Magnetic core pressing and demolding integrated mold

By using an integrated mold for pressing and demolding magnetic cores, and employing an upper mold lifting drive mechanism to eject the magnetic cores, the problems of complex structure and high cost in existing technologies are solved, and a simplified magnetic core ejection process is achieved.

CN223462110UActive Publication Date: 2025-10-21TIANCHANG HUACIMAGNETOELECTRICS CO LTD
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Patent Information

Application Number
CN202421692078.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-16
Publication Date
2025-10-21
Estimated Expiration
2034-07-16

AI Technical Summary

Technical Problem

In the existing magnetic core pressing process, ejecting the magnetic core requires an additional cylinder and telescopic rod, which is complex and costly.

Method used

A magnetic core pressing and demolding integrated mold is adopted. The upper mold is driven to lift by a lifting mechanism. The upper mold is driven to rise by a cylinder. The connecting rod deflects and drives the sliding upright and sliding crossbar. The rocker plate lifts up and ejects the magnetic core. The connecting rod is embedded in the upright frame, which simplifies the driving structure.

Benefits of technology

It achieves simple ejection of the magnetic core, reduces the need for additional drive mechanisms, has a simple structure, is highly practical, and is suitable for widespread application.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a magnetic core pressing and demoulding integrated mould, which relates to the technical field of magnetic core pressing and comprises a bottom plate, a vertical frame is arranged on the bottom plate, an air cylinder is fixedly arranged in the middle of the vertical frame, the output end of the air cylinder faces downwards and is connected with a telescopic rod, an upper mould is fixedly arranged at the bottom of the telescopic rod, and a lower mould is fixedly arranged on the bottom plate through a supporting column. A top plate is arranged at the bottom of the lower die, the supporting columns are sleeved with lantern rings, the lantern rings and the top plate are connected through sliding columns, the positions, located outside the lower die, of the sliding columns are sleeved with supporting springs, and a driving mechanism for lifting the lantern rings is arranged on the vertical frame. The lifting mechanism for ejecting the mold is simple in structure, the lifting mechanism for ejecting the mold is driven by lifting the upper mold, an additional driving mechanism is not needed, the connecting rod for driving is embedded in the vertical frame, and the lifting mechanism is high in practicability and suitable for popularization.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of magnetic core pressing, and particularly relates to a magnetic core pressing and demolding integrated mold. BACKGROUND

[0002] Magnetic cores are basic components of electronic devices, have various shapes and structures, and are generally formed by pressing through a mold. In the manufacturing process of powder magnetic cores, granulated powder having soft magnetic powder and insulating binder material is compressed and formed to obtain a formed body. In the process of magnetic core pressing and forming, the magnetic core needs to be ejected after being pressed and formed by the mold, but the existing magnetic core ejection is driven by an additional cylinder and telescopic rod, which is complex in structure and high in cost. CONTENT

[0003] The utility model discloses a magnetic core pressing and demolding integrated mold which is simple in structure, drives the lifting mechanism for ejecting the mold by lifting the upper mold, does not need an additional driving mechanism, and embeds the connecting rod used for driving in the vertical frame, is high in practicability, and is suitable for promotion.

[0004] The utility model provides the following technical scheme: a kind of magnetic core pressing and demolding integrated mold, including bottom plate, bottom plate is equipped with vertical frame, fixedly arranged with cylinder in the middle part of vertical frame, the output end of cylinder is connected with telescopic rod downwards, the bottom of telescopic rod is fixedly arranged with upper mold, bottom plate is fixedly arranged with lower mold by support column, the position of lower mold and upper mold is opposite, the bottom of lower mold is equipped with top plate, sleeve ring is sleeved on support column, and sleeve ring is connected by sliding column between top plate, and sliding column is penetrated by through groove and is penetrated to the bottom of lower mold, support spring is sleeved on the outside of lower mold where sliding column is located;

[0005] Symmetrical sliding groove is equipped on the both sides of vertical frame where cylinder is located, the opposite connecting rod of symmetry is connected by rotating shaft on the both sides of upper mold, the other end of connecting rod is slidably connected with sliding groove, sliding vertical rod is slidably arranged on the both sides of vertical frame wall, the upper end of sliding vertical rod is fixedly arranged with support inclined block extending into sliding groove, driving cavity is fixedly arranged on the both sides of support column where bottom plate is located, sliding horizontal rod is slidably arranged in driving cavity, the bottom of sliding vertical rod is in contact with the upper surface of sliding horizontal rod, and bight plate is arranged on the side of driving cavity close to sleeve ring.

