CN201415079Y - Float chamber rubber tile type paper tape filtering machine - Google Patents
Float chamber rubber tile type paper tape filtering machine Download PDFInfo
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- CN201415079Y CN201415079Y CN2009200120510U CN200920012051U CN201415079Y CN 201415079 Y CN201415079 Y CN 201415079Y CN 2009200120510 U CN2009200120510 U CN 2009200120510U CN 200920012051 U CN200920012051 U CN 200920012051U CN 201415079 Y CN201415079 Y CN 201415079Y
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- paper tape
- inner chamber
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Abstract
The utility model relates to a metal cutting machine cooling liquid filtering machine, in particular to a float chamber rubber tile type paper tape filtering machine capable of simultaneously resolving the problems of small flow, stagnating, wrinkling and deviating in filtering paper running, lateral leakage of liquid and the like of ordinary paper tape filtering machines. The float chamber rubbertile type paper tape filtering machine is provided with a driving shaft and a driven shaft, chain wheels on the driving shaft and the driven shaft are equipped with driving chains in parallel arrangement, and a filter paper supporting surface is arranged between the parallel driving chains. The paper tape filtering machine is provided with an independent float inner chamber with a hollow bottom portion, filter paper is placed between the float inner chamber and the filter paper supporting surface, main frames are arranged on two sides of the float inner chamber, and two ends of a pendulum shaft penetrating two lateral walls of the float inner chamber are fixed onto the main frames. As constant gravity inside the float inner chamber is employed to seal filter paper edges, seal reliabilityis better than other seal structures such as rigidity, flexibility and the like. The float chamber rubber tile type paper tape filtering machine has the advantages of simple structure and assembly adjustment process, small volume, stable operation, flat and neat filter paper and no deviation.
Description
Technical field
The utility model is the Metal Cutting Machine Tool cooling liquid filtering apparatus, belongs to the auxiliary device of lathe, is specially a kind of floating chamber glue watt formula paper tape filter.
Background technology
Be used for the paper tape filter that the machine cut liquid cooling fluid filters, relatively the form of Pu Jiing is to see through filter paper with the pressure that the cooling fluid deadweight forms to finish filtration, and consumption is few at home by the vacuum filter of negative pressure raising flow.Domestic commonly used by the typical paper tape filter of liquid from heavy filtration, flat nothing more than crouch type, drum type.In recent years, camber paper tape filter has appearred again.
Because what discuss is the structure of filter, thus under the condition of not considering filter paper filtration coefficient and dielectric viscosity coefficient factor, the flow of filter and liquid area and the liquid effects by filter paper be directly proportional at the product of the average pressure on filter paper surface.
With equation expression be: Q ∝ PS
Q-flow in the formula;
The P-liquid effects is at the average pressure on filter paper surface;
S-liquid the area by filter paper.
The filter paper area depends on instrument size, and pressure results from the deadweight of liquid, under the limited situation of equipment volume, according to the following formula relation, has only and improves the liquid height that acts on filter paper, could effectively improve the flow of filter.So how improving liquid buffer memory height before filtration is exactly the focus of research filtering machine structure.
One, the flat type paper tape filter that crouches
Archetype paper tape filter comes from the flat type (Fig. 1) that crouches, this filter filter paper supporting surface is to be made of flexible metal mesh grid 4, metal knitted net 4 not only supports filter paper 1, simultaneously by its walking of power drive and 1 walking of drive filter paper, thereby upgrades the filter paper that too stops up.5 (Fig. 2) at the bottom of the nest shape that flexible metal mesh grid 4 forms by the deadweight and the stack of a certain amount of cooling fluid weight, 5 is exactly the zone of filtering preceding liquid buffer memory at the bottom of this nest shape.
Metal knitted net 4 limited flexibilities have limited at the bottom of the nest shape 5 the degree of depth, the feasible very limited (see figure 3) of buffer memory liquid height value h that acts on the filter paper surface, even h can continue to increase, from physical characteristics, if filter paper is affixed in the support metal mesh grid with same nest shape, excessive h value will certainly make filter paper produce to be middle mind-set actiniform irregular gauffer all around at the bottom of the nest, finally causes filter paper sideslip, disorder.So the restriction of this structure has determined that this kind filter is difficult to form too big flow, unless be cost with the whole system of processing total arrangement of huge volume sacrifice.In addition, filter paper is floating being layered on the metal knitted net surface, during metal knitted network operation be by and filter paper between frictional force drive the filter paper walking, when filter paper face carrying hour, frictional force is not enough to drive the filter paper axle and rotates, can produce relative sliding phenomenon, i.e. transporting sheet structure walking and filter paper is not walked.
