Car body welding line milling sanding apparatus
The utility model relates to a kind of surface processing device of car body weld seam, particularly a kind of automatic milling and polishing integrated apparatus.
In the process of railroad car, car body general assembly welding procedure is all finished by welding robot, after welding was finished, the weld seam of car body can be rough and uneven in surface, at this moment needs weld seam is carried out milling and polishing, at present manual milling and sanding apparatus of adopting more, by finishing milling and technique for grinding manually, increased working strength of workers, length expends time in, production efficiency is low, and quality can't guarantee.
Summary of the invention
The utility model main purpose is to address the above problem and is not enough, providing a kind of can be fixed together with existing welding robot, can carry out the car body welding line milling sanding apparatus of milling automatic and polishing to the car body weld seam, can reduce working strength of workers significantly, enhance productivity, ensure the quality of products.
For achieving the above object, described car body welding line milling sanding apparatus:
Comprise that milling attachment, sanding apparatus, Mobile Slide are formed, the base assembly, described milling attachment and sanding apparatus are slidingly connected with described Mobile Slide composition respectively, described Mobile Slide composition is slidingly mounted on the described base assembly, described base assembly is fixed on the bottom girder of automatic traveling dolly of welding robot, described car body welding line milling sanding apparatus can be moved along with moving of the automatic traveling dolly of welding robot, realize milling automatic and polishing welding seams.
Described base assembly comprises a mount pad and a Connection Block, at least one slide bar is fixed on the top of described mount pad, described Connection Block is fixedly connected on the bottom of mount pad, a plurality of adjusting pads are set between described mount pad and Connection Block, and described Connection Block is fixed on the bottom girder of automatic traveling dolly of welding robot.
Described Mobile Slide is formed and is comprised a slide unit, the bottom of described slide unit is provided with and is fixed on the corresponding sliding sleeve of slide bar quantity on the mount pad, described jack rod sleeve is in described sliding sleeve, four pressing plates are set on the described slide unit, milling attachment is fixed on " protruding " shape milling slide carriage, sanding apparatus is fixed on " protruding " shape polishing slide carriage, and milling slide carriage and polishing slide carriage are slidingly matched mutually with corresponding pressing plate respectively.A fixedly connected nut seat on the milling slide carriage, a fixedly connected nut seat on the polishing slide carriage, fix also on slide unit that screw pair is adjusted in milling and screw pair is adjusted in a polishing, described two nut seats are socketed in described milling respectively and adjust screw pair and polishing and adjust on the screw mandrel in the screw pair.Guarantee that milling and sanding apparatus can carry out straight reciprocating motion on fixation locus, and milling attachment and sanding apparatus can be staggered the position mutually that uses more conveniently, the while is also played the effect of location when work.
A fixedly connected cylinder advances assembly on described base assembly, described cylinder advances assembly to comprise a cylinder and a push rod that stretches out described cylinder, the other end of described push rod is fixedly connected on described Mobile Slide to be formed, and described cylinder advances assembly to be connected with air control unit.
Described air control unit is made up of pressure-reducing valve, flow speed control valve and hand-operated direction valve.
Content to sum up, car body welding line milling sanding apparatus provided by the utility model, be installed on the automatic traveling dolly of welding of car body general assembly welding robot, realize milling automatic and polishing whole piece weld seam by means of the automatic traveling dolly of welding, employing reservoir back pressure ralocatable mode has reduced the site error between interior linearity deviation of weld seam horizontal plane and milling cutter, between base assembly and Mobile Slide are formed, all adopt the mode that is slidingly connected between Mobile Slide composition and milling and the sanding apparatus, make the milling sanding apparatus can both on fixation locus, carry out straight reciprocating motion, use more convenient flexible, reduced working strength of workers significantly, improve production efficiency, guaranteed the total packing quality of car body.This device is specially adapted to the milling automatic and the polishing of weld seam between side wall of aluminum alloy bodywork and underframe.
Description of drawings
Fig. 1 overall structure schematic diagram of the present utility model;
The side view of Fig. 2 Fig. 1;
The rearview of Fig. 3 Fig. 1;
The vertical view of Fig. 4 Fig. 1;
Fig. 5 the utility model milling attachment structural representation;
The side view of Fig. 6 Fig. 5;
Fig. 7 the utility model Mobile Slide is formed structural representation;
The vertical view of Fig. 8 Fig. 7;
Fig. 9 the utility model sanding apparatus structural representation;
The vertical view of Figure 10 Fig. 9;
Figure 11 the utility model cylinder advances the assembly structure schematic diagram;
Figure 12 the utility model air control unit schematic diagram.
Extremely shown in Figure 12 as Fig. 1, car body 1, slide rail 2, milling attachment 3, Mobile Slide forms 4, sanding apparatus 5, base assembly 6, cylinder advances assembly 7, and screw pair 8 is adjusted in milling, polishing adjustment screw pair 9, bottom girder 10, pressure-reducing valve 11, flow speed control valve 12, hand-operated direction valve 13;
Milling slide carriage 31, pneumatic milling tool 32, milling cutter positioning sleeve 33, milling cutter 34, connecting plate 35, nut seat 36, handwheel 37, screw mandrel 38;
Slide unit 41, sliding sleeve 42, pressing plate 43,44,45,46, protective cover 47;
Polishing slide carriage 51, pneumatic milling tools 52, gland 53, nut seat 54, handwheel 55, screw mandrel 56, dish type wire brush 57;
Mount pad 61, slide bar 62, Connection Block 63, adjusting pad 64;
Cylinder 71, push rod 72.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the utility model is described in further detail:
As shown in Figure 1 and Figure 4, described car body welding line milling sanding apparatus:
Comprise that milling attachment 3, Mobile Slide composition 4, sanding apparatus 5, base assembly 6, cylinder advance assembly 7, milling to adjust screw pair 8, polishing adjustment screw pair 9 and air control unit.
Wherein base assembly 6 comprises the rectangle mount pad 61 of the open-top of a hollow, two slide bars 62 are fixed on the top of mount pad 61, the bottom of mount pad 61 connects a Connection Block 63 with a plurality of bolting, bolt adopts the articulation hole bolt, purpose is the needs of to locate and overcoming cross force in order to satisfy, a plurality of adjusting pads 64 are set between mount pad 61 and the Connection Block 63, the height dimension of adjusting pad 64 can be decided according to car body erecting bed situation, guarantee that milling cutter 34 and polishing dish type wire brush 57 can reach the required height of work, the average height (arch of weld seam band) that can either aim at weld seam on the car body 1 is as the criterion.On the bottom girder 10 of Connection Block 63 by six automatic traveling dollies of welding that are bolted to car body general assembly welding robot, welding automatic traveling dolly slides on the slide rail 2 of car body assemble production line, weld automatic traveling dolly by means of this and realize milling automatic and polishing whole piece weld seam, to increase work efficiency and quality.
As shown in Figure 5 and Figure 6, milling attachment 3 has a pneumatic milling tool 32, milling cutter positioning sleeve 33 is fixed on the pneumatic milling tool 32, milling cutter 34 is enclosed within on the milling cutter positioning sleeve 33, pneumatic milling tool 32 is fixed on the connecting plate 35, connecting plate 35 is fixed on " protruding " shape milling slide carriage 31, and the milling slide carriage is fixed a nut seat 36 for 31 times.
As Fig. 9 and shown in Figure 10, sanding apparatus 5 has a pneumatic milling tools 52, dish type wire brush 57 is fixed on the pneumatic milling tools 52, pneumatic milling tools 52 is fixed on " protruding " shape polishing slide carriage 51, the front end of polishing slide carriage 51 is fixed a gland 53, be used for dish type wire brush 57 is pressed on pneumatic milling tools 52, also fix a nut seat 54 on the polishing slide carriage 51.
Pneumatic milling tool 32 and pneumatic milling tools 52 source of respectively giving a dinner for a visitor from afar is by pneumatic switch control milling cutter 34 and 57 rotations of dish type wire brush.
As shown in Figure 7 and Figure 8, Mobile Slide is formed 4 and is comprised a slide unit 41, the bottom of slide unit 41 is provided with two sliding sleeves 42, sliding sleeve 42 is socketed on the slide bar 62 in the base assembly 6, make slide unit 41 on slide bar 62, do straight reciprocating motion, be provided with four pressing plates 43 on the slide unit 41,44,45,46, " protruding " shape milling slide carriage 31 on the milling attachment 3 cooperatively interacts with pressing plate 43 and 44, " protruding " shape polishing slide carriage 51 on the sanding apparatus 5 cooperatively interacts with pressing plate 45 and 46, make milling slide carriage 31 and polishing slide carriage 51 at pressing plate 43,44,45,46 times smooth and easy slips at last will be at pressing plate 43,44,45,46 and 41 articulation dowel holes of slide unit.Also fixedly mount milling on the slide unit 41 and adjusted screw pair 8 and polishing adjustment screw pair 9, nut seat 36 on the milling attachment 3 is enclosed within milling and adjusts on the screw mandrel 38 in the screw pair 8, nut seat 54 on the sanding apparatus 5 is enclosed within polishing and adjusts on the screw mandrel 56 in the screw pair 9, pressing plate and screw mandrel time utilization like this, guaranteed that milling attachment 3 and sanding apparatus 5 carry out straight reciprocating motion on fixation locus, also played certain positioning action simultaneously.Milling is adjusted on the screw pair 8 handwheel 37 is installed, polishing is adjusted on the screw pair 9 handwheel 55 also is installed, by adjusting handwheel milling attachment 3 and sanding apparatus 5 are staggered mutually when working, just when carrying out Milling Process, adjust handwheel 37, make milling attachment 3 positions preceding, just the weld seam with needs processing contacts, add man-hour when polishing, adjust handwheel 37, after milling attachment 3 is moved, adjust handwheel 55, before sanding apparatus 5 moved, sanding apparatus 5 is just contacted with the weld seam of needs processing.An extension-type shelter 47 is installed on sanding apparatus 5, and protective cover 47 is fixed on the slide unit 41.
As shown in figure 11, cylinder advances assembly 7 to comprise a cylinder 71, and cylinder 71 is fixed on the top of the lateral wall of mount pad 61, and is corresponding with the position of slide bar 62, the bottom of cylinder 71 is provided with the joint in two sources of giving a dinner for a visitor from afar, and wind regime directly picks out from the wind regime that welds on the automatic traveling dolly.The front end of cylinder 71 stretches out a push rod 72, push rod 72 stretches into the inside at mount pad 61, the other end of push rod 72 is fixed on the slide unit 41, utilize the effect of cylinder 71, promote slide unit 41 and on slide bar 62, move, thus the position of adjustment milling attachment 3 and sanding apparatus 5, cylinder 71 advance put in place after, working chamber is cheated eventually and is filled with back pressure, and the impaction state when both guaranteeing work can suitably float according to the position while welding error again.
As shown in figure 12, cylinder advances assembly 7 to be connected with air control unit, and air control unit comprises 11, one flow speed control valves 12 of a pressure-reducing valve and a hand-operated direction valve 13, three valves can be fixed in according to the installation situation at scene on the base assembly 6, are as the criterion with handled easily.Wherein pressure-reducing valve 11 adopts accurate pressure-reducing valve, be used for adjusting the operating pressure of cylinder 71, flow speed control valve 12 is used for adjusting the movement velocity of cylinder 71, hand-operated direction valve 13 is 2/2-way hand-operated direction valves, be used for adjusting the pressure of ante-chamber and back cavity in the cylinder 71, before Milling Process, adjust the blast in the cylinder 71 earlier, itself and milling drag are balanced each other, 2/2-way hand-operated direction valve 13 is adjusted to Working position (position that gas circuit is intersected in the diagram), but milling attachment 3 carries out normal Milling Process with regard to butt welded seam like this.When weld seam protrudes theoretical position, the milling drag increases, with the blast disequilibrium in the cylinder 71, the milling drag is greater than the blast in cylinder 71 working chambers, cylinder 71 drive push rods 72 bounce back automatically like this, milling attachment 3 also and then bounces back, avoid milling to car body, when weld seam is recessed when going out theoretical position, the milling drag reduces, with the blast disequilibrium in the cylinder 71, the milling drag is less than the blast in cylinder 71 working chambers, cylinder 71 drives push rods 72 and advances automatically, and milling attachment also and then advances, solve according to this produced because of linearity deviation in the weld seam horizontal plane and milling cutter between position deviation.
As mentioned above, given in conjunction with the accompanying drawings and embodiments scheme content can derive the similar techniques scheme.In every case be the content that does not break away from technical solutions of the utility model, to any simple modification, equivalent variations and modification that above embodiment did, all still belong in the scope of technical solutions of the utility model according to technical spirit of the present utility model.