A magnetic core stamping device

Abstract

This utility model relates to the technical field of magnetic core processing, and in particular to a magnetic core stamping device. The device performs stamping operations on magnetic powder, separating the stamping area from the loading / unloading area. A leveling device levels the surface of the magnetic powder in the mold, resulting in a uniform density distribution of the stamped magnetic core. A loading device completes the loading of the magnetic powder, improving the practicality of the device. The device includes a stamping device, a leveling device, and a loading device, with the leveling device mounted on the stamping device and the loading device mounted on the stamping device.

Description

Technical Field

[0001] This utility model relates to the technical field of magnetic core processing, and in particular to a magnetic core stamping device. Background Technology

[0002] A magnetic core stamping device is a piece of equipment specifically designed for magnetic core stamping. It combines mechanical, electromagnetic and other technologies to achieve efficient and precise stamping of magnetic core materials. Currently, the magnetic core processing and production process usually involves greening, sintering, grinding and air gap processing. When greening, magnetic powder needs to be added to the mold of the magnetic core forming press.

[0003] The existing Chinese utility model patent with application number CN201820559111.X relates to a feeding device for a magnetic core stamping machine, including a hopper, a feeding pipe, a feeding box, a pressure plate, a pressure rod, a pull rod, a guide rod, and a transmission shaft, etc. It can use a cam mechanism to drive the feeding box to reciprocate and translate to achieve feeding. It has a compact structure, reliable movement, and no displacement error.

[0004] However, in actual use, the above-mentioned device is difficult to keep the surface of the powder in the mold flat, which can easily lead to uneven density distribution of the overall structure of the magnetic core during the stamping process. Utility Model Content

[0005] To solve the above-mentioned technical problems, this utility model provides a magnetic core stamping device that performs stamping operations on magnetic powder using a stamping device, separates the stamping operation area from the loading and unloading area, uses a leveling device to level the upper surface of the magnetic powder in the mold, thereby making the density distribution of the stamped magnetic core uniform, and uses a loading device to complete the loading operation of the magnetic powder, thus improving the practicality of the device.

[0006] This utility model discloses a magnetic core stamping device, comprising a stamping device, a leveling device, and a feeding device. The leveling device and the feeding device are mounted on the stamping device. The stamping device performs stamping operations on magnetic powder and separates the stamping operation area from the feeding area. The leveling device levels the upper surface of the magnetic powder in the mold, thereby making the density distribution of the stamped magnetic core uniform. The feeding device completes the feeding operation of the magnetic powder, improving the practicality of the device.

[0007] Preferably, the stamping device includes a frame, a hydraulic cylinder, an upper stamping die, a lower stamping die, a transverse slide, a geared motor, and a lead screw. The hydraulic cylinder is installed on the left side of the upper end face of the frame. The moving end of the hydraulic cylinder extends through the upper end face of the frame and into the frame to connect with the upper stamping die. The transverse slide is located on the upper end face of the lower part of the frame. A groove is provided on the upper part of the transverse slide. The lower stamping die is located in the groove of the transverse slide. A set of lead screws is horizontally installed at the bottom of the groove of the transverse slide. The lead screws are connected to the bottom of the lower stamping die by a nut. A geared motor is installed on the right end face of the transverse slide. The output end of the geared motor is connected to the lead screw. The geared motor is turned on to transmit power to the lead screw, which rotates the lead screw. The rotating lead screw, in conjunction with the nut at the bottom of the lower stamping die, moves the lower stamping die left and right in the transverse seat. During the stamping operation, it moves to the left side of the transverse seat. Then, the hydraulic cylinder is controlled to extend, causing the lower end face of the upper stamping die to press against the lower stamping die. The lower stamping die then stamps the magnetic powder in the lower stamping die. After the stamping is completed, the lower stamping die is controlled to move to the right side of the transverse seat to remove the magnetic core and refill it with magnetic powder. This separates the processing area from the loading and unloading area, reducing mutual interference and improving the practicality of the device.

[0008] Preferably, it also includes transverse guide rails, with a set of transverse guide rails respectively provided at the front and rear of the lower end face of the transverse base; the lower end face of the lower stamping die is connected to the two sets of transverse guide rails respectively, and the transverse movement of the lower stamping die is limited by the two sets of transverse guide rails, reducing the vibration amplitude of the lower stamping die itself during the transverse movement. At the same time, the two sets of transverse guide rails provide auxiliary support for the lower stamping die, preventing the lower stamping die from tilting under force during the stamping process, thus improving the practicality of the device.

[0009] Preferably, the leveling device includes a gantry, a scraper, and a wear-resistant strip. The gantry is installed in the middle of the upper end face of the transverse seat. A strip-shaped hole is provided on the upper end face of the gantry. The scraper is inserted into the strip-shaped hole of the gantry, and the lower end face of the scraper is located on the lower side of the gantry. A wear-resistant strip is provided on the lower end face of the scraper. Multiple sets of fastening bolts are installed on the side of the gantry. The height of the scraper in the gantry is adjusted according to the size of different lower stamping dies, and the position of the scraper is fixed by bolts. The wear-resistant strip scrapes away the magnetic powder overflowing from the upper end face of the lower stamping die, thereby making the overall density distribution of the stamped magnetic core uniform and improving the practicality of the device.

[0010] Preferably, the feeding device includes a hopper and a discharge hopper. The discharge hopper is installed on the right side of the top surface of the frame. The output end of the discharge hopper is located in the middle of the rotating shaft. A vibration motor is installed on the lower end surface of the discharge hopper. Magnetic powder is added to the discharge hopper, so that the magnetic powder falls from the output end of the discharge hopper into the lower stamping die. The stamping device drives the lower stamping die to move slowly laterally, so that the magnetic powder can fill the interior of the lower stamping die. At the same time, the vibration motor is turned on to drive the discharge hopper to vibrate, so that the magnetic powder in the discharge hopper falls evenly, improving the practicality of the device.

[0011] Preferably, it also includes discharge holes, a rotating shaft, a sleeve, and a discharge chute. Multiple sets of discharge holes are provided on the lower end face of the transverse shift seat. Wear-resistant strips 75 are provided on the lower part of the front end face of the transverse shift seat. A sleeve is provided on the lower part of the front end face of the frame. The rotating shaft passes through the sleeve and is connected to the sleeve. A discharge chute is provided on the bottom end face of the frame. The magnetic powder that falls into the rotating shaft can fall out naturally through the multiple sets of discharge holes on the lower end face of the rotating shaft and be discharged from the equipment through the discharge chute. The transverse shift seat can be rotated by the cooperation of the rotating shaft and the sleeve, which makes it easy for the operator to clean the lower part of the transverse shift seat and improves the practicality of the device.

[0012] Compared with the prior art, the beneficial effects of this utility model are as follows: the magnetic powder is stamped by the stamping device, and the stamping operation area is separated from the loading and unloading area. The upper surface of the magnetic powder in the mold is scraped by the leveling device, so that the density distribution of the stamped magnetic core is uniform. The loading device completes the loading operation of the magnetic powder, which improves the practicality of the device. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the isometric structure of this utility model; Figure 2 This is a cross-sectional structural diagram of the present invention; Figure 3 This is an isometric structural diagram of the frame of this utility model; Figure 4 This is an isometric structural diagram of the transverse shift seat and the feeding device of this utility model; Figure 5 This is a partially enlarged structural schematic diagram of the present invention; The following are labels in the attached diagram: 1. Frame; 2. Hydraulic cylinder; 3. Upper stamping die; 4. Lower stamping die; 5. Horizontal sliding seat; 6. Gear motor; 7. Lead screw; 8. Horizontal guide rail; 9. Gantry; 10. Scraper; 11. Wear-resistant strip; 12. Feed hopper; 13. Vibration motor; 14. Discharge hole; 15. Rotary shaft; 16. Sleeve; 17. Discharge chute. Detailed Implementation

[0014] To facilitate understanding of this utility model, a more complete description will be given below with reference to the accompanying drawings. This utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to make the disclosure of this utility model more thorough and complete. Example

[0015] Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5As shown, the leveling device is installed on the stamping device, and the feeding device is installed on the stamping device; First, the geared motor 6 is turned on to transmit power to the lead screw 7, which rotates the lead screw 7. The rotating lead screw 7, in conjunction with the nut at the bottom of the lower stamping die 4, drives the lower stamping die 4 to slowly move from the right side of the transverse seat 5 to the left side of the transverse seat 5. At the same time, magnetic powder is added to the feeding hopper 12, so that the magnetic powder falls from the output end of the feeding hopper 12 into the lower stamping die 4. Then, the hydraulic cylinder 2 is controlled to extend so that the lower end face of the upper stamping die 3 presses against the lower stamping die 4. The lower stamping die 4 works with the magnetic powder in the lower stamping die 4 to perform stamping processing. After the stamping processing is completed, the lower stamping die 4 is controlled to move to the right side of the transverse seat 5 to remove the magnetic core and add magnetic powder again. The stamping device includes a frame 1, a hydraulic cylinder 2, an upper stamping die 3, a lower stamping die 4, a transverse slide seat 5, a geared motor 6, and a lead screw 7. The hydraulic cylinder 2 is installed on the left side of the upper end face of the frame 1. The moving end of the hydraulic cylinder 2 extends through the upper end face of the frame 1 and into the frame 1 to connect with the upper stamping die 3. The transverse slide seat 5 is located on the upper end face of the lower part of the frame 1. A groove is provided on the upper part of the transverse slide seat 5. The lower stamping die 4 is located in the groove of the transverse slide seat 5. A set of lead screws 7 is horizontally installed at the bottom of the groove of the transverse slide seat 5. The lead screws 7 are connected to the bottom of the lower stamping die 4 by a nut. The geared motor 6 is installed on the right end face of the transverse slide seat 5. The output end of the geared motor 6 is connected to the lead screw 7. It also includes a transverse guide rail 8, and a set of transverse guide rails 8 are respectively provided at the front and back of the lower end of the transverse base 5; The leveling device includes a gantry 9, a scraper 10, and a wear-resistant strip 11. The gantry 9 is installed in the middle of the upper end face of the transverse shift seat 5. A strip-shaped hole is provided on the upper end face of the gantry 9. The scraper 10 is inserted into the strip-shaped hole of the gantry 9 and the lower end face of the scraper 10 is located on the lower side of the gantry 9. A wear-resistant strip 11 is provided on the lower end face of the scraper 10. Multiple sets of fastening bolts are installed on the side of the gantry 9. The feeding device includes a feeding hopper 12 and a vibrating motor 13. The feeding hopper 12 is installed on the right side of the top surface of the frame 1. The output end of the feeding hopper 12 is located in the middle of the rotating shaft 15. The vibrating motor 13 is installed on the lower end surface of the feeding hopper 12. It also includes a discharge hole 14, a rotating shaft 15, a sleeve 16 and a discharge trough 17. Multiple sets of discharge holes 14 are provided on the lower end face of the transverse shift seat 5. Wear-resistant strips 1175 are provided on the lower part of the front end face of the transverse shift seat 5. A sleeve 16 is provided on the lower part of the front end face of the frame 1. The rotating shaft 15 passes through the sleeve 16 and is connected to the sleeve 16. A discharge trough 17 is provided on the inner bottom end face of the frame 1. The magnetic powder is stamped by a stamping device, and the stamping area is separated from the loading and unloading area. The surface of the magnetic powder in the mold is smoothed by a scraping device, so that the density distribution of the stamped magnetic core is uniform. The magnetic powder is loaded by a loading device, which improves the practicality of the device.

[0016] like Figures 1 to 5 As shown, this utility model discloses a magnetic core stamping device. During operation, the reduction motor 6 is first activated to transmit power to the lead screw 7, causing it to rotate. The rotating lead screw 7, in conjunction with the nut at the bottom of the lower stamping die 4, slowly moves the lower stamping die 4 from the right side of the transverse seat 5 to the left side. Simultaneously, magnetic powder is added to the feeding hopper 12, causing it to fall from the output end of the feeding hopper 12 into the lower stamping die 4. Then, the hydraulic cylinder 2 is extended, causing the lower end face of the upper stamping die 3 to press against the lower stamping die 4, cooperating with the lower stamping die 4 to stamp the magnetic powder in the lower stamping die 4. After the stamping process is completed, the lower stamping die 4 is moved to the right side of the transverse seat 5 to remove the magnetic core and refill it with magnetic powder.

[0017] The hydraulic cylinder 2, reduction motor 6, and vibration motor 13 of the magnetic core stamping device of this utility model are commercially available. Technical personnel in this industry only need to install and operate them according to the accompanying instruction manual, without requiring any creative work from those skilled in the art.

[0018] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. A magnetic core punching apparatus; characterized by, The device includes a stamping device, a leveling device, and a feeding device. The leveling device is installed on the stamping device, and the feeding device is installed on the stamping device. The stamping device includes a frame (1), a hydraulic cylinder (2), an upper stamping die (3), a lower stamping die (4), a transverse seat (5), a geared motor (6), and a lead screw (7). The hydraulic cylinder (2) is installed on the left side of the upper end face of the frame (1). The moving end of the hydraulic cylinder (2) extends through the upper end face of the frame (1) and into the frame (1) to connect with the upper stamping die (3). The transverse seat (5) is located on the upper end face of the lower part of the frame (1). A groove is provided on the upper part of the transverse seat (5). The lower stamping die (4) is located in the groove of the transverse seat (5). A set of lead screws (7) is horizontally installed at the bottom of the groove of the transverse seat (5). The lead screws (7) are connected to the bottom of the lower stamping die (4) through nuts. A geared motor (6) is installed on the right end face of the frame (1), and the output end of the geared motor (6) is connected to the lead screw (7). The scraping device includes a gantry (9), a scraper (10) and a wear-resistant strip (11). The gantry (9) is installed in the middle of the upper end face of the transverse seat (5). A strip hole is provided on the upper end face of the gantry (9). The scraper (10) is inserted into the strip hole of the gantry (9) and the lower end face of the scraper (10) is located on the lower side of the gantry (9). A wear-resistant strip (11) is provided on the lower end face of the scraper (10). Multiple sets of fastening bolts are installed on the side of the gantry (9). The feeding device includes a feeding hopper (12) and a vibrating motor (13). The feeding hopper (12) is installed on the right side of the top end face of the frame (1). The output end of the feeding hopper (12) is located in the middle of the rotating shaft (15). A vibrating motor (13) is installed on the lower end face of the feeding hopper (12).

2. A magnetic core punching apparatus as claimed in claim 1, characterized in that It also includes a transverse guide rail (8), and a set of transverse guide rails (8) are respectively provided at the front and back of the lower end of the transverse base (5).

3. A magnetic core punching apparatus as claimed in claim 2, characterized in that It also includes a discharge hole (14), a rotating shaft (15), a sleeve (16) and a discharge trough (17). Multiple sets of discharge holes (14) are provided on the lower end face of the transverse shift seat (5). Wear-resistant strips (11) 75 are provided on the lower part of the front end face of the transverse shift seat (5). A sleeve (16) is provided on the lower part of the front end face of the frame (1). The rotating shaft (15) passes through the sleeve (16) and is connected to the sleeve (16). A discharge trough (17) is provided on the inner bottom end face of the frame (1).

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