Concluded, compared with other types under with the flow condition, the flat type filter floor space that crouches is bigger, the filter paper fluctuation of service.Because this type of filtering machine structure, operation are all simple relatively, it belongs to the relative matured product of early stage technology in addition, so popularize to measure bigger at home.
Two, Paper tape filter of drum type
In order to reduce floor space, increase and filter preceding liquid buffer memory height, Paper tape filter of drum type (Fig. 4, Fig. 5) has appearred, because of its main structure body is a rotary drum, so gain the name.
From Paper tape filter of drum type version, rotary drum 10 makes filter paper 1 form the semilune cavity, makes the buffer memory cooling fluid 8 height value h that act on filter paper 1 surface that large increase arranged, so cooling fluid 8 filtering traffics have had and significantly improve.Equal relatively flow horizontal paper tape filter, Paper tape filter of drum type has reduced floor space, though increased height, the increase of height is also insensitive for most of users.
In order to prevent liquid in the side leakage of rotary drum edge, be provided with tensioning extension spring 9 at power transmission shaft 6 places of floating, the pulling force effect of tensioning extension spring 9 is pressed on the wheel rim of rotary drum 10 driving-chain 7 and filter paper 1.Along with cooling fluid 8 in the rotary drum 10 highly increases, the pressure that acts on filter paper supporting surface 11 increases, and rides the driving-chain 7, the filter paper 1 that are pressed in rotary drum 10 wheel rims and might leave wheel rim and produce the slit, causes the liquid side leakage, influences filter quality.So the gravity the when pulling force of tensioning extension spring 9 must be greater than the liquid limiting altitude just is unlikely to produce side leakage.
In order to improve the height of buffer memory cooling fluid 8, increase flow, will strengthen the wrap angle sigma (Fig. 6) of filter paper supporting surface 11 on rotary drum 10 as far as possible, this also certainly will increase the height of dirty paper 3 delivery outlets.Facts have proved that when dirty paper output highly was higher than the rotary drum central shaft, the dirty paper 3 of output very easily was affixed on the return filter paper supporting surface 11, and then twists back the equipment inner chamber, causes the stuck damage (see figure 6) of equipment.Moreover along with wrap angle sigma increases, the inboard filter paper of dirty paper delivery outlet can reduce with the angle theta of vertical plane thereupon, even is negative value, and the dirt on the filter paper is very difficult like this " climbs out of " with filter paper, so are radiuses of rotary drum in the limit of rotary drum 10 inner product liquid storage height degree.In fact, liquid level is subjected to many condition restriction, such as factors such as assembly technology, the setting of leve signal feedback, rotary drum shaft end seals, in order to weigh these factors, the overall synthetic function of Mediation Device, buffer memory liquid level can only be lower than rotary drum center certain size can realize normal operation.
In view of this, Paper tape filter of drum type rotary drum center is difficult to utilize a kind of waste of space resources seemingly with top.
Three, paddy type paper tape filter
Paddy type paper tape filter is a kind of form paper tape filter that occurred in recent years, and this type technology is not very ripe, and universal amount is very little, but might be the direction of years development from now on.
1. paddy type paper tape filtering machine structure form
Paddy type paper tape filter also claims camber paper tape filter (Fig. 7), its fundamental mode is taken from horizontal paper tape filter, paddy type paper tape filter has been settled camber guide rail 12 in main body frame 2 both sides, the filter paper supporting surface distributes along the guide rail lower edge and forms the lowest point, and the curvature of camber guide rail 12 has been determined the buffer memory liquid depth.
In order to improve the buffer memory liquid height, increase flow, will strengthen the curvature (Fig. 8) of camber guide rail 12 as far as possible, curvature increase along with camber upper rail 14, the inboard filter paper 1 of dirty paper 3 delivery outlets can reduce with the angle theta of vertical plane thereupon, dirt when the θ value is too small on the filter paper is difficult to " climb out of " dirty paper delivery outlet with filter paper, so the curvature of camber guide rail 12 can not unrestrictedly increase.According to the difference of dirt particle absorption affinity, camber guide rail central angle get 80～110 ° comparatively suitable.
