Plastic mould for dustproof cover of television

Abstract

The utility model discloses a plastic mould for a dustproof cover of a television, which relates to the technical field of moulds and comprises a lower mould and an upper mould, the lower mould and the upper mould are mutually detachable, an injection molding hole is arranged in the middle of the upper end of the upper mould, a stand column is arranged at the bottom end of the lower mould, a base is arranged at the bottom end of the stand column, and a lifting plate capable of vertically and linearly moving back and forth is arranged on the inner side of the lower mould. A protective shell is fixedly arranged on the outer side of the lower die, a frame box capable of vertically lifting is arranged between the inner side of the protective shell and the outer side of the lower die, a plurality of evenly-distributed sprayers are fixedly installed on the periphery of the inner side of the frame box, a water pump is arranged at the water inlet end of the frame box, a water tank is arranged at the lower end of the water pump, refrigerants are arranged in the water tank, and the water outlet end of the protective shell is communicated with the water tank. The spray heads arranged on the periphery vertically lift to spray circulating cooling water to cool an injection molding part, so that the cooling effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of molds, in particular to a plastic mold for a dust cover of a television. Background Art

[0002] Plastic mold is an injection mold, specifically, it refers to the plastic that is melted by heat and injected into the mold cavity under high pressure by an injection molding machine, and then cooled and solidified to obtain a molded product.

[0003] The existing plastic mold for the dust cover of a television cannot increase the molding rate of the injection molded product during the injection molding process, and the cooling effect needs to be further improved.

[0004] In view of the above problems, the utility model provides a plastic mold for a dust cover of a television. Utility Model Content

[0005] The utility model aims to provide a plastic mold for a dust cover of a television, which can cool down the injection molded parts by vertically lifting and spraying circulating cooling water through nozzles arranged around the injection molded parts, thereby improving the cooling effect and solving the problems in the background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a plastic mold for a dust cover of a television, comprising a lower mold and an upper mold, the lower mold and the upper mold are detachable from each other, an injection hole is opened in the middle of the upper end of the upper mold, a column is arranged at the bottom end of the lower mold, a base is arranged at the bottom end of the column, a lifting plate which can move back and forth vertically is arranged on the inner side of the lower mold, a protective shell is fixedly arranged on the outer side of the lower mold, a frame box which can be lifted vertically is arranged between the inner side of the protective shell and the outer side of the lower mold, a plurality of evenly distributed nozzles are fixedly installed around the inner side of the frame box, a water pump is arranged at the water inlet end of the frame box, a water tank is arranged at the lower end of the water pump, a refrigerant is arranged in the water tank, and a water outlet end of the protective shell is connected to the water tank.

[0007] Furthermore, hydraulic cylinders are fixedly installed on both sides of the upper end of the base, and a lifting plate is fixedly connected to the output end of the hydraulic cylinder. The outer side of the lifting plate is in contact with the inner side of the lower mold. Columns are fixedly connected at the four corners of the bottom end of the lower mold, and the bottom ends of the columns are fixedly connected to the upper end of the base.

[0008] Furthermore, connecting plates are fixedly connected on both sides of the frame box, and screw rods and guide rods are respectively arranged inside the connecting plates. Both ends of the guide rods are fixedly connected to the inner end surface of the protective shell, and a motor is fixedly installed on the upper end of the protective shell. The bottom end of the screw rod is rotatably connected to the inner bottom surface of the protective shell through a bearing, and the upper end passes through the protective shell and is fixedly connected to the output end of the motor. The screw rod is threadedly connected to one of the connecting plates, and the guide rod is slidably connected to the other connecting plate.

[0009] Furthermore, a water tank is fixedly installed on the upper end of the base, a water pump is fixedly installed on the upper end of the water tank, a water outlet end of the water pump is fixedly connected to a water outlet pipe, the water outlet end of the water outlet pipe extends into the protective shell and is fixedly connected to a hose, the water outlet end of the hose is fixedly connected to the water inlet end of the frame box, the water inlet end of the water tank is fixedly connected to a water inlet pipe, and the water inlet end of the water inlet pipe is fixedly connected to the water outlet end of the protective shell.

