Cooling device of injection mold

Abstract

The utility model relates to an injection mold, in particular to a cooling device of an injection mold, which comprises a bottom plate and a top plate, four symmetrically distributed support rods are fixedly connected between the bottom plate and the top plate, the outer walls of the four support rods are slidably connected with a sliding plate, and the lower end face of the sliding plate is fixedly connected with an upper mold. A lower mold is fixedly connected to the upper end face of the bottom plate, two symmetrically-distributed electric push rods are installed on the lower end face of the top plate, the output ends of the two electric push rods are fixedly connected with the sliding plate, and rotating rings are rotationally connected to the outer walls of the bottom plate and the top plate; a driving motor, a gear, a gear ring, a rotating ring, an annular pipe, an air pipe, an air cooler, a first connecting pipe, a rotating connector and a second connecting pipe are matched to drive the air pipe and an air nozzle to rotate, cold air is evenly blown to a mold, the mold is evenly cooled, and meanwhile cooling water is introduced into an upper mold and a lower mold through a water inlet pipe; and the mold is further cooled in a water cooling mode, and the cooling speed is increased.

Description

TECHNICAL FIELD

[0001] The utility model relates to a injection mold especially relates to a cooling device of injection mold. BACKGROUND

[0002] Injection molding is a method of production molding of industrial products, and is divided into rubber injection molding and plastic injection molding according to material; injection molding is divided into injection molding and die casting according to molding method. Injection molding machine is the molding equipment of thermoplastic or thermosetting material into various shape plastic products, and injection molding is realized through injection molding machine and mold, and the mold needs to be cooled after injection molding.

[0003] When the injection mold is used, the heat of the melted plastic is released in large quantities, a large temperature difference of the injection mold is generated, in order to make the injection product quickly form, the temperature of the injection product needs to be reduced. The existing injection mold cooling methods mainly include air cooling and water cooling, the air cooling method cannot realize uniform cooling of the mold, thereby affecting the quality of finished products. SUMMARY

[0004] The utility model provides a cooling device of injection mold can the even cooling of mold to the wind pipe and the air nozzle rotation through.

[0005] The utility model discloses a cooling device of injection mold, including bottom plate and top plate, bottom plate and top plate between fixedly connected with four symmetrical distribution's support rod, four support rod's outer wall slidingly connected with slide plate, the lower end surface of slide plate is fixedly connected with upper die, the upper end surface of bottom plate is fixedly connected with lower die, the lower end surface of top plate is installed two symmetrical distribution's electric push rod, two electric push rod's output all are fixedly connected with slide plate, the outer wall of bottom plate and top plate all are rotatably connected with swivel, two swivel opposite outer wall all are fixedly connected with annular pipe, two annular pipe intercommunication has four circumferential distribution's wind pipe, four wind pipe's outer wall all are provided with a plurality of air nozzle.

[0006] The inside of the upper die and the lower die is provided with a cooling cavity, and the outer wall of the upper die and the lower die is communicated with the water inlet pipe and the water outlet pipe, and the water inlet pipe and the water outlet pipe are communicated with the cooling cavity.

[0007] In order to facilitate the drive swivel rotation, as a cooling device of injection mold of the utility model preferably, the upper end surface of the upper swivel is fixedly connected with a gear ring, the lower end surface of the top plate is installed with a driving motor, the output end of the driving motor extends to the upper side of the top plate and is fixedly connected with a gear meshing connected with the gear ring.

[0008] In order to facilitate the cold wind for the air pipe, as a cooling device of the injection mold of the utility model preferably, the upper end surface of the top plate is provided with a cold air blower, the air outlet of the cold air blower is communicated with a first connecting pipe, the other end of the first connecting pipe is provided with a rotating joint, the outer wall of the annular pipe on the upside is communicated with a second connecting pipe, and the other end of the second connecting pipe is rotatably connected with the first connecting pipe through the rotating joint.

[0009] In order to facilitate injection, as a cooling device of the injection mold of the utility model preferably, the upper end surface of the sliding plate is provided with an injection port.

[0010] In order to facilitate the rotation of the rotating ring, as a cooling device of the injection mold of the utility model preferably, the bottom plate and the top plate are both circular.