Belong to compulsive means and form the liquid spatial cache, relative Paper tape filter of drum type, the space, top that paddy type paper tape filter has saved rotary drum.Therefore, paddy type paper tape filter combines the advantage of flat crouch type paper tape filter and Paper tape filter of drum type.
2. side seals form
Since forming the paddy type with supporting surface, filter paper just has the side seals problem.At first guide rail and main body frame seal, the remaining just sealing problem between supporting surface, filter paper, the guide rail.
(1) rubber gasket (Fig. 9 a-b) on filter paper
This seal form is that rubber gasket 13 is placed in below the camber guide rail 12, by filter paper supporting surface 11 filter paper 1 is overlayed at rubber gasket 13 lower surfaces, is referred to as " upper flexible and lower rigid formula ", and here upper and lower is boundary with filter paper.Because rubber gasket 13 maintains static,, realize easily so this seal form is simple.At present, the paddy type paper tape filter of market appearance is exactly this kind seal form filter.This kind seal form filter fortune paper mode is to drive filter paper 1 walking by filter paper supporting surface 11, to overcome during filter paper 1 walking and rubber gasket 13 between frictional resistance, slide in rubber face.Obviously, the filter paper supporting surface 11 of rigidity and the coefficient of friction between the filter paper 1 are much smaller than the coefficient of friction between the rubber gasket 13 of filter 1 and flexibility.So, be impossible drive filter paper 1 walking when filter paper supporting surface 11 is walked in theory.Thereby being the width that reduces rubber gasket 13, settling mode reduces contact-making surface with filter paper 1, or even line contact (Figure 10), reduce the pressure between filter paper supporting surface 11, filter paper 1, rubber gasket 13 threes simultaneously.Doing like this to influence sealing effectiveness, brings the unfavorable factor of easy side leakage.Even so, its fortune paper process neither be very reliable and stable, and this is the defective of this kind seal form.
(2) rubber gasket (Fig. 9 c-d) below filter paper
This seal form is that rubber gasket 13 is placed in below the filter paper 1, by filter paper supporting surface 11 rubber gasket 13, filter paper 1 is overlayed at camber guide rail 12 lower surfaces, is referred to as " having gone up just gentle formula down ".This seal form require rubber gasket 13 must with 11 servo-actuateds of filter paper supporting surface, i.e. drive filter paper 1 synchronous walking when 11 operations of filter paper supporting surface.Because flexible rubber gasket 13 and the coefficient of friction between the filter paper 1 are much larger than the coefficient of friction between the camber guide rail 12 of filter paper 1 and rigidity, so the fortune paper function of this kind seal form is very reliable and stable.
3. the fortune folder is pressed form
It is (1) fixed up and down that (Figure 11 a)
(2) go up fixing floating type (Figure 11 b) down
(3) go up float fixed (Figure 11 c, Figure 12) down
4. go up the shape of floating guide rail
The front said that it was constant going up the clamping force that stationary structure is subjected to filter paper under floating, but this constant just summation of pressure.Though the guide rail that is pressed on the filter paper face floats, the shape of guide rail itself is a rigidity, so this pressure is uneven in guide rail distribution everywhere.
Figure 13 represents is that filter paper supporting surface and filter paper are at the sketch that is not subjected under the upper rail active force situation, the filter paper supporting surface is not the catenary shape when having liquid under the deadweight effect, when partially liq is arranged, liquid upper is a tractrix, the liquid bottom is fluid power bottom line (because not describing corresponding linear equation so be referred to as the fluid power bottom line for the time being), from perceptual analysis, protrude down when liquid is arranged linear 20 linear (catenary) 19 bottoms during than no liquid, convergence in the both sides, and linearly change with liquid height.Because what be concerned about is the side leakage problem, so according to analysis, the optimal design shape of guide rail should match with the fluid power bottom line, pressure is even everywhere can to make guide rail act on filter paper like this, but because the fluid power bottom line changes, so regardless of the guide rail shape, can only just can reach the pressure effect of uniform at a certain fixing liquid level, this height just should be got and estimate the design limit height so.
Analyze purpose linear and that change and be that this is had a perceptual knowledge, in practice, make guide rail such as catenary or fluid power bottom line shape very difficult, also need not, get final product so generally substitute with circular arc.