[0010] Furthermore, clamping grooves are symmetrically provided on both sides of the upper end of the lower mold, and clamping blocks are fixedly connected to both sides of the bottom end of the upper mold, and the clamping blocks are engaged with the inner sides of the clamping grooves.

[0011] Furthermore, the base is fastened to the mounting surface by bolts.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] The utility model provides a plastic mold for a dust cover of a television. The lower mold and the upper mold are installed with each other, and the raw materials for the dust cover of the television are discharged into the cavity between the lower mold and the upper mold through the injection hole for injection molding. Then, the water pump transports the cooling water in the water tank to the frame box and sprays it out through the nozzle, spraying and cooling the outer side of the lower mold. The warm water flows back into the water tank through the bottom of the protective shell and is cooled by the refrigerant, and then re-sent to the frame box to form a cooling cycle. During this process, the frame box drives the nozzle to reciprocate vertically, spraying and cooling the outer side of the lower mold evenly, thereby improving the cooling effect. After the cooling is completed, the upper mold is opened, and then the lifting plate rises vertically to push the injection molded part upward. The purpose of this design is to cool the injection molded part by vertically lifting and spraying circulating cooling water with the nozzles arranged around it, thereby improving the cooling effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the structure of the upper end of the base in the utility model;

[0016] Figure 3 This is a schematic diagram of the internal structure of the protective shell in the utility model;

[0017] Figure 4 This is a schematic diagram of the position of the screw rod in the utility model;

[0018] Figure 5 It is a schematic diagram of the frame box structure in the utility model.

[0019] In the figure: 1. base; 2. column; 3. lower mold; 4. upper mold; 5. injection hole; 6. slot; 7. block; 8. hydraulic cylinder; 9. lifting plate; 10. protective shell; 11. screw rod; 12. guide rod; 13. motor; 14. frame box; 15. nozzle; 16. connecting plate; 17. water tank; 18. water pump; 19. water outlet pipe; 20. hose; 21. water inlet pipe. 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] In order to solve the problem of how to effectively cool the technology, such as Figure 1-5 As shown, the following preferred technical solutions are provided:

[0022] A plastic mold for a dust cover of a television, comprising a lower mold 3 and an upper mold 4, the lower mold 3 and the upper mold 4 are detachable from each other, an injection hole 5 is opened in the middle of the upper end of the upper mold 4, a column 2 is arranged at the bottom end of the lower mold 3, a base 1 is arranged at the bottom end of the column 2, a lifting plate 9 capable of vertical reciprocating linear motion is arranged on the inner side of the lower mold 3, a protective shell 10 is fixedly arranged on the outer side of the lower mold 3, a frame box 14 capable of vertical lifting is arranged between the inner side of the protective shell 10 and the outer side of the lower mold 3, a plurality of evenly distributed nozzles 15 are fixedly installed around the inner side of the frame box 14, a water pump 18 is arranged at the water inlet end of the frame box 14, a water tank 17 is arranged at the lower end of the water pump 18, a refrigerant is arranged in the water tank 17, and a water outlet end of the protective shell 10 is connected to the water tank 17.

[0023] Specifically, the lower mold 3 and the upper mold 4 are installed with each other, and the raw materials for the dust cover of the TV are discharged into the cavity between the lower mold 3 and the upper mold 4 through the injection hole 5 for injection molding. Then the water pump 18 transports the cooling water in the water tank 17 to the frame box 14 and sprays it out through the nozzle 15, spraying and cooling the outer side of the lower mold 3. The warm water flows back to the water tank 17 through the bottom of the protective shell 10 and is cooled by the refrigerant, and then re-sent to the frame box 14 to form a cooling cycle. During this process, the frame box 14 drives the nozzle 15 to reciprocate vertically, spraying and cooling the outer side of the lower mold 3 evenly to improve the cooling effect. After cooling, the upper mold 4 is opened, and then the lifting plate 9 rises vertically to push the injection molded part upward. The purpose of this design is to cool the injection molded part by vertically lifting and spraying circulating cooling water through the nozzles 15 arranged around it to improve the cooling effect.

