Forming and pressing device for magnetic core production

Abstract

The utility model provides a forming and pressing device for magnetic core production, which comprises a workbench and sliding chutes symmetrically arranged on the outer walls of two opposite ends of the bottom of the workbench, and a bearing plate is connected between the two groups of sliding chutes in a sliding manner; the rectangular groove is formed in the center of the top of the workbench, and a forming mold is arranged between the bearing plate and the rectangular groove; the translation assembly is fixedly mounted at the top of the workbench, and the translation assembly is located above the forming mold; the supporting rods are symmetrically arranged in the middle of the top of the translation assembly, and limiting rings are fixedly mounted at the tops of the supporting rods; the pressing assembly is installed between the two sets of limiting rings and used for pressing the magnetic core powder; pressing molds which are uniformly distributed are fixedly mounted at the lower pressing end of the pressing assembly; according to the utility model, powder in the inner cavity of the die can be conveniently stricken during feeding, so that the phenomenon of uneven pressing in the later period is avoided, and meanwhile, redundant powder is prevented from being adhered to the opening of the die; and the forming mold can be quickly mounted and dismounted.

Description

Technical Field

[0001] The utility model relates to the technical field of magnetic core processing, in particular to a forming and pressing device for producing magnetic cores. Background Art

[0002] Magnetic core refers to a sintered magnetic metal oxide composed of a mixture of various iron oxides. For example, manganese-zinc ferrite and nickel-zinc ferrite are typical core materials. Manganese-zinc ferrite has the characteristics of high magnetic permeability and high magnetic flux density and has low loss characteristics. Nickel-zinc ferrite has extremely high resistivity and low magnetic permeability of less than a few hundred. Ferrite cores are used in coils and transformers of various electronic devices.

[0003] Pressing is an important production process of magnetic core processing. During pressing, a pressing mold is needed to press the magnetic core powder into shape for subsequent sintering. There are many different types of pressing molds on the market. After searching, the existing pressing devices still have the following defects:

[0004] (1) When feeding the mold cavity, excess powder is easy to adhere to the mold mouth, which can easily lead to uneven surface of the pressed magnetic core during demolding. It is not convenient to scrape the powder in the mold cavity flat while feeding, which may cause uneven pressing in the later stage, thus affecting product quality;

[0005] (2) During the pressing process, the forming mold cannot be installed and disassembled quickly.

[0006] Therefore, we have made improvements to this and proposed a forming and pressing device for magnetic core production. Utility Model Content

[0007] The purpose of the utility model is to address the current problems that when feeding the inner cavity of the mold, excess powder is easy to adhere to the mold mouth, which easily leads to uneven surface of the pressed magnetic core during demolding, and it is inconvenient to scrape the powder in the inner cavity of the mold flat while feeding, which easily leads to uneven pressing in the later stage, thus affecting product quality; during the pressing process, the molding mold cannot be quickly installed and disassembled.

[0008] In order to achieve the above-mentioned utility model purpose, the utility model provides the following technical solutions:

[0009] A forming and pressing device is provided for producing magnetic cores to improve the above problems.

[0010] The utility model is specifically as follows:

[0011] It includes a workbench and also includes slide grooves, which are symmetrically opened on the outer walls at both ends of the bottom of the workbench facing each other, and a bearing plate is slidably connected between the two sets of slide grooves; a handle is fixedly installed on the outer wall of the bearing plate; a rectangular groove is opened at the center of the top of the workbench, and a forming mold is arranged between the bearing plate and the rectangular groove; a translation component is fixedly installed on the top of the workbench, and the translation component is located above the forming mold; a support rod is symmetrically arranged in the middle section of the top of the translation component, and a limiting ring is fixedly installed on the top of the support rod; a pressing component is installed between the two sets of limiting rings, and is used to press the magnetic core powder; the lower pressing end of the pressing component is fixedly installed with evenly distributed pressing molds, and the forming mold and the pressing mold are arranged in opposite directions.

