A low temperature cooling device for injection molding of interior lamps

Abstract

The utility model belongs to the technical field of automobile interior lamp processing, and specifically is an interior lamp injection molding low-temperature cooling device, comprising a lower mold, a cooling cavity is opened in the lower mold, a driving motor is installed in the cavity, a rotating shaft is installed at the output end of the driving motor, a driving gear is installed on the outer wall of the rotating shaft, a rotating shaft is rotatably installed on one side of the cavity, a driven gear is installed on the outer wall of the rotating shaft, and three stirring blades are installed on the rotating shaft and the outer wall of the rotating shaft; in the cooling process, the rotating shaft is driven to rotate by the driving motor, and then the driving gear and the driven gear are also driven to rotate, and the rotating shaft is driven to rotate, when the rotating shaft and the rotating shaft rotate, the stirring blades also start to rotate, so as to form forced convection in the cooling cavity, so as to realize that cooling water flows evenly around the injection molded part through stirring, and the cooling effect on the injection molded part is improved, so as to accelerate the production efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile interior lamp processing, in particular to an interior lamp injection molding low-temperature cooling device. Background Art

[0002] Car interior lights refer to lamps installed inside the car for decoration and lighting. In the processing of interior lights, injection molds are usually used to manufacture interior lights in various shapes and sizes. After the injection molding operation is completed, in order to speed up the film forming effect of the injection molded parts, an injection molding low-temperature cooling device is used.

[0003] A Chinese patent with announcement number CN117087120A discloses a rapid cooling device for an injection mold, including an air cooling mechanism, the air cooling mechanism including an upper cooling fan and a lower cooling fan, the upper cooling fan is arranged toward the movable mold, and the lower cooling fan is arranged toward the fixed mold; the water cooling mechanism includes a cooling water tank, an upper cooling water pipe and a lower cooling water pipe, the lower cooling water pipe is arranged inside the fixed mold, two lower connecting water pipes are connected to the lower cooling water pipe, the upper cooling water pipe is arranged in the movable mold, the two ends of the upper cooling water pipe are respectively connected to the upper connecting water pipes, the two upper connecting water pipes correspond one to one with the two lower connecting water pipes, when the movable mold and the fixed mold are closed, the lower connecting water pipes will be connected to the corresponding upper connecting water pipes, and an inlet pipe and a return pipe are connected between the cooling water tank and the lower cooling water pipe. The invention discloses a rapid cooling device for an injection mold, which can realize rapid cooling of the mold by arranging a water cooling mechanism and an air cooling mechanism, thereby helping to improve production efficiency.

[0004] However, the above-mentioned rapid cooling device for injection molds still has some problems. In actual applications, when water cooling is performed, the cooling water cannot be evenly distributed in the cooling chamber, resulting in an uneven cooling effect and reducing the production efficiency of the interior lamps. Therefore, a low-temperature cooling device for injection molding of interior lamps is proposed to address the above-mentioned problems. Utility Model Content

[0005] In order to make up for the deficiencies of the prior art and solve the problems raised in the background technology, the utility model provides an interior lamp injection molding low-temperature cooling device.

[0006] The technical solution adopted by the utility model to solve its technical problems is: the utility model is a low-temperature cooling device for injection molding of interior lamps, comprising a main board, a water tank is installed at one end of the top side of the main board, a water inlet pipe is connected to one side of the water tank, a water pump is installed on the outer wall of the water inlet pipe, a lower mold is installed on the top side of the other end of the main board, a cooling cavity is opened inside the lower mold, one end of the water inlet pipe is connected to the inside of the cooling cavity, an empty cavity is opened inside the main board, a driving motor is installed inside the empty cavity, and an output end of the driving motor is installed A rotating shaft, a driving gear is installed on the outer wall of the rotating shaft, a rotating shaft is rotatably installed on one side of the interior of the cavity, a driven gear is installed on the outer wall of the rotating shaft, and the driving gear and the driven gear are meshed with each other, the rotating shaft and one end of the rotating shaft rotate through the interior of the cooling cavity, and three stirring blades are equidistantly installed on the outer walls of the rotating shaft and one end of the rotating shaft located inside the cooling cavity, so that the cooling water can flow evenly around the injection molded part through stirring, avoiding local overheating or overcooling, improving the cooling effect of the injection molded part, and thus accelerating production efficiency.

[0007] Preferably, a water outlet pipe is connected to one side of the bottom end of the cooling chamber, a water chiller is installed on the top side of the mainboard, one end of the water outlet pipe is connected to the water chiller, and a circulating pump is installed on the outer wall of the water outlet pipe, which can quickly cool the cooling water, thereby improving the cooling effect on the injection molded parts.

