CN113649717A - Multipurpose double-freedom-degree AC swing head and using method - Google Patents
Multipurpose double-freedom-degree AC swing head and using method Download PDFInfo
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- CN113649717A CN113649717A CN202110948646.2A CN202110948646A CN113649717A CN 113649717 A CN113649717 A CN 113649717A CN 202110948646 A CN202110948646 A CN 202110948646A CN 113649717 A CN113649717 A CN 113649717A
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- rotary table
- hollow rotary
- freedom
- degree
- reflecting mirror
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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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
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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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/20—Bonding
- B23K26/21—Bonding by welding
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Laser Beam Processing (AREA)
Abstract
The invention provides a multi-purpose double-freedom-degree AC swing head and a using method thereof, the swing head comprises a fixed block, a first reflecting mirror and a second reflecting mirror, one end of the fixed block is provided with a first hollow rotary table in a penetrating way, one end of the first reflecting mirror is connected with the power output end of the first hollow rotary table, the other end of the first reflecting mirror is provided with a second hollow rotary table, one end of the second reflecting mirror is connected with the power output end of the second hollow rotary table, a conveying ring is arranged in the fixed block, the conveying ring and the first hollow rotary table are both provided with wiring holes in a penetrating way, the novel hollow rotary table is matched with a stepping motor to drive, the inside-outside aperture ratio meets the built-in light path, meets the built-in passing of a water path, a gas path and a circuit, and greatly improves the environment of an electric circuit, and the light path adopts twice refraction, realizes that two degrees of freedom can both 360 degrees of free rotation, really realizes the free positioning of three-dimensional arbitrary position.
Description
Technical Field
The invention discloses a multipurpose double-freedom-degree AC swing head and a using method thereof, and relates to the technical field of laser welding swing heads.
Background
Laser cutting is to irradiate a workpiece with a focused high-power-density laser beam to quickly melt, vaporize and ablate the irradiated material or reach a burning point, and simultaneously blow off the molten material by means of a high-speed airflow coaxial with the beam, thereby realizing the cutting of the workpiece. Laser cutting is one of the thermal cutting methods.
At present, AC swing head type cutting is mostly a DD motor mechanism, and the existing method has the following defects: 1. the DD motor has a large volume and a small ratio of the through hole to the outer diameter; 2. DD has low universality and high price; according to the problems and conditions existing in the practice, some patented inventions are improved from the AC swing head main shaft of the traditional machine, the optical path and the air path waterway are arranged externally, so that the degree of freedom of rotation is limited, or the externally-hung welding gun and the swing head are directly adopted simply and roughly. The 360-degree free rotation cannot be realized. Furthermore, welding and cutting can not be integrated, so that a multipurpose double-freedom-degree AC swing head and a using method thereof are urgently needed to solve the problems.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a multipurpose double-freedom-degree AC swing head and a using method thereof, so as to solve the problems in the background technology, the invention adopts the latest hollow rotary table matched with a stepping motor for driving, has large aperture ratio inside and outside, meets the requirement of built-in optical path, meets the requirement of built-in passage of a water path, an air path and a circuit, greatly improves the environment of an electric circuit, realizes 360-degree free rotation of two degrees of freedom by adopting twice refraction of the optical path, and really realizes free positioning of three-dimensional arbitrary positions.
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a multipurpose two degree of freedom AC balance head, includes fixed block, speculum one, speculum two, the one end of fixed block is run through and is provided with cavity revolving platform one, the power take off end at cavity revolving platform one is connected to the one end of speculum one, the other end of speculum one is provided with cavity revolving platform two, the power take off end at cavity revolving platform two is connected to the one end of speculum two, the inside transport ring that is provided with of fixed block, transport ring, cavity revolving platform one all run through and have seted up the line hole, the input of transport ring is provided with the straight joint.
Furthermore, a power output end of the first hollow rotary table is provided with a first hollow output shaft, the first hollow rotary table is connected with the first reflecting mirror through the first output shaft, one end, close to the first reflecting mirror, of the first output shaft is further provided with a first sealing head, and a power input end of the first hollow rotary table is provided with a first input shaft.
Furthermore, a hollow output shaft II is arranged at the power output end of the hollow rotary table II, the hollow rotary table II is connected with the reflecting mirror II through the output shaft II, and an input shaft II is arranged at the power input end of the hollow rotary table II.
Further, the fixed cover in outside of carrying the ring is equipped with the ring cover, carry the ring to rotate with the fixed block through the ring cover and be connected, carry the ring to deviate from the one end of straight joint and be connected with output shaft one, the ring cover is close to the one end of straight joint and is provided with head two.
And furthermore, one end of the second end socket close to the straight joint is provided with a splicing thread groove, and the second end socket is in threaded connection with the straight joint through the splicing thread groove.
Furthermore, the first reflecting mirror and the second reflecting mirror are both right-angle reflecting mirrors, an electric vibrating mirror is arranged inside the second reflecting mirror, and a welding gun connector is arranged at the output end of the second reflecting mirror.
Further, the use method of the multipurpose two-degree-of-freedom AC swing head comprises the following steps:
step (1), an electric circuit sequentially penetrates through the conveying ring and wiring holes on the first hollow rotary table to penetrate through two ends of the fixed block and is connected with a welding gun, the welding gun is arranged on a welding gun connector, and stepping motors are arranged at power input ends of the first hollow rotary table and the second hollow rotary table to provide power;
step (2), the direct joint is connected with an external laser source, and laser is transmitted to a welding gun for laser welding through the direct joint, the conveying ring, the first hollow rotary table, the first reflecting mirror, the second hollow rotary table and the second reflecting mirror in sequence;
and (3) rotating the first hollow rotary table to drive the first reflector to rotate 360 degrees by taking the first hollow rotary table as an axis, rotating the second hollow rotary table to drive the second reflector to rotate 360 degrees by taking the second hollow rotary table as an axis, and driving a welding gun to synchronously act to adjust the welding angle by the second reflector.
Further, in the step (1), welding guns of different models are installed by replacing welding gun connectors of different models.
Further, in the step (2), the laser transmission diameter is required to be smaller than the maximum diameter of the direct head for transmitting the laser.
Further, in the step (3), an electric vibrating mirror is additionally arranged in the second reflecting mirror to enable the laser to swing.
The invention has the beneficial effects that:
1. the invention utilizes the first hollow rotary table and the second hollow rotary table to provide power, the inside and outside aperture ratio is large, the laser passing performance is high, the built-in light path is met, the light path is refracted twice through the two reflectors, the two reflectors are driven by the hollow rotary table, the two degrees of freedom can be freely rotated by 360 degrees, and the three-dimensional free positioning at any position is really realized;
2. the hollow rotary table I, the hollow rotary table II and the conveying ring meet the requirement that a water path, a gas path and a circuit are arranged in the conveying ring, and the environment of an electric circuit is greatly improved.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic structural diagram of a multi-purpose two-degree-of-freedom AC pendulum head according to the present invention;
FIG. 2 is a front view of a multi-purpose two-degree-of-freedom AC pendulum head of the present invention;
FIG. 3 is a right side view of a multi-purpose two degree of freedom AC pendulum of the present invention;
FIG. 4 is a schematic diagram of an explosive structure of a multi-purpose two-degree-of-freedom AC pendulum head according to the present invention;
in the figure: 1 fixed block, 2 hollow rotary table I, 21 output shaft I, 22 input shaft I, 23 end socket I, 3 reflector I, 4 stepping motor, 5 hollow rotary table II, 51 input shaft II, 52 output shaft II, 6 reflector II, 61 welding gun joint, 7 straight joint, 8 electric circuit, 9 ring sleeve, 91 end socket II and 10 conveying ring.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a multipurpose two degree of freedom AC yaw, including fixed block 1, speculum one 3, speculum two 6, the one end of fixed block 1 is run through and is provided with cavity revolving platform one 2, the power take off end at cavity revolving platform one 2 is connected to the one end of speculum one 3, the other end of speculum one 3 is provided with cavity revolving platform two 5, the power take off end at cavity revolving platform two 5 is connected to the one end of speculum two 6, fixed block 1 inside is provided with transport ring 10, cavity revolving platform one 2 all runs through and has seted up the line hole of walking, the input of transport ring 10 is provided with straight head 7, the problem of the yaw formula welding yaw light path in the past and gas path water route adoption are external has been solved, lead to rotatory degree of freedom to be restricted.
The specific working principle is as follows: firstly, sequentially penetrating an electric circuit 8 through a conveying ring 10 and wiring holes on a first hollow rotary table 2 to penetrate through two ends of a fixed block 1, connecting the electric circuit 8 with a welding gun, then installing the welding gun on a welding gun connector 61, and installing welding guns of different models by replacing welding gun connectors 61 of different models; the power input ends of the first hollow rotary table 2 and the second hollow rotary table 5 are provided with stepping motors 4 for providing power;
the direct joint 7 is connected with an external laser source, and laser is transmitted to a welding gun for laser welding through the direct joint 7, the conveying ring 10, the first hollow rotary table 2, the first reflecting mirror 2, the second hollow rotary table 5 and the second reflecting mirror 6 in sequence;
the stepping motor 4 is electrified to drive the first hollow rotary table 2 to rotate to drive the first reflecting mirror 2 to rotate 360 degrees by taking the first hollow rotary table 2 as an axis, the second hollow rotary table 5 rotates to drive the second reflecting mirror 6 to rotate 360 degrees by taking the second hollow rotary table 5 as an axis, and the second reflecting mirror 6 drives the welding gun to synchronously move to adjust the welding angle, so that the two degrees of freedom can freely rotate 360 degrees, and the three-dimensional free position can be really positioned; in addition, an electric vibrating mirror is additionally arranged in the second reflecting mirror 6 to enable laser to swing, so that the welding swinging function is realized, and the electric vibrating mirror can be opened and closed as required, so that the welding and cutting integration is realized.
The invention utilizes the first hollow rotary table 2 and the second hollow rotary table 5 to provide power, the inside and outside aperture ratio is large, the laser passing performance is high, and the built-in light path is satisfied;
in addition, the first hollow rotary table 2, the second hollow rotary table 5 and the conveying ring 10 meet the requirement that a water path, a gas path and a circuit are all internally provided with a passage, so that the environment of an electric circuit 8 is greatly improved; and the light path is refracted twice through the two reflectors, the two reflectors are driven by the hollow rotary table, the two degrees of freedom can be freely rotated by 360 degrees, and the free positioning of any three-dimensional position is really realized.
In addition, the invention provides a using method of the multipurpose double-freedom-degree AC swing head, which comprises the following steps:
step (1), an electric line 8 sequentially penetrates through the conveying ring 10 and a wiring hole on a first hollow rotary table 2 to penetrate through two ends of a fixed block 1 and is connected with a welding gun, the welding gun is installed on a welding gun connector 61, and the welding guns of different models are installed by replacing the welding gun connectors 61 of different models; the power input ends of the first hollow rotary table 2 and the second hollow rotary table 5 are provided with stepping motors 4 for providing power;
step (2), the straight joint 7 is connected with an external laser source, laser is transmitted to a welding gun for laser welding through the straight joint 7, the conveying ring 10, the first hollow rotary table 2, the first reflecting mirror 2, the second hollow rotary table 5 and the second reflecting mirror 6 in sequence, and the laser transmission diameter is smaller than the maximum diameter of the laser transmitted by the straight joint 7;
and (3) rotating the first hollow rotary table 2 to drive the first reflector 2 to rotate 360 degrees by taking the first hollow rotary table 2 as an axis, rotating the second hollow rotary table 5 to drive the second reflector 6 to rotate 360 degrees by taking the second hollow rotary table 5 as an axis, driving the second reflector 6 to drive a welding gun to synchronously act to adjust the welding angle, and additionally arranging an electric vibrating mirror in the second reflector 6 to enable the laser to swing.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. The utility model provides a multipurpose two degree of freedom AC yaw, includes fixed block (1), speculum one (3), speculum two (6), its characterized in that: the one end of fixed block (1) is run through and is provided with cavity revolving platform (2), the power take off end at cavity revolving platform (2) is connected to the one end of speculum (3), the other end of speculum (3) is provided with cavity revolving platform two (5), the power take off end at cavity revolving platform two (5) is connected to the one end of speculum two (6), fixed block (1) inside is provided with carries ring (10), carry ring (10), cavity revolving platform (2) and all run through and have seted up the walk line hole, the input of carrying ring (10) is provided with straight head (7).
2. The multi-purpose two-degree-of-freedom AC pendulum of claim 1, wherein: the power output end of the first hollow rotary table (2) is provided with a first hollow output shaft (21), the first hollow rotary table (2) is connected with the first reflector (3) through the first output shaft (21), one end, close to the first reflector (3), of the first output shaft (21) is further provided with a first seal head (23), and the power input end of the first hollow rotary table (2) is provided with a first input shaft (22).
3. The multi-purpose two-degree-of-freedom AC pendulum of claim 1, wherein: the power output end of the second hollow rotary table (5) is provided with a second hollow output shaft (52), the second hollow rotary table (5) is connected with the second reflector (6) through the second output shaft (52), and the power input end of the second hollow rotary table (5) is provided with a second input shaft (51).
4. The multi-purpose two-degree-of-freedom AC pendulum of claim 1, wherein: the outside fixed cover of carrying ring (10) is equipped with ring cover (9), carry ring (10) to rotate with fixed block (1) through ring cover (9) and be connected, carry ring (10) to deviate from the one end of straight joint (7) and be connected with output shaft (21), the one end that ring cover (9) are close to straight joint (7) is provided with head two (91).
5. The multi-purpose two-degree-of-freedom AC pendulum head of claim 4, wherein: and one end of the second end socket (91) close to the straight joint (7) is provided with a splicing thread groove, and the second end socket (91) is in threaded connection with the straight joint (7) through the splicing thread groove.
6. The multi-purpose two-degree-of-freedom AC pendulum of claim 1, wherein: the first reflecting mirror (3) and the second reflecting mirror (6) are both right-angle reflecting mirrors, an electric vibrating mirror is arranged inside the second reflecting mirror (6), and a welding gun connector (61) is arranged at the output end of the second reflecting mirror (6).
7. The method of using a multi-purpose two-degree-of-freedom AC pendulum head as claimed in any one of claims 1 to 6, comprising the steps of:
step (1), an electric circuit (8) sequentially penetrates through a conveying ring (10) and wiring holes in a first hollow rotary table (2) to penetrate through two ends of a fixed block (1) and is connected with a welding gun, the welding gun is installed on a welding gun connector (61), and stepping motors (4) are installed at power input ends of the first hollow rotary table (2) and a second hollow rotary table (5) to provide power;
step (2), the straight joint (7) is connected with an external laser source, and laser is transmitted to a welding gun for laser welding through the straight joint (7), the conveying ring (10), the first hollow rotary table (2), the first reflecting mirror (2), the second hollow rotary table (5) and the second reflecting mirror (6) in sequence;
and (3) rotating the first hollow rotary table (2) to drive the first reflector (2) to rotate 360 degrees by taking the first hollow rotary table (2) as an axis, rotating the second hollow rotary table (5) to drive the second reflector (6) to rotate 360 degrees by taking the second hollow rotary table (5) as an axis, and driving a welding gun to synchronously act to adjust the welding angle by the second reflector (6).
8. The method of claim 7 for using a multi-purpose two-degree-of-freedom AC swing head, comprising: in the step (1), welding guns of different models are installed by replacing welding gun joints (61) of different models.
9. The method of claim 7 for using a multi-purpose two-degree-of-freedom AC swing head, comprising: in the step (2), the laser transmission diameter is required to be smaller than the maximum diameter of the direct head (7) for transmitting laser.
10. The method of claim 7 for using a multi-purpose two-degree-of-freedom AC swing head, comprising: in the step (3), an electric vibrating mirror is additionally arranged in the second reflecting mirror (6) to enable the laser to swing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110948646.2A CN113649717A (en) | 2021-08-18 | 2021-08-18 | Multipurpose double-freedom-degree AC swing head and using method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110948646.2A CN113649717A (en) | 2021-08-18 | 2021-08-18 | Multipurpose double-freedom-degree AC swing head and using method |
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| CN113649717A true CN113649717A (en) | 2021-11-16 |
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| CN202110948646.2A Pending CN113649717A (en) | 2021-08-18 | 2021-08-18 | Multipurpose double-freedom-degree AC swing head and using method |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2917912Y (en) * | 2006-05-31 | 2007-07-04 | 中国科学院沈阳自动化研究所 | Two freedom degree laser light path transmission structure |
| CN104551384A (en) * | 2013-12-09 | 2015-04-29 | 大连光洋科技工程有限公司 | Direct-driven three-dimensional laser machining head for alternating-current permanent magnet synchronous torque motor |
| CN204657740U (en) * | 2015-05-19 | 2015-09-23 | 济南微尔激光设备有限公司 | A kind of full three-dimensional light-guiding transmission system of laser cutting machine |
| CN205111073U (en) * | 2015-11-09 | 2016-03-30 | 常州科乐为数控科技有限公司 | Cutting head follow -up height -regulating device and laser cutting machine |
| CN208437821U (en) * | 2018-07-09 | 2019-01-29 | 深圳市奥华激光科技有限公司 | A kind of optical fiber sequential welding swing plumb joint |
| CN109865948A (en) * | 2019-04-02 | 2019-06-11 | 南京林业大学 | A kind of five axis laser cutting machine tool yaws |
| CN213497197U (en) * | 2020-08-12 | 2021-06-22 | 武汉中谷联创光电科技股份有限公司 | Three-dimensional laser cutting machine |
-
2021
- 2021-08-18 CN CN202110948646.2A patent/CN113649717A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2917912Y (en) * | 2006-05-31 | 2007-07-04 | 中国科学院沈阳自动化研究所 | Two freedom degree laser light path transmission structure |
| CN104551384A (en) * | 2013-12-09 | 2015-04-29 | 大连光洋科技工程有限公司 | Direct-driven three-dimensional laser machining head for alternating-current permanent magnet synchronous torque motor |
| CN204657740U (en) * | 2015-05-19 | 2015-09-23 | 济南微尔激光设备有限公司 | A kind of full three-dimensional light-guiding transmission system of laser cutting machine |
| CN205111073U (en) * | 2015-11-09 | 2016-03-30 | 常州科乐为数控科技有限公司 | Cutting head follow -up height -regulating device and laser cutting machine |
| CN208437821U (en) * | 2018-07-09 | 2019-01-29 | 深圳市奥华激光科技有限公司 | A kind of optical fiber sequential welding swing plumb joint |
| CN109865948A (en) * | 2019-04-02 | 2019-06-11 | 南京林业大学 | A kind of five axis laser cutting machine tool yaws |
| CN213497197U (en) * | 2020-08-12 | 2021-06-22 | 武汉中谷联创光电科技股份有限公司 | Three-dimensional laser cutting machine |
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