A kind of workpiece automatic processing system
The utility model belongs to field of mechanical technique, relates to a kind of workpiece automatic processing system.
In manufacturing industry, in order to guarantee product quality and its aesthetic appearance, the sanding of mo(u)lded piece and the polishing of processing parts are the important procedures in forming parts, for complicated appearance part, especially bathroom faucet, in casting profile and machine, add the problems such as the aspects such as size exist left-right deviation, wall thickness to differ, morpheme is different, cannot utilize special purpose machine tool to process.Conventional polishing utilization is manually carried out on belt sander and cloth turbine, owing to producing a large amount of metallic dusts in polishing frictional heating and polishing process, this operating environment is large to human injury, and due to the unstability of manual work, be not easy to carry out the accurate location of the polishing degree of depth, so operating efficiency is low, cannot fully guarantee uniformity and the stability of polishing product.
At present, conventional polishing grinding structure is mostly too simple, and it is difficult to realize the various complex-curved multiaxis Multi-orientation multi-angle grindings of carrying out.Therefore, existing polishing grinding mechanism cannot effectively precisely process, and it mostly still needs to rely on technical staff and grinds roughly, causes grinding precision mortality very high, is difficult to guarantee the rubbing down effect of various workpiece.In addition, in sander field, defect due to device structure, conventionally cause workpiece positioning precision not high, and during polishing workpiece conventionally with holding workpiece, by both hands, swing workpiece translation-angle, and make the different parts of workpiece obtain the polishing of grinding wheel, not only inconvenient polishing, and waste time and energy.
Sanding and polishing machine is for processing some part sanding and polishings, processes different parts and has different sanding and polishing machines.As Chinese patent discloses a kind of Twp-sided polishing machine [application number: 201220325319.8; Notification number: CN202726687U], it comprises integrated disc portions and is located at the outer polishing and grinding head part on integrated disc portions side, outer ramming band head part, integrated disc portions, outer polishing and grinding head part, outer ramming band head part cooperating, place work piece in integrated disc portions, polishing and grinding head part, outer ramming band head part all can be processed the workpiece being placed in integrated disc portions.This two-sided sander can be realized automatic polishing so that workpiece reaches assigned address accurately by integrated disc portions, and workpiece can be realized automatically, gripping fast; And by each outer polishing and grinding head partly, outer ramming band head part is multi-shaft interlocked, the complete machine coordinating and unifying, can be to the various complex-curved polishings of carrying out.
Yet, the above-mentioned Twp-sided polishing machine part that also comes with some shortcomings.First, this Twp-sided polishing machine is not equipped with special workpiece machining set-up, workpiece just need to first carry out machined before sanding and polishing on other equipment so, then by staff, manually the workpiece after machined moulding being placed into one by one to the enterprising luggage of disk presss from both sides, this has not only wasted a large amount of labour intensity of operating personnel, has also directly reduced the production efficiency of enterprise simultaneously; And operating personnel cannot guarantee that the clamping angle of each workpiece is consistent, this just causes the uniformity after each Workpiece shaping inadequate, and precision is unified not.
Summary of the invention
The purpose of this utility model is the problems referred to above that exist for existing technology, has proposed that a kind of automaticity is high, production efficiency and the high workpiece automatic processing system of accuracy.
The purpose of this utility model can realize by following technical proposal: a kind of workpiece automatic processing system, comprise for workpiece is carried out to mach machining center, it is characterized in that, this system of processing also comprises the polishing unit adjacent with machining center, on described polishing unit, have manipulator and some sanders, described manipulator can and be delivered to described sander place by the good piece-holder of machined of machining center place and polish.
It is good that machining center works the work piece into type, manipulator is by piece-holder and be delivered to the sander of this manipulator in same polishing unit and carry out grinding process, because a polishing has some sanders in unit, therefore by these sanders, can guarantee that workpiece just completes the required all polishing operations in its surface the manipulator clamped one time in the situation that in a polishing unit.
Machining center is equipped with the 4th axle in use; can clamped one time and realize the upset of 360 degree by the 4th shaft-like work; because adding the position in man-hour, workpiece work in-process heart place remains unchanged; therefore actual, add man-hour; can to manipulator, accurately control by the program that In-put design is good in an electronic control system; guarantee that manipulator is consistent to the action of the device of each workpiece and polishing, the precision of each workpiece that this sample system of processing processes and globality are just higher.
In above-mentioned workpiece automatic processing system, the quantity of described polishing unit is 2-4 and is distributed in machining center surrounding.Because machining center several times will be faster than the polishing speed of workpiece to the processing of workpiece, therefore 2-4 polishing unit be set and not only can guarantee that the workpiece that Cutter Body Processing with Machining Center is good can polish in time, assurance production efficiency, and can carry out rational layout again.
In above-mentioned workpiece automatic processing system, on each described polishing unit, all there are 2-4 sanders.In each polishing, 2-4 sander is set in unit, by different polishing precision parameters is set on each sander, like this workpiece by these sanders, polish respectively after its surface finish precision can be more and more higher.
In above-mentioned workpiece automatic processing system, described sander is belt grinder, comprise case and the driving wheel, driven pulley and the abrasive band that are positioned at case, above-mentioned driving wheel and a dozen electric mill machines are connected, above-mentioned driving wheel and driven pulley are partly positioned at outside case, and above-mentioned abrasive band is enclosed within on driving wheel and driven pulley and is positioned at the polishing portion that the outside, abrasive band outside case is formed for workpiece to polish.
Polishing motor drives driving wheel to rotate, and finally makes abrasive band rotate, and manipulator is lived piece-holder and surface of the work is contacted and polished with the polishing portion in outside, abrasive band.
In above-mentioned workpiece automatic processing system, the abrasive band abrasive particle size on the sander of described same polishing unit increases successively or reduces.The abrasive particle size in the sander abrasive band in same unit increases successively or reduces, so the fineness in abrasive band is different, and workpiece is completed respectively after polishing on abrasive particle sander from big to small, and the polishing precision of surface of the work can be more and more higher.
In above-mentioned workpiece automatic processing system, in described case, also there is the grinding wheel that can be resisted against belt sanding portion inner side.In same workpiece, the curvature on its different parts surface is not identical.By grinding wheel, push up and press abrasive band, make the curved surface of abrasive band formation and the close curvature in position to be polished, be conducive to complete easily and quickly polishing.
In above-mentioned workpiece automatic processing system, described manipulator comprises base, holding frame and clamping limb, described holding frame lower end is axially connected on base and can be relative to rotating with base, above-mentioned clamping limb middle part is hinged on holding frame upper end, the actuator one on described holding frame with after driving holding frame to rotate with respect to base and location, above-mentioned clamping limb front end has the chuck for holding workpiece, has the actuator two that can drive clamping limb also to locate after its hinged place swings between the rear end of described clamping limb and holding frame.
When workpiece completes after polishing for the first time on a sander, can make holding frame turn to another sander with respect to base by actuator one and polish for the second time, until surface of the work is polished to required precision.And can make clamping limb rotate by actuator two, can adjust like this height of clamping limb, convenient polishing.
In above-mentioned workpiece automatic processing system, described actuator one comprises the rotary electric machine being connected on holding frame and is connected in the travelling gear one on base, is fixed with travelling gear two and travelling gear two and is meshed with travelling gear one in the rotating shaft of above-mentioned rotary electric machine.
In above-mentioned workpiece automatic processing system, described actuator two comprises connecting rod one, connecting rod two and is connected in the oscillating motor at holding frame middle part, the rotating shaft of above-mentioned connecting rod one one end and oscillating motor is connected, connecting rod one other end and connecting rod two one end are hinged, and the other end of described connecting rod two and above-mentioned clamping limb rear end are hinged.
Compared with prior art, this workpiece automatic processing system has the following advantages:
1, this workpiece automatic processing system carries out machined by machining center to workpiece, the position that guarantees each workpiece remains unchanged, by manipulator, can to workpiece, be clamped exactly and polish like this, not only accuracy be higher, and can guarantee that the machining accuracy of each workpiece is consistent;
2, this workpiece automatic processing system, by the uniform some polishings of work in-process heart unit, guarantees that the workpiece after machining center machined can carry out grinding process in time, has improved the production efficiency of workpiece;
3, this workpiece automatic processing system arranges some sanders in a polishing unit, by being set on each sander, the polishing portion of diverse location and size make workpiece on all sanders in same polishing unit, to complete successively the required complete polishing operation of its surface of the work the manipulator clamped one time in the situation that, because the abrasive particle size on each sander increases successively or reduces, therefore the polishing precision on workpiece its surface after polishing is higher;
When 4, this workpiece automatic processing system carries out machined device and polishing by machining center to workpiece, by manipulator, workpiece is clamped, without staff's manual operation, only need be to input control program in electronic control system, automaticity is high, has reduced staff's labour intensity.
Accompanying drawing explanation
Fig. 1 is the structural representation of system of processing in this workpiece automatic processing system.
Fig. 2 is structural representation when sander does not have grinding wheel in this workpiece automatic processing system.
Fig. 3 is side view when sander has grinding wheel in this workpiece automatic processing system.
Fig. 4 is the structural representation of manipulator in this workpiece automatic processing system.
Fig. 5 is the structural representation of the interior chuck of manipulator in this workpiece automatic processing system.
Fig. 6 is the schematic diagram of the mapping device of the interior grinding wheel of sander in this workpiece automatic processing system.
In figure, 1, machining center; 2, manipulator; 3, sander; 4, case; 5, driving wheel; 6, driven pulley; 7, abrasive band; 8, polishing motor; 9, grinding wheel; 10, base; 11, holding frame; 12, clamping limb; 13, rotary electric machine; 14, travelling gear one; 15, connecting rod one; 16, connecting rod two; 17, oscillating motor; 18, adapter sleeve; 19, push rod; 20, breach; 21, annular convex shoulder; 22, cylinder; 23, location plush copper; 24, connection bracket; 25, conversion motor.
The specific embodiment
Be below specific embodiment of the utility model by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiment.
As shown in Figure 1, a kind of workpiece automatic processing system, comprise for workpiece being carried out to mach machining center 1, this system of processing also comprises the polishing unit adjacent with machining center 1, the quantity of polishing unit is 3 and is distributed in machining center 1 surrounding also have for placing the storage bin hopper of the workpiece processing around each polishing unit.Polishing has manipulator 2 and some sanders 3 on unit, on each polishing unit, all has 4 sanders 3.
As shown in Figure 4, manipulator 2 can and be delivered to arbitrary sander 3 places by the good piece-holder of machined of machining center 1 place.Manipulator 2 comprises base 10, holding frame 11 and clamping limb 12, holding frame 11 lower ends are axially connected on base 10 and can be relative to rotating with base 10, clamping limb 12 middle parts are hinged on holding frame 11 upper ends, the actuator one on holding frame 11 with after driving holding frame 11 to rotate with respect to base 10 and location, actuator one comprises the rotary electric machine 13 being connected on holding frame 11 and is connected in the travelling gear 1 on base 10, is fixed with travelling gear two and travelling gear two and is meshed with travelling gear 1 in the rotating shaft of rotary electric machine 13.
Between the rear end of clamping limb 12 and holding frame 11, there is the actuator two that can drive clamping limb 12 also to locate after its hinged place swings, actuator two comprises connecting rod 1, connecting rod 2 16 and is connected in the oscillating motor 17 at holding frame 11 middle parts, the rotating shaft of connecting rod one 15 one end and oscillating motor 17 is connected, connecting rod one 15 other ends and connecting rod 2 16 one end are hinged, and the other end of connecting rod 2 16 and above-mentioned clamping limb 12 rear ends are hinged.
As shown in Figure 5, clamping limb 12 front ends have the chuck for holding workpiece, chuck comprises tubular adapter sleeve 18 and is arranged at the push rod 19 that is column in adapter sleeve 18, push rod 19 is circumferentially fixing with adapter sleeve 18, the leading section of the leading section of adapter sleeve 18 and push rod 19 is all tapered, and the tapering of push rod 19 leading sections is greater than the leading section that the tapering of adapter sleeve 18 leading sections and the leading section of push rod 19 partly stretch out adapter sleeve 18.
The leading section of adapter sleeve 18 has some the breach of offering vertically 20, and the leading section bead outside at adapter sleeve 18 has the annular convex shoulder 21 that can block workpiece, the inner of push rod 19 can be connected with the piston rod that is loaded on the cylinder 22 in clamping limb 12, the leading section of push rod 19 has three location plush coppers 23, effect lower push rod 19 front ends at the piston rod of cylinder 22 can stretch out with respect to the front port of adapter sleeve 18, and the leading section that can push adapter sleeve 18 when push rod 19 stretches out forward opens its front port, the annular convex shoulder 21 in adapter sleeve 18 leading section bead outsides will be stuck in the madial wall of workpiece and workpiece is clamped securely, and three location plush coppers 23 of push rod 19 front ends are by matching to guarantee that with the endoporus of workpiece workpiece can not occur circumferentially to rotate relative to chuck.
As shown in Figures 2 and 3, sander 3 is belt grinder, comprise case 4 and the driving wheel 5, driven pulley 6 and the abrasive band 7 that are positioned at case 4, driving wheel 5 is connected with a dozen electric mill machines 8, driving wheel 5 and driven pulley 6 parts are positioned at outside case 4, and abrasive band 7 is enclosed within on driving wheel 5 and driven pulley 6 and is positioned at the polishing portion that 7 outsides, abrasive band outside case 4 are formed for workpiece to polish.In case 4, also there is the grinding wheel 9 of the polishing portion inner side that can be resisted against abrasive band 7 and the mapping device of grinding wheel 9, in same polishing unit, the radian at each grinding wheel 9 edges is not identical, and the abrasive particle size in the abrasive band 7 on the sander 3 of same polishing unit reduces successively.
As shown in Figure 6, mapping device comprises conversion motor 25 and connection bracket 24, the output shaft fixed connection of the middle part of connection bracket 24 and conversion motor 25, the periphery of connection bracket 24 be provided with 3 can rotation grinding wheel 9, the wheel edge curved surface of each grinding wheel 9 has different curvature, each grinding wheel 9 is distributed in take on the same circumference that conversion motor 25 output shafts are the center of circle, and can be rotationally connected support 24 and at least make back a location that is resisted against abrasive band 7 in sander in each grinding wheel 9.
When mapping device is used, be arranged on the inner side in abrasive band 7, abrasive band 7 transmissions, now only can carry out grinding process to common surface of the work.For surface of the work curved surface to be polished especially, the surperficial curvature that operating personnel can need to polish according to workpiece to be processed is selected corresponding grinding wheel 9, then the grinding wheel 9 that drives connection bracket 24 and be arranged on connection bracket 24 peripheries of the work by conversion motor 25 around conversion motor 25 output shafts to abrasive band 7 directions rotate.The outside of the grinding wheel 9 leaning with abrasive band 7 exceeds 7 positions, former abrasive band, abrasive band 7 is pressed on grinding wheel 9 outsides, and in abrasive band, 7 fronts form the shape identical with the polishing curved surface in grinding wheel 9 outsides, now by the abrasive band 7 of transmission, can polish to surface of the work.
This mapping device also comprises controller, the approach switch being connected with this controller and the quantity sensor block identical with grinding wheel 9, approach switch is arranged at conversion motor 25 outsides, sensor block is fixed in grinding wheel 9 correspondingly, when sensor block turns to the back in abrasive band 7 and the position relative with approach switch with grinding wheel 9, approach quick closing valve and can receive the signal of sensor block and send to controller, controller will quit work and locate according to this signal controlling conversion motor 25.
Utilize this workpiece automatic processing system to add man-hour to workpiece, the 4th axle is housed on machining center 1, can disposable clamping and can 360 degree upsets by the 4th shaft-like work.Machining center 1 can first carry out machined to workpiece, then by the chuck on clamping limb 12, the good workpiece of machined is clamped, then holding frame 11 drive clamping limbs 12 turn to its sander 3 in same polishing unit and polish, owing to thering are 4 sanders 3 in same polishing unit, and the abrasive particle size in the abrasive band 7 of each sander 3 reduces successively, therefore when workpiece completes after all polishing operations in surface on First sander 3, move to again and on next sander 3, complete all polishing operations, because the abrasive particle size in the abrasive band 7 of each sander 3 reduces successively, therefore after each sander 3 completes respectively the polishing operation that surface of the work is complete, the polishing precision of surface of the work will be more and more higher, after completing polishing Deng workpiece, by clamping limb 12, workpiece is positioned in storage bin hopper again.
Because the machined speed of 1 pair of workpiece of machining center will be faster than the polishing speed of 3 pairs of workpiece of sander, therefore in this system of processing, be that machining center 1 is equipped with 3 machining cells, can guarantee that like this workpiece that machining center 1 machined is good can carry out grinding process at once, guaranteed well production efficiency, and be all to keep motionless because the workpiece work in-process heart 1 place adds the position in man-hour, therefore only need utilize an electronic control system to control manipulator 2, in electronic control system, input the program setting, the action that guarantees clamping limb 12 each holding workpieces is all identical, so just can guarantee that the shape after each Workpiece shaping is identical, the machining accuracy that is workpiece is higher, globality is better.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.