A two-color forming die for automobile electroplating ring

By designing a dual-color molding mold for automotive electroplating rings with moving dies and hydraulic cylinders, secondary injection molding and automatic waste cleaning are realized, solving the problem of inconvenient cleaning of product tail waste when extrusion injection is solved and production efficiency is improved.

CN222741971UActive Publication Date: 2025-04-11TAICANG YAWO AUTOMOBILE TECH CO LTD
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Patent Information

Application Number
CN202421000685.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-10
Publication Date
2025-04-11
Estimated Expiration
2034-05-10

AI Technical Summary

Technical Problem

During the automotive electroplating process, waste is easily generated at the tail of the product when extrusion is injected, and it is inconvenient to clean and discharge, resulting in low production efficiency.

Method used

A two-color molding mold of an automobile electroplating ring is designed, using a driving motor to drive the rotating of the moving mold to realize secondary injection molding, and through the cooperation of the hydraulic cylinder and the moving block, the waste is automatically cleaned to ensure the internal uniformity of the extruded material during injection molding.

Benefits of technology

It effectively solves the problem of inconvenient cleaning and discharge of product tail waste during extrusion injection, improves production efficiency, and ensures efficient operation of the mold.

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Abstract

The utility model relates to the field of mold technology, and specifically to a two-color molding mold for an automobile electroplated circular ring, comprising a shell, which supports and protects the internal structure; a rotating assembly, which is installed on the inner side wall of one side of the shell and is used to provide power for two-color injection molding; and an extruding assembly, which is installed on the inner side wall of the other side of the shell and is used to extrude materials into the interior during two-color injection molding. The utility model extrude materials into the interior of the second material tube to complete a single injection molding, and after the internal solidification, the second hydraulic cylinder is driven to drive the moving block to move on the slide bar, so that the fixed mold and the movable block are separated, and the point gate at the tail of the injection-cured product is separated from the product, and at the same time, the first hydraulic cylinder is driven to realize the movement of the fixed plate, so that the rotating plate is separated from the movable block, thereby realizing the mold opening, the motor is driven to rotate the rotating plate 180 degrees, and the first hydraulic cylinder is driven to complete the internal mold closing state, and the material is extruded into the interior of the first material tube to complete the secondary injection molding of the mold.
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Description

Technical Field

[0001] The utility model relates to the technical field of molds, in particular to a two-color molding mold for an automobile electroplating ring. Background Art

[0002] Electroplating is the process of plating a thin layer of other metals or alloys on certain metal surfaces using the principle of electrolysis. It is a process that uses electrolysis to attach a layer of metal film to the surface of metal or other material parts, thereby preventing metal oxidation, improving wear resistance, conductivity, reflectivity, corrosion resistance and enhancing aesthetics. The outer layer of many coins is also electroplated. The characteristics of automotive interior and exterior trims are high requirements for product appearance, complex parting, and high requirements for surface finish. The molds are generally large and medium-sized, and the mold structure is complex and changeable. During the molding process, waste will be generated inside the injection port of the mold. On the basis of the waste inside, when injecting into the interior, there will be blockage, resulting in the cleaning of the internal extrusion port during injection molding, resulting in time waste and low production efficiency.

[0003] After searching, a utility model patent with publication number CN203994442U specifically discloses a two-color mold, including: a fixed mold plate fixed on a support frame, a first movable plate movable on the fixed mold plate, a second movable plate movable under the fixed mold plate, a first color molding cavity formed between the fixed mold plate and the first movable plate, and a second color molding cavity formed between the fixed mold plate and the second movable plate. The utility model provides an automatic completion and simultaneous molding of products in two molding cavities with high efficiency.

[0004] The above patent solves the problem of injection of two molding cavities, but there is still the problem that waste is generated at the tail of the product during extrusion injection, which is inconvenient to clean and discharge. Therefore, it is necessary to invent a two-color molding mold for automobile electroplating rings to solve the above problem. Utility Model Content

[0005] The utility model aims to provide a two-color forming mold for an automobile electroplating ring, which can complete the secondary injection molding of the product by driving the movable mold to rotate through a driving motor, process the point gate of the product, and let the waste fall into the waste trough, so that the internal extrusion is uniform during extrusion injection, so as to solve the problem of waste generated at the tail of the product during extrusion injection in the prior art, which is inconvenient to clean and discharge.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: an automobile electroplating ring two-color molding die, comprising a shell, the shell supports and protects the internal structure;

[0007] The rotating assembly is installed on the inner wall of one side of the shell and is used to provide power for two-color injection molding; the extruding assembly is installed on the inner wall of the other side of the shell and is used to extrude materials into the interior during two-color injection molding;

[0008] A material discharge assembly is installed inside the shell and is used to discharge waste materials;

[0009] The pusher assembly is installed inside the shell and is used to push the product out. A movable mold is arranged inside the rotating assembly. Two push plates are slidably connected inside the movable mold. The two push plates are symmetrically distributed inside the movable mold with the movable mold as the central axis.

[0010] Preferably, a discharge chute is provided at the inner bottom of the shell, a warehouse door is hinged on the side of the shell, the rotating assembly also includes a hydraulic cylinder 1 on the side of the shell, the output end of the hydraulic cylinder 1 is fixedly connected to a connecting rod, the outside of the connecting rod is fixedly connected to a fixed plate, the fixed plate is slidably connected to the shell, the side of the fixed plate is rotatably connected to a movable mold, the side of the movable mold is fixedly connected to a rotating plate, the inside of the connecting rod is fixedly connected to a motor, and the output end of the motor is fixedly connected to the movable mold.

[0011] Preferably, mold core 1 and mold core 2 are fixedly connected to the side of the rotating plate, a fixed mold is fixedly connected to the inner wall of the shell, a movable block is slidably connected to the side of the fixed mold, and material pipe 1 and material pipe 2 are opened inside the fixed mold, and material pipe 1 and material pipe 2 extend to the inside of the movable block.

[0012] Preferably, a fixed rod is fixedly connected to the side of the fixed mold, a sliding rod is fixedly connected to the inside of the fixed rod, a moving block is arranged between the sliding rod and the movable block, one end of the moving block is slidably connected to the sliding rod, and the other end of the moving block is fixedly connected to the movable block, and the moving block is driven by hydraulic cylinder 2.

[0013] Preferably, a fixing column is fixedly connected to the side of the shell, a notch is provided inside the fixing plate, the fixing column cooperates with the notch, and a push plate is slidably connected inside the movable mold.

[0014] Preferably, an ejector pin is fixedly connected to the end of the push plate, and a spring is sleeved outside the ejector pin.

[0015] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0016] 1. Complete the primary injection molding by squeezing the material into the second material tube. After the internal solidification, drive the second hydraulic cylinder to drive the moving block to move on the slide bar, so that the fixed mold and the movable block are separated, and the point gate at the tail of the injection-cured product is separated from the product. At the same time, drive the first hydraulic cylinder to move the fixed plate, so that the rotating plate is separated from the movable block, so as to realize the mold opening. Drive the motor to rotate the rotating plate 180 degrees, drive the first hydraulic cylinder to complete the internal mold closing state, and squeeze the material into the first material tube to complete the secondary injection molding of the mold;

[0017] 2. By driving the second hydraulic cylinder to move, the internal point gate falls into the waste slot of the discharge chute, and the first hydraulic cylinder drives the fixed plate to open the mold. The first hydraulic cylinder drives the fixed plate to move, so that the fixed column matches the notch of the fixed plate. The fixed column pushes the push plate and the ejector to contact the product. The ejector ejects the product, and the product falls into the product slot inside the discharge chute, so that the product completes two moldings and one demolding. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0019] Figure 1 It is a schematic diagram of the overall top view cross-sectional structure of the utility model;

[0020] Figure 2 It is a schematic diagram of the connection structure between the movable mold and the rotating plate of the utility model;

[0021] Figure 3 It is a schematic diagram of the overall side view structure of the utility model;

[0022] Figure 4 For the utility model Figure 1 Enlarged structural diagram at A in the middle.

