Injection mold easy to demold

Abstract

The utility model relates to an easily demoulded injection mould capable of adjusting ejection strength, in particular to an easily demoulded injection mould which comprises a base, four supporting columns are fixedly connected to the four corners of the upper surface of the base respectively, the upper surfaces of the supporting columns are fixedly connected with the lower surface of a top plate, and an air cylinder is installed on the upper surface of the top plate. The telescopic end of the air cylinder is fixedly connected with the upper surface of the upper die, a lower die is installed on the upper surface of the base, a plurality of inserting holes are symmetrically formed in the lower surface of the inner wall of the lower die, air is exhausted into a flow dividing pipe, an air inlet pipe and a connecting cylinder through an air pump, an ejection block is ejected by air flow in the connecting cylinder, and the ejection strength of the ejection block is controlled by controlling the exhaust air pressure of the air pump; the ejection block moves upwards to drive the telescopic end of the spring rod to move upwards, after the ejection block ejects the injection molding part, the spring rod drives the ejection block to retract downwards into the insertion hole, and the problem that the injection molding product subjected to cooling molding is not prone to being taken out of the mold cavity is solved.

Description

Technical Field

[0001] The utility model relates to an easy-to-demold injection mold, in particular to an easy-to-demold injection mold with adjustable ejection strength. Background Art

[0002] Injection molding, also known as injection molding, is a molding method that combines injection and molding. The advantages of the injection molding method are fast production speed, high efficiency, automated operation, a wide variety of colors, shapes from simple to complex, sizes from large to small, and precise product size. The product is easy to update and can be made into complex-shaped parts. Injection molding is suitable for mass production and complex-shaped products and other molding processing fields. The mold required for injection molding is the injection mold.

[0003] After the injection molding is completed, the molded product is not easy to be removed from the mold cavity after cooling, which can easily cause great inconvenience to the user and greatly reduce the processing efficiency of the injection mold. Utility Model Content

[0004] In order to solve the problems raised in the above background technology, the utility model provides an easy-to-release injection mold.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an easy-to-demold injection mold, comprising a base, four support columns are fixedly connected at the four corners of the upper surface of the base, the upper surface of the support columns is fixedly connected to the lower surface of the top plate, a cylinder is installed on the upper surface of the top plate, the telescopic end of the cylinder is fixedly connected to the upper surface of the upper mold, a lower mold is installed on the upper surface of the base, a plurality of jacks are symmetrically opened on the lower surface of the inner wall of the lower mold, a water tank is fixedly connected to the lower surface of the base, a water supply component is arranged on the right side of the water tank, and a temperature guide box is installed on the right side of the water tank;

[0006] The inner wall of the socket groove is slidably connected with a top block, the lower surface of the top block is slidably connected to the inner wall of the connecting tube, the lower surface of the connecting tube is fixedly connected to the lower surface of the inner wall of the socket, the front side of the connecting tube is connected to one end of the air inlet pipe, the other end of the air inlet pipe is connected to the back side of the diverter pipe through the front side of the inner wall of the socket, the right end of the diverter pipe is connected to the air inlet end of the air pump, the air pump is installed on the front side of the lower mold, the left and right side surfaces of the inner wall of the socket are respectively fixed with two sliding cylinders, the lower surface of the inner wall of the sliding cylinder is fixed with a spring rod, and the telescopic end of the spring rod is fixedly connected to the lower surface of the top block.

[0007] Preferably, a water pump is installed on the right side of the water tank, the water pumping end of the water pump is connected to the right side of the water tank through a water pumping pipe, the discharge end of the water pump is connected to the right side of the water inlet pipe through a connecting pipe, and both ends of the water inlet pipe are respectively connected to the right sides of the upper mold and the lower mold.

[0008] Preferably, the left side surfaces of the upper mold and the lower mold are respectively connected to one end of a drain pipe, and the lower surface of the drain pipe is connected to the upper surface of the water tank through a return pipe.

[0009] Preferably, a semiconductor refrigeration sheet is installed on the left side of the inner wall of the temperature conduction box, and a heat dissipation fan is installed on the heat dissipation end of the semiconductor refrigeration sheet.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] The utility model exhausts air into the shunt pipe, the air inlet pipe and the connecting tube through an air pump, the airflow in the connecting tube lifts up the top block, and the strength of lifting the top block is controlled by controlling the exhaust air pressure of the air pump. The top block moves upward to drive the telescopic end of the spring rod to move upward, and after the top block pushes out the injection molded part, the spring rod drives the top block to shrink downward into the insertion hole, thereby solving the problem that the injection molded product after cooling and molding is difficult to be taken out of the mold cavity.

[0012] The utility model uses a semiconductor refrigeration sheet to cool the water in the water tank through a temperature conduction box, a water pump draws the water in the water tank and discharges it into a water inlet pipe through a connecting pipe, and then discharges it into the inner cavities of the lower mold and the upper mold through the water inlet pipe, and the cold water in the inner cavities of the upper mold and the lower mold accelerates the cooling of the injection molded parts and improves the discharge speed. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

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

[0015] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model in the front view;

[0016] Figure 3 It is an enlarged structural schematic diagram of A in the utility model;

[0017] Figure 4 It is a three-dimensional structural schematic diagram of the air supply mechanism in the utility model;

[0018] In the figure: 1. base; 2. support column; 3. top plate; 4. cylinder; 5. upper die; 6. lower die; 7. water tank;

[0019] Water supply components: 81, water pump; 82, water pumping pipe; 83, connecting pipe; 84, water inlet pipe;

[0020] 9. Drain pipe; 10. Return pipe; 11. Socket; 12. Top block; 13. Connecting tube; 14. Inlet pipe; 15. Sliding tube; 16. Spring rod; 17. Air pump; 18. Diverter pipe; 19. Temperature conduction box; 20. Cooling fan; 21. Semiconductor cooling sheet. DETAILED DESCRIPTION

[0021] 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.

[0022] Example

[0023] See also Figure 1-4 The utility model provides the following technical solutions: an easy-to-demold injection mold, comprising a base 1, four support columns 2 are fixedly connected at the four corners of the upper surface of the base 1, the upper surface of the support columns 2 is fixedly connected to the lower surface of the top plate 3, a cylinder 4 is installed on the upper surface of the top plate 3, the telescopic end of the cylinder 4 is fixedly connected to the upper surface of the upper mold 5, a lower mold 6 is installed on the upper surface of the base 1, and a plurality of jacks 11 are symmetrically opened on the lower surface of the inner wall of the lower mold 6, a water tank 7 is fixedly connected to the lower surface of the base 1, a water supply component is arranged on the right side of the water tank 7, and a temperature guide box 19 is installed on the right side of the water tank 7;

[0024] The inner wall of the groove of the socket 11 is slidably connected with a top block 12, the lower surface of the top block 12 is slidably connected to the inner wall of the connecting tube 13, the lower surface of the connecting tube 13 is fixedly connected to the lower surface of the inner wall of the socket 11, the front of the connecting tube 13 is connected to one end of the air inlet pipe 14, the other end of the air inlet pipe 14 passes through the front of the inner wall of the socket 11 and is connected to the back of the diverter pipe 18, the right end of the diverter pipe 18 is connected to the air inlet end of the air pump 17, and the air pump 17 is installed on the front of the lower mold 6, the left and right side surfaces of the inner wall of the socket 11 are respectively fixedly connected to two slide cylinders 15, the lower surface of the inner wall of the slide cylinder 15 is fixedly connected to a spring rod 16, and the telescopic end of the spring rod 16 is fixedly connected to the lower surface of the top block 12.

[0025] Specifically, the inner wall of the slot of the jack 11 is slidably connected with a top block 12, the lower surface of the top block 12 is slidably connected with the inner wall of the connecting tube 13, the lower surface of the connecting tube 13 is fixedly connected with the lower surface of the inner wall of the jack 11, the front of the connecting tube 13 is connected with one end of the air inlet pipe 14, the other end of the air inlet pipe 14 passes through the front of the inner wall of the jack 11 and is connected with the back of the shunt pipe 18, the right end of the shunt pipe 18 is connected with the air inlet end of the air pump 17, and the air pump 17 is installed on the front of the lower mold 6;

[0026] The air pump 17 exhausts air into the air inlet pipe 14 and the connecting tube 13 through the shunt pipe 18. The airflow in the connecting tube 13 lifts the top block 12. By controlling the exhaust air pressure of the air pump 17, the lifting strength of the top block 12 is controlled.

[0027] Specifically, two slide cylinders 15 are fixedly connected to the left and right sides of the inner wall of the insertion hole 11, and a spring rod 16 is fixedly connected to the lower surface of the inner wall of the slide cylinder 15, and the telescopic end of the spring rod 16 is fixedly connected to the lower surface of the top block 12;

[0028] The upward movement of the top block 12 drives the telescopic end of the spring rod 16 to move upward. After the top block 12 ejects the injection molded part, the spring rod 16 drives the top block 12 to retract downward into the insertion hole 11.

[0029] Specifically, a water pump 81 is installed on the right side of the water tank 7, the water pumping end of the water pump 81 is connected to the right side of the water tank 7 through a water pumping pipe 82, the liquid discharge end of the water pump 81 is connected to the right side of the water inlet pipe 84 through a connecting pipe 83, and the two ends of the water inlet pipe 84 are respectively connected to the right sides of the upper mold 5 and the lower mold 6;

[0030] The water pump 81 draws water from the water tank 7 and discharges it into the water inlet pipe 84 through the connecting pipe 83, and then discharges it into the inner cavities of the lower mold 6 and the upper mold 5 through the water inlet pipe 84. The cold water in the inner cavities of the upper mold 5 and the lower mold 6 accelerates the cooling of the injection molded parts and improves the discharge speed.

[0031] Specifically, the left sides of the upper mold 5 and the lower mold 6 are respectively connected to one end of the drain pipe 9, and the lower surface of the drain pipe 9 is connected to the upper surface of the water tank 7 through the return pipe 10;

[0032] The water after absorbing heat returns to the water tank 7 through the drain pipe 9 and the return pipe 10 for recycling.

[0033] Specifically, a semiconductor cooling sheet 21 is installed on the left side of the inner wall of the temperature conducting box 19, and a cooling fan 20 is installed on the heat dissipation end of the semiconductor cooling sheet 21;

[0034] The semiconductor cooling sheet 21 cools the water in the water tank 7 through the temperature conduction box 19 , and the heat dissipation fan 20 dissipates heat from the semiconductor cooling sheet 21 .

[0035] The working principle and use process of this utility model:

[0036] The utility model, when in use:

[0037] The semiconductor refrigeration sheet 21 cools the water in the water tank 7 through the temperature conduction box 19, and the water pump 81 draws the water in the water tank 7 and discharges it into the water inlet pipe 84 through the connecting pipe 83, and then discharges it into the inner cavity of the lower mold 6 and the upper mold 5 through the water inlet pipe 84. The cold water in the inner cavity of the upper mold 5 and the lower mold 6 accelerates the cooling of the injection molded parts, and the water after absorbing heat returns to the water tank 7 through the drain pipe 9 and the return pipe 10 for recycling. After the injection molded parts are cooled, the air pump 17 exhausts air to the air inlet pipe 14 and the connecting tube 13 through the shunt pipe 18, and the airflow in the connecting tube 13 lifts the top block 12. By controlling the exhaust air pressure of the air pump 17, the lifting strength of the top block 12 is controlled. The top block 12 moves upward to drive the telescopic end of the spring rod 16 to move upward. After the top block 12 ejects the injection molded part, the spring rod 16 drives the top block 12 to shrink downward into the socket 11.

[0038] The circuits, electronic components and modules involved are all prior art and can be fully implemented by those skilled in the art. Needless to say, the content protected by this utility model does not involve improvements to software and methods.

[0039] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An easy-to-release injection mold, comprising a base (1), characterized in that: Four support columns (2) are fixedly connected at the four corners of the upper surface of the base (1), the upper surface of the support columns (2) is fixedly connected to the lower surface of the top plate (3), the upper surface of the top plate (3) is installed with a cylinder (4), the telescopic end of the cylinder (4) is fixedly connected to the upper surface of the upper mold (5), the upper surface of the base (1) is installed with a lower mold (6), the lower surface of the inner wall of the lower mold (6) is symmetrically provided with a plurality of plug holes (11), the lower surface of the base (1) is fixedly connected with a water tank (7), the right side surface of the water tank (7) is provided with a water supply component, and the right side surface of the water tank (7) is installed with a temperature conduction box (19); The inner wall of the slot of the jack (11) is slidably connected with a top block (12), the lower surface of the top block (12) is slidably connected with the inner wall of the connecting tube (13), the lower surface of the connecting tube (13) is fixedly connected with the lower surface of the inner wall of the jack (11), the front of the connecting tube (13) is connected with one end of the air inlet pipe (14), the other end of the air inlet pipe (14) passes through the front of the inner wall of the jack (11) and is connected with the back of the shunt pipe (18), the right end of the shunt pipe (18) is connected with the air inlet end of the air pump (17), the air pump (17) is installed on the front of the lower mold (6), the left and right side surfaces of the inner wall of the jack (11) are respectively fixedly connected with two slide cylinders (15), the lower surface of the inner wall of the slide cylinder (15) is fixedly connected with a spring rod (16), the telescopic end of the spring rod (16) is fixedly connected to the lower surface of the top block (12).

2. The easy-to-release injection mold according to claim 1, characterized in that: A water pump (81) is installed on the right side of the water tank (7); the water pumping end of the water pump (81) is connected to the right side of the water tank (7) through a water pumping pipe (82); the liquid discharge end of the water pump (81) is connected to the right side of a water inlet pipe (84) through a connecting pipe (83); and both ends of the water inlet pipe (84) are respectively connected to the right sides of the upper mold (5) and the lower mold (6).

3. The easy-to-release injection mold according to claim 2, characterized in that: The left sides of the upper mold (5) and the lower mold (6) are respectively connected to one end of a drainage pipe (9), and the lower surface of the drainage pipe (9) is connected to the upper surface of the water tank (7) through a return pipe (10).

4. The easy-to-release injection mold according to claim 1, characterized in that: A semiconductor refrigeration sheet (21) is installed on the left side of the inner wall of the temperature conduction box (19), and a heat dissipation fan (20) is installed at the heat dissipation end of the semiconductor refrigeration sheet (21).

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