Multi-layer female and male die stacked type anti-deformation die for neodymium-iron-boron magnet

Abstract

The utility model relates to the technical field of neodymium-iron-boron magnet production, in particular to a multi-layer female and male die stacked type anti-deformation die for a neodymium-iron-boron magnet, which comprises a base and an air cylinder, the air cylinder is mounted at the upper end of the base, the lower end of the base is abutted against a fixing block, a fixing hole is formed in the inner wall of the fixing block, and the fixing hole is communicated with the air cylinder. The upper end of the base is fixedly connected with a round rod, and the end of the round rod is connected with a protection mechanism. The upper ends of a plurality of same female dies are fixed to the protective cylinder in a threaded mode, so that the female dies form a multi-layer die stack, a fixed number of neodymium iron boron powder is poured into the protective cylinder, and the first demolding plate is pressed downwards from the upper end to drive the female dies on the connecting columns to enter the protective cylinder to be compressed; the neodymium-iron-boron powder is compressed to form the neodymium-iron-boron magnets, so that the number of the neodymium-iron-boron magnets in one-time production can be controlled, and the efficiency of one-time production is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to neodymium iron boron magnet production field technical field, concretely to a kind of multilayer male and female die superimposed type anti-deformation mould for neodymium iron boron magnet. BACKGROUND

[0002] The mold for forming the split type neodymium iron boron generally includes an upper mold and a lower mold with a forming cavity. The size of the upper mold matches the size of the forming cavity, so that the upper mold can move downward into the forming cavity of the lower mold, and the neodymium iron boron powder in the forming cavity is extruded to press the neodymium iron boron magnet into a certain shape.

[0003] For example, a neodymium iron boron magnet forming mold with the authorization announcement number "CN203437642U", although it solves the problem that the neodymium iron boron magnet formed by the existing neodymium iron boron magnet forming mold needs to be cleaned separately after extrusion, increasing the cleaning intensity, the above-mentioned mold plate is arranged at the second end of the lower mold, and the mold plate is connected with the air cylinder through the demolding rod. After the upper mold leaves the lower mold, the air cylinder automatically pushes the mold plate to move into the forming cavity, so that the formed neodymium iron boron magnet in the forming cavity of the lower mold is pushed out of the forming cavity by the mold plate. Considering the existing neodymium iron boron magnet forming mold, the number of layers of the mold during work is single, the number of neodymium iron boron magnets in one-time production is fixed, resulting in low production efficiency. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the problem that the number of layers of the mold during work is single, the number of neodymium iron boron magnets in one-time production is fixed, resulting in low production efficiency, and provides a multilayer male and female die superimposed type anti-deformation mould for neodymium iron boron magnet.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a multilayer male and female die superimposed type anti-deformation mould for neodymium iron boron magnet, including base and air cylinder, the upper end of the base is installed with air cylinder, the lower end of the base is tightly abutted with fixed block, the inner wall of the fixed block is processed with fixed hole, the upper end of the base is threadedly connected with round rod, the end of the round rod is connected with protection mechanism.

[0006] Preferably, the protection mechanism includes a protection cylinder, the inner wall of the protection cylinder is threadedly connected with the round rod, the surface of the protection cylinder is processed with an opening, and the outer wall of the protection cylinder is fixedly connected with a supporting ring.

[0007] Preferably, the lower end inner wall of the protection cylinder is threadedly connected with the female mold, the inner wall of the female mold is movably connected with the male mold, and the outer wall of the male mold is connected with an external connection mechanism.

[0008] Preferably, the external connecting mechanism comprises a connecting disc, the connecting disc is fixedly connected with the male mold through bolts, the upper end of the connecting disc is fixedly connected with a connecting column, and the end of the connecting column is threadedly connected with a demolding plate.

[0009] Preferably, the output end of the air cylinder is threadedly connected with a second demolding plate, and the outer wall of the second demolding plate is movably connected with the female mold.

[0010] Preferably, the upper end of the female mold is provided with a sensor.

