CN205270382U - Intelligence pinch roll - Google Patents

Abstract

The utility model discloses an intelligence pinch roll, include: first pinch roll body and second pinch roll body, drive mechanism, first pinch roll body and second pinch roll body are connected with drive mechanism respectively, servo mechanism, first pinch roll body and second pinch roll body are connected with servo mechanism respectively, and, control mechanism, first pinch roll body or drive mechanism's output and control mechanism's input are connected, and servo mechanism's input is connected with control mechanism's output. The utility model discloses a control mechanism gathers the clamping -force between first pinch roll body and the second pinch roll body, perhaps gathers the total power output of drive mechanism, and the input/output according to preset concerns the control signal who obtains servo mechanism again to the size of control servo mechanism power output, thus realize that the pinch roll keeps the dynamic stability state, avoid the wire rod to produce plastic deformation because of receiving too big clamping -force, or the problem of skidding because of the clamping -force undersize that receives and pinch roll body.

Description

A kind of intelligence pinch roll

Technical field

The utility model relates to high-speed rod and weaves silk technical field, particularly relates to a kind of intelligence pinch roll.

Background technology

Pinch roll is the important equipment in high-speed wire production line unit, after the position produced in wire rod unit is high speed wire rod finishing block, before Laying head. Main function be wire gripper smoothly by water-cooled section region, and steadily send in Laying head, play and prevent wire rod from shake, ensure wire rod on rolling line between each frame formation part power a little, and smoothly by the effect of rolling line.

Wherein, pinch roll device is mainly divided into transmission rig and clamping device two main integral parts, and wherein, transmission system mainly comprises gear structure, for realizing speedup and transmission; Clamping device mainly comprises two roller bodies, realizes the clamping to wire rod by two roller body synchronous opening/closing actions.

The main structure of pinch roll is: rotary motion by one-level or two-stage gear increaser transmission, is delivered on pinch roll neutral gear by motor, then on tunnel shaft gear etc. speed ratio transmission, rotary motion is delivered on two working shafts of pinch roll. Two working shafts of pinch roll drive pinch roll constant speed to rotate, and identical with finishing mill outlet wire rod motion linear velocity, detect that wire rod head is after pinch roll until front hot metal detector, drive the roll gap on pinch roll to close, and wire gripper advances.

Current pinch roll device mainly contains two kinds: gear synchronous clamping device and the synchronous clamping device of multi link; Wherein, gear synchronous clamping device is as shown in Figure 1, specifically comprise: the neutral gear that is symmetrically set, working gear, linear servo mechanism, toothed segment synchronizing linkage, wherein, constant speed transmission it is between each gear, to realize working gear constant speed rotation wire gripper, linear servo mechanism, by speed ratio toothed segment synchronizing linkage such as connecting rod drivings, drives the change of the opening and closing between working gear. After the collars of pinch roll clamps wire rod, servosystem can drive toothed segment to be synchronized with the movement by connecting rod, and collars exports corresponding holding force and acts on wire rod up and down. Servosystem can change power output parameter at any time, is used for regulating in real time the holding force size of pinch roll collars.

As shown in Figure 2, the synchronous clamping device of multi link specifically comprises: the neutral gear that is symmetrically set, working gear, linear servo mechanism, multi link synchronizing linkage, wherein, constant speed transmission it is between each gear, to realize working gear constant speed rotation wire gripper, linear servo mechanism realizes being synchronized with the movement by multi-connecting-rod mechanism, drives the change of the opening and closing between working gear. After the collars of pinch roll clamps wire rod, servosystem by the congruent multi-connecting-rod mechanism in figure, can drive collars up and down to export corresponding holding force and act on wire rod. Servosystem can change power output parameter at any time, is used for regulating the holding force of pinch roll collars big in real time.

