CN110193647B - Welding gun sleeve for simultaneous wire-powder feeding for arc additive manufacturing - Google Patents
Welding gun sleeve for simultaneous wire-powder feeding for arc additive manufacturing Download PDFInfo
- Publication number
- CN110193647B CN110193647B CN201910600102.XA CN201910600102A CN110193647B CN 110193647 B CN110193647 B CN 110193647B CN 201910600102 A CN201910600102 A CN 201910600102A CN 110193647 B CN110193647 B CN 110193647B
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- Prior art keywords
- sleeve
- powder
- welding gun
- powder feeding
- feeding pipe
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- 239000000843 powder Substances 0.000 title claims abstract description 65
- 238000003466 welding Methods 0.000 title claims abstract description 38
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 32
- 239000000654 additive Substances 0.000 title claims abstract description 27
- 230000000996 additive effect Effects 0.000 title claims abstract description 27
- 239000000463 material Substances 0.000 claims abstract description 10
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 4
- 239000000919 ceramic Substances 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 238000010891 electric arc Methods 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000002905 metal composite material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000011156 metal matrix composite Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
Classifications
-
- 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
- B23K9/04—Welding for other purposes than joining, e.g. built-up welding
-
- 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
- B23K9/16—Arc welding or cutting making use of shielding gas
- B23K9/173—Arc welding or cutting making use of shielding gas and of a consumable electrode
-
- 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
- B23K9/32—Accessories
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Arc Welding In General (AREA)
- Electrostatic Spraying Apparatus (AREA)
Abstract
The invention discloses a welding gun sleeve for wire-powder simultaneous feeding for arc additive manufacturing, which mainly comprises a sleeve, a powder feeding pipe and a conical cover, wherein the welding gun sleeve is matched with a consumable electrode gas shielded welding gun for use; the sleeve is of a cylindrical structure, a boss is arranged on the outer circle of the sleeve, and a plurality of inclined holes leading to the inside of the sleeve are distributed on the boss; the powder feeding pipe is of an elongated cylindrical structure and is fixedly connected with the sleeve through an inclined hole on the boss; the conical cover is positioned at the lower end of the sleeve and fixedly connected with the sleeve. The device provided by the invention is matched with a traditional consumable electrode gas shielded welding gun for use, can carry out combined conveying of wires and various powder, and realizes additive manufacturing of complex parts and structures with multi-material combination.
Description
Technical Field
The invention belongs to the technical field of welding, relates to a device for manufacturing an electric arc additive, and in particular relates to a welding gun sleeve for wire-powder simultaneous feeding in the manufacturing of the electric arc additive.
Background
The additive manufacturing technology can rapidly manufacture complex parts and structures by accumulating materials layer by layer, and is an advanced technology facing industrial 4.0 and intelligent manufacturing. The arc additive manufacturing technology has good application prospect due to low equipment and material cost, high manufacturing efficiency and low control precision requirement.
Currently, parts and structures for arc additive manufacturing are composed primarily of a single material. With the development of industry upgrades and diversification of product demands, complex parts and structures of multi-material combinations have significant performance advantages and market competitiveness. The material customization regulation and control on different positions of the same part or structure are realized in the arc additive manufacturing process, so that the local performance of the part and structure is targeted and regulated according to the user demand, and the arc additive manufacturing process has good market prospect and practical significance.
The problems in the prior art are as follows: the wire-powder coupling device for additive manufacturing is mainly used for laser equipment or has complex structure and poor universality, and the wire-powder simultaneous feeding device which is matched with a welding gun and used for arc additive manufacturing is not available in the market at present.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a welding gun sleeve for wire-powder simultaneous feeding for arc additive manufacturing, and the device is matched with a traditional consumable electrode gas shielded welding gun for use, can carry out combined conveying of wires and various powder, and realizes additive manufacturing of complex parts and structures with multi-material combination.
For this purpose, the invention adopts the following technical scheme:
The welding gun sleeve mainly comprises a sleeve, a powder feeding pipe and a conical cover, wherein the welding gun sleeve is matched with a consumable electrode gas shielded welding gun for use; the sleeve is of a cylindrical structure, a boss is arranged on the outer circle of the sleeve, and a plurality of inclined holes leading to the inside of the sleeve are distributed on the boss; the powder feeding pipe is of an elongated cylindrical structure and is fixedly connected with the sleeve through an inclined hole on the boss; the conical cover is positioned at the lower end of the sleeve and fixedly connected with the sleeve.
Preferably, one end of the powder feeding pipe is provided with an external thread, the inclined hole on the sleeve boss is provided with an internal thread matched with the external thread of the powder feeding pipe, and the powder feeding pipe is fixedly connected with the sleeve through the threads.
Preferably, the lower end excircle of the sleeve is provided with external threads, the conical cover is provided with internal threads matched with the external threads at the lower end of the sleeve, and the conical cover is fixedly connected with the sleeve through the threads.
Preferably, the inner hole of the sleeve is divided into two parts, the diameter and depth of the inner hole at one end matched with the welding gun are determined by the size of the welding gun head, and the inner hole at one end matched with the conical cover is provided with an inverted conical shrinkage.
Preferably, the powder feeding pipe is perpendicular to the boss plane of the outer circle of the sleeve, and the included angle between the powder feeding pipe and the axis of the sleeve is 30-60 degrees.
Preferably, the included angle between the inner conical surface of the conical cover and the axis of the sleeve is 60-80 degrees, and the middle part of the conical cover is provided with a through hole with the diameter of 5-8 mm.
Preferably, the powder feeding pipes are uniformly distributed along the outer circumference of the sleeve, and the number is determined according to the maximum number of powder feeding types.
Preferably, the sleeve, the powder feeding pipe and the conical cover are made of any one of ceramics, red copper and copper alloy.
Compared with the prior art, the invention has the beneficial effects that:
(1) The welding gun sleeve device provided by the invention is matched with a traditional consumable electrode gas shielded welding gun for use, has a simple structure, is low in cost, is convenient to replace, and is easy for standardized production.
(2) The device provided by the invention firstly conveys powder into the sleeve through the multipath powder conveying pipe, and then the powder is conveyed into the Kong Huiru molten pool at the center of the conical cover, so that the interference of strong powder conveying airflow to the molten pool, caused by direct powder injection, on an electric arc and the molten pool is avoided, and the process adaptability is strong.
(3) The device provided by the invention is easy to realize the combined conveying of wires and various powder, and can flexibly regulate and control the local components of the arc additive manufacturing part and structure by regulating the types and the powder feeding amount of the multiple paths of powder connected with the powder feeding pipe in real time, so that the local performance of the part and the structure can be regulated and controlled in a targeted manner according to the requirements of users.
(4) The device provided by the invention is suitable for arc additive manufacturing of various metal material combined parts and structures, and is also suitable for manufacturing of particle reinforced metal matrix composite parts and structures.
Drawings
Fig. 1 is a schematic diagram of the overall structure of a welding gun sleeve for wire-powder simultaneous feeding for arc additive manufacturing.
Fig. 2 is a schematic cross-sectional view of a welding gun sleeve for wire-powder simultaneous feeding in arc additive manufacturing according to the present invention.
Reference numerals illustrate: 1. a sleeve; 2. a powder feeding pipe; 3. a conical cover.
Detailed Description
The present invention will be described in detail below with reference to the drawings and the specific embodiments thereof, which are for explanation of the present invention only, but not for limitation of the present invention.
As shown in fig. 1 and 2, the invention discloses a welding gun sleeve for wire-powder simultaneous feeding for arc additive manufacturing, which mainly comprises a sleeve 1, a powder feeding pipe 2 and a conical cover 3, wherein the welding gun sleeve is matched with a consumable electrode gas shielded welding gun for use; the sleeve 1 is of a cylindrical structure, a boss is arranged on the outer circle of the sleeve 1, and a plurality of inclined holes leading to the inside of the sleeve 1 are distributed on the boss; the powder feeding pipe 2 is of an elongated cylindrical structure and is fixedly connected with the sleeve 1 through an inclined hole on the boss; the conical cover 3 is positioned at the lower end of the sleeve 1 and fixedly connected with the sleeve 1.
Specifically, one end of the powder feeding pipe 2 is provided with external threads, the inclined hole on the boss of the sleeve 1 is provided with internal threads matched with the external threads of the powder feeding pipe 2, and the powder feeding pipe 2 is fixedly connected with the sleeve 1 through the threads.
Specifically, the lower extreme excircle of sleeve 1 is equipped with the external screw thread, cone cover 3 is equipped with the internal screw thread with sleeve 1 lower extreme external screw thread assorted, through above-mentioned screw thread fixed connection between cone cover 3 and the sleeve 1.
Specifically, the inner hole of the sleeve 1 is divided into two parts, the diameter and depth of the inner hole at one end matched with the welding gun are determined by the size of the welding gun head, and an inverted cone shrinkage opening is formed in the inner hole at one end matched with the cone cover 3.
Specifically, the powder feeding pipe 2 is perpendicular to the boss plane of the outer circle of the sleeve 1, and the included angle between the powder feeding pipe 2 and the axis of the sleeve 1 is 30-60 degrees.
Specifically, the included angle between the inner conical surface of the conical cover 3 and the axis of the sleeve 1 is 60-80 degrees, and a through hole with the diameter of 5-8mm is arranged in the middle of the conical cover 3.
Specifically, the powder feeding pipes 2 are uniformly distributed along the outer circumference of the sleeve 1, and the number is determined according to the maximum number of powder feeding types.
Specifically, the sleeve 1, the powder feeding pipe 2 and the conical cover 3 are made of any one of ceramics, red copper and copper alloy.
Examples
A welding gun sleeve for wire-powder simultaneous feeding for arc additive manufacturing is composed of a main body structure consisting of a sleeve 1, a powder feeding tube 2 and a conical cover 3. The outer circle of the sleeve 1 is provided with a boss, a plurality of internal threaded holes are distributed on the boss, and the outer circle of the lower end is provided with external threads; one end of the powder feeding pipe 2 is externally threaded and is connected with an internal threaded hole on the boss; the conical cover 3 is provided with internal threads and is fixed at the external thread end of the sleeve 1; the whole welding gun sleeve is matched with a consumable electrode gas shielded welding gun. The inner hole of the sleeve 1 is divided into two parts, the diameter and depth of the inner hole of one end matched with the welding gun are determined by the size of the welding gun head, and an inverted cone-shaped shrinkage opening is formed in the inner hole of one end matched with the cone-shaped cover 3; the powder feeding pipe 2 is perpendicular to a boss plane of the outer circle of the sleeve 1 and forms an included angle of 30-60 degrees with the axis of the sleeve 1; the inner conical surface of the conical cover 3 forms an included angle of 60-80 degrees with the axis of the sleeve 1, and a through hole with the diameter of 5-8mm is arranged in the middle of the conical cover 3. The sleeve 1, the powder feeding pipe 2 and the conical cover 3 can be made of any one of ceramics, red copper or copper alloy.
The welding gun sleeve for arc additive manufacturing is sleeved at the end part of an MIG welding gun (consumable electrode gas shielded welding gun), so that the combination of single or multiple powder materials and wires can be realized, and finally the additive manufactured product of the particle-metal composite material customized part or the composite layered composite material of multiple materials is formed.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the particular embodiments disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.
Claims (5)
1. The utility model provides a welding gun sleeve that silk-powder sent simultaneously for electric arc material increase manufacturing, is by sleeve (1), send powder pipe (2) and cone cover (3) to constitute, welding gun sleeve uses its characterized in that with consumable electrode gas shielded welding welder is supporting: the sleeve (1) is of a cylindrical structure, a boss is arranged on the outer circle of the sleeve (1), and a plurality of inclined holes leading to the inside of the sleeve (1) are distributed on the boss; the powder feeding pipe (2) is of an elongated cylindrical structure and is fixedly connected with the sleeve (1) through an inclined hole on the boss; the conical cover (3) is positioned at the lower end of the sleeve (1) and is fixedly connected with the sleeve (1);
The powder feeding pipe (2) is perpendicular to a boss plane of the outer circle of the sleeve (1), and an included angle between the powder feeding pipe (2) and the axis of the sleeve (1) is 30-60 degrees; the included angle between the inner conical surface of the conical cover (3) and the axis of the sleeve (1) is 60-80 degrees, and a through hole with the diameter of 5-8mm is formed in the middle of the conical cover (3);
one end of the powder feeding pipe (2) is provided with external threads, the inclined hole on the boss of the sleeve (1) is provided with internal threads matched with the external threads of the powder feeding pipe (2), and the powder feeding pipe (2) is fixedly connected with the sleeve (1) through the threads.
2. The wire-powder co-feed gun sleeve for arc additive manufacturing of claim 1, wherein: the lower extreme excircle of sleeve (1) is equipped with the external screw thread, toper lid (3) be equipped with sleeve (1) lower extreme external screw thread assorted internal screw thread, through above-mentioned screw thread fixed connection between toper lid (3) and sleeve (1).
3. The wire-powder co-feed gun sleeve for arc additive manufacturing of claim 1, wherein: the inner hole of the sleeve (1) is divided into two parts, the diameter and depth of the inner hole at one end matched with the welding gun are determined by the size of the welding gun head, and an inverted cone-shaped necking is formed in the inner hole at one end matched with the cone-shaped cover (3).
4. The wire-powder co-feed gun sleeve for arc additive manufacturing of claim 1, wherein: the powder conveying pipes (2) are uniformly distributed along the outer circumference of the sleeve (1), and the quantity is determined according to the maximum quantity of powder conveying types.
5. The wire-powder co-feed gun sleeve for arc additive manufacturing according to any one of claims 1 to 4, wherein: the sleeve (1), the powder feeding pipe (2) and the conical cover (3) are made of any one of ceramics, red copper and copper alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910600102.XA CN110193647B (en) | 2019-07-04 | 2019-07-04 | Welding gun sleeve for simultaneous wire-powder feeding for arc additive manufacturing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910600102.XA CN110193647B (en) | 2019-07-04 | 2019-07-04 | Welding gun sleeve for simultaneous wire-powder feeding for arc additive manufacturing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110193647A CN110193647A (en) | 2019-09-03 |
| CN110193647B true CN110193647B (en) | 2024-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910600102.XA Active CN110193647B (en) | 2019-07-04 | 2019-07-04 | Welding gun sleeve for simultaneous wire-powder feeding for arc additive manufacturing |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110560904B (en) * | 2019-09-16 | 2021-08-31 | 哈尔滨工业大学 | Multi-beam-flow-assisted laser-electric arc hybrid welding method |
| CN110587139A (en) * | 2019-10-09 | 2019-12-20 | 西安增材制造国家研究院有限公司 | Coaxial wire and powder feeding printing nozzle and additive manufacturing device for arc laser |
| CN110560690A (en) * | 2019-10-15 | 2019-12-13 | 湖北汽车工业学院 | electric arc additive manufacturing method of particle-targeted reinforced metal matrix composite component |
| CN110548961A (en) * | 2019-10-15 | 2019-12-10 | 湖北汽车工业学院 | metal-based layered composite material and electric arc additive manufacturing method thereof |
| CN112475539A (en) * | 2020-11-23 | 2021-03-12 | 上海应用技术大学 | Multi-wire metal arc fuse wire additive manufacturing device |
| CN114951930A (en) * | 2021-02-23 | 2022-08-30 | 深圳先进技术研究院 | Plasma arc additive manufacturing device and method |
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| CN110193647A (en) | 2019-09-03 |
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