CN2239318Y

CN2239318Y - Hi-frequency rotary welding screening tube machine

Info

Publication number: CN2239318Y
Application number: CN 95237078
Authority: CN
Inventors: 陈仕任
Original assignee: Individual
Current assignee: Individual
Priority date: 1995-06-28
Filing date: 1995-06-28
Publication date: 1996-11-06
Anticipated expiration: 2005-06-28

Abstract

The utility model relates to a high-frequency rotary welding machine for screen tubes, which comprises a main shaft box, a main shaft, a travelling-distance gearbox, a welding head mechanism, an intermediate transmission device and a machine body, wherein the main shaft is provided with a positioning clamping fixture, and the intermediate transmission device is provided with a locking clamping fixture and a fixed cross beam and is driven by the main shaft to make synchronous rotation and rectilinear motion so that a screen tube makes rotation and rectilinear motion continuously and spirally welds grid bars on the cross beam to form screen tubes. The utility model has the advantages of compact structure, beautiful appearance, precise and accurate structure, high welding strength and good quality.

Description

High frequency changes weldering screen casing lathe

The utility model relates to a kind of high frequency changes weldering screen casing lathe, belongs to screen casing welding machine tool class, is specially adapted to weld the screen casing of plurality of specifications different materials.

The commentaries on classics weldering screen casing lathe of domestic production at present, being low frequency changes weldering screen casing lathe, and its main defective is that product quality is bad, and weld strength is low, grating slit inequality, screen casing surface irregularity, the unequal material welding of basal area difficulty.

It is a kind of simple in structure, easy to operate that the purpose of this utility model is to provide, and can guarantee that welding quality is good, and the grating gap is even, and the screen casing surfacing can weld that plurality of specifications is different with material, the high frequency of the different screen casings of material shape changes weldering screen casing lathe.

Realize that structure of the present utility model comprises main spindle box, main shaft, intermediate gearing soldering tip mechanism, walk apart from gearbox and lathe bed, main spindle box is that the power source of whole lathe also is the gear of main shaft, main shaft is a hollow shaft, one end is fixed with the crossbeam positioning clamping fixture and the input source of welding current, crossbeam stretches in the axle, main shaft plays the maintenance effect, the crossbeam locking device is installed on the intermediate gearing, be one to make crossbeam make rotation and straight-line device, soldering tip mechanism is arranged on by between the positioning clamping fixture of main shaft one end and the locking mold, introduce the source of welding current, by grating and crossbeam, make the source of welding current form path, and grating and crossbeam are welded together, crossbeam constantly rotates displacement constantly, grating is welded on spirally forms screen casing on the crossbeam, and walking apart from gearbox is the straight-line speed changer of intermediate gearing, lathe bed is the straight-line track of intermediate gearing, and the source of welding current of the present utility model is the high frequency electric source of being introduced through transformer by radio-frequency generator.

Below will be described in further detail by embodiment of the present utility model and accompanying drawing thereof.

Description of drawings

Accompanying drawing 1 high frequency changes weldering screen casing lathe always schemes

Accompanying drawing 2 lathe K are to view

Accompanying drawing 3 main spindle box cutaway views

Accompanying drawing 4 main spindle box K are to view

Accompanying drawing 5 main spindle box C are to view

Accompanying drawing 6 main shaft cutaway views

Accompanying drawing 7 is walked apart from the gearbox outside drawing

Accompanying drawing 8 is walked apart from the gearbox cutaway view

Accompanying drawing 9 soldering tip mechanism structure figure

Accompanying drawing 10 soldering tip mechanism cutaway views

Accompanying drawing 11 intermediate gearing structure charts

Accompanying drawing 12 intermediate gearing cutaway views

Accompanying drawing 13 lathe bed structure figure

Accompanying drawing 14 lathe bed sectional drawings

Detailed description of main elements is as follows:

Bearing before 1, railway carriage or compartment, 2 back housing, 3 motor, 4 brakes, 5 three speed transmissions, 6 decelerators, 7,8,9,11,13,14,68 gears, 10 belt pulleys, 12 major axis, 15 assembly pulleys, 16 V belts, 17 carbon brushes, 18,19 electrical conductors, 20 carrier gears, 21 pulley adjusting devices, 22 electric appliance control boxes, 23 positioning clamping fixtures, 24 copper sheathings, 25 bearing clamping plate, 26 soft shaft couplings, 27 synchronous rotating mechanisms, 28,32 forks, 29,30,31 gear change hand levers, 33,37 lower shafts, 34 cone pulleys, 35, axle on 39,36,38 change-speed gearings, 40 weldering wheel pressure-regulating devices, 41 grating means for correctings, 42 levers, 43 panels, 44 dress plates, 45 advance the grating mouth, 46 insulation bearing covers, 47 weldering wheel shaft centre bores, 48 water inlet pipes, 49 weldering wheels, 50 screen casings, 51 carbide alloy mouth bars, 52 mouth bar clamping force micromatic settings, 53 hook nail nuts are on the 54 weldering wheels, following trimming hand wheel, 55 operating grips, 56 calibration loops, 57 female silks, 58 weldering wheel shafts, 59 transformers, 60 gratings, 61 adjusting handles, the 62 weldering wheel shafts devices that conduct electricity, 63 slide blocks, 64,65 locking molds, 66 tie down screws, 67 hollow shafts, 69 main bearing seats, 70 long lead screws, 71,77 thrust ball bearings, 72 main female silks, 73 regulate female silk, 74 long polished rods, 75 sliding bearing seats, 76 nuts, 78 supporting bases, 79,83 adjustment screw, 80 installing plates, 81 sliding gear tubes, 82 a female supporting base, 84,85,95 pulleys, 86 dress plankers, 87 switch hooks, 88 crossbeams, 89 channel-section steels, 90 dividing plates, 91 stay pipes, 92 adjusting nuts, 93 pressure pin devices, 94 support springs, piece, 97 support plates are held in 96 holders.

Present embodiment, it is a kind of alternating-current resistance bonding machine bed that utilizes high frequency electric source to carry out the screen casing welding, screen casing welding is to be skeleton with several crossbeams, with being welded on the crossbeam of grating spirality, and form screen casing owing to the demand difference of every profession and trade to screen casing, so diameter to screen casing, the requirement of having nothing in common with each other in gap between the grating, the high frequency of present embodiment changes weldering screen casing lathe according to this requirement design, it comprises main spindle box, main shaft, walk apart from gearbox, soldering tip mechanism, intermediate gearing and lathe bed, main spindle box comprises: referring to Fig. 1,2,3,4,5, preceding bearing 1, back railway carriage or compartment housing 2 and top transmission mechanism thereof, transmission mechanism is by motor 3, brake 4, three speed transmissions 5, the gear 9 of decelerator 6 and output constitutes, motor drives transmission system by V belt 16 and belt pulley 10, one side of back railway carriage or compartment housing 2 is provided with away apart from gearbox, another side is provided with electric appliance control box 22, preceding bearing is provided with transformer 59, the once input of transformer is introduced by radio-frequency generator, radio-frequency generator is provided with microcomputerized controller, control its frequency and voltage, can select suitable frequency and voltage for use according to the material of institute's weldering screen casing and the difference in cross section thereof, pass in main shaft the past bearing and railway carriage or compartment, the back housing, there are four groups of assembly pulleys 15 to come the front end of supporting spindle in the preceding bearing, and there are four groups of adjusting devices 21 to adjust the center of main shaft, the tail end of main shaft is by bearing clamping plate 25 supportings that are fixed on railway carriage or compartment, the back housing 2, the gear 8 that the output gear 9 of decelerator 6 drives on the main shaft makes main axis rotation, gear 7 on the main shaft with about identical gear 14 engagements of two numbers of teeth, can drive long polished rod 74 rotations of intermediate gearing respectively and drive major axis 12 in the housing of railway carriage or compartment, back, the major axis other end drives gear 11 rotations on the housing tail end quadrant plate of railway carriage or compartment, back, import into apart from gearbox after speed change, the long lead screw 70 that process gear 13 and axle gear 20 are imported intermediate gearing into rotates, main shaft is a hollow shaft referring to Fig. 6, one end is big, one end is little, at a big end positioning clamping fixture 23 is installed, uniform slotted eye is arranged on it, so that crossbeam 88 can penetrate in the main shaft from the hole just, the size of positioning clamping fixture diameter and the shape in hole, quantity is to decide according to the screen casing product, therefore positioning clamping fixture has a variety of specifications, can change, the copper sheathing 24 of input high frequency electric source also is installed on main shaft, it is drawn through electrical conductor 18 and carbon brush 17 inputs by transformer secondary output, because of the length of screen casing may be very long, for preventing that the crossbeam in the main shaft from disorderly getting rid of, distortion, strand is mixed, adopted soft shaft coupling 26, one cover synchronous rotating mechanism 27 of connection and transmission main shaft tail end, walk apart from gearbox referring to Fig. 7,8, go up axle 35 by two, 39, two

lower shafts

33,37 and the gear handle fork constitute, it mainly acts on is to change the straight-line speed of intermediate gearing, change gap between grating with this, it has 7 cone pulleys, 34 rotations on the gear 11 transmission lower shafts 33, regulate by the gear change hand lever 29 on the last axle 35 and can make 7 kinds of rotating speeds of axle 35 generations, again by handle 30 and change-speed gearing 36, make gears engaged on the lower shaft 37 by fork 28 speed governing, obtain three kinds of speed, by gear change hand lever 31 by fork 32 make change-speed gearing 38 respectively with last axle 39 on three gears engaged, obtain three kinds of speed again, therefore walk apart from speed changer 63 kinds of rotating speed outputs can be arranged, by carrier gear 20 and gear 13 transmission long lead screws, leading screw just, counter-rotating can make intermediate gearing make reciprocal rectilinear motion on lathe bed, and soldering tip mechanism is referring to Fig. 9,10.Soldering tip mechanism comprises the weldering wheel, the grating coalignment, weldering wheel adjusting device, weldering wheel cooling device and power supply input unit, on the support plate 97 before it is mounted on screw on the bearing, square groove is arranged on the support plate, the panel 43 and the slide block 63 that cooperate with square groove are housed in it, slide block is by the female silk 57 that is articulated on the support plate, be inserted on the screw mandrel that connects with operating grip 55 and support, with screw attachment dress plate 44 is arranged below the slide block, grating coalignment 41, in the screwed hole of weldering wheel 49 1 ends, screw on it into grating mouth 45 is arranged, and the locking nut of regulatory function arranged, when changing, the screen casing diameter can finely tune, advance to have in the grating mouth 45 two positive gratings of carbide alloy bar 51 folders that angle is identical with the grating angle, its clamping force has micrometer adjusting screw 52 and adjusting handle 61 to regulate, be connected with lever on the slide block 63, its end is hinged with dress plate 44 by the spring pressure adjusting device, one end is equipped with weldering wheel shaft 58, weldering wheel 49 is housed on the weldering wheel shaft, the place that connects with the weldering wheel shaft 58 and the device 62 that conducts electricity uses insulation bearing cover 46 and insulating materials to make, make it to form the electric energy loss that open circuit reduces the high-frequency induction eddy current with miscellaneous part, the device 62 that conducts electricity is imported power supply by 59 levels of transformer by electrical conductor l9, it is a hollow device that conducts electricity, import cooling water by water inlet pipe 48, porose in it, move the water to flow into the centre bore 47 in the weldering wheel shaft, the weldering wheel shaft has aperture at an end of dress weldering wheel, water is injected on the surface of weldering wheel 49, the butt welding wheel cools off, the pressure of 49 pairs of gratings of weldering wheel is finely tuned with the trimming hand wheel up and down 54 of spring regulating device 40, weldering wheel 49 contact with grating 60 how much, being provided with hook nail nut 53 on lever 42 finely tunes, because the change of screen casing diameter, then welding wheel 49 and advancing grating mouth 45 needs, following adjusting is by operating grip 55 and screw mandrel and 63 adjustings of female silk 57 driving blocks, and there are calibration loop 56 expression adjustment amounts to carry out coarse adjustment, to be that anti-limited slip block is loosening wave to guarantee the screen casing welding quality panel 43, and grating 60 feedstock directions are consistent with the main axis rotation direction, and crossbeam and screen casing 50 haul grating and rotate like this, the weldering wheel presses grating also along with rotation, the high frequency electric source that is imported by carbon brush 17 and copper ring 24 on the main shaft and forms path by the high frequency electric source that the weldering wheel shaft imports and weld is characterized in that the high-frequency welding power supply is to import pad at the same end of preceding bearing and soldering tip mechanism, with the minimizing eddy current loss, intermediate gearing, referring to Figure 11,12, comprise main bearing seat 69, long lead screw transmission device and long polished rod transmission device and locking mold 64 or 65, the hollow shaft 67 of band thrust ball bearing 71 is installed on the main bearing seat, be fixed with gear 68 and locking mold 64 or 65 on the hollow shaft, on the locking mold uniform crossbeam groove and tie down screw 66 arranged, the locking mold has and location tire 23 corresponding all sizes, can correspondingly change, main bearing seat one side is that it has the balladeur train 81 that meshes with gear 68 along switch hook 87 by 75 supportings of sliding bearing seat on the long polished rod by the main shaft 7 long polished rod transmission devices that drive by gear 14 that cog, driving locking mold and screen casing 50 and crossbeam 88 and main shaft rotates synchronously, be connected with the long lead screw transmission device below the main bearing seat, comprise long lead screw 70, main female silk 72 and eliminate female 73 of the adjusting in gap between long lead screw and the main female silk, supporting base 78 supporting long lead screw tail ends are by two nut 76 locking positionings, thrust ball bearing 77 is housed in it, on, following each four adjustment screw 79, the 83rd, be convenient to adjust this device and main shaft concentricity, main female silk and to regulate female silk 73 be to be contained in female silk supporting base 82, female silk supporting base is fixed on the installing plate 80, and fixing with dress planker 86, as to be convenient to proofread and correct long filament bar and female silk concentricity is by walking apart from the long filament bar 70 of gearbox output gear driven rotary, make the moving dress of main female silk ribbon planker do a left side, right rectilinear motion, dress is equipped with 4 groups of pulleys 84 on the planker and moves above lathe bed, and it clamps lathe bed with pulley 84 to also have 4 groups of pulleys 85, and control adorns that planker can not break away from lathe bed and generation is beated, for preventing that sliding gear tube 81 from running out of, this has put two locking nuts and has fixed.Lathe bed is referring to Figure 13, the 14th, with channel beam 89, every steel plate 90, equidistant stay tube 91 is symmetrically welded and forms, for preventing 70 bendings of long filament bar, in the middle of lathe bed, be provided with the movable pressure pin device 93 of two springs, holder is held piece 96 and is directly contacted with the long filament bar, the nut 92 of regulating pressure is arranged below the support spring 94, during will the contact spring movable pressure pin device 93 of the female silk supporting base on the intermediate gearing, on dress planker 86, be welded with two pairs and press down wedge, 93 pop-ups of the movable pressure pin device of spring being held the pulley 95 at piece two ends depresses simultaneously, it is current smoothly to be convenient to intermediate gearing, current back support spring 94 makes holder hold piece 96 risings, hold up the long filament bar heavily again, make the long filament bar keep horizontal level, drive disk assembly and the gearbox etc. of exposing of the present utility model all have the protective cover protection.

Operating process of the present utility model is, at first with the positioning clamping fixture of product needed and locking mold, be respectively installed on main shaft and the intermediate gearing, then product is needed with crossbeam penetrate to be locked in the crossbeam hole of positioning clamping fixture on the main shaft and with tie down screw 66 and lock on the mold, intermediate gearing is moved under the soldering tip mechanism then, make the crossbeam of locking on the mold below the weldering wheel, again grating is delivered on the following crossbeam of weldering wheel, depressed the weldering wheel, regulate pressure, regulate the contact position of weldering wheel and grating, be transferred to required grating interstitial velocity with walking, send into cooling water, starter apart from gearbox, sending into high frequency electric source gets final product, make the cross beam edges rotation, side weld connects, and the limit moves right, be welded into screen casing, voltage, frequency can be controlled automatically by microcomputer.After welding is finished, stop the rotation, the whole clamping screws that unclamp the locking mold can unload product, begin new welding.

As from the foregoing, the utility model compact conformation, aesthetic in appearance, likeness in form lathe, adjusting device is many, precise structure, accurate, the welding of use high frequency electric source, the weld strength height, quality is good, product design is smooth, the gap is even, cheap, safe and reliable, can satisfy the requirement of high-quality screen casing product, satisfy the requirement of industry-by-industry, filled up domestic blank, alternative imported product the screen casing quality.

Claims

1, a kind of high frequency changes weldering screen casing lathe, comprises main spindle box, main shaft, walks apart from gearbox, soldering tip mechanism, intermediate gearing and lathe bed, it is characterized in that:

(1) bearing 1 before main spindle box comprises, back railway carriage or compartment housing 2 and top transmission mechanism thereof, transmission mechanism comprises motor 3, brake 4, three speed transmissions 5, decelerator 6 output gears 9, back railway carriage or compartment housing 2 and top transmission mechanism thereof, transmission mechanism comprises motor 3, brake 4, three speed transmissions 5, decelerator 6 and output gear 9, the one side of back railway carriage or compartment housing 2 is provided with away apart from gearbox, another side is provided with electric appliance control box 22, preceding bearing 1 is provided with transformer 59, be connected with soldering tip mechanism, pass in main shaft the past bearing and railway carriage or compartment, the back housing, preceding bearing is provided with four groups of assembly pulleys 15 and four groups of adjusting devices 21 of adjusting alignment of shafts positions of supporting spindle front end, be fixed with the bearing clamping plate 25 of supporting spindle tail end on the housing of back railway carriage or compartment, in the back railway carriage or compartment housing 2 major axis 12 is arranged, gear 11 after one end has gear 14, one ends to drive on the housing tail end quadrant plate of railway carriage or compartment.

(2) main shaft is a hollow shaft, one end is big, one end is little, at a big end positioning clamping fixture 23 is installed, be evenly equipped with crossbeam 88 on it just by entering the slotted eye in the main shaft, be equiped with gear 8 and 7 and the copper sheathing 24 and the carbon brush 17 of input high frequency electric source on the main shaft, also be provided with and connect and the soft shaft coupling 26 of a cover synchronous rotating mechanism 27 of transmission main shaft tail end, the gear 7 on the main shaft drives long polished rod 74 respectively and walks apart from gearbox gear 14.

(3) walk apart from gearbox by two last axles 35,39, formations such as two lower shafts 33,37 and gear handle, fork, 7 cone pulleys 34 are arranged on the lower shaft 33, mesh speed change with the gear on the last axle 35 respectively with speed adjusting lever 29, on the last axle 35 change-speed gearing 36 and handle 30 are arranged, fork 28 make change-speed gearing 36 respectively with lower shaft 37 on the gears engaged speed change, gear on the lower shaft 37 has handle 31 and fork 32, make change-speed gearing 38 respectively with last axle 39 on two gears engaged, gearbox imports power into by gear 11, by the carrier gear 20 and the gear 13 that drive long lead screw 70 rotations.

(4) soldering tip mechanism comprises weldering wheel, grating coalignment, weldering wheel adjusting device, weldering wheel cooling device and power supply input unit, on the support plate 97 before soldering tip mechanism is mounted on screw on the bearing 1, square groove is arranged on the support plate, the panel 43 and the slide block 63 that cooperate with square groove are housed in it, and slide block is by supporting on the screw mandrel that female silk 55 is inserted in operating grip connects that is articulated on the support plate 97.With screw attachment dress plate 44 and grating coalignment 41 are arranged below the slide block, in the screw of weldering wheel 49 1 ends, screw on it into grating mouth 45 is arranged, and the locking nut of regulatory function arranged, advance to have in the grating mouth carbide alloy bar 51 of two angles folder positive grating 60 identical with the grating angle, and micrometer adjusting screw 52 arranged, adjusting handle 61, be connected with lever 42 on the slide block 63, its end is hinged with dress plate 44 by the spring pressure adjusting device, one end has weldering wheel shaft 58, weldering wheel 49 is housed on the weldering wheel shaft, the device 62 that conducts electricity of weldering wheel shaft 58 is the hollow devices that conduct electricity, import cold water by water inlet pipe 48, porose moving the water to flow in the interior centre bore 47 of weldering wheel shaft in it, the weldering wheel shaft is at the aperture of the oriented weldering wheel surface water spray of an end of dress weldering wheel, insulating materials and insulation bearing cover 46 are used in the place that connects with the weldering wheel shaft and the device that conducts electricity, the electrical conductor 19 of introducing the source of welding current is arranged, trimming hand wheel 54 is arranged on the spring pressure adjusting device 40, have on the lever 42 and regulate weldering wheel 49 and contact what fine setting hook nail nut 53 with grating 60 and regulate to weld and take turns, under coarse adjustment operating grip 55 and calibration loop 56.

(5) intermediate gearing, comprise main bearing seat 69 and long lead screw transmission device and long polished rod transmission device and locking mold, hollow shaft 67 is installed on the main bearing seat 69, be fixed with gear 68 and locking mold 64 or 65 on the hollow shaft, on the locking mold uniform crossbeam groove and tie down screw 66 are arranged, main bearing seat one side has movable pulley cover 81 and the switch hook 87 that has on the stock 74 by 14 transmissions of mainshaft gear 7 driven gears with gear 68 engagements, be connected with the long lead screw transmission device below the main bearing seat, comprise long lead screw 70, main female silk 72 and eliminate female 73 of the adjusting in gap between long lead screw and the main female silk, the long polished rod of sliding bearing seat 75 supportings, supporting base 78 is supporting bases of fixed length leading screw tail end, the locking nut that two fixed positions are arranged, two thrust ball bearings 77 are equipped with in inside, on, 4 adjustment screw 79 are respectively arranged down, 83, main female silk and the female silk 73 of adjusting are to be contained in female silk supporting base 82,82 are fixed on the installing plate 80, and it is fixing with dress planker 86, on the dress planker four groups of pulleys 84 that move are housed above lathe bed, also have four groups to clamp the pulley 85 of lathe bed with pulley 84, be welded with two pairs with the pulley 95 corresponding places of the movable pressure pin device 93 of lathe bed spring below the dress supporting plate and press down wedge, two locking nuts are arranged on the sliding gear tube 81.

(6) lathe bed is symmetrically welded with big channel-section steel 89 with every steel plate 90 equidistant stay pipes 91 and forms, for preventing that the long lead screw bending is provided with the movable pressure pin device 93 of two springs in the middle of lathe bed, holder is held piece 96 and is directly contacted with long lead screw, the nut 92 of regulating pressure is arranged below the support spring 94, and the piece two ends are held in holder respectively a pulley 95.

2, commentaries on classics weldering screen casing lathe according to claim 1 is characterized in that the source of welding current is a high frequency electric.

3, commentaries on classics according to claim 1 weldering screen casing lathe is characterized in that the source of welding current separates input at the same end of preceding bearing 1 and soldering tip mechanism.

4, it is characterized in that according to claim 1 or 2 or 3 described commentaries on classics weldering screen casing lathes radio-frequency generator is provided with the microcomputer of control source of welding current frequency, voltage.

5, commentaries on classics according to claim 1 weldering screen casing lathe is characterized by lathe and exposes rotatable parts protective cover is all arranged.