CN103433555B - Pneumatic pinch speed measuring device - Google Patents
Pneumatic pinch speed measuring device Download PDFInfo
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- CN103433555B CN103433555B CN201310371619.9A CN201310371619A CN103433555B CN 103433555 B CN103433555 B CN 103433555B CN 201310371619 A CN201310371619 A CN 201310371619A CN 103433555 B CN103433555 B CN 103433555B
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- roller
- speed
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- shaft
- lower slider
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Abstract
The invention discloses a kind of pneumatic pinch speed measuring device in Welded tube production apparatus field, comprise encoder, the power shaft of encoder is connected with lower roller shaft, lower roller shaft is fixedly installed the roller that tests the speed, power shaft and the lower roller shaft of encoder are horizontally disposed with, described lower roller shaft is arranged on lower slider rotationally, frame is connected with through base and is parallel to each other and the upright guide pillar arranged, described lower slider is slidably connected on guide pillar, guide pillar is positioned at above lower slider and slidably connects upper saddle, upper saddle is connected with roll shaft, upper roll shaft is connected with pressure roller rotationally, described pressure roller is corresponding with the roller that tests the speed to be arranged, the cylinder body of described upper saddle and clamping cylinder fixes, the piston rod external part of clamping cylinder fixes through connector and lower slider, the axis of described clamping cylinder parallels with guide pillar axis.This invention removes steel pipe to beat on the impact of producing of testing the speed, make to test the speed more accurate.This device is applicable on continuous welded pipe product line.
Description
Technical field
The present invention relates to a kind of Welded tube production equipment, the speed measuring device particularly on continuous welded tube production equipment.
Background technology
Existing continuous welded pipe product line, include the discharging frame, storage device, feeding straightening mechanism, roller pressing forming machine, straight seam welding device, cast-cutting saw and the doffer that set gradually, during its work, coil of strip is fixed on discharging frame, steel heading end sends into straightening mechanism smoothing through storage device, then to enter roller pressing forming machine successively shaping for steel band, become tubulose, through welder, pipe seam is welded again, after alignment shaping, followed the tracks of by cast-cutting saw and cut off, then drop on doffer, above technique completes all continuously.In this process, Welded Pipe speed of production and length is needed to measure, there is a kind of device for Welded tube production tachometric survey at present, its structure includes encoder, the power shaft of encoder is connected with the roll shaft that tests the speed, test the speed on roll shaft and be fixed with the roller that tests the speed, the roll shaft that tests the speed is installed in rotation on holder, is provided with spring and conflicts on holder bottom holder.During work, continuously shaped steel pipe is pressed in from the top down and tests the speed on roller, and spring then keeps certain decrement, and make to test the speed roller and steel pipe can stick together, maintain certain pressure between the two, now, during steel pipe rectilinear movement, the roller that tests the speed rotates, encoder power shaft is driven to rotate, by encoder, signal feedback is obtained rate signal to PLC, PLC through computing, for display or control.Its weak point is: test the speed between roller and steel pipe and adopt Elastic Contact, in steel pipe rectilinear movement process, due to the impulsive force in the external world or the distortion of steel pipe itself, steel pipe bob can be caused, testing the speed pressure between roller and steel pipe can constantly change, causes testing the speed not accurate enough.
Summary of the invention
The object of this invention is to provide a kind of pneumatic pinch speed measuring device, steel pipe can be eliminated and beat on the impact of testing the speed, make to test the speed more accurate.
The object of the present invention is achieved like this: a kind of pneumatic pinch speed measuring device, comprise encoder, the power shaft of encoder is connected with lower roller shaft, lower roller shaft is fixedly installed the roller that tests the speed, power shaft and the lower roller shaft of encoder are horizontally disposed with, described lower roller shaft is arranged on lower slider rotationally, frame is connected with through base and is parallel to each other and the upright guide pillar arranged, described lower slider is slidably connected on guide pillar, guide pillar is positioned at above lower slider and slidably connects upper saddle, upper saddle is connected with roll shaft, upper roll shaft is connected with pressure roller rotationally, described pressure roller is corresponding with the roller that tests the speed to be arranged, the cylinder body of described upper saddle and clamping cylinder fixes, the piston rod external part of clamping cylinder fixes through connector and lower slider, the axis of described clamping cylinder parallels with guide pillar axis.
