A magnetic core forming device

By designing a magnetic core forming device including a conveying component, an auxiliary component and a homogenization component, the problems of agglomeration and inhomogeneity during raw material transmission and filling are solved, and the quality and stability of magnetic core forming are achieved.

CN118039339BActive Publication Date: 2025-02-07DONGGUAN LIHENG SURFACE TREATMENT CO LTD
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Patent Information

Application Number
CN202410386318.1
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-04-01
Publication Date
2025-02-07
Estimated Expiration
2044-04-01

AI Technical Summary

Technical Problem

Existing magnetic core forming devices are prone to agglomeration and uneven filling during the raw material transmission and filling process, resulting in the shape, size and performance of the final product that cannot meet the design requirements and affect product quality and stability.

Method used

A magnetic core forming device including a barrel, a conveying assembly, an auxiliary assembly and a homogenizing assembly is designed. The conveying component realizes uniform material collection and transmission through electric slide rods; the auxiliary flat component realizes uniform material laying in the cavity through electric slide rods and springs; the material uniform component is driven by the blasting blades and conveying blades driven by the motor to prevent raw materials from being tied up. Blocks and uneven filling.

Benefits of technology

Through uniform material extraction, laying and blasting, the uniformity and flowability of the raw materials are improved, the forming quality and stability of the magnetic core are ensured, and the unqualified product shape, size and performance are avoided.

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Abstract

The present invention relates to the technical field of magnetic core forming devices, and proposes a magnetic core forming device, including a bottom plate, a bracket fixed on the top of the bottom plate, the inner cavity of the bracket is fixedly connected to a barrel, and a cavity is provided at the bottom of the barrel. The arrangement of the material leveling component of the present invention enables a plurality of blasting leaves to make circular motions and rotate in the barrel to continuously mix and turn the raw material powder, so that the raw material powder is more evenly affected by the shock wave, and the quality and fluidity of the raw material powder can be guaranteed; the present invention designs an auxiliary leveling component, and the arrangement of the auxiliary leveling component can make the raw material powder evenly distributed in the cavity, prevent the occurrence of uneven raw material filling caused by the existence of raw material powder gaps in the cavity, and ensure the molding quality and stability of the product; the present invention can continuously roll up the raw material at the bottom of the barrel for repeated blasting when the conveying leaf rotates forward, thereby enhancing the blasting effect, and a certain vibration will be generated when the conveying leaf is reversed, which is conducive to the smooth outflow of the raw material.
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Description

Technical Field

[0001] The invention relates to the technical field of magnetic core forming devices, and in particular to a magnetic core forming device. Background Art

[0002] The magnetic core is a sintered magnetic metal oxide composed of a mixture of various iron oxides. Its main function is to set a magnetic conductive material in the magnetic circuit of the inductor coil to enhance and concentrate the magnetic field. Magnetic cores are usually used in the magnetic circuit of high-frequency electronic transformers as one of the most critical components. There are many kinds of materials for magnetic cores, including but not limited to ferrite, Teflon and iron oxide. Different types of magnetic cores are suitable for different application scenarios. For example, ferrite cores are often used in transformers and inductors due to their low loss and high magnetic permeability; Teflon cores are often used in aerospace and military fields because they can maintain stable performance at high temperatures. Magnetic cores are also widely used in a variety of electronic devices such as transformers, inductors, filters, tuners and disk drives;

[0003] The forming device of the magnetic core can be a mold, a press, an injection molding machine, a laser welding device, etc. Among them, the mold is one of the most common forming devices. It can be made into a corresponding mold according to the shape and size of the magnetic core, and pressure is applied in the mold to deform the magnetic material into a magnetic core shape that meets the requirements. However, the current magnetic core forming device does have some technical problems in practical applications. First, the raw materials are easy to agglomerate when stored in the barrel, which will affect the transmission of the raw materials and also cause the uniformity of the various components of the raw materials to decrease, which may have a negative impact on the performance and quality of the final product. Secondly, using the self-weight filling method to fill the raw material powder into the mold cavity may cause gaps in the cavity, resulting in uneven or even insufficient filling of the raw materials. These two situations may cause the shape, size and performance of the final product to fail to meet the design requirements, thereby affecting the quality and stability of the product.

