Magnetic core stamping die with dustproof function

Abstract

The utility model relates to the technical field of magnetic core stamping dies, in particular to a magnetic core stamping die with a dustproof function, which comprises a lower die and an upper die, a sealing cover is mounted outside the lower die, a sealing frame is slidably mounted inside the upper end of the sealing cover, and the upper die is mounted on the inner side of the sealing frame. A feeding hole and a discharging hole which are matched with each other are formed in two sides of the sealing cover corresponding to a plate on the lower die; an air outlet box is mounted on the lower side of a cover body, between the discharging hole and the feeding hole, of the sealing cover; gas in the sealing cover is exhausted to the outside through the feeding port and the discharging port all the time, and then dust in the sealing cover is gradually scattered out along with the gas along with continuous exhausting of the gas, so that the phenomenon that the dust interferes with welding or gluing processing of the magnetic chip is reduced, and through cooperation of the sealing frame and the electric valve, the magnetic chip is prevented from being damaged. And the consumption of clean gas can be reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of magnetic core stamping dies, in particular to a magnetic core stamping die with a dustproof function. Background Art

[0002] Ferrite core is a kind of high-frequency magnetic conductive material, which is widely used. In the production process of ferrite core, it is necessary to use stamping molds for manufacturing. Stamping molds are commonly used in the field of core processing.

[0003] When the magnetic core is stamped, the magnetic core pieces are usually stamped out first, and then they are riveted together during subsequent stamping, that is, several sheets eventually form a complete magnetic core. The common connection methods between the sheets are gluing or laser welding. In order to ensure the gluing or welding strength between the sheets, the sheets need to be kept as clean as possible. Therefore, a magnetic core stamping die with dustproof function is required. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a magnetic core stamping die with a dustproof function.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A magnetic core stamping die with a dustproof function comprises a lower die and an upper die, a sealing cover is installed on the outside of the lower die, a sealing frame is slidably installed inside the upper end of the sealing cover, the upper die is installed on the inner side of the sealing frame, and the plates on both sides of the sealing cover corresponding to the lower die are provided with matching feed ports and discharge ports, an air outlet box is installed on the lower side of the cover body of the sealing cover between the discharge port and the feed port, one end of the air outlet box located outside the sealing cover is connected to an external clean air source through a connecting pipe, an electric valve is installed on the pipe body of the connecting pipe, a linkage frame is installed on one end of the upper surface of the upper die corresponding to the discharge port, the other end of the linkage frame is located outside the discharge port and is provided with an active cutter, and a matching passive cutter is provided on the outer side of the sealing cover corresponding to the active cutter.

[0007] Preferably, a mounting plate is connected to the lower surface of the lower mold, a feed opening is provided in the middle of the lower surface of the mounting plate, and a plurality of support columns are provided at the proximal end of the lower surface of the mounting plate.

[0008] Preferably, the lower ends of the support columns are commonly connected to a bottom plate, and the upper surface of the bottom plate is provided with a finished product collection frame and a waste frame corresponding to the feed opening and the passive cutter, respectively.

[0009] Preferably, the lower end of the passive cutter is mounted on the upper surface of the mounting plate, and the upper surface of the passive cutter is flush with the lower surface of the workpiece.

[0010] Preferably, a guide frame is installed at the end of the mounting plate corresponding to the passive cutter, and a downwardly inclined guide plate is provided in the middle of the guide frame.

[0011] Preferably, the cover body of the sealing cover is a transparent cover body, and the inner wall of the sealing cover is a smooth surface.

[0012] Preferably, a mounting frame is installed above the feed port and the discharge port of the sealing cover, the lower end of the mounting frame is two columns and a compression spring is sleeved on the upper part of the columns, a pressure plate is slidably inserted at the lower end of the column, and a pressure wheel is installed at the lower end of the pressure plate.

