CN2107638U

CN2107638U - Strip material plate-shaped dynamic measuring roller

Info

Publication number: CN2107638U
Application number: CN 91226916
Authority: CN
Inventors: 邑辰旭
Original assignee: Individual
Current assignee: Individual
Priority date: 1991-10-24
Filing date: 1991-10-24
Publication date: 1992-06-17

Abstract

The utility model relates to a strip material plate-shaped dynamic measuring roller, which is formed by the assembly of a plurality of measuring roll rings, wherein, each measuring roll ring is composed of a liner ring which is provided with a pressure sensor and is sheathed with a standard bearing outside. After each measuring roll ring is respectively manufactured and corrected, each measuring ring is installed on a hollow shaft through a connecting shaft key. Both ends of each measuring roll ring are respectively fixed by a fixed ring, and both ends of a roller shaft are supported on two roller seats in fixed direction. The utility model is characterized in that as long as an outer ring rotates, the hollow shaft and the liner ring with a pressure element arranged in the inner ring of the bearing are fixed, and a pressure signal can be led out by the hollow shaft to a connecting box and is connected with an electrical system outside. The utility model which has the advantages of reliable measurement and convenient debugging, is suitable for dynamic continuous measuring display and control for the plate shape in the process of cold roll and hot roll.

Description

Strip material plate-shaped dynamic measuring roller

Plate shape is an important quality index of strip section products such as non-ferrous metal and steel, and the detection method of plate shape has static and dynamic two big classes at present, has only the detection of dynamic of realization just can carry out the control of plate shape.Therefore, develop and under dynamic condition, to detect and control panel shape is that the engineering department of the strip production development eighties inscribes.The utility model is exactly the strip material carries out detection of dynamic and control to plate shape in the operation of rolling a key device.

So-called plate shape be generally the strip material under field conditions (factors) with unevenness, wave degree or the angularity of on-gauge plate.Common have middle wooden dipper, limit wave, 1/4 ripple and a smooth type; The factor that causes the strip flatness defective is many-sided, in a word mainly be in the operation of rolling, on width, to be out of shape inequality, promptly on strip width, extend inequality and make length produce deviation, cause the horizontal tension difference, generally when rolling, band all has the quality that certain force of strain is difficult to judge plate shape.Band plate shape measurement roller of the present utility model, the device that has dynamic continuous detecting plate shape under certain tension force condition exactly at band.

Detection of dynamic and control system to plate shape mainly comprise: plate shape detection of dynamic, and the electric Computer Processing of detection signal, plate shape is detected and is shown and closed loop automatic feedback control plate shape.The utility model mainly is to propose a kind of novel band plate shape kinetic measurement roller.

The contact plate shape device for dynamically detecting of having developed at present employing mainly contains dimension ground and covers (vidimon) plate shape measurement roller, BFI type and Qusm200 type measuring roller.

Dimension ground covers the plate shape measurement that measuring roller is exclusively used in cold-strip.It is made up of the rotation outer shroud of a lot of precise finisses, the outer shroud of these rotations is assembled on the fixing roll shaft by air bearing, each rotates in the outer shroud two air pressure probes is housed, when strap tension acts in each change, just can on two sensor port, produce the differential pressure of a direct ratio, machine is handled as calculated, carries out demonstration of plate shape and control.This measuring roller is contained on liftable bearing of outlet of milling train, just can rise during measurement to make roller contact and produce a required cornerite with band, and change friction and inertia are very little, also can be suitable for even material is very soft.Characteristics and problem that dimension ground covers the plate shape measurement roller are: (1) this roller is made accurate, debugging collimation technique complexity, cost height.(2) need dispose the compressed-air supply system of specific (special) requirements.(3) rotate the direct and test section associated of outer shroud, when cold rolling, have under the condition of work of dirts such as profit, the pollution effect measurement effect takes place easily, introduce according to the said firm " air bearing of this roller has the influence that self-cleaning characteristic makes this roller not entered by any dirt; thereby in fact do not need maintenance ", but domestic this measuring roller of not introducing does not as yet still have practical experience to its dependability.

BFI type and Qusm200 type measuring roller measuring roller are to be assembled on an axle with connecting rod by a lot of measurement collars, whole roller turn, and the tension force of band acts on each and measures on the collars, passes on the quartzy piezoelectric sensor by the elasticity outer shroud and detects.Pressure transducer is contained in each and measures in collars and along the assembling that evenly is staggered of the circumference of roller, have only a sensor stressed like this in the unit interval, and detection time is relevant with the rotating speed of roller.A moving week of revolution all sensor once, 8 sensors can a shared amplifier, the pressure signal that records imports process computer into, and to convert the length of band to flat poor, can show on television screen that also exportable signal carries out the control of plate shape.The characteristics and the problem of this type measuring roller are: the load-sensing unit of (1) measuring roller is along the even alternative arrangement of roller circumference, and whole roller detects under the rotation condition, each point batch (-type) detection feedback transmission signals on width.(2) after the measuring roller reconditioning and the elasticity outer shroud be in operation wear and tear after, outer ring resilience changes and promptly may produce measuring error, must in time calibrate, in requisition for configure dedicated calibrating installation and compressed air system.

The purpose of this utility model is to propose a kind of new type of plate shape measuring roller with special construction.It is to adopt standard rolling bearing, outer shroud rotation, detecting element to fix, and avoids the shortcoming of above measuring roller, makes and makes simply low cost.

The purpose of this utility model is achieved in that

It is to be made by a lot of measurement collars assemblings, each measurement ring is made up of the standard rolling bearing of grommet overcoat that pressure transducer is housed again, after will measuring collars and making respectively and proofread and correct, dead ring and the connecting shaft key with the roller two ends is contained on the tubular shaft again.Measuring the collars two ends respectively has a roller seat, and the roll shaft orientation is supported on two roller seats, and the novel measuring roller of this spline structure has only outer race to rotate.Grommet and tubular shaft that bearing inner ring is equipped with load cell are all fixed, and pressure signal line can be drawn by tubular shaft.Principal feature of the present utility model is: adopt standard rolling bearing, load cell and roll shaft are fixed, and rotating outer shroud does not directly influence the test section.In use, measuring roller is contained in the front of the back coiling machine of milling train outlet thicknessmeter, and respectively there is a guide roller front and back, makes to hold the angle and fix, and detects accurately, and is stable.When the band that shuts out when this measuring roller because band horizontal tension inequality, the pressure that is pressed onto on the measurement collars of different sections is also inconsistent, thereby make the signal of output of pressure transducer also different, these signals are handled,, and shown or control with detection band transverse plate shape situation.

The standard rolling bearing of measuring collars is according to different technological requirements, and the width of collars is different with diameter, can adopt the ball of common model, the bearing of roller bearing or special requirement model.

The measuring roller bearing of this pattern adopts high temperature lubricating and water-cooled measure, also can be used for the plate shape measurement of hot-rolled band.

Advantage of the present utility model is:

(1) measuring roller adopts the assembly of areal survey collars, and each is measured collars and is made up of a grommet and the standard rolling bearing that pressure transducer is housed, can the segmentation manufacturing, and be assembled on the tubular shaft after calibrating, manufacturing technology is simple, low cost.

(2) measuring roller has only outer shroud to rotate, and rotator inertia is little, and bearing inner ring does not rotate with grommet and tubular shaft that load cell is housed.Therefore, rotating outer shroud does not directly influence the test section, and detecting reliability is good, and it is convenient that measuring-signal is drawn transmission.

(3) measure the roll shaft orientation and be supported on two roller seats, respectively establish a common guide roller before and after the measuring roller, make to hold angle and strap tension the force direction of measuring roller is maintained fixed, make the testing result of measuring roller and operation more stable.

Below in conjunction with accompanying drawing the utility model is described.

Fig. 1 is a plate shape measurement roller arrangement plan.

Fig. 2 always schemes for the template measuring roller.

Fig. 3 is a template measuring roller cut-away view.

Fig. 4 is a measuring roller loops composition.

At first the configuration in use of this device is described below in conjunction with Fig. 1.

It is preceding that measuring roller (5) generally is contained in outlet thicknessmeter (2) back and the coiling machine (7) of milling train (1), and the template of band (3) is detected, and shows and the controlled rolling condition, with the strip product of production good profile.For guarantee measuring accurately, a guide roller (4,6) is respectively established in front and back, makes to hold the angle and fix.Between milling train (1) and guide roller (4), thicknessmeter (2) is arranged.Roll in the process at band, owing to extend differently on the strip width, distortion is uneven, and it is flat poor to make band produce length on Width, causes in the last tension force difference on the Width of measuring roller (5).Necessarily holding under the situation of angle, also different to the acting force of measuring roller (5).The pressure that this measuring roller (5) promptly utilizes the segmentation collars to detect the different sections of roller is realized band (3) plate shape is carried out dynamic continuous detecting, shows and control, detects to show it mainly is each pressure relative value, also can show the general pressure value.

Below in conjunction with Fig. 2, Fig. 3, Fig. 4 illustrate the structure of this measuring roller, assembling and utilization and operation situation.

Measuring roller among Fig. 1 (5) mainly is made up of several measurement collars (51), dead ring (52), roller seat (53), tubular shaft (54) and terminal box (55) shown in Fig. 2; Measure collars (51) two ends by dead ring (52) with connecting shaft key (56) is fastening is assembled on the tubular shaft (54).Each measures collars (51), and by shown in Fig. 3 and Fig. 4 the grommet (517) of load cell (514) and standard rolling bearing to be housed be that outer shroud (511), ball (512), interior ring (513) are formed; Grommet (517) is to be contained in bearing inner ring (513) the inside, the interior ring (513) of bearing and grommet (517) be suit or connect in the mode of key closely, load cell (514) adopts the waterproof and oilproof sealing to be assemblied on the grommet (517), and is furnished with a precompression regulator (515), when each measures collars (51) assembling, can give certain precompression to sensor; The pressure signal lead-in wire (516) that detects can be drawn out to terminal box (55) by tubular shaft (54) and be connected with the external electrical system; After each measurement ring can be made respectively and proofread and correct, install on the tubular shaft (54) with connecting shaft key (56), with the dead ring (52) at two ends compress install after, whole roller is carried out the cylindrical reconditioning to eliminate the dimensional tolerence of each collars cylindrical.Roller seat (53) is fixed in order to make directed the fixing to keep band that measuring roller is held angle (α) of measuring roller at roller two end supports roll shaft, makes radial pressure and load cell be subjected to the force direction stable and consistent.Roll shaft (54) is the circumference assembling with roller seat (53).Terminal box (55) is detection signal lead-in wire (516) is connected and plays safe guarantor's effect with the external electrical system a seal box.According to the requirement that wiring is installed, can be contained in the left end or the right-hand member of measuring roller.This measuring roller also can directly be enclosed within standard rolling bearing on the tubular shaft (54), simultaneously load cell also is contained on the tubular shaft (54), and the constant rotation outer shroud that still can make of other structure does not directly influence the test section, therefore, is the utility model supplementary form yet.

Be pressed onto when the band that rolled (3) on the measurement collars (51) of different sections, because horizontal tension inequality, be pressed in the pressure difference of outer shroud (511), the power that passes to the sensor (514) on interior ring (513) and the grommet (517) by ball (512) is also different, produce different signals, draw, be summarized in the terminal box (55) by lead-in wire (516), receive outside other electrical system again and handle, show or control panel shape.

Claims

1, a kind of band template measuring roller is characterized in that: it is to be assembled on the tubular shaft by a plurality of measurement collars; Each is measured collars and is made up of standard rolling bearing of the grommet overcoat that has pressure transducer; A plurality of measurement collars are fastenedly connected it on a tubular shaft with the dead ring and a connecting shaft key at two ends, and said tubular shaft is installed on the roller seat at two ends with circumference structure orientation; The signal extension line of the pressure transducer of each measurement collars all is summarized in the terminal box of tubular shaft one end by tubular shaft, and links with extraneous electrical system.

2, measuring roller according to claim 1 is characterized in that: the interior ring of said standard rolling bearing closely is nested together with the grommet that has pressure transducer, and the pre-voltage regulator of an adjusting precompressed is arranged.

3, measuring roller according to claim 1 and 2 is characterized in that: said pressure transducer is sealed to be loaded on the grommet.

4, it is characterized in that according to claim 1,2 or 3 described measuring rollers: hold the angle fixed guide roller when respectively having one to make band before and after the measuring roller by this measuring roller.

5, according to claim 1,2,3 or 4 is described, and the characteristics of this measuring roller are: the pressure transducer in the grommet can be one, also can be a plurality of.

6, according to claim 1,2,3 or 4 is described, and this measuring roller is characterised in that: interior ring and grommet be suit or match in the key mode closely.