[0024] Further, such as Figure 4 As shown, the following preferred technical solutions are provided:

[0025] Hydraulic cylinders 8 are fixedly installed on both sides of the upper end of the base 1, and a lifting plate 9 is fixedly connected to the output end of the hydraulic cylinder 8. The outer side of the lifting plate 9 is in contact with the inner side of the lower mold 3. The four corners of the bottom end of the lower mold 3 are fixedly connected with columns 2, and the bottom end of the column 2 is fixedly connected to the upper end of the base 1. The purpose of this design is to support the lower mold 3, and the lifting plate 9 is driven by the hydraulic cylinder 8 to rise and fall vertically for demolding.

[0026] Further, such as Figure 4 As shown, the following preferred technical solutions are provided:

[0027] Both sides of the frame box 14 are fixedly connected with connecting plates 16, and the connecting plates 16 are respectively provided with screw rods 11 and guide rods 12. Both ends of the guide rods 12 are fixedly connected to the inner end surface of the protective shell 10. The upper end of the protective shell 10 is fixedly installed with a motor 13. The bottom end of the screw rod 11 is rotatably connected to the inner bottom surface of the protective shell 10 through a bearing, and the upper end passes through the protective shell 10 and is fixedly connected to the output end of the motor 13. The screw rod 11 is threadedly connected to one of the connecting plates 16, and the guide rod 12 is slidably connected to the other connecting plate 16. The purpose of this design is that the motor 13 drives the screw rod 11 to rotate, thereby driving the frame box 14 to reciprocate vertically.

[0028] Further, such as Figure 1-5 As shown, the following preferred technical solutions are provided:

[0029] The water tank 17 is fixedly mounted on the upper end of the base 1, and a water pump 18 is fixedly mounted on the upper end of the water tank 17. The water outlet end of the water pump 18 is fixedly connected to a water outlet pipe 19. The water outlet end of the water outlet pipe 19 extends into the protective shell 10 and is fixedly connected to a hose 20. The water outlet end of the hose 20 is fixedly connected to the water inlet end of the frame box 14. The water inlet end of the water tank 17 is fixedly connected to a water inlet pipe 21. The water inlet end of the water inlet pipe 21 is fixedly connected to the water outlet end of the protective shell 10. The purpose of this design is to transport the cooling water in the water tank 17 to the frame box 14 through the water pump 18 and spray it out through the nozzle 15. The warm water flows back to the water tank 17 through the water inlet pipe 21 at the bottom of the protective shell 10 for cooling and then put into circulation.

[0030] Further, such as Figure 3 As shown, the following preferred technical solutions are provided:

[0031] The lower mold 3 has symmetrical slots 6 on both sides of the upper end, and the upper mold 4 has fixed blocks 7 on both sides of the bottom end. The blocks 7 engage with the inner sides of the slots 6. The purpose of this design is to install the lower mold 3 and the upper mold 4 together.

[0032] Further, such as Figure 1 As shown, the following preferred technical solutions are provided:

[0033] The base 1 is fastened to the mounting surface by bolts, and the purpose of this design is to fix the base 1.

[0034] To sum up: install the lower mold 3 and the upper mold 4 to each other, discharge the raw materials for the dust cover of the TV into the cavity between the lower mold 3 and the upper mold 4 through the injection hole 5 for injection molding, and then the water pump 18 transports the cooling water in the water tank 17 to the frame box 14 and sprays it out through the nozzle 15, spraying and cooling the outer side of the lower mold 3, and the warm water flows back to the water tank 17 through the bottom of the protective shell 10 and is cooled by the refrigerant, and then re-sent to the frame box 14 to form a cooling cycle. During this process, the frame box 14 drives the nozzle 15 to reciprocate vertically, spraying and cooling the outer side of the lower mold 3 evenly to improve the cooling effect. After the cooling is completed, the upper mold 4 is opened, and then the lifting plate 9 rises vertically to push the injection molded part upward. The purpose of this design is to cool the injection molded part by vertically lifting and spraying circulating cooling water through the nozzles 15 arranged on all sides to improve the cooling effect.

[0035] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A plastic mold for a dust cover of a television, comprising a lower mold (3) and an upper mold (4), characterized in that: The lower mold (3) and the upper mold (4) are detachable from each other. An injection hole (5) is provided in the middle of the upper end of the upper mold (4). A column (2) is provided at the bottom end of the lower mold (3). A base (1) is provided at the bottom end of the column (2). A lifting plate (9) capable of vertical reciprocating linear motion is provided on the inner side of the lower mold (3). A protective shell (10) is fixedly provided on the outer side of the lower mold (3). A frame box (14) capable of vertical lifting is provided between the inner side of the protective shell (10) and the outer side of the lower mold (3). A plurality of uniformly distributed nozzles (15) are fixedly installed around the inner side of the frame box (14). A water pump (18) is provided at the water inlet end of the frame box (14). A water tank (17) is provided at the lower end of the water pump (18). A refrigerant is provided in the water tank (17). The water outlet end of the protective shell (10) is connected to the water tank (17).

2. The plastic mold for a TV dust cover according to claim 1, characterized in that: Hydraulic cylinders (8) are fixedly installed on both sides of the upper end of the base (1); the output end of the hydraulic cylinder (8) is fixedly connected to a lifting plate (9); the outer side of the lifting plate (9) is in contact with the inner side of the lower mold (3); the four corners of the bottom end of the lower mold (3) are fixedly connected to columns (2); the bottom end of the column (2) is fixedly connected to the upper end of the base (1).

3. The plastic mold for a TV dust cover according to claim 1, characterized in that: Both sides of the frame box (14) are fixedly connected with connecting plates (16), and the connecting plates (16) are respectively provided with screw rods (11) and guide rods (12), and both ends of the guide rods (12) are fixedly connected to the inner end surface of the protective shell (10), and the upper end of the protective shell (10) is fixedly installed with a motor (13), and the bottom end of the screw rod (11) is rotatably connected to the inner bottom surface of the protective shell (10) through a bearing, and the upper end passes through the protective shell (10) and is fixedly connected to the output end of the motor (13), the screw rod (11) is threadedly connected to one of the connecting plates (16), and the guide rod (12) is slidably connected to the other connecting plate (16).

4. The plastic mold for a television dust cover according to claim 1, characterized in that: The water tank (17) is fixedly mounted on the upper end of the base (1), a water pump (18) is fixedly mounted on the upper end of the water tank (17), a water outlet end of the water pump (18) is fixedly connected to a water outlet pipe (19), a water outlet end of the water outlet pipe (19) extends into the protective shell (10) and is fixedly connected to a hose (20), a water outlet end of the hose (20) is fixedly connected to a water inlet end of the frame box (14), a water inlet end of the water tank (17) is fixedly connected to a water inlet pipe (21), and a water inlet end of the water inlet pipe (21) is fixedly connected to a water outlet end of the protective shell (10).

5. The plastic mold for a television dust cover according to claim 1, characterized in that: The upper end of the lower mold (3) is symmetrically provided with clamping grooves (6), and the bottom end of the upper mold (4) is fixedly connected with clamping blocks (7) on both sides, and the clamping blocks (7) are mutually clamped with the inner sides of the clamping grooves (6).

6. The plastic mold for a television dust cover according to claim 1, characterized in that: The base (1) is fixedly connected to the mounting surface via bolts.

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