CN203409378U - Circular current device for short electric arc equipment - Google Patents
Circular current device for short electric arc equipment Download PDFInfo
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- CN203409378U CN203409378U CN201320500229.2U CN201320500229U CN203409378U CN 203409378 U CN203409378 U CN 203409378U CN 201320500229 U CN201320500229 U CN 201320500229U CN 203409378 U CN203409378 U CN 203409378U
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- assembly
- cathode
- main shaft
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Abstract
The utility model discloses a circular current device for short electric arc equipment. The circular current device for the short electric arc equipment comprises a negative pole supporting seat, a tool electrode assembly, a negative pole main shaft, a front bearing end closure assembly, an unloading seat assembly, a negative pole collector plate assembly and a variable-frequency and variable-speed motor assembly, wherein the tool electrode assembly is fixedly arranged at a seam of the left end of the negative pole supporting seat and can synchronously rotate with the negative pole supporting seat, the negative pole main shaft is rotatably arranged on the negative pole supporting seat through a front duplex bearing and a rear bearing which are arranged on the negative pole supporting seat in a matching manner, the front bearing end closure assembly, the unloading seat assembly and the negative pole collector plate assembly are respectively and fixedly arranged at the front end and the rear end of the negative pole supporting seat and a neutral position between the front duplex bearing and the rear bearing, and the variable-frequency and variable-speed motor assembly is fixedly arranged on a middle carriage of the short electric arc equipment and is respectively in matching connection with the negative pole main shaft and the tool electrode assembly. The circular current device for the short electric arc equipment, disclosed by the utility model, can be used for overcoming the defects of unreasonable structure, easiness to be polluted and inconvenience in use and the like in the prior art so as to realize the advantages of reasonable structure, incapability of being polluted and convenience in use.
Description
Technical field
The utility model relates to short arc discharge process equipment field, particularly, relates to a kind of short device of arc circulating device.
Background technology
In patent (application) number, for ZL02291891.4, name, be called in the patent (application) of cathode assembly that short electric arc cutting apparatus uses and power circuit, disclose a kind of cathode assembly of short electric arc cutting apparatus.In the cathode assembly of this short electric arc cutting apparatus, brush and collector ring are arranged on front portion, easily by water and dirt, are polluted, and clear up cumbersome during work.
In realizing process of the present utility model, inventor finds at least to exist in prior art unreasonable structure, easily contaminated and use the defects such as inconvenient.
Utility model content
The purpose of this utility model is, for the problems referred to above, proposes a kind of short device of arc circulating device, with implementation structure rationally, advantage that can not be contaminated and easy to use.
For achieving the above object, the technical solution adopted in the utility model is: a kind of short device of arc circulating device, comprise cathode bearing, be fixedly mounted on described cathode bearing left end stop portion, and can synchronize with cathode bearing the tool-electrode assembly rotating, by cooperation, be arranged on front duplex bearing and the rear bearing on described cathode bearing, rotary type is arranged on the negative electrode main shaft on cathode bearing, be fixedly mounted on respectively described cathode bearing front end, rear end, and the fore bearing end-cap assembly at neutral gear place between front duplex bearing and rear bearing, off-load holder assembly and cathode collector plate assembly, and be fixedly mounted on the middle carriage of short device of arc, and the frequency control motor assembly being connected with described negative electrode main shaft and tool-electrode assembly respectively.
Further, below described cathode bearing, coordinate padded assembly is installed, described frequency control motor assembly is arranged in the cavity of padded assembly; In the gabarit of described cathode bearing, the detachable electrode tip holder protective acoustic cover assembly that is provided with.
Further, described padded assembly, comprise the keel that is positioned at described cathode bearing below, between described cathode bearing and keel, be equipped with fixture, elastic component, insulator spacer and keeper, the temperature of frequency control motor assembly and for the keel baffle plate of frequency control motor assembly fixture for convenience detach when described keel is provided with for detection of work near the one side of active side;
In described cathode bearing right side, be provided with two support bars installing by screw thread; On described two support bars, insulation sleeve I and band wheel cover are all installed; Be positioned at described cathode bearing right side, at the aperture position place with wheel cover, be bolted strainer be installed, be equipped with described strainer the common V-type band that transmission is used; Support facade upper end at front duplex bearing and the rear bearing of cathode bearing, is provided with two lifting parts for lifting.
Further, described electrode tip holder protective acoustic cover assembly, comprises fixture and the elastic component by coordinating with described cathode bearing gabarit, installed, is arranged on the electrode tip holder protective cover of cathode bearing gabarit.
Further, described tool-electrode assembly, comprise the tool-electrode that is arranged on described negative electrode main shaft left end stop portion, and between described negative electrode main shaft and instrument motor and for tool-electrode being fixedly mounted in to the electrode holder of negative electrode main shaft left end stop portion.
Further, described fore bearing end-cap assembly, comprises the fore bearing end cap that is positioned at the axial of described front duplex bearing and is fixedly mounted on cathode bearing front end, and is installed on the elastic washer on described negative electrode main shaft;
Described circlip, will be arranged on the oil scraper ring I of the axial right-hand member of front duplex bearing, is positioningly arranged on negative electrode main shaft; In described oil scraper ring I, be provided with the tank filler sleeve for the filling of duplex bearing forward lubrication oil fat; Interior axial plane at described fore bearing end cap has dovetail groove and anti-leak packing ring is installed, for preventing that lubrication oil fat from spilling from the axial plane junction of negative electrode main shaft and fore bearing end cap;
Be positioned at described fore bearing end cap axially and be fixedly mounted on the protection insulation board of cathode bearing front end, described protection insulation board is detachable to be fixedly mounted on fore bearing end cap;
At described protection insulation board left end, be provided with positioning spigot; On the male half coupling end face of protection insulation board left end, be bolted flange is installed; On the male half coupling left side of described flange left end, by threaded fasteners and packing ring, protective cover load module is installed regularly; In protective cover load module, the gas-vapor mix device that gas-vapor mix device can be realized front and back and adjust up and down according to need of work is installed.
Further, described off-load holder assembly, comprise the off-load seat that is positioned at the axial of described rear bearing and is fixedly mounted on cathode bearing rear end, be arranged on the duplex bearing on the right axle of described off-load seat, the off-load seat belt pulley that is arranged on described duplex bearing outer ring and is connected with frequency control motor assembly, be opened on the excircle of described off-load seat belt pulley and the dovetail groove for common V-type band being installed and being carried out transmission, and the driver plate end cap that is arranged on the right axle of off-load seat belt pulley side end face by uniform fixture;
Described driver plate end cap, by flat key, links together with negative electrode main shaft; Driver plate end cap, by the rotation of off-load seat belt pulley, can drive the rotation of negative electrode main shaft;
Axial plane junction at interior axial plane and the negative electrode main shaft of described off-load seat, has dovetail groove and is provided with for preventing that dust and dirt from entering the dust washer in off-load seat 30 chambeies;
At the axial left end of described rear bearing, by the shaft shoulder of negative electrode main shaft, locate, oil scraper ring II is installed; In described oil scraper ring II, be provided with for the tank filler sleeve to rear bearing filling lubrication oil fat;
On the right axial plane of described negative electrode main shaft, offer shaft shoulder groove, and in shaft shoulder groove, shaft end ring is installed, for preventing, on negative electrode main shaft the past duplex bearing and rear bearing, scurry out.
Further, described cathode collector plate assembly, comprise be arranged on described cathode bearing go forward neutral gear place in the middle of duplex bearing and rear bearing, with frequency control motor assembly is connected and quantity can arrange as required cathode collector plate, be arranged in uniform way on described cathode collector plate and brush assembly of electric that quantity can arrange as required, be arranged on the cathode collector plate top of respective numbers and for guaranteeing the fixed bar of the respective numbers that the cathode collector plate of respective numbers is parallel;
Two fixed bars of described respective numbers, by insulating part and threaded connector, with the cathode collector plate insulation fixed installation of respective numbers; Bottom at the cathode collector plate of respective numbers, by screw thread fixation kit, insulating washer assembly and insulating pad, is fixedly mounted on cathode bearing;
Install, need to guarantee the center line of cathode collector plate and negative electrode main shaft, vertically be arranged on negative electrode main shaft middle part, and be arranged on the position that negative electrode main shaft middle part is cast with wear-resisting copper alloy, so that the brush on brush assembly of electric is evenly distributed on the axial plane of negative electrode main shaft, the rotation conducting function of negative electrode main shaft while realizing work.
Further, described brush assembly of electric adopts constant pressure stage clip, and the line nose of each brush assembly of electric center brush, is threaded connection part and elastic washer assembly, together with electrically connecting reliably with corresponding cathode collector plate.
Further, described frequency control motor assembly, comprise and be threaded connection the special cathode tension disc that assembly and elastic washer assembly and cathode collector plate assembly are linked together, one end is threaded connection assembly and elastic washer assembly, compress and be arranged on the cathode cable bundle cable on described special cathode tension disc, and is arranged on the frequency-conversion and speed-regulation motor in the cavity of padded assembly; The other end of described cathode cable bundle cable is connected to the negative pole of short device of arc processing power source;
Output spindle end at described frequency-conversion and speed-regulation motor, flat key and motor pulley are housed, motor pulley is connected with off-load holder assembly by common V-type band, adjustable frequency-conversion and speed-regulation motor 51 is rotated and is delivered on negative electrode main shaft and tool-electrode, the short electric-arc circular current electric discharge processing of implementation tool electrode and workpiece;
Described frequency-conversion and speed-regulation motor, is threaded connection assembly and elastic washer assembly, is fixedly mounted on the middle carriage of short device of arc, along with the movement of middle carriage, moves.
The short device of arc circulating device of each embodiment of the utility model, owing to comprising cathode bearing, be fixedly mounted on cathode bearing left end stop portion, and can synchronize with cathode bearing the tool-electrode assembly rotating, by cooperation, be arranged on front duplex bearing and the rear bearing on cathode bearing, rotary type is arranged on the negative electrode main shaft on cathode bearing, be fixedly mounted on respectively cathode bearing front end, rear end, and the fore bearing end-cap assembly at neutral gear place between front duplex bearing and rear bearing, off-load holder assembly and cathode collector plate assembly, and be fixedly mounted on the middle carriage of short device of arc, and the frequency control motor assembly being connected with negative electrode main shaft and tool-electrode assembly respectively, can be in conjunction with short arc power, realize the highly-efficient processing of cylindrical, inner circle, plane, cut-out and the end face of difficult processing conductive material, form and to realize technique simple, can produce in batches, thereby can overcome unreasonable structure in prior art, easily contaminated and use inconvenient defect, with implementation structure rationally, advantage that can not be contaminated and easy to use.
Other features and advantages of the utility model will be set forth in the following description, and, partly from description, become apparent, or understand by implementing the utility model.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Accompanying drawing explanation
Accompanying drawing is used to provide further understanding of the present utility model, and forms a part for description, is used from explanation the utility model with embodiment mono-of the present utility model, does not form restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the main TV structure schematic diagram of circulating device for the short device of arc of the utility model;
Fig. 2 is the side-looking structural representation of circulating device for the short device of arc of the utility model.
By reference to the accompanying drawings, in the utility model embodiment, Reference numeral is as follows:
1-tool-electrode; 2-keel; 3-bearing insulation plate; 4-cathode bearing; 5-oil scraper ring I; 6-flange; 7-sunk screw; 8-protects insulation board; 9-electrode holder; 10-screw; 11-negative electrode main shaft; 12-wool felt collar I; 13-fore bearing end cap; Duplex bearing before 14-; 15-bolt; 16-nut; 17-packing ring; 18-circlip; 19-electrode tip holder protective cover; 20-brush assembly of electric; 21-bolt; 22-nut; 23-cathode collector plate; 24-fixed bar; 25-oil scraper ring II; 26-rear bearing; 27-circlip; 28-screw; 29-wool felt collar II; 30-off-load seat; 31-end face baffle plate; 32-sunk screw; 33-off-load seat belt pulley; 34-duplex bearing; 35-screw; 36-driver plate end cap; 37-flat key; 38-shaft end ring; 39-gas-vapor mix device; The load module of 40-protective cover; 41-lifting bolt; 42-is with wheel cover; 43-negative electrode tension disc; 44-cathode connection plate; 45-cable; 46-bolt; 47-nut; 48-elastic washer; 49-packing ring; 50-strainer; 51-frequency-conversion and speed-regulation motor; 52-bolt; 53-packing ring; 54-elastic washer; 55-bolt; 56-packing ring; 57-elastic washer; 58-screw; 59-packing ring; 60-elastic washer; 61-insulation sleeve I; 62-support bar; 63-flat key; The common V-type band of 64-; 65-motor pulley; 66-insulation sleeve IV; 67-elastic washer; 68-packing ring; 69-bolt; 70-bolt; 71-insulating pad; 72-bolt; 43-insulation sleeve II; 74-connects angle bar; 75-keel baffle plate; 76-insulating washer; 77-insulation sleeve I; 78-pin; 79-middle carriage.
The specific embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described, should be appreciated that preferred embodiment described herein is only for description and interpretation the utility model, and be not used in restriction the utility model.
According to the utility model embodiment, as depicted in figs. 1 and 2, provide a kind of short device of arc circulating device, be specially a kind of circulating device of the on-the-spot processing of short device of arc use of constant linear velocity.
Referring to Fig. 1 and Fig. 2, the short device of arc circulating device of the present embodiment, comprises cathode bearing 4, and negative electrode main shaft 11, by front duplex bearing 14 and rear bearing 26, can be arranged on cathode bearing 4 flexible rotating; Front duplex bearing 14 axially and be positioned at cathode bearing 4 front ends, be installed with fore bearing end cap 13, rear bearing 26 axially and be positioned at cathode bearing 4 rear ends, by screw 28, be installed with off-load seat 30.
Axial right-hand member at front duplex bearing 14, is provided with oil scraper ring I 5; Circlip 18 is installed on negative electrode main shaft 11, so that oil scraper ring I 5 is positioningly arranged on negative electrode main shaft 11; In oil scraper ring I 5, be provided with tank filler sleeve, to realize the grease lubrication of front duplex bearing 14 simultaneously; Interior axial plane at fore bearing end cap 13 has dovetail groove and wool felt collar I 12 is installed, to prevent that lubricating grease from spilling from negative electrode main shaft 11 and the axial plane junction of fore bearing end cap 13.At the axial left end of rear bearing 26, by the shaft shoulder of negative electrode main shaft 11, locate, oil scraper ring II 25 is installed; In oil scraper ring II 25, be provided with tank filler sleeve, to realize the grease lubrication of rear bearing 26, guarantee bearing life and normal operation simultaneously; Interior axial plane and negative electrode main shaft 11 axial plane junctions at off-load seat 30, have dovetail groove and wool felt collar II 29 be installed, to prevent that dust and dirt from entering in the chamber of off-load seat 30.
In the axial of fore bearing end cap 13 and near cathode bearing 4 front ends, be installed with protection insulation board 8, protection insulation board 8 is fixedly mounted on fore bearing end cap 13 by sunk screw 7.At protection insulation board 8 left ends, be provided with positioning spigot; On the male half coupling end face of protection insulation board 8 left ends, be bolted flange 6 is installed; On the male half coupling left side of flange 6 left ends, by bolt 15, nut 16, packing ring 17, protective cover load module 40 is installed regularly; In protective cover load module 40, gas-vapor mix device 39 is installed, this gas-vapor mix device 39 can be realized front and back and adjust up and down according to need of work.
At negative electrode main shaft 11 left end stop portions, tool-electrode 1 is installed; Electrode holder 9, by uniform screw 10, is fixedly mounted in negative electrode main shaft 11 left end stop portions by tool-electrode 1, realizes the synchronous rotation of electrode holder 9, tool-electrode 1 and negative electrode main shaft 11.
Cathode bearing 4 rear ends (or claim right-hand member), that by screw 28, installs regularly has an off-load seat 30; On the right axle of off-load seat 30, duplex bearing 34 is installed; In the outer ring of duplex bearing 34, off-load seat belt pulley 33 is installed; On the excircle of off-load seat belt pulley 33, offer the dovetail groove that carries out transmission for common V-type band 64 is installed; The right axle side end face of off-load seat belt pulley 33, by uniform screw 35, is provided with driver plate end cap 36; Driver plate end cap 36, by flat key 37, links together with negative electrode main shaft 11; Driver plate end cap 36, by the rotation of off-load seat belt pulley 33, can drive the rotation of negative electrode main shaft 11; For preventing scurrying out on 11 the past of negative electrode main shaft duplex bearing 14 and rear bearing 26, on the right axial plane of negative electrode main shaft 11, offer shaft shoulder groove, shaft end ring 38 is installed in shaft shoulder groove.
Cathode bearing 4 passes through bolt 69, elastic washer 67, packing ring 68, and isolates by the insulation of insulation sleeve IV 66 and bearing insulation plate 3, is fixedly mounted on keel 2, and finally locates by dielectric pin 78; In the right side of cathode bearing 4, be provided with two support bars 62 installing by screw thread, on these two support bars 62, insulation sleeve I 61 is all installed, and by nut, band wheel cover 42 is fixedly mounted on two support bars 62; Strainer 50 is bolted the aperture position place that is arranged on cathode bearing 4 right side band wheel covers 42, in order to adjust the degree of tightness of common V-type band 64, realizes normal belt work.The front and back bearings of cathode bearing 4 supports facade upper end, and two lifting bolts 41 are installed, whole with circulating device in order to lift this short device of arc; The gabarit of this cathode bearing 4, by screw 58, packing ring 59 and elastic washer 60, is provided with electrode tip holder protective cover 19, to prevent that water and dirt from damaging the part of electrode tip holder protective cover 19.
In the middle of the front and back bearings of cathode bearing 4, neutral gear place, is provided with cathode collector plate 23, and the quantity of cathode collector plate 23 can design as required, shows two cathode collector plates 23 in Fig. 1; Brush assembly of electric 20 is installed in uniform way on cathode collector plate 23, how many designs as required of brush assembly of electric 20; Two fixed bars 24 are equipped with on the top of two cathode collector plates 23, to keep two cathode collector plates 23 parallel; Two fixed bars 24 are shown in Fig. 1 by insulating washer 76 and insulation sleeve I 77(), with nut and two cathode collector plate 23 insulation fixed installations; The bottom of two cathode collector plates 23 is arranged on insulating pad 71, and by bolt 72, insulation sleeve II 73, connection angle bar 74, insulating pad 71, is fixedly mounted in (see figure 1) on cathode bearing 4; And, connect angle bar 74 and see Fig. 1 by insulating washer 76 and insulation sleeve I 77(), with bolt 70 and nut and two cathode collector plate 23 insulation fixed installations.While installing simultaneously, need to guarantee that cathode collector plate 23 and the center line of negative electrode main shaft 11 are vertically arranged on negative electrode main shaft 11 middle parts, and be arranged on the position that negative electrode main shaft 11 middle parts are cast with wear-resisting copper alloy, so that the brush on brush assembly of electric 20 is evenly distributed on the axial plane of negative electrode main shaft 11, the rotation conducting function of negative electrode main shaft 11 while realizing work; Brush assembly of electric 20 adopts constant pressure stage clip, and the line nose of each brush assembly of electric 20 center brush links together by bolt 22, packing ring, bullet pad and cathode collector plate 23, to guarantee to connect well, realizes and electrically connecting reliably.
One end of cathode cable bundle cable 45,, is compressed ground and connects with cathode connection plate 44 by bolt 46, nut 47, elastic washer 48 and packing ring 49 by special cathode tension disc 43; Cathode connection plate 44, by identical bolt 46, nut 47, elastic washer 48 and packing ring 49, is linked together with cathode collector plate 23; The other end of cathode cable bundle cable 45, is connected to the negative pole of short device of arc processing power source.
Frequency-conversion and speed-regulation motor 51 is arranged in the cavity of keel 2, can prevent the harmful effect of dirt to motor 51, guarantees normal operation for a long time; The output spindle end of frequency-conversion and speed-regulation motor 51, flat key 63 and motor pulley 65 are housed, motor pulley 65 is connected with off-load seat belt pulley 33 by common V-type band 64, adjustable frequency-conversion and speed-regulation motor 51 is rotated and is delivered on negative electrode main shaft 11 and tool-electrode 1, realize the band transmission of need of work, final implementation tool electrode 1 is processed with the short electric-arc circular current electric discharge of workpiece.
Frequency-conversion and speed-regulation motor 51, by bolt 52, packing ring 53, elastic washer 54, is fixedly mounted on the middle carriage 79 of short device of arc, along with the movement of middle carriage 79, moves.
Keel 2, near the one side of active side, is provided with keel baffle plate 75, the temperature when checking work during frequency-conversion and speed-regulation motor 51, and the bolt 52 of fixedly frequency-conversion and speed-regulation motor 51 use for convenience detach, packing ring 53 and elastic washer 54.
In sum, the short device of arc circulating device of the utility model above-described embodiment, changes existing structure into brush and collector ring is mid-, and has the protection of stainless steel protective cover, has guaranteed the long-lasting of work, good through result of use; And motor has been arranged in cavity, guaranteed also can work having under the environment of water, be unlikely to make dirt to be splashed on motor.By this short device of arc circulating device, in conjunction with short arc power, realize the highly-efficient processing of cylindrical, inner circle, plane, cut-out and the end face of difficult processing conductive material, form and to realize technique simple, can produce short device of arc in batches.
Compared with prior art, the short device of arc circulating device of the utility model above-described embodiment, at least can reach following beneficial effect:
(1) economic and practical is stronger, manufactures more conveniently, more easily guarantees working stability;
(2) low cost of manufacture, material easily obtains, and user uses reflection good;
(3) adopt and relatively manufacture simple design, realize the highly-efficient processing of difficult processing conductive material;
(4) motor is arranged in keel, has guaranteed that motor is not impaired, not contaminated.
Finally it should be noted that: the foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, although the utility model is had been described in detail with reference to previous embodiment, for a person skilled in the art, its technical scheme that still can record aforementioned each embodiment is modified, or part technical characterictic is wherein equal to replacement.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (10)
1. one kind short device of arc circulating device, it is characterized in that, comprise cathode bearing, be fixedly mounted on described cathode bearing left end stop portion, and can synchronize with cathode bearing the tool-electrode assembly rotating, by cooperation, be arranged on front duplex bearing and the rear bearing on described cathode bearing, rotary type is arranged on the negative electrode main shaft on cathode bearing, be fixedly mounted on respectively described cathode bearing front end, rear end, and the fore bearing end-cap assembly at neutral gear place between front duplex bearing and rear bearing, off-load holder assembly and cathode collector plate assembly, and be fixedly mounted on the middle carriage of short device of arc, and the frequency control motor assembly being connected with described negative electrode main shaft and tool-electrode assembly respectively.
2. short device of arc circulating device according to claim 1, is characterized in that, below described cathode bearing, coordinates padded assembly is installed, and described frequency control motor assembly is arranged in the cavity of padded assembly; In the gabarit of described cathode bearing, the detachable electrode tip holder protective acoustic cover assembly that is provided with.
3. short device of arc circulating device according to claim 2, it is characterized in that, described padded assembly, comprise the keel that is positioned at described cathode bearing below, between described cathode bearing and keel, be equipped with fixture, elastic component, insulator spacer and keeper, the temperature of frequency control motor assembly and for the keel baffle plate of frequency control motor assembly fixture for convenience detach when described keel is provided with for detection of work near the one side of active side;
In described cathode bearing right side, be provided with two support bars installing by screw thread; On described two support bars, insulation sleeve I and band wheel cover are all installed; Be positioned at described cathode bearing right side, at the aperture position place with wheel cover, be bolted strainer be installed, be equipped with described strainer the common V-type band that transmission is used; Support facade upper end at front duplex bearing and the rear bearing of cathode bearing, is provided with two lifting parts for lifting.
4. short device of arc circulating device according to claim 2, is characterized in that, described electrode tip holder protective acoustic cover assembly comprises fixture and the elastic component by coordinating with described cathode bearing gabarit, installed, is arranged on the electrode tip holder protective cover of cathode bearing gabarit.
5. according to the short device of arc circulating device described in any one in claim 1-4, it is characterized in that, described tool-electrode assembly, comprise the tool-electrode that is arranged on described negative electrode main shaft left end stop portion, and between described negative electrode main shaft and instrument motor and for tool-electrode being fixedly mounted in to the electrode holder of negative electrode main shaft left end stop portion.
6. according to the short device of arc circulating device described in any one in claim 1-4, it is characterized in that, described fore bearing end-cap assembly, comprise the fore bearing end cap that is positioned at the axial of described front duplex bearing and is fixedly mounted on cathode bearing front end, and be installed on the elastic washer on described negative electrode main shaft;
Described circlip, will be arranged on the oil scraper ring I of the axial right-hand member of front duplex bearing, is positioningly arranged on negative electrode main shaft; In described oil scraper ring I, be provided with the tank filler sleeve for the filling of duplex bearing forward lubrication oil fat; Interior axial plane at described fore bearing end cap has dovetail groove and anti-leak packing ring is installed, for preventing that lubrication oil fat from spilling from the axial plane junction of negative electrode main shaft and fore bearing end cap;
Be positioned at described fore bearing end cap axially and be fixedly mounted on the protection insulation board of cathode bearing front end, described protection insulation board is detachable to be fixedly mounted on fore bearing end cap;
At described protection insulation board left end, be provided with positioning spigot; On the male half coupling end face of protection insulation board left end, be bolted flange is installed; On the male half coupling left side of described flange left end, by threaded fasteners and packing ring, protective cover load module is installed regularly; In protective cover load module, the gas-vapor mix device that gas-vapor mix device can be realized front and back and adjust up and down according to need of work is installed.
7. according to the short device of arc circulating device described in any one in claim 1-4, it is characterized in that, described off-load holder assembly, comprise and be positioned at the axial of described rear bearing, and be fixedly mounted on the off-load seat of cathode bearing rear end, be arranged on the duplex bearing on the right axle of described off-load seat, be arranged on described duplex bearing outer ring, and the off-load seat belt pulley being connected with frequency control motor assembly, be opened on the excircle of described off-load seat belt pulley, and for the dovetail groove of common V-type band being installed and being carried out transmission, and the driver plate end cap that is arranged on the right axle of off-load seat belt pulley side end face by uniform fixture,
Described driver plate end cap, by flat key, links together with negative electrode main shaft; Driver plate end cap, by the rotation of off-load seat belt pulley, can drive the rotation of negative electrode main shaft;
Axial plane junction at interior axial plane and the negative electrode main shaft of described off-load seat, has dovetail groove and is provided with for preventing that dust and dirt from entering the dust washer in off-load seat (30) chamber;
At the axial left end of described rear bearing, by the shaft shoulder of negative electrode main shaft, locate, oil scraper ring II is installed; In described oil scraper ring II, be provided with for the tank filler sleeve to rear bearing filling lubrication oil fat;
On the right axial plane of described negative electrode main shaft, offer shaft shoulder groove, and in shaft shoulder groove, shaft end ring is installed, for preventing, on negative electrode main shaft the past duplex bearing and rear bearing, scurry out.
8. according to the short device of arc circulating device described in any one in claim 1-4, it is characterized in that, described cathode collector plate assembly, comprise be arranged on described cathode bearing go forward neutral gear place in the middle of duplex bearing and rear bearing, with frequency control motor assembly is connected and quantity can arrange as required cathode collector plate, be arranged in uniform way on described cathode collector plate and brush assembly of electric that quantity can arrange as required, be arranged on the cathode collector plate top of respective numbers and for guaranteeing the fixed bar of the respective numbers that the cathode collector plate of respective numbers is parallel;
Two fixed bars of described respective numbers, by insulating part and threaded connector, with the cathode collector plate insulation fixed installation of respective numbers; Bottom at the cathode collector plate of respective numbers, by screw thread fixation kit, insulating washer assembly and insulating pad, is fixedly mounted on cathode bearing;
Install, need to guarantee the center line of cathode collector plate and negative electrode main shaft, vertically be arranged on negative electrode main shaft middle part, and be arranged on the position that negative electrode main shaft middle part is cast with wear-resisting copper alloy, so that the brush on brush assembly of electric is evenly distributed on the axial plane of negative electrode main shaft, the rotation conducting function of negative electrode main shaft while realizing work.
9. short device of arc circulating device according to claim 8, it is characterized in that, described brush assembly of electric adopts constant pressure stage clip, the line nose of each brush assembly of electric center brush, be threaded connection part and elastic washer assembly, together with electrically connecting reliably with corresponding cathode collector plate.
10. according to the short device of arc circulating device described in any one in claim 1-4, it is characterized in that, described frequency control motor assembly, comprise and be threaded connection the special cathode tension disc that assembly and elastic washer assembly and cathode collector plate assembly are linked together, one end is threaded connection assembly and elastic washer assembly, compress and be arranged on the cathode cable bundle cable on described special cathode tension disc, and is arranged on the frequency-conversion and speed-regulation motor in the cavity of padded assembly; The other end of described cathode cable bundle cable is connected to the negative pole of short device of arc processing power source;
Output spindle end at described frequency-conversion and speed-regulation motor, flat key and motor pulley are housed, motor pulley is connected with off-load holder assembly by common V-type band, adjustable frequency-conversion and speed-regulation motor (51) is rotated and is delivered on negative electrode main shaft and tool-electrode, the short electric-arc circular current electric discharge processing of implementation tool electrode and workpiece;
Described frequency-conversion and speed-regulation motor, is threaded connection assembly and elastic washer assembly, is fixedly mounted on the middle carriage of short device of arc, along with the movement of middle carriage, moves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320500229.2U CN203409378U (en) | 2013-08-16 | 2013-08-16 | Circular current device for short electric arc equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320500229.2U CN203409378U (en) | 2013-08-16 | 2013-08-16 | Circular current device for short electric arc equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203409378U true CN203409378U (en) | 2014-01-29 |
Family
ID=49972306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320500229.2U Expired - Fee Related CN203409378U (en) | 2013-08-16 | 2013-08-16 | Circular current device for short electric arc equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203409378U (en) |
-
2013
- 2013-08-16 CN CN201320500229.2U patent/CN203409378U/en not_active Expired - Fee Related
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Assignee: XI'AN JINHU AVIATION TECHNOLOGY Co.,Ltd. Assignor: XINJIANG SHORT ELECTRIC ARC SCIENTIFIC & TECHNICAL DEVELOPMENT Co.,Ltd. Contract record no.: 2017650000004 Denomination of utility model: A kind of short device of arc circulating device Granted publication date: 20140129 License type: Common License Record date: 20170111 |
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