Plastic mold with cooling structure

Abstract

The utility model relates to the field of plastic molds, and discloses a plastic mold with a cooling structure, the plastic mold comprises an upper mold, a lower mold and a supporting seat, the top of the supporting seat is fixedly connected with a lower mold base, one end of the lower mold base is fixedly connected with a mounting frame, the bottom of the lower mold base is movably provided with a top frame, and the top of the lower mold base is fixedly connected with the lower mold; a limiting rod is fixedly connected to the top of the lower mold base on the periphery of the lower mold, an upper mold base is movably installed on the periphery of the limiting rod, cooling fins are fixedly connected to the interiors of the upper mold and the lower mold, cooling pipes are fixedly connected to the interiors of the cooling fins, and cooling holes are formed in the cooling fins on the inner sides of the cooling pipes. Through cooperative use of the cooling fins, the cooling pipes, the mounting frame and the top frame, a worker can be assisted to cool the upper mold, the lower mold and a workpiece in multiple modes at the same time, the worker can cool the workpiece and the mold more efficiently according to requirements, and more use requirements are met.

Description

Technical Field

[0001] This application relates to the technical field of plastic molds, and particularly relates to a plastic mold with a cooling structure. Background Technique

[0002] A plastic mold is a tool for producing plastic products. By heating and melting plastic raw materials and injecting them into the mold cavity, the products are cooled and solidified to form products with a predetermined shape. It usually consists of a fixed part and a movable part of the mold, and is used to achieve the molding of different shapes and details. Plastic molds are widely used in the manufacture of various plastic products, such as containers, automotive parts, and household appliance parts, and have the characteristics of high-efficiency production, good repeatability, and high precision.

[0003] Currently, due to the lack of multiple cooling structures and various cooling methods in related plastic molds, after the workpiece is processed, only one cooling method can be carried out, and it is impossible to cool the workpiece and the mold more efficiently according to requirements. Utility Model Content

[0004] In order to solve the problems raised in the above background technique, this application provides a plastic mold with a cooling structure.

[0005] The plastic mold with a cooling structure provided by this application adopts the following technical solutions:

[0006] A plastic mold with a cooling structure includes an upper mold, a lower mold, and a support seat. The top of the support seat is fixedly connected with a lower mold base. One end of the lower mold base is fixedly connected with a mounting frame. The bottom of the lower mold base is movably installed with a top frame. The top of the lower mold base is fixedly connected with a lower mold. The inner parts of the lower mold and the lower mold base are both provided with ejector holes. The top of the lower mold base around the lower mold is fixedly connected with a limiting rod. The periphery of the limiting rod is movably installed with an upper mold base. The bottom of the upper mold base is fixedly connected with an upper mold. The inner parts of the upper mold and the lower mold are both fixedly connected with heat sinks. The inside of the heat sink is fixedly connected with a cooling pipe. The inside of the heat sink on the inner side of the cooling pipe is provided with heat dissipation holes.

[0007] First, connect and fix an external pushing device to the upper die holder. Use the external pushing device to push the upper die holder downward so that the upper die and the lower die are engaged. Introduce the injection liquid into the interior of the lower die, causing the injection liquid to form and solidify within the injection groove formed between the upper die and the lower die. The heat sink can rapidly absorb the heat of the upper die, the lower die, and the workpiece. Fix and install an external blowing device on the mounting bracket using bolts, and direct the external blowing device to blow air onto the upper die and the lower die, causing the air to carry away the heat of the heat sink. The provision of heat dissipation holes enables the heat sink to dissipate heat more quickly. After injection molding is completed, introduce an external coolant into the structure and the cooling pipe. The heat of the heat sink can be transferred to the cooling pipe. When the coolant circulates within the cooling pipe, it can quickly exchange heat with the cooling pipe, achieving auxiliary heat dissipation and cooling for the upper die, the lower die, and the workpiece. After the top frame ejects the workpiece, wait for a period of time before removing the workpiece, and further perform natural air cooling on the workpiece again.

[0008] Preferably, a limiting block is fixedly connected to the inner side wall of the support seat, and the top frame is fitted with the limiting block.

[0009] The limiting block can guide and limit the movement direction of the top frame, enhancing the stability effect of the top frame's movement.

[0010] Preferably, a fixing member is fixedly connected to the top of the upper die holder, and a bolt hole is provided inside the fixing member.

[0011] Connect the external pushing device to the fixing member, and then screw an external bolt into the structure between the fixing member and the external pushing device and pass through the bolt hole, thereby fixing the external pushing device to the fixing member to push the upper die holder.

[0012] Preferably, a flange is fixedly connected to one side of the cooling pipe, and an insertion hole is provided inside the flange.

[0013] Connect the external coolant inlet pipe to the flange, and then screw an external bolt into the structure between the external coolant inlet pipe and the flange and pass through the insertion hole, thereby fixing and connecting the external coolant inlet pipe to the cooling pipe.

[0014] Preferably, a limiting ring is movably installed at the top of the limiting rod, and the limiting ring is threadedly connected to the limiting rod.

