Television shell injection mold

Abstract

The utility model discloses a television shell injection mold, relates to the technical field of television production, and aims to solve the problems of low production efficiency caused by poor cooling effect of the television shell injection mold and inconvenience in demolding caused by the fact that the molded television shell is easily adhered to the inner wall of a molding groove. A lower mold is fixedly connected to the center of the top face of the base, a heat dissipation mechanism is arranged on the outer wall of the left side of the base, and a demolding assembly is arranged in the lower mold. After ice blocks are added into the screen frame, the cooling fan blows cold air to the lower mold and the upper mold, cooling and curing of a television shell in the mold are accelerated, the bearing base is pushed to move through the push rod, the idler wheels rotate to extrude the inclined plate, and the inclined plate drives the ejector rod to eject out and demold the television shell in the lower mold. The problems that the production efficiency is low due to the poor cooling effect of the television shell injection mold, and demolding is inconvenient due to the fact that the formed television shell is prone to adhering to the inner wall of the forming groove are effectively solved.

Description

Technical Field

[0001] This utility model relates to the field of television production technology, specifically a television set casing injection mold. Background Technology

[0002] A television set is a machine that uses electricity to transmit optical information based on the persistence of vision and visual psychology. It is a widely used electronic device. The structure of a television set usually includes a display screen, circuit board, speaker, and casing. In the production process of the television casing, the use of injection molds is indispensable.

[0003] In existing technology, after injection molding, television casing injection molds typically use natural cooling or simple air cooling to cool down. This cooling method is inefficient, resulting in a long cooling and solidification time for the television casing, which seriously affects production efficiency. In addition, during the demolding process of traditional injection molds, the molded television casing is prone to sticking to the inner wall of the molding groove, making demolding difficult, increasing the complexity of manual operation, and affecting the processing efficiency of the product.

[0004] Therefore, there is a need for a new type of injection mold for television casings to solve the problems of poor cooling effect in existing injection molds for television casings, which leads to low production efficiency, and the fact that the molded television casings tend to stick to the inner wall of the molding groove, making demolding inconvenient. Utility Model Content

[0005] The purpose of this utility model is to provide an injection mold for television casings, so as to solve the problems of poor cooling effect of existing injection molds for television casings, which leads to low production efficiency, and the television casings after molding are easy to stick to the inner wall of the molding groove, making demolding inconvenient.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a television casing injection mold, including a base, a lower mold fixedly connected to the center of the top surface of the base, support columns fixedly connected to the four corners of the top surface of the base, the same upper mold slidably connected to the outer surfaces of the four support columns, the same top plate fixedly connected to the top of the four support columns, an electric push rod installed at the center of the top surface of the top plate, a heat dissipation mechanism provided on the left outer wall of the base, and a demolding component provided inside the lower mold;

[0007] The heat dissipation mechanism includes an L-shaped plate, which is fixedly connected to the outer wall of the left side of the base. Three evenly distributed cylinders are fixedly connected to the top surface of the horizontal section of the L-shaped plate. A wire mesh frame is inserted inside each cylinder. A connecting pipe is fixedly connected between the three cylinders. A drain pipe is fixedly connected to the front end of the outer surface of one of the cylinders. Three evenly distributed mounting slots are opened through the side wall of the vertical section of the L-shaped plate. A cooling fan is installed in each mounting slot.

[0008] It should be noted in the solution that the demolding component includes an installation cavity, which is opened inside the lower mold. A push rod is provided inside the installation cavity, and a receiving seat is coaxially fixedly connected to the outer wall of the rear end of the push rod. A roller is rotatably provided inside the receiving seat. An inclined plate is provided inside the installation cavity, and a push rod is fixedly connected to the top surface of the inclined plate.

[0009] It is worth noting that positioning grooves are provided on both sides of the top surface of the lower mold, an injection tube is fixedly connected to the outer wall of the front end of the lower mold, and positioning blocks that are adapted to the positioning grooves are fixedly connected to both sides of the bottom surface of the upper mold.

[0010] Furthermore, it should be noted that the outer wall of the front end of the push rod slides through the outer wall of the front end of the lower mold and is fixedly connected to a push plate, and a spring is fixedly connected between the outer wall of the rear end of the push plate and the outer wall of the front end of the lower mold.

[0011] In a preferred embodiment, the output end of the electric actuator slides through the bottom surface of the top plate and is fixedly connected to the top surface of the upper mold, and the outer walls of both ends of the receiving seat and the inclined plate are slidably connected to the inner end walls of the mounting cavity, respectively.

[0012] In a preferred embodiment, the outer surface of the roller contacts the bottom surface of the inclined plate, and the top end of the push rod slides through the inner bottom surface of the lower mold.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] 1. Through the heat dissipation mechanism, after adding ice cubes inside the frame, the cooling fan blows the cold air generated by the ice cubes into the lower and upper molds, rapidly cooling the molds and accelerating the cooling and solidification of the TV casing inside the molds. The good cooling effect greatly improves the molding efficiency of the TV casing and effectively avoids the problem of low production efficiency caused by poor cooling effect of the TV casing injection mold.

