Powder metallurgy insert shaping device

Abstract

The utility model discloses a powder metallurgy insert shaping device which comprises an upper plate body, a mold core assembly and a lower plate body, an M6 screw is arranged on the upper side of the upper plate body, the mold core assembly is arranged on the lower side of the upper plate body, and the M6 screw penetrates through the upper plate body and fixes the mold core assembly. The mold core assembly comprises a mold core plate upper plate and a mold core plate lower plate which are distributed up and down, a guide column, shoveling machines and an upper mold core insert are arranged on the side, facing the mold core plate lower plate, of the mold core plate upper plate, the upper mold core insert is located in the middle of the end face of the mold core plate upper plate, and the shoveling machines are symmetrically fixed to the two sides of the end face of the mold core plate upper plate. The guide columns are distributed at four corners of the end face of the upper plate of the mold core plate. The reshaping die / device is convenient to operate, automation can be achieved, multiple types of products can be exchanged for reshaping, a hydraulic machine and a reshaping die are mainly adopted for reshaping inserts in powder metallurgy insert reshaping at present, reshaping die inserts can be replaced according to different types of products, and efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the field of part powder metallurgy, and specifically relates to a powder metallurgy insert shaping device. Background Technique

[0002] The application of metal powder injection molding parts in automobile equipment has relatively strict requirements. In view of the phenomenon that metal injection molding parts are deformed after high-temperature sintering, it is necessary to correct them through a shaping process to make them meet the design size requirements. During the research and development, problems such as large sintering deformation, unstable shaping size, slow manual part taking during shaping, and low shaping efficiency are encountered.

[0003] For sintering shaping, the shaping fixtures in the prior art generally adopt a complex shaping die structure form, which needs to be installed on the shaping equipment. The placement and taking of products require manual operation, and the speed is relatively slow. Manual operation may cause the wrong placement direction of the product, resulting in damage to the shaping die; moreover, the shaping die is complex to process and costly. At the same time, during the production process, the shaping equipment may damage the shaping die due to the clamping pressure. The materials of the shaping die are all steel materials, which are easy to break and injure the operators, and there are certain operation safety hazards. Content of the Utility Model

[0004] The purpose of the utility model is to provide a powder metallurgy insert shaping device to solve the problems put forward in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A powder metallurgy insert shaping device, including an upper plate body, a die core assembly and a lower plate body. Among them, M6 screws are provided on the upper side of the upper plate body, and the die core assembly is arranged on the lower side of the upper plate body. The M6 screws pass through the upper plate body and fix the die core assembly; the die core assembly includes an upper die core plate and a lower die core plate distributed up and down. On the side of the upper die core plate facing the lower die core plate, guide posts, lifters and upper die insert are arranged. Among them, the upper die insert is located in the middle of the end face of the upper die core plate, the lifters are symmetrically fixed on both sides of the end face of the upper die core plate, and the guide posts are distributed at the four corners of the end face of the upper die core plate.

[0006] Preferably, the end face of the lower die core plate is provided with a guide hole for docking the guide post, the side of the lower die core plate is connected with fixing screws, and a slider is arranged in the middle of the lower die core plate.

[0007] Preferably, the lower plate body is fastened to the lower side of the lower die core plate by M6 screws. The lower plate body and the lower die core plate form a lower template assembly, and the upper plate body and the upper die core plate form an upper template assembly.

[0008] Preferably, the upper template assembly is driven by a hydraulic press and approaches and separates from the lower template assembly. When the upper template assembly approaches for clamping, the product can be corrected by the upper die insert and the slider, and the lifter guides the slider.

[0009] Preferably, the guide pillar is made of Cr12 material which is wear-resistant and not easily damaged, and the upper plate body, the die core assembly and the lower plate body are all made of stainless steel material.

[0010] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0011] The sizing die / device of the present utility model is convenient to operate, can achieve automation, can interchange multiple products for sizing, and currently mainly uses a hydraulic press and a sizing die to size the inserts in powder metallurgy. For different models of products, the sizing die inserts can be replaced to improve efficiency. At the same time, the production line can be quickly switched, and it does not require occupying a large amount of equipment resources. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 is an exploded view of the structure of the present utility model;

[0013] Figure 2 is a schematic structural view of the upper die core plate of the present utility model;

[0014] Figure 3 is a schematic structural view of the upper plate body of the present utility model;

[0015] Figure 4 is a schematic structural view of the lower plate body of the present utility model;

[0016] Figure 5 is a schematic structural view of the lower die core plate of the present utility model.

[0017] In the figure: 1. Upper plate body; 2. Upper die core plate; 3. Lower die core plate; 4. Lower plate body; 5. M6 screw; 6. Guide pillar; 7. Slide block; 8. Fixed screw; 9. Shovel machine; 10. Upper die insert; 11. Product. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0018] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0019] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "vertical", "upper", "lower", "horizontal", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present utility model.

[0020] In the description of the present utility model, it should also be noted that, unless otherwise clearly specified and defined, the terms "set", "installed", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0021] Please refer to Figures 1-5 , the present utility model provides a technical solution: a powder metallurgy insert shaping device, which includes an upper plate body 1, a die core assembly, and a lower plate body 4. Among them, an M6 screw 5 is provided on the upper side of the upper plate body 1, and the die core assembly is arranged on the lower side of the upper plate body 1. The M6 screw 5 passes through the upper plate body 1 and fixes the die core assembly; the die core assembly includes a die core plate upper plate 2 and a die core plate lower plate 3 distributed up and down. On one side of the die core plate upper plate 2 facing the die core plate lower plate 3, a guide post 6, a lifter 9, and an upper die insert 10 are arranged. Among them, the upper die insert 10 is located in the middle of the end face of the die core plate upper plate 2, the lifters 9 are symmetrically fixed on both sides of the end face of the die core plate upper plate 2, and the guide posts 6 are distributed at the four corners of the end face of the die core plate upper plate 2.

[0022] In this embodiment, a guide hole for docking the guide post 6 is provided on the end face of the die core plate lower plate 3. A fixing screw is connected to the side of the die core plate lower plate 3, and a slider 7 is provided in the middle of the die core plate lower plate 3.

[0023] In this embodiment, the lower plate body 4 is fastened to the lower side of the die core plate lower plate 3 by an M6 screw 5. The lower plate body 4 and the die core plate lower plate 3 form a lower template assembly, and the upper plate body 1 and the die core plate upper plate 2 form an upper template assembly.

[0024] In this embodiment, the upper template assembly is driven by a hydraulic press and approaches and moves away from the lower template assembly. When the upper template assembly approaches for mold closing, the product 11 can be corrected by the upper die insert 10 and the slider 7, and the slider 7 can be guided by the lifter 9.

[0025] In this embodiment, the guide post 6 is made of Cr12 material that is wear-resistant and not easily damaged, and the upper plate body 1, the die core assembly, and the lower plate body 4 are all made of stainless steel material.

[0026] During use, the product 11 is placed on the slider 7. The die core plate upper plate 2 and the die core plate lower plate 3 are closed under the drive of the hydraulic system to shape the product 11. After shaping, the die core plate upper plate 2 and the die core plate lower plate 3 are opened. The slider 7 plays a role in correcting the product 11 for the die core, the fixing screw plays a role in positioning the slider 7, and the lifter 9 plays a role in guiding the slider 7.

[0027] It should be noted that: when the above device is produced for the first time, the position of the jig on the workbench needs to be accurately positioned, and the center distance of the product 11 after shaping needs to be ensured within the dimensional range.

[0028] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A powder metallurgy insert shaping device, characterized in that: The invention comprises an upper plate body (1), a core assembly and a lower plate body (4), wherein an M6 screw (5) is arranged on the upper side of the upper plate body (1), and a core assembly is arranged on the lower side of the upper plate body (1), and the M6 ​​screw (5) passes through the upper plate body (1) and fixes the core assembly; the core assembly comprises an upper plate (2) and a lower plate (3) of a core plate distributed up and down, and a guide column (6), a shovel (9) and an upper mold insert (10) are arranged on the side of the upper plate (2) of the core plate facing the lower plate (3) of the core plate, wherein the upper mold insert (10) is located in the middle of the end face of the upper plate (2) of the core plate, the shovel (9) is symmetrically fixed on both sides of the end face of the upper plate (2) of the core plate, and the guide columns (6) are distributed at the four corners of the end face of the upper plate (2) of the core plate.

2. A powder metallurgy insert shaping device according to claim 1, characterized in that: The end surface of the core plate lower plate (3) is provided with a guide hole for docking with a guide column (6), the side of the core plate lower plate (3) is connected with a fixing screw, and a sliding block (7) is provided in the middle of the core plate lower plate (3).

3. A powder metallurgy insert shaping device according to claim 1, characterized in that: The lower plate body (4) is fastened to the lower side of the lower plate (3) of the core plate by means of M6 screws (5); the lower plate body (4) and the lower plate (3) of the core plate form a lower template assembly; the upper plate body (1) and the upper plate (2) of the core plate form an upper template assembly.

4. A powder metallurgy insert shaping device according to claim 3, characterized in that: The upper mold assembly is driven by a hydraulic press and moves closer to or farther from the lower mold assembly. When approaching mold closing, the upper mold assembly can correct the product (11) through the upper mold insert (10) and the slider (7), and guide the slider (7) through the shovel machine (9).

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