CN209859908U - Electron beam material increase equipment convenient to change filament - Google Patents
Electron beam material increase equipment convenient to change filament Download PDFInfo
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- CN209859908U CN209859908U CN201920750757.0U CN201920750757U CN209859908U CN 209859908 U CN209859908 U CN 209859908U CN 201920750757 U CN201920750757 U CN 201920750757U CN 209859908 U CN209859908 U CN 209859908U
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- filament
- electron beam
- roating seat
- point contact
- contact power
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Abstract
The utility model relates to an electron beam vibration material disk equipment convenient to change filament, including real empty room, install at the high tension cable at real empty room top, with the point contact power joint of high tension cable connection, be located the negative pole of point contact power joint below, it bears the device to be equipped with rotatable filament between point contact power joint and the negative pole, rotatable filament bears the device and includes the roating seat, the rotation axis of being connected with the roating seat bottom surface, the filament mount pad of being connected with the bottom of rotation axis, the roating seat is circular, the roating seat pin joint in real empty room's top, the filament mount pad is circular, the edge of filament mount pad is equipped with a plurality of filament mounting holes that wait angular distribution, every all be equipped with the filament in the filament mount hole. The utility model discloses can change the filament rapidly under not destroying vacuum environment, raise the efficiency greatly, reduce the defect.
Description
Technical Field
The utility model relates to a 3D prints the field, especially relates to electron beam vibration material disk equipment convenient to change filament.
Background
After the filament of the electron gun is used for a period of time in China, the electron gun has to stop working due to the fact that the filament of the electron gun is broken, the electron gun can work only in a vacuum environment, the filament needs to be replaced, vacuum pumping is delayed, and the front and back connection positions of the printed part with uneven temperature are prone to defects due to the fact that the filament needs to be replaced for too long time. Although the service life is prolonged by reducing the current or improving the material of the filament, the time required for printing large parts by a large electron beam additive device is far from enough.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an electron beam vibration material disk equipment convenient to change filament can be under not destroying vacuum environment, changes the filament rapidly, raises the efficiency greatly, reduces the defect.
The utility model discloses a following technical scheme realizes above-mentioned purpose: the utility model provides an electron beam vibration material disk equipment convenient to change filament, includes real empty room, installs the high tension cable at real empty room top, the point contact power connector who is connected with high tension cable, is located the negative pole of point contact power connector below, it bears the device to be equipped with rotatable filament between point contact power connector and the negative pole, rotatable filament bears the device and includes roating seat, the rotation axis of being connected with the roating seat bottom surface, the filament mount pad of being connected with the bottom of rotation axis, the roating seat is circular, the roating seat pin joint in real empty room's top, the filament mount pad is circular, the edge of filament mount pad is equipped with a plurality of filament mounting holes that distribute with equal angle, every all be equipped with the filament in the filament mounting hole.
Furthermore, a beam-bunching electrode is arranged below the cathode.
Further, an anode is arranged below the beam bunching electrode.
Furthermore, a focusing coil and a deflection coil are sequentially arranged below the anode, and an optical observation system is arranged between the anode and the focusing coil.
Furthermore, a workbench is arranged at the bottom of the vacuum chamber.
Further, the number of the filament mounting holes is six.
Compared with the prior art, the utility model discloses electron beam vibration material disk equipment convenient to change filament's beneficial effect is: the filament can be replaced rapidly without damaging the vacuum environment, the efficiency is greatly improved, and the defects are reduced.
Drawings
Fig. 1 is a schematic structural diagram of an electron beam additive manufacturing apparatus that facilitates filament replacement.
Fig. 2 is a schematic structural view of a rotatable filament carrying device.
Detailed Description
Referring to fig. 1 to 2, an electron beam additive manufacturing apparatus convenient for filament replacement includes a vacuum chamber 11, a high voltage cable 1 installed at the top of the vacuum chamber, a point contact power connector 2 connected to the high voltage cable 1, and a cathode 5 located below the point contact power connector 2, wherein a rotatable filament bearing device 3 is disposed between the point contact power connector 2 and the cathode 5, and the rotatable filament bearing device 3 is provided with a plurality of filaments 4.