The above analysis, the side seals form employing of paddy type paper tape filter " gentle formula under going up just ", fixed under the employing of fortune folder pressure form is gone up and floated should be optimal mentality of designing, how to go so to realize?
The utility model content
The purpose of this utility model is to provide a kind of floating chamber glue watt formula paper tape filter, solves that the flow that common paper tape filter exists is little, the filter paper operation is stagnated, problems such as wrinkling, sideslip, liquid side leakage.
The technical solution of the utility model is:
A kind of floating chamber glue watt formula paper tape filter, have power transmission shaft and driven shaft, the parallel installation driving-chain of power transmission shaft with the sprocket wheel on the driven shaft, the filter paper supporting surface is set between the parallel driving-chain, and this paper tape filter is provided with the inner chamber that independently floats, the intracavity bottom hollow of floating, filter paper is between unsteady inner chamber and filter paper supporting surface, the inner chamber both sides of floating are provided with main body frame, and the balance staff two ends that are arranged in the inner chamber two side of floating are fixed on the main body frame, and the base, inner chamber both sides of floating is the guide rail of holding concurrently at the bottom of the camber chamber.
Described paper tape filter is provided with the structure of side seals, the side seals form is last firm gentle formula down, the rubber tile that is used to seal is placed in below the filter paper, and the filter paper supporting surface overlays filter paper in holding concurrently at the bottom of the chamber between guide rail and the rubber tile, is provided with lower guideway in the space that rubber tile bottom, driving-chain form.
Described rubber tile and driving-chain are parallel, and each piece rubber tile has two holes, and the rubber tile aperture is identical with the driving-chain bearing pin diameter of axle, and the rubber tile pitch-row is identical with the drive link distance, and per two joint driving-chain sides wear rubber tile.
Described rubber tile is a hold concurrently unit of transporting sheet structure of sealing, a plurality of rubber tiles unit be connected to form complete band.
Described balance staff is arranged on front end or the rear end away from the inner chamber center of gravity of floating.
The moment that the constant gravity of described unsteady inner chamber forms by balance staff realizes the sealing to the filter paper edge.
The beneficial effects of the utility model are:
The utility model is analyzed principle, the reasonability of structure and the advantage contrast of each form paper tape filter that its function realizes based on current several popular paper tape filters, proposes to realize bigger flow key element.Selective analysis the form and the defective of existing paddy type paper tape filter, the imagination and the realization of multi-form force analysis of paddy type paper tape filter and reasonable plan are proposed.Floating chamber glue watt formula paper tape filtering machine structure of the utility model and assembling adjusting process are simple, and volume is little, and is stable, and filter paper is smooth, no deviation phenomenon, and it has concentrated other all advantages of several filters, should be development trend.
Description of drawings
Fig. 1 is the flat type paper tape filtering machine structure schematic diagram that crouches.
Fig. 2 for the nest shape of the flat type paper tape filter that crouches at the bottom of schematic diagram.
Fig. 3 is the flat type paper tape filter work schematic diagram that crouches.
Fig. 4 is the structural representation of cydariform paper tape filter.
Fig. 5 is the work schematic diagram of cydariform paper tape filter.
Fig. 6 is the principle schematic of cydariform paper tape filter.
Fig. 7 is the structural representation of paddy type paper tape filter.
Fig. 8 is the work schematic diagram of paddy type paper tape filter.
Fig. 9 a-b is a kind of form of paddy type paper tape filter side seals; Wherein, Fig. 9 a is a front view; Fig. 9 b is a side view.
Fig. 9 c-d is another form of paddy type paper tape filter side seals; Wherein, Fig. 9 c is a front view; Fig. 9 d is a side view.
Figure 10 is the enlarged diagram of Fig. 9 a.
Figure 11 a-c is the another form of paddy type paper tape filter side seals; Wherein, wherein, Figure 11 a is fixed up and down; Figure 11 b is last fixing floating type down; Figure 11 c is fixed under last the floating.
Figure 12 is the work schematic diagram of Figure 11 c.
Figure 13 is a paddy type paper tape filter the lowest point stress form.
Figure 14 is the utility model structural representation.
Figure 15 is the utility model principle schematic.
