CN209240342U - A kind of rubber calender hydraulic distance-regulating device - Google Patents

Abstract

The utility model discloses a kind of rubber calender hydraulic distance-regulating devices, including servo-cylinder, magnetostrictive displacement sensor, first pressure sensor, second pressure sensor, pilot valve, hydraulic servo controller and as the pumping plant of power source, the pumping plant connect with the rodless cavity of servo-cylinder and rod chamber respectively by pilot valve and constitutes hydraulic circuit；The rodless cavity end of the servo-cylinder is provided with magnetostrictive displacement sensor, and first pressure sensor is provided on the pipeline of the rodless cavity hydraulic fluid port of the servo-cylinder, is provided with second pressure sensor on the pipeline of the rod chamber hydraulic fluid port of the servo-cylinder.The utility model load capacity is big, positioning accuracy is high, and response is fast, and working efficiency is improved in the target position that energy real-time response hydraulic servo controller provides；Equipment is not easy to damage, and safety is good.

Description

A kind of rubber calender hydraulic distance-regulating device

Technical field

The utility model relates to rubber calender technical field, specially a kind of rubber calender hydraulic distance-regulating device.

Background technique

Rubber calender roll-setting gear existing on the market domestic at present is all mechanical roll adjustment, passes through the rotation band of motor The very huge speed reducer of a reduction ratio is moved to achieve the effect that adjustable range, generally there are defects below:

1, the load capacity of roll adjustment method this first receives power of motor and speed reducer limitation, can not drive big Load, is unable to satisfy the use for needing load capacity to reach up to a hundred or even upper kiloton occasion.

2, there are mechanical clearances between motor and speed reducer connection, and must convert angular displacement to during roll adjustment Straight-line displacement, this position mode can generate unnecessary error, and positioning accuracy is poor.

3, mechanical roll adjustment in order to meet positioning accuracy and load capacity, selected speed reducer be it is very big, so just making At positioning slowly this unfavorable factor, and after reaching predeterminated target, it is necessary to lock current location with mechanical lock, such as Fruit will adjust positioning target, it is also necessary to unlock mechanical lock and execute positioning, without real-time, working efficiency is low.

4, for mechanical roll adjustment since the given of driving force is motor, motor can not stall, that is to say, that during roll adjustment, electricity Machine, which has had the power more than load capacity itself, to be burnt, the distance that no any elasticity is reconciled.

Utility model content

The purpose of this utility model is to provide a kind of rubber calender hydraulic distance-regulating devices, to solve above-mentioned background technique The problem of middle proposition.

To achieve the above object, the utility model provides the following technical solutions:

A kind of rubber calender hydraulic distance-regulating device, including servo-cylinder, magnetostrictive displacement sensor, first pressure pass Sensor, second pressure sensor, pilot valve, hydraulic servo controller and the pumping plant as power source, the pumping plant pass through Pilot valve connect with the rodless cavity of servo-cylinder and rod chamber respectively and constitutes hydraulic circuit；The servo-cylinder Rodless cavity end is provided with magnetostrictive displacement sensor, is provided with first on the pipeline of the rodless cavity hydraulic fluid port of the servo-cylinder Pressure sensor is provided with second pressure sensor on the pipeline of the rod chamber hydraulic fluid port of the servo-cylinder；The magnetostriction The signal output end of displacement sensor, first pressure sensor and second pressure sensor is corresponding with hydraulic servo controller respectively Signal input part connection；It is additionally provided with SERVO CONTROL valve control, the signal input part of the pilot valve passes through servo Control valve control is connected with signal output end corresponding in hydraulic servo controller；The SERVO CONTROL valve control is PWM Servo controller.

Preferably, the pumping plant includes the servo motor of pump and transfer tube rotation, is provided with correspondence on the servo motor Rotary encoder, the rotary encoder with control servo motor rotation variable frequency drives connect.

Preferably, the signal input part of the variable frequency drives connects with signal output end corresponding in hydraulic servo controller It connects.

It preferably, further include overflow module, inverting module, pressure-reduction module or pressure maintaining module on the pumping plant.

Preferably, the hydraulic servo controller is DELTA motion controller.

Preferably, the magnetostrictive displacement sensor is the contactless mangneto telescopic displacement sensor of absolute value.

Compared with prior art, the utility model has the beneficial effects that

1, hydraulic distance-regulating is selected, compared to motor-driven mechanical roll adjustment, there is bigger load capacity.

2, hydraulic distance-regulating is that pilot valve direct drive servovalve oil cylinder realizes positioning, servo-cylinder itself is exactly straight line position It moves, positioning accuracy increases.

3, the situation that positioning is slow caused by speed reducer is excessive when compared to mechanical roll adjustment, working efficiency is low, hydraulic tune Away from can all stop and not influence load capacity in any position, response is fast, and energy real-time response hydraulic servo controller provides Working efficiency is improved in target position.

4, for mechanical roll adjustment since the given of driving force is motor, motor can not stall, that is to say, that during roll adjustment, electricity Machine, which has had the power more than load capacity itself, to be burnt, the distance that no any elasticity is reconciled, and hydraulic distance-regulating because hold very much Overflow module easily is added, so servo-cylinder has very big power once during roll adjustment, can also be unloaded by overflow module Power.To play the role of protective device.

In conclusion the utility model load capacity is big, positioning accuracy is high, response is fast, can real-time response hydraulic servo controller Working efficiency is improved in the target position provided；Equipment is not easy to damage, and safety is good.

Detailed description of the invention

Fig. 1 is a kind of structural schematic diagram of rubber calender hydraulic distance-regulating device；

Fig. 2 is a kind of principle sketch of rubber calender hydraulic distance-regulating device.

In figure: 1- servo-cylinder, 2- magnetostrictive displacement sensor, 3- first pressure sensor, 4- second pressure sensing Device, 5- pilot valve, 6- hydraulic servo controller, 7- SERVO CONTROL valve control, 8- pump, 9- servo motor, 10- rotation are compiled Code device, 11- variable frequency drives.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1~2 are please referred to, the utility model provides a kind of technical solution: a kind of rubber calender hydraulic distance-regulating device, packet Include servo-cylinder 1, magnetostrictive displacement sensor 2, first pressure sensor 3, second pressure sensor 4, pilot valve 5, Hydraulic servo controller 6 and pumping plant as power source, the pumping plant pass through the nothing with servo-cylinder 1 respectively of pilot valve 5 Rod cavity and rod chamber connect and constitute hydraulic circuit；The rodless cavity end of the servo-cylinder 1 is provided with magnetostriction position Displacement sensor 2 is provided with first pressure sensor 3, the servo-cylinder on the pipeline of the rodless cavity hydraulic fluid port of the servo-cylinder 1 Second pressure sensor 4 is provided on the pipeline of 1 rod chamber hydraulic fluid port；The magnetostrictive displacement sensor 2, first pressure pass The signal input part connection corresponding with hydraulic servo controller 6 respectively of the signal output end of sensor 3 and second pressure sensor 4； Be additionally provided with SERVO CONTROL valve control 7, the signal input part of the pilot valve 5 by SERVO CONTROL valve control 7 with Corresponding signal output end connection in hydraulic servo controller 6；The SERVO CONTROL valve control 7 is PWM servo controller.

Alternatively, the pumping plant includes the servo motor 9 that pump 8, transfer tube 8 rotate, on the servo motor 9 It is provided with corresponding rotary encoder 10, the variable frequency drives 11 that the rotary encoder 10 is rotated with control servo motor 9 connect It connects.

Alternatively, the signal input part of the variable frequency drives 11 is corresponding in hydraulic servo controller 6 Signal output end connection.

It alternatively, further include overflow module, inverting module, pressure-reduction module or pressure maintaining module on the pumping plant, By adding above-mentioned functional module, different use demands can satisfy.

Alternatively, the hydraulic servo controller 6 is DELTA motion controller,

Alternatively, the magnetostrictive displacement sensor 2 is that the contactless mangneto telescopic displacement of absolute value passes Sensor.

The working principle of the utility model is: passing through magnetostrictive displacement sensor 2 in use, provide power by pumping plant Detect and feedback servo oil cylinder 1 current position signal and speed analog signal, hydraulic servo controller 6 receive position signal and After speed analog signal, by SERVO CONTROL valve control 7 come the flow of real-time monitoring pilot valve 5, to control oil cylinder Speed and the positioning for finally realizing oil cylinder.

First pressure sensor 3 and second pressure sensor 4 are capable of 1 rod chamber of real-time detection servo-cylinder and rodless cavity Pressure difference simultaneously feeds back the signal to hydraulic servo controller 6, and when pressure difference is excessive, hydraulic servo controller 6 exports a pulse letter Number SERVO CONTROL valve control 7 is given, the point of electromagnet that then SERVO CONTROL valve control 7 regulates and controls pilot valve 5 changes it To retracting servo-cylinder 1, until pressure difference is reduced to setting value or less, avoid load pressure is excessive from leading to servo-cylinder 1 Damage.

It should be noted that the pilot valve 5 used in the application is common pilot valve 5 on the market, such as MOOG servo valve or Bosch servo valve etc., SERVO CONTROL valve control 7 are auxiliary products, therefore its specific structure and company The relationship those skilled in the art of connecing need to only read its specification and can grasp easily, therefore repeat no more.

In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical", The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ", " third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.

It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting Related claim.

In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiments being understood that.

Claims (6)

1. a kind of rubber calender hydraulic distance-regulating device, which is characterized in that sensed including servo-cylinder (1), magnetostrictive displacement Device (2), first pressure sensor (3), second pressure sensor (4), pilot valve (5), hydraulic servo controller (6) and work For the pumping plant of power source, the pumping plant is connect with the rodless cavity of servo-cylinder (1) and rod chamber respectively by pilot valve (5) And constitute hydraulic circuit；The rodless cavity end of the servo-cylinder (1) is provided with magnetostrictive displacement sensor (2), institute It states and is provided with first pressure sensor (3) on the pipeline of the rodless cavity hydraulic fluid port of servo-cylinder (1), servo-cylinder (1) has Second pressure sensor (4) are provided on the pipeline of rod cavity hydraulic fluid port；The magnetostrictive displacement sensor (2), first pressure pass The signal output end of sensor (3) and second pressure sensor (4) signal input part corresponding with hydraulic servo controller (6) respectively Connection；It is additionally provided with SERVO CONTROL valve control (7), the signal input part of the pilot valve (5) passes through pilot valve Controller (7) is connected with signal output end corresponding on hydraulic servo controller (6)；The SERVO CONTROL valve control (7) is PWM servo controller.

2. a kind of rubber calender hydraulic distance-regulating device according to claim 1, which is characterized in that the pumping plant includes pump (8) and the servo motor (9) of transfer tube (8) rotation, corresponding rotary encoder (10) is provided on the servo motor (9), The rotary encoder (10) connect with the variable frequency drives (11) of control servo motor (9) rotation.

3. a kind of rubber calender hydraulic distance-regulating device according to claim 2, which is characterized in that the variable frequency drives (11) signal input part is connected with signal output end corresponding on hydraulic servo controller (6).

4. a kind of rubber calender hydraulic distance-regulating device according to claim 2, which is characterized in that also wrapped on the pumping plant Include overflow module, inverting module, pressure-reduction module or pressure maintaining module.

5. a kind of rubber calender hydraulic distance-regulating device according to claim 1, which is characterized in that the hydraulic servo control Device (6) processed is DELTA motion controller.

6. a kind of rubber calender hydraulic distance-regulating device according to claim 1, which is characterized in that the magnetostriction position Displacement sensor (2) is the contactless mangneto telescopic displacement sensor of absolute value.