CN208696539U - A kind of exhaust of vacuum heat-preserving interlayer vacuum-pumping and Electron beam welding device - Google Patents
A kind of exhaust of vacuum heat-preserving interlayer vacuum-pumping and Electron beam welding device Download PDFInfo
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- CN208696539U CN208696539U CN201821345013.2U CN201821345013U CN208696539U CN 208696539 U CN208696539 U CN 208696539U CN 201821345013 U CN201821345013 U CN 201821345013U CN 208696539 U CN208696539 U CN 208696539U
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Abstract
The utility model discloses a kind of exhaust of vacuum heat-preserving interlayer vacuum-pumping and Electron beam welding devices, including processing storehouse, high-pressure electronic case and pedestal, processing storehouse is installed at the top of the pedestal, and the center for processing storehouse one end is equipped with the second motor, vacuum pump is mounted on the processing storehouse of second motor two sides, and high-pressure electronic case is installed at the top of processing storehouse, one end of high-pressure electronic case extends to the inside in processing storehouse and is equipped with electron beam by heat-resisting electric telescopic rod, the inner wall in the processing storehouse is equipped with anti-interference layer, processing storehouse on the inside of anti-interference layer is equipped with shielding absorbed layer.The utility model is by being equipped with processing storehouse, high-pressure electronic case and pedestal, processing storehouse on the inside of anti-interference layer is equipped with shielding absorbed layer, convenient for being shielded by shielding absorbed layer and absorbing unnecessary x-ray, X-ray is reduced to distribute, reduce the injury to operator's body, increase the protection effect to human body, convenient for the use of device.
Description
Technical field
The utility model relates to Electron beam welding device technical field, specially a kind of vacuum heat-preserving interlayer vacuum-pumping exhaust
With Electron beam welding device.
Background technique
Electron beam welding technology is using high-power electron beam as processing heat source, with the beam bombardment weldment of high-energy density
The metal of joint makes its Flashmelt, then cooling to achieve the purpose that welding rapidly, in the processing of many vacuum articles
Often need to use electron beam welding technology, but existing Electron beam welding device is mostly vulnerable to the dry of extraneous stray EM field
It disturbs, easily influence welding quality, and is also easy to produce certain X-ray when electron beam welding, if it can not accomplish to protect isolation completely
The health and safety of operator can be damaged, there are some potential safety problems, while existing device can not be according to adding
The big minor adjustment fixed size of workpiece, is not easy to fix different size of workpiece, is not easy to welding gun according to different workpieces size
It is adjusted, is not easy to device and is processed, be not easy to the use of device.
Summary of the invention
The purpose of this utility model is to provide a kind of vacuum heat-preserving interlayer vacuum-pumping exhaust and Electron beam welding device, with
Solve the problems mentioned above in the background art.
To achieve the above object, the utility model provides the following technical solutions: a kind of vacuum heat-preserving interlayer vacuum-pumping exhaust
With Electron beam welding device, including processing storehouse, high-pressure electronic case and pedestal, processing storehouse, processing are installed at the top of the pedestal
The side in storehouse is equipped with side cover, is equipped with controller on the processing storehouse of side cover one end, and the center for processing storehouse one end is equipped with the
Two motors, the second motor are electrically connected with the controller by conducting wire, are mounted on vacuum on the processing storehouse of second motor two sides
Pump, vacuum pump are electrically connected with the controller by conducting wire, and the second motor output end extends to one end and peace inside processing storehouse
Equipped with rotating plate, the side of rotating plate is uniformly equipped with the first electric telescopic rod, and the output end of the first electric telescopic rod is fixed with second
Fixed plate, second fixed plate are equipped with the second holder far from the center of the first electric telescopic rod side, the second holder it is outer
Side is equipped with flexible clamping plate, and the center of flexible clamping plate side is mounted on first pressure sensor, first pressure sensor
Output end is electrically connected with the input terminal of controller, and the flexible clamping plate is equipped with far from the center of first pressure sensor side
Fixture block, one end of fixture block all extend to the second electric telescopic rod that the inside of the second holder is uniformly installed with the second holder inside
Output end is fixedly connected, and is fixedly connected between the second holder and fixture block on the outside of the second electric telescopic rod by spring, described
The center of the processing storehouse other end is equipped with sealing fixing seat, and the one end in processing storehouse is equipped with first motor above sealing fixing seat,
First motor is electrically connected with the controller by conducting wire, and the output end of first motor is equipped with first gear, first gear with it is close
The second gear installed inside sealing reservation is fixedly connected, and the center of the sealing fixing seat has extended transversely through drive rod, is driven
