Summary of the invention
Technical problem to be solved by this invention is to provide a kind of split type intelligence grinding machine, it is possible to simplifies the structure of existing installation, especially is convenient to utilize existing grinding machine, it is to increase travelling speed, 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 intelligence grinding machine, comprise crossbeam, crossbeam is provided with the mechanical arm along horizontal guide rail action, work piece platform, thickness detection apparatus, flip-arm and worktable it is provided with successively below crossbeam, work piece platform is provided with workpiece guide rod, mechanical arm is provided with riser guide, cylinder is installed on the robotic arm, magneticchuck is connected with cylinder, air cylinder driven magneticchuck slides lifting along riser guide, is provided with the spring for cushioning between magneticchuck and cylinder.
When air cylinder driven magneticchuck is positioned at limes superiors point, the lower surface of magneticchuck and the distance of workpiece guide rod upper surface, be greater than the thickness of a workpiece, be less than the thickness of two workpiece.
The buffering stroke of described spring is more than or equal to the integral thickness of the actual stacking workpiece of workpiece guide rod.
Being provided with the synchronous band arranged along horizontal guide rail on crossbeam, the two ends of synchronous band 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 belt wheel engaged with synchronous band, and synchronous belt wheel is connected with fixed installation mechanical manipulator servomotor on the robotic arm.
Being provided with straining pulley in the both sides of synchronous belt wheel, straining pulley is positioned at synchronous band another side relative with synchronous belt wheel, so that the cornerite between synchronous belt wheel with synchronous band increases.
In described thickness detection apparatus, upper detection roller and lower detection roller are all slidably mounted on detection riser guide by base;
The base of upper detection roller and the base of lower detection roller by spring fitting in frame so that between upper detection roller and lower detection roller check point float;
Also it is provided with for detecting between upper detection roller and lower detection roller or the detection head in gap between the base of upper detection roller and lower detection roller.
Described detection head is laser ranging detection head or displacement sensor.
The control device being connected with detection head, corrects measurement zero point at any time when not detecting.
Detection riser guide is connected with the piston rod of detection lift cylinder, detection lift cylinder cylinder body is connected with the cylinder body of detection turnover cylinder, the piston rod of detection turnover cylinder is connected with the nut piece of detection leading screw, and the leading screw of detection leading screw is arranged in thickness detection apparatus frame.
Adopting split structure, crossbeam, mechanical arm, work piece platform, thickness detection apparatus, flip-arm and worktable entirety are a part, and grinding machine is another part.
One provided by the invention split type intelligence grinding machine, by adopting split type structure, existing grinding machine can be utilized, reduce the holistic cost of equipment, also coordinate the mode for the spring cushioned by arranging air cylinder driven lifting on the robotic arm, simplify the structure of mechanical arm, especially simplify control mode, control operation precision by the stone wall limit up and down of cylinder, significantly simplify control difficulty. By adopting the mode of spring buffer, thus without the need to accurately controlling the height location of machinery. The horizontal drive of mechanical arm adopts synchronous band, especially have employed synchronous band fixing, and the mode of driving wheel motion, reduce the cost of equipment. The thickness detection apparatus arranged, by adopting the check point of full-floating type, i.e. the upper detection roller of full floating and lower detection roller, solve thickness and position variant production specification measurement point needs continuous adjustment problem. By the mode of correcting measuring zero point at any time, solve the zero wander problem caused because of various factors, thus improve measuring accuracy.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described.
Fig. 1 is the one-piece construction schematic diagram of the present invention.
Fig. 2 is the connection structural representation of crossbeam and mechanical arm in the present invention.
Fig. 3 is that in the present invention, synchronous band connects relation schematic diagram with synchronous belt wheel.
