Preparation mold of automobile electroplate wire duct

Abstract

The utility model discloses a preparation mould of an automobile electric plate wire slot, which sequentially comprises a first fixing plate, a stripping plate, a first mould plate, a second mould plate, a second fixing plate, a cooling water path and a pouring structure, a first mould core and a second mould core are arranged between the first mould plate and the second mould plate, and the first mould core and the second mould core are provided with anti-displacement positioning structures. Wherein a profiled groove used for injection molding is formed between the first mold core and the second mold core, the profiled groove is connected with a pouring structure, prefabricated hardware is placed in the profiled groove, and a plastic part is formed on the prefabricated hardware through the pouring structure. And a plurality of plastic parts are preformed on the hardware sheet, and then the plastic parts are pressed by a mold during second injection, so that a positioning effect is achieved. And during mold closing, the mold compresses the plastic part to play a fixing role. After the product is subjected to injection molding, the part, higher than the surface of the product, of the blue plastic part is subjected to secondary machining and cutting, and mass production of the product is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of molds, in particular to a mold for preparing automobile electrical panel trunking. Background Art

[0002] The automotive wiring harness is the carrier of the vehicle's electrical circuits; without it, there would be no automotive circuits. Currently, the wiring harness components of both luxury and budget-friendly vehicles are essentially the same, consisting of wires, connectors, and protective materials. The basic layout of the wiring harness is determined by the vehicle's electrical components. These components are located throughout the vehicle, and the wiring harness must be installed inside the vehicle to connect these components and ensure their proper operation. Conventional technology requires various wiring ducts to protect the wiring harness, and molds are essential for their production.

[0003] However, during mold trials, the hardware in existing automotive electrical panel trunking molds lacks support points within the plastic product. The impact force generated during injection molding causes uncontrollable deformation of the hardware, exposing the hardware in critical areas of the plastic product. This renders the plastic product inoperable, resulting in an extremely high defect rate and preventing mass production. Utility Model Content

[0004] In order to overcome the deficiencies of the existing technical solutions, the utility model provides a mold for preparing automobile electrical panel trunking, which can effectively solve the problems raised by the background technology.

[0005] The technical solution adopted by the utility model to solve its technical problems is:

[0006] A mold for preparing an automotive electrical panel trunking comprises, in sequence, a first fixing plate, a stripping plate, a first template, a second template, a second fixing plate, a cooling water channel, and a casting structure. A first mold core and a second mold core are disposed between the first and second templates. The first and second mold cores are provided with anti-displacement positioning structures. A groove for injection molding is formed between the first and second mold cores. The groove is connected to the casting structure, and prefabricated hardware is placed in the groove. Plastic parts are molded from the prefabricated hardware through the casting structure.

[0007] In which, the plastic part is covered on the surface of the prefabricated hardware, and the plastic part is injection molded to form an injection layer, which includes a first supporting surface and a second supporting surface. The prefabricated hardware is arranged between the first supporting surface and the second supporting surface. The first supporting surface and the second supporting surface are also provided with a first positioning point and a second positioning point that contact the anti-displacement positioning structure.

[0008] As a further description of the above technical solution, the first fixed plate is connected to the stripping plate, the stripping plate is connected to the first template, the first template is connected with a sliding mechanism, the first template is connected to the first mold core, and the first template moves along the direction of the second fixed plate through the sliding mechanism.

[0009] As a further description of the above technical solution, the first mold core and the second mold core are provided with a limiting structure for fixing the prefabricated hardware, wherein one end of the prefabricated hardware has a plurality of bending portions.

[0010] As a further description of the above technical solution, the casting structure includes two groups of casting runners, which are respectively connected to the first positioning point and the second positioning point. The first positioning point and the second positioning point are formed with a raised reserved surface, which is connected to the anti-displacement positioning structure.

[0011] As a further description of the above technical solution, the anti-displacement positioning structure is composed of a plurality of positioning rods, and the positioning rods are respectively vertically arranged on the first positioning point and the second positioning point.

[0012] As a further description of the above technical solution, the cooling water channel is provided in the first mold core and the second mold core, the second mold core is provided on the second template, and the second template is connected to the second fixed plate.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] The mold for preparing the automobile electrical panel trunking of the utility model has at least one of the following beneficial effects during use:

[0015] To prevent hardware from shifting during injection molding, a pre-molding mold is added. Plastic parts are pre-molded onto the hardware sheet. During the second shot, the mold compresses the plastic parts to achieve positioning. During mold closing, the mold compresses the plastic parts, securing them in place. After injection molding, the protruding portion of the plastic part is removed through secondary processing, enabling mass production. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall structure of a mold for preparing a wiring duct for an automobile electrical panel according to the present invention;

[0017] Figure 2 This is a schematic diagram of the partial overall side structure of a mold for preparing a wiring duct for an automobile electrical panel according to the present invention;

[0018] Figure 3 This is a schematic structural diagram of the first part of a mold for preparing a wiring duct for an automobile electrical panel according to the present invention;

[0019] Figure 4This is a schematic structural diagram of the second part of a mold for preparing a wiring duct for an automobile electrical panel according to the present invention;

[0020] Figure 5 This is a schematic structural diagram of the third part of a mold for preparing a wiring duct for an automobile electrical panel according to the present invention;

[0021] Figure 6 This is a schematic diagram of the top view of the first part of a mold for preparing a wiring duct for an automobile electrical panel according to the present invention;

[0022] Figure 7 for Figure 6 Schematic diagram of the cross-section structure in.

