Band opens the hand held two-way disengaging stick electrode welding rifle of shadow shield automatically
Technical field
The present invention relates to stick electrode welding rifle, the hand held two-way disengaging welding rod for opening shadow shield automatically more particularly to band is electric
Welding gun.
Background technology
The species of electric welding is a lot, including manual metal-arc welding, submerged-arc welding, shielded arc welding of tungsten electrode gas, plasma arc welding (PAW), consumable electrode
Gas shielded arc welding etc..When having welded, people will first put on very thick and heavy special clothing, then take dedicated facemask,
So as to which spark caused by preventing from welding is splashed with people, and prevent from producing strong ultraviolet during welding and hurt eyes and
Mask will be first removed when skin, and thick and heavy work clothes, operating people inconvenient and uncomfortable, and welding every time, is certain about weldering
Contact, then take mask and welded, it is troublesome in poeration, reduce processing efficiency.
The content of the invention
The shortcomings that the invention aims to overcome prior art to exist, there is provided automatically that welding rod is gradual during one kind welding
Release, and left and right two of electric torch can successively work, front glass opens gear and welded automatically when improving welding efficiency, and welding
Contact is closely located, and shading performance is good, and closure upwards automatic when not in use, guarantee has the open visual field, easy to operate, structure letter
Single, the good band of security opens the hand held two-way disengaging stick electrode welding rifle of shadow shield automatically.
Band of the present invention open automatically shadow shield hand held two-way disengaging stick electrode welding rifle technical scheme be:Its feature exists
In including handle, left microswitch, right microswitch and conductor connecting seat are set on handle, left connection is formed with conductor connecting seat
Groove, right link slot, spring eye, upper connecting screw hole and cable aperture, cable is set in cable aperture, the two side of the left link slot is opened
There is left pin-and-hole, left pin-and-hole distribution connects left drawing ring, left contact is set on left drawing ring, and left contact is in contact with left microswitch,
Left drawing ring connects left lever, and the other end of left lever connects left fixed plate, left front glass, left fixed plate are set in left fixed plate
In be provided with left groove, left groove inwall is formed with left rotary shaft, and the two side of the right link slot is provided with right pin-and-hole, right pin-and-hole distribution
Right draw ring is connected, right contact is set on right draw ring, right contact is in contact with right microswitch, and right draw ring connects right pull bar, right drawing
The other end of bar connects right fixed plate, and right front glass is set in right fixed plate, is provided with right groove in right fixed plate, in right groove
Wall is formed with right spindle, the spring eye connecting spring, and one of spring is in contact with left drawing ring, the other end of spring and right draw ring
It is in contact, conductor chute is set on conductor connecting seat, insulating boot is set outside conductor chute, conductor chute is through fastener with leading
The upper connecting screw hole of body connecting seat is mutually fixed, and left axle hole and right axle are provided with conductor chute and corresponding insulating boot two side
Hole, left axle hole are engaged with left rotary shaft, and right axle hole is engaged with right spindle, and screw mandrel, a company of screw mandrel are set in conductor chute
Motor is connect, sliding block is set on screw mandrel, sliding block coordinates with wire rod thread, and welding rod fixture block is set on sliding block, is provided with welding rod fixture block
Left folder hole and right folder hole, left folder hole or right folder hole are engaged with welding rod.
The hand held two-way for opening shadow shield automatically the invention discloses a kind of band passes in and out stick electrode welding rifle, during work, first
By the left folder hole of welding rod insertion welding rod fixture block or right folder hole(Depending on the position of welding rod fixture block, if welding rod fixture block is located at conductor
The left side of chute, then welding rod is inserted to the right folder hole of welding rod fixture block from right side, if welding rod fixture block is located at the right side of conductor chute,
Left folder hole by welding rod from left side insertion welding rod fixture block), handle of stopping then is held, pulls left drawing ring or right draw ring downwards with finger
(When welding rod inserts from left side, finger pulls left drawing ring, and when welding rod inserts from right side, finger pulls right draw ring).Finger is pulled
During left drawing ring, left drawing ring is rotated down using pin and left pin-and-hole as the center of circle, and left drawing ring pulls left lever to move downward, left lever
Other end drives left fixed plate to be rotated using left rotary shaft and left axle hole as the center of circle, so that left fixed plate drives left front glass
Be flipped up, make left front glass gear in the position close to pad, and simultaneously left drawing ring drive left contact downwards with left fine motion
The button of switch is in contact, and left microswitch controlled motor starts to rotate forward, and the output shaft of motor drives screw mandrel to rotate forward, screw mandrel and cunning
Block screw thread coordinates, and screw mandrel rotating band movable slider is gradually moved to the left, and sliding block drives welding rod fixture block to be gradually moved to the left, welding rod fixture block
Drive welding rod to be gradually moved to the left, welding rod is constantly exported in welding, when welding rod is lost to latter end position, stop weldering
Connect, remnants welding rod taken out, now insert complete welding rod in the right folder hole of welding rod fixture block from right side, and be fixedly clamped,
People need the electric torch rotating 180 °, the pipette tips on right side is pulled right draw ring against weld, then with finger, right draw ring with
Pin and right pin-and-hole are rotated down for the center of circle, and right draw ring pulls right pull bar to move downward, and the other end of right pull bar drives right fixation
Plate is rotated using right spindle and right axle hole as the center of circle, so that right fixed plate drives right front glass to be flipped up, makes right screening
Light glass is kept off in the position close to pad, and right draw ring drives button of the right contact downwards with right microswitch to connect simultaneously
Touch, right microswitch controlled motor starts to invert, and the output shaft of motor drives screw mandrel reversion, and screw mandrel coordinates with sliding block screw thread, silk
Bar rotating band movable slider gradually moves right, and sliding block drives welding rod fixture block gradually to move right, and welding rod fixture block drives welding rod gradual
Move right, welding rod is constantly exported in welding, until welding rod is lost to end.This programme band opens shadow shield automatically
Hand held two-way passes in and out stick electrode welding rifle, and one, in welding, left and right draw ring drives left and right fixed plate and left and right front glass
Automatically hold up, and keep off and closely locating in pad, shading performance is good, and people need not also pass through thick special tool without veiled
Take, easy to operate, operator is more comfortable, and security performance is more preferable, and when unclamping left and right draw ring and stopping welding, left and right fixation
Plate and left and right front glass downwardly turn over automatically, prevent that blocking people observes pad, the visual field is openr;2nd, a left side for pipette tips
Right both sides can export welding rod and be welded, and when sliding block and welding rod fixture block are moved to the left side of pipette tips, can export welding rod to the right
Welded, when sliding block and welding rod fixture block are moved to the right side of pipette tips, welding rod can be exported to the left and be welded, relative to one side
The structure of welding rod is exported, after screw mandrel band movable slider and the completion welding of welding rod fixture block, it is also necessary to wait a period of time to be driven by screw mandrel
Next action could be carried out after sliding block and electrode carrier block reset, this electric torch can effectively improve efficiency, and the left and right sides can export
Welding rod, save the time of sliding block and electrode carrier block reset.
Band of the present invention opens the hand held two-way disengaging stick electrode welding rifle of shadow shield automatically, and a left side is provided with described insulating boot
Observation window and right observation window.When welding rod to be inserted to the left folder hole of welding rod fixture block or right folder hole, can be observed by observation window,
Be advantageous to welding rod to be alignd with left and right folder hole.A left side is provided with described conductor chute and the side wall of corresponding insulating boot to wear
Hole and right perforation, fastener hole being provided with the side wall of welding rod fixture block, fastener is engaged through left perforation and fastener hole with welding rod, or
Person's fastener is engaged through right perforation and fastener hole with welding rod.When by welding rod insert welding rod fixture block left folder hole or right folder hole
Afterwards, left perforation is passed through by fastener, tightened with fastener hole screw thread, or fastener passes through right perforation, is twisted with fastener hole screw thread
Tightly, after fastener is tightened, the welding rod in its butt welding of end parts bar fixture block is clamped, and ensures reliable clamping, when avoiding welding, welding rod
Abjection, after electrode welding terminates, after loosening fasteners, you can take out welding rod.Described left fixed plate and right fixed plate
On be formed respectively with grab, upper convex tendon and lower block, grab, upper convex tendon and the lower block in left fixed plate match with left front glass
Close, grab, upper convex tendon and the lower block in right fixed plate are engaged with right front glass.Left and right front glass is when being caught in, profit
Make upper convex tendon slight deformation with the elasticity of plastics, then front glass is caught in grab, after front glass is caught in completely, upper convex tendon
For gear in front glass upper end, grab is stuck in the left and right sides of front glass, and lower block keeps off in the bottom of front glass, it is fixed
Reliably.
Brief description of the drawings
Fig. 1 is the schematic perspective view for the hand held two-way disengaging stick electrode welding rifle that band of the present invention opens shadow shield automatically;
Fig. 2 is the structural representation for the hand held two-way disengaging stick electrode welding rifle that band of the present invention opens shadow shield automatically;
Fig. 3 is the schematic perspective view of insulating boot;
Fig. 4 is the schematic perspective view of conductor chute;
Fig. 5 is the structural representation of conductor connecting seat;
Fig. 6 is close-up schematic view at Fig. 2 A;
Fig. 7 is the schematic perspective view of welding rod fixture block;
Fig. 8 is the structural representation that sliding block is set in welding rod fixture block;
Fig. 9 is conductor connecting seat and left drawing ring, right draw ring, spring mated condition schematic perspective view;
Figure 10 is the schematic perspective view that front glass is set in fixed plate;
Figure 11 is the circuit diagram for the hand held two-way disengaging stick electrode welding rifle that band opens shadow shield automatically.
Embodiment
The hand held two-way for opening shadow shield automatically the present invention relates to a kind of band passes in and out stick electrode welding rifle, such as Fig. 1-Figure 11
It is shown, it is characterised in that:Including handle 1, left microswitch 11, right microswitch 12 and conductor connecting seat 2 are set on handle, led
Left link slot 21, right link slot 22, spring eye 23, upper connecting screw hole 25 and cable aperture 93 are formed with body connecting seat, in cable aperture
Cable 94 is set, and the two side of the left link slot 21 is provided with left pin-and-hole 26, and left pin-and-hole distribution connects left drawing ring 3, left drawing ring
Upper to set left contact 31, left contact is in contact with left microswitch 11, and left drawing ring connection left lever 32, the other end of left lever connects
Left fixed plate 33 is connect, left front glass 34 is set in left fixed plate, left groove 35 is provided with left fixed plate, left groove inwall is formed with
Left rotary shaft 36, the two side of the right link slot 22 are provided with right pin-and-hole 27, and right pin-and-hole distribution connects right draw ring 4, on right draw ring
Right contact 41 is set, and right contact is in contact with right microswitch 12, and right draw ring connects right pull bar 42, the other end connection of right pull bar
Right fixed plate 43, right front glass 44 is set in right fixed plate, right groove 45 is provided with right fixed plate, right groove inwall is formed with the right side
Rotating shaft 46, the connecting spring 28 of spring eye 23, one of spring are in contact with left drawing ring 3, the other end of spring and right draw ring 4
It is in contact, conductor chute 5 is set on conductor connecting seat 2, insulating boot 50 is set outside conductor chute, conductor chute is through fastener
Fixed with the phase of upper connecting screw hole 25 of conductor connecting seat, left axle hole is provided with conductor chute and corresponding insulating boot two side
51 and right axle hole 52, left axle hole be engaged with left rotary shaft 36, right axle hole is engaged with right spindle 46, and screw mandrel is set in conductor chute
53, a connection motor 54 of screw mandrel, sliding block 55 is set on screw mandrel, sliding block coordinates with wire rod thread, and welding rod is set on sliding block
Fixture block 56, left folder hole 57 and right folder hole 58 is provided with welding rod fixture block, left folder hole or right folder hole are engaged with welding rod 59.During work,
Welding rod 59 is first inserted to the left folder hole 57 or right folder hole 58 of welding rod fixture block 56(Depending on the position of welding rod fixture block, if electrode carrier
Block is located at the left side of conductor chute 5, then welding rod 59 is inserted to the right folder hole 58 of welding rod fixture block 56 from right side, if welding rod fixture block is located at
The right side of conductor chute 5, then welding rod is inserted to the left folder hole 57 of welding rod fixture block from left side), handle 1 of stopping then is held, uses finger
Pull left drawing ring 3 or right draw ring 4 downwards(When welding rod 59 inserts from left side, finger pulls left drawing ring, and welding rod inserts from right side
When, finger pulls right draw ring).When finger pulls left drawing ring, left drawing ring is rotated down with pin and left pin-and-hole 26 for the center of circle, Zola
Ring 3 pulls left lever 32 to move downward, and the other end of left lever drives left fixed plate 33 with left rotary shaft 36 and left axle hole 51 for circle
The heart is rotated, so that left fixed plate 33 drives left front glass 34 to be flipped up, makes left front glass gear in close welding
The position of point, and left drawing ring 3 drives button of the left contact 31 downwards with left microswitch 11 to be in contact simultaneously, left microswitch control
Motor 54 processed starts to rotate forward, and the output shaft of motor drives screw mandrel 53 to rotate forward, and screw mandrel coordinates with the screw thread of sliding block 55, and screw mandrel rotation drives
Sliding block is gradually moved to the left, and sliding block drives welding rod fixture block 56 to be gradually moved to the left, and welding rod fixture block drives welding rod 59 gradually to moving to left
It is dynamic, welding rod is constantly exported in welding, when welding rod is lost to latter end position, stop welding, remnants welding rod is taken out,
Now complete welding rod is inserted in the right folder hole 58 of welding rod fixture block 56 from right side, and is fixedly clamped, people need this being welded
Rifle rotates 180 °, the pipette tips on right side is pulled right draw ring 4 against weld, then with finger, right draw ring is with pin and right pin-and-hole 27
It is rotated down for the center of circle, right draw ring pulls right pull bar 42 to move downward, and the other end of right pull bar drives right fixed plate 43 to turn right
Axle 46 and right axle hole 52 are that the center of circle is rotated, so that right fixed plate 43 drives right front glass 44 to be flipped up, make right screening
Light glass is kept off in the position close to pad, and right draw ring 4 drives button of the right contact 41 downwards with right microswitch 12 simultaneously
It is in contact, right microswitch controlled motor 54 starts to invert, and the output shaft of motor drives screw mandrel 53 to invert, screw mandrel and the spiral shell of sliding block 55
Line coordinates, and screw mandrel rotating band movable slider gradually moves right, and sliding block drives welding rod fixture block 56 gradually to move right, welding rod fixture block band
Dynamic welding rod 59 gradually moves right, and welding rod is constantly exported in welding, until welding rod is lost to end.This programme band is automatic
Open the hand held two-way disengaging stick electrode welding rifle of shadow shield, one, in welding, left and right draw ring 3,4 drives left and right fixed plate
33rd, 43 and left and right front glass 34,44 hold up automatically, and keep off closely locate in pad, shading performance is good, and people are without band
Mask, thick special clothing need not be also passed through, easy to operate, operator is more comfortable, and security performance is more preferable, and a release left side,
When right draw ring 3,4 stops welding, left and right fixed plate 33,43 and left and right front glass 34,44 downwardly turn over automatically, prevent from blocking
People observe pad, and the visual field is openr;2nd, the left and right sides of pipette tips can export welding rod 59 and be welded, when sliding block 55
When being moved to the left side of pipette tips with welding rod fixture block 56, welding rod can be exported to the right and be welded, when sliding block and welding rod fixture block are moved to
During the right side of pipette tips, welding rod can be exported to the left and be welded, relative to the unilateral structure for exporting welding rod 59, slided when screw mandrel 53 drives
After block 55 and welding rod fixture block 56 complete welding, it is also necessary to wait a period of time by ability after screw mandrel band movable slider and electrode carrier block reset
Next action is carried out, this electric torch can effectively improve efficiency, and the left and right sides can export welding rod, save sliding block and welding rod fixture block is answered
The time of position.Left observation window 61 and right observation window 62 are provided with described insulating boot 50.Welding rod 59 is being inserted into welding rod fixture block 56
Left folder hole 57 or during right folder hole 58, can be observed by observation window, be advantageous to welding rod and alignd with left and right folder hole.Institute
Left perforation 63 and right perforation 64 are provided with the conductor chute 5 and the side wall of corresponding insulating boot 50 stated, in welding rod fixture block 56
Side wall is provided with fastener hole 65, and fastener is engaged through left perforation and fastener hole with welding rod 59, or fastener passes through right perforation
It is engaged with fastener hole with welding rod.After welding rod to be inserted to the left folder hole 57 or right folder hole 58 of welding rod fixture block 56, pass through fastener
Through left perforation 63, tightened with fastener hole screw thread, or fastener is tightened, fastener through right perforation 64 with fastener hole screw thread
After tightening, the welding rod 59 in its butt welding of end parts bar fixture block 56 is clamped, and ensures reliable clamping, when avoiding welding, welding rod abjection,
After electrode welding terminates, after loosening fasteners, you can take out welding rod.In described left fixed plate 33 and right fixed plate 43
It is formed respectively with grab 71, upper convex tendon 72 and lower block 73, grab, upper convex tendon and the lower block in left fixed plate and left front glass
34 are engaged, and the grab, upper convex tendon and lower block in right fixed plate are engaged with right front glass 44.Left and right front glass 34,
44 when being caught in, and makes the upper slight deformation of convex tendon 72 using the elasticity of plastics, then front glass is caught in into grab 71, works as front glass
After being caught in completely, upper convex tendon gear is in front glass upper end, and grab is stuck in the left and right sides of front glass, and lower block 73 is kept off in shading
The bottom of glass, it is fixed reliably.Welding rod sends out circuit by left microswitch 11, right microswitch 12, motor 54, relay
K1, relay K2 are formed, and when left and right draw ring 3,4 does not pull, left and right microswitch is off, and now motor stops
Turn;When pulling left drawing ring 3, left contact 31 presses the button of left microswitch 11, and left microswitch 11 is connected, and relay K1 leads to
Electricity, relay K1 normally opened contact KM1 closures are powered, and normally-closed contact KM1-2 disconnects, and motor rotates forward;When pulling right draw ring 4,
Right contact 41 presses the button of right microswitch 12, and right microswitch 12 is connected, and relay K2 is powered, and the normally opened of relay K2 touches
Point KM2 closures are powered, and normally-closed contact KM2-2 disconnects, motor reversal.