[0015] The limiting ring can block the upper die holder, limit the movement range of the upper die holder, and prevent the upper die holder from detaching from the limiting rod. Unscrew the limiting ring to pull out and disassemble the upper die for maintenance.

[0016] In summary, the present application includes the following beneficial technical effects:

[0017] Through the settings of the heat sink, cooling pipes, mounting brackets, top brackets, and heat dissipation holes, it is possible to assist workers in simultaneously performing liquid cooling, air cooling, and natural cooling on the workpiece and the mold, dissipating heat from the upper mold, lower mold, and workpiece in multiple ways, facilitating workers to more efficiently cool the workpiece and the mold according to requirements, and meeting more usage needs. Brief Description of the Drawings

[0018] Figure 1 is the overall three-dimensional view of the application embodiment;

[0019] Figure 2 is the partial structural schematic diagram of the top bracket and the support seat of the application embodiment;

[0020] Figure 3 is the partial structural schematic diagram of the upper mold and the mounting bracket of the application embodiment;

[0021] Figure 4 is the partial structural schematic diagram of the lower mold and the ejection hole of the application embodiment.

[0022] Description of the Reference Numerals: 1, fixing member; 2, limiting rod; 201, limiting ring; 3, upper mold base; 4, cooling pipe; 401, flange; 5, upper mold; 6, lower mold; 601, ejection hole; 7, mounting bracket; 8, top bracket; 9, support seat; 901, limiting block; 10, lower mold base; 11, heat sink; 1101, heat dissipation hole. Detailed Description of the Embodiment

[0023] The following will Figures 1-4 further describe the present application in detail.

[0024] The embodiment of the present application discloses a plastic mold with a cooling structure. Referring to Figures 1-4 , a plastic mold with a cooling structure includes an upper mold 5, a lower mold 6, and a support seat 9. A lower mold base 10 is fixedly connected to the top of the support seat 9. A top bracket 8 is movably installed at the bottom of the lower mold base 10. An upper mold 6 is fixedly connected to the top of the lower mold base 10. Ejection holes 601 are provided inside both the lower mold 6 and the lower mold base 10. A limiting rod 2 is fixedly connected to the top of the lower mold base 10 outside the periphery of the lower mold 6. An upper mold base 3 is movably installed around the limiting rod 2. An upper mold 5 is fixedly connected to the bottom of the upper mold base 3. Workers connect and fix an external pushing device to the upper mold base 3, and use the external pushing device to push the upper mold base 3 downward. The upper mold base 3 drives the upper mold 5 downward. The limiting rod 2 can guide and limit the movement of the upper mold base 3, so that the upper mold 5 is engaged with the lower mold 6. An injection liquid inlet is provided at the front end of the lower mold 6. Workers inject the injection liquid into the inside of the lower mold 6, so that the injection liquid is formed inside the injection groove formed between the upper mold 5 and the lower mold 6.

[0025] One end of the lower die base 10 is fixedly connected with a mounting frame 7. Heat sinks 11 are fixedly connected inside both the upper die 5 and the lower die 6. A cooling pipe 4 is fixedly connected inside the heat sink 11. Heat dissipation holes 1101 are provided inside the heat sink 11 on the inner side of the cooling pipe 4. Both the heat sink 11 and the cooling pipe 4 are made of heat-dissipating copper material. The heat sink 11 can quickly absorb the heat of the upper die 5, the lower die 6 and the workpiece. There are multiple groups of heat sinks 11, and there is a certain gap between each heat sink 11, so that air can penetrate through the heat sink 11. Multiple fixing screw holes are provided on the mounting frame 7. Workers can use bolts to fixedly install an external blowing device on the mounting frame 7, so that after the external blowing device is connected to the power supply, it blows air to the upper die 5 and the lower die 6, and the air takes away the heat of the heat sink 11. The setting of the heat dissipation holes 1101 enables the heat sink 11 to dissipate heat faster. After injection molding is completed, an external coolant can be introduced into the structure and the cooling pipe 4, and the heat of the heat sink 11 can be transferred to the cooling pipe 4. When the coolant circulates inside the cooling pipe 4, it can quickly exchange heat with the cooling pipe 4, realizing auxiliary heat dissipation and cooling of the upper die 5, the lower die 6 and the workpiece. Install an external pushing device at the bottom of the top frame 8. When discharging is required, first pull the upper die base 3 to reset, so that the upper die 5 and the lower die 6 are separated, push the top frame 8 to rise, and the top frame 8 penetrates through the ejector hole 601 to push the workpiece to rise, so that the workpiece is separated from the lower die 6, completing auxiliary discharging. The workpiece can be taken out after a certain period of time, and the workpiece can be further air-cooled naturally again.

[0026] Refer to Figure 1 , a limiting block 901 is fixedly connected to the inner side wall of the support seat 9, and the top frame 8 is fitted with the limiting block 901. The limiting block 901 can guide and limit the moving direction of the top frame 8, improving the stability effect of the movement of the top frame 8.

[0027] Refer to Figure 1 , a fixing part 1 is fixedly connected to the top of the upper die base 3, and a bolt hole is provided inside the fixing part 1. Connect an external pushing device to the fixing part 1, and then screw an external bolt into the structure between the external pushing device and the fixing part 1 and penetrate through the bolt hole, then the external pushing device can be fixed to the fixing part 1 to push the upper die base 3.

[0028] Refer to Figure 1 , a flange 401 is fixedly connected to one side of the cooling pipe 4, and an insertion hole is provided inside the flange 401. Connect an external coolant inlet pipe to the flange 401, and then screw an external bolt into the structure between the external coolant inlet pipe and the flange 401 and penetrate through the insertion hole, then the external coolant inlet pipe can be fixedly connected to the cooling pipe 4.

[0029] Refer to Figure 3, a limit ring 201 is movably installed at the top of the limit rod 2, and the limit ring 201 is threadedly connected to the limit rod 2. The limit ring 201 can block the upper die base 3 and limit the movement range of the upper die base 3 to prevent the upper die base 3 from separating from the limit rod 2. Unscrewing the limit ring 201 allows the upper mold 5 to be pulled out for maintenance.

[0030] The implementation principle of a plastic mold with a cooling structure in an embodiment of this application is as follows: First, connect and fix an external pushing device to the upper die base 3, and use the external pushing device to push the upper die base 3 downward so that the upper mold 5 is engaged with the lower mold 6. Inject the injection liquid into the interior of the lower mold 6 so that the injection liquid forms and solidifies within the injection groove formed between the upper mold 5 and the lower mold 6. The heat sinks 11 can quickly absorb the heat of the upper mold 5, the lower mold 6, and the workpiece. Fix an external blowing device to the mounting bracket 7 using bolts, and direct the external blowing device to blow air onto the upper mold 5 and the lower mold 6 so that the air takes away the heat of the heat sinks 11. The provision of the heat dissipation holes 1101 enables the heat sinks 11 to dissipate heat more quickly. After injection molding, connect an external coolant introduction structure to the cooling pipes 4. The heat of the heat sinks 11 can be transferred to the cooling pipes 4. When the coolant circulates within the cooling pipes 4, it can quickly exchange heat with the cooling pipes 4, thereby assisting in dissipating heat from the upper mold 5, the lower mold 6, and the workpiece. Install the external pushing device at the bottom of the top frame 8. When discharging is required, push the top frame 8 upward. The top frame 8 passes through the ejector hole 601 to push the workpiece upward, causing the workpiece to separate from the lower mold 6. After a certain period of time, the workpiece is taken out, allowing the workpiece to be naturally air-cooled on the top of the lower mold 6.

[0031] Finally, several points should be noted: First, in the description of this application, it should be noted that unless otherwise specified and limited, the terms "installation", "connection", and "coupling" should be understood in a broad sense. It can be a mechanical connection or an electrical connection, or it can be the internal communication of two components. It can be directly connected. The terms "upper", "lower", "left", "right", etc. are only used to represent relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

[0032] Second: In the attached drawings of the disclosed embodiments of this utility model, only the structures related to the disclosed embodiments are involved. Other structures can refer to the general design. Without conflict, the same embodiment and different embodiments of this utility model can be combined with each other;

[0033] Finally: The above description is only a preferred embodiment of this utility model and is not used to limit this utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of this utility model shall be included within the protection scope of this utility model.

[0034] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereby. Therefore, all equivalent changes made according to the structure, shape, and principle of the present application shall be covered within the protection scope of the present application.

Claims

1. A plastic mold with a cooling structure, comprising an upper mold (5), a lower mold (6) and a support seat (9), characterized in that: The top of the support seat (9) is fixedly connected to a lower die seat (10), one end of the lower die seat (10) is fixedly connected to a mounting frame (7), the bottom of the lower die seat (10) is movably mounted with a top frame (8), the top of the lower die seat (10) is fixedly connected to a lower die (6), the lower die (6) and the lower die seat (10) are both provided with a top material hole (601), the top of the lower die seat (10) outside the lower die (6) is fixedly connected to a limiting rod (2), the periphery of the limiting rod (2) is movably mounted with an upper die seat (3), the bottom of the upper die seat (3) is fixedly connected to an upper die (5), the interiors of the upper die (5) and the lower die (6) are both fixedly connected with a heat sink (11), the interior of the heat sink (11) is fixedly connected to a cooling pipe (4), and the heat sink (11) inside the cooling pipe (4) is provided with a heat dissipation hole (1101).

2. A plastic mold with a cooling structure according to claim 1, characterized in that: A limiting block (901) is fixedly connected to the inner side wall of the support seat (9), and the top frame (8) is embedded in the limiting block (901).

3. The plastic mold with a cooling structure according to claim 1, characterized in that: A fixing piece (1) is fixedly connected to the top of the upper die seat (3), and a bolt hole is provided inside the fixing piece (1).

4. The plastic mold with a cooling structure according to claim 1, characterized in that: A flange (401) is fixedly connected to one side of the cooling pipe (4), and a plug hole is provided inside the flange (401).

5. The plastic mold with a cooling structure according to claim 1, characterized in that: A limiting ring (201) is movably mounted on the top of the limiting rod (2), and the limiting ring (201) is threadedly connected to the limiting rod (2).

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