Automatic metal injection molding device

Abstract

The utility model discloses an automatic metal injection molding device, which belongs to the technical field of metal injection molding and comprises a base, two sides of the top of the base are fixedly connected with supporting plates, and the tops of the two supporting plates are fixedly connected with the same bearing plate; the lower mold is slidably connected to the outer side of the bearing plate in a sleeving mode, electric push rods are fixedly connected to the two sides of the top of the base, and the output ends of the two electric push rods are fixedly connected to the bottom of the lower mold; the upper mold is arranged above the lower mold, the top of the upper mold is fixedly connected with an injection molding barrel, and a spiral auger is rotationally mounted in the injection molding barrel; the fixing frame is fixedly connected to the top of the base, linkage mechanisms are arranged on the two sides of the fixing frame, and a pushing mechanism is arranged on the front side of the fixing frame. According to the metal injection molding device, the linkage mechanism is matched with the bearing plate to achieve automatic mold closing and demolding work of the metal injection molding device, automatic discharging is convenient, and the injection molding work efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of metal injection molding, in particular to an automatic metal injection molding device. Background Art

[0002] Metal injection molding is a method of manufacturing parts by injecting metal materials into the molding process. Similar to plastic injection molding, metal injection molding also uses molds, but it processes metal materials instead of plastic particles. This process is also called metal injection molding, metal injection molding or metal injection molding.

[0003] The patent document with publication number CN108746631A discloses a temperature-controlled injection molding device for metal injection molding, including a workbench, the top four corners of the workbench are connected to linear hydraulic cylinders by bolts, and the tops of the piston rods of the four linear hydraulic cylinders are connected to the same horizontally arranged support plate by bolts, the top four corners of the support plate are connected to vertically arranged support rods by bolts, and the tops of the four support rods are connected to a horizontally arranged mounting plate by bolts, and a circular opening is opened in the center of the top of the mounting plate. In this design, the staff controls the power of the first heater at different positions through the feedback information of the temperature sensor.

[0004] The injection molding device in the above technical solution cannot automatically remove the molded metal parts after the injection molding is completed, and manual demolding is required, which reduces the efficiency of the injection molding work; therefore, we propose an automated metal injection molding device to solve this problem. Utility Model Content

[0005] The purpose of the utility model is to provide an automated metal injection molding device to solve the problems raised in the above background technology.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] An automated metal injection molding device, comprising:

[0008] A base, wherein both sides of the top of the base are fixedly connected with support plates, and the tops of the two support plates are fixedly connected with the same supporting plate;

[0009] A lower mold, wherein the lower mold is slidably sleeved on the outer side of the supporting plate, and both sides of the top of the base are fixedly connected with electric push rods, and the output ends of the two electric push rods are fixedly connected to the bottom of the lower mold;

[0010] The upper mold is arranged above the lower mold, and the top of the upper mold is fixedly connected with an injection cylinder, and a spiral auger is rotatably installed in the injection cylinder;

[0011] The fixing frame is fixedly connected to the top of the base, linkage mechanisms are arranged on both sides of the fixing frame, and a material pushing mechanism is arranged on the front side of the fixing frame.

[0012] Preferably, the linkage mechanism includes a fixed shaft fixedly connected to the outside of the fixed frame, a first connecting frame fixedly connected to the outside of the lower mold, and a second connecting frame fixedly connected to the outside of the upper mold, one side of the first connecting frame is rotatably connected to a first connecting plate, one side of the second connecting frame is rotatably connected to a second connecting plate, the other ends of the first connecting plate and the second connecting plate are rotatably connected to the same rotating arm, and the rotating arm is rotatably sleeved on the outside of the fixed shaft.

[0013] Preferably, the pushing mechanism comprises a pushing plate and a mounting frame fixedly connected to the front side of the fixing frame, a cylinder is fixedly connected to the front side of the mounting frame, and an output end of the cylinder is fixedly connected to the front side of the pushing plate.

