CN202116941U

CN202116941U - Hydraulic system of paper roll erecting machine

Info

Publication number: CN202116941U
Application number: CN2011201934725U
Authority: CN
Inventors: 刘定华; 陈松伟
Original assignee: Hunan Boroto Hydraulic Equipment Co Ltd; Changsha Chaint Machinery Co Ltd
Current assignee: Hunan Boroto Hydraulic Equipment Co Ltd; Chaint Corp
Priority date: 2011-06-10
Filing date: 2011-06-10
Publication date: 2012-01-18
Anticipated expiration: 2021-06-10

Abstract

Disclosed is a hydraulic system of a paper roll erecting machine. A one-way valve, an overflow valve, a two-position electromagnetic reversing valve, a first three-position electromagnetic reversing valve, a second three-position electromagnetic reversing valve, a first balancing valve, a second balancing valve and a proportional flow valve are mounted on an integrated block in a centralized manner and are communicated by the aid of internal porous channels in the integrated block according to a hydraulic principle, a hydraulic pump is connected with an oil inlet of the integrated block by a hydraulic pipeline, outlets A1 and B1 of the integrated block are controlled by the first three-position electromagnetic reversing valve and connected with two first parallel-connection operating oil cylinders of a first erecting machine by hydraulic pipelines, and outlets A2 and B2 of the integrated block are controlled by the second three-position electromagnetic reversing valve and connected with two parallel-connection second operating oil cylinders of a second erecting machine. The erecting machines are driven to move by the aid of hydraulic transmission and control technology, so that the erecting machines move stably, movement speeds of the erecting machines can be adjusted in real time, damage to paper due to movement impact is eliminated, energy is saved, work efficiency is improved, noise of equipment is lowered, and the service life of the equipment is prolonged.

Description

Paper roll erects the body machine hydraulic system

Affiliated technical field

The utility model belongs to papermaking equipment, is a kind of perpendicular body machine hydraulic system of paper roll that finished roll is become vertical placement by horizontal positioned.

Background technology

In papermaking equipment, have and a kind ofly change finished roll the equipment of vertical placement into by horizontal positioned, be called the perpendicular body machine of paper roll.In the prior art, gear drive, chain gear transmission etc. are adopted in the driving of the perpendicular body machine of paper roll more, but these kinds of drive controlled motion speed effectively, so efficient is low, paper roll are impacted big, and also there are shortcomings such as noise is big, wearing and tearing are big in this type transmission simultaneously.

The utility model content

The utility model aims to provide the hydraulic system of the perpendicular body machine of a kind of paper roll that overcomes above-mentioned prior art weak point, adopts hydraulic drive and control technology to drive perpendicular body machine easy motion, makes that perpendicular body machine opens, low velocity motion during off-position, middle part rapid movement.

The technical scheme that utility model is dealt with problems is:

Paper roll erects the body machine hydraulic system; Check valve, overflow valve, two solenoid directional control valves, the first three-position electromagnetic reversal valve, the second three-position electromagnetic reversal valve, first balanced valve, second balanced valve and proportional flow control valves are installed concentratedly on integrated package, press hydraulic principle through the duct, inside in the integrated package and connect; Pressure taps is set on the integrated package is used to connect Pressure gauge; Hydraulic pump links to each other with the oil-in of integrated package through conduit under fluid pressure; Integrated package outlet A1, B1 by the control of the first three-position electromagnetic reversal valve link to each other through two the first parallel operation oil cylinders of conduit under fluid pressure with the first perpendicular body machine, and the integrated package outlet A2, the B2 that are controlled by the second three-position electromagnetic reversal valve link to each other through two parallel connection second operating cylinders of conduit under fluid pressure with the second perpendicular body machine; The oil return opening of integrated package links to each other with fuel tank with cooler, filter polyphone back through conduit under fluid pressure.

Use cover plate to replace driving and control that one group of control valve group can conveniently realize two stations, the perpendicular body machine of single station.

Utility model principle: utilize hydraulic pump that electric energy is converted into the hydraulic pressure ability, do 90o upset to drive perpendicular body machine at vertical guide through the direction of motion of solenoid directional control valve control hydraulic jack, thereby realize that paper roll becomes vertical placement by horizontal positioned; The movement velocity of the hydraulic jack of proportion of utilization flow valve control simultaneously with realize perpendicular body machine open, the low speed buffering of off-position and the rapid movement of interposition; Adopt hinged installation form to make conversion of motion the rotatablely moving of straight line oil pressure oil cylinder for perpendicular body machine; Use balanced valve to guarantee to erect the arbitrfary point of body function in the 90o range of movement and hover, guarantee that perpendicular body machine can not fall to causing personal injury or device damage accident because of deadweight when contingency appears in power source; Then utilize solenoid directional control valve to make hydraulic oil at holding state, can make system unloaded and save the energy, can regulate the oil temperature again and control the cleannes of fluid, the service life of support equipment through cooler, filter straight gyrus fuel tank; Use two groups of control valve groups, can control the perpendicular body machine work of two different stations respectively.

The advantage of utility model and progressive effect: utilize hydraulic drive and control technology to drive perpendicular body machine motion; Make perpendicular body machine easy motion, but and the movement velocity of movement velocity real-time regulated, eliminate the paper that causes because of the motion impact and damage; Save the energy; Increase work efficiency, reduce noise of equipment, prolong service life of equipment.A cover hydraulic system utilizes the fluid pressure line connection can drive the work of two perpendicular body machines in the utility model, has made full use of device resource.

Description of drawings

Fig. 1 is the perpendicular body machine hydraulic system schematic diagram of paper roll.

Among the figure: the 1-fuel outlet valve; The 2-liquid level display; The 3-air filter; The 4-fluid level controller; The 5-fuel tank; The 6-hydraulic pump; The 7-motor; The 8-check valve; The 9-overflow valve; The 10-Pressure gauge; The 11-first three-position electromagnetic reversal valve; 12-first balanced valve; 13-first operating cylinder; The 14-second three-position electromagnetic reversal valve; 15-second balanced valve; 16-second operating cylinder; The 17-proportional flow control valve; Two solenoid directional control valves of 18-; The 19-cooler; The 20-filter.

The specific embodiment

Further introduce the content of utility model below in conjunction with accompanying drawing and embodiment.

As shown in the figure; Fuel tank 5 is used for storage dress working media-hydraulic oil; The impurity that sump oil when fuel outlet valve 1 is used for the cleaning fluid pressing system in the discharging fuel tank 5, air filter 3 are used for keeping atmospheric pressure and filtered air in the fuel tank with, keep the cleaning of hydraulic oil; Liquid level display 2 is used for intuitively showing the fluid amount in the fuel tank 5, the fluid amount when fluid level controller 4 is used for controlling automatically in the monitoring fuel tank 5; With the hydraulic pump 6 delivery hydraulic pressure energy; Check valve 8, overflow valve 9 guarantee security of system; Two solenoid directional control valves 18, dead electricity can control the work and the unloading condition of system, the direction of motion of the first three-position electromagnetic reversal valve 11, the perpendicular body machine of the second three-position electromagnetic reversal valve, 14 controls; First balanced valve 12 and second balanced valve 15 produce back pressure; Prevent that perpendicular body machine from producing because of deadweight; And can make perpendicular body machine motion steadily; The reversal rate of the perpendicular body machine of proportional flow control valve 17 controls, the dustiness that cooler 19, filter 20 are used to regulate hydraulic oil oil temperature and control hydraulic oil, Pressure gauge 10 is used for the unusual of manual monitoring system pressure.

Check valve 8, overflow valve 9, two solenoid directional control valves 18, the first three-position electromagnetic reversal valve 11, the second three-position electromagnetic reversal valve 14, first balanced valve 12, second balanced valve 15, proportional flow control valve 17 are installed concentratedly on integrated package; Press hydraulic principle through the duct, inside in the integrated package and connect, be provided with pressure taps on the integrated package and be used to connect Pressure gauge 10.

Hydraulic pump 6 links to each other with the oil-in of integrated package through conduit under fluid pressure.

Integrated package outlet A1, B1 by 11 controls of the first three-position electromagnetic reversal valve link to each other through two parallel operation oil cylinders 13 of conduit under fluid pressure with the first perpendicular body machine.

Integrated package outlet A2, B2 by 14 controls of the second three-position electromagnetic reversal valve link to each other through two parallel connections, second operating cylinder 16 of conduit under fluid pressure with the second perpendicular body machine.

The oil return opening of integrated package links to each other with fuel tank 5 with cooler 19, filter 20 polyphone backs through conduit under fluid pressure.

Use cover plate to replace driving and control that one group of control valve group can realize two stations, the perpendicular body machine of single station easily.

Motor 7 drives hydraulic pumps 6 runnings, and hydraulic oil is sucked oil pumps and is pressed out to the system from fuel tank 5, and making electric energy be converted into hydraulic pressure can; Check valve 8 assurance fluid can not flow backwards and cause the oil pump counter-rotating and damage oil pump, overflow valve 9 initialization system safe-working pressures, and protection system can not destroyed because of superpressure.Pressure gauge 10 display system actual working pressures are convenient to manual monitoring.During electromagnet YA1 dead electricity, the hydraulic oil that gets into system is back in the fuel tank through two solenoid directional control valves 18, cooler 19, filters 20, this moment system unloaded, pressure is close to 0, system is in holding state with the least energy consumption dry run; Electromagnet YA1 gets electric, then two solenoid directional control valve 18 switching-overs, and system sets up oil pressure and gets into duty.This moment, electromagnet YA4 got the electric first three-position electromagnetic reversal valve, the 11 right position work that make; The hydraulic oil of entering system gets into the rodless cavity of the first perpendicular body machine operating cylinder 13 through the unidirectional bypass of the first three-position electromagnetic reversal valve 11, first balanced valve 12; Hydraulic oil promotes the piston of first operating cylinder 13; First operating cylinder 13 is stretched out; The hydraulic oil in the rod chamber is oppressed and extruded to the piston of first operating cylinder 13 again, flows back in the fuel tank 5 through solenoid directional control valve 11, proportional flow control valve 17, cooler 19, filter 20, accomplishes stretching out and drive perpendicular body machine and accomplishing the 90o rotary movement of first operating cylinder 13; After first operating cylinder 13 stretches out and puts in place; Make electromagnet YA4 dead electricity, electromagnet YA3 gets electric, 11 left side position work of the first three-position electromagnetic reversal valve; Hydraulic oil gets into the rod chamber of first perpendicular body machine first operating cylinder 13 through the first three-position electromagnetic reversal valve 11; Hydraulic oil promotes the piston of first operating cylinder 13, and first operating cylinder 13 is regained, and the piston of first operating cylinder 13 is oppressed the hydraulic oil in the rodless cavity again; Make the oil pressure rising and open first balanced valve 12; Fluid in the oil cylinder rodless cavity is flowed back in the fuel tank 5 through first balanced valve 12, solenoid directional control valve 11, proportional flow control valve 17, cooler 19, filter 20, and oil cylinder resets and drives and erects body machine homing, gets into the wait state of next operation cycle.In the optional position of perpendicular body machine motion, as when accident such as power failure, motor, oil pump damages, power failure occurring, first balanced valve can in time cut out to make and erect the body machine and hover unlikely personal injury or the device damage accident of causing;

The utility model is strong and weak through Controlled by Programmable Controller proportion electro-magnet YA2 input signal; Make proportion electro-magnet YA2 pro rata the size of control ratio flow valve 17 apertures control the flow size of the proportional flow control valve 17 of flowing through; Thereby change the movement velocity of operating cylinder 13, second operating cylinder 16 in real time; Also just controlled the flip-flop movement speed of perpendicular body machine effectively; Make perpendicular body function easy motion and can open, off-position obtains deceleration buffer, and the hydraulic oil of flow through all the time cooler, filter can obtain temperature adjusting and regulates and control with cleannes.

A cover hydraulic system can be controlled the work of two perpendicular body machines in the utility model; The action of the action of the second perpendicular body machine and the first perpendicular body machine is identical; Can make the perpendicular body machine of system drive different size through second balanced valve 15 that uses different size, random combination can drive the perpendicular body machine of two identical or different specifications; As only needing to drive a perpendicular body machine, then can the control valve group of the second perpendicular body machine be got final product with the cover plate replacement.

Claims

1. paper roll erects the body machine hydraulic system; It is characterized in that: check valve, overflow valve, two solenoid directional control valves, the first three-position electromagnetic reversal valve, the second three-position electromagnetic reversal valve, first balanced valve, second balanced valve and proportional flow control valves are installed concentratedly on integrated package, press hydraulic principle through the duct, inside in the integrated package and connect; Pressure taps is set on the integrated package is used to connect Pressure gauge; Hydraulic pump links to each other with the oil-in of integrated package through conduit under fluid pressure; Integrated package outlet A1, B1 by the control of the first three-position electromagnetic reversal valve link to each other through two parallel connection first operating cylinders of conduit under fluid pressure with the first perpendicular body machine, and the integrated package outlet A2, the B2 that are controlled by the second three-position electromagnetic reversal valve link to each other through two parallel connection second operating cylinders of conduit under fluid pressure with the second perpendicular body machine; The oil return opening of integrated package links to each other with fuel tank with cooler, filter polyphone back through conduit under fluid pressure.

2. is characterized in that according to the perpendicular body machine hydraulic system of the paper roll of claim 1: use cover plate to replace driving and control that one group of control valve group realizes the perpendicular body machine of single station.