Device for assisting injection molding product demolding of injection molding machine

Abstract

The utility model relates to the technical field of injection molding, and discloses a device for assisting an injection molding machine in demolding an injection product, which comprises an upper mold, a lower mold is slidably connected to the bottom of the upper mold, and a bottom plate is fixedly connected to the bottom of the lower mold. Cooling frames are slidably connected to the left end and the right end of the periphery of the opposite side of the upper mold and the lower mold correspondingly, cooling assemblies are arranged in the middles of the two cooling frames correspondingly, two mounting assemblies are arranged on the front side and the rear side of the interior of each cooling frame correspondingly, a demolding assembly is arranged on the bottom side of the interior of the lower mold, and each cooling assembly comprises a refrigerator. The refrigerator is fixedly connected to the middle of the cooling frame. According to the utility model, the filter plate is mounted through a series of work of the mounting assembly, so that the refrigeration effect can be prevented from being reduced due to the fact that impurity particles and dust in the air are attached to the periphery of the refrigeration pipe, and the demolding plate can move twice through a series of work of the demolding assembly, so that the effect of twice ejection is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of injection molding, in particular to a device for assisting the demolding of injection molded products by an injection molding machine. Background Technique

[0002] Injection molded products by an injection molding machine are formed by heating and plasticizing plastic particles by the injection molding machine and then injecting them into the mold cavity under high pressure for curing. They are widely used in many fields such as electronics, automobiles, and medical treatment. The products have the advantages of high precision, fast production efficiency, and batch production. From daily necessities to complex industrial parts, injection molded products are rich and diverse, meeting the needs of different industries and providing reliable solutions for modern manufacturing;

[0003] The device for assisting the demolding of injection molded products by an injection molding machine is designed to ensure the smooth demolding of injection molded products from the mold. Commonly, there is a thimble system that ejects the product after mold opening; a pneumatic demolding device uses compressed air to apply force; a slider mechanism is used to handle products with side concavities; a rotary demolding mechanism is used for products with special shapes. There is also a demolding agent spraying device to reduce friction. These devices improve production efficiency and quality and reduce the risk of product damage during demolding;

[0004] After the injection molding machine completes injection molding, the existing auxiliary demolding device mainly forms by cooling and solidifying. However, the existing auxiliary demolding device lacks a dust particle filtering structure, so dust and impurities will adhere to the outer periphery of the refrigeration pipe, absorb heat, and make the refrigeration effect poor. Therefore, a device for assisting the demolding of injection molded products by an injection molding machine is proposed to solve the above problems. Content of the Utility Model

[0005] In order to make up for the above deficiencies, the utility model provides a device for assisting the demolding of injection molded products by an injection molding machine, aiming to improve the problem that the existing auxiliary demolding device lacks a structure for filtering dust particles.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] A device for assisting the demolding of injection molded products by an injection molding machine includes an upper mold. The bottom of the upper mold is slidably connected with a lower mold. The bottom of the lower mold is fixedly connected with a bottom plate. The left and right ends of the outer peripheries of the opposite sides of the upper mold and the lower mold are both slidably connected with cooling frames. Cooling components are arranged in the middle of the two cooling frames. Two installation components are arranged on the front and back sides of the interiors of the two cooling frames. A demolding component is arranged on the bottom side of the interior of the lower mold;

[0008] The cooling component includes a refrigerator. The refrigerator is fixedly connected in the middle of the cooling frame. The front and back sides of the refrigerator are both fixedly connected with refrigeration pipes. The front and back sides of the interior of the cooling frame are both fixedly connected with fans. Filter plates are slidably connected to the left sides of the two fans;

[0009] As a further description of the above technical solution:

[0010] The demolding assembly includes a plurality of first electric push rods, the bottoms of the plurality of first electric push rods are fixedly connected to the inner bottom side of the lower mold, a protective shell is fixedly connected to the middle side inside the lower mold, a second electric push rod is fixedly connected to the inside of the protective shell, the top of the second electric push rod is fixedly connected to a top plate, and a demolding plate is slidably connected to the top of the lower mold;

[0011] As a further description of the above technical solution:

[0012] The installation assembly includes a sliding rod, the sliding rod is fixedly connected to the inside of the cooling frame, a plug rod is slidably connected to the outer periphery of the sliding rod, a spring is sleeved on the outer periphery of the plug rod, and one end of the spring is fixedly connected to the inside of the cooling frame;

[0013] As a further description of the above technical solution:

[0014] Moving frames are fixedly connected to opposite sides of the two cooling frames, and the bottoms of the two moving frames are respectively slidably connected to the left and right sides inside the bottom plate;

[0015] As a further description of the above technical solution:

[0016] A chute is formed inside the cooling frame, and the outer periphery of the plug rod is slidably connected to the inside of the chute;

[0017] As a further description of the above technical solution:

[0018] One end of the plug rod is fixedly connected to a dial, and the dial is slidably connected to the inside of the cooling frame;

[0019] As a further description of the above technical solution:

[0020] The outer periphery of the top plate is slidably connected to the inside of the demolding plate;

[0021] As a further description of the above technical solution:

[0022] The end of the plug rod away from the dial is slidably connected to the inside of the filter plate.

[0023] The utility model has the following beneficial effects:

[0024] 1. In the utility model, through a series of operations of the cooling assembly, the injection mold in the lower mold can be quickly cooled, thereby reducing the adhesion to the inner wall of the lower mold and avoiding difficult demolding. By a series of operations of the installation assembly to install the filter plate, it is possible to prevent impurity particles and dust in the air from adhering to the outer periphery of the refrigeration pipe, which would cause the refrigeration effect to decline.

[0025] 2. In the present utility model, during a series of operations of the demolding assembly, the demolding plate can move twice, thereby achieving the effect of ejecting twice, enabling the injection mold to be fully separated from the lower mold and avoiding difficult demolding. Description of the Drawings

[0026] Figure 1 Stereoscopic schematic diagram of a device for assisting in demolding injection-molded products of an injection molding machine proposed by the present utility model;

[0027] Figure 2 Structural schematic diagram of the bottom plate of a device for assisting in demolding injection-molded products of an injection molding machine proposed by the present utility model;

[0028] Figure 3 Structural schematic diagram of the refrigeration pipe of a device for assisting in demolding injection-molded products of an injection molding machine proposed by the present utility model;

[0029] Figure 4 Structural schematic diagram of the filter plate of a device for assisting in demolding injection-molded products of an injection molding machine proposed by the present utility model;

[0030] Figure 5 Structural schematic diagram of the demolding plate of a device for assisting in demolding injection-molded products of an injection molding machine proposed by the present utility model;

[0031] Figure 6 Structural schematic diagram of the insertion rod of a device for assisting in demolding injection-molded products of an injection molding machine proposed by the present utility model.

[0032] Legend Explanation:

[0033] 1. Upper mold; 2. Lower mold; 3. Bottom plate; 4. Moving frame; 5. Cooling frame; 6. Fan; 7. Refrigerator; 8. Refrigeration pipe; 9. Filter plate; 10. Pusher; 11. Slide bar; 12. Spring; 13. Insertion rod; 14. Chute; 15. Demolding plate; 16. Electric push rod one; 17. Demolding assembly; 18. Protective shell; 19. Electric push rod two; 20. Top plate; 21. Cooling assembly; 22. Installation assembly. Detailed Embodiment

