A conformal water cooling mechanism for injection molds

Abstract

This utility model relates to the technical field of mold cooling mechanisms, specifically to a conformal water cooling mechanism for injection molds. It includes a product-shaped panel, a conformal panel, and conformal pipes. The product-shaped panel and the conformal panel are fixedly installed, and the conformal pipes are fixedly installed between them. The product-shaped panel has a product-shaped surface on the side away from the conformal panel, and a conformal concave surface on the other side of the product-shaped panel corresponding to the product-shaped surface. The conformal convex surface is located on the part of the conformal panel closest to the concave surface. This utility model, through the fitting design of the product-shaped panel and the conformal panel, combined with conventionally machined water channel grooves and prefabricated conformal pipes, achieves conformal cooling that fits the contours of complex plastic parts without relying on metal 3D printing. For traditional mold manufacturers, this reduces equipment investment and material costs. Furthermore, the conformal pipes are detachable, facilitating mold disassembly and repair, water channel maintenance, and reducing operating and maintenance costs.

Description

Technical Field

[0001] This utility model relates to the technical field of mold cooling mechanisms, specifically a conformal water cooling mechanism for injection molds. Background Technology

[0002] In the field of injection molds, conformal cooling technology is widely used to ensure product molding quality and efficiency. The direction and position of the cooling water channels are matched with the shape and wall thickness distribution of the plastic part to achieve uniform and efficient heat dissipation. In the existing technology, traditional machining methods are limited by the rigidity of the tool and the machining path, making it impossible to directly machine irregular conformal water channels that fit the complex plastic part perfectly inside the mold metal. Some companies use metal 3D printing technology to manufacture mold inserts or integral molds with integrated conformal water channels. Although this can achieve precise molding of complex water channels, the equipment investment is large, the material cost is high, the processing efficiency is low, and once the printed internal water channels are blocked or leaked, it is difficult to repair, which increases the use and maintenance costs of the mold.

[0003] Therefore, a conformal water cooling mechanism for injection molds is proposed to solve the problems mentioned above. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides a conformal water cooling mechanism for injection molds. Through the fitting design of the product-shaped panel and the conformal panel, combined with the conventionally machined water channel grooves and prefabricated conformal pipes, conformal cooling that fits the contour of complex plastic parts can be achieved without relying on metal 3D printing. For traditional mold manufacturers, this reduces equipment investment and material costs. Furthermore, the conformal pipes are detachable, facilitating mold disassembly and maintenance, as well as water channel maintenance, thus reducing usage and maintenance costs. This solves the problems mentioned in the background technology.

[0005] To achieve the above objectives, this utility model provides the following technical solution: it includes a product-type panel, a conformal panel, and a conformal pipe, wherein the product-type panel and the conformal panel are fixedly installed, and the conformal pipe is fixedly installed between the product-type panel and the conformal panel;

[0006] The product-shaped panel has a product-shaped surface on the side away from the conformal panel, and the part of the product-shaped panel corresponding to the product-shaped surface on the other side is a conformal concave surface, and the part of the conformal panel close to the conformal concave surface is a conformal convex surface.

[0007] Preferably, the conformal concave surface is smoothly generated after the product surface is offset, the conformal concave surface is consistent with the overall direction of the product surface, and the conformal convex surface fits into the conformal concave surface.

[0008] Preferably, the product panel has a first mounting surface fixedly connected to its side, and the conformal panel has a second mounting surface at a position opposite to the first mounting surface.

[0009] Preferably, a positioning pin is inserted between the first mounting surface and the second mounting surface, and the first mounting surface and the second mounting surface are fixedly connected by bolts.

[0010] Preferably, the conformal panel has a water channel groove on the side near the product panel, and the water channel groove is bent and coiled at the conformal convex surface.

[0011] Preferably, the water channel groove is provided with a conformal pipe, the side of the conformal pipe close to the conformal panel is in contact with the conformal panel, and the other side of the conformal pipe does not extend beyond the water channel groove.

[0012] Preferably, the conformal panel has an inlet and an outlet for a conformal pipe on one side, and the water channel groove has an installation port at both the beginning and end. The two ends of the conformal pipe are fixedly connected to the two installation ports respectively, and the inlet and the outlet are connected to the two installation ports respectively.

[0013] Preferably, the water channel groove is filled with thermally conductive adhesive, and the space between the conformal convex surface and the conformal concave surface is filled with the thermally conductive adhesive.

[0014] Compared with the prior art, this utility model provides a conformal water cooling mechanism for injection molds, which has the following beneficial effects:

[0015] 1. By combining the product-type panel with the conformal panel, along with the water channel grooves and prefabricated conformal pipes that can be machined in a traditional way, conformal cooling that fits the contour of complex plastic parts can be achieved without relying on metal 3D printing. This solves the problem that traditional machining is difficult to make irregular water channels. Without the need for 3D printing, it reduces equipment investment and material costs for traditional mold companies.

