Cooling device for injection mold

By introducing a robotic arm, a fan, and a cooling pipe system into the injection mold cooling device, the problems of internal mold cooling and workpiece collection are solved, achieving efficient mold cooling and convenient collection, and improving the convenience of the mold cooling device.

CN224255993UActive Publication Date: 2026-05-19JIANGSU JIJI MICRO SEMICON CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
JIANGSU JIJI MICRO SEMICON CO LTD
Filing Date
2025-06-19
Publication Date
2026-05-19

AI Technical Summary

Technical Problem

Existing injection mold cooling devices are not convenient for efficient water cooling of the mold interior, nor are they convenient for reciprocating movement to cool the mold with air, and they are not convenient for collecting and placing the finished injection molded parts, which affects the convenience of the mold cooling device.

Method used

A cooling device for injection molds was designed, comprising a robotic arm, a fan, cooling pipes, an inlet water pipe, and an outlet water pipe. Through the movement of the robotic arm and the blowing of the fan, combined with the water circulation system of the cooling pipes, efficient cooling of the mold and convenient collection of the workpiece are achieved.

Benefits of technology

It enables convenient and efficient water cooling inside the mold, facilitates the reciprocating movement of the mold for air cooling, improves the convenience of workpiece collection and placement, and enhances the overall convenience of the mold cooling device.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN224255993U_ABST
    Figure CN224255993U_ABST
Patent Text Reader

Abstract

The utility model discloses an injection mold cooling device which comprises an injection molding machine and a top plate, the top plate is movably installed on the side wall of the injection molding machine, a mechanical arm is installed on the side wall of the top plate, an upper mold is installed at the bottom end of the top plate, and a bottom plate is installed on the side wall of the injection molding machine below the top plate. A lower mold is installed at the top end of the bottom plate, and a collecting box is installed on the side, away from the lower mold, of the top end of the bottom plate. According to the mold cooling device disclosed by the utility model, the mold cooling device can be used for conveniently and efficiently cooling the interior of a mold by introducing water, conveniently and rapidly reciprocating to blow and cool the mold, and conveniently and rapidly collecting and placing workpieces subjected to injection molding; and the convenience of collecting and placing the injection-molded workpieces by the mold cooling device is improved.
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Description

Technical Field

[0001] This utility model relates to the technical field of mold cooling devices, specifically a cooling device for injection molds. Background Technology

[0002] An injection molding machine, also known as an injection molding machine or injection molding machine, is a primary molding device that uses molds to create various shapes of plastic products from thermoplastic or thermosetting plastics. The main function of an injection molding machine is to heat the plastic, melt it, and inject it into the mold cavity under high pressure, where it cools and solidifies into the desired plastic product.

[0003] For example, the injection mold cooling device disclosed in the authorization announcement number CN218749135U includes a mold base, at least one mold groove is provided on the mold base, a conveying pipe for conveying cooling water is fitted and installed on the mold base at the position corresponding to the mold groove, a cooling pipe is provided on the mold base through which the conveying pipe is connected, the conveying pipe includes an input pipe and an output pipe, a baffle is provided inside the cooling pipe, the cooling water is input through the input pipe, flows around the mold groove through the cooling pipe and is output through the output pipe, and also includes a water cooling component connected to the conveying pipe;

[0004] Although it achieves the use of a cooling water tank for water-cooled components, the cooling water flows through the main pipeline connected to the input pipeline to the cooling pipeline, the cooling pipeline is set up around the mold groove, and finally it is transported back to the cooling water tank through the output pipeline to achieve circulation and improve the cooling effect;

[0005] However, this does not solve the problem that existing mold cooling devices of this type are generally not conducive to convenient and efficient cooling of the mold interior by water circulation, not convenient to conveniently move back and forth to cool the mold by air blowing, and not convenient to conveniently collect and place the injection-molded workpieces, thus affecting the convenience of collecting and placing the injection-molded workpieces. Utility Model Content

[0006] The purpose of this utility model is to provide an injection mold cooling device to solve the problems mentioned in the background art, such as the inconvenience of using the mold cooling device to efficiently cool the inside of the mold by water, the inconvenience of using the mold to cool it by air blowing, and the inconvenience of collecting and placing the molded workpieces, which affect the convenience of collecting and placing the molded workpieces.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a cooling device for injection molds, comprising an injection molding machine and a top plate. The top plate is movably mounted on the side wall of the injection molding machine. A robotic arm is mounted on the side wall of the top plate. An upper mold is mounted at the bottom of the top plate. A bottom plate is mounted on the side wall of the injection molding machine below the top plate. A lower mold is mounted at the top of the bottom plate. A collection box is mounted on the side of the bottom plate away from the lower mold. Four sets of fans are provided outside the robotic arm. Water inlet pipes are installed on the side walls of both the upper and lower molds. Cooling pipes are installed inside both the upper and lower molds. The water inlet pipes are connected to the cooling pipes. Water outlet pipes are installed on the side of the cooling pipes away from the water inlet pipes. The water outlet pipes penetrate the upper and lower molds and extend to their exterior.

[0008] Preferably, a T-shaped frame is installed on the side wall of the robot arm, a support plate is installed at the bottom of the T-shaped frame, and support frames are symmetrically installed at the bottom of the T-shaped frame outside the support plate. A workpiece body is provided on the outside of each support frame, and suction cups are symmetrically installed at the bottom of each support frame. Each suction cup is connected to the workpiece body.

[0009] Preferably, an electric push rod is installed on the side wall of the support plate, and slide rails are symmetrically installed at the bottom end of the support plate, with sliders slidably installed on the surface of each slide rail.

[0010] Preferably, each slider has a connecting plate installed at its bottom end, the output end of the electric push rod is connected to a set of connecting plates, each connecting plate has a rack installed on its side wall, each connecting plate has a T-shaped plate installed at its bottom end, and both sides of the T-shaped plate are connected to a fan.

[0011] Preferably, a rotating shaft is movably mounted inside the support plate, the rotating shaft extends through the support plate to its outside, and gears are fitted on the surface of the rotating shaft outside the support plate, with all racks meshing with the gears.

[0012] Preferably, servo motors are symmetrically installed inside the collection box, and threaded rods are installed at the output ends of the servo motors. Bearing seats are symmetrically installed on the inner wall of the collection box.

[0013] Preferably, all the threaded rods extend into the interior of the bearing housing and are movably connected thereto, and each of the threaded rods has a threaded block fitted on its surface, and each of the threaded rods is threadedly connected to the threaded block.

[0014] Preferably, the inside of the collection box is provided with a lifting plate, and all the threaded blocks are connected to the lifting plate.

[0015] Compared with the prior art, the beneficial effects of this utility model are: the mold cooling device not only realizes the convenient and efficient cooling of the mold interior by water circulation, and facilitates convenient reciprocating movement to cool the mold by air blowing, but also facilitates the convenient collection and placement of the injection-molded workpiece, thus improving the convenience of the mold cooling device in collecting and placing the injection-molded workpiece.

[0016] (1) When using the injection mold cooling device, the water inlet pipes on the side walls of the upper and lower molds are connected to an external water pump for water supply. When the water flows into the interior of the cooling pipe, the cooling pipe is opened to cool the water, thereby cooling the upper and lower molds. The water is discharged through the outlet pipe, which facilitates the water cooling of the mold. This realizes the convenient and efficient water cooling of the mold interior by the mold cooling device, and improves the convenience of the mold cooling device for water cooling of the mold interior.

