A heat dissipation device for an injection molded part of an automobile air conditioner

Abstract

The utility model discloses an automobile air conditioner injection molding part heat abstractor relates to injection molding part processing technical field, including heat dissipation box, both sides outer walls of heat dissipation box all are installed with electric jar, the telescopic link end of electric jar is fixedly connected with connecting plate, the one side fixed connection of connecting plate has apron, the front of heat dissipation box is set up with movable mouth, the inner wall fixed connection of heat dissipation box has the support groove board, the utility model discloses the fan assembly below the article -placing board sends air upward, the top surface exhaust mechanism extracts air outward, forms the forced air flow circulation from below to above, compares traditional fixed air -cooled and utilizes three -dimensional air flow to cover complex curved surface and hole position, solves the problem of local heat dissipation dead angle, and the communication hole of cooperation article -placing board top surface can make the air current penetrate injection molding part, and the bottom surface fin increases the heat dissipation area, and accelerates heat conduction, and the antiskid pad avoids the displacement of workpiece under the impact of air current, and guarantees the heat dissipation uniformity.

Description

Technical Field

[0001] This utility model relates to the field of injection molding technology, and in particular to a heat dissipation device for automotive air conditioning injection molded parts. Background Technology

[0002] In the automotive manufacturing industry, the performance and reliability of automotive air conditioning systems directly affect the driving experience. Core components of air conditioning systems, such as evaporator housings, blower housings, and air duct components, are mostly produced using injection molding processes, i.e., automotive air conditioning injection molded parts. These injection molded parts must meet strict requirements such as structural strength, dimensional accuracy, and temperature resistance. Their molding quality and subsequent processing efficiency are closely dependent on the cooling and heat dissipation process after injection molding.

[0003] However, in the existing technology, the existing injection molded parts are cooled and cooled by blowing air through the injection molded parts to accelerate heat dissipation. Although this can improve efficiency, it is difficult to adapt to the complex curved surface and hole structure of automotive air conditioning injection molded parts. It cannot fully heat the injection molded parts, which can easily lead to local overcooling or insufficient heat dissipation, and increase the risk of deformation. Utility Model Content

[0004] The purpose of this invention is to solve the problem that existing technologies are difficult to adapt to the complex curved surfaces and hole structures of automotive air conditioning injection molded parts, making it impossible to comprehensively dissipate heat from the injection molded parts, which easily leads to local overcooling or insufficient heat dissipation and increases the risk of deformation. Therefore, this invention proposes a heat dissipation device for automotive air conditioning injection molded parts.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a heat dissipation device for automotive air conditioning injection molded parts, comprising a heat dissipation box, electric cylinders installed on both outer walls of the heat dissipation box, a connecting plate fixedly connected to the end of the telescopic rod of the electric cylinder, a cover plate fixedly connected to one side of the connecting plate, an opening for movement on the front of the heat dissipation box, a support groove plate fixedly connected to the inner wall of the heat dissipation box, a pulling rod movably connected to the inner wall of the support groove plate, one end of the pulling rod fixedly connected to the outer wall of the cover plate, a shelf fixedly connected to the top surface of the pulling rod, a through hole opened on the top surface of the shelf, heat dissipation fins fixedly connected to the bottom surface of the shelf, an anti-slip pad fixedly connected to the top surface of the shelf, a fan assembly arranged below the shelf, and an exhaust mechanism installed on the top surface of the heat dissipation box.

[0006] Preferably, a rubber strip is provided above the shelf, and lifting mechanisms are installed on both sides of the inner wall of the heat dissipation box. The lifting mechanisms are used to control the lifting and moving of the rubber strip.

[0007] Preferably, the lifting mechanism includes a fixed frame, a motor, a traction plate, and a lead screw. The fixed frame is fixedly connected to the inner wall of the heat sink, and the traction plate is movably connected to the outer wall of the fixed frame.

[0008] Preferably, the motor is mounted on the bottom surface of the fixed frame, and a lead screw is rotatably mounted on one side of the outer wall of the fixed frame, with the motor and the bottom end of the lead screw being connected in a transmission connection.

[0009] Preferably, the outer wall of the fixed frame is provided with a movable groove, and one end of the traction plate is threaded through the inner wall of the movable groove and connected to the outer wall of the lead screw.

[0010] Preferably, the outer wall of the traction plate is fixedly connected to the outer wall of the end of the rubber strip.

[0011] Preferably, an air inlet box is fixedly connected to the bottom surface of the heat sink, the fan assembly is installed on the inner wall of the air inlet box, and a dustproof net is connected through the outer wall of the air inlet box.

[0012] Compared with the prior art, the advantages and positive effects of this utility model are as follows: 1. In this utility model, the fan assembly under the shelf sends air upward and the exhaust mechanism on the top surface draws air outward, forming a forced airflow circulation from bottom to top. Compared with traditional fixed air cooling, it uses three-dimensional airflow to cover complex curved surfaces and holes, solving the problem of local heat dissipation dead corners. With the connecting holes on the top surface of the shelf, airflow can penetrate the injection molded parts. The heat sink on the bottom surface increases the heat dissipation area and accelerates heat conduction. The anti-slip pad prevents the workpiece from shifting under the impact of airflow and ensures uniform heat dissipation.

[0013] 2. In this utility model, the motor drives the lead screw to rotate, causing the traction plate to rise and fall along the movable groove of the fixed frame, which in turn drives the rubber pressure strip to press the injection molded part on the placement plate. The rubber material avoids scratching the workpiece, and the adjustable pressure can adapt to parts with different wall thicknesses. It prevents stress deformation during the cooling process, and the lifting design is suitable for injection molded parts of various sizes, thus improving the versatility of the device. Attached Figure Description

[0014] Figure 1 This utility model provides a three-dimensional structural schematic diagram of a heat dissipation device for an automotive air conditioning injection molded part; Figure 2 This utility model provides a schematic diagram of the internal structure of a heat dissipation device for an automotive air conditioning injection molded part; Figure 3 This utility model proposes a heat dissipation device for automotive air conditioning injection molded parts. Figure 2 Enlarged view of the structure at point A in the middle; Figure 4 This utility model provides a structural schematic diagram of a lifting mechanism for a heat dissipation device of an automotive air conditioning injection molded part.

[0015] Legend: 1. Heat sink; 11. Electric cylinder; 12. Connecting plate; 13. Cover plate; 14. Support groove plate; 15. Pulling rod; 16. Shelf; 161. Connecting hole; 162. Heat sink; 163. Anti-slip pad; 2. Air inlet box; 21. Dustproof net; 3. Exhaust mechanism; 4. Lifting mechanism; 41. Fixing frame; 42. Motor; 43. Traction plate; 44. Lead screw; 5. Rubber strip; 6. Fan assembly. Detailed Implementation

[0016] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0017] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0018] Example 1: As Figure 1 - Figure 4 As shown, this utility model provides a heat dissipation device for automotive air conditioning injection molded parts, including a heat dissipation box 1. Electric cylinders 11 are installed on both outer walls of the heat dissipation box 1. A connecting plate 12 is fixedly connected to the end of the telescopic rod of the electric cylinder 11. A cover plate 13 is fixedly connected to one side of the connecting plate 12. An movable opening is provided on the front of the heat dissipation box 1. A support groove plate 14 is fixedly connected to the inner wall of the heat dissipation box 1. A pulling rod 15 is movably connected to the inner wall of the support groove plate 14. One end of the pulling rod 15 is fixedly connected to the outer wall of the cover plate 13. A shelf 16 is fixedly connected to the top surface of the pulling rod 15. A through hole 161 is provided on the top surface of the shelf 16. A heat dissipation fin 162 is fixedly connected to the bottom surface of the shelf 16. An anti-slip pad 163 is fixedly connected to the top surface of the shelf 16. A fan assembly 6 is provided below the shelf 16. An exhaust mechanism 3 is installed on the top surface of the heat dissipation box 1.

[0019] The specific settings and functions of this embodiment are described below. The heat dissipation box 1 serves as a closed heat dissipation space. The electric cylinders 11 on both sides drive the connecting plate 12 through the telescopic rod, which in turn drives the cover plate 13 to open and close along the movable opening. This design realizes automated feeding and unloading, replacing manual handling. The pulling rod 15 slides along the support groove plate 14 and extends and retracts synchronously with the cover plate 13, driving the placement plate 16 to enter and exit the heat dissipation box. The connecting hole 161 on the top surface of the placement plate 16 allows airflow to penetrate the injection molded part. The heat dissipation fins 162 on the bottom surface increase the heat dissipation area and accelerate heat conduction. The anti-slip pad 163 prevents the workpiece from shifting under the impact of airflow and ensures uniform heat dissipation. The fan assembly 6 below the placement plate 16 blows air upward, and the exhaust mechanism 3 on the top surface draws air outward, forming a forced airflow circulation from bottom to top. Compared with traditional fixed air cooling, this structure solves the problem of local heat dissipation dead corners by covering complex curved surfaces and holes with three-dimensional airflow.

[0020] Example 2: Figure 1 - Figure 4 As shown, a rubber strip 5 is provided above the shelf 16. Lifting mechanisms 4 are installed on both sides of the inner wall of the heat dissipation box 1. The lifting mechanisms 4 are used to control the lifting and moving of the rubber strip 5. The lifting mechanism 4 includes a fixed frame 41, a motor 42, a traction plate 43 and a lead screw 44. The fixed frame 41 is fixedly connected to the inner wall of the heat dissipation box 1. The traction plate 43 is movably connected to the outer wall of the fixed frame 41. The motor 42 is installed on the bottom surface of the fixed frame 41. The lead screw 44 is rotatably installed on one side of the outer wall of the fixed frame 41. The motor 42 is connected to the bottom end of the lead screw 44. A movable groove is opened through the outer wall of the fixed frame 41. One end of the traction plate 43 is threaded through the inner wall of the movable groove and threaded onto the outer wall of the lead screw 44. The outer wall of the traction plate 43 is fixedly connected to the end outer wall of the rubber strip 5. An air inlet box 2 is fixedly connected to the bottom surface of the heat dissipation box 1. The fan assembly 6 is installed on the inner wall of the air inlet box 2. A dustproof net 21 is connected through the outer wall of the air inlet box 2.

