Traceless injection mold for upper and lower shells of charger

Abstract

The utility model provides a traceless injection mold for upper and lower shells of a charger, and relates to the technical field of charger production. The traceless injection mold for the upper and lower shells of the charger comprises a bottom plate, the upper surface of the bottom plate is connected with a supporting rod, and the top end of the supporting rod is connected with an operation plate. According to the traceless injection mold for the upper shell and the lower shell of the charger, through cooperation of the bottom plate, the floating plate and the first mold block, the second mold block is aligned with the first mold block and pressed downwards, then a material is injected into the cavity, air pressure in the cavity is increased, air in the cavity jacks up the floating plate upwards, the floating plate ascends to a buffer pipe, a channel of an exhaust pipe is opened, and the exhaust pipe is opened; and gas enters the top pipe from the buffer pipe and then is discharged from the top pipe, so that the problems that bubbles are easy to remain in an injection-molded workpiece, the quality and the structural strength of the molded shells are relatively influenced and the use is relatively inconvenient due to the fact that air is contained in a molding cavity during injection molding of an existing traceless injection mold for the upper and lower shells of the charger are solved.

Description

Technical Field

[0001] The utility model relates to an injection mold, in particular to a traceless injection mold for upper and lower shells of a charger, belonging to the technical field of charger production. Background Art

[0002] The charger is a charging device that uses high-frequency power supply technology and advanced intelligent dynamic adjustment charging technology. It is mainly used for battery charging. When producing the charger shell, it needs to be processed using a mold through seamless injection molding technology. Seamless injection molding technology is a new type of injection molding technology that has emerged and developed in recent years. Seamless injection molding is also called line-free injection molding. It is a technology that performs injection and pressure holding when the mold temperature reaches above 140°C, and then quickly reduces the mold temperature for cooling. Because injection and pressure holding are completed at high temperature, there are no appearance defects such as water marks on the product surface. The product does not need to be sprayed, which reduces production costs and protects the environment.

[0003] However, during the injection molding process, the existing seamless injection molds for the upper and lower shells of chargers contain air in the molding cavity, which easily leads to bubbles remaining inside the workpiece after injection molding, greatly affecting the quality and structural strength of the shell after molding, and making it inconvenient to use. To this end, we provide a seamless injection mold for the upper and lower shells of chargers to solve the above problems. Utility Model Content

[0004] In order to solve the above problems, the utility model provides a seamless injection mold for the upper and lower shells of the charger to solve the above problems. The specific technical solution is as follows:

[0005] A seamless injection mold for the upper and lower shells of a charger includes a base plate, the upper surface of the base plate is connected to a support rod, the top of the support rod is connected to an operating panel, the upper surface of the operating panel is connected to a side panel, the outer surface of the side panel is slidably connected to a second mold block, the outer surface of the second mold block is fixedly connected to an exhaust pipe, the outer surface of the second mold block is fixedly connected to an injection tube, one end of the exhaust pipe is fixedly connected to a buffer tube, one end of the buffer tube is fixedly connected to a top pipe, the outer surface of the top pipe is connected to a blocking block, the outer surface of the blocking block is connected to a spring, and one end of the spring is connected to a floating plate.

[0006] Preferably, the outer surface of the side plate is slidably connected to a first mold block, the bottom surface of the first mold block is connected to a hydraulic rod, the top end of the hydraulic rod slides through the bottom surface of the operating panel, and the bottom surface of the hydraulic rod is connected to the upper surface of the bottom plate.

[0007] Preferably, a telescopic rod is connected to the outer surface of the floating plate, and one end of the telescopic rod is connected to the outer surface of the blocking block.

[0008] Preferably, a thin rod is connected to the outer surface of the floating plate, and one end of the thin rod is connected to a disc.

[0009] Preferably, the outer surface of the top pipe is slidably connected with gauze, and the outer surface of the gauze is connected with a rubber ring.

[0010] Preferably, the outer surface of the bottom plate is connected to a right-angle plate, the outer surface of the right-angle plate is connected to a cylinder, and one end of the cylinder is connected to the outer surface of the second mold block.

[0011] Preferably, there are four support rods, which are evenly distributed on the upper surface of the base plate.

[0012] Compared with the prior art, the present invention has the following beneficial effects:

[0013] 1. The seamless injection mold for the upper and lower shells of the charger cooperates with the bottom plate, support rod, second mold block, buffer tube, floating plate and first mold block. When using the device, the second mold block is aligned with the first mold block and pressed down to form a cavity, and then the molding material is injected into the cavity. The air pressure inside the cavity increases, and the air inside the cavity will push the floating plate upward. The floating plate rises to the buffer tube, opening the channel of the exhaust pipe, and the gas enters the top pipe from the buffer tube and is then discharged from the top pipe. This solves the problem of the existing seamless injection mold for the upper and lower shells of the charger during injection molding, that is, due to the presence of air in the molding cavity, bubbles are easily retained inside the workpiece after injection molding, which affects the quality and structural strength of the shell after molding and is inconvenient to use.

[0014] 2. The seamless injection mold of the upper and lower shells of the charger cooperates with the side panels, the first mold block, the hydraulic rod, the operating panel and the bottom panel. When using the device, when demolding is required, the second mold block is lifted upward by the cylinder, and then the hydraulic rod is started. The hydraulic rod drives the first mold block to move upward, so that the first mold block slides on the outer surface of the side panel and detaches from the side panel. The first mold block will rise with the mold, which is convenient for subsequent demolding of the mold. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a partial structural cross-sectional view of the utility model;

[0017] Figure 3 It is a schematic diagram of the local structure of the utility model;

[0018] Figure 4 This is an exploded view of the local structure of the utility model;

[0019] Figure 5 This is an exploded view of the positional relationship between the top tube and the gauze of the utility model.

[0020] Description of the drawings: 1. Base plate; 2. Support rod; 3. Operating panel; 4. Side panel; 5. Second mold block; 6. Exhaust pipe; 7. Injection tube; 8. Buffer tube; 9. Top tube; 10. Block; 11. Spring; 12. Floating plate; 13. First mold block; 14. Hydraulic rod; 15. Telescopic rod; 16. Thin rod; 17. Disc; 18. Gauze; 19. Rubber ring; 20. Right-angle plate; 21. Cylinder. DETAILED DESCRIPTION

[0021] The present invention will now be further described with reference to the accompanying drawings.

[0022] See also Figure 1-5 As shown, a seamless injection mold for the upper and lower shells of a charger includes a base plate 1. The upper surface of the base plate 1 is connected to support rods 2. There are four support rods 2, which are evenly distributed on the upper surface of the base plate 1. The support rods 2 are made of stainless steel and have the characteristics of corrosion resistance, high temperature resistance, high strength and easy maintenance. The top of the support rods 2 is connected to an operating panel 3. The upper surface of the operating panel 3 is connected to a side panel 4. The side panel 4 is fixed to the outer surface of the operating panel 3 by bolts and is an integrated structure with the operating panel 3.

[0023] See also Figure 1 、 Figure 2 As shown, the outer surface of the side panel 4 is slidably connected to the second mold block 5, the outer surface of the second mold block 5 is fixedly connected to the exhaust pipe 6, the outer surface of the second mold block 5 is fixedly connected to the injection tube 7, the outer surface of the side panel 4 is slidably connected to the first mold block 13, the bottom surface of the first mold block 13 is connected to the hydraulic rod 14, the top end of the hydraulic rod 14 slides through the bottom surface of the operating panel 3, the bottom surface of the hydraulic rod 14 is connected to the upper surface of the bottom plate 1, when the first mold block 13 contacts the second mold block 5, a cavity will be formed, and material will be injected into the cavity through the injection tube 7.

[0024] The outer surface of the bottom plate 1 is connected to a right-angle plate 20, and the outer surface of the right-angle plate 20 is connected to a cylinder 21. One end of the cylinder 21 is connected to the outer surface of the second mold block 5. When demolding is required, the second mold block 5 is lifted upward by the cylinder 21, and then the hydraulic rod 14 is started. The hydraulic rod 14 drives the first mold block 13 to move upward, so that the first mold block 13 is separated from the side plate 4.

[0025] See also Figure 3 、 Figure 4 、 Figure 5As shown, one end of the exhaust pipe 6 is fixedly connected to a buffer tube 8, the diameter of which is larger than that of the exhaust pipe 6. The gas first passes through the exhaust pipe 6 and is then discharged through the buffer tube 8. One end of the buffer tube 8 is fixedly connected to a top pipe 9, and the outer surface of the top pipe 9 is slidably connected to a gauze 18, and the outer surface of the gauze 18 is connected to an rubber ring 19. During injection molding, the gauze 18 is wrapped around the outer surface of the top pipe 9 and then fixed with the rubber ring 19 to prevent external impurities from entering the top pipe 9 and contaminating the injection molding material inside.

[0026] See also Figure 4 、 Figure 5 As shown, the outer surface of the top pipe 9 is connected to a block 10, the outer surface of the block 10 is connected to a spring 11, one end of the spring 11 is connected to a floating plate 12, the outer surface of the floating plate 12 is connected to a thin rod 16, one end of the thin rod 16 is connected to a disc 17. When the gap in the cavity gradually decreases, the material injected by the injection tube 7 may overflow the cavity and enter the interior of the exhaust pipe 6. The connection position of the disc 17, the cavity and the exhaust pipe 6 is slightly horizontal. The obstruction of the disc 17 can reduce the volume of the material injected into the exhaust pipe 6, thereby increasing the aesthetics of the mold. When no exhaust is performed, the floating plate 12 contacts the inner wall of the buffer tube 8. The diameter of the floating plate 12 is equal to the diameter of the buffer tube 8, and the floating plate 12 can just slide on the inner wall of the buffer tube 8.