[0011] The neodymium-iron-boron magnet multi-layer female-male mold superimposed anti-deformation mold has the beneficial effects that: the upper ends of the same plurality of female molds are threadedly fixed to the protective cylinder, the female molds form a multi-layer mold stack, a fixed amount of neodymium-iron-boron powder is poured into the protective cylinder, the female molds on the connecting column are driven into the protective cylinder to be compressed by lowering the first demolding plate from the upper end, the neodymium-iron-boron powder is compressed to form a neodymium-iron-boron magnet, the number of neodymium-iron-boron magnets in one-time production can be controlled, and the efficiency of one-time production quantity is improved. BRIEF DESCRIPTION OF DRAWINGS

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

[0013] Figure 2 It is Figure 1 It is a front view sectional structure schematic view;

[0014] Figure 3 It is Figure 1 It is a top view sectional structure schematic view;

[0015] Figure 4 It is Figure 2 It is an enlarged structure schematic view of A in the middle;

[0016] Figure 5 It is Figure 2 It is an enlarged structure schematic view of B in the middle;

[0017] Figure 6 It is Figure 1 It is an enlarged structure schematic view of the external connecting mechanism.

[0018] In the drawing: 1, base, 2, air cylinder, 3, fixed block, 4, fixed hole, 5, round rod, 6, protection mechanism, 601, protective cylinder, 602, opening, 603, supporting ring, 7, female mold, 8, male mold, 9, external connecting mechanism, 901, connecting disc, 902, connecting column, 903, first demolding plate, 10, second demolding plate, 11, sensor. DETAILED DESCRIPTION

[0019] The utility model will be further described in connection with the drawings:

[0020] Embodiment 1

[0021] Please refer to Figures 1-6 : In this embodiment, a multilayer male and female mold superimposed deformation prevention mold for neodymium iron boron magnet includes a base 1 and a cylinder 2. The model of the cylinder 2 meets the work requirements. The upper end of the base 1 is provided with the cylinder 2. The lower end of the base 1 is in close contact with a fixed block 3. The inner wall of the fixed block 3 is provided with a fixed hole 4. The upper end of the base 1 is threadedly connected with a round rod 5. The end of the round rod 5 is connected with a protection mechanism 6.

[0022] The protection mechanism 6 includes a protection cylinder 601. The protection cylinder 601 is connected with the female mold 7 through the inside of the protection cylinder 601. The protection cylinder 601 limits and protects the movable position of the female mold 7. The inner wall of the protection cylinder 601 is threadedly connected with the round rod 5. The surface of the protection cylinder 601 is provided with an opening 602. The outer wall of the protection cylinder 601 is fixedly connected with a supporting ring 603.

[0023] The lower end inner wall of the protection cylinder 601 is threadedly connected with the female mold 7. The inner wall of the female mold 7 is movably connected with a male mold 8. The outer wall of the male mold 8 is connected with an external connection mechanism 9. The external connection mechanism 9 includes a connecting disc 901. The connecting disc 901 is fixedly connected with the male mold 8 through bolts. The upper end of the connecting disc 901 is fixedly connected with a connecting column 902. The end of the connecting column 902 is threadedly connected with a first demolding plate 903.

[0024] The upper ends of the same plurality of female molds 7 are threadedly fixed to the protection cylinder 601. The female molds 7 form a multilayer mold stack. The fixed number of neodymium iron boron powder is poured into the protection cylinder 601. The first demolding plate 903 is pressed down from the upper end to drive the female mold 7 on the connecting column 902 into the protection cylinder 601 for compression. The neodymium iron boron powder is compressed to form a neodymium iron boron magnet. The number of neodymium iron boron magnets in one production can be controlled. The efficiency of one production quantity is improved.

[0025] The output end of the cylinder 2 is threadedly connected with a second demolding plate 10. The outer wall of the second demolding plate 10 is movably connected with the female mold 7. The upper end of the female mold 7 is provided with a sensor 11. The model of the sensor 11 is a WENGLOR U1KT001 distance measuring sensor. The sensor 11 mainly plays a role in distance control of the multilayer male mold 8.

