CN107282993A - Suitable for pressing device and its condition detection method on the shaped steel of section steel sawing machine - Google Patents
Suitable for pressing device and its condition detection method on the shaped steel of section steel sawing machine Download PDFInfo
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- CN107282993A CN107282993A CN201710578608.6A CN201710578608A CN107282993A CN 107282993 A CN107282993 A CN 107282993A CN 201710578608 A CN201710578608 A CN 201710578608A CN 107282993 A CN107282993 A CN 107282993A
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- depression bar
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D47/00—Sawing machines or sawing devices working with circular saw blades, characterised only by constructional features of particular parts
- B23D47/04—Sawing machines or sawing devices working with circular saw blades, characterised only by constructional features of particular parts of devices for feeding, positioning, clamping, or rotating work
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D47/00—Sawing machines or sawing devices working with circular saw blades, characterised only by constructional features of particular parts
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Abstract
The invention discloses pressing device on a kind of shaped steel suitable for section steel sawing machine, including rotatable setting and for applying stressed depression bar to lower section cut type steel for sawing, for control depression bar be pressed against position position and lift the rocking arm switched between a position, be connected with rocking arm and for drive upper compression hydraulic cylinder that rocking arm rotated, in detection in the rodless cavity of compression hydraulic cylinder the pressing condition detecting system of oil pressure and in detection in the rod chamber of compression hydraulic cylinder oil pressure lifting status detecting system.The present invention is suitable for pressing device on the shaped steel of section steel sawing machine, it is possible to increase lifts position and is pressed against the reliability of position state-detection.Present invention also offers a kind of condition detection method of pressing device on shaped steel suitable for section steel sawing machine.
Description
Technical field
The invention belongs to metallurgical industry production equipment technical field, specifically, it is suitable to shaped steel saw the present invention relates to one kind
Pressing device and its condition detection method on the shaped steel of machine.
Background technology
At present, the section steel sawing machine that small H profile steel production line is used is disc type saw, and the disc type saw is laterally to aligning
Shaped steel (such as H profile steel, channel-section steel and angle steel) afterwards carries out sawing single or in a row, in order to prevent shaped steel (especially angle steel) from existing
Occur arch during sawing to stick up, disc type saw, which not only has, is used for the shaped steel side clamping device in shaped steel clamping sides shaped steel, also has
Have and compress pressing device on the shaped steel of shaped steel in shaped steel upper end, the state of pressing device on shaped steel need to be detected during work, main bag
Include detection shaped steel on pressing device lift a state and be pressed against position state.
The detection method reliability for lifting a state and pressing position state of pressing device is not high on existing detection shaped steel,
The working environment for being additionally, since pressing device on shaped steel is severe, is directly detected using detection switch dress is compressed on shaped steel at the scene
Put and lift the method for position and be difficult to.
The content of the invention
The present invention provides pressing device and its condition detection method on a kind of shaped steel suitable for section steel sawing machine, it is therefore an objective to improve
Lift position and be pressed against the reliability of position state-detection.
To achieve these goals, the technical scheme taken of the present invention is：Suitable for pressing device on the shaped steel of section steel sawing machine,
Including rotatable setting and for lower section cut type steel for sawing is applied stressed depression bar, for control depression bar be pressed against position position and
Lift the rocking arm switched between a position, be connected with rocking arm and for drive upper compression hydraulic cylinder that rocking arm rotated,
For detect it is upper compression hydraulic cylinder rodless cavity in oil pressure pressing condition detecting system and for detecting upper compression hydraulic cylinder
Rod chamber in oil pressure lifting status detecting system.
The rocking arm is connected by rotating shaft with the depression bar, and rotating shaft is fixedly connected with one end of rocking arm, rocking arm it is another
End rotates with the upper compression hydraulic cylinder and is connected, and rotating shaft is parallel with depression bar；When depression bar, which is in, is pressed against position position, upper compression liquid
The piston rod of cylinder pressure is in contraction state；When depression bar, which is in, lifts position, the piston rod of upper compression hydraulic cylinder is in elongation
State.
The upper compression hydraulic cylinder is connected by the first oil pipe with hydraulic system, the nothing of the first oil pipe and upper compression hydraulic cylinder
Rod cavity is connected, described to be pressed against the first pressure switch that condition detecting system includes being arranged on the first oil pipe, in the depression bar not
When being moved to pressing position position, first pressure switch examines to obtain state in pressure；When depression bar is moved to pressing position position, first
Pressure switch from pressure examine state be changed into pressure inspection mistake state.