[0016] 2. By filling the gaps with thermally conductive adhesive, thermal resistance is reduced, heat dissipation efficiency is improved, and molding quality is ensured. In addition, the conformal pipe adopts a detachable installation method, and with the connection structure of positioning pins and bolts, it is convenient for mold disassembly and maintenance and water circuit maintenance, thus reducing the cost of use and maintenance. Attached Figure Description

[0017] The accompanying drawings, which are included to provide a further understanding of this application and form part of this application, illustrate exemplary embodiments and are used to explain this application, but do not constitute an undue limitation of this application. In the drawings:

[0018] Figure 1 An exploded structural diagram of the conformal water cooling mechanism for injection molds according to this utility model;

[0019] Figure 2 A schematic diagram of the conformal panel and conformal pipe structure provided for the conformal water cooling mechanism of the injection mold of this utility model;

[0020] Figure 3 A schematic diagram of the back structure of the product panel provided for the conformal water cooling mechanism of the injection mold of this utility model;

[0021] Figure 4 A top view of the conformal panel structure provided for the conformal water cooling mechanism of the injection mold of this utility model;

[0022] Figure 5 This is an isometric structural diagram of the conformal water cooling mechanism for injection molds according to this utility model.

[0023] In the diagram: 1. Product-shaped panel; 2. Conformal panel; 3. Conformal pipe; 4. Product-shaped surface; 5. Conformal concave surface; 6. Conformal convex surface; 7. Mounting surface No. 1; 8. Mounting surface No. 2; 9. Locating pin; 10. Bolt; 11. Water channel groove; 12. Inlet; 13. Outlet; 14. Mounting port. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] Example:

[0026] Please see Figure 1 - Figure 5This embodiment of an injection mold conformal water cooling mechanism includes a product-shaped panel 1, a conformal panel 2, and a conformal pipe 3. The product-shaped panel 1 and the conformal panel 2 are fixedly installed, and the conformal pipe 3 is fixedly installed between the product-shaped panel 1 and the conformal panel 2. The product-shaped panel 1 has a product-shaped surface 4 on the side away from the conformal panel 2, and a conformal concave surface 5 on the other side of the product-shaped panel 1 corresponding to the product-shaped surface 4. The conformal panel 2 has a conformal convex surface 6 near the conformal concave surface 5. The product-shaped surface 4 is designed according to the product shape and is used for direct... The conformal concave surface 5 is smoothly generated after offsetting the product surface 4. The conformal concave surface 5 and the product surface 4 have the same overall direction. The conformal convex surface 6 fits into the conformal concave surface 5. The conformal concave surface 5 is generated after offsetting the product surface 4. Because the conformal convex surface 6 and the conformal concave surface 5 have the same shape, in order to facilitate processing and laying conformal pipelines, the detailed parts of the product surface 4 are removed from the conformal concave surface 5. The overall direction is consistent with the product surface 4. The thickness between the conformal concave surface 5 and the product surface 4 is approximately equal, which reduces the processing difficulty and can be processed by conventional machine tools.

[0027] The product panel 1 has a first mounting surface 7 fixedly connected to its side. The conformal panel 2 has a second mounting surface 8 opposite to the first mounting surface 7. A positioning pin 9 is inserted between the first mounting surface 7 and the second mounting surface 8. The first mounting surface 7 and the second mounting surface 8 are fixedly connected by bolts 10. The positioning pin 9 achieves precise alignment, and the bolts 10 achieve a stable connection. The conformal panel 2 has a water channel groove 11 on the side near the product panel 1. The water channel groove 11 bends and coils at the conformal convex surface 6. A conformal pipe 3 is provided in the water channel groove 11. The side of the conformal pipe 3 near the conformal panel 2 fits against the conformal panel 2, and the other side of the conformal pipe 3 does not extend beyond the water channel groove 11. The conformal pipe 3 is a prefabricated bend processed by traditional pipe bending technology.

[0028] The conformal panel 2 has an inlet 12 and an outlet 13 of a conformal pipe 3 on one side. The beginning and end of the water channel groove 11 are provided with mounting ports 14. The two ends of the conformal pipe 3 are fixedly connected to the two mounting ports 14 respectively. The inlet 12 and the outlet 13 are connected to the two mounting ports 14 respectively. The inlet 12 and the outlet 13 are connected to the water pump through pipes. Coolant flows in the conformal pipe 3. Coolant circulation is achieved through the connection of prefabricated pipes and interfaces, replacing the integrated water channel in 3D printing. The water channel groove 11 is filled with thermally conductive adhesive. Thermally conductive adhesive is filled between the conformal convex surface 6 and the conformal concave surface 5. The thermally conductive adhesive is a thermally conductive potting compound. After curing, it forms an elastomer to fill and seal the complex cooling pipes inside the mold, thereby improving the heat dissipation efficiency of the mold. By filling the gaps between mold components, thermal resistance is reduced and heat transfer is accelerated. By using traditionally processed panels, prefabricated pipes and connection methods, combined with the filling of thermally conductive adhesive, conformal cooling without relying on 3D printing is achieved.

