CN101837527B - Automatic control powder-feeding device of flux-cored wire and automatic control method - Google Patents
Automatic control powder-feeding device of flux-cored wire and automatic control method Download PDFInfo
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- CN101837527B CN101837527B CN2009100800646A CN200910080064A CN101837527B CN 101837527 B CN101837527 B CN 101837527B CN 2009100800646 A CN2009100800646 A CN 2009100800646A CN 200910080064 A CN200910080064 A CN 200910080064A CN 101837527 B CN101837527 B CN 101837527B
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Abstract
The invention discloses an automatic control powder-feeding device of a flux-cored wire and an automatic control method, which relate to a manufacturing technology of flux-cored wires. The method comprises a primary powder feeding step, a secondary powder feeding step, a center distance adjusting and self-compensating and tensioning step of a powder conveying belt and a dedusting step. The automatic control powder-feeding device is charaterized in that a powder-feeding part is changed into a secondary automatic control powder-feeding mechanism from a primary uncontrollable powder-feeding mechanism. The powder conveying belt is a belt conveying mechanism the center distance of which is adjustable and the belt of which can automatically compensate and tension; and the powder-feeding device is a whole totally-closed dedusting collection structure. Compared with the prior art, the invention provides a secondary automatic control powder-feeding mechanism, and thereby, the powder feeding stability and precision are improved; the adjustable center distance of the powder-feeding belt and a belt self-compensating and tensioning mechanism solve the problems that the belt has inconvenient installation, deviates and can not be centered in the conveying process and improve the self-compensating and tensioning function of the belt after the belt is abraded and gets loose; a complete set of power-feeding devices adopts the totally-closed dedusting collection structure, and thereby, the overflow of the powder materials is reduced, and the working environment and the operation conditions are improved.
Description
Technical field
The present invention relates to flux-cored wire manufacturing technology field, particularly make a kind of flux-cored wire automatic control powder adding device and the automatic control method of flux-cored wire.
Background technology
See Fig. 3, at present, produce flux-cored wire technology and form by putting band machine 18, steel band cleaning equipment 19, shaping machine set 20 (containing powder adding device), tube reducing unit 22 (wire drawing machine), admission machine 23, packing machine 24 etc.Powder adding device 21 is in flux-cored wire is produced continuously, gives one important process process of the channel-section steel band filling powder that is rolled into U type section, and it relates to filling precision and the product quality that flux-cored wire is filled in the welding agent powder.The production process of flux-cored wire is seen Fig. 3, is getting into make-up machine through the steel band after cleaning, being rolled into U type section.Simultaneously, through powder adding device the welding agent powder for preparing is filled in the grooved steel band evenly, accurately, the grooved steel band of wrapping up in medicinal powder is then rolled into the flux cored wire of sealing in make-up machine.After the wire drawing tube reducing becomes required flux-cored wire diameter.Existing powder adding device is seen Fig. 1, among the figure, powder bucket storehouse 1, material blanking tube 2, adds powder storehouse 3, powder feeding belt 4 and U type channel-section steel band 5.Have one add the powder storehouse, belt centre-to-centre spacing is fixed, no belt compensates the powder adding device of tensioning voluntarily; Cause the powder feeding belt speed unstable, it is low to add the powder precision, and the space is bigger for the open type dust floats, and working environment is relatively poor.Existing powder adding device is to adopt the bucket storehouse fill with powder, directly with add the powder storehouse and be connected, through material blanking tube and add the perforation of powder storehouse, powder directly drops on the powder feeding belt, belt is transported in the U type channel-section steel band again; In addition, powder feeding belt centre-to-centre spacing is fixing non-adjustable, and belt wearing and tearing or distortion back produce lax, and belt does not have and compensates strainer voluntarily.Belt is prone to produce the speed of skidding, and causes the speed of service unstable.
The shortcoming that existing powder adding device exists mainly is: add the powder storehouse and directly communicate with the bucket storehouse; The weight of powder acts directly on the powder feeding belt, fills with powder (100kg) from powder bucket storehouse and will use up to powder that (3～5kg), the load that belt conveyor bears is constantly changing; Excursion is greatly about 1～25 times; Cause the belt conveyor drive motors under the load effect that changes, rotating speed is changing, and the speed of service of belt is unstable.In the unit interval, the quantity that is filled into the powder in " U " type channel-section steel band is and then becoming; In addition, powder feeding belt centre-to-centre spacing is fixed, and does not have again to compensate strainer voluntarily.When belt wearing and tearing or distortion, generation is lax, and belt produces and skids, and increases the instability of the belt speed of service again, finally all will influence the speed of service of powder feeding belt and the accuracy of conveying powder quantity, causes flux-cored wire to fill the precise decreasing unstable product quality.