[0013] The utility model provides a magnetic core stamping die with dustproof function, which has the beneficial effects of:

[0014] 1: In the utility model, when the upper mold moves downward, the air inside the sealing cover is pushed by the upper mold and the sealing frame moving downward and moved out from the feed port and the discharge port. When the upper mold moves upward, the electric valve opens and the clean air source outside is input into the sealing cover. At this time, the air injected into the connecting pipe not only restores the negative pressure inside the sealing cover generated by the upward movement of the upper mold to normal air pressure, but also is then discharged outward from the discharge port and the feed port; thereby, the inside of the sealing cover can always discharge gas to the outside through the feed port and the discharge port, and then as the gas is continuously discharged, the dust inside the sealing cover is gradually dispersed with the gas, thereby reducing the phenomenon that the dust interferes with the welding or gluing processing of the magnetic chip, and the consumption of clean gas can be reduced by the cooperation of the sealing frame and the electric valve; and when the upper mold moves downward, the active cutter can be driven to move synchronously through the linkage frame, that is, the stamped plate is cut by the active cutter and the passive cutter, so as to facilitate the subsequent collection of the plate.

[0015] 2: The setting of the mounting plate and the support column in the utility model makes it easy to raise the mold, so that the processed magnetic core can fall into the finished product collection frame for storage. A downward inclined guide plate is provided in the middle of the guide frame. The setting of the guide frame makes it easy for the cut waste to fall accurately into the waste frame, and the setting of the guide plate improves the smoothness of the waste entering the waste frame. Since the cover body of the sealing cover is a transparent cover body, that is, during the stamping process of the magnetic core, the personnel can still see the actual stamping situation conveniently and accurately, so as to make timely adjustments when the stamping process is wrong; the setting of the pressure wheel makes it easy to clamp and limit the workpiece, that is, to ensure the stability of the workpiece during processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a front view schematic diagram of a magnetic core stamping die with dustproof function proposed by the utility model;

[0017] Figure 2 This is a schematic diagram of a waste material discharge end of a magnetic core stamping die with dust-proof function proposed by the utility model;

[0018] Figure 3 This is a schematic structural diagram of a magnetic core stamping die with dust-proof function proposed by the utility model;

[0019] Figure 4 This is a schematic diagram of a sealing cover of a magnetic core stamping die with dust-proof function proposed by the utility model;

[0020] Figure 5 A schematic diagram of a compression spring and pressure of a magnetic core stamping die with dustproof function proposed by the utility model;

[0021] Figure 6 This is a schematic diagram of the coordination of an electric valve and a connecting pipe of a magnetic core stamping die with dustproof function proposed by the utility model.

[0022] In the figure: 1. lower die; 2. upper die; 3. sealing cover; 4. sealing frame; 5. electric valve; 6. connecting pipe; 7. linkage frame; 8. active cutter; 9. passive cutter; 10. mounting plate; 11. supporting column; 12. bottom plate; 13. finished product collection frame; 14. waste frame; 15. guide frame; 16. mounting frame; 17. compression spring; 18. pressure plate; 19. pressure wheel. DETAILED DESCRIPTION

[0023] 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.

[0024] Example 1

[0025] Reference Figure 1-6 A magnetic core stamping die with dustproof function, comprising a lower die 1 and an upper die 2, both of which are dies used for stamping magnetic cores in the prior art, and the lower die 1 is fixedly installed, while the upper die 2 is connected to an external stamping device, which is located above the workpiece to be processed, a sealing cover 3 is installed outside the lower die 1, a sealing frame 4 is slidably installed inside the upper end of the sealing cover 3, the upper die 2 is installed inside the sealing frame 4, and the two sides of the sealing cover 3 are provided with matching feed ports and discharge ports corresponding to the plates on the lower die 1, and the sealing cover 3 An air outlet box is installed on the lower side of the cover body between the discharge port and the feed port. The end of the air outlet box located outside the sealing cover 3 is connected to the external clean air source through a connecting pipe 6. The clean air source can be an air compressor, a vacuum system in an external factory or filtered air, etc. An electric valve 5 is installed on the tube body of the connecting pipe 6. A linkage frame 7 is installed on the end of the upper surface of the upper mold 2 corresponding to the discharge port. The other end of the linkage frame 7 is located outside the discharge port and is installed with an active cutter 8. A matching passive cutter 9 is provided on the outside of the sealing cover 3 corresponding to the active cutter 8.

[0026] Example 2

[0027] Reference Figure 1-6 , when other parts are the same as those in Example 1, the difference between this embodiment and Example 1 is that:

[0028] A mounting plate 10 is connected to the lower surface of the lower die 1, a material discharge port is provided in the middle of the lower surface of the mounting plate 10, and a plurality of support columns 11 are provided near the lower surface of the mounting plate 10. The arrangement of the mounting plate 10 and the support columns 11 facilitates the raising of the die, so that the processed magnetic core can be dropped into the finished product collection frame 13 for storage. The lower ends of the support columns 11 are commonly connected to a bottom plate 12, and a finished product collection frame 13 and a waste frame 14 are provided on the upper surface of the bottom plate 12 corresponding to the material discharge port and the passive cutter 9, respectively. The arrangement of the bottom plate 12 facilitates the installation and fixation of the lower die 1, and the arrangement of the finished product collection frame 13 and the waste frame 14 facilitates the corresponding placement of the finished products and the waste in a classified manner; and the lower end of the passive cutter 9 is arranged on the upper surface of the mounting plate 10, and the upper surface of the passive cutter 9 is flush with the lower surface of the workpiece. Since the upper surface of the passive cutter 9 is flush with the lower surface of the workpiece, the workpiece after stamping will not be deformed due to the force on the end.

[0029] A guide frame 15 is installed at the end of the mounting plate 10 corresponding to the passive cutter 9, and a downwardly inclined guide plate is provided in the middle of the guide frame 15. The setting of the guide frame 15 facilitates the accurate falling of the cut waste into the waste frame 14, and the setting of the guide plate improves the smoothness of the waste entering the waste frame 14; the cover body of the sealing cover 3 is a transparent cover body, and the inner wall of the sealing cover 3 is a smooth surface. Since the cover body of the sealing cover 3 is a transparent cover body, that is, during the magnetic core stamping process, personnel can still conveniently and accurately see the actual stamping situation, so as to make timely adjustments when the stamping is incorrect; a mounting frame 16 is installed above the feed port and the discharge port of the sealing cover 3, and the lower end of the frame of the mounting frame 16 is two columns and a compression spring 17 is sleeved on the upper part of the column, and a pressure plate 18 is slidably inserted at the lower end of the column, and a pressure wheel 19 is installed at the lower end of the pressure plate 18. The setting of the pressure wheel 19 is convenient for clamping and limiting the workpiece.

[0030] Principle and advantages of use: During the use of the utility model, when it is necessary to perform magnetic core stamping production, the upper mold 2 is first driven upward by external stamping equipment to separate the upper mold 2 from the lower mold 1, and then the personnel insert the unprocessed plate from the feed port and insert it out from the discharge port. At this time, the external stamping equipment drives the upper mold 2 to move back and forth quickly up and down, and in this process, when the upper mold 2 moves downward, the stamping part on the lower surface stamps the plate below, and the stamped magnetic core pieces are subsequently laser welded or glued in the lower mold 1.

[0031] At the same time, in the above process, since a sealing frame 4 is provided between the upper mold 2 and the sealing cover 3, that is, when the upper mold 2 moves, the sealing frame 4 is driven to move synchronously, that is, when the upper mold 2 moves downward, the air inside the sealing cover 3 is pushed by the upper mold 2 and the sealing frame 4 moving downward and is moved out from the feed port and the discharge port. When the upper mold 2 moves upward, the outside air is sucked in by the negative pressure suction inside the sealing cover 3, but since the rear side of the sealing cover 3 is connected to the external clean air source through the connecting pipe 6, that is, with the cooperation of the electric valve 5, when the upper mold 2 moves downward, the electric valve 5 is closed, and the air inside the sealing cover 3 is discharged to the outside through the movement of the upper mold 2, and when the upper mold 2 moves upward, the electric valve 5 is opened, and the clean air source from the outside is input into the sealing cover 3. At this time, the air injected into the connecting pipe 6 not only restores the negative pressure inside the sealing cover 3 caused by the upward movement of the upper mold 2 to normal air pressure, but also quickly rises to positive pressure, that is, the clean gas injected into the connecting pipe 6 is discharged from the discharge port and the feed port.

