Plastic mold cooling mechanism

Abstract

The utility model belongs to the technical field of plastic mold cooling, and discloses a plastic mold cooling mechanism which comprises a fixed mold and a movable mold, a liquid cooling head is arranged on one side of the movable mold, a plastic molding machine is provided with a cooling liquid cylinder and a heat dissipation cold row, and the liquid cooling head, the cooling liquid cylinder and the heat dissipation cold row are mutually connected in a sealed mode through a plurality of groups of liquid cooling pipes. A liquid cooling cavity is formed in the liquid cooling head, cooling liquid is stored in the cooling liquid cylinder, a liquid pump is arranged at the bottom in the cooling liquid cylinder, the cooling radiator comprises a structural frame, multiple sets of cooling fins, a spiral heat exchange pipe and a cooling fan set, and a liquid inlet hole of the cooling head is in sealed connection with a liquid outlet of the liquid cylinder through a liquid cooling pipe. The liquid cylinder liquid inlet is in sealed connection with the cold head liquid outlet through the liquid cooling pipe, the cold head liquid inlet is in sealed connection with the cold head liquid outlet through the liquid cooling pipe, the plastic mold cooling device is compact and reasonable in structural design, heat at the position of a movable mold of a plastic mold can be guided out to an open position through cooling liquid, heat dissipation and cooling are conducted through air cooling, and the cooling efficiency is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of plastic mould cooling, specifically to a plastic mould cooling mechanism. BACKGROUND

[0002] In the field of modern industrial manufacturing, plastic occupies an important position due to its unique performance advantages. Plastic, also known as plastic, is a material with high molecular weight organic polymer as the main component, which has many characteristics such as light weight, corrosion resistance, good insulation, easy processing and molding. Based on these characteristics, plastic is widely used in automobile, electronics, construction, medical, packaging and other industries. From daily necessities to high-end technology products, plastic products can be seen everywhere.

[0003] Plastic mould is the key tool for producing plastic products. It injects molten plastic material into the cavity through a specific cavity structure, and then cools and solidifies to obtain the required shape and size accuracy of the plastic material. The design and manufacturing precision of the plastic mould directly affect the quality, production efficiency and cost of the plastic product.

[0004] Cooling the plastic mould has great significance and many advantages. First, effective cooling can significantly shorten the molding cycle of plastic products. After the plastic is injected into the mold cavity, rapid cooling promotes the rapid solidification of the plastic, so that the mold can be removed faster, improving production efficiency and reducing production cost. Second, uniform and moderate cooling helps to improve the quality of plastic products. It can reduce stress concentration in the product, avoid defects such as deformation and cracking caused by uneven cooling, and ensure the size accuracy and surface quality of the product. In addition, good cooling can also prolong the service life of the mould. Stable temperature environment can reduce the wear and fatigue of the mould due to thermal expansion and contraction, and reduce the frequency of mould repair and replacement.

[0005] However, in the actual application of plastic mould, the problem of small space in product forming area often arises, which greatly hinders heat dissipation and cooling. In the product forming area, due to the complexity of the structure design, the space left for the cooling system is very limited. The narrow space limits the layout and size of the cooling device, making it difficult to effectively expand the heat dissipation area. This makes it difficult for heat to be dissipated in time and evenly. UTILITY MODEL CONTENTS

[0006] (I) Technical problems solved

[0007] In view of the shortcomings of the prior art, the utility model provides a plastic mould cooling mechanism to solve the problem of small space in plastic mould forming area affecting heat dissipation and cooling.

[0008] (II) Technical solutions

[0009] In order to achieve the above-mentioned purpose, the utility model provides technical schemes as follows: a plastic mold cooling mechanism, including fixed mould and movable mould, one side of movable mould is provided with liquid cooling head, cooling liquid cylinder and heat dissipation cold row are provided on plastic forming machine, liquid cooling head, cooling liquid cylinder and heat dissipation cold row are mutually sealedly connected through multiple groups of liquid cooling pipes.

[0010] Preferably, the movable mould is provided with a first fixing lug, the liquid cooling head is provided with a second fixing lug corresponding to the first fixing lug, a liquid cooling cavity is formed in the liquid cooling head, and a cooling head liquid inlet hole and a cooling head liquid outlet hole are arranged on the liquid cooling head and communicated with the liquid cooling cavity.