Among the figure: 1 filter paper; 2 main body frames; 3 dirty paper; 4 metal knitted nets; At the bottom of the 5 nest shapes; 6 power transmission shafts; 7 driving-chains; 8 cooling fluids; 9 tensioning extension springs; 10 rotary drums; 11 filter paper supporting surfaces; 12 camber guide rails; 13 sealing gaskets; 14 upper rails; 15 lower guideways; 16 tensioning shafts; 17 tensioning stage clips; 18 floating guide rails; Linear during 19 no liquid; 20 linear when liquid is arranged; 21 unsteady inner chambers; 22 rubber tiles; 23 balance staffs; 24 driven shafts; The guide rail of holding concurrently at the bottom of 25 chambeies.
The specific embodiment
Shown in Figure 14-15, the unsteady inner chamber glue of a utility model watt fortune master mode paper tape filter mainly comprises: the guide rail 25 etc. of holding concurrently at the bottom of main body frame 2, power transmission shaft 6, driving-chain 7, filter paper supporting surface 11, lower guideway 15, float inner chamber 21, rubber tile 22, balance staff 23, driven shaft 24 and the chamber, specific as follows:
1. basic structure
Float inner chamber glue watt fortune master mode paper tape filter hereinafter to be referred as floating chamber glue watt filter, different with other paper tape filters is that a floating chamber glue watt filter has the inner chamber 21 (Figure 14) that independently floats, unsteady inner chamber 21 lower hollow, the base, both sides is the guide rail 25 of holding concurrently at the bottom of the camber chamber of certain width, unsteady inner chamber 21 both sides are provided with main body frame 2 and carry out spacing, limited the Z direction displacement free degree, and limited X, the Y-axis rotary freedom, balance staff 23 two ends that are arranged in inner chamber 21 two sides of floating are fixed on the main body frame 2, by being fixed on main body frame 2 two sides, the balance staff 23 that is arranged in inner chamber 21 two sides of floating has limited X, two displacement frees degree of Y direction, inner chamber 21 only keeps the free degree of a swing so float, and gravity forms moment by balance staff 23 and is pressed in filter paper supporting surface 11 edges (Figure 15).
Two driving-chains 7 of power transmission shaft 6 and the parallel installation of the sprocket wheel on the driven shaft 24, between the parallel driving-chain 7 filter paper supporting surface 11 is set, the guide rail 25 of holding concurrently at the bottom of the chamber is ridden and is pressed on the driving-chain 7, under driving-chain 7 effects, drive the band and the synchronous operation of filter paper supporting surface of filter paper lower limb, dirty paper output.
The side seals form is " having gone up just gentle formula down " (Fig. 9 c-d), rubber tile 22 is placed in below the filter paper 1, filter paper supporting surface 11 overlays filter paper 1 in holding concurrently at the bottom of the chamber between guide rail 25 and the rubber tile 22, is provided with lower guideway 15 in the space that rubber tile 22 bottoms, driving-chain 7 form.This seal form require flexible gasket must with the servo-actuated of filter paper supporting surface, the flexible sealing band that promptly is pressed in the filter paper lower limb must could drive filter paper output with the synchronous operation of filter paper supporting surface, realize that synchronizing function has two schemes that can select, the first adopts synchronous cog belt to replace driving-chain, it two is to adopt rubber tile 22 parallel with driving-chain 7, each piece rubber tile 22 has two holes, rubber tile 22 apertures are identical with the driving-chain 7 bearing pin diameters of axle, rubber tile 22 pitch-rows are identical with driving-chain 7 pitches, and per 2 joint sleeved roller transmission chain 7 sides are also worn a rubber tile 22.
Cog belt softness, continuous, attached subsides performance are good, but the cog belt girth fixes, seals, be unfavorable for assembling, adjust and maintenance, moreover cog belt be difficult to realization being connected of filter paper supporting surface.Rubber tile is a hold concurrently unit of transporting sheet structure of sealing, a plurality of rubber tiles unit be connected to form complete band, the rubber tile hermetically-sealed construction is flexible, assembling, adjustment and easy to maintenance, and the rubber tile unit can be general in a plurality of series of products.From microcosmic, rubber tile flexibility, continuity, the too late cog belt of attached subsides, but, can reach seal request fully as long as rubber tile shape and size design are reasonable.Therefore, contrast two schemes, intend to adopt glue watt seal form for well.
