Injection molding shell convenient for mold opening

By setting up an S-shaped heat sink and a circulating cooling system inside the injection molded housing, the problem of slow cooling speed inside the punch is solved, and faster cooling and lower production costs are achieved.

CN223252218UActive Publication Date: 2025-08-22SUZHOU TUOBIFU ELECTRICAL & MOTOR CO LTD
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Patent Information

Application Number
CN202422094561.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-28
Publication Date
2025-08-22
Estimated Expiration
2034-08-28

AI Technical Summary

Technical Problem

When used in the existing injection molding shell that is easy to open, the cooling speed of the injection molding solution inside the mould is not fast, resulting in an increase in production costs.

Method used

By setting an S-shaped heat dissipation tube, liquid inlet hole, liquid outlet hole, heat conduction plate, heat conduction block and heat conduction contact plate inside the injection molded shell, a circulating cooling system is formed, and the condensate is used to take away heat during the circulating flow, thereby increasing the cooling speed inside the mould.

Benefits of technology

The cooling speed of injection molding solution inside the mould is accelerated, production costs are reduced, and the output capacity of the production line is improved.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model discloses an injection molding shell convenient for mold opening. The injection molding shell comprises a lower connecting plate and a lower connecting seat arranged at the upper end of the lower connecting plate, when the injection molding shell convenient for mold opening is used, the lower connecting plate and the upper connecting plate are firstly connected with an injection molding machine, then a plastic solution is injected into the convex mold through the injection molding hole, and then the liquid inlet hole and the liquid outlet hole are connected with external cooling equipment; heat in the male die is transmitted to the heat conduction plate through the heat conduction touch plate and the heat conduction block and then transmitted to the S-shaped heat dissipation pipe, condensate enters the S-shaped heat dissipation pipe through the liquid inlet hole and then flows back to the cooling equipment through the liquid outlet hole, the heat is carried in the circulating flowing process, and therefore the temperature in the male die is reduced, and the cooling efficiency is improved. And by arranging the S-shaped heat dissipation pipe, the liquid inlet hole, the liquid outlet hole, the heat conduction plate, the heat conduction block and the heat conduction touch plate, the cooling speed of an injection molding solution in the male die is increased, the production cost is reduced, and the output capacity of a production line is improved.
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Description

Technical Field

[0001] The utility model belongs to the technical field related to injection-molded housings, and particularly relates to an injection-molded housing that is easy to open a mold. Background Art

[0002] An injection molded shell is a plastic product made by an injection molding process. It usually has light weight, high strength, good insulation properties and beautiful appearance. Injection molded shells are widely used in electronic products, auto parts, medical equipment and other fields. During the production process, the plastic particles are first heated to a molten state, and then injected into the mold by high pressure. After cooling and solidification, the required shell shape is formed. The advantages of injection molded shells include short production cycle, high production efficiency, rich material variety, high product quality, good consistency, strong interchangeability and relatively low cost. The existing injection molded shells that are easy to open the mold are mainly composed of a lower connecting plate, a lower injection molded shell, a lower connecting seat, an upper injection molded shell, an upper connecting plate, an injection hole, a punch, a die, a guide hole, a guide column, and other components. The existing injection molded shells that are easy to open the mold do not cool down the injection solution inside the punch quickly when in use, which will increase the production cost. Therefore, an injection molded shell that is easy to open the mold is indispensable. Utility Model Content

[0003] The purpose of the utility model is to provide an injection molded shell that is easy to open the mold, so as to solve the problem in the above background technology that the injection molding solution in the punch is not cooled quickly during use, which leads to increased production costs.

[0004] To achieve the above purpose, the present invention provides the following technical solutions: an injection molded housing that is easy to open the mold, comprising

[0005] A lower connecting plate and a lower connecting seat provided at an upper end of the lower connecting plate;

[0006] The upper end of the lower connecting seat is connected to a lower injection molded shell, a punch is provided at the middle position of the upper end of the lower injection molded shell, and guide holes are provided inside the lower injection molded shell and at positions around the punch;

[0007] An upper injection molded shell is provided at the upper end of the lower injection molded shell, a concave mold is provided inside the lower injection molded shell and at the outer side of the convex mold, a guide column is connected to the lower end of the lower injection molded shell and at the inner side of the guide hole, an upper connecting plate is connected to the upper end of the upper injection molded shell, and an injection hole is provided at the middle position of the upper end of the upper connecting plate;

[0008] A placement box is installed at the internal position of the lower injection molding shell, and an S-shaped heat dissipation tube is installed at the internal position of the placement box. Liquid inlet holes and liquid outlet holes are respectively provided at the front and rear sides of the right end of the S-shaped heat dissipation tube. A heat conduction plate is installed on the inner side of the placement box and at the upper end of the S-shaped heat dissipation tube. A heat conduction block is connected to the upper end of the heat conduction plate. A spring is installed at the internal position of the heat conduction block, and a heat conduction touch plate is connected to the upper end of the spring. The arrangement of the S-shaped heat dissipation tube, the liquid inlet hole, the liquid outlet hole, the heat conduction plate, the heat conduction block and the heat conduction touch plate accelerates the cooling speed of the injection molding solution inside the punch.

