Cooling device for metal injection molding

Abstract

The utility model discloses a metal injection molding cooling device which comprises a left mold, a right mold is correspondingly arranged on the right side of the left mold, a mold groove is formed in the left mold, an ejector pin is inserted in the mold groove in a penetrating mode, an injection nozzle is arranged on the right mold, and first cold water plates are arranged on the four sides of the mold groove in the left mold. A first water inlet pipe is arranged on one side of the first cold water plate, and a first water outlet pipe is correspondingly arranged on the other side of the first cold water plate. According to the cooling device for metal injection molding, the blowpipe and the interior of the mold groove form a communicating structure through the flow dividing pipe and the cold air opening, so that the cooling efficiency of the interior of the mold groove is improved through the cold air opening and the blowpipe, and the baffle of the device and the cold air opening form a two-way limiting sliding structure through the two-way screw rod, the sliding rod and the movable block under the action of the servo motor; and therefore, it is guaranteed that the mold can be normally subjected to metal injection while it is guaranteed that the cold air opening can cool the mold groove through the movable baffle.

Description

TECHNICAL FIELD

[0001] The utility model relates to metal processing technical field, concretely is a kind of cooling device of metal injection molding. BACKGROUND

[0002] Metal is a kind of material with luster (i.e. to visible light strong reflection), high conductivity, high thermal conductivity, plasticity, ductility and high reflectivity, usually hard texture, crystalline solid, can produce various chemical reactions, and can be made into alloy with other metals. In the metal processing process, in order to be processed into various shapes for use, injection molding device is used to process and shape metal liquid.

[0003] And injection molding device in use, metal liquid is injected into mold groove by nozzle, in order to be cooled and shaped by cooling structure in mold groove, and the existing injection molding device in use, only cooling water structure is used to cool mold groove and internal material, which can easily lead to low cooling efficiency, thereby reducing the working efficiency of the device. Therefore, a kind of cooling device of metal injection molding is proposed to solve the above problems. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of cooling device of metal injection molding to solve the problem that the existing injection molding device in use in the background art described above, only cooling water structure is used to cool mold groove and internal material, which can easily lead to low cooling efficiency, thereby reducing the working efficiency of the device.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of cooling device of metal injection molding, including left mould, the left mould is correspondingly provided with right mould on right side, mold groove is formed in the left mould, and needle is inserted in mold groove, the right mould is equipped with nozzle, the four sides of mold groove are equipped with first cold water plate in the left mould, and first cold water plate is equipped with first water inlet pipe on one side, and first cold water plate is correspondingly equipped with first water outlet pipe on the other side, the back of mold groove is equipped with second cold water plate in the left mould, and second cold water plate is equipped with second water inlet pipe on one end, and second cold water plate is correspondingly equipped with second water outlet pipe on the other end, a plurality of cold air outlets are formed in the left mould behind cold air outlet of mold groove, and the left mould is equipped with shunt pipe behind cold air outlet, and the left mould is equipped with blowing pipe on rear end of shunt pipe;

[0006] The left mould is equipped with fixing frame on upper end surface, and fixing frame is equipped with servo motor in the inside, the output shaft of servo motor is connected with bidirectional screw through coupling, and bidirectional screw is correspondingly equipped with slide bar below, bidirectional screw and slide bar are respectively inserted with movable block on both ends, and movable block is respectively equipped with baffle on movable block, and baffle is located at cold air outlet;

[0007] The right mold is provided with a fixed box at the upper end face, and the fixed box is internally provided with an electric push rod, the electric push rod is provided with an extension arm at the upper side, and the extension arm is provided with an L-shaped connecting rod at the upper end, the other end of the L-shaped connecting rod is connected with a fan outer frame, the fan outer frame is provided with a micro motor at the rear side, and the micro motor is provided with an output shaft, and the output shaft is uniformly provided with a plurality of groups of fan blades on the outer wall.

[0008] Preferably, the first water inlet pipe and the second water inlet pipe are respectively connected with the first water outlet pipe and the second water outlet pipe through the first cold water plate and the second cold water plate.

[0009] Preferably, the blowing pipe is connected with the mold groove through the shunt pipe and the cold air outlet.

[0010] Preferably, the baffle is connected with the cold air outlet through the bidirectional screw rod, the sliding rod and the movable block under the action of the servo motor.

[0011] Preferably, the fan outer frame is connected with the right mold through the extension arm under the action of the electric push rod, and the fan blades are connected with the fan outer frame through the output shaft under the action of the micro motor.