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, synchronous band 3, straining pulley 4, synchronous belt wheel 5, mechanical manipulator servomotor 6, riser guide 7, thickness detection apparatus 8, detection lift cylinder 801, upper detection guide rail 802, lower detection guide rail 803, handwheel 804, detection leading screw 805, detection head 806, detection riser guide 807, detection turnover cylinder 808, detection extension spring 809, upper detection roller 810, lower detection roller 811, frame (812), adjustable shelf (813), anchor (814), lifting ball-screw 9, pressing plate 10, cylinder 11, magneticchuck 12, emery wheel 13, electrical control cubicles 14, worktable 15, worktable feed servo motor 16, flip-arm 17, rotary cylinder 18, ball screw for feeding 19, cleaning manipulator 20, finished product seat 21, emery wheel lift servo motor 22, central desk 23, work piece platform 24, workpiece guide rod 25, working station indicator 26, spring 27.
Embodiment
As in Fig. 1��5, a kind of split type intelligence grinding machine, comprise crossbeam 1, crossbeam 1 top is provided with working station indicator 26, so that operator can manage multiple devices simultaneously, crossbeam 1 is provided with the mechanical arm along horizontal guide rail 2 action, work piece platform 24, thickness detection apparatus 8, flip-arm 17 and worktable 15 it is provided with successively below crossbeam 1, worktable 15 is provided with the motor driving it to rotate, worktable always becomes the nut piece with ball screw for feeding 19 to be connected, worktable feed servo motor 16 is connected with the leading screw part of ball-screw 19, it is achieved the feeding of worktable 15.
Preferably, also it is provided with cleaning manipulator 20 in worktable 15 side, for cleaning workpiece and worktable 15, it is provided with, above worktable 15, sheet devices of having blown, for destroying the water film of workpiece surface, workpiece is separated with worktable 15 surface. Work piece platform 24 is provided with workpiece guide rod 25, it is preferable that, also it is provided with finished product seat 21 in work piece platform 24 side, for temporary finished product, or omits finished product seat 21, by the direct discharging of mechanical manipulator 20 to hopper.
Preferably, adopting split structure, crossbeam 1, mechanical arm, work piece platform 24, finished product seat 21, thickness detection apparatus 8, flip-arm 17 and worktable 15 entirety are a part, and grinding machine is another part. The emery wheel 13 of grinding machine is positioned at the oblique upper of worktable 15, emery wheel 13 is connected with main shaft and drive-motor, whole sand 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 lift servo motor 22 drives leading screw part to rotate, to realize the lifting of sand wheel assembly. Adopt split type structure, it is possible to make full use of existing grinding machine, reduce the use cost of user. Further, crossbeam with machinery arm assembly can also with worktable 15 always become employing split structure, to utilize existing worktable 15 always to become.
The present invention, before and after the ground finish of workpiece, utilizes the detection head 806 in thickness detection apparatus 8 to be measured by thickness of workpiece, obtains saw blade thickness of workpiece value, and calculates grinding parameter and control grinding flow process based on this; Utilize the mechanical manipulator that independent PLC controls, it is achieved the automatic loading/unloading of saw blade workpiece; The electrical control cubicles 14 being equipped with and central desk 23 achieve the full-automatic grinding processing of workpiece. Workpiece ground finish and mechanical manipulator loading and unloading parallel running, it is achieved that face, bench clean are turned in full-automatic loading and unloading, workpiece. Workpiece material thickness finished product thickness measures classification automatically. Automatically the amount of feed of control grinding machine and worktable 15.
The present invention has 5 stations. Center control is carried out by 1 central control system. 1 displacement detecting head measuring system carries out thickness measurement. Complete cooling by 1 water treatment mechanism to clean.
The present invention not only saves a large amount of process period, and workpiece grinding process is full-automatic; Achieve the target of high-level efficiency, high precision, easily operation, environmental protection.
As, in Fig. 2, mechanical arm is provided with riser guide 7, cylinder 11 is installed on the robotic arm, and magneticchuck 12 is connected with cylinder 11, and cylinder 11 drives magneticchuck 12 to slide lifting along riser guide 7, is provided with the spring 27 for cushioning between magneticchuck 12 and cylinder 11. When the piston rod of cylinder 11 stretches out, driving magneticchuck 12 descending, if now magneticchuck 12 encounters obstacle, such as workpiece, then spring 27 shrinks, it is achieved buffering.
It is preferred as, in Fig. 1, when cylinder 11 drives magneticchuck 12 to be positioned at limes superiors point, the lower surface of magneticchuck 12 and the distance of workpiece guide rod 25 upper surface, be greater than the thickness of a workpiece, be less than the thickness of two workpiece. Thus structure, it is ensured that every time only can pick up a workpiece, unnecessary workpiece can be stopped by the upper end of workpiece guide rod 25 and fall. Preferably, when described magneticchuck 12 is positioned at limes superiors point, the position, lower surface of magneticchuck 12, concordant in the horizontal direction with the working position of thickness detection apparatus 8, flip-arm 17 and worktable 15. So that when the magneticchuck 12 on mechanical arm is positioned at limes superiors point, workpiece translational motion can being transported to thickness detection apparatus 8 and carries out Thickness sensitivity; To flip-arm 17, carry out workpiece turn over face and carry out workpiece ground finish to worktable 15.
The buffering stroke of described spring 27 is more than or equal to the integral thickness of the actual stacking workpiece of workpiece guide rod 25. Thus structure, so that mechanical arm is without the need to controlling the every time descending height of magneticchuck 12, as long as making cylinder 11 be in the position of smallest limit point, magneticchuck 12, under the control of switch is touched in time delay, can pick up the workpiece of arbitrary height on workpiece guide rod 25. Thereby simplify control difficulty, after also avoiding the touching switch on magneticchuck 12 to damage, cause magneticchuck 12 to damage. Coordinate cylinder 11 to be positioned at the position of limes superiors point and the height of workpiece guide rod 25, it is ensured that only can pick up a workpiece every time.
Being provided with the synchronous band 3 arranged along horizontal guide rail 2 on crossbeam 1, the two ends of synchronous band 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 and synchronously synchronous belt wheel 5 with 3 engagements, and synchronous belt wheel 5 is connected with fixed installation mechanical manipulator servomotor 6 on the robotic arm. Thus structure, simplifies the structure, and reduces cost. Especially, compared with gear, rack drives mode, owing to synchronously length with 3 is convenient to cut out, and batch production cost is also lower, therefore can reduce use cost. Compared with screw-nut body, outside process reduces costs, it is also possible to improve travelling speed.
Being provided with straining pulley 4 in the both sides of synchronous belt wheel 5, straining pulley 4 is positioned at synchronous band 3 another sides relative with synchronous belt wheel 5, so that the cornerite between synchronous belt wheel 5 with synchronous band 3 increases. Preferred as in Fig. 3, the position of straining pulley 4 be can upper and lower adjustment so that adjustment and dismantling.
Preferably as, in Fig. 4,5, in described thickness detection apparatus 8, upper detection roller 810 and lower detection roller 811 are all slidably mounted on detection riser guide 807 by base; What upper detection roller 810 in this example and lower detection roller 811 adopted is high-precision bearing.
The base of upper detection roller 810 and the base of lower detection roller 811 by spring fitting in frame so that between upper detection roller 810 and lower detection roller 811 check point float; Thus structure, to adapt to the change of thickness of workpiece specification, namely when the traversing thickness detection apparatus by the present invention of mechanical arm, between upper detection roller 810 and lower detection roller 811, check point can change along with the change of mechanical arm lower end position thereupon, therefore can not be subject to the impact of mechanical arm self precision. And can also change along with the change of thickness of workpiece specification thereupon, therefore with comparatively simple structure, adapt to the change of different workpieces thickness specification. This structure especially adapts to the operating mode of on-line checkingi. Realizing floating and have more mode, such as the base of lower detection roller 811 is connected with frame by spring, and the base of upper detection roller 810 then 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 it is provided with for detecting between upper detection roller 810 and lower detection roller 811 or the detection head 806 in gap between the base of upper detection roller 810 and lower detection roller 811. What adopt in this example is the detection head 806 measuring gap between upper detection roller 810 and the base of lower detection roller 811. It is more convenient for like this Installation and Measurement of detection head 806.
The base of upper detection roller 810 and lower detection roller 811 is connected with the cylinder body and piston rod that detect lift cylinder 801 respectively, to make upper detection roller 810 and lower detection roller 811 open by detection lift cylinder 801; It is also feasible for adopting other structure that detection roller 810 and lower detection roller 811 are opened, the cam mechanism such as adopting this area conventional. It should be noted that; that detects lift cylinder 801 can arrange lower pressure usually in air circuit; when detection lift cylinder 801 decline makes the check point between upper detection roller 810 and lower detection roller 811 contact; or when upper detection roller 810 contacts with workpiece with lower detection roller 811; pressure in detection lift cylinder 801 increases; then can open for the pressure valve in air circuit, avoid detection lift cylinder 801, upper detection roller 810 or lower detection roller 811 impaired.
The base of upper detection roller 810, the base of lower detection roller 811 are connected with frame 812 by detection extension spring 809 with always becoming of detection lift cylinder 801. Thus structure, makes check point between detection roller 810 and lower detection roller 811 float. It is convenient to adapt to the change of workpiece.
In preferred scheme, described detection head 806 is laser ranging detection head or displacement sensor. For laser ranging detection head, installation mode is fixed on detection roller 810 or lower detection roller 811, by laser beam detection with distance between relative lower detection roller 811 and upper detection roller 810. And for displacement sensor, be then connected with upper detection roller 810 and lower detection roller 811 respectively, measure change in displacement therebetween, such as grating displacement sensor, preferably, adopt absolute value grating displacement sensor, the displacement formed after namely measuring the zero point determined.
In preferred scheme, comprise the base of detection roller 810, lower detection roller 811 base, detection extension spring 809, detection head 806 with detection lift cylinder 801 detection always become with detection turnover cylinder 808 be connected, detection turnover cylinder 808 is connected with adjustable shelf 813, to drive detection always to become turnover. Thus structure, such as, for making detection always become to dodge workpiece, in the course of processing of whole equipment, as in Fig. 3, it is possible to by finished product seat, or finished product discharge channel is arranged on the lower section of thickness detection apparatus 3, when discharging, detection turnover cylinder 808 makes detection always become to retreat, and can not disturb finished product discharging.
In preferred scheme, also it is provided with the lower detection guide rail 803 for leading to detection turnover cylinder 808. Thus structure, makes detection always become turnover process steady.
In preferred scheme, described adjustable shelf 813 is connected with the nut piece of detection leading screw 805, and the leading screw part of detection leading screw 805 is arranged on anchor 814.
In preferred scheme, the leading screw part termination of described detection leading screw 805 is provided with handwheel 804;
In preferred scheme, or detection leading screw 805 termination be connected with servomotor, not shown. Thus structure, the preliminary position regulating the total one-tenth of detection, to adapt to the measurement of the very big products of different specifications of diameter difference.
In preferred scheme, also it is provided with the upper detection guide rail 802 for leading to detection leading screw 805.
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, at any time measurement zero point is corrected, namely carry out zero correction in the time period that each PLC scans or each sets, measurement point is made zero. Thus structure, avoids sensor zero drift to the impact of measuring accuracy. It also avoid the impact being subject to reference precision change. Compared with prior art, measuring accuracy 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 restriction for the present invention; the technical scheme that protection scope of the present invention should be recorded with claim, the equivalent alternative comprising technology feature in the technical scheme of claim record is protection domain. Namely the equivalent replacement within the scope of this improves, also within protection scope of the present invention.