Fixing block for magnetic steel casting and mold for fixing block

Abstract

The application discloses a fixing block for a magnetic steel casting and a mold of the fixing block and belongs to the technical field of magnetic steel casting drilling parts. The fixing block comprises a cuboid fixing block body, the material of the fixing block body is coated sand material, and one end of the fixing block body is provided with a notch. The notch can clamp the end of a core column, and the fixing block body can be fixed on the side wall of a mold cavity. The cuboid fixing block body is arranged, so that the fixing block body can be firmly clamped into a strip-shaped groove and pave the way for fixing the core column. The notch is arranged, the notch can clamp the end of the core column, the core column is prevented from moving, and the fixing effect is affected.

Description

Technical Field

[0001] This invention belongs to the technical field of drilling components for magnetic steel castings, specifically relating to a fixing block and a fixing block mold for magnetic steel castings. Background Technology

[0002] Magnet steel generally refers to AlNiCo alloy, which is composed of several hard, strong metals, such as iron, aluminum, nickel, and cobalt, and sometimes copper, niobium, and tantalum. It is used to make ultra-hard permanent magnet alloys. When producing products of specific shapes, molten metal is poured into a mold cavity to form a magnet steel casting.

[0003] In practical applications, through holes need to be made in the magnetic steel castings. Some of these through holes are quite large, and the magnetic steel castings themselves are relatively fragile, making them prone to damage during the drilling process. To address this issue, strip-shaped grooves are created on opposite sidewalls of the mold cavity. A near-cylindrical core is pre-placed at both ends within these grooves before molten metal is poured in. After obtaining the magnetic steel casting, it is removed, and the through hole is drilled at the location of the metal core. However, during the pouring of molten metal, the buoyancy of the molten metal causes the core to float, leading to misalignment and affecting the accuracy of the through hole drilling. Summary of the Invention

[0004] To address the aforementioned shortcomings, this invention provides a fixing block for magnetic steel castings and a mold for the fixing block. The fixing block can effectively fix the core column, prevent the core column from floating, and ensure the accuracy of opening through holes.

[0005] The first aspect of this invention protects a fixing block for magnetic steel castings, comprising a rectangular fixing block body, the fixing block body being made of coated sand material, and a notch being provided at one end of the fixing block body.

[0006] The notch can hold the end of the core column in place, and the main body of the fixing block can be fixed to the side wall of the mold cavity.

[0007] Furthermore, the notch is an arc-shaped notch.

[0008] The second aspect of the present invention protects the mold of the aforementioned fixing block, including a groove plate assembly, wherein the groove plate assembly is provided with a plurality of fixing block slots, and the groove plate assembly is formed by two groove units detachably connected together. When the two groove units are separated, each fixing block slot is also separated into two parts.

[0009] Furthermore, one side of the grooved plate assembly is connected to the first strip plate, and the other side of the grooved plate assembly is connected to the end plate or the second strip plate.

[0010] The first strip plate has several outwardly protruding parts on both sides, which can be inserted into the fixing groove, so that the fixing block made in the fixing groove has a notch.

[0011] Both the end plate and the second strip plate are cuboids.

[0012] Furthermore, the grooved plate assembly includes two strip-shaped grooved plates, which are arranged side by side and are detachably connected.

[0013] The grooved plate has several rectangular blocks arranged along the axial direction, and a groove is formed between adjacent rectangular blocks. Two grooves are combined to form the fixing block groove.

[0014] Furthermore, the two grooved plates are respectively provided with insertion holes and insertion pins on their opposite surfaces.

[0015] Furthermore, the protrusion is an arc-shaped protrusion.

[0016] Beneficial effects:

[0017] This invention utilizes a rectangular fixing block body to securely engage with a strip-shaped groove, paving the way for subsequent fixing of the core column. A notch is incorporated to hold the end of the core column in place, preventing movement and ensuring effective fixation. By placing the end of the core column into the strip-shaped groove, with the notch securing it, and fixing the fixing block body within the groove, the core column is effectively secured, preventing movement and ensuring accurate positioning within the magnetic casting. This facilitates precise drilling of through holes later.

[0018] This invention sets the main body of the fixing block to be made of coated sand. When pouring molten metal, the molten metal first touches the core column and solidifies, and then touches the fixing block. The temperature of the molten metal is high, and when it touches the fixed block made of coated sand, the fixing block directly collapses without any treatment, reducing the risk of damaging the magnetic steel casting when separating the fixing block from the magnetic steel casting.

[0019] The coated sand surface has resin, and after heating to make the fixing blocks, some of the fixing blocks are not easy to remove from the fixing groove. The present invention sets up a detachable groove unit, so that the fixing block groove can be removed. After the fixing block is made, the groove unit can be removed, which makes the fixing block easy to remove, with high removal efficiency, and the fixing block will not be damaged during removal. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0021] in:

[0022] Figure 1This is a schematic diagram of the structure of the fixing block in one embodiment of the present invention;

[0023] Figure 2 This is a schematic diagram of the mold for fixing the block in one embodiment of the present invention;

[0024] Figure 3 for Figure 2 Exploded view of some components;

[0025] In the figure, 1 is the fixing block; 11 is the main body of the fixing block; 12 is the notch; 2 is the mold; 21 is the end plate; 22 is the groove plate; 221 is the groove; 222 is the insertion hole; 223 is the insertion pin; 23 is the first strip plate; 231 is the protrusion; and 24 is the second strip plate. Detailed Implementation

[0026] The technical solutions of the present invention will be clearly and completely described below with reference to the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present invention.

[0027] refer to Figures 1-3 The first aspect of the present invention protects a fixing block for a magnetic steel casting, including a rectangular fixing block body 11, the fixing block body 11 being made of coated sand material, and a notch 12 being provided at one end of the fixing block body 11.

