Anti-deformation structure of plastic product injection mold

Abstract

The utility model relates to an anti-deformation structure of a plastic product injection mold, which comprises a movable mold and a fixed mold, and the movable mold is arranged on the fixed mold in a sliding manner; the water cooling pipe group is arranged in the fixed mold and comprises a plurality of U-shaped pipes; the air pumps are arranged on the two sides of the fixed mold; the air guide openings are slidably formed in the two sides of the fixed mold, the air guide openings blow air to the middle of the fixed mold through an air pump, the water cooling pipe set can effectively take away mold heat in the injection molding process through reasonable layout of a water inlet pipe, a connecting pipe, a U-shaped pipe and a water outlet pipe, preliminary cooling is achieved, the mold temperature is rapidly reduced, and the injection molding period is shortened; and through the air pump and the air guide opening, the air guide opening can be lifted and blow air to the middle of the mold after the mold is opened, heat dissipation is further accelerated, and overall heat dissipation of the mold is more uniform.

Description

TECHNICAL FIELD

[0001] The utility model belongs to mould technical field, concretely relates to plastic product injection mould anti -deformation structure. BACKGROUND

[0002] Injection mould is used to melt the plastic material injection to mould, after cooling solidification obtains the tool of required plastic product, injection mould usually is made of metal material such as steel or aluminium, and has the cavity and shape corresponding to the required plastic part.

[0003] In the use of injection mould, because of the cooling effect of injection material process is not good, product is still soft, and the deformation is easy to appear in the process of taking material, thereby influence injection work efficiency, therefore, we propose plastic product injection mould anti -deformation structure. INNOVATION CONTENT

[0004] The utility model discloses a plastic product injection mould anti -deformation structure of quick cooling just in order to solve the above -mentioned problem.

[0005] The utility model discloses the following technical scheme to realize the above -mentioned purpose:

[0006] Plastic product injection mould anti -deformation structure, including movable die and fixed die, the movable die slidingly arranged on the fixed die,

[0007] Still include:

[0008] Water cooling pipe group, the water cooling pipe group sets up in the fixed die, the water cooling pipe group includes a plurality of U-shaped tubes,

[0009] Air pump, the air pump sets up in the fixed die both sides,

[0010] Air outlet, the air outlet slidingly arranged in the fixed die both sides, makes the air outlet blow wind to the fixed die middle position through the air pump.

[0011] As the further optimization scheme of the utility model, the water cooling pipe group includes inlet pipe, the inlet pipe penetrates the fixed die side wall and extends to the fixed die, the inlet pipe below is provided with outlet pipe, the inlet pipe and outlet pipe are all provided with connecting pipe, and the both ends of the U-shaped tube are connected with different connecting pipes respectively.

[0012] As the further optimization scheme of the utility model, the U-shaped tube upper wall is close to the fixed die inner wall.

[0013] As the further optimization scheme of the utility model, the fixed die inner surface both sides are provided with mounting table, the mounting table is provided with spring, the mounting table is connected with the air outlet through the spring, and the air outlet and mounting table are provided with telescopic pipe.

[0014] As a further optimization of this utility model, the air pump is provided with a conduit, which penetrates the side wall of the fixed mold and extends into the fixed mold, and the conduit is connected to a telescopic tube.

[0015] As a further optimization of this utility model, the air guide is provided with an air outlet, which faces the center of the mold.

[0016] The beneficial effects of this utility model are as follows:

[0017] 1. Unlike existing technologies, in actual use, the water-cooling pipe assembly, through the reasonable layout of the inlet pipe, connecting pipe, U-shaped pipe and outlet pipe, can effectively remove heat from the mold during the injection molding process, achieve initial cooling, quickly reduce the mold temperature and shorten the injection molding cycle.

[0018] 2. Unlike existing technologies, in actual use, the air pump and air vents can raise the air vents and blow air towards the center of the mold after the mold is opened, further accelerating heat dissipation and making the overall heat dissipation of the mold more uniform. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0020] Figure 2 This is a schematic diagram of the moving mold lifting structure of this utility model;

[0021] Figure 3 This is a utility model Figure 2 Schematic diagram of the cross-sectional structure of the central mold along the LL direction;

[0022] Figure 4 This is a utility model Figure 3 Enlarged structural diagram at point A in the middle;

[0023] Figure 5 This is a schematic diagram of the water-cooled pipe assembly structure of this utility model.

[0024] In the diagram: 1. Moving mold; 11. Fixed mold; 2. Air pump; 21. Conduit; 3. Water cooling pipe assembly; 31. Water inlet pipe; 32. Water outlet pipe; 33. Connecting pipe; 34. U-shaped pipe; 4. Air vent; 41. Mounting platform; 42. Spring; 43. Telescopic pipe. Detailed Implementation

[0025] The present application will now be described in further detail with reference to the accompanying drawings. It should be noted that the following specific embodiments are only used to further illustrate the present application and should not be construed as limiting the scope of protection of the present application. Those skilled in the art can make some non-essential improvements and adjustments to the present application based on the above application content.

[0026] Example 1

[0027] As shown in Figure 1 - Figure 5 The plastic product injection mold anti-deformation structure, including the dynamic mode 1 and the fixed mode 11, the dynamic mode 1 is slidably arranged on the fixed mode 11;

[0028] Also includes:

[0029] Water cooling pipe group 3, water cooling pipe group 3 is arranged in the fixed mode 11, water cooling pipe group 3 includes a plurality of U-shaped pipe 34;

[0030] Air pump 2, air pump 2 is arranged on both sides of the fixed mode 11;

[0031] Air guide 4, air guide 4 is slidably arranged on both sides of the fixed mode 11, and the air guide 4 is blown to the middle position of the fixed mode 11 by the air pump 2.

[0032] Water cooling pipe group 3 includes water inlet pipe 31, water inlet pipe 31 penetrates the side wall of the fixed mode 11 and extends into the fixed mode 11, water outlet pipe 32 is arranged below the water inlet pipe 31, water inlet pipe 31 and water outlet pipe 32 are provided with connecting pipe 33, U-shaped pipe 34 is connected with different connecting pipe 33 at both ends respectively, water inlet pipe 31 and water outlet pipe 32 are connected with water cooling machine, which is not shown in the figure, water enters from water inlet pipe 31, flows into a plurality of U-shaped pipe 34 through connecting pipe 33, and then flows out from water outlet pipe 32 through connecting pipe 33 after circulating in U-shaped pipe 34, and carries away the heat of the mold.

[0033] The upper wall of the U-shaped pipe 34 is tightly attached to the inner wall of the fixed mode 11, and the cold water enters the first time through the connecting pipe 33 and enters the U-shaped pipe 34, and the water temperature in the fixed mode 11 is uniform through the plurality of U-shaped pipes 34.

[0034] The inner surface of the fixed mode 11 is provided with a mounting table 41, the mounting table 41 is provided with a spring 42, the mounting table 41 is connected with the air guide 4 through the spring 42, and the air guide 4 and the mounting table 41 are provided with a telescopic pipe 43, so that the air guide 4 can be connected with the pipe 21 at different heights, and the spring 42 is arranged to make the air guide 4 have a rebound force after being pressed and shrunk in the fixed mode 11.

[0035] The air pump 2 is provided with a pipe 21, the pipe 21 penetrates the side wall of the fixed mode 11 and extends into the fixed mode 11, and the pipe 21 is connected with the telescopic pipe 43.

[0036] The air guide 4 is provided with an air outlet, the air outlet is directed to the middle direction of the fixed mode 11, and under the action of air pressure, the air outlet of the air guide 4 is directed to the middle of the fixed mode 11, so that the air is blown to the mold, the heat dissipation is accelerated, and the overall heat dissipation of the mold is more uniform.

[0037] It should be noted that the plastic product injection mold anti-deformation structure, in the injection molding process, the water cooling pipe group 3 in the fixed mold 11 plays a cooling role, water enters from the water inlet pipe 31, flows into a plurality of U-shaped pipes 34 through the connecting pipe 33, and then flows out from the water outlet pipe 32 through the connecting pipe 33 after circulating in the U-shaped pipe 34, taking away the heat of the mold, realizing preliminary cooling, after the fixed mold 11 and the movable mold 1 are separated, the air outlet 4 originally connected with the mounting table 41 through the spring 42 and slidable is no longer extruded by the movable mold 1, and then rises, the air pump 2 on both sides of the fixed mold 11 is started, air is blown into the telescopic pipe 43 through the conduit 21, since the telescopic pipe 43 is connected with the air outlet 4, the air outlet of the air outlet 4 is opened towards the middle of the fixed mold 11 under the action of air pressure, so that air is blown to the mold, the heat dissipation of the mold is accelerated, the heat dissipation of the mold is more uniform, the deformation of the plastic product caused by local overheating or uneven heat dissipation is effectively prevented, and the deformation of the finished product in the demolding process is also effectively avoided.

[0038] The above-described embodiments only express several embodiments of the present application, and the description is more specific and detailed, but it cannot be understood as limiting the scope of the present application. It should be noted that for ordinary skilled persons in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which belong to the protection scope of the present application.

Claims

1. A deformation-resistant structure for injection molds of plastic products, comprising a moving mold (1) and a fixed mold (11), characterized in that: The moving mold (1) is slidably disposed on the fixed mold (11); It also includes: Water-cooled pipe assembly (3), the water-cooled pipe assembly (3) is set in the fixed mold (11), the water-cooled pipe assembly (3) includes a plurality of U-shaped pipes (34); Air pump (2), the air pump (2) is arranged on both sides of the fixed mold (11); Air vents (4) are slidably disposed on both sides of the fixed mold (11). Air vents (4) are blown towards the middle of the fixed mold (11) by air pump (2).

2. The anti-deformation structure for injection molds of plastic products according to claim 1, characterized in that: The water-cooled pipe assembly (3) includes an inlet pipe (31), which penetrates the side wall of the fixed mold (11) and extends into the fixed mold (11). An outlet pipe (32) is provided below the inlet pipe (31). Both the inlet pipe (31) and the outlet pipe (32) are provided with connecting pipes (33). The two ends of the U-shaped pipe (34) are respectively connected to different connecting pipes (33).

3. The anti-deformation structure for injection molds of plastic products according to claim 2, characterized in that: The upper wall of the U-shaped tube (34) is tightly attached to the inner wall of the fixed mold (11).

4. The anti-deformation structure for injection molds of plastic products according to claim 1, characterized in that: Mounting platforms (41) are provided on both sides of the inner surface of the fixed mold (11). Springs (42) are provided on the mounting platforms (41). The mounting platforms (41) are connected to the air duct (4) through the springs (42). A telescopic tube (43) is provided between the air duct (4) and the mounting platforms (41).

5. The anti-deformation structure for injection molds of plastic products according to claim 4, characterized in that: The air pump (2) is provided with a conduit (21), which penetrates the side wall of the fixed mold (11) and extends into the fixed mold (11). The conduit (21) is connected to the telescopic tube (43).

6. The anti-deformation structure for injection molds of plastic products according to claim 1, characterized in that: The air guide (4) has an air outlet, which faces the middle of the mold (11).

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