CN214488841U - Electron beam selective melting atmosphere forming device - Google Patents

Abstract

The utility model discloses an electron beam selective melting atmosphere forms device belongs to electron beam selective melting technical field, comprising a main body, the inside right side top fixed mounting of main part has motor A, motor A's power take off end rotates and is connected with the threaded rod, the outside threaded connection of threaded rod has the thread bush, the outside of thread bush is rotated and is connected with the bearing housing, the one end of the below fixedly connected with connecting rod of bearing housing, the other end fixedly connected with slider of connecting rod. The utility model discloses a motor A drives the threaded rod and rotates to drive the electron beam mount pad and carry out quick horizontal angular adjustment inside the main part, drive gear A and gear B through motor B and rotate, adjust the emission angle of electron beam, improved the efficiency of processing, and can collect the processing powder that is not used, improved resource utilization, the while is thermal-insulated to the main part outside and is protected, has improved the security of device.

Description

Electron beam selective melting atmosphere forming device

Technical Field

The utility model relates to an electron beam selective melting technical field especially relates to an electron beam selective melting atmosphere forms device.

Background

The Selective Electron Beam Melting (SEBM) technology is an emerging rapid manufacturing process. The selective electron beam melting process is as follows: in a forming chamber (particularly a vacuum chamber) formed by melting in an electron beam selective area, powder is firstly evenly spread layer by layer on a forming area through a powder spreading device, the high-energy electron beam is controlled by a computer, and the powder is melted according to the cross section parameters of the part to be formed, so that the purpose of manufacturing layer by layer is correspondingly achieved, and realizes the rapid manufacture of three-dimensional parts, the prior electron beam selective melting atmosphere forming device can not rapidly and timely adjust the irradiation angle of the electron beam when in use, thus leading to the low processing efficiency, and the existing electron beam selective melting atmosphere forming device can not collect the unused powder after electron beam bombardment melting when in use, in addition, the temperature inside the main body is too high during electron beam bombardment, so that danger is easily caused, and the safety of the whole device is poor.

Patent No. CN201520182232.3 discloses an electron beam selective melting atmosphere forming apparatus, which comprises a gas charging device for charging atmosphere control gas into a forming chamber of an electron beam selective melting forming device, a vacuumizing device for vacuumizing the forming chamber, and a gas pressure detecting unit for detecting gas pressure in the forming chamber in real time, wherein the vacuumizing device is communicated with the inside of the forming chamber through a vacuumizing pipeline, the gas charging device comprises a gas storage tank, a gas conveying pipeline, and a flow control valve installed on the gas conveying pipeline, the flow control valve is an electromagnetic valve and is controlled by a controller, the gas pressure detecting unit and the flow control valve are both electrically connected with the controller, and the controller is electrically connected with a parameter input unit. The utility model has the advantages of simple structure and reasonable design, the input cost is lower and the installation is laid and is used convenient operation, excellent in use effect, can select the atmosphere in the melting shaping cavity to carry out effective control to the electron beam.

The device has the following disadvantages when in use: 1. when the device is used, the emission angle of the electron beam emitter cannot be adjusted in time, and meanwhile, the electron beam emitter is easy to loosen due to no extra reinforcement, so that the stability and the processing efficiency are low, and improvement is needed; 2. the device can't separate the temperature to the high temperature that produces when the electron beam bombardment when using and handle, produces danger easily, can't collect the unprocessed powder of electron beam simultaneously, and practicality and security are relatively poor, so still need improve.

SUMMERY OF THE UTILITY MODEL

The utility model provides an electron beam selective melting atmosphere forming device, aim at through installing motor A, the threaded rod, the thread bush, the bearing housing, the connecting rod, the slide bar, the slider, the roof, the rotation case, motor B, motor C, the connecting seat, the mount pad, the collecting box, aspirator pump and insulating layer, current electron beam selective melting atmosphere forming device can't carry out timely regulation to electron beam emitter's emission angle when using, it is difficult for electron beam emitter to take place not hard up to carry out extra reinforcement to it simultaneously, stability and machining efficiency are lower, fix electron beam emitter and connecting seat during the use at first, when electron beam emitter and connecting seat installation, the confinement ring board of connecting seat inside both sides supports electron beam emitter, a plurality of confinement springs atress that confinement ring board inboard shrink will confine ring board and electron beam generator and carry out inseparable fixed, prevent the electron beam emitter from loosening, when the position of the whole connecting seat needs to be adjusted, the motor A on the right side of the main body is electrified through an external power supply, the threaded rod on the outer side is driven to rotate when the motor A is electrified, the threaded rod on the outer side is driven to rotate when the threaded rod rotates, the threaded sleeve on the outer side is driven to rotate transversely on the outer side of the threaded rod, the bearing sleeve moves along with the threaded sleeve, the connecting rod below is driven to push the sliding block to move transversely on the outer side of the sliding rod, so that the rotating box below is driven to timely adjust the transverse distance on the left and right inside the main body, the motor B inside the rotating box is electrified through the external power supply, the gear A on the outer side is driven to rotate by the working rotation of the motor B, the gear B connected with the meshing on the outer side is driven to rotate when the gear A rotates, the connecting seat fixedly connected on the outer side is driven to rotate when the gear B rotates, thereby realizing the timely adjustment of the emission angle of the electron beam emitter in the connecting seat, thereby improving the processing efficiency, and the existing electron beam selective melting atmosphere forming device can not collect the powder which can not be used when in use, thereby causing resource waste, simultaneously, the main body is not sufficiently protected outside, and safety accidents are easy to happen, by installing the motor C, the limiting rod, the limiting groove, the mounting seat, the collecting box, the air suction pump and the heat insulation layer, in the processing process, because the processed object has different size, in order to more effectively lead the electron beam bombardment angle to bombard the processed powder, the powder can be placed above the turntable above the mounting seat, when the processed object has larger size, the motor C can be electrified by an external power supply, the electrified work of the motor C rotates to drive the turntable above to rotate at uniform speed, the turntable drives the processed material above to rotate when rotating, make things convenient for the electron beam to process, the gag lever post of carousel below follows the rotation in the inside spacing groove of mount pad simultaneously, prevent that the carousel from taking place the skew, improve the precision of processing, in the course of working, can have not been processed remaining powder, can pass through external power supply for the aspirator pump circular telegram this moment, aspirator pump circular telegram work, inside flabellum rotates, make inside atmospheric pressure of collecting box and the inside atmospheric pressure of main part change, the processing raw materials powder that will not be used is collected to inside the collecting box, effectively prevent the condition of wasting of resources from taking place, and in electron beam emission course of working, inside production high temperature, the insulating layer of inlaying the connection in the main part outside is the aerogel thermal insulation material, fabulous thermal-insulated performance has been possessed, it can not too high to have guaranteed that the outside temperature of insulating layer, the holistic security of device has been improved.

The utility model provides a specific technical scheme as follows:

the utility model provides an electron beam selective melting atmosphere forming device, which comprises a main body, wherein a motor A is fixedly arranged at the upper part of the right side in the main body, the power output end of the motor A is rotatably connected with a threaded rod, the outer side of the threaded rod is in threaded connection with a threaded sleeve, the outer side of the threaded sleeve is rotatably connected with a bearing sleeve, one end of a connecting rod is fixedly connected below the bearing sleeve, the other end of the connecting rod is fixedly connected with a slide block, a slide rod is fixedly arranged below the threaded rod, the slide block is slidably arranged at the outer side of the slide rod, a top plate is fixedly arranged below the slide rod, the connecting rod is slidably arranged in the top plate, a rotating box is fixedly arranged below the connecting rod, a motor B is fixedly arranged in the rotating box, the power output end of the motor B is rotatably connected with a gear B, the outer side of the gear B is engaged with a gear A, the outside fixedly connected with connecting seat of gear A, the outside of main part is inlayed and is connected with the insulating layer.

Optionally, two sides of the inside of the connecting seat are fixedly connected with one end of a fastening spring, the other end of the fastening spring is detachably connected with a fastening ring plate, and the number of the fastening springs is several.

Optionally, the inside bottom fixed mounting of main part has the mount pad, the inside middle section fixed mounting of mount pad has motor C, motor C's power take off end rotates and is connected with the carousel, the one end of gag lever post is installed to the left side below of carousel, the spacing groove has been seted up on the surface of mount pad, and the other end of gag lever post rotates the inside of connecting at the spacing groove.

Optionally, a collection box is fixedly installed on the left side of the motor C, and an air suction pump is fixedly installed above the left side of the collection box.

Optionally, the power input ends of the motor a, the motor B, the motor C and the getter pump are electrically connected to the power output end of the external power supply.

The utility model has the advantages as follows:

1. the utility model aims at providing a through installing motor A, the threaded rod, the thread bush, the bearing housing, the connecting rod, the slide bar, the slider, the roof, rotation case and motor B, current electron beam selective melting atmosphere forming device can't carry out timely regulation to the emission angle of electron beam emitter when using, simultaneously does not carry out extra reinforcement to it and leads to electron beam emitter to take place to become flexible easily, stability and machining efficiency are all lower, fix electron beam emitter and connecting seat at first during the use, when electron beam emitter and connecting seat are installed, the confinement ring board of the inside both sides of connecting seat supports electron beam emitter, the confinement ring board and electron beam generator carry out inseparable fixed with confinement ring board and electron beam generator to the confinement spring atress constriction of confinement ring inboard, prevent electron beam emitter from taking place to become flexible, when needing to adjust the holistic position of connecting seat afterwards, the motor A on the right side of the main body is electrified through an external power supply, the motor A drives the threaded rod on the outer side to rotate when electrified, the threaded rod drives the threaded sleeve on the outer side to transversely rotate on the outer side of the threaded rod left and right when rotating, the bearing sleeve on the outer side is driven to rotate when rotating, the bearing sleeve moves along with the threaded sleeve, and the connecting rod below is driven to push the sliding block to transversely move on the outer side of the sliding rod left and right, so that the rotating box below is driven to timely adjust the left and right transverse distance inside the main body, then the motor B inside the rotating box is electrified through the external power supply, the motor B rotates to drive the gear A on the outer side to rotate, the gear B connected with the outer side in a meshed mode is driven to rotate when rotating, the connecting seat fixedly connected with the outer side is driven to rotate when rotating, and therefore the emission angle of the electron beam emitter in the connecting seat is timely adjusted, thereby improving the efficiency of the processing.

2. The utility model aims at providing a device which is provided with a motor C, a limiting rod, a limiting groove, a mounting seat, a collecting box, a suction pump and a heat insulation layer, the prior electron beam selective melting atmosphere forming device can not collect the powder which can not be used when in use, thereby causing resource waste, simultaneously, the external protection of the main body is insufficient, and safety accidents are easy to happen, in the processing process, because the processed objects have different sizes, in order to more effectively enable the electron beam bombardment angle to bombard the processed powder, the powder can be placed above a turntable above the mounting seat, when the processed objects have larger size, the motor C can be electrified by an external power supply, the motor C is electrified to rotate to drive the turntable above to rotate at uniform speed, the turntable drives the processed materials above to rotate when rotating, thereby facilitating the processing of the electron beam, and simultaneously, the limiting rod below the turntable rotates along with the limiting groove inside the mounting seat, prevent that the carousel from taking place the skew, improve the precision of processing, in the course of working, can have not been processed remaining powder, can be through external power supply for the aspirator pump circular telegram this moment, aspirator pump circular telegram work, inside flabellum rotates, make the inside atmospheric pressure of collecting box and the inside atmospheric pressure of main part change, collect the processing raw materials powder that will not be used to inside the collecting box, effectively prevent the condition of wasting of resources from taking place, and in electron beam emission course of working, inside produces the high temperature, the insulating layer of connection is inlayed in the main part outside is aerogel thermal insulation material, fabulous thermal insulation performance has been possessed, the outside temperature of insulating layer has been ensured can not be too high, the holistic security of device has been improved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic diagram of an overall structure of an electron beam selective melting atmosphere forming apparatus according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a connecting seat of an electron beam selective melting atmosphere forming apparatus according to an embodiment of the present invention.

In the figure: 1. a main body; 2. a mounting seat; 3. a supporting seat; 4. a limiting groove; 5. a limiting rod; 6. a collection box; 7. a getter pump; 8. a thermal insulation layer; 9. a connecting seat; 10. a top plate; 11. a slide bar; 12. a turntable; 13. a slider; 14. a threaded sleeve; 15. a bearing housing; 16. a threaded rod; 17. a motor A; 18. a connecting rod; 19. a gear A; 20. a motor B; 21. a motor C; 22. a gear B; 23. a rotating box; 24. fastening the spring; 25. and (4) fixing the ring plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

An electron beam selective melting atmosphere forming apparatus according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 2.

Referring to fig. 1 and 2, an electron beam selective melting atmosphere forming device provided by an embodiment of the present invention includes a main body 1, a motor a17 is fixedly installed above the right side inside the main body 1, a power output end of the motor a17 is rotatably connected with a threaded rod 16, an outer side of the threaded rod 16 is connected with a threaded sleeve 14 through a thread, an outer side of the threaded sleeve 14 is rotatably connected with a bearing sleeve 15, one end of a connecting rod 18 is fixedly connected below the bearing sleeve 15, the other end of the connecting rod 18 is fixedly connected with a slider 13, a sliding rod 11 is fixedly installed below the threaded rod 16, the slider 13 is slidably installed outside the sliding rod 11, a top plate 10 is fixedly installed below the sliding rod 11, the connecting rod 18 is slidably installed inside the top plate 10, a rotating box 23 is fixedly installed below the connecting rod 18, a motor B20 is fixedly installed inside the rotating box 23, the power output end of the motor B20 is rotatably connected with a gear B22, the outer side of the gear B22 is engaged with a gear A19, the outer side of the gear A19 is fixedly connected with a connecting seat 9, the outer side of the main body 1 is connected with a heat insulation layer 8 in an embedding manner, when the electron beam emitter and the connecting seat 9 are used, the electron beam emitter and the connecting seat 9 are fixed, the fastening ring plates 25 on two sides inside the connecting seat 9 are abutted against the electron beam emitter, a plurality of fastening springs 24 on the inner side of the fastening ring plates 25 are compressed to tightly fix the fastening ring plates 25 and the electron beam generator, so as to prevent the electron beam emitter from loosening, and then when the whole position of the connecting seat 9 needs to be adjusted, the motor A17 of the main body 1 is electrified through an external power supply, the threaded rod 16 on the outer side is driven to rotate when the motor A17 is electrified, and the threaded rod 16 on the outer side is driven to rotate by the threaded sleeve 14 on the outer side to transversely rotate left and right outside the threaded rod 16, the threaded sleeve 14 drives the bearing sleeve 15 on the outer side to rotate when rotating, the bearing sleeve 15 moves along with the threaded sleeve 14, and the connecting rod 18 below the lower part is driven to push the sliding block 13 to transversely move left and right on the outer side of the sliding rod 11, so that the rotary box 23 below the lower part is driven to timely adjust the left and right transverse distance inside the main body 1, then the motor B20 inside the rotary box 23 is electrified through an external power supply, the motor B20 rotates to drive the gear A19 on the outer side to rotate, the gear B19 rotates to drive the gear B22 connected with the outer side in a meshed manner, the gear B22 rotates to drive the connecting seat 9 fixedly connected with the outer side to rotate, so that the emission angle of an electron beam emitter in the connecting seat 9 is timely adjusted, the processing efficiency is improved, and in the processing process, because the processed objects have different volumes, the processed powder is bombarded by the electron beam bombardment angle more effectively, the powder can be placed above the turntable 12 above the mounting seat 2, when the size of a processed article is large, the motor C21 can be electrified through an external power supply, the motor C21 is electrified to work and rotate to drive the turntable 12 above to rotate at a constant speed, the turntable 12 drives the processed material above to rotate when rotating, the processing of an electron beam is facilitated, meanwhile, the limiting rod 5 below the turntable 12 rotates along with the limiting groove 4 inside the mounting seat 2, the deviation of the turntable 12 is prevented, the processing precision is improved, during the processing process, powder which is not processed and remained can exist, at the moment, the air suction pump 7 can be electrified through the external power supply, the air suction pump 7 is electrified to work, the internal fan blades rotate, the air pressure inside the collecting box 6 and the air pressure inside the main body 1 are changed, the unused processed raw material powder is collected inside the collecting box 6, and the condition of resource waste is effectively prevented, in the electron beam emission course of working, inside produces high temperature, and the insulating layer 8 of connecting is inlayed in the main part 1 outside is aerogel thermal insulation material, has possessed fabulous heat-proof quality, has ensured that the outside temperature of insulating layer 8 can not be too high, has improved the holistic security of device.

Referring to fig. 1 and 2, two sides of the inside of the connecting seat 9 are fixedly connected with one end of a fastening spring 24, the other end of the fastening spring 24 is detachably connected with a fastening ring plate 25, and the number of the fastening springs 24 is several.

Referring to fig. 1, the inside bottom fixed mounting of main part 1 has mount pad 2, the inside middle section fixed mounting of mount pad 2 has motor C21, motor C21's power take off end rotates and is connected with carousel 12, the one end of gag lever post 5 is installed to the left side below of carousel 12, spacing groove 4 has been seted up on the surface of mount pad 2, and the other end of gag lever post 5 rotates the inside of connecting at spacing groove 4.

Referring to fig. 1, a collection box 6 is fixedly arranged on the left side of the motor C21, and a suction pump 7 is fixedly arranged above the left side of the collection box 6.

Referring to fig. 1, the power input terminals of the motor a17, the motor B20, the motor C21 and the getter pump 7 are electrically connected to the power output terminal of the external power source.

The embodiment of the utility model provides an electron beam selective melting atmosphere forming device, fix electron beam emitter and connecting seat 9 at first during the use, when electron beam emitter and connecting seat 9 were installed, the confinement ring board 25 of the inside both sides of connecting seat 9 supports electron beam emitter, the confined ring board 25 carries out inseparable fixed with electron beam generator with a plurality of confinement springs 24 atress of confinement ring board 25 inboard shrink, prevent electron beam emitter and take place not hard up, when needing to adjust the whole position of connecting seat 9 afterwards, the motor A17 circular telegram of the right side of main part 1 through the external power supply, the threaded rod 16 rotation in the outside is driven when motor A17 circular telegram, the threaded rod 16 drives the thread bush 14 in the outside and makes horizontal rotation about the threaded rod 16 when rotating, the bearing bush 15 in the outside is driven to rotate when the thread bush 14 rotates, the bearing bush 15 follows the thread bush 14 and moves, and the connecting rod 18 driving the lower part pushes the sliding block 13 to move transversely left and right on the outer side of the sliding rod 11, thereby realizing the timely adjustment of the left and right transverse distance of the rotating box 23 driving the lower part in the main body 1, then the motor B20 inside the rotating box 23 is electrified through an external power supply, the motor B20 rotates to drive the gear A19 outside, the gear B22 connected with the outer side in a meshed way is driven to rotate when the gear A19 rotates, the connecting seat 9 fixedly connected with the outer side is driven to rotate when the gear B22 rotates, thereby realizing the timely adjustment of the emission angle of the electron beam emitter in the connecting seat 9, thereby improving the processing efficiency, in the processing process, because the processed objects have different sizes, in order to more effectively enable the electron beam bombardment angle to bombard the processed powder, the powder can be placed above the turntable 12 above the mounting seat 2, when the processed object has a larger size, can pass through the external power for the circular telegram of motor C21, motor C21 circular telegram work rotates and drives top carousel 12 at the uniform velocity and rotates, carousel 12 drives the processing material rotation of top when rotating, make things convenient for the electron beam to process, gag lever post 5 of carousel 12 below follows the rotation in the inside spacing groove 4 of mount pad 2 simultaneously, prevent that carousel 12 from taking place the skew, improve the precision of processing, in the course of working, can have the powder that is not processed remaining, can pass through external power for the circular telegram of aspirator pump 7 at this moment, aspirator pump 7 circular telegram work, inside flabellum rotates, make the inside atmospheric pressure of collecting box 6 and the inside atmospheric pressure of main part 1 change, collect the processing raw materials powder that does not used inside collecting box 6, effectively prevent the condition of wasting of resources from taking place, in the electron beam emission course of working, inside produces high temperature, the insulating layer 8 of main part 1 outside inlay connection is the aerogel thermal insulation material, the heat insulation device has excellent heat insulation performance, ensures that the temperature outside the heat insulation layer 8 is not too high, and improves the safety of the whole device.

It should be noted that the utility model relates to an electron beam selective melting atmosphere forming device, which comprises a main body 1, a mounting seat 2, a supporting seat 3, a limiting groove 4, a limiting rod 5, a collecting box 6, a suction pump 7, a heat insulation layer 8, a connecting seat 9, a top plate 10, a sliding rod 11, a rotary table 12, a sliding block 13, a thread bush 14, a bearing bush 15, a threaded rod 16, a motor A17, a connecting rod 18, a gear A19, a motor B20, a motor C21, a gear B22, a rotating box 23, a locking spring 24 and a locking ring plate 25, wherein the electrical components are all prior art products, and are selected, installed and finished by technicians according to the use requirements, so as to ensure that each electrical appliance can normally work, and the components are universal standard components or components known by technicians in the field, the structure and principle of the components can be known by technical manuals or conventional experimental methods, the applicant does not make specific limitations herein.

It is apparent that those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (5)

1. The utility model provides an electron beam selective melting atmosphere forming device, includes main part (1), its characterized in that, main part (1) inside right side top fixed mounting has motor A (17), the power take off end of motor A (17) rotates and is connected with threaded rod (16), the outside threaded connection of threaded rod (16) has thread bush (14), the outside of thread bush (14) rotates and is connected with bearing housing (15), the below fixed connection of bearing housing (15) has the one end of connecting rod (18), the other end fixed connection of connecting rod (18) has slider (13), the below fixed mounting of threaded rod (16) has slide bar (11), and slider (13) slidable mounting is in the outside of slide bar (11), the below fixed mounting of slide bar (11) has roof (10), and connecting rod (18) slidable mounting is in the inside of roof (10), the below fixed mounting of connecting rod (18) has rotation case (23), the inside fixed mounting who rotates case (23) has motor B (20), the power take off end of motor B (20) rotates and is connected with gear B (22), the outside meshing of gear B (22) is connected with gear A (19), the outside fixedly connected with connecting seat (9) of gear A (19), the outside of main part (1) is inlayed and is connected with insulating layer (8).

2. The apparatus for forming a melting atmosphere in a selected electron beam region according to claim 1, wherein two sides of the inside of the connecting base (9) are fixedly connected with one end of a fastening spring (24), the other end of the fastening spring (24) is detachably connected with a fastening ring plate (25), and the number of the fastening springs (24) is several.

3. The selective electron beam melting atmosphere forming device according to claim 1, wherein a mounting seat (2) is fixedly mounted at the bottom inside the main body (1), a motor C (21) is fixedly mounted at the middle section inside the mounting seat (2), a power output end of the motor C (21) is rotatably connected with a rotary table (12), one end of a limiting rod (5) is mounted below the left side of the rotary table (12), a limiting groove (4) is formed in the surface of the mounting seat (2), and the other end of the limiting rod (5) is rotatably connected inside the limiting groove (4).

4. The selective electron beam melting atmosphere forming apparatus according to claim 3, wherein a collecting box (6) is fixedly installed on the left side of the motor C (21), and a getter pump (7) is fixedly installed above the left side of the collecting box (6).

5. The selective electron beam melting atmosphere forming apparatus of claim 4, wherein the power input terminals of the motor A (17), the motor B (20), the motor C (21) and the getter pump (7) are electrically connected to the power output terminal of an external power source.

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