[0029] Furthermore, the conformal concave surface 5 removes the details of the product surface 4, making the tool path of traditional milling easier to plan and reducing the precision requirements of the processing equipment. The conformal pipe 3 is fixed through the mounting port 14. Compared with the internal water channels of 3D printing, it can be replaced individually when blockage occurs, reducing maintenance costs. The connection method of the positioning pin 9 and the bolt 10 facilitates the disassembly and assembly of the product panel 1 and the conformal panel 2, solving the problem that the overall mold of 3D printing is difficult to disassemble and repair.

[0030] The working principle of the above embodiment is as follows: the heat generated by the product surface 4 during the molding process is transferred to the product panel 1. The conformal concave surface 5 and the conformal convex surface 6 are bonded together to conduct heat to the conformal panel 2. Coolant supplied by a water pump flows in the conformal pipe 3 in the water channel groove 11. The conformal pipe 3 absorbs heat, and the thermally conductive adhesive fills the gaps to reduce thermal resistance and accelerate heat transfer. Finally, the heat is carried away by the coolant. In use, the first mounting surface 7 and the second mounting surface 8 are aligned by the positioning pin 9, and the product panel 1 and the conformal panel 2 are fixed by the bolt 10 to ensure that the conformal convex surface 6 and the conformal concave surface 5 are tightly bonded. The conformal pipe 3 is installed in the water channel groove 11 and fixed by the mounting port 14, so that both ends are connected to the inlet 12 and the outlet 13 respectively. Thermally conductive adhesive is filled between the water channel groove 11 and the conformal concave and convex surfaces. After curing, the inlet 12 and the outlet 13 are connected to the water pump. The water pump is started to circulate the coolant in the conformal pipe 3 to achieve conformal cooling.

[0031] The installation, connection, or setting methods disclosed in this embodiment are all common mechanical connection methods. As long as they can achieve their beneficial effects, they can be implemented. Therefore, this embodiment will not elaborate on their specific structural composition and working principle.

[0032] If certain terms are used in the specification and claims to refer to specific components, those skilled in the art will understand that hardware manufacturers may use different names to refer to the same component. This specification and claims do not distinguish components based on differences in name, but rather on differences in function. The term "comprising" as used throughout the specification and claims is an open-ended term and should be interpreted as "comprising but not limited to".

[0033] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A conformal water-carrying cooling mechanism for injection molds, characterized by: It includes a product-type panel (1), a conformal panel (2), and a conformal pipe (3), wherein the product-type panel (1) and the conformal panel (2) are fixedly installed, and the conformal pipe (3) is fixedly installed between the product-type panel (1) and the conformal panel (2); The product-shaped panel (1) has a product-shaped surface (4) on the side away from the conformal panel (2), and the part of the product-shaped panel (1) corresponding to the product-shaped surface (4) on the other side is a conformal concave surface (5), and the part of the conformal panel (2) close to the conformal concave surface (5) is a conformal convex surface (6).

2. A conformal water-carrying cooling mechanism for an injection mold according to claim 1, wherein: The conformal concave surface (5) is smoothly generated after the product surface (4) is offset. The conformal concave surface (5) is consistent with the overall direction of the product surface (4). The conformal convex surface (6) fits into the conformal concave surface (5).

3. The conformal water cooling mechanism for injection molds according to claim 1, characterized in that: The product panel (1) has a first mounting surface (7) fixedly connected to its side, and the conformal panel (2) has a second mounting surface (8) at the position opposite to the first mounting surface (7).

4. The conformal water cooling mechanism for injection molds according to claim 3, characterized in that: A positioning pin (9) is inserted between the first mounting surface (7) and the second mounting surface (8), and the first mounting surface (7) and the second mounting surface (8) are fixedly connected by bolts (10).

5. The conformal water cooling mechanism for injection molds according to claim 1, characterized in that: The conformal panel (2) has a water channel groove (11) on the side near the product panel (1), and the water channel groove (11) bends and coils at the conformal convex surface (6).

6. The conformal water cooling mechanism for injection molds according to claim 5, characterized in that: The water channel groove (11) is provided with a conformal pipe (3). The conformal pipe (3) is close to the conformal panel (2) on one side and fits into the conformal panel (2) on the other side. The conformal pipe (3) does not extend beyond the water channel groove (11).

7. A conformal water cooling mechanism for injection molds according to claim 5, characterized in that: The conformal panel (2) has an inlet (12) and an outlet (13) of a conformal pipe (3) on one side. The water channel groove (11) has an installation port (14) at both the beginning and the end. The two ends of the conformal pipe (3) are fixedly connected to the two installation ports (14) respectively. The inlet (12) and the outlet (13) are connected to the two installation ports (14) respectively.

8. The conformal water cooling mechanism for injection molds according to claim 5, characterized in that: The water channel groove (11) is filled with thermally conductive adhesive, and the space between the conformal convex surface (6) and the conformal concave surface (5) is filled with the thermally conductive adhesive.

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