High-speed stamping soft magnet core forming die

Abstract

The utility model relates to the technical field of soft magnet magnetic core forming dies, in particular to a high-speed stamping soft magnet magnetic core forming die which comprises an upper die base plate, an upper die arranged on the upper die base plate, a male die fixedly installed on the bottom face of the upper die, a lower die base plate arranged below the upper die base plate, and a lower die arranged on the lower die base plate. A female die is fixedly installed on the lower die, rectangular grooves are formed in the upper die base plate and the lower die base plate correspondingly, rectangular ring grooves are formed in the groove walls of the rectangular grooves, through holes are formed in the groove walls of the four corners of each rectangular ring groove correspondingly, threaded cylinder barrels are inserted into the through holes in a matched mode, and fixing discs are fixedly installed at the ends of the threaded cylinder barrels. The fixing disc is fixedly installed on the corresponding upper die base plate and the lower die base plate, and the upper die and the lower die are located in the corresponding rectangular ring grooves and fixedly connected with the threaded cylinder barrel. According to the utility model, different types of male dies and female dies can be conveniently replaced for preparation operation of corresponding products, and the use is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of soft magnetic core forming molds, and specifically to a high-speed stamping soft magnetic core forming mold. Background Technique

[0002] With the rapid development of technology, especially the increasing demand for precision components in industries such as electronics, communication, automotive, machinery, and household appliances, soft ferrite magnetic cores, as key components in these fields, their performance and quality directly affect the performance and reliability of end products; the traditional soft ferrite magnetic core forming process mainly uses powder forming technology, and this technology generally adopts a one-way counter-pressure forming method during pressing, but the one-way pressing method has defects such as uneven internal density distribution and long pressing time.

[0003] As an important part of modern advanced manufacturing technology, high-speed stamping technology has been widely used in the field of metal processing and manufacturing due to its advantages such as high production efficiency, high precision, high consistency, energy conservation, and consumption reduction. Currently, when producing soft ferrite magnetic cores, high-speed stamping is usually also used to complete the preparation; high-speed stamping can not only effectively solve the problems of uneven density distribution and low production efficiency existing in the traditional forming process, but also further improve the precision and consistency of products and reduce production costs.

[0004] However, when using high-speed stamping for preparation operations, corresponding molds are required. This mold usually consists of a female mold and a male mold. The traditional female mold and male mold are designed according to the shape of the product. Each set of molds can only produce a single product. When producing different products, the entire set of molds needs to be replaced, and there is a defect that different types of magnetic cores cannot be prepared only by replacing the female mold and the male mold, resulting in increased costs and inconvenience to users. In view of this, we have proposed a high-speed stamping soft magnetic core forming mold. Summary of the Utility Model

[0005] The purpose of the utility model is to provide a high-speed stamping soft magnetic core forming mold to solve the defects mentioned in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solutions:

[0007] High-speed stamping soft magnetic core forming die, including an upper die backing plate, an upper die is arranged on the upper die backing plate, a punch is fixedly installed on the bottom surface of the upper die, a lower die backing plate is arranged below the upper die backing plate, a lower die is arranged on the lower die backing plate, a die cavity is fixedly installed on the lower die, rectangular grooves are arranged in both the upper die backing plate and the lower die backing plate, rectangular annular grooves are arranged on the groove walls of the rectangular grooves, through holes are arranged on the groove walls at the four corner parts of the rectangular annular grooves, threaded cylinders are inserted and fitted in the through holes, fixing plates are fixedly installed at the ends of the threaded cylinders, the fixing plates are fixedly installed on the corresponding upper die backing plate and lower die backing plate, and the upper die and the lower die are located in the corresponding rectangular annular grooves and are fixedly connected with the threaded cylinders.

[0008] Preferably, the size of the punch is adapted to the size of the die cavity, and the sizes of the upper die backing plate and the lower die backing plate are adapted to the size of the rectangular annular groove.

[0009] Preferably, the upper die and the lower die are threadedly connected with the threaded cylinders, and the size of the threaded cylinder is adapted to the size of the through hole.

[0010] Preferably, an upper die fixing plate is fixedly installed on the upper surface of the upper die backing plate, and the upper die fixing plate is fixedly installed on an external driving device.

[0011] Preferably, guide holes are arranged at the four corner parts of the upper die backing plate, a plurality of guide posts arranged in a matrix are fixedly installed on the upper surface of the upper die, the guide posts are located in the guide holes and are inserted and fitted with the guide holes, and the upper die backing plate is slidably connected with the guide posts.

[0012] Preferably, a bottom support plate is arranged at the bottom of the lower die backing plate, and a plurality of support beams arranged linearly and equidistantly are fixedly installed at the bottom of the bottom support plate.