2. balance staff position and force analysis
Claims (6)
1, a kind of floating chamber glue watt formula paper tape filter, have power transmission shaft and driven shaft, the parallel installation driving-chain of power transmission shaft with the sprocket wheel on the driven shaft, the filter paper supporting surface is set between the parallel driving-chain, it is characterized in that: this paper tape filter is provided with the inner chamber that independently floats, unsteady intracavity bottom hollow, filter paper is between unsteady inner chamber and filter paper supporting surface, unsteady inner chamber both sides are provided with main body frame, the balance staff two ends that are arranged in the inner chamber two side of floating are fixed on the main body frame, and the base, inner chamber both sides of floating is the guide rail of holding concurrently at the bottom of the camber chamber.
2, according to the described floating chamber of claim 1 glue watt formula paper tape filter, it is characterized in that: described paper tape filter is provided with the structure of side seals, the side seals form is last firm gentle formula down, the rubber tile that is used to seal is placed in below the filter paper, the filter paper supporting surface overlays filter paper in holding concurrently at the bottom of the chamber between guide rail and the rubber tile, is provided with lower guideway in the space that rubber tile bottom, driving-chain form.
3, according to the described floating chamber of claim 2 glue watt formula paper tape filter, it is characterized in that: described rubber tile and driving-chain are parallel, each piece rubber tile has two holes, the rubber tile aperture is identical with the driving-chain bearing pin diameter of axle, the rubber tile pitch-row is identical with the drive link distance, and per two joint driving-chain sides wear rubber tile.
4, according to the described floating chamber of claim 2 glue watt formula paper tape filter, it is characterized in that: described rubber tile is a hold concurrently unit of transporting sheet structure of sealing, a plurality of rubber tiles unit be connected to form complete band.
5, according to the described floating chamber of claim 1 glue watt formula paper tape filter, it is characterized in that: described balance staff is arranged on front end or the rear end away from the inner chamber center of gravity of floating.
6, according to the described floating chamber of claim 1 glue watt formula paper tape filter, it is characterized in that: the moment that the constant gravity of described unsteady inner chamber forms by balance staff realizes the sealing to the filter paper edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200120510U CN201415079Y (en) | 2009-03-18 | 2009-03-18 | Float chamber rubber tile type paper tape filtering machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200120510U CN201415079Y (en) | 2009-03-18 | 2009-03-18 | Float chamber rubber tile type paper tape filtering machine |
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| CN201415079Y true CN201415079Y (en) | 2010-03-03 |
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| CN2009200120510U Expired - Fee Related CN201415079Y (en) | 2009-03-18 | 2009-03-18 | Float chamber rubber tile type paper tape filtering machine |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102179087A (en) * | 2011-05-04 | 2011-09-14 | 强光初 | Automatic filter cloth scraping filter |
| CN103845959A (en) * | 2012-11-30 | 2014-06-11 | 北汽福田汽车股份有限公司 | Paper-tape filter paper cleaning equipment and method |
| CN107363703A (en) * | 2017-08-25 | 2017-11-21 | 嘉兴洁尘环保科技有限公司温州分公司 | Sanding and polishing dust removing integrated machine |
| CN108854198A (en) * | 2018-07-24 | 2018-11-23 | 宝钢股份黄石涂镀板有限公司 | A kind of synchronous pressure roll-type filter bed device |
-
2009
- 2009-03-18 CN CN2009200120510U patent/CN201415079Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102179087A (en) * | 2011-05-04 | 2011-09-14 | 强光初 | Automatic filter cloth scraping filter |
| CN102179087B (en) * | 2011-05-04 | 2014-08-13 | 无锡强工机械工业有限公司 | Automatic filter cloth scraping filter |
| CN103845959A (en) * | 2012-11-30 | 2014-06-11 | 北汽福田汽车股份有限公司 | Paper-tape filter paper cleaning equipment and method |
| CN103845959B (en) * | 2012-11-30 | 2015-10-28 | 北汽福田汽车股份有限公司 | Paper tape filter paper cleaning equipment and method |
| CN107363703A (en) * | 2017-08-25 | 2017-11-21 | 嘉兴洁尘环保科技有限公司温州分公司 | Sanding and polishing dust removing integrated machine |
| CN108854198A (en) * | 2018-07-24 | 2018-11-23 | 宝钢股份黄石涂镀板有限公司 | A kind of synchronous pressure roll-type filter bed device |
| CN108854198B (en) * | 2018-07-24 | 2021-02-19 | 宝钢股份黄石涂镀板有限公司 | Synchronous press roll type filter bed device |
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| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
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Granted publication date: 20100303 Termination date: 20120318 |