A charger housing zero draft structure

Abstract

The application belongs to the field of molds, and particularly relates to a zero-degree ejection structure of a charger shell, which aims at the problem that the existing integral injection molding ejection has a slight slope and needs a certain slope to facilitate ejection; the structure adopts right-angle slider injection molding, and a mold joint line is formed at the slider connecting position after ejection, and subsequent machining is needed, which is relatively troublesome, and the following scheme is proposed, which comprises an upper mold assembly and a lower mold assembly, the upper mold assembly is arranged on the lower mold assembly, the upper mold assembly comprises a top plate and a first cooling plate, the first cooling plate is arranged at the bottom of the top plate, the lower mold assembly comprises a second cooling plate and a base, the bottom of the second cooling plate is fixedly connected with the top of the base, and the top of the top plate is provided with an injection port; the mold after injection molding can be cooled through a cooling mechanism, the side surface of the product does not rub against the through hole of the first cooling plate through the principle of thermal expansion and cold contraction, and the quality of the mold is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of molds, in particular to a zero-degree ejection structure for a charger shell. BACKGROUND

[0002] Injection molding is a method of producing shapes of industrial products. Products are usually made of rubber and plastic. Injection molding can also be divided into injection molding and die casting.

[0003] An injection molding machine (referred to as an injection machine or an injection molding machine) is a main molding equipment for making various shapes of plastic products by using thermoplastic or thermosetting materials and plastic molding molds. Injection molding is realized through an injection molding machine and a mold.

[0004] The existing ejection technology has the following problems:

[0005] 1. The overall injection molding ejection has a slight slope, and a certain slope is needed to facilitate ejection, which will cause friction and affect the quality;

[0006] 2. The injection molding using a right-angle slider will form a mold line at the slider connection position after ejection, which needs subsequent machining and is more troublesome;

[0007] In view of the above problems, the present application provides a zero-degree ejection structure for a charger shell. SUMMARY

[0008] The present application provides a zero-degree ejection structure for a charger shell, which solves the problems of the prior art, such as the overall injection molding ejection having a slight slope, the need for a certain slope to facilitate ejection, the injection molding using a right-angle slider to form a mold line at the slider connection position after ejection, and the need for subsequent machining and being more troublesome.

[0009] The present application provides the following technical solutions:

[0010] A zero-degree ejection structure for a charger shell, comprising an upper mold assembly and a lower mold assembly, the upper mold assembly is arranged on the lower mold assembly, the upper mold assembly comprises a top plate and a first cooling plate, the first cooling plate is arranged at the bottom of the top plate, the lower mold assembly comprises a second cooling plate and a base, the bottom of the second cooling plate is fixedly connected with the top of the base, the top of the top plate is provided with an injection port, the injection port is fixedly connected with a gate sleeve, the bottom of the gate sleeve is fixedly connected with a glue injection channel, the top of the glue injection channel is fixedly connected with a glue hooking needle, a through hole is formed in the first cooling plate, the inner wall of the through hole is fixedly connected with an insert block, two air pipes are arranged on one side of the insert block, two air jacks are fixedly connected with the bottom of the insert block, one end of the two air pipes penetrates through one side of the insert block and is fixedly connected with the gas inlet of the air jacks, the top of the second cooling plate is concave, and the top of the second cooling plate is fixedly connected with a mold block.

[0011] The cooling mechanism is arranged in the first cooling plate and the second cooling plate to cool the mold.

[0012] In a possible design, the cooling mechanism comprises a first cooling pipe and a second cooling pipe, the first cooling pipe is arranged in the first cooling plate, the first cooling plate is provided with a first water inlet and a first water outlet at two sides respectively, two ends of the first cooling pipe are fixedly connected with the first water inlet and the first water outlet respectively, the second cooling pipe is arranged in the second cooling plate and the module, the second cooling plate and the module are an integral structure, the second cooling plate is provided with a second water inlet and a second water outlet at two sides respectively, and two ends of the second cooling pipe are fixedly connected with the second water inlet and the second water outlet respectively.

[0013] In a possible design, the top four corners of the second cooling plate are fixedly connected with guide columns, four round holes are arranged on the first cooling plate, the guide columns are located in the round holes, and the first cooling plate is in sliding connection with the four guide columns.