[0004] Therefore, a magnetic core forming device is needed. Summary of the invention

[0005] The purpose of the present invention is to solve the shortcomings of the prior art and to propose a magnetic core forming device.

[0006] The technical solution of the present invention is as follows: a magnetic core forming device, comprising a base plate and a bracket fixed on the top of the base plate, the inner cavity of the bracket is fixedly connected to a barrel, a cavity is provided at the bottom of the barrel, a conveying component for pushing the cavity to the bottom of the barrel for material removal is provided at the top of the base plate, an auxiliary leveling component for evenly laying the raw material in the cavity is provided at the top of the base plate, and a material leveling component for blasting the agglomerated raw materials in the barrel is provided at the top of the barrel.

[0007] Preferably, the conveying assembly includes an electric slide rod, a mounting groove is provided on the top of the base plate, the electric slide rod is fixedly installed on the inner wall of the mounting groove by bolts, the outer wall of the electric slide rod is slidably connected with a push block, the top of the push block is fixedly connected with a mounting plate, a rectangular groove is provided on the top of the mounting plate, a placement block is provided in the inner cavity of the rectangular groove, and a mold placement groove for placing the mold cavity is provided on the top of the placement block.

[0008] Preferably, the auxiliary leveling component includes an electric slide bar 2, a mounting groove 2 is opened on the top of the base plate, the electric slide bar 2 is fixedly installed on the inner wall of the mounting groove 2 by bolts, the outer wall of the electric slide bar 2 is slidably connected with an auxiliary leveling block, the top of the auxiliary leveling block is fixedly connected with an adapter block, and an adapter groove for clamping the adapter block is opened on the side of the storage block close to the adapter block.

[0009] Preferably, two springs are symmetrically and fixedly connected to the circumference of the storage block, and opposite ends of the two springs are fixedly connected to the inner wall of the rectangular groove.

[0010] Preferably, a power button is fixedly connected to one side of the storage block close to the adapter block, and the power button is electrically connected to the electric slide bar.

[0011] Preferably, the material equalizing assembly includes a motor, which is fixed on the top of the barrel, and the output end of the motor is fixedly connected to a rotating rod, the outer wall of the rotating rod is fixedly connected to a rotating plate, the inner wall of the barrel is fixedly connected to a protective cover, the inner wall of the protective cover is rotatably connected to a rotating ring fixed to the rotating plate, and the inner wall of the bottom of the protective cover is rotatably connected to an auxiliary rotating ring plate.

[0012] Preferably, the circumferential surface of the rotating ring is fixedly connected to a fixed plate, the bottom of the fixed plate is rotatably connected to a rotating shaft, the outer wall of the rotating shaft is fixedly connected to a gear, the inner wall of the barrel is fixedly connected to an annular rack, the gear is meshed with the annular rack, the auxiliary rotating ring plate is rotatably connected to the rotating shaft, and the outer wall of the rotating shaft is fixedly connected to a plurality of blasting leaves.

[0013] Preferably, the outer wall of the rotating rod is fixedly connected with a conveying blade for rolling up the raw materials at the bottom of the barrel for agglomeration and blasting.

[0014] Preferably, a single frame is fixedly connected to the top of the base plate, a cylinder is fixedly connected to the top of the single frame, and a pressing plate is fixedly connected to the telescopic end of the cylinder.

[0015] Preferably, the circumference of the storage block is symmetrically fixed with two mounting blocks, the inner wall of the rectangular groove is symmetrically and laterally provided with two mounting grooves for the two mounting blocks to slide left and right, and the storage block is mounted in the inner cavity of the rectangular groove through two clamping blocks.

[0016] The working principle and beneficial effects of the present invention are:

[0017] 1. The present invention is designed with a material distribution component. The arrangement of the material distribution component enables a plurality of blasting blades to make circular motions and rotate in the barrel to continuously mix and stir the raw material powder, so that the raw material powder is more evenly affected by the shock wave, thereby enhancing the blasting effect on the raw material powder and preventing agglomeration, thereby improving the blasting efficiency. In addition, the powder can be prevented from agglomerating and forming agglomerations in the barrel, thereby ensuring the quality and fluidity of the raw material powder.

[0018] 2. The present invention designs an auxiliary leveling component. The setting of the auxiliary leveling component can make the cavity move left and right so that the raw material powder is evenly distributed in the cavity, thereby flattening it in the cavity, preventing the occurrence of uneven raw material filling caused by gaps in the raw material powder in the cavity, thereby ensuring the molding quality and stability of the product.

[0019] 3. The present invention can continuously roll up the raw materials at the bottom of the barrel for repeated blasting when the conveying blade rotates forward, thereby enhancing the blasting effect and ensuring the blasting efficiency and product quality. When the conveying blade is reversed, a certain vibration will be generated, which is conducive to the smooth outflow of the raw materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0021] Figure 1 A schematic diagram of the three-dimensional structure proposed by the present invention;

[0022] Figure 2 A schematic diagram of the top view structure of the present invention;

[0023] Figure 3 It is a schematic diagram of the plane structure proposed by the present invention;

[0024] Figure 4 It is a schematic diagram of the cross-sectional structure of the barrel proposed by the present invention;

[0025] Figure 5 This is a schematic diagram of the cross-sectional structure of the protective cover proposed by the present invention;

[0026] Figure 6 The present invention proposes Figure 4 Schematic diagram of the structure viewed from above;

[0027] Figure 7 A schematic diagram of the decomposition structure proposed by the present invention;

[0028] Figure 8 The present invention proposes Figure 7 Schematic diagram of the structure viewed from above.

[0029] In the figure: 1. bottom plate; 2. bracket; 21. single frame; 3. barrel; 4. cavity; 5. cylinder; 6. pressing plate; 7. transmission assembly; 71. electric slide bar 1; 72. push block; 73. mounting plate; 74. rectangular groove; 75. storage block; 76. mold groove; 8. auxiliary leveling assembly; 81. electric slide bar 2; 82. auxiliary leveling block; 83. adapter block; 85. adapter groove; 86. spring; 9. material leveling assembly; 91. motor; 92. rotating rod; 93. connecting rotating plate; 94. rotating ring; 95. protective cover; 96. fixed plate; 97. rotating shaft; 98. gear; 99. annular rack; 910. auxiliary rotating ring plate; 911. blasting leaf; 10. transmission leaf; 11. power button. DETAILED DESCRIPTION

[0030] The following will be combined with the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] See also Figures 1 to 8 The present invention provides a technical solution for a magnetic core forming device: a magnetic core forming device, comprising a bottom plate 1, a bracket 2 fixed on the top of the bottom plate 1, a barrel 3 fixedly connected to the inner cavity of the bracket 2, a cavity 4 provided at the bottom of the barrel 3, a single frame 21 fixedly connected to the top of the bottom plate 1, a cylinder 5 fixedly connected to the top of the single frame 21, a pressing plate 6 fixedly connected to the telescopic end of the cylinder 5, when the cavity 4 is filled with raw materials and leveled, the cylinder 5 is started so that the telescopic end pushes the pressing plate 6 downward and is placed in the cavity 4, thereby completing the pressing and forming of the magnetic core;

[0032] Specifically, a conveying assembly 7 for pushing the mold cavity 4 to the bottom of the barrel 3 for taking out materials is arranged on the top of the bottom plate 1. The conveying assembly 7 includes an electric slide rod 71. A mounting groove 1 is provided on the top of the bottom plate 1. The electric slide rod 71 is fixedly installed on the inner wall of the mounting groove 1 by bolts. A push block 72 is slidably connected to the outer wall of the electric slide rod 71. A mounting plate 73 is fixedly connected to the top of the push block 72. A rectangular groove 74 is provided on the top of the mounting plate 73. A placement block 75 is provided in the inner cavity of the rectangular groove 74. The circumference of the placement block 75 is symmetrically fixedly connected with two The inner wall of the rectangular groove 74 is symmetrically provided with two mounting grooves for the two mounting blocks to slide left and right. The placement block 75 is mounted on the inner cavity of the rectangular groove 74 through two clamping blocks. The top of the placement block 75 is provided with a placement groove 76 for placing the cavity 4. The electric slide bar 71 is started to make the push block 72 slide right on the outer wall of the electric slide bar 71, so that the push block 72 drives the mounting plate 73 and the cavity 4 in the rectangular groove 74 on the top of the placement block 75 to move until the cavity 4 moves to the bottom of the barrel 3 and is opposite to the discharge pipe, thereby realizing the material taking work;

[0033] refer to Figure 2 and Figure 8 As shown, in order to prevent the raw material powder from filling the cavity 4 by its own weight and possibly leaving gaps, resulting in uneven filling of the raw material, the following arrangement is made: an auxiliary leveling component 8 is arranged on the top of the bottom plate 1 to evenly lay the raw material in the cavity 4, and the auxiliary leveling component 8 includes an electric slide bar 81, a mounting groove 2 is opened on the top of the bottom plate 1, and the electric slide bar 81 is fixedly installed on the inner wall of the mounting groove 2 by bolts, and an auxiliary leveling block 82 is slidably connected to the outer wall of the electric slide bar 81, and the top of the auxiliary leveling block 82 is fixed The adapter block 83 is connected, and an adapter groove 85 for clamping the adapter block 83 is provided on the side of the placement block 75 close to the adapter block 83. Two springs 86 are symmetrically fixedly connected to the circumference of the placement block 75. The opposite ends of the two springs 86 are fixedly connected to the inner wall of the rectangular groove 74. The side of the placement block 75 close to the adapter block 83 is fixedly connected to the power button 11. The power button 11 is electrically connected to the electric slide bar 2 81. When the push block 72 slides to the left on the outer wall of the electric slide bar 1 71 to drive the cavity 4 to reset The adapter block 83 is inserted into the adapter groove 85 at the bottom of the placement block 75, so that the inner wall of the adapter groove 85 squeezes the power button 11 to start the electric slide bar 81 to run for half a minute. At this time, the placement block 75 synchronizes the auxiliary flat block 82 to move left and right and cooperates with the tension spring 86. When the placement block 75 and the auxiliary flat block 82 move left and right, they can apply appropriate pressure and extrusion force to make the raw material powder evenly distributed in the cavity 4 and fill it into every corner and recess, which helps to avoid the formation of holes, loose or uneven molded products. At the same time, the role of the tension spring 86 is to provide additional force to increase the compaction effect and ensure that the raw material powder can still maintain a good filling state after the pressure is released, and the tension spring 86 can provide a restoring force between the auxiliary flat block 82 and the placement block 75, so that the movement of the auxiliary flat block 82 and the placement block 75 is more stable. After half a minute of operation, the electric slide bar 81 pauses. At this time, the cavity 4 stays at the bottom of the pressing plate 6, and the pressing molding work can be started;

[0034] refer to Figure 2 and Figure 4 and Figure 5 and Figure 6As shown, in order to prevent the raw materials stored in the barrel 3 from agglomerating and affecting the performance and quality of the final product, the following arrangements are made: a material leveling assembly 9 is provided on the top of the barrel 3 to blast the agglomerated raw materials in the barrel 3; the material leveling assembly 9 includes a motor 91, the motor 91 is fixed on the top of the barrel 3, a rotating rod 92 is fixedly connected to the output end of the motor 91, a rotating plate 93 is fixedly connected to the outer wall of the rotating rod 92, a protective cover 95 is fixedly connected to the inner wall of the barrel 3, and the inner wall of the protective cover 95 is rotated The inner wall of the bottom of the protective cover 95 is rotatably connected to a rotating ring 94 fixed to the connecting rotating plate 93, the inner wall of the bottom of the protective cover 95 is rotatably connected to an auxiliary rotating ring plate 910, the circumferential surface of the rotating ring 94 is fixedly connected to a fixed plate 96, the bottom of the fixed plate 96 is rotatably connected to a rotating shaft 97, the outer wall of the rotating shaft 97 is fixedly connected to a gear 98, the inner wall of the barrel 3 is fixedly connected to an annular rack 99, the gear 98 is meshed with the annular rack 99, the auxiliary rotating ring plate 910 is rotatably connected to the rotating shaft 97, and the outer wall of the rotating shaft 97 is fixedly connected to A plurality of blasting leaves 911 are provided. The motor 91 is started to drive the output end to drive the rotating rod 92 to rotate. The rotating rod 92 drives the connecting rotating plate 93 to rotate. The connecting rotating plate 93 rotates to drive the rotating ring 94 to rotate. The rotating ring 94 rotates to drive the fixed plate 96 to rotate so that the gear 98 is meshed with the annular rack 99 to rotate the rotating shaft 97. The rotating shaft 97 rotates while driving the auxiliary rotating ring plate 910 to rotate in the protective cover 95, and the meshing environment of the gear 98 and the annular rack 99 is set in a sealed state, thereby preventing the powder from floating between the gear 98 and the annular rack 99, which causes the friction to increase and the normal movement between the mechanical parts to be hindered. The rotating shaft 97 rotates and drives the plurality of blasting leaves 911 to make a circular motion in the barrel 3 and rotate to continuously mix and flip the raw material powder, so that it is more evenly affected by the shock wave, thereby improving the blasting efficiency. In addition, the rotating motion of the blasting leaves 911 can also prevent the powder from agglomerating and forming agglomerates in the barrel 3, thereby ensuring the quality and fluidity of the raw material powder.

[0035] Furthermore, the outer wall of the rotating rod 92 is fixedly connected with a conveying blade 10, which is used to roll up the raw materials at the bottom of the barrel 3 for agglomeration blasting. When the rotating rod 92 drives the conveying blade 10 to rotate forward, the raw materials at the bottom of the barrel 3 can be continuously rolled up for repeated blasting, thereby enhancing the blasting effect. At the same time, it can also help to distribute the raw materials more evenly in the barrel 3, avoiding the accumulation of raw materials in the barrel 3, ensuring the blasting efficiency and product quality. When the rotating rod 92 drives the conveying blade 10 to reverse, the conveying blade 10 will generate a certain vibration when reversing, so that the raw materials are pushed to the discharge pipe of the barrel 3, which is conducive to the smooth outflow of the raw materials.

[0036] The working principle and use process of the present invention are as follows: when in use, the motor 91 is started to make a plurality of blasting leaves 911 perform circular motion and rotate in the barrel 3 to continuously mix and turn the raw material powder, thereby ensuring the quality and fluidity of the raw material powder. Subsequently, the mold cavity 4 is placed in the mold placement groove 76, and the electric slide bar 1 71 is started to make the push block 72 push the mold cavity 4 to move to the bottom of the barrel 3 and opposite to the discharge pipe to carry out the material picking work. After picking up the material, the push block 72 slides to the left on the outer wall of the electric slide bar 1 71 to drive the mold cavity 4 to reset and be opposite to the pressing plate 6. At the same time, the adapter block 83 is inserted into the adapter groove 85 at the bottom of the placement block 75, and the power button 11 is pressed to start the electric slide bar 2 81 to run for half a minute to flatten the raw material powder in the mold cavity 4. After half a minute of operation, the mold cavity 4 stays at the bottom of the pressing plate 6, and the cylinder 5 is started to move the pressing plate 6 down and place it in the mold cavity 4, thereby completing the pressing and forming of the magnetic core.

