Injection mold easy to dissipate heat
By designing uniform heat dissipation channels and pore systems in the injection mold, the problem of insufficient heat dissipation of existing injection molds is solved, and fast and uniform mold temperature control is achieved, and production efficiency and product quality are improved.
Patent Information
- Application Number
- CN202421767417.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-25
- Publication Date
- 2025-05-02
- Estimated Expiration
- 2034-07-25
AI Technical Summary
The existing injection molds have shortcomings in heat dissipation, which leads to prolonging production cycles and affects production efficiency.
An injection mold including a moving mold and a fixed mold is designed. The fixed mold and the moving mold are each equipped with uniform heat dissipation channels and are connected to the water-cooled heat dissipation device. A uniformly distributed air hole is provided on the moving mold for blowing the cold air to accelerate the cooling.
It realizes an efficient and active heat dissipation system, quickly and evenly controls mold temperature, improves production efficiency, reduces production costs, and improves product quality.
Smart Images
Figure CN222819452U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of injection molds, in particular to an injection mold which is easy to dissipate heat. Background Art
[0002] In the process of plastic injection molding, mold temperature control is one of the key factors affecting product quality and production efficiency. Appropriate mold temperature can not only improve the surface quality of plastic parts, but also shorten the molding cycle and improve production efficiency. However, existing injection molds have some shortcomings in heat dissipation: traditional injection molds usually use passive heat dissipation methods, such as natural cooling or simple water cooling systems. These methods often cannot quickly and effectively discharge the heat accumulated inside the mold, resulting in extended production cycles and affecting production efficiency. Utility Model Content
[0003] The utility model is based on the above technical problems and proposes an injection mold which is easy to dissipate heat.
[0004] An injection mold that is easy to dissipate heat, comprising: a movable mold and a fixed mold, wherein a fixed mold cavity is provided in the fixed mold, and an injection port is provided at the rear side of the fixed mold cavity; a mold convex block is provided on the movable mold, and a movable mold cavity is provided in the mold convex block; when the movable mold and the fixed mold are molded together, the mold convex block will be inserted into the fixed mold cavity, and the movable mold cavity and the fixed mold cavity are combined to form a mold cavity; a plurality of uniformly arranged fixed mold heat dissipation channels are provided in the fixed mold around the fixed mold cavity, and a plurality of uniformly arranged movable mold heat dissipation channels are provided in the movable mold around the movable mold cavity; the fixed mold heat dissipation channels and the movable mold heat dissipation channels are connected to a water-cooled heat dissipation device, and uniformly distributed air holes are also provided on the movable mold, and the air holes are connected to an air supply channel at the rear of the movable mold.
[0005] Preferably, the fixed mold heat dissipation channel and the movable mold heat dissipation channel are both heat dissipation pipes, and the outer ends of the heat dissipation pipes are respectively connected to the fixed mold inlet and outlet on the side of the fixed mold and the movable mold inlet and outlet on the rear side of the movable mold.
[0006] Preferably, the end of the air hole is a trumpet-shaped diffusion port.
[0007] Preferably, a top block is provided at the bottom of the fixed mold cavity, and the top block matches the end of the air hole and can close the air hole.
[0008] Beneficial effects: The mold should have an efficient and active heat dissipation system. Refrigerant flows in the heat dissipation channel to cool the cavity. The air holes can blow cold air into the fixed model cavity after demolding to accelerate the cooling efficiency of the inner surface of the fixed model cavity. It can achieve fast and uniform mold temperature control while keeping the structure simple and easy to maintain. It can effectively reduce production costs and improve product quality and production efficiency under the premise of energy saving and environmental protection. BRIEF DESCRIPTION OF THE DRAWINGS
[0009] Figure 1 Shows a schematic diagram of the structure of the utility model;
[0010] Figure 2 The internal structure of the utility model is shown Figure 1 ;
[0011] Figure 3 The internal structure of the utility model is shown Figure 2 . DETAILED DESCRIPTION
[0012] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.
[0013] like Figure 1~Figure 3 The injection mold shown is easy to dissipate heat, comprising: a movable mold 1, a fixed mold 2, a fixed mold 3 is provided in the fixed mold 2, and an injection port 4 is provided on the rear side of the fixed mold cavity 3; a mold convex block 5 is provided on the movable mold 1, and a movable mold cavity 6 is provided in the mold convex block 5. When the movable mold 1 and the fixed mold 2 are molded together, the mold convex block 5 will be inserted into the fixed mold cavity 3, and the movable mold cavity 6 and the fixed mold cavity 3 are combined to form a mold cavity. The injection molding machine injects liquid base material into the mold cavity through the injection port 4. A uniformly arranged fixed mold heat dissipation channel 7 is arranged around the fixed mold cavity 3 in the fixed mold 2, and a uniformly arranged movable mold heat dissipation channel 8 is arranged around the movable mold cavity 6 in the movable mold 1. The fixed mold heat dissipation channel 7 and the movable mold heat dissipation channel 8 are connected to a water-cooled heat dissipation device, and the fixed mold heat dissipation channel 7 and the movable mold heat dissipation channel 8 are both heat dissipation pipes, and their outer ends are respectively connected to a fixed mold inlet and outlet 9 on the side of the fixed mold 2 and a movable mold inlet and outlet 10 on the rear side of the movable mold 1.
[0014] The movable mold 1 is also provided with evenly distributed air holes 11, which are connected to the air supply channel 12 at the rear of the movable mold 1. The ends of the air holes 11 are trumpet-shaped diffusers. A top block 13 is provided at the bottom of the fixed mold cavity 3. The top block 13 matches the ends of the air holes 11 and can close the air holes 11.
[0015] When the fixed mold 2 and the movable mold 1 are closed, the air hole 11 will be closed by the top block, and the base material will fill the mold cavity. After cooling and shaping, the movable mold 1 is separated from the fixed mold 2. After separation for a distance, the air hole 11 sprays cold air to quickly cool down the fixed mold cavity 3.
[0016] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.
Claims
1. An injection mold that is easy to dissipate heat, comprising: A movable mold and a fixed mold, wherein a fixed mold cavity is provided in the fixed mold, and an injection port is provided at the rear side of the fixed mold cavity; a mold convex block is provided on the movable mold, and a movable mold cavity is provided in the mold convex block; when the movable mold and the fixed mold are molded together, the mold convex block will be inserted into the fixed mold cavity, and the movable mold cavity and the fixed mold cavity are combined to form a mold cavity, characterized in that a plurality of uniformly arranged fixed mold heat dissipation channels are arranged around the fixed mold cavity in the fixed mold, and a plurality of uniformly arranged movable mold heat dissipation channels are arranged around the movable mold cavity in the movable mold, the fixed mold heat dissipation channels and the movable mold heat dissipation channels are connected to a water-cooled heat dissipation device, and uniformly distributed air holes are also arranged on the movable mold, and the air holes are connected to the air supply channel at the rear of the movable mold.
2. The injection mold for easy heat dissipation according to claim 1, characterized in that: The fixed mold heat dissipation channel and the movable mold heat dissipation channel are both heat dissipation pipes, and the outer ends of the heat dissipation pipes are respectively connected with the fixed mold inlet and outlet on the side of the fixed mold and the movable mold inlet and outlet on the rear side of the movable mold.
3. The injection mold for easy heat dissipation according to claim 1, characterized in that: The end of the air hole is a trumpet-shaped diffusion port.
4. The injection mold for easy heat dissipation according to claim 1, characterized in that: A top block is provided at the bottom of the fixed mold cavity, and the top block matches the end of the air hole and can close the air hole.