CN2284109Y - Magnetic bullet transformer type cold-rolled strip material measuring meter - Google Patents
Magnetic bullet transformer type cold-rolled strip material measuring meter Download PDFInfo
- Publication number
- CN2284109Y CN2284109Y CN 95213883 CN95213883U CN2284109Y CN 2284109 Y CN2284109 Y CN 2284109Y CN 95213883 CN95213883 CN 95213883 CN 95213883 U CN95213883 U CN 95213883U CN 2284109 Y CN2284109 Y CN 2284109Y
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- transformer type
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- pressure head
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Abstract
The utility model relates to a magnetic bullet transformer type cold-rolled strip material measuring meter for automatically measuring the flatness of the strip material of a metal plat, which comprises a measuring roller 1, a wet type sliding ring current collecting device 2, a low-pass filtering amplifier 3, a synchronous signal device 4, a sampling control plate 5, a computer 6 and a display 7. The utility model is mainly characterized in that a roller body 12 of the measuring roller 1 is provided with a hollow column structure, the outer surface of which is symmetrically processed into two long grooves along an axis direction and magnetic bullet transformer type press heads 13 are symmetrically installed in the long grooves in groups. The utility model has the advantages of large rigidity, high measuring precision, strong anti-interference capability, easy installation and maintenance, etc.
Description
The utility model belongs to a kind of instrument of automatic detection metal plates and strips glacing flatness, is applicable to the online detection of various cold rolled sheet steel and cold rolling non-ferrous metal plate band glacing flatness.
The glacing flatness of various cold-rolled plate and strips---plate shape is an important indicator estimating its quality, directly influences the serviceability of strip material.Along with the development that other industrial department is produced, also strict day by day to the requirement of strip plate shape.Such as, concerning the outer covering piece of various little strong cars, the plate shape of used steel plate must meet the requirements, otherwise is to can't process qualified part and even can't carry out processing and forming.In order to obtain the good strip material of plate shape, must when Rolling Production, the plate shape to the strip material be controlled, control panel shape, at first must carry out online detection to plate shape, adjust milling train according to testing result and the required precision of plate shape then.Produce the ejecting plate pictograph and close the strip material of requirement.So, have the accuracy of detection height, adaptability is strong, and is simple in structure, easy for installation, be easy to safeguard and to the band steel do not cause the detecting instrument of flatness (hereinafter to be referred as plate profile instrument) of characteristics such as damage just to become cold-rolled plate and strip to produce requisite important equipment.Thus, various plate profile instruments occurred, wherein, Alcan Aluminium Ltd. (ALCA) has developed pressure head pressure measurement combination roll-type plate profile instrument.The operation principle of this plate profile instrument is: measure band plate shape by band inner tensions between measurement milling train and the crimping machine along the distribution of strip width.It is according to being: why the band steel produces flatness defect, is to cause tension distribution inhomogeneous because the band steel that produces when rolling extends along the wide skewness of plate.The plate shape checkout gear of this plate profile instrument adopts the version of cutting apart roller, promptly measuring roll by several independently roller sheet serial connection be assembled together and form.Each is circumferential uniform four pressure sensors in roller sheet edge independently, the steel loop of roller sheet outside suit through quenching, like this, each roller sheet just can be measured the normal pressure of appropriate section band to this roller independently, the positive pressure signal that all roller sheets record is handled, promptly get tension force along the wide distribution of plate, on display, show, promptly get plate shape situation, this plate profile instrument is because its measuring roll is to be assembled by some independently roller sheet serial connections, thereby rigidity is low, and is inapplicable under big rolling tensile force condition.
Britain's Lip river prestige---Robertson (Loewy-Robertson) engineering company has developed the plate profile instrument that is called Vidimon.This plate profile instrument claims air bearing formula plate profile instrument again, and the center of its measuring roll is an axle, and roller shell is being overlapped in the outside.Leave certain interval between axle and axle sleeve, fill in the gap with pressure-air, tension variation causes that the gap changes, and the pressure of gas is changed, and distributes with this rolling tensile force that detects band, i.e. plate shape.But this plate profile instrument is very harsh to the requirement of working environment, needs the air of special cleaning, can not work otherwise the air duct of measuring roll is blocked, and this is difficult to realize in general steel rolling mill.Thereby the application of this plate profile instrument is very restricted, and is only applicable to the production of the accurate paper tinsel band in the noble and unsullied workshop.
Above-mentioned two kinds of plate profile instruments all belong to the contact plate profile instrument, and the plate shape checkout gear of contactless plate profile instrument does not contact with band.
By application number 8610203 Chinese patents disclosed " contactless cold-strip plate profile instrument ", be according to when being with steel internal stress skewness, if after being subjected to extraneous vibration source exciting, vibrative frequency, amplitude etc. are all different, can judge the plate shape condition of band steel thus.This method and rolling field worker wooden stick commonly used knocks the band steel and judges that the situation of plate shape is similar.
The purpose of this utility model is to provide a kind of magnetic bullet transformer type cold-strip plate profile instrument, and this plate profile instrument has advantages such as rigidity is big, accuracy of detection is high, and antijamming capability is strong, is applicable to rolling under the various tension states.
This magnetic bullet transformer type cold-strip plate profile instrument, comprise measuring roll 1, wet type slip ring current-collecting device 2, synchronizing signal device 4, controlling of sampling plate 5, magnetic bullet transformer type pressure head 13 compositions such as grade, it is characterized in that: the body of roll 12 of measuring roll 1 is a whole hollow garden rod structure, its outer surface is processed two elongated slots symmetrically along axis direction, in the elongated slot in groups the symmetry installation magnetic bullet transformer type pressure head 13, two axle journals 11,16 can be made of one with the body of roll 12, also can make fabricated, axle journal 16 leaded holes wherein, outer surface at the body of roll 12 that magnetic bullet transformer type pressure head 13 has been installed, suit several the protection steel loops 14, each protection steel loop 14 is sleeved on just and is arranged on one group of magnetic bullet transformer type pressure head 13 that each bar elongated slot goes the same way, the number of protection steel loop 14 is with consistent along the group number of the axially oriented magnetic bullet of body of roll transformer type pressure head 13,14 of steel loops of protection leave suitable gap, between protection steel loop 14 and the body of roll 12 and the magnetic bullet transformer type pressure head 13 is interference fit, and its outside dimension is all identical; The performance that same protection steel loop is arranged symmetrically in two magnetic bullet transformer type pressure heads 13 in the elongated slot for 14 times is close, and its way of output is differential type output, and the former limit winding 19 that is about to same group of pressure head is connected in series, and secondary winding 21 antiphases are connected in series; Magnetic bullet transformer type pressure head 13 is the transformers that have former limit winding 19 and secondary winding 21 that become by silicon steel plate packing, former limit winding 19 and secondary winding 21 are pressed 1: 1 turn ratio coiling, silicon sheet core 18 is by 40～50, the silicon steel sheet of thick 0.2～0.5mm is formed, it is vertical to be placed in the groove of pressure transmission pad 17 and base 20, and cement in together with resin glue, magnetic bullet transformer type pressure head 13 and drawing between the lead and the body of roll with the sealing of resin glue overall perfusion, to guarantee reliable each other electric insulation, be in operation, for sliding ring type collecting ring and brush constantly being cooled and cleaning, place the cooling cleaning agent to bathe them.
The magnetic bullet transformer type cold-strip plate profile instrument that the utility model proposes has adopted whole body of roll formula plate-shaped sensing roller, is pressure sensor with magnetic bullet transformer type pressure head.Be shaped on two elongated slots parallel with axis on whole body of roll excircle symmetrically, magnetic bullet transformer type pressure head is fixed in the groove in groups, and the pressure head outside is set with press head group counts corresponding protection steel loop 14.Whole measuring roll is bearing on the bearing, rotates synchronously with the band steel under band steel pressure drives, thereby can carry out continuous detecting to plate shape condition.Magnetic bullet transformer type pressure head is connected into differential output circuit, and detected plate shape signal is exported through the wet type current-collecting device.The plate shape signal of output is through handling and amplifying circuit send Computer Processing after attenuating useless frequency component, shows then or gives control system.
This is practical owing to adopted whole body of roll formula plate-shaped sensing roller, rigidity height, so the influence of the not examined bending distortion of detection signal, and it is rolling to be suitable for various tension states.Simultaneously, owing to adopted the magnetic bullet transformer type pressure sensor and the differential way of output, thereby the accuracy of detection height, circuit is simple, antijamming capability is strong.But wet type current-collecting device long-term stable operation is easy to maintenance.Owing to be that contact directly detects, avoided the interference that the indirect detection error is big and environmental factor produces, therefore this plate profile instrument is specially adapted to the practical application under the general rolling field condition.
Drawings and Examples:
Fig. 1 is a magnetic bullet transformer type cold-strip plate profile instrument schematic diagram.
Fig. 2 is a plate-shaped sensing roller installation site schematic diagram.
Fig. 3 is the structure diagram of plate-shaped sensing roller.
Fig. 4 is a magnetic bullet transformer type pressure sensor structure sketch.
Fig. 5 is the differential output type plate of a single channel shape testing circuit schematic diagram.
Accompanying drawing 1 is that this practical disclosed magnetic bullet transformer type cold-strip plate profile instrument (see figure 1) is made up of plate shape detection survey roller 1, wet type slip ring current-collecting device 2, low-pass filter amplifier 3, synchronizing signal device 4, controlling of sampling plate 5, computer 6 and display 7.Plate-shaped sensing roller 1 is installed in (see figure 2) on the position between milling train and the coiling machine, 9 and is band, the 1st, plate-shaped sensing roller, the 10th, coiling machine for milling train, 8, plate-shaped sensing roller takes out detected band plate shape signal by wet type slip ring current-collecting device 2, give low-pass filter amplifier 3, low-pass filter amplifier 3 is handled amplification respectively with each road plate shape signal, becomes the voltage signal that is fit to computer acquisition and supplies with controlling of sampling plate 5.Controlling of sampling plate 5 is followed synchronously by synchronizing signal device 4 and is gathered each road plate shape signal and give computer 6 and carry out calculation process.Plate shape signal after the processing is given display screen 7 and is carried out the demonstration of plate shape, also can supply with plate shape automatic control system simultaneously.In magnetic bullet transformer type cold-strip plate profile instrument, critical component is a plate-shaped sensing roller 1, plate-shaped sensing roller of the present utility model has been taked the particular structure form, guaranteed that the existing enough rigidity of plate-shaped sensing roller is to adapt to the rolling of any tension state, can adapt to the adverse circumstances of rolling line again, very strong antijamming capability is arranged.Its concrete structure is a (see figure 3): two bearing journals 11,16 and the hollow garden cylindricality body of roll 12 usefulness interference fit method are assembled together securely, and they are kept with one heart.On the outer surface of the body of roll 12, process two axial elongated slots symmetrically, pressure sensor---magnetic bullet transformer type pressure head 13 is fixed in the elongated slot in groups, magnetic bullet transformer type pressure head 13 and draw between the lead and the body of roll 12 and to require insulation reliably, therefore adopted the thermosetting fire resistant resin to carry out the overall perfusion sealing, can guarantee that plate-shaped sensing roller still can operate as normal when operating temperature surpasses 200 ℃.In magnetic bullet transformer type pressure head 13 outsides; with interference fit; suit the protection steel loop 14 that equates with the group number of the magnetic bullet transformer type pressure head of axially installing along the body of roll of number, and each protects steel loop 14 all to cover in one group of magnetic bullet transformer type pressure head 13 of along the circumferential direction going the same way just.Each protects 14 of steel loops to leave appropriate gap in order to avoid signal interferes with each other, and the external diameter of all protection rings 14 is identical.Silicon sheet core 18 is founding (see figure 4) in the groove that builds up and be bonded at securely with resin pressure transmission pad 17 and base 20 by the silicon steel sheet of 40 thick 0.3mm, make pressure transmission pad 17, iron core 18 and base 20 become a rigid unitary, whole pressure head is fixed by bolts in the axial elongated slot of the body of roll by 4 holes of base 20.The former and deputy limit winding of iron core 18 is with the turn ratio coiling of high temperature resistant wire with 1: 1.When the protection steel loop of pressure transmission pad 17 outsides is subjected to pressure with steel; pressure is passed to silicon sheet core; silicon steel sheet is stressed; strain takes place in its lattice tissue; make permeability change, thereby the output of secondary changed, then when band to the pressure of plate-shaped sensing roller (that is reflection tension distribution) not simultaneously; just obtain different plate shape signals, such plate shape signal is provided with several along the width of stocking.Shown in Figure 5 is the detection principle of wherein arbitrary road signal, the 13rd, and magnetic bullet transformer type pressure head, the 2nd, wet type slip ring current-collecting device is placed on sliding ring type collecting ring and brush in the cooling cleaning agent bath that can play cooling and cleaning action.Like this, can guarantee the work of collecting ring long-term stability, maintenance work significantly reduces.All the other are handled and amplifying circuit for signal, that is low-pass filter amplifier.The mode signal output of magnetic bullet transformer type pressure head of the present utility model adopts differential type output, and the former limit that is about to two close magnetic bullet transformer type pressure heads of the performance of symmetric arrangement under the same retaining ring is connected in series, and the secondary antiphase is connected in series.Therefore magnetic bullet transformer type pressure head improves greatly to the sensitivity that pressure signal detects, and circuit is simple, strong anti-interference performance.Vo is the carrier wave of 500-2000Hz, and watt level is determined by the testing circuit number.The signal that magnetic bullet transformer type pressure head 13 detects is transferred to signal through current-collecting device and handles and amplifying circuit.The major function that signal is handled with amplifying circuit is the frequency component that attenuates useless 500-2000Hz, amplifies needed and operating frequency component that mill speed is synchronous (such as: 10-30Hz), simultaneously each road pressure head sensitivity inconsistency is compensated.
Claims (6)
1, a kind of magnetic bullet transformer type cold-strip plate profile instrument, comprise measuring roll 1, wet type slip ring current-collecting device 2, low-pass filter amplifier 3, synchronizing signal device 4, controlling of sampling plate 5, compositions such as computer 6 and display 7, it is characterized in that: the body of roll 12 of measuring roll 1 is hollow garden rod structure, its outer surface is processed two elongated slots symmetrically along axis direction, magnetic bullet transformer type pressure head 13 is installed in the elongated slot in groups symmetrically, two axle journals 11,16 with the body of roll 12 can make one, also can make fabricated, axle journal 16 leaded holes wherein, at the body of roll outer surface that magnetic bullet transformer type pressure head 13 is installed, suit several steel retaining rings 14.
2, plate profile instrument according to claim 1, its characteristics are: each steel retaining ring 14 is sleeved on just and is arranged on one group of magnetic bullet transformer type pressure head 13 that two elongated slots go the same way, the number of steel retaining ring 14 is with consistent along the number of the body of roll 12 axially oriented magnetic bullet transformer type pressure heads, leave suitable gap between the steel retaining ring 14, between the steel retaining ring 14 and the body of roll 12 and the magnetic bullet transformer type pressure head 13 is interference fit, and the outside dimension of all steel retaining rings 14 is all identical.
3, plate profile instrument according to claim 1, it is characterized in that: the performance that same steel retaining ring is arranged symmetrically in two magnetic bullet transformer type pressure heads 13 in the elongated slot for 14 times is close, its way of output is differential type output, the former limit winding 19 that is about to same group of pressure head is connected in series, and secondary winding 21 antiphases are connected in series.
4, plate profile instrument according to claim 1, it is characterized in that: magnetic bullet transformer type pressure head 13 is the transformers that have former limit winding 19 and secondary winding 21 that become by silicon steel plate packing, former limit winding 19 and secondary winding 21 are pressed 1: 1 turn ratio coiling, silicon sheet core 18 is by the 40-50 sheet, and the silicon steel sheet of thick 0.2-0.5mm is formed.
5, according to claim 1,4 described plate profile instruments, it is characterized in that: silicon sheet core 18 is vertical to be placed in the groove of pressure transmission pad 17 and base 20, and cement in together with resin glue, magnetic bullet transformer type pressure head 13 and drawing between the lead and the body of roll 12 with the sealing of resin glue overall perfusion is to guarantee each other electric insulation reliably.
6, plate profile instrument according to claim 1 is characterized in that: can place the cooling cleaning agent to bathe on sliding ring type collecting ring and brush.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95213883 CN2284109Y (en) | 1995-06-14 | 1995-06-14 | Magnetic bullet transformer type cold-rolled strip material measuring meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95213883 CN2284109Y (en) | 1995-06-14 | 1995-06-14 | Magnetic bullet transformer type cold-rolled strip material measuring meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2284109Y true CN2284109Y (en) | 1998-06-17 |
Family
ID=33863650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 95213883 Expired - Fee Related CN2284109Y (en) | 1995-06-14 | 1995-06-14 | Magnetic bullet transformer type cold-rolled strip material measuring meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2284109Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100421826C (en) * | 2006-09-29 | 2008-10-01 | 燕山大学 | Split plate profile instrument with piezomagnetic internal pores |
| CN101985134A (en) * | 2010-11-04 | 2011-03-16 | 中色科技股份有限公司 | Contact-type plate-shaped measuring apparatus |
| CN101518787B (en) * | 2009-02-13 | 2012-07-18 | 燕山大学 | Comprehensive test platform for detection of profile shape of a board strip and performance of shape meter |
| CN103272859A (en) * | 2013-05-15 | 2013-09-04 | 北京北科麦思科自动化工程技术有限公司 | Direct piezoresistance non-slip-ring section-contact type strip shape gauge |
| CN103302112A (en) * | 2013-05-31 | 2013-09-18 | 燕山大学 | Complete-roller-embedded type plate shape gauge |
| CN105414188A (en) * | 2015-12-22 | 2016-03-23 | 江苏大力神科技股份有限公司 | Strip shape roller used for accurately controlling strip shape |
| CN107335685A (en) * | 2017-09-01 | 2017-11-10 | 陆余圣 | A kind of S type band finishing lower mandrel members of rocking material retractable milling train |
| CN114570777A (en) * | 2022-03-04 | 2022-06-03 | 洛阳盖尔测控科技有限公司 | Sectional magnetic suspension type plate shape measuring roller |
-
1995
- 1995-06-14 CN CN 95213883 patent/CN2284109Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100421826C (en) * | 2006-09-29 | 2008-10-01 | 燕山大学 | Split plate profile instrument with piezomagnetic internal pores |
| CN101518787B (en) * | 2009-02-13 | 2012-07-18 | 燕山大学 | Comprehensive test platform for detection of profile shape of a board strip and performance of shape meter |
| CN101985134A (en) * | 2010-11-04 | 2011-03-16 | 中色科技股份有限公司 | Contact-type plate-shaped measuring apparatus |
| CN101985134B (en) * | 2010-11-04 | 2014-01-01 | 中色科技股份有限公司 | Contact-type plate-shaped measuring apparatus |
| CN103272859A (en) * | 2013-05-15 | 2013-09-04 | 北京北科麦思科自动化工程技术有限公司 | Direct piezoresistance non-slip-ring section-contact type strip shape gauge |
| CN103302112A (en) * | 2013-05-31 | 2013-09-18 | 燕山大学 | Complete-roller-embedded type plate shape gauge |
| CN103302112B (en) * | 2013-05-31 | 2015-09-16 | 燕山大学 | The embedded plate profile instrument of whole roller |
| CN105414188A (en) * | 2015-12-22 | 2016-03-23 | 江苏大力神科技股份有限公司 | Strip shape roller used for accurately controlling strip shape |
| CN107335685A (en) * | 2017-09-01 | 2017-11-10 | 陆余圣 | A kind of S type band finishing lower mandrel members of rocking material retractable milling train |
| CN114570777A (en) * | 2022-03-04 | 2022-06-03 | 洛阳盖尔测控科技有限公司 | Sectional magnetic suspension type plate shape measuring roller |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |