CN101941041B - Universal checking machine tool of computer-controlled hydraulic servo chain and control method thereof - Google Patents
Universal checking machine tool of computer-controlled hydraulic servo chain and control method thereof Download PDFInfo
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Abstract
The invention relates to a universal checking machine tool of a computer-controlled hydraulic servo chain and a control method thereof. The machine tool consists of a mainframe, a hydraulic pump station and a hydraulic control valve, wherein the mainframe comprises a correction sliding component, a chain loading/unloading component, a feeding sliding component, a steel printing component and a safe protection device 31. The working principle is that four functions of the machine tool are represented by linear motion, an oil cylinder piston pushes a piston rod, and a connection mechanism enables the work pieces to complete the circulating motions such as automatic correction, loading/unloading, feeding and stamping. The machine tool can complete the automatic working circles of the four functions through computer program control and a hydraulic servo system. The beneficial effect of the invention is that the machine tool is not only an intelligent chain corrector, but also a high-performance chain strength testing machine, and an automatic chain steel mark printer; therefore, the machine tool is a multifunctional machine integrating three machines in one and can serve several purposes; and the correction allowance and the correction load are not limited by the structure.
Description
Technical field
Production equipment technology and the inspection machine technology that the short pitch annular chains also contains other annular chains, especially a kind of computer controlled hydraulic servo universal chain calibrating machine tool and control method have been the present invention relates to reuse.
Background technology
Proofread and correct device therefor in the one present domestic chain production:
1. the following chain of wire diameter 12mm all adopts the mechanical cam formula to proofread and correct that lathe Germany originates in or domestic imitation two kinds;
The most German second-hand correction lathe that adopts early stage hydraulic oil cylinder type of chain that wire diameter 12mm is above, domestic still unformed hydraulic corrector bed or imitated approved product.
The ruggedness test machine adopted be the testing machine of using use for laboratory.
The deficiency of the two existence:
1. owing to being subjected to the restriction of cam mechanism, the correction surplus of chain is restricted, and can't implement the chain correction process of large correcting value, non-standard pitch;
2. owing to being subjected to the restriction of cam mechanism, calibrated force is not enough, can't satisfy the above chain calibrated force requirement of wire diameter 12mm;
3. determined by the mechanical cam mechanism characteristics, the holdup time of chain when the maximum correction amount is too short, required power conversion plastic deformation time requirement in the time of can not satisfying hard school (correction of as-quenched chain);
4. two mobile phone control system designs fall behind, employing be the dead buting iron formula of contact open loop sequential control system, controlled only is one of correction process two key elements: the controlling dimension key element; And the calibrated force key element can't observing and controlling;
5. what two mobile phone control systems were used is the complication system of the outmoded electric elements composition of " PLC " of the first generation, a large amount of contact relay and series of complex, and failure-frequency is high, and maintenance difficulty is large, and cost is high;
6. two mobile phone chain bar conveying elevating mechanisms are unreasonable, employing be oil cylinder+connecting rod rocker arm body+pinion and rack underlying open type transmission, complex structure, and the hard thing that easily drops cause the rigid faults such as gear failure;
7. complete machine all adopts feed screw nut's formula manual adjustments, changes product specification inconvenient.
Summary of the invention
The present invention will solve the shortcoming of above-mentioned prior art, a kind of computer controlled hydraulic servo universal chain calibrating machine tool and control method are provided, adopt hydraulic transmission technology, hydraulic control technology, modern control technology, load cell technology, displacement transducer technology, computer technology etc. to realize this lathe purpose of design.
The goal of the invention that the present invention will realize has:
1. proofread and correct surplus unrestricted, provide an intelligent platform to chain production implementing process test and correction process innovation;
2. guarantee the chain calibrated force requirement that wire diameter 12mm is above;
3. on chain maximum correction position, can pause at full capacity, and the holdup time capable of regulating;
4. solve two a mobile phones controlling dimension key element problem: two key elements (deflection, calibrated force) of correction process are implemented to work along both lines;
5. adopt advanced computer program control+electrohydraulic servo system automatically to control the correction work overall process;
6. the simplification elevating mechanism is eliminated potential faults;
7. change manual lead screw and adjust mode, simplify the operation;
8. practical function innovation: finish the chain strength test at the correction lathe;
9. a tractor serves several purposes: complete independently chain automatic stamping marking function.
The present invention solves the technical scheme that its technical problem adopts: this computer controlled hydraulic servo universal chain calibrating machine tool, by main frame, the integrated two parts of hydraulic power unit and hydraulic control valve form, described main frame comprises proofreaies and correct the slippage parts, chain loading and unloading parts and feeding slippage parts, wherein, described correction slippage parts comprise the correction master cylinder, the left wallboard of frame, Left-wing Federation's acting flange, stationary fixture, the workpiece chain, load sensor, right connecting flange, displacement transducer A, sliding crossbeam, the right wallboard of floating holder and frame, wherein proofread and correct master cylinder by the main oil cylinder piston bar, Left-wing Federation's acting flange, right connecting flange is connected with sliding crossbeam, sliding crossbeam is installed on two axis of guides and is with it and is slidingly matched, and two axis of guides are installed between the left wallboard of frame and the right wallboard of frame; Stationary fixture is fixedly connected on the left wallboard of frame, and floating holder is fixedly connected on the sliding crossbeam, and the workpiece chain is installed on stationary fixture and the floating holder; Be provided with load sensor between Left-wing Federation's acting flange and right connecting flange, be connected with on the left wallboard of frame for the displacement transducer A that measures workpiece chain displacement; Described chain loading and unloading parts comprise that chain imports wheel, left hoist cylinder, right hoist cylinder, guide rail beam and chain and derives wheel, left hoist cylinder, right hoist cylinder are fixedly connected on respectively on the left wallboard of frame and the right wallboard of frame by two oil cylinder mounting seat, and two piston rods of left hoist cylinder, right hoist cylinder all are fixedly connected with guide rail beam; Guide rail beam one end is fixedly connected with chain and imports wheel and chain importing track, the other end of guide rail beam is fixedly connected with feeding guide and chain is derived wheel, be provided with the intermediate rail that is fixedly connected on the guide rail beam centre position between stationary fixture and floating holder, chain imports wheel, chain imports track, stationary fixture, intermediate rail, floating holder, feeding guide and chain derivation wheel and is arranged on the same axis; Described feeding slippage parts comprise feeding oil cylinder, left holder, displacement transducer B, feeding slide block, travel(l)ing rest and feeding fork, feeding oil cylinder is fixedly connected with the feeding slide block by piston rod, the feeding slide block is provided with the feeding fork that cooperates for the workpiece chain, the left wallboard of frame is connected with displacement transducer B by left holder, the movable end of displacement transducer B is fixedly connected with travel(l)ing rest, and travel(l)ing rest is fixedly connected with the feeding slide block.
As preferably, described main frame also comprises steel letter printing parts and safety device, the steel letter printing parts comprise typewriting oil cylinder, typewriting main shaft, seat adjuster, steel seal clamper, the typewriting oil cylinder is connected with the steel seal clamper by typewriting main shaft, seat adjuster, steel seal clamper corresponding with the position of workpiece chain (and can adjust by the seat adjuster).
As preferably, the rear end of sliding crossbeam is provided with the insurance collision block in the described correction slippage parts, and the insurance screw mandrel that is corresponding matching with the insurance collision block is fixedly connected on the right wallboard of frame by hold-down nut.
As preferably, be connected with on the right side of the described pair of axis of guide and hold out against nut, hold out against nut and be threaded engagement and be installed in the mounting flange, mounting flange is fixedly mounted on the right wallboard of frame; Stretching screw is matched in clearance and is installed in and holds out against in the nut, and is threaded engagement with the right-hand member of two axis of guides and is connected.
As preferably, in the described chain loading and unloading parts, two piston rods of left hoist cylinder, right hoist cylinder are fixedly connected with an end of two axis of guides, are connected with lifting guide mechanism on the axis of guide, and the other end of the axis of guide is fixedly connected with guide rail beam by joint bolt.
As preferably, in the described chain loading and unloading parts, gang up by the steel pipe of connecting between left hoist cylinder cavity of resorption and right hoist cylinder epicoele and be connected, and be provided with gas exhaust and liquid supplementation device for exhaust and fluid infusion.
The control method of computer controlled hydraulic servo universal chain calibrating machine tool of the present invention comprises the steps:
1, trimming process: pressure oil enters proofreaies and correct the master cylinder back cavity, promote main oil cylinder piston bar right lateral, the promotion sliding crossbeam moves right, and the floating holder of installing on the sliding crossbeam drives workpiece chain right lateral, makes the workpiece chain tension between stationary fixture and floating holder elongated; When correction reaches the technique initialization size, the stop motion of main oil cylinder piston bar, pressurize stagnated for 2～3 seconds, then proofreaied and correct master cylinder and resetted, and finished a correction link in the operation cycle;
2, dismounting chain: proofreading and correct the master cylinder reset mode, be that the workpiece chain is relaxed state, pressure oil enters the cavity of resorption of left hoist cylinder and right hoist cylinder, the pushing piston bar rises, making guide rail beam, chain import wheel, chain derivation wheel and intermediate rail rises, the workpiece chain breaks away from the engagement of stationary fixture, floating holder, realizes the dismounting of workpiece chain;
3, feeding process: at left hoist cylinder and right hoist cylinder lifting state: namely guide rail beam, chain import wheel, chain and derive the engagement that wheel and intermediate rail hold up in orbit the disengaging of workpiece chain and stationary fixture, floating holder, and while workpiece chain and feeding fork enter engagement; At this moment, pressure oil enters the feeding oil cylinder back cavity, and piston rod promotes the feeding slide block, the feeding fork moves right, drive the workpiece chain gauge length L that advances with the feeding fork of chain engagement, its position is detected by displacement transducer B, and feeding oil cylinder is stagnated (or wait), finishes feeding;
4, chain clamping process: under workpiece chain disassembly status, pressure oil enters the epicoele of left hoist cylinder and right hoist cylinder, left hoist cylinder and right hoist cylinder reset, feeding fork and workpiece chain break away from, the piston rod of left hoist cylinder and right hoist cylinder drives guide rail beam, chain imports wheel, chain derivation wheel and intermediate rail and descends, workpiece chain falls into stationary fixture and floating holder by gravity on it, finish the chain clamping, operation cycle enters next program behavior (feeding oil cylinder resets).
5, be disengaged position when finishing chain clamping, feeding fork and workpiece chain, feeding oil cylinder resets, and operation cycle enters next program behavior;
As preferably, after system debug is finished, sliding crossbeam is rested on correction pressurize position, the insurance screw mandrel that will be loaded on again on the right wallboard of frame transfers to and the insurance collision block close contact that is loaded on the sliding crossbeam, and nut at last is locked.
The present invention compares with background technology, has advantages of:
1. " universal chain calibrating machine tool " of the present invention possesses innovative function: it is an intelligent chain calibrating machine, it is again a high performance chain strength-testing machine, while or the automatic steel letters mark printer of a chain of stations bar are " transformers " of the unification of three machines, but a tractor serves several purposes;
2. proofread and correct surplus and be not subjected to structural limitations, real technology platform is provided for the chain process innovation of large correcting value;
3. correcting load is not subjected to structural limitations, and this series lathe adapts to the alignment requirements of the different size chain products of various wire diameters;
4. should can stop arbitrarily in trimming process by the series lathe, be particularly suitable for the hard school of as-quenched chain, make chain correction plastic deformation abundant, correction mass is stable, improves the chain class;
5. proofread and correct, test can omnidistance observing and controlling, real-time screen display working curve, automatically save data or output services report;
6. the two key elements of the deflection of correction process, calibrated force are implemented to work along both lines, omnidistance observing and controlling, and calibrated force is exceeded shut down, report to the police (for two mobile phones) of normal fluctuation range;
7. elevating mechanism improves design: for simple two rod cylinder structures, eliminated potential faults, stable performance is for two mobile phones;
8. adopt computer program control, when changing product specification, parameter adjustment can operate at keyboard, and is simple and convenient;
9. when doing the printer use, the steel seal spacing distance of chain can be set on request;
10. when doing the testing machine use, its performance is better than common universal testing machine, can show the trial curve of exporting three-dimensional parameter, be particularly suitable for doing the chain load ag(e)ing test, be used for determining the technological parameter such as the time of staying, worker's machine drawing peak load time of staying at the maximum correction seat of inspection machine and other testing requirement of engineer testing, is large sharp weapon of chain process innovation.
Description of drawings
Fig. 1 is main TV structure schematic diagram of the present invention;
Fig. 2 is left TV structure schematic diagram of the present invention;
Fig. 3 is the main TV structure figure of aligning gear among the present invention;
Fig. 4 is the plan structure figure of aligning gear among the present invention;
Fig. 5 is the main TV structure figure of chain charging crane among the present invention;
Fig. 6 is the plan structure figure of chain charging crane among the present invention;
Reference numeral: proofread and correct master cylinder 1, piston rod 2, the left wallboard 3 of frame, Left-wing Federation's acting flange 4, stationary fixture 5, workpiece chain 6, load sensor 7, right connecting flange 8, displacement transducer A9, sliding crossbeam 10, floating holder 11, insurance collision block 12, insurance screw mandrel 13, the right wallboard 14 of frame, hold-down nut 15, chain imports wheel 16, feeding oil cylinder 17, left holder 18, displacement transducer B19, left hoist cylinder 20, feeding slide block 21, travel(l)ing rest 22, feeding fork 23, right hoist cylinder 24, guide rail beam 25, chain is derived wheel 26, steel seal clamper 27, seat adjuster 28, typewriting main shaft 29, typewriting oil cylinder 30, safety device 31, two axis of guides 32, mounting flange 33, hold out against nut 34, stretching screw 35, chain imports track 36, oil cylinder mounting seat 37, lifting guide mechanism 38, intermediate rail 39, series connection steel pipe 40, gas exhaust and liquid supplementation device 41, the axis of guide 42, joint bolt 43, feeding guide 44.
The specific embodiment
The invention will be further described below in conjunction with drawings and Examples:
As shown in the figure, this computer controlled hydraulic servo universal chain calibrating machine tool, be comprised of the integrated two parts of main frame, hydraulic power unit and hydraulic control valve, described main frame comprises proofreaies and correct slippage parts, chain loading and unloading parts, feeding slippage parts, steel letter printing parts and safety device 31.Operation principle: the four large function forms of expression of this lathe design are rectilinear motion, by oil cylinder piston pushing piston bar, make workpiece finish automatic calibration, load and unload, send to, beat the operation cycle such as steel seal and move by bindiny mechanism.Guarantee that by computer program control and Hydrauservo System this lathe finishes the automatic working cycle of four large functions.
1, described correction slippage parts comprise proofreaies and correct master cylinder 1, the left wallboard 3 of frame, Left-wing Federation's acting flange 4, stationary fixture 5, workpiece chain 6, load sensor 7, right connecting flange 8, displacement transducer A9, sliding crossbeam 10, the right wallboard 14 of floating holder 11 and frame, wherein proofread and correct master cylinder 1 by main oil cylinder piston bar 2, Left-wing Federation's acting flange 4, right connecting flange 8 is connected with sliding crossbeam 10, sliding crossbeam 10 is installed on two axis of guides 32 and is with it and is slidingly matched, two axis of guides 32 are installed between the left wallboard 3 of frame and the right wallboard 14 of frame, be connected with on the right side of the described pair of axis of guide 32 and hold out against nut 34, hold out against nut 34 and be the interval and cooperate and to be installed in the mounting flange 33, mounting flange 33 is fixedly mounted on the right wallboard 14 of frame; Stretching screw 35 is threaded engagement and is installed in and holds out against in the nut 34, and is threaded engagement with the right side of two axis of guides 32 and is connected.Stationary fixture 5 is fixedly connected on the left wallboard 3 of frame, and floating holder 11 is fixedly connected on the sliding crossbeam 10, and workpiece chain 6 is installed on stationary fixture 5 and the floating holder 11; 8 of Left-wing Federation's acting flange 4 and right connecting flanges are provided with load sensor 7, are connected with on the left wallboard 3 of frame for the displacement transducer A9 that measures workpiece chain 6 displacements; The rear end of sliding crossbeam 10 is provided with insurance collision block 12, and the insurance screw mandrel 13 that is corresponding matching with insurance collision block 12 is fixedly connected on the right wallboard 14 of frame by hold-down nut 15.
2, described chain loading and unloading parts such as Fig. 5-shown in Figure 6, comprise that chain imports wheel 16, left hoist cylinder 20, right hoist cylinder 24, guide rail beam 25 and chain and derives wheel 26, left hoist cylinder 20, right hoist cylinder 24 are fixedly connected on respectively on the left wallboard 3 of frame and the right wallboard 14 of frame by two oil cylinder mounting seat 37.In the described chain loading and unloading parts, gang up by the steel pipe 40 of connecting between left hoist cylinder 20 cavity of resorptions and right hoist cylinder 24 epicoeles and be connected, and be provided with gas exhaust and liquid supplementation device 41 for exhaust and fluid infusion.Two piston rods of left hoist cylinder 20, right hoist cylinder 24 are fixedly connected with an end of two axis of guides 42, are connected with lifting guide mechanism 38 on the axis of guide 42, and the other end of the axis of guide 42 is fixedly connected with guide rail beam 25 by joint bolt 43.Guide rail beam 25 1 ends are fixedly connected with chain and import wheel 16 and chain importing track 36, the other end of guide rail beam 25 is fixedly connected with feeding guide 44 and chain is derived wheel 26, be provided with the intermediate rail 39 that is fixedly connected on guide rail beam 25 centre positions at stationary fixture 5 and 11 of floating holders, chain imports wheel 16, chain imports track 36, stationary fixture 5, intermediate rail 39, floating holder 11, feeding guide 44 and chain derivation wheel 26 and is arranged on the same axis; Gang up by series connection steel pipe 40 between left hoist cylinder 20 cavity of resorptions and right hoist cylinder 24 epicoeles and be connected, and be provided with gas exhaust and liquid supplementation device 41 for exhaust and fluid infusion.Gas exhaust and liquid supplementation device 41 effects among the figure; Because series connection steel pipe 40 is ganged up left hoist cylinder 20 cavity of resorptions and right hoist cylinder 24 epicoeles, the enclosed cavity that forms need to carry out exhaust and fluid infusion when installation and working service, utilize gas exhaust and liquid supplementation device 41 to carry out exhaust, fluid infusion operation, guaranteed easily the in the same way requirement of left and right oil cylinder constant speed.
3, described feeding slippage parts comprise feeding oil cylinder 17, left holder 18, displacement transducer B19, feeding slide block 21, travel(l)ing rest 22 and feeding fork 23, feeding oil cylinder 17 is fixedly connected with feeding slide block 21 by piston rod, feeding slide block 21 is provided with the feeding fork 23 that cooperates for workpiece chain 6, the left wallboard 3 of frame is connected with displacement transducer B19 by left holder 18, the movable end of displacement transducer B19 is fixedly connected with travel(l)ing rest 22, and travel(l)ing rest 22 is fixedly connected with feeding slide block 21.
4, the steel letter printing parts comprise typewriting oil cylinder 30, typewriting main shaft 29, seat adjuster 28, steel seal clamper 27, typewriting oil cylinder 30 is connected with steel seal clamper 27 by typewriting main shaft 29, seat adjuster 28, and steel seal clamper 27 is corresponding with the position of workpiece chain 6.
The control method of this computer controlled hydraulic servo universal chain calibrating machine tool of the present invention, comprise the steps: 1, trimming process: pressure oil enters proofreaies and correct master cylinder 1 back cavity, promote main oil cylinder piston bar 2 right laterals, promoting sliding crossbeam 10 moves right, the floating holder 11 of installing on the sliding crossbeam 10 drives workpiece chain 6 right laterals, make workpiece chain 6 tensions of 11 of stationary fixture 5 and floating holders elongated, realize proofreading and correct; When correction reaches the technique initialization size, 2 stop motions of main oil cylinder piston bar, pressurize stagnated for 2～3 seconds, then proofreaied and correct master cylinder 1 and resetted, and finished a correction link in the operation cycle;
2, dismounting chain: proofreading and correct master cylinder 1 reset mode, be that workpiece chain 6 is relaxed state, pressure oil enters the cavity of resorption of left hoist cylinder 20 and right hoist cylinder 24, the pushing piston bar rises, make guide rail beam 25, chain importing wheel 16, chain derive wheel 26 and intermediate rail 39 risings, the engagement of workpiece chain 6 disengaging stationary fixtures 5, floating holder 11 realizes 6 dismountings of workpiece chain, this moment, workpiece chain 6 entered engagement with the feeding fork, can carry out the feeding action;
3, feeding process: at left hoist cylinder 20 and right hoist cylinder 24 lifting states: namely guide rail beam 25, chain import wheel 16, chain derives wheel 26 and intermediate rail 39 and holds up in orbit workpiece chain 6 and break away from engagement with stationary fixture 5, floating holder 11, and workpiece chain 6 enters engagement with feeding fork 23 simultaneously; At this moment, pressure oil enters feeding oil cylinder 17 back cavities, piston rod promotes feeding slide block 21, feeding fork 23 moves right, drive the workpiece chains 6 gauge length L (L is determined by chain specification and correction stroke) that advances with the feeding fork 23 of chain engagement, its position is detected automatically by displacement transducer B19, computer program control.Feeding fork 23 breaks away from workpiece chain 6 after left hoist cylinder 20 and right hoist cylinder 24 reset, and feeding oil cylinder 17 resets, and finishes the feeding task, and operation cycle enters next program behavior.
4, chain clamping process: under workpiece chain 6 disassembly status, pressure oil enters the epicoele of left hoist cylinder 20 and right hoist cylinder 24, left hoist cylinder 20 and right hoist cylinder 24 reset, feeding fork 23 breaks away from workpiece chain 6, the piston rod of left hoist cylinder 20 and right hoist cylinder 24 drives guide rail beam 25, chain imports wheel 16, chain derivation wheel 26 and intermediate rail 39 and descends, workpiece chain 15 falls into stationary fixture 5 and floating holder 11 by gravity on it, finish the chain clamping, operation cycle enters next program behavior.
5, typewriting process---pressure oil enters typewriting oil cylinder 30 epicoeles, and piston rod is by typewriting main shaft 29, promotes seat adjuster 28, steel seal clamper 27 is descending, finishes marking function on workpiece chain 6; Then the oil cylinder 30 of typewriting resets.
6, for to guarantee in the pressurize Ageing Treatment in 2～3 seconds, chain pitch no longer is elongated, the spacing safeties of ad hoc meter, that is: after system debug is finished, sliding crossbeam 10 is rested on correction pressurize position, the insurance screw mandrel 13 that will be loaded on again on the right wallboard 14 of frame transfers to and insurance collision block 12 close contacts that are loaded on the sliding crossbeam 10, and nut 15 at last is locked.So just guaranteed each circulation time, the chain pitch uniformity and the stability that are corrected.
Force balance type during pressurize: F cylinder thrust=F proofreaies and correct (resistance) power+F screw mandrel resistance.
The two axis of guide 32 methods of adjustment: owing to expanding with heat and contract with cold of metal material, two axis of guides 32 will deform at the winter or summer joint, and adjustment need to eliminate stress.This lathe is at the ad hoc meter guiding mechanism of the right-hand member of two axis of guides 32, and it is as follows that it adjusts order: loosen first the stretching screw 35 on the mounting flange 33, after loosen and hold out against nut 34, so just thoroughly eliminated the distortional stress of two axis of guides 32; Then tighten by designing requirement and hold out against nut 34, tighten stretching screw 35, so just finished adjustment process.
Application of new technology of the present invention: use the load sensor technology that chain is proofreaied and correct and implement omnidistance calibrated force observing and controlling and the calibrated force normal fluctuation range is set and shutdown, alarm point position; Use displacement transducer technology that chain is proofreaied and correct and implement omnidistance distortion observing and controlling, distortion starting point position is set, proofreaies and correct the end of a period seat and proofreaies and correct elongation; Use computer and synthetic technology, above-mentioned deformation data, load variations binomial parameter are realized that the computer screen real-time curve shows, data are preserved automatically and export.
In addition to the implementation, the present invention can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of requirement of the present invention.
Claims (8)
1. computer controlled hydraulic servo universal chain calibrating machine tool, by main frame, the integrated two parts of hydraulic power unit and hydraulic control valve form, it is characterized in that: described main frame comprises proofreaies and correct the slippage parts, chain loading and unloading parts and feeding slippage parts, wherein (1), described correction slippage parts comprise proofreaies and correct master cylinder (1), the left wallboard of frame (3), Left-wing Federation's acting flange (4), stationary fixture (5), workpiece chain (6), load sensor (7), right connecting flange (8), displacement transducer A (9), sliding crossbeam (10), floating holder (11) and the right wallboard of frame (14), wherein proofread and correct master cylinder (1) by main oil cylinder piston bar (2), Left-wing Federation's acting flange (4), right connecting flange (8) is connected with sliding crossbeam (10), sliding crossbeam (10) is installed in two axis of guides (32) upward and is with it and is slidingly matched, and two axis of guides (32) are installed between the left wallboard of frame (3) and the right wallboard of frame (14); Stationary fixture (5) is fixedly connected on the left wallboard of frame (3), and floating holder (11) is fixedly connected on the sliding crossbeam (10), and workpiece chain (6) is installed on stationary fixture (5) and the floating holder (11); Be provided with load sensor (7) between Left-wing Federation's acting flange (4) and right connecting flange (8), be connected with on the left wallboard of frame (3) for the displacement transducer A (9) that measures workpiece chain (6) displacement;
(2), described chain loading and unloading parts comprise that chain imports wheel (16), left hoist cylinder (20), right hoist cylinder (24), guide rail beam (25) and chain and derives wheel (26), left hoist cylinder (20), right hoist cylinder (24) are fixedly connected on respectively on the left wallboard of frame (3) and the right wallboard of frame (14) by two oil cylinder mounting seat (37), and two piston rods of left hoist cylinder (20), right hoist cylinder (24) all are fixedly connected with guide rail beam (25); Guide rail beam (25) one ends are fixedly connected with chain and import wheel (16) and chain importing track (36), the other end of guide rail beam (25) is fixedly connected with feeding guide (44) and chain is derived wheel (26), be provided with the intermediate rail (39) that is fixedly connected on guide rail beam (25) centre position between stationary fixture (5) and floating holder (11), chain imports wheel (16), chain imports track (36), stationary fixture (5), intermediate rail (39), floating holder (11), feeding guide (44) and chain are derived wheel (26) and are arranged on the same axis;
(3), described feeding slippage parts comprise feeding oil cylinder (17), left holder (18), displacement transducer B (19), feeding slide block (21), travel(l)ing rest (22) and feeding fork (23), feeding oil cylinder (17) is fixedly connected with feeding slide block (21) by piston rod, feeding slide block (21) is provided with the feeding fork (23) that cooperates for workpiece chain (6), the left wallboard of frame (3) is connected with displacement transducer B (19) by left holder (18), the movable end of displacement transducer B (19) is fixedly connected with travel(l)ing rest (22), and travel(l)ing rest (22) is fixedly connected with feeding slide block (21).
2. computer controlled hydraulic servo universal chain calibrating machine tool according to claim 1, it is characterized in that: described main frame also comprises steel letter printing parts and safety device (31), the steel letter printing parts comprise typewriting oil cylinder (30), typewriting main shaft (29), seat adjuster (28), steel seal clamper (27), typewriting oil cylinder (30) is by typewriting main shaft (29), seat adjuster (28) is connected with steel seal clamper (27), and steel seal clamper (27) is corresponding with the position of workpiece chain (6).
3. computer controlled hydraulic servo universal chain calibrating machine tool according to claim 1, it is characterized in that: the rear end of sliding crossbeam (10) is provided with insurance collision block (12) in the described correction slippage parts, and the insurance screw mandrel (13) that is corresponding matching with insurance collision block (12) is fixedly connected on the right wallboard of frame (14) by hold-down nut (15).
4. computer controlled hydraulic servo universal chain calibrating machine tool according to claim 1, it is characterized in that: be connected with on the right side of the described pair of axis of guide (32) and hold out against nut (34), hold out against nut (34) and be threaded engagement and be installed in the mounting flange (33), mounting flange (33) is fixedly mounted on the right wallboard of frame (14); Stretching screw (35) is matched in clearance and is installed in and holds out against in the nut (34), and is threaded engagement with the right side of two axis of guides (32) and is connected.
5. computer controlled hydraulic servo universal chain calibrating machine tool according to claim 1, it is characterized in that: in the described chain loading and unloading parts, two piston rods of left hoist cylinder (20), right hoist cylinder (24) are fixedly connected with an end of two axis of guides (42), be connected with lifting guide mechanism (38) on the axis of guide (42), the other end of the axis of guide (42) is fixedly connected with guide rail beam (25) by joint bolt (43).
6. computer controlled hydraulic servo universal chain calibrating machine tool according to claim 1 or 5, it is characterized in that: in the described chain loading and unloading parts, gang up by series connection steel pipe (40) between left hoist cylinder (20) cavity of resorption and right hoist cylinder (24) epicoele and be connected, and be provided with gas exhaust and liquid supplementation device (41) for exhaust and fluid infusion.
7. a control method that adopts computer controlled hydraulic servo universal chain calibrating machine tool as claimed in claim 1 is characterized in that: comprise the steps:
(1), trimming process: pressure oil enters proofreaies and correct master cylinder (1) back cavity, promote main oil cylinder piston bar (2) right lateral, promoting sliding crossbeam (10) moves right, the upper floating holder (11) of installing of sliding crossbeam (10) drives workpiece chain (6) right lateral, makes workpiece chain (6) tension between stationary fixture (5) and floating holder (11) elongated; When correction reaches the technique initialization size, main oil cylinder piston bar (2) stop motion, pressurize stagnated for 2～3 seconds, then proofreaied and correct master cylinder (1) and resetted, and finished a correction link in the operation cycle;
(2), dismounting chain: proofreading and correct master cylinder (1) reset mode, be that workpiece chain (6) is relaxed state, pressure oil enters the cavity of resorption of left hoist cylinder (20) and right hoist cylinder (24), the pushing piston bar rises, making guide rail beam (25), chain import wheel (16), chain derivation wheel (26) and intermediate rail (39) rises, workpiece chain (6) breaks away from the engagement of stationary fixture (5), floating holder (11), realizes workpiece chain (6) dismounting;
(3), feeding process: at left hoist cylinder (20) and right hoist cylinder (24) lifting state: namely guide rail beam (25), chain import wheel 16, chain derives wheel 26 and intermediate rail (39) and holds up in orbit workpiece chain (6) and break away from engagement with stationary fixture (5), floating holder (11), and workpiece chain (6) enters engagement with feeding fork (23) simultaneously; At this moment, pressure oil enters feeding oil cylinder (17) back cavity, piston rod promotes feeding slide block (21), feeding fork (23) moves right, drive workpiece chain (6) the gauge length L that advances with the feeding fork (23) of chain engagement, its position is detected by displacement transducer B (19), feeding oil cylinder (17) is stagnated or is waited for, finishes feeding;
(4), chain clamping process: under workpiece chain (6) disassembly status, pressure oil enters the epicoele of left hoist cylinder (20) and right hoist cylinder (24), left hoist cylinder (20) and right hoist cylinder (24) reset, feeding fork (23) breaks away from workpiece chain (6), the piston rod of left hoist cylinder (20) and right hoist cylinder (24) drives guide rail beam (25), chain imports wheel 16, wheel 26 derived by chain and intermediate rail (39) descends, workpiece chain (6) falls into stationary fixture (5) and floating holder (11) by gravity on it, finishes the chain clamping;
(5), be disengaged position when finishing chain clamping, feeding fork (23) with workpiece chain (6), feeding oil cylinder (17) resets, and operation cycle enters next program behavior.
8. the control method of computer controlled hydraulic servo universal chain calibrating machine tool according to claim 7, it is characterized in that: after system debug is finished, sliding crossbeam (10) is rested on correction pressurize position, the insurance screw mandrel (13) that will be loaded on again on the right wallboard of frame (14) transfers to and insurance collision block (12) close contact that is loaded on the sliding crossbeam (10), and nut (15) at last is locked.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010238808 CN101941041B (en) | 2010-07-23 | 2010-07-23 | Universal checking machine tool of computer-controlled hydraulic servo chain and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010238808 CN101941041B (en) | 2010-07-23 | 2010-07-23 | Universal checking machine tool of computer-controlled hydraulic servo chain and control method thereof |
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| Publication Number | Publication Date |
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| CN101941041A CN101941041A (en) | 2011-01-12 |
| CN101941041B true CN101941041B (en) | 2013-02-06 |
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| CN 201010238808 Expired - Fee Related CN101941041B (en) | 2010-07-23 | 2010-07-23 | Universal checking machine tool of computer-controlled hydraulic servo chain and control method thereof |
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Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102527918B (en) * | 2012-01-09 | 2014-01-29 | 杭州浙中链条有限公司 | Lifting chain corrector |
| CN102554117A (en) * | 2012-01-20 | 2012-07-11 | 安吉长虹制链有限公司 | Chain correcting device |
| CN103231005B (en) * | 2013-04-22 | 2015-01-14 | 安吉长虹制链有限公司 | Chain correction device |
| CN103192133A (en) * | 2013-04-22 | 2013-07-10 | 安吉长虹制链有限公司 | Positioning capturing structure of chain cutting machine |
| CN103192131B (en) * | 2013-04-22 | 2014-12-17 | 安吉长虹制链有限公司 | Chain cutting machine |
| CN104384434B (en) * | 2014-11-06 | 2017-01-04 | 中煤张家口煤矿机械有限责任公司 | Round-link chain monocycle stretching-machine |
| CN104588564A (en) * | 2015-01-21 | 2015-05-06 | 太仓椿盟链传动有限公司 | Static pretensioning device for chain |
| CN105583353B (en) * | 2016-02-23 | 2017-09-29 | 杭州浙中链条有限公司 | A kind of high precision hoisting chain bar correction machine and its operating method |
| CN108296409A (en) * | 2018-04-09 | 2018-07-20 | 苏州环球科技股份有限公司 | Lifting platform and chain commissioning device |
| CN109290512B (en) * | 2018-08-08 | 2024-03-08 | 张家口北方对焊机有限公司 | Chain stretching corrector |
| CN113979097B (en) * | 2021-10-29 | 2023-04-25 | 浙江浦江伯虎链条股份有限公司 | Chain placing machine |
| CN116499734B (en) * | 2023-06-25 | 2023-09-26 | 安泰源特种设备检测集团有限公司 | Elevator safety valve verification platform and verification method thereof |
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| GB680879A (en) * | 1950-06-01 | 1952-10-15 | Gutehoffnungshuette Oberhausen | Improvements in machines for stretching ductile machine elements, more particularly for calibrating chains |
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| CN2796894Y (en) * | 2005-05-17 | 2006-07-19 | 王洪军 | Automatic precise correcting device of metal ring chain |
| CN201735726U (en) * | 2010-07-23 | 2011-02-09 | 陈霖 | Computer controlled hydraulic servo universal chain calibrating machine tool |
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Patent Citations (4)
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|---|---|---|---|---|
| GB680879A (en) * | 1950-06-01 | 1952-10-15 | Gutehoffnungshuette Oberhausen | Improvements in machines for stretching ductile machine elements, more particularly for calibrating chains |
| GB1236930A (en) * | 1967-11-28 | 1971-06-23 | John Lang & Son Ltd | Tensioning device for haulage chains or cables |
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| CN201735726U (en) * | 2010-07-23 | 2011-02-09 | 陈霖 | Computer controlled hydraulic servo universal chain calibrating machine tool |
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