CN201127964Y - Follow-up riding wheel measurement control device - Google Patents
Follow-up riding wheel measurement control device Download PDFInfo
- Publication number
- CN201127964Y CN201127964Y CNU2007200163269U CN200720016326U CN201127964Y CN 201127964 Y CN201127964 Y CN 201127964Y CN U2007200163269 U CNU2007200163269 U CN U2007200163269U CN 200720016326 U CN200720016326 U CN 200720016326U CN 201127964 Y CN201127964 Y CN 201127964Y
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- Prior art keywords
- riding wheel
- support roller
- steel material
- follow
- support
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- 238000005259 measurement Methods 0.000 title claims abstract description 7
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 42
- 239000010959 steel Substances 0.000 claims abstract description 42
- 239000000463 material Substances 0.000 claims abstract description 41
- 230000008859 change Effects 0.000 claims abstract description 10
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910052802 copper Inorganic materials 0.000 claims abstract description 9
- 239000010949 copper Substances 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims abstract description 9
- 238000006073 displacement reaction Methods 0.000 claims description 13
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N ferric oxide Chemical compound O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012821 model calculation Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
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Abstract
The utility model discloses a follow-up riding wheel measurement control device. The method comprises the following steps: a base horizontally arranged on the machine tool body and vertical to the feeding direction of the steel material, and a speed change gear box with an input shaft connected with the shaft of the servo motor through a key; the device comprises a rotating pair consisting of a T-shaped nut and a lead screw, wherein the T-shaped nut is fixedly connected with a sliding disc, one end of the lead screw is connected with a machine base through a copper shaft sleeve, the other end of the lead screw penetrates through the copper shaft sleeve and is connected with a gear key of a speed change gear box, a riding wheel base fixed on the sliding disc, a riding wheel rotatably arranged on the riding wheel base through a riding wheel shaft, the sliding disc connected with the machine base through the rotating pair, a rotary encoder arranged at the coaxial position at the tail part of a servo motor and connected with a counting module, and an analog quantity output module arranged in a computer. Adopt the utility model discloses can eliminate the moment of torsion that the riding wheel produced the steel material, provide satisfied control accuracy, provide reliable guarantee for going on smoothly of production.
Description
Technical field
The utility model relates to the curved technology of quenching of steel material, specifically a kind ofly can be used for the follow-up riding wheel measuring and controlling that steel material heating in medium frequency bends lathe.
Background technology
Steel material bent quenched machine is present domestic mechanical, electrical, liquid integrated numerical control machine tool.Follow-up riding wheel is the important component part of this lathe as steel material supporting mechanism.The quality of its control directly has influence on the quality of steel material processing.At present existing machine adopted is that fixedly support roller adds preceding support wheel in the thermal bending deformation as the steel material, because the steel material is in the heating bending deformation process, the curvature of steel material is in always in the change procedure, therefore, fixedly the position of support roller and steel material contact point changes along with the variation of steel material curvature, and the steel material majority that is used to process all is the T steel material, the mode that therefore can only adopt the bulb position of steel material to contact with fixing support roller, but this supporting way can produce a moment of torsion to the steel material, make the steel material helix-deformed easily, thereby influenced the machining accuracy of steel material.
The utility model content
The purpose of this utility model is to propose a kind of support roller of eliminating to the moment of torsion that the steel material produces, and the follow-up riding wheel measuring and controlling of satisfied control accuracy is provided.
The technical solution of the utility model comprises:
One support, level is installed on the bed piece, and vertical with the direction of feed of steel material;
One change gear box, its power shaft links to each other with the axle of servomotor by key;
One revolute is made up of T-nut and leading screw, and wherein T-nut and sliding plate are connected and are socketed on the screw thread of leading screw; Leading screw one end is connected with support through the copper axle sleeve, and the other end passes the copper axle sleeve and is connected with the gear key of change gear box; Be used for rotatablely moving of leading screw become the rectilinear motion of T-nut;
One support roller base is fixed on the sliding plate;
One support roller is rotatably installed on the support roller base through supporting-roller shaft;
One sliding plate is connected with support by revolute;
One rotary encoder is installed in the coaxial position of servomotor afterbody, is used to measure the physical location of follow-up riding wheel;
One counting module is installed in the industrial computer, links to each other with rotary encoder;
One analog output module is installed in the computer, converts the control signal of calculating the support roller displacement of gained to voltage signal and delivers in the motor servo driver.
Operation principle: the interior radius of circle that detects the steel material of processing by the curvature measurement device on the lathe (referring to that inside is equipped with the rotary encoder of transmitter), it is curvature value, curvature value according to the steel material calculates follow-up riding wheel position set-point, the current location value of feedback that records with rotary encoder compares, and the deviation that obtains after relatively is used for the control to the follow-up riding wheel displacement.Described counting module is inserted on the interior expansion slot of computer, is connected by the transmitter of DB25 interface with rotary encoder inside.
The utlity model has following advantage:
1. the utility model adopts computer closed loop control, servo-drive to realize the displacement servo-actuated control of support roller, and the mode that contacts with steel material web of employing, thereby eliminated the moment of torsion that support roller produces the steel material, and can provide satisfied control accuracy, providing reliable guarantee smoothly for what produce, is a kind of solution of new support roller working method.
2. apparatus structure described in the utility model is simple, measure easy to use, certainty of measurement height (measure error dR=± 1mm).
3. adopt the utility model can realize the quick servo-actuated control of support roller.
Description of drawings
Fig. 1 is the utility model apparatus structure schematic diagram.
Fig. 2 is the utility model schematic diagram.
Fig. 3 is the utility model calculation procedure flow chart.
The specific embodiment
Describe the utility model in detail below in conjunction with following examples and accompanying drawing.
As shown in Figure 2, the utility model utilizes radius of a circle R1 in the known steel material, calculates the radius R value at tapping material center line place.Calculate the displacement set-point X of follow-up riding wheel then
GivenThe displacement set-point X of described follow-up riding wheel
GivenComputing formula be: X
Given=R-SQRT (R
2-L
2).Utilize known steel material 1/2nd chord length L values again, can calculate the set-point X of displacement
GivenCount signal by the rotary encoder that is built in drive motors provides calculates the displacement feedback value X by control program
Feedback, displacement calculating amount error e=X then
Given-X
Feedback
As shown in Figure 3, described control program flow process is: initiation parameter at first: 1/2nd chord length L=1000mm, and the every circle umber of pulse of rotary encoder m=1000, steel material width H=250mm, gear reduction ratio k=1: 25, leading screw pitch s=8mm; Read in radius of circle R1=3000mm in the steel material (the radius of circle value is recorded by the curvature detecting sensor that is contained on this lathe in the steel material) then, calculate steel material radius of central line value R=R1+H/2=3125mm then, calculate the displacement set-point X of support roller thus
Given=R-SQRT (R
2-L
2)=164.3; Then read in rotary encoder count value CNT (count value of the 1st passage on the counting module); Convert rotary encoder count value CNT to follow-up riding wheel central point displacement X
Feedback=k*s*CNT/m; Displacement calculating amount error e=X
Given-X
FeedbackAccording to displacement error e and digital PID parameter value calculation controlled quentity controlled variable u and output, controlled quentity controlled variable u converts to-voltage signal of 10v～10v and output to motor servo driver through analog output module, and support roller moves thereby motor servo driver drives servomotor rotation control.When support roller moves to given position, X
GivenWith X
FeedbackValue equates that this time error is zero, and support roller stops to move.As continue to measure and then return radius of curvature measurement value R1, otherwise termination routine.
The utility model device, as shown in Figure 1, by support roller base 1, support 2, change gear box 3, servomotor 4, leading screw 5, sliding plate 6, T-nut 7, support roller 8, copper axle sleeve 9, rotary encoder, be installed in the analog output module in the industrial computer, the counting module that is installed in the industrial computer is formed, wherein support 2 levels are installed on the bed piece and are vertical with the direction of feed of steel material, sliding plate 6 levels are installed on the support 2,7 of T-nuts are fixed on the sliding plate 6 and are socketed on the leading screw 5, sliding plate 6 converts the rotation of leading screw 5 to and moves horizontally, support roller base 1 then is fixed on the sliding plate 6, can move with sliding plate, support roller 8 is installed on the support roller base 1; Leading screw 5 one ends are connected with support 2 through copper axle sleeve 9, the other end passes copper axle sleeve 9 and is connected by key with the gear of change gear box 3, the power shaft of change gear box 3 links to each other by the output shaft of key with servomotor 4, at servomotor 4 afterbody coaxial positions rotary encoder is installed, is used to measure the physical location of follow-up riding wheel.The transmitter of rotary encoder inside links to each other with counting module through the DB25 interface.Described counting module has the plus-minus counting function, is inserted on the industrial computer isa bus expansion slot.
See its course of work by the utility model structure:
The control target of this follow-up riding wheel is when steel material radius changes, the position of rapid adjustment support roller, the center that guarantees support roller is consistent with steel material center line all the time, could play the effect of support so reliably, if adjust untimely, the bulb position of steel material and the support of support roller collision or steel material disengaging support roller just may occur, thereby influence the flatness of the radius and the steel material of steel material.
When the interior radius of circle of steel material changes, detect radius of a circle value in the steel material by the curvature detecting sensor that is contained on this lathe, calculate the positional value of support roller by computer program, position set-point as follow-up riding wheel, by the current location that is contained in the rotary encoder detection support roller on the servo motor shaft, and the current location of support roller delivered to counting module in the computer, value of feedback as the support roller position, deduct the difference of set-point as error by value of feedback, adopt Digital PID Controller to calculate required controlled quentity controlled variable u, and by being installed in analog output module output controlled quentity controlled variable u in the computer to motor servo driver, drive servomotor by motor servo driver, servomotor drives the leading screw rotation, rotatablely moving of leading screw converts the rectilinear motion of T-nut 7 and support roller base to, so the support roller base drives the support roller moving linearly, when support roller arrives given position, the value of feedback of support roller position equates with support roller position set-point, at this moment the error of position closed loop system is zero, and support roller stops.Like this, when each steel material radius value changed, the position that can both adjust support roller fast was to the center line of steel material.
The utility model installs counting module additional at expanded slot of computer and detects umber of pulse, and described counting module adopts PCL-833 (Hua company is ground in Taiwan), and it is 3 channel pulse input modules, and can add/subtract counting, and interface shape is DB25.Rotary encoder links to each other with the DB25 mouth of PCL-833 card, and rotary encoder connects the 1st passage.
Rotary encoder: LEC-200-BM-G05D, Changchun No.1 optical Instrument Plant production.
Claims (3)
1. follow-up riding wheel measuring and controlling is characterized in that comprising:
One support (2), level is installed on the bed piece, and vertical with the direction of feed of steel material;
One change gear box (3), its power shaft links to each other with the axle of servomotor (4) by key;
One revolute is made up of T-nut (7) and leading screw (5), and wherein T-nut (7) is connected with sliding plate (6) and is socketed on the screw thread of leading screw (5); Leading screw (5) one ends are connected with support (2) through copper axle sleeve (9), and the other end passes copper axle sleeve (9) and is connected with the gear key of change gear box (3); Be used for rotatablely moving of leading screw become the rectilinear motion of T-nut;
One support roller base (1) is fixed on the sliding plate (6);
One support roller (8) is rotatably installed on the support roller base (1) through supporting-roller shaft;
One sliding plate (6) is connected with support (2) by revolute;
One rotary encoder is installed in the coaxial position of servomotor (4) afterbody, is used to measure the physical location of follow-up riding wheel;
One counting module is installed in the industrial computer, links to each other with rotary encoder;
One analog output module is installed in the computer, converts the control signal of calculating the support roller displacement of gained to voltage signal and delivers in the motor servo driver.
2. press the isolated plant of the described follow-up riding wheel measurement control method of claim 1, it is characterized in that: described rotary encoder inside is equipped with transmitter, be used for converting the actual position signal of support roller to the TTL square-wave pulse signal, transmitter links to each other with counting module through the DB25 interface.
3. by the isolated plant of the described follow-up riding wheel measurement control method of claim 2, it is characterized in that: described counting module is the counting module with plus-minus counting function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200163269U CN201127964Y (en) | 2007-11-30 | 2007-11-30 | Follow-up riding wheel measurement control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200163269U CN201127964Y (en) | 2007-11-30 | 2007-11-30 | Follow-up riding wheel measurement control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201127964Y true CN201127964Y (en) | 2008-10-08 |
Family
ID=40015790
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200163269U Expired - Fee Related CN201127964Y (en) | 2007-11-30 | 2007-11-30 | Follow-up riding wheel measurement control device |
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| Country | Link |
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| CN (1) | CN201127964Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101452293B (en) * | 2007-11-30 | 2010-10-13 | 中国科学院沈阳自动化研究所 | Follow-up riding wheel measurement control method and special equipment thereof |
| CN102861800A (en) * | 2012-09-14 | 2013-01-09 | 太原泰立机电新技术有限公司 | Servo adjusting device |
| CN101770241B (en) * | 2008-12-30 | 2013-04-10 | 中国神华能源股份有限公司 | Motion control system and motion control method |
-
2007
- 2007-11-30 CN CNU2007200163269U patent/CN201127964Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101452293B (en) * | 2007-11-30 | 2010-10-13 | 中国科学院沈阳自动化研究所 | Follow-up riding wheel measurement control method and special equipment thereof |
| CN101770241B (en) * | 2008-12-30 | 2013-04-10 | 中国神华能源股份有限公司 | Motion control system and motion control method |
| CN102861800A (en) * | 2012-09-14 | 2013-01-09 | 太原泰立机电新技术有限公司 | Servo adjusting device |
| CN102861800B (en) * | 2012-09-14 | 2015-01-21 | 太原泰立机电新技术有限公司 | Servo adjusting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081008 Termination date: 20111130 |