Bar is fixedly connected with second gear, and one end of drive rod extends to the inside in processing storehouse, and is passed through processing storehouse inner sealing and fixed
The fixed connecting base center of seat one end installation is equipped with the first fixed plate, and the center at the first fixed plate marginal position is respectively mounted
There is third motor, the output end of third motor is electrically connected with the controller by conducting wire, and the output end of third motor is mounted on
The side of screw rod, the first fixed plate of the screw rod outside is mounted on the first holder, and the side of the first holder is mounted on elasticity
Pad, the center of elastic cushion are mounted on second pressure sensor, the output end of second pressure sensor with the input of controller
End is electrically connected, and is processed at the top of storehouse and be equipped with high-pressure electronic case, and one end of high-pressure electronic case extends to the inside in processing storehouse
And electron beam is equipped with by heat-resisting electric telescopic rod, the input terminal of electron beam is electrically connected by elastic filament with high-pressure electronic case
It connects, the top and bottom inside the processing storehouse are all uniformly equipped with heat block, and heat block passes through conducting wire and is electrically connected with controller
The inner wall for connecing, and processing storehouse is equipped with anti-interference layer, and the processing storehouse on the inside of anti-interference layer is equipped with shielding absorbed layer.
Preferably, visual window is all uniformly provided on the side cover, is pasted with radiation prevention film on visual window, and side cover with plus
The junction in work storehouse is mounted on aluminium filtering plate.
Preferably, the first gear and second gear are intermeshed, and the inner sidewall of second gear is equipped with internal screw thread,
The lateral wall of drive rod is equipped with the mutually matched external screw thread of internal screw thread, structure between drive rod and first gear and second gear
At screw drive structure.
Preferably, the electron beam and the second fixed plate respectively by heat-resisting electric telescopic rod and the first electric telescopic rod with
High-pressure electronic case is fixedly connected with rotating plate, and electron beam and the second fixed plate are stretched by the way that heat-resisting electric telescopic rod and first are electronic respectively
Contracting bar and high-pressure electronic case and rotating plate constitute stretching structure.
Preferably, the center of first holder, which is equipped with, passes through third electricity with screw rod mutual cooperation threaded hole, the first holder
Machine and screw rod constitute screw drive structure.
Preferably, the flexible clamping plate is fixedly connected by spring with the second holder, is stretched between clamping plate and the second holder
Elastic extension structure is constituted by spring.
Compared with prior art, the utility model has the beneficial effects that vacuum heat-preserving interlayer vacuum-pumping exhaust and electronics
Beam welder includes processing storehouse, high-pressure electronic case and pedestal by being provided with, and the second motor output end extends to inside processing storehouse
One end and rotating plate is installed, the side of rotating plate is fixed with the second fixed plate, the second fixed plate one by the first electric telescopic rod
Side is equipped with the second holder, and third motor output end passes through screw rod and is equipped with the first holder in the first fixed plate, is convenient for first
Holder and the second holder fix the workpiece of different size size convenient for device according to the big minor adjustment fixed size of processed goods,
It is processed convenient for device, convenient for increasing the applicability of device, flexible clamping plate, and flexible clamping plate is equipped on the outside of the second holder
The center of side is mounted on first pressure sensor, and the side of the first holder is mounted on elastic cushion, and the center of elastic cushion is
Second pressure sensor is installed, convenient for passing through pressure when first pressure sensor and second pressure sensor sensing device clamping
Power, clamping pressure is excessive during avoiding device clamping workpiece damages workpiece, convenient for guaranteeing the completion of workpiece, just
In the use of device, the one end for the top high-voltage electronic box for processing storehouse extends to the inside in processing storehouse and by heat-resisting electric expansion
Bar is equipped with electron beam, convenient for being stretched according to the heat-resisting electric telescopic rod of big minor adjustment of process equipment and the first electric telescopic rod
Contracting is vacuum-evacuated and is welded to different size dimension workpiece fixed on the second holder convenient for device, convenient for adding for device
Work uses, and processes on storehouse and is mounted on vacuum pump, and the inner wall for processing storehouse is equipped with anti-interference layer, convenient for being increased by anti-interference layer
Electromagnetism interference in device process reduces the interference of extraneous stray EM field, and convenient for guaranteeing welding quality, this is practical
Processing storehouse on the inside of New Anti-interference layer is equipped with shielding absorbed layer, convenient for shielding and absorbing unnecessary by shielding absorbed layer
X-ray reduces X-ray and distributes, reduce the injury to operator's body, increases the protection effect to human body, convenient for making for device
With.
