Summary of the invention
Technical problem to be solved by this invention is to provide a kind of Split type intelligent grinding machine, can simplify the structure of existing equipment, is especially convenient to utilize existing grinding machine, improves the speed of service, reduces holistic cost.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is: a kind of Split type intelligent grinding machine, comprise crossbeam, crossbeam is provided with along the mechanical arm of horizontal guide rail action, crossbeam below is provided with work piece platform, thickness detection apparatus, flip-arm and workbench successively, in work piece platform, be provided with workpiece guide rod, mechanical arm is provided with riser guide, cylinder is arranged on mechanical arm, magnechuck is connected with cylinder, air cylinder driven magnechuck, along the riser guide lifting of sliding, is provided with the spring for cushioning between magnechuck and cylinder.
When air cylinder driven magnechuck is positioned at limes superiors point, the distance of the lower surface of magnechuck and workpiece guide rod upper surface, is greater than the thickness of a workpiece, is less than the thickness of two workpiece.
The cushion stroke of described spring is more than or equal to the integral thickness of the actual stacking workpiece of workpiece guide rod.
On crossbeam, be provided with the Timing Belt of arranging along horizontal guide rail, the two ends of Timing Belt are fixedly mounted on the two ends of crossbeam;
Mechanical arm is slidably mounted on horizontal guide rail, and mechanical arm is provided with the synchronous pulley with Timing Belt engagement, and synchronous pulley is connected with the manipulator servomotor being fixedly mounted on mechanical arm.
Both sides at synchronous pulley are provided with straining pulley, and straining pulley is positioned at the opposite side that Timing Belt is relative with synchronous pulley, so that the cornerite between synchronous pulley and Timing Belt increases.
In described thickness detection apparatus, upper detection roller and lower detection roller are all arranged on and are detected on riser guide by base sliding;
The base of the base of upper detection roller and lower detection roller by spring fitting in frame, so that test point floats between upper detection roller and lower detection roller;
Also be provided with the detection head for detection of gap between upper detection roller and lower detection roller or between upper detection roller and the base of lower detection roller.
Described detection head is laser ranging detection head or displacement transducer.
The control device being connected with detection head is proofreaied and correct measuring at any time zero point when not detecting.
Detecting riser guide is connected with the piston rod that detects lift cylinder, detecting lift cylinder cylinder body is connected with the cylinder body that detects turnover cylinder, the piston rod that detects turnover cylinder is connected with the nut piece that detects leading screw, and the leading screw that detects leading screw is arranged in thickness detection apparatus frame.
Adopt Split type structure, crossbeam, mechanical arm, work piece platform, thickness detection apparatus, flip-arm and workbench integral body are a part, and grinding machine is another part.
A kind of Split type intelligent grinding machine provided by the invention, by adopting split type structure, can utilize existing grinding machine, reduced the holistic cost of equipment, by air cylinder driven lifting is set on mechanical arm, also coordinate the mode of the spring for cushioning, simplified the structure of mechanical arm, especially simplified control mode, high-low limit point by cylinder carrys out control action precision, has significantly simplified control difficulty.By adopting the mode of spring buffer, thereby without accurately controlling mechanical height and position.The horizontal drive of mechanical arm adopts Timing Belt, has especially adopted Timing Belt to fix, and the mode of driving wheel motion, has reduced the cost of equipment.The thickness detection apparatus arranging, by adopting the test point of full-floating type, i.e. the upper detection roller of full floating and lower detection roller, having solved thickness and position different product specification measurement point needs continuous adjustment problem.By the mode at zero point of correcting measuring at any time, solved because the Zero drift in main amplifier that various factors causes, thereby improved certainty of measurement.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described.
Fig. 1 is overall structure schematic diagram of the present invention.
Fig. 2 is the syndeton schematic diagram of middle cross beam of the present invention and mechanical arm.
Fig. 3 is Timing Belt and synchronous pulley annexation schematic diagram in the present invention.
Fig. 4 is the main TV structure schematic diagram of thickness detection apparatus in the present invention.
Fig. 5 is the side-looking structural representation of thickness detection apparatus in the present invention.
