A mold trimming device for processing a metal injection molded product

Abstract

The utility model discloses a kind of mould trimming equipment for metal injection molding product processing, it is related to metal injection molding product processing technical field, including shell, the inner wall one side of shell is fixedly connected with rotary piece, the side of rotary piece is equipped with airflow nozzle, the inner wall other side of shell is fixedly connected with collection port.The mould trimming equipment for metal injection molding product processing, through hydraulic cylinder, piston rod control upper die seat reciprocating motion, drive straight rack and gear meshing, drive gear forward or reverse rotation, to drive airflow cylinder and airflow nozzle periodic up-down swing, effectively cleaning by airflow nozzle to the metal scrap on the surface of female die, reduce the dead angle of cleaning, and through the collection port to the metal scrap that blows is collected, it is convenient for recycling, effectively improve work efficiency, and when die cutting to metal injection molding product, impact force can be buffered by spring, slow vibration, avoid causing the damage of upper male die.

Description

Technical Field

[0001] This utility model relates to the field of metal injection molding product processing technology, specifically to a mold trimming device for metal injection molding product processing. Background Technology

[0002] Metal injection molding is an advanced manufacturing technology that combines the advantages of plastic injection molding and powder metallurgy. It is used to produce small metal parts with complex shapes and high precision. In metal injection molding, mold trimming equipment plays an important role. Through mold trimming equipment, sintered metal parts can be precisely trimmed or slit to remove burrs and flash, thereby improving the processing quality of the metal parts.

[0003] In the operation of mold trimming equipment, chips are generated, requiring regular manual cleaning, which is inconvenient. Existing technology (Chinese patent application CN201821336717.3, filed August 18, 2018) hydraulic trimming machine, during use, includes a machine base with a frame. A movable seat is slidably connected to the frame. A trimming mold is located at the bottom of the movable seat. A hydraulic cylinder on the frame drives the movable seat to slide along the height direction of the frame. Below the movable seat is an elastic component, including a movable plate and a fixed plate arranged sequentially from top to bottom. The movable plate has a first through hole and can slide along the length of the machine base. Multiple non-collinear guide posts are vertically fixed to the fixed plate, and the movable plate slides along the height direction of the guide posts. Each guide post has an elastic element sleeved between the movable plate and the fixed plate, with both ends of the elastic element fixed to the movable plate and the fixed plate, respectively.

[0004] Although existing technology can perform die-cutting on metal parts, the chips generated during the die-cutting process remain on the surface of the die, affecting the efficiency and quality of the die-cutting. The chips need to be cleaned manually, which is time-consuming and labor-intensive. Utility Model Content

[0005] The purpose of this invention is to provide a die-cutting device for metal injection molding products, in order to solve the problem mentioned in the background art that die cutting leaves residual chips, which affects the efficiency and quality of die cutting and requires manual cleaning of chips.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a mold trimming device for processing metal injection molded products, comprising a housing, a rotating component fixedly connected to one side of the inner wall of the housing, an airflow nozzle provided on one side of the rotating component, a collection port fixedly connected to the other side of the inner wall of the housing, and a connection port provided on the top side of the collection port.

[0007] The upper mold base is provided on the top side of the inner wall of the housing, and the lower mold base is fixedly connected to the bottom side of the inner wall of the housing. A hydraulic component is fixedly connected to the top surface of the housing. The hydraulic component acts on the extension and retraction of the upper mold base to realize the die-cutting work of the metal injection molded product. A straight rack is fixedly connected to one side surface of the upper mold base. The hydraulic component drives the straight rack to move up and down reciprocally through the upper mold base. The straight rack acts on the rotating component to realize the function of the airflow nozzle swinging up and down.

[0008] Furthermore, the rotating component includes a support block fixedly connected to one side of the inner wall of the housing, an airflow cylinder rotatably connected to the inner wall of the support block, an air inlet on one side of the airflow cylinder, and a gear fixedly connected to one side surface of the airflow cylinder.

[0009] Furthermore, the airflow nozzles are fixedly connected to the outer wall of the airflow cylinder, and the airflow nozzles are evenly distributed on the outer wall of the airflow cylinder.

[0010] Furthermore, the hydraulic component includes a hydraulic cylinder fixedly connected to the top surface of the housing, a piston rod inserted into the bottom surface of the hydraulic cylinder, the bottom end of the piston rod being fixedly connected to the upper mold base, and the upper mold base forming a telescopic mechanism with the hydraulic cylinder through the piston rod.

[0011] Furthermore, the hydraulic cylinder forms a transmission mechanism with the airflow cylinder through a piston rod, upper mold base, rack and pinion, and gears.

[0012] Furthermore, guide rods are fixedly connected to the top four corners of the lower mold base, and limiting holes with internal dimensions consistent with the external dimensions of the guide rods are opened through the bottom four corners of the upper mold base. The upper mold base and the guide rods form a sliding mechanism through the limiting holes.

[0013] Furthermore, a spring is provided on the outside of the guide rod, and the upper mold base and the lower mold base form an elastic mechanism through the spring.

[0014] Compared with the prior art, the beneficial effects of this utility model are: the mold trimming equipment for metal injection molding product processing adopts a novel structural design, the specific details of which are as follows: (1) The metal injection molding die trimming equipment is equipped with an airflow nozzle, a collection port and an upper die base. The upper die base is controlled to move up and down reciprocally by a hydraulic cylinder and a piston rod. The rack is fixedly connected to the upper die base and meshes with a gear, which drives the gear to rotate in the forward or reverse direction, thereby driving the airflow cylinder and airflow nozzle to swing up and down periodically. The airflow nozzle cleans the metal debris on the surface of the die from all directions, avoiding dead corners in the cleaning and causing metal debris residue, which affects the efficiency of die cutting. The collection port collects the blown metal debris, which is convenient for recycling and effectively improves the work efficiency.

[0015] (2) The metal injection molding product processing mold trimming equipment is equipped with a lower mold base, a guide rod and a spring. When the metal injection molding product is die-cut by the punch and the die, the upper mold base slides on the outer wall of the guide rod through the limiting holes at the four corners of the top, and the spring can buffer the impact force, reduce vibration and avoid damage to the upper punch. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the main structure of this utility model; Figure 2 This is a front view structural diagram of the present invention; Figure 3 This is a schematic diagram of the airflow nozzle structure of this utility model; Figure 4 This is a schematic diagram of the collection port structure of this utility model; Figure 5 This is a schematic diagram of the upper mold base structure of this utility model; Figure 6 This is a schematic diagram of the lower mold base structure of this utility model.

[0017] In the diagram: 1. Shell; 2. Airflow nozzle; 3. Collection port; 4. Upper mold base; 5. Lower mold base; 6. Support block; 7. Airflow cylinder; 8. Air inlet; 9. Gear; 10. Connection port; 11. Hydraulic cylinder; 12. Piston rod; 13. Spur rack; 14. Guide rod; 15. Spring. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0019] Example 1: Please refer to Figures 1-5 This utility model provides the following technical solution: a mold trimming device for metal injection molding products, disclosing an airflow nozzle 2, a collection port 3, and an upper mold base 4, including a housing 1. A rotating component is fixedly connected to one side of the inner wall of the housing 1, and an airflow nozzle 2 is provided on one side of the rotating component. A collection port 3 is fixedly connected to the other side of the inner wall of the housing 1, and a connection port 10 is provided on the top side of the collection port 3. An upper mold base 4 is provided on the top side of the inner wall of the housing 1, and a lower mold base 5 is fixedly connected to the bottom side of the inner wall of the housing 1. Figure 3 As shown, a support block 6 is fixedly connected to one side surface of the housing 1, and an airflow cylinder 7 is rotatably connected to the inner wall of the support block 6. An air inlet 8 is provided on one side of the airflow cylinder 7, and a gear 9 is fixedly connected to one side surface of the airflow cylinder 7. Figure 3As shown, the airflow nozzles 2 are fixedly connected to the outer wall of the airflow cylinder 7, and the airflow nozzles 2 are evenly distributed on the outer wall of the airflow cylinder 7, such as... Figure 4 As shown, the collection port 3 is fixedly connected to one side of the inner wall of the housing 1. A connection port 10 is provided on the top side of the collection port 3. It also includes a hydraulic cylinder 11 fixedly connected to the top surface of the housing 1. A piston rod 12 is inserted into the bottom surface of the hydraulic cylinder 11. The bottom end of the piston rod 12 is fixedly connected to the upper mold base 4. The upper mold base 4 forms a telescopic mechanism with the hydraulic cylinder 11 via the piston rod 12. Figure 5 As shown, a straight toothed rack 13 is fixedly connected to one side surface of the upper mold base 4.

[0020] In use, the air inlet 8 of the airflow cylinder 7 is connected to the high-pressure air compressor via a pipeline. The connection port 10 of the collection port 3 is connected to the collection tank and the centrifugal fan in sequence via a pipeline. The hydraulic cylinder 11 is connected to the oil pump and the oil storage tank via a pipeline. The oil pump delivers hydraulic oil from the oil storage tank to the hydraulic cylinder 11, extending the piston rod 12 and pushing the upper mold base 4 downward. This causes the rack 13 to mesh with the gear 9, rotating the gear 9 half a turn. This, in turn, causes the airflow cylinder 7 and the airflow nozzle 2 to rotate half a turn, through which the airflow nozzle... 2. The metal debris on the die surface of the lower die holder 5 is quickly cleaned to avoid metal debris residue affecting the die-cutting efficiency. When the upper die holder 4 is reset, the gear 9 is rotated half a turn in the opposite direction by the rack 13, which in turn drives the airflow cylinder 7 and the airflow nozzle 2 to rotate half a turn in the opposite direction. The airflow nozzle 2 cleans the metal debris on the die surface of the lower die holder 5 again, which can effectively remove the metal debris from the die surface. At the same time, the blown metal debris is adsorbed and collected by the collection port 3, which effectively improves the work efficiency.

[0021] Example 2: Figure 1 , Figure 2 , Figure 5 and Figure 6 The technical solution shown, based on Embodiment 1, also discloses a lower mold base 5, a guide rod 14, and a spring 15, as follows: Figure 6 As shown, guide rods 14 are fixedly connected to the top four corners of the lower mold base 5, and limiting holes with internal dimensions matching the external dimensions of the guide rods 14 are opened through the bottom four corners of the upper mold base 4. The upper mold base 4 and the guide rods 14 form a sliding mechanism through the limiting holes. Figure 6 As shown, a spring 15 is provided on the outside of the guide rod 14, and the upper mold base 4 and the lower mold base 5 form an elastic mechanism through the spring 15.

[0022] In use, the punch is installed at the bottom of the upper mold base 4 and the die is installed at the top of the lower mold base 5. The upper mold base 4 is controlled to move up and down reciprocally by the hydraulic cylinder 11 and the piston rod 12. The punch directly contacts the material to complete the punching, and the die and punch cooperate to form a shearing space to die-cut the metal injection molded product, remove the burrs of the metal injection molded product and shape the metal injection molded product. When the upper mold base 4 moves downward, the upper mold base 4 slides on the outer wall of the guide rod 14 through the limiting holes at the four corners of the bottom, and the impact force can be buffered by the spring 15 to reduce vibration and avoid damage to the upper punch.

[0023] The above is the entire working process of the device, and the contents not described in detail in this specification are existing technologies known to those skilled in the art.

[0024] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A mold trimming device for processing metal injection molded products, comprising a housing (1), a rotating component fixedly connected to one side of the inner wall of the housing (1), an airflow nozzle (2) provided on one side of the rotating component, and a collection port (3) fixedly connected to the other side of the inner wall of the housing (1), with a connection port (10) provided on one side of the top of the collection port (3). Its features are: The inner wall of the housing (1) is provided with an upper mold base (4), and the inner wall of the housing (1) is fixedly connected with a lower mold base (5). The top surface of the housing (1) is fixedly connected with a hydraulic component. The hydraulic component acts on the extension and retraction of the upper mold base (4) to realize the die-cutting work of the metal injection molded product. A straight rack (13) is fixedly connected to one side surface of the upper mold base (4). The hydraulic component drives the straight rack (13) to move up and down through the upper mold base (4). The straight rack (13) acts on the rotating component to realize the function of the airflow nozzle (2) swinging up and down.

2. The mold trimming apparatus for processing a metal injection molding product according to claim 1, characterized by: The rotating component includes a support block (6) fixedly connected to one side of the inner wall of the housing (1). An airflow cylinder (7) is rotatably connected to the inner wall of the support block (6). An air inlet (8) is provided on one side of the airflow cylinder (7). A gear (9) is fixedly connected to one side surface of the airflow cylinder (7).

3. The mold trimming apparatus for processing a metal injection molding product according to claim 1, wherein: The airflow nozzle (2) is fixedly connected to the outer wall of the airflow cylinder (7), and the airflow nozzle (2) is distributed at equal distances on the outer wall of the airflow cylinder (7).

4. The mold trimming apparatus for processing a metal injection molding product according to claim 1, wherein: The hydraulic component includes a hydraulic cylinder (11) fixedly connected to the top surface of the housing (1). A piston rod (12) is inserted into the bottom surface of the hydraulic cylinder (11). The bottom end of the piston rod (12) is fixedly connected to the upper mold base (4). The upper mold base (4) forms a telescopic mechanism with the hydraulic cylinder (11) through the piston rod (12).

5. The mold trimming apparatus for processing a metal injection molding product according to claim 4, characterized by: The hydraulic cylinder (11) forms a transmission mechanism with the airflow cylinder (7) through the piston rod (12), upper mold base (4), spur rack (13) and gear (9).

6. The mold trimming apparatus for processing a metal injection molding product according to claim 4, wherein: The lower mold base (5) is fixedly connected to the four corners of the top with guide rods (14), and the upper mold base (4) is provided with limiting holes at the four corners of the bottom with internal dimensions consistent with the external dimensions of the guide rods (14). The upper mold base (4) and the guide rods (14) form a sliding mechanism through the limiting holes.

7. The mold trimming apparatus for processing a metal injection molding product according to claim 6, wherein: The guide rod (14) is provided with a spring (15) on its outside, and the upper mold base (4) and the lower mold base (5) form an elastic mechanism through the spring (15).

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