CN109604779A - Electric arc silk filling increasing material manufacturing paraxonic wire feed direction-control apparatus - Google Patents
Electric arc silk filling increasing material manufacturing paraxonic wire feed direction-control apparatus Download PDFInfo
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- CN109604779A CN109604779A CN201910063792.XA CN201910063792A CN109604779A CN 109604779 A CN109604779 A CN 109604779A CN 201910063792 A CN201910063792 A CN 201910063792A CN 109604779 A CN109604779 A CN 109604779A
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- main shaft
- bearing
- crescent
- driven gear
- wire feed
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/12—Automatic feeding or moving of electrodes or work for spot or seam welding or cutting
- B23K9/133—Means for feeding electrodes, e.g. drums, rolls, motors
- B23K9/1336—Driving means
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- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Arc Welding In General (AREA)
- Wire Processing (AREA)
Abstract
The present invention provides a kind of electric arc silk filling increasing material manufacturing paraxonic wire feed direction-control apparatus, the device includes transmission device, crescent fixation device, linkage, clamping device, driving force is provided by stepper motor, clamping device fixes wire leading pipe, transmission device drives crescent fixation device, linkage, the rotation of clamping device wrapping gun, welding gun and wire leading pipe is finally set to stablize the state for maintaining preceding wire feed, furthermore, by adjusting the angle between the adjustable wire leading pipe of linkage and welding gun, component stack shaping quality is improved；The present invention provides electric arc silk filling increasing material manufacturing paraxonic wire feed direction-control apparatus, give full play to the flexibility of welding gun movement, it solves the problems, such as to be difficult to stablize when preparing pahtfinder hard metal component using paraxonic wire feeding mode to maintain preceding wire feed state, packing efficiency is increased, the stack shaping quality of forming path complex component is significantly improved.
Description
Technical field
The invention belongs to metal component increases material manufacturing technology fields, and in particular to a kind of electric arc increasing material manufacturing paraxonic that fills silk is sent
Silk direction-control apparatus.
Background technique
Electric arc silk filling increasing material manufacturing is using welding arc as heat source, and metal wire material is as packing material, based on layer-by-layer
The mode of accumulation obtains a kind of manufacturing technology of metal component.Because it is high with deposition rate, equipment cost is low and material use
The advantages that rate is high, so having broad application prospects in fields such as aerospace, automobile, ships.
Currently used electric arc silk filling increasing material manufacturing heat source has: consumable electrode gas-arc electric arc (Gas Metal Arc,
GMA), tungsten inert gas electric arc (Gas Tungsten Arc, GTA) and plasma arcs (Plasma Arc, PA).Wire feed side
Formula can be divided into coaxial wire feed and paraxonic wire feed；Compared to coaxial wire feed, paraxonic wire feed has heat input and wire feed rate can be only
It is vertical adjust, the advantages that arc stability and cladding rate are high.According to paraxonic wire feeding mode, according to the opposite position of wire leading pipe and welding gun
It sets, and is divided into preceding wire feed, side wire feed and rear wire feed.When being accumulated based on preceding wire feeding mode, silk material is sent directly into electric arc, can
Significantly increase silk material packing efficiency.And when being accumulated with side wire feed or rear wire feeding mode, silk material is easily sent into molten bath, due to molten
Pond temperature is far below arc temperature, and silk material melting efficiency reduces, and often results in " tied silk " phenomenon, causes accumulation component forming bad,
Packing efficiency is reduced, or even blocks increasing material manufacturing process.So the Ying Jinliang when carrying out electric arc silk filling increasing material manufacturing paraxonic wire feed
Wire feeding mode is accumulated before selecting.
And in the accumulation elements during formation of pahtfinder hard, welding gun and wire leading pipe are difficult to wire feed state before maintaining always,
To be produced a very large impact to manufacturing process.To solve this problem, need to propose that a kind of electric arc silk filling increasing material manufacturing paraxonic is sent
Silk direction-control apparatus, be difficult to stablize when solving using paraxonic wire feeding mode maintain before wire feed state this technical problem.
Summary of the invention
It is difficult to stablize when in view of above-mentioned deficiencies of the prior art, it is an object of the invention to solve using paraxonic wire feeding mode
This technical problem of wire feed state before maintaining provides a kind of electric arc silk filling increasing material manufacturing paraxonic wire feed direction-control apparatus.