[0011] Preferably, the cooling liquid cylinder stores cooling liquid, a liquid pump is arranged at the bottom of the cooling liquid cylinder, a liquid cylinder liquid inlet is arranged at the top of the cooling liquid cylinder and communicated with the inside, a liquid cylinder liquid outlet is arranged at the bottom end of the cooling liquid cylinder and communicated with the inside, and the output end of the liquid pump is sealingly connected with the liquid cylinder liquid outlet at the bottom.

[0012] Preferably, the heat dissipation cold row comprises a structural frame, multiple groups of heat dissipation fins, spiral heat exchange pipes and a heat dissipation fan group, the multiple groups of heat dissipation fins are arranged in the structural frame, the spiral heat exchange pipes are arranged in the multiple groups of heat dissipation fins, the heat dissipation fins and the spiral heat exchange pipes are provided with the heat dissipation fan group on one side, and the two ends of the spiral heat exchange pipes are arranged as a cold row liquid inlet and a cold row liquid outlet on one side of the heat dissipation cold row.

[0013] Preferably, sealing interfaces are arranged at the ends of the cooling head liquid inlet hole, the cooling head liquid outlet hole, the liquid cylinder liquid inlet, the liquid cylinder liquid outlet, the cold row liquid inlet and the cold row liquid outlet, sealing joints are arranged at the two ends of the liquid cooling pipe, the cooling head liquid inlet hole is sealingly connected with the liquid cylinder liquid outlet through the liquid cooling pipe, the liquid cylinder liquid inlet is sealingly connected with the cold row liquid outlet through the liquid cooling pipe, and the cold row liquid inlet is sealingly connected with the cooling head liquid outlet hole through the liquid cooling pipe.

[0014] (Three) beneficial effects

[0015] Compared with the prior art, the utility model provides a plastic mold cooling mechanism, which has the following beneficial effects:

[0016] 1. The plastic mold cooling mechanism is provided with a liquid cooling head, a cooling liquid cylinder and a heat dissipation cold row, and can use cooling liquid to guide the heat of the movable mould of the plastic mold to an open place for heat dissipation by air cooling, so that the cooling efficiency is high.

[0017] 2. The liquid cooling head can absorb the heat of the movable mould by using low-temperature cooling liquid, thereby cooling the plastic mold, and the liquid has good heat conduction performance and can quickly transfer the heat of the movable mould, so that the cooling effect is good.

[0018] 3、 Set up with cold row, cold row is placed in the position that space is bigger, utilize cold row can carry out air cooling cooling to the cooling liquid of heat absorption, can conduct heat to the position that space is bigger and carry out heat dissipation cooling. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is whole structure schematic diagram of the utility model;

[0020] Figure 2 It is liquid cooling head structure schematic diagram of the utility model;

[0021] Figure 3 It is cooling liquid cylinder structure schematic diagram of the utility model;

[0022] Figure 4 It is radiating cold row structure schematic diagram of the utility model;

[0023] Figure 5 It is radiating cold row structure schematic diagram of the utility model;

[0024] Figure 6 It is liquid cooling pipe structure schematic diagram of the utility model.

[0025] In the drawing: 1, fixed mould;2, movable mould;3, first fixed lug;4, liquid cooling head;5, cooling liquid cylinder;6, radiating cold row;7, liquid cooling pipe;8, liquid cooling cavity;9, second fixed lug;10, liquid pump;11, radiating fin;12, spiral heat exchange pipe;13, radiating fan group;14, sealed interface;15, sealed joint;16, cold head liquid inlet hole;17, cold head liquid outlet hole;18, liquid cylinder liquid inlet;19, liquid cylinder liquid outlet;20, cold row liquid inlet;21, cold row liquid outlet. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be described clearly and completely 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, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative work belong to the scope of protection of the utility model.

[0027] Please refer to Figures 1-6 The utility model provides a technical scheme:

[0028] A plastic mould cooling mechanism, including fixed mould 1 and movable mould 2, one side of movable mould 2 is provided with liquid cooling head 4, and the plastic forming machine is provided with cooling liquid cylinder 5 and radiating cold row 6, and liquid cooling head 4, cooling liquid cylinder 5 and radiating cold row 6 are sealedly connected with each other through multiple groups of liquid cooling pipes 7.

[0029] Further, the first fixed ear 3 is arranged on the movable die 2, the second fixed ear 9 corresponding to the first fixed ear 3 is arranged on the liquid cooling head 4, the liquid cooling cavity 8 is arranged in the liquid cooling head 4, the cooling head liquid inlet hole 16 and the cooling head liquid outlet hole 17 communicating with the liquid cooling cavity 8 are arranged on the liquid cooling head 4. The cooling liquid enters the liquid cooling cavity 8 of the liquid cooling head 4 through the cooling head liquid inlet hole 16. When the movable die 2 is used for plastic molding, the heat generated is transferred to the movable die 2, the cooling liquid in the liquid cooling cavity 8 rapidly absorbs the heat, effectively reduces the temperature of the movable die 2, and ensures the molding quality of the plastic product. The temperature of the cooling liquid after absorbing heat rises, and then flows out from the cooling head liquid outlet hole 17.

[0030] Further, the cooling liquid is stored in the cooling liquid cylinder 5, the liquid pump 10 is arranged at the bottom of the cooling liquid cylinder 5, the liquid cylinder liquid inlet hole 18 communicating with the inside is arranged at the top of the cooling liquid cylinder 5, the liquid cylinder liquid outlet hole 19 communicating with the inside is arranged at the bottom end of the cooling liquid cylinder 5, and the output end of the liquid pump 10 is sealingly connected with the liquid cylinder liquid outlet hole 19 at the bottom. The liquid pump 10 in the cooling liquid cylinder 5 is started to pump out the cooling liquid stored in the cylinder from the bottom, through the liquid cylinder liquid outlet hole 19, to the liquid cooling head 4 through the liquid cooling pipe 7. This process starts the circulation of the cooling liquid, providing power source for mold cooling.

[0031] Further, the heat dissipation cold row 6 comprises a structural frame, a plurality of heat dissipation fins 11, a spiral heat exchange pipe 12 and a heat dissipation fan group 13, the plurality of heat dissipation fins 11 are arranged in the structural frame, the spiral heat exchange pipe 12 is arranged in the plurality of heat dissipation fins 11, the heat dissipation fins 11 and the spiral heat exchange pipe 12 are provided with the heat dissipation fan group 13 on one side, and the two ends of the spiral heat exchange pipe 12 are arranged as the cold row liquid inlet hole 20 and the cold row liquid outlet hole 21 on one side of the heat dissipation cold row 6. The high-temperature cooling liquid enters the spiral heat exchange pipe 12 of the heat dissipation cold row 6 through the liquid cooling pipe 7. The heat dissipation fan group 13 of the heat dissipation cold row 6 operates to generate airflow to blow through the heat dissipation fins 11 and the spiral heat exchange pipe 12. When the cooling liquid flows in the spiral heat exchange pipe 12, the heat is transferred to the heat dissipation fins 11, and then taken away by the airflow to realize the cooling of the cooling liquid.

[0032] Further, the sealing interface 14 is arranged at the end of the cooling head liquid inlet hole 16, the cooling head liquid outlet hole 17, the liquid cylinder liquid inlet hole 18, the liquid cylinder liquid outlet hole 19, the cold row liquid inlet hole 20 and the cold row liquid outlet hole 21, the sealing joint 15 is arranged at the two ends of the liquid cooling pipe 7, the cooling head liquid inlet hole 16 and the liquid cylinder liquid outlet hole 19 are sealingly connected through the liquid cooling pipe 7, the liquid cylinder liquid inlet hole 18 and the cold row liquid outlet hole 21 are sealingly connected through the liquid cooling pipe 7, and the cold row liquid inlet hole 20 and the cooling head liquid outlet hole 17 are sealingly connected through the liquid cooling pipe 7. The cooling liquid enters the liquid cooling head 4 from the cooling liquid cylinder 5 to dissipate heat for the movable die, the cooling liquid after absorbing heat flows to the heat dissipation cold row 6 to dissipate heat by wind power, the cooling liquid after heat dissipation returns to the cooling liquid cylinder 5, and the circulation is repeated.

[0033] Working principle: when using the device, the cooling liquid cylinder 5 plays a key role in storage and supply. The cylinder stores cooling liquid, and the liquid pump 10 at the bottom starts to work, which pumps the cooling liquid from the bottom of the cooling liquid cylinder 5 and delivers it to the liquid cooling head 4 through the liquid cylinder outlet 19 and the liquid cooling pipe 7. The cooling head inlet hole 16 on the liquid cooling head 4 is connected with the liquid cylinder outlet 19 through the sealed liquid cooling pipe 7, which ensures that the cooling liquid does not leak. The cooling liquid enters the liquid cooling cavity 8 in the liquid cooling head 4, which is on the side of the movable mold 2 and can cool the movable mold 2 in all directions. During the molding process of the plastic by the movable mold 2, the heat generated by the plastic is transferred to the movable mold 2, and the cooling liquid flowing in the liquid cooling cavity 8 quickly absorbs the heat, so that the temperature of the movable mold 2 is maintained within a suitable range, ensuring the molding quality of the plastic product. After absorbing heat, the cooling liquid flows out of the liquid cooling head 4 through the cooling head outlet hole 17. The high-temperature cooling liquid flowing out of the cooling head outlet hole 17 flows to the heat dissipation cooling rack 6 through the liquid cooling pipe 7. The heat dissipation cooling rack 6 is the core component of the cooling system. The cooling liquid enters the spiral heat exchange pipe 12 through the cooling rack inlet 20, and the spiral heat exchange pipe 12 is surrounded by a plurality of heat dissipation fins 11, and at the same time, the heat dissipation fan group 13 on one side starts to work. The strong airflow generated by the fan group 13 blows through the heat dissipation fins 11 and the spiral heat exchange pipe 12, accelerating the dissipation of heat. When the high-temperature cooling liquid flows in the spiral heat exchange pipe 12, the heat is transferred to the heat dissipation fins 11 through the pipe wall, and then the airflow blown by the heat dissipation fan group 13 carries away the heat, so that the temperature of the cooling liquid is greatly reduced. After being cooled by the heat dissipation cooling rack 6, the low-temperature cooling liquid flows out of the cooling rack outlet 21 and returns to the cooling liquid cylinder 5 through the liquid cooling pipe 7. The liquid cylinder inlet 18 at the top of the cooling liquid cylinder 5 is sealingly connected with the cooling rack outlet 21, and the cooling liquid enters the cooling liquid cylinder 5 through the liquid cylinder inlet 18, completing a complete cycle. Thus, the cooling liquid continuously circulates and continuously cools the movable mold 2, ensuring that the plastic mold operates stably in a high-efficiency cooling environment and realizes high-quality and high-efficiency production of plastic products.

[0034] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A plastic mold cooling mechanism, comprising a fixed mold (1) and a moving mold (2), characterized in that: A liquid cooling head (4) is provided on one side of the moving mold (2), and a coolant cylinder (5) and a heat dissipation radiator (6) are provided on the plastic molding machine. The liquid cooling head (4), coolant cylinder (5) and heat dissipation radiator (6) are connected to each other in a sealed manner through multiple sets of liquid cooling pipes (7).

2. The plastic mold cooling mechanism according to claim 1, characterized in that: The moving mold (2) is provided with a first fixing ear (3), and the liquid cooling head (4) is provided with a second fixing ear (9) corresponding to the first fixing ear (3). The liquid cooling head (4) is provided with a liquid cooling cavity (8), and the liquid cooling head (4) is provided with a liquid inlet hole (16) and a liquid outlet hole (17) communicating with the liquid cooling cavity (8).

3. The plastic mold cooling mechanism according to claim 2, characterized in that: The coolant cylinder (5) stores coolant. A liquid pump (10) is installed at the bottom of the coolant cylinder (5). A liquid inlet (18) communicating with the interior is installed at the top of the coolant cylinder (5). A liquid outlet (19) communicating with the interior is installed at the bottom of the coolant cylinder (5). The output end of the liquid pump (10) is sealed to the liquid outlet (19) at the bottom.

4. The plastic mold cooling mechanism according to claim 3, characterized in that: The heat dissipation radiator (6) includes a structural frame, multiple sets of heat dissipation fins (11), a spiral heat exchange tube (12), and a heat dissipation fan assembly (13). Multiple sets of heat dissipation fins (11) are arranged in the structural frame, and spiral heat exchange tubes (12) are arranged in the multiple sets of heat dissipation fins (11). A heat dissipation fan assembly (13) is arranged on one side of the heat dissipation fins (11) and the spiral heat exchange tubes (12). The two ends of the spiral heat exchange tubes (12) are located on one side of the heat dissipation radiator (6) as the radiator inlet (20) and the radiator outlet (21).

5. A plastic mold cooling mechanism according to claim 4, characterized in that: The cold head liquid inlet (16), cold head liquid outlet (17), liquid cylinder inlet (18), liquid cylinder outlet (19), radiator liquid inlet (20), and radiator liquid outlet (21) are all provided with sealing interfaces (14). Both ends of the liquid cooling pipe (7) are provided with sealing joints (15). The cold head liquid inlet (16) and liquid cylinder outlet (19) are sealed and connected by the liquid cooling pipe (7). The liquid cylinder inlet (18) and radiator liquid outlet (21) are sealed and connected by the liquid cooling pipe (7). The radiator liquid inlet (20) and cold head liquid outlet (17) are sealed and connected by the liquid cooling pipe (7).

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