Permanent magnetic ferrite dry powder forming scraping box

By introducing the permanent magnet ferrite dry powder molded scraper box into the scraper box in the powder metallurgy industry, the problem of uneven filling of powder in the mold cavity is solved, the uniformity of workpiece density and thickness is achieved, and the quality of molded workpieces is improved.

CN222662102UActive Publication Date: 2025-03-25HENGDIAN GRP DMEGC MAGNETICS CO LTD +1
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Patent Information

Application Number
CN202421017953.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-11
Publication Date
2025-03-25
Estimated Expiration
2034-05-11

AI Technical Summary

Technical Problem

During the pressing and forming process of the powder metallurgy industry, the filling of raw material powder in the mold cavity is insufficient, resulting in uneven density and inconsistent thickness of the workpiece after forming, and easy to cause deformation or cracks.

Method used

A permanent magnet ferrite dry powder molded scraper box is designed, including the material box body, linear track, moving assembly, scraper assembly and push cylinder. The scraping cylinder drives the scraping plate to move forward and backward, so that the powder is uniformly scraped into the cavity of the molding mold; at the same time, the pushing cylinder is used to switch the material box body between the feeding station and the scraping station.

Benefits of technology

Through the design of the scraper box, the powder is uniformly filled in the mold cavity, avoiding the problems of uneven workpiece density and inconsistent thickness, and improving the quality of the molded workpiece.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a permanent magnetic ferrite dry powder forming scraping box which comprises a material box body and a linear track installed above a workbench, the two sides of the material box body are connected with moving assemblies used for being matched with the linear track, the bottom of the material box body is connected with a nylon bottom plate, one side face of the material box body is provided with a scraping assembly, and the other side face of the material box body is provided with a driving assembly. The material scraping assembly comprises a mounting frame and a material scraping air cylinder, the mounting frame is mounted on the material box body, the material scraping air cylinder is mounted above the mounting frame, the output end of the material scraping air cylinder is connected with a guide shaft, the guide shaft is slidably connected with the material box body, the end of the guide shaft extends into the material box body, and the end of the guide shaft is connected with a material scraping plate. The material scraping assembly is installed on the side face of the material box body, when the material box body moves to the position above a forming die, the material scraping air cylinder drives the material scraping plate to move front and back to conduct material scraping, and powder in the material box body is evenly scraped into a cavity of the forming die.
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Description

Technical Field

[0001] The utility model belongs to the technical field of scraper boxes, and in particular relates to a permanent magnet ferrite dry powder forming scraper box. Background Art

[0002] In the pressing and forming process of the powder metallurgy industry, the raw material powder in the feeding box is evenly filled into the die cavity of the press through the front and rear transfer mechanism, and the upper punch presses the powder in the die cavity of the lower die to form the required workpiece blank. The uniformity of the raw material powder filling in the die cavity determines whether the density of the workpiece after pressing and forming is uniform and whether the thickness of the workpiece is consistent. Workpiece blanks with uneven density and inconsistent thickness will be deformed or cracked after high-temperature sintering and will be scrapped.

[0003] Therefore, there is an urgent need for a permanent magnet ferrite dry powder molding scraper box to ensure uniform filling of the powder in the mold cavity. Utility Model Content

[0004] In order to solve the problems raised in the above background technology, the utility model provides a permanent magnet ferrite dry powder molding scraper box, which has the characteristic of ensuring the uniformity of powder filling in the mold cavity.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a permanent magnet ferrite dry powder forming scraper box, comprising a box body and a linear track installed above a workbench, movable components for cooperating with the linear track are connected to both sides of the box body, a nylon bottom plate is connected to the bottom of the box body, a scraper component is installed on one side of the box body, the scraper component comprises a mounting frame and a scraper cylinder, the mounting frame is installed on the box body, the scraper cylinder is installed above the mounting frame, a guide shaft is connected to the output end of the scraper cylinder, the guide shaft is slidably connected to the box body, the end of the guide shaft extends into the interior of the box body, and the end of the guide shaft is connected to a scraper plate.

[0006] Furthermore, a cavity is provided inside the material box body, and the bottom of the material box body is an open structure, and a discharge groove corresponding to the opening structure is provided on the nylon bottom plate.

[0007] In order to realize the switching of the material box body between the material adding station and the material scraping station, it further includes a pushing cylinder installed above the workbench, and the output end of the pushing cylinder is connected to the material box body.

[0008] In order to facilitate adding powder into the material box body, a material adding port is further installed on the upper part of the material box body.

[0009] In order to enable the material box body to move, the moving component further includes a mounting shaft and two symmetrically arranged mounting blocks, wherein the mounting shaft is arranged inside the mounting blocks, and rollers are connected to both ends of the mounting shaft.

[0010] In order to ensure the smooth movement of the material box body, further, the roller is a bearing structure.

[0011] In order to press the nylon bottom plate tightly against the work surface and avoid leakage of powder when the material box body moves, thereby avoiding waste of powder, a waist hole is further provided inside the mounting block, the mounting shaft is inserted into the waist hole, and a spring is installed at the bottom of the waist hole.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model has a scraper assembly installed on the side of the material box body. When the material box body moves to the top of the forming mold, the scraper cylinder drives the scraper plate to move back and forth to scrape the material, and the powder in the material box body is evenly scraped into the cavity of the forming mold;

[0014] 2. The utility model also includes a push cylinder installed above the workbench, the output end of which is connected to the material box body, and the material box body is driven to move by the push cylinder to realize the switching of the material box body between the feeding station and the scraping station;

[0015] 3. The roller of the utility model is a bearing structure to ensure the smooth movement of the material box body;

[0016] 4. A waist hole is provided inside the mounting block of the utility model, and the mounting shaft is inserted into the waist hole. A spring is installed at the bottom of the waist hole. The spring acts on the mounting shaft, so that the mounting shaft is subjected to an upward force. The nylon bottom plate is tightly pressed against the work surface by the action of the roller and the linear track, so that the powder is prevented from leaking out when the material box body moves, thereby avoiding waste of powder. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0018] Figure 1 It is a structural schematic diagram of the utility model;

[0019] Figure 2 It is a structural schematic diagram of the mobile component of the utility model;

[0020] Figure 3 It is a cross-sectional structural diagram of the connection between the mounting block and the mounting shaft of the utility model;

[0021] Figure 4 This is a schematic diagram of the structure of the scraper assembly of the utility model;

[0022] In the figure: 1. Cartridge body; 2. Moving assembly; 21. Mounting block; 22. Roller; 23. Mounting shaft; 24. Slot; 25. Spring; 3. Linear track; 4. Pushing cylinder; 5. Scraping assembly; 51. Mounting frame; 52. Scraping cylinder; 53. Guide shaft; 54. Scraping plate; 6. Feeding port; 7. Nylon base plate. Detailed implementation

[0023] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0024] Embodiment 1

[0025] Please refer to Figure 1-4 , the present invention provides the following technical solutions: A scraping cartridge for the dry powder forming of permanent magnet ferrite, including a cartridge body 1 and a linear track 3 installed above the workbench. The cross-section of the linear track 3 is a "C" - shaped structure. Both sides of the cartridge body 1 are connected with a moving assembly 2 for cooperating with the linear track 3. The bottom of the cartridge body 1 is connected with a nylon base plate 7. A scraping assembly 5 is installed on one side of the cartridge body 1. The scraping assembly 5 includes a mounting frame 51 and a scraping cylinder 52. The mounting frame 51 is installed on the cartridge body 1, the scraping cylinder 52 is installed above the mounting frame 51. The output end of the scraping cylinder 52 is connected with a guide shaft 53. The guide shaft 53 is slidably connected with the cartridge body 1. The end of the guide shaft 53 extends into the interior of the cartridge body 1, and the end of the guide shaft 53 is connected with a scraping plate 54.

[0026] By adopting the above technical solutions, the present invention installs a scraping assembly 5 on the side of the cartridge body 1. When the cartridge body 1 moves above the forming die, the scraping plate 54 is driven by the scraping cylinder 52 to move back and forth for scraping, and the powder in the cartridge body 1 is evenly scraped into the cavity of the forming die.

[0027] Specifically, a cavity is provided inside the cartridge body 1, and the bottom of the cartridge body 1 is an open structure. The nylon base plate 7 is provided with a discharge slot corresponding to the open structure.

[0028] Specifically, it further includes a pushing cylinder 4 installed above the workbench. The output end of the pushing cylinder 4 is connected with the cartridge body 1.

[0029] By adopting the above technical solutions, the pushing cylinder 4 drives the cartridge body 1 to move, realizing the switching of the cartridge body 1 between the feeding station and the scraping station.

[0030] Specifically, a material adding port 6 is installed above the material box body 1 .

[0031] By adopting the above technical solution, it is convenient to add powder into the material box body 1.

[0032] Specifically, the moving assembly 2 includes a mounting shaft 23 and two symmetrically arranged mounting blocks 21 , wherein the mounting shaft 23 is arranged inside the mounting blocks 21 , and rollers 22 are connected to both ends of the mounting shaft 23 .

[0033] By adopting the above technical solution, the roller 22 cooperates with the linear track 3 so that the material box body 1 can move.

[0034] Example 2

[0035] The present embodiment is different from the first embodiment in that: specifically, the roller 22 is a bearing structure.

[0036] By adopting the above technical solution, the smoothness of movement of the material box body 1 is ensured.

[0037] Example 3

[0038] The present embodiment is different from the first embodiment in that: specifically, a waist hole 24 is provided inside the mounting block 21 , the mounting shaft 23 is inserted into the waist hole 24 , and a spring 25 is installed at the bottom of the waist hole 24 .

[0039] By adopting the above technical solution, the spring 25 acts on the installation shaft 23, so that the installation shaft 23 is subjected to an upward force. The roller 22 and the linear track 3 press the nylon bottom plate 7 tightly against the work surface, thereby preventing the powder from leaking out when the material box body 1 moves, thereby avoiding waste of powder.

[0040] In summary, the utility model is provided with a scraper assembly 5 on the side of the material box body 1. When the material box body 1 is moved above the molding die, the scraper plate 54 is driven by the scraper cylinder 52 to move back and forth to scrape the material, so that the powder in the material box body 1 is evenly scraped into the mold cavity of the molding die; the utility model also includes a pusher cylinder 4 installed above the workbench, the output end of the pusher cylinder 4 is connected to the material box body 1, and the material box body 1 is driven to move by the pusher cylinder 4, so that the material box body 1 can be moved between the feeding station and the scraper station. Switching; the roller 22 of the utility model is a bearing structure to ensure the smooth movement of the material box body 1; a waist hole 24 is provided inside the mounting block 21 of the utility model, and the mounting shaft 23 is inserted into the waist hole 24, and a spring 25 is installed at the bottom of the waist hole 24, and the spring 25 acts on the mounting shaft 23, so that the mounting shaft 23 is subjected to an upward force, and the roller 22 and the linear track 3 The nylon bottom plate 7 is tightly pressed on the work surface to prevent the powder from leaking out when the material box body 1 moves, and to avoid wasting the powder.

[0041] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A permanent magnet ferrite dry powder forming scraper box, characterized in that: It includes a material box body and a linear track installed above the workbench, moving components for cooperating with the linear track are connected to both sides of the material box body, a nylon bottom plate is connected to the bottom of the material box body, a scraper component is installed on one side of the material box body, the scraper component includes a mounting frame and a scraper cylinder, the mounting frame is installed on the material box body, the scraper cylinder is installed above the mounting frame, a guide shaft is connected to the output end of the scraper cylinder, the guide shaft is slidably connected to the material box body, the end of the guide shaft extends into the interior of the material box body, and the end of the guide shaft is connected to a scraper plate.

2. A permanent magnet ferrite dry powder forming scraper box according to claim 1, characterized in that: The interior of the material box body is provided with a cavity, and the bottom of the material box body is an opening structure, and the nylon bottom plate is provided with a discharge groove corresponding to the opening structure.

3. A permanent magnet ferrite dry powder forming scraper box according to claim 1, characterized in that: It also includes a material pushing cylinder installed above the workbench, and the output end of the material pushing cylinder is connected to the material box body.

4. A permanent magnet ferrite dry powder forming scraper box according to claim 1, characterized in that: A material adding port is installed above the material box body.

5. A permanent magnet ferrite dry powder forming scraper box according to claim 1, characterized in that: The moving assembly comprises a mounting shaft and two symmetrically arranged mounting blocks, wherein the mounting shaft is arranged inside the mounting blocks, and rollers are connected to both ends of the mounting shaft.

6. A permanent magnet ferrite dry powder forming scraper box according to claim 5, characterized in that: The roller is a bearing structure.

7. A permanent magnet ferrite dry powder forming scraper box according to claim 5, characterized in that: A waist hole is arranged inside the installation block, the installation shaft is inserted into the waist hole, and a spring is installed at the bottom of the waist hole.