The rotatable filament bearing device 3 comprises a rotary seat 31, a rotary shaft 32 connected with the bottom surface of the rotary seat 31, and a filament mounting seat 33 connected with the bottom of the rotary shaft 32, wherein the rotary seat 31 is circular, the rotary seat 31 is pivoted to the top of the vacuum chamber 11, the filament mounting seat 33 is circular, six filament mounting holes 34 distributed at equal angles are formed in the edge of the filament mounting seat 33, and a filament is arranged in each filament mounting hole 34. The filament mounting base 33 is driven to rotate by the rotation of the rotary base 31, so that the purpose of replacing the filament is achieved.
A beam focusing electrode 6 is arranged below the cathode 5, an anode 7 is arranged below the beam focusing electrode 6, a focusing coil 9 and a deflection coil 10 are sequentially arranged below the anode 7, and an optical observation system 8 is arranged between the anode 7 and the focusing coil 9. The bottom of the vacuum chamber 11 is provided with a table 12.
The utility model discloses a theory of operation does: several hundred even thousands of volts of bombardment voltage are added between the filament 4 and the cathode 5, the bombardment voltage is released through the high-voltage cable 1 and the point contact type power connector 2, under the high-voltage, electrons emitted from the filament bombard the cathode 5, the cathode is heated to a certain temperature and then emits a large amount of electrons from the surface of the cathode, the generated electrons are accelerated to a high speed under the action of a high-voltage accelerating electric field between the anode and the cathode and move towards the anode 7, the divergent electron current is converged again under the action of the beam converging electrode 6, passes through a central hole of the anode 7 and continues to move downwards, and an intensive high-speed electron current is formed through the regulation of the focusing coil 9 and the deflection coil 10, so that the electron beams accurately and intensively bombard the surface of the substrate on the worktable 12. With the continuous feeding of the wire, the wire is melted under the action of the electron beam with high energy density, and the purpose of increasing the material layer by layer is achieved by matching with the walking of a machine tool. When the filament 4 reaches the service life, the connection between the cut-off point contact type power connector 2 and the filament 4 is closed firstly, then the rotatable filament bearing device 3 is controlled to rotate to the next new filament, and then the connection with the filament is opened.
The utility model discloses can change the filament rapidly under not destroying vacuum environment, raise the efficiency greatly, reduce the defect.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. The utility model provides an electron beam vibration material disk equipment convenient to change filament which characterized in that: including real empty room, install at the high tension cable at real empty room top, the point contact power connector who is connected with high tension cable, be located the negative pole of point contact power connector below, it bears the device to be equipped with rotatable filament between point contact power connector and the negative pole, rotatable filament bears the device and includes roating seat, the rotation axis of being connected with the roating seat bottom surface, the filament mount pad of being connected with the bottom of rotation axis, the roating seat is circular, the roating seat pin joint in real empty room's top, the filament mount pad is circular, the edge of filament mount pad is equipped with the filament mounting hole that a plurality of angular distributions such as, every all be equipped with the filament in the filament mount hole.
2. The electron beam additive apparatus for facilitating filament replacement according to claim 1, wherein: and a beam-bunching electrode is arranged below the cathode.
3. The electron beam additive apparatus for facilitating filament replacement according to claim 2, wherein: and an anode is arranged below the beam bunching electrode.
4. The electron beam additive apparatus for facilitating filament replacement according to claim 3, wherein: and a focusing coil and a deflection coil are sequentially arranged below the anode, and an optical observation system is arranged between the anode and the focusing coil.
5. The electron beam additive apparatus for facilitating filament replacement according to claim 4, wherein: the bottom of the vacuum chamber is provided with a workbench.
6. The electron beam additive apparatus for facilitating filament replacement according to claim 1, wherein: the number of the filament mounting holes is six.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920750757.0U CN209859908U (en) | 2019-05-23 | 2019-05-23 | Electron beam material increase equipment convenient to change filament |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920750757.0U CN209859908U (en) | 2019-05-23 | 2019-05-23 | Electron beam material increase equipment convenient to change filament |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209859908U true CN209859908U (en) | 2019-12-27 |
Family
ID=68941603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920750757.0U Active CN209859908U (en) | 2019-05-23 | 2019-05-23 | Electron beam material increase equipment convenient to change filament |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209859908U (en) |
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2019
- 2019-05-23 CN CN201920750757.0U patent/CN209859908U/en active Active
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