When the present invention works, by the gap that clamping cylinder can be opened pressure roller and test the speed between roller, steel pipe is made to pass this gap, then by clamping cylinder action, pressure roller is made to clamp steel pipe with the roller that tests the speed, now, clamping cylinder, upper saddle, lower slider, the roller that tests the speed, pressure roller are all in quick condition, during steel pipe rectilinear motion, pressure roller rotates, play the guiding role, the roller that tests the speed rotates and drives encoder power shaft to rotate, then realizes testing the speed by PLC.During steel pipe rectilinear motion, as self beats, clamping cylinder, upper saddle, lower slider, the roller that tests the speed, pressure roller then can be driven to move up and down in overall, the roller that tests the speed keeps constant pressure to steel pipe, this pressure comes from clamping cylinder, the roller that makes to test the speed can abut in steel tube surface with constant pressure all the time, ensure that rate accuracy.Compared with prior art, this invention removes steel pipe and beat on the impact of producing of testing the speed, make to test the speed more accurate.This device is applicable on continuous welded pipe product line.
As a further improvement on the present invention, described guide pillar is positioned on the downside of lower slider and is provided with thread segment, on thread segment, engagement is provided with adjusting nut, is provided with spring between adjusting nut and lower slider.Spring can be conflicted on lower slider from below, plays cushioning effect, meanwhile, by the height of adjustment adjusting nut adjustable spring upper end, facilitates clamping steel pipe.
As a further improvement on the present invention, be connected between described guide pillar upper end through top board, described cylinder is arranged through top board with a gap.The setting of top board can strengthen the structural strength of guide pillar further, meanwhile, can play certain guiding and protective effect to cylinder.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the left view of Fig. 1.
Wherein, 1 clamping cylinder, 1a piston rod, 2 top boards, 3 guide pillars, 4 pressure rollers, 5 linear bearings, 6 upper saddles, 7 joints, 8 steel pipes, 9 lower sliders, 10 test the speed roller, 11 springs, 12 adjusting nuts, 13 bases, roll shaft on 14,15 lower roller shafts, 16 encoders.
Detailed description of the invention
As illustrated in fig. 1 and 2, for pneumatic pinch speed measuring device, comprise encoder 16, the power shaft of encoder 16 is connected with lower roller shaft 15, lower roller shaft 15 is fixedly installed the roller 10 that tests the speed, power shaft and the lower roller shaft 15 of encoder 16 are horizontally disposed with, lower roller shaft 15 is arranged on lower slider 9 rotationally, frame is connected with through base 13 and is parallel to each other and the upright guide pillar 3 arranged, described lower slider 9 is slidably connected on guide pillar 3, guide pillar 3 is positioned at above lower slider 9 and slidably connects upper saddle 6, upper saddle 6 is connected with roll shaft 14, upper roll shaft 14 is connected with pressure roller 4 rotationally, pressure roller 4 is corresponding with the roller 10 that tests the speed to be arranged, upper saddle 6 fixes with the cylinder body of clamping cylinder 1, the piston rod 1a external part of clamping cylinder 1 fixes through connector 7 and lower slider 9, the axis of described clamping cylinder 1 parallels with guide pillar 3 axis.Described guide pillar 3 is positioned on the downside of lower slider 9 and is provided with thread segment, on thread segment, engagement is provided with adjusting nut 12, is provided with spring 11 between adjusting nut 12 and lower slider 9.Be connected through top board 2 between described guide pillar 3 upper end, described cylinder is arranged through top board 2 with a gap.For ensureing motion flexibly, upper saddle 6, to be connected through linear bearing 5 between lower slider 9 with guide pillar 3.
During work, pressure roller 4 and the roller 10 that tests the speed can be made to clamp steel pipe 8 by clamping cylinder 1, now, clamping cylinder 1, upper saddle 6, lower slider 9, the roller 10 that tests the speed, pressure roller 4 are all in quick condition, during steel pipe 8 rectilinear motion, pressure roller 4 rotates, and play the guiding role, the roller 10 that tests the speed rotates and drives encoder 16 power shaft to rotate, then realizes testing the speed by PLC.During steel pipe 8 rectilinear motion, as self beats, then can drive clamping cylinder 1, upper saddle 6, lower slider 9, the roller 10 that tests the speed, pressure roller 4 move up and down in overall, the roller 10 pairs of steel pipes 8 that test the speed keep constant pressure, this pressure comes from clamping cylinder 1, the roller 10 that makes to test the speed can abut in steel pipe 8 surface with constant pressure all the time, ensure that rate accuracy.For avoiding spring 11 to generation harmful effect of testing the speed, adjustable spring upper end height, after the steel pipe 8 made is clamped, spring 11 does not contact lower slider 9 just.
The present invention is not limited to above-described embodiment; on the basis of technical scheme disclosed by the invention; those skilled in the art is according to disclosed technology contents; do not need performing creative labour just can make some to some technical characteristics wherein to replace and distortion, these are replaced and are out of shape all in protection scope of the present invention.
Claims (2)
1. a pneumatic pinch speed measuring device, comprise encoder, the power shaft of encoder is connected with lower roller shaft, lower roller shaft is fixedly installed the roller that tests the speed, power shaft and the lower roller shaft of encoder are horizontally disposed with, described lower roller shaft is arranged on lower slider rotationally, it is characterized in that: frame is connected with through base and is parallel to each other and the upright guide pillar arranged, described lower slider is slidably connected on guide pillar, guide pillar is positioned at above lower slider and slidably connects upper saddle, upper saddle is connected with roll shaft, upper roll shaft is connected with pressure roller rotationally, described pressure roller is corresponding with the roller that tests the speed to be arranged, the cylinder body of described upper saddle and clamping cylinder fixes, the piston rod external part of clamping cylinder fixes through connector and lower slider, the axis of described clamping cylinder parallels with guide pillar axis, described guide pillar is positioned on the downside of lower slider and is provided with thread segment, on thread segment, engagement is provided with adjusting nut, is provided with spring between adjusting nut and lower slider.
2. pneumatic pinch speed measuring device according to claim 1, is characterized in that: be connected through top board between described guide pillar upper end, and described cylinder is arranged through top board with a gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310371619.9A CN103433555B (en) | 2013-08-23 | 2013-08-23 | Pneumatic pinch speed measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310371619.9A CN103433555B (en) | 2013-08-23 | 2013-08-23 | Pneumatic pinch speed measuring device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103433555A CN103433555A (en) | 2013-12-11 |
| CN103433555B true CN103433555B (en) | 2016-04-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310371619.9A Active CN103433555B (en) | 2013-08-23 | 2013-08-23 | Pneumatic pinch speed measuring device |
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| CN (1) | CN103433555B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201257614Y (en) * | 2008-09-17 | 2009-06-17 | 河北科技大学 | Photoelectric encoder type speed measurement apparatus |
| CN102371392A (en) * | 2011-07-29 | 2012-03-14 | 上海先德机械工程有限公司 | High-speed precise online numerical-control milling machine and control method thereof |
| CN203210116U (en) * | 2013-05-10 | 2013-09-25 | 天津市泊鹤钢铁有限公司 | Double-roller speed measuring machine |
| CN203448777U (en) * | 2013-08-23 | 2014-02-26 | 江苏省南扬机械制造有限公司 | Pneumatic clamping speed measuring device |
-
2013
- 2013-08-23 CN CN201310371619.9A patent/CN103433555B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201257614Y (en) * | 2008-09-17 | 2009-06-17 | 河北科技大学 | Photoelectric encoder type speed measurement apparatus |
| CN102371392A (en) * | 2011-07-29 | 2012-03-14 | 上海先德机械工程有限公司 | High-speed precise online numerical-control milling machine and control method thereof |
| CN203210116U (en) * | 2013-05-10 | 2013-09-25 | 天津市泊鹤钢铁有限公司 | Double-roller speed measuring machine |
| CN203448777U (en) * | 2013-08-23 | 2014-02-26 | 江苏省南扬机械制造有限公司 | Pneumatic clamping speed measuring device |
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| Publication number | Publication date |
|---|---|
| CN103433555A (en) | 2013-12-11 |
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