[0026] Working principle

[0027] Preparation stage

[0028] The base 1 is placed on the fixing block 3 by fixing the position of the fixing block 3 through the fixing hole 4 on the fixing block 3, the position of the base 1 is stable, the both ends of the round rod 5 are screwed to the placing cylinder 601 and the base 1, and the upper end of the female mold 7 is screwed to the protection cylinder 601, at this time, a fixed amount of Nd-Fe-B powder is poured into the protection cylinder 601, the male mold is placed into the upper end of the protection cylinder 601, the same female mold 7 is screwed into the upper end of the protection cylinder 601, and the same male mold 8 is placed into the protection cylinder 601, so that the whole forms a multi-layer mold stack mold.

[0029] Working stage

[0030] The first stripper plate 903 is pressed from the upper end to drive the female mold 7 on the connecting column 902 into the protection cylinder 601 for compression, the sensor 11 on the female mold 7 limits the distance of the pressing to control the working state of the upper end, after the Nd-Fe-B powder is compressed to form a fixed Nd-Fe-B magnet, the pressing of the upper end is stopped, and in order to form sufficient supporting force for pressing, the supporting ring 603 outside the protection cylinder 601 can be placed on other objects, so that the supporting ring 603 provides upward supporting and reinforcing effect for the protection cylinder 601 and the female mold 7, and effectively prevents the female mold 7 inside the protection cylinder 601 from being squeezed and stressed in the working process, avoiding deformation of the mold 7.

[0031] Demolding stage

[0032] The cylinder 2 is opened for work, the cylinder 2 drives the second stripper plate 10 to move upwards, the second stripper plate 10 drives the Nd-Fe-B magnet squeezed inside the female mold 7 to move out from the inside, the connecting disc 901, the connecting column 902 and the first stripper plate 903 on the upper end of the male mold 8 move upwards, so that the first stripper plate 903 can push the Nd-Fe-B magnet inside the uppermost protection cylinder 601 to demold, realizing the effect of multi-layer demolding work.

[0033] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A multi-layered anti-deformation mold for neodymium iron boron magnets, comprising a base (1) and a cylinder (2), wherein the cylinder (2) is mounted on the upper end of the base (1), characterized in that: The lower end of the base (1) abuts against the fixing block (3), the inner wall of the fixing block (3) is machined with fixing holes (4), the upper end of the base (1) is threadedly connected to the round rod (5), and the end of the round rod (5) is connected to a protective mechanism (6).

2. The multi-layered male and female mold stacked anti-deformation mold for neodymium iron boron magnets according to claim 1, characterized in that: The protective mechanism (6) includes a protective cylinder (601), the inner wall of which is threadedly connected to a round rod (5), the surface of which is machined with an opening (602), and the outer wall of which is fixedly connected to a support ring (603).

3. The multi-layered male and female mold stacked anti-deformation mold for neodymium iron boron magnets according to claim 2, characterized in that: The lower inner wall of the protective cylinder (601) is threadedly connected to the female mold (7), the inner wall of the female mold (7) is movably connected to the male mold (8), and the outer wall of the male mold (8) is connected to an external mechanism (9).

4. The multi-layered male and female mold stacked anti-deformation mold for neodymium iron boron magnets according to claim 3, characterized in that: The external mechanism (9) includes a connecting plate (901), which is fixedly connected to the male mold (8) by bolts. The upper end of the connecting plate (901) is fixedly connected to the connecting column (902), and the end of the connecting column (902) is threadedly connected to the first demolding template (903).

5. The multi-layered male and female mold stacked anti-deformation mold for neodymium iron boron magnets according to claim 1, characterized in that: The output end of the cylinder (2) is threadedly connected to the second stripping template (10), and the outer wall of the second stripping template (10) is movably connected to the female mold (7).

6. The multi-layered male and female mold stacked anti-deformation mold for neodymium iron boron magnets according to claim 3, characterized in that: A sensor (11) is installed on the upper end of the female mold (7).

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