[0023] Description of reference numerals:

[0024] 001, housing; 002, rotating assembly; 003, extruding assembly; 004, unloading assembly; 005, pushing assembly;

[0025] 101. discharge chute; 102. warehouse door;

[0026] 201, hydraulic cylinder 1; 202, connecting rod; 203, fixed plate; 204, movable mold; 205, motor; 206, rotating plate; 207, mold core 1; 208, mold core 2;

[0027] 301, fixed mold; 302, movable block; 303, material tube 1; 304, material tube 2;

[0028] 401, fixed rod; 402, sliding rod; 403, moving block;

[0029] 501, fixed column; 502, push plate; 503, ejector pin. DETAILED DESCRIPTION

[0030] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0031] The utility model provides Figure 1-4 The illustrated automobile electroplating circular ring two-color molding die comprises a shell 001, which supports and protects the internal structure;

[0032] The rotating assembly 002 is installed on the inner side wall of the housing 001 and is used to provide power for the two-color injection molding;

[0033] Extrusion component 003, installed on the inner wall of the other side of the housing 001, used for extruding materials into the interior during two-color injection molding;

[0034] The material discharge assembly 004 is installed inside the housing 001 and is used to discharge the waste;

[0035] The push assembly 005 is installed inside the shell 001 and is used to push the product out. A movable mold 204 is arranged inside the rotating assembly 002. Two push plates 502 are slidably connected inside the movable mold 204. The two push plates 502 are symmetrically distributed inside the movable mold 204 with the movable mold 204 as the central axis.

[0036] A discharge chute 101 is provided at the inner bottom of the shell 001, a warehouse door 102 is hinged on the side of the shell 001, and the rotating assembly 002 also includes a hydraulic cylinder 201 on the side of the shell 001, the output end of the hydraulic cylinder 201 is fixedly connected to a connecting rod 202, the outside of the connecting rod 202 is fixedly connected to a fixed plate 203, the fixed plate 203 is slidably connected to the shell 001, the side of the fixed plate 203 is rotatably connected to a movable mold 204, the side of the movable mold 204 is fixedly connected to a rotating plate 206, the inside of the connecting rod 202 is fixedly connected to a motor 205, the output end of the motor 205 is fixedly connected to the movable mold 204, and the hydraulic cylinder 201 is driven to drive the fixed plate 203 and the movable mold 204 to make the rotating plate 206 and the movable block 302 present a mold closing state.

[0037] The sides of the rotating plate 206 are fixedly connected with mold core 1 207 and mold core 208, the inner side wall of the shell 001 is fixedly connected with a fixed mold 301, and the side of the fixed mold 301 is slidably connected with a movable block 302. The interior of the fixed mold 301 is provided with a material pipe 1 303 and a material pipe 2 304, and the material pipe 1 303 and the material pipe 2 304 extend to the interior of the movable block 302. The two extrusion ports improve the production efficiency.

[0038] A fixed rod 401 is fixedly connected to the side of the fixed mold 301, a sliding rod 402 is fixedly connected inside the fixed rod 401, a moving block 403 is arranged between the sliding rod 402 and the movable block 302, one end of the moving block 403 is slidably connected to the sliding rod 402, and the other end of the moving block 403 is fixedly connected to the movable block 302. The moving block 403 is driven by hydraulic cylinder 2, and the driving hydraulic cylinder 2 drives the moving block 403 to move on the sliding rod 402, so that the fixed mold 301 and the movable block 302 are separated, and the point gate behind the product is separated from the product.

[0039] A fixing column 501 is fixedly connected to the side of the shell 001, a slot is opened inside the fixing plate 203, the fixing column 501 cooperates with the slot, and a push plate 502 is slidably connected inside the movable mold 204. The fixing plate 203 moves the internal slot to cooperate with the fixing column 501, the fixing column 501 contacts the push plate 502, and the ejector pin 503 ejects the product.

[0040] The end of the push plate 502 is fixedly connected with an ejector pin 503 , and the outer sleeve of the ejector pin 503 is provided with a spring, and the spring enables the ejector pin 503 to reset automatically.

[0041] The working principle of the utility model is as follows: when the power is turned on, the extrusion tube extrudes the material into the inside of the second material tube 304 at one time, and the material is injected into the mold core 1 207 inside the rotating plate 206. After the internal solidification, the second hydraulic cylinder is driven to drive the moving block 403 to move on the slide bar 402, so that the fixed mold 301 and the movable block 302 are separated, and the point gate behind the product is separated from the product, and the waste material falls into the waste tank of the discharge tank 101. At the same time, the hydraulic cylinder 1 201 is driven to drive the fixed plate 203, the movable mold 204 and the rotating plate 206 to move, so that the original mold closing state is opened, and the driving motor 205 drives the movable mold 204 and the rotating plate 206 to rotate, rotate 180 degrees, and drive the hydraulic cylinder 1 201 to drive the fixed plate 203 and The movable mold 204 makes the rotating plate 206 and the movable block 302 present a mold closing state, and the extrusion tube extrude material into the internal material tube 1 303 and the material tube 2 304 for a second time at the same time, so that the product completes the two-color molding, and the hydraulic cylinder 2 is driven to drive the moving block 403 to move on the slide bar 402 to disengage the product rear end gate, and the hydraulic cylinder 1 201 is driven to drive the connecting rod 202 to complete the mold opening. When the fixed plate 203 moves the internal notch to match the fixed column 501, the fixed column 501 contacts the push plate 502, and the ejector pin 503 ejects the product, and the product falls into the product slot inside the discharge slot 101, thereby completing the production of the two-color product. The product is sent to the electroplating workshop for electroplating, and the power is disconnected.

[0042] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A two-color forming die for automobile electroplating rings, characterized in that: include A shell (001), wherein the shell (001) supports and protects the internal structure; A rotating assembly (002) is installed on an inner side wall of the housing (001) and is used to provide power for two-color injection molding; An extrusion assembly (003) is installed on the inner wall of the other side of the housing (001) and is used to extrude material into the interior during two-color injection molding; A material discharge assembly (004) is installed inside the housing (001) and is used to discharge waste materials; The pusher assembly (005) is installed inside the shell (001) and is used to push the product out. A movable mold (204) is arranged inside the rotating assembly (002). Two push plates (502) are slidably connected inside the movable mold (204). The two push plates (502) are symmetrically distributed inside the movable mold (204) with the movable mold (204) as the central axis.

2. The automotive electroplating ring two-color molding die according to claim 1, characterized in that: The inner bottom of the shell (001) is provided with a discharge trough (101), and the side of the shell (001) is hinged with a warehouse door (102). The rotating assembly (002) further comprises a hydraulic cylinder 1 (201) on the side of the shell (001), the output end of the hydraulic cylinder 1 (201) is fixedly connected to a connecting rod (202), the outside of the connecting rod (202) is fixedly connected to a fixed plate (203), the fixed plate (203) is slidably connected to the shell (001), the side of the fixed plate (203) is rotatably connected to a movable mold (204), the side of the movable mold (204) is fixedly connected to a rotating plate (206), the inside of the connecting rod (202) is fixedly connected to a motor (205), and the output end of the motor (205) is fixedly connected to the movable mold (204).

3. The automotive electroplating ring two-color molding die according to claim 2, characterized in that: The sides of the rotating plate (206) are fixedly connected with mold core 1 (207) and mold core 2 (208); the inner side wall of the shell (001) is fixedly connected with a fixed mold (301); the sides of the fixed mold (301) are slidably connected with a movable block (302); a material pipe 1 (303) and a material pipe 2 (304) are provided inside the fixed mold (301); the material pipe 1 (303) and the material pipe 2 (304) extend into the interior of the movable block (302).

4. The automotive electroplating ring two-color molding die according to claim 3, characterized in that: A fixed rod (401) is fixedly connected to the side of the fixed mold (301), a sliding rod (402) is fixedly connected inside the fixed rod (401), a moving block (403) is arranged between the sliding rod (402) and the movable block (302), one end of the moving block (403) is slidably connected to the sliding rod (402), and the other end of the moving block (403) is fixedly connected to the movable block (302), and the moving block (403) is driven by a second hydraulic cylinder.

5. The automotive electroplating ring two-color molding die according to claim 2, characterized in that: A fixing column (501) is fixedly connected to the side of the shell (001), a notch is provided inside the fixing plate (203), the fixing column (501) cooperates with the notch, and a push plate (502) is slidably connected inside the movable mold (204).

6. The automotive electroplating ring two-color molding die according to claim 5, characterized in that: The end of the push plate (502) is fixedly connected to a push pin (503), and a spring is sleeved on the outside of the push pin (503).

Citation Information

Patent Citations

  • Double-color mold

    CN203994442U