After first pressure switch is changed into pressure inspection mistake state and is continuously in the pressure inspection mistake state T1 times, then institute
State pressing condition detecting system and judge that the depression bar is in pressing position position, and send signal.
The upper compression hydraulic cylinder is connected by the second oil pipe with hydraulic system, and the second oil pipe has with upper compression hydraulic cylinder
Rod cavity is connected, and the lifting status detecting system includes the second pressure switch being arranged on the second oil pipe, in the depression bar not
It is moved to when lifting position, second pressure switch examines to obtain state in pressure；When depression bar is moved to and lifts position, second
Pressure switch from pressure examine state be changed into pressure inspection mistake state.
After second pressure switch is changed into pressure inspection mistake state and is continuously in the pressure inspection mistake state T2 times, then institute
State lifting status detecting system and judge that the depression bar is in and lift a position, and send signal.
Present invention also offers a kind of condition detection method of pressing device on shaped steel suitable for section steel sawing machine, according to pressing
The testing result of condition detecting system and lifting status detecting system, judges the location of depression bar.
When first pressure switch from pressure examine state be changed into pressure inspection mistake state when, functional block XJYZJC01 output end
QN will produce ' 1 ' pulse of a cycle period, after the T1 times, and output is continued 0.5 by functional block XJYZJC03 output end Q
' 1 ' pulse of second；If first pressure switch is still within pressure inspection mistake state, function after the pressure inspection mistake state T1 times are become
Block XJYZJC07 output end Q is set to ' 1 ', and thus functional block XJYZJC07 judges depression bar in position position is pressed against, concurrently
Go out pressing device on shaped steel and be in the information for being pressed against position state.
When second pressure switch from pressure examine state be changed into pressure inspection mistake state when, functional block XJYZJC08 output end
QN will produce ' 1 ' pulse of a cycle period, after the T2 times, and output is continued 0.5 by functional block XJYZJC10 output end Q
' 1 ' pulse of second；If second pressure switch is still within pressure inspection mistake state, function after the pressure inspection mistake state T2 times are become
Block XJYZJC14 output end Q is set to ' 1 ', and thus functional block XJYZJC14 judgements depression bar is in lifts a position, and
Send the information that pressing device on shaped steel is in a state of lifting.
The present invention suitable for section steel sawing machine shaped steel on pressing device, it is possible to increase lift position and be pressed against position state-detection can
By property.
Brief description of the drawings
This specification includes the following drawings, and shown content is respectively：
Fig. 1 is front view of the present invention suitable for pressing device on the shaped steel of section steel sawing machine；
Fig. 2 is side view of the present invention suitable for pressing device on the shaped steel of section steel sawing machine；
Fig. 3 is top view of the present invention suitable for pressing device on the shaped steel of section steel sawing machine；
Fig. 4 is hydraulic system principle figure of the present invention suitable for pressing device on the shaped steel of section steel sawing machine；
Fig. 5 is control system architecture figure of the present invention suitable for pressing device on the shaped steel of section steel sawing machine；
Marked in figure：1st, cut type steel for sawing；2nd, carrying roller；3rd, bearing；4th, rotating shaft；5th, rocking arm；6th, depression bar；7th, contiguous block；
8th, upper compression hydraulic cylinder；9th, first pressure is switched；10th, second pressure is switched；11st, base；12nd, rodless cavity；13rd, rod chamber；14、
Functional block XJYZJC01；15th, functional block XJYZJC02；16th, functional block XJYZJC03；17th, functional block XJYZJC05；18th, function
Block XJYZJC06；19th, functional block XJYZJC07；20th, functional block XJYZJC08；21st, functional block XJYZJC09；22nd, functional block
XJYZJC10；23rd, functional block XJYZJC12；24th, functional block XJYZJC13；25th, functional block XJYZJC14；26th, functional block
XJYZJC04；27th, functional block XJYZJC11.
Embodiment
Below against accompanying drawing, by the description to embodiment, the embodiment to the present invention makees further details of
Explanation, it is therefore an objective to help those skilled in the art to have to inventive concept of the invention, technical scheme more complete, accurate and go deep into
Understanding, and contribute to it to implement.
As shown in Figure 1 to Figure 3, the invention provides pressing device on a kind of shaped steel suitable for section steel sawing machine, including it can revolve
Turn to set and for applying lower section cut type steel for sawing stressed depression bar, for controlling depression bar being pressed against position position and lifting position position
The rocking arm that is switched between putting, it is connected with rocking arm and for driving upper compression hydraulic cylinder that rocking arm rotated, for detecting
The pressing condition detecting system of oil pressure and the rod chamber for detecting upper compression hydraulic cylinder in the upper rodless cavity for compressing hydraulic cylinder
The lifting status detecting system of interior oil pressure.
Specifically, as shown in Figure 1 to Figure 3, rocking arm is connected by rotating shaft with depression bar, and one end of rotating shaft and rocking arm is fixed
Connection, the other end of rocking arm is rotated with upper compression hydraulic cylinder and is connected, and rotating shaft is parallel with depression bar；Upper compression hydraulic cylinder piston rod can
Flexible, when depression bar, which is in, is pressed against position position, the piston rod of upper compression hydraulic cylinder is in contraction state, in pressing position position
Depression bar applies the cut type steel for sawing below pressure, compression to the cut type steel for sawing of lower section.When depression bar, which is in, lifts position, on
The piston rod for compressing hydraulic cylinder is in elongation state, lifts a position and is located at the top for being pressed against position position, in lifting a position
Depression bar no longer compress lower section cut type steel for sawing, cut type steel for sawing is released, so as to continue to move to.The shaped steel of the present invention
Upper pressing device also includes base and is arranged on base and is provided for countershaft the bearing of support, and bearing sets two and two
Individual bearing is respectively arranged at one end of rotating shaft.The two ends of rotating shaft are arranged on two bearings by bearing, and the lower section of rotating shaft is provided with
Rotatable support roller, moving direction of the carrying roller along cut type steel for sawing sets multiple, and carrying roller is used to hold cut type steel for sawing and make to treat
Sawing shaped steel is in the horizontal direction towards moving at sawing position, and the axis of rotating shaft is parallel with the axis of carrying roller and positioned at water
In plane.One end of rotating shaft is fixedly connected with one end on the length direction of rocking arm and rocking arm is located at the outside of two bearings, is shaken
The other end on the length direction of arm is connected with the piston rod rotation of upper compression hydraulic cylinder, and upper compression hydraulic cylinder sets to be rotatable
It is placed on base, the upper cylinder body for compressing hydraulic cylinder is connected with base to rotate.Depression bar is located at the side of rotating shaft, the length side of depression bar
To parallel with the axis of rotating shaft and perpendicular with the moving direction of cut type steel for sawing, depression bar is connected by contiguous block with rotating shaft
Connect, contiguous block is located between the rotating shaft and depression bar and two ends of contiguous block and is fixedly connected respectively with rotating shaft and depression bar, contiguous block is along turning
Axle it is axially arranged multiple.When upper compression hydraulic cylinder carries out flexible so that rocking arm swings up and down, and rocking arm drives rotating shaft to exist
Rotated on bearing, rotating shaft drives depression bar in the top synchronous rotary of cut type steel for sawing, realizes the compression for treating sawing shaped steel
With release.
As shown in figure 4, the upper compression hydraulic cylinder that pressing device is used on the shaped steel of the present invention is single-piston formula hydraulic cylinder, on
Compressing hydraulic cylinder, there is an inside to have the rod chamber of piston rod and an inside not to have the rodless cavity of piston rod.Upper compression hydraulic pressure
During the rodless cavity oil-feed of cylinder, rod chamber oil return, piston rod can be stretched out out of cylinder barrel, and upper compression hydraulic cylinder is extended；When upper pressure
During the rod chamber oil-feed of tight hydraulic cylinder, rodless cavity oil return, piston rod can be retracted into cylinder barrel, and upper compression hydraulic cylinder is shunk.
Upper compression hydraulic cylinder is connected by the first oil pipe and the second oil pipe with hydraulic system, and the first oil pipe is with upper compression hydraulic cylinder without bar
Chamber is connected, and the second oil pipe is connected with the rod chamber of upper compression hydraulic cylinder, one end of the first oil pipe and the cylinder barrel of upper compression hydraulic cylinder
One end connection, the other end of the first oil pipe be connected with hydraulic system, one end of the second oil pipe and the upper cylinder barrel for compressing hydraulic cylinder
Other end connection, the other end of the second oil pipe is connected with hydraulic system, and hydraulic system provides pressure oil for the upper hydraulic cylinder that compresses,
Pressure oil enters through the first oil pipe or the second oil pipe in the rodless cavity or rod chamber of upper compression hydraulic cylinder, the upper nothing for compressing hydraulic cylinder
Pressure oil in rod cavity and rod chamber can be back in hydraulic system through the first oil pipe or the second oil pipe respectively.
As shown in figure 4, the first pressure switch that condition detecting system includes being arranged on the first oil pipe is pressed against, first pressure
Switch for detecting the oil pressure in the upper rodless cavity for compressing hydraulic cylinder, the pressure threshold value of first pressure switch is 10bar or so.
When pressing device be pressed against operation on the shaped steel of the present invention, upper compression hydraulic cylinder piston rod is shunk, and is not moved in depression bar
Move to being pressed against before the position of position, depression bar is not pressed against on the cut type steel for sawing of lower section, first pressure switch examines to obtain state in pressure；
Depression bar be moved downward to pressing position position when, first pressure switch from pressure examine state be changed into pressure inspection mistake state, depression bar
Cut type steel for sawing is pressed on carrying roller.It is changed into pressure inspection mistake state in first pressure switch and is continuously in pressure inspection mistake state
After the T1 times, then it is pressed against condition detecting system and judges that depression bar is in pressing position position.Based on this, when cut type steel for sawing is cut in saw
Cut after area's positioning finishes, section steel sawing machine control system makes on saw pressing device carry out shaped steel to be pressed against operation, when the pressing state
Detecting system sends pressing device and is pressed against after signal in place, and section steel sawing machine control system makes saw perform sawing operation.T1 is excellent
Elect 1.5 seconds as, that is, be pressed against condition detecting system ensure first pressure switch be changed into after pressure examined mistake state more than 1.5 seconds still in
After pressure inspection mistake state, just sending pressing device pressing, signal is to section steel sawing machine control system in place, and this decision method can
It is high by property.
As shown in figure 4, lifting status detecting system includes the second pressure switch being arranged on the second oil pipe, second pressure
Switch for detecting the oil pressure in the upper rod chamber for compressing hydraulic cylinder, the pressure threshold value of second pressure switch is 10bar or so.
When pressing device carries out lifting operation on the shaped steel of the present invention, upper compression hydraulic cylinder is extended, and lift is not moved in depression bar
Rise before the position of position, second pressure switch examines to obtain state in pressure；When depression bar is moved to and lifts position, second pressure switch
From pressure examine state be changed into pressure inspection mistake state.It is changed into pressure inspection mistake state in second pressure switch and is continuously in pressure inspection
After the mistake state T2 times, then lifting status detecting system judgement depression bar, which is in, lifts a position, and sends signal.T2 is preferably
1.5 seconds, i.e. lifting status detecting system ensure that second pressure switch is changed into after pressure examined mistake state more than 1.5 seconds still in pressure
Examine after mistake state, just send pressing device and lift signal in place to the control system of section steel sawing machine, this decision method is reliable
Property it is high.
Present invention also offers a kind of condition detection method of pressing device on shaped steel suitable for section steel sawing machine, on shaped steel
When pressing device be pressed against operation and lift operation, according to the detection for being pressed against condition detecting system and lifting status detecting system
As a result, the location of depression bar is judged.Thus, the first pressure switch and the on the oil circuit of upper compression hydraulic cylinder is passed through
The state change of two pressure switches can indirectly and exactly to pressing device on shaped steel pressing position state and lift a shape
State is judged.
As shown in figure 5, RSR is " rest-set flip-flop preferential reset terminal R " functional block, when it is ' 0 ' that S, which is ' 1 ', R, Q is
' 1 ', QN are ' 0 ', and when it is ' 1 ' that S, which is ' 1 ', R, Q is that ' 0 ', QN is ' 1 ', when it is ' 0 ' that S, which is ' 0 ', R, and Q and QN keep ortho states,
When it is ' 1 ' that S, which is ' 0 ', R, Q is that ' 0 ' QN is ' 1 '.ETE is " front and rear edge is set " functional block, when input I is by ' 0 ' change ' 1 '
When, QP ends only export direct impulse of the length for 1 cycle period, and QP ends remain ' 0 ' state under remaining state；Work as input
When I becomes ' 0 ' by ' 1 ', QN ends only export direct impulse of the length for 1 cycle period, and QN ends remain ' 0 ' under remaining state
State.MFP be " impulse generator " functional block, when input I by ' 0 ' become ' 1 ' when, Q ends will export 1 time span for T just
To pulse, and during Q ends output direct impulse, input I state change no longer produces influence to Q ends output state.
PDE is " forward position delay " functional block；OR is disjunction gate；AND is " with door "；NOT is " NOT gate ".
As shown in figure 5, being pressed against condition detecting system also includes functional block XJYZJC01, functional block XJYZJC02, functional block
XJYZJC03, functional block XJYZJC04, functional block XJYZJC05, functional block XJYZJC06 and functional block XJYZJC07, functional block
XJYZJC01 is " front and rear edge is set " functional block, and functional block XJYZJC02 is " impulse generator " functional block, functional block
XJYZJC03 is " forward position delay " functional block, and functional block XJYZJC04 is " NOT gate ", and functional block XJYZJC05 is the function " with door "
Block XJYZJC06 is disjunction gate, and functional block XJYZJC07 is " rest-set flip-flop preferential reset terminal R " functional block.Compressed on shaped steel
Device is carried out in pressing operating process, and condition detection method of the invention carries out the state-detection of pressing device on shaped steel, when the
One pressure switch from pressure examine state be changed into pressure inspection mistake state when, functional block XJYZJC01 output end QN will produce one
' 1 ' pulse of cycle period, after the T1 times (T1 is preferably 1.5 seconds), functional block XJYZJC03 output end Q, which will be exported, to be continued
' 1 ' pulse of 0.5 second；If first pressure switch is still within pressure inspection mistake state after the pressure inspection mistake state T1 times are become
Pressed on (T1 is preferably 1.5 seconds), and section steel sawing machine fault-free (i.e. saw without tightly stop and hydraulic system fault) and shaped steel
Press and still had by instruction, functional block XJYZJC07 output end Q is set to ' 1 ', thus functional block XJYZJC07 judges pressure
Bar in being pressed against position position, and send pressing device on shaped steel be in be pressed against position state information controlled to section steel sawing machine be
System.
As shown in figure 5, lifting status detecting system also includes functional block XJYZJC08, functional block XJYZJC09, functional block
XJYZJC10, functional block XJYZJC11, functional block XJYZJC12, functional block XJYZJC13 and functional block XJYZJC14, functional block
XJYZJC08 is " front and rear edge is set " functional block, and functional block XJYZJC09 is " impulse generator " functional block, functional block
XJYZJC10 is " forward position delay " functional block, and functional block XJYZJC11 is " NOT gate ", and functional block XJYZJC12 is the function " with door "
Block XJYZJC13 is disjunction gate, and functional block XJYZJC14 is " rest-set flip-flop preferential reset terminal R " functional block.Compressed on shaped steel
Device lift in operating process, and condition detection method of the invention carries out the state-detection of pressing device on shaped steel, when the
Two pressure switches from pressure examine state be changed into pressure inspection mistake state when, functional block XJYZJC08 output end QN will produce one
' 1 ' pulse of cycle period, after the T2 times (T2 is preferably 1.5 seconds), functional block XJYZJC10 output end Q, which will be exported, to be continued
' 1 ' pulse of 0.5 second；If second pressure switch is still within pressure inspection mistake state after the pressure inspection mistake state T2 times are become
(T2 is preferably 1.5 seconds), functional block XJYZJC14 output end Q is set to ' 1 ', and thus functional block XJYZJC14 judges depression bar
In lifting a position, and send pressing device on shaped steel and be in the information of a state of lifting to section steel sawing machine control system.
The present invention is exemplarily described above in association with accompanying drawing.Obviously, the present invention is implemented not by above-mentioned side
The limitation of formula.As long as employ the improvement of the various unsubstantialities of inventive concept and technical scheme of the present invention progress；Or not
It is improved, the above-mentioned design of the present invention and technical scheme are directly applied into other occasions, in protection scope of the present invention
Within.
Claims (9)
1. suitable for pressing device on the shaped steel of section steel sawing machine, it is characterised in that：Including rotatable setting and for for sawing to lower section
Cut type steel apply stressed depression bar, for control depression bar be pressed against position position and lift the rocking arm switched between a position,
It is connected with rocking arm and for driving upper compression hydraulic cylinder that rocking arm rotated, for detecting in the upper rodless cavity for compressing hydraulic cylinder
The pressing condition detecting system of oil pressure and the lifting status detection system for detecting oil pressure in the upper rod chamber for compressing hydraulic cylinder
System.
2. pressing device on the shaped steel according to claim 1 suitable for section steel sawing machine, it is characterised in that：The rocking arm passes through
Rotating shaft is connected with the depression bar, and rotating shaft is fixedly connected with one end of rocking arm, the other end of rocking arm and the upper compression hydraulic cylinder
Connection is rotated, rotating shaft is parallel with depression bar；When depression bar, which is in, is pressed against position position, the piston rod of upper compression hydraulic cylinder, which is in, to be shunk
State；When depression bar, which is in, lifts position, the piston rod of upper compression hydraulic cylinder is in elongation state.
3. pressing device on the shaped steel according to claim 1 or 2 suitable for section steel sawing machine, it is characterised in that：The upper pressure
Tight hydraulic cylinder is connected by the first oil pipe with hydraulic system, and the first oil pipe is connected with the rodless cavity of upper compression hydraulic cylinder, the pressure
The first pressure switch for including being arranged on the first oil pipe by condition detecting system, pressing position position is not moved in the depression bar
When, first pressure switch examines to obtain state in pressure；When depression bar is moved to pressing position position, first pressure switch is examined by pressure
The state of obtaining is changed into pressure inspection mistake state.
4. pressing device on the shaped steel according to claim 3 suitable for section steel sawing machine, it is characterised in that：In the described first pressure
Power switch is changed into pressure inspection mistake state and is continuously in after the pressure inspection mistake state T1 times, then the pressing condition detecting system is sentenced
The fixed depression bar, which is in, is pressed against position position, and sends signal.
5. pressing device on the shaped steel according to claim 3 suitable for section steel sawing machine, it is characterised in that：The upper compression liquid
Cylinder pressure is connected by the second oil pipe with hydraulic system, and the second oil pipe is connected with the rod chamber of upper compression hydraulic cylinder, described to lift shape
State detecting system includes the second pressure switch being arranged on the second oil pipe, when the depression bar does not move to and lifts position,
Second pressure switch examines to obtain state in pressure；When depression bar is moved to and lifts position, second pressure switch is examined by pressure
State is changed into pressure inspection mistake state.
6. pressing device on the shaped steel according to claim 5 suitable for section steel sawing machine, it is characterised in that：In the described second pressure
Power switch is changed into pressure inspection mistake state and is continuously in after the pressure inspection mistake state T2 times, then the lifting status detecting system is sentenced
The fixed depression bar, which is in, lifts a position, and sends signal.
7. the condition detection method of pressing device, its feature on any described shaped steel suitable for section steel sawing machine of claim 1 to 6
It is：According to the testing result for being pressed against condition detecting system and lifting status detecting system, the location of depression bar is judged.
8. the condition detection method of pressing device on the shaped steel according to claim 7 suitable for section steel sawing machine, its feature exists
In：When first pressure switch from pressure examine state be changed into pressure inspection mistake state when, functional block XJYZJC01 output end QN will
' 1 ' pulse of a cycle period is produced, after the T1 times, functional block XJYZJC03 output end Q, which will be exported, continues 0.5 second
' 1 ' pulse；If first pressure switch is still within pressure inspection mistake state, functional block after the pressure inspection mistake state T1 times are become
XJYZJC07 output end Q is set to ' 1 ', and thus functional block XJYZJC07 judges depression bar in pressing position position, and send
Pressing device is in the information for being pressed against position state on shaped steel.
9. the condition detection method of pressing device, its feature on the shaped steel suitable for section steel sawing machine according to claim 7 or 8
It is：When second pressure switch from pressure examine state be changed into pressure inspection mistake state when, functional block XJYZJC08 output end QN
' 1 ' pulse of a cycle period will be produced, after the T2 times, output is continued 0.5 second by functional block XJYZJC10 output end Q
' 1 ' pulse；If second pressure switch is still within pressure inspection mistake state, functional block after the pressure inspection mistake state T2 times are become
XJYZJC14 output end Q is set to ' 1 ', and thus functional block XJYZJC14 judges depression bar in a position is lifted, concurrently
Go out the information that pressing device on shaped steel is in a state of lifting.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710578608.6A CN107282993B (en) | 2017-07-12 | 2017-07-12 | Fashioned iron upper pressing device and its condition detection method suitable for section steel sawing machine |
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| CN201710578608.6A CN107282993B (en) | 2017-07-12 | 2017-07-12 | Fashioned iron upper pressing device and its condition detection method suitable for section steel sawing machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107825427A (en) * | 2017-11-30 | 2018-03-23 | 马鞍山钢铁股份有限公司 | A kind of section steel sawing machine clamping limb control method |
| CN113043026A (en) * | 2021-03-29 | 2021-06-29 | 马鞍山钢铁股份有限公司 | Online edge cutting and straightening equipment for angle steel and using method |
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| CN112809690B (en) * | 2017-11-30 | 2022-12-02 | 马鞍山钢铁股份有限公司 | Control method for clamping arm of profile steel sawing machine |
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