[0027] The outer surface of the floating plate 12 is connected to a telescopic rod 15, one end of which is connected to the outer surface of the block 10. When the air pressure inside the cavity increases, the air inside the cavity will push the floating plate 12 upward, and the floating plate 12 rises to the buffer tube 8. At this time, the spring 11 is compressed, and the compression of the spring 11 drives the telescopic rod 15 to shorten. When the pressure inside the cavity decreases, the spring 11 extends, driving the floating plate 12 back to the inside of the exhaust pipe 6, closing the passage of the exhaust pipe 6, and preventing outside air from entering the inside of the cavity from the exhaust pipe 6.

[0028] The telescopic rod 15 and the hydraulic rod 14 in this application are common electrical devices in the prior art. This application will not elaborate on their models or internal structures, and they can also be replaced by other power sources.

[0029] When the utility model is in use: the second mold block 5 is aligned with the first mold block 13 and pressed down to form a cavity, and then the molding material is injected into the cavity through the injection tube 7. The air pressure inside the cavity increases, and the air inside the cavity will push the floating plate 12 upward. The floating plate 12 slides on the inner wall of the exhaust pipe 6, and the floating plate 12 rises to the buffer tube 8, opening the channel of the exhaust pipe 6. The gas enters the buffer tube 8 from the exhaust pipe 6 and then enters the top tube 9, and is then discharged from the top tube 9 through the gauze 18. When demolding is required, the second mold block 5 is lifted upward by the cylinder 21, and then the hydraulic rod 14 is started. The hydraulic rod 14 drives the first mold block 13 to move upward, so that the first mold block 13 slides on the outer surface of the side plate 4 and detaches from the side plate 4. The first mold block 13 will rise with the mold, which is convenient for demolding the mold.

[0030] The technical principles of the present invention have been described above with reference to specific embodiments. These descriptions are intended solely to illustrate the principles of the present invention and should not be construed in any way as limiting the scope of protection of the present invention. Based on the explanations herein, those skilled in the art will be able to devise other specific embodiments of the present invention without inventive effort, and such embodiments will fall within the scope of protection of the claims of the present invention.

Claims

1. A seamless injection mold for upper and lower shells of a charger, comprising a bottom plate (1), characterized in that: The upper surface of the bottom plate (1) is connected to a support rod (2), the top end of the support rod (2) is connected to an operating panel (3), the upper surface of the operating panel (3) is connected to a side plate (4), the outer surface of the side plate (4) is slidably connected to a second mold block (5), the outer surface of the second mold block (5) is fixedly connected to an exhaust pipe (6), the outer surface of the second mold block (5) is fixedly connected to an injection molding pipe (7), one end of the exhaust pipe (6) is fixedly connected to a buffer pipe (8), one end of the buffer pipe (8) is fixedly connected to a top pipe (9), the outer surface of the top pipe (9) is connected to a blocking block (10), the outer surface of the blocking block (10) is connected to a spring (11), and one end of the spring (11) is connected to a floating plate (12).

2. The seamless injection mold for upper and lower shells of a charger according to claim 1, characterized in that: The outer surface of the side plate (4) is slidably connected to a first mold block (13), the bottom surface of the first mold block (13) is connected to a hydraulic rod (14), the top end of the hydraulic rod (14) slides through the bottom surface of the operating panel (3), and the bottom surface of the hydraulic rod (14) is connected to the upper surface of the bottom plate (1).

3. The seamless injection mold for upper and lower shells of a charger according to claim 1, characterized in that: The outer surface of the floating plate (12) is connected to a telescopic rod (15), and one end of the telescopic rod (15) is connected to the outer surface of the blocking block (10).

4. The seamless injection mold for upper and lower shells of a charger according to claim 1, characterized in that: The outer surface of the floating plate (12) is connected to a thin rod (16), and one end of the thin rod (16) is connected to a disc (17).

5. The seamless injection mold for upper and lower shells of a charger according to claim 1, characterized in that: The outer surface of the top pipe (9) is slidably connected with a gauze (18), and the outer surface of the gauze (18) is connected with a rubber ring (19).

6. The seamless injection mold for upper and lower shells of a charger according to claim 1, characterized in that: The outer surface of the bottom plate (1) is connected to a right-angle plate (20), the outer surface of the right-angle plate (20) is connected to a cylinder (21), and one end of the cylinder (21) is connected to the outer surface of the second mold block (5).

7. The seamless injection mold for upper and lower shells of a charger according to claim 1, characterized in that: There are four support rods (2) in total, which are evenly distributed on the upper surface of the bottom plate (1).

Images