Although above-mentioned pinch roll device is all by regulating the power output parameter of servosystem to regulate the holding force size of pinch roll collars, but once the power output parameter of servosystem is fixed, holding force size between pinch roll collars is just fixing, and in actual production process, due to extraneous factor impacts such as steel temperature, material type, water coolant resistance, frictional force, the holding force size needed for wire rod is not invariable. Constant holding force may cause wire rod to skid because holding force crosses little, or wire rod viscous deformation because holding force is excessive.

Practical novel content

The utility model provides a kind of intelligence pinch roll, solve in prior art can not the holding force size of dynamic conditioning pinch roll, and the wire rod caused skids or the problem of viscous deformation.

According to an aspect of the present utility model, it provides a kind of intelligence pinch roll, comprising:

For the first extruded pinch roll body and the 2nd pinch roll body;

Transmission rig, the first pinch roll body and the 2nd pinch roll body are connected with transmission rig respectively, and under the effect of transmission rig, the first pinch roll body and the 2nd pinch roll body rotate around self axial direction due respectively;

Servo control mechanism, the first pinch roll body and the 2nd pinch roll body are connected with servo control mechanism respectively, under the effect of servo control mechanism, and the first pinch roll body and the 2nd pinch roll body relative movement; And,

Controlling organization, the first pinch roll body or the output terminal of transmission rig are connected with the input terminus of controlling organization, and the input terminus of servo control mechanism is connected with the output terminal of controlling organization; Wherein, controlling organization obtains the control signal of servo control mechanism according to the input and output relation set in advance, to control the output of servo control mechanism.

Can selection of land, transmission rig comprises:

For providing the drive-motor of motivating force;

First transmitting gear, is connected with drive-motor, and under the effect of drive-motor, the first transmitting gear rotates around self axial direction due; Wherein, the first pinch roll body is provided with the first working gear being meshed with the first transmitting gear;

2nd transmitting gear, is meshed with the first transmitting gear; Wherein, 2nd pinch roll body is provided with the 2nd working gear being meshed with the 2nd transmitting gear.

Can selection of land, transmission rig also comprises:

The speed-up gears group being arranged between drive-motor and the first transmitting gear.

Can selection of land, the first working gear and the first pinch roll body are coaxially arranged, and the 2nd working gear and the 2nd pinch roll body are coaxially arranged.

Can selection of land, servo control mechanism comprises:

For providing the linear servo-actuator of servo power;

Crank slide block, the first end of crank slide block is connected with linear servo-actuator;

First connecting rod, one end of first connecting rod is connected with crank slide block, and the other end of first connecting rod is connected with the first working gear;

Second connecting rod, one end of second connecting rod is connected with the first working gear, and the other end of second connecting rod is connected with the first transmitting gear;

Third connecting rod, one end of third connecting rod is connected with crank slide block, and the other end of third connecting rod is connected with the 2nd working gear;

Double leval jib, one end of double leval jib is connected with the 2nd working gear, and the other end of double leval jib is connected with the 2nd transmitting gear.

Can selection of land, when the output terminal of the first pinch roll body is connected with the input terminus of controlling organization, above-mentioned input and output close be:

$M_O=2(\frac{N-W^2+1}{tan\mathrm{\α}}-\frac{L_a}{L_b}W)$

Wherein, M_ORepresent total power output of described servo control mechanism, N represents the holding force between the first pinch roll body and the 2nd pinch roll body, �� represents place, the axle center straight line of the first transmitting gear and the first pinch roll body and the angle of the outside common tangent place straight line of the first transmitting gear and the 2nd transmitting gear, L_aRepresent the length of first connecting rod or third connecting rod, L_bRepresenting the length of second connecting rod or double leval jib, W is constant; Wherein,

$W=\frac{X_0^2+H^2-L_b^2-L_a^2}{2L_b{L}_a}$

In formula, X₀Representing the distance between the point of contact of the first transmitting gear and the 2nd transmitting gear and crank slide block, H represents the first transmitting gear or the radius of the 2nd transmitting gear.

Can selection of land, when the output terminal of transmission rig is connected with the input terminus of controlling organization, above-mentioned input and output close be:

$M_O=\frac{T_{IN}i\mathrm{\η}-2\mathrm{\μ}(W^2-1)}{tan\mathrm{\α}\mathrm{\μ}}-2\frac{L_a}{L_b}W$

Wherein, M_ORepresent total power output of servo control mechanism, T_INRepresent the output moment of drive-motor, i represents the speed ratio between transmission rig and the first pinch roll body or the 2nd pinch roll body, �� represents the transmission efficiency of transmission rig, �� represents the first pinch roll body or the frictional coefficient between the 2nd pinch roll body and wire rod, �� represents place, the axle center straight line of the first transmitting gear and the first pinch roll body and the angle of the outside common tangent place straight line of the first transmitting gear and the 2nd transmitting gear, L_aRepresent the length of first connecting rod or third connecting rod, L_bRepresenting the length of second connecting rod or double leval jib, W is constant; Wherein,

$W=\frac{X_0^2+H^2-L_b^2-L_a^2}{2L_b{L}_a}$

In formula, X₀Representing the distance between the point of contact of the first transmitting gear and the 2nd transmitting gear and crank slide block, H represents the first transmitting gear or the radius of the 2nd transmitting gear.

The useful effect of embodiment of the present utility model is:

Intelligence pinch roll of the present utility model, the holding force between the first pinch roll body and the 2nd pinch roll body is gathered by controlling organization, or gather the power output that transmission rig is total, the control signal of servo control mechanism is obtained again according to the input and output relation set in advance, to control the size of servo control mechanism power output, thus realize pinch roll and keep dynamic stability state, wire rod is avoided to produce viscous deformation because being subject to excessive holding force, or the holding force because being subject to crosses problem that the is little and skidding of pinch roll body.

Accompanying drawing explanation

Fig. 1 represents the structural representation of the synchronous clamping device of prior art middle gear;

Fig. 2 represents the structural representation of the synchronous clamping device of multi link in prior art;

Fig. 3 represents the structural representation one of intelligence pinch roll of the present utility model;

Fig. 4 represents the structural representation two of intelligence pinch roll of the present utility model.

Wherein in figure: 1, the first pinch roll body, the 2, the 2nd pinch roll body, 3, transmission rig, 4, servo control mechanism, 5, controlling organization;

11, the first working gear, the 21, the 2nd working gear;

31, drive-motor, the 32, first transmitting gear, the 33, the 2nd transmitting gear, 34, speed-up gears group;

41, linear servo-actuator, 42, crank slide block, 43, first connecting rod, 44, second connecting rod, 45, third connecting rod, 46, double leval jib.

Embodiment

Exemplary embodiment of the present utility model is described below with reference to accompanying drawings more in detail. Although show exemplary embodiment of the present utility model in accompanying drawing, it should be understood, however, that the embodiment that can realize the utility model in a variety of manners and should do not set forth here limits. On the contrary, it is provided that these embodiments are to can more thoroughly understand the utility model, and can pass on complete for scope of the present utility model to the technician of this area.

Embodiment one

As shown in Figure 3, embodiment of the present utility model provides a kind of intelligence pinch roll, specifically comprises: the first pinch roll body 1, the 2nd pinch roll body 2, transmission rig 3, servo control mechanism 4 and controlling organization 5.

Wherein, the first pinch roll body 1 and the 2nd pinch roll body 2 are oppositely arranged, and pending wire rod is positioned between the first pinch roll body 1 and the 2nd pinch roll body 2, utilize the holding force between the first pinch roll body 1 and the 2nd pinch roll body 2 extruded.

First pinch roll body 1 and the 2nd pinch roll body 2 are connected with transmission rig 3 respectively, and under the effect of transmission rig 3, the first pinch roll body 1 and the 2nd pinch roll body 2 rotate around self axial direction due respectively, to reach the object transmitting wire rod.

First pinch roll body 1 and the 2nd pinch roll body 2 are also connected with a servo control mechanism 4 respectively, under the effect of servo control mechanism 4, there is relative movement in the first pinch roll body 1 and the 2nd pinch roll body 2, with the Distance geometry holding force size changed between the first pinch roll body 1 and the 2nd pinch roll body 2, pinching of different thicknesses wire rod can be adapted on the one hand, on the other hand the adjustable holding force size to same wire rod.

Controlling organization 5 is the intelligent center of this intelligence pinch roll, it is mainly used according to the actual holding force that is subject to of wire rod or pulling force, the power output of adjustment servo control mechanism 4, pinch holding force that in process, wire rod is subject to so that whole or tension balanced even, avoid causing wire rod to skid because holding force or pulling force cross little, or because of holding force or pulling force excessive and cause the problem of wire rod viscous deformation. wherein, the input terminus of controlling organization 5 is connected with the output terminal of the first pinch roll body 1 or the 2nd pinch roll body 2 or transmission rig 3, for the holding force gathered between the first pinch roll body 1 and the 2nd pinch roll body 2, or total power output of transmission rig 3, according to the input and output relation set in advance, i.e. relation between total power output of holding force between the first pinch roll body 1 and the 2nd pinch roll body 2 or transmission rig 3 and servo control mechanism 4 power output under dynamic balance state, obtain the control signal of servo control mechanism 4, with the output of Dynamic controlling servo control mechanism 4. the holding force being subject to when wire rod or pulling force, namely when total power output of holding force between the first pinch roll body 1 and the 2nd pinch roll body 2 or transmission rig 3 changes, Controlling System utilizes presets the control signal that input and output relation calculates servo control mechanism 4, the output having controlled servo control mechanism 4 is to the change of the holding force that balances wire rod and be subject to or pulling force, to reach holding force that wire rod is subject to or the stable effect of tension balanced, avoid wire rod to skid because holding force or pulling force cross little, or because of holding force or pulling force excessive and produce distortion problem.

Embodiment two

Above embodiment one simply describes the functional component of the utility model intelligence pinch roll, and it is further detailed by the specific implementation structure below in conjunction with each functional component.

Specifically, as shown in Figure 3 and Figure 4, transmission rig 3 comprises: drive-motor 31, first transmitting gear 32, the 2nd transmitting gear 33. Wherein, first transmitting gear 32 is connected with drive-motor 31,2nd transmitting gear 33 is meshed with the first transmitting gear 32, drive-motor 31 is for providing motivating force for the first transmitting gear 32, under the effect of drive-motor 31, the first transmitting gear 32 can rotate around self axial direction due, is coordinated by gear and the 2nd transmitting gear 33 can be driven further to rotate around self axial direction due, wherein, the first transmitting gear 32 and the 2nd transmitting gear 33 are constant speed transmission.

Further, the first pinch roll body 1 being provided with the first working gear 11, first transmitting gear 32 being meshed with the first transmitting gear 32 drives the first pinch roll body 1 to rotate by the mode that gear coordinates; With reason, the 2nd pinch roll body 2 is provided with the 2nd working gear the 21, two transmitting gear 33 being meshed with the 2nd transmitting gear 33 and drives the 2nd pinch roll body 2 to rotate by the mode that gear coordinates. It is worth being pointed out that, first working gear 11 and the first pinch roll body 1 are coaxially arranged, 2nd working gear 21 and the 2nd pinch roll body 2 are coaxially arranged, taking ensure the first pinch roll body 1 and the first transmitting gear 32 as etc. rotating speed transmission, the 2nd pinch roll body 2 and the 2nd transmitting gear 33 for etc. rotating speed transmission.

Wherein, the first transmitting gear 32 and the 2nd transmitting gear 33 are symmetrical arranged, and the first pinch roll body 1 and the 2nd pinch roll body 2 are also for being symmetrical arranged.

Further, transmission rig 3 is except comprising above-mentioned parts, and transmission rig 3 also comprises: the speed-up gears group 34 being arranged between drive-motor 31 and the first transmitting gear 32. As its name suggests, the effect of speed-up gears group is for the first transmitting gear 32 speeds rotating speed, to improve the efficiency of drive-motor 31, to reach the problem saving energy consumption.

