is pressed below the upper mold base 3, and a wedge block assembly 13 is provided above the lower mold base 4, support blocks 5 are provided on both sides below the lower mold base 4, and a lower mold plate 6 is provided below the support blocks 5, a support column 8 and a limiting column 9 are provided in the middle part above the lower mold plate 6, and a top plate assembly 7 is sleeved outside the support column 8 and the limiting column 9, a top plate assembly 7 is provided at the four corners of the top plate assembly 7, and the top of the top column 10 is inserted in the lower mold base 4, a straight ejector rod 11 and an inclined ejector rod 12 are respectively provided in the middle of the top plate assembly 7, and the top of the straight ejector rod 11 and the inclined ejector rod 12 are inserted in the lower mold base 4.

[0026] The injection port assembly 2 is inserted and fixedly connected through the middle of the upper mold plate 1, the upper mold base 3 is fixedly connected to the lower part of the injection port assembly 2 through the middle of the upper mold base 3, and an upper mold core convex portion 31 is provided at the bottom of the upper mold base 3, and the bottom of the upper mold core convex portion 31 is flush with the bottom of the injection port assembly 2.

[0027] After an upper mold base 3 is provided below the upper mold plate 1 , an injection port assembly 2 is inserted into the upper mold plate 1 and the upper mold base 3 , and injection liquid is injected into the mold using the injection port assembly 2 to form the mold below the upper mold base 3 .

[0028] Furthermore, a lower mold core groove 41 is opened above the lower mold base 4, and groove parts 42 are opened in the middle of both sides above the lower mold core groove 41, and the sliding connection wedge block assembly 13 is inserted into the groove part 42, and a partial cavity groove of the product part is opened above the wedge block assembly 13.

[0029] Furthermore, the lower mold core groove 41 and the upper part of the wedge block assembly 13 are both pressed against the upper mold core protrusion 31 , and a cavity is formed between the lower mold core groove 41 , the upper part of the wedge block assembly 13 and the upper mold core protrusion 31 .

[0030] After the upper mold core protrusion 31 provided at the bottom of the upper mold base 3, the lower mold core groove 41 provided at the top of the lower mold base 4, and the top of the wedge block assembly 13 are pressed together, due to the complex parts inside the product, a space will be formed between the top of the wedge block assembly 13 and the upper mold core protrusion 31.

[0031] Furthermore, positioning holes 14 are formed at four corners of the upper die base 3 , and positioning columns 15 are fixedly connected to four corners above the lower die base 4 , and the positioning columns 15 are inserted into the slidably connected positioning holes 14 .

[0032] The cooperation between the positioning column 15 and the positioning hole 14 is utilized to ensure the accuracy of mold closing during mold closing.

[0033] The lower sides of the lower die base 4 are fixedly connected to the upper side of the support block 5 , and the lower side of the support block 5 is respectively fixedly connected to the upper sides of the lower die plate 6 .

[0034] Furthermore, a plurality of support columns 8 and a plurality of limiting columns 9 are respectively fixedly connected in the middle of the lower mold plate 6 , and the top of the support column 8 is tightly fitted with the bottom of the lower mold base 4 , while the upper part of the limiting column 9 is inserted into the bottom of the lower mold base 4 .

[0035] Furthermore, the support column 8 and the limit column 9 are both slidably connected to the top plate assembly 7, and the top plate assembly 7 is fixedly connected to the bottom of the top column 10 at the four corners, and the top column 10 is inserted into the sliding connection of the lower mold base 4, and at the same time, the top of the top column 10 is tightly fitted with the bottom of the upper mold base 3.

[0036] The tops of the top columns 10 provided at the four corners of the top plate assembly 7 are fitted with the bottom of the upper mold base 3. When the top plate assembly 7 rises under the action of external force, the top columns 10 will push open the upper mold base 3 and the structure above it.

[0037] Furthermore, a plurality of straight ejector rods 11 and a plurality of inclined ejector rods 12 are fixedly connected to the middle and both sides of the ejector plate assembly 7 , respectively. The straight ejector rod 11 is inserted into the sliding connection lower mold base 4 , and the top of the straight ejector rod 11 is flush with the bottom of the lower mold core groove 41 .

[0038] Furthermore, the inclined ejector rod 12 is inserted into both sides of the sliding connection lower die base 4 , and the top of the inclined ejector rod 12 is inserted into the bottom of the fixed connection wedge block assembly 13 .

[0039] A straight ejector rod 11 and an inclined ejector rod 12 are provided above the ejector plate assembly 7, and the upper part of the inclined ejector rod 12 is inserted into the wedge block assembly 13. When the mold is opened, the ejector plate assembly 7 will rise, and the top of the straight ejector rod 11 and the wedge block assembly 13 can be used to eject the product from the mold.

[0040] Working principle:

[0041] An upper mold base 3 is provided below the upper mold base 1, and an injection port assembly 2 is inserted into the upper mold base 1 and the upper mold base 3, a lower mold base 4 is pressed together below the upper mold base 3, and an upper mold core convex portion 31 is provided below the upper mold base 3 to cooperate with a lower mold core groove 41 provided in the upper part of the lower mold base 4 and the upper part of the wedge block assembly 13 to form a completed cavity inside thereof, and an injection molding liquid is injected into the cavity by using the injection port assembly 2 to obtain a product part, a support block 5 is provided below the lower mold base 4, and a lower mold plate 6 is provided below the support block 5, so that the structure between the lower mold base 4 and the lower mold plate 6 is formed as one, a support column 8 and a limiting column 9 are provided in the middle part above the lower mold plate 6, and a top plate assembly 7 is provided outside the support column 8 and the limiting column 9, so that the top plate assembly 7 is between the lower mold base 4 and the lower mold plate 6 The top of the top plate assembly 7 is provided with a straight ejector rod 11 and an inclined ejector rod 12, wherein the upper part of the straight ejector rod 11 is inserted into the lower mold core groove 41 of the lower mold base 4, and the inclined ejector rod 12 is inserted into the lower part of the wedge block assembly 13 on both sides of the lower mold base 4. When the mold is opened, the top plate assembly 7 is lifted by the external force. First, the ejector column 10 will lift the upper mold base 3 and the structure above it, so that the upper mold core convex part 31 is separated from the product. When the top plate assembly 7 continues to rise, the top of the straight ejector rod 11 and the top of the wedge block assembly 13 will correspond to the part where the product is pushed, and the product will be ejected from the lower mold core groove 41, that is, the mold opening is completed.

