CN211799065U - Automatic filter plate opening mechanism and corresponding automatic filter press - Google Patents

Abstract

The utility model discloses an automatic mechanism of opening and corresponding automatic pressure filter of pulling of filter plate, the automatic mechanism of opening of pulling of filter plate mainly includes hydraulic motor, manipulator, drive mechanism, pause device, the stop device that falls, and its characterized in that changes split type stop device that falls into the integral type stop device that falls, should fall stop device including falling cab apron, spacing, PMKD, adjusting screw and adjusting nut etc. simple structure. The position of spacing can carry out the forward and backward adjustment according to actual conditions, ensures that spacing and the installation distance of suppressing the board are accurate, and when the arm-tie dolly retreated to spacing, the driving lever of arm-tie dolly got back to the position of suppressing under the effect of suppressing the cab apron, and the dolly rear portion just in time touched spacing this moment, and the nipper is accurate reliable, the arm-tie is swift high-efficient. The over-pressure transition plate is in smooth transition, and the impact force applied to the deflector rod in the over-pressure process is reduced. The utility model discloses both improve the reliability of automatic arm-tie, shortened intermittent type nature idle stroke time again, improved production efficiency.

Description

Automatic filter plate opening mechanism and corresponding automatic filter press

Technical Field

The utility model belongs to the technical field of automatic pressure filter, a automatic mechanism that opens that draws of filter plate is related to.

Background

The filter press is a general intermittent operation pressure filtration device, and the automatic filter press is a filter press with a filter plate automatic opening mechanism (also known as a plate pulling mechanism and a plate pulling trolley), and is suitable for solid-liquid separation of various suspensions. The automatic filter press mainly comprises a frame, a pressing mechanism, a filtering mechanism, a pulling plate mechanism, a hydraulic driving mechanism, an electrical control system and the like. The filter plates are arranged on the main beam of the frame, and the compressed concave parts of the adjacent filter plates form a filter chamber. The general working flow of the automatic filter press is as follows: and (3) pressurizing and conveying the solid-liquid mixed material into each filtering chamber, intercepting particles in the material by using filter cloth to form a filter cake, discharging filtrate out of the filtering chamber, pulling the filter plate by using a plate pulling mechanism to pull open the filter plate, realizing gravity cake unloading, and realizing batch solid-liquid separation by intermittent reciprocating work.

The automatic filter plate pulling-open mechanism is driven by hydraulic pressure or electric motor, and mainly comprises hydraulic motor, mechanical arm, transmission mechanism, pause device and press-down limit device, etc., and is mounted on the guide rails on two sides of main beam of the filter press, and can be automatically controlled by hydraulic pressure to make reciprocating movement on the guide rails according to program, and the mechanical arm can automatically grab and place filter plates by means of two-dimensional limit (press-down frame in vertical direction, limit plate in horizontal direction) and torsion spring to pull-up driving lever (telescopic mechanical finger), and can automatically pull open filter plates one by one (several plates can be pulled at one time).

The existing automatic filter plate opening mechanisms have the following defects: the pressure reversing frame and the limiting plate are of split structures and are respectively arranged on a main beam of the filter press, and the installation positions of the pressure reversing frame and the limiting plate are often inaccurate (installation deviation) in the installation process; the installation distance between the pressing frame and the limiting plate is small, and the deflector rod of the plate pulling trolley cannot reach the pressing position, so that the plate can not be pulled; the installation distance between the pressure reversing frame and the limiting plate is large, the idle stroke time is long, and the service performance and the efficiency of the pressure filter are influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the defect of the automatic opening mechanism of current filter plate, solving corresponding technical problem, providing an automatic opening mechanism of filter plate of pressing down and spacing formula as an organic whole.

The utility model provides a technical scheme that prior art problem adopted is: an automatic filter plate pulling-open mechanism mainly comprises a hydraulic motor, a mechanical arm, a transmission mechanism, a pause device and a press-down limiting device; compared with the prior art, the device has the prominent substantive characteristics that the device integrates two-dimensional limiting of pressing and limiting into a whole; the pressing and limiting integrated device part comprises a pressing transition plate, a limiting frame, a fixing bottom plate, an adjusting screw and an adjusting nut, and the structure is simple. The fixing bottom plate is welded and fixed on the main beam of the filter press, the pressing transition plate is fixedly arranged on the limiting frame, and then the pressing transition plate is fixed on the fixing bottom plate through the bolt, so that the pressing transition plate and the limiting transition plate are integrally convenient to install, the idle stroke time is effectively shortened, and the production efficiency is improved.