[0012] Compared with the prior art, the beneficial effects of the metal injection molding cooling device are as follows: the blowing pipe of the metal injection molding cooling device is connected with the mold groove through the shunt pipe and the cold air outlet, so that the cooling efficiency of the mold groove is increased through the cold air outlet and the blowing pipe; the baffle of the device is connected with the cold air outlet through the bidirectional screw rod, the sliding rod and the movable block under the action of the servo motor, so that the movable baffle ensures that the cold air outlet can cool the mold groove and the mold can normally perform metal injection; the fan outer frame of the device is connected with the right mold through the extension arm under the action of the electric push rod, and the fan blades are connected with the fan outer frame through the output shaft under the action of the micro motor, so that the heat dissipation fan assembly can further dissipate heat in the mold groove after the mold is formed, so as to increase the cooling efficiency of the device. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a metal injection molding cooling device structure schematic view of the utility model;

[0014] Figure 2 It is a left mold side view structure schematic view of the utility model metal injection molding cooling device;

[0015] Figure 3 It is a cold water assembly side view structure schematic view of the utility model metal injection molding cooling device;

[0016] Figure 4The utility model discloses a metal injection molding cooling device cold water subassembly structure schematic diagram.

[0017] In the drawing: 1, left mould, 2, right mould, 3, ejector pin, 4, fixed frame, 5, servo motor, 6, two -way screw rod, 7, slide, 8, movable block, 9, baffle, 10, mould groove, 11, cold air port, 12, shunt pipe, 13, blow pipe, 14, first cold water plate, 15, first water inlet pipe, 16, first water outlet pipe, 17, second cold water plate, 18, second water inlet pipe, 19, second water outlet pipe, 20, electric push rod, 21, telescopic arm, 22, L -shaped connecting rod, 23, micro motor, 24, fan blade, 25, fan outer frame. DETAILED DESCRIPTION

[0018] The utility model discloses a metal injection molding cooling device cold water subassembly structure schematic diagram.

[0019] Please refer to Figures 1-4 The utility model provides a technical scheme: a metal injection molding cooling device, including left mould 1, left mould 1 is equipped with right mould 2 on the right side correspondingly, is equipped with mould groove 10 on left mould 1, and the mould groove 10 is inserted with ejector pin 3, is equipped with injection nozzle on right mould 2, the four sides of mould groove 10 are equipped with first cold water plate 14 in left mould 1, and first cold water plate 14 is equipped with first water inlet pipe 15 on one side, and first cold water plate 14 is equipped with first water outlet pipe 16 on the other side correspondingly, the back of mould groove 10 is equipped with second cold water plate 17 in left mould 1, and second cold water plate 17 is equipped with second water inlet pipe 18 on one end, and second cold water plate 17 is equipped with second water outlet pipe 19 on the other end correspondingly, is equipped with multiple cold air ports 11 on mould groove 10 respectively, and the rear of cold air port 11 is equipped with shunt pipe 12 in left mould 1, and shunt pipe 12 is equipped with blow pipe 13 on the rear end, need extra explanation, second cold water plate 17 is the plate structure of being equipped with multiple through -holes, to guarantee blow pipe 13 and cold air port 11 are in intercommunication structure, and guarantee that ejector pin 3 can normally work.

[0020] Further, first water inlet pipe 15, second water inlet pipe 18 are communicated with first water outlet pipe 16, second water outlet pipe 19 through first cold water plate 14, second cold water plate 17 respectively, to cool the outside of mould groove 10 through multiple cold water plates, so that the metal raw material in mould groove 10 can be cooled and formed.

[0021] Further, the blowing pipe 13 is communicated with the mold groove 10 through the shunt pipe 12 and the cold air outlet 11, so that the cold air is introduced into the cold air outlet 11 through the blowing pipe 13, so as to increase the cooling efficiency of the mold.

[0022] The left mold 1 is provided with a fixed frame 4 at the upper end face, and the fixed frame 4 is provided with a servo motor 5 inside. One end of the output shaft of the servo motor 5 is connected to a bidirectional screw rod 6 through a shaft coupling. The bidirectional screw rod 6 is correspondingly provided with a slide rod 7 below. The bidirectional screw rod 6 and the slide rod 7 are respectively inserted with movable blocks 8 at both ends. The movable blocks 8 are respectively provided with baffles 9. The baffles 9 are located at the cold air outlet 11. It needs to be additionally stated that the cold air outlet 11 needs to be opened at the thick wall or corner position according to the situation of the mold groove 10. The shape of the baffle 9 is adjusted according to the opening position, so as to ensure the cooling efficiency inside the mold while avoiding affecting the metal injection molding process. The device is correspondingly provided with a spiral hole and a through hole on the movable block 8, so as to ensure that the movable block 8 can be limited to slide.

[0023] Further, the baffle 9 is connected with the cold air outlet 11 through the bidirectional screw rod 6, the slide rod 7 and the movable block 8 under the action of the servo motor 5 to form a bidirectional limiting sliding structure, so as to further protect the cold air outlet 11 through the movable baffle 9, and avoid affecting the work of the cold air outlet 11 through the movable baffle 9.

[0024] The right mold 2 is provided with a fixed box at the upper end face, and the fixed box is provided with an electric push rod 20 inside. The electric push rod 20 is provided with a telescopic arm 21 above. The telescopic arm 21 is provided with an L-shaped connecting rod 22 at the upper end. The other end of the L-shaped connecting rod 22 is connected with a fan outer frame 25. The fan outer frame 25 is provided with a micro motor 23 at the rear. The output shaft of the micro motor 23 is uniformly provided with a plurality of fan blades 24 on the outer wall. It needs to be additionally stated that a plurality of power equipment in the device are connected to the power supply equipment through the power supply line, and the working condition of the power equipment is monitored through the sensor, the controller and other equipment, so as to ensure that the power equipment in the device can normally work.

[0025] Further, the fan outer frame 25 is connected with the right mold 2 through the telescopic arm 21 under the action of the electric push rod 20 to form a vertical lifting structure, and the fan blades 24 are connected with the fan outer frame 25 through the output shaft under the action of the micro motor 23 to form a rotating structure, so as to assist the cooling and cooling of the inside of the mold groove 10 through the liftable fan assembly.

[0026] Working principle: in the use of metal injection molding cooling device, first can through the nozzle into the metal liquid into the mold groove 10, thereby under the action of the first cold water plate 14, the second cold water plate 17 make material in mold groove 10 cooling forming, after a period of time after the material cooling can start servo motor 5, servo motor 5 output shaft through the coupling drive bidirectional screw rod 6 rotation, in order to through the slide rod 7, movable block 8 driven baffle 9 limit sliding, so that the blowing pipe 13 and cold air port 11 form the structure of the communication, at the same time can be through the cold air machine cold air transport to blowing pipe 13, and through the cold air port 11 make cold air into the mold groove 10 in it for auxiliary cooling, further increase the cooling efficiency of the mold groove 10 and its internal material; after injection molding right mold 2 back to the original position, at the same time can start electric push rod 20, micro motor 23, electric push rod 20 through telescopic arm 21 drive fan outer frame 25 down to the mold groove 10, at the same time can be through the micro motor 23 drive fan blade 24 rotation, in order to through the rotating fan blade 24 on the material in the mold groove 10 and mold groove 10 heat dissipation, further increase the cooling efficiency of the device, this is the use of the metal injection molding cooling device process.

[0027] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model shall be included in the protection scope of the utility model.

Claims

1. A cooling device for metal injection molding, comprising a left mold (1), a right mold (2) corresponding to the left mold (1) on its right side, the left mold (1) having a mold groove (10) and an ejector pin (3) inserted into the mold groove (10), and the right mold (2) having an injection nozzle, characterized in that: The mold groove (10) has a first cold water plate (14) on its four sides inside the left mold (1), and the first cold water plate (14) has a first water inlet pipe (15) on one side and a first water outlet pipe (16) on the other side. The mold groove (10) has a second cold water plate (17) on its back inside the left mold (1), and the second cold water plate (17) has a second water inlet pipe (18) at one end and a second water outlet pipe (19) at the other end. The mold groove (10) has multiple sets of cold air vents (11), and a diversion pipe (12) is provided behind the cold air vents (11) inside the left mold (1). The diversion pipe (12) has a blower pipe (13) at its rear end. The left mold (1) is provided with a fixed frame (4) on the upper end face, and a servo motor (5) is provided inside the fixed frame (4). One end of the output shaft of the servo motor (5) is connected to a bidirectional screw (6) through a coupling, and a slide rod (7) is provided on the lower part of the bidirectional screw (6). Movable blocks (8) are inserted at both ends of the bidirectional screw (6) and the slide rod (7), and baffles (9) are provided on the movable blocks (8). The baffles (9) are located at the cold air inlet (11). The right mold (2) has a fixed box on its upper end face, and the fixed box has an electric push rod (20) inside. The electric push rod (20) has a telescopic arm (21) on its upper end, and the telescopic arm (21) has an L-shaped connecting rod (22) on its upper end. The other end of the L-shaped connecting rod (22) is connected to the fan frame (25). The fan frame (25) has a micro motor (23) at its rear, and the micro motor (23) has an output shaft. The output shaft has multiple sets of fan blades (24) evenly distributed on its outer wall.

2. The cooling device for metal injection molding according to claim 1, characterized in that: The first water inlet pipe (15) and the second water inlet pipe (18) are connected to the first water outlet pipe (16) and the second water outlet pipe (19) respectively through the first cold water plate (14) and the second cold water plate (17).

3. The cooling device for metal injection molding according to claim 1, characterized in that: The blower pipe (13) forms a communication structure with the mold groove (10) through the diversion pipe (12) and the cold air outlet (11).

4. A cooling device for metal injection molding according to claim 1, characterized in that: The baffle (9) forms a bidirectional limiting sliding structure with the cold air vent (11) through the bidirectional screw (6), slide bar (7), movable block (8) under the action of the servo motor (5).

5. A cooling device for metal injection molding according to claim 1, characterized in that: The fan frame (25) forms a vertical lifting structure with the right mold (2) through the telescopic arm (21) under the action of the electric push rod (20), and the fan blade (24) forms a rotating structure inside the fan frame (25) through the output shaft under the action of the micro motor (23).

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