Summary of the invention
The objective of the invention is to overcome defective of the prior art; A kind of flux-cored wire automatic control powder adding device and automatic control method are provided; The device integrally closed comprises once adding powder and secondary powder feeding machine structure, powder feeding belt adjustable center distance and compensating strainer voluntarily, reach the dedusting collection structure.When method of the present invention is produced at flux-cored wire continuously,, realized adding the powder automaton, and improved powder feeding bel-drivenn effect and added the powder precision, improved production environment and condition of work by uncontrollable powder adding device.
For achieving the above object, technical solution of the present invention is:
A kind of flux-cored wire automatic control powder adding device comprises powder bucket storehouse, adds the powder storehouse, powder feeding belt, U-lag steel band; It also comprises sensor, compensates strainer, dust collection storehouse, dust catcher, PLC adjuster, executive component and seal case voluntarily;
This automatic control powder adding device has two to add the powder storehouse with the seal case integrally closed in the seal case: secondary adds the powder storehouse and once adds the powder storehouse;
Powder bucket position in storehouse is in the seal case top face, and secondary adds the powder storehouse, once adds the powder position in storehouse in the seal case internal upper part, and the three vertically is provided with, totally one central axis; Lower end, powder bucket storehouse outlet adds powder storehouse inner chamber with secondary and interlinks, and secondary adds the outlet of lower end, powder storehouse and once adds powder storehouse inner chamber and interlink;
The seal case outside is provided with PLC adjuster (automatic control and adjustment device), executive component, and the PLC adjuster is electrically connected with the control end of executive component;
Secondary adds in the powder storehouse has rotary valve, and rotary valve links to each other with executive component; Once add powder warehouse discharging mouth and be located at the bottom surface side, once add and be provided with a high position sensor, a low sensors in the powder storehouse, two sensors is electrically connected with the PLC adjuster respectively;
Bottom in the seal case is positioned at and once adds powder warehouse discharging mouth below, and level is provided with the powder feeding belt;
Vertical tangent line below, the driven pulley outer end of powder feeding belt is a U-lag steel band pipeline; In the seal case inner chamber, be positioned at powder feeding belt driven pulley top and be provided with dust catcher, the below is provided with the dust collection storehouse;
The drive pulley of powder feeding belt below is provided with Weight type and compensates strainer voluntarily, below between the driving and driven belt pulley of powder feeding belt powder feeding belt lower surface with compensate the strainer pressure roller voluntarily and contact and be connected.
Described automatic control powder adding device, its said powder warehouse discharging mouth that once adds is provided with the pressure controlling organization, carries the thickness of powder to regulate the control belt; Force controlling organization to comprise adjusting screw(rod), adjusting nut, fixed mount, fender plate; Have the rectangle hole slot of a horizontal direction in the header board bottom that once adds powder storehouse meal outlet; With bolt fixed mount is fixed on the header board; Fender plate is installed in the gathering sill in the fixed mount, and passes the screw on fixed mount top through adjusting screw(rod) top, is screwed into upper and lower nut again; The adjusting screw(rod) bottom is affixed through triangle twisted point and fender plate, adjustings in or lower nut, make adjusting screw(rod) upper and lower move and the drive fender plate upper and lower mobile, reach the size of adjusting discharging opening opening.
Described automatic control powder adding device, its said secondary add in the powder storehouse and are provided with rotary valve, and the two ends of rotary valve central shaft are rotating to be fixed in the sidewall that secondary adds the powder storehouse; Rotary valve central shaft one side stretches out secondary, and to add the sidewall and executive component one end in powder storehouse affixed, and the executive component other end is fixed in secondary and adds on the lateral branch bearing of powder storehouse, and the stretching motion of executive component is controlled by the PLC adjuster;
The rotary valve outer surface is the curved surface of a sub-elliptical, when rotary valve is positioned at horizontal level, secondary is added the inner chamber sealing of powder storehouse, carries the powder heavy burden; Under the promotion of executive component, rotary valve is center when rotation with the central shaft, along with the increase of horizontal sextant angle, the opening that rotary valve and secondary add powder storehouse inwall increases, the amount increase of powder whereabouts.
Described automatic control powder adding device, its said two sensors that once adds in the powder storehouse is fixed in and once adds powder storehouse sidewall; Or guide rail vertically being set in the side wall inner surface that once adds the powder storehouse, two sensors divide and are fixed in movably up and down on the guide rail, can carry out the adjusting of height and position respectively, to adapt to the flux-cored wire production needs of different proportionings.