[0012] As the preferred technical solution of the utility model, the translation assembly includes a rectangular guide rail fixedly mounted on the top of the workbench and symmetrically distributed, a driving screw rotatably connected to the inner cavity of the rectangular guide rail, a slider threadedly connected to the outer wall of the driving screw, a translation plate fixedly mounted between the two groups of sliders, a powder hopper fixedly mounted on the top of the translation plate, feeding holes evenly opened on the translation plate, feeding pipes fixedly mounted on the bottom of the translation plate and evenly distributed, and a scraper fixedly mounted on the outer wall of the translation plate, and the scraper is arranged to avoid the feeding pipe.

[0013] As a preferred technical solution of the utility model, the pressing assembly includes a driving bidirectional screw rotatably connected between two groups of limit rings, and a sliding seat threadedly connected to the outer wall of the driving bidirectional screw and symmetrically distributed, one group of the sliding seat outer walls are movably installed with symmetrically distributed I-type connecting rods, and the other group of the sliding seat outer walls are movably connected with Y-type connecting rods, and an inverted U-shaped frame is movably connected at the junction of the I-type connecting rod and the Y-type connecting rod, a pressure plate is fixedly installed at the bottom of the inverted U-shaped frame, and evenly distributed pressing molds are also fixedly installed at the bottom of the pressure plate.

[0014] As a preferred technical solution of the utility model, the support rods are provided with two groups, and symmetrically distributed slide rails are provided at both ends of any one group of the support rods, and the two groups of the slide rails are respectively slidably connected to the two ends of the pressure plate.

[0015] As a preferred technical solution of the utility model, symmetrically distributed triangular support plates are fixedly installed on the top of the workbench, and the vertical sections of any group of the triangular support plates are fixedly connected to the outer wall of the support rod; a detachably connected collection box is installed on the outer side wall of the workbench.

[0016] As a preferred technical solution of the utility model, a group of the upper outer walls of the support rods are fixedly provided with a T-shaped fixing plate, and a protective cover covering the outer wall of the output end of the driving bidirectional screw is fixedly installed on the top of the T-shaped fixing plate.

[0017] Compared with the prior art, the utility model has the following beneficial effects:

[0018] In the solution of the utility model:

[0019] 1. The translation assembly, scraper and collecting box are used together to facilitate the scraping of the powder in the inner cavity of the forming mold while feeding the material, which solves the problem in the prior art that when feeding the forming mold, the excess powder is easy to adhere to the mold mouth, which easily leads to uneven surface of the pressed magnetic core during demolding, and it is not convenient to scrape the powder in the inner cavity of the mold while feeding the material, which is easy to cause uneven pressing in the later stage, thus affecting the product quality.

[0020] 2. The slide groove, the load-bearing plate, the rectangular groove and the forming mold are used in combination to facilitate the installation and disassembly of the forming mold, thereby solving the problem in the prior art that the forming mold cannot be quickly installed and disassembled during the pressing process. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is one of the three-dimensional structural schematic diagrams of the forming and pressing device for producing magnetic cores provided by the utility model;

[0022] Figure 2 The second three-dimensional structural schematic diagram of the forming and pressing device for producing magnetic cores provided by the utility model;

[0023] Figure 3 A schematic diagram of the exploded structure of a pressing assembly of a forming pressing device for producing a magnetic core provided by the utility model;

[0024] Figure 4 A schematic diagram of the three-dimensional structure of a translation assembly of a forming and pressing device for producing a magnetic core provided by the utility model;

[0025] Figure 5 A schematic diagram of the exploded structure of the translational assembly of the forming and pressing device for producing magnetic cores provided by the utility model;

[0026] Figure 6 The utility model is a schematic diagram of the exploded structure of the workbench of the forming and pressing device for producing magnetic cores provided by the utility model.

[0027] Indicated in the figure:

[0028] 1. Workbench; 2. Slide; 3. Loading plate; 4. Rectangular groove; 5. Forming mold; 6. Translation assembly; 601. Rectangular guide rail; 602. Driving screw; 603. Sliding block; 604. Translation plate; 605. Powder hopper; 606. Feeding hole; 607. Feeding tube; 608. Scraper; 7. Support rod; 8. Limiting ring; 9. Pressing assembly; 901. Driving bidirectional screw; 902. Sliding seat; 903. I-type connecting rod; 904. Y-type connecting rod; 905. Inverted U-shaped frame; 906. Pressing plate; 10. Pressing mold; 11. Slide rail; 12. Triangular support plate; 13. T-shaped fixing plate; 14. Protective cover; 15. Collection box. DETAILED DESCRIPTION

[0029] To make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be described clearly and completely in conjunction with the accompanying drawings. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments.

[0030] Therefore, the following detailed description of the embodiments of the present invention is not intended to limit the scope of the present invention to be protected, but merely represents some embodiments of the present invention. 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] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features and technical solutions in the embodiments may be combined with each other.

[0032] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0033] like Figure 1-6 As shown, the present embodiment proposes a forming and pressing device for producing magnetic cores, comprising a workbench 1, and also comprising slide grooves 2, which are symmetrically arranged on the outer walls at both ends of the bottom of the workbench 1 facing each other, and a bearing plate 3 is slidably connected between the two groups of slide grooves 2; a handle is fixedly installed on the outer wall of the bearing plate 3; a rectangular groove 4 is arranged at the center of the top of the workbench 1, and a forming mold 5 is arranged between the bearing plate 3 and the rectangular groove 4; a translation component 6 is fixedly installed on the top of the workbench 1, and the translation component 6 is located above the forming mold 5; a support rod 7 is symmetrically arranged in the middle section of the top of the translation component 6, and a limiting ring 8 is fixedly installed on the top of the support rod 7; a pressing component 9 is installed between the two groups of limiting rings 8, and is used to press the magnetic core powder; the lower pressing end of the pressing component 9 is fixedly installed with evenly distributed pressing molds 10, and the forming mold 5 and the pressing mold 10 are arranged in opposite directions to facilitate the pressing of the material powder to form it.

[0034] like Figure 1 , Figure 2 , Figure 4 , Figure 5 As shown, as a preferred embodiment, on the basis of the above-mentioned method, further, the translation assembly 6 includes a rectangular guide rail 601 fixedly mounted on the top of the workbench 1 and symmetrically distributed, a driving screw 602 rotatably connected to the inner cavity of the rectangular guide rail 601, a slider 603 threadedly connected to the outer wall of the driving screw 602, a translation plate 604 fixedly mounted between the two groups of sliders 603, a powder hopper 605 fixedly arranged on the top of the translation plate 604, feeding holes 606 evenly opened on the translation plate 604, and a feeding pipe 607 fixedly mounted on the bottom of the translation plate 604 and evenly distributed, and a scraper 608 is fixedly mounted on the outer wall of the translation plate 604. The scraper 608 avoids the feeding pipe 607 to facilitate the scraping of the powder in the inner cavity of the mold while feeding, so as to avoid the uneven pressing phenomenon that is easy to occur in the later stage, and at the same time avoid the excess powder adhering to the mold mouth, which is easy to cause the uneven surface of the pressed magnetic core during demolding.

[0035] like Figure 1 , Figure 2 , Figure 3 As shown, as a preferred embodiment, on the basis of the above-mentioned method, further, the pressing assembly 9 includes a driving bidirectional screw 901 rotatably connected between two groups of limit rings 8, and a slide 902 threadedly connected to the outer wall of the driving bidirectional screw 901 and symmetrically distributed, one group of slides 902 has symmetrically distributed I-type connecting rods 903 movably installed on the outer wall, and another group of slides 902 has a Y-type connecting rod 904 movably connected to the outer wall, and an inverted U-shaped frame 905 is movably connected at the junction of the I-type connecting rod 903 and the Y-type connecting rod 904, and a pressing plate 906 is fixedly installed at the bottom of the inverted U-shaped frame 905, and evenly distributed pressing molds 10 are also fixedly installed at the bottom of the pressing plate 906, so as to drive the pressing mold 10 installed on the pressing plate 906 to move vertically.

[0036] like Figure 1 , Figure 2 , Figure 3 As shown, as a preferred embodiment, on the basis of the above-mentioned method, further, two groups of support rods 7 are provided, and symmetrically distributed slide rails 11 are provided at both ends of any group of support rods 7, and the two groups of slide rails 11 are respectively slidably connected to the two ends of the pressing plate 906, and the stability of the pressing plate 906 is improved by the set slide rails 11, and the uniformity of pressing is improved.

[0037] like Figure 1 , Figure 2 , Figure 3 , Figure 6As shown, as a preferred embodiment, on the basis of the above-mentioned method, further, symmetrically distributed triangular support plates 12 are fixedly installed on the top of the workbench 1, and the vertical sections of any group of triangular support plates 12 are fixedly connected to the outer wall of the support rod 7, and a detachably connected collection box 15 is installed on the outer side wall of the workbench 1, and the excess material powder is collected by the set collection box 15.

[0038] like Figure 1 , Figure 2 , Figure 3 As shown, as a preferred embodiment, on the basis of the above-mentioned method, further, a T-shaped fixing plate 13 is fixedly provided on the outer wall of the upper section of one group of support rods 7, and a protective cover 14 is fixedly installed on the top of the T-shaped fixing plate 13 to cover the outer wall of the output end of the driving bidirectional screw 901, so that the output end of the driving bidirectional screw 901 is protected by the protective cover 14.

[0039] Specifically, when the forming and pressing device for producing magnetic cores is used: first, the forming mold 5 is placed in the middle of the rectangular groove 4, and at the same time, the bottom of the forming mold 5 is supported by the supporting plate 3, so as to facilitate the installation of the forming mold 5;

[0040] Then, the powder is poured into the inner cavity of the powder hopper 605, and the switch of the driving screw 602 driven by the forward and reverse motor is started. When the driving screw 602 rotates forward, it drives the slider 603 threadedly connected thereto to move horizontally backward along the rectangular guide rail 601, thereby causing the translation plate 604 to move horizontally backward. During the horizontal backward movement, when the lower feed pipe 607 moves to the groove on the forming mold 5, the powder in the inner cavity of the powder hopper 605 leaks into the groove on the forming mold 5 along the lower feed pipe 607. In the groove, when the lower feeding tube 607 contacts the top of the forming mold 5, the powder stops leaking, and during the movement, the powder on the forming mold 5 is scraped flat by the scraper 608 installed on the outer wall of the translation plate 604, and then the excess powder is scraped to the inner cavity of the collecting box 15; it is convenient to scrape the powder in the inner cavity of the mold flat while feeding, avoiding the uneven pressing phenomenon in the later stage, and avoiding the excess powder adhering to the mold mouth, which is easy to cause the uneven surface of the pressed magnetic core during demolding;

[0041] The switch of the bidirectional screw 901 driven by the forward and reverse motor is turned on. When the bidirectional screw 901 is driven to rotate forward, the two sets of slide seats 902 threadedly connected thereto approach each other. At this time, the angle between the I-type connecting rod 903 and the Y-type connecting rod 904 becomes smaller, thereby driving the pressing plate 906 to move vertically downward along the support rod 7, thereby driving the pressing die 10 installed on the pressing plate 906 to press the powder on the forming die 5.

[0042] When the bidirectional screw 901 is driven to reverse, the two sets of slide seats 902 threadedly connected thereto move away from each other, and at this time, the angle between the I-shaped connecting rod 903 and the Y-shaped connecting rod 904 becomes larger, thereby driving the pressing plate 906 to move vertically upward along the support rod 7, thereby driving the pressing die 10 installed on the pressing plate 906 away from the forming die 5, so as to facilitate the subsequent disassembly of the forming die 5;

[0043] Then, the carrying plate 3 is pulled out from the slide groove 2 on the workbench 1 through the provided handle, and the bottom of the forming mold 5 loses the supporting force and slides downward, thereby facilitating the removal of the forming mold 5, and then the mold inside the forming mold 5 is demoulded.