[0008] Preferably, a water pipe is installed on one side of the chiller, one end of the water pipe is connected to the water tank, and a pump is installed on the outer wall of the water pipe, thereby realizing the recycling of cooling water and reducing the waste of water resources.

[0009] Preferably, guide rods are fixedly installed on the top side of the main board at the four corners of the lower mold, and fixed sleeves are fixedly connected to the outer walls of the bottom ends of the guide rods. A sliding sleeve is slidably installed on the outer wall of the middle ends of the guide rods, and a buffer spring is fixedly connected between the sliding sleeve and the fixed sleeve. The buffer spring sleeve is arranged on the outer wall of the guide rod to absorb and mitigate the impact force of the upper mold during movement, thereby reducing damage to the equipment or structure.

[0010] Preferably, the top end of the guide rod is fixedly connected to a support plate, the top side of the support plate is installed with a cylinder, the active end of the cylinder passes through the support plate and is fixedly connected to a movable plate, the four corners of the movable plate are respectively slidably installed on the outer wall of the guide rod, an upper mold is fixed on the bottom side of the movable plate, an injection port is provided inside the upper mold, and a mold cavity is provided inside the lower mold, which helps the upper mold and the lower mold to perform stable mold closing operations and improves the processing accuracy of the device.

[0011] Preferably, a control panel is installed on one side of the water tank, and the control panel is used to control the operation of the electrical components in the mold, thereby achieving precise control of the mold and helping to improve production efficiency.

[0012] The utility model is beneficial in that:

[0013] 1. In the cooling process, the utility model drives the rotating shaft to rotate through the driving motor, thereby driving the driving gear and the driven gear to rotate, and driving the rotating shaft to rotate. When the rotating shaft and the rotating shaft rotate, the stirring blades also start to rotate, thereby forming forced convection in the cooling chamber, achieving the goal of making the cooling water flow evenly around the injection molded parts through stirring, improving the cooling effect of the injection molded parts, and thus accelerating the production efficiency;

[0014] 2. In the utility model, hot cooling water is discharged through a circulation pump and a water outlet pipe and enters a water chiller. The water chiller removes the heat of the cooling water through a refrigerant circulation system and cools the cooling water to a set temperature. By starting the pump, the water pipe transports the cooling water cooled in the water chiller to the water tank, thereby realizing the recycling of cooling water and reducing the waste of water resources. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0016] Figure 1 This is a schematic diagram of the main structure of the injection molding low-temperature cooling device in the utility model;

[0017] Figure 2 It is a schematic diagram of the internal structure of the cooling chamber;

[0018] Figure 3 for Figure 1 The enlarged structural diagram of part A in the middle;

[0019] Figure 4 It is a schematic diagram of the mold closing and buffer component structure.

[0020] In the figure: 1. main board; 2. water tank; 3. water inlet pipe; 4. water pump; 5. lower mold; 6. cooling chamber; 7. cavity chamber; 8. driving motor; 9. rotating shaft; 10. driving gear; 11. rotating shaft; 12. driven gear; 13. stirring blade; 14. water outlet pipe; 15. chiller; 16. circulating pump; 17. water pipe; 18. pump; 19. guide rod; 20. fixed sleeve; 21. sliding sleeve; 22. buffer spring; 23. support plate; 24. cylinder; 25. moving plate; 26. upper mold; 27. injection port; 28. cavity; 29. ​​control panel. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-2As shown, a low-temperature cooling device for injection molding of interior lamps comprises a main board 1, a water tank 2 is mounted on one end of the top side of the main board 1, a water inlet pipe 3 is connected to one side of the water tank 2, a water pump 4 is mounted on the outer wall of the water inlet pipe 3, a lower mold 5 is mounted on the top side of the other end of the main board 1, a cooling cavity 6 is provided inside the lower mold 5, one end of the water inlet pipe 3 is connected to the interior of the cooling cavity 6, an empty cavity 7 is provided inside the main board 1, a driving motor 8 is mounted inside the empty cavity 7, a rotating shaft 9 is mounted on the output end of the driving motor 8, a driving gear 10 is mounted on the outer wall of the rotating shaft 9, a rotating shaft 11 is rotatably mounted on one side of the interior of the empty cavity 7, a driven gear 12 is mounted on the outer wall of the rotating shaft 11, and the driving gear 10 and the driven gear 12 are meshed with each other, one end of the rotating shaft 9 and the rotating shaft 11 both rotate and penetrate the interior of the cooling cavity 6, and the rotating Three stirring blades 13 are evenly installed on the outer wall of one end of the shaft 9 and the rotating shaft 11, and are located inside the cooling chamber 6; during operation, in actual application, when water cooling is performed, the cooling water may not be evenly distributed in the cooling chamber 6, resulting in an uneven cooling effect and reducing the production efficiency of the interior lamp. The cooling water in the water tank 2 is sent into the cooling chamber 6 through the water inlet pipe 3 by the water pump 4 to cool the lower mold 5. During the cooling process, the rotating shaft 9 is driven to rotate by the driving motor 8, and then the driving gear 10 and the driven gear 12 are also driven to rotate, and the rotating shaft 11 is driven to rotate. When the rotating shaft 9 and the rotating shaft 11 rotate, the stirring blades 13 also start to rotate, thereby forming forced convection in the cooling chamber 6, so that the cooling water is stirred to flow evenly around the injection molded part, avoiding local overheating or overcooling, improving the cooling effect of the injection molded part, and thus speeding up production efficiency.

[0023] See also Figure 1 , 3 As shown, a water outlet pipe 14 is connected to one side of the bottom end of the cooling chamber 6, a water chiller 15 is installed on the top side of the mainboard 1, one end of the water outlet pipe 14 is connected to the water chiller 15, and a circulating pump 16 is installed on the outer wall of the water outlet pipe 14;

[0024] A water pipe 17 is installed on one side of the chiller 15, one end of which is connected to the water tank 2, and a pump 18 is installed on the outer wall of the water pipe 17; when working, the cooling water in the cooling chamber 6 exchanges heat with the lower mold 5, absorbs the heat of the injection molded part, and increases the temperature of the cooling water. The heated cooling water is discharged through the circulating pump 16 and the water outlet pipe 14 and enters the chiller 15. The chiller 15 removes the heat of the cooling water through the refrigerant circulation system and cools the cooling water to a set temperature. By starting the pump 18, the water pipe 17 transports the cooling water cooled in the chiller 15 to the water tank 2, thereby realizing the recycling of cooling water and reducing the waste of water resources. The model of the chiller 15 is DH16AA.

[0025] See also Figure 4 As shown, the top side of the main board 1 is located at the four corners of the lower mold 5 and is fixedly installed with guide rods 19, the bottom outer wall of the guide rod 19 is fixedly connected with a fixing sleeve 20, the middle outer wall of the guide rod 19 is slidably installed with a sliding sleeve 21, and a buffer spring 22 is fixedly connected between the sliding sleeve 21 and the fixing sleeve 20, and the buffer spring 22 is sleeved on the outer wall of the guide rod 19;

[0026] The top end of the guide rod 19 is fixedly connected to a support plate 23, and a cylinder 24 is installed on the top side of the support plate 23. The action end of the cylinder 24 penetrates the support plate 23 and is fixedly connected to a moving plate 25. The four corners of the moving plate 25 are respectively slidably mounted on the outer wall of the guide rod 19. An upper mold 26 is fixed to the bottom side of the moving plate 25. An injection port 27 is provided inside the upper mold 26, and a mold cavity 28 is provided inside the lower mold 5.

[0027] A control panel 29 is installed on one side of the water tank 2, and the control panel 29 is used to control the operation of the electrical components in the mold; when working, in the processing of the interior lamp, an injection mold is usually used to manufacture the interior lamp in various shapes and sizes. When the mold needs to be closed, the cylinder 24 pushes the movable plate 25 to move downward along the guide rod 19, thereby driving the upper mold 26 and the lower mold 5 to close the mold. During the mold closing process, the upper mold 26 moves downward along the guide rod 19, and the sliding sleeve 21 slides on the guide rod 19 and compresses the buffer spring 22. The elastic action of the buffer spring 22 cooperates with the damper to provide a certain buffering effect, reduce the impact force when the mold is closed, and protect the mold and equipment. After the mold closing is completed, it enters the mold cavity 28 through the injection port 27 to form an injection molded part.

[0028] Working principle: when mold closing is required, the cylinder 24 pushes the moving plate 25 to move downward along the guide rod 19, thereby driving the upper mold 26 to close the mold with the lower mold 5. During the mold closing process, the upper mold 26 moves downward along the guide rod 19, and the sliding sleeve 21 slides on the guide rod 19 and compresses the buffer spring 22. The elastic action of the buffer spring 22 cooperates with the damper to provide a certain buffering effect, reduce the impact force when the mold is closed, and protect the mold and equipment. After the mold closing is completed, it enters the mold cavity 28 through the injection port 27 to form an injection molded part.

[0029] The cooling water in the water tank 2 is sent into the cooling chamber 6 through the water inlet pipe 3 by the water pump 4 to cool the lower mold 5. During the cooling process, the rotating shaft 9 is driven to rotate by the driving motor 8, and then the driving gear 10 and the driven gear 12 are also driven to rotate, and the rotating shaft 11 is driven to rotate. When the rotating shaft 9 and the rotating shaft 11 rotate, the stirring blade 13 also starts to rotate, thereby forming forced convection in the cooling chamber 6, so that the cooling water is made to flow evenly around the injection molded part through stirring, avoiding local overheating or overcooling, improving the cooling effect of the injection molded part, and thus accelerating production efficiency.

[0030] The cooling water in the cooling chamber 6 exchanges heat with the lower mold 5, absorbs the heat of the injection molded part, and increases the temperature of the cooling water. The heated cooling water is discharged through the circulating pump 16 and the water outlet pipe 14 and enters the chiller 15. The chiller 15 removes the heat of the cooling water through the refrigerant circulation system and cools the cooling water to a set temperature. By starting the pump 18, the water pipe 17 transports the cooled cooling water in the chiller 15 to the water tank 2, thereby realizing the recycling of the cooling water and reducing the waste of water resources.

[0031] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0032] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A low temperature cooling device for injection molding of interior lamps, characterized in that: The invention comprises a main board (1), wherein a water tank (2) is mounted on one end of the top side of the main board (1), a water inlet pipe (3) is connected to one side of the water tank (2), a water pump (4) is mounted on the outer wall of the water inlet pipe (3), a lower mold (5) is mounted on the top side of the other end of the main board (1), a cooling cavity (6) is provided inside the lower mold (5), one end of the water inlet pipe (3) is connected to the inside of the cooling cavity (6), an empty cavity (7) is provided inside the main board (1), a driving motor (8) is mounted inside the empty cavity (7), and the driving motor (8) A rotating shaft (9) is mounted on the output end, a driving gear (10) is mounted on the outer wall of the rotating shaft (9), a rotating shaft (11) is rotatably mounted on one side of the interior of the hollow chamber (7), a driven gear (12) is mounted on the outer wall of the rotating shaft (11), and the driving gear (10) and the driven gear (12) are meshed with each other, one end of the rotating shaft (9) and the rotating shaft (11) are both rotatably penetrated through the interior of the cooling chamber (6), and three stirring blades (13) are equidistantly mounted on the outer walls of one end of the rotating shaft (9) and the rotating shaft (11) and located inside the cooling chamber (6).

2. The low temperature cooling device for injection molding of interior lamps according to claim 1, characterized in that: A water outlet pipe (14) is connected to one side of the bottom end of the cooling chamber (6), a water chiller (15) is installed on the top side of the mainboard (1), one end of the water outlet pipe (14) is connected to the water chiller (15), and a circulation pump (16) is installed on the outer wall of the water outlet pipe (14).

3. The low temperature cooling device for injection molding of interior lamps according to claim 2, characterized in that: A water delivery pipe (17) is installed on one side of the water chiller (15), one end of the water delivery pipe (17) is connected to the water tank (2), and a pump (18) is installed on the outer wall of the water delivery pipe (17).

4. The low temperature cooling device for injection molding of interior lamps according to claim 3, characterized in that: Guide rods (19) are fixedly mounted on the top side of the main board (1) at the four corners of the lower mold (5); a fixing sleeve (20) is fixedly connected to the outer wall of the bottom end of the guide rod (19); a sliding sleeve (21) is slidably mounted on the outer wall of the middle end of the guide rod (19); a buffer spring (22) is fixedly connected between the sliding sleeve (21) and the fixing sleeve (20); and the buffer spring (22) is sleeved on the outer wall of the guide rod (19).

5. The low temperature cooling device for injection molding of interior lamps according to claim 4, characterized in that: The top end of the guide rod (19) is fixedly connected to a support plate (23), the top side of the support plate (23) is equipped with a cylinder (24), the action end of the cylinder (24) passes through the support plate (23) and is fixedly connected to a movable plate (25), the four corners of the movable plate (25) are respectively slidably mounted on the outer wall of the guide rod (19), the bottom side of the movable plate (25) is fixed with an upper mold (26), the interior of the upper mold (26) is provided with an injection port (27), and the interior of the lower mold (5) is provided with a mold cavity (28).

6. The low temperature cooling device for injection molding of interior lamps according to claim 1, characterized in that: A control panel (29) is installed on one side of the water tank (2), and the control panel (29) is used to control the operation of the electrical components in the mold.

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