CN205949548U - Seven roller straightening machines of zirconium titanium niobium alloy pipe rod high accuracy - Google Patents

Abstract

The utility model discloses a seven roller straightening machines of zirconium titanium niobium alloy pipe rod high accuracy, it includes straightening host and electric control system, straightening host is last to be equipped with half leveling roller in three groups, become 2221 and arrange, the 1#, 2#, 3#, the 4# lower roll that be 1#, 2#, the last roller of 3# promptly and correspond, the three roller of going up is the leveling roller that can reciprocate, the 2# lower roll be can the rebound the leveling roller, the 4# lower roll is the leveling roller that can reciprocate, electric control system is become and each some coordinated operation by PLC, man -machine interface, converter, all kinds of sensor group. The utility model discloses aligning precision <= 0.3mmm, aligning speed has realized that 0~30mmin is electrodeless adjustable.

Description

Zirconium titanium-niobium alloy bar high accuracy seven roller straighteners

Technical field

This utility model belongs to mechanical field, is related to a kind of rare metal alloy bar high-accuracy straightening machine, especially suitable Share in the high-accuracy straightening machine of zirconium titanium-niobium alloy material behavior.

Background technology

Rare metal and its alloy material are in getting over that the industrial circles such as space flight and aviation, telecommunications, nuclear power generation are applied at present Come more extensive, the linearity to its bar（Flexibility）Put forward higher requirement, particularly will to high-quality alloy material Linearity is asked to reach below 0.3mm/m.The tube straightener for pipe of prior art, can make alloy pipe reach linearity both at home and abroad ≤ 0.3mm/m, but this kind of straightener to Large Diameter Pipeline, the high hardness alloy of thick tube wall inapplicable, particularly to being straightened pipe Footpath is Φ 16～65mm, wall thickness is 1～12mm, or diameter of rod is that the alloys such as the zirconium of Φ 18～Φ 30mm, titanium, niobium are uncomfortable With.

Utility model content

For above-mentioned technical problem, the purpose of this utility model there is provided one kind and is applied to Large Diameter Pipeline thickness tube wall Zirconium titanium-niobium alloy bar high accuracy seven roller straighteners.

For achieving the above object, this utility model adopts the following technical scheme that, this utility model includes aligning main frame and electricity Gas control system, its structural feature is：Described aligning main frame is provided with three and half smoothing rolls, becomes 2221 to arrange, as 1#, 2#, 3# upper roller and corresponding 1#, 2#, 3#, 4# lower roll, three upper rollers are the smoothing roll that can move up and down, and 2# lower roll is permissible The smoothing roll moving up, 4# lower roll is the smoothing roll that can move up and down；Described electric control system is by PLC, man-machine boundary Face, converter, various kinds of sensors composition each several part coordinated operation.

Preferably, the stroke that moves up and down of three upper rollers is 120mm, and the shift motion of 2# lower roll for shift motion is The stroke that moves up and down of 20mm, 4# lower roll is ± 20mm.

Preferably, 1# upper roller, 2# lower roll, 3# upper roller are respectively provided with pressure transducer, real-time monitoring straightening force, and pass through aobvious Show that instrument continuously shows.

Preferably, sensor model number is CMGD-200KN, and display instrument is DP25B-S, sensor accuracy≤0.05%.

Preferably, the structure of seven smoothing rolls is identical, by roller seat, smoothing roll, roller bearing, support ring composition, roller seat Bottom is collar plate shape, and there is a seam its bottom, is connected on pallet by bolt.

Preferably, smoothing roll is drive roll, aligns speed：0～30m/min（Stepless speed regulation）.

This utility model beneficial effect：

Of the present utility model rational in infrastructure compact, can achieve three kinds of modes of operation, that is, manual mode, semiautomatic fashion and from Flowing mode, flattening precision≤0.3mm/m, align velocity interpolation 0～30m/min electrodeless adjustable.

Brief description

Fig. 1 is the structural representation that this utility model aligns main frame；

Wherein, 1- aligning machine host, 2- smoothing roll, 2a1-1# upper roller, 2a2-2# upper roller, 2a3-3# upper roller, under 2b1-1# Roller, 2b2-2# lower roll, 2b3-3# lower roll, 2b4-4# lower roll.

Specific embodiment

Below in conjunction with the accompanying drawings this utility model is done with further structure description：

As shown in figure 1, this utility model is mainly by feeding device, aligning machine host 1, drawing mechanism, hydraulic system, lubrication System, pneumatic system, electric control system etc. form,

Described feeding device is mainly by feeding skid, group stock stop, C-shaped protection ring and feeding roller table, inlet guide group Become, equipment feedstock direction enters the right side for a left side and goes out.All in feeding device all it is lined with nonmetallic protection materials with product into contact surface （The halogens such as not fluorine-containing, chlorine）.

Feeding skid is used to bear the bundled raw material that overhead traveling crane hangs, artificial bulk cargo, so that supplied materials is queued up on feeding skid. By supporting region（Storing area）With sub-material area two parts composition.Feeding skid structure is welding structural element, and maximum load-carrying capacity 7T connects Material some slope of platform is 3 °.Feeding skid effective width：1500mm.

Dial stock stop and be mounted in feeding skid end, be mainly made up of two parts, one is material blocking rod, another is to dial Material hook, material blocking rod blocks supplied materials, so that supplied materials is queued up on oblique grid section, in order to Kick-out hook material toggling；Material blocking rod collective is adjustable, and sets There is specification adjustment scale display function, being easy to adjustment when changing specification it can be ensured that pushing on feeding roller table by single material every time, The action of Kick-out hook completes under cylinder drive, realizes every action and once single material can be pushed feeding roller table.

Feeding roller table is made up of one group of drive roll, and roll surface is in " V " type, is arranged on crossbeam, is made by cylinder drivening rod Material is sent into straightener when roller-way rises, after material nips, roller-way declines at once by roller-lifting, in case tubing whipping.Roller Rotate and be driven by frequency conversion motor, sprocket wheel chain, roller bag polyurethane is processed.

C-shaped protection ring is provided between feeding roller table, is to prevent tubing from pounding roller-way and protection by strong material, material toggling When feeding roller table drop to below c-type protection ring, tubing along allocation mechanism driving lever be rolled into c-type protect ring on；In C-shaped protection ring Stud with protective polyurethane layer.

Inlet guide is located at straightener inlet, and inlet guide is horn mouth formula, inside studs with nylon overcoat, has both been easy to manage Bar smoothly nips, and avoids bar to be scratched again；Inlet guide is provided with damping, buffering function.

Described aligning machine host mainly by frame, main transmission, roller system, screwdown gear, pressuring upper device, reclining apparatus and Aid etc. forms, and has before frameEntranceGuide pin bushing, after have an outlet guide pin bushing, frame intermediate arrangement three and half smoothing rolls, every group Smoothing roll quantity is 2, becomes 2221 arrangements.

The prestressed stand that frame is made up of entablature, sill, column, entablature, sill adopt weldment, lead to Cross one group of column and upright post sleeve to connect, three upper straightening rolls and its screwdown gears, be arranged on entablature, four lower smoothing rolls and Its pressuring upper device, it is arranged on sill, instruction device is separately mounted on entablature and sill, entablature, sill dress Timing adopts hydraulic nut opposition column system to apply pretightning force, after hydraulic nut pressure release, makes column produce pre-tensile stress, supporting Set produces compressive pre-stress, and exists always so as to constitute prestressed stand with lower and upper cross-member.

Main transmission divide about two parts, its composition is identical, by mair motor, hard-tooth surface speed reducer, gear distribution box And universal-joint spindle composition.Two direct current generators drive left and right reduction box respectively, are driven upper and lower roll respectively by SWC universal-joint spindle Rotate, stepless speed regulation.It is respectively arranged with speed measuring coder, thus speed is same when ensureing that left and right two main transmission is unloaded on two mair motor Step, during load, moment is synchronous.The gear of gear distribution box adopts Hardened gear face gear-grinding process, and mair motor can accident reversion；

Mair motor is in order to measurement motor rotating speed on dc motor equipped with rotary encoder, controls it by control system Speed error cannot be greater than 1 ‰, thus ensureing that drive system is synchronous.Mair motor model：Z4-180-41 50KW 400V 1350rpm；

Hard-tooth surface speed reducer is mainly and reduces rotating speed increase moment of torsion effect, and two hard-tooth surface speed reducer gear ratios are equal, firmly Tooth surface speed reducer gear adopts high-strength material manufacture it is ensured that ruggedness, speed ratio about 17；

Moment of torsion is mainly uniformly passed to each replaceable straightening roller system by gear distribution box respectively, and gear distribution box gear adopts High-strength material manufactures it is ensured that ruggedness, gear material 40CrMo；

Universal-joint spindle adopts high-strength material to make, and in adjustment, scalable position ensures flexibility and reliability, must not there is card Resistance phenomenon；

Roller system refers to three and half smoothing rolls, respectively under 1# upper roller 2a1,2# upper roller 2a2,3# upper roller 2a3 and corresponding 1# Roller 2b1,2# lower roll 2b2,3# lower roll 2b3,4# lower roll 2b4, three upper rollers are the smoothing roll that can move up and down, and move up and down row Journey is 120mm, and 2# lower roll 2b2 is the smoothing roll that can move up, and shift motion is 20mm, and 4# lower roll 2b4 is can be upper and lower The smoothing roll of movement, moving up and down stroke is ± 20mm；Smoothing roll is drive roll, aligns speed：0～30m/min（Stepless-adjustment Speed）, smoothing roll Curve Design considers the particular/special requirement of aligning zircaloy material it is ensured that simple bending when zircaloy material is aligned is aligned.

The structure of seven smoothing rolls is essentially identical, is all made up of roller seat, smoothing roll, roller bearing, support ring etc..Roller seat Bottom is collar plate shape, and there is a seam its bottom, is connected on pallet by bolt.

Front 3 pairs of smoothing rolls are respectively provided with pressure transducer simultaneously, and installation site is：1# upper roller 2a1,3# upper roller 2a3, under 2# Roller 2b2, real-time monitoring straightening force size, display instrument is arranged on operating board panel.

Sensor model number：CMGD-200KN；Display instrument：DP25B-S；Sensor accuracy≤0.05%.

The bearing of aligning machine host 1 adopts Ha Waluo, to ensure equipment precision and reliability requirement.

Smoothing roll material：9Cr2Mo；Roll surface hardness：HRC 58～62

Quench-hardened case thickness：8～12 mm；Angle modulation scope：30°±5°

The down screw rod of screwdown gear is disposed vertically, and its top is connected with motor reducer, and bottom is connected with screw box, Pressure leading screw is driven by reducing motor, lowers in lifting entablature, sill, rotating disk and upper roller thus being driven screw box and driving Whole, complete pressure action, pressure adopts servo motor transmission, upper roller depressing position adjust automatically, whole digital display, is also equipped with simultaneously Machinery display, to check.Two extreme positions that smoothing roll moves up and down, equipped with proximity switch, play extreme position protection.

The pressure process of three upper rollers completes under non-straightened state.

Gap values between rollers are calculated by coder transitions and automatically show on operating table surface display.

Screwdown driving employs the ball screw with pretightning force it is ensured that gapless driving is it is ensured that precision reaches 0.01mm, The position quantity that smoothing roll moves up and down is shown that by man machine interface motor is pressed it is also possible to directly input drafts in man machine interface Complete according to specified amount.Can also adjust manually, the value adjusting manually also can show in man machine interface, operation adopts handss simultaneously Move and automatic two ways, setting switching switch on operating board.

In pressuring upper device, 2# lower roll 2b2 and 4# lower roll 2b4 can press regulation, and operation adopts manually and automatically two ways, 2# roller 2b2 adjusts up and down and is used to change recurvation amount, and 4# roller 2b4 adjusts up and down and is to ensure that discharging is steady.Pressuring upper device is by servo The part such as motor, decelerator, shaft coupling, bevel gear forms.When motor passes through the rotation of decelerator band dynamic pressure upper screw rod, due to pressure Upper screw rod is axially immovable, so that nut drives pallet to move up and down in sill.The roller seat of smoothing roll is arranged on support On disk, so smoothing roll also moves up and down therewith, complete to press action.Pressure up stroke（I.e. recurvation amount）By encoder, electricity ginseng Number conversion Calculation shows on operating table surface display automatically, is also equipped with machinery display, to check simultaneously.2# and 4# roller simultaneously Two extreme positions moving up and down, equipped with proximity switch, play extreme position protection.

In pressure, transmission employs the ball screw with pretightning force it is ensured that gapless driving is it is ensured that precision reaches 0.01mm, The position quantity that smoothing roll moves up and down is shown that by man machine interface motor is pressed it is also possible to directly input drafts in man machine interface Complete according to specified amount.Two extreme positions that pressure smoothing roll moves up and down are equipped with detection switch.Can also adjust manually simultaneously, The value adjusting manually also can show in man machine interface, and operation, using manually and automatically two ways, is arranged on operating board Switching switch.

In reclining apparatus first three to roller angle adjustment adopt automated manner, the roller seat anglec of rotation of each smoothing roll Fixed by two push rods, one of push rod, by Motor drive, makes push rod axially move by adjusting nut, guide pin bushing, drive Smoothing roll pallet rotates, so that smoothing roll rotation.And another push rod, by hydraulic oil cylinder driving, not only eliminates between adjustment system Gap, also makes smoothing roll pin motionless.For easy to adjust, the existing rule of its angular values shows, and realizes number on operating board Word shows, angle adjustment scope is 30 ° ± 5 °.

Tail roller angle adjustment adopts manual mode, and angular values only have rule to show.

When adjustment angle, the push rod on both sides holds out against and unclamps, and drives smoothing roll rotation, required when being adjusted to During angle, pallet is held out against by both sides push rod simultaneously, and angle modulation work completes.

All the angle of smoothing roll individually adjusts, and its adjustment process completes under non-straightened state.The angle of smoothing roll Angle value is calculated by coder transitions and automatically shows on operating table surface touch screen.

Entrance guide pin bushing and outlet guide set are assemblied on entrance guide pin bushing support and outlet guide pin bushing support, entrance guide pin bushing and outlet guide Cover the part made for polyurethane, the position of entrance guide pin bushing and outlet guide pin bushing can adjust up and down, is conducive to guide pin bushing centering.

Described drawing mechanism is made up of runout table, rewinding stand etc., all surfaces with product into contact in drawing mechanism All it is lined with nonmetallic protection materials（The halogens such as not fluorine-containing, chlorine）.Runout table is made up of one group of drive roll, each roller by Motor reducer is operated alone, roller be hyperbola roller, speed with aligning main frame speeds match, protection pipe Surface of Rod Bar.Aligning When roller-way support bar out, when material is sent at the baffle plate of termination, by one group of shift fork by expect transfer to, be rolled into receipts along inclined-plane On material stand.Rewinding stand is made up of one group of gradient stand of band, for accepting the bar after aligning.On stand inclined-plane Stud with PE plate.Rewinding stand effective width：1500mm.

Described electric control system is mainly by industrial field bus（PROFIBUS DP net）And Network connecting member, operation Member station (HMI), Programmable Logic Controller（PLC）And Siemens 6RA80 series digital DC speed regulator control system composition.

Operator station：As human interface devices, mainly realize man-machine interface (HMI) function of automation control system.

Programmable controller（PLC）：Using Siemens S7-300 Series Programmable product, use To complete straightening machine body；S7-300 forms PROFIBUS net with Siemens 6RA80 series digital DC speed regulator, carries out Network communication.

PROFIBUS net：The remote I/O station of PLC adopts ET200M.ET200M is on PROFIBUS-DP fieldbus Slave station, the peak transfer rate of PROFIBUS-DP is 12Mbps.By PROFIBUS network by S7-300 and digital power train System, remote I/O are connected as a single entity, and realize the communication of data, the cable distribution can reduce fault rate, maintaining easily, reduce scene, Be conducive to shortening the in-site installation cycle.

Man machine interface is located at straightener master operating station, the setting for the processing parameter to unit for the operator and setting Standby control and monitoring.Major function includes：The Dynamic Announce of the setting of technological parameter, each equipment state and electric parameter, therefore Barrier warning and record etc..Operator station is also used for substituting a large amount of display instruments on operating board and toggle switch and some are inessential Button switch etc., make the operation of straightener not only directly perceived but also easy.

Monitoring software uses the WinCCflexible of Siemens Company, and it has data acquisition, supervision and control Power, is the operation monitoring system based on personal computer.Its distinguishing feature is exactly all-round opening, and it is easy to reference to mark Accurate and user program sets up man machine interface, accurately meets produce reality and requires to produce it is ensured that safely and reliably controlling Journey.WinCCflexible may also provide the operation of mature and reliable and efficient configuration performance, has the energy that flexibly stretches simultaneously Power.

HMI major function：Aligning owner's monitored picture, straightener processing parameter setting screen, straightener mainly set Standby and technological parameter display picture, Site Detection components and parts status screen, unit each device failure alert display picture, unit master Want equipment running monitoring picture, set speed adjustment plant running monitored picture.

PLC system is made up of a main website and two remote I/O stations, arranges necessary interlocking, complete equipment in software Logical sum technology controlling and process.

Main frame drive system is made up of Liang Tai Siemens 6RA80 Series Frequency Converter.Two table apparatus pass through DP communication board and PLC Communication, when main frame is unloaded, device speed sync；During main frame aligning, device moment is synchronous；

Feeding roller table and runout table are driven by Siemens's MM440 Series Frequency Converter respectively, in process of production, with The synchronization of unit speed realized together by main frame；

Instrumentation element in equipment has several as follows：One is that feeding skid has material detection：After this switch has signal, Setting gauge could start otherwise not material toggling under automated manner；Two is to press upper, press down motor position limitation protection：1# upper roller 2a1,2# Upper roller 2a2,3# upper roller 2a3,2# lower roll 2b2,4# lower roll 2b4 moves up and down equipped with connecing, and nearly switch detects, plays extreme position Protection；Three is main frame discharging detection：After this switch has signal, main frame switchs to speed controlling by Torque Control, in order to next Root blank nips；Four it is main frame pressure, driven by 5 servomotors respectively in pressure, from Delta servo controller and PLC control The upper drafts of its pressure, simultaneously by data feedback to host computer picture；Angular adjustment apparatus are respectively mounted 6 incremental encoders, Through PLC computing, actual corners angle value is fed back in man machine interface.

Described hydraulic system is made up of fuel tank, main pump device, energy storage equipment and control valve platform etc., for realizing smoothing roll certainly Dynamic angle modulation；Ensure that fuel tank normally uses under normal room temperature temperature conditionss.

Hydraulic system rated pressure：10MPa；Hydraulic system metered flow：20L/min

Hydraulic system main motor current：5.5KW；Hydraulic system filtering accuracy:10µm.

The gear distribution box that described lubricating system includes main transmission lubricates for oil sump, using gear lubricant, fuel-displaced Mouth filtering accuracy is 20 m, and host main body is grease lubrication.

Described pneumatic system includes the elements such as cylinder, pneumatic control valve, controls the accuracy of action of each cylinder, to ensure The normal work of whole straightening system.

This utility model is provided with three kinds of control modes：

Manual mode：On equipment, each mechanism uses button individually operated, each inter-agency is provided with necessary technique and safety Interlocking；

Semiautomatic fashion：Material-uploading style is Non-follow control, and aligning, discharging and blanking process are to automatically control；

Automated manner：After once artificial feeding, unit can be automatically performed charging, feeding, aligning, discharging to aligning unit Overall process.

This utility model is not limited to above-mentioned preferred embodiment, every have with this utility model same or like seemingly Technical scheme, belong to protection domain of the present utility model.

Claims (5)

1. zirconium titanium-niobium alloy bar high accuracy seven roller straighteners, including aligning main frame (1) and electric control system, its feature exists In：Described aligning main frame (1) is provided with three and half smoothing rolls, becomes 2221 arrangements, as 1#, 2#, 3# upper roller (2a1,2a2, 2a3) with corresponding 1#, 2#, 3#, 4# lower roll（2b1、2b2、2b3、2b4）, three upper rollers are the smoothing roll that can move up and down, 2# lower roll（2b2）For the smoothing roll that can move up, 4# lower roll（2b4）For the smoothing roll that can move up and down；Described electric Control system is made up of and each several part coordinated operation PLC man machine interface, converter, various kinds of sensors.

2. straightener according to claim 1 it is characterised in that：The stroke that moves up and down of three upper rollers is 120mm, under 2# The shift motion of roller (2b2) is 20mm for shift motion, 4# lower roll（2b4）Move up and down stroke be ± 20mm.

3. straightener according to claim 1 it is characterised in that：1# upper roller（2a1）, 2# lower roll (2b2), 3# upper roller (2a3) it is respectively provided with pressure transducer, real-time monitoring straightening force, and continuously shown by display instrument.

4. straightener according to claim 3 it is characterised in that：Sensor model number is CMGD-200KN, and display instrument is DP25B-S, sensor accuracy≤0.05%.

5. straightener according to claim 1 it is characterised in that：Smoothing roll is drive roll, and aligning speed is 0～30m/ min.