Rapid cooling injection mold for automobile wire harness sheath

Abstract

The utility model discloses a quick cooling injection mold for an automobile wire harness sheath, which belongs to the technical field of injection molds and comprises a lower mold and an upper mold, the upper mold is arranged on the upper side of the lower mold, a forming groove is arranged at the top end of the lower mold, an injection nozzle is arranged between the upper end and the lower end of the upper mold and corresponds to the forming groove, and a lower cooling pipe is fixedly connected in the lower mold. A lower cooling pipe is fixedly connected into the upper mold and located on the outer side of the forming groove, an upper cooling pipe is fixedly connected into the upper mold and located on the outer side of the injection nozzle, one side end of the lower mold and one side end of the upper mold are fixedly connected with connectors, the two connectors are fixedly connected to one end of the lower cooling pipe and one end of the upper cooling pipe correspondingly, and the top end of the lower mold is fixedly connected with a lower connector; according to the automobile wire harness sheath cooling device, the lower cooling pipe and the upper cooling pipe are designed to surround the forming groove and the injection nozzle, the cooling efficiency and uniformity of the automobile wire harness sheath are guaranteed, meanwhile, the lower cooling pipe and the upper cooling pipe are communicated to form a water path, and subsequent maintenance is facilitated through the water path.

Description

Technical Field

[0001] This utility model relates to the field of injection mold technology, and more specifically, to a rapid cooling injection mold for automotive wiring harness sheaths. Background Technology

[0002] Automotive wiring harness sheaths are important components in automotive wiring harness systems. They are used to protect the wiring harnesses inside the vehicle, ensuring that the harnesses can function properly in the complex automotive environment and improving the reliability and safety of the automotive electrical system.

[0003] Currently, automotive wiring harness sheaths are typically made of plastic and are generally manufactured using injection molds. Molten plastic is injected into a plastic product mold under pressure, and then cooled and solidified to form the automotive wiring harness sheath. To accelerate the cooling and solidification of the automotive wiring harness sheath, a cooling water pipe is installed inside the injection mold. The circulating water in the cooling water pipe carries away the heat from the mold, achieving rapid cooling. However, most existing injection molds require multiple water cooling pipes to ensure efficient and uniform cooling of the automotive wiring harness sheath, resulting in a complex water system structure and inconvenient subsequent maintenance. Utility Model Content

[0004] 1. Technical problems to be solved

[0005] In view of the problems existing in the prior art, the purpose of this utility model is to provide a rapid cooling injection mold for automotive wiring harness sheaths. It aims to solve the problem that in order to ensure the efficiency and uniformity of cooling of automotive wiring harness sheaths, the injection mold in the prior art needs to lay multiple water cooling pipes inside the injection mold, which is not only complex in structure, but also inconvenient for subsequent maintenance.

[0006] 2. Technical Solution

[0007] To solve the above problems, the present invention adopts the following technical solution:

[0008] A rapid cooling injection mold for automotive wiring harness sheaths includes a lower mold and an upper mold. The upper mold is located above the lower mold. A molding groove is formed at the top of the lower mold. An injection nozzle is provided between the upper and lower ends of the upper mold, and the injection nozzle corresponds to the molding groove. A lower cooling pipe is fixedly connected inside the lower mold and is located outside the molding groove. An upper cooling pipe is fixedly connected inside the upper mold and is located outside the injection nozzle. Connectors are fixedly connected to one side of both the lower and upper molds, and the two connectors are respectively fixedly connected to one end of the lower and upper cooling pipes. A lower connector is fixedly connected to the top of the lower mold and is fixedly connected to the other end of the lower cooling pipe. An upper connector is fixedly connected to the bottom of the upper mold and is fixedly connected to the other end of the upper cooling pipe and matches the lower connector. A connecting mechanism is provided inside the lower and upper connectors, which is used to achieve rapid connection and closure between the lower and upper connectors.

[0009] In a preferred embodiment of this utility model, the connecting mechanism includes a fixed ring, a top rod, a sealing plate, a spring, and a fixed post. The fixed ring is fixedly connected to the inner circumference of the upper connector. The top rod is slidably connected inside the upper connector and moves through the fixed ring. The sealing plate is fixedly connected to the circumferential surface of the top rod and corresponds to the fixed ring. The spring is sleeved on the circumferential surface of the top rod and is located between the top of the sealing plate and the top wall of the upper connector. The fixed post is fixedly connected to the bottom wall of the lower connector and corresponds to the top rod.

[0010] In a preferred embodiment of this utility model, a sealing ring is fixedly connected to the end of the fixing ring and the sealing sheet that are close to each other, and the two sealing rings correspond to each other.

[0011] As a preferred embodiment of this utility model, a sealing ring is fixedly connected to the inner circumference of the lower connector, and the sealing ring corresponds to the upper connector.

[0012] As a preferred embodiment of this utility model, a guide post is fixedly connected to the top of the lower mold, and a positioning groove is provided at the bottom of the upper mold, with the guide post matching the positioning groove.

[0013] 3. Beneficial effects

[0014] Compared with existing technologies, the advantages of this utility model are:

[0015] (1) In this solution, the lower mold and the upper mold are closed, so that the molten plastic is injected into the molding tank through the injection nozzle and cooled to form the automotive wiring harness sheath. During the injection molding process, the lower connector and the upper connector are automatically connected through the connecting mechanism, so that the lower cooling pipe and the upper cooling pipe are connected. The lower cooling pipe and the upper cooling pipe are designed to surround the molding tank and the injection nozzle to ensure the efficiency and uniformity of cooling the automotive wiring harness sheath. At the same time, the connection between the lower cooling pipe and the upper cooling pipe forms a water channel, which facilitates subsequent maintenance. Attached Figure Description

[0016] Figure 1 This is the front view of the present invention;

[0017] Figure 2 This is a cross-sectional view of the present invention;

[0018] Figure 3 In this utility model Figure 2 Enlarged view of point A;

[0019] Figure 4 This is a diagram of the internal structure of the present invention;

[0020] Figure 5 In this utility model Figure 4 Exploded view;

[0021] Figure 6 This is a structural diagram of the push rod in this utility model.

[0022] Explanation of the labels in the diagram:

[0023] 1. Lower mold; 2. Upper mold; 3. Molding groove; 4. Injection nozzle; 5. Lower cooling pipe; 6. Upper cooling pipe; 7. Connector; 8. Lower connector; 9. Upper connector; 101. Retaining ring; 102. Ejector rod; 103. Sealing plate; 104. Spring; 105. Retaining post; 11. Sealing ring; 12. Sealing ring; 13. Guide post; 14. Positioning groove. Detailed Implementation

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

[0025] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "top / bottom," etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0026] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," "sleeved / connected," "connected," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0027] Example:

[0028] Please see Figure 1-6 A rapid cooling injection mold for automotive wiring harness sheaths includes a lower mold 1 and an upper mold 2. The upper mold 2 is located above the lower mold 1. A molding groove 3 is provided at the top of the lower mold 1. An injection nozzle 4 is provided between the upper and lower ends of the upper mold 2, and the injection nozzle 4 corresponds to the molding groove 3. A lower cooling pipe 5 is fixedly connected inside the lower mold 1, and the lower cooling pipe 5 is located outside the molding groove 3. An upper cooling pipe 6 is fixedly connected inside the upper mold 2, and the upper cooling pipe 6 is located outside the injection nozzle 4. A connector 7 is fixedly connected to one side of both the lower mold 1 and the upper mold 2, and the two connectors 7 are respectively fixedly connected to one end of the lower cooling pipe 5 and the upper cooling pipe 6. A lower connector 8 is fixedly connected to the top of the lower mold 1, and the lower connector 8 is fixedly connected to the other end of the lower cooling pipe 5. An upper connector 9 is fixedly connected to the bottom of the upper mold 2, and the upper connector 9 is fixedly connected to the other end of the upper cooling pipe 6 and matches the lower connector 8. A connecting mechanism is provided inside the lower connector 8 and the upper connector 9, which is used to realize rapid connection and closure between the lower connector 8 and the upper connector 9.

