Metal wire processing device

By designing a wire treatment device including a containment box and straightening assembly, the oxide layer is removed by energizing and heating with the fastening unit, the straightness and oxide layer removal problem of the wire when preparing the electron-emitting needle tip is solved, and operation is simplified and re-oxidation is prevented.

CN223129206UActive Publication Date: 2025-07-22THE GBA NAT INST FOR NANOTECHNOLOGY INNOVATION
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Patent Information

Application Number
CN202422364414.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-27
Publication Date
2025-07-22
Estimated Expiration
2034-09-27

AI Technical Summary

Technical Problem

In the prior art, metal wires need to be manually polished and straightened when preparing the electron-emitting needle tip, and the surface oxide layer is difficult to effectively remove, resulting in cumbersome operation.

Method used

A wire treatment device is designed, including a container box and a straightening assembly, fixing both ends of the wire through two fastening units, and heating through the conductive part to avoid regeneration of the oxide layer using an inert gas environment.

Benefits of technology

The linearity of the wire and the effective removal of the oxide layer are achieved, the operation process is simplified, and the re-oxidation of the wire during cooling is avoided.

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Abstract

The utility model relates to the technical field of metal wire processing, and discloses a metal wire processing device which comprises a containing box and a straightening assembly. The two ends of the metal wire are fixed through the fastening spaces of the two fastening units respectively, the metal wire is straightened by rotating one of the fastening units, and the metal wire is electrified and heated by electrifying the conductive parts of the fastening units, so that an oxide layer on the surface of the metal wire is removed; in this way, the straightness of the metal wire and the removal of a surface oxide layer can be guaranteed, and due to the fact that the containing cavity is filled with inert gas, the situation that the oxide layer appears on the surface of the metal wire again in the cooling process after the metal wire is electrified and heated can be avoided.
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Description

Technical Field

[0001] The utility model relates to the technical field of wire processing, in particular to a wire processing device. Background Art

[0002] At present, when preparing the electron gun of an electron microscope, a metal wire with high straightness is required for the electron emission tip. The material of the metal wire is selected from one or more of tungsten, iron, cobalt, nickel, and titanium. The purchased raw material metal wire is usually bundled in a circular shape. Moreover, due to the material problem of the metal wire, there is also an oxide layer on the outer surface of the raw material metal wire. Therefore, before preparing the electron emission tip, the metal wire needs to be manually polished and then straightened before it can be used, which is very troublesome. Summary of the Utility Model

[0003] The purpose of the utility model is to provide a wire processing device, which can not only ensure the straightness of the wire but also remove the oxide layer of the wire.

[0004] To achieve the above purpose, the utility model provides a wire processing device, including: a containing box and a straightening component; the containing box has a containing cavity for containing inert gas; the straightening component is arranged in the containing cavity, and the straightening component includes two corresponding fastening units. The fastening unit is rotatably connected to the containing box. The fastening unit has a fastening space for fixing the end of the wire, and the fastening unit also has a conductive part for energizing the wire fixed in the fastening space.

[0005] Optionally, the straightening component includes an upper pressing block, a lower pressing block, and a first fastener. The lower pressing block is rotatably connected to the bottom of the containing box. The top surface of the lower pressing block has a first mounting hole, and the lower pressing block is a conductor, that is, the lower pressing block is the conductive part. The top surface of the upper pressing block has a second mounting hole that penetrates the upper pressing block. The first fastener passes through the second mounting hole to the first mounting hole to fix the upper pressing block to the lower pressing block. The space between the upper pressing block and the lower pressing block is the fastening space.

[0006] Optionally, the bottom surface of the upper pressing block has a mounting groove, and the second mounting hole is communicated with the mounting groove. The upper pressing block is sleeved on the top of the lower pressing block through the mounting groove.

[0007] Optionally, the outer peripheral side surface of the lower pressing block has a convex edge, and the bottom surface of the upper pressing block abuts against the top surface of the convex edge.

[0008] Optionally, the outer peripheral side surface of the lower pressing block also has an observation hole, and the observation hole is communicated with the first mounting hole.

[0009] Optionally, a rotation hole is provided on the bottom surface of the pressing block, and a rotating shaft adapted to the rotation hole is provided on the top surface of the accommodating cavity. The pressing block is rotatably connected to the rotating shaft through the rotation hole.

[0010] Optionally, it further includes a power source and an energizing component. The power source is arranged in the accommodating box, and the energizing component is arranged in the accommodating cavity and includes two energizing units and two connecting wires. One of the energizing units is electrically connected to the positive electrode of the power source, and the other energizing unit and the negative electrode of the power source are electrically connected. The two energizing units are respectively detachably connected to the conductive parts of the two fastening units through the two connecting wires.

[0011] Optionally, the energizing unit includes a conductive column and a base. The base is arranged on the bottom surface of the accommodating cavity. The top surface of the base has a first connection hole, and the side surface of the base has a second connection hole. The first connection hole and the second connection hole are communicated. One end of the connecting wire extends into the second connection hole, and the conductive column is inserted into the first connection hole to fix one end of the connecting wire.

[0012] Optionally, it includes a plurality of the straightening components, and the plurality of straightening components are arranged at intervals in the accommodating box.

[0013] Optionally, it further includes a gas transmission component. The gas transmission component is arranged on the outer peripheral side surface of the accommodating box and is used for inputting the inert gas into the accommodating cavity.

[0014] Compared with the prior art, the beneficial effect of the wire processing device according to the embodiment of the present invention is that: in this application, the two ends of the wire are respectively fixed through the fastening spaces of the two fastening units, and by rotating one of the fastening units, the wire is straightened. Then, by energizing the conductive parts of the fastening units, the wire is energized and heated, so as to remove the oxide layer on the surface of the wire. In this way, the straightness of the wire and the surface oxide layer can be ensured to be removed. And because the accommodating cavity of this application is filled with inert gas, it can avoid the surface of the wire from being oxidized again during the cooling process after the wire is energized and heated. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a schematic structural diagram of the wire processing device according to the embodiment of the present invention;

[0016] Figure 2 is a schematic internal structure diagram of the wire processing device according to the embodiment of the present invention;

[0017] Figure 3 is a top view of the internal structure of the wire processing device according to the embodiment of the present invention;

[0018] Figure 4 is a schematic structural view of the upper pressing block in the embodiment of the present utility model;

[0019] Figure 5 is of the embodiment of the present utility model Figure 5 a cross-sectional view in the A-A direction;

[0020] Figure 6 is a schematic structural view of the lower pressing block in the embodiment of the present utility model;

[0021] Figure 7 is of the embodiment of the present utility model Figure 6 a cross-sectional view in the B-B direction;

[0022] Figure 8 is a schematic view of the metal wire before being processed in the embodiment of the present utility model;

[0023] Figure 9 is a schematic view of the metal wire after being processed in the embodiment of the present utility model.

[0024] In the figure, 1 is a containing box; 11 is an observation window; 12 is a handle; 2 is a straightening assembly; 21 is a fastening unit; 211 is an upper pressing block; 2111 is a second mounting hole; 2112 is a mounting groove; 212 is a lower pressing block; 2121 is a first mounting hole; 2122 is a convex edge; 2123 is an observation hole; 2124 is a first communication hole; 2125 is a second communication hole; 2126 is a rotation hole; 213 is a first fastener; 214 is a second fastener; 3 is a power source; 4 is an energizing assembly; 41 is an energizing unit; 411 is a conductive column; 412 is a base; 5 is an air delivery assembly. Detailed implementation manners

[0025] The following combines the drawings and embodiments to further describe in detail the specific implementation manners of the present utility model. The following embodiments are used to illustrate the present utility model, but do not limit the scope of the present utility model.

[0026] In the description of the present utility model, it should be understood that the orientation or positional relationships indicated by the terms "top", "bottom", "inside", "outside", etc. are based on the orientation or positional relationships shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model.

[0027] In addition, the terms "first" and "second" are only used for descriptive purposes and should not be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present utility model, the meaning of "a plurality of" is two or more, unless otherwise specifically defined.

[0028] As Figure 1 and Figure 2 shown, a wire processing device according to an embodiment of the present utility model includes a housing 1 and a straightening assembly 2; the housing 1 has a receiving cavity for receiving an inert gas; the straightening assembly 2 is disposed in the receiving cavity, and the straightening assembly 2 includes two corresponding fastening units 21, the fastening units 21 are rotatably connected to the housing 1, the fastening units 21 have a fastening space for fixing the ends of the wire, and the fastening units 21 further have a conductive portion for energizing the wire fixed in the fastening space.

[0029] Based on the above solution, the present application fixes the two ends of the wire respectively through the fastening spaces of the two fastening units 21, and straightens the wire by rotating one of the fastening units 21. By energizing the conductive portion of the fastening unit 21, the wire is energized and heated, so as to remove the oxide layer on the surface of the wire. In this way, the straightness of the wire and the surface oxide layer can be ensured to be removed. And since the receiving cavity of the present application is filled with an inert gas, it can prevent the surface of the wire from being oxidized again during the cooling process after the wire is energized and heated.

[0030] As Figures 2 - 7 shown, for ease of use, the straightening assembly 2 includes an upper pressing block 211, a lower pressing block 212 and a first fastener 213. The lower pressing block 212 is rotatably connected to the bottom of the housing 1. The top surface of the lower pressing block 212 has a first mounting hole 2121, and the lower pressing block 212 is a conductor, that is, the lower pressing block 212 is the conductive portion. The top surface of the upper pressing block 211 has a second mounting hole 2111, and the second mounting hole 2111 penetrates through the upper pressing block 211. The first fastener 213 passes through the second mounting hole 2111 to the first mounting hole 2121 to fix the upper pressing block 211 to the lower pressing block 212. The space between the upper pressing block 211 and the lower pressing block 212 is the fastening space.

[0031] By setting the upper pressing block 211, the lower pressing block 212 and the first fastener 213, it is possible to clamp the end of the wire by screwing the first fastener 213, that is, to fix the end of the wire through the fastening space, and by rotating the lower pressing block 212, the wire between the two fastening units 21 can be straightened. Then, by energizing the lower pressing block 212, the wire can be energized and heated to remove the oxide layer on the surface of the wire.

[0032] As Figure 4 and Figure 5 shown, in order to facilitate the installation of the upper pressing block 211, the bottom surface of the upper pressing block 211 has an installation groove 2112, the second installation hole 2111 is communicated with the installation groove 2112, and the upper pressing block 211 is sleeved on the top of the lower pressing block 212 through the installation groove 2112.

[0033] As Figure 6 shown, in order to facilitate the installation of the upper pressing block 211, the outer peripheral side surface of the lower pressing block 212 has a convex edge 2122, and the bottom surface of the upper pressing block 211 abuts against the top surface of the convex edge 2122.

[0034] As Figure 6 and Figure 7 shown, in order to facilitate the observation of the installation of the first fastener 213, the outer peripheral side surface of the lower pressing block 212 also has an observation hole 2123, and the observation hole 2123 is communicated with the first installation hole 2121.

[0035] As Figure 6 and Figure 7 shown, in order to facilitate use, the bottom surface of the lower pressing block 212 is provided with a rotation hole 2126, the top surface of the accommodating cavity has a rotating shaft adapted to the rotation hole 2126, and the lower pressing block 212 is rotatably connected to the rotating shaft through the rotation hole 2126.

[0036] As Figure 2 and Figure 3 shown, in order to facilitate use, it further includes a power supply 3 and an energizing component 4. The power supply 3 is arranged in the accommodating box 1, and the energizing component 4 is arranged in the accommodating cavity, including two energizing units 41 and two connecting wires. One of the energizing units 41 is electrically connected to the positive electrode of the power supply 3, and the other energizing unit 41 and the negative electrode of the power supply 3 are electrically connected. The two energizing units 41 are respectively detachably connected to the conductive parts of the two fastening units 21 through the two connecting wires.

[0037] As Figure 2 and Figure 3As shown, for the convenience of use, the energizing unit 41 includes a conductive post 411 and a base 412. The base 412 is disposed on the bottom surface of the accommodating cavity. The top surface of the base 412 has a first connection hole, and the side surface of the base 412 has a second connection hole. The first connection hole and the second connection hole are communicated with each other. One end of the connection wire extends into the second connection hole, and the conductive post 411 is inserted into the first connection hole to fix one end of the connection wire.

[0038] As Figure 2 and Figure 3 shown, in some embodiments, a plurality of the connection wires are included. The energizing unit 41 includes a plurality of conductive posts 411. The base 412 has a plurality of first connection holes and a plurality of second connection holes. The plurality of conductive posts 411 are respectively disposed in the plurality of first connection holes, and the plurality of connection wires are respectively disposed in the plurality of second connection holes. The energizing unit 41 further includes a bus bar, and the base 412 is a conductor. The base 412 is electrically connected to the power supply 3 through the bus bar, and the conductive post 411 is electrically connected to the base 412.

[0039] As Figure 2 and Figure 3 shown, in order to improve the straightening efficiency, a plurality of the straightening assemblies 2 are included, and the plurality of straightening assemblies 2 are spaced apart and disposed in the accommodating box 1. By providing the plurality of straightening assemblies 2, a plurality of metal wires can be straightened simultaneously.

