CN2181917Y - Automatic arc light shading observation mirror - Google Patents
Automatic arc light shading observation mirror Download PDFInfo
- Publication number
- CN2181917Y CN2181917Y CN 93207021 CN93207021U CN2181917Y CN 2181917 Y CN2181917 Y CN 2181917Y CN 93207021 CN93207021 CN 93207021 CN 93207021 U CN93207021 U CN 93207021U CN 2181917 Y CN2181917 Y CN 2181917Y
- Authority
- CN
- China
- Prior art keywords
- arc light
- polaroid
- movable
- electromagnetic induction
- eyepiece
- 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.)
- Expired - Fee Related
Links
- 239000011521 glass Substances 0.000 claims abstract description 12
- 230000005674 electromagnetic induction Effects 0.000 claims abstract description 8
- 238000005476 soldering Methods 0.000 claims description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 3
- 238000003466 welding Methods 0.000 abstract description 11
- 229910000679 solder Inorganic materials 0.000 abstract description 4
- 230000001105 regulatory effect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 238000010891 electric arc Methods 0.000 description 5
- 230000000149 penetrating effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000010287 polarization Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
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- Projection Apparatus (AREA)
Abstract
The utility model discloses an automatic arc light shading sight glass for welding on helmet, this shading sight glass takes the binocular structure, every eyepiece is formed by coaxial movable polaroid and the overlapping of fixed polaroid, automatic control device comprises electromagnetic induction device and relay and reset spring, movable polaroid is by the relay drive, automatically regulated printing opacity intensity, can make electric welder clear observation solder joint condition all the time under the condition that has electroless arc light, both can play the safety protection effect, can improve welding quality and efficiency again.
Description
This utility model relates to a kind of Optical devices, is particularly useful for the automatic arc light shading sight glass on the welding hood.
Shading sight glass on the portable or wear-type face shield that present electric welder generally uses all is to adopt special chemical filter glass (filter glass), because the filter glass transmittance is less, can't see the situation of pad before electric arc ignites in welding process, though the face shield that has has the device of opening filter glass, also necessary hand-held, make troubles for welder's operation, influence welding quality and work efficiency.
This utility model provides a kind of in welding process at the problems referred to above, can clearly see weldment position situation before electric arc ignites, and moment can be regulated the automatic arc light shading sight glass of eyeglass penetrating light intensity automatically before electric arc ignited.
Function of the present utility model is to be finished by eyepiece and self-checking device.Each eyepiece is to be formed by co-axial fixedly polaroid and movable polarizing sheet arranged superposed; when two polaroids by the polarization direction quadrature arrangement time by after strength reduction be zero; when the polarization direction angle of cut of adjusting two polaroids is suitable; can obtain the desired light intensity of electric welding safeguard protection; the movable polarizing sheet of two eyepieces is driven by the relay that is installed on the mirror holder, and its power supply is provided by the electromagnetic induction device that is installed in the soldering turret afterbody.
This utility model is owing to adopt the control of polaroid printing opacity and self-checking device, light intensity can be regulated rapidly, because this shading sight glass is an instantaneous reduction light intensity before electric arc ignites, so can make the electric welder can observe the solder joint situation all the time, need not resemble in welding process and will frequently take face shield the former face shield or open filter glass, so can reduce unnecessary operation sequence, welder's both hands all can be used to operation, make welding have certain accuracy, and can improve work quality and efficient.
Below in conjunction with accompanying drawing this utility model is done and to be described in further detail:
Fig. 1 is this utility model installation diagram.
Fig. 2 is this utility model profile.
Fig. 3 is this utility model electromagnetic induction principle figure.
