CN102735581A - Device and method for lossless and continuous detection of density uniformity of belt-shaped material - Google Patents
Device and method for lossless and continuous detection of density uniformity of belt-shaped material Download PDFInfo
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- CN102735581A CN102735581A CN2012102505675A CN201210250567A CN102735581A CN 102735581 A CN102735581 A CN 102735581A CN 2012102505675 A CN2012102505675 A CN 2012102505675A CN 201210250567 A CN201210250567 A CN 201210250567A CN 102735581 A CN102735581 A CN 102735581A
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Abstract
The invention provides a device and a method for lossless and continuous detection of the density uniformity of a belt-shaped material. The device comprises a measuring unit, a rolling-shaft speed controller, a distance sensor and a computer unit, wherein the measuring unit comprises a stressing sensor, a bracket, a bearing and a rolling wheel; and the stressing sensor is connected with the computer unit. When the belt-shaped material passes through a rolling wheel of the measuring unit, the stressing sensor transmits instantaneous pressure data generated by the passed belt-shaped material to the computer unit, the computer unit records the pressure data, outputs a pressure change oscillogram according to the pressure data at different time, and judges the change condition of the density of the belt-shaped material. Due to the adoption of the device and the method provided by the invention, continuous and automatic real-time detection can be implemented on the density uniformity of the belt-shaped material under the lossless condition, so that the efficiency is high, the speed is fast, and convenient and pollution-free effects are achieved.
Description
Technical field
The present invention relates to a kind of apparatus and method that detect the strip material density uniformity, particularly a kind of apparatus and method of harmless continuous detecting strip material density uniformity.
Background technology
The density uniformity of strap-like objects quality quality for product in commercial production plays critical effect; Present stage, the measuring method for the strap-like objects density uniformity mainly was divided into two kinds; A kind of is that strip material is carried out the fritter sampling, calculates and compare their density then.This method needs the hand sampling test, is a kind of detection that diminishes, and not only efficient is low, and can't reflect the density uniformity of whole strip material at all.Another kind is the radiological measuring method that adopts to the strip metal material; This method can realize the harmless continuous detecting of strap-like objects density, and efficient height and degree of accuracy are high, but owing to radioactivity causes damage to people's cognition; And energy consumption is big, can't extensively apply in the commercial production.
Summary of the invention
But the present invention aims to provide the apparatus and method of high, convenient, pollution-free, the harmless and continuous automatic inspection strip material density uniformity of a kind of efficient.
The present invention realizes through following scheme:
A kind of device of harmless continuous detecting strip material density uniformity comprises that measuring unit, at least two roller bearing speed controls, two height limit appearance and computer unit; Said measuring unit comprises force sensor, support, bearing and scroll wheel; Support is fixed on the force sensor; It can not moved horizontally, and Bearing Installation is in the upper end of support, and scroll wheel is installed on the bearing; Strip material is passed through from scroll wheel, strip material also by with the measuring unit be the boundary be divided into nature sagging about two sections; Said force sensor is connected with computer unit through data line; Said height limits appearance and is made up of a pair of range sensor; Unreeling of strip material a said roller bearing speed control is installed at least respectively with the wrap-up place; Be positioned at about measuring unit two sections sagging naturally strip material lowermost and a described height respectively is installed is limited appearance, the upper-lower position vertical with the material movement direction respectively installed a range sensor; Described height limits appearance and all is connected with computer unit through data line with the roller bearing speed control.
A kind of method of harmless continuous detecting strip material density uniformity; Adopt the device of above-mentioned harmless continuous detecting strip material density uniformity; Continuous ribbon-like materials drives with the certain speed uniform motion by unreeling wrap-up and kinematic train thereof; Strip material is the nature hang in the motion process; Place the measuring unit part of said device in the midpoint of said sagging strip material naturally; Strip material is continuously and at the uniform velocity through the scroll wheel on the measuring unit, the strip material that said measuring unit will be in this position hold up to the starting point (unwinding device place) of this section strip material and terminal point (wrap-up place) position in the position of same level height, described this section strip material quilt with the measuring unit be about the boundary is divided into two sections sagging naturally; The minimum point of two sections sagging strip material is respectively installed a height and is limited appearance about described respectively; The mounting means of each high limit appearance is: with the upper-lower position of the perpendicular direction of material parallel motion direction a range sensor is installed respectively; Make strip material from passing through between two range sensors up and down; Range sensor sends to computer unit with the detection signal that the sagging height of strip material changes; And by computer unit feed back to be installed on unreel with wrap-up on the roller bearing speed control; Velocity of rotation with the control roller bearing; With keep each constantly strip material unreel and wrap-up between strip material total length and to be positioned at about measuring unit two sections length consistent with sagging height, when the scroll wheel of strip material continuously and smoothly through said measuring unit, described force sensor is sent to computer unit with the instantaneous pressure data of the strip material generation of being passed through.Because the total length of strip material between two roller bearing speed controls remains unanimity; And the thickness of the strip material that each is examined, width generally are consistent; The variation of the instantaneous pressure value that therefore, force sensor is gathered in the measuring unit has just reflected the situation of change of strip material density.Computer unit record pressure data; And according to difference pressure data output pressure variation oscillogram constantly; If pressure does not change, the output signal is exactly the level of approximation straight line, if pressure changed in certain time period; Then export signal and just demonstrate corresponding fluctuation variation, from oscillogram, just can observe the variable density situation of whole strip material.
Be convenient monitoring, can be in computer equipment the higher limit and the lower limit of set pressure in advance, when the force value that records exceeds higher limit or is lower than lower limit, send the even alerting signal of density unevenness.
Compare with method with existing apparatus, apparatus of the present invention and method possess following advantage:
1. whether evenly and the position that density anomaly occurs can can't harm the variable density situation that continuous real-time detects strip material, can judge density, and have warning function, whole process using detects judge, efficient quick automatically.
2. do not adopt any radioactive ray detection part, pollution-free, suitable large-scale promotion application.
3. to the similar strip material of more detected consistent in density; Elder generation's manual work records their density value; Again according to the force value that records; Just can set up such strip material to the force value that force sensor produced and the relation curve or the conversion formula of density, can also calculate the density value of such other strip material in view of the above in real time.
Description of drawings
Measuring unit structural representation in the pick-up unit of Fig. 1 embodiment 1
Range sensor block diagram in the pick-up unit of Fig. 2 embodiment 1
Fig. 3 embodiment 2 detects serialization strip foaming nickel material density uniformity method synoptic diagram
The waveform and the alarm principle synoptic diagram of the computer equipment output of Fig. 4 embodiment 2
Embodiment
A kind of device of harmless continuous coverage strip material density uniformity comprises that measuring unit A, two height limit appearance 5, roller bearing speed control 6a and 6b and computer unit B, and whole schematic construction is as shown in Figure 3.Said measuring unit is as shown in Figure 1, on force sensor 2, places support bracket 1, and rolling bearing 3 is installed in the upper end of support 1, and scroll wheel 4 is contained on the support 1 through rolling bearing 3; Said force sensor 2 is connected through data line with computer unit B, to realize instantaneous pressure data transmission, record and to judge.It is as shown in Figure 2 that said height limits appearance 5, forms with 5b by two range sensor 5a up and down, strip material 7 from about process between two range sensor 5a and the 5b, highly limit appearance 5 and pass through data line and be connected with computer unit B.As shown in Figure 3ly a roller bearing speed control 6a and 6b are installed respectively unreeling of strip material 7 with the wrap-up place; Be positioned at measuring unit A about the lowermost of two sections sagging naturally strip material I sections and II section a height respectively be installed limited appearance 5; The mounting means that highly limits appearance is: with the upper-lower position of the perpendicular direction of strip material 7 direction of motion a range sensor is installed respectively, strip material 7 is from passing through between two range sensor 5a and the 5b up and down; Described height limits appearance 5, roller bearing speed control 6a all is connected with computer unit B through data line with 6b.
The method of the density uniformity of harmless continuous detecting serialization strip foaming nickel material, the pick-up unit of employing embodiment 1, the state signal during detection is as shown in Figure 3.Continuous band-shaped foam nickel material drives with the certain speed uniform motion (by direction shown in the arrow among the figure by unreeling wrap-up and kinematic train thereof; From right to left); The strip foaming nickel material is the nature hang in the motion; The measuring unit A of embodiment 1 device is placed at the some place therein; The strip foaming nickel material passes through the scroll wheel 4 on the measuring unit A continuously and at the uniform velocity; The strip material that measuring unit will be in this position hold up to the starting point (unwinding device place) of this section strip material and terminal point (wrap-up place) position in the position of same level height (promptly i, ii and the iii three shown in the figure is in same level height), this section strip material quilt with the measuring unit be the boundary be divided into nature sagging about two sections I sections and II section; In the minimum point of said I section and two sections sagging strip material of II section a height is installed respectively respectively and is limited appearance 5; The mounting means that highly limits appearance 5 is: the upper-lower position vertical with strip foaming nickel material 7 direction of motion respectively installed a range sensor 5a and 5b; Make strip material 7 from passing through between two range sensor 5a and the 5b up and down; The height that is connected with computer unit B limits appearance the detection signal that the sagging height of strip foaming nickel material changes is sent to computer unit B; And by computer unit B feed back to be installed on unreel with wrap-up on roller bearing speed control 6a and 6b; The velocity of rotation of control roller bearing; With keep each constantly strip foaming nickel material be arranged in unreel and wrap-up (i of figure and ii) between the strip foaming nickel material total length and to be positioned at about measuring unit the length of two sections I sections and II section consistent with sagging height; When strip foaming nickel material continuously and smoothly passes through the scroll wheel 4 of said measuring unit A; Force sensor 2 is sent to connected computer unit B with the instantaneous pressure data that the strip foaming nickel material that is passed through produces, because the total length of strip foaming nickel material between two roller bearing speed controls remains unanimity, and the thickness of each examined strip foaming nickel material generally is consistent with width; The variation of the instantaneous pressure value that therefore, force sensor is gathered in the measuring unit changes consistent with the density value of strip foaming nickel material.Computer unit B writes down pressure data, changes waveform according to difference pressure data output pressure constantly, and is as shown in Figure 4, and monitors the situation of change of density according to the situation of change of waveform.If pressure does not change, the output signal is exactly the level of approximation straight line, if pressure changed in certain time period, then exports signal and just demonstrates corresponding fluctuation variation, from oscillogram, just can observe the variable density situation of whole banded foam nickel material.
If in computer equipment, set in advance this strip foaming nickel material to upper limit of pressure value and lower limit that force sensor produced; Like two horizontal linears 8 up and down and 9 among Fig. 4; When the force value that records exceeds higher limit or is lower than lower limit, send the even alerting signal of density unevenness.
Claims (3)
1. the device of a harmless continuous detecting strip material density uniformity is characterized in that: comprise that measuring unit, two roller bearing speed controls, two height limit appearance and computer unit at least; Said measuring unit comprises force sensor, support, bearing and scroll wheel; Support is fixed on the force sensor; Bearing Installation is in the upper end of support; Scroll wheel is installed on the bearing, and strip material is passed through from scroll wheel, strip material also by with the measuring unit be the center be divided into nature sagging about two sections; Said force sensor is connected with computer unit through data line; Said height limits appearance and is made up of two range sensors; Unreeling of strip material a said roller bearing speed control is installed at least respectively with the wrap-up place; The sagging naturally strip material lowermost that is positioned at measuring unit the right and left is respectively installed a described height qualification appearance, and the mounting means that highly limits appearance is for respectively to install a range sensor with the upper-lower position of the perpendicular direction of material movement direction; Described height limits appearance and all is connected with computer unit through data line with the roller bearing speed control.
2. the method for a harmless continuous detecting strip material density uniformity; It is characterized in that: the device that adopts harmless continuous detecting strip material density uniformity as claimed in claim 1; Continuous ribbon-like materials drives with the certain speed uniform motion by unreeling wrap-up and kinematic train thereof; Strip material is the nature hang in the motion process; Place the measuring unit part of said device in the midpoint of said sagging strip material naturally; Strip material is continuously and at the uniform velocity through the scroll wheel on the measuring unit, and the strip material that said measuring unit will be in this position holds up the position that is positioned at same level height to unwinding device place and wrap-up place with this section strip material, described this section strip material quilt with the measuring unit be about the boundary is divided into two sections sagging naturally; The minimum point of two sections sagging strip material is respectively installed a height and is limited appearance about described respectively; Highly limit the appearance mounting means for a range sensor respectively to be installed with the upper-lower position of the perpendicular direction of strip material direction of motion; Make strip material from passing through between two range sensors up and down; Highly limit appearance the detection signal that the sagging height of strip material changes is sent to computer unit; And by computer unit feed back to be installed on unreel with wrap-up on the roller bearing speed control; The velocity of rotation of control roller bearing; With keep each constantly strip material unreel and wrap-up between strip material total length and to be positioned at about measuring unit two sections length consistent with sagging height, when the scroll wheel of strip material continuously and smoothly through said measuring unit, described force sensor is sent to computer unit with the instantaneous pressure data of the strip material generation of being passed through; Computer unit record pressure data, and according to difference pressure data output pressure variation oscillogram constantly.
3. the method for harmless continuous detecting strip material density uniformity as claimed in claim 2; It is characterized in that: in computer equipment, set in advance this strip material upper limit of pressure value and lower limit that force sensor produced; When pressure exceeds higher limit or is lower than lower limit, send the even alerting signal of density unevenness.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210250567.5A CN102735581B (en) | 2012-07-19 | 2012-07-19 | Device and method for lossless and continuous detection of density uniformity of belt-shaped material |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210250567.5A CN102735581B (en) | 2012-07-19 | 2012-07-19 | Device and method for lossless and continuous detection of density uniformity of belt-shaped material |
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| CN102735581A true CN102735581A (en) | 2012-10-17 |
| CN102735581B CN102735581B (en) | 2014-03-26 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2250435A5 (en) * | 1973-07-13 | 1975-05-30 | Henry Et Cie S A | Balance to monitor density of expanded beads - by continually weighing set volumes of sample pellets |
| EP0052292A1 (en) * | 1980-11-17 | 1982-05-26 | Heinz-Theo Dipl.-Ing. Walbröhl | Process and device for advancing a slidable shuttering |
| US4957543A (en) * | 1989-06-16 | 1990-09-18 | Inco Limited | Method of forming nickel foam |
| CN1099480A (en) * | 1993-01-21 | 1995-03-01 | 中国原子能科学研究院 | Method for nondestructive testing density homogeneous degree of blasting fuse powder |
| CN201262621Y (en) * | 2008-09-12 | 2009-06-24 | 秦皇岛烟草机械有限责任公司 | Detector for incasement slice smoke density deviation rate through ionising radiation method |
-
2012
- 2012-07-19 CN CN201210250567.5A patent/CN102735581B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2250435A5 (en) * | 1973-07-13 | 1975-05-30 | Henry Et Cie S A | Balance to monitor density of expanded beads - by continually weighing set volumes of sample pellets |
| EP0052292A1 (en) * | 1980-11-17 | 1982-05-26 | Heinz-Theo Dipl.-Ing. Walbröhl | Process and device for advancing a slidable shuttering |
| US4957543A (en) * | 1989-06-16 | 1990-09-18 | Inco Limited | Method of forming nickel foam |
| CN1099480A (en) * | 1993-01-21 | 1995-03-01 | 中国原子能科学研究院 | Method for nondestructive testing density homogeneous degree of blasting fuse powder |
| CN201262621Y (en) * | 2008-09-12 | 2009-06-24 | 秦皇岛烟草机械有限责任公司 | Detector for incasement slice smoke density deviation rate through ionising radiation method |
Non-Patent Citations (1)
| Title |
|---|
| 胡晓鹏 等: "泡沫镍面密度微机测控装置", 《电子测量技术》, no. 5, 31 December 2004 (2004-12-31), pages 59 - 61 * |
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| CN102735581B (en) | 2014-03-26 |
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