[0034] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0035] Refer to Figure 1 - Figure 3, an embodiment provided by the present utility model: a device for assisting in the demolding of injection-molded products of an injection molding machine, including an upper mold 1, the bottom of the upper mold 1 is slidably connected to a lower mold 2, the upper mold 1 and the lower mold 2 are used in cooperation for injection molding. An injection hole is provided in the middle of the upper mold 1 for injection molding. A bottom plate 3 is fixedly connected to the bottom of the lower mold 2. Cooling frames 5 are slidably connected to the left and right ends of the outer periphery of the opposite sides of the upper mold 1 and the lower mold 2. The cooling frames 5 are used to be installed on the outer periphery of the upper mold 1 and the lower mold 2. Cooling components 21 are provided in the middle of the two cooling frames 5. Two mounting components 22 are provided on the front and back sides of the inside of the two cooling frames 5. A demolding component 17 is provided on the bottom side inside the lower mold 2;

[0036] The cooling component 21 includes a refrigerator 7, which is used to provide a refrigerating effect for the refrigerating liquid. The specific model is TEC1-12706. The refrigerator 7 is fixedly connected to the middle of the cooling frame 5. Refrigerating pipes 8 are fixedly connected to the front and back sides of the refrigerator 7. The refrigerating pipes 8 are used to store the refrigerating liquid. Fans 6 are fixedly connected to the front and back sides of the inside of the cooling frame 5. Filter plates 9 are slidably connected to the left sides of the two fans 6. The fans 6 are used to control the air flow so that the cold air moves towards the lower mold 2, while the filter plates 9 are used to provide a filtering effect to prevent dust and impurity particles from entering the cooling frame 5 and adhering to the outer periphery of the refrigerating pipes 8 to absorb the temperature of the refrigerating liquid. Moving frames 4 are fixedly connected to the opposite sides of the two cooling frames 5. The bottoms of the two moving frames 4 are respectively slidably connected to the left and right sides inside the bottom plate 3. The moving frames 4 are used to control the movement of the cooling frames 5, and the moving frames 4 slide inside the bottom plate 3, and the movement of the moving frames 4 is controlled by an electric drive method.

[0037] Refer to Figure 2 , Figure 3 , Figure 5 Refer to

[0038] Refer to Figure 4 - Figure 6, the installation component 22 includes a sliding rod 11. The sliding rod 11 is fixedly connected inside the cooling frame 5. The sliding rod 11 is used to provide the function of guiding the moving direction. A plug rod 13 is slidably connected to the outer periphery of the sliding rod 11. The plug rod 13 is used to provide a limiting function. One end of the plug rod 13 is fixedly connected to a dial 10. The dial 10 is slidably connected inside the cooling frame 5. The dial 10 is fixed to the plug rod 13. When the dial 10 moves, it can drive the plug rod 13 to move. The end of the plug rod 13 away from the dial 10 is slidably connected to the inside of the filter plate 9. One end of the plug rod 13 slides into the inside of the filter plate 9, so as to provide a limiting function for the filter plate 9. A chute 14 is opened inside the cooling frame 5. The outer periphery of the plug rod 13 is slidably connected inside the chute 14. The chute 14 is used to provide a space for the plug rod 13 to slide. A spring 12 is sleeved on the outer periphery of the plug rod 13. One end of the spring 12 is fixedly connected inside the cooling frame 5. The spring 12 is used to provide a reset thrust. The spring 12 is made of 65Mn spring steel.

[0039] Working principle: After the injection molding machine completes injection molding, the two cooling frames 5 are controlled to move towards each other by an electric drive method, so that the two cooling frames 5 are in contact with the outer peripheries of the upper mold 1 and the lower mold 2. Subsequently, the refrigerator 7 is started to make the refrigerant in the refrigeration pipe 8 circulate and refrigerate. Then the fan 6 is started. By controlling the air flow, the cold air generated by the refrigeration pipe 8 moves towards the lower mold 2, so that the injection mold in the lower mold 2 can be quickly cooled and formed under the influence of external cooling, and the adhesion to the lower mold 2 is reduced;