[0015] 2. Through the action of the demolding component, the push rod pushes the receiving seat to move, causing the roller to rotate and squeeze the inclined plate. The inclined plate drives the ejector rod to eject the TV shell in the lower mold, which facilitates the demolding and removal of the molded TV shell. The operation is simple and convenient, which improves the efficiency of TV shell injection molding and effectively avoids the problem of the molded TV shell easily sticking to the inner wall of the molding groove, causing demolding inconvenience. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0017] Figure 2 This is a side view of the L-shaped plate structure of this utility model;

[0018] Figure 3 This is a side sectional view of the lower mold of this utility model.

[0019] Figure 4 This is a front view structural diagram of the lower mold and upper mold of this utility model.

[0020] The following are the labeling elements in the diagram: 1. Base; 2. Lower mold; 3. Support column; 4. Upper mold; 5. Top plate; 6. Electric push rod; 7. Heat dissipation mechanism; 71. L-shaped plate; 72. Container cylinder; 73. Frame; 74. Connecting pipe; 75. Drain pipe; 76. Mounting slot; 77. Cooling fan; 8. Demolding assembly; 81. Mounting cavity; 82. Push rod; 83. Receiver; 84. Roller; 85. Inclined plate; 86. Push rod; 9. Positioning slot; 10. Injection tube; 11. Positioning block; 12. Push plate; 13. Spring. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Example: Figures 1-4 As shown, this utility model provides a technical solution, including a base 1, a lower mold 2 fixedly connected to the center of the top surface of the base 1, support columns 3 fixedly connected to the four corners of the top surface of the base 1, the same upper mold 4 slidably connected to the outer surface of the four support columns 3, the same top plate 5 fixedly connected to the top of the four support columns 3, an electric push rod 6 installed at the center of the top surface of the top plate 5, a heat dissipation mechanism 7 provided on the left outer wall of the base 1, and a demolding component 8 provided inside the lower mold 2;

[0023] The heat dissipation mechanism 7 includes an L-shaped plate 71, which is fixedly connected to the outer wall of the left side of the base 1. Three evenly distributed containers 72 are fixedly connected to the top surface of the horizontal section of the L-shaped plate 71. A mesh frame 73 is inserted inside each container 72. A connecting pipe 74 is fixedly connected between the three containers 72. A drain pipe 75 is fixedly connected to the front end of the outer surface of one of the containers 72. Three evenly distributed mounting slots 76 are opened through the side wall of the vertical section of the L-shaped plate 71. A cooling fan 77 is installed in each mounting slot 76.

[0024] Further as Figure 3As shown, it is worth noting that the demolding assembly 8 includes a mounting cavity 81, which is located inside the lower mold 2. A push rod 82 is provided inside the mounting cavity 81. A receiving seat 83 is coaxially fixedly connected to the outer wall of the rear end of the push rod 82. A roller 84 is rotatably provided inside the receiving seat 83. An inclined plate 85 is provided inside the mounting cavity 81. A push rod 86 is fixedly connected to the top surface of the inclined plate 85.

[0025] Further as Figure 1 , Figure 3 and Figure 4 As shown, it is worth noting that positioning grooves 9 are provided on both sides of the top surface of the lower mold 2, and an injection tube 10 is fixedly connected to the outer wall of the front end of the lower mold 2. Positioning blocks 11 that are compatible with the positioning grooves 9 are fixedly connected to both sides of the bottom surface of the upper mold 4.

[0026] Further as Figure 3 As shown, it is worth noting that the outer wall of the front end of the push rod 82 slides through the outer wall of the front end of the lower mold 2 and is fixedly connected to the push plate 12. The outer wall of the rear end of the push plate 12 is fixedly connected to the outer wall of the front end of the lower mold 2. A spring 13 is fixedly connected between the outer wall of the rear end of the push plate 12 and the outer wall of the front end of the lower mold 2.

[0027] Further as Figure 1 and Figure 3 As shown, it is worth noting that the output end of the electric push rod 6 slides through the bottom surface of the top plate 5 and is fixedly connected to the top surface of the upper mold 4. The electric push rod 6 pushes the upper mold 4 to move, which facilitates the combination and separation of the lower mold 2 and the upper mold 4. The outer walls of both ends of the support seat 83 and the inclined plate 85 are slidably connected to the inner end walls of the mounting cavity 81, respectively, which improves the stability of the support seat 83 and the inclined plate 85 when they move inside the mounting cavity 81.

