Detailed description of the invention
As shown in Figure 1 to Figure 3, lead-acid battery polar group welder, comprise frame 6, pole group's horizontal transferring device 61 is provided with between described frame 6 head and afterbody, lead-acid battery pole group to be welded inputs from the head of pole group's horizontal transferring device 61, pole group's horizontal transferring device 61 comprises chain, transportation sprocket 612 is provided with at frame head and afterbody, wherein afterbody is drive sprocket, head is driven sprocket, also tightener sprocket is provided with between drive sprocket and driven sprocket, below frame aft, be provided with pole group carry motor 611, described pole group carries motor 611 to drive drive sprocket to rotate by driving chain.
Pole group's welder is provided with at the middle part of frame 6, it is inner that pole group's welder entirety is positioned at casing 65, be divided into pole group management area A and pole group's welding region B before and after it, pole group carries out pole group's arrangement at pole group management area A, and in pole, group's welding region B carries out pole group's welding.
Described pole group's welder comprises two groups of pole groups and welds module 5, and described pole group welds pole group's weld jig 52 that module 5 comprises base 51 and is located at above base.Described base comprises base plate 511 and the parallel top board be located at above base plate, base 511 is provided with the jig lifting mechanism of driving stage group weld jig 52 lifting, described jig lifting mechanism comprises the fixture lifting cylinder 516 being vertically installed on base center, base is provided with support column 514 outside fixture lifting cylinder 516, support column upper end roof supporting, fixture lifting cylinder is installed on top board, the piston rod of described fixture lifting cylinder is connected with pole group's weld jig 52, described pole group's weld jig 52 4 jiaos is provided with vertical fixture guide post 521, described base is provided with the guiding sliding sleeve 515 slid through for fixture guide post.
Be provided with lead-acid battery pole group at central rack to weld module reciprocating conveying device and make lead-acid battery pole group weld module to move back and forth between pole group management area A and pole group's welding region B, described lead-acid battery pole group welds the pole group be arranged side by side about module reciprocating conveying device is included in the middle part of frame 6 and welds module reciprocating drive unit 63, described pole group welds module reciprocating drive unit 63 and pole group and welds module and to be connected and driving stage group welds module 5 transversely horizontal reciprocating movement, described pole group weld module reciprocating drive unit 63 comprise pole group weld module drive leading screw 631, described pole group welds module and drives leading screw 631 to weld module drive motors 632 by pole group and drive, described base bottom is provided with the feed screw nut 512 welding module with pole group and drive leading screw to coordinate.Described pole group welds module and drives leading screw 631 left and right sides to be arranged side by side line slide rail 633, and before and after described base, both sides are equipped with linear slider 513 and are slidably matched with line slide rail 633.
Described frame 6 corresponding pole group management area A is provided with pole group's detent mechanism and pole group is positioned to make pole group enter pole group's weld jig, and the structure that this pole group's detent mechanism can adopt positioning cylinder to be elevated realizes; Described frame is provided with three-axis numerical control mechanism 64 in group's welding region B top position, corresponding pole, and described three-axis numerical control mechanism 64 is connected with firelock mouth 641, and described three-axis numerical control mechanism drives the motion of firelock mouth to weld the pole group that pole group welds in module 5.
Lead-acid battery pole group is made up of the pole group unit that some groups are arranged in order, as shown in Figure 4 and Figure 5, described pole group's weld jig 52 comprises the formwork for holding pole group 3, pole group 3 is made up of the pole group unit that some groups are arranged in order, pole group is provided with lug 31, and the both positive and negative polarity pole of two consecutive roots group units couples together.On described formwork, middle side part is provided with interfix plate 2, in the middle part of described interfix plate, the left and right sides is provided with lug location-plate 1, described interfix plate 2 to be located at above pole group 3 and to be driven lifting by lifting-positioning device, described lug location-plate 1 is concordant with lug 31 level of pole group and driven by horizontal location drive unit, is provided with the lug location structure positioned the lug 31 of pole group 3 between described interfix plate and lug location-plate.
Concrete, described lug location structure comprises the sawtooth 21 being located at the interfix plate left and right sides, and is located at the comb 11 inside lug location-plate, and described comb head is provided with the pointed nose with sawtooth tooth socket fit.Sawtooth is isosceles trapezoidal structure, and comb root is rectangle, and pointed nose shape is isosceles trapezoid.Lug is positioned in the gap between adjacent fingers, and comb pointed nose and sawtooth tooth socket fit are automatic guides when locating for the ease of shaping.
In addition, described lug location-plate is provided with the pole locating slot 13 placing pole group's pole.Pole locating slot position is corresponding with pole position, and pole is placed wherein, pole and lug integrally melting welding when adding thermofussion welding.
As shown in Figure 6, in an initial condition, interfix plate 2 first presses down under lifting-positioning device drives, and first pole group is flattened and Primary Location.
As shown in Figure 7, then lug location-plate 1 is more simultaneously to centre extruding, lug shaping is located.
As shown in Figure 8, after lug shaping, just can carry out adding thermofussion welding, the shape chamber formed due to fixture is higher than lug, plumbous liquid outflow when can prevent from freezing, be convenient to the shaping of melting welding and bus-bar, lug stretches into clamp type cavity segment for adding thermofussion welding, and its height regulates by the thin and thick of lug location-plate.
Above-mentioned lifting-positioning device and horizontal location drive unit, can adopt cylinder, hydraulic cylinder or motor.
As shown in Figure 9 and Figure 10, between the both positive and negative polarity of lead-acid battery pole group two consecutive roots group unit, arrange a plumbous bridge 4, the both positive and negative polarity of this plumbous bridge and two consecutive roots group units adds thermofussion welding.
Lead-acid battery pole group adds thermofussion welding bridge structure and comprises lug location-plate 1, lug location-plate arranges the plumbous bridge 4 both positive and negative polarity of two consecutive roots group units being added thermofussion welding connection, and described plumbous bridge comprises U-shaped pontic portion 41 and is located at the L shape foot section 42 of the left and right sides bottom U-shaped pontic portion.
Described lug location-plate is provided with the gripper shoe 12 supporting described plumbous bridge between two consecutive roots groups.This gripper shoe is used for the isolation of bus-bar when pole group welds on the one hand, in addition plumbous bridge 4 is played to the effect of positioning support.Wherein plumbous bridge is die casting molding structure, therefore disposable by the plumbous bridge of a secondary die forming more than one piece.
This plumbous bridge directly can add thermofussion welding with the pole of two consecutive roots group both positive and negative polarities and be connected, and traditional pole group can be added thermofussion welding operation and gap bridge welder sequence is disposable completes.
The L shape foot section 42 of this plumbous bridge is connected with lug, can thicken and also can lengthen, just may be used for when adding thermofussion welding filling bus-bar, the thickness of bus-bar is by the size Control of L shape foot section 42, thus when eliminating welding, fuse the operation that leads assists leading to weld, be convenient to realize automation.
The above-mentioned thermofussion welding that adds mentioned comprises flame and freezes and electrical heating melting welding two kinds of modes.Flame is adopted to freeze in the present embodiment.
Wherein, as shown in Figure 2, the above-mentioned horizontal location drive unit 53 for lug location comprises clamp leading screw 531, described clamp leading screw 531 is driven by fixture drive motors 532, described clamp leading screw 531 is provided with two lug location feed screw nuts 533, described two lugs location feed screw nut 533 is connected with both sides lug location-plate 1 respectively, in addition, clamp guide rod 534 is arranged with in parallel in clamp leading screw 531 both sides, lug location-plate 1 is also connected with clamp guide pin bushing, clamp guide pin bushing slides and is nested on clamp guide rod 534.
Pole group 3 is carried extremely after group management area A by pole group's horizontal transferring device 61, utilizes pole group's detent mechanism to carry out Primary Location to pole group; Now fixture lifting cylinder 516 is in raised configuration, pole group (being two groups of pole groups in the present embodiment) Primary Location will be organized in formwork more, then pole group's weld jig 52 is dropped to lug location-plate 1 and can clamp lug 31 place by the retraction of fixture lifting cylinder, then fixture drive motors 532 drives clamp leading screw 531 to rotate, two lug location feed screw nuts 533 drive lug location-plate to move to centre, thus clamping lug.Again by manually pole and plumbous bridge 4 being put into correspondence position, after completing, pole group welds module reciprocating drive unit 63 and pole group is welded module 5 entirety and move to pole group's welding region B, and another group pole group of former pole group's welding region B welds the driving that module welds module reciprocating drive unit 63 another pole group and moves down extremely group management area A simultaneously; The pole group having arrived pole group management area A welds module and has repeated pole group's housekeeping, and pole group welds after module arrived pole group's welding region B, three-axis numerical control mechanism 64 and firelock mouth 641 are started working, three-axis numerical control mechanism welds lug according to the shape chamber track of corresponding bus-bar, welded rear horizontal location drive unit 53 and unclamped lug, fixture lifting cylinder 516 rises.The pole group being now in pole group management area A welds module and also completes arrangement action, the two poles of the earth group welds module and can change over simultaneously again, and pole group's horizontal transferring device moves backward by promoting the pole group that welds of pole group's welding region B, and make pole group enter pole group to enter box region C.
Enter box region C the corresponding pole group of the afterbody of frame 6 to be provided with pole group pole group 3 being put into battery case and to enter case structure.Described pole group enters case structure and comprises pole group's pressing plate 621, is provided with pole group and enters box cylinder 622 driving stage group pressing plate 621 and be elevated above described pole group's pressing plate 621, and corner, group's pressing plate top, pole is provided with lifting guide post 623, and described lifting guide post 623 slides in lifting guide pin bushing.Carried by pole group's horizontal transferring device 61 by the pole group after pole group's welder has welded, stop conveying so that carry out pole group to enter box action when carrying extremely immediately below group's pressing plate 621 to make pole group, frame correspondence is provided with the pole group's positioning cylinder 613 positioned pole group, after pole group conveying puts in place, pole group's positioning cylinder 613 rises, stop that pole group continues conveying, pole group enters case structure and starts action, after pole group enters box, pole group's positioning cylinder 613 bounces back, and enters the pole group after box and continues on to next process with battery case.
Lead-acid battery polar group welder of the present invention is not adopt at present relatively more conventional cast welding mode, but adopts and add thermofussion welding principle, adds thermal weld with flame, and automatic welding, and production efficiency can 3 to 10 times of intelligent's work.Relative to cast welding mode conventional at present, main advantage is that production cost is low, be mainly reflected in following some: the fixture that 1, cast welding is used, mould, cast welding liquid, cut brush ear, these running stores of heating tube and easily an ancient egg-shaped, holed wind instrument part all can save need not, simplified technological process; 2, the lead melting furnace consuming large volume and electricity in cast welding also can save, and this bonding machine only adds thermofussion welding to what need the lug of welding to carry out local, can save energy consumption.
As shown in figure 12, for lead-acid battery pole group adds the another kind of structure of thermofussion welding fixture, its difference is that interfix plate 2 is for be separated by centre, and the location-plate separated by two pieces forms, such two pieces of location-plates separated can distinguish action, more accurate to make the location of lug.