[0042] 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.

[0043] Although this article uses more terms such as 1, upper template; 2, injection port assembly; 3, upper mold base; 31, upper mold core convex part; 4, lower mold base; 41, lower mold core groove; 42, groove part; 5, support block; 6, lower template; 7, top plate assembly; 8, support column; 9, limit column; 10, top column; 11, straight ejector rod; 12, inclined ejector rod; 13, wedge block assembly; 14, positioning hole; 15, positioning column, etc., it does not exclude the possibility of using other terms. The use of these terms is only to more conveniently describe and explain the essence of the utility model. It is contrary to the spirit of the utility model to interpret them as any additional restrictions.

Claims

1. An injection mold for a front fender of an electric vehicle having a brake mounting structure, comprising an upper mold plate (1), characterized in that: An upper mold base (3) is provided below the upper mold base (1), and an injection port assembly (2) is inserted between the upper mold base (1) and the upper mold base (3); a lower mold base (4) is pressed below the upper mold base (3), and a wedge block assembly (13) is provided above the lower mold base (4); support blocks (5) are provided on both sides below the lower mold base (4), and a lower mold base (6) is provided below the support blocks (5); a support column (8) and a limit column (9) are provided in the middle of the upper part of the lower mold base (6), and a top plate assembly (7) is sleeved outside the support column (8) and the limit column (9); top columns (10) are provided at the four corners of the top plate assembly (7), and the top of the top column (10) is inserted into the lower mold base (4); a straight ejector rod (11) and an inclined ejector rod (12) are respectively provided in the middle of the ejector rod (7), and the top of the straight ejector rod (11) and the inclined ejector rod (12) are inserted into the lower mold base (4).

2. The electric vehicle front fender injection mold with a brake mounting structure according to claim 1, characterized in that: The middle of the upper mold plate (1) is inserted and fixedly connected to the injection port assembly (2); the lower part of the upper mold plate (1) is fixedly connected to the upper mold base (3); and the middle of the upper mold base (3) is passed through and fixedly connected to the lower section of the injection port assembly (2); an upper mold core convex portion (31) is provided at the bottom of the upper mold base (3), and the bottom of the upper mold core convex portion (31) is flush with the bottom of the injection port assembly (2).

3. The electric vehicle front fender injection mold with a brake mounting structure according to claim 2, characterized in that: A lower mold core groove (41) is provided above the lower mold base (4), and groove portions (42) are provided in the middle of both sides above the lower mold core groove (41), a sliding connection wedge block assembly (13) is inserted into the groove portions (42), and a partial cavity groove of the product part is provided above the wedge block assembly (13).

4. The electric vehicle front fender injection mold with a brake mounting structure according to claim 3, characterized in that: The lower mold core groove (41) and the upper part of the wedge block assembly (13) are both pressed against the upper mold core convex part (31), and a cavity is formed between the lower mold core groove (41), the upper part of the wedge block assembly (13) and the upper mold core convex part (31).

5. The electric vehicle front fender injection mold with a brake mounting structure according to claim 4, characterized in that: Positioning holes (14) are provided at the four corners of the upper die seat (3), and positioning columns (15) are fixedly connected at the four corners above the lower die seat (4), and the positioning columns (15) are inserted into the sliding connection positioning holes (14).

6. The electric vehicle front fender injection mold with a brake mounting structure according to claim 5, characterized in that: The lower two sides of the lower die base (4) are fixedly connected to the upper side of the support block (5), and the lower side of the support block (5) is respectively fixedly connected to the upper two sides of the lower die plate (6).

7. The electric vehicle front fender injection mold with a brake mounting structure according to claim 6, characterized in that: The middle part of the lower mold plate (6) is respectively fixedly connected with a plurality of support columns (8) and a plurality of limit columns (9), and the top of the support column (8) is tightly fitted with the bottom of the lower mold base (4), while the upper part of the limit column (9) is inserted into the bottom of the lower mold base (4).

8. The electric vehicle front fender injection mold with a brake mounting structure according to claim 7, characterized in that: The support column (8) and the limit column (9) are both sleeved with a sliding connection top plate assembly (7), and the top plate assembly (7) is fixedly connected to the bottom of the top column (10) at the four corners, and the top column (10) is inserted into the sliding connection lower mold base (4), and at the same time, the top of the top column (10) is tightly fitted with the bottom of the upper mold base (3).

9. The electric vehicle front fender injection mold with a brake mounting structure according to claim 8, characterized in that: A plurality of straight push rods (11) and a plurality of inclined push rods (12) are fixedly connected in the middle and on both sides of the push plate assembly (7), respectively; the straight push rods (11) are inserted into the sliding connection lower die seat (4), and the top of the straight push rod (11) is flush with the bottom of the lower die core groove (41).

10. The electric vehicle front fender injection mold with a brake mounting structure according to claim 9, characterized in that: The inclined ejector rod (12) is inserted into the two sides of the sliding connection lower die base (4), and the top of the inclined ejector rod (12) is inserted into the bottom of the fixed connection wedge block assembly (13).