For achieving the above object, technical solution of the present invention is as follows:
A kind of electric arc silk filling increasing material manufacturing paraxonic wire feed direction-control apparatus, comprising: transmission device, crescent clamping plate dress
It sets, linkage, clamping device；
The transmission device include stepper motor 1, the first main shaft 2, driving gear 3, welding gun 4, lantern ring 5, fastening screw 6,
Washer 7, first bearing 8, T shape driven gear 9, second bearing 10, the output end of the stepper motor 1 are fixedly connected with the first main shaft
2, the lower end surface of the first main shaft 2 is fixedly connected with driving gear 3, and stepper motor 1 is used to provide driving force for transmission device；It is described
Driving gear 3 is meshed with T shape driven gear 9；The upper end of 9 inner wall of T shape driven gear is equipped with first bearing 8, and lower end is set
There is second bearing 10, first bearing 8 and second bearing 10 are used to support T shape driven gear 9, reduce T shape driven gear 9 and are moved through
The coefficient of friction of Cheng Zhongyu welding gun 4, and guarantee the transmission accuracy of T shape driven gear 9；The first bearing 8 and second bearing 10
Inner hole and welding gun 4 cooperate, T shape driven gear 9 drives first bearing 8 and 10 wrapping gun 4 of second bearing to rotate；Second axis
The lower part for holding 10 is equipped with lantern ring 5, upper surface support first bearing 8, T shape driven gear 9 and the second bearing 10 of lantern ring 5；It is described
Lantern ring 5 is sheathed on outside welding gun 4；Washer 7 is equipped between the second bearing 10 and lantern ring 5, lantern ring 5 is equipped with and extends to welding gun
The lateral threaded holes of 4 outer surfaces are equipped with the position that fastening screw 6 is used for retaining collar 5 in lateral threaded holes；
The crescent fixation device is mounted on the lower part of T shape driven gear 9, one end of crescent fixation device and T shape
Driven gear 9 is fixedly connected, other end connection linkage device and clamping device；The crescent fixation device includes 2 parallel
Crescent clamping plate 11,11 two sides of crescent clamping plate be equipped with threaded hole, bridge screw 12 pass through crescent clamping plate 11 spiral shell
Pit is connect with fastening nut 13；The fastening nut 13 is used to adjust the spacing of two crescent clamping plates 11；Each crescent folder
The threaded hole for extending to 9 outer surface of T shape driven gear is respectively equipped among plate, the second main shaft 14 passes through any one threaded hole extremely
T shape driven gear is fixedly connected behind 9 outer surface with crescent fixation device；
The linkage includes the second main shaft 14, slotted pan head screw 15, fastening nut 16, washer 17, third main shaft
18, second main shaft 14 is equipped with washer 17, by being vertically arranged in this two between the second main shaft 14 and third main shaft 18
Slotted pan head screw 15 and fastening nut 16 between main shaft are hinged, and slotted pan head screw 15 and fastening nut 16 are for fixing the
Angle between two main shafts 14 and third main shaft 18；Second main shaft 14 passes through the threaded hole and crescent of crescent clamping plate 11
Fixation device is cooperatively connected；The linkage is used to adjust the angle between welding gun 4 and wire leading pipe 21；The third main shaft 18
It is linked together with the 4th main shaft 20 by the vertical split pin 19 being arranged in inside two main shafts；
The clamping device includes the 4th main shaft 20, wire leading pipe 21 and holding screw 22, and the 4th main shaft 20 is equipped with
The through-hole cooperated with wire leading pipe 21, wire leading pipe 21 pass through the through-hole, the 4th main shaft perpendicular to the axis direction of the 4th main shaft 20
20 bottoms are equipped with the threaded hole for extending to 21 outer surface of wire leading pipe in the axial direction, and holding screw 22 passes through the threaded hole and will lead
Fiber tube 21 is fixed.
It is preferred that using the transmission ratio of 1:n, n=3-6 between driving gear 3 and T shape driven gear 9.N setting
It is then to reduce the transmission accuracy of electric arc silk filling increasing material manufacturing paraxonic wire feed direction-control apparatus because n is too small for 3-6, n is excessive,
Cause T shape 9 volumes of driven gear excessive, increase the load of lantern ring 5, so as to cause electric arc silk filling increasing material manufacturing paraxonic wire feed direction
Control device is difficult to keep stable.
It is preferred that the angle theta between the axis of the second main shaft 14 and the axis of third main shaft 181For 120 °-
160°。θ1Being set as 120 ° -160 ° is because of θ1Too small, the metal component of increasing material manufacturing can not shape, θ1It is excessive, increasing material manufacturing
In the process, dissolved drip easily deflects away from the predetermined forming path of metal component.
It is preferred that the angle theta between welding gun 4 and wire leading pipe 212It is 20 ° -60 °.θ2=180 ° of-θ 1, θ2It is set as
20 ° -60 ° are because of θ2Too small, during increasing material manufacturing, dissolved drip easily deflects away from the predetermined forming path of metal component, θ2It is excessive, increase
The metal component of material manufacture can not shape.
It is preferred that driving gear 3 is fixed on by the lower end of the first main shaft 2 and driving gear 3 using being interference fitted
The end of first main shaft 2.
It is preferred that the stepper motor 1 is connect by key with the upper end of the first main shaft 2.
The increasing material manufacturing paraxonic wire feed direction-control apparatus the invention has the benefit that the electric arc that the present invention designs fills silk,
Driving force is provided by stepper motor, and then drives the rotation of wire leading pipe wrapping gun, wire feed before finally maintaining welding gun and wire leading pipe
State, avoid increasing material manufacturing process due to wire feed direction change and generate " tied silk ", fusion efficiencies are insufficient the defects of.It is logical
Linkage is overregulated, the angle between adjustable wire leading pipe and welding gun improves component forming quality.The present invention gives full play to
The flexibility of welding gun movement, increases packing efficiency and forming quality, improves pahtfinder hard component electric arc increasing material manufacturing
Craftsmanship.
Detailed description of the invention
Fig. 1 is electric arc silk filling increasing material manufacturing paraxonic wire feed direction-control apparatus overall structure diagram；
Fig. 2 is T shape driven gear-bearing fit sectional view；
Fig. 3 is crescent fixation device structural schematic diagram；
Fig. 4 is linkage structural schematic diagram；
Fig. 5 is seal wire pipe clamping device structural schematic diagram.
1 it is stepper motor, 2 be the first main shaft, 3 be driving gear, 4 be welding gun, 5 be lantern ring, 6 be fastening screw, 7 is pad
Circle, 8 be first bearing, 9 be T shape driven gear, 10 be second bearing, 11 be crescent clamping plate, 12 be bridge screw, 13 be tight
Gu nut, 14 be the second main shaft, 15 be slotted pan head screw, 16 be fastening nut, 17 be washer, 18 be third main shaft, 19 be
Split pin, 20 be the 4th main shaft, 21 be wire leading pipe, 22 be holding screw.
Specific embodiment
Illustrate embodiments of the present invention below by way of specific specific example, those skilled in the art can be by this specification
Other advantages and efficacy of the present invention can be easily understood for disclosed content.The present invention can also pass through in addition different specific realities
The mode of applying is embodied or practiced, the various details in this specification can also based on different viewpoints and application, without departing from
Various modifications or alterations are carried out under spirit of the invention.
The test platform of the present embodiment is as follows: Fu Nisi welding machine provides metal increasing material manufacturing heat source, and Motor execution device is
ABB robot, welding gun 4 are tungsten electrode argon arc welding gun, and electric arc silk filling increasing material manufacturing paraxonic wire feed direction-control apparatus is fixed on weldering
On rifle, substrate is 2219 aluminium alloy sheets, and substrate size is 200mm × 150mm × 10mm, and packing material is diameter 1.2mm's
ER2319 welding wire.