[0032] Therefore, when this solution is used, clean gas is injected into the sealing cover 3 through an external clean air source, so that the sealing cover 3 can always discharge gas to the outside through the feed port and the discharge port, and then as the gas is continuously discharged, the dust inside the sealing cover 3 is gradually dispersed with the gas, thereby reducing the interference of dust on the welding or gluing processing of the magnetic chip, and through the cooperation of the sealing frame 4 and the electric valve 5, when the upper mold 2 moves downward, the connecting pipe 6 can stop injecting gas into the sealing cover 3, that is, the consumption of clean gas can be reduced when this solution is used; further in this solution, when the upper mold 2 moves downward, the active cutter 8 can be driven to move synchronously through the linkage frame 7, that is, the stamped plate is cut by the active cutter 8 and the passive cutter 9, so that it is convenient for the subsequent collection of the plate.

[0033] It should be further explained that the setting of the mounting plate 10 and the support column 11 facilitates the raising of the mold, so that the processed magnetic core can fall into the finished product collection frame 13 for storage. A downward inclined guide plate is provided in the middle of the guide frame 15. The setting of the guide frame 15 facilitates the accurate falling of the cut waste into the waste frame 14, and the setting of the guide plate improves the smoothness of the waste entering the waste frame 14. Since the cover body of the sealing cover 3 is a transparent cover body, that is, during the stamping process of the magnetic core, the personnel can still conveniently and accurately see the actual stamping situation, so as to make timely adjustments when the stamping process is wrong; the setting of the pressure wheel 19 facilitates the clamping and limiting of the workpiece, that is, the stability of the substitute workpiece during processing.

[0034] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A magnetic core stamping die with dustproof function, comprising a lower die (1) and an upper die (2), characterized in that: The lower mold (1) is provided with a sealing cover (3) on the outside, a sealing frame (4) is slidably installed on the upper end of the sealing cover (3), the upper mold (2) is installed on the inner side of the sealing frame (4), and the plates on both sides of the sealing cover (3) corresponding to the lower mold (1) are provided with matching feed ports and discharge ports, and the lower side of the cover body of the sealing cover (3) between the discharge port and the feed port is provided with an air outlet box, and one end of the air outlet box located outside the sealing cover (3) is connected to an external clean air source through a connecting pipe (6), and an electric valve (5) is installed on the pipe body of the connecting pipe (6), and a linkage frame (7) is installed on one end of the upper surface of the upper mold (2) corresponding to the discharge port, and the other end of the linkage frame (7) is located outside the discharge port and is provided with an active cutter (8), and a matching passive cutter (9) is provided on the outer side of the sealing cover (3) corresponding to the active cutter (8).

2. The magnetic core stamping die with dustproof function according to claim 1, characterized in that: The lower surface of the lower mold (1) is connected to a mounting plate (10), a material discharge port is provided in the middle of the lower surface of the mounting plate (10), and a plurality of support columns (11) are provided near the lower surface of the mounting plate (10).

3. The magnetic core stamping die with dustproof function according to claim 2, characterized in that: The lower ends of the support columns (11) are commonly connected to a bottom plate (12), and the upper surface of the bottom plate (12) is provided with a finished product collection frame (13) and a waste frame (14) corresponding to the feed opening and the passive cutter (9).

4. The magnetic core stamping die with dustproof function according to claim 3, characterized in that: The lower end of the passive cutter (9) is mounted on the upper surface of the mounting plate (10), and the upper surface of the passive cutter (9) is flush with the lower surface of the workpiece.

5. The magnetic core stamping die with dustproof function according to claim 2, characterized in that: A flow guide frame (15) is installed at the end of the mounting plate (10) corresponding to the passive cutter (9), and a downwardly inclined flow guide plate is provided in the middle of the flow guide frame (15).

6. The magnetic core stamping die with dustproof function according to claim 1, characterized in that: The cover body of the sealing cover (3) is a transparent cover body, and the inner wall of the sealing cover (3) is a smooth surface.

7. The magnetic core stamping die with dustproof function according to claim 1, characterized in that: A mounting frame (16) is installed above the feed inlet and the discharge outlet of the sealing cover (3), the lower end of the mounting frame (16) is composed of two columns and a compression spring (17) is sleeved on the upper part of the columns, a pressure plate (18) is slidably inserted at the lower end of the column, and a pressure wheel (19) is installed at the lower end of the pressure plate (18).

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