CN102319777B - Automatic flexibility compensating device of plate bending roll for ship - Google Patents

Automatic flexibility compensating device of plate bending roll for ship Download PDF

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Publication number
CN102319777B
CN102319777B CN 201110278360 CN201110278360A CN102319777B CN 102319777 B CN102319777 B CN 102319777B CN 201110278360 CN201110278360 CN 201110278360 CN 201110278360 A CN201110278360 A CN 201110278360A CN 102319777 B CN102319777 B CN 102319777B
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CN
China
Prior art keywords
displacement measurement
micro
roll
wedge
displacement
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CN 201110278360
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Chinese (zh)
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CN102319777A (en
Inventor
杨树田
王小建
常欣
钱建新
刘景硕
范殿明
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泰安华鲁锻压机床有限公司
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Priority to CN 201110278360 priority Critical patent/CN102319777B/en
Publication of CN102319777A publication Critical patent/CN102319777A/en
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Publication of CN102319777B publication Critical patent/CN102319777B/en

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Abstract

The invention discloses an automatic flexibility compensating device of a plate bending roll for a ship, which comprises a displacement measurement part, a displacement compensation part and a micro-control appliance system, wherein the displacement measurement part comprises a support saddle installed at one side of a bed body; a rigid beam is arranged on the support saddle; a displacement measurement sensor is arranged on the bed body below a lower supporting roll device, wherein a movable end of the displacement measurement sensor is placed on the upper plane of the rigid beam; the displacement compensation part comprises an upper supporting roll device mounted on an upper beam; the upper supporting roll device comprises an electric pushing rod device, a pushing rod, a pressing ring, a spring, inclined iron, a guiding plate, a supporting wheel device, a supporting wheel support saddle and a displacement compensation sensor; and the micro-control appliance system comprises an industrial personal computer, a touch screen and a PLC programmable controller. The flexibility automatic compensating device of the plate bending roll for the ship has the benefic effects of detecting the flexibility deformation of the stressed bed body immediately, transmitting the detection date to the micro-control appliance system, counting the integral deformation and required compensation amount of the bed body and the upper beam, and ordering to compensate, thus greatly improving the rolling quality and the rolling efficiency of the plate bending roll for the ship, saving energy, and reducing equipment consumption.

Description

A kind of autocompensation installation of plate-rolling machine for ship amount of deflection
Technical field
The present invention relates to a kind of stress metal machinery, specifically, relate to a kind of amount of deflection autocompensation installation of plate-rolling machine for ship.
Background technology
In shipbuilding industry, existing plate-rolling machine for ship is put the beams in place and the deflection deformation of lathe bed does not also have in real time feasible reliable detection means, can only lean on theoretical calculating to the deflection deformation of putting the beams in place and lathe bed produces, but the result who draws and actual compensation rate sometimes side differ greatly, this is because a kind of yield limit of steel plate is to fluctuate up and down within the specific limits, and the scene can't be measured the machining sheet yield limit one by one, causes result of calculation inaccurate; Next is by artificial experience, above-mentioned problem can occur equally.In practice, when rolling ship plate, upper beam and lathe bed length are longer, stressed larger, must produce than Large Deflection Deformation, if do not carry out real-Time Compensation, the linearity of sheet material machine-shaping is very unstable, forms easily cydariform, and rolls process time length, inefficiency.Based on above reason, though need a kind of veneer reeling machine amount of deflection detection and compensation arrangement.
Summary of the invention
In order to solve above-mentioned technical barrier, the autocompensation installation that the purpose of this invention is to provide the plate-rolling machine for ship amount of deflection of the automatic detection of a kind of online multiple spot and auto-compensation, in order to realize rolling the automatic fast detecting of lathe bed amount of deflection and the auto-compensation in the process, satisfy machining accuracy, enhance productivity.
The object of the present invention is achieved like this: a kind of autocompensation installation of plate-rolling machine for ship amount of deflection is characterized in that: formed by displacement measurement part, bit shift compensation part and micro-control electric system, wherein:
Displacement measurement partly comprises the bearing that is installed in lathe bed one side, and a buckstay is installed on the bearing; Lower bed at the lower backing roll device is equipped with displacement measurement sensor with it, and the movable end of displacement measurement sensor is seated in the upper plane of buckstay; Displacement measurement sensor is measured the lathe bed deflection deformation amount at lower backing roll device place and is passed the signal to the micro-control electric system;
Bit shift compensation partly comprises the upper backup roll device that is installed on the upper beam, and the upper backup roll device is comprised of electric pushrod device, pull bar, trim ring, spring, wedge, guide plate, riding wheel apparatus, support roller bearing and bit shift compensation sensor; Electric pushrod device, guide plate and bit shift compensation installation of sensors are on putting the beams in place, and the support roller bearing lifts on putting the beams in place by pull bar and trim ring, the spring that passes upper beam lower end steel plate, in the hole of support roller bearing riding wheel apparatus is installed, and riding wheel apparatus contacts with roll feeding device; The inclined-plane of support roller bearing cooperates with the wedge inclined-plane, and the lower plane of upper beam partly is close on the plane of wedge, and wedge is with cylindrical void or U-shaped opening, to avoid pull bar; The electric pushrod device is connected with wedge, and push-and-pull is moved wedge to adjust the high and low position of upper backup roll device; The movable end of bit shift compensation sensor is connected with wedge, and observing and controlling wedge displacement also passes the signal to the micro-control electric system;
The micro-control electric system comprises industrial computer, touch-screen and PLC Programmable Logic Controller; The deflection deformation amount signal of each lower backing roll device place lathe bed that gathers by displacement measurement sensor calculates through the micro-control electric system, draw the required stroke of electric pushrod device on each corresponding upper backup roll device, the bit shift compensation sensing data is set, the displacement of control electric pushrod device is adjusted to proper height with the upper backup roll device, with the deflection deformation of the lathe bed at compensation lower backing roll device place.
Purpose of the present invention can also realize like this: buckstay one end of displacement measurement part is fixedly connected with a bearing, and the other end is seated on another bearing.
Be with flutedly on the bearing of displacement measurement part, the buckstay two ends embed in the bearing groove, and wherein an end is fixedly connected with bearing by bolt.
Displacement measurement sensor is connected wire and connects micro-control electric system transmission displacement signal with the bit shift compensation sensor, or transmits displacement signal by wireless transmission method.
The invention has the beneficial effects as follows: detect by the deflection deformation after instant stressed to lathe bed, to detect data and be sent to the micro-control electric system, calculate bulk deformation and the required compensation rate of lathe bed and upper beam, and instruction compensates, greatly improve the manufacturing quality of plate-rolling machine for ship and rolled efficient, save the energy, reduced the loss of equipment.
Description of drawings
Fig. 1 is front view of the present invention;
Fig. 2 is the left view (broken section) of Fig. 1;
Fig. 3 is the front view of compensated part structure of the present invention;
Fig. 4 is the left view of Fig. 3;
Fig. 5 is that the lathe bed amount of deflection detects the contrast schematic diagram.
The specific embodiment
Number in the figure explanation: frame 1, put the beams in place 2, roll feeding device 3, lower roller arrangement 4, upper backup roll device 5, lower backing roll device 6, main drive 7, lathe bed 8, tie-beam 9, buckstay 10, displacement measurement sensor 11, bearing 12, bolt 13, oil cylinder 14, hinged-support 15, micro-control electric system 16, the displacement measurement sensor position line 17 when not stressed, the displacement measurement sensor position line 18 when stressed;
Upper backup roll device 5 comprises: electric pushrod device 5.1, pull bar 5.2, trim ring 5.3, spring 5.4, wedge 5.5, guide plate 5.6, riding wheel apparatus 5.7, support roller bearing 5.8, bit shift compensation sensor 5.9.
Shown in Fig. 1-2, the present invention includes: lower roller arrangement 4, lower backing roll device 6 are installed above the lathe bed 8, and lower roller arrangement 4 connects with the main drive 7 of installing at one end by shaft coupling.
Lathe bed 8 two ends are equipped with the column of frame 1; Frame 1 column lower end and lathe bed 8 are fastenedly connected, and the top is by tie-beam 9 stable connections; The top at frame 1 two ends is equipped with oil cylinder 14; The piston rod of oil cylinder 14 is connected with 2 two ends of putting the beams in place by hinged-support 15, and upper beam 2 can move up and down in frame 1;
The lower end of upper beam 2 is equipped with roll feeding device 3, upper backup roll device 5, and upper backup roll device 5 supports roll feeding device 3 above roll feeding device 3.
One side of lathe bed 8 is equipped with 6 cover displacement measurement sensors 11, and displacement measurement sensor 11 is below lower backing roll device 6; The top of the below of one side of lathe bed 8 welding two bearings 12 with groove, two bearings 12 embeds an end of a buckstay 10, buckstay 10 and is connected by bolt 13 with a bearing 12 wherein, and the other end lies on the groove of another bearing 12; The movable end of 6 cover displacement measurement sensors 11 all is placed on the upper plane of buckstay 10, and the amount of deflection of measuring at any time lathe bed 8 changes.
One end of lathe bed 8 is equipped with micro-control electric system 16, and the micro-control electric system is comprised of industrial computer, touch-screen and PLC Programmable Logic Controller, can carry out man-machine interaction, technology Calculation and process control.
As shown in Figure 3-4, upper backup roll device 5 is comprised of electric pushrod device 5.1, pull bar 5.2, trim ring 5.3, spring 5.4, wedge 5.5, guide plate 5.6, riding wheel apparatus 5.7, support roller bearing 5.8 and bit shift compensation sensor 5.9; Electric pushrod device 5.1, guide plate 5.6 and bit shift compensation sensor 5.9 are installed on the upper beam 2, support roller bearing 5.8 lifts on upper beam 2 by pull bar 5.2 and trim ring 5.3, the spring 5.4 that passes the 2 lower end steel plates of putting the beams in place, riding wheel apparatus 5.7 is installed in the hole of support roller bearing 5.8, and riding wheel apparatus 5.7 contacts with roll feeding device 3; The inclined-plane of support roller bearing 5.8 cooperates with wedge 5.5 inclined-planes, and the lower plane of upper beam 2 partly is close on the plane of wedge 5.5, and wedge 5.5 is with cylindrical void or ∪ type opening, to avoid pull bar 5.2; Electric pushrod device 5.1 is connected connection with wedge, push-and-pull is moved wedge 5.5 to adjust the high and low position of upper backup roll device 5; The movable end of bit shift compensation sensor 5.9 is connected with wedge 5.5, and observing and controlling wedge 5.5 displacements also pass the signal to micro-control electric system 16;
As shown in Figure 5, displacement measurement sensor 11 positions line 18 all had alternate position spike when 6 cover displacement measurement sensors, 11 positions line 17 were with stressed 6Q when not stressed, when lathe bed 8 stressed 6Q, lathe bed 8 distortion, and buckstay 10 1 ends are free end, can not be out of shape because of the distortion of lathe bed 8, thus 6 the cover displacement measurement sensors 11 can measure lathe bed 8 lower backing roll device 6 installation sites change in displacement Δ δ 1~6.
The micro-control electric system comprises industrial computer, touch-screen and PLC Programmable Logic Controller, when the lathe bed stress deformation, the displacement measurement sensor data change and are sent to the micro-control electric system, the relevant N group of micro-control electric system collection data Δ δ 1~n, by calculating, draw N electric pushrod desired data, S1~n=Z*F* (Δ δ 1~n* gradient ratio) is the required stroke of N cover electric pushrod.
F is a definite value for consider putting the beams in place and the coefficient of the deflection deformation of lathe bed for a plate-rolling machine for ship, tends to upper beam the moment of inertia I1 and lathe bed the moment of inertia I2 are designed to basically identical during design, and F=(I1+I2)/I2 mostly is greatly 1.8~2.2; Gradient is than the gradient ratio that is wedge, generally adopt 30: 1 comparatively suitable, Z is that correction factor is generally 0.95~1.05.
The course of work: ship plate to be processed is placed on the lower roll of lower roller arrangement 4, adjust ship plate on one side with the lower roll axial direction on the position that is fit to, oil cylinder 14 drives the 2 drive roll feeding devices 3 of putting the beams in place, upper backup roll device 5 is depressed, main drive 7 rotates by two lower rolls that shaft coupling drives in the lower roller arrangement 4, roll plate workpiece peculiar to vessel, in rolling process, roll feeding device 3, top roll in the lower roller arrangement 4, lower roll is stressed, and power passed to riding wheel apparatus 5.7 in the upper backup roll device 5, with lower backing roll device 6, be delivered to respectively again upper beam 2 and lathe bed 8, upper beam 2 and lathe bed 8 produce strains (not to be had in the balanced situation, the workpiece that rolls out is cydariform, middle radius is large, and the both sides radius is little); The 6 cover displacement measurement sensors 11 that are installed in lathe bed 8 sides detect the 6 deflection Δ δ of place 1~6 in lathe bed 8 positions that lower backing roll device 6 is installed, and pass to micro-control electric system 16 by wire, micro-control electric system 16 calculates respectively and sends respectively 6 groups of compensating instructions to 6 cover electric pushrod devices 5.1 according to six groups of Δ δ 1~6 data that gather, and promotes 6 groups of assigned addresses of wedge 5.5 motion arrival and stops (by 5.9 observing and controlling of 6 cover bit shift compensation sensors).Steel plate continues to roll, and the product that rolls out is the radius uniformity everywhere.

Claims (4)

1. the autocompensation installation of a plate-rolling machine for ship amount of deflection is characterized in that: formed by displacement measurement part, bit shift compensation part and micro-control electric system, wherein:
Displacement measurement partly comprises the bearing (12) that is installed in lathe bed (8) one sides, the upper buckstay (10) of installing of bearing (12); Below lathe bed (8) at lower backing roll device (6) is equipped with displacement measurement sensor (11), and the movable end of displacement measurement sensor (11) is seated in the upper plane of buckstay (10); Displacement measurement sensor (11) is measured lathe bed (8) the deflection deformation amount that lower backing roll device (6) locates and is passed the signal to micro-control electric system (16);
Bit shift compensation partly comprises the upper backup roll device (5) that is installed on the upper beam (2), and upper backup roll device (5) is comprised of electric pushrod device (5.1), pull bar (5.2), trim ring (5.3), spring (5.4), wedge (5.5), guide plate (5.6), riding wheel apparatus (5.7), support roller bearing (5.8) and bit shift compensation sensor (5.9); Electric pushrod device (5.1), guide plate (5.6) and bit shift compensation sensor (5.9) are installed on the upper beam (2), support roller bearing (5.8) lifts on put the beams in place (2) by pull bar (5.2) and trim ring (5.3), the spring (5.4) that passes upper beam (2) lower end steel plate, riding wheel apparatus (5.7) is installed in the hole of support roller bearing (5.8), and riding wheel apparatus (5.7) contacts with roll feeding device (3); The inclined-plane of support roller bearing (5.8) cooperates with wedge (5.5) inclined-plane, and the lower plane of upper beam (2) partly is close on the plane of wedge (5.5), and wedge (5.5) is with cylindrical void or U-shaped opening, to avoid pull bar (5.2); Electric pushrod device (5.1) is connected 5.5 with wedge) connect, push-and-pull is moved wedge (5.5) to adjust the high and low position of upper backup roll device (5); The movable end of bit shift compensation sensor (5.9) is connected with wedge (5.5), and observing and controlling wedge (5.5) displacement also passes the signal to micro-control electric system (16);
Micro-control electric system (16) comprises industrial computer, touch-screen and PLC Programmable Logic Controller; Locate the deflection deformation amount signal of lathe bed (8) through the calculating of micro-control electric system by each lower backing roll device (6) that displacement measurement sensor (11) gathers, draw the required stroke of electric pushrod device (5.1) on each corresponding upper backup roll device (5), bit shift compensation sensor (5.9) data are set, control electric pushrod device (5.1) displacement is adjusted to proper height with upper backup roll device (5), the deflection deformation of the lathe bed (8) of locating with compensation lower backing roll device (6).
2. the autocompensation installation of plate-rolling machine for ship amount of deflection according to claim 1 is characterized in that: buckstay (10) one ends of displacement measurement part are fixedly connected with a bearing (12), and the other end is seated on another bearing (12).
3. the autocompensation installation of plate-rolling machine for ship amount of deflection according to claim 1, it is characterized in that: be with fluted on the bearing (12) of displacement measurement part, buckstay (10) two ends embed in bearing (12) groove, and wherein an end is fixedly connected with bearing (12) by bolt (13).
4. the autocompensation installation of plate-rolling machine for ship amount of deflection according to claim 1, it is characterized in that: displacement measurement sensor (11) is connected 5.9 with the bit shift compensation sensor) connect micro-control electric system (16) transmission displacement signal by wire, or transmit displacement signal by wireless transmission method.
CN 201110278360 2011-09-20 2011-09-20 Automatic flexibility compensating device of plate bending roll for ship CN102319777B (en)

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JP5579877B2 (en) * 2011-02-09 2014-08-27 株式会社アマダ Bending machine
CN102632116B (en) * 2012-05-09 2015-04-15 泰安华鲁锻压机床有限公司 Anti-vibration carrier roller of upper roller of plate rolling machine for large-scale boat
CN105710171A (en) * 2014-12-04 2016-06-29 天津市津南区天祥金属结构制造有限公司 Guide device of curling forming device for thick steel plate
CN105537334B (en) * 2016-01-25 2017-05-31 上海理工大学 Argosy three rolls plate bending machine
CN106424234A (en) * 2016-09-07 2017-02-22 江苏力威剪折机床有限公司 Veneer reeling machine with bending function
CN106424238A (en) * 2016-09-07 2017-02-22 江苏力威剪折机床有限公司 Veneer reeling and bending integrated machine
CN106955912A (en) * 2017-04-28 2017-07-18 上海葛世工业自动化有限公司 Automatic degree of disturbing compensation device and bender
CN106890871B (en) * 2017-04-28 2019-01-11 山东嘉意机械有限公司 Stand stretch compensation device and bending machine
CN108568464A (en) * 2018-04-26 2018-09-25 南通超力卷板机制造有限公司 Automatically control the veneer reeling machine of edge rolling camber
CN110774072A (en) * 2019-10-16 2020-02-11 衡水华锘光电科技有限公司 Grind anchor clamps and straight tube inner wall arc grinds machine

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