[0009] Preferably, a placement slot is provided inside the lower injection molded shell and outside the placement box, and a plug hole is provided inside the placement box and the right side of the lower injection molded shell and outside the liquid inlet and outlet holes.

[0010] Preferably, a handle is provided at the left side of the placement box, and the handle is embedded in the left outer wall of the placement box.

[0011] Preferably, a T-shaped slider is connected to the lower end of the placement box, and a T-shaped sliding groove is provided below the placement groove and at an outer side of the T-shaped slider.

[0012] Preferably, the T-shaped slider and the T-shaped chute are connected by plugging. The arrangement of the T-shaped slider, the T-shaped chute and the placement groove enhances the convenience of installing the placement box.

[0013] Preferably, a plurality of heat-conducting blocks are provided, and the plurality of heat-conducting blocks are glued to the upper end of the heat-conducting plate.

[0014] Preferably, the heat conducting block, heat conducting plate and heat conducting touch plate are made of silicone rubber material which is mainly composed of organic silica gel and is mixed with polymer materials such as fillers and heat conducting materials.

[0015] Preferably, a groove is provided inside the heat-conducting block and outside the spring, and the groove is connected to the heat-conducting contact plate via the spring.

[0016] Compared with the prior art, the present invention provides an injection molded housing that is easy to open, and has the following beneficial effects:

[0017] The utility model improves an injection molding shell that is easy to open the mold. When using the injection molding shell that is easy to open the mold, the lower connecting plate and the upper connecting plate are first connected to the injection molding machine, and then the plastic solution is injected into the convex mold through the injection hole, and then the liquid inlet hole and the liquid outlet hole are connected to the external cooling equipment. The heat inside the convex mold is transferred to the heat conducting plate through the heat conducting touch plate and the heat conducting block and then to the S-shaped heat dissipation pipe. The condensed liquid enters the S-shaped heat dissipation pipe through the liquid inlet hole and then flows back to the cooling equipment through the liquid outlet hole. In the process of circulating flow, the heat is taken away, thereby reducing the temperature inside the convex mold. Through the arrangement of the S-shaped heat dissipation pipe, the liquid inlet hole, the liquid outlet hole, the heat conducting plate, the heat conducting block and the heat conducting touch plate, the cooling speed of the injection molding solution inside the convex mold is accelerated, the production cost is reduced, and the output capacity of the production line is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the overall structure of the injection molded housing of the utility model, which is convenient for mold opening.

[0019] Figure 2 This is a structural schematic diagram of the side surface of the injection-molded housing for easy mold opening of the utility model.

[0020] Figure 3 This is a structural schematic diagram of the bottom surface of the lower injection molded shell of the utility model which is convenient for mold opening.

[0021] Figure 4 This is a structural schematic diagram of the front view of the injection-molded housing of the utility model for easy mold opening.

[0022] Figure 5 This is an enlarged structural diagram of the injection molding housing placement box for easy mold opening of the utility model.

[0023] Figure 6 This is a schematic structural diagram of the utility model in which the injection molded housing is easy to open and the heat conducting plate is not installed.

[0024] Figure 7 This is a schematic diagram of the enlarged structure of the interior of the heat-conducting block of the injection-molded housing for easy mold opening of the utility model.