[0006] Preferably, symmetric strip grooves are arranged on the inner walls of the sliding grooves, protruding columns are fixedly arranged on the both sides of one end of the connecting rod in the sliding grooves, and the protruding columns are slidably connected in the strip grooves.

[0007] Preferably, the connecting rod is provided with a chamfer at one end located in the sliding groove, the strip-shaped groove extends to the supporting inclined block, and the length of the connecting rod satisfies that the upper mold is closable and when the upper mold is lifted, the one end of the connecting rod located in the sliding groove abuts against the inclined surface of the supporting inclined block.

[0008] Preferably, the middle part of the flap is provided with a center column fixed on the driving cavity, one end of the flap is located below the sliding horizontal rod, the other end of the flap is located below the sleeve ring, the lower end of the sliding horizontal rod is fixedly provided with a stabilizing column, and the stabilizing column penetrates into the bottom plate and is slidably connected with the bottom plate.

[0009] The ejection mechanism for ejecting the mold is driven by lifting the upper mold, no additional driving mechanism is needed, the connecting rod for driving is embedded in the vertical frame, and the utility model has the advantages of strong practicability, and the specific embodiments are as follows:

[0010] The utility model discloses a vertical frame, when the upper mold is pressed down by the cylinder, the magnetic core is formed after the upper mold and the lower mold, the cylinder drives the upper mold to ascend, in the process of ascending the upper mold, the connecting rod connected by the rotating shaft is deflected, the other end of the connecting rod slides along the sliding groove to both sides, after the upper mold ascends to a certain degree, one end of the connecting rod located in the sliding groove contacts the inclined surface of the supporting inclined block, when the upper mold continues to ascend, the connecting rod extrudes the inclined surface, drives the sliding vertical rod to move downward, the sliding horizontal rod drives the sliding horizontal rod to press down, the sliding horizontal rod lifts the flap, the top sleeve ring on the flap and the top plate, the magnetic core in the lower mold is ejected, the ejection mode is driven by the cylinder, and the ascending distance of the top plate is not influenced by the ascending distance of the upper mold. BRIEF DESCRIPTION OF DRAWINGS

[0011] The drawings are used to provide further understanding of the utility model and constitute a part of the specification, are used to explain the utility model together with the embodiments of the utility model, and do not constitute the limitation on the utility model.

[0012] Figure 1 It is the overall schematic view of the utility model;

[0013] Figure 2 It is the sectional view of the utility model;

[0014] Figure 3 It is the enlarged view of A of the utility model;

[0015] Figure 4 It is the enlarged view of B of the utility model;

[0016] Marked in the figure: 1, the base plate; 2, the vertical frame; 3, the cylinder; 4, the telescopic rod; 5, the upper die; 6, the support column; 7, the lower die; 8, the sliding vertical rod; 9, the sliding groove; 10, the strip-shaped groove; 11, the connecting rod; 12, the rotating shaft; 13, the driving cavity; 14, the sliding horizontal rod; 15, the sleeve ring; 16, the stabilizing column; 17, the rocker; 18, the top plate; 19, the sliding column; 20, the supporting inclined block; 21, the inclined surface; 22, the protruding column; 23, the through groove; 24, the supporting spring; 25, the center column. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0018] In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom end" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0019] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "sleeved / connected", "connected" and the like should be broadly understood, for example, "connected" can be fixedly connected, can be detachably connected, or integrally connected; can be mechanically connected, can be electrically connected; can be directly connected, can be indirectly connected through an intermediate medium, and can be connected between two elements. For those skilled in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances.

[0020] The structural features of the present application will be described in detail in conjunction with the drawings of the specification.

[0021] Referring to Figure 1 , 4The utility model provides a kind of magnetic core pressing demolding integrated mould, including bottom plate 1, bottom plate 1 is equipped with vertical frame 2, vertical frame 2 middle part is equipped with pneumatic cylinder 3, the output end of pneumatic cylinder 3 is downward and is connected with telescopic rod 4, telescopic rod 4 bottom is equipped with upper die 5, upper die 5 is driven to go up and down by pneumatic cylinder 3, bottom plate 1 is fixed with lower die 7 by support column 6, lower die 7 is opposite with upper die 5 position, lower die 7 is closed with upper die 5 and presses magnetic core, the bottom of lower die 7 is equipped with top plate 18, and film is removed by top plate 18 rising, support column 6 is equipped with sleeve ring 15, and sleeve ring 15 is connected between top plate 18 by sliding column 19, and sliding column 19 is penetrated into the bottom of lower die 7 by through slot 23, and sliding column 19 is equipped with support spring 24 outside lower die 7, and top plate 18 is attached to the bottom of lower die 7 by support spring 24.

[0022] Referring to Figure 2 、 3 , vertical frame 2 is equipped with symmetrical sliding groove 9 on both sides of pneumatic cylinder 3, and opposite symmetrical connecting rod 11 is connected to both sides of upper die 5 by rotating shaft 12, and the other end of connecting rod 11 is slidably connected with sliding groove 9, and sliding vertical rod 8 is slidably arranged on both side walls of vertical frame 2, and the upper end of sliding vertical rod 8 is fixedly provided with support inclined block 20 extending into sliding groove 9, so that sliding vertical rod 8 is lowered by transversely pressing support inclined block 20, and the one end of connecting rod 11 in sliding groove 9 is provided with a chamfer, and symmetrical strip-shaped grooves 10 are formed on the inner wall of sliding groove 9, and protruding columns 22 are fixedly arranged on both sides of the one end of connecting rod 11 in sliding groove 9, and protruding columns 22 are located in strip-shaped grooves 10 and are slidably connected therewith, so that the one end of connecting rod 11 is stably slid along strip-shaped grooves 10, and strip-shaped grooves 10 extend to support inclined block 20, so that the one end of connecting rod 11 can be abutted on support inclined block 20 and press support inclined block 20 downward, and the length of connecting rod 11 satisfies that upper die 5 and upper die 5 can be closed, and when upper die 5 is lifted, the one end of connecting rod 11 is abutted on the inclined surface 21 of support inclined block 20.

[0023] Referring to Figure 2 、 4 , drive cavity 13 is fixedly arranged on both sides of bottom plate 1, sliding horizontal rod 14 is slidably arranged in drive cavity 13, the bottom of sliding vertical rod 8 is in contact with the upper surface of sliding horizontal rod 14, and sliding horizontal rod 14 is pressed downward by sliding vertical rod 8, stable column 16 is fixedly arranged at the lower end of sliding horizontal rod 14, stable column 16 penetrates into bottom plate 1 and is slidably connected therewith, so as to keep stable horizontal movement of sliding horizontal rod 14, and cam plate 17 is arranged on the side of drive cavity 13 close to sleeve ring 15, center column 25 is fixedly arranged in drive cavity 13 and penetrates the middle part of cam plate 17, one end of cam plate 17 is located below sliding horizontal rod 14, and the other end of cam plate 17 is located below sleeve ring 15, sliding horizontal rod 14 lifts cam plate 17, sleeve ring 15 and top plate 18 are lifted on cam plate 17, and top plate 18 ejects magnetic core from lower die 7.

[0024] The lifting mechanism for ejecting the mold is driven by lifting the upper mold, no additional driving mechanism is needed, and the connecting rod for driving is embedded in the vertical frame, which is practical and suitable for promotion.

[0025] In particular, in use, with reference to Figures 1-4 When the upper mold 5 is driven downward by the cylinder 3, the magnetic core is formed after the upper mold 5 and the lower mold 7, the cylinder 3 drives the upper mold 5 to rise, in the process of the upper mold 5 rising, the connecting rod 11 connected by the rotating shaft 12 is deflected, the other end of the connecting rod 11 slides to both sides along the sliding groove 9, after the upper mold 5 rises to a certain degree, the one end of the connecting rod 11 in the sliding groove 9 contacts the inclined surface 21 of the supporting inclined block 20, when the upper mold 5 continues to rise, the connecting rod 11 extrudes the inclined surface 21, drives the sliding vertical rod 8 to move downward, the sliding vertical rod 8 drives the sliding horizontal rod 14 to press downward, the sliding horizontal rod 14 lifts the flap 17, the top sleeve ring 15 on the flap 17 and the top plate 18, the magnetic core in the lower mold 7 is ejected, and the film is removed.

[0026] The above only describes preferred embodiments of the utility model and is not used to limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical scheme recorded in the foregoing embodiments can be modified, or some technical features can be replaced equivalently. Any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A magnetic core compression and demolding integrated mold comprising a base plate (1), characterized in that, The bottom plate (1) is provided with a vertical frame (2), the middle part of the vertical frame (2) is fixedly provided with a pneumatic cylinder (3), the output end of the pneumatic cylinder (3) is downwardly connected with a telescopic rod (4), the bottom of the telescopic rod (4) is fixedly provided with an upper die (5), the bottom plate (1) is fixedly provided with a lower die (7) through a supporting column (6), the lower die (7) is opposite to the upper die (5) in position, the bottom of the lower die (7) is provided with a top plate (18), a sleeve ring (15) is sleeved on the supporting column (6), the sleeve ring (15) is connected with the top plate (18) through a sliding column (19), the sliding column (19) penetrates the bottom of the lower die (7) through a penetrating groove (23), the sliding column (19) is sleeved with a supporting spring (24) outside the lower die (7). The vertical frame (2) is provided with symmetrical sliding grooves (9) on both sides of the pneumatic cylinder (3), the upper die (5) is connected with symmetrical connecting rods (11) through rotating shafts (12) on both sides, the other end of the connecting rod (11) is slidably connected with the sliding groove (9), the vertical frame (2) is slidably provided with sliding vertical rods (8) on both sides, the upper end of the sliding vertical rod (8) is fixedly provided with a supporting inclined block (20) extending into the sliding groove (9), the bottom plate (1) is fixedly provided with driving cavities (13) on both sides of the supporting column (6), the driving cavities (13) are slidably provided with sliding horizontal rods (14), the bottom of the sliding vertical rod (8) is in contact with the upper surface of the sliding horizontal rod (14), the driving cavity (13) is provided with a warping plate (17) close to the sleeve ring (15).

2. The integrated core pressing and ejection mold according to claim 1, wherein The inner wall of the sliding groove (9) is provided with symmetrical strip-shaped grooves (10), the connecting rod (11) is fixedly provided with protruding columns (22) on both sides of one end in the sliding groove (9), the protruding column (22) is located in the strip-shaped groove (10) and is slidably connected therewith.

3. The integrated core pressing and ejection mold of claim 2, wherein, The connecting rod (11) is provided with a chamfer at one end in the sliding groove (9), the strip-shaped groove (10) extends to the supporting inclined block (20), the length of the connecting rod (11) satisfies that the upper die (5) and the upper die (5) can be closed, and when the upper die (5) is lifted, the one end of the connecting rod (11) in the sliding groove (9) is located on the inclined surface (21) of the supporting inclined block (20).

4. The integrated core pressing and ejection mold of claim 1, wherein, The middle part of the warping plate (17) is provided with a center column (25) fixedly arranged in the driving cavity (13), one end of the warping plate (17) is located below the sliding horizontal rod (14), the other end is located below the sleeve ring (15), the lower end of the sliding horizontal rod (14) is fixedly provided with a stabilizing column (16), the stabilizing column (16) penetrates into the bottom plate (1) and is slidably connected therewith.