[0040] As Figure 2 、 Figure 6 and Figure 7 shown, in some embodiments, in order to facilitate the connection between the pressing block 212 and the connection wire, the fastening unit 21 further includes a second fastener 214. The outer peripheral side surface of the pressing block 212 is provided with a first communication hole 2124 and a second communication hole 2125 at intervals, and the first communication hole 2124 and the second communication hole 2125 are communicated with each other. The first communication hole 2124 is used for the other end of the connection wire to extend into, and the second fastener 214 is inserted into the second communication hole 2125 to fix the other end of the connection wire to the first communication hole 2124.

[0041] As Figure 1 shown, for the convenience of use, an air supply assembly 5 is further included. The air supply assembly 5 is disposed on the outer peripheral side surface of the accommodating box 1 and is used for inputting inert gas into the accommodating cavity.

[0042] As Figure 8 and Figure 9 shown, by comparing the pictures of the metal wire before and after processing, that is, by comparing the straightness and the surface color of the metal wire, it can be known that the present application can straighten the metal wire and at the same time remove the oxide on the surface of the metal wire.

[0043] In summary, the embodiment of the present utility model provides a wire processing device, which fixes the two ends of the wire respectively through the fastening spaces of the two fastening units 21, and straightens the wire by rotating one of the fastening units 21. By energizing the conductive part of the fastening unit 21, the wire is energized and heated, so as to remove the oxide layer on the surface of the wire. In this way, the straightness of the wire and the surface oxide layer can be ensured. And since the accommodating cavity of the present application is filled with inert gas, it can prevent the surface of the wire from forming an oxide layer again during the cooling process after the wire is energized and heated.

[0044] The above are only the preferred embodiments of the present utility model. It should be noted that for those of ordinary skill in the art, without departing from the technical principle of the present utility model, several improvements and replacements can be made, and these improvements and replacements should also be regarded as the protection scope of the present utility model.

Claims

1. A wire processing device, characterized in that, Comprising: A containing box and a straightening component; The containing box has a containing cavity for containing inert gas; The straightening component is arranged in the containing cavity. The straightening component includes two correspondingly arranged fastening units. The fastening units are rotatably connected to the containing box. The fastening units have a fastening space for fixing the ends of the metal wires. The fastening units also have a conductive part for being energized so that the metal wires fixed in the fastening space are energized.

2. The wire processing device according to claim 1, wherein The straightening component includes an upper pressing block, a lower pressing block and a first fastener. The lower pressing block is rotatably connected to the bottom of the containing box. The top surface of the lower pressing block has a first mounting hole, and the lower pressing block is a conductor, that is, the lower pressing block is the conductive part. The top surface of the upper pressing block has a second mounting hole which penetrates through the upper pressing block. The first fastener passes through the second mounting hole to the first mounting hole to fix the upper pressing block to the lower pressing block. The space between the upper pressing block and the lower pressing block is the fastening space.

3. The wire processing device according to claim 2, wherein, The bottom surface of the upper pressing block has a mounting groove. The second mounting hole is communicated with the mounting groove. The upper pressing block is sleeved on the top of the lower pressing block through the mounting groove.

4. The wire processing device according to claim 3, characterized in that, The outer peripheral side surface of the lower pressing block has a convex edge. The bottom surface of the upper pressing block abuts against the top surface of the convex edge.

5. The wire processing device according to claim 3, characterized in that, The outer peripheral side surface of the lower pressing block also has an observation hole which is communicated with the first mounting hole.

6. The wire processing device according to claim 3, characterized in that, The bottom surface of the lower pressing block is provided with a rotating hole. The top surface of the containing cavity has a rotating shaft adapted to the rotating hole. The lower pressing block is rotatably connected to the rotating shaft through the rotating hole.

7. The wire processing device according to claim 1, characterized in that, It further includes a power source and an energizing component. The power source is arranged in the containing box. The energizing component is arranged in the containing cavity and includes two energizing units and two connecting wires. One of the energizing units is electrically connected to the positive electrode of the power source, and the other energizing unit is electrically connected to the negative electrode of the power source. The two energizing units are respectively detachably connected to the conductive parts of the two fastening units through the two connecting wires.

8. The wire processing device according to claim 7, characterized in that, The energizing unit includes a conductive column and a base. The base is arranged on the bottom surface of the containing cavity. The top surface of the base has a first connection hole, and the side surface of the base has a second connection hole which is communicated with the first connection hole. One end of the connecting wire extends into the second connection hole, and the conductive column is inserted into the first connection hole to fix one end of the connecting wire.

9. The wire processing device according to claim 1, characterized in that, It includes a plurality of the straightening components, and the plurality of the straightening components are arranged at intervals in the containing box.

10. The wire processing device according to claim 1, characterized in that, It further includes a gas transmission component which is arranged on the outer peripheral side surface of the containing box for inputting the inert gas into the containing cavity.