Detailed description of the invention
Fig. 1 is that structural schematic diagram is cutd open in the vertical view side of the utility model；
Fig. 2 is that first fixed seat side of the utility model cuts open structural schematic diagram；
Fig. 3 is the second fixing seat side structure schematic view of the utility model；
In figure: 1, vacuum pump；2, storehouse is processed；3, controller；4, absorbed layer is shielded；5, anti-interference layer；6, heat block；7, side
Lid；8, high-pressure electronic case；9, elastic filament；10, heat-resisting electric telescopic rod；11, electron beam；12, first motor；13, the first tooth
Wheel；14, drive rod；15, second gear；16, fixing seat is sealed；17, fixed connecting base；18, the first fixed plate；19, the first folder
Seat；20, the second holder；21, the second fixed plate；22, the first electric telescopic rod；23, pedestal；24, rotating plate；25, the second motor；
26, stretch clamping plate；27, first pressure sensor；28, the second electric telescopic rod；29, spring；30, fixture block；31, third motor；
32, screw rod；33, second pressure sensor；34, elastic cushion.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-3 is please referred to, a kind of embodiment provided by the utility model: a kind of exhaust of vacuum heat-preserving interlayer vacuum-pumping and electricity
Beamlet welder, including processing storehouse 2, high-pressure electronic case 8 and pedestal 23, the top of pedestal 23 are equipped with processing storehouse 2, process storehouse
2 side is equipped with side cover 7, and visual window is all uniformly provided on side cover 7, is pasted with radiation prevention film on visual window, and side cover 7 with
The junction in processing storehouse 2 is mounted on aluminium filtering plate, convenient for observing device process by visual window, convenient for being filtered by aluminium
Plate increases the leakproofness of visual window, avoids X-ray from leaking, causes harm to the human body, is equipped on the processing storehouse 2 of 7 one end of side cover
Controller 3, the model of controller 3 can be ARGUS controller, and the center for processing 2 one end of storehouse is equipped with the second motor 25, second
The model of motor 25 can be Y315M-2 motor, and the second motor 25 is electrically connected by conducting wire with controller 3,25 two sides of the second motor
Processing storehouse 2 on be mounted on vacuum pump 1, vacuum pump 1 is electrically connected by conducting wire with controller 3, and the output of the second motor 25
End extends to the one end processed inside storehouse 2 and is equipped with rotating plate 24, and the side of rotating plate 24 is uniformly equipped with the first electric telescopic rod
22, the output end of the first electric telescopic rod 22 is fixed with the second fixed plate 21, and the second fixed plate 21 is far from the first electric telescopic rod
The center of 22 sides is equipped with the second holder 20, and the outside of the second holder 20 is equipped with flexible clamping plate 26, and flexible clamping plate 26 1
The center of side is mounted on first pressure sensor 27, and the model of first pressure sensor 27 can be MPX10 pressure sensor, the
The output end of one pressure sensor 27 is electrically connected with the input terminal of controller 3, and the clamping plate 26 that stretches is far from first pressure sensor
The center of 27 sides is equipped with fixture block 30, and one end of fixture block 30 all extends to the inside of the second holder 20 and in the second holder 20
28 output end of the second electric telescopic rod that portion is uniformly installed is fixedly connected, and second holder 20 in 28 outside of the second electric telescopic rod
It is fixedly connected between fixture block 30 by spring 29, flexible clamping plate 26 is fixedly connected by spring 29 with the second holder 20, is stretched
Elastic extension structure is constituted by spring 29 between clamping plate 26 and the second holder 20, convenient for increasing flexible clamping plate 26 by spring 29
With the screen resilience between the second holder 20,2 other end of storehouse is processed convenient for the use of device convenient for the use for the clamping plate 26 that stretches
