Plastic injection mold with automatic mold opening function

Abstract

The utility model discloses a plastic injection mold with an automatic mold opening function, which belongs to the technical field of injection molding equipment and comprises a workbench, support frames are fixedly connected to two sides of the upper surface of the workbench, mounting frames are fixedly connected to the upper surfaces of the two support frames, threaded lead screws are rotatably connected to the middle ends of the interiors of the two mounting frames, and the threaded lead screws are rotatably connected to the middle ends of the interiors of the two mounting frames. The surfaces of the two threaded lead screws are both sleeved with lifting tables in a threaded mode, an injection molding assembly is fixedly connected between the two lifting tables, a lower mold box is fixedly connected to the middle end of the upper surface of the workbench, and a cooling assembly is arranged in the lower mold box. According to the utility model, the injection molding assembly is arranged to automatically close and open the mold, so that the dependence of manual operation is reduced, the convenience of operation is improved, the cooling assembly is arranged to shorten the cooling time, improve the production efficiency and ensure the uniformity of the cooling effect, and the demolding assembly is arranged to realize the automatic demolding of the mold, so that the production efficiency is improved. And the integrity of the product is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to injection molding equipment technical field especially relates to a plastic injection mold of automatic mold opening. BACKGROUND

[0002] In modern manufacturing industry, plastic products are widely used in automobile, household appliance, medical instrument, consumer electronics and other fields because of its light, durable, low cost and other characteristics, with the continuous growth of market demand, the production efficiency and quality of plastic products become the key factors of enterprise competition.

[0003] Part of the traditional injection mold cooling time is too long, not only affect the production efficiency, but also may lead to product deformation or internal stress is too large, at the same time, part of the traditional injection mold opening, closing and demolding operation needs manual participation, which not only increases the labor intensity of the operator, but also may lead to inconsistent operation, affect product quality, in order to solve the above problems, the utility model provides a plastic injection mold of automatic mold opening. UTILITY MODEL CONTENT

[0004] The utility model discloses a plastic injection mold of automatic mold opening, which can solve the problems of the prior art.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A plastic injection mold of automatic mold opening, including the workbench, the upper surface of both sides of the workbench is fixedly connected with the support frame, the upper surface of two support frames is fixedly connected with the mounting frame, the middle end of two mounting frames is rotatably connected with the threaded lead screw, the surface of two threaded lead screws is threadedly connected with the lifting platform, two lifting platforms are fixedly connected with injection assembly, the middle end of the upper surface of the workbench is fixedly connected with the lower mold box, the inside of the lower mold box is equipped with cooling assembly, the upper end of the lower mold box is provided with the forming groove, the inside of the forming groove is equipped with the demolding assembly.

[0007] As a further improvement of the utility model, the injection assembly includes an upper mold cover fixedly connected between the two lifting platforms, the lower surface of the upper mold cover is fixedly connected with the plastic mold, the middle end of the upper surface of the plastic mold is fixedly connected with the injection port, the two sides of the inside of the upper mold cover are fixedly connected with a plurality of cooling fans.

[0008] As a further improvement of the utility model, the cooling assembly comprises a cooling groove opened in the lower mold box, a cooling water pipe fixedly connected in the cooling groove, a water inlet pipe fixedly connected to the other end of the cooling water pipe, a water outlet pipe fixedly connected to the other end of the cooling water pipe, and a water pump fixedly connected to the other end of the water inlet pipe.

[0009] As a further improvement of the utility model, the demolding assembly comprises a sealing groove opened in the forming groove, and an ejection block movably connected in the sealing groove.

[0010] As a further improvement of the utility model, the upper surface of the two mounting frames is fixedly connected with the same support plate, the middle end of the upper surface of the support plate is fixedly connected with an injection molding machine, the lower end of the injection molding machine is fixedly connected with a telescopic injection molding pipe, and the lower end of the telescopic injection molding pipe is fixedly connected with an injection molding port.

[0011] As a further improvement of the utility model, the inside of the support frame is fixedly connected with a driving motor, the power end of the driving motor is fixedly connected with a threaded screw rod, and the two sides of the lifting platform are both provided with a limiting groove, and the two sides of the inside of the mounting frame are both fixedly connected with a limiting rod matched with the limiting groove.

[0012] The utility model discloses the beneficial effects of:

[0013] By setting the injection molding assembly, when in use, the driving motor is started to drive the threaded screw rod to rotate, the lifting platform is moved up and down, and the closing and opening of the mold are automatically completed, the dependence on manual operation is reduced, the production efficiency and the convenience of operation are improved, the lifting platform driven by the threaded screw rod can accurately control the opening and closing force and position of the mold, the upper mold cover and the lower mold box are accurately closed, and the shaping mold is accurately inserted into the forming groove, so that the quality and size precision of the injection molding product are guaranteed.

[0014] By setting the cooling assembly, when in use, the cooling fan in the upper mold cover and the cooling water pipe in the mold box cooling groove work simultaneously after the injection molding is completed, the upper end and the lower end of the mold are cooled respectively, the double cooling mechanism shortens the cooling time, improves the production efficiency, ensures the uniformity of the cooling effect, and helps to reduce product deformation and internal stress.

[0015] By setting the demolding assembly, when in use, the ejection block is moved in the sealing groove in the forming groove by starting the electric push rod, the automatic ejection and demolding of the mold are realized, the labor intensity of the operator is reduced, the product damage caused by manual demolding is avoided, and the integrity and aesthetic degree of the product are guaranteed.

[0016] In conclusion, the utility model discloses through the design of integrated automation control, accurate mould positioning, high -efficient cooling system and easy demoulding, the overall performance and production efficiency of injection molding equipment are improved significantly, and energy consumption and operation difficulty are reduced simultaneously. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 The utility model discloses a structure diagram of a plastic injection mold of automatic mold opening.

[0018] Figure 2 The utility model discloses a structure diagram of an injection assembly of a plastic injection mold of automatic mold opening.

[0019] Figure 3 The utility model discloses a structure diagram of a cooling assembly of a plastic injection mold of automatic mold opening.

[0020] Figure 4 The utility model discloses a structure diagram of a demolding assembly of a plastic injection mold of automatic mold opening.

[0021] In the drawing: 1 workbench, 2 support frame, 3 mounting frame, 4 threaded screw rod, 5 lifting platform, 6 lower mold box, 7 forming groove, 8 upper mold cover, 9 plastic mold, 10 injection port, 11 cooling fan, 12 cooling groove, 13 cooling water pipe, 14 water inlet pipe, 15 water outlet pipe, 16 water pump, 17 sealing groove, 18 ejection block, 19 electric push rod, 20 support plate, 21 injection molding machine, 22 telescopic injection pipe, 23 drive motor, 24 limit rod. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0023] Referring to Figures 1-4 A plastic injection mold of automatic mold opening, including workbench 1, the both sides of workbench 1 upper surface are all fixedly connected with support frame 2, the upper surface of two support frames 2 is fixedly connected with mounting frame 3, and the middle end in two mounting frames 3 is rotatably connected with threaded screw rod 4, and the surface of two threaded screw rods 4 is all threadedly connected with lifting platform 5, and two lifting platforms 5 are fixedly connected with injection assembly, and the middle end of workbench 1 upper surface is fixedly connected with lower mold box 6, and the inside of lower mold box 6 is equipped with cooling assembly, and the upper end of lower mold box 6 is equipped with forming groove 7, and the inside of forming groove 7 is equipped with demolding assembly.

[0024] The utility model discloses, injection molding assembly includes the upper die cover 8 of fixed connection between two lifting platform 5, the upper die cover 8 can bear the high pressure and high temperature in the injection molding process, ensure the stability and security of mould, the lower surface of upper die cover 8 is fixedly connected with the plastic mould 9, the shape and size of plastic mould 9 are customized according to specific product demand, can satisfy the production demand of different plastic products, the middle end fixedly connected with injection port 10 is formed on the upper surface of plastic mould 9, and the position and size of injection port 10 can ensure that injection molding material can evenly and quickly fill the mould cavity, and the both sides in the inside of upper die cover 8 are fixedly connected with a plurality of cooling fan 11, and cooling fan 11 starts rapidly after injection molding, and forced air cooling is carried out to upper die cover 8 and plastic mould 9, and the cooling process is accelerated.

[0025] Cooling assembly includes the cooling groove 12 of being set up in the inside of lower die box 6, and the design optimization of cooling groove 12 improves the path of cooling water flow, improves the cooling efficiency, and the inside fixedly connected with cooling water pipe 13 of cooling groove 12, and cooling water pipe 13 is made of high heat conduction material, can quickly absorb and take away the heat of mould, and the other end fixedly connected with the water inlet pipe 14 of cooling water pipe 13, and the other end fixedly connected with the water outlet pipe 15 of cooling water pipe 13, and the water inlet pipe 14 and water outlet pipe 15 are used to introduce and discharge cooling water respectively, form circulating cooling system, and the other end fixedly connected with water pump 16 of water inlet pipe 14, and the lower end of water pump 16 is fixedly connected to workbench 1, and water pump 16 provides enough power, ensures that cooling water continuously flows in cooling water pipe 13.

[0026] Demoulding assembly includes the sealing groove 17 of being set up in the inside of forming groove 7, and the design of sealing groove 17 ensures the stability and sealing property of ejector block 18 in the moving process, and the inside movable connection of sealing groove 17 has ejector block 18, and the shape and size of ejector block 18 are matched with forming groove 7, can smoothly eject the plastic product cooled down under the push of electric push rod 19, and the inside fixedly connected with electric push rod 19 of workbench 1, and the telescopic end of electric push rod 19 is fixedly connected to ejector block 18, and electric push rod 19 has the characteristics of accurate control and strong thrust, can satisfy the demoulding demand of plastic product of different sizes and weights.

[0027] The upper surface of two mounting frames 3 is fixedly connected with same support plate 20, and the middle end fixedly connected with injection molding machine 21 is formed on the upper surface of support plate 20, and injection molding machine 21 is the core equipment in the injection molding process, is responsible for injecting the molten plastic material into lower die box 6, and the lower end fixedly connected with telescopic injection tube 22 of injection molding machine 21, and the lower end fixedly connected with injection port 10 of telescopic injection tube 22, and the length of telescopic injection tube 22 can be flexibly adjusted, ensure accurate docking with injection port 10.

