CN104139218A - Steel billet hot saw cooling water system - Google Patents
Steel billet hot saw cooling water system Download PDFInfo
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- CN104139218A CN104139218A CN201410373884.5A CN201410373884A CN104139218A CN 104139218 A CN104139218 A CN 104139218A CN 201410373884 A CN201410373884 A CN 201410373884A CN 104139218 A CN104139218 A CN 104139218A
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- saw blade
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Abstract
The invention discloses a steel billet hot saw cooling water system which comprises a hot saw machine, a cooling water spraying device and a controllable switch, wherein the hot saw machine is provided with saw blades for sawing steel billets, and a first photoelectric switch and a second photoelectric switch are arranged on the corresponding positions of the hot saw machine and are electronically connected with a controller of the hot saw machine respectively; the cooling water spraying device is arranged above the hot saw machine and comprises a first power mechanism, a second power mechanism and a plurality of cooling water spray heads; the controllable switch is electrically connected to the second power mechanism and the controller of the hot saw machine, the controller of the hot saw machine receives trigger signals of the first photoelectric switch and the second photoelectric switch to generate sawing signals, and the controllable switch controls the second power mechanism to act based on the sawing signals. According to the steel billet hot saw cooling water system, high pressure water is reasonably utilized, water resources are greatly saved, meanwhile the motor load of the power mechanisms is lowered, and the effects of saving energy and power are achieved.
Description
Technical field
The present invention relates to the saw blade of hot sawing machine field that cools, relate in particular to a kind of steel billet hot saw cooling water system.
Background technology
At present, hot-metal sawing machine is widely used in Metallurgical Factory's shaped steel, and especially a kind of cut-out equipment on special-shaped section profile steel rolling production line, is generally installed on milling train production line below.Hot saw is as a kind of sawing mode of cutting off steel billet or steel etc., in the process of sawing, the temperature of steel billet is very high, very large on the impact of the metallic character of saw blade, cause saw blade to be easy to damage because of excess Temperature, and the cost of saw blade is expensive, therefore to saw blade, the cooling in sawing process is absolutely necessary.Existing technology is usually to use cooling water to lower the temperature to saw blade, and according to the technological requirement of sawing, to saw blade, adopt cooling water temperature need to make hydraulic pressure reach at least 70 kilograms, when saw blade completes a steel billet sawing, steel billet moves forward on transmission roller channel, now water under high pressure is still constantly coming into operation, and has not only wasted a lot of water resources, and to the cooling of saw blade also and given play to the good cooling effect of its water under high pressure.Moreover, for coming into operation of water under high pressure, due to the restriction of technological requirement, if pressure does not increase or water under high pressure does not meet the demands saw blade, with regard to sawing, can cause the impaired even cracking of saw blade, therefore, need to improve the stability of existing cooling water system.Further, the use of water under high pressure makes the impulsive force of saw blade larger, is easy to affect the sawing quality of saw blade to steel billet.
Summary of the invention
The problem of the present invention's design based on solving above, existing steel billet hot saw cooling water system is improved, provide a kind of can be according to rationally the come into operation cooling water system of water under high pressure of the sawing situation of saw blade of hot sawing machine, well saved water resource, also reduce motor load, reached the effect of energy saving.Further; the present invention also carries out the cooling down of saw blade by design two-stage actuating unit; make the water under high pressure of second level actuating unit generation when not coming into operation; the lower cooling water of pressure that first order actuating unit produces can also be lowered the temperature to saw blade, makes can also carry out cooling protection to saw blade in the situation that of waste water resource not.Moreover in order to guarantee that saw blade of hot sawing machine can not cause the impact on steel billet sawing quality under the impact of water under high pressure, the present invention has also carried out unique design to the saw blade of hot-metal sawing machine.
Technical scheme provided by the invention is:
A steel billet hot saw cooling water system, it comprises:
Hot-metal sawing machine, which is provided with the saw blade of sawing steel billet, described hot-metal sawing machine is provided with the first optoelectronic switch in the sawing position of the described saw blade of correspondence, initial position at the described saw blade of correspondence is provided with the second optoelectronic switch, and described the first optoelectronic switch is all electrically connected to the controller of described hot-metal sawing machine with described the second optoelectronic switch;
Cool water shower device, it is arranged on described hot-metal sawing machine top, described cool water shower device comprises the first actuating unit, the second actuating unit and a plurality of water-cooling-sprayer, wherein, described the first actuating unit is connected to outside water supply installation and hydraulic pressure can be elevated to first threshold, described the second actuating unit is connected with the first actuating unit and the hydraulic pressure obtaining from the first actuating unit can be elevated to Second Threshold, and described a plurality of water-cooling-sprayers are connected to the output of described the second actuating unit;
Gate-controlled switch, it is electrically connected to the controller of described the second actuating unit and described hot-metal sawing machine; Wherein,
The triggering signal that the controller of described hot-metal sawing machine receives described the first optoelectronic switch and the second optoelectronic switch generates sawing signal, and described gate-controlled switch is based on the second actuating unit action described in described sawing signal controlling.
Preferably, described hot-metal sawing machine is provided with the first support and the second support, and described the first support and the second support lay respectively at the both sides of described saw blade, and are erected on steel billet transmission roller channel.
Preferably, the optical receiver of described the first optoelectronic switch and the second optoelectronic switch and optical transmitting set corresponding being arranged on described the first support and the second support respectively; Wherein,
The optical receiver of described the first optoelectronic switch and optical transmitting set complete the sawing signal of sawing to produce saw blade near described roller-way, the sawing signal that the optical receiver of described the second optoelectronic switch and optical transmitting set start sawing near the initial position of described saw blade to trigger saw blade.
Preferably, described the first actuating unit is intake pump, and described first threshold is 4-6kg/cm
2;
Described the second actuating unit is booster pump, and described Second Threshold is 70-80kg/cm
2.
Preferably, described a plurality of water-cooling-sprayer in the output circular array of the second actuating unit to point to the diverse location of described saw blade.
Preferably, described saw blade adopts saw blade, and the sawtooth angle of described saw blade is incomplete same on whole circumference, and by the anterior angle of the first sawtooth 10 degree, the angle of wedge 15 degree, relief angle 65 degree, the second sawtooth anterior angle 12 degree, the angle of wedge 20 degree, relief angle 58 degree, the sequential loop of the 3rd sawtooth anterior angle 15 degree, the angle of wedge 12 degree, relief angle 63 degree alternately.
Preferably, two sawtooth that described saw blade is adjacent are interlaced 2-5 degree it is axial.
Steel billet hot saw cooling water system of the present invention has been set up two optoelectronic switches in existing cooling water system, to detect the sawing actuating signal of saw blade, and then control the second actuating unit (booster pump) and whether cooling water is carried out blower operations and produces the water under high pressure to saw blade cooling down, owing to being water under high pressure, if so still can not cause a large amount of water resource waste coming into operation in sawing at saw blade, but also the running that makes motor is in " idle running " and then can not get good value, the present invention is by such improvement, not only well saved water resource, greatly reduced the load of motor, reached the effect of energy saving, and in output and security performance constant in the situation that, can normally complete sawing work, and meet the requirement of explained hereafter.Simultaneously, because water under high pressure is to come into operation in saw blade sawing, for fear of the impact because of water under high pressure, affect to a certain extent the sawing effect of saw blade, the present invention has carried out particular design by the sawtooth angle of saw blade, make the sawtooth angle that mutually replaces can be mutually complementary to the sawing of steel billet, guarantee sawing effect, make it meet technological requirement.
Accompanying drawing explanation
Fig. 1 is the rough schematic of steel billet hot saw cooling water system of the present invention;
Fig. 2 is the structured flowchart of steel billet hot saw cooling water system of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail, to make those skilled in the art can implement according to this with reference to description word.
As shown in Figure 1-2, the invention provides a kind of steel billet hot saw cooling water system, it comprises: hot-metal sawing machine 1, which is provided with the saw blade 101 of sawing steel billet, described hot-metal sawing machine is provided with the first optoelectronic switch 2 in the sawing position of the described saw blade of correspondence, initial position at the described saw blade of correspondence is provided with the second optoelectronic switch 3, and described the first optoelectronic switch is all electrically connected to the controller of described hot-metal sawing machine with described the second optoelectronic switch; Cool water shower device, it is arranged on described hot-metal sawing machine top, described cool water shower device comprises the first actuating unit 4, the second actuating unit 5 and a plurality of water-cooling-sprayer 6, wherein, described the first actuating unit is connected to outside water supply installation 7 and hydraulic pressure can be elevated to first threshold, described the second actuating unit is connected with the first actuating unit and the hydraulic pressure obtaining from the first actuating unit can be elevated to Second Threshold, and described a plurality of water-cooling-sprayers are connected to the output of described the second actuating unit; Gate-controlled switch (not shown), it is electrically connected to the controller of described the second actuating unit and described hot-metal sawing machine; Wherein, the triggering signal that the controller of described hot-metal sawing machine receives described the first optoelectronic switch and the second optoelectronic switch generates sawing signal, and described gate-controlled switch is based on the second actuating unit action described in described sawing signal controlling.Here the hydraulic pressure that the second actuating unit is exported is the water under high pressure that meets technological requirement.In other words, whether the second actuating unit carries out the triggering signal that blower operations depends on the first optoelectronic switch and the second optoelectronic switch, rather than is also carrying out blower operations in saw blade sawing pause interval.Conventionally, steel billet 11 every 6-8 rice will sawing once, and saw blade sawing once after, can upwards lift and pause, now in cooling water system, can within the time of 4-5 minute, carry out the decline of hydraulic pressure, what in Fig. 1, the direction of arrow referred to is the direction of advance of steel billet, and saw blade is vertical sawing to the sawing of steel billet.
Wherein, riding position for above-mentioned the first optoelectronic switch of mentioning and the second optoelectronic switch, in the present invention, be to design like this: the first support 8 and the second support 9 are set on described hot-metal sawing machine, described the first support and the second support lay respectively at the both sides of described saw blade, and are erected on steel billet transmission roller channel 10.Here, the first support and the second support also can design separately, need not on hot-metal sawing machine, lay.Meanwhile, can also be to be parallel to the mode of saw blade in the both sides of saw blade for laying of optoelectronic switch.
For optoelectronic switch, it is the important light sensation device that inspected object exists, and it generally includes optical receiver and optical transmitting set, is that the interaction of the two has completed the detection whether object exists.In the present invention, preferably, the optical receiver of the first optoelectronic switch and the second optoelectronic switch and optical transmitting set be corresponding being arranged on described the first support and the second support respectively all; Wherein,
The optical receiver 201 of described the first optoelectronic switch 2 and optical transmitting set 202 complete the sawing signal of sawing to produce saw blade near described roller-way, the sawing signal that the optical receiver 301 of described the second optoelectronic switch 3 and optical transmitting set 302 start sawing near the initial position of described saw blade to trigger saw blade.As long as when hot-metal sawing machine control saw blade starts to move down from its initial position, the second optoelectronic switch detects the sawing signal that starts sawing, triggers the second actuating unit by controller and carries out blower operations and then produce high pressure water jets to saw blade from water-cooling-sprayer; On the contrary, as long as saw blade completes a sawing, while preparing upwards to lift, the first optoelectronic switch can detect the sawing signal that sawing completes, by controller, triggering the second actuating unit no longer carries out blower operations and then stops exporting water under high pressure, although and the second not supercharging of actuating unit, its internal pipeline or be communicated with the first actuating unit.In other words, although the second actuating unit has stopped to saw blade spray water under high pressure, but endlessly, export the hydraulic pressure of the first actuating unit, constantly saw blade is carried out to cooling down.But compare water under high pressure, reduced greatly the waste of water resource.
Above-mentioned the first actuating unit of mentioning is preferably conventional intake pump, and its first threshold that can make that hydraulic pressure reaches is 4-6kg/cm
2; And the second actuating unit is preferably booster pump, it can make the hydraulic pressure after intake pump be elevated to 70-80kg/cm
2, to meet the cooling down technological requirement to saw blade.Here, can be by setting up a Pressure gauge being electrically connected to only, the hydraulic pressure size being produced to show booster pump in real time, allows the force value that hot-metal sawing machine can Real-Time Monitoring booster pump.While dropping to sawing position due to saw blade, need the regular hour, therefore, when the second optoelectronic switch detects saw blade and starts to decline from initial position, booster pump starts blower operations and produces water under high pressure, now can detect by controller the hydraulic pressure value size of the water under high pressure of its output, when meeting the demands, just make it on saw blade, spray.
Further, in order to make high-pressure cooling water, to the impact of saw blade, be to be tending towards uniformly, a plurality of water-cooling-sprayers that design in the present invention in the output circular array of the second actuating unit to point to the diverse location of described saw blade.
Mention above, the present invention guarantees both quality and quantity in order to guarantee saw blade sawing to steel billet under the impact of water under high pressure, spy designs adopted saw blade, be that described saw blade adopts saw blade, and the sawtooth angle of described saw blade is incomplete same on whole circumference, and by the anterior angle of the first sawtooth 10 degree, the angle of wedge 15 degree, relief angle 65 degree, the second sawtooth anterior angle 12 degree, the angle of wedge 20 degree, relief angle 58 degree, the sequential loop of the 3rd sawtooth anterior angle 15 degree, the angle of wedge 12 degree, relief angle 63 degree is alternately.Two sawtooth interlaced 2-5 degree it is axial that described saw blade is adjacent.Here it should be noted that the saw blade in Fig. 1 is only schematic diagram.
Steel billet hot saw cooling water system of the present invention has been set up two optoelectronic switches in existing cooling water system, to detect the sawing actuating signal of saw blade, and then control the second actuating unit (booster pump) and whether cooling water is carried out blower operations and produces the water under high pressure to saw blade cooling down, owing to being water under high pressure, if so still can not cause a large amount of water resource waste coming into operation in sawing at saw blade, but also the running that makes motor is in " idle running " and then can not get good value, the present invention is by such improvement, not only well saved water resource, greatly reduced the load of motor, reached the effect of energy saving, and in output and security performance constant in the situation that, can normally complete sawing work, and meet the requirement of explained hereafter.Simultaneously, because water under high pressure is to come into operation in saw blade sawing, for fear of the impact because of water under high pressure, affect to a certain extent the sawing effect of saw blade, the present invention has carried out particular design by the sawtooth angle of saw blade, make the sawtooth angle that mutually replaces can be mutually complementary to the sawing of steel billet, guarantee sawing effect, make it meet technological requirement.
Although embodiment of the present invention are open as above, but it is not restricted to listed utilization in description and embodiment, it can be applied to various applicable the field of the invention completely, for those skilled in the art, can easily realize other modification, therefore do not deviating under the universal that claim and equivalency range limit, the present invention is not limited to specific details and illustrates here and the legend of describing.
Claims (7)
1. a steel billet hot saw cooling water system, is characterized in that, comprising:
Hot-metal sawing machine, which is provided with the saw blade of sawing steel billet, described hot-metal sawing machine is provided with the first optoelectronic switch in the sawing position of the described saw blade of correspondence, initial position at the described saw blade of correspondence is provided with the second optoelectronic switch, and described the first optoelectronic switch is all electrically connected to the controller of described hot-metal sawing machine with described the second optoelectronic switch;
Cool water shower device, it is arranged on described hot-metal sawing machine top, described cool water shower device comprises the first actuating unit, the second actuating unit and a plurality of water-cooling-sprayer, wherein, described the first actuating unit is connected to outside water supply installation and hydraulic pressure can be elevated to first threshold, described the second actuating unit is connected with the first actuating unit and the hydraulic pressure obtaining from the first actuating unit can be elevated to Second Threshold, and described a plurality of water-cooling-sprayers are connected to the output of described the second actuating unit;
Gate-controlled switch, it is electrically connected to the controller of described the second actuating unit and described hot-metal sawing machine; Wherein,
The triggering signal that the controller of described hot-metal sawing machine receives described the first optoelectronic switch and the second optoelectronic switch generates sawing signal, and described gate-controlled switch is based on the second actuating unit action described in described sawing signal controlling.
2. steel billet hot saw cooling water system as claimed in claim 1, is characterized in that, described hot-metal sawing machine is provided with the first support and the second support, and described the first support and the second support lay respectively at the both sides of described saw blade, and are erected on steel billet transmission roller channel.
3. steel billet hot saw cooling water system as claimed in claim 2, is characterized in that, the optical receiver of described the first optoelectronic switch and the second optoelectronic switch and optical transmitting set be corresponding being arranged on described the first support and the second support respectively; Wherein,
The optical receiver of described the first optoelectronic switch and optical transmitting set complete the sawing signal of sawing to produce saw blade near described roller-way, the sawing signal that the optical receiver of described the second optoelectronic switch and optical transmitting set start sawing near the initial position of described saw blade to trigger saw blade.
4. steel billet hot saw cooling water system as claimed in claim 1, is characterized in that, described the first actuating unit is intake pump, and described first threshold is 4-6kg/cm
2;
Described the second actuating unit is booster pump, and described Second Threshold is 70-80kg/cm
2.
5. steel billet hot saw cooling water system as claimed in claim 1, is characterized in that, described a plurality of water-cooling-sprayers in the output circular array of the second actuating unit to point to the diverse location of described saw blade.
6. steel billet hot saw cooling water system as claimed in claim 5, is characterized in that, described saw blade adopts saw blade, and the sawtooth angle of described saw blade is incomplete same on whole circumference, and presses
Anterior angle 10 degree of the first sawtooth, the angle of wedge 15 degree, relief angle 65 degree, the second sawtooth anterior angle 12 degree, the angle of wedge 20 degree, relief angle 58 degree, the sequential loop of the 3rd sawtooth anterior angle 15 degree, the angle of wedge 12 degree, relief angle 63 degree is alternately.
7. steel billet hot saw cooling water system as claimed in claim 6, is characterized in that, two sawtooth interlaced 2-5 degree it is axial that described saw blade is adjacent.
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| CN201410373884.5A CN104139218B (en) | 2014-07-31 | 2014-07-31 | A kind of steel billet hot saw cooling water system |
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| CN201410373884.5A CN104139218B (en) | 2014-07-31 | 2014-07-31 | A kind of steel billet hot saw cooling water system |
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| CN104139218B CN104139218B (en) | 2016-08-24 |
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| US5477844A (en) * | 1993-11-10 | 1995-12-26 | Diamant Boart, Inc. | Slurry recovery system for a wet cutting saw |
| CN1911545A (en) * | 2006-08-18 | 2007-02-14 | 上海诸光机械有限公司 | Technological lubricating system of hot mill steel plate continuous milling machine |
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| JP2011073122A (en) * | 2009-10-01 | 2011-04-14 | Noritake Co Ltd | Circular saw cutter |
| CN102310224A (en) * | 2011-08-25 | 2012-01-11 | 广东省韶关钢铁集团有限公司 | Rolling mill flying scissor blade cooling method and cooling device thereof |
| CN202239394U (en) * | 2011-08-25 | 2012-05-30 | 广东省韶关钢铁集团有限公司 | Flying-shear blade cooling device of rolling mill |
| CN203956226U (en) * | 2014-07-31 | 2014-11-26 | 江苏联峰能源装备有限公司 | A kind of steel billet hot saw cooling water system |
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2014
- 2014-07-31 CN CN201410373884.5A patent/CN104139218B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5477844A (en) * | 1993-11-10 | 1995-12-26 | Diamant Boart, Inc. | Slurry recovery system for a wet cutting saw |
| CN1911545A (en) * | 2006-08-18 | 2007-02-14 | 上海诸光机械有限公司 | Technological lubricating system of hot mill steel plate continuous milling machine |
| CN201201019Y (en) * | 2007-12-29 | 2009-03-04 | 李华 | Cooling mechanism of hydraulic machine for straightening and cutting steel bar |
| JP2011073122A (en) * | 2009-10-01 | 2011-04-14 | Noritake Co Ltd | Circular saw cutter |
| CN102310224A (en) * | 2011-08-25 | 2012-01-11 | 广东省韶关钢铁集团有限公司 | Rolling mill flying scissor blade cooling method and cooling device thereof |
| CN202239394U (en) * | 2011-08-25 | 2012-05-30 | 广东省韶关钢铁集团有限公司 | Flying-shear blade cooling device of rolling mill |
| CN203956226U (en) * | 2014-07-31 | 2014-11-26 | 江苏联峰能源装备有限公司 | A kind of steel billet hot saw cooling water system |
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Effective date of registration: 20190704 Address after: 215600 Yonglian Village, Nanfeng Town, Zhangjiagang City, Suzhou City, Jiangsu Province Patentee after: Lian Feng Steel (Zhangjiagang) Co., Ltd. Address before: 215628 Yonglian Village, Nanfeng Town, Jiangsu Province Patentee before: Jiangsu Lianfeng Energy Equipment Co., Ltd. |