[0021] The overall effect of this embodiment is that, in the lifting mechanism 4, the motor 42 drives the lead screw 44 to rotate, causing the traction plate 43 to rise and fall along the movable groove of the fixed frame 41, which drives the rubber pressure strip 5 to press the injection molded part on the placement plate 16. The rubber material avoids scratching the workpiece, the adjustable pressure adapts to parts with different wall thicknesses, prevents stress deformation during cooling, and the lifting design is suitable for injection molded parts of various sizes, improving the versatility of the device. The air inlet box 2 provides a stable air inlet channel for the fan assembly 6, and the dustproof net 21 filters impurities in the air, preventing dust from adhering to the surface of the high-temperature injection molded part and affecting the subsequent assembly quality, while protecting the fan assembly and extending its life.

[0022] The operating method and working principle of this device are as follows: The electric cylinder 11 extends, the cover plate 13 opens, the placement plate 16 moves out of the heat dissipation box, and the demolded injection molded part is placed on the anti-slip mat 163; the electric cylinder retracts, the cover plate closes, and the heat dissipation box forms a closed space; the lifting mechanism 4 drives the rubber pressure strip 5 to descend and press the injection molded part; the fan assembly 6 and the exhaust mechanism 3 are started, the cooling parameters are set, and after cooling is completed, the rubber pressure strip 5 rises, the cover plate opens, and the workpiece is taken out.

[0023] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the technical solution of the present utility model.

Claims

1. A heat dissipation device for automotive air conditioning injection molded parts, comprising a heat dissipation box (1), characterized in that: Electric cylinders (11) are installed on both outer walls of the heat sink (1). A connecting plate (12) is fixedly connected to the end of the telescopic rod of the electric cylinder (11). A cover plate (13) is fixedly connected to one side of the connecting plate (12). An opening is provided on the front of the heat sink (1). A support groove plate (14) is fixedly connected to the inner wall of the heat sink (1). A pulling rod (15) is movably connected to the inner wall of the support groove plate (14). One end of the pulling rod (15) is connected to the cover plate. The outer wall of the plate (13) is fixedly connected, and the top surface of the traction rod (15) is fixedly connected to the shelf (16). The top surface of the shelf (16) is provided with a through hole (161). The bottom surface of the shelf (16) is fixedly connected to the heat sink (162). The top surface of the shelf (16) is fixedly connected to the anti-slip pad (163). A fan assembly (6) is provided below the shelf (16). The top surface of the heat sink (1) is equipped with an exhaust mechanism (3).

2. The heat dissipation device for automotive air conditioning injection molded parts according to claim 1, characterized in that: A rubber strip (5) is provided above the shelf (16), and a lifting mechanism (4) is installed on both sides of the inner wall of the heat dissipation box (1). The lifting mechanism (4) is used to control the lifting and moving of the rubber strip (5).

3. The heat dissipation device for automotive air conditioning injection molded parts according to claim 2, characterized in that: The lifting mechanism (4) includes a fixed frame (41), a motor (42), a traction plate (43) and a lead screw (44). The fixed frame (41) is fixedly connected to the inner wall of the heat sink (1), and the traction plate (43) is movably connected to the outer wall of the fixed frame (41).

4. The heat dissipation device for automotive air conditioning injection molded parts according to claim 3, characterized in that: The motor (42) is mounted on the bottom surface of the fixed frame (41), and a lead screw (44) is rotatably mounted on one side of the outer wall of the fixed frame (41). The motor (42) is connected to the bottom end of the lead screw (44) in a transmission connection.

5. A heat dissipation device for automotive air conditioning injection molded parts according to claim 4, characterized in that: The outer wall of the fixed frame (41) is provided with a movable groove, and one end of the traction plate (43) is threaded through the inner wall of the movable groove and connected to the outer wall of the lead screw (44).

6. A heat dissipation device for automotive air conditioning injection molded parts according to claim 5, characterized in that: The outer wall of the traction plate (43) is fixedly connected to the end outer wall of the rubber strip (5).

7. A heat dissipation device for automotive air conditioning injection molded parts according to claim 1, characterized in that: The bottom surface of the heat sink (1) is fixedly connected to the air inlet box (2), the fan assembly (6) is installed on the inner wall of the air inlet box (2), and the outer wall of the air inlet box (2) is connected with a dustproof net (21).

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