Center is equipped with sealing fixing seat 16, and the one end for sealing processing storehouse 2 above fixing seat 16 is equipped with first motor 12, first motor
12 model can be Y160M1-2 motor, and first motor 12 is electrically connected by conducting wire with controller 3, and the output of first motor 12
End is equipped with first gear 13, and the second gear 15 installed inside first gear 13 and sealing fixing seat 16 is fixedly connected, seals
The center of fixing seat 16 has extended transversely through drive rod 14, and drive rod 14 is fixedly connected with second gear 15, first gear 13 and
Two gears 15 intermeshing, and the inner sidewall of second gear 15 is equipped with internal screw thread, the lateral wall of drive rod 14 be equipped with it is interior
The mutually matched external screw thread of screw thread, constitutes screw drive structure, just between drive rod 14 and first gear 13 and second gear 15
In driving first gear 13 to rotate by motor 12, so that second gear 15 drives drive rod 14 to rotate, added convenient for device
Work, convenient for the use of device, one end of drive rod 14 extends to the inside in processing storehouse 2, and passes through processing 2 inner sealing of storehouse and fix
Seat 16 one end installation 17 center of fixed connecting base the first fixed plate 18 is installed, and at 18 marginal position of the first fixed plate in
Centre is mounted on third motor 31, and the model of third motor 31 can be Y90S-2 motor, and the output end of third motor 31 passes through
Conducting wire is electrically connected with controller 3, and the output end of third motor 31 is mounted on screw rod 32,32 the first fixed plate 18 of outside of screw rod
Side is mounted on the first holder 19, and the center of the first holder 19 is equipped with and 32 mutual cooperation threaded hole of screw rod, the first holder 19
Screw drive structure is constituted by third motor 31 and screw rod 32, convenient for driving screw rod 32 to rotate by third motor 31, so that
First holder 19 is mobile, convenient for the device different size of workpiece of clamping according to demand, convenient for the use of device, the first holder 19
Side is mounted on elastic cushion 34, and the center of elastic cushion 34 is mounted on second pressure sensor 33, second pressure sensor 33
Model can be MPX10 pressure sensor, the output end of second pressure sensor 33 electrically connects with the input terminal of controller 3
The top for connecing, and processing storehouse 2 is equipped with high-pressure electronic case 8, and one end of high-pressure electronic case 8 extends to the inside in processing storehouse 2 and leads to
It crosses heat-resisting electric telescopic rod 10 and electron beam 11 is installed, the input terminal of electron beam 11 passes through elastic filament 9 and 8 electricity of high-pressure electronic case
Connection, electron beam 11 and the second fixed plate 21 pass through heat-resisting electric telescopic rod 10 and the first electric telescopic rod 22 and high-voltage electricity respectively
Sub- case 8 is fixedly connected with rotating plate 24, and electron beam 11 and the second fixed plate 21 pass through heat-resisting electric telescopic rod 10 and the first electricity respectively
Dynamic telescopic rod 22 constitutes stretching structure with high-pressure electronic case 8 and rotating plate 24, convenient for according to the heat-resisting electricity of big minor adjustment of process equipment
Dynamic telescopic rod 10 and the first electric telescopic rod 22 are stretched, and are vacuum-evacuated convenient for workpiece of the device to different size size
And welding, it is used convenient for the processing of device, the top and bottom processed inside storehouse 2 are all uniformly equipped with heat block 6, heat block 6
The inner wall for being electrically connected by conducting wire with controller 3, and processing storehouse 2 is equipped with anti-interference layer 5, the processing of anti-interference 5 inside of layer
Storehouse 2 is equipped with shielding absorbed layer 4.
Working principle: in use, connecting external power supply first, opening side cover 7, and the workpiece processed is solid respectively
It is scheduled on the first holder 19 and the second holder 20, so that the first electric telescopic rod 22 drives flexible clamping plate 26 flexible, so that third
Motor 31 drives screw rod 32 to rotate, so that the first holder 19 is mobile and fixes workpiece, convenient for passing through first pressure sensor 27
With pressure when 33 sensing device clamping of second pressure sensor, clamping pressure is excessive to work during avoiding device clamping workpiece
Part damages, and convenient for guaranteeing then the completion of workpiece covers side cover 7 convenient for the use of device, is controlled by controller 3
It makes heat-resisting electric telescopic rod 10 and the first electric telescopic rod 22 is stretched, convenient for device to the first holder 19 and the second holder 20
The different size dimension workpiece of upper fixation is vacuum-evacuated and is welded, and is used convenient for the processing of device, while heat block 6 is powered
Fever increases device internal heat, convenient for increasing device melting rate, increases the welding efficiency of device, then the second motor 25
Rotation drives rotating plate 24 and the rotation of the second holder 20, and first motor 12 drives first gear 13 to rotate, so that second gear 15
It drives drive rod 14 to rotate, so that the first fixed plate 18 rotates, drives the workpiece of clamping on the first holder 19 to be rotated, be convenient for
Device guarantees not generate gap between workpiece when welding to workpiece spiral welded, convenient for guaranteeing the aesthetics of processing, device work
Anti-interference layer 5 can effectively increase the electromagnetism interference in device process in the process, reduce the dry of extraneous stray EM field
It disturbs, is convenient for guaranteeing welding quality, while shielding absorbed layer 4 can effectively shield and absorb unnecessary x-ray, reduce X-ray and distribute,
The injury to operator's body is reduced, increases the protection effect to human body, convenient for the use of device.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
Claims (6)
1. a kind of vacuum heat-preserving interlayer vacuum-pumping exhaust and Electron beam welding device, including processing storehouse (2), high-pressure electronic case (8)
With pedestal (23), it is characterised in that: be equipped with processing storehouse (2) at the top of the pedestal (23), the side of processing storehouse (2) is equipped with
The center that side cover (7) is equipped with controller (3) on the processing storehouse (2) of side cover (7) one end, and processes storehouse (2) one end is equipped with the
Two motors (25), the second motor (25) are electrically connected by conducting wire with controller (3), the processing storehouse of the second motor (25) two sides
(2) it is mounted on vacuum pump (1), vacuum pump (1) is electrically connected by conducting wire with controller (3), and the second motor (25) is defeated
Outlet extends to the internal one end of processing storehouse (2) and is equipped with rotating plate (24), and the side of rotating plate (24) is uniformly equipped with the first electricity
Dynamic telescopic rod (22), the output end of the first electric telescopic rod (22) are fixed with the second fixed plate (21), second fixed plate
(21) center far from the first electric telescopic rod (22) side is equipped with the second holder (20), and the second holder is all provided on the outside of (20)
Have flexible clamping plate (26), and the center of flexible clamping plate (26) side is mounted on first pressure sensor (27), first pressure passes
The output end of sensor (27) is electrically connected with the input terminal of controller (3), and the flexible clamping plate (26) senses far from first pressure
The center of device (27) side is equipped with fixture block (30), and one end of fixture block (30) all extends to the inside of the second holder (20) with
The second electric telescopic rod (28) output end uniformly installed inside two holders (20) is fixedly connected, and the second electric telescopic rod (28)
It is fixedly connected between second holder (20) in outside and fixture block (30) by spring (29), in processing storehouse (2) other end
Centre is equipped with sealing fixing seat (16), and one end of processing storehouse (2) is equipped with first motor (12) above sealing fixing seat (16), the
One motor (12) is electrically connected by conducting wire with controller (3), and the output end of first motor (12) is equipped with first gear (13),
The second gear (15) installed inside first gear (13) and sealing fixing seat (16) is fixedly connected, the sealing fixing seat (16)
Center extended transversely through drive rod (14), drive rod (14) is fixedly connected with second gear (15), one end of drive rod (14)
The inside of processing storehouse (2) is extended to, and passes through the fixed connecting base of processing storehouse (2) inner sealing fixing seat (16) one end installation
(17) center is equipped with the first fixed plate (18), and the center at the first fixed plate (18) marginal position is mounted on third motor
(31), the output end of third motor (31) passes through conducting wire and is electrically connected with controller (3), and the output end of third motor (31) is pacified
Equipped with screw rod (32), the side of the first fixed plate (18) is mounted on the first holder (19) on the outside of the screw rod (32), the first folder
The side of seat (19) is mounted on elastic cushion (34), and the center of elastic cushion (34) is mounted on second pressure sensor (33), the
The output end of two pressure sensors (33) is electrically connected with the input terminal of controller (3), and is processed at the top of storehouse (2) and be equipped with
High-pressure electronic case (8), one end of high-pressure electronic case (8) extend to the inside of processing storehouse (2) and by heat-resisting electric telescopic rods
(10) it being equipped with electron beam (11), the input terminal of electron beam (11) passes through elastic filament (9) and is electrically connected with high-pressure electronic case (8),
The internal top and bottom of processing storehouse (2) are all uniformly equipped with heat block (6), and heat block (6) passes through conducting wire and control
Device (3) electrical connection, and the inner wall for processing storehouse (2) is equipped with anti-interference layer (5), sets on the processing storehouse (2) on the inside of anti-interference layer (5)
There are shielding absorbed layer (4).
2. a kind of vacuum heat-preserving interlayer vacuum-pumping exhaust according to claim 1 and Electron beam welding device, feature exist
In: it is all uniformly provided with visual window on the side cover (7), radiation prevention film, and side cover (7) and processing storehouse are pasted on visual window
(2) junction is mounted on aluminium filtering plate.
3. a kind of vacuum heat-preserving interlayer vacuum-pumping exhaust according to claim 1 and Electron beam welding device, feature exist
In: the first gear (13) and second gear (15) are intermeshed, and the inner sidewall of second gear (15) is equipped with internal screw thread,
The lateral wall of drive rod (14) is equipped with and the mutually matched external screw thread of internal screw thread, drive rod (14) and first gear (13) and the
Two gears constitute screw drive structure between (15).
4. a kind of vacuum heat-preserving interlayer vacuum-pumping exhaust according to claim 1 and Electron beam welding device, feature exist
In: the electron beam (11) and the second fixed plate (21) pass through heat-resisting electric telescopic rod (10) and the first electric telescopic rod respectively
(22) it is fixedly connected with high-pressure electronic case (8) and rotating plate (24), electron beam (11) and the second fixed plate (21) are respectively by heat-resisting
Electric telescopic rod (10) and the first electric telescopic rod (22) and high-pressure electronic case (8) and rotating plate (24) constitute stretching structure.
5. a kind of vacuum heat-preserving interlayer vacuum-pumping exhaust according to claim 1 and Electron beam welding device, feature exist
In: the center of first holder (19), which is equipped with, passes through third electricity with screw rod (32) mutual cooperation threaded hole, the first holder (19)
Machine (31) and screw rod (32) constitute screw drive structure.
6. a kind of vacuum heat-preserving interlayer vacuum-pumping exhaust according to claim 1 and Electron beam welding device, feature exist
In: the flexible clamping plate (26) is fixedly connected by spring (29) with the second holder (20), and stretch clamping plate (26) and the second holder
(20) elastic extension structure is constituted by spring (29) between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821345013.2U CN208696539U (en) | 2018-08-21 | 2018-08-21 | A kind of exhaust of vacuum heat-preserving interlayer vacuum-pumping and Electron beam welding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821345013.2U CN208696539U (en) | 2018-08-21 | 2018-08-21 | A kind of exhaust of vacuum heat-preserving interlayer vacuum-pumping and Electron beam welding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208696539U true CN208696539U (en) | 2019-04-05 |
Family
ID=65942914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821345013.2U Expired - Fee Related CN208696539U (en) | 2018-08-21 | 2018-08-21 | A kind of exhaust of vacuum heat-preserving interlayer vacuum-pumping and Electron beam welding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208696539U (en) |
-
2018
- 2018-08-21 CN CN201821345013.2U patent/CN208696539U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190405 Termination date: 20200821 |
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| CF01 | Termination of patent right due to non-payment of annual fee |