[0028] Further as Figure 3 As shown, it is worth noting that the outer surface of the roller 84 contacts the bottom surface of the inclined plate 85, and the top of the ejector rod 86 slides through the inner bottom surface of the lower mold 2. When the roller 84 moves, it pushes the inclined plate 85 to drive the ejector rod 86 to slide upward. The ejector rod 86 pushes the formed TV shell out from the inside of the lower mold 2, thereby realizing the demolding operation.

[0029] In summary: When using this TV casing injection mold, the electric push rod 6 pushes the upper mold 4 downward to close with the lower mold 2. Injection is then performed into the combined lower mold 2 and upper mold 4 through the injection tube 10. After injection, ice and water are added into the three mesh frames 73, and then three cooling fans 77 are turned on simultaneously. The cooling fans 77 blow the cold air generated during the evaporation of the ice into the lower mold 2 and upper mold 4 to cool the mold, allowing the TV casing inside the mold to cool and solidify. The ice water formed after the ice melts is discharged through the connecting pipe 74 and the drain pipe 75. The cooling effect is good, which greatly improves the molding efficiency of the TV casing and effectively avoids the problem of low production efficiency caused by poor cooling effect of the TV casing injection mold.

[0030] After cooling, the electric push rod 6 drives the upper mold 4 to separate from the lower mold 2 for mold opening. It pushes the push plate 12 towards the lower mold 2, which in turn moves the push rod 82. The push rod 82 moves the receiving seat 83, causing the roller 84 to roll. The roller 84 presses against the inclined plate 85, causing the inclined plate 85 to move upward inside the mounting cavity 81. The inclined plate 85 drives the ejector rod 86 to eject the TV casing from the lower mold 2, making it easier to demold the TV casing after molding. The operation is simple and convenient, improving the efficiency of TV casing injection molding and effectively avoiding the problem of the TV casing sticking to the inner wall of the molding groove after molding, which makes demolding inconvenient.

[0031] The electric actuator 6 and the cooling fan 77 can be purchased from the market and are mature technologies in this field, which have been fully disclosed. Therefore, they will not be described again in the specification.

[0032] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A television set casing injection mold, comprising a base (1), characterized in that: The base (1) has a lower mold (2) fixedly connected to the center of its top surface. The base (1) has four support columns (3) fixedly connected to the four corners of its top surface. The four support columns (3) have the same upper mold (4) slidably connected to their outer surfaces. The four support columns (3) have the same top plate (5) fixedly connected to their top ends. An electric push rod (6) is installed at the center of the top surface of the top plate (5). The base (1) has a heat dissipation mechanism (7) on its left outer wall. The lower mold (2) has a demolding assembly (8) inside its interior. The heat dissipation mechanism (7) includes an L-shaped plate (71), which is fixedly connected to the outer wall of the left side of the base (1). Three uniformly distributed cylinders (72) are fixedly connected to the top surface of the horizontal section of the L-shaped plate (71). A wire mesh frame (73) is inserted inside each cylinder (72). A connecting pipe (74) is fixedly connected between the three cylinders (72). A drain pipe (75) is fixedly connected to the front end of the outer surface of one of the cylinders (72). Three uniformly distributed mounting slots (76) are opened through the side wall of the vertical section of the L-shaped plate (71). A cooling fan (77) is installed in each mounting slot (76).

2. The television casing injection mold according to claim 1, characterized in that: The demolding assembly (8) includes an installation cavity (81) which is located inside the lower mold (2). A push rod (82) is provided inside the installation cavity (81). A receiving seat (83) is coaxially fixedly connected to the outer wall of the rear end of the push rod (82). A roller (84) is rotatably provided inside the receiving seat (83). An inclined plate (85) is provided inside the installation cavity (81). A push rod (86) is fixedly connected to the top surface of the inclined plate (85).

3. The television casing injection mold according to claim 2, characterized in that: The lower mold (2) has positioning grooves (9) on both sides of its top surface. The lower mold (2) has an injection tube (10) fixedly connected to its front outer wall. The upper mold (4) has positioning blocks (11) that are compatible with the positioning grooves (9) fixedly connected to both sides of its bottom surface.

4. The television casing injection mold according to claim 3, characterized in that: The outer wall of the front end of the push rod (82) slides through the outer wall of the front end of the lower mold (2) and is fixedly connected to the push plate (12). A spring (13) is fixedly connected between the outer wall of the rear end of the push plate (12) and the outer wall of the front end of the lower mold (2).

5. The television casing injection mold according to claim 4, characterized in that: The output end of the electric push rod (6) slides through the bottom surface of the top plate (5) and is fixedly connected to the top surface of the upper mold (4). The outer walls of both ends of the receiving seat (83) and the inclined plate (85) are slidably connected to the inner end walls of the mounting cavity (81).

6. The television casing injection mold according to claim 5, characterized in that: The outer surface of the roller (84) is in contact with the bottom surface of the inclined plate (85), and the top end of the push rod (86) slides through the inner bottom surface of the lower mold (2).

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