[0029] In this embodiment, the lower cooling pipe 5 and the upper cooling pipe 6 are connected to an external cooling water circulation system via two connectors 7. The connector 7 connected to the upper cooling pipe 6 is the water inlet, and the connector 7 connected to the lower cooling pipe 5 is the water outlet. During injection molding of the automotive wiring harness sheath, the lower mold 1 and the upper mold 2 close, allowing the molten plastic to be injected into the molding groove 3 through the injection nozzle 4. Simultaneously, through the closing of the lower mold 1 and the upper mold 2, the upper connector 9 and the lower connector 8 are correspondingly inserted. The connecting mechanism opens the upper connector 9 to connect with the lower connector 8, thereby allowing the lower cooling pipe 5 and the upper cooling pipe 6 to communicate with each other. The cooling pipes 6 are connected, and the external cooling water circulation system makes the cooling water flow in the lower cooling pipe 5 and the upper cooling pipe 6 through two connectors 7, which flow around the injection nozzle 4 and the molding groove 3, accelerating the cooling and molding of the automotive wiring harness sheath in the molding groove 3. After the automotive wiring harness sheath is cooled and molded, the lower mold 1 and the upper mold 2 open to remove the automotive wiring harness sheath. At the same time, the upper connector 9 and the lower connector 8 move away from each other, and the connecting mechanism automatically closes the upper connector 9, canceling the connection between the lower cooling pipe 5 and the upper cooling pipe 6 to prevent cooling water leakage.

[0030] Specifically, the connecting mechanism includes a fixed ring 101, a push rod 102, a sealing plate 103, a spring 104, and a fixed post 105. The fixed ring 101 is fixedly connected to the inner circumference of the upper connector 9. The push rod 102 is slidably connected to the upper connector 9 and moves through the fixed ring 101. The sealing plate 103 is fixedly connected to the circumferential surface of the push rod 102 and corresponds to the fixed ring 101. The spring 104 is sleeved on the circumferential surface of the push rod 102 and is located between the top of the sealing plate 103 and the top wall of the upper connector 9. The fixed post 105 is fixedly connected to the bottom wall of the lower connector 8 and corresponds to the push rod 102.

[0031] In this embodiment, when the lower mold 1 and the upper mold 2 close to connect the lower connector 8 and the upper connector 9, the ejector rod 102 is lifted relative to the fixing post 105, causing the sealing plate 103 to move away from the fixing ring 101 and compress the sealing plate 103 against the spring 104. After the sealing plate 103 moves away from the fixing ring 101, the upper connector 9 opens and connects with the lower connector 8, realizing the water circuit connection between the lower cooling pipe 5 and the upper cooling pipe 6. When the lower mold 1 and the upper mold 2 open to separate the upper connector 9 and the lower connector 8, the ejector rod 102 moves away from the fixing post 105, making the bottom unrestricted. The elastic force of the spring 104 acts on the sealing plate 103, causing the sealing plate 103 and the ejector rod 102 to move downward. The sealing plate 103 moves downward and contacts the fixing ring 101, thereby closing the upper connector 9 and preventing cooling water leakage after the connection between the lower connector 8 and the upper connector 9 is broken.

[0032] Specifically, sealing rings 11 are fixedly connected to the ends of the fixing ring 101 and the sealing sheet 103 that are close to each other, and the two sealing rings 11 correspond to each other.

[0033] In this embodiment, when the sealing sheet 103 and the fixing ring 101 are in contact, the two sealing rings 11 are located between the fixing ring 101 and the sealing sheet 103, thereby improving the sealing effect of the fixing ring 101 and the sealing sheet 103.

[0034] Specifically, a sealing ring 12 is fixedly connected to the inner circumference of the lower connector 8, and the sealing ring 12 corresponds to the upper connector 9.

[0035] In this embodiment, when the upper connector 9 and the lower connector 8 are plugged in, the sealing ring 12 contacts the surface of the upper connector 9, which improves the sealing performance of the lower connector 8 and the upper connector 9 after connection and prevents cooling water leakage.

[0036] Specifically, the top of the lower mold 1 is fixedly connected with a guide post 13, and the bottom of the upper mold 2 is provided with a positioning groove 14, and the guide post 13 matches the positioning groove 14.

[0037] In this embodiment, when the lower mold 1 and the upper mold 2 are closed, the guide post 13 slides in the corresponding positioning groove 14, which can ensure the accuracy of the mold closing of the lower mold 1 and the upper mold 2.

[0038] Working principle: During injection molding of the automotive wiring harness sheath, the lower mold 1 and upper mold 2 close, allowing molten plastic to be injected into the molding groove 3 through the injection nozzle 4. Simultaneously, through the closing of the lower mold 1 and upper mold 2, the upper connector 9 and lower connector 8 are inserted into each other, and the ejector rod 102 is lifted relative to the fixing post 105, causing the sealing plate 103 to move away from the fixing ring 101 and compress the sealing plate 103 against the spring 104. After the sealing plate 103 moves away from the fixing ring 101, the upper connector 9 opens and connects with the lower connector 8, thereby connecting the lower cooling pipe 5 and the upper cooling pipe 6. The external cooling water circulation system allows cooling water to flow between the lower cooling pipe 5 and the upper cooling pipe through two connectors 7. A circulation is formed within 6, flowing around the injection nozzle 4 and the molding groove 3, accelerating the cooling and molding of the molten plastic in the molding groove 3 and the injection nozzle 4. After the automotive wiring harness sheath is cooled and molded, the lower mold 1 and the upper mold 2 open to remove the automotive wiring harness sheath. At the same time, the upper connector 9 and the lower connector 8 move away from each other, and the push rod 102 moves away from the fixing post 105 so that the bottom is unrestricted. The elastic force of the spring 104 acts on the sealing plate 103, causing the sealing plate 103 and the push rod 102 to move down. The sealing plate 103 moves down and contacts the fixing ring 101, thereby closing the upper connector 9, canceling the connection between the lower cooling pipe 5 and the upper cooling pipe 6, and preventing cooling water leakage.

[0039] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model based on the technical solution and its improved concept should be covered within the protection scope of the present utility model.

Claims

1. A rapid cooling injection mold for automotive wiring harness sheaths, comprising a lower mold (1) and an upper mold (2), characterized in that: The upper mold (2) is located above the lower mold (1). A molding groove (3) is provided at the top of the lower mold (1). An injection nozzle (4) is provided between the upper and lower ends of the upper mold (2), and the injection nozzle (4) corresponds to the molding groove (3). A lower cooling pipe (5) is fixedly connected inside the lower mold (1), and the lower cooling pipe (5) is located outside the molding groove (3). An upper cooling pipe (6) is fixedly connected inside the upper mold (2), and the upper cooling pipe (6) is located outside the injection nozzle (4). A connector (7) is fixedly connected to one side of both the lower mold (1) and the upper mold (2). Two connectors (7) are fixedly connected to one end of the lower cooling pipe (5) and the upper cooling pipe (6), respectively. The top end of the lower mold (1) is fixedly connected to the lower connector (8), and the other end of the lower connector (8) is fixedly connected to the lower cooling pipe (5). The bottom end of the upper mold (2) is fixedly connected to the upper connector (9), and the other end of the upper connector (9) is fixedly connected to the upper cooling pipe (6) and matches the lower connector (8). The lower connector (8) and the upper connector (9) are provided with a communication mechanism, which is used to realize the rapid connection and closure between the lower connector (8) and the upper connector (9).

2. The rapid cooling injection mold for automotive wiring harness sheaths according to claim 1, characterized in that: The connecting mechanism includes a fixed ring (101), a push rod (102), a sealing plate (103), a spring (104), and a fixed post (105). The fixed ring (101) is fixedly connected to the inner circumference of the upper connector (9). The push rod (102) is slidably connected to the upper connector (9) and moves through the fixed ring (101). The sealing plate (103) is fixedly connected to the circumference of the push rod (102) and corresponds to the fixed ring (101). The spring (104) is sleeved on the circumference of the push rod (102) and is located between the top of the sealing plate (103) and the top wall of the upper connector (9). The fixed post (105) is fixedly connected to the bottom wall of the lower connector (8) and corresponds to the push rod (102).

3. The rapid cooling injection mold for automotive wiring harness sheaths according to claim 2, characterized in that: The fixed ring (101) and the sealing plate (103) are both fixedly connected to a sealing ring (11) at their adjacent ends, and the two sealing rings (11) correspond to each other.

4. The rapid cooling injection mold for automotive wiring harness sheaths according to claim 3, characterized in that: The lower connector (8) has a sealing ring (12) fixedly connected to its inner circumference, and the sealing ring (12) corresponds to the upper connector (9).

5. The rapid cooling injection mold for automotive wiring harness sheaths according to claim 4, characterized in that: The top of the lower mold (1) is fixedly connected to a guide post (13), and the bottom of the upper mold (2) is provided with a positioning groove (14), and the guide post (13) matches the positioning groove (14).

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