Television rear cover die

Abstract

The utility model relates to the technical field of television rear cover production, and provides a television rear cover die which comprises a lower die, a cooling box is arranged on the outer surface of the lower die, a water inlet pipe is fixedly installed at the upper end of one side of the cooling box, and a water outlet pipe is fixedly installed at the lower end of the side, close to the water inlet pipe, of the cooling box. The upper mold is embedded into the lower mold through the hydraulic air cylinder, the positioning rod is embedded into the through hole formed in the outer surface of the positioning plate, in this way, the stability of the upper mold can be improved, the upper mold can be connected with the lower mold, then materials are added into the material injection holes through the feeding pipe, and the material injection holes are formed in the periphery of the upper mold; in this way, materials can flow into the lower mold without generating four corners, the quality of the television rear cover subjected to injection molding is better, cooling water is added into the cooling box through the water inlet pipe, the cooling water is subjected to water circulation through the water outlet pipe, heat can be taken away through cooling water circulation, cooling of the television rear cover is accelerated, and the production and machining efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of television back cover production, in particular to a television back cover mould. Background Art

[0002] The back cover of a TV usually refers to the outer shell on the back of the TV, which is designed to protect the electronic components inside the TV, such as the motherboard, power board, signal processing chip, connection ports (such as HDMI, USB, network interface, AV interface, etc.) and speakers.

[0003] However, in the prior art, after the injection molding of the traditional TV back cover is completed, the worker usually reaches into the lower mold to take it out. This operation is not only time-consuming and labor-intensive, but also relatively dangerous and can easily cause injuries to the worker's arms. In addition, the traditional injection hole is opened in the center, and it is easy to have four corners during injection. The injection molding cooling time is also relatively long, thereby reducing the efficiency of production and processing. Utility Model Content

[0004] The purpose of the utility model is to solve the problem in the prior art that after the injection molding of the rear cover of a traditional TV set is completed, the worker usually puts his hand into the lower mold to take it out, which is not only time-consuming and labor-intensive, but also relatively dangerous and easily causes the worker's arm to be injured. In addition, the traditional injection hole is opened in the center position, and it is easy to have four corners during injection. The cooling time of the injection molding is also relatively long, thereby reducing the efficiency of production and processing.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a TV back cover mold, comprising: a lower mold, the outer surface of the lower mold is provided with a cooling box, the upper end of one side of the cooling box is fixedly installed with a water inlet pipe, the lower end of the cooling box close to the water inlet pipe is fixedly installed with a water outlet pipe, the outer surfaces of the water inlet pipe and the water outlet pipe are both provided with control valves, and also includes:

[0006] Two protective cylinders are fixedly mounted on opposite surfaces of the lower mold and the cooling box;

[0007] A U-shaped frame is fixedly installed at the bottom of the cooling box, and two electric push rods are fixedly installed on the top of the U-shaped frame, and the output ends of the two electric push rods both pass through the protective tube;

[0008] A push plate is movably embedded in the lower mold, and the output ends of the two electric push rods are fixedly installed on the bottom of the push plate.

[0009] Preferably, a rectangular scraper is fixedly mounted on the bottom of the push plate, and the rectangular scraper is movably embedded in the interior of the lower mold.

[0010] The technical effect of adopting the above further solution is that the rectangular scraper can clean the inner wall of the lower mold and remove impurities attached to the inner wall.

[0011] Preferably, a mounting frame is fixedly mounted on the outer surface of the cooling box, and a hydraulic cylinder is fixedly mounted at the top center of the mounting frame.

[0012] The technical effect of adopting the above further solution is that the hydraulic cylinder can drive the upper mold to move so that it is embedded in the interior of the lower mold.

[0013] Preferably, the output end of the hydraulic cylinder passes through the mounting frame, and a connecting plate is fixedly mounted on the output end of the hydraulic cylinder.

[0014] The technical effect of adopting the above further solution is that the connecting plate can be connected to the mold and the hydraulic cylinder.

[0015] Preferably, a positioning plate is fixedly mounted on the bottom of the connecting plate, and a plurality of through holes are formed on the outer surface of the positioning plate.

[0016] The technical effect of adopting the above further solution is that the through hole allows the positioning rod to be embedded, thereby improving the stability of the upper mold.

[0017] Preferably, a plurality of positioning rods are fixedly mounted on the top of the lower mold, and the diameter of the plurality of through holes is the same as the diameter of the positioning rods.

[0018] The technical effect of adopting the above further solution is that the positioning rod can improve the stability of the upper mold and make it more stably connected to the lower mold.

[0019] Preferably, an upper mold is fixedly mounted on the bottom of the positioning plate, and injection holes are provided on the four sides and the top center of the upper mold.

[0020] The technical effect of adopting the above further solution is that the multiple injection holes can make the material flow into the interior of the lower mold more fully without generating dead corners.

[0021] Preferably, a feeding pipe is fixedly installed at the top center of the upper mold, and the feeding pipe is connected to the injection hole.

[0022] The technical effect of adopting the above further solution is that the material can be easily injected into the interior of the lower mold through the feeding pipe.