Servo control mechanism 4, as the important parts of intelligence pinch roll, specifically comprises: linear servo-actuator 41, crank slide block 42, first connecting rod 43, second connecting rod 44, third connecting rod 45 and double leval jib 46. Wherein, linear servo-actuator 41 for providing servo power for the first pinch roll body 1 and the 2nd pinch roll body 2 so that it reaches the working order of running balance. Crank slide block 41 is connected with linear servo-actuator 41, and can move linearly under the driving of linear servo-actuator 41. One end of first connecting rod 43 is connected with crank slide block 42, the other end of first connecting rod 43 is connected with the first working gear 11, when crank slide block 42 is moved under the drive of linear servo-actuator 41, orders about first connecting rod 43 and drive the first working gear 11 (or first pinch roll body 1) mobile; One end of second connecting rod 44 is connected with the first working gear 11 (or first pinch roll body 1), the other end of second connecting rod 44 is connected with the first transmitting gear 32, when the first pinch roll body 1 moves, under the traction effect of second connecting rod 44, first pinch roll body 1 and the first transmitting gear 32 can not depart from, first pinch roll body 1 revolves round the sun around the first transmitting gear 32, and the angle between first connecting rod 43 and second connecting rod 44 changes. With reason, one end of third connecting rod 45 is connected with crank slide block 42, the other end of third connecting rod 45 is connected with the 2nd working gear 21, when crank slide block 42 is moved under the drive of linear servo-actuator 41, orders about third connecting rod 45 and drive the 2nd working gear 21 (or the 2nd pinch roll body 2) mobile; One end of double leval jib 46 is connected with the 2nd working gear 21, the other end of double leval jib 46 is connected with the 2nd transmitting gear 33, when the 2nd pinch roll body 2 moves, under the traction effect of double leval jib 46,2nd pinch roll body 2 and the 2nd transmitting gear 33 can not depart from, 2nd pinch roll body 2 revolves round the sun around the 2nd transmitting gear 33, and the angle between third connecting rod 45 and double leval jib 46 changes, and the distance between the first pinch roll body 1 and the 2nd pinch roll body 2 changes.

Below the specific implementation structure of intelligence the first pinch roll body 1 of pinch roll, the 2nd pinch roll body 2, transmission rig 3 and servo control mechanism 4 is described respectively, structure is simple, component are less, it is convenient to manufacture, saves design and production cost to a certain extent.

Embodiment three

Above embodiment one and embodiment two describe the specific implementation structure of the utility model intelligence pinch roll respectively, its controlling organization and principle are described further below in conjunction with embody rule scene.

Be subject to the extraneous factor impacts such as steel temperature, material type, water coolant resistance, frictional force in the operation of rolling due to wire rod, holding force required after pinch roll body wire gripper or drawing torque are not invariable. In order to make to keep dynamic stability relation between pulling force that the servo control mechanism of this intelligence pinch roll exports and the drawing torque that wire rod is subject to, wire rod is avoided to produce viscous deformation because being subject to excessive holding force, or because of by being little holding force and collars skids, the output of servo control mechanism can be adjusted by the controlling organization of embodiment of the present utility model according to the input and output relation set in advance, and the setting of specifically input and output relation can be determined according to different connection relations.

When the output terminal of the first pinch roll body 1 is connected with the input terminus of controlling organization 5, input and output are closed and are:

$M_O=2(\frac{N-W^2+1}{tan\mathrm{\α}}-\frac{L_a}{L_b}W)$

Wherein, M_ORepresent total power output of servo control mechanism 4, N represents the holding force between the first pinch roll body 1 and the 2nd pinch roll body 2, �� represents the angle of the first transmitting gear 32 and place, the axle center straight line of the first pinch roll body 1 and the outside common tangent place straight line of the first transmitting gear 32 and the 2nd transmitting gear 33, L_aRepresent the length of first connecting rod 43 or third connecting rod 45, L_bRepresenting the length of second connecting rod 44 or double leval jib 46, W is constant; Wherein,

$W=\frac{X_0^2+H^2-L_b^2-L_a^2}{2L_b{L}_a}$

In formula, X₀Representing the distance between the point of contact of the first transmitting gear 32 and the 2nd transmitting gear 33 and crank slide block 42, H represents the first transmitting gear 32 or the radius of the 2nd transmitting gear 33.

Wherein, wire rod meets statics balance relation in by clamping process, when ignoring part deadweight, external interference source factor, can obtain equation (1) according to virtual work principle:

${\mathrm{F\δ}}_{X_F}+{\mathrm{N\δ}}_{Y_N}=0---\left(1\right)$

Wherein,Expression power F in the virtual displacement of horizontal direction as shown in Figure 4,Expression power F in the virtual displacement of vertical direction as shown in Figure 4, X_FAnd Y_NExpression formula as follows:

X_F=L_bcos��+L_acos��(2)

Y_N=L_bsin��(3)

Expression formula (2) and (3) are carried out differential can obtain:

${\mathrm{\δ}}_{X_F}=-L_b{\mathrm{sin\α\δ}}_{\mathrm{\α}}+L_a\frac{\mathrm{\δ}cos\mathrm{\β}}{\mathrm{\δ}\mathrm{\α}}---\left(4\right)$

${\mathrm{\δ}}_{Y_N}=L_b{\mathrm{cos\α\δ}}_{\mathrm{\α}}---\left(5\right)$

Order:

L_bcos��+L_aCos ��=X₀(6)

L_asin��+L_bSin ��=-H (7)

After formula (6) and formula (7) difference square, can obtain:

$\mathrm{\α}-\mathrm{\β}=\arccos \left(\frac{X_0^2+H^2-L_b^2-L_a^2}{2L_b{L}_a}\right)\frac{\mathrm{\δ}cos\mathrm{\β}}{\mathrm{\δ}\mathrm{\α}}---\left(8\right)$

In order to simplify calculating, orderThen formula (8) can be reduced to:

��=��-arccosW (9)

Formula (4), (5) and (9) are substituted into formula (1), the relation between the holding force N between the first pinch roll body 1 and the 2nd pinch roll the body 2 and power output F of servo control mechanism 4 can be obtained:

$F=\frac{N-W^2+1}{tan\mathrm{\α}}-\frac{L_a}{L_b}W$

Wherein, M₀=2F, then obtain:

$M_O=2(\frac{N-W^2+1}{tan\mathrm{\α}}-\frac{L_a}{L_b}W)---\left(10\right)$

Controlling organization 5, when the holding force collected between the first pinch roll body 1 and the 2nd pinch roll body 2, obtains total power output of servo control mechanism 4, thus controls the output of servo control mechanism 4 according to formula (10). Wherein, when being subject to external world's changing factor interference such as steel temperature, material type, cooling water pressure, the water yield, the electric current of drive-motor 31 changes, thus the holding force causing wire rod to be subject to changes, break to prevent wire rod or not clamping skidding between wire rod and pinch roll body, need the output pulling force to servo control mechanism 4 to regulate, make drive-motor 31 be in dynamic balance state with the linear servo-actuator 41 of servo control mechanism 4.

Embodiment four

The intelligence controlling organization of pinch roll of the present utility model and principle have been made exemplary illustration by embodiment three, below the present embodiment four will introduce another kind of implementation of its controlling organization and principle.

When the output terminal of transmission rig 3 is connected with the input terminus of controlling organization 5, input and output are closed and are:

$M_O=\frac{T_{IN}i\mathrm{\η}-2\mathrm{\μ}(W^2-1)}{tan\mathrm{\α}\mathrm{\μ}}-2\frac{L_a}{L_b}W$

Wherein, M₀Represent total power output of servo control mechanism 4, T_INRepresent the output moment of drive-motor 31, i represents the speed ratio between transmission rig 3 and the first pinch roll body 1 or the 2nd pinch roll body 2, �� represents the transmission efficiency of transmission rig 3, �� represents the first pinch roll body 1 or the frictional coefficient between the 2nd pinch roll body 2 and wire rod, �� represents the angle of the first transmitting gear 32 and place, the axle center straight line of the first pinch roll body 1 and the outside common tangent place straight line of the first transmitting gear 32 and the 2nd transmitting gear 33, L_aRepresent the length of first connecting rod 43 or third connecting rod 45, L_bRepresenting the length of second connecting rod 44 or double leval jib 46, W is constant; Wherein,

$W=\frac{X_0^2+H^2-L_b^2-L_a^2}{2L_b{L}_a}$

In formula, X₀Representing the distance between the point of contact of the first transmitting gear 32 and the 2nd transmitting gear 33 and crank slide block 42, H represents the first transmitting gear 32 or the radius of the 2nd transmitting gear 33.

Wherein, owing to the crank slide block 42 below rolling line is completely identical with the mechanism on rolling line, therefore pulling force T suffered by wire rod is:

T=2N �� (11)

Formula (11) is substituted into total power output M that formula (10) can obtain linear servo-actuator 41₀And pinch roll body is to the relation between the pulling force T of wire rod:

$M_O=\frac{T-2\mathrm{\μ}(W^2-1)}{\tan \mathrm{\α}\mathrm{\μ}}-2\frac{L_a}{L_b}W---\left(12\right)$

Due to, the output moment T of drive-motor 31_INAnd the pass between the pulling force T that wire rod is subject to is: T=T_INI ��, wherein i is the speed ratio of pinch roll transmission system, and �� is the efficiency of transmission system. Carry it in equation (12), obtain total power output M of servo control mechanism 4_OWith the output moment T of drive-motor_INBetween relation:

$M_O=\frac{T_{IN}i\mathrm{\η}-2\mathrm{\μ}(W^2-1)}{tan\mathrm{\α}\mathrm{\μ}}-2\frac{L_a}{L_b}W---\left(13\right)$

Controlling organization 5, when collecting the output moment of drive-motor 31, obtains total power output of servo control mechanism 4, thus controls the output of servo control mechanism 4 according to formula (13). Wherein, when being subject to external world's changing factor interference such as steel temperature, material type, cooling water pressure, the water yield, the electric current of drive-motor 31 changes, thus cause it to export moment and change, break to prevent wire rod or not clamping skidding between wire rod and pinch roll body, need the output pulling force to servo control mechanism 4 to regulate, make drive-motor 31 be in dynamic balance state with the linear servo-actuator 41 of servo control mechanism 4.

Above-described is preferred implementation of the present utility model; should be understood that the common personnel for the art; can also making some improvements and modifications under principle prerequisite described in the utility model not departing from, these improvements and modifications are also in protection domain of the present utility model.

Claims (7)

1. an intelligent pinch roll, it is characterised in that, comprising:

For the first extruded pinch roll body (1) and the 2nd pinch roll body (2);

Transmission rig (3), described first pinch roll body (1) and described 2nd pinch roll body (2) are connected with described transmission rig (3) respectively, under the effect of described transmission rig (3), described first pinch roll body (1) and the 2nd pinch roll body (2) rotate around self axial direction due respectively;

Servo control mechanism (4), described first pinch roll body (1) and described 2nd pinch roll body (2) are connected with described servo control mechanism (4) respectively, under the effect of described servo control mechanism (4), described first pinch roll body (1) and described 2nd pinch roll body (2) relative movement; And,

Controlling organization (5), described first pinch roll body (1) or the output terminal of described transmission rig (3) are connected with the input terminus of described controlling organization (5), and the input terminus of described servo control mechanism (4) is connected with the output terminal of described controlling organization (5); Wherein, described controlling organization (5) obtains the control signal of described servo control mechanism (4) according to the input and output relation set in advance, to control the output of described servo control mechanism (4).

2. intelligence pinch roll according to claim 1, it is characterised in that, described transmission rig (3) comprising:

For providing the drive-motor (31) of motivating force;

First transmitting gear (32), is connected with described drive-motor (31), and under the effect of described drive-motor (31), described first transmitting gear (32) is rotated around self axial direction due; Wherein, described first pinch roll body (1) is provided with and the first working gear (11) that described first transmitting gear (32) is meshed;

2nd transmitting gear (33), is meshed with described first transmitting gear (32); Wherein, described 2nd pinch roll body (2) is provided with and the 2nd working gear (21) that described 2nd transmitting gear (33) is meshed.

3. intelligence pinch roll according to claim 2, it is characterised in that, described transmission rig (3) also comprises:

The speed-up gears group (34) being arranged between described drive-motor (31) and described first transmitting gear (32).

4. intelligence pinch roll according to claim 2, it is characterized in that, described first working gear (11) and described first pinch roll body (1) are coaxially arranged, and described 2nd working gear (21) and described 2nd pinch roll body (2) are coaxially arranged.

5. intelligence pinch roll according to claim 2, it is characterised in that, described servo control mechanism (4) comprising:

For providing the linear servo-actuator (41) of servo power;

Crank slide block (42), the first end of described crank slide block (42) is connected with described linear servo-actuator (41);

First connecting rod (43), one end of described first connecting rod (43) is connected with described crank slide block (42), and the other end of described first connecting rod (43) is connected with described first working gear (11);

Second connecting rod (44), one end of described second connecting rod (44) is connected with described first working gear (11), and the other end of described second connecting rod (44) is connected with described first transmitting gear (32);

Third connecting rod (45), one end of described third connecting rod (45) is connected with described crank slide block (42), and the other end of described third connecting rod (45) is connected with described 2nd working gear (21);

Double leval jib (46), one end of described double leval jib (46) is connected with described 2nd working gear (21), and the other end of described double leval jib (46) is connected with described 2nd transmitting gear (33).

6. intelligence pinch roll according to claim 5, it is characterised in that, when the described output terminal of the first pinch roll body (1) is connected with the input terminus of described controlling organization (5), described input and output are closed and are:

Wherein, M_oRepresent total power output of described servo control mechanism (4), N represents the holding force between described first pinch roll body (1) and described 2nd pinch roll body (2), �� represents the angle of the outside common tangent place straight line of the axle center place straight line of described first transmitting gear (32) with described first pinch roll body (1) and described first transmitting gear (32) and described 2nd transmitting gear (33), L_aRepresent described first connecting rod (43) or the length of described third connecting rod (45), L_bRepresenting the length of described second connecting rod (44) or described double leval jib (46), W is constant; Wherein,

In formula, X₀Representing the distance between the point of contact of described first transmitting gear (32) and described 2nd transmitting gear (33) and described crank slide block (42), H represents described first transmitting gear (32) or the radius of described 2nd transmitting gear (33).

7. intelligence pinch roll according to claim 5, it is characterised in that, when the output terminal of described transmission rig (3) is connected with the input terminus of described controlling organization (5), described input and output are closed and are:

Wherein, M_oRepresent total power output of described servo control mechanism (4), T_INRepresent the output moment of described drive-motor (31), i represents the speed ratio between described transmission rig (3) and described first pinch roll body (1) or described 2nd pinch roll body (2), �� represents the transmission efficiency of transmission rig (3), �� represents described first pinch roll body (1) or the frictional coefficient between described 2nd pinch roll body (2) and wire rod, �� represents the angle of the outside common tangent place straight line of the axle center place straight line of described first transmitting gear (32) with described first pinch roll body (1) and described first transmitting gear (32) and described 2nd transmitting gear (33), L_aRepresent described first connecting rod (43) or the length of described third connecting rod (45), L_bRepresenting the length of described second connecting rod (44) or described double leval jib (46), W is constant; Wherein,

In formula, X₀Representing the distance between the point of contact of described first transmitting gear (32) and described 2nd transmitting gear (33) and described crank slide block (42), H represents described first transmitting gear (32) or the radius of described 2nd transmitting gear (33).