Forming equipment for fire-resistant silicone rubber
By using alternating switching of heating and cooling components in the refractory silicone rubber molding equipment, the problem of low melt solidification efficiency caused by residual heat in the hot runner is solved, and efficient molding of the melt is achieved.
Patent Information
- Application Number
- CN202421117616.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-22
- Publication Date
- 2025-01-14
- Estimated Expiration
- 2034-05-22
AI Technical Summary
In the existing molding die, the residual heat inside the hot runner during the melt injection process reduces the melt solidification efficiency.
A molding device for refractory silicone rubber was designed, which uses alternating heating and cooling components. By switching between the heating frame and the cooling frame between the fixed mold, the continuous heating and cooling of the melt is achieved, ensuring that the melt does not solidify and has a suitable viscosity during the injection process.
It improves the efficiency of rubber molding, ensures that the melt maintains a suitable viscosity during the injection process, and enables rapid cooling and molding.
Smart Images
Figure CN222346093U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of molding dies, in particular to molding equipment for fire-resistant silicone rubber. Background Art
[0002] A molding die, also known as a mold, is a mold made in proportion to the shape and structure of an actual object. It is a tool that uses pressing or pouring to make the material into a certain shape.
[0003] In order to ensure that the melt does not solidify and has a moderate viscosity during the injection process, the existing molding mold is provided with a hot runner inside the mold and wrapped with a heating tube for heating. Due to the residual heat inside the hot runner during the molding process, the efficiency of melt solidification molding will be reduced.
[0004] Therefore, it is necessary to propose a molding device for fire-resistant silicone rubber to solve the above problems. Utility Model Content
[0005] The utility model aims to provide a molding device for fire-resistant silicone rubber, so as to solve the problem that residual heat exists inside the hot runner during the molding process, which reduces the efficiency of melt solidification molding.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a molding device for fire-resistant silicone rubber, comprising an operating table, a first fixed mold is fixedly connected to one end of the upper surface of the operating table, and a second fixed mold is fixedly connected to the other end of the upper surface of the operating table, a first cavity is formed on the upper surface of the first fixed mold, a first annular groove is formed inside the first fixed mold, the first annular groove is in a U-shaped structure, the first annular groove surrounds the outer side of the first cavity, a first square groove is formed on the lower surface of the first fixed mold, the first square groove is connected to the first annular groove, a second cavity is formed on the upper surface of the second fixed mold, a second annular groove is formed inside the second fixed mold, the second annular groove is in a U-shaped structure, the second annular groove surrounds the outer side of the second cavity, a second square groove is formed on the lower surface of the second fixed mold, the second square groove is connected to the second annular groove, a heating component is arranged inside the first annular groove, a cooling component is arranged inside the second square groove, and a switching component for switching between the heating component and the cooling component is arranged on the operating table.
[0007] Preferably, the heating assembly includes a heating frame, a heat flow chamber and a first support plate, the heating frame and the heat flow chamber are both in a U-shaped structure, the heating frame is slidably connected to the inside of the first annular groove, the heat flow chamber is opened in the heating frame, the first support plate is slidably connected to the inside of the first square groove, and the first support plate is fixedly connected to the bottom of the heating frame.
[0008] Preferably, the cooling assembly includes a cooling frame, a cold flow cavity and a second support plate, the cooling frame and the cold flow cavity are both in a U-shaped structure, the cooling frame is slidably connected to the inside of the second annular groove, the cold flow cavity is opened inside the cooling frame, the second support plate is slidably connected to the inside of the second square groove, and the second support plate is fixedly connected to the bottom of the cooling frame.
[0009] Preferably, a first square opening and a second square opening are provided inside the operating table, the first square opening is distributed correspondingly to the first square groove, and the second square opening is distributed correspondingly to the second square groove.
[0010] Preferably, the switching assembly includes a rotating shaft, a rotating plate, a first electric push rod, a second electric push rod and a motor, the rotating shaft is rotatably connected to the bottom of the operating table, the rotating shaft is located between the first fixed mold and the second fixed mold, the rotating plate is fixedly connected to the bottom of the rotating shaft, the first electric push rod is fixedly connected to one end of the lower surface of the rotating plate, a circular hole is provided on the rotating plate for the telescopic end of the first electric push rod to pass through, the first support plate is fixedly connected to the telescopic end of the first electric push rod, the second electric push rod is fixedly connected to the other end of the lower surface of the rotating plate, a circular hole is provided on the rotating plate for the telescopic end of the second electric push rod to pass through, and the second support plate is fixedly connected to the telescopic end of the second electric push rod.
[0011] Technical effects and advantages of the utility model:
[0012] 1. The injection of the melt into the first cavity is completed, and the melt in the second cavity is cooled and formed. Start the first electric push rod and the second electric push rod. The first electric push rod pulls the heating frame out of the first ring groove through the first support plate, and the second electric push rod pulls the cooling frame out of the second ring groove through the second support plate. Then start the motor, and the motor drives the rotating plate to rotate 180° through the rotating shaft. Start the first electric push rod and the second electric push rod again. The first electric push rod pushes the heating frame into the second ring groove through the first support plate, and the melt is re-injected into the second cavity, while the second electric push rod pushes the cooling frame into the first ring groove through the second support plate. The first cavity is cooled and formed, thereby realizing the continuous operation of the first fixed mold and the second fixed mold, and improving the efficiency of rubber molding. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 The utility model is a structural schematic diagram of a molding device for fire-resistant silicone rubber from one perspective.
[0014] Figure 2 This is a schematic structural diagram of another viewing angle of the molding equipment for fire-resistant silicone rubber of the utility model.
[0015] Figure 3 It is a schematic diagram of the structure of the operating table, heating frame and cooling frame of the utility model.
[0016] Figure 4 It is a schematic diagram of the structure of the operating table, the first fixed mold and the second fixed mold of the utility model.
[0017] Figure 5 For this utility model Figure 4 Enlarged structural diagram at A in the middle.
[0018] Figure 6 For this utility model Figure 4 Enlarged structural diagram at B in the middle.
[0019] In the figure: 1. operating table; 2. first fixed mold; 3. second fixed mold; 4. first cavity; 5. second cavity; 6. first annular groove; 7. second annular groove; 8. heating frame; 9. hot flow cavity; 10. first support plate; 11. cooling frame; 12. cold flow cavity; 13. second support plate; 14. rotating shaft; 15. rotating plate; 16. first electric push rod; 17. second electric push rod; 18. motor; 19. first square opening; 20. second square opening; 21. first square groove; 22. second square groove. DETAILED DESCRIPTION
[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.
[0021] The utility model provides Figure 1-Figure 6The molding equipment for fire-resistant silicone rubber shown in the figure includes an operating table 1, and support columns are fixedly arranged at the four corners of the lower surface of the operating table 1. A first fixed mold 2 is fixedly connected to one end of the upper surface of the operating table 1, and a second fixed mold 3 is fixedly connected to the other end of the upper surface of the operating table 1. When used specifically, the first fixed mold 2 and the second fixed mold 3 are alternately matched with a heating component or a cooling component to improve the efficiency of rubber molding. A first cavity 4 is provided on the upper surface of the first fixed mold 2, and the interior of the first cavity 4 is used for injection molding. A first annular groove 6 is provided inside the first fixed mold 2, and the first annular groove 6 is a square structure, and the first annular groove 6 surrounds the outer side of the first cavity 4. A first square groove 21 is provided on the lower surface of the first fixed mold 2, and the first square groove 21 is connected to the first annular groove 6. A second cavity 5 is provided on the upper surface of the second fixed mold 3, and the interior of the second cavity 5 is used for injection molding. The second fixed mold 3 has a second annular groove 7 formed inside, and the second annular groove 7 is in a square shape. The second annular groove 7 surrounds the outer side of the second cavity 5. The lower surface of the second fixed mold 3 has a second square groove 22 formed, and the second square groove 22 is connected to the second annular groove 7. The first annular groove 6 has a heating component provided inside. When the heating component cooperates with the first cavity 4, the first cavity 4 is kept at a high temperature, and the melt is not solidified and has a moderate viscosity during the injection process; and when it cooperates with the second cavity 5, the second cavity 5 is kept at a high temperature, and the melt is not solidified and has a moderate viscosity during the injection process. The second square groove 22 has a cooling component provided inside. When the cooling component cooperates with the first cavity 4, the melt inside the first cavity 4 is quickly cooled and formed; and when it cooperates with the second cavity 5, the melt inside the second cavity 5 is quickly cooled and formed. The operating table 1 is provided with a switching component for switching the heating component and the cooling component. The switching component switches the heating component and the cooling molding to improve the efficiency of rubber molding.
[0022] In the specific configuration, the heating assembly includes a heating frame 8, a heat flow cavity 9 and a first support plate 10. The heating frame 8 and the heat flow cavity 9 are both in a square shape, the heating frame 8 is slidably connected to the inside of the first annular groove 6, and the heat flow cavity 9 is opened inside the heating frame 8. A heating plate (not shown in the figure) is arranged inside the heat flow cavity 9, so that the inside of the heat flow cavity 9 is in a high temperature state. The first support plate 10 is slidably connected to the inside of the first square groove 21, and the first support plate 10 is fixedly connected to the bottom of the heating frame 8.
[0023] In the specific configuration, the cooling assembly includes a cooling frame 11, a cold flow cavity 12, and a second support plate 13. The cooling frame 11 and the cold flow cavity 12 are both in a square shape. The cooling frame 11 is slidably connected to the inside of the second annular groove 7, and the cold flow cavity 12 is opened inside the cooling frame 11. A condensation plate (not shown in the figure) is arranged inside the cold flow cavity 12, so that the inside of the cold flow cavity 12 is in a low temperature state. The second support plate 13 is slidably connected to the inside of the second square groove 22, and the second support plate 13 is fixedly connected to the bottom of the cooling frame 11.
[0024] A first square opening 19 and a second square opening 20 are formed inside the operating table 1 . The first square opening 19 is corresponding to the first square groove 21 , and the second square opening 20 is corresponding to the second square groove 22 .
[0025] In the specific configuration, the switching assembly includes a rotating shaft 14, a rotating plate 15, a first electric push rod 16, a second electric push rod 17 and a motor 18. The rotating shaft 14 is rotatably connected to the bottom of the operating table 1, and the rotating shaft 14 is located between the first fixed mold 2 and the second fixed mold 3. The rotating plate 15 is fixedly connected to the bottom of the rotating shaft 14, the first electric push rod 16 is fixedly connected to one end of the lower surface of the rotating plate 15, a circular hole is provided on the rotating plate 15 for the telescopic end of the first electric push rod 16 to pass through, and the first support plate 10 is fixedly connected to the telescopic end of the first electric push rod 16. The second electric push rod 17 is fixedly connected to the other end of the lower surface of the rotating plate 15, a circular hole is provided on the rotating plate 15 for the telescopic end of the second electric push rod 17 to pass through, and the second support plate 13 is fixedly connected to the telescopic end of the second electric push rod 17.
[0026] During operation, the melt injection into the first cavity 4 is completed, and the melt into the second cavity 5 is cooled and formed. The first electric push rod 16 and the second electric push rod 17 are started, and the first electric push rod 16 draws the heating frame 8 out of the first annular groove 6 through the first support plate 10, and the second electric push rod 17 draws the cooling frame 11 out of the second annular groove 7 through the second support plate 13. Then the motor 18 is started, and the motor 18 drives the rotating plate 15 to rotate 180° through the rotating shaft 14. The first electric push rod 16 and the second electric push rod 17 are started again, and the first electric push rod 16 pushes the heating frame 8 into the second annular groove 7 through the first support plate 10, and the melt is re-injected into the second cavity 5, and the second electric push rod 17 pushes the cooling frame 11 into the first annular groove 6 through the second support plate 13, and the first cavity 4 is cooled and formed, thereby realizing the continuous operation of the first fixed mold 2 and the second fixed mold 3, and improving the efficiency of rubber molding.