[0014] Preferably, an injection port and an exhaust port are provided at the top of the upper mold, a feed hopper is connected to the top of the injection cylinder, a reinforcing rod is fixedly connected to the bottom of the feed hopper, and a bottom end of the reinforcing rod is fixedly connected to the outside of the injection cylinder.

[0015] Preferably, a driving motor is fixedly connected to the top of the injection cylinder, and an output shaft of the driving motor is fixedly connected to the top of the spiral auger.

[0016] Preferably, the bottom of the upper mold is integrally formed with a square outer edge, and the top of the lower mold is provided with a circular groove adapted to the square outer edge.

[0017] Preferably, vertical holes are provided on both sides of the bottom of the lower mold, and the two support plates are slidably connected in the corresponding vertical holes respectively.

[0018] Preferably, a guide rod is fixedly connected to the front side of the push plate, the mounting frame is slidably sleeved on the outer sides of the two guide rods, a round hole is opened on the top of the fixing frame, and the injection cylinder passes through the round hole.

[0019] Preferably, a controller is fixedly mounted on the top of the base, and the controller is electrically connected to the electric push rod, the drive motor and the cylinder.

[0020] In the utility model, an automated metal injection molding device is described, in which the controller controls the operation of the electric push rod to drive the lower mold to move upward, and the lower mold drives the rotating arm to rotate through the two first connection frames and the first connection plate, and the rotating arm slides the second connection frame through the second connection plate to drive the upper mold to move downward, so that the outer edge of the upper mold is inserted into the round groove on the lower mold to achieve mold closing, and then the molten metal is poured into the feed hopper and allowed to enter the injection cylinder, and then the driving motor is started to drive the spiral auger to rotate, so that the molten metal is transported downward and allowed to enter the interior of the lower mold for injection molding, and the injection molding is achieved after the upper mold and the lower mold in the molten metal are cooled;

[0021] In the utility model, an automatic metal injection molding device is described, which controls the lower mold to move downward by starting the electric push rod, and the lower mold drives the upper mold to move upward through the cooperation of the linkage mechanism, thereby realizing automatic demoulding, and then starts the cylinder to drive the push plate to move backward to automatically push out the formed metal parts to realize automatic material discharge, thereby improving the injection molding efficiency;

[0022] The utility model has a reasonable structural design, and realizes automatic mold closing and demoulding work of the metal injection molding device through the arranged linkage mechanism in cooperation with the supporting plate, and is convenient for automatic material discharge, thereby improving the efficiency of injection molding work. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a three-dimensional structural schematic diagram of an automated metal injection molding device proposed by the utility model;

[0024] Figure 2 for Figure 1 A partial enlarged view of part A;

[0025] Figure 3 This is a schematic cross-sectional view of an automated metal injection molding device proposed by the utility model;

[0026] Figure 4 The utility model is a three-dimensional structural schematic diagram of the spiral auger and the driving motor.

[0027] In the figure: 1. base; 2. supporting plate; 201. support plate; 3. lower mold; 301. first connecting frame; 302. first connecting plate; 4. upper mold; 401. second connecting frame; 402. second connecting plate; 5. fixed shaft; 501. rotating arm; 6. injection cylinder; 601. spiral auger; 602. driving motor; 603. feeding hopper; 7. electric push rod; 8. controller; 9. cylinder; 901. mounting frame; 902. push plate; 10. fixing frame. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0029] Reference Figure 1-4 , an automated metal injection molding device, comprising:

[0030] A base 1, both sides of the top of the base 1 are fixedly connected with support plates 201, and the tops of the two support plates 201 are fixedly connected with the same supporting plate 2;

[0031] The lower mold 3 is slidably sleeved on the outer side of the supporting plate 2. Both sides of the top of the base 1 are fixedly connected with electric push rods 7. The output ends of the two electric push rods 7 are fixedly connected to the bottom of the lower mold 3.

[0032] The upper mold 4 is arranged above the lower mold 3, and the top of the upper mold 4 is fixedly connected with an injection cylinder 6, and a spiral auger 601 is rotatably installed in the injection cylinder 6;

[0033] The fixing frame 10 is fixedly connected to the top of the base 1 , linkage mechanisms are arranged on both sides of the fixing frame 10 , and a material pushing mechanism is arranged on the front side of the fixing frame 10 .

[0034] In this embodiment, the linkage mechanism includes a fixed shaft 5 fixedly connected to the outside of the fixed frame 10, a first connecting frame 301 fixedly connected to the outside of the lower mold 3, and a second connecting frame 401 fixedly connected to the outside of the upper mold 4. One side of the first connecting frame 301 is rotatably connected to the first connecting plate 302, one side of the second connecting frame 401 is rotatably connected to the second connecting plate 402, and the other ends of the first connecting plate 302 and the second connecting plate 402 are rotatably connected to the same rotating arm 501, and the rotating arm 501 is rotatably sleeved on the outside of the fixed shaft 5.

[0035] In this embodiment, the pushing mechanism includes a pushing plate 902 and a mounting frame 901 fixedly connected to the front side of the fixing frame 10. The front side of the mounting frame 901 is fixedly connected to a cylinder 9, and the output end of the cylinder 9 is fixedly connected to the front side of the pushing plate 902, so that the metal parts injection molded on the supporting plate 2 can be pushed to move and unload.

[0036] In this embodiment, an injection port and an exhaust port are provided at the top of the upper mold 4, and a feed hopper 603 is connected to the top of the injection cylinder 6. A reinforcing rod is fixedly connected to the bottom of the feed hopper 603, and the bottom end of the reinforcing rod is fixedly connected to the outside of the injection cylinder 6 to improve the installation stability of the feed hopper 603.

[0037] In this embodiment, a driving motor 602 is fixedly connected to the top of the injection cylinder 6, and an output shaft of the driving motor 602 is fixedly connected to the top of the spiral auger 601, so as to facilitate the control of the spiral auger 601 to rotate.

[0038] In this embodiment, the bottom of the upper mold 4 is integrally formed with a square outer edge, and the top of the lower mold 3 is provided with a circular groove adapted to the square outer edge, so that the upper mold 3 and the lower mold 4 are more tightly combined.

[0039] In this embodiment, vertical holes are provided on both sides of the bottom of the lower mold 3 , and the two support plates 201 are slidably connected in the corresponding vertical holes, so as to guide the lower mold 3 to move vertically.

[0040] In this embodiment, a guide rod is fixedly connected to the front side of the push plate 902, and the mounting frame 901 is slidably sleeved on the outside of the two guide rods. A round hole is opened on the top of the fixing frame 10, and the injection cylinder 6 passes through the round hole. A controller 8 is fixedly installed on the top of the base 1, and the controller 8 is electrically connected to the electric push rod 7, the driving motor 602 and the cylinder 9, so as to facilitate the separate control of operation.

[0041] The working principle of the utility model is as follows: the electric push rod 7 is controlled by the controller 8 to operate, so as to drive the lower mold 3 to move upward, and the lower mold 3 drives the rotating arm 501 to rotate through the two first connecting frames 301 and the first connecting plate 302, and the rotating arm 501 slides the second connecting frame 401 through the second connecting plate 402 to drive the upper mold 4 to move downward, so that the outer edge of the upper mold 4 is inserted into the round groove on the lower mold 3 to achieve mold closing, and then the molten metal is poured into the feed hopper 603 and enters the injection cylinder 6, and then the driving motor 602 is started to drive the spiral auger 601 to rotate, so as to transport the molten metal downward and make it enter the interior of the lower mold 3 for injection molding, and the injection molding is realized after the upper mold 4 and the lower mold 3 in the molten metal are cooled, and the lower mold 3 drives the upper mold 4 to move upward through the cooperation of the linkage mechanism, so as to realize automatic demoulding, and then the cylinder 9 is started to drive the push plate 902 to move backward to automatically push out the formed metal parts to realize automatic discharging, thereby improving the injection molding efficiency.

[0042] The above is a detailed introduction to an automated metal injection molding device provided by the utility model. This article uses specific embodiments to explain the principle and implementation method of the utility model. The description of the above embodiments is only used to help understand the method and core idea of ​​the utility model. It should be pointed out that for ordinary technicians in this technical field, without departing from the principle of the utility model, the utility model can also be improved and modified, and these improvements and modifications also fall within the scope of protection of the claims of the utility model.

Claims

1. An automated metal injection molding device, characterized in that: include: A base (1), wherein both sides of the top of the base (1) are fixedly connected to support plates (201), and the tops of the two support plates (201) are fixedly connected to the same supporting plate (2); A lower mold (3), the lower mold (3) is slidably sleeved on the outer side of the supporting plate (2), both sides of the top of the base (1) are fixedly connected with electric push rods (7), and the output ends of the two electric push rods (7) are fixedly connected to the bottom of the lower mold (3); The upper mold (4) is arranged above the lower mold (3), and the top of the upper mold (4) is fixedly connected to an injection molding cylinder (6), and a spiral auger (601) is rotatably installed in the injection molding cylinder (6); The fixed frame (10) is fixedly connected to the top of the base (1), linkage mechanisms are arranged on both sides of the fixed frame (10), and a material pushing mechanism is arranged on the front side of the fixed frame (10).

2. The automated metal injection molding device according to claim 1, characterized in that: The linkage mechanism comprises a fixed shaft (5) fixedly connected to the outside of a fixed frame (10), a first connecting frame (301) fixedly connected to the outside of a lower mold (3), and a second connecting frame (401) fixedly connected to the outside of an upper mold (4); one side of the first connecting frame (301) is rotatably connected to a first connecting plate (302); one side of the second connecting frame (401) is rotatably connected to a second connecting plate (402); the other ends of the first connecting plate (302) and the second connecting plate (402) are rotatably connected to the same rotating arm (501); and the rotating arm (501) is rotatably sleeved on the outside of the fixed shaft (5).

3. The automated metal injection molding device according to claim 1, characterized in that: The pushing mechanism comprises a pushing plate (902) and a mounting frame (901) fixedly connected to the front side of the fixing frame (10); the front side of the mounting frame (901) is fixedly connected to a cylinder (9); and the output end of the cylinder (9) is fixedly connected to the front side of the pushing plate (902).

4. The automated metal injection molding device according to claim 1, characterized in that: The top of the upper mold (4) is provided with an injection port and an exhaust port, the top of the injection cylinder (6) is connected to a feed hopper (603), the bottom of the feed hopper (603) is fixedly connected to a reinforcing rod, and the bottom end of the reinforcing rod is fixedly connected to the outside of the injection cylinder (6).

5. The automated metal injection molding device according to claim 1, characterized in that: The top of the injection cylinder (6) is fixedly connected to a driving motor (602), and the output shaft of the driving motor (602) is fixedly connected to the top of the spiral auger (601).

6. The automated metal injection molding device according to claim 1, characterized in that: The bottom of the upper mold (4) is integrally formed with a square outer edge, and the top of the lower mold (3) is provided with a circular groove adapted to the square outer edge.

7. The automated metal injection molding device according to claim 1, characterized in that: Vertical holes are provided on both sides of the bottom of the lower mold (3), and the two support plates (201) are slidably connected in the corresponding vertical holes.

8. The automated metal injection molding device according to claim 3, characterized in that: The front side of the push plate (902) is fixedly connected to a guide rod, the mounting frame (901) is slidably sleeved on the outer sides of the two guide rods, a round hole is opened on the top of the fixing frame (10), and the injection cylinder (6) passes through the round hole.

9. The automated metal injection molding device according to claim 1, characterized in that: A controller (8) is fixedly mounted on the top of the base (1), and the controller (8) is electrically connected to the electric push rod (7), the drive motor (602) and the cylinder (9).

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