CN204769890U - rolling mill roll gap measuring device - Google Patents
rolling mill roll gap measuring device Download PDFInfo
- Publication number
- CN204769890U CN204769890U CN201520444171.3U CN201520444171U CN204769890U CN 204769890 U CN204769890 U CN 204769890U CN 201520444171 U CN201520444171 U CN 201520444171U CN 204769890 U CN204769890 U CN 204769890U
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- China
- Prior art keywords
- encoder
- driving wheels
- wheel
- leading screw
- square
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 238000005096 rolling process Methods 0.000 title claims abstract description 16
- 238000005259 measurement Methods 0.000 claims abstract description 19
- 239000000428 dust Substances 0.000 claims abstract description 14
- 230000001681 protective effect Effects 0.000 claims abstract description 14
- 238000001514 detection method Methods 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 abstract description 2
- 238000006073 displacement reaction Methods 0.000 abstract description 2
- 239000010959 steel Substances 0.000 abstract description 2
- 101100408454 Arabidopsis thaliana PLC6 gene Proteins 0.000 description 3
- 101100408456 Arabidopsis thaliana PLC8 gene Proteins 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
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- Rolling Contact Bearings (AREA)
Abstract
The utility model provides a rolling mill roll gap measuring device, which comprises a rolling mill screw, a PLC, a four-wheel mechanism, a square shaft, a screw protective cover, a bearing seat, a torque bracket, an encoder and a dust cover; the four-wheel mechanism comprises a mechanism body, driving wheels, wheel shafts and needle roller bearings, the four-wheel mechanism is fixed to the top end of the screw rod, square shafts are arranged between the four driving wheels of the four-wheel mechanism, encoders are arranged on the upper portions of the square shafts, bearing seats are arranged in the middle of the square shafts, and the encoders are connected with the PLC. The four driving wheels of the four-wheel mechanism are driven to rotate when the screw is pressed down to rotate and ascend, the driving wheels enable the encoder to rotate through the square shaft, the encoder detects and transmits pulse signals to the PLC, the PLC converts the vertical displacement of the screw according to the rotation angle, and the rolling mill pressing roll gap value is accurately measured. The utility model discloses measurement accuracy is high, and the fault rate is low, can improve rolling precision and steel sheet surface quality, satisfies heavy and medium plate mill roll gap measurement needs under the big vibration condition, ensures equipment high accuracy ground steady operation.
Description
Technical field
The utility model belongs to mechanical equipment of steel rolling field, particularly relates to a kind of measurement mechanism for mill roll-gap.
Background technology
At present, domestic mill roll-gap measuring mechanism is generally measured with magnetic scale, transmission mechanism is that linear pattern moves up and down, though mechanism is simple, certainty of measurement is high, but to the rigidity of milling train and mechanical erection required precision high, in rolling process, rolling mill vibration is large, easily causes magnetic scale to damage, thus make measurement numerical value inaccurate, directly affect control accuracy and product quality.Also have part mill roll-gap measurement mechanism to be made up of worm and gear and encoder, this kind of metering system because of transmission mechanism many, the gap between various parts is large, causes roll gap certainty of measurement low, low-response, cannot meet control accuracy needs.
Summary of the invention
The utility model aims to provide that a kind of structure is simple, and certainty of measurement is high, failure rate is low, can meet the measurement mechanism that heavy and medium plate mill roll gap under large vibration condition measures needs.
For reaching this object, the utility model takes following technical solution:
A kind of mill roll-gap measurement mechanism, comprises rolling mill screwdown leading screw and PLC, it is characterized in that, set up four wheel mechanism, square shaft, leading screw protective cover, bearing block, moment of torsion support, encoder and dust cover; Four wheel mechanism comprises mechanism body, driving wheel, wheel shaft and needle bearing, mechanism body is bolted on the pressure leading screw top being provided with square shaft hole, four taper driving wheels are relative to be between two installed on four "T"-shaped wheel shafts respectively by needle bearing, and wheel shaft is threaded connection in mechanism body; Four taper driving wheels form a square hole, are inserted in square hole in the middle part of square shaft, and the square shaft be positioned at below square hole stretches in pressure leading screw square shaft hole; The square shaft top be positioned at above square hole is set with encoder, middle part is provided with bearing block, and bearing block is fixed in leading screw protective cover centre bore, and leading screw protective cover is bolted on mill housing, encoder is supported fixing by moment of torsion support, encoder connects PLC by high-temperature cable; Above encoder, be provided with dust cover, dust cover is fixed by bolts to above leading screw protective cover.
In described four driving wheels relatively, a side of two taper driving wheels is respectively with a circle fin, and a side of another two taper driving wheels is respectively with a circle groove.
In described four driving wheels be installed on wheel shaft, have outside the needle bearing of two driving wheels and compression butterfly spring is installed.
Described moment of torsion carriage support is made up of trailing arm, spherical hinge, connecting rod and bearing pin, and horizontally disposed trailing arm one end connects encoder, and the other end is connected with connecting rod by spherical hinge, and the connecting rod other end is fixed on dust cover by bearing pin.
Described encoder adopts German Hope to receive heavy load mode encoder, and its accuracy of detection is 0.01mm.
Roll gap measuring method of the present utility model and beneficial effect are:
When rolling mill screwdown rolling or when lifting in roller process, pressure leading screw realizes moving downward or upward by rotating, be fixed on the four wheel mechanism on pressure leading screw top while rotating along with pressure leading screw and moving downward or upward, pressure leading screw drives four driving wheels in four wheel mechanism to rotate by friction, the driving wheel rotated orders about middle square shaft and rotates, the square shaft rotated makes the decoders-Synchronous in portion mounted thereto rotate, encoder detects the anglec of rotation immediately, and by high-temperature cable by detect anglec of rotation pulse signal transmission to PLC, PLC setting program converses the vertical displacement amount of pressure leading screw according to the anglec of rotation, draw the distance that roll vertical direction is moved downward or upward, thus accurately measure rolling mill screwdown gap values between rollers.
The utility model apparatus structure is simple, certainty of measurement is high, failure rate is low, rolling and control accuracy can be improved, enhance productivity, reduce accident rate, under meeting large vibration condition, heavy and medium plate mill roll gap measures needs, guarantee equipment stable operation accurately, be conducive to improving plate surface quality, meet customer need.
Accompanying drawing explanation
Fig. 1 is mill roll-gap measurement mechanism installment state profile;
Fig. 2 is the A-A sectional view of Fig. 1;
Fig. 3 is the horizontal part sectioned view of four wheel mechanism.
In figure: pressure leading screw 1, leading screw protective cover 2, four wheel mechanism 3, square shaft 4, bearing block 5, moment of torsion support 6, encoder 7, PLC8, dust cover 9, mill housing 10, trailing arm 11, spherical hinge 12, connecting rod 13, bearing pin 14, mechanism body 15, needle bearing 16, driving wheel 17, butterfly spring 18, wheel shaft 19.
Detailed description of the invention
The utility model mill roll-gap measurement mechanism, is on the basis of original rolling mill screwdown leading screw 1 and PLC8, has set up leading screw protective cover 2, four wheel mechanism 3, square shaft 4, bearing block 5, moment of torsion support 6, encoder 7 and dust cover 9.
Four wheel mechanism 3 comprises mechanism body 15, four pairs of needle bearings 16, four driving wheels 17, two pairs of butterfly springs 18 and four wheel shafts 19.Be provided with square shaft hole in the middle of pressure leading screw 1, driving wheel 17 is conical indentation wheel, and wheel shaft 19 is in "T"-shaped, anterior with one section of external screw thread; Mechanism body 15 is bolted on the top of pressure leading screw 1, four driving wheels 17 are installed on four wheel shafts 19 between two relatively, needle bearing 16 is inlayed outside driving wheel 17, wherein have outside the needle bearing 16 of two driving wheels 17 and compression butterfly spring 18 is also installed, to make driving wheel 17 and square shaft 4 close contact, wheel shaft 19 is threaded connection in mechanism body 15.Four taper driving wheels 17 form a square hole, and the middle part of square shaft 4 is inserted in square hole, and the square shaft 4 be positioned at below square hole stretches into the square shaft hole at pressure leading screw 1; Square shaft 4 top be positioned at above square hole is set with encoder 7, and middle part is provided with bearing block 5, and bearing block 5 is fixed in the centre bore of leading screw protective cover 2, and bearing block 5 both can avoid the play up and down of square shaft 4, can prevent again the swing of square shaft 4, guarantees square shaft 4 at right angle setting.Above encoder 7, be provided with dust cover 9, dust cover 9 is fixed by bolts to above leading screw protective cover 2, and leading screw protective cover 2 is bolted on mill housing 10.
Encoder 7 supports fixing by moment of torsion support 6, moment of torsion support 6 is be made up of trailing arm 11, spherical hinge 12, connecting rod 13 and bearing pin 14, horizontally disposed trailing arm 11 one end connects encoder 7, the other end is connected with connecting rod 13 by spherical hinge 12, and the other end of connecting rod 13 is fixed on dust cover 9 by bearing pin 14.Encoder 7 connects PLC8 by high-temperature cable, encoder adopts German Hope to receive heavy load mode encoder, its accuracy of detection is 0.01mm, encoder 7 inside is metal dish detecting element, strong shock resistance, life cycle is long, can guarantee the stable operation of rolling mill screwdown control system, meets the precision needs of milling train to press down system.
Meanwhile, for reducing contact surface, to reduce friction, in relative four driving wheels 17, a side of two taper driving wheels 17 is respectively with a circle fin, and a side of another two taper driving wheels 17 is respectively with a circle groove.
Claims (5)
1. a mill roll-gap measurement mechanism, comprises rolling mill screwdown leading screw and PLC, it is characterized in that, sets up four wheel mechanism, square shaft, leading screw protective cover, bearing block, moment of torsion support, encoder and dust cover; Four wheel mechanism comprises mechanism body, driving wheel, wheel shaft and needle bearing, mechanism body is bolted on the pressure leading screw top being provided with square shaft hole, four taper driving wheels are relative to be between two installed on four "T"-shaped wheel shafts respectively by needle bearing, and wheel shaft is threaded connection in mechanism body; Four taper driving wheels form a square hole, are inserted in square hole in the middle part of square shaft, and the square shaft be positioned at below square hole stretches in pressure leading screw square shaft hole; The square shaft top be positioned at above square hole is set with encoder, middle part is provided with bearing block, and bearing block is fixed in leading screw protective cover centre bore, and leading screw protective cover is bolted on mill housing, encoder is supported fixing by moment of torsion support, encoder connects PLC by high-temperature cable; Above encoder, be provided with dust cover, dust cover is fixed by bolts to above leading screw protective cover.
2. mill roll-gap measurement mechanism according to claim 1, is characterized in that, in described four driving wheels relatively, a side of two taper driving wheels is respectively with a circle fin, and a side of another two taper driving wheels is respectively with a circle groove.
3. mill roll-gap measurement mechanism according to claim 1, is characterized in that, described in be installed on wheel shaft four driving wheels, have to be provided with outside the needle bearing of two driving wheels and compress butterfly spring.
4. mill roll-gap measurement mechanism according to claim 1, it is characterized in that, described moment of torsion carriage support is made up of trailing arm, spherical hinge, connecting rod and bearing pin, horizontally disposed trailing arm one end connects encoder, the other end is connected with connecting rod by spherical hinge, and the connecting rod other end is fixed on dust cover by bearing pin.
5. mill roll-gap measurement mechanism according to claim 1, is characterized in that, described encoder adopts German Hope to receive heavy load mode encoder, and its accuracy of detection is 0.01mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520444171.3U CN204769890U (en) | 2015-06-26 | 2015-06-26 | rolling mill roll gap measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520444171.3U CN204769890U (en) | 2015-06-26 | 2015-06-26 | rolling mill roll gap measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204769890U true CN204769890U (en) | 2015-11-18 |
Family
ID=54510017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520444171.3U Expired - Fee Related CN204769890U (en) | 2015-06-26 | 2015-06-26 | rolling mill roll gap measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204769890U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106370217A (en) * | 2016-09-05 | 2017-02-01 | 安徽理工大学 | Intelligent protective cover of precise detection equipment of pre-mixed abrasive equipment |
| CN110465550A (en) * | 2019-08-17 | 2019-11-19 | 中铝瑞闽股份有限公司 | A kind of processing method for the roll gap measuring signal that aluminium alloy cold rolling is reliable and stable |
-
2015
- 2015-06-26 CN CN201520444171.3U patent/CN204769890U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106370217A (en) * | 2016-09-05 | 2017-02-01 | 安徽理工大学 | Intelligent protective cover of precise detection equipment of pre-mixed abrasive equipment |
| CN110465550A (en) * | 2019-08-17 | 2019-11-19 | 中铝瑞闽股份有限公司 | A kind of processing method for the roll gap measuring signal that aluminium alloy cold rolling is reliable and stable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151118 Termination date: 20210626 |