[0025] In the figure: 1. Lower connecting plate; 2. Lower connecting seat; 3. Lower injection-molded shell; 4. Upper injection-molded shell; 5. Upper connecting plate; 6. Injection hole; 7. Placement slot; 8. T-shaped slider; 9. Handle; 10. T-shaped slide; 11. Placement box; 12. Punch; 13. Guide hole; 14. Liquid inlet hole; 15. Liquid outlet hole; 16. Guide column; 17. Die; 18. Jack; 19. Thermal contact plate; 20. Thermal plate; 21. S-shaped heat pipe; 22. Thermal block; 23. Spring. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0027] The utility model provides Figure 1-7 The injection molding shell that is easy to open the mold shown is an injection molding shell that is easy to open the mold, comprising a lower connecting plate 1 and a lower connecting seat 2 arranged at the upper end position of the lower connecting plate 1; the upper end position of the lower connecting seat 2 is connected to the lower injection molding shell 3, and a punch 12 is arranged at the middle position of the upper end of the lower injection molding shell 3, and a guide hole 13 is arranged inside the lower injection molding shell 3 and around the punch 12; the upper end position of the lower injection molding shell 3 is provided with an upper injection molding shell 4, and a die 17 is arranged inside the lower injection molding shell 3 and at the outer position of the punch 12, and a guide column 16 is connected to the lower end of the lower injection molding shell 3 and at the inner position of the guide hole 13, and the upper end position of the upper injection molding shell 4 is connected to the upper connecting plate 5, and the upper middle position of the upper end of the upper connecting plate 5 is provided. An injection hole 6 is provided at the placement position; a placement box 11 is installed at the internal position of the lower injection molding shell 3, an S-shaped heat dissipation pipe 21 is installed at the internal position of the placement box 11, and a liquid inlet hole 14 and a liquid outlet hole 15 are respectively provided at the front and rear sides of the right end of the S-shaped heat dissipation pipe 21. A heat conducting plate 20 is installed on the inner side of the placement box 11 and at the upper end position of the S-shaped heat dissipation pipe 21. A heat conducting block 22 is connected to the upper end position of the heat conducting plate 20, and a spring 23 is installed at the internal position of the heat conducting block 22. The upper end position of the spring 23 is connected to the heat conducting touch plate 19. The arrangement of the S-shaped heat dissipation pipe 21, the liquid inlet hole 14, the liquid outlet hole 15, the heat conducting plate 20, the heat conducting block 22 and the heat conducting touch plate 19 accelerates the cooling speed of the injection molding solution inside the punch 12.

[0028] like Figure 1 、 Figure 2 、 Figure 4 、 Figure 5 、 Figure 6 and Figure 7As shown, in order to speed up the cooling rate of the injection molding solution inside the punch 12, when using an injection molding shell that is easy to open the mold, first connect the lower connecting plate 1 and the upper connecting plate 5 to the injection molding machine, and then inject the plastic solution into the punch through the injection hole 6, and then connect the liquid inlet 14 and the liquid outlet 15 to the external cooling equipment. The heat inside the punch 12 is transferred to the heat conducting plate 20 through the thermal contact plate 19 and the heat conducting block 22, and then transferred to the S-shaped heat dissipation pipe 21. The condensate enters the S-shaped heat dissipation pipe 21 through the liquid inlet 14, and then flows back to the cooling equipment through the liquid outlet 15. In the process of circulation, the heat is carried away, thereby reducing the temperature inside the punch 12. Through the arrangement of the S-shaped heat dissipation pipe 21, the liquid inlet 14, the liquid outlet 15, the heat conducting plate 20, the heat conducting block 22 and the thermal contact plate 19, the cooling rate of the injection molding solution inside the punch 12 is accelerated, the production cost is reduced, and the output capacity of the production line is improved.

[0029] A placement groove 7 is provided inside the lower injection molded shell 3 and at the outer side of the placement box 11. A socket 18 is provided inside the right side of the placement box 11 and the lower injection molded shell 3 and at the outer side of the liquid inlet hole 14 and the outlet hole. A handle 9 is provided at the left side of the placement box 11. The handle 9 is embedded in the left outer wall of the placement box 11. A T-shaped slider 8 is connected to the lower end of the placement box 11. A T-shaped slide 10 is provided below the placement groove 7 and at the outer side of the T-shaped slider 8. The T-shaped slider 8 and the T-shaped slide 10 are connected by plugging. The arrangement of the T-shaped slider 8, the T-shaped slide 10 and the placement groove 7 enhances the convenience of installation of the placement box 11.

[0030] like Figure 1 、 Figure 5 and Figure 6 As shown, in order to enhance the convenience of installing the placement box 11, when using an injection molded shell that is easy to open the mold, first insert the S-shaped heat dissipation tube 21 into the inside of the jack 18 through the liquid inlet hole 14 and the liquid outlet hole 15, so that the S-shaped heat dissipation tube 21 is installed inside the placement box 11, and then the placement box 11 is inserted into the inside of the T-shaped slot 10 through the T-shaped slider 8, so that the placement box 11 is installed inside the lower injection molded shell 3. The arrangement of the T-shaped slider 8, the T-shaped slide groove 10 and the placement groove 7 enhances the convenience of installing the placement box 11, thereby facilitating the installation and disassembly of the placement box 11.

[0031] There are multiple heat-conducting blocks 22, which are glued to the upper end of the heat-conducting plate 20. The heat-conducting blocks 22, the heat-conducting plate 20 and the heat-conducting touch plate 19 are mainly made of organic silicone, which is a silicone rubber material mixed by adding fillers, heat-conducting materials and other polymer materials. A groove is provided inside the heat-conducting block 22 and at the outer side of the spring 23. The groove is connected to the heat-conducting touch plate 19 through the spring 23.

[0032] like Figure 1 、 Figure 5 、 Figure 6 and Figure 7 As shown, in order to ensure that heat can be effectively transferred from the punch 12 to the thermal contact plate 19, when using an injection molded shell that is easy to open the mold, the thermal block 22 is first connected to the thermal contact plate 19 through a spring, and then the thermal block 22 is glued to the upper end of the thermal plate 20, and then the S-shaped heat dissipation pipe 21 is installed inside the placement box 11, and then the placement box 11 is installed inside the lower injection molded shell 3. When the placement box 11 enters the interior of the lower injection molded shell 3, the thermal contact plate 19 is lifted upward by the elastic force of the spring 23, so that the thermal contact plate 19 contacts the upper inner wall of the placement groove 7. Through the setting of the spring 23, the thermal contact plate 19 maintains close contact with the upper inner wall of the placement groove 7, thereby ensuring that heat can be effectively transferred from the punch 12 to the thermal contact plate 19.

[0033] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. An injection molded housing that is easy to open, comprising A lower connecting plate (1) and a lower connecting seat (2) arranged at the upper end of the lower connecting plate (1); The upper end of the lower connecting seat (2) is connected to a lower injection molded shell (3), a punch (12) is provided at the middle position of the upper end of the lower injection molded shell (3), and guide holes (13) are provided inside the lower injection molded shell (3) and at positions around the punch (12); An upper injection molded shell (4) is provided at the upper end of the lower injection molded shell (3); a concave mold (17) is provided inside the lower injection molded shell (3) and at an outer position of the convex mold (12); a guide column (16) is connected to the lower end of the lower injection molded shell (3) and at an inner position of the guide hole (13); an upper connecting plate (5) is connected to the upper end of the upper injection molded shell (4); and an injection hole (6) is provided at the middle position of the upper end of the upper connecting plate (5); Its characteristics are: A placement box (11) is installed at an internal position of the lower injection molding shell (3), an S-shaped heat dissipation tube (21) is installed at an internal position of the placement box (11), a liquid inlet hole (14) and a liquid outlet hole (15) are respectively provided at the front and rear sides of the right end of the S-shaped heat dissipation tube (21), a heat conduction plate (20) is installed on the inner side of the placement box (11) and at the upper end position of the S-shaped heat dissipation tube (21), a heat conduction block (22) is connected at the upper end position of the heat conduction plate (20), a spring (23) is installed at an internal position of the heat conduction block (22), and a heat conduction touch plate (19) is connected at the upper end position of the spring (23). By arranging the S-shaped heat dissipation tube (21), the liquid inlet hole (14), the liquid outlet hole (15), the heat conduction plate (20), the heat conduction block (22) and the heat conduction touch plate (19), the cooling speed of the injection molding solution inside the punch (12) is accelerated.

2. The injection molded housing that is easy to open the mold according to claim 1, characterized in that: A placement groove (7) is provided inside the lower injection molded housing (3) and outside the placement box (11); and a plug hole (18) is provided inside the placement box (11) and the right side of the lower injection molded housing (3) and outside the liquid inlet hole (14) and the outlet hole.

3. The injection molded housing that is easy to open the mold according to claim 2, characterized in that: A handle (9) is provided at the left side of the placement box (11), and the handle (9) is embedded in the left outer wall of the placement box (11).

4. The injection molded housing that is easy to open the mold according to claim 3, characterized in that: A T-shaped slider (8) is connected to the lower end of the placement box (11), and a T-shaped sliding groove (10) is provided below the placement groove (7) and at an outer position of the T-shaped slider (8).

5. The injection molded housing that is easy to open the mold according to claim 4, characterized in that: The T-shaped slider (8) and the T-shaped chute (10) are connected by plugging. The arrangement of the T-shaped slider (8), the T-shaped chute (10) and the placement groove (7) enhances the convenience of installing the placement box (11).

6. The injection molded housing that is easy to open the mold according to claim 1, characterized in that: A plurality of the heat-conducting blocks (22) are provided, and the plurality of heat-conducting blocks (22) are glued to the upper end of the heat-conducting plate (20).

7. The injection molded housing that is easy to open the mold according to claim 6, characterized in that: The heat conducting block (22), the heat conducting plate (20) and the heat conducting touch plate (19) are silicone rubber materials mainly made of organic silica gel and mixed with polymer materials such as fillers and heat conducting materials.

8. The injection molded housing that is easy to open the mold according to claim 7, characterized in that: A groove is provided inside the heat-conducting block (22) and outside the spring (23), and the groove is connected to the heat-conducting contact plate (19) via the spring (23).