Furthermore, the position of the limiting frame can be adjusted forwards and backwards according to actual conditions, the accurate installation distance between the limiting frame and the pressing plate is ensured, when the pulling plate trolley retreats to the limiting frame, the pulling rod of the pulling plate trolley returns to the pressing position under the action of the pressing transition plate, the rear part of the trolley just touches the limiting frame, the grabbing plate is accurate and reliable, the pulling plate is fast and efficient, and the problems that the pressing and the limiting split pulling rod cannot be pressed in place and cannot be pulled are effectively solved.

Furthermore, the transition plate is pressed down, so that smooth transition is realized, the impact force on the deflector rod in the pressing down process is reduced, the deflector rod spring is effectively protected, and the service life of the deflector rod spring is prolonged.

The utility model also provides an automatic pressure filter, this pressure filter uses the utility model provides an automatic opening mechanism that draws of filter plate.

The utility model provides a pair of automatic mechanism and corresponding pressure filter of opening of filter plate, the progress that is showing have simple structure, the accurate adjustable of stroke, grab the board dependable performance, the swift efficient advantage of arm-tie, both improved the reliability of automatic arm-tie, shortened the idle stroke time of intermittent type nature work again, improved production efficiency.

Drawings

Fig. 1 is a schematic perspective view of the plate pulling mechanism of the present invention.

Fig. 2 is an assembly schematic diagram of an automatic filter plate pull-up mechanism of the present invention.

Reference numerals: 1-overwhelming transition plate, 2-limiting frame, 3-fixed bottom plate, 4-adjusting screw, 5-adjusting nut, 6-main beam of filter press, 7-pulling plate deflector rod, 8-deflector rod spring, 9-trolley chassis, 10-trolley guide rail.

Detailed Description

The technical solution of the embodiment of the present invention will be described below with reference to the accompanying drawings of an automatic filter plate opening mechanism and a corresponding automatic filter press embodiment of the present invention, and the described embodiment is only a preferred part of the embodiments of the present invention, but not all embodiments. Based on the embodiment of the utility model, all other embodiments that do not have the inventiveness that the technical staff in the field made, if press down with spacing integrative structure similar, the different filter plate automatic opening mechanism of drive mode all belong to the utility model discloses a protection scope.

Example 1

An automatic filter plate opening mechanism mainly comprises a hydraulic motor, a mechanical arm (a pull plate deflector rod component), a transmission mechanism, a pause device, a press down limiting device and the like, is arranged on trolley guide rails 10 at two sides of a main beam 6 of a filter press, and automatically controls the trolley guide rails 10 to move back and forth according to a program by means of hydraulic pressure. The mechanical arm pulls the pulling plate deflector rod 7 by the pressing limiting device and the torsion deflector rod spring 8, automatically catches and puts the filter plates, and automatically pulls the filter plates one by one. The pressing and limiting device is manufactured into a whole and comprises a pressing transition plate 1, a limiting frame 2, a fixing bottom plate 3, an adjusting screw 4 and an adjusting nut 5, and the structure is simple. Firstly, the fixed bottom plate 3 is welded and fixed on the main beam 6 of the filter press, the pressing transition plate 1 is fixedly arranged on the limiting frame 2, and then the pressing transition plate 1 is fixed on the fixed bottom plate 3 by bolts, the pressing and limiting integrated devices 1 and 2 are convenient to install, the idle stroke time is effectively shortened, and the production efficiency is improved.

The over-pressure transition plate 1 is in smooth transition, the impact force of the deflector rod 7 in the over-pressure process is reduced, the deflector rod spring 8 is effectively protected, and the service life of the deflector rod spring 8 is prolonged. Above-mentioned spacing 2, its position can be adjusted according to actual conditions from beginning to end, when the arm-tie dolly retreats to spacing 2, the driving lever 7 of arm-tie dolly gets back to the position of overwhelming under the effect of overwhelming cab apron 1, and the dolly rear portion just in time touches spacing 2 this moment, grabs the accurate reliable, the arm-tie is swift high-efficient, has effectively solved and has overwhelmed with spacing components of a whole that can function independently driving lever 7 and has pressed, drawn the technical problem of upper plate.

