A kind of Steel Belt Centering checkout gear
Technical field
The utility model relates to technical field of steel rolling, is mainly applicable to Steel Belt Centering checkout gear.
Background technology
In steel rolling process, the reasons such as vibration because the roll wear on milling train, steel band degree of tightness differ, during steel band operation, steel band on milling train is difficult to always in roll center, the phenomenon of steel belt deviation often occurs, this will cause steel band rolling thickness inhomogeneous, and width is inconsistent, and coil of strip is curling irregular, even cause entire volume steel band to be scrapped and break the serious consequences such as rolling equipment, these serious consequences that steel belt deviation causes will have a strong impact on produces and causes serious economic loss.
For the problems referred to above, how to detect steel band depart from roll and raceway center with avoid clashing into after steel belt deviation rolling equipment and checkout equipment serious consequence be urgent problem.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of Steel Belt Centering checkout gear, and it can detect steel band and whether depart from roll and raceway center.
For solving the problems of the technologies described above, the utility model provides a kind of Steel Belt Centering checkout gear, comprising: device body, at least 1 for the sensor that transmits, at least 1 for receiving sensor, PLC and the power supply of signal; The sensor of the described sensor transmitting and described reception signal is all arranged on described device body, and setting up and down; Signal transmission path between the sensor of the sensor transmitting described in the movement locus of steel band passes and described reception signal; The input of the described sensor transmitting is connected with the output of described PLC, and the output of the sensor of described reception signal is connected with the input of described PLC; The output of described power supply is connected with described sensor, described PLC.
Further,
Described device body comprises: upper frame, underframe, left frame, correct frame, at least 8 semicircle connectors, at least 8 frame installation bolts and at least 8 frame installation nuts; On described upper frame, offer groove, and the width of rebate of described groove is narrower than the cell body width of described groove; On described underframe, offer groove, and the width of rebate of described groove is narrower than the cell body width of described groove; In described left frame, offer at least 4 connector mounting grooves, on described correct frame, offer at least 4 connector mounting grooves; Described semicircle connector is arranged in described connector mounting groove; Described frame installation bolt arrives described groove through the through hole of described semicircle connector; Described frame installation nut is arranged in the screw mandrel portion of described frame installation bolt, described frame installation nut is in the cell body of described groove, and spacing by the notch of described groove, upper frame, underframe, left frame, correct frame are fixedly connected with, form described device body;
Or, in described left frame, offer groove, and the width of rebate of described groove is narrower than the cell body width of described groove; On described correct frame, offer groove, and the width of rebate of described groove is narrower than the cell body width of described groove; On described upper frame, offer at least 4 connector mounting grooves, on described underframe, offer at least 4 connector mounting grooves; Described semicircle connector is arranged in described connector mounting groove; Described frame installation bolt arrives described groove through the through hole of described semicircle connector; Described frame installation nut is arranged in the screw mandrel portion of described frame installation bolt, described frame installation nut is in the cell body of described groove, and spacing by the notch of described groove, upper frame, underframe, left frame, correct frame are fixedly connected with, form described device body.
Further, the described number for the sensor that transmits is 2, and described is 2 for receiving the number of the sensor of signal; Describedly for the sensor transmitting, comprise: first sensor and second sensor that transmits that transmits; Describedly for receiving the sensor of signal, comprise: first receives signal transducer and second receives signal transducer; Described first sensor and described second that transmits transmits sensor setting on described upper frame, and described first receives signal transducer and described second receives signal transducer and be arranged on described underframe; Described first sensor and described first that transmits receives signal transducer and is vertically symmetrical arranged, and described second sensor and described second that transmits receives signal transducer and is vertically symmetrical arranged; Described first transmits sensor emission signal to described the first reception signal transducer, and described second transmits sensor emission signal to described the second reception signal transducer; The movement locus of steel band receives between the signal transmission path of signal transducer at described first sensor, the described first signal transmission path and described second that the receives signal transducer sensor, described second that transmits that transmits; Described first the transmit input of sensor and the output of described PLC of sensor and described second that transmit is connected, and described first receives that signal transducer receives the output of signal transducer with described second and the input of described PLC is connected; The output of described power supply and described first sensor, described second sensor, described first that transmits that transmits receives that signal transducer, described second receives signal transducer, described PLC is connected.
Further, also comprise: amplification module; Described amplification module is arranged on the described first output, described second that receives signal transducer and receives between the output of signal transducer and the input of described PLC, and signal is carried out to power amplification.
Further, also comprise: cover plate; Described cover plate is arranged on described upper frame, described underframe, described left frame, described correct frame junction each other.
Further, also comprise: suspension ring; Described suspension ring are arranged on described upper frame.
Further, also comprise: mounting seat and at least one floor installation bolt; On described underframe, offer waist-shaped hole; In described mounting seat, offer screwed hole; Described floor installation bolt is arranged in described screwed hole through described waist-shaped hole.
Further, described sensor comprises: electromagnetic induction sensor and photoelectric sensor.
The beneficial effects of the utility model are:
The Steel Belt Centering checkout gear that the utility model provides, based on steel band, in when motion, can cut by the sensor transmissions transmitting to the induced signal that receives the sensor of signal, and the position of steel band is linear change with the inductive voltage value that sensor by reception signal outputs to PLC.When steel band departs from center, the voltage that is outputed to PLC by the sensor that receives signal can exceed default threshold value, thereby can detect steel band and whether depart from roll and raceway center, and then can take corresponding solution, that has guaranteed to produce carries out the rolling quality with steel band smoothly, has thoroughly solved owing to cannot detecting and controlling the problem that waste product and percussion device etc. have a strong impact on production that produces after steel belt deviation.
Accompanying drawing explanation
The structural representation of the Steel Belt Centering checkout gear that Fig. 1 provides for the utility model embodiment;
Fig. 2 is the top view of Fig. 1;
Fig. 3 is the left view of Fig. 1;
Wherein, 1-upper frame, 2-underframe, 3-left frame, 4-correct frame, 5a-first receives signal electromagnet inductive pick-up, and 5b-second receives signal electromagnet inductive pick-up, 6a-first electromagnetic induction sensor that transmits, 6b-second electromagnetic induction sensor that transmits, 7-steel band, 8-excitation power supply, 9-PLC, 10a-the first data wire hole, 10b-the second data wire hole, 11a-the first suspension ring, 11b-the second suspension ring, 12a-the first mounting seat, 12b-the second mounting seat, 13a-upper cover plate, 13b-lower cover.
The specific embodiment
For further setting forth the utility model, be to reach technological means and the effect that predetermined utility model object is taked, below in conjunction with accompanying drawing and preferred embodiment, the specific embodiment and the operation principle of the Steel Belt Centering checkout gear according to the utility model proposes are elaborated.
Referring to Fig. 1, Fig. 2 and Fig. 3, the Steel Belt Centering checkout gear that the utility model embodiment provides, comprising: device body, at least 1 for the sensor that transmits, at least 1 for receiving sensor, PLC9, amplification module, cover plate, suspension ring, mounting seat, at least one floor installation bolt and power supply of signal; Be used for the sensor transmitting and be all arranged on device body for receiving the sensor of signal, and setting up and down; The movement locus of steel band 7 is through the signal transmission path between the sensor transmitting and the sensor of reception signal; The input of the sensor transmitting is connected with the output of PLC9, and the output of sensor and the input of PLC9 that receive signal are connected; The output of power supply is with sensor for transmitting, be connected for receiving sensor, the PLC9 of signal.Particularly, device body comprises: upper frame 1, underframe 2, left frame 3,4, at least 8 semicircle connectors of correct frame, at least 8 frame installation bolts and at least 8 frame installation nuts; For anti-interference, upper frame 1, underframe 2, left frame 3, correct frame 4 all adopt aluminum alloy materials to make.Power supply and PLC9 are arranged in correct frame 4.On correct frame 4, offer the first data wire hole 10a and the second data wire hole 10b, for the installation of cable.Upper frame 1, underframe 2, left frame 3, correct frame 4 become rectangle measurement frame by assembling combination.Steel band 7 is through the measurement frame being comprised of upper frame 1, underframe 2, left frame 3 and correct frame 4.Further, on upper frame 1, offer groove, and the width of rebate of groove is narrower than the cell body width of groove; On underframe 2, offer groove, and the width of rebate of groove is narrower than the cell body width of groove; In left frame 3, offer at least 4 connector mounting grooves, on correct frame 4, offer at least 4 connector mounting grooves; Each semicircle connector is arranged in a connector mounting groove; Frame installation bolt arrives groove through the through hole of semicircle connector; Frame installation nut is arranged in the screw mandrel portion of frame installation bolt; Frame installation nut is in the cell body of groove, and spacing by the notch of groove, and upper frame, underframe, left frame, correct frame are fixedly connected with, and forms measurement frame;
Or, in left frame 3, offer groove, and the width of rebate of groove is narrower than the cell body width of groove; On correct frame 4, offer groove, and the width of rebate of groove is narrower than the cell body width of groove; On upper frame 1, offer at least 4 connector mounting grooves, on underframe 2, offer at least 4 connector mounting grooves; Each semicircle connector is arranged in a connector mounting groove; Frame installation bolt arrives groove through the through hole of semicircle connector; Frame installation nut is arranged in the screw mandrel portion of frame installation bolt, and frame installation nut is in the cell body of groove, and spacing by the notch of groove, and upper frame, underframe, left frame, correct frame are fixedly connected with, and forms measurement frame.
For upper frame 1, underframe 2, left frame 3, correct frame 4 junction are each other protected, in the present embodiment, cover plate is arranged on to upper frame 1, underframe 2, left frame 3, correct frame 4 junction each other.For the ease of the installation of measurement frame of the present utility model, suspension ring are arranged on upper frame 1.And offer waist-shaped hole on underframe 2; In mounting seat, offer screwed hole; Floor installation bolt is arranged in screwed hole through waist-shaped hole.Particularly, in the present embodiment, cover plate comprises: upper cover plate 13a and lower cover 13b; Upper cover plate 13a and lower cover 13b all make of alloy aluminium sheet; Upper cover plate 13a is arranged on the junction of upper frame 1 and left frame 3, correct frame 4; Lower cover 13b is arranged on the junction of underframe 2 and left frame 3, correct frame 4.Suspension ring comprise: the first suspension ring 11a and the second suspension ring 11b; The first suspension ring 11a and the second suspension ring 11b are all arranged on upper frame 1.The number of floor installation bolt is 2, is respectively the first floor installation bolt and the second floor installation bolt; Mounting seat comprises: the first mounting seat 12a and the second mounting seat 12b; On underframe 2, offer 2 waist-shaped holes; On the first mounting seat 12a and the second mounting seat 12b, all offer screwed hole; The first floor installation bolt is arranged in the screwed hole on the first mounting seat 12a through a waist-shaped hole; The second floor installation bolt is arranged in the screwed hole on the second mounting seat 12b through another waist-shaped hole.In order to insulate with anti-interference, the first mounting seat 12a and the second mounting seat 12b all adopt bakelite plate processing and fabricating.
In the present embodiment, for the number of the sensor that transmits, be 2, for receiving the number of the sensor of signal, be 2; For the sensor that transmits, comprise: first sensor and second sensor that transmits that transmits; For receiving the sensor of signal, comprise: first receives signal transducer and second receives signal transducer; First sensor and the second sensor horizontal center that transmits that transmits is arranged on upper frame 1, and first receives signal transducer and second receives signal transducer horizontal center and be arranged on underframe 2; First sensor and first that transmits receives signal transducer and is vertically symmetrical arranged, and second sensor and second that transmits receives signal transducer and is vertically symmetrical arranged; First transmits sensor emission signal to the first reception signal transducer, and second transmits sensor emission signal to the second reception signal transducer; The movement locus of steel band 7 receives between the signal transmission path of signal transducer at first signal transmission path and second that sensor, first the receives signal transducer sensor, second that transmits that transmits; First the transmit input of sensor and the output of PLC9 of sensor and second that transmit is connected, and first receives that signal transducer receives the output of signal transducer with second and the input of PLC9 is connected; The output of power supply and first sensor, second sensor, first that transmits that transmits receives that signal transducer, second receives signal transducer, PLC9 is connected.Further, the output, second that amplification module is arranged on the first reception signal transducer receives between the output of signal transducer and the input of PLC9, and signal is carried out to power amplification.Wherein, sensor comprises: electromagnetic induction sensor and photoelectric sensor; .The model of PLC9 is the CP1H1L series that Omron Corp produces.Power supply is excitation power supply 8.
Take electromagnetic induction sensor as example, and sensor comprises: first electromagnetic induction sensor 6a, the second electromagnetic induction sensor 6b, first that transmits that transmits receives signal electromagnet inductive pick-up 5a and second and receives signal electromagnet inductive pick-up 5b.The Steel Belt Centering checkout gear providing by the utility model embodiment detects the ruuning situation of steel band 7, when transmitting electromagnetic induction sensor energising work, can form the magnetic line of force without several sealings, produces high-frequency alternating magnetic field.Now, the first electromagnetic induction sensor 6a that transmits transmits signals to the first reception signal electromagnet inductive pick-up 5a, the second electromagnetic induction sensor 6b that transmits transmits signals to the second reception signal electromagnet inductive pick-up 5b, and high-frequency alternating magnetic field receives in signal electromagnet inductive pick-up 5b and produces induced voltage at the first reception signal electromagnet inductive pick-up 5a and second.Induced voltage is transferred in PLC9 after amplifying by amplification module.Steel band 7 is initial when static, and within the scope of measurement frame center and sensor measurement, detection system can be set to zero by the voltage of steel band 7 when initial position.When steel band 7 motion, can continuously cut the formed magnetic line of force of sensor, now by the first reception signal electromagnet inductive pick-up 5a and second, receive the induced voltage that signal electromagnet inductive pick-up 5b outputs to PLC9 and change within the specific limits.The position of steel band 7 is linear change with the inductive voltage value by receiving signal transducer output, and steel band 7 more departs from center, larger/less by the inductive voltage value that receives signal transducer output.When PLC9 receives to obtain inductive voltage value while being greater than/being less than voltage threshold, known steel band 7 has departed from center.Now PLC9 transmits a signal to Hydraulic Station, and by servo valve, adjusts in time the position of roll, makes steel band 7 get back to as early as possible roll center.When the serious sideslip of steel band 7, while even exceeding the measurement category of sensor, PLC9 reports to the police immediately.Equipment operator can process immediately, to avoid the more generation of serious consequence.
It should be noted that, user can adjust the quantity of the sensor pairing in the utility model according to needs of production, and the allocation plan of two pairs of sensors that are not only confined to propose in the present embodiment.
The Steel Belt Centering checkout gear that the utility model embodiment provides, based on steel band 7, in when motion, can cut by the sensor transmissions transmitting to the induced signal that receives the sensor of signal, and the position of steel band 7 is linear change with the inductive voltage value that sensor by reception signal outputs to PLC9.When steel band 7 departs from center; the voltage that is outputed to PLC9 by the sensor that receives signal can exceed default threshold value; thereby can detect steel band 7 and whether depart from roll and raceway center; and take corresponding solution; even if the serious sideslip of steel band 7 can not clash into measurement frame yet; rolling and measurement device have effectively been protected; that guarantees to produce carries out the rolling quality with steel band 7 smoothly, has thoroughly solved owing to cannot detecting and control the problem that waste product and percussion device etc. have a strong impact on production that produces after steel band 7 sideslips.The utility model design is simple and direct light, particularly can improve and lengthen according to on-site actual situations, and with enlarge measurement range, applicability is strong.
It should be noted last that, the above specific embodiment is only unrestricted in order to the technical solution of the utility model to be described, although the utility model is had been described in detail with reference to example, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement the technical solution of the utility model, and not departing from the spirit and scope of technical solutions of the utility model, it all should be encompassed in the middle of claim scope of the present utility model.