[0023] Numbers in the figure:

[0024] 1. First fixing plate; 2. Second fixing plate; 3. Stripping plate; 4. First template; 5. Second template; 6. First mold core; 7. Second mold core; 8. Anti-displacement positioning structure; 801. Positioning rod; 9. Cooling water channel; 902. Casting structure; 10. Plastic parts; 1001. Prefabricated hardware; 1002. Injection molding layer; 1003. First supporting surface; 1004. Second supporting surface; 1005. First positioning point; 1006. Second positioning point. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0026] like Figure 1-7 As shown, the utility model provides a preparation mold for an automobile electrical panel trunking, which includes a first fixed plate 1, a stripping plate 3, a first template 4, a second template 5, a second fixed plate 2, a cooling water channel 9 and a casting structure 902 in sequence, and a first mold core 6 and a second mold core 7 are provided between the first template 4 and the second template 5, and the first mold core 6 and the second mold core 7 are provided with an anti-displacement positioning structure 8, wherein a groove for injection molding is formed between the first mold core 6 and the second mold core 7, the groove is connected to the casting structure 902, and a prefabricated hardware 1001 is placed in the groove, and the prefabricated hardware 1001 is molded with a plastic part 10 through the casting structure 902.

[0027] During the initial mold trial, the hardware lacked support points in the plastic product. The impact force generated during the injection molding of the plastic product caused the hardware to deform uncontrollably, exposing the hardware in the critical area of ​​the plastic product, causing the plastic product to lose its function, resulting in an extremely high defective rate and making mass production impossible.

[0028] In order to prevent the hardware from shifting during injection molding, this embodiment adds a set of pre-molding molds. First, some plastic parts 10 are pre-molded on the hardware sheet, and then the mold is used to press the plastic parts 10 during the second shot to achieve the positioning effect.

[0029] When the mold is closed, the mold presses the plastic part 10 to fix it. After the product is injection molded, the part of the plastic part 10 that protrudes from the product surface is removed for secondary processing, and the product can be mass-produced.

[0030] In which, the plastic part 10 is coated on the surface of the prefabricated hardware 1001, and the plastic part 10 is injection molded with an injection layer 1002, and the injection layer 1002 includes a first supporting surface 1003 and a second supporting surface 1004. The prefabricated hardware 1001 is arranged between the first supporting surface 1003 and the second supporting surface 1004, and the first supporting surface 1003 and the second supporting surface 1004 are also provided with a first positioning point 1005 and a second positioning point 1006 that contact the anti-displacement positioning structure 8.

[0031] It is further explained that the first fixed plate 1 is connected to the stripping plate 3, the stripping plate 3 is connected to the first template 4, the first template 4 is connected with a sliding mechanism, the first template 4 is connected to the first mold core 6, and the first template 4 moves along the direction of the second fixed plate 2 through the sliding mechanism.

[0032] It is further explained that the first mold core 6 and the second mold core 7 are provided with a limiting structure for fixing the prefabricated hardware 1001, wherein one end of the prefabricated hardware 1001 has a plurality of bending portions.

[0033] It is further explained that the casting structure 902 includes two groups of casting runners, which are respectively connected to the first positioning point 1005 and the second positioning point 1006. The first positioning point 1005 and the second positioning point 1006 are formed with raised reserved surfaces, which are connected to the anti-displacement positioning structure 8.

[0034] It is further explained that the anti-displacement positioning structure 8 is composed of a plurality of positioning rods 801 , and the positioning rods 801 are respectively vertically arranged on the first positioning point 1005 and the second positioning point 1006 .

[0035] It is further explained that the cooling water channel 9 is provided in the first mold core 6 and the second mold core 7 , the second mold core 7 is provided on the second mold plate 5 , and the second mold plate 5 is connected to the second fixing plate 2 .

[0036] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. A mold for preparing automobile electrical board trunking, characterized by: The mold assembly includes a first fixing plate, a stripping plate, a first template, a second template, a second fixing plate, a cooling water channel, and a casting structure. A first mold core and a second mold core are provided between the first template and the second template. The first mold core and the second mold core are provided with an anti-displacement positioning structure. A groove for injection molding is formed between the first mold core and the second mold core. The groove is connected to the casting structure, and prefabricated hardware is placed in the groove. Plastic parts are molded from the prefabricated hardware through the casting structure. In which, the plastic part is covered on the surface of the prefabricated hardware, and the plastic part is injection molded to form an injection layer, which includes a first supporting surface and a second supporting surface. The prefabricated hardware is arranged between the first supporting surface and the second supporting surface. The first supporting surface and the second supporting surface are also provided with a first positioning point and a second positioning point that contact the anti-displacement positioning structure.

2. The mold for preparing automobile electrical board trunking according to claim 1, characterized in that: The first fixed plate is connected to the stripping plate, the stripping plate is connected to the first template, the first template is connected with a sliding mechanism, the first template is connected to the first mold core, and the first template moves along the direction of the second fixed plate through the sliding mechanism.

3. The mold for preparing automobile electrical board trunking according to claim 1, characterized in that: The first mold core and the second mold core are provided with a limiting structure for fixing the prefabricated hardware, wherein one end of the prefabricated hardware has a plurality of bending parts.

4. The mold for preparing automobile electrical board trunking according to claim 1, characterized in that: The pouring structure includes two groups of pouring channels, which are respectively connected to a first positioning point and a second positioning point. The first positioning point and the second positioning point are formed with a raised reserved surface, and the reserved surface is connected to the anti-displacement positioning structure.

5. The mold for preparing automobile electrical board trunking according to claim 1 or 4, characterized in that: The anti-displacement positioning structure is composed of a plurality of positioning rods, and the positioning rods are respectively vertically arranged on the first positioning point and the second positioning point.

6. The mold for preparing automobile electrical board trunking according to claim 1, characterized in that: The cooling water channel is provided in the first mold core and the second mold core. The second mold core is provided on the second template. The second template is connected to the second fixing plate.

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