[0014] In a possible design, the two side inner walls of the base are in sliding connection with a same buffer plate, the top four corners of the buffer plate are fixedly connected with cylinders, springs are sleeved on the cylinders, the top end of the spring is fixedly connected with the bottom of the second cooling plate, the bottom end of the spring is fixedly connected with the top of the buffer plate, four sliding holes are arranged on the top of the second cooling plate, the top end of the four cylinders is located in the sliding hole and in sliding connection, the top end of the four cylinders is in threaded connection with a mold opening and closing device, the bottom of the first cooling plate is provided with a socket, the plug end of the mold opening and closing device is inserted into the socket, the top of the buffer plate is fixedly connected with four moving columns, a moving plate is sleeved on the module, the moving plate is in the shape of a mouth, the moving columns pass through the top of the second cooling plate and are fixedly connected with the bottom of the moving plate.

[0015] In a possible design, the bottom four corners of the top plate are fixedly connected with limiting rods, recesses are arranged at the top four corners of the second cooling plate, and convex holes are arranged on the first cooling plate, the other end of the limiting rod is located in the convex hole.

[0016] In a possible design, one side of the top plate is provided with a safety buckle, and the safety buckle is fixed on the top plate through bolts.

[0017] It should be understood that the above general description and the following detailed description are only exemplary and cannot limit the present application.

[0018] In the application, the water flowing inside the first cooling pipe and the second cooling pipe is used to cool the mold after injection molding, and the principle of thermal expansion and contraction is used to prevent the side of the product from rubbing against the through hole of the first cooling plate, thereby improving the quality of the mold.

[0019] In the application, the movement of the first cooling plate drives the movement of the mold opener, the movement of the mold opener drives the movement of the cylinder, the movement of the cylinder drives the movement of the buffer plate, the movement of the buffer plate drives the movement of the moving column, and the movement of the moving column drives the movement of the moving plate, so as to keep the zero mold on the upper mold assembly, and the buffer plate can be reset through the spring.

[0020] In the application, when the upper mold assembly and the lower mold assembly need to be transported, the safety buckle can be fixed on the upper mold assembly and the lower mold assembly through bolts, so as to prevent the opening during transportation.

[0021] In the application, the structure is reasonable, the cooling mechanism can be used to cool the mold after injection molding, and the principle of thermal expansion and contraction is used to prevent the side of the product from rubbing against the through hole of the first cooling plate, thereby improving the quality of the mold. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 The figure is a front view of the zero-degree mold structure of the charger shell provided by the embodiment of the application;

[0023] Figure 2 The figure is a membrane pulling state structure diagram of the zero-degree mold structure of the charger shell provided by the embodiment of the application;

[0024] Figure 3 The figure is a top view of the upper mold assembly of the zero-degree mold structure of the charger shell provided by the embodiment of the application;

[0025] Figure 4 The figure is a front view of the zero-degree mold structure of the charger shell provided by the embodiment of the application;

[0026] Figure 5 The figure is a side view of the lower mold assembly of the zero-degree mold structure of the charger shell provided by the embodiment of the application;

[0027] Figure 6 The figure is a first cooling plate sectional view of the zero-degree mold structure of the charger shell provided by the embodiment of the application;

[0028] Figure 7 The figure is a second cooling plate internal mechanism diagram of the zero-degree mold structure of the charger shell provided by the embodiment of the application;

[0029] Figure 8A side view structure diagram of the zero-degree draw structure of the charger shell is provided in the embodiment of the present application;

[0030] Figure 9 A side view structure diagram of the zero-degree draw structure of the charger shell is provided in the embodiment of the present application;

[0031] Figure 10 A side view structure diagram of the zero-degree draw structure of the charger shell is provided in the embodiment of the present application;

[0032] Figure 11 A side view structure diagram of the zero-degree draw structure of the charger shell is provided in the embodiment of the present application;

[0033] Figure 12 A side view structure diagram of the zero-degree draw structure of the charger shell is provided in the embodiment of the present application;

[0034] Figure 13 A side view structure diagram of the zero-degree draw structure of the charger shell is provided in the embodiment of the present application.

[0035] Reference signs:

[0036] 1, top plate; 2, first cooling plate; 3, second cooling plate; 4, base; 5, buffer plate; 6, air pipe; 7, sprue bushing; 8, upper mold assembly; 9, lower mold assembly; 10, guide column; 11, limiting rod; 12, first cooling pipe; 13, second cooling pipe; 14, glue injection channel; 15, spring; 16, cylinder; 17, moving column; 18, mold opening and closing device; 19, mold block; 20, moving plate; 21, insert block; 22, air top; 23, safety buckle. DETAILED DESCRIPTION

[0037] The embodiments of the present application are described below with reference to the accompanying drawings.

[0038] In the description of the embodiments of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "connection", "installation" should be understood in a broad sense, for example, "connection" can be detachable connection, or can be non-detachable connection, can be direct connection, or can be indirect connection through intermediate medium. In addition, "communication" can be direct communication, or can be indirect communication through intermediate medium. Among them, "fixing" means connecting with each other and the relative positional relationship after connection does not change. The orientation language mentioned in the embodiments of the present application, such as "inner", "outer", "top", "bottom" and the like, is only the direction of the drawing, therefore, the orientation language used is for better and clearer illustration and understanding of the embodiments of the present application, and is not indicative or implied that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the embodiments of the present application.

[0039] Embodiment 1

[0040] Referring to Figures 1-13 A charger shell zero draft structure, comprising an upper die assembly 8 and a lower die assembly 9, the upper die assembly 8 is arranged on the lower die assembly 9, the upper die assembly 8 comprises a top plate 1 and a first cooling plate 2, the first cooling plate 2 is arranged at the bottom of the top plate 1, the lower die assembly 9 comprises a second cooling plate 3 and a base 4, the bottom of the second cooling plate 3 is fixedly connected with the top of the base 4, the top of the top plate 1 is provided with an injection port, the injection port is fixedly connected with a gate sleeve 7, the bottom of the gate sleeve 7 is fixedly connected with a glue injection channel 14, the top of the glue injection channel 14 is fixedly connected with a glue injection needle, a through hole is formed in the first cooling plate 2, the inner wall of the through hole is fixedly connected with an insert block 21, two air pipes 6 are arranged on one side of the insert block 21, two air jacks 22 are fixedly connected with the bottom of the insert block 21, one end of the two air pipes 6 penetrates through one side of the insert block 21 and is fixedly connected with the gas inlet of the air jack 22, the top of the second cooling plate 3 is concave, the top of the second cooling plate 3 is fixedly connected with a die block 19;

[0041] A cooling mechanism is arranged in the first cooling plate 2 and the second cooling plate 3 for cooling the mold.

[0042] The above technical scheme can cool the mold after injection molding through the cooling mechanism, and the side of the product does not rub against the through hole of the first cooling plate 2 through the principle of thermal expansion and cold contraction, thereby improving the quality of the mold.

[0043] Referring to Figures 1-13The cooling mechanism comprises a first cooling pipe 12 and a second cooling pipe 13, the first cooling pipe 12 is arranged in the first cooling plate 2, the first cooling plate 2 is provided with a first water inlet and a first water outlet on two sides respectively, and the two ends of the first cooling pipe 12 are fixedly connected with the first water inlet and the first water outlet respectively; the second cooling pipe 13 is arranged in the second cooling plate 3 and the module 19, the second cooling plate 3 and the module 19 are integrated, the second cooling plate 3 is provided with a second water inlet and a second water outlet on two sides respectively, and the two ends of the second cooling pipe 13 are fixedly connected with the second water inlet and the second water outlet respectively.

[0044] The above technical scheme cools the mold after injection by the water flowing in the first cooling pipe 12 and the second cooling pipe 13, and the side surface of the product does not rub against the through hole of the first cooling plate 2 through the principle of thermal expansion and contraction, so that the quality of the mold is improved.

[0045] Embodiment 2

[0046] With reference to Figures 1-13 The zero-draft structure of the charger shell comprises an upper mold assembly 8 and a lower mold assembly 9, the upper mold assembly 8 is arranged on the lower mold assembly 9, the upper mold assembly 8 comprises a top plate 1 and a first cooling plate 2, the first cooling plate 2 is arranged at the bottom of the top plate 1, the lower mold assembly 9 comprises a second cooling plate 3 and a base 4, the bottom of the second cooling plate 3 is fixedly connected with the top of the base 4, the top of the top plate 1 is provided with an injection port, the injection port is fixedly connected with a sprue bushing 7, the bottom of the sprue bushing 7 is fixedly connected with a glue injection channel 14, the top of the glue injection channel 14 is fixedly connected with a glue injection needle, the first cooling plate 2 is provided with a through hole, the inner wall of the through hole is fixedly connected with an insert block 21, one side of the insert block 21 is provided with two air pipes 6, the bottom of the insert block 21 is fixedly connected with two air jacks 22, one end of the two air pipes 6 penetrates through one side of the insert block 21 and is fixedly connected with the gas inlet of the air jack 22, the top of the second cooling plate 3 is concave, and the top of the second cooling plate 3 is fixedly connected with a module 19.

[0047] The cooling mechanism is arranged in the first cooling plate 2 and the second cooling plate 3 to cool the mold.

[0048] The above technical scheme cools the mold after injection by the cooling mechanism, and the side surface of the product does not rub against the through hole of the first cooling plate 2 through the principle of thermal expansion and contraction, so that the quality of the mold is improved.

[0049] With reference to Figures 1-13The cooling mechanism comprises a first cooling pipe 12 and a second cooling pipe 13, the first cooling pipe 12 is arranged in the first cooling plate 2, the first cooling plate 2 is provided with a first water inlet and a first water outlet on two sides respectively, and the two ends of the first cooling pipe 12 are fixedly connected with the first water inlet and the first water outlet respectively; the second cooling pipe 13 is arranged in the second cooling plate 3 and the module 19, the second cooling plate 3 and the module 19 are integrated, the second cooling plate 3 is provided with a second water inlet and a second water outlet on two sides respectively, and the two ends of the second cooling pipe 13 are fixedly connected with the second water inlet and the second water outlet respectively.

[0050] The above technical scheme cools the mold after injection by water flowing in the first cooling pipe 12 and the second cooling pipe 13, and the principle of thermal expansion and contraction is used to prevent the side of the product from rubbing against the through hole of the first cooling plate 2, thereby improving the quality of the mold.

[0051] With reference to Figure 2 The top four corners of the second cooling plate 3 are fixedly connected with guide columns 10, four round holes are arranged on the first cooling plate 2, the guide columns 10 are located in the round holes, and the first cooling plate 2 is slidably connected with the four guide columns 10.

[0052] The above technical scheme can position the guide columns 10 when the guide columns 10 move on the first cooling plate 2 to prevent deviation.

[0053] With reference to Figures 4-13 The same buffer plate 5 is slidably connected to the inner walls on two sides of the base 4, the top four corners of the buffer plate 5 are fixedly connected with cylinders 16, the cylinders 16 are sleeved with springs 15, the top ends of the springs 15 are fixedly connected with the bottom of the second cooling plate 3, the bottom ends of the springs 15 are fixedly connected with the top of the buffer plate 5, four sliding holes are arranged on the top of the second cooling plate 3, the top ends of the four cylinders 16 are located in the sliding holes and are slidably connected, the top ends of the four cylinders 16 are threadedly connected with mold openers 18, the bottom of the first cooling plate 2 is provided with sockets, the plug ends of the mold openers 18 are inserted into the sockets, the top of the buffer plate 5 is fixedly connected with four moving columns 17, a moving plate 20 is sleeved on the module 19, the moving plate 20 is in the shape of a mouth, and the moving columns 17 penetrate through the top of the second cooling plate 3 and are fixedly connected with the bottom of the moving plate 20.

[0054] The movement of the first cooling plate 2 drives the movement of the mold openers 18, the movement of the mold openers 18 drives the movement of the cylinders 16, the movement of the cylinders 16 drives the movement of the buffer plate 5, the movement of the buffer plate 5 drives the movement of the moving columns 17, the movement of the moving columns 17 drives the movement of the moving plate 20, the zero-degree mold is kept on the upper mold assembly 8, and the buffer plate 5 can be reset through the spring 15.

[0055] With reference to Figure 2 and Figure 6The bottom four corners of the top plate 1 are fixedly connected with limiting rods 11, recesses are formed in the top four corners of the second cooling plate 3, convex holes are formed in the first cooling plate 2, and the other ends of the limiting rods 11 are located in the convex holes.

[0056] The above technical solution can limit the first cooling plate 2 through the limiting rods 11, so that the first cooling plate 2 cannot move at a certain position.

[0057] Referring to Figure 9 One side of the top plate 1 is provided with a safety buckle 23, and the safety buckle 23 is fixed on the top plate 1 through bolts.

[0058] The above technical solution can fix the safety buckle 23 on the upper die assembly 8 and the lower die assembly 9 through bolts when the upper die assembly 8 and the lower die assembly 9 need to be transported, so that the safety buckle 23 can prevent the upper die assembly 8 and the lower die assembly 9 from being opened during transportation, and the safety buckle 23 can be fixed on the upper die assembly 8 through bolts when the upper die assembly 8 and the lower die assembly 9 are used.

[0059] The working principle and use process of the technical solution are as follows: first, the upper die assembly 8 and the lower die assembly 9 are installed on an injection molding machine, the external airflow pipe is connected with the air pipe 6, the external cold water pipe is connected with the first cooling pipe 12 and the second cooling pipe 13, then the injection channel 14 is used for injection molding, the mold after injection molding is cooled through the water flowing in the first cooling pipe 12 and the second cooling pipe 13, the principle of thermal expansion and cold contraction is used to make the side surface of the product not rub against the through hole of the first cooling plate 2, the quality of the mold is improved, after cooling, the upper die assembly 8 and the lower die assembly 9 are pulled to two sides through the injection molding machine, so that the upper die assembly 8 and the lower die assembly 9 are separated, the first cooling plate 2 moves on the guide column 10 in the separation process, the movement of the first cooling plate 2 drives the movement of the mold opener 18, the movement of the mold opener 18 drives the movement of the cylinder 16, the movement of the cylinder 16 drives the movement of the buffer plate 5, the movement of the buffer plate 5 drives the movement of the moving column 17, the movement of the moving column 17 drives the movement of the moving plate 20, the zero-degree mold is kept on the upper die assembly 8, then the rubber plug on the mold opener 18 is separated from the socket of the first cooling plate 2, and then the mold is ejected through the air top 22, wherein the mold opener 18 is a resin opener.

[0060] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered in the protection scope of the present application; in the case of no conflict, the embodiments of the present application and the features in the embodiments can be combined with each other. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A zero-degree draft structure for a charger housing, characterized in that, include: The upper mold assembly (8) and the lower mold assembly (9) are provided. The upper mold assembly (8) is disposed on the lower mold assembly (9). The upper mold assembly (8) includes a top plate (1) and a first cooling plate (2). The first cooling plate (2) is disposed at the bottom of the top plate (1). The lower mold assembly (9) includes a second cooling plate (3) and a base (4). The bottom of the second cooling plate (3) is fixedly connected to the top of the base (4). An injection port is provided at the top of the top plate (1). A sprue sleeve (7) is fixedly connected inside the injection port. An injection molding compound is fixedly connected to the bottom of the sprue sleeve (7). Channel (14), the top of the glue injection channel (14) is fixedly connected with a glue hook needle, the first cooling plate (2) is provided with a through hole, the inner wall of the through hole is fixedly connected with an insert (21), the side of the insert (21) is provided with two air pipes (6), the bottom of the insert (21) is fixedly connected with two air tops (22), one end of the two air pipes (6) passes through one side of the insert (21) and is fixedly connected to the gas inlet of the air tops (22), the top of the second cooling plate (3) is concave, and the top of the second cooling plate (3) is fixedly connected with a module (19); A cooling mechanism is provided within a first cooling plate (2) and a second cooling plate (3) for cooling the mold. The cooling mechanism includes a first cooling pipe (12) and a second cooling pipe (13). The first cooling pipe (12) is located inside the first cooling plate (2). A first water inlet and a first water outlet are respectively provided on both sides of the first cooling plate (2). The two ends of the first cooling pipe (12) are fixedly connected to the first water inlet and the first water outlet, respectively. The second cooling pipe (13) is located within the second cooling plate (3) and the module (19). The second cooling plate (3) and the module (19) are an integral structure. A second water inlet and a second water outlet are respectively provided on both sides of the second cooling plate (3). The two ends of the second cooling pipe (13) are fixedly connected to the second water inlet and the second water outlet, respectively. The same buffer plate (5) is slidably connected to the inner walls of both sides of the base (4). A cylinder (16) is fixedly connected to the top four corners of the buffer plate (5). A spring (15) is sleeved on the cylinder (16). The top end of the spring (15) is fixedly connected to the bottom of the second cooling plate (3), and the bottom end of the spring (15) is fixedly connected to the top of the buffer plate (5). The top of the second cooling plate (3) has four sliding holes. The top ends of the four cylinders (16) are located in the sliding holes and are slidably connected. Next, the top of each of the four cylinders (16) is threaded with a mold opener (18). The bottom of the first cooling plate (2) is provided with an insertion port. The rubber plug end of the mold opener (18) is inserted into the insertion port. The top of the buffer plate (5) is fixedly connected with four movable columns (17). The module (19) is fitted with a movable plate (20). The movable plate (20) is U-shaped. The movable column (17) passes through the top of the second cooling plate (3) and is fixedly connected to the bottom of the movable plate (20).

2. The zero-degree draft structure for a charger housing according to claim 1, characterized in that, The top four corners of the second cooling plate (3) are fixedly connected with guide posts (10), and the first cooling plate (2) has four round holes. The guide posts (10) are located in the round holes, and the first cooling plate (2) is slidably connected to the four guide posts (10).

3. The zero-degree draft structure for a charger housing according to claim 1, characterized in that, The bottom four corners of the top plate (1) are fixedly connected with limit rods (11), the top four corners of the second cooling plate (3) are provided with grooves, the first cooling plate (2) is provided with convex holes, and the other end of the limit rod (11) is located in the convex hole.

4. The zero-degree draft structure for a charger housing according to claim 1, characterized in that, A safety buckle (23) is provided on one side of the top plate (1), and the safety buckle (23) is fixed to the top plate (1) by bolts.

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