Connector injection mold for automobile charging

Abstract

The utility model discloses a connector injection mold for automobile charging, and relates to the technical field of automobile charging connector production. The hot runner mold comprises a hot runner mold, the hot runner mold comprises an upper mold plate, a sprue embedded in the middle of the upper mold plate, a fixed mold plate located on the inner side of the upper mold plate, a hot runner cavity formed in the fixed mold plate, a hot runner plate installed in the hot runner cavity in a matched mode, a controller matched with the hot runner plate and a base plate arranged on the inner side of the fixed mold plate. The mold comprises a base plate, a splitter plate located on the inner side of the base plate, channels formed in the splitter plate, hot nozzle openings converged at the intersection of the channels, a movable mold plate arranged on the inner side of the splitter plate, and double mold cores embedded in the movable mold plate. According to the utility model, the hot runner system is adopted, so that the step of removing runner wastes after each molding cycle of the cold runner mold is omitted, the production cycle is obviously shortened, the production efficiency is improved, and meanwhile, the material waste is reduced, and the production cost is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of automobile charging connector production, and particularly relates to an injection mold for an automobile charging connector. Background Technique

[0002] Under the background of the rapid development of the electric vehicle industry, the demand for automobile charging equipment is increasing day by day, which puts forward higher requirements for the manufacturing of charging connectors. Most of the production of automobile charging connectors relies on the cold runner mold system. After each molding cycle, the runner waste needs to be removed, which not only increases the extra processes and costs, but also prolongs the production cycle and limits the production efficiency. In addition, the cold runner mold has inaccurate temperature control of plastic materials, which easily leads to unstable dimensions and poor surface quality of the molded parts, affecting the performance and aesthetics of the final product.

[0003] Therefore, the utility model provides an injection mold for an automobile charging connector, aiming to overcome the deficiencies in the prior art, meet the market demand for the production of high-quality automobile charging connectors, and promote the development of electric vehicle charging infrastructure. Content of the Utility Model

[0004] To solve the above technical problems, the utility model is realized through the following technical solutions:

[0005] The utility model provides an injection mold for an automobile charging connector, including a hot runner mold. The hot runner mold includes an upper template, a gate embedded in the middle position of the upper template, a fixed template located inside the upper template, a hot runner chamber arranged inside the fixed template, a hot runner plate adaptively installed inside the hot runner chamber, a controller cooperating with the hot runner plate, a backing plate arranged inside the fixed template, a manifold plate located inside the backing plate, a channel opened in the manifold plate, a hot nozzle port converging at the intersection of the channels, a moving template arranged inside the manifold plate, and a double mold core embedded in the moving template.

[0006] The utility model is further arranged such that a mold base is arranged on the side of the moving template, a lower template is fixed to the mold base, a bottom plate and a top plate are arranged on the upper side of the lower template, the bottom plate and the top plate are arranged between the mold bases, and a ejector rod is fixed on the upper side of the top plate, and the upper end of the ejector rod is cooperatively arranged inside the mold core.

[0007] The utility model is further arranged such that a return pin is arranged between the side of the top plate and the moving template, and a return spring is sleeved outside the return pin.

[0008] The utility model is further arranged such that a guide post is sleeved at the corner of the end of the mold base, and the guide post penetrates through the moving template, the manifold plate, the backing plate, the fixed template and the end of the upper template.

[0009] The present utility model is further configured such that a reinforcing member is connected between the fixed template and the manifold plate, and a locking seat is provided on the side of the moving template, and the locking seat abuts and is fixed to the side of the double mold core.

[0010] The present utility model is further configured such that the mold core includes a lower mold core embedded in the moving template and an upper mold core cooperatively disposed above the lower mold core.

[0011] The present utility model has the following beneficial effects:

[0012] 1. The present utility model adopts a hot runner system, eliminating the step of removing runner waste after each molding cycle in a cold runner mold, significantly shortening the production cycle, improving production efficiency, reducing material waste, and lowering production costs; more precisely controlling the temperature and flow of the plastic melt, ensuring the dimensional accuracy and surface quality of the automotive charging connector molded parts, and improving the overall performance and appearance aesthetics of the product.

[0013] 2. The present utility model connects the fixed template and the manifold plate through a reinforcing member, and the locking seat ensures stable positioning of the mold core, improving the overall structural strength of the mold, extending the service life of the mold, reducing the maintenance and replacement frequency. The cooperation of the ejector rod, return pin and return spring enables the product to be demolded quickly and smoothly, ensuring the continuity of the production process and the consistency of the product. The setting of the guide pillar ensures precise guiding of the mold during the opening and closing process, avoiding unnecessary wear, and improving the operation accuracy and stability of the mold. The multi-layer structure and adjustable components (such as the locking seat and double mold core design) enhance the adaptability to automotive charging connectors of different specifications and complexities, meeting the diverse production requirements.

[0014] Of course, it is not necessary for any product implementing the present utility model to achieve all the above-mentioned advantages simultaneously. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for describing the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present utility model, and those of ordinary skill in the art can obtain other drawings based on these drawings without creative efforts.

[0016] Figure 1 It is a schematic view of one side of the overall structure of the present utility model.

[0017] Figure 2 It is a schematic view of the other side of the overall structure of the present utility model.

[0018] Figure 3 It is a schematic view of the bottom of the overall structure of the present utility model.

[0019] Figure 4 This is a schematic diagram of the overall structure of the utility model disassembled.

[0020] Figure 5 This is a schematic diagram of the interior of the overall structure of the utility model.

[0021] Figure 6 This is a schematic diagram of the flow splitter plate and the moving template structure in the utility model.

[0022] Figure 7 This is a schematic diagram of the mold core structure in the utility model.

[0023] In the attached drawings, the list of components represented by each reference numeral is as follows:

[0024] 1. Hot runner mold; 11. Upper template; 12. Gate; 13. Fixed template; 14. Backing plate; 15. Flow splitter plate; 16. Moving template; 17. Mold base; 18. Lower template; 19. Bottom plate; 110. Top plate; 111. Return spring; 112. Controller; 113. Locking seat; 114. Reinforcement; 115. Hot runner chamber; 116. Hot runner plate; 117. Guide post; 118. Channel; 119. Hot nozzle port; 120. Lower mold core; 121. Upper mold core. Specific embodiments

[0025] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the attached drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0026] Embodiment

[0027] Please refer to Figure 1-7 , the present utility model is an injection mold for an automotive charging connector, including a hot runner mold 1. The hot runner mold 1 includes an upper template 11, a gate 12 embedded in the middle position of the upper template 11, a fixed template 13 inside the upper template 11, a hot runner chamber 115 provided inside the fixed template 13, a hot runner plate 116 fitted and installed inside the hot runner chamber 115, a controller 112 cooperating with the hot runner plate 116, a backing plate 14 provided inside the fixed template 13, a flow splitter plate 15 inside the backing plate 14, a channel 118 opened inside the flow splitter plate 15, a hot nozzle port 119 converging at the intersection of the channels 118, a moving template 16 provided inside the flow splitter plate 15, and a double mold core embedded inside the moving template 16.

[0028] The further description of the above structure is as follows:

[0029] A mold base 17 is provided on the side of the moving template 16. A lower template 18 is fixed to the mold base 17. A bottom plate 19 and a top plate 110 are provided above the lower template 18. The bottom plate 19 and the top plate 110 are arranged between the mold bases 17. A ejector rod is fixed above the top plate 110, and the upper end of the ejector rod is arranged inside the mold core in a matching manner. A return pin is arranged between the side of the top plate 110 and the moving template 16. A return spring 111 is sleeved outside the return pin. Guide columns 117 are sleeved at the corners of the end of the mold base 17. The guide columns 117 penetrate through the moving template 16, the manifold plate 15, the backing plate 14, the stationary template 13, and the end of the upper template 11.

[0030] A reinforcing member 114 is connected between the stationary template 13 and the manifold plate 15. A locking seat 113 is provided on the side of the moving template 16. The locking seat 113 abuts and is fixed to the side of the double mold core. The mold core includes a lower mold core 120 embedded in the moving template 16 and an upper mold core 121 arranged in cooperation with the upper part of the lower mold core 120.

[0031] This injection mold for automotive charging connectors aims to improve the machining accuracy, production efficiency, and service life of the mold. The detailed description of the above technical solutions is as follows:

[0032] This mold has a complex structure and distinct levels. From the upper template 11 to the bottom plate 19, it includes multiple key components such as a gate 12, a hot runner chamber 115, a hot runner plate 116, etc., which facilitate precise control of plastic flow and ensure the quality and consistency of the molded products. Components such as the hot runner chamber 115, the hot runner plate 116, and the controller 112 constitute a hot runner system, which realizes the continuous transportation and temperature control of the plastic melt, helps to shorten the molding cycle, reduce material waste, and at the same time ensure the surface quality and dimensional stability of the injection molded parts. The channels 118 and the hot nozzle ports 119 provided inside the manifold plate 15 ensure that the molten plastic can flow evenly and quickly to all parts of the mold, especially for automotive charging connectors with complex shapes.

[0033] A single mold core includes a lower mold core 120 and an upper mold core 121, which meets the needs of the product structure and can mold the complex internal and external geometries of the connector. The setting of the double mold core improves the processing efficiency of the mold. The cooperation between the ejector rod and the mold core, as well as the setting of the return pin and the return spring 111, ensure the smooth demolding of the product and the rapid reset of the mold, improving the production efficiency.

[0034] The use of the guide post 117 enhances the guiding accuracy and stability of the mold during the opening and closing process, avoids unnecessary wear. The reinforcement 114 strengthens the connection between the fixed template 13 and the manifold plate 15, improving the overall rigidity. The locking seat 113 ensures accurate positioning of the mold core, avoids deviation, and guarantees the forming accuracy.

[0035] The layout of components such as the mold base 17, the lower template 18, the bottom plate 19, and the top plate 110, as well as the ingenious cooperation of the ejector rod, the return pin, and the return spring 111, demonstrate the meticulous consideration in the mold design, ensuring the smooth operation and maintenance convenience of the mold.

[0036] In summary, the utility model design of this injection mold for automotive charging connectors aims to meet the high-precision and high-quality mass production requirements of automotive charging connectors by integrating an efficient hot runner system, precise flow control, stable structural design, and efficient ejection mechanism, reflecting the advanced concept and technical level of modern injection mold design.

[0037] In the description of this specification, the description referring to terms such as "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in a suitable manner in any one or more embodiments or examples.

[0038] The preferred embodiments of the present utility model disclosed above are only used to help explain the present utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the present utility model to the specific embodiments described. Obviously, many modifications and variations can be made according to the content of this specification. These embodiments are selected and specifically described in this specification to better explain the principles and practical applications of the present utility model, so that those skilled in the relevant technical fields can understand and utilize the present utility model well. The present utility model is only limited by the claims and their full scope and equivalents.

Claims

1. An injection mold for a connector for automobile charging, comprising a hot runner mold (1), characterized in that: The hot runner mold (1) comprises an upper mold plate (11), a gate (12) embedded in the middle of the upper mold plate (11), a fixed mold plate (13) located inside the upper mold plate (11), a hot runner chamber (115) arranged inside the fixed mold plate (13), a hot runner plate (116) adapted to be installed inside the hot runner chamber (115), a controller (112) matched with the hot runner plate (116), a pad (14) arranged inside the fixed mold plate (13), a diverter plate (15) located inside the pad (14), a channel (118) opened inside the diverter plate (15), a hot nozzle opening (119) converging at the intersection of the channels (118), a movable mold plate (16) arranged inside the diverter plate (15), and a double mold core embedded inside the movable mold plate (16).

2. The injection mold of a car charging connector according to claim 1, characterized in that: A mold base (17) is arranged on the side of the movable mold plate (16), and a lower mold plate (18) is fixed to the mold base (17). A bottom plate (19) and a top plate (110) are arranged on the upper side of the lower mold plate (18). The bottom plate (19) and the top plate (110) are arranged between the mold base (17), and a top rod is fixed on the upper side of the top plate (110), and the upper end of the top rod is arranged in cooperation with the inside of the mold core.

3. The injection mold of the automobile charging connector according to claim 2, characterized in that: A return pin is provided between the side surface of the top plate (110) and the movable platen (16), and a return spring (111) is sleeved on the outside of the return pin.

4. The injection mold of the automobile charging connector according to claim 2, characterized in that: A guide column (117) is sleeved at the corner of the end of the mold base (17), and the guide column (117) passes through the end of the movable mold plate (16), the diverter plate (15), the pad (14), the fixed mold plate (13) and the upper mold plate (11).

5. The injection mold of the automobile charging connector according to claim 1, characterized in that: A reinforcing piece (114) is connected between the fixed die plate (13) and the diverter plate (15), and a locking seat (113) is provided on the side of the movable die plate (16), wherein the locking seat (113) is fixed to the side of the double-die core in contact.

6. The injection mold of a connector for automobile charging according to claim 1, characterized in that: The mold core comprises a lower mold core (120) embedded in the interior of the movable mold plate (16), and an upper mold core (121) cooperatively arranged on the upper part of the lower mold core (120).

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