[0011] In order to facilitate the control of the utility model, as a cooling device of the injection mold of the utility model preferably, the upper end surface of the bottom plate is provided with a controller, and the electric push rod, the cold air blower and the driving motor are all electrically connected with the controller.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] The utility model discloses a driving motor, gear, gear ring, rotating ring, annular pipe, air pipe, cold air blower, first connecting pipe, rotating joint and second connecting pipe cooperate and drive the air pipe and the air nozzle to rotate, so that the cold air is uniformly blown to the mold, the mold is uniformly cooled, cooling water is led to the upper mold and the lower mold through the water inlet pipe, the mold is further cooled in the mode of water cooling, and the cooling speed is accelerated. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is the whole structure schematic view of the utility model;

[0015] Fig. 2 It is the structure schematic view of the rotating ring and the annular pipe of the utility model;

[0016] Fig. 3 It is the structure schematic view of the bottom plate and the top plate of the utility model.

[0017] In the drawing: 1, bottom plate;2, top plate;3, support rod;4, sliding plate;5, upper mold;6, lower mold;7, rotating ring;8, annular pipe;9, air pipe;10, air nozzle;11, electric push rod;12, injection port;13, gear ring;14, cold air blower;15, first connecting pipe;16, rotating joint;17, second connecting pipe;18, gear;19, water inlet pipe;20, water outlet pipe;21, controller. PREFERRED EMBODIMENT

[0018] In order to make the purpose, technical scheme and advantages of the utility model clearer and more apparent, the utility model will be further described in detail below in combination with the drawings and examples.

[0019] In the description of the utility model, it needs to be understood that the orientation or position relation indicated by the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or position relation shown based on the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as a limitation on the utility model. In addition, in the description of the utility model, the meaning of "multiple" is two or more than two, unless otherwise specifically limited.

[0020] Please refer to Figs. 1-3 A cooling device of injection mold, including bottom plate 1 and top plate 2, four symmetrical distribution support rods 3 are fixedly connected between bottom plate 1 and top plate 2, the outer wall of four support rods 3 is slidably connected with sliding plate 4, the lower end surface of sliding plate 4 is fixedly connected with upper mold 5, the upper end surface of bottom plate 1 is fixedly connected with lower mold 6, the lower end surface of top plate 2 is installed with two symmetrical distribution electric push rods 11, the output end of two electric push rods 11 is fixedly connected with sliding plate 4, the outer wall of bottom plate 1 and top plate 2 is rotatably connected with rotating ring 7, the opposite outer wall of two rotating rings 7 is fixedly connected with annular pipe 8, four circumferential distribution air pipes 9 are communicated between two annular pipes 8, a plurality of air nozzles 10 are arranged on the outer wall of four air pipes 9.

[0021] The inside of upper mold 5 and lower mold 6 is provided with cooling cavity, the outer wall of upper mold 5 and lower mold 6 is communicated with water inlet pipe 19 and water outlet pipe 20, and water inlet pipe 19 and water outlet pipe 20 are communicated with cooling cavity.

[0022] In the embodiment: cold air is introduced into annular pipe 8, the cold air in annular pipe 8 is blown out from air nozzle 10 through air pipe 9, rotating ring 7 is rotated, rotating ring 7 drives air pipe 9 to rotate, and then drives a plurality of air nozzles 10 to rotate, so that the mold is uniformly cooled, cooling water is introduced into upper mold 5 and lower mold 6 through water inlet pipe 19, the mold is further cooled by water cooling, the cooling speed is accelerated, and the water after temperature rise is discharged through water outlet pipe 20.

[0023] As a technical optimization scheme of the utility model, the upper end surface of the upper rotating ring 7 is fixedly connected with a gear ring 13, a driving motor is installed on the lower end surface of the top plate 2, the output end of the driving motor extends to the upper side of the top plate 2 and is fixedly connected with a gear wheel 18 meshed with the gear ring 13.

[0024] In the embodiment, the driving motor is started, the driving motor drives the gear 18 to rotate, the gear 18 further drives the gear ring 13 to rotate, the gear ring 13 further drives the annular pipe 8 to rotate, and the annular pipe 8 further drives the air pipe 9 and the air nozzle 10 to rotate, so that the mold is uniformly cooled.

[0025] As a technical optimization scheme of the utility model, the upper end surface of the top plate 2 is provided with a cold air machine 14, the air outlet of the cold air machine 14 is communicated with a first connecting pipe 15, the other end of the first connecting pipe 15 is provided with a rotating joint 16, the outer wall of the upper annular pipe 8 is communicated with a second connecting pipe 17, and the other end of the second connecting pipe 17 is rotatably connected with the first connecting pipe 15 through the rotating joint 16.