In figure: crossbeam 1, horizontal guide rail 2, Timing Belt 3, straining pulley 4, synchronous pulley 5, manipulator servomotor 6, riser guide 7, thickness detection apparatus 8, detect lift cylinder 801, upper detection guide rail 802, lower detection guide rail 803, handwheel 804, detect leading screw 805, detection head 806, detect riser guide 807, detect turnover cylinder 808, detect extension spring 809, upper detection roller 810, lower detection roller 811, frame (812), adjustable shelf (813), fixed mount (814), lifting ball-screw 9, pressing plate 10, cylinder 11, magnechuck 12, emery wheel 13, electrical control cubicles 14, workbench 15, table feed servomotor 16, flip-arm 17, rotary cylinder 18, ball screw for feeding 19, cleaning manipulator 20, finished product seat 21, emery wheel lifting servomotor 22, central control board 23, work piece platform 24, workpiece guide rod 25, working station indicator 26, spring 27.
The specific embodiment
In Fig. 1~5, a kind of Split type intelligent grinding machine, comprise crossbeam 1, crossbeam 1 top is provided with working station indicator 26, so that operating personnel can manage multiple devices simultaneously, crossbeam 1 is provided with along the mechanical arm of horizontal guide rail 2 actions, crossbeam 1 below is provided with work piece platform 24, thickness detection apparatus 8, flip-arm 17 and workbench 15 successively, workbench 15 is provided with the motor that drives its rotation, workbench assembly is connected with the nut piece of ball screw for feeding 19, table feed servomotor 16 is connected with the leading screw part of ball-screw 19, realizes the feeding of workbench 15.
Preferably, in workbench 15 1 sides, be also provided with cleaning manipulator 20, for cleaning workpiece and workbench 15, above workbench 15, be provided with the sheet devices of having blown, for destroying the moisture film of surface of the work, make workpiece separated with workbench 15 surfaces.In work piece platform 24, be provided with workpiece guide rod 25, preferred, in work piece platform 24 1 sides, be also provided with finished product seat 21, for temporary finished product, or omit finished product seat 21, by the direct discharging of manipulator 20 to hopper.
Preferably, adopt Split type structure, crossbeam 1, mechanical arm, work piece platform 24, finished product seat 21, thickness detection apparatus 8, flip-arm 17 and workbench 15 integral body are a part, and grinding machine is another part.The emery wheel 13 of grinding machine is positioned at the oblique upper of workbench 15, emery wheel 13 is connected with drive motors with main shaft, whole emery wheel assembly is connected with the nut piece in lifting ball-screw 9, leading screw part in lifting ball-screw 9 is arranged in the frame of grinding machine, emery wheel lifting servomotor 22 drives the rotation of leading screw part, to realize the lifting of emery wheel assembly.Adopt split type structure, can make full use of existing grinding machine, reduce user's use cost.Further, crossbeam and mechanical arm assembly also can adopt Split type structure with the assembly of workbench 15, to utilize existing workbench 15 assemblies.
The present invention, before and after the grinding of workpiece, utilizes the 806 pairs of thickness of workpiece of detection head in thickness detection apparatus 8 to measure, and obtains saw blade thickness of workpiece value, and calculates based on this grinding parameter and control grinding flow process; Utilize the manipulator of independent PLC control, realize the automatic loading/unloading of saw blade workpiece; The electrical control cubicles 14 being equipped with and central control board 23 have been realized the full-automatic grinding processing of workpiece.Workpiece grinding and manipulator loading and unloading parallel running, realized full-automatic loading and unloading, workpiece turn-over, bench clean.The moving Ce Liang ﹑ classification of workpiece material Hou Du ﹑ finished product thickness Zi.Automatically control the amount of feeding of grinding machine and workbench 15.
The present invention has 5 stations.By 1 central control system, carry out center control.1 displacement detecting measuring system is carried out thickness measure.By 1 water treatment mechanism, complete cooling cleaning.
The present invention has not only saved a large amount of process times, and workpiece grinding process is full-automatic; Realized the target of high efficiency, high accuracy, easy to operate, environmental protection.
In Fig. 2, mechanical arm is provided with riser guide 7, and cylinder 11 is arranged on mechanical arm, and magnechuck 12 is connected with cylinder 11, and cylinder 11 drives magnechuck 12 along riser guide 7 slip liftings, is provided with the spring 27 for cushioning between magnechuck 12 and cylinder 11.When the piston rod of cylinder 11 stretches out, drive magnechuck 12 descending, if now magnechuck 12 is encountered obstacle, workpiece for example, spring 27 shrinks, and realizes buffering.
Preferred as in Fig. 1, when cylinder 11 driving magnechucks 12 are positioned at limes superiors point, the distance of the lower surface of magnechuck 12 and workpiece guide rod 25 upper surfaces, is greater than the thickness of a workpiece, is less than the thickness of two workpiece.Structure, guarantees that each can pick up a workpiece thus, and unnecessary workpiece can be stopped and fall by the upper end of workpiece guide rod 25.Preferably, when described magnechuck 12 is positioned at limes superiors point, the position, lower surface of magnechuck 12, concordant in the horizontal direction with the operating position of thickness detection apparatus 8, flip-arm 17 and workbench 15.So that the magnechuck 12 on mechanical arm while being positioned at limes superiors point, can being transported to workpiece translational motion thickness detection apparatus 8 and carrying out thickness detection; To flip-arm 17, carry out workpiece turn-over and carry out workpiece grinding to workbench 15.
The cushion stroke of described spring 27 is more than or equal to the integral thickness of workpiece guide rod 25 actual stacking workpiece.Structure thus, so that mechanical arm is without controlling the each descending height of magnechuck 12, as long as make the position of cylinder 11 in limit inferior point, magnechuck 12 is touched under the control of switch in time delay, can pick up the workpiece of arbitrary height on workpiece guide rod 25.Simplified thus control difficulty, also avoided, after the touching switch damage on magnechuck 12, causing magnechuck 12 to damage.Coordinate cylinder 11 to be positioned at the position of limes superiors point and the height of workpiece guide rod 25, guarantee that each can pick up a workpiece.
On crossbeam 1, be provided with the Timing Belt 3 of arranging along horizontal guide rail 2, the two ends of Timing Belt 3 are fixedly mounted on the two ends of crossbeam 1;
Mechanical arm is slidably mounted on horizontal guide rail 2, and mechanical arm is provided with the synchronous pulley 5 with Timing Belt 3 engagements, and synchronous pulley 5 is connected with the manipulator servomotor 6 being fixedly mounted on mechanical arm.Structure, simplifies the structure thus, has reduced cost.Especially compare with gear, rack drives mode, because the length of Timing Belt 3 is convenient to cut out, and batch production cost is also lower, therefore can reduce use cost.Compare with screw-nut body, outside processing reduces costs, can also improve the speed of service.
In the both sides of synchronous pulley 5, be provided with straining pulley 4, straining pulley 4 is positioned at the opposite side that Timing Belt 3 is relative with synchronous pulley 5, so that the cornerite between synchronous pulley 5 and Timing Belt 3 increases.Preferred as in Fig. 3, the position of straining pulley 4 be can upper and lower adjusting, so that adjustment and dismantling.
Preferred as in Fig. 4,5, in described thickness detection apparatus 8, upper detection roller 810 and lower detection roller 811 are all arranged on and are detected on riser guide 807 by base sliding; What the upper detection roller 810 in this example and lower detection roller 811 adopted is high-precision bearing.
The base of the base of upper detection roller 810 and lower detection roller 811 by spring fitting in frame, so that test point floats between upper detection roller 810 and lower detection roller 811; Structure thus, to adapt to the variation of thickness of workpiece specification, when mechanical arm is traversing when the thickness detection apparatus of the present invention, between upper detection roller 810 and lower detection roller 811, test point can change along with the variation of mechanical arm lower end position thereupon, therefore can not be subject to the impact of mechanical arm self precision.And also can change along with the variation of thickness of workpiece specification thereupon, therefore, with comparatively simple structure, adapt to the variation of different workpieces thickness specification.This structure especially adapts to the operating mode of online detection.Realizing floats more mode, and for example the lower base that detects roller 811 is connected with frame by spring, and the base of upper detection roller 810 relies on gravity pressure on the base of lower detection roller 811; Or the base of the base of upper detection roller 810 and lower detection roller 811 arranges extension spring.
Also be provided with the detection head 806 for detection of gap between upper detection roller 810 and lower detection roller 811 or between upper detection roller 810 and the base of lower detection roller 811.What in this example, adopt is to measure the upper detection head 806 that detects gap between roller 810 and the base of lower detection roller 811.Be more convenient for the like this Installation and Measurement of detection head 806.
The base of upper detection roller 810 and lower detection roller 811 is connected with piston rod with the cylinder body that detects lift cylinder 801 respectively, upper detection roller 810 and lower detection roller 811 are opened by detecting lift cylinder 801; Adopting other structure that detection roller 810 and lower detection roller 811 are opened is also feasible, for example, adopts the conventional cam mechanism in this area.It should be noted that; that detects lift cylinder 801 can arrange lower pressure conventionally in air circuit; when detecting lift cylinder 801 declines, make the test point contact between upper detection roller 810 and lower detection roller 811; or when upper detection roller 810 contacts with workpiece with lower detection roller 811; detect the increased pressure in lift cylinder 801; for the pressure valve in air circuit, can open, avoid detecting lift cylinder 801, upper detection roller 810 or lower detection roller 811 impaired.
The base of the base of upper detection roller 810, lower detection roller 811 is connected with frame 812 by detecting extension spring 809 with the assembly that detects lift cylinder 801.Structure, floats test point between detection roller 810 and lower detection roller 811 thus.Be convenient to adapt to the variation of workpiece.
In preferred scheme, described detection head 806 is laser ranging detection head or displacement transducer.For laser ranging detection head, mounting means is to be fixed on detection roller 810 or lower detection roller 811, by laser beam detection and relative lower detection roller 811 and the distance between upper detection roller 810.And for displacement transducer, be connected with lower detection roller 811 with upper detection roller 810 respectively, measure the change in displacement between the two, grating displacement sensor for example, preferably, adopt absolute value grating displacement sensor, measure the displacement forming after definite zero point.
In preferred scheme, comprise the base of detection roller 810, the detection assembly of the base of lower detection roller 811, detection extension spring 809, detection head 806 and detection lift cylinder 801 is connected with detection turnover cylinder 808, detect turnover cylinder 808 and be connected with adjustable shelf 813, to drive, detect assembly turnover.Structure, makes to detect assembly for the process at whole equipment and dodges workpiece, for example thus, in Fig. 3, can be by finished product seat, or finished product discharge channel is arranged on the below of thickness detection apparatus 3, when discharging, detection turnover cylinder 808 makes to detect assembly and retreats, and can not disturb finished product discharging.
In preferred scheme, be also provided with for the lower detection guide rail 803 to detecting turnover cylinder 808 guiding.Structure, makes to detect assembly turnover process steady thus.
In preferred scheme, described adjustable shelf 813 is connected with the nut piece that detects leading screw 805, and the leading screw part that detects leading screw 805 is arranged on fixed mount 814.
In preferred scheme, the leading screw part termination of described detection leading screw 805 is provided with handwheel 804;
In preferred scheme, or the termination of detecting leading screw 805 is connected with servomotor, not shown.Structure, tentatively regulates the position of detecting assembly, to adapt to the measurement of the products of different specifications that diameter difference is very large thus.
In preferred scheme, be also provided with for the upper detection guide rail 802 to detecting leading screw 805 guiding.
In preferred scheme, the control device being connected with detection head 806 is not when upper detection roller 810 and lower detection roller 811 detect, to measuring, proofread and correct zero point at any time, in the time period of each PLC scanning or each setting, carry out zero correction, measurement point is made zero.Structure, has avoided the impact of sensor zero point drift on certainty of measurement thus.Also avoided being subject to the impact that reference precision changes.Compared with prior art, certainty of measurement is doubled, and error is reduced to 0.01mm from 0.02mm.
The above embodiments are only the preferred technical solution of the present invention; and should not be considered as for restriction of the present invention; the technical scheme that protection scope of the present invention should be recorded with claim, comprises that the alternative that is equal to of technical characterictic in the technical scheme that claim records is protection domain.Being equal within the scope of this, replaces and improves, also within protection scope of the present invention.