[0037] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A magnetic core forming device, comprising a base plate (1), a bracket (2) fixed on the top of the base plate (1), the inner cavity of the bracket (2) being fixedly connected to a barrel (3), characterized in that: The bottom of the barrel (3) is provided with a cavity (4), the top of the bottom plate (1) is provided with a conveying component (7) for pushing the cavity (4) to the bottom of the barrel (3) for taking out materials, the top of the bottom plate (1) is provided with an auxiliary leveling component (8) for evenly laying the raw materials in the cavity (4), and the top of the barrel (3) is provided with a material leveling component (9) for blasting the agglomerated raw materials in the barrel (3); The auxiliary leveling assembly (8) comprises an electric slide bar (81), a mounting groove (8) is provided on the top of the base plate (1), the electric slide bar (81) is fixedly installed on the inner wall of the mounting groove (8) by means of bolts, an auxiliary leveling block (82) is slidably connected to the outer wall of the electric slide bar (81), an adapting block (83) is fixedly connected to the top of the auxiliary leveling block (82), an adapting groove (85) for clamping the adapting block (83) is provided on the side of the placement block (75) close to the adapting block (83), two springs (86) are symmetrically fixedly connected to the circumference of the placement block (75), and the opposite ends of the two springs (86) are fixedly connected to the inner wall of the rectangular groove (74); The material distribution assembly (9) comprises a motor (91), wherein the motor (91) is fixed on the top of the barrel (3), the output end of the motor (91) is fixedly connected to a rotating rod (92), the outer wall of the rotating rod (92) is fixedly connected to a connecting rotating plate (93), the inner wall of the barrel (3) is fixedly connected to a protective cover (95), the inner wall of the protective cover (95) is rotatably connected to a rotating ring (94) fixed to the connecting rotating plate (93), and the inner wall of the bottom of the protective cover (95) is rotatably connected to an auxiliary rotating ring plate (94). 10); the circumferential surface of the rotating ring (94) is fixedly connected to a fixed plate (96); the bottom of the fixed plate (96) is rotatably connected to a rotating shaft (97); the outer wall of the rotating shaft (97) is fixedly connected to a gear (98); the inner wall of the barrel (3) is fixedly connected to an annular rack (99); the gear (98) is meshed with the annular rack (99); the auxiliary rotating ring plate (910) is rotatably connected to the rotating shaft (97); and the outer wall of the rotating shaft (97) is fixedly connected to a plurality of blasting leaves (911); The outer wall of the rotating rod (92) is fixedly connected with a conveying blade (10) for rolling up the raw materials at the bottom of the barrel (3) for agglomeration and blasting.

2. A magnetic core forming device according to claim 1, characterized in that: The transmission assembly (7) comprises an electric slide bar (71), a mounting groove (71) is provided at the top of the base plate (1), the electric slide bar (71) is fixedly installed on the inner wall of the mounting groove (71) by means of bolts, a push block (72) is slidably connected to the outer wall of the electric slide bar (71), a mounting plate (73) is fixedly connected to the top of the push block (72), a rectangular groove (74) is provided at the top of the mounting plate (73), a placement block (75) is provided in the inner cavity of the rectangular groove (74), and a mold placement groove (76) is provided at the top of the placement block (75) for placing the mold cavity (4) therein.

3. A magnetic core forming device according to claim 2, characterized in that: A power button (11) is fixedly connected to one side of the storage block (75) close to the adapter block (83), and the power button (11) is electrically connected to the second electric slide bar (81).

4. A magnetic core forming device according to claim 1, characterized in that: The top of the bottom plate (1) is fixedly connected to a single frame (21), the top of the single frame (21) is fixedly connected to a cylinder (5), and the telescopic end of the cylinder (5) is fixedly connected to a pressing plate (6).

5. A magnetic core forming device according to claim 2, characterized in that: The circumference of the placement block (75) is symmetrically and fixedly connected to two mounting blocks, and the inner wall of the rectangular groove (74) is symmetrically and laterally provided with two mounting grooves for the two mounting blocks to slide left and right. The placement block (75) is mounted in the inner cavity of the rectangular groove (74) through two clamping blocks.

Citation Information

Patent Citations

  • Forming and pressing device for magnetic core production

    CN114102805A

  • Powder forming machine for soft magnetic core machining

    CN117047893A