[0017] (2) Open the robot arm, move the suction cup to the surface of the workpiece body, open the suction cup to pick up the workpiece body, open multiple sets of fans to blow air and cool it down, the electric push rod drives a set of connecting plates to move, a set of connecting plates drives a set of racks, T-plates and fans to move, under the support of the rotating shaft, under the meshing of racks and gears, a set of racks drives gears to rotate, under the sliding support of slide rails and sliders, gears drive another set of racks, connecting plates, T-plates and fans to move, when the maximum stroke is reached, open the electric push rod in the opposite direction, so that it reciprocates to blow air and cool the mold, which facilitates convenient reciprocating movement to blow air and cool the mold, increases the range of blowing air and cooling, and improves the cooling efficiency of the mold cooling device;

[0018] (3) When it is necessary to collect the workpiece body in a unified manner, the robot arm is opened, so that the suction cup picks up the robot arm and moves it to the surface of the collection box for placement. The servo motor drives the threaded rod to rotate, and the threaded rod drives the threaded block and the lifting plate to move up and down to the specified height to collect the workpiece. This facilitates the convenient collection and placement of the injection-molded workpiece, realizes the convenient collection and placement of the injection-molded workpiece by the mold cooling device, and improves the convenience of the mold cooling device for collecting and placing the injection-molded workpiece. Attached Figure Description

[0019] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0020] Figure 2 This is a front view structural diagram of the present utility model;

[0021] Figure 3 This is a three-dimensional structural diagram of the lower mold of this utility model;

[0022] Figure 4 This is a top view cross-sectional structural diagram of the upper mold of this utility model;

[0023] Figure 5 This is a three-dimensional structural diagram of the T-shaped frame of this utility model;

[0024] Figure 6 This is a three-dimensional structural diagram of the support plate of this utility model;

[0025] Figure 7 This is a side view sectional structural diagram of the collection box of this utility model.

[0026] In the diagram: 1. Injection molding machine; 2. Top plate; 3. Upper mold; 4. Robot arm; 5. Base plate; 6. Lower mold; 7. Collection box; 8. Water inlet pipe; 9. Cooling pipe; 10. Water outlet pipe; 11. T-shaped frame; 12. Support frame; 13. Suction cup; 14. Workpiece body; 15. Support plate; 16. Electric push rod; 17. Slide rail; 18. Slider; 19. Connecting plate; 20. Rack; 21. Rotating shaft; 22. Gear; 23. T-shaped plate; 24. Fan; 25. Servo motor; 26. Threaded rod; 27. Threaded block; 28. Bearing seat; 29. ​​Lifting plate. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the 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.

[0028] Please see Figure 1-7 An embodiment of this utility model provides a cooling device for an injection mold, comprising an injection molding machine 1 and a top plate 2. The top plate 2 is movably mounted on the side wall of the injection molding machine 1. A robot arm 4 is mounted on the side wall of the top plate 2. An upper mold 3 is mounted at the bottom end of the top plate 2. A bottom plate 5 is mounted on the side wall of the injection molding machine 1 below the top plate 2. A lower mold 6 is mounted at the top end of the bottom plate 5. A collection box 7 is mounted on the side of the top end of the bottom plate 5 away from the lower mold 6. Four sets of fans 24 are provided outside the robot arm 4. Water inlet pipes 8 are installed on the side walls of both the upper mold 3 and the lower mold 6. Cooling pipes 9 are installed inside both the upper mold 3 and the lower mold 6. The water inlet pipes 8 are connected to the cooling pipes 9. Water outlet pipes 10 are installed on the side of the cooling pipes 9 away from the water inlet pipes 8. The water outlet pipes 10 penetrate the upper mold 3 and the lower mold 6 and extend to their exterior.

[0029] When using the injection mold cooling device, the water inlet pipes 8 on the side walls of the upper mold 3 and the lower mold 6 are connected to an external water pump for water supply. When the water flows into the interior of the cooling pipe 9, the cooling pipe 9 is opened to cool the water, thereby cooling the upper mold 3 and the lower mold 6. The water is discharged through the water outlet pipe 10, which facilitates convenient water cooling of the mold. This enables the mold cooling device to efficiently cool the interior of the mold by water, improving the convenience of the mold cooling device for cooling the interior of the mold by water.

[0030] A T-shaped frame 11 is installed on the side wall of the robot arm 4. A support plate 15 is installed at the bottom of the T-shaped frame 11. Support frames 12 are symmetrically installed at the bottom of the T-shaped frame 11 outside the support plate 15. Workpiece bodies 14 are provided on the outside of each support frame 12. Suction cups 13 are symmetrically installed at the bottom of each support frame 12. The suction cups 13 are all connected to the workpiece bodies 14.

[0031] An electric push rod 16 is installed on the side wall of the support plate 15, and a slide rail 17 is symmetrically installed at the bottom end of the support plate 15. A slider 18 is slidably installed on the surface of the slide rail 17.

[0032] A connecting plate 19 is installed at the bottom of each slider 18. The output end of the electric push rod 16 is connected to a set of connecting plates 19. A rack 20 is installed on the side wall of each connecting plate 19. A T-shaped plate 23 is installed at the bottom of each connecting plate 19. Both sides of the T-shaped plate 23 are connected to the fan 24.

[0033] A rotating shaft 21 is movably installed inside the support plate 15. The rotating shaft 21 extends through the support plate 15 to its outside. A gear 22 is fitted on the surface of the rotating shaft 21 outside the support plate 15. All racks 20 mesh with the gear 22.

[0034] When cooling of the mold surface is required, the robot arm 4 is activated, the suction cup 13 is moved to the surface of the workpiece body 14, the suction cup 13 is activated to pick up the workpiece body 14, multiple sets of fans 24 are activated to blow air for cooling, the electric push rod 16 is activated, and under the support of the support plate 15, the electric push rod 16 drives a set of connecting plates 19 to move. The set of connecting plates 19 drives a set of racks 20, T-shaped plates 23, and fans 24 to move. Under the support of the rotating shaft 21, the racks 20 and gears 22... Under the meshing, a set of racks 20 drives the gears 22 to rotate. Under the sliding support of the slide rail 17 and the slider 18, the gears 22 drive another set of racks 20, the connecting plate 19, the T-shaped plate 23, and the fan 24 to move. When the maximum stroke is reached, the electric push rod 16 is opened in the reverse direction, so that it moves back and forth to blow air to cool the mold. This facilitates convenient back and forth movement to blow air to cool the mold, increases the range of air cooling, and improves the cooling efficiency of the mold cooling device.

[0035] Servo motors 25 are symmetrically installed inside the collection box 7. Threaded rods 26 are installed at the output ends of the servo motors 25. Bearing seats 28 are symmetrically installed on the inner wall of the collection box 7.

[0036] All threaded rods 26 extend into the interior of bearing housing 28 and are movably connected thereto. All threaded rods 26 are fitted with threaded blocks 27, and all threaded rods 26 are threadedly connected to threaded blocks 27.

[0037] The inside of the collection box 7 is equipped with a lifting plate 29, and the threaded blocks 27 are all connected to the lifting plate 29;

[0038] When it is necessary to collect the workpiece body 14, the robot arm 4 is activated, and the suction cup 13 picks up the robot arm 4 and moves it to the surface of the collection box 7 for placement. The two sets of servo motors 25 are activated. With the support of the collection box 7, the servo motors 25 drive the threaded rod 26 to rotate. With the threaded connection between the threaded rod 26 and the threaded block 27 and the support of the bearing seat 28, the threaded rod 26 drives the threaded block 27 and the lifting plate 29 to move up and down to the specified height to collect the workpiece. This facilitates the convenient collection and placement of the injection-molded workpiece, realizes the convenient collection and placement of the injection-molded workpiece by the mold cooling device, and improves the convenience of the mold cooling device in collecting and placing the injection-molded workpiece.

[0039] Working principle: When using the injection mold cooling device, the water inlet pipes 8 on the side walls of the upper mold 3 and lower mold 6 are connected to an external water pump for water supply. When water flows into the cooling pipe 9, the cooling pipe 9 is opened to cool the water, thereby cooling the upper mold 3 and lower mold 6. The water flows out through the outlet pipe 10. When it is necessary to cool the mold surface, the robot arm 4 is activated, the suction cup 13 is moved to the surface of the workpiece body 14, the suction cup 13 is opened to pick up the workpiece body 14, multiple sets of fans 24 are turned on to blow air for cooling, the electric push rod 16 drives a set of connecting plates 19 to move, and the set of connecting plates 19 drives a set of racks 20, T-plates 23, and fans 24 to move. A set of racks 20 drives gears 22 to rotate. Under the sliding support of slide rail 17 and slider 18, gears 22 drive another set of racks 20, connecting plate 19, T-shaped plate 23 and fan 24 to move. When the maximum stroke is reached, the electric push rod 16 is opened in the reverse direction, so that it moves back and forth to blow air to cool the mold. When it is necessary to collect the workpiece body 14, the robot arm 4 is opened, so that the suction cup 13 picks up the robot arm 4 and moves it to the surface of the collection box 7 for placement. The servo motor 25 drives the threaded rod 26 to rotate. Under the support of bearing seat 28, the threaded rod 26 drives the threaded block 27 and lifting plate 29 to move up and down to the specified height to collect the workpiece, thus completing the use of the mold cooling device.

Claims

1. A cooling device for injection molds, characterized in that: Includes an injection molding machine (1) and a top plate (2). The top plate (2) is movably mounted on the side wall of the injection molding machine (1). A robot arm (4) is mounted on the side wall of the top plate (2). An upper mold (3) is mounted at the bottom end of the top plate (2). A bottom plate (5) is mounted on the side wall of the injection molding machine (1) below the top plate (2). A lower mold (6) is mounted at the top end of the bottom plate (5). A collection box (7) is mounted on the side of the top end of the bottom plate (5) away from the lower mold (6). The robot arm (4) Four sets of fans (24) are provided on the outside of the mold. Water inlet pipes (8) are installed on the side walls of the upper mold (3) and the lower mold (6). Cooling pipes (9) are installed inside the upper mold (3) and the lower mold (6). The water inlet pipes (8) are connected to the cooling pipes (9). Water outlet pipes (10) are installed on the side of the cooling pipes (9) away from the water inlet pipes (8). The water outlet pipes (10) extend through the upper mold (3) and the lower mold (6) to their outside.

2. The injection mold cooling device according to claim 1, characterized in that: The robot arm (4) is equipped with a T-shaped frame (11) on its side wall. A support plate (15) is installed at the bottom of the T-shaped frame (11). Support frames (12) are symmetrically installed at the bottom of the T-shaped frame (11) outside the support plate (15). Workpiece bodies (14) are provided on the outside of each support frame (12). Suction cups (13) are symmetrically installed at the bottom of each support frame (12). Each suction cup (13) is connected to the workpiece body (14).

3. The injection mold cooling device according to claim 2, characterized in that: An electric push rod (16) is installed on the side wall of the support plate (15), and a slide rail (17) is symmetrically installed at the bottom end of the support plate (15). A slider (18) is slidably installed on the surface of the slide rail (17).

4. The injection mold cooling device according to claim 3, characterized in that: The bottom of each slider (18) is equipped with a connecting plate (19). The output end of the electric push rod (16) is connected to a set of connecting plates (19). Each connecting plate (19) has a rack (20) installed on its side wall. Each connecting plate (19) has a T-shaped plate (23) installed at its bottom. Both sides of the T-shaped plate (23) are connected to the fan (24).

5. A cooling device for injection molds according to claim 4, characterized in that: A rotating shaft (21) is movably installed inside the support plate (15). The rotating shaft (21) extends through the support plate (15) to its outside. Gears (22) are fitted on the surface of the rotating shaft (21) outside the support plate (15). All racks (20) mesh with the gears (22).

6. The injection mold cooling device according to claim 1, characterized in that: The collection box (7) is symmetrically equipped with servo motors (25), and each of the output ends of the servo motors (25) is equipped with a threaded rod (26). The inner wall of the collection box (7) is symmetrically equipped with bearing seats (28).

7. A cooling device for injection molds according to claim 6, characterized in that: The threaded rods (26) all extend into the interior of the bearing housing (28) and are movably connected thereto. The surfaces of the threaded rods (26) are fitted with threaded blocks (27), and the threaded rods (26) are threadedly connected to the threaded blocks (27).

8. A cooling device for injection molds according to claim 7, characterized in that: The collection box (7) is equipped with a lifting plate (29) inside, and the threaded blocks (27) are all connected to the lifting plate (29).