[0023] Compared with the prior art, the advantages and positive effects of the utility model are:

[0024] 1. In the utility model, the upper mold is embedded into the interior of the lower mold through a hydraulic cylinder, and the positioning rod is embedded in the through hole opened on the outer surface of the positioning plate, so that the stability of the upper mold can be improved, and the upper mold can be connected to the lower mold, and then the material is added to the injection hole through the feeding pipe. The injection hole is opened around the upper mold, so that the material can flow into the interior of the lower mold without dead corners, so that the quality of the TV back cover after injection molding is better, and cooling water is added to the interior of the cooling box through the water inlet pipe. The cooling water circulates through the water outlet pipe. The cooling water circulation can take away the heat, thereby accelerating the cooling of the TV back cover and improving the production and processing efficiency. The outer surfaces of the water outlet pipe and the water inlet pipe are provided with control valves, which can make the cooling water circulate more conveniently.

[0025] 2. In the utility model, after cooling is completed, the hydraulic cylinder drives the upper mold to move out, and then the two electric push rods are turned on to drive the push plate to push the cooled and formed TV back cover out from the inside of the lower mold. There is no need for workers to put their hands into the inside of the lower mold, which better improves safety. A rectangular scraper is fixedly installed on the bottom of the push plate. The rectangular scraper can clean the inner wall of the lower mold and remove impurities attached to the inner wall. The two protective tubes can protect the electric push rods from being damaged by cooling water, thereby increasing the service life of the electric push rods. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 The utility model provides a structural schematic diagram of a TV back cover mold;

[0027] Figure 2 The utility model provides a side view structural schematic diagram of a TV back cover mold;

[0028] Figure 3 The utility model provides a partial cross-sectional structural schematic diagram of a TV back cover mold;

[0029] Figure 4 The utility model provides a schematic cross-sectional structure diagram of a television back cover mold.

[0030] Legend:

[0031] 1. Lower mold; 101. Mounting frame; 102. Hydraulic cylinder; 103. Connecting plate; 104. Positioning plate; 105. Upper mold; 106. Injection hole; 107. Through hole; 108. Control valve; 109. Feeding pipe; 110. Positioning rod; 111. Water inlet pipe; 112. Water outlet pipe; 113. Electric push rod; 114. U-shaped frame; 115. Cooling box; 116. Protective tube; 117. Push plate; 118. Rectangular scraper. DETAILED DESCRIPTION

[0032] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. 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.

[0033] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0034] Embodiment 1, as Figure 1-4 As shown, the utility model provides a TV back cover mold, including: a lower mold 1, a cooling box 115 is arranged on the outer surface of the lower mold 1, a water inlet pipe 111 is fixedly installed on the upper end of one side of the cooling box 115, a water outlet pipe 112 is fixedly installed on the lower end of the cooling box 115 near the water inlet pipe 111, and a control valve 108 is arranged on the outer surfaces of the water inlet pipe 111 and the water outlet pipe 112; a mounting frame 101 is fixedly installed on the outer surface of the cooling box 115, and a hydraulic cylinder 102 is fixedly installed at the top center of the mounting frame 101; the output end of the hydraulic cylinder 102 passes through the mounting frame 101, A connecting plate 103 is fixedly installed on the output end of the hydraulic cylinder 102; a positioning plate 104 is fixedly installed on the bottom of the connecting plate 103, and a plurality of through holes 107 are provided on the outer surface of the positioning plate 104; a plurality of positioning rods 110 are fixedly installed on the top of the lower mold 1, and the diameters of the plurality of through holes 107 are the same as the diameters of the positioning rods 110; an upper mold 105 is fixedly installed on the bottom of the positioning plate 104, and injection holes 106 are provided around and at the center of the top of the upper mold 105; a feeding pipe 109 is fixedly installed at the center of the top of the upper mold 105, and the feeding pipe 109 is connected to the injection hole 106.

[0035] In this embodiment, the upper mold 105 is embedded into the interior of the lower mold 1 through the hydraulic cylinder 102, and the positioning rod 110 is embedded into the through hole 107 opened on the outer surface of the positioning plate 104, so that the stability of the upper mold 105 can be improved, and the upper mold 105 can be connected to the lower mold 1, and then the material is added to the injection hole 106 through the feeding pipe 109. The injection hole 106 is opened around the upper mold 105, so that the material can flow into the interior of the lower mold 1 without generating dead corners, so that the quality of the TV back cover after injection molding is better, and cooling water is added to the interior of the cooling box 115 through the water inlet pipe 111. The cooling water circulates through the water outlet pipe 112. The cooling water circulation can take away the heat, thereby accelerating the cooling of the TV back cover and improving the production and processing efficiency. The outer surfaces of the water outlet pipe 112 and the water inlet pipe 111 are provided with a control valve 108, which can make the cooling water circulate more conveniently.

[0036] Embodiment 2, as Figure 1-4 As shown, two protective cylinders 116 are fixedly mounted on the opposite surfaces of the lower mold 1 and the cooling box 115; a U-shaped frame 114 is fixedly mounted on the bottom of the cooling box 115, and two electric push rods 113 are fixedly mounted on the top of the U-shaped frame 114, and the output ends of the two electric push rods 113 both pass through the protective cylinder 116; a push plate 117 is movably embedded in the interior of the lower mold 1, and the output ends of the two electric push rods 113 are fixedly mounted on the bottom of the push plate 117; a rectangular scraper 118 is fixedly mounted on the bottom of the push plate 117, and the rectangular scraper 118 is movably embedded in the interior of the lower mold 1.

[0037] In this embodiment, after cooling is completed, the hydraulic cylinder 102 drives the upper mold 105 to move out, and then the two electric push rods 113 are turned on to drive the push plate 117 to push the cooled and formed TV back cover out from the inside of the lower mold 1. There is no need for workers to put their hands into the interior of the lower mold 1, which better improves safety. A rectangular scraper 118 is fixedly installed on the bottom of the push plate 117. The rectangular scraper 118 can clean the inner wall of the lower mold 1 and remove impurities attached to the inner wall. The two protective tubes 116 can protect the electric push rod 113 from damage by cooling water, thereby increasing the service life of the electric push rod 113.

[0038] Working principle: When in use, the upper mold 105 is embedded into the lower mold 1 through the hydraulic cylinder 102, and the positioning rod 110 is embedded in the through hole 107 opened on the outer surface of the positioning plate 104, so that the stability of the upper mold 105 can be improved, and the upper mold 105 can be connected to the lower mold 1, and then the material is added to the injection hole 106 through the feeding pipe 109. The injection hole 106 is opened around the upper mold 105, so that the material can flow into the interior of the lower mold 1 without dead corners, so that the quality of the TV back cover after injection molding is better, and cooling water is added to the interior of the cooling box 115 through the water inlet pipe 111. The cooling water is circulated through the water outlet pipe 112. The cooling water circulation can take away the heat, thereby accelerating the cooling of the TV back cover. To improve production and processing efficiency, the outer surfaces of the water outlet pipe 112 and the water inlet pipe 111 are both provided with control valves 108, which can make the cooling water circulate more conveniently. After cooling is completed, the hydraulic cylinder 102 drives the upper mold 105 to move out, and then turns on the two electric push rods 113 to drive the push plate 117 to push the cooled and formed TV back cover out from the inside of the lower mold 1. There is no need for workers to put their hands into the inside of the lower mold 1, which better improves safety. A rectangular scraper 118 is fixedly installed on the bottom of the push plate 117. The rectangular scraper 118 can clean the inner wall of the lower mold 1 and remove impurities attached to the inner wall. The two protective tubes 116 can protect the electric push rod 113 from damage by cooling water, thereby improving the service life of the electric push rod 113.

[0039] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A TV back cover mold, comprising: A lower mold (1), wherein a cooling box (115) is disposed on the outer surface of the lower mold (1), a water inlet pipe (111) is fixedly mounted on the upper end of one side of the cooling box (115), a water outlet pipe (112) is fixedly mounted on the lower end of the cooling box (115) on the side close to the water inlet pipe (111), and control valves (108) are disposed on the outer surfaces of the water inlet pipe (111) and the water outlet pipe (112), characterized in that it further comprises: Two protective cylinders (116) are fixedly mounted on opposite surfaces of the lower mold (1) and the cooling box (115); A U-shaped frame (114) is fixedly mounted on the bottom of the cooling box (115); two electric push rods (113) are fixedly mounted on the top of the U-shaped frame (114); output ends of the two electric push rods (113) both pass through a protective tube (116); A push plate (117) is movably embedded in the lower mold (1), and the output ends of the two electric push rods (113) are fixedly mounted on the bottom of the push plate (117).

2. The TV back cover mold according to claim 1, characterized in that: A rectangular scraper (118) is fixedly mounted on the bottom of the push plate (117), and the rectangular scraper (118) is movably embedded in the interior of the lower mold (1).

3. The TV back cover mold according to claim 1, characterized in that: A mounting frame (101) is fixedly mounted on the outer surface of the cooling box (115), and a hydraulic cylinder (102) is fixedly mounted at the top center of the mounting frame (101).

4. The TV back cover mold according to claim 3, characterized in that: The output end of the hydraulic cylinder (102) passes through the mounting frame (101), and a connecting plate (103) is fixedly mounted on the output end of the hydraulic cylinder (102).

5. The TV back cover mold according to claim 4, characterized in that: A positioning plate (104) is fixedly mounted on the bottom of the connecting plate (103), and a plurality of through holes (107) are formed on the outer surface of the positioning plate (104).

6. The TV back cover mold according to claim 5, characterized in that: A plurality of positioning rods (110) are fixedly mounted on the top of the lower mold (1), and the diameters of the plurality of through holes (107) are the same as the diameter of the positioning rods (110).

7. The TV back cover mold according to claim 6, characterized in that: An upper mold (105) is fixedly mounted on the bottom of the positioning plate (104), and injection holes (106) are provided on the four sides and the center of the top of the upper mold (105).

8. The TV back cover mold according to claim 7, characterized in that: A feeding pipe (109) is fixedly installed at the top center of the upper mold (105), and the feeding pipe (109) is connected to the injection hole (106).

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