Injection mold convenient to exhaust

Abstract

The utility model discloses an injection mold convenient to exhaust, which relates to the technical field of injection molds and comprises a support table, a support plate is mounted at the top of the support table, a telescopic rod is mounted on the inner side of the support plate in a penetrating manner, a movable mold component is mounted at one end of the telescopic rod, and a fixed plate is mounted at the top of the support table. And a fixed mold assembly is installed at the top of the fixed plate and comprises a fixed mold installed at the top of the supporting table, and a shaping groove is formed in the inner wall of one side of the fixed mold. According to the utility model, the exhaust cavity and the butt joint port at one end of the material injection pipe are connected with an injection molding machine, and are fastened through the connecting bolt, so that the stability of the structure is ensured, injected materials are conveyed to the inner sides of the fixed mold and the movable mold through the material injection pipe and are molded through the molding groove, and in the plastic injection process, air is guided to be output through the exhaust cavity; plastic injection is facilitated, the situation that a product is vacant is avoided, and air is exhausted through an air outlet.

Description

Technical Field

[0001] The utility model relates to the technical field of injection molds, in particular to an injection mold which is convenient for exhausting. Background Art

[0002] An injection mold is a tool for producing plastic products; it is also a tool that gives plastic products a complete structure and precise dimensions. Injection molding is a processing method used in mass production of certain parts with complex shapes. Specifically, it refers to the process of injecting heated and molten plastic into the mold cavity under high pressure by an injection molding machine, and obtaining a molded product after cooling and solidification.

[0003] Patent document CN210758944U, "A stable injection mold, including a mold body, the mold body includes an upper mold and a lower mold, and also includes a bottom plate, a mounting block is fixed to the bottom surface of the lower mold, a mounting groove is opened on the top surface of the bottom plate, two symmetrically distributed clamping blocks are arranged in the mounting groove, and a driving component is also installed in the mounting groove; a left side plate is installed on the left side of the top surface of the bottom plate, a movable top plate is movably installed above the surface of the left side plate, and a hydraulic cylinder is also installed on the surface of the left side plate."

[0004] The interior of the existing injection mold lacks a structure to assist the user in performing exhaust. When the raw material is injected into the interior of the mold, vacancies in the plastic occur due to the closed structure. Utility Model Content

[0005] The purpose of the utility model is to provide an injection mold that is easy to exhaust, so as to solve the technical problems in the prior art that the dust cover of the riding helmet lacks a storage structure inside, which makes it convenient for users to store items and the goggles are inconvenient for users to disassemble.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an injection mold for venting, comprising a support platform, a support plate is installed on the top of the support platform, a telescopic rod is installed through the inner side of the support plate, a movable mold assembly is installed at one end of the telescopic rod, a fixed plate is installed on the top of the support platform, a fixed mold assembly is installed on the top of the fixed plate, the fixed mold assembly includes a fixed mold installed on the top of the support platform, and a shaping groove is opened on one side inner wall of the fixed mold;

[0007] The movable mold assembly includes a movable mold connected to one end of the telescopic rod, and a second group of shaping grooves are provided on the movable mold opposite to the fixed mold. The shaping grooves on the fixed mold are connected to the shaping grooves on the movable mold. Exhaust cavities are provided at the top and front and rear ends of the shaping grooves. The exhaust cavity is provided on the inner walls of the movable mold and the fixed mold, and an air outlet is installed at one end of the exhaust cavity.

[0008] Preferably, a guide rod is installed on one side of the fixed mold.

[0009] Preferably, a guide tube is installed on the inner side of the movable mold, and the guide tube is sleeved on the inner side of the guide rod.

[0010] Preferably, a through opening is opened on the inner side of the support platform, and the through opening is located between the support plate and the fixing plate.

[0011] Preferably, heat dissipation openings are provided inside the fixed mold and the movable mold.

[0012] Preferably, an injection tube is installed inside the fixed mold, and a docking port is installed at one end of the injection tube.

[0013] Preferably, connecting bolts are installed on the inner side of the docking port.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. The utility model is equipped with an exhaust cavity, and one end of the injection pipe is connected to the injection molding machine through the interface, and is fastened by connecting bolts to ensure the stability of the structure. The injection material is transmitted to the inner side of the fixed mold and the movable mold through the injection pipe, and is shaped through the shaping groove. During the plastic injection process, the air output is guided through the exhaust cavity to facilitate the plastic injection and avoid the situation where the product has vacancies. The air outlet discharges the air;

[0016] 2. The utility model is provided with a guide rod, the fixed mold is fixed to the guide rod, one end of the guide rod is fixedly connected to the support plate, the movable mold is fixed to the inner guide tube, the guide tube is sleeved on the outer side of the guide rod, the guide rod guides the movement of the guide tube to ensure the smooth movement of the movable mold, and the movable mold and the fixed mold are accurately closed by the traction of the guide rod, thereby improving the quality of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0018] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the fixed mold structure of the utility model;

[0020] Figure 4 This is a schematic diagram of the injection pipe structure of the utility model.

[0021] In the figure: 1. Support platform; 2. Through-hole; 3. Support plate; 4. Telescopic rod; 5. Guide rod; 6. Fixed plate; 7. Fixed mold; 8. Shaping groove; 9. Heat dissipation port; 10. Docking port; 11. Movable mold; 12. Guide pipe; 13. Exhaust cavity; 14. Air outlet; 15. Injection pipe. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0024] See also Figure 1 , Figure 2 , Figure 3 and Figure 4 The utility model provides an embodiment: an injection mold for venting, comprising a support platform 1, a support plate 3 is installed on the top of the support platform 1, a telescopic rod 4 is installed through the inner side of the support plate 3, a movable mold assembly is installed at one end of the telescopic rod 4, a fixed plate 6 is installed on the top of the support platform 1, a fixed mold assembly is installed on the top of the fixed plate 6, the fixed mold assembly comprises a fixed mold 7 installed on the top of the support platform 1, and a shaping groove 8 is opened on one side inner wall of the fixed mold 7;

[0025] The support platform 1 fixes the top support plate 3 to ensure the stability of the support plate 3. The support plate 3 fixes the inner telescopic rod 4. One end of the telescopic rod 4 is connected to the movable mold assembly. The mold is opened and closed by moving the movable mold assembly. The support platform 1 fixes the top fixed plate 6 to facilitate the fixed plate 6 to fix the top fixed mold assembly.

[0026] The movable mold assembly includes a movable mold 11 connected to one end of the telescopic rod 4, and a second group of shaping grooves 8 are provided on the movable mold 11 opposite to the fixed mold 7. The shaping grooves 8 on the fixed mold 7 are butted with the shaping grooves 8 on the movable mold 11. An exhaust cavity 13 is provided at the top and the front and rear ends of the shaping grooves 8. The exhaust cavity 13 is provided on the inner walls of the movable mold 11 and the fixed mold 7, and an air outlet 14 is installed at one end of the exhaust cavity 13.

[0027] The fixed mold 7 and the movable mold 11 are closed together, and the movable mold 11 is closed together with the shaping groove 8 on the inner side of the fixed mold 7. The raw material is shaped through the shaping groove 8. After the telescopic rod 4 is shortened, the movable mold 11 and the fixed mold 7 are separated, so that the user can take out the product from the inner side of the shaping groove 8 conveniently.

[0028] A guide rod 5 is installed on one side of the fixed mold 7, and a guide tube 12 is installed on the inner side of the movable mold 11, and the guide tube 12 is sleeved on the inner side of the guide rod 5;

[0029] The fixed mold 7 fixes the guide rod 5, one end of the guide rod 5 is fixedly connected to the support plate 3, the movable mold 11 fixes the inner guide tube 12, the guide tube 12 is sleeved on the outer side of the guide rod 5, the guide rod 5 guides the movement of the guide tube 12 to ensure the smooth movement of the movable mold 11, and the movable mold 11 and the fixed mold 7 are accurately closed through the traction of the guide rod 5 to improve the quality of the product.

[0030] A through opening 2 is formed on the inner side of the support platform 1 , and the through opening 2 is located between the support plate 3 and the fixing plate 6 .

[0031] The fixed mold 7 and the movable mold 11 are provided with heat dissipation openings 9 inside, and the heat dissipation openings 9 are provided at the heat dissipation openings 9 to facilitate the heat dissipation from the inside of the heat dissipation openings 9 and accelerate the heat dissipation speed of the plastic.