[0028] The driving motor 23 is fixedly connected to the power end of the threaded lead screw 4, the threaded lead screw 4 converts the rotary motion of the driving motor 23 into the linear motion of the lifting platform 5, the two sides of the lifting platform 5 are provided with limiting grooves, and the two sides in the mounting frame 3 are fixedly connected with limiting rods 24 matched with the limiting grooves.

[0029] In use, first, the driving motor 23 is started to drive the threaded lead screw 4 to rotate, thereby driving the lifting platform 5 to move up and down, the lifting platform 5 drives the upper mold cover 8 and the plastic mold 9 to move downwards until the upper mold cover 8 is closed with the lower mold box 6, and meanwhile, the plastic mold 9 is inserted into the forming groove 7, the injection molding machine 21 is started to start injection molding through the telescopic injection molding pipe 22 and the injection molding port 10, after the injection molding is completed, the cooling fans 11 in the upper mold cover 8 are started to cool the upper end of the mold, meanwhile, the water pump 16 is connected with the cooling water source, the water pump 16 is started to inject the cooling water into the cooling water pipe 13 in the cooling groove 12 of the lower mold box 6 through the water inlet pipe 14, the cooling water flows out from the water outlet pipe 15 after circulating in the cooling water pipe 13 for one circle and drives the heat of the lower end of the mold, after cooling is completed, the driving motor 23 is started again to drive the upper mold cover 8 and the plastic mold 9 to move upwards, meanwhile, the electric push rod 19 is started to drive the ejection block 18 to move in the sealing groove 17 in the forming groove 7 until the mold cooled completely is ejected to complete demolding.

[0030] The above is only a preferred specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art in the technical range disclosed by the utility model, according to the technical scheme and the utility model concept of the utility model, equivalent replacement or change, should be covered in the protection scope of the utility model.

Claims

1. A plastic injection mold with automatic mold opening, comprising a worktable (1), characterized in that, Both sides of the upper surface of the workbench (1) are fixedly connected with support frames (2), the upper surfaces of the two support frames (2) are fixedly connected with mounting frames (3), the middle ends in the two mounting frames (3) are rotatably connected with threaded lead screws (4), the surfaces of the two threaded lead screws (4) are threadedly sleeved with lifting platforms (5), the two lifting platforms (5) are fixedly connected with injection molding assemblies, the middle end of the upper surface of the workbench (1) is fixedly connected with a lower mold box (6), the inside of the lower mold box (6) is provided with a cooling assembly, the upper end of the lower mold box (6) is provided with a forming groove (7), and the inside of the forming groove (7) is provided with an ejection assembly.

2. A plastic injection mold with automatic mold opening according to claim 1, characterized in that, The injection molding assembly comprises an upper mold cover (8) fixedly connected between the two lifting platforms (5), the lower surface of the upper mold cover (8) is fixedly connected with a plastic mold (9), the middle end of the upper surface of the plastic mold (9) is fixedly connected with an injection port (10), and the two sides in the inside of the upper mold cover (8) are fixedly connected with a plurality of cooling fans (11).

3. A plastic injection mold with automatic mold opening according to claim 1, characterized in that, The cooling assembly comprises a cooling groove (12) formed in the inside of the lower mold box (6), the inside of the cooling groove (12) is fixedly connected with a cooling water pipe (13), the other end of the cooling water pipe (13) is fixedly connected with a water inlet pipe (14), the other end of the cooling water pipe (13) is fixedly connected with a water outlet pipe (15), the other end of the water inlet pipe (14) is fixedly connected with a water pump (16), and the lower end of the water pump (16) is fixedly connected to the workbench (1).

4. The plastic injection mold with automatic mold opening of claim 1, wherein, The ejection assembly comprises a sealing groove (17) formed in the inside of the forming groove (7), the inside of the sealing groove (17) is movably connected with an ejection block (18), the inside of the workbench (1) is fixedly connected with an electric push rod (19), and the telescopic end of the electric push rod (19) is fixedly connected to the ejection block (18).

5. The plastic injection mold with automatic mold opening of claim 2, wherein, The upper surfaces of the two mounting frames (3) are fixedly connected with the same support plate (20), the middle end of the upper surface of the support plate (20) is fixedly connected with an injection molding machine (21), the lower end of the injection molding machine (21) is fixedly connected with a telescopic injection molding pipe (22), and the lower end of the telescopic injection molding pipe (22) is fixedly connected to the injection port (10).

6. The plastic injection mold with automatic mold opening of claim 1, wherein, The inside of the support frame (2) is fixedly connected with a driving motor (23), the power end of the driving motor (23) is fixedly connected to the threaded lead screw (4), the two sides of the lifting platform (5) are provided with limiting grooves, and the two sides in the inside of the mounting frame (3) are fixedly connected with limiting rods (24) matched with the limiting grooves.

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