CN105269076A - Head control method for plate blank deburring machine - Google Patents
Head control method for plate blank deburring machine Download PDFInfo
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- CN105269076A CN105269076A CN201410304765.4A CN201410304765A CN105269076A CN 105269076 A CN105269076 A CN 105269076A CN 201410304765 A CN201410304765 A CN 201410304765A CN 105269076 A CN105269076 A CN 105269076A
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- deburring
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Abstract
The invention discloses a head control method for a plate blank deburring machine . Five optical gratings are arranged in the scope of the deburring machine in the operation direction of a plate blank and connected with a programmable logic controller (PLC) control system. The control method comprises the steps that the deburring machine is controlled by the PLC control system to be an automatic mode, and a head portion deburring mode is selected; in the operation process of the plate blank, when the first optical grating receives a signal, a pushing rod of the deburring machine moves downwards to a preparation position; when the plate blank is conveyed and passes through the first optical grating, the second optical grating, the third optical grating and the fourth optical grating in sequence, the signal is received, the head portion of the plate blank is detected to reach the fourth optical grating, a roller way stops, and a dreburring blade is lifted; when the deburring blade is lifted to be in place, the fifth optical grating receives the signal, and the roller way starts to rotate in the opposite direction at a low speed; when the head portion of the plate blank reaches the fifth optical grating and the signal is not detected, the pushing rod starts to operate to push the plate blank to leave the fourth optical grating, the third optical grating and the second optical grating; and when the signal is received by the first optical grating, the signals of the second optical grating, the third optical grating and the fourth optical grating disappear, and deburring of the head portion is completed. By means of the control method, the situation that a short blank can not be moved is avoided, and it can be effectively guaranteed that deburring is conducted smoothly.
Description
Technical field
The present invention relates to a kind of control method of heavy plate mill two tangent line flash trimmer.
Background technology
The female base of long steel plate that steel-making continuous casting conveying is come, according to rolling contract requirement, need to carry out secondary cut to slab, but slag burr etc. can produced in gas flame cuttiug, and the burr left over easily has an impact to the lower surface quality of rolled plate, removed by the lower surface burr of flash trimmer to slab end end to end.Existing flash trimmer detector arrangement figure, as shown in Figure 1, site layout project is provided with 3 groups of location grating LB1, LB2, LB3, i.e. 1#, 2#, 3# grating, realizes slab 1 positioning function on roller-way 2.
Existing head deburring action idiographic flow as shown in Figure 2.Shown in composition graphs 1, Fig. 2 and Fig. 3, analyze existing head deburring course of action as follows:
After step 1,1# grating LB1 detection slab 1 enters flash trimmer scope, deburring push rod 3 starts downward action, to ready position.
Namely step 2, roller-way 2 rotate forward advances by arrow F1 direction, and slab 1 is transported to 3# grating LB3 place, that is: detect that the head of slab 1 arrives.Roller-way 2 stops, and deburring blade 4 and steady pin are together upspring simultaneously, and steady pin inserts in the hole of deburring roller seat, locking Burr removing roller.
Namely step 3, roller-way 2 low speed and reverse advance by arrow F2 direction, slab 1 are transported to the position left 3# grating LB3 and detect.
Step 4, head deburring start, and push rod 3 is the head of F2 direction push pedal base 1, simultaneously roller-way 2 slow rotation backward backward.
After step 5,2# grating LB2 detect that the head of slab 1 leaves, after head deburring completes, blade and pin are regained, start scarfing cinder action, Burr removing roller rotates 180 ° and arrives the downward position of blade, and blade is regained after ejecting again, and Burr removing roller goes back to blade position upwards more subsequently.
Step 6, start afterbody deburring subsequently.After 1# grating LB1 detection slab 1 enters flash trimmer scope, deburring push rod starts downward action, to ready position.
Step 7, roller-way 2 low speed rotate forward, and slab are transported to the position that 2# grating LB2 detects, and roller-way stops, and deburring blade and steady pin are together upspring, and steady pin inserts in the hole of deburring roller seat, locking Burr removing roller.
Step 8, afterbody deburring start, roller-way 2 slow rotation forward, simultaneously the afterbody of push rod 3 push pedal base 1 forward.
After step 9,3# grating LB3 detect that the head of slab 1 leaves, after the deburring of afterbody portion completes, blade and pin are regained, start scarfing cinder action, Burr removing roller rotates 180 ° and arrives the downward position of blade, and blade is regained after ejecting again, and Burr removing roller goes back to blade position upwards more subsequently.
But in actual production, in the course of action carrying out step 3 step and step 7, sometimes because slab length is too short, and the frictional force of roller-way is little, causes slab cannot be transported to the position of specifying, and cannot complete the process of deburring.Cause the length that two tangent line flash trimmers are limited by slab always like this, deburring rate is always on the low side, and the existence of burr indirectly have impact on again the surface quality of slab.How to solve short base deburring and be a physical presence and problem anxious to be resolved.
Summary of the invention
The object of this invention is to provide a kind of Slab Deburring Machine head control method, to avoid the irremovable problem of short base occurs, thus improve automatically removing burr rate and rhythm of production.
Slab Deburring Machine head control method of the present invention, 5 gratings arranged along sheet material traffic direction in flash trimmer scope are also connected with PLC control system, and this control method comprises: controlled make flash trimmer enter automatic mode and select head deburring by PLC control system; When 1# grating receives signal in slab running, flash trimmer push rod starts downward action, to ready position; When slab be transferred receive signal to detect that slab head arrives at 4# grating place by 1# ~ 4# grating successively time, roller-way stops, deburring blade lifts; When burr blade is lifted to position, 5# grating receive signal then roller-way start low speed and reverse; When arrival 5# grating does not detect signal, then push rod starts action and is pushed to by slab and leave 4#, 3#, 2# grating; When 1# grating receives signal, the disappearance of 2# ~ 4# grating signal, head deburring completes.
It is together upspring with steady pin that deburring blade lifts, locking Burr removing roller in the hole of steady pin insertion deburring roller seat.
Head deburring completes, and blade and pin are regained and started scarfing cinder action, and Burr removing roller rotates 180 ° and arrives the downward position of blade, and blade is regained after ejecting again, and Burr removing roller goes back to blade position upwards more subsequently.
The invention has the beneficial effects as follows: by increasing the test point in flash trimmer region, and be arranged in rational position, optimize the head control sequence of deburring, thus ensure that slab can obtain the power-assisted of push rod in back off procedure, the upper table simultaneously push rod also can being avoided to drop on slab causes the accident of device damage occur thus avoid short base to move, effectively can guarantee that deburring flow process is carried out smoothly, eliminate in deburring process and flog a dead horse, improve the deburring rate of two cutting plate bases, speed production rhythm.
Accompanying drawing explanation
Fig. 1 is existing flash trimmer slab positioning detector layout drawing;
Fig. 2 is existing head deburring flow chart;
Fig. 3 is existing flash trimmer unhairing machine process schematic;
Fig. 4 is the slab detection and localization arrangements of elements figure of the Slab Deburring Machine head control method realizing one embodiment of the invention; And
Fig. 5 is the flow chart of the Slab Deburring Machine head control method of one embodiment of the invention.
Detailed description of the invention
For above-mentioned purpose of the present invention, feature and advantage can be become apparent, below in conjunction with accompanying drawing, the specific embodiment of the present invention is elaborated.First it should be noted that, the present invention is not limited to following detailed description of the invention, and the spirit that those skilled in the art should embody from following embodiment is to understand the present invention, and each technical term can do the most wide in range understanding based on Spirit Essence of the present invention.Reference numeral identical in the accompanying drawings represents identical part.
The Slab Deburring Machine head control method of one embodiment of the invention, as shown in Figure 4, first detection system is at original 3 grating R1 ~ R3 (LB1 ~ LB3 in Fig. 1 and Fig. 3, i.e. 1# ~ 3# grating) outside set up another 2 gratings R4, R5, i.e. 4#, 5# grating, is implemented by 5 gratings and Detection theory device R 1 ~ R5 and PLC control system (not shown).Arrow F1 direction in Fig. 4 is slab direct of travel, i.e. roller-way forward direction, and 5 triangular markers above roller-way face are push rod 3 display positions when diverse location.Slab 1 direction of advance installs 5 grating R1 ~ R5, R3 and R installs the both sides of cutter beam in the drawings respectively.The Slab Deburring Machine head control method of this embodiment as shown in Figure 5, comprising: make flash trimmer enter automatic mode and select head deburring; When 1# grating R1 detects that slab enters flash trimmer scope and namely receives signal in slab 1 running, flash trimmer push rod 3 starts downward action, to ready position; Be transported to 4# grating R4 and sentence when 1# ~ 4# grating R1 ~ R4 receives signal and slab 1 and detect that the head of slab 1 arrives, roller-way 2 stops, deburring blade 5 lifts, namely deburring blade 5 and steady pin (sign) are together upspring, to lock Burr removing roller (sign) in the hole of steady pin insertion deburring roller seat; When burr blade 5 lifting puts in place, 5# grating R5 receive signal then roller-way 2 start low speed and reverse; When arrival 5# grating R5 does not detect signal, i.e. 5# grating R5 blackout, then push rod 3 starts action and drops into common being pushed to by slab and leave 4#, 3#, 2# grating R4, R3, R1; When 1# grating R1 receives signal, 2# ~ 4# grating R2 ~ R4 blackout, namely after 2# grating R2 detects that slab head leaves, and 1# grating R1 detects slab head, and head deburring completes.Head deburring completes, and blade and pin are regained, and start scarfing cinder action, and Burr removing roller rotates 180 ° and arrives the downward position of blade, and blade is regained after ejecting again, and Burr removing roller goes back to blade position upwards more subsequently.
From the above-mentioned explanation to one embodiment of the invention, the present invention increases by 2 new Detection theory devices on the basis of existing Detection theory device and grating, totally 5 groups, as shown in Figure 4, and in the PLC control system that signal is accessed, by judging slab head position, push rod is selected whether to drop into, optimize deburring head control flow, thus avoid short base to move, improve automatically removing burr rate and rhythm of production.
Below the concrete design of the present invention program is described further, so that clearer understanding objects, features and advantages of the present invention.
Why can not slab accurately stop at 3# grating place in prior art solutions? main cause is that the electric machines for roller at this place do not have band-type brake, and slab transports process due to inertia, also can change set position.This problem is unavoidable.What be short slab cannot the reason of action sometimes? this is due to little with the contact surface of roller-way, and frictional force is not enough to slab is moved.The scheme of prior art lacks effective boosting means, just drops into because push rod will be retracted into 3# grating place at slab, therefore only has a kind of means of roller-way transmission.And by newly-increased Detection theory device, change sequential, ahead of time push rod can be dropped into, ensure that the operation of slab.Why not directly change original deburring order, and Detection theory device will be increased newly, this is because slab inertia causes the distance leaving 3# grating to be unfixed, but the job area of push rod is but fixing, in order to avoid push rod pushes away in steel slab surface, in deburring process, steady pin is stressed larger, Burr removing roller is caused to rotate, the long-time stall of motor causes motor to jump electricity, deburring flow process is interrupted, therefore, the head physical location that it may be necessary slab goes to judge whether input push rod.
In sum, the present invention is by increasing the Grating examinations point in flash trimmer region, and be arranged in rational position, and optimize the head control sequence of deburring, thus ensureing that slab can obtain the power-assisted of push rod in back off procedure, the upper table simultaneously push rod also can being avoided to drop on slab causes the accident of device damage to occur.
The present invention is applicable to the improvement as heavy plate mill engineering two tangent line flash trimmer control method of metallurgical system, effectively can guarantee that deburring flow process is carried out smoothly, eliminates in deburring process and flogs a dead horse, improve the deburring rate of two cutting plate bases, speed production rhythm.
Should be understood that those skilled in the art can make various changes or modifications the present invention, and these equivalent form of values fall within the application's appended claims limited range equally after having read above-mentioned instruction content of the present invention.
Claims (3)
1. a Slab Deburring Machine head control method, it is characterized in that, 5 gratings arranged along sheet material traffic direction in flash trimmer scope are also connected with PLC control system, and this control method comprises: controlled make flash trimmer enter automatic mode and select head deburring by PLC control system; When 1# grating receives signal in slab running, flash trimmer push rod starts downward action, to ready position; When slab be transferred receive signal to detect that slab head arrives at 4# grating place by 1# ~ 4# grating successively time, roller-way stops, deburring blade lifts; When burr blade is lifted to position, 5# grating receive signal then roller-way start low speed and reverse; When arrival 5# grating does not detect signal, then push rod starts action and is pushed to by slab and leave 4#, 3#, 2# grating; When 1# grating receives signal, the disappearance of 2# ~ 4# grating signal, head deburring completes.
2. Slab Deburring Machine head control method according to claim 1, is characterized in that, it is together upspring with steady pin that deburring blade lifts, locking Burr removing roller in the hole of steady pin insertion deburring roller seat.
3. Slab Deburring Machine head control method according to claim 1 and 2, it is characterized in that, head deburring completes, blade and pin are regained and are started scarfing cinder action, Burr removing roller rotates 180 ° and arrives the downward position of blade, blade is regained after ejecting again, and Burr removing roller goes back to blade position upwards more subsequently.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410304765.4A CN105269076A (en) | 2014-06-30 | 2014-06-30 | Head control method for plate blank deburring machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410304765.4A CN105269076A (en) | 2014-06-30 | 2014-06-30 | Head control method for plate blank deburring machine |
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| Publication Number | Publication Date |
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| CN105269076A true CN105269076A (en) | 2016-01-27 |
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| CN201410304765.4A Pending CN105269076A (en) | 2014-06-30 | 2014-06-30 | Head control method for plate blank deburring machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108664048A (en) * | 2018-03-30 | 2018-10-16 | 宝钢湛江钢铁有限公司 | Slab deburring optimal control method based on momentum model |
| CN111590345A (en) * | 2020-02-26 | 2020-08-28 | 唐复和 | Auxiliary device of slab deburring machine |
Citations (5)
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|---|---|---|---|---|
| JPH06262432A (en) * | 1993-03-12 | 1994-09-20 | Toyoda Mach Works Ltd | Deburring tool |
| JPH0724633A (en) * | 1993-07-14 | 1995-01-27 | Sumitomo Metal Ind Ltd | Burr treatment of steel pipe cutting plane and its device |
| CN102589449A (en) * | 2011-01-07 | 2012-07-18 | 宝山钢铁股份有限公司 | Length measuring device of slab and measuring method |
| CN202377616U (en) * | 2011-09-05 | 2012-08-15 | 深圳市金岷江机电设备有限公司 | Deburring equipment |
| CN203170764U (en) * | 2013-02-07 | 2013-09-04 | 宝山钢铁股份有限公司 | Cold straightening machine steel plate raised head collision-prevention device |
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2014
- 2014-06-30 CN CN201410304765.4A patent/CN105269076A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06262432A (en) * | 1993-03-12 | 1994-09-20 | Toyoda Mach Works Ltd | Deburring tool |
| JPH0724633A (en) * | 1993-07-14 | 1995-01-27 | Sumitomo Metal Ind Ltd | Burr treatment of steel pipe cutting plane and its device |
| CN102589449A (en) * | 2011-01-07 | 2012-07-18 | 宝山钢铁股份有限公司 | Length measuring device of slab and measuring method |
| CN202377616U (en) * | 2011-09-05 | 2012-08-15 | 深圳市金岷江机电设备有限公司 | Deburring equipment |
| CN203170764U (en) * | 2013-02-07 | 2013-09-04 | 宝山钢铁股份有限公司 | Cold straightening machine steel plate raised head collision-prevention device |
Non-Patent Citations (1)
| Title |
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| 鲁刚等: "安钢板坯去毛刺机自动控制系统的应用及技术改进", 《黑龙江科技信息》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108664048A (en) * | 2018-03-30 | 2018-10-16 | 宝钢湛江钢铁有限公司 | Slab deburring optimal control method based on momentum model |
| CN108664048B (en) * | 2018-03-30 | 2021-03-23 | 宝钢湛江钢铁有限公司 | Slab deburring optimization control method based on momentum model |
| CN111590345A (en) * | 2020-02-26 | 2020-08-28 | 唐复和 | Auxiliary device of slab deburring machine |
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Application publication date: 20160127 |