Described automatic control powder adding device, its said executive component is an actuating arm.
Described automatic control powder adding device; Its said strainer that compensates voluntarily is to adopt " V " shape connecting rod form, and an end is pressed in the below between the driving and driven belt pulley of powder feeding belt through the pressure roller that rolls; The other end is provided with adjustable weight, and weight comprises the balance weight of several piece Different Weight; The bearings at both ends of V-arrangement connecting rod rotary middle spindle is fixed on the left and right side plate of frame; Under the effect of weight power; Through " V " shape connecting rod, make pressure roller be pressed in the lower surface of powder feeding belt all the time, during the belt operation; Pressure roller rolls at the lower surface of powder feeding belt, makes the powder feeding belt be in the state of tensioning all the time.
Described automatic control powder adding device, it also comprises two adjustable center distance mechanisms, two adjustable center distance mechanisms lay respectively at driven pulley wheel shaft both side ends;
The driven pulley wheel shaft bearings at both ends supporting-point of powder feeding belt is separately fixed on the adjustable shelf of the left and right adjustable center distance mechanism on the left and right side plate of dust feeder; Every side adjustable center distance mechanism comprises fixed mount, adjustable shelf, adjusting screw mandrel, nut; Through turning the adjusting screw mandrel in the fixed mount of packing into; Driving adjustable shelf moves in the guide rail of fixed mount; And the bearing supporting-point that drives powder feeding belt driven pulley wheel shaft two ends moves, and reaches the centre distance of regulating powder feeding belt driving wheel wheel shaft and driven pulley wheel shaft.
A kind of automatic control method of described automatic control powder adding device, its flow process is:
The powder bucket storehouse of A) filling with powder falls into secondary with powder and adds rotary valve top, powder storehouse, and when rotary valve is opened, powder gets into and once adds the powder storehouse;
When the material powder height of B) in once adding the powder storehouse, annotating attains to a high place sensing station; High position sensor output signal; Instruct to executive component through PLC adjuster switching signal; The control secondary adds the rotary valve execution command in powder storehouse, and executive component drives rotary valve to closed condition, and powder bucket storehouse stops to supply powder;
C) in producing continuously, powder is fallen on the powder feeding belt through once adding powder warehouse discharging mouth, and the charging aperture that is rolled into " U " type channel-section steel band constantly delivered to powder by the powder feeding belt, fills in the material powder for U type channel-section steel band, and the powder that once adds in the powder storehouse simultaneously constantly reduces;
D) when material level is lower than low sensors, low sensors output signal converts instruction to through the PLC adjuster; Pass to the rotary valve executive component again, executive component drives rotary valve again and opens, and the powder in powder bucket storehouse, top begins again to fall into and once adds the powder storehouse; Powder constantly rises, and when powder arrives the high position sensor position again, repeats a circulation; Under controlled automatically state, circulate continuous running production repeatedly with this.
Described automatic control method, it also comprises,
E) open dust catcher, reduced flour dust overflow, improved environment and operating condition;
F) powder is reclaimed in the dust collection storehouse automatically.
Described automatic control method, it also comprises, before the work of automatic control powder adding device, carry out adjustment to device:
A) require manual adjustment adjustable center distance mechanism according to what set, to regulate the centre-to-centre spacing between the driving and driven belt pulley, the belt blanking port will be aimed at " U " steel band of model feeding mouth simultaneously;
B) the manual adjustment Weight type compensates strainer voluntarily, according to the weight that the counterweight balance piece is regulated in the requirement of setting, makes to compensate tensile force voluntarily and be in a kind of preferable states;
C) add the size that powder storehouse feed opening is opened size according to the requirement adjustment secondary of setting, setting once adds the size that powder storehouse outlet damper is opened size.
With the prior art ratio, the secondary automatic control powder feeding machine structure in the flux-cored wire automatic control powder adding device of the present invention has improved the stability and the precision that add powder; Powder feeding belt adjustable center distance and belt compensate strainer voluntarily, and having improved belt, that inconvenience, sideslip, accent be installed in transmitting is neutral, and the belt wearing and tearing compensate tensioning function after relaxing voluntarily; Flux-cored wire automatic control powder adding device of the present invention is taked totally-enclosed dedusting collection structure, has reduced the excessive of powder, has improved working environment and operating condition.
The present invention compares with prior art has advantage:
1. flux-cored wire is in adding the powder process, becomes first and second and adds the powder process by directly adding the powder process, and carry out the controlled powder that adds automatically, and the commonly used powder amount of guarantee effect on the powder feeding belt is few and stable, has improved the stability and following powder precision of belt.
2. the performance of belt operation for installation, tuningout, the centering of belt brought the facility of adjusting, and has improved in powder feeding belt adjustable center distance mechanism.
3. belt compensates strainer voluntarily, need not power, compensates the lax of tightening belt at any time voluntarily, avoids belt creep, improves the stable of Belt Transmission Efficiency and speed, has also improved time powder precision.
4. forced action type is controlled the mechanism of discharge opening size, and the upper and lower adjusting in hole is to control upper and lower the moving of screw rod drive controllable register through adjusting nut, reaches the change in size of adjustment hole.
5. powder adding device places totally enclosed structure, and is provided with dust suction, collection recovering mechanism, has prevented the flour dust overflow of powder.
Description of drawings
Fig. 1 is the structural representation of existing powder adding device;
Fig. 2 is a kind of flux-cored wire automatic control powder adding device sketch map of the present invention;
Fig. 3 is flux-cored wire technological process of production figure;
Fig. 4 once adds powder warehouse discharging mouth forced action type controlling organization sketch map for automatic control powder adding device of the present invention.
The specific embodiment
As shown in Figure 2; Be a kind of flux-cored wire automatic control powder adding device sketch map of the present invention; Integrally closed, comprise powder bucket storehouse 1, secondary add powder storehouse 6, once add powder storehouse 7, sensor 8,9, powder feeding belt 4, compensate strainer 10, dust collection storehouse 11, U-lag steel band 5, adjustable center distance mechanism 12, discharging opening controlling organization 13, dust catcher 14, PLC adjuster 15, executive component 16 and seal case 17 voluntarily.
Add powder storehouse 3 and be divided into two: once add powder storehouse 7, secondary adds powder storehouse 6.Powder bucket storehouse 1 is positioned at seal case 17 top face, and secondary adds powder storehouse 6, once add powder storehouse 7 is positioned at seal case 17 internal upper parts, and the three vertically is provided with, totally one central axis.1 lower end, powder bucket storehouse outlet adds powder storehouse 6 inner chambers with secondary and interlinks, and secondary adds the outlet of 6 lower ends, powder storehouse and once adds powder storehouse 7 inner chambers and interlink.
Once add powder storehouse 7 discharging openings and be located at the bottom surface side; Once add and be provided with two level sensors 8,9 in the powder storehouse 7 and be fixed in and once add powder storehouse 7 sidewalls; Be vertically to be provided with guide rail in the side wall inner surface that once adds powder storehouse 7; Two level sensors were fixed in up and down on the guide rail in 8,9 minutes movably, can carry out height respectively and regulate, to adapt to the flux-cored wire production needs of different proportionings.
Secondary adds in the powder storehouse 6 and is provided with rotary valve, and the two ends of rotary valve central shaft are rotating to be fixed in the sidewall that secondary adds powder storehouse 6; Rotary valve central shaft one side stretches out the sidewall that secondary adds powder storehouse 6 and is connected with executive component 16 1 ends through connecting rod, and executive component 16 other ends are fixed in secondary and add on the supporting base in 6 outsides, powder storehouse, and the stretching motion of executive component 16 is controlled by PLC adjuster 15.
The rotary valve outer surface is the curved surface of a sub-elliptical, when rotary valve is positioned at horizontal level, secondary is added the 6 inner chambers sealing of powder storehouse, carries the powder heavy burden; Promote down at actuating arm, when rotary valve with the central shaft is the center rotation, along with the increase of horizontal sextant angle, the opening that rotary valve and secondary add powder storehouse 6 inwalls increases, increase is measured in the powder whereabouts.
Bottoms in the seal case 17 are positioned at and once add 7 discharging openings below, powder storehouse, and level is provided with powder feeding belt 4, once adds powder storehouse 7 discharging openings and powder feeding belt 4 centerings.Vertical tangent line below, the driven pulley outer end of powder feeding belt 4 is U-lag steel band 5 pipelines.In seal case 17 inner chambers, be positioned at powder feeding belt 4 driven pulleies top and be provided with dust catcher 14, the below is provided with dust collection storehouse 11.
The drive pulley below of powder feeding belt 4 is provided with Weight type and compensates strainer 10 voluntarily; Compensating strainer 10 voluntarily is to adopt " V " shape connecting rod form; Through regulating an end weight quantity (weight), just scalable other end pressure roller is pressed in the tensile force of powder feeding belt 4 belows.Pressure roller rolls at the lower surface of powder feeding belt 4, makes powder feeding belt 4 be in the state of tensioning all the time, adjustment number of blocks (weight), and just scalable tensile force size, and compensate powder feeding belt 4 voluntarily because of the tensioning that relaxes.
Driven pulley wheel shaft both side ends is provided with adjustable center distance mechanism 12.The driven pulley wheel shaft bearings at both ends supporting-point of powder feeding belt 4 is separately fixed on the adjustable shelf of the left and right adjustable center distance mechanism on the left and right side plate of dust feeder.Every side adjustable center distance mechanism comprises fixed mount, adjustable shelf, adjusting screw mandrel, nut; Through turning the adjusting screw mandrel in the fixed mount of packing into; Driving adjustable shelf moves in the guide rail of fixed mount; And the bearing supporting-point that drives powder feeding belt 4 driven pulley wheel shaft two ends moves, and reaches the centre distance of regulating powder feeding belt 4 driving wheel wheel shafts and driven pulley wheel shaft.
See Fig. 2, powder adding device of the present invention is provided with two level sensors 8,9 in once adding powder storehouse 7.When the powder that adds powder storehouse 6 by secondary drops to different controlling levels; High and low level sensor 8,9 outputs signal to PLC adjuster 15 respectively; Convert instruction to through PLC adjuster 15; Issue executive component 16, control the rotary valve that secondary adds powder storehouse 6 through executive component 16 and open or close, make the material levels that once add in the powder storehouse 7 remain on high and low level sensor 8, the height between 9; The powder feeding belt 4 of operation constantly is transported to the discharging opening that once adds powder storehouse 7 to powder simultaneously, falls into U-lag steel band 5.
Fig. 3 is flux-cored wire technological process of production figure.The flux-cored wire production equipment comprises the band machine 18 of putting, steel band cleaning equipment 19, shaping machine set 20, tube reducing unit (wire drawing machine) 22, admission machine 23, packing machine 24 etc., and a kind of flux-cored wire automatic control powder adding device 21 of the present invention is positioned at shaping machine set 20 wherein.Powder adding device is that steel band becomes U type channel-section steel band 5 at the clod wash rolled steel strip, in the groove of powder adding device 21 filling powder to U type channel-section steel bands 5, reroll thereafter and process tubular sections, and tube reducing is drawn into the plate-like flux-cored wire finished product 25 of required diameter simultaneously.
A kind of flux-cored wire automatic control powder adding device 21 of the present invention is a secondary automatic control powder feeding machine structure; Comprise that once adding powder storehouse 7 adds 6 two independent each other associated again two feed bins in powder storehouse with secondary; Through two level sensors 8,9; Executive component 16 and PLC adjuster 15 are formed a robot control system(RCS), and the controlled rotary valve that the control secondary adds in the powder storehouse 6 opens and closes.Secondary adds the rotary valve in the powder storehouse 6, and its open degree and time all can be by executive component 16 regulation and control.Two level sensors 8,9 that once add powder storehouse 7; The induction controlling level, when the powder material level attained to a high place the height of sensor 8, high position sensor 8 was sent signal and is given PLC adjuster 15; PLC adjuster 15 control executive components 16 are closed rotary valve; Give once to add in the powder storehouse 7 and add powder to cut off powder bucket storehouse 1, at this moment, once add directly powder feeding material on powder feeding belt 4 of powder storehouse 7.When the powder material level drops to the height of low sensors 9; Low sensors 9 is sent signal and is given PLC adjuster 15; PLC adjuster 15 control executive components 16 are opened rotary valve, add powder so that powder bucket storehouse 1 is given once to add in the powder storehouse 7, replenish the powder that once adds in the powder storehouse 7.Under the normal condition; The powder that once adds in the powder storehouse 7 remains on a metastable controlling level; Powder weight is constant relatively, and the load that powder acts on the powder feeding belt 4 is little and stable, and the speed of service of powder feeding belt 4 transmissions is stable, the powder precision of giving of unit interval has improved.
After in powder feeding belt 4, adding adjustable center distance mechanism 12 and compensating strainer 10 voluntarily, improved 4 installations of powder feeding belt, tuningout, and the notch accuracy of alignment of feed opening and U type channel-section steel band 5.Compensating strainer 10 voluntarily adopts the Weight type belt to compensate the tensioning mode voluntarily; Regulate the weight of counterweight balance piece; Can make powder feeding belt 4 compensate tensile force voluntarily and be in a kind of preferable states, powder feeding belt 4 is in a kind of tensioning state of compensation voluntarily that need not power, has avoided because of loosening cause lax of belt wearing and tearing or mechanism; Cause that powder feeding belt 4 skids, influence the instability of powder feeding belt 4 speeds of service and the precision of filling powder.
Fig. 4 once adds powder storehouse 7 discharging opening forced action type controlling organization sketch mapes for automatic control powder adding device of the present invention.Wherein, adjusting screw(rod) 26, adjusting nut 27, fixed mount 28, fender plate 29, discharging opening 30, powder feeding belt 4, powder feeding roller 31.
Have the rectangle hole slot of a horizontal direction in the header board bottom that once adds powder storehouse 7, be discharging opening 30.With bolt fixed mount 28 is fixed on the header board, frame is around discharging opening 30.Fender plate 29 is installed in the gathering sill in the fixed mount 28, and the screw of fixed mount 28 upper side frames is passed on adjusting screw(rod) 26 tops, is screwed into upper and lower adjusting nut 27 again; Adjusting screw(rod) 26 bottoms are affixed through triangle twisted point and fender plate 29; In the adjusting or following adjusting nut 27 makes that adjusting screw(rod) 26 is upper and lower to move and drive fender plate 29 upper and lower moving, and the location; Reach the size of regulating discharging opening 30 openings, change powder thickness on the powder feeding belt 4 to reach.
Once adding powder storehouse 7 discharging openings 30 and open the size of size, is to control to adjust screw rod 26 upper and lower mobile drives through manual adjustments adjusting nut 27 to regulate fender plate 29 upper and lower moving, and reaches the change in size of regulating perforate.With the powder thickness that change is seen off, satisfy different flux-cored wires and wrap up in what of dose.The present invention has adopted the forced action type linkwork, has improved the reliability and the precision of adjusting function.
The totally enclosed seal case 17 of powder adding device of the present invention; Once add powder storehouse 7, secondary adds powder storehouse 6, powder feeding belt 4, adjustable center distance mechanism 12 and compensates the space that strainer 10 all places a sealing voluntarily; The dust catcher 14, the dust collection storehouse 11 that are provided with in the space; Reduce flour dust overflow, improved environment and operating condition.
Embodiment
Automatic control method during powder adding device of the present invention work is, the powder bucket storehouse 1 of filling with powder hangs in the powder adding device top, and powder falls into secondary and adds 6 rotary valve tops, powder storehouse; When the rotary valve unlatching, powder gets into and once adds powder storehouse 7, and falls on the powder feeding belt 4; When the material powder height that once adds 7 filling of powder storehouse attains to a high place sensor 8 positions; High position sensor 8 output signals give executive component 16 instructions through PLC adjuster 15 switching signals, and the control secondary adds the rotary valve execution command in powder storehouse 6; Executive component 16 drives rotary valve to closed condition, and powder bucket storehouse 1 stops to supply powder.In producing continuously, the charging aperture that is rolled into " U " type channel-section steel band 5 constantly delivered to powder by powder feeding belt 4, fills in the material powder for U type channel-section steel band 5, and the powder that once adds simultaneously in the powder storehouse 7 constantly reduces.When material level was lower than low sensors 9, low sensors 9 output signals converted instruction to through PLC adjuster 15; Pass to rotary valve executive component 16 again, executive component 16 drives rotary valve again and opens, and the powder in powder bucket storehouse, top 1 begins again to fall into and once adds powder storehouse 7; Powder constantly rises, and when powder arrives high position sensor 8 positions again, repeats a circulation; Under controlled automatically state, circulate continuous running production repeatedly with this.
Simultaneously; Powder feeding belt 4 has adjustable center distance mechanism 12, gives in the installation, tuningout, accent of powder feeding belt 4 to offer convenience, and has improved the performance of powder feeding belt 4 transmissions; And powder feeding belt 4 compensates strainer 10 voluntarily; After regulating tensile force, powder feeding belt 4 compensates tensioning at any time voluntarily, and transmission efficiency improves greatly.
The manual adjustment discharging opening 30 that requires according to setting is opened the size of size, to set the height that fender plate 29 is opened.
The enforcement of various mechanisms among the present invention has improved the effect and the precision of powder adding device, and the quality of flux-cored wire is further improved.
Claims (8)
1. flux-cored wire automatic control powder adding device comprises powder bucket storehouse, adds the powder storehouse, powder feeding belt, U-lag steel band; It is characterized in that, also comprise sensor, compensate strainer, dust collection storehouse, dust catcher, PLC adjuster, executive component and seal case voluntarily;
This automatic control powder adding device has two to add the powder storehouse with the seal case integrally closed in the seal case: secondary adds the powder storehouse and once adds the powder storehouse;
Powder bucket position in storehouse is in the seal case top face, and secondary adds the powder storehouse, once adds the powder position in storehouse in the seal case internal upper part, and the three vertically is provided with, totally one central axis; Lower end, powder bucket storehouse outlet adds powder storehouse inner chamber with secondary and interlinks, and secondary adds the outlet of lower end, powder storehouse and once adds powder storehouse inner chamber and interlink;
The seal case outside is provided with PLC adjuster, executive component, and the PLC adjuster is electrically connected with the control end of executive component;
Secondary adds in the powder storehouse has rotary valve, and rotary valve links to each other with executive component; Once add powder warehouse discharging mouth and be located at the bottom surface side, once add and be provided with a high position sensor, a low sensors in the powder storehouse, two sensors is electrically connected with the PLC adjuster respectively;
Bottom in the seal case is positioned at and once adds powder warehouse discharging mouth below, and level is provided with the powder feeding belt;
Vertical tangent line below, the driven pulley outer end of powder feeding belt is a U-lag steel band pipeline; In the seal case inner chamber, be positioned at powder feeding belt driven pulley top and be provided with dust catcher, the below is provided with the dust collection storehouse;
The drive pulley of powder feeding belt below is provided with Weight type and compensates strainer voluntarily, below between the driving and driven belt pulley of powder feeding belt powder feeding belt lower surface with compensate the strainer pressure roller voluntarily and contact and be connected;
The said powder warehouse discharging mouth that once adds is provided with the pressure controlling organization, carries the thickness of powder to regulate the control belt; Force controlling organization to comprise adjusting screw(rod), adjusting nut, fixed mount, fender plate; Have the rectangle hole slot of a horizontal direction in the header board bottom that once adds powder storehouse meal outlet; With bolt fixed mount is fixed on the header board; Fender plate is installed in the gathering sill in the fixed mount, and passes the screw on fixed mount top through adjusting screw(rod) top, is screwed into upper and lower nut again; The adjusting screw(rod) bottom is affixed through triangle twisted point and fender plate, adjustings in or lower nut, make adjusting screw(rod) upper and lower move and the drive fender plate upper and lower mobile, reach the size of adjusting discharging opening opening;
Said secondary adds in the powder storehouse and is provided with rotary valve, and the two ends of rotary valve central shaft are rotating to be fixed in the sidewall that secondary adds the powder storehouse; Rotary valve central shaft one side stretches out secondary, and to add the sidewall and executive component one end in powder storehouse affixed, and the executive component other end is fixed in secondary and adds on the lateral branch bearing of powder storehouse, and the stretching motion of executive component is controlled by the PLC adjuster;
The rotary valve outer surface is the curved surface of a sub-elliptical, when rotary valve is positioned at horizontal level, secondary is added the inner chamber sealing of powder storehouse, carries the powder heavy burden; Under the promotion of executive component, rotary valve is center when rotation with the central shaft, along with the increase of horizontal sextant angle, the opening that rotary valve and secondary add powder storehouse inwall increases, the amount increase of powder whereabouts.
2. automatic control powder adding device as claimed in claim 1 is characterized in that, the said two sensors that once adds in the powder storehouse is fixed in and once adds powder storehouse sidewall; Or guide rail vertically being set in the side wall inner surface that once adds the powder storehouse, two sensors divide and are fixed in movably up and down on the guide rail, can carry out the adjusting of height and position respectively, to adapt to the flux-cored wire production needs of different proportionings.
3. automatic control powder adding device as claimed in claim 1 is characterized in that said executive component is an actuating arm.
4. automatic control powder adding device as claimed in claim 1; It is characterized in that; The said strainer that compensates voluntarily is to adopt " V " shape connecting rod form, and an end is pressed in the below between the driving and driven belt pulley of powder feeding belt through the pressure roller that rolls; The other end is provided with adjustable weight, and weight comprises the balance weight of several piece Different Weight; The bearings at both ends of V-arrangement connecting rod rotary middle spindle is fixed on the left and right side plate of frame; Under the effect of weight power; Through " V " shape connecting rod, make pressure roller be pressed in the lower surface of powder feeding belt all the time, during the belt operation; Pressure roller rolls at the lower surface of powder feeding belt, makes the powder feeding belt be in the state of tensioning all the time.
5. automatic control powder adding device as claimed in claim 1 is characterized in that, also comprises two adjustable center distance mechanisms, and two adjustable center distance mechanisms lay respectively at driven pulley wheel shaft both side ends;
The driven pulley wheel shaft bearings at both ends supporting-point of powder feeding belt is separately fixed on the adjustable shelf of the left and right adjustable center distance mechanism on the left and right side plate of dust feeder; Every side adjustable center distance mechanism comprises fixed mount, adjustable shelf, adjusting screw mandrel, nut; Through turning the adjusting screw mandrel in the fixed mount of packing into; Driving adjustable shelf moves in the guide rail of fixed mount; And the bearing supporting-point that drives powder feeding belt driven pulley wheel shaft two ends moves, and reaches the centre distance of regulating powder feeding belt driving wheel wheel shaft and driven pulley wheel shaft.
6. the automatic control method of an automatic control powder adding device as claimed in claim 1 is characterized in that, its flow process is:
The powder bucket storehouse of A) filling with powder falls into secondary with powder and adds rotary valve top, powder storehouse, and when rotary valve is opened, powder gets into and once adds the powder storehouse;
When the material powder height of B) in once adding the powder storehouse, annotating attains to a high place sensing station; High position sensor output signal; Instruct to executive component through PLC adjuster switching signal; The control secondary adds the rotary valve execution command in powder storehouse, and executive component drives rotary valve to closed condition, and powder bucket storehouse stops to supply powder;
C) in producing continuously, powder is fallen on the powder feeding belt through once adding powder warehouse discharging mouth, and the charging aperture that is rolled into " U " type channel-section steel band constantly delivered to powder by the powder feeding belt, fills in the material powder for U type channel-section steel band, and the powder that once adds in the powder storehouse simultaneously constantly reduces;
D) when material level is lower than low sensors, low sensors output signal converts instruction to through the PLC adjuster; Pass to the rotary valve executive component again, executive component drives rotary valve again and opens, and the powder in powder bucket storehouse, top begins again to fall into and once adds the powder storehouse; Powder constantly rises, and when powder arrives the high position sensor position again, repeats a circulation; Under controlled automatically state, circulate continuous running production repeatedly with this.
7. automatic control method as claimed in claim 6 is characterized in that, also comprises,
E) open dust catcher, reduced flour dust overflow, improved environment and operating condition;
F) powder is reclaimed in the dust collection storehouse automatically.
8. automatic control method as claimed in claim 7 is characterized in that, also comprises, before the work of automatic control powder adding device, carry out adjustment to device:
A) require manual adjustment adjustable center distance mechanism according to what set, to regulate the centre-to-centre spacing between the driving and driven belt pulley, the belt blanking port will be aimed at " U " steel band of model feeding mouth simultaneously;
B) the manual adjustment Weight type compensates strainer voluntarily, according to the weight that the counterweight balance piece is regulated in the requirement of setting, makes to compensate tensile force voluntarily and be in a kind of preferable states;
C) add the size that powder storehouse feed opening is opened size according to the requirement adjustment secondary of setting, setting once adds the size that powder storehouse outlet damper is opened size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2009100800646A CN101837527B (en) | 2009-03-18 | 2009-03-18 | Automatic control powder-feeding device of flux-cored wire and automatic control method |
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| CN2009100800646A CN101837527B (en) | 2009-03-18 | 2009-03-18 | Automatic control powder-feeding device of flux-cored wire and automatic control method |
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| CN101837527A CN101837527A (en) | 2010-09-22 |
| CN101837527B true CN101837527B (en) | 2012-07-18 |
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| CN102182873B (en) * | 2011-03-22 | 2013-01-16 | 广东联塑科技实业有限公司 | Novel method and device for filling fire retardant ring core |
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| CN104386381A (en) * | 2014-11-14 | 2015-03-04 | 天津市旭智机电设备开发有限公司 | Powder feeding device for flux-cored wire production line |
| CN105195926B (en) * | 2015-10-12 | 2017-09-12 | 安徽克里斯特新材料有限公司 | A kind of welding wire forming machine |
| CN110394891A (en) * | 2019-07-11 | 2019-11-01 | 江西和美陶瓷有限公司 | Ceramic brick distribution equipment and ceramic pattern control method |
| CN112719696B (en) * | 2021-02-23 | 2023-11-28 | 天津旭智机电设备制造有限公司 | Production process and production line for producing seamless flux-cored wires by using medium-batch steel belts |
| CN115383348A (en) * | 2022-08-24 | 2022-11-25 | 安徽鼎恒再制造产业技术研究院有限公司 | Automatic control powder adding device for flux-cored wire processing |
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Effective date of registration: 20210226 Address after: 100088 Beijing city Haidian District Xitucheng Road No. 33 Patentee after: CHINA JINGYE ENGINEERING Co.,Ltd. Patentee after: CENTRAL RESEARCH INSTITUTE OF BUILDING AND CONSTRUCTION CO., LTD. MCC Group Address before: 100080 Beijing city Haidian District Xitucheng Road No. 33 Patentee before: ZHONGYE WELDING TECHNOLOGY Co.,Ltd. Patentee before: CENTRAL RESEARCH INSTITUTE OF BUILDING AND CONSTRUCTION CO., LTD. MCC Group |
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