[0028] The notch 12 can hold the end of the core column, and the fixing block body 11 can be fixed on the side wall of the mold cavity.

[0029] This invention utilizes a rectangular fixing block body 11, which securely engages with the strip-shaped groove within the mold cavity, paving the way for subsequent core post fixing. A notch 12 is incorporated to hold the end of the core post in place, preventing movement and ensuring effective fixation. With the end of the core post inserted into the strip-shaped groove and the notch 12 securing it, the fixing block body 11 is firmly anchored within the groove, effectively fixing the core post, preventing movement, and ensuring accurate positioning of the core post within the magnetic steel casting. This facilitates precise drilling of through holes later.

[0030] If the fixing block 1 is made of metal, it will be cast together with the magnetic steel casting during pouring. Separating the fixing block 1 later can easily damage the magnetic steel casting. To overcome this problem, this invention uses a coated sand material for the fixing block body 11. When pouring molten metal, the molten metal first touches the core column and solidifies, then touches the fixing block 1. The high temperature of the molten metal causes the fixing block 1 to disintegrate upon contact with the coated sand material, eliminating the need for further processing and reducing the risk of damaging the magnetic steel casting when separating it from the magnetic steel casting.

[0031] In one specific embodiment, the notch 12 is an arc-shaped notch. The arc-shaped notch fits into the end of the core post, which can more firmly fix the core post.

[0032] The second aspect of the present invention protects a mold for fixing blocks. The mold 2 includes a groove plate assembly with several fixing block slots. The groove plate assembly is formed by two groove units that are detachably connected. When the two groove units are separated, each fixing block slot is also separated into two parts.

[0033] The coated sand surface has resin, and after heating to make the fixing block 1, some fixing blocks 1 are not easy to remove from the fixing groove. The present invention sets a detachable groove unit, so that the fixing block groove can be removed. After the fixing block 1 is made, the groove unit can be removed, so that the fixing block can be easily removed, the removal efficiency is high, and the fixing block 1 will not be damaged during removal.

[0034] In one specific embodiment, one side of the grooved plate assembly is connected to the first strip plate 23, and the other side of the grooved plate assembly is connected to the end plate 21 or the second strip plate 24.

[0035] The first strip plate 23 has several outwardly protruding protrusions 231 on both sides. The protrusions 231 can be inserted into the fixing groove, so that the fixing block 1 made in the fixing groove has a notch. The bottom of the first strip plate 23 has a bearing block, which is connected to the groove unit. The first strip plate 23 and the bearing block are connected by screws. The end plate 21 and the second strip plate 24 are both cuboids.

[0036] In one specific embodiment, the grooved plate assembly includes two strip-shaped grooved plates 22, which are arranged side by side and are detachably connected.

[0037] Several rectangular blocks are provided on the groove plate 22 along the axial direction, and grooves 221 are formed between adjacent rectangular blocks. Two grooves 221 are combined to form a fixed block groove.

[0038] The groove 221 has no sidewalls on either side, only sidewalls in the direction of the rectangular block. Therefore, the groove 221 needs sidewalls on both sides to... Figure 2Taking the first grooved plate group starting from the left as an example, the left side of the left grooved plate 22 in the first grooved plate group contacts the end plate 21, and the side of the end plate 21 can serve as the side wall of the left grooved plate 22; similarly, the right side of the right grooved plate 22 in the first grooved plate group contacts the protrusion 231 of the first strip plate 23, and the protrusion 231 can serve as the side wall of the right grooved plate 22. The side wall and the groove 221 cooperate to produce a fixing block.

[0039] In one specific embodiment, the two grooved plates 22 are respectively provided with insertion holes 222 and insertion pins 223 on their opposite surfaces. The insertion holes 222 and insertion pins 223 enable the grooved plates 22 to be detachably connected, facilitating the removal of the fixing block 1.

[0040] In one specific embodiment, the protrusion 231 is an arc-shaped protrusion. The arc-shaped protrusion can be correspondingly fabricated to form an arc-shaped notch.

[0041] The above description discloses only preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. Therefore, equivalent variations made in accordance with the claims of the present invention are still within the scope of the present invention.

Claims

1. A fixing block for a magnetic steel casting, characterized in that, It includes a rectangular block body (11), the material of the block body (11) is coated sand, and one end of the block body (11) is provided with a notch (12); the notch (12) can hold the end of the core column, and the block body (11) can be fixed on the side wall of the mold cavity; the notch (12) is an arc-shaped notch.

2. A mold for a fixing block for a magnetic steel casting as described in claim 1, characterized in that, The system includes a grooved plate assembly, which has several fixing block slots. The grooved plate assembly is formed by two grooved units that are detachably connected. When the two grooved units are separated, each fixing block slot is also split into two parts. One side of the grooved plate assembly is connected to a first strip plate (23), and the other side of the grooved plate assembly is connected to an end plate (21) or a second strip plate (24). The first strip plate (23) has several outwardly protruding protrusions (231) on both sides. The protrusions (231) can be inserted into the fixing block slots, so that the fixing block slots can be used to create a fixed block slot. The fixing block (1) has a notch; the end plate (21) and the second strip plate (24) are both cuboids; the groove plate group includes two strip-shaped groove plates (22), the two groove plates (22) are arranged side by side, and the two groove plates (22) are detachably connected; several rectangular blocks are provided on the groove plate (22) along the axial direction, and grooves (221) are formed between adjacent rectangular blocks, and two grooves (221) are combined to form the fixing block groove; the two groove plates (22) are respectively provided with insertion holes (222) and insertion pins (223) on their opposite surfaces.

3. The mold for the fixing block of the magnetic steel casting according to claim 2, characterized in that, The protrusion (231) is an arc-shaped protrusion.

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