[0040] Subsequently, a plurality of first electric push rods 16 inside the lower mold 2 are started. The first electric push rods 16 control the stripping plate 15 to move upward. The injection mold on the top of the stripping plate 15 will gradually lose contact with the lower mold 2. After the stroke of the first electric push rods 16 reaches the limit, the second electric push rods 19 can be started. The second electric push rods 19 control the top plate 20 to move upward, so that the top plate 20 drives the stripping plate 15 to move upward further. Through two movements, the injection mold is moved to the top of the lower mold 2, and then the injection film can be taken out;

[0041] By moving the dial 10, the dial 10 drives the plug rod 13 to move linearly along the sliding rod 11, and the plug rod 13 will compress the spring 12. After the plug rod 13 slides out of the filter plate 9, the filter plate 9 can be removed from the cooling frame 5 for disassembly and cleaning, so as to avoid difficult air circulation caused by excessive dust accumulation.

[0042] Finally, it should be noted that the above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. An apparatus for assisting in the demolding of injection molded products by an injection molding machine, comprising an upper mold (1), characterized in that: The bottom of the upper mold (1) is slidably connected to the lower mold (2), the bottom of the lower mold (2) is fixedly connected to a bottom plate (3), both the left and right ends of the outer periphery of the opposite sides of the upper mold (1) and the lower mold (2) are slidably connected to cooling frames (5), cooling components (21) are provided in the middle of both cooling frames (5), two mounting components (22) are provided on both the front and rear sides inside both cooling frames (5), and a demolding component (17) is provided on the bottom side inside the lower mold (2). The cooling component (21) includes a refrigerator (7), the refrigerator (7) is fixedly connected to the middle of the cooling frame (5), refrigeration pipes (8) are fixedly connected to both the front and rear sides of the refrigerator (7), fans (6) are fixedly connected to both the front and rear sides inside the cooling frame (5), and filter plates (9) are slidably connected to the left sides of both fans (6).

2. The device for assisting the demolding of injection molded products of an injection molding machine according to claim 1, wherein: The demolding component (17) includes a plurality of first electric push rods (16), the bottoms of the plurality of first electric push rods (16) are fixedly connected to the bottom side inside the lower mold (2), a protective shell (18) is fixedly connected to the middle side inside the lower mold (2), a second electric push rod (19) is fixedly connected to the inside of the protective shell (18), a top plate (20) is fixedly connected to the top of the second electric push rod (19), and a demolding plate (15) is slidably connected to the top of the lower mold (2).

3. The device for assisting in demolding the injection-molded product of an injection molding machine according to claim 1, characterized in that: The mounting component (22) includes a sliding rod (11), the sliding rod (11) is fixedly connected to the inside of the cooling frame (5), a plug rod (13) is slidably connected to the outer periphery of the sliding rod (11), a spring (12) is sleeved on the outer periphery of the plug rod (13), and one end of the spring (12) is fixedly connected to the inside of the cooling frame (5).

4. An apparatus for assisting in the demolding of injection-molded products of an injection molding machine, characterized in that: Moving frames (4) are fixedly connected to the opposite sides of both cooling frames (5), and the bottoms of the two moving frames (4) are respectively slidably connected to the left and right sides inside the bottom plate (3).

5. An apparatus for assisting in the demolding of injection-molded products of an injection molding machine, characterized in that: A chute (14) is opened inside the cooling frame (5), and the outer periphery of the plug rod (13) is slidably connected to the inside of the chute (14).

6. The device for assisting in demolding an injection-molded product of an injection molding machine according to claim 3, characterized in that: One end of the plug rod (13) is fixedly connected to a dial (10), and the dial (10) is slidably connected to the inside of the cooling frame (5).

7. An apparatus for assisting in the demolding of injection-molded products of an injection molding machine, characterized in that: The outer periphery of the top plate (20) is slidably connected to the inside of the demolding plate (15).

8. An apparatus for assisting in the demolding of injection-molded products of an injection molding machine, characterized in that: The end of the plug rod (13) away from the dial (10) is slidably connected to the inside of the filter plate (9).

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