[0044] All technical features in this embodiment can be freely combined according to actual needs.

[0045] The above embodiments are preferred implementation schemes of the present invention. In addition, the present invention can also be implemented in other ways. Any obvious replacement without departing from the concept of the present technical solution is within the protection scope of the present invention.

Claims

1. A forming and pressing device for producing magnetic cores, comprising a workbench (1), characterized in that: Also includes, The slide grooves (2) are symmetrically arranged on the outer walls at both ends of the bottom of the workbench (1) facing each other, and a bearing plate (3) is slidably connected between the two sets of slide grooves (2), and a handle is fixedly installed on the outer wall of the bearing plate (3); A rectangular groove (4) is provided at the top center of the workbench (1), and a forming mold (5) is provided between the carrying plate (3) and the rectangular groove (4); A translation assembly (6) is fixedly mounted on the top of the workbench (1), and the translation assembly (6) is located above the molding die (5); A support rod (7) is symmetrically arranged at the middle section of the top of the translation assembly (6), and a limit ring (8) is fixedly installed on the top of the support rod (7); A pressing assembly (9) is installed between the two sets of limit rings (8) and is used to press the magnetic core powder material; evenly distributed pressing dies (10) are fixedly installed at the lower pressing end of the pressing assembly (9), and the molding die (5) and the pressing die (10) are arranged in opposite directions.

2. A forming and pressing device for producing a magnetic core according to claim 1, characterized in that: The translation assembly (6) comprises a rectangular guide rail (601) fixedly mounted on the top of the workbench (1) and symmetrically distributed, a driving screw (602) rotatably connected to the inner cavity of the rectangular guide rail (601), a slider (603) threadedly connected to the outer wall of the driving screw (602), a translation plate (604) fixedly mounted between two sets of sliders (603), a powder hopper (605) fixedly mounted on the top of the translation plate (604), discharge holes (606) evenly arranged on the translation plate (604), and discharge pipes (607) fixedly mounted on the bottom of the translation plate (604) and evenly distributed, and a scraper (608) fixedly mounted on the outer wall of the translation plate (604), and the scraper (608) is arranged to avoid the discharge pipe (607).

3. A forming and pressing device for producing a magnetic core according to claim 1, characterized in that: The pressing assembly (9) comprises a driving bidirectional screw (901) rotatably connected between two groups of limit rings (8), and a slide seat (902) threadedly connected to the outer wall of the driving bidirectional screw (901) and symmetrically distributed, wherein one group of the slide seats (902) is movably mounted with symmetrically distributed I-type connecting rods (903) on the outer wall, and another group of the slide seats (902) is movably connected with a Y-type connecting rod (904) on the outer wall, and an inverted U-shaped frame (905) is movably connected at the intersection of the I-type connecting rod (903) and the Y-type connecting rod (904), and a pressing plate (906) is fixedly mounted at the bottom of the inverted U-shaped frame (905), and evenly distributed pressing molds (10) are also fixedly mounted at the bottom of the pressing plate (906).

4. A forming and pressing device for producing a magnetic core according to claim 1, characterized in that: The support rods (7) are provided in two groups, and symmetrically distributed slide rails (11) are provided at both ends of any one group of the support rods (7), and the two groups of the slide rails (11) are respectively slidably connected to the two ends of the pressure plate (906).

5. A forming and pressing device for producing a magnetic core according to claim 4, characterized in that: The top of the workbench (1) is fixedly mounted with symmetrically distributed triangular support plates (12), and the vertical sections of any group of the triangular support plates (12) are fixedly connected to the outer wall of the support rod (7), and the outer side wall of the workbench (1) is mounted with a detachably connected collection box (15).

6. A forming and pressing device for producing a magnetic core according to claim 5, characterized in that: A T-shaped fixing plate (13) is fixedly provided on the outer wall of the upper section of one group of the support rods (7), and a protective cover (14) is fixedly installed on the top of the T-shaped fixing plate (13) and covers the outer wall of the output end of the driving bidirectional screw rod (901).

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