Fig. 1 show electric arc silk filling increasing material manufacturing paraxonic wire feed direction-control apparatus overall structure diagram, and electric arc fills silk
Increasing material manufacturing paraxonic wire feed direction-control apparatus includes: transmission device, crescent fixation device, linkage, clamping device；
The transmission device include stepper motor 1, the first main shaft 2, driving gear 3, welding gun 4, lantern ring 5, fastening screw 6,
Washer 7, first bearing 8, T shape driven gear 9, second bearing 10, the output end of the stepper motor 1 are fixedly connected with the first main shaft
2, the lower end surface of the first main shaft 2 is fixedly connected with driving gear 3, and stepper motor 1 is used to provide driving force for transmission device；It is described
Driving gear 3 is meshed with T shape driven gear 9；As shown in Fig. 2, the upper end of 9 inner wall of T shape driven gear is equipped with first axle
8 are held, lower end is equipped with second bearing 10, and first bearing 8 and second bearing 10 are used to support T shape driven gear 9, and it is driven to reduce T shape
Coefficient of friction in 9 motion process of gear with welding gun 4, and guarantee the transmission accuracy of T shape driven gear 9；The first bearing 8 with
The inner hole and welding gun 4 of second bearing 10 cooperate, and T shape driven gear 9 drives first bearing 8 and 10 wrapping gun 4 of second bearing to rotate；
The lower part of the second bearing 10 is equipped with lantern ring 5, upper surface support first bearing 8, T shape driven gear 9 and the second axis of lantern ring 5
Hold 10；The lantern ring 5 is sheathed on outside welding gun 4；Washer 7 is equipped between the second bearing 10 and lantern ring 5, lantern ring 5 is equipped with
The lateral threaded holes of 4 outer surface of welding gun are extended to, the position that fastening screw 6 is used for retaining collar 5 is equipped in lateral threaded holes；
As shown in figure 3, the crescent fixation device is mounted on the lower part of T shape driven gear 9, crescent fixation device
One end is fixedly connected with T shape driven gear 9, other end connection linkage device and clamping device；The crescent fixation device packet
2 parallel crescent clamping plates 11 are included, 11 two sides of crescent clamping plate are equipped with threaded hole, and bridge screw 12 passes through crescent moon clevis
The threaded hole of plate 11 is connect with fastening nut 13；The fastening nut 13 is used to adjust the spacing of two crescent clamping plates 11；Each
The threaded hole for extending to 9 outer surface of T shape driven gear is respectively equipped among crescent clamping plate, the second main shaft 14 passes through any one
It is fixedly connected after threaded hole to 9 outer surface of T shape driven gear with crescent fixation device；
As shown in figure 4, the linkage includes the second main shaft 14, slotted pan head screw 15, fastening nut 16, washer
17, third main shaft 18, second main shaft 14 are equipped with washer 17, by vertically wearing between the second main shaft 14 and third main shaft 18
Slotted pan head screw 15 and fastening nut 16 between two main shafts is hinged, slotted pan head screw 15 and fastening nut 16
Angle for fixing between the second main shaft 14 and third main shaft 18；Second main shaft 14 passes through the screw thread of crescent clamping plate 11
Hole and crescent fixation device are cooperatively connected；The linkage is used to adjust the angle between welding gun 4 and wire leading pipe 21；It is described
Third main shaft 18 is linked together with the 4th main shaft 20 by the vertical split pin 19 being arranged in inside two main shafts；
As shown in figure 5, the clamping device includes the 4th main shaft 20, wire leading pipe 21 and holding screw 22, the described 4th is main
Axis 20 is equipped with the through-hole cooperated with wire leading pipe 21, and wire leading pipe 21 passes through described logical perpendicular to the axis direction of the 4th main shaft 20
Hole, 20 bottom of the 4th main shaft are equipped with the threaded hole for extending to 21 outer surface of wire leading pipe in the axial direction, and holding screw 22 passes through institute
State threaded hole wire leading pipe 21 is fixed.The transmission ratio of 1:n, n=3-6 are used between driving gear 3 and T shape driven gear 9.N is set
Being set to 3-6 is then to reduce the transmission accuracy of electric arc silk filling increasing material manufacturing paraxonic wire feed direction-control apparatus, n mistake because n is too small
Greatly, cause T shape 9 volumes of driven gear excessive, increase the load of lantern ring 5, so as to cause electric arc silk filling increasing material manufacturing paraxonic wire feed
Direction-control apparatus is difficult to keep stable.
Angle theta between the axis of second main shaft 14 and the axis of third main shaft 181It is 120 ° -160 °.θ1It is set as
120 ° -160 ° are because of θ1Too small, the metal component of increasing material manufacturing can not shape, θ1Excessive, during increasing material manufacturing, dissolved drip is easy
Deflect away from the predetermined forming path of metal component.
Angle theta between welding gun 4 and wire leading pipe 212It is 20 ° -60 °.θ2=180 ° of-θ 1, θ2Be set as 20 ° -60 ° be because
θ2Too small, during increasing material manufacturing, dissolved drip easily deflects away from the predetermined forming path of metal component, θ2It is excessive, the metal structure of increasing material manufacturing
Part can not shape.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe
The personage for knowing this technology all without departing from the spirit and scope of the present invention, carries out modifications and changes to above-described embodiment.Cause
This, all those of ordinary skill in the art are completed without departing from the spirit and technical ideas disclosed in the present invention
All equivalent modifications or change, should be covered by the claims of the present invention.
Claims (6)
- The increasing material manufacturing paraxonic wire feed direction-control apparatus 1. a kind of electric arc fills silk characterized by comprising transmission device, crescent moon Clevis panel assembly, linkage, clamping device；The transmission device includes stepper motor (1), the first main shaft (2), driving gear (3), welding gun (4), lantern ring (5), fastening Screw (6), washer (7), first bearing (8), T shape driven gear (9), second bearing (10), the output of the stepper motor (1) End is fixedly connected the first main shaft (2), and the lower end surface of the first main shaft (2) is fixedly connected with driving gear (3), and stepper motor (1) is used In providing driving force for transmission device；The driving gear (3) is meshed with T shape driven gear (9)；The T shape driven gear (9) upper end of inner wall is equipped with first bearing (8), and lower end is equipped with second bearing (10), and first bearing (8) and second bearing (10) are used In support T shape driven gear (9), the coefficient of friction in T shape driven gear (9) motion process with welding gun (4) is reduced, and guarantees T The transmission accuracy of shape driven gear (9)；The inner hole and welding gun (4) of the first bearing (8) and second bearing (10) cooperate, T shape Driven gear (9) drives first bearing (8) and second bearing (10) wrapping gun (4) to rotate；The lower part of the second bearing (10) Equipped with lantern ring (5), upper surface support first bearing (8) of lantern ring (5), T shape driven gear (9) and second bearing (10)；It is described It is external that lantern ring (5) is sheathed on welding gun (4)；Washer (7) are equipped between the second bearing (10) and lantern ring (5), lantern ring is set on (5) There are the lateral threaded holes for extending to welding gun (4) outer surface, is equipped with fastening screw (6) in lateral threaded holes and is used for retaining collar (5) Position；The crescent fixation device is mounted on the lower part of T shape driven gear (9), one end of crescent fixation device and T shape from Moving gear (9) is fixedly connected, other end connection linkage device and clamping device；The crescent fixation device includes 2 parallel Crescent clamping plate (11), crescent clamping plate (11) two sides be equipped with threaded hole, bridge screw (12) pass through crescent clamping plate (11) threaded hole is connect with fastening nut (13)；The fastening nut (13) is between two crescent clamping plates (11) of adjustment Away from；The threaded hole for extending to T shape driven gear (9) outer surface, the second main shaft (14) are respectively equipped among each crescent clamping plate It is fixedly connected after any one threaded hole to T shape driven gear (9) outer surface with crescent fixation device；The linkage includes the second main shaft (14), slotted pan head screw (15), fastening nut (16), washer (17), third Main shaft (18), second main shaft (14) are equipped with washer (17), by hanging down between the second main shaft (14) and third main shaft (18) Direct puncture be set to two main shafts between slotted pan head screw (15) and fastening nut (16) hingedly, slotted pan head screw (15) and Fastening nut (16) is used for the angle fixed between the second main shaft (14) and third main shaft (18)；Second main shaft (14) passes through The threaded hole and crescent fixation device of crescent clamping plate (11) are cooperatively connected；The linkage for adjust welding gun (4) with Angle between wire leading pipe (21)；The third main shaft (18) is arranged in two main shafts with the 4th main shaft (20) by vertical The split pin (19) in portion links together；The clamping device includes the 4th main shaft (20), wire leading pipe (21) and holding screw (22), on the 4th main shaft (20) Equipped with the through-hole cooperated with wire leading pipe (21), wire leading pipe (21) passes through described logical perpendicular to the axis direction of the 4th main shaft (20) Hole, the 4th main shaft (20) bottom are equipped with the threaded hole for extending to wire leading pipe (21) outer surface, holding screw (22) in the axial direction It is across the threaded hole that wire leading pipe (21) are fixed.
- The increasing material manufacturing paraxonic wire feed direction-control apparatus 2. a kind of electric arc according to claim 1 fills silk, it is characterised in that: The transmission ratio of 1:n, n=3-6 are used between driving gear (3) and T shape driven gear (9).
- The increasing material manufacturing paraxonic wire feed direction-control apparatus 3. a kind of electric arc according to claim 1 fills silk, it is characterised in that: Angle theta between the axis of second main shaft (14) and the axis of third main shaft (18)1It is 120 ° -160 °.
- The increasing material manufacturing paraxonic wire feed direction-control apparatus 4. a kind of electric arc according to claim 1 fills silk, it is characterised in that: Angle theta between welding gun (4) and wire leading pipe (21)2It is 20 ° -60 °.
- The increasing material manufacturing paraxonic wire feed direction-control apparatus 5. a kind of electric arc according to claim 1 fills silk, it is characterised in that: Driving gear (3) is fixed on the end of the first main shaft (2) using being interference fitted by the lower end and driving gear (3) of the first main shaft (2) Portion.
- The increasing material manufacturing paraxonic wire feed direction-control apparatus 6. a kind of electric arc according to claim 1 fills silk, it is characterised in that: The stepper motor (1) is connect by key with the upper end of the first main shaft (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910063792.XA CN109604779B (en) | 2019-01-23 | 2019-01-23 | Paraxial wire feeding direction control device for electric arc wire filling additive manufacturing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910063792.XA CN109604779B (en) | 2019-01-23 | 2019-01-23 | Paraxial wire feeding direction control device for electric arc wire filling additive manufacturing |
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| CN109604779A true CN109604779A (en) | 2019-04-12 |
| CN109604779B CN109604779B (en) | 2020-12-18 |
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| CN110421231A (en) * | 2019-09-06 | 2019-11-08 | 广东省焊接技术研究所（广东省中乌研究院） | Paraxonic wire feeder and increasing material manufacturing system |
| CN110666306A (en) * | 2019-11-12 | 2020-01-10 | 成都环龙智能机器人有限公司 | High-precision five-axis argon arc welding machine |
| CN110744303A (en) * | 2019-10-24 | 2020-02-04 | 江南大学 | Electric arc additive and forging-milling combined machining forming device and method |
| CN111347132A (en) * | 2020-01-22 | 2020-06-30 | 天津大学 | Multi-wire TIG electric arc additive manufacturing device |
| CN111745262A (en) * | 2020-07-16 | 2020-10-09 | 熊嘉锋 | Universal rotary wire feeding device and process for lateral wire feeding additive manufacturing |
| CN113927047A (en) * | 2021-10-28 | 2022-01-14 | 中北大学 | Wire filling device based on wire-powder combined laser additive manufacturing |
| CN114101852A (en) * | 2021-10-27 | 2022-03-01 | 江苏大学 | Paraxial front wire feeding control method and device for functionally graded metal arc additive manufacturing |
| CN115815787A (en) * | 2022-11-16 | 2023-03-21 | 哈尔滨工业大学 | Laser additive manufacturing self-adaptive direction paraxial wire feeding device and using method thereof |
| CN115889998A (en) * | 2023-03-08 | 2023-04-04 | 广东昊胜智能设备有限公司 | Handheld welding equipment and use method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110421231A (en) * | 2019-09-06 | 2019-11-08 | 广东省焊接技术研究所（广东省中乌研究院） | Paraxonic wire feeder and increasing material manufacturing system |
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| CN113927047A (en) * | 2021-10-28 | 2022-01-14 | 中北大学 | Wire filling device based on wire-powder combined laser additive manufacturing |
| CN115815787A (en) * | 2022-11-16 | 2023-03-21 | 哈尔滨工业大学 | Laser additive manufacturing self-adaptive direction paraxial wire feeding device and using method thereof |
| CN115815787B (en) * | 2022-11-16 | 2023-05-26 | 哈尔滨工业大学 | Using method of self-adaptive direction paraxial wire feeder for laser additive manufacturing |
| CN115889998A (en) * | 2023-03-08 | 2023-04-04 | 广东昊胜智能设备有限公司 | Handheld welding equipment and use method thereof |
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| CN109604779B (en) | 2020-12-18 |
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