Claims
1. A molding device for fire-resistant silicone rubber, comprising an operating table (1), characterized in that: One end of the upper surface of the operating table (1) is fixedly connected to a first fixed mold (2), and the other end of the upper surface of the operating table (1) is fixedly connected to a second fixed mold (3). A first cavity (4) is provided on the upper surface of the first fixed mold (2), and a first annular groove (6) is provided inside the first fixed mold (2). The first annular groove (6) is in a square shape and surrounds the outer side of the first cavity (4). A first square groove (21) is provided on the lower surface of the first fixed mold (2), and the first square groove (21) is connected to the first annular groove (6). The second fixed mold ( A second cavity (5) is provided on the upper surface of the second fixed mold (3), a second annular groove (7) is provided inside the second fixed mold (3), the second annular groove (7) is in a U-shaped structure, the second annular groove (7) surrounds the outer side of the second cavity (5), a second square groove (22) is provided on the lower surface of the second fixed mold (3), the second square groove (22) is connected to the second annular groove (7), a heating component is provided inside the first annular groove (6), a cooling component is provided inside the second square groove (22), and a switching component for switching between the heating component and the cooling component is provided on the operating table (1).
2. A molding device for fire-resistant silicone rubber according to claim 1, characterized in that: The heating assembly comprises a heating frame (8), a heat flow chamber (9) and a first support plate (10); the heating frame (8) and the heat flow chamber (9) are both in a U-shaped structure; the heating frame (8) is slidably connected to the inside of the first annular groove (6); the heat flow chamber (9) is opened inside the heating frame (8); the first support plate (10) is slidably connected to the inside of the first square groove (21); and the first support plate (10) is fixedly connected to the bottom of the heating frame (8).
3. A molding device for fire-resistant silicone rubber according to claim 2, characterized in that: The cooling assembly comprises a cooling frame (11), a cold flow cavity (12) and a second support plate (13); the cooling frame (11) and the cold flow cavity (12) are both in a U-shaped structure; the cooling frame (11) is slidably connected to the inside of the second annular groove (7); the cold flow cavity (12) is opened inside the cooling frame (11); the second support plate (13) is slidably connected to the inside of the second square groove (22); and the second support plate (13) is fixedly connected to the bottom of the cooling frame (11).
4. A molding device for fire-resistant silicone rubber according to claim 3, characterized in that: The operating table (1) is provided with a first square opening (19) and a second square opening (20) inside. The first square opening (19) is distributed correspondingly to the first square groove (21), and the second square opening (20) is distributed correspondingly to the second square groove (22).
5. A molding device for fire-resistant silicone rubber according to claim 4, characterized in that: The switching assembly comprises a rotating shaft (14), a rotating plate (15), a first electric push rod (16), a second electric push rod (17) and a motor (18); the rotating shaft (14) is rotatably connected to the bottom of the operating table (1); the rotating shaft (14) is located between the first fixed mold (2) and the second fixed mold (3); the rotating plate (15) is fixedly connected to the bottom of the rotating shaft (14); the first electric push rod (16) is fixedly connected to one end of the lower surface of the rotating plate (15); a circular hole is provided on the rotating plate (15) for the telescopic end of the first electric push rod (16) to pass through; the first support plate (10) is fixedly connected to the telescopic end of the first electric push rod (16); the second electric push rod (17) is fixedly connected to the other end of the lower surface of the rotating plate (15); a circular hole is provided on the rotating plate (15) for the telescopic end of the second electric push rod (17) to pass through; and the second support plate (13) is fixedly connected to the telescopic end of the second electric push rod (17).