CN202263464U - Casting masking liquid filtering machine - Google Patents

Abstract

The utility model provides a casting masking liquid filtering machine which comprises a frame (1), a power unit (4) and a filter (3), wherein, the power unit (4) is arranged on the frame (1); the filter (3) is connected with the power unit (4); a cantilever of the filter (3) is installed on the power unit (4) and is driven to rotate by the power unit (4); and a gyration center line of the filter (3) intersects with a horizontal plane in an inclined manner. A sand scraping separator (13) that can lead sand grains to be out of the filter (3) in a scraping manner is arranged in the filter (3); and the sand scraping separator (13) can slide up and down along the gyration radius of the filter (3) when turning to a lower position or an upper position along with the filter (3). The casting masking liquid filtering machine with a small size and a compact structure achieves the function of cleaning the net surface automatically, can filter for a long time, and can improve the filtration effect effectively.

Description

Casting masking liquid filter

Technical field

The utility model relates to a kind of filter that solids in the liquid is separated, and especially, relates to a kind of casting masking liquid filter, comprises frame, rack-mounted power set and is connected in the filter on the power set.

Background technology

The die cavity of sand casting and the surface of core generally need be coated with the last layer fireproof coating, and the use of coating is generally carried out (generally formulated by refractory powder+suspending agent+diluent) with the form of liquid state.Showering mode at present commonly used is coated.This mode normally adopts the continuous system of continuous circulation to carry out, and system comprises coating agitator, paint pump, showering frame.Operation principle is: casting mold is hung on the showering frame, turn to suitable angle, paint pump sucks through pipeline with the coating low-speed jet coating at mold cavity surface in the agitator, and unnecessary coating is fallen in the showering frame receiving slit, flows in the agitator through pipeline.Casting mold winches to the showering frame, has many loose sand grains can fall in the receiving slit in upset and the spraying process, is mixed together with unnecessary coating to flow in the agitator; Sand grains in the long agitator of time one can be cumulative, and many sand grains can appear in the coating top layer after the showering, because the sand particle is thicker than refractory powder; Make the coating surface out-of-flatness, slackened the function of dope layer, reduced surface quality of continuous castings; Therefore, must sand grains in time be filtered out.

For addressing this problem, Chinese utility application numbers 93202610.9, name is called the fluidization filter and discloses a kind of technical scheme.It comprises frame, is connected the power set on the frame, by the cylinder small in ends, broad in the middle of power set driven in rotation.The large and small end of its intermediate roll is used tapering transition, in cylinder, lays screen pack and is provided with thread groove, when cylinder passes through the power set driven rotary; Fluidised form liquid gets into from an end; Along with the rotation of cylinder, fluidised form liquid moves to the port of export along thread groove, forms concentration gradient; The liquid of fluidised form liquid flows out from screen pack in this process, and the particle dregs are along with thread groove is got rid of from outlet.This technical scheme simple possible preferably resolves the problems referred to above.But this fluidization filter volume is bigger, and manufacturing cost is high, and incompatible casting masking liquid filters; In addition, the particle dregs are not easy timely eliminating, and screen pack easy blocking after use a period of time influences filter effect.

The utility model content

The utility model purpose is intended to provide a kind of volume little, and the casting masking liquid filter of compact conformation is to solve the difficult technical problem of discharge, filter screen easy blocking in time of particle that prior art exists.

For realizing above-mentioned purpose; The utility model provides a kind of casting masking liquid filter; Comprise frame, rack-mounted power set and be connected in the filter on the power set, its design feature is, the filter cantilever is installed on the power set and by the power set driven in rotation; The centre of gyration line of filter and horizontal plane tilt to intersect.

Further, be provided with in the filter with sand grains scrape filter outer scrape sand separator; Can be when scraping sand separator and turning to bottom or upper position along the upper and lower slip of the radius of gyration of filter with filter.

Further, filter comprises annular slab and two guide fingers; Two guide fingers are installed on the radially connecting hole of annular slab; Scrape sand separator and comprise the installation riser; Riser is installed is provided with gathering sill; Two guide fingers are slidingly fastened in gathering sill.

Further, filter is a cydariform rotary body, and cantilever one end has opening, and filter also comprises: two annular bars; And circumferentially being uniformly distributed with between two annular bars is arranged with some bows; The screen pack annular is layed on the arc cross bar extrados.

Further, annular slab is fixedly installed in the wherein outside of an annular bar; Also be installed with the first circular mounting plate with upper connecting rod on the annular slab through two; The first circular mounting plate is provided with a pivot hole; The first circular mounting plate is installed in an end of the output shaft of power set through its pivot hole.

Further, annular slab is provided with the protruding circle that extends along said annular slab both sides with one heart, and these protruding circle two ends are provided with the outlet that communicates; Also be fixed with cylindrical shell on the frame, filter is contained in cylindrical shell; Cylindrical shell is provided with circular dividing plate, and circular dividing plate is provided with endoporus; Protruding circle is contained in the endoporus of circular dividing plate, and through this endoporus power set is connected with filter.

Further, cylindrical shell also is provided with the second circular mounting plate that is provided with at interval with circular dividing plate; The first circular mounting plate is between circular dividing plate and installing plate, and connecting rod passes the endoporus of circular dividing plate, and leaves the space between each connecting rod and the endoporus; Cylindrical shell is provided with tapping bucket and goes out sand hopper in circular dividing plate both sides; Wherein, go out the bottom of the cavity of sand hopper between said circular dividing plate and the said second circular mounting plate.

Further, power set also comprise: motor, be installed in decelerator on the motor, be installed in small pulley on the decelerator, transport tape and bearing block on small pulley and the big belt wheel; The other end of the output shaft of power set is installed big belt wheel; Bearing sleeve is located between the two ends of output shaft of power set, and bearing block is installed on the second circular mounting plate.

Further, scraping sand separator is a pipeful of body, and this is scraped sand separator and also comprises: the sand block plate that is connected with installation riser side direction, the stragith edge that is connected in installation riser and sand block plate bottom, and lead the sand plate; This first end of leading the sand plate is connected on the sand block plate, and second end of leading the sand plate tilts to extend to the riser direction is installed.

Further, stragith edge and sand block plate are respectively frame plates that the middle part hollows out; The middle part cut-out of stragith edge and sand block plate is equipped with screen pack respectively.

Further, the angle of the centre of gyration line of filter and horizontal plane inclination is the 15-20 degree.

The utlity model has following beneficial effect:

Because the filter cantilever is installed on the power set and by the power set driven in rotation; The centre of gyration line of filter and the certain angle of horizontal plane inclination, masking liquid is through the cydariform filtration wire side of pipeline from cantilever end opening inflow filter, and the mouth of pipe and wire side have certain drop; Following, preceