CN106077903A - A kind of rotary arc sensor - Google Patents
A kind of rotary arc sensor Download PDFInfo
- Publication number
- CN106077903A CN106077903A CN201610621498.2A CN201610621498A CN106077903A CN 106077903 A CN106077903 A CN 106077903A CN 201610621498 A CN201610621498 A CN 201610621498A CN 106077903 A CN106077903 A CN 106077903A
- Authority
- CN
- China
- Prior art keywords
- conducting rod
- motor
- arc sensor
- rotation
- rotary arc
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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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
- B23K9/12—Automatic feeding or moving of electrodes or work for spot or seam welding or cutting
- B23K9/127—Means for tracking lines during arc welding or cutting
-
- 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
- B23K9/321—Protecting means
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
Abstract
This application discloses a kind of rotary arc sensor, including housing, conducting rod, motor and eccentric throw adjustment structure, described conducting rod is installed in housing by upper centring ball bearing, described motor be connected to conducting rod and can drive the above self-aligning ball bearing of conducting rod be summit do circular cone swing, described eccentric throw adjustment structure acts on described conducting rod its swing cone angle of scalable, the signal pickup assembly that conducting rod rotary speed and angle position are detected it is additionally provided with in described housing, the outer sheath of described conducting rod is provided with anti-rotation block, this anti-rotation block has an anti-rotation cavity planted for conducting rod, this anti-rotation cavity has end face and the bottom surface of arc, and vertical sidewall, it is parallel with the inwall of anti-rotation cavity that conducting rod is positioned at the outer wall of this anti-rotation cavity.This novel anti-rotation block can bear the collision of conducting rod, plays damping effect, and insulate with conducting rod.
Description
Technical field
The application relates to a kind of rotary arc sensor.
Background technology
The arc sensor using rotary scanning mode work is referred to as rotary arc sensor.Rotary arc sensor is one
Plant special welding gun, though structurally ratio swing type electric arc sensor complex, but there is prominent superiority: high speed rotating increases
The detection sensitivity of welding gun position deviation, drastically increases tracking accuracy；High speed rotating improves fast response characteristic, suitable
For high-speed welding and the weld joint tracking of sheet lap, occupy an important position at arc welding process automation field.
Rotary arc sensor generally comprises conducting rod, drives conducting rod to do the motor of coning motion, eccentric adjustable mechanism
Deng, the rotation of the isolated degree of freedom that conducting rod rotates around himself axis, referred to as conducting rod, can cause between conducting rod and welding wire
Friction, greatly reduce the service life of conducting rod, it is necessary to be any limitation as with a rotation-preventing mechanism.Owing to conducting rod needs bias
Revolution, can not be in close contact between anti-rotation block and conducting rod, it is necessary to leave certain interval, but so also result in conducting rod
Rotation cannot the problem of Complete Bind.
Ascending air from the bottom to top can be produced in welding process Water collecting cover, the ferrum steam that welding wire process is formed simultaneously,
Plus the splashing reason in welding process, have the most tiny iron shot and dust enters enclosure interior with ascending air, seriously
The service life of the parts such as the bearing within Ying Xiang.
It addition, traditional rotary arc sensor there is also, Water collecting cover is inconvenient to dismantle, motor-driven loss is high, machinery shakes
Move the technical problems such as big.
Summary of the invention
It is an object of the invention to provide a kind of rotary arc sensor, to overcome deficiency of the prior art.
For achieving the above object, the present invention provides following technical scheme:
The open a kind of rotary arc sensor of the embodiment of the present application, including housing, conducting rod, motor and eccentric throw adjustment structure,
Described conducting rod is installed in housing by upper centring ball bearing, and described motor is connected to conducting rod and can drive more than conducting rod
Self-aligning ball bearing is that circular cone swing is done on summit, and described eccentric throw adjustment structure acts on described conducting rod its swing cone of scalable
Angle, is additionally provided with the signal pickup assembly detecting conducting rod rotary speed and angle position in described housing, described in lead
The outer sheath of electric pole is provided with anti-rotation block, and this anti-rotation block has an anti-rotation cavity planted for conducting rod, and this anti-rotation cavity has
Having the end face of arc and bottom surface and vertical sidewall, conducting rod is positioned at outer wall and the anti-rotation cavity of this anti-rotation cavity
Wall is parallel.
Preferably, in above-mentioned rotary arc sensor, the material of described anti-rotation block is polyflon.
Preferably, in above-mentioned rotary arc sensor, described signal pickup assembly is connected to monolithic by reverser
Machine, is connected with photoelectrical coupler and power amplification driving chip in turn between single-chip microcomputer and motor.
Preferably, in above-mentioned rotary arc sensor, described motor is hollow shaft motor, and it includes being sheathed on conduction
Hollow axle outside bar, being fixed on the rotor outside hollow axle and the stator outside sheathed rotor, stator is fixed on outside motor
On shell, between shell and hollow axle, it is provided with bearing.
Preferably, in above-mentioned rotary arc sensor, upper conducting rod that described conducting rod includes axially being sequentially connected with,
Lower conducting rod and ignition tip.
Preferably, in above-mentioned rotary arc sensor, described upper conducting rod, screw thread between lower conducting rod and ignition tip
Coordinate.
Compared with prior art, it is an advantage of the current invention that:
1, the rotary arc sensor that hollow shaft motor drives has simple in construction, power transmission loss is little, motor power consumption is low, welding gun is little
The advantages such as the most flexibly, mechanical vibration are little, access for welding is good.
2, the granule such as iron shot and dust effectively can be stopped by arranging dust cap, it is to avoid it affects bearing etc.
Service life.
3, gas-collecting sleeve uses with lower cover and threadeds, and processes annular knurl at its outer cylinder surface so that it is be easy to dismounting, this
Sample can be easily to being easily cleaned by spatter, airborne dust contamination part, and be conveniently replaceable ignition tip.
4, this novel anti-rotation block can bear the collision of conducting rod, plays damping effect, and insulate with conducting rod.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present application or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this
Some embodiments described in application, for those of ordinary skill in the art, on the premise of not paying creative work,
Other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 show the sectional view of rotary arc sensor in the specific embodiment of the invention；
Fig. 2 show the structural representation of motor in the specific embodiment of the invention；
Fig. 3 show the mounting structure schematic diagram of encoder in the specific embodiment of the invention；
Fig. 4 show the structural representation of Split encoder in the specific embodiment of the invention；
Fig. 5 show the structural representation of anti-rotation block in the specific embodiment of the invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out detailed retouching
State, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments.Based on the present invention
In embodiment, the every other enforcement that those of ordinary skill in the art are obtained on the premise of not making creative work
Example, broadly falls into the scope of protection of the invention.
Shown in Fig. 1, rotary arc sensor, including housing 1, conducting rod 2, motor 3 and eccentric throw adjustment structure 4,
Conducting rod 2 is installed in housing 1 by upper centring ball bearing 5, and motor 3 is connected to conducting rod 2 and conducting rod 2 can be driven to raise
Heart ball bearing 5 does circular cone for summit and swings, and described eccentric throw adjustment structure 4 acts on described conducting rod 2 its swing of scalable
Cone angle, is additionally provided with the signal pickup assembly 6 detecting conducting rod rotary speed and angle position in housing 1.
Housing 1 includes upper shell 101, water flowing chamber enclosure 102 and the Water collecting cover 103 set gradually, the outer sheath of conducting rod 2
Being provided with a dust cap 7, the inner chamber of upper shell and water flowing chamber enclosure is separated by this dust cap 7.
In this technical scheme, ascending air from the bottom to top, welding wire process simultaneously can be produced in welding process Water collecting cover
The ferrum steam formed, adds the splashing reason in welding process, has the most tiny iron shot and dust and enters with ascending air
Enclosure interior, has a strong impact on the service life of the parts such as internal bearing.Can be to iron shot and dust etc. by arranging dust cap
Granule effectively stops.
Further, signal pickup assembly is connected to single-chip microcomputer by reverser, is sequentially connected with between single-chip microcomputer and motor
There are photoelectrical coupler and power amplification driving chip.
In this technical scheme, using single-chip microcomputer to make digitial controller, speed governing is more accurate, stable；Whole circuit is simple, saves
Unnecessary peripheral circuit, anti-interference by force, and low cost.
Further, venting cavity shell 105 and lower cover it are disposed with between water flowing chamber enclosure 102 and gas-collecting sleeve 103
104, to be fixed by screw between the end of lower cover 104 and venting cavity shell 105, the bottom of lower cover 104 has protruded out connecting portion
1041, the top of gas-collecting sleeve 103 is sheathed on described connecting portion, between gas-collecting sleeve 103 and connecting portion by thread contact face even
Connecing, the outer surface of gas-collecting sleeve is recessed is formed with annular knurl.
In this technical scheme, gas-collecting sleeve uses with lower cover threadeds, and processes annular knurl at its outer cylinder surface so that it is
It is easy to dismounting, so can be easily to being easily cleaned by spatter, airborne dust contamination part, and be conveniently replaceable conduction
Mouth.
Further, the bottom of gas-collecting sleeve is shunk tapered.
Further, it is provided with insulating lid 105 between the contact surface of lower cover and venting cavity shell 105.
Shown in Fig. 2, motor 3 hollow shaft motor, it includes being sheathed on the hollow axle 31 outside conducting rod 2, is fixed on
Rotor 32 outside hollow axle 31 and the stator 33 outside sheathed rotor, stator 33 is fixed on motor housing 34, shell 34
And it is provided with bearing 35 between hollow axle 31.
Further, conducting rod 2 includes upper conducting rod 21, lower conducting rod 22 and the ignition tip 23 being axially sequentially connected with.
Further, threaded engagement between upper conducting rod 21, lower conducting rod 22 and ignition tip 23.
Further, upper shell 101 includes that the upper cover 1011 set gradually up and down, encoder are fixed outside lid 1012, main chamber
Shell 1013, motor fixed cover 1014 and middle chamber enclosure 1015, screw 8 sequentially passes through upper cover 1011, lid 1012 fixed by encoder, master
Chamber enclosure 1013, motor fixed cover 1014 and middle chamber enclosure 1015 realize fixing each other, and the shell 34 of motor is fixed on electricity
On the fixing lid 1014 of machine.
Further, upper centring ball bearing 5 is arranged in upper cover 1011, sets between upper centring ball bearing 5 and upper cover 1011
It is equipped with upper bearing sleeve 501.
Further, water flowing chamber enclosure 102 surrounds a cooling cavities 1021, and water service pipe 9 sequentially passes through upper cover 1011, coding
Lid 1012 fixed by device, main chamber enclosure 1013, motor fixed cover 1014 connect with cooling cavities 1021 with middle chamber enclosure 1015.
In this technical scheme, it is introduced from outside into cooling down water to realize the cooling to enclosure interior by water service pipe.
Further, eccentric throw adjustment structure 4 includes balance weight 401 and is sheathed on the downward outside conducting rod 2 successively
Heart ball bearing 402, lower bearing sleeve 403.
Shown in Fig. 3 and Fig. 4, signal pickup assembly 6 uses split type installation, is fixed on hollow axle 31 including sheathed
Coding disk 601 and be fixed on encoder by screw and fix the encoder 602 on lid 1012, encoder is solid towards encoder
Surely the side of lid 1012 has protruded out location division 6021, and 1012 surface engagement location divisions are recessed is formed with location for the fixing lid of encoder
Groove.
Further, the head of location division 6021 is formed with the guidance surface of taper.
In this technical scheme, by the location division matched and locating slot, encoder installation accuracy is high.
Shown in Fig. 5, the outer sheath of conducting rod 2 is provided with anti-rotation block 10, and this anti-rotation block 10 has one for conducting rod
The anti-rotation cavity 101 planted, this anti-rotation cavity has the end face of arc and bottom surface and vertical sidewall, and conducting rod is positioned at this
Outer wall in anti-rotation cavity is parallel with the inwall of anti-rotation cavity.
Further, the material of anti-rotation block 10 is polyflon.
In this technical scheme, when conducting rod revolution at a high speed, conducting rod self cannot turn round due to the restriction of block, and
Can only make uncertain swing in low-angle, this just requires that anti-rotation block can bear the collision of conducting rod, and is preferably
Can vibration damping.Meanwhile, anti-rotation block is fixed with frame, needs to insulate with conducting rod.It is thus desirable to select one impact
Toughness is high, the nonmetallic materials of high temperature insulation as the material of anti-rotation block, this case preferably employs polyflon.
It should be noted that in this article, the relational terms of such as first and second or the like is used merely to a reality
Body or operation separate with another entity or operating space, and deposit between not necessarily requiring or imply these entities or operating
Relation or order in any this reality.And, term " includes ", " comprising " or its any other variant are intended to
Comprising of nonexcludability, so that include that the process of a series of key element, method, article or equipment not only include that those are wanted
Element, but also include other key elements being not expressly set out, or also include for this process, method, article or equipment
Intrinsic key element.In the case of there is no more restriction, statement " including ... " key element limited, it is not excluded that
Including process, method, article or the equipment of described key element there is also other identical element.
The above is only the detailed description of the invention of the application, it is noted that for the ordinary skill people of the art
For Yuan, on the premise of without departing from the application principle, it is also possible to make some improvements and modifications, these improvements and modifications also should
It is considered as the protection domain of the application.
Claims (6)
1. a rotary arc sensor, it is characterised in that include housing, conducting rod, motor and eccentric throw adjustment structure, described
Conducting rod is installed in housing by upper centring ball bearing, and described motor is connected to conducting rod and conducting rod can be driven with upper centring
Ball bearing is that circular cone swing is done on summit, and described eccentric throw adjustment structure acts on described conducting rod its swing cone angle of scalable,
The signal pickup assembly that conducting rod rotary speed and angle position are detected, described conducting rod it is additionally provided with in described housing
Outer sheath be provided with anti-rotation block, this anti-rotation block have one for conducting rod plant anti-rotation cavity, this anti-rotation cavity has arc
The end face of shape and bottom surface and vertical sidewall, the inwall of outer wall and anti-rotation cavity that conducting rod is positioned at this anti-rotation cavity is put down
OK.
Rotary arc sensor the most according to claim 1, it is characterised in that: the material of described anti-rotation block is polytetrafluoro
Vinyl.
Rotary arc sensor the most according to claim 1, it is characterised in that: described signal pickup assembly passes through reverser
It is connected to single-chip microcomputer, between single-chip microcomputer and motor, is connected with photoelectrical coupler and power amplification driving chip in turn.
Rotary arc sensor the most according to claim 1, it is characterised in that: described motor is hollow shaft motor, its bag
Include and be sheathed on hollow axle outside conducting rod, be fixed on the rotor outside hollow axle and the stator outside sheathed rotor, stator
It is fixed on motor housing, between shell and hollow axle, is provided with bearing.
Rotary arc sensor the most according to claim 1, it is characterised in that: described conducting rod includes axially being sequentially connected with
Upper conducting rod, lower conducting rod and ignition tip.
Rotary arc sensor the most according to claim 5, it is characterised in that: described upper conducting rod, lower conducting rod and lead
Threaded engagement between sparking plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610621498.2A CN106077903A (en) | 2016-08-02 | 2016-08-02 | A kind of rotary arc sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610621498.2A CN106077903A (en) | 2016-08-02 | 2016-08-02 | A kind of rotary arc sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106077903A true CN106077903A (en) | 2016-11-09 |
Family
ID=57479833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610621498.2A Pending CN106077903A (en) | 2016-08-02 | 2016-08-02 | A kind of rotary arc sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106077903A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107990923A (en) * | 2017-12-28 | 2018-05-04 | 长春禹衡光学有限公司 | A kind of Split encoder |
| CN109570701A (en) * | 2019-01-18 | 2019-04-05 | 闫国庆 | A kind of rotary arc sensor |
| CN109732618A (en) * | 2019-01-23 | 2019-05-10 | 国家电网有限公司 | It is a kind of for the inspection machine people of pump-storage generator and its control method |
| CN110524130A (en) * | 2019-09-25 | 2019-12-03 | 哈尔滨科能熔敷科技有限公司 | A kind of rotary welding gun for deposition equipment |
| CN110547845A (en) * | 2019-09-29 | 2019-12-10 | 重庆西山科技股份有限公司 | Grinding handle power transmission mechanism with adjustable swing angle and grinding tool |
| WO2020056918A1 (en) * | 2018-09-17 | 2020-03-26 | 闫国庆 | Rotating arc sensor |
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| CN104493333A (en) * | 2014-11-21 | 2015-04-08 | 南昌航空大学 | Rotating arc sensor for shared-welding-pool twin-wire tandem sequence welding |
| CN105665903A (en) * | 2016-04-07 | 2016-06-15 | 湘潭大学 | Double-thread rotary electric arc sensor |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107990923A (en) * | 2017-12-28 | 2018-05-04 | 长春禹衡光学有限公司 | A kind of Split encoder |
| WO2020056918A1 (en) * | 2018-09-17 | 2020-03-26 | 闫国庆 | Rotating arc sensor |
| CN109570701A (en) * | 2019-01-18 | 2019-04-05 | 闫国庆 | A kind of rotary arc sensor |
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| CN109570701B (en) * | 2019-01-18 | 2024-06-25 | 闫国庆 | Rotary arc sensor |
| CN109732618A (en) * | 2019-01-23 | 2019-05-10 | 国家电网有限公司 | It is a kind of for the inspection machine people of pump-storage generator and its control method |
| CN110524130A (en) * | 2019-09-25 | 2019-12-03 | 哈尔滨科能熔敷科技有限公司 | A kind of rotary welding gun for deposition equipment |
| CN110547845A (en) * | 2019-09-29 | 2019-12-10 | 重庆西山科技股份有限公司 | Grinding handle power transmission mechanism with adjustable swing angle and grinding tool |
| CN110547845B (en) * | 2019-09-29 | 2024-05-10 | 重庆西山科技股份有限公司 | Grinding handle power transmission mechanism with adjustable swing angle and grinding tool |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161109 |
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| RJ01 | Rejection of invention patent application after publication |