[0032] An injection pipe 15 is installed inside the fixed mold 7, a docking port 10 is installed at one end of the injection pipe 15, and a connecting bolt is installed inside the docking port 10;

[0033] One end of the injection tube 15 is connected to the interface 10 and the injection molding machine and is fastened by connecting bolts to ensure the stability of the structure. The injection material is transmitted to the inner side of the fixed mold 7 and the movable mold 11 through the injection tube 15 and is shaped through the shaping groove 8. During the plastic injection process, the air output is guided through the exhaust cavity 13 to facilitate the plastic injection and avoid the situation where there are vacancies in the product. The air outlet 14 discharges the air.

[0034] Working principle: the fixed mold 7 and the movable mold 11 are closed together, the movable mold 11 is closed together with the shaping groove 8 on the inner side of the fixed mold 7, the fixed mold 7 is fixed to the guide rod 5, one end of the guide rod 5 is fixedly connected to the support plate 3, the movable mold 11 is fixed to the inner guide tube 12, the guide tube 12 is sleeved on the outer side of the guide rod 5, the guide rod 5 guides the guide tube 12 to move, and ensures the smooth movement of the movable mold 11, and the movable mold 11 and the fixed mold 7 are accurately closed by the traction of the guide rod 5 to improve the quality of the product, one end of the injection tube 15 is connected to the interface 10 with the injection molding machine, and is fastened by connecting bolts to ensure the stability of the structure, the injection material is transmitted to the inner side of the fixed mold 7 and the movable mold 11 through the injection tube 15, and is shaped through the shaping groove 8. In the process of plastic injection, the air output is guided through the exhaust cavity 13 to facilitate plastic injection and avoid vacancies in the product. The air outlet 14 discharges the vacancies, and the heat dissipation port 9 is opened at the heat dissipation port 9 to facilitate the discharge of heat from the inside of the heat dissipation port 9 and accelerate the heat dissipation speed of the plastic.

[0035] It is obvious 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 basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention, and any figure mark in the claims should not be regarded as limiting the claims involved.

Claims

1. An injection mold that facilitates exhaust, characterized in that: The invention comprises a support platform (1), a support plate (3) is installed on the top of the support platform (1), a telescopic rod (4) is installed through the inner side of the support plate (3), a movable mold assembly is installed on one end of the telescopic rod (4), a fixed plate (6) is installed on the top of the support platform (1), a fixed mold assembly is installed on the top of the fixed plate (6), the fixed mold assembly comprises a fixed mold (7) installed on the top of the support platform (1), and a shaping groove (8) is opened on the inner wall of one side of the fixed mold (7); The movable mold assembly comprises a movable mold (11) connected to one end of the telescopic rod (4); a second group of shaping grooves (8) are provided on the surface of the movable mold (11) opposite to the fixed mold (7); the shaping grooves (8) on the fixed mold (7) and the shaping grooves (8) on the movable mold (11) are butted against each other; an exhaust cavity (13) is provided at the top and front and rear ends of the shaping grooves (8); the exhaust cavity (13) is provided on the inner walls of the movable mold (11) and the fixed mold (7); and an exhaust port (14) is installed at one end of the exhaust cavity (13).

2. The injection mold for venting according to claim 1, characterized in that: A guide rod (5) is installed on one side of the fixed mold (7).

3. The injection mold for venting according to claim 2, characterized in that: A guide tube (12) is installed on the inner side of the movable mold (11), and the guide tube (12) is sleeved on the inner side of the guide rod (5).

4. The injection mold for venting according to claim 1, characterized in that: A through opening (2) is provided on the inner side of the support platform (1), and the through opening (2) is located between the support plate (3) and the fixing plate (6).

5. The injection mold for venting according to claim 4, characterized in that: Heat dissipation openings (9) are provided inside the fixed mold (7) and the movable mold (11).

6. The injection mold for venting according to claim 4, characterized in that: An injection pipe (15) is installed inside the fixed mold (7), and a docking port (10) is installed at one end of the injection pipe (15).

7. The injection mold for venting according to claim 6, characterized in that: Connecting bolts are installed on the inner side of the docking port (10).

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