[0013] Preferably, a plurality of replacement holes arranged in a matrix are arranged on the bottom support plate, and the replacement holes are located directly below the fixing plates.

[0014] Preferably, exposure holes are arranged between two adjacent support beams, and the exposure holes are located below the replacement holes.

[0015] Compared with the prior art, the beneficial effects of the present utility model are:

[0016] 1. By arranging the upper die backing plate and the lower die backing plate, and arranging rectangular grooves and rectangular annular grooves in the upper die backing plate and the lower die backing plate, the upper die and the lower die are fixedly installed on the threaded cylinders by fastening screws, which is convenient for replacing only the upper die and the lower die when preparing different types of magnetic cores, achieving the effects of cost saving and being able to prepare different types of magnetic cores.

[0017] 2. The utility model is inserted and matched between the threaded cylinder barrel and the through hole, and the threaded cylinder barrel is fixed by a fixing plate, which is convenient for timely replacement of the threaded cylinder barrel after the internal thread inside the threaded cylinder barrel is worn, and is convenient for use. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 is an exploded schematic diagram of the utility model;

[0020] Figure 3 is one of the schematic diagrams of the partial structure of the utility model;

[0021] Figure 4 is the second of the schematic diagrams of the partial structure of the utility model;

[0022] Figure 5 for the utility model Figure 4 is an enlarged view of part A in;

[0023] The meanings of the various reference numerals in the figure are as follows:

[0024] 1. Upper die backing plate; 10. Upper die fixing plate; 11. Guide hole; 12. Upper die; 121. Punch;

[0025] 2. Lower die backing plate; 21. Lower die; 22. Die cavity; 23. Guide post;

[0026] 3. Rectangular groove; 30. Rectangular ring groove; 301. Through hole; 31. Threaded cylinder barrel; 32. Fixing plate;

[0027] 4. Bottom support plate; 40. Replacement hole; 41. Support beam; 42. Exposure hole. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0028] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to 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 of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0029] Please refer to Figures 1-5, the present utility model provides a technical solution: a high-speed stamping soft magnetic core forming die, which includes an upper die backing plate 1. An upper die 12 is arranged on the upper die backing plate 1. A punch 121 is fixedly installed on the bottom surface of the upper die 12. A lower die backing plate 2 is arranged below the upper die backing plate 1. A lower die 21 is arranged on the lower die backing plate 2. A die cavity 22 is fixedly installed on the lower die 21. Rectangular grooves 3 are arranged in both the upper die backing plate 1 and the lower die backing plate 2. Rectangular annular grooves 30 are arranged on the groove walls of the rectangular grooves 3. Through holes 301 are arranged on the groove walls at the four corner parts of the rectangular annular grooves 30. Threaded cylinder barrels 31 are inserted and fitted in the through holes 301. A fixed disk 32 is fixedly installed at the end of the threaded cylinder barrel 31. The fixed disk 32 is fixedly installed on the corresponding upper die backing plate 1 and lower die backing plate 2 through a plurality of fastening screws, which is convenient for replacing the threaded cylinder barrel 31;

[0030] Specifically, the upper die 12 and the lower die 21 are located in the corresponding rectangular annular grooves 30 and are fixedly connected to the threaded cylinder barrels 31; the upper die 12 and the lower die 21 are threadedly connected to the threaded cylinder barrels 31, which is convenient for installing, disassembling and replacing the upper die 12 and the lower die 21, and is convenient for use.

[0031] In this embodiment, the size of the threaded cylinder barrel 31 is adapted to the size of the through hole 301 for stable insertion operation of the threaded cylinder barrel 31; the size of the punch 121 is adapted to the size of the die cavity 22, and the size of the upper die backing plate 1 and the lower die backing plate 2 is adapted to the size of the rectangular annular groove 30 for normal assembly operation of the upper die backing plate 1 and the lower die backing plate 2.

[0032] Specifically, an upper die fixing plate 10 is fixedly installed on the upper surface of the upper die backing plate 1. The upper die fixing plate 10 is fixedly installed on an external transmission device to realize the operation of driving the upper die backing plate 1 to move downward by using an external air cylinder, so as to realize high-speed stamping operation.

[0033] Furthermore, guide holes 11 are arranged at the four corner parts of the upper die backing plate 1. A plurality of guide posts 23 arranged in a matrix are fixedly installed on the upper surface of the upper die 12. The guide posts 23 are located in the guide holes 11 and are inserted and fitted with the guide holes 11. The upper die backing plate 1 is slidably connected to the guide posts 23, which has the effect of guiding the movement of the upper die backing plate 1.