With reference to Fig. 1, Fig. 2, each eyepiece is to be formed by co-axial fixedly polaroid (1) and movable polarizing sheet (3) arranged superposed, the polaroid (1) that fixedly shakes is embedded in the inner groove of the fixedly polaroid outer ring (2) that has flange, movable polarizing sheet (3) is embedded in the inner groove of the movable polarizing sheet outer ring (5) that has driving lever (4), movable polarizing sheet outer ring periphery also has annular groove, so that form the raceway of ball (6).Have the circular hole of two installation polaroids on the mirror holder (7), annular groove and several uniform small sircle holes are respectively arranged in two holes, fixedly the flange of polaroid outer ring (2) promptly is embedded in the annular groove in this hole, movable polarizing sheet outer ring (5) connects with mirror holder by the ball (6) that is installed in the small sircle hole, ball (6) is supported by spring (8), set up the angle of two overlapping polaroid polarization directions during assembling, guarantee certain penetrating light intensity.Mirror holder (7) middle part also has two rectangular channels that relay coil (9) is installed, and the screw that manual adjustments bolt (10) is installed is arranged at the bottom, and swivel bolt (10) can manually be controlled penetrating light intensity.Automaton is by the relay coil (9) that is installed in two rectangular channels of mirror holder middle part, is fixed on the electromagnetic induction device (17) of soldering turret afterbody, pull bar (13), and back-moving spring (14) constitutes.Relay coil (9) center is equipped with secured core (11) and movable core (12) respectively, movable core (12) bottom prolongation is pull bar (13), pull bar (13) passes back-moving spring (14), the bearing pin of its bottom penetrates in the slotted hole of driving lever (4), and relay coil (9) connects with electromagnetic induction device (17) by screw (15).Mirror holder (7) is protected by protective cover (16).During work, the scratch start that afterwards ignites of switching on earlier between welding rod and weldment, therefore before electric arc ignited, with reference to figure (3), the electromagnetic induction device (17) that is installed in the automaton of soldering turret afterbody induced induced current, relay power from current carring cable (18).Secured core (11) is opposite with movable core (12) opposing end surface magnetic pole, movable core (12) is sucted to be moved, thereby draw two driving levers (4) on the compression reseting spring (14), movable polarizing sheet (3) is rotated to an angle, weaken penetrating light intensity, reach the welder's eyes of promptly not burning, can observe the purpose of solder joint situation again.Welding rod leaves weldment, and coil cuts off the power supply immediately, and under back-moving spring (14) effect, movable polarizing sheet (3) resets, and can observe the solder joint situation under the situation of no arc light.
Claims (1)
1, a kind of automatic arc light shading sight glass, by eyepiece, mirror holder and automaton constitute, it is characterized in that: each eyepiece is to be formed by co-axial fixedly polaroid (1) and movable polarizing sheet (3) arranged superposed, automaton is by the relay coil (9) that is installed in two rectangular channels of mirror holder middle part, be fixed on the electromagnetic induction device (17) of soldering turret afterbody, pull bar (13), back-moving spring (14) constitutes, relay coil (9) is equipped with fixedly ferrum stamen (11) and movable ferrum stamen (12) respectively, the bottom prolongation of movable ferrum stamen (12) is pull bar (13), pull bar (13) passes back-moving spring (14), the bearing pin of its bottom penetrates in the slotted hole of driving lever (4), and relay coil (9) connects with electromagnetic induction device (17) by screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93207021 CN2181917Y (en) | 1993-03-18 | 1993-03-18 | Automatic arc light shading observation mirror |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93207021 CN2181917Y (en) | 1993-03-18 | 1993-03-18 | Automatic arc light shading observation mirror |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2181917Y true CN2181917Y (en) | 1994-11-09 |
Family
ID=33789857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93207021 Expired - Fee Related CN2181917Y (en) | 1993-03-18 | 1993-03-18 | Automatic arc light shading observation mirror |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2181917Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104858543A (en) * | 2015-05-08 | 2015-08-26 | 肖叶 | Ultrasonic aluminum filament press welder electric viewer |
-
1993
- 1993-03-18 CN CN 93207021 patent/CN2181917Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104858543A (en) * | 2015-05-08 | 2015-08-26 | 肖叶 | Ultrasonic aluminum filament press welder electric viewer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |