A kind of stirring means
Technical field
The present invention relates to a kind of stirring means, in particular for the stirring means in the wave-soldering molten bath.
Background technology
In the industrial production, regular meeting relates to a kind of metal or alloy of fusion, the technology that makes itself and another kind of metal combine or adhere to.Because most metals contact with oxygen all can oxidation, as scruff (SnO and the SnO that produces in static tin stove or dynamic crest stove
2) promptly be the modal example of burning in a kind of industry.Under hot environment, especially under melting state, the situation of metal (or alloy) oxidation can be more violent, can form one deck oxide very soon, and poly-more many more.And adhere in the technical process that combines at motlten metal and other metals, the flow circuit that motlten metal must not stop, this can aggravate oxidation rate on the one hand, means that on the other hand the oxide on top layer and a spot of oxygen can be brought to below the liquid level, i.e. liquid internal.Oxidation can take place equally in inside so.Oxide will be carried the floating liquid level of going up of good metal secretly like this, form scum silica frost.Because the generation that do not stop of scum silica frost, emersion causes the scum silica frost accumulation more and more, and is folded, more and more thicker mutually layer by layer, influence liquid level after several hours and flows, even produce excessively, pollutes danger again.The scum silica frost that is produced can not normally participate in the production process that merges, can only constantly salvage out otherwise processed.Because of after salvaging scum silica frost, liquid level is not enough, even it is not enough to produce consumption, can only ceaselessly add and replenish new raw metal.
If the scruff residue that the stanniferous amount is high is thrown away and do not utilized, can cause waste.Available technology adopting is added the method for reducing agent scruff is reduced, but need in the reduction process to stir, at present in practice process, what adopt is gear rotation dynamic formula mixer, and very easily causing scolder and reacted mud shape thing to enter, existing stirring means blocks gear in the gear-box, cause the mixer cisco unity malfunction, life cycle is very short.
Summary of the invention
In whipping process, easily cause mixer to be blocked the problem that normally to use by dirts such as scruffs for overcoming stirring means of the prior art, the invention provides a kind of stirring means, this method can effectively avoid mixer stuck by scruff, increases work efficiency, and easy to use.
Stirring means disclosed by the invention comprises: a weldpool is provided, has fusion welding in the weldpool; Mixer is set on weldpool, and described mixer is included as the mixing component that stirs the Power Component that power is provided, the transmission component that transmits described power, reception power and fusion welding is stirred; Output shaft and driven pulley fixed axis that described transmission component comprises substrate and is fixed on the substrate and arranges from top to bottom, described output shaft can rotate under the driving of Power Component, be fixed with driving wheel and driven pulley respectively on described output shaft and the driven pulley fixed axis, described driving wheel and driven pulley are meshing with each other, and the engaging piece of described driving wheel and driven pulley is lower than the minimum point of output shaft and substrate junction; Described mixing component comprises main shaft and the secondary shaft that is fixedly attached to output shaft and driven pulley fixed axis respectively, is provided with stirring vane on described main shaft and the secondary shaft; The control position of mixer in described weldpool immersed in the fusion welding driving wheel and driven pulley, and the fusion welding liquid level is higher than the engaging piece of driving wheel and driven pulley, is lower than the minimum point of output shaft and substrate junction; Make the Power Component running, drive the rotation of main shaft and secondary shaft, fusion welding is stirred.
Among the present invention, above-mentioned engaging piece and output shaft about driven pulley and driving wheel, when comparing its height, concrete standard relatively all is defined as the peak of engaging piece and the minimum point of output shaft and substrate junction.For example, make the fusion welding liquid level be higher than the engaging piece of driving wheel and driven pulley, be lower than the minimum point of output shaft and substrate junction, promptly be expressed as the peak that makes the fusion welding liquid level be higher than the engaging piece of driving wheel and driven pulley, be lower than the minimum point that output shaft is connected with substrate.Under the particular condition, output shaft is multidiameter or the diminished shaft that cross section changes, and all can use among the present invention, and the peak that the minimum point of a need output shaft and substrate junction is higher than the engaging piece of driving wheel and driven pulley gets final product.For example, when output shaft is a multidiameter, the cross section of itself and substrate junction is less than the cross section of driving wheel bearing, during use, under the peak of the engaging piece of driving wheel and driven pulley is immersed in prerequisite in the fusion welding, the lower limb of driving wheel bearing on the output shaft can be immersed in the fusion welding, only need make the minimum point of output shaft and substrate junction be higher than fusion welding and get final product.
And driving wheel and driven pulley immerse in the fusion welding.For making the fusion welding liquid level be higher than the engaging piece of driving wheel and driven pulley, be lower than the minimum point of output shaft and substrate junction, driven pulley below being in major part at least is immersed in the fusion welding, and the driving wheel that is in the top has fraction to immerse in the fusion welding, be appreciated that, in the time of directly over driving wheel is in driven pulley, driven pulley then immerses in the fusion welding fully, and driving wheel then has fraction to be immersed in the fusion welding.
Usually, above-mentioned stirring means is for to place weldpool with mixer, the fusion welding liquid level is a horizontal plane, for ease of stirring, main shaft and secondary shaft all are in level, among the present invention, when relatively height concerns between the minimum point of engaging piece, output shaft and the substrate junction of fusion welding liquid level, driving wheel and driven pulley, all based on above-mentioned normal operating condition.
The inventor finds, in the prior art, in whipping process, gear is stuck by scum silica frost etc., usually gear is closed for fear of gear-driven shaft, avoid the interior gear of fusion welding and gear-box to contact, but, stirring, shaft must be immersed in the fusion welding, and shaft needs to be connected with gear simultaneously, to accept power.So fusion welding inevitably can flow between the gear along shaft, and gear that is closed and fusion welding separate, and a small amount of fusion welding that flows into can solidify between gear, causes gear stuck.
Among the present invention, be arranged in the fusion welding by the driving wheel and the driven pulley that will drive the shaft rotation, when stirring, control fusion welding liquid level is higher than the engaging piece of driving wheel and driven pulley, is lower than the minimum point of output shaft and substrate junction.Be immersed in the fusion welding by engaging piece, can avoid snapping in of scum silica frost, and fusion welding can not exert an influence to the running of driving wheel and driven pulley driving wheel and driven pulley.Simultaneously, drive the driving wheel running by output shaft, and the fusion welding liquid level is lower than the minimum point of output shaft and substrate junction, fusion welding can not flow out along output shaft.That is, can effectively avoid in the whipping process problem that gear is stuck by this method.
In the above-mentioned stirring means, mixer can be arranged on the weldpool by the whole bag of tricks, for example can be by modes such as liftings.
According to the present invention, under the preferable case, described mixer also comprises supporting component, and described supporting component comprises first support, second support, gripper shoe and connecting plate, and described first support, one end is fixed to the sidewall upper of substrate away from mixing component one side; Described main shaft and secondary shaft all are fixedly attached to described gripper shoe away from an end of substrate, and described connecting plate is fixedlyed connected with the gripper shoe bottom with the substrate bottom; Described second support is fixed in the sidewall upper of gripper shoe away from mixing component one side; The method to set up of described mixer is: mixer is placed weldpool top, make first support and second support set up with the weldpool sidewall on.
By said method, with first support and second support set up with the weldpool sidewall on, make mixer across weldpool, mixing component is arranged in fusion welding and stirs.
Further, in order better mixer to be located on weldpool, described supporting component also comprises first limiting plate and second limiting plate, and described first limiting plate is fixed in first support away from an end of substrate and extension downwards; Described second limiting plate is fixed in second support away from an end of substrate and extension downwards; The method to set up of described mixer also comprises first limiting plate and second limiting plate is stuck in outside the weldpool sidewall.
Further, above-mentioned output shaft and driven pulley fixed axis make output shaft be positioned at the oblique upper of driven pulley fixed axis after fixing on the substrate.
At this moment, the driving wheel and the driven pulley that are individually fixed on output shaft and the driven pulley fixed axis also are oblique settings, are appreciated that the oblique upper of the engaging piece of driving wheel and driven pulley in the driven pulley center of circle, the driving wheel center of circle tiltedly below.By this method to set up, can guarantee that the engaging piece of driving wheel and driven pulley is positioned under the fusion liquid level on the one hand, guaranteeing not can be stuck by scum silica frost etc., on the other hand, than driving wheel be positioned at driven pulley directly over, when driving wheel was positioned at the oblique upper of driven pulley, driving wheel can more immerse fusion welding, in rotary course, the obstruction that the tin liquor that can better avoid the driving wheel rotation to take out of may cause at air set to the gear rotation.That is, can obtain better anti-jamming effect by said method.
Above-mentioned oblique upper is defined as, and in the vertical direction, output shaft are positioned at driven pulley fixed axis top; In the horizontal direction, output shaft is positioned at driven pulley fixed axis the place ahead or rear.
According to the present invention, output shaft is connected to Power Component, and the method for reception power for example can directly be connected to Power Component with output shaft without limits.In order to make mixer have better topology layout, convenient the carrying out that stirs, under the preferable case, described transmission component also comprises power shaft and is arranged at the transmission case of the closure between driven pulley fixed axis and the Power Component, is provided with intermeshing main driving wheel and auxiliary driving wheel in the described transmission case from top to bottom; Described output shaft extends in the transmission case and is fixed on the transmission case, and described auxiliary driving wheel is fixed on the output shaft; Described power shaft is arranged in the transmission case, and extends transmission case, is connected with Power Component; Described main driving wheel is arranged on the power shaft.
By said structure, be convenient to the layout between Power Component and the supporting component, simplified structure.
For said structure, substrate can be arranged at transmission case near on the sidewall of mixing component.In order to optimize distribution, reaching under the prerequisite of effect same, reduce the parts use amount, described substrate is the sidewall of transmission case towards mixing component one side.Promptly with the sidewall of transmission case as substrate.
Further, described Power Component comprises motor body and inserts the machine shaft of electrode body that described machine shaft is structure as a whole with power shaft or fixedlys connected by first shaft coupling.
Further, described output shaft is that one or output shaft are fixedlyed connected by second shaft coupling with main shaft with main shaft; Described driven pulley fixed axis is that one or driven pulley fixed axis are fixedlyed connected by the 3rd shaft coupling with secondary shaft with secondary shaft.
Be appreciated that driving wheel promptly is directly fixed on the main shaft when output shaft and main shaft are one; Equally when driven pulley fixed axis and secondary shaft were one, the driven pulley fixed axis promptly was directly fixed on the secondary shaft.
Further, for the ease of follow-up dismounting, cleaning or renewal part, described gripper shoe is provided with first minor axis and second minor axis, and described first minor axis is fixedlyed connected with main shaft by the tetrad axial organ; Second minor axis is fixedlyed connected by the 5-linked axial organ with secondary shaft.
Further, described transmission case is away from also being fixed with first reference column and second reference column on the sidewall of Power Component; Described output shaft runs through first reference column; Described driven pulley fixed axis is fixed on second reference column.
When stirring means disclosed by the invention stirs in fusion welding, can effectively avoid gear to be stuck, improve production efficiency greatly.
Description of drawings
Fig. 1 is the stereogram that the invention provides mixer in the embodiment of stirring means.
Fig. 2 is the vertical view that the invention provides mixer in the embodiment of stirring means.
Fig. 3 be among Fig. 2 A-A to cutaway view.
Fig. 4 is an A place enlarged drawing among Fig. 3.
Fig. 5 is a B place enlarged drawing among Fig. 3.
Wherein, 11, motor body; 12, machine shaft; 21, transmission case; 22, main driving wheel; 23, auxiliary driving wheel; 24, output shaft; 25, first reference column; 26, driving wheel; 27, driven pulley; 28, power shaft; 29, driven pulley fixed axis; 31, main shaft; 32, secondary shaft; 33, stirring vane; 34, stop nut; 41, first support; 42, first limiting plate; 43, gripper shoe; 44, second support; 45, second limiting plate; 46, connecting plate; 5, deflector; 61, first shaft coupling; 62, second shaft coupling; 63, the 3rd shaft coupling; 64, tetrad axial organ; 65,5-linked axial organ; 71, first minor axis; 72, second minor axis.
The specific embodiment
In order to make technical problem solved by the invention, technical scheme and beneficial effect clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
Show in the stirring means disclosed by the invention referring to Fig. 1-Fig. 5, a kind of preferred implementation of the mixer of employing comprises Power Component, transmission component, mixing component and supporting component.
Power Component comprises motor body 11 and machine shaft 12.
Transmission component comprise power shaft 28, closed transmission case 21(with transmission case 21 near the sidewall of mixing components as substrate), output shaft 24, driven pulley fixed axis 29, driving wheel 26, driven pulley 27, first reference column 25, second reference column.
Mixing component comprises main shaft 31 and the secondary shaft 32 that is arranged above and below, and is fixed in the stirring vane 33 on main shaft 31 and the secondary shaft 32 simultaneously.
Supporting component comprises first support 41, first limiting plate 42, second support 44, second limiting plate 45.
See Fig. 4 (amplify for A place among Fig. 3, above-below direction is opposite with Fig. 1 direction) for details, be fixed with first reference column 25 and second reference column on transmission case 21 sidewalls, first reference column 25 is arranged in the second reference column oblique upper (Fig. 4 is oblique below).
Have intermeshing main driving wheel 22 and auxiliary driving wheel 23 in the transmission case 21, main driving wheel 22 is fixed on the power shaft 28, and auxiliary driving wheel 23 is fixed on the output shaft 24.Power shaft 28 is fixed on the transmission case 21 and from a side of transmission case 21 and extends transmission case 21, is connected to Power Component.Output shaft 24 is fixed on the transmission case 21, extends transmission case 21 and runs through first reference column 25 on transmission case 21 sidewalls from the opposite side of transmission case 21.Driving wheel 26 is fixed on the output shaft 24.
Driven pulley fixed axis 29 is fixed on second reference column, and output shaft 24 is arranged in driven pulley fixed axis 29 oblique uppers (Fig. 4 is oblique below).Be fixed with driven pulley 27 on the driven pulley fixed axis 29.Driven pulley 27 and driving wheel 26 engagements.
Output shaft 24 is fixedlyed connected by second shaft coupling 62 with main shaft 31, and driven pulley fixed axis 29 is fixedlyed connected by the 3rd shaft coupling 63 with secondary shaft 32.Same effect can also be designed to one with output shaft 24 and main shaft 31, and driven pulley fixed axis 29 also can be designed as one with secondary shaft 32.
Output shaft 24 is arranged in driven pulley fixed axis 29 oblique uppers (Fig. 4 is oblique below), and the main shaft 31 of fixedlying connected with output shaft 24 is arranged in the oblique upper (Fig. 4 is oblique below) of the secondary shaft 32 of fixedlying connected with driven pulley fixed axis 29.
See Fig. 3 for details, power shaft 28 is fixedlyed connected with machine shaft 12 by first shaft coupling 61.Transmission case 21 is fixedlyed connected with an end of first support 41 near the side wall upper part (being the bottom among Fig. 3) of motor body 11 1 sides, and the other end of first support 41 is fixedly attached to the upper end (being the lower end among Fig. 3) of first limiting plate 42.Motor body 11 is fixed on the sidewall of first limiting plate 42, and the motor body 11 and first support 41 lay respectively at the both sides of first limiting plate 42.
All be fixed with two stop nuts 34 on main shaft 31 and the secondary shaft 32 separately, stirring vane 33 is arranged between the stop nut 34.
Fixedly connected with an end of connecting plate 46 in transmission case 21 lower ends (being the upper end among Fig. 3), the other end of connecting plate 46 is fixedlyed connected (among Fig. 3 for upper end) with the lower end of gripper shoe 43.
See Fig. 5 (amplify for B place among Fig. 3, above-below direction is opposite with Fig. 1 direction) for details, be fixed with the oblique upper (Fig. 5 is oblique below) that first minor axis 71 and second minor axis, 72, the first minor axises 71 are arranged in second minor axis 72 on the gripper shoe 43.First minor axis 71 is fixedlyed connected with main shaft 31 by tetrad axial organ 64, and second minor axis 72 is fixedlyed connected with secondary shaft 32 by 5-linked axial organ 65.
Get back to Fig. 3, gripper shoe 43 tops (being the bottom among Fig. 3) fixedlys connected with an end of second support 44, and the other end of second support 44 is fixedlyed connected with the upper end (being the lower end among Fig. 3) of second limiting plate 45.
Get back to Fig. 1 and Fig. 2, all be fixed with deflector 5 on transmission case 21 and gripper shoe 43 sides.Two deflectors 5 on transmission case 21 and the gripper shoe 43 form " splayed " structures, and the narrower end of its opening is towards secondary shaft 32.
Based on above-mentioned mixer, stirring means is as follows:
One weldpool is provided, makes to have fusion welding in the weldpool.
This mixer is set up on the weldpool sidewall, first support 41 and second support 44 are individually fixed on the relative sidewall of weldpool two, and first limiting plate 42 and second limiting plate 45 are positioned at the outside of two side, make mixing component, transmission component, deflector 5 be positioned at weldpool.
Adjusts the position of mixer, driving wheel 26 and driven pulley 27 are immersed in the fusion weldings, and the liquid level of fusion welding is higher than the engaging piece of driving wheel 26 and driven pulley 27 in the weldpool, is lower than output shaft 24 and transmission case 21(substrate) minimum point of junction.Make motor body 11 runnings, motor body 11 drive motors rotating shafts 12 are rotated, thereby driving output shaft 24 rotates, and then rotate with the fixing main shaft 31 of output shaft 24, and, the driving wheel 26 that the rotating drive of output shaft 24 is fixed on the output shaft 24 rotates, rotate with the driven pulley 27 of driving wheel 26 engagements, the driven pulley fixed axis 29 of fixedlying connected with driven pulley 27 then rotates, the rotation of the secondary shaft 32 that the rotation drive of driven pulley fixed axis 29 is fixedlyed connected with driven pulley fixed axis 29, at this moment, main shaft 31 and secondary shaft 32 all rotate, thereby make stirring vane 33 rotations of being fixed on main shaft 31 and the secondary shaft 32, drive fusion welding and flow.
By above-mentioned mixer, make the liquid level of fusion welding in the weldpool be higher than the engaging piece of driving wheel 26 and driven pulley 27, be lower than output shaft 24 and transmission case 21(substrate) minimum point of junction.On the one hand, the engaging piece of driving wheel 26 and driven pulley 27 is immersed in the fusion welding, can avoids driving wheel 26 and driven pulley 27 in rotation process, to be stuck, raise the efficiency.Simultaneously, main driving wheel 22 and auxiliary driving wheel 23 is positioned at closed transmission case 21, and the liquid level of fusion welding is positioned at output shaft 24 and transmission case 21(substrate) under the minimum point of junction, can't enter transmission case 21, that is, main driving wheel 22 and auxiliary driving wheel 23 stuck phenomenon can not occur.
According to the present invention, when above-mentioned mixer in weldpool, when using simultaneously with reducing agent, reducing agent can be broken up the bulk scum silica frost that forms, reduce, and forms the fritter scum silica frost, and scum silica frost can be reduced fully, has improved the utilization rate of tin material.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.