CN101934318A - Roll forming processing method and production line for on-line punching - Google Patents
Roll forming processing method and production line for on-line punching Download PDFInfo
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- CN101934318A CN101934318A CN201010272320.4A CN201010272320A CN101934318A CN 101934318 A CN101934318 A CN 101934318A CN 201010272320 A CN201010272320 A CN 201010272320A CN 101934318 A CN101934318 A CN 101934318A
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Abstract
The invention relates to a roll forming processing method and a production line of online punching in the technical field of sheet material roll forming, wherein the method sequentially comprises the steps of discharging, leveling, punching, roll forming, cutting and blanking, and the punching step sequentially comprises the following sub-steps: firstly, detecting a real-time displacement signal of the linear motion of a sheet; driving the punching mechanism to move in an accelerated manner according to the displacement signal, and chasing the sheet material along the moving direction of the sheet material until the sheet material reaches a set punching position; then driving a punching mechanism to track the linear motion of the rolled plate and keeping the synchronous motion with the plate; in the process of keeping synchronous movement with the plate, the punching mechanism punches holes at a set position on the plate; the punching mechanism is returned to the initial position. The invention also provides a production line for realizing the method, and the servo motor controlled by the PLC drives the workbench to track the plate and then punch. The invention can improve the processing precision and speed of the plate, and can be used for forming and punching the plate with a fixed cross section.
Description
Technical field
The present invention relates to a kind of roll-forming processing method and equipment of plate, the roll-forming processing method and the equipment of the punching on plate of particularly a kind of need.
Background technology
In the prior art, a kind of roll-forming production line is arranged, it mainly includes discharging frame, feeding smoothing mechanism, roller pressing forming machine, shearing device and the doffer that sets gradually, during its work, the roll bending plate is packed on the discharging frame, the smoothing of smoothing mechanism is sent in the plate termination, plate enters the roller pressing forming machine moulding successively then, moulding is after the shearing device cut-out, drop on again on the doffer, when the plate of these moulding carries out punching processing, need on the equipment of punching or boring, to process in addition, because plate is out of shape, and brings certain difficulty to punching processing; Because plate was continuous before cutting off, plate shaping adds man-hour, and its direction of motion is level, and punching processing is perpendicular to Sheet Metal Processing, and both motions are to interfere mutually, therefore, can not realize synchronous on-line machining; Some on-line machining equipment are also arranged in the prior art, but its work is step, for example, adds man-hour in horizontal movement, pausing a period of time in the gap, carries out the processing of vertical direction, and then carry out the motion of horizontal direction; Its weak point is: this processing mode speed is slow, and pause is arranged, and braking is frequent, the energy consumption height.There is not a kind of equipment in the plate horizontal movement, to carry out the synchronous punching processing of vertical direction at present.
Summary of the invention
The present invention is directed to the slow defective of prior art process velocity, a kind of roll-forming processing method of online punching is provided and utilizes the production line of this method roll-forming, make it can improve process velocity, can realize high accuracy processing simultaneously.
For solving the problems of the technologies described above, the roll-forming processing method of online punching of the present invention comprises blowing, smoothing, punching, roll-forming, cut-out and blanking step successively, and described punching steps in sequence is made of step by step following:
1) detects the straight-line real-time displacement signal of plate;
2) drive punch mechanism accelerated motion according to the real-time displacement signal,, catch up with plate, until arriving the punching position of setting along the direction of motion of plate;
3) drive the rectilinear motion that punch mechanism is followed the tracks of roll bending, keep being synchronized with the movement with plate;
4) in keeping the process that is synchronized with the movement with plate, the desired location stamping-out of punch mechanism on plate portals;
5) punch mechanism is return initial position.
The present invention also provides a kind of roll-forming production line that utilizes said method to realize online punching, this production line comprises the discharging frame that sets gradually, feeding smoothing mechanism, hole punched device, roller pressing forming machine, shearing device and doffer, described hole punched device comprises frame, the length direction of frame upper edge production line is provided with two guide rails that are parallel to each other, be equipped with slide block on the guide rail, slide block is fixed on the bottom surface of workbench, workbench is provided with die shoe, the workbench side is connected with the ball-screw that drives through servomotor, the feed screw nut of ball-screw is fixed on the workbench downside, and the leading screw two ends of ball-screw are installed in rotation on the frame; Workbench top is rectangular to be distributed with four guide pillars, slidely connect upper bolster between four guide pillars, the top of described four guide pillars is fixedly connected with upper holder, the upper holder center fixation has oil cylinder, the piston rod of oil cylinder passes upper holder and stretches out downwards, and the external part of piston rod is fixedlyed connected with upper bolster; This device also includes the encoder of the plate real-time displacement signal that detection processes, the signal output part of encoder connects PLC, PLC one road two-way signaling via controller is connected to servomotor, another road output control signal is connected to the magnetic valve that drives the oil cylinder piston action, the left side that is positioned at workbench is provided with the left side travel switch that is used to control the servomotor commutation, the right side that is positioned at workbench is provided with the right side travel switch that the control servomotor stops, and the signal of right side travel switch and left side travel switch is connected to the signal input part of PLC respectively.
The present invention is by the moving working table movement of servomotor, plate in the rectilinear motion is positioned, follows the tracks of, in being synchronized with the movement, carry out punching processing, avoided perpendicular to the interference between punching processing on the sheet feed direction and the plate horizontal movement, its beneficial effect is to improve the punching precision and the process velocity of plate, this device is mainly used in the section bar processing of constant cross-section, for example, produces the guardrail of highway both sides.
For guaranteeing that the plate after the smoothing stably passes the workbench top, so that stamping-out goes out high-precision hole, described workbench right side and left side are respectively equipped with the horizontally-guided roller set, and the right side of the horizontally-guided roller set on right side also is provided with anti-deviation roller set.The horizontally-guided roller set plays stabilization, avoids beating in the plate motion, and anti-deviation roller set can be located plate from fore-and-aft direction, avoids sideslip.
For guaranteeing that motion is smooth and easy between upper bolster and the guide pillar, be connected with linear bearing through sliding sleeve between described guide pillar and the upper bolster, sliding sleeve is fixed on the upper bolster, and linear bearing is equipped with between upper bolster and guide pillar.
For guaranteeing that encoder can offer PLC real-time displacement signal exactly, described encoder is arranged on the right upper portion of roller pressing forming machine.It near described workbench setting, can reduce accumulated error as far as possible, simultaneously, and the workbench interference that can avoid and move.
For avoiding bump, simultaneously, for the braking of workbench provides safety guarantee, the two ends, the left and right sides of described guide rail are respectively equipped with buffer.
For guaranteeing to be synchronized with the movement, improve control accuracy, be in transmission connection through synchronous pulley and synchronous band between described servomotor and the leading screw.
Collect the waste material under the stamping-out for convenience, the corresponding waste material dolly that is provided with of the punching position of setting on the described frame.
Description of drawings
Fig. 1 is the structural representation of the roll-forming production line of the online punching of the present invention;
Fig. 2 is the structural representation of hole punched device among Fig. 1;
Fig. 3 is the vertical view of Fig. 2;
Fig. 4 is the left view of Fig. 2;
Fig. 5 is the electrical schematic diagram of the roll-forming production line of the online punching of the present invention;
Fig. 6 is the logic chart of the roll-forming processing method of the online punching of the present invention.
Wherein, 1 discharging frame, 2 feedings smoothing mechanism, 3 hole punched devices, 4 encoders, 5 roller pressing forming machines, 6 shearing devices, 7 doffers, 8 plates, 9,26 buffers, 10 guide rails, 11 slide blocks, 12,19 horizontally-guided roller set, 13 die shoes, 14 guide pillars, 15 upper bolsters, 16 piston rods, 17 upper holders, 18 oil cylinders, 20 anti-deviation roller set, 21 workbench, 22 synchronous pulleys, 23 feeler levers, 24,25 travel switch framves, 27 servomotors, 28 are with 29 leading screws synchronously, 30 leading screw seats, 31 frames, 32 feed screw nuts, 33 linear bearings, 34 sliding sleeves, 35 waste material dollies.
The specific embodiment
The invention will be further described below in conjunction with specific embodiment
The roll-forming processing method of online punching, comprise blowing, smoothing, punching, roll-forming, cut-out and blanking step successively, in the above-mentioned steps, blowing, smoothing, roll-forming, cut-out and blanking step all can be identical with the working method of plate roll-forming in the prior art, different be the punching step, this punching steps in sequence is made of step by step following:
1) detects the straight-line real-time displacement signal of plate;
2) drive punch mechanism accelerated motion according to the real-time displacement signal,, catch up with plate, until arriving the punching position of setting along the direction of motion of plate;
3) drive the rectilinear motion that punch mechanism is followed the tracks of roll bending, keep being synchronized with the movement with plate;
4) in keeping the process that is synchronized with the movement with plate, the desired location stamping-out of punch mechanism on plate portals;
5) punch mechanism is return initial position.
For realizing said method, the invention provides a kind of technical scheme of roll-forming production line of online punching, specifically as shown in the figure shown in the 1-6, this production line is made up of the discharging frame 1 that sets gradually, feeding smoothing mechanism 2, hole punched device 3, roller pressing forming machine 5, shearing device 6 and doffer 7, hole punched device 3 comprises frame 31, the length direction of frame 31 upper edge production lines is provided with two guide rails that are parallel to each other 10, and the two ends, the left and right sides of guide rail 10 are respectively equipped with buffer 9,26; Be equipped with slide block 11 on the guide rail 10, slide block 11 is fixed on the bottom surface of workbench 21, workbench 21 is provided with die shoe 13, and workbench 21 sides are connected with the ball-screw that drives through servomotor 27, and ball-screw is made up of leading screw 29, feed screw nut 32 and leading screw seat 30; Through synchronous pulley 22 be with 28 to be in transmission connection synchronously, feed screw nut 32 is fixed on workbench 21 downsides between the leading screw 29 of servomotor 27 and ball-screw, and leading screw 29 two ends are installed in rotation in the leading screw seat 30, and leading screw seat 30 is fixed on the frame 31; Workbench 21 tops are rectangular to be distributed with four guide pillars 14, slidely connect upper bolster 15 between four guide pillars 14, be connected with linear bearing 33 through sliding sleeve 34 between guide pillar 14 and the upper bolster 15, sliding sleeve 34 is fixed on the upper bolster 15, and linear bearing 33 is equipped with between upper bolster 15 and guide pillar 14; The top of four guide pillars 14 is fixedly connected with upper holder 17, and upper holder 17 center fixation have oil cylinder 18, and the piston rod 16 of oil cylinder 18 passes upper holder 17 and stretches out downwards, and the external part of piston rod 16 is fixedlyed connected with upper bolster 15; Workbench 21 right sides and left side are respectively equipped with horizontally-guided roller set 12,19, and the right side of the horizontally-guided roller set 19 on right side also is provided with anti-deviation roller set 20; On the frame with the corresponding waste material dolly of setting 35 that is provided with of punching position.This device also includes the encoder 4 of the plate real-time displacement signal that detection processes, encoder 4 is arranged on the right upper portion of roller pressing forming machine 5, the roller of this encoder 4 abuts on the plate 8, during plate 8 motions, roller rotates, encoder 4 draws the real-time displacement signal of plate according to amount of spin and time quantum, the signal output part of encoder 4 connects PLC, PLC one road two-way signaling via controller is connected to servomotor 27, another road output control signal is connected to the magnetic valve that drives the oil cylinder piston action, the left side that is positioned at workbench 21 is provided with the left side travel switch that is used to control the servomotor commutation, the right side that is positioned at workbench 21 is provided with the right side travel switch that the control servomotor stops, the signal of right side travel switch and left side travel switch is connected to the signal input part of PLC respectively, left side travel switch and right side travel switch are installed in travel switch frame 24 respectively, on 25, the workbench side is provided with feeler lever 23, when workbench drove feeler lever 23 side-to-side movements, feeler lever 23 can trigger left side travel switch and the action of right side travel switch.
During its work, as shown in Figure 7, the roll bending plate at first is installed on the discharging frame 1, the termination of plate 8 can be extracted out, send into 2 smoothings of feeding smoothing mechanism, carry out punching through hole punched device then, enter roller pressing forming machine 5 roll-formings again, roller pressing forming machine 5 is provided with the roller of many group couplings, plate 8 passes through between the roller, plate can be rolled into the identical shape of continuous section, section configuration can be shapes such as waveform, arc, broken line shape, advanced then shearing device 6 by the length of demand with its cut-out and fall in the doffer 7.When carrying out punching processing, the position of punching can be set by PLC, when plate 8 process roller pressing forming machines 5, encoder 4 detects the real-time displacement signal of plate 8, this signal includes displacement and time quantum, can obtain the speed of service of plate 8 like this, follow the tracks of plate 8 so that order about workbench 21, PLC compares signal and the setting signal that obtains, and send control signal in the specific time, via controller passes to servomotor 27, order about servomotor 27 and drive workbench 21 accelerated motions to the position that needs punching, signal transmission between servomotor 27 and the PLC is two-way, real-time turn signal can be fed back to PLC, PLC compares feedback signal and controlled quentity controlled variable again, adjust the rotating speed of servomotor 27, the straight-line speed of worker's slide unit is equated with plate 8 movement velocitys, to guarantee the punching position relative fixed, following the tracks of in the process of plate 8 synchronously, solenoid control oil cylinder 18 actions of oil cylinder 18, piston rod is descending, the patrix that promotes installation on the upper bolster 15 is descending, counterdie matched moulds on the upper die and lower die seat 13 is determined the hole in plate 8 upper punches, and these holes can be used to the workpiece after the location and installation moulding; After stamping-out is finished, the magnetic valve commutation makes oil cylinder 18 piston resets, and workbench 21 continues motion, until left side stroke switch motion, workbench 21 brakes, servomotor 27 is backward rotation again, orders about workbench 21 and returns, after feeler lever touches the right side travel switch, servomotor 27 stops, and workbench 21 is got back to its initial position, for punching is next time got ready.When workbench 21 moved to the extreme position at guide rail 10 two ends, touching buffer 9,26 can help its brake, because plate 8 punchings are on-line machining, do not influence plate 8 speeds of service, punching position is relative fixed also, therefore, its machining accuracy height, speed are fast, have greatly improved production efficiency.
The present invention is not limited to the foregoing description, as those skilled in the art, can make some distortion and alternative on the basis of technique scheme, and these distortion and alternative technical scheme also all fall within the scope of protection of the present invention.
Claims (8)
1. the roll-forming processing method of online punching, it is characterized in that: comprise blowing, smoothing, punching, roll-forming, cut-out and blanking step successively, described punching steps in sequence is made of step by step following:
1) detects the straight-line real-time displacement signal of plate;
2) drive punch mechanism accelerated motion according to the real-time displacement signal,, catch up with plate, until arriving the punching position of setting along the direction of motion of plate;
3) drive the rectilinear motion that punch mechanism is followed the tracks of roll bending, keep being synchronized with the movement with plate;
4) in keeping the process that is synchronized with the movement with plate, the desired location stamping-out of punch mechanism on plate portals;
5) punch mechanism is return initial position.
2. the roll-forming production line of an online punching, it is characterized in that: comprise the discharging frame that sets gradually, feeding smoothing mechanism, hole punched device, roller pressing forming machine, shearing device and doffer, described hole punched device comprises frame, the length direction of frame upper edge production line is provided with two guide rails that are parallel to each other, be equipped with slide block on the guide rail, slide block is fixed on the bottom surface of workbench, workbench is provided with die shoe, the workbench side is connected with the ball-screw that drives through servomotor, the feed screw nut of ball-screw is fixed on the workbench downside, and the leading screw two ends of ball-screw are installed in rotation on the frame; Workbench top is rectangular to be distributed with four guide pillars, slidely connect upper bolster between four guide pillars, the top of described four guide pillars is fixedly connected with upper holder, the upper holder center fixation has oil cylinder, the piston rod of oil cylinder passes upper holder and stretches out downwards, and the external part of piston rod is fixedlyed connected with upper bolster; This device also includes the encoder of the plate real-time displacement signal that detection processes, the signal output part of encoder connects PLC, PLC one road two-way signaling via controller is connected to servomotor, another road output control signal is connected to the magnetic valve that drives the oil cylinder piston action, the left side that is positioned at workbench is provided with the left side travel switch that is used to control the servomotor commutation, the right side that is positioned at workbench is provided with the right side travel switch that the control servomotor stops, and the signal of right side travel switch and left side travel switch is connected to the signal input part of PLC respectively.
3. the roll-forming production line of online punching according to claim 2, it is characterized in that: described workbench right side and left side are respectively equipped with the horizontally-guided roller set, and the right side of the horizontally-guided roller set on right side also is provided with anti-deviation roller set.
4. according to the roll-forming production line of claim 2 or 3 described online punchings, it is characterized in that: be connected with linear bearing through sliding sleeve between described guide pillar and the upper bolster, sliding sleeve is fixed on the upper bolster, and linear bearing is equipped with between upper bolster and guide pillar.
5. according to the roll-forming production line of claim 2 or 3 described online punchings, it is characterized in that: described encoder is arranged on the right upper portion of roller pressing forming machine.
6. according to the roll-forming production line of claim 2 or 3 described online punchings, it is characterized in that: the two ends, the left and right sides of described guide rail are respectively equipped with buffer.
7. according to the roll-forming production line of claim 2 or 3 described online punchings, it is characterized in that: be in transmission connection through synchronous pulley and synchronous band between described servomotor and the leading screw.
8. according to the roll-forming production line of claim 2 or 3 described online punchings, it is characterized in that: the corresponding waste material dolly that is provided with of the punching position of setting on the described frame.
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| CN2010102723204A CN101934318B (en) | 2010-09-03 | 2010-09-03 | Roll forming production line for on-line punching |
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| CN2010102723204A CN101934318B (en) | 2010-09-03 | 2010-09-03 | Roll forming production line for on-line punching |
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