The hydraulic driving type plate pulling trolley realizes automatic conversion of back and forth by hydraulic pressure, namely the trolley stops when the trolley pulls a filter plate; when the pressure of the hydraulic motor rises, the plate pulling removing pressure relay is pressed to act, the plate pulling removing electromagnetic valve is opened, and the trolley returns to pull the next filter plate; after the trolley returns to the position where the resistance of the next filter plate is applied, the pulling plate pressure relay acts, the pulling plate electromagnetic valve is opened, and the trolley starts to pull the plate again to automatically cycle in a reciprocating mode. The automatic filter plate pulling-open mechanism can improve the reliability of the automatic filter plate and shorten the idle stroke time of intermittent work.

Example 2

An automatic filter press equipped with the automatic filter plate opening mechanism described in example 1. The automatic filter press mainly comprises a frame, a pressing mechanism, a filtering mechanism, an automatic filter plate opening mechanism (namely a plate pulling mechanism), a hydraulic driving mechanism, an electric control system and the like. Two sides of the filter plates (when needing to be squeezed and filtered, a group of filter plates are composed of diaphragm plates and side plates) are coated by filter cloth, the filter plates are arranged and installed on a main beam of the frame, the filter plates are pressed by a pressing device, and concave parts of adjacent filter plates form a filter chamber. The working process of the automatic filter press is as follows: the solid-liquid mixed material is conveyed to each filter chamber from a feed port by a material conveying pump, and low-pressure static filtration is carried out; the filter cloth intercepts particles in the materials to form a filter cake; when washing is needed, a water pump injects washing liquid into the filter cake from the washing hole to remove soluble impurities in the filter cake or recover valuable mother liquor retained in the filter cake; when the filter cake needs to be dried, compressed air is introduced through the high-pressure medium hole, and the air flows through to dry the residual washing liquid in the particle seams of the filter cake, so that the water content of the filter cake is reduced to the lowest point, the purity of the filter cake and the recovery rate of mother liquor are improved, and meanwhile, the regeneration of anhydrous filter cloth is realized; filtrate passes through the filter cloth and flows out of the liquid outlet hole; the filter chamber bears filter cakes, and the filter plate is pulled open by the automatic filter plate pulling-open mechanism, so that gravity cake unloading is realized; when the filter cake needs to be quickly unloaded, the filter cloth vibration device is automatically started according to a program, so that the filter cake quickly falls; the hydraulic automatic control plate pulling mechanism automatically switches back and forth, the pulling plate can be numerically controlled and buffered, and the service life of the filter plate handle is prolonged; the pause device can control the stop and advance actions in the plate pulling process at any time so as to ensure the smooth realization of plate pulling and unloading of the plate pulling mechanism; the intermittent reciprocating circulation work realizes the solid-liquid separation in batches. The automatic filter press effectively shortens the intermittent time and improves the production efficiency.

Claims (4)

1. The utility model provides an automatic mechanism that opens that draws of filter plate, mainly includes hydraulic motor, manipulator, drive mechanism, pause device, the stop device that falls, its characterized in that improves split type stop device that falls into formula and falls stop device as an organic whole, should fall stop device including falling cab apron, spacing, PMKD, adjusting screw and adjusting nut.

2. The automatic filter plate opening mechanism according to claim 1, wherein the position of the limiting frame of the press-down limiting device can be adjusted back and forth according to actual conditions, so as to ensure that the installation distance between the limiting frame and the press-down plate is accurate, when the pull plate trolley retreats to the limiting frame, the deflector rod of the pull plate trolley returns to the press-down position under the action of the press-down transition plate, at the moment, the rear part of the trolley just touches the limiting frame, the plate grabbing is accurate and reliable, and the pull plate is fast and efficient.

3. The automatic opening mechanism of the filter plate according to claim 1, wherein the pressing transition plate of the pressing limiting device is in smooth transition, the impact force applied to the deflector rod in the pressing process is reduced, and the deflector rod spring is effectively protected.

4. An automatic filter press comprising the automatic filter plate opening mechanism according to any one of claims 1 to 3.

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