[0026] In the embodiment, the cold air machine 14 (the cold air machine 14 is an AYK-27E series cold air machine, including a fan, an evaporator, a compressor, a condenser, a throttling device, refrigerant, a control system, an air filter, a humidifier and the like) is started, and the cold air generated by the cold air machine 14 is introduced into the annular pipe 8 through the first connecting pipe 15, the rotating joint 16 and the second connecting pipe 17.

[0027] As a technical optimization scheme of the utility model, the upper end surface of the sliding plate 4 is provided with an injection port 12.

[0028] In the embodiment, the injection port 12 is arranged on the upper end surface of the sliding plate 4, so that the injection raw material is conveniently introduced into the mold.

[0029] As a technical optimization scheme of the utility model, the bottom plate 1 and the top plate 2 are circular.

[0030] In the embodiment, the bottom plate 1 and the top plate 2 are circular, so that the rotating ring 7 is conveniently rotated.

[0031] As a technical optimization scheme of the utility model, the upper end surface of the bottom plate 1 is provided with a controller 21, and the electric push rod 11, the cold air machine 14 and the driving motor are electrically connected with the controller 21.

[0032] In the embodiment, the controller 21 is used for controlling the electric push rod 11, the cold air machine 14 and the driving motor to work.

[0033] The working principle and use process of the utility model: when using, first start the cold -blast machine 14, the cold -blast machine 14 produces the cold wind through first connecting pipe 15, rotary joint 16 and second connecting pipe 17 and is led into annular pipe 8, the cold air in annular pipe 8 blows out from air nozzle 10 through air pipe 9, then start drive motor, drive motor drives gear 18 to rotate, to drive gear ring 13 to rotate, further drive annular pipe 8 to rotate, annular pipe 8 drives air pipe 9 and air nozzle 10 to rotate, the even cooling of mould is carried out, and the cooling water is led into upper mould 5 and lower mould 6 through water inlet pipe 19, the mould is further cooled in water cooling mode, the cooling speed is accelerated, and the water after temperature rise is discharged through water outlet pipe 20.

[0034] The above is only the preferred embodiment of the utility model, and does not limit the utility model, and any modification, equivalent replacement and improvement within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A cooling device for an injection mold, comprising a base plate (1) and a top plate (2), characterized in that: Four symmetrically distributed support rods (3) are fixedly connected between the bottom plate (1) and the top plate (2). The outer walls of the four support rods (3) are slidably connected to the slide plate (4). The lower end face of the slide plate (4) is fixedly connected to the upper mold (5). The upper end face of the bottom plate (1) is fixedly connected to the lower mold (6). The lower end face of the top plate (2) is equipped with two symmetrically distributed electric actuators (11). The output ends of the two electric actuators (11) are fixedly connected to the slide plate (4). The outer walls of the bottom plate (1) and the top plate (2) are rotatably connected to the rotating rings (7). The outer walls of the two rotating rings (7) are fixedly connected to the annular pipes (8). The two annular pipes (8) are connected to four circumferentially distributed air ducts (9). The outer walls of the four air ducts (9) are provided with multiple air nozzles (10). The upper mold (5) and the lower mold (6) are both provided with cooling chambers. The outer walls of the upper mold (5) and the lower mold (6) are connected to water inlet pipe (19) and water outlet pipe (20), and the water inlet pipe (19) and water outlet pipe (20) are both connected to the cooling chambers.

2. The cooling device for an injection mold according to claim 1, characterized in that: A gear ring (13) is fixedly connected to the upper end face of the upper rotating ring (7), and a drive motor is installed on the lower end face of the top plate (2). The output end of the drive motor extends to the top of the top plate (2) and is fixedly connected to a gear (18) that meshes with the gear ring (13).

3. The cooling device for an injection mold according to claim 1, characterized in that: A cooler (14) is installed on the upper surface of the top plate (2). The air outlet of the cooler (14) is connected to a first connecting pipe (15). A rotating joint (16) is installed at the other end of the first connecting pipe (15). A second connecting pipe (17) is connected to the outer wall of the annular pipe (8) located on the upper side. The other end of the second connecting pipe (17) is rotatably connected to the first connecting pipe (15) through the rotating joint (16).

4. The cooling device for an injection mold according to claim 1, characterized in that: The upper surface of the slide plate (4) is provided with an injection port (12).

5. The cooling device for an injection mold according to claim 1, characterized in that: Both the bottom plate (1) and the top plate (2) are circular.

6. The cooling device for an injection mold according to claim 3, characterized in that: The upper surface of the base plate (1) is provided with a controller (21), and the electric push rod (11), the air cooler (14) and the drive motor are all electrically connected to the controller (21).

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