[0034] In addition, a bottom support plate 4 is arranged at the bottom of the lower die backing plate 2. A plurality of support beams 41 arranged linearly and at equal intervals are fixedly installed at the bottom of the bottom support plate 4 to realize stable support operation by using the support beams 41.

[0035] It should be noted that a plurality of replacement holes 40 arranged in a matrix are provided on the bottom support plate 4. The replacement holes 40 are located directly below the fixed plate 32, and exposure holes 42 are provided between two adjacent support beams 41. The exposure holes 42 are located below the replacement holes 40, facilitating the installation and disassembly operations of the fixed plate 32 at the positions of the replacement holes 40 and the exposure holes 42.

[0036] When the high-speed stamping soft magnetic core forming die of the present utility model is in use, the fixed plate 32 is fixedly installed on the corresponding upper die backing plate 1 and lower die backing plate 2, ensuring that the threaded cylinder 31 is inserted into the through hole 301. Then, the upper die 12 and the lower die 21 are placed in the rectangular ring groove 30, and the upper die 12 and the lower die 21 are fixedly installed on the threaded cylinder 31 using fastening screws to complete the fixed installation operation. During subsequent disassembly, the fastening screws on the upper die 12 and the lower die 21 are unscrewed, and then the replacement operation of the upper die 12 and the lower die 21 is carried out.

[0037] The above shows and describes the basic principles, main features and advantages of the present utility model. Those skilled in the art of this industry should understand that the present utility model is not limited by the above embodiments. The above embodiments and the descriptions in the specification are only preferred examples of the present utility model and are not used to limit the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents.

Claims

1. High-speed stamping soft magnetic core forming die, including an upper die backing plate (1), characterized in that: An upper die backing plate (1) is provided with an upper die (12). A punch (121) is fixedly installed on the bottom surface of the upper die (12). A lower die backing plate (2) is arranged below the upper die backing plate (1). A lower die (21) is provided on the lower die backing plate (2). A die cavity (22) is fixedly installed on the lower die (21). Rectangular grooves (3) are arranged in both the upper die backing plate (1) and the lower die backing plate (2). Rectangular annular grooves (30) are arranged on the groove walls of the rectangular grooves (3). Through holes (301) are arranged on the groove walls at the four corner parts of the rectangular annular groove (30). Threaded cylinders (31) are inserted and fitted in the through holes (301). A fixed plate (32) is fixedly installed at the end of the threaded cylinder (31). The fixed plate (32) is fixedly installed on the corresponding upper die backing plate (1) and lower die backing plate (2). The upper die (12) and the lower die (21) are located in the corresponding rectangular annular grooves (30) and are fixedly connected to the threaded cylinders (31).

2. The high-speed stamping soft magnetic core forming die according to claim 1, wherein: The size of the punch (121) is adapted to the size of the die cavity (22). The sizes of the upper die backing plate (1) and the lower die backing plate (2) are adapted to the size of the rectangular annular groove (30).

3. The high-speed stamping soft magnetic core forming die according to claim 1, characterized in that: The upper die (12) and the lower die (21) are threadedly connected to the threaded cylinders (31). The size of the threaded cylinder (31) is adapted to the size of the through hole (301).

4. The high-speed stamping soft magnetic core forming die according to claim 1, wherein: An upper die fixing plate (10) is fixedly installed on the upper surface of the upper die backing plate (1). The upper die fixing plate (10) is fixedly installed on an external driving device.

5. The high-speed stamping soft magnetic core forming die according to claim 1, characterized in that: Guide holes (11) are arranged at the four corner parts of the upper die backing plate (1). A plurality of guide posts (23) arranged in a matrix are fixedly installed on the upper surface of the upper die (12). The guide posts (23) are located in the guide holes (11) and are inserted and fitted with the guide holes (11). The upper die backing plate (1) is slidably connected to the guide posts (23).

6. The high-speed stamping soft magnetic core forming die according to claim 1, wherein: A bottom support plate (4) is arranged at the bottom of the lower die backing plate (2). A plurality of support beams (41) arranged linearly and at equal intervals are fixedly installed at the bottom of the bottom support plate (4).

7. The high-speed stamping soft magnetic core forming die according to claim 6, characterized in that: A plurality of replacement holes (40) arranged in a matrix are provided on the bottom support plate (4). The replacement holes (40) are located directly below the fixed plates (32).

8. The high-speed stamping soft magnetic core forming die according to claim 7, characterized in that: Exposure holes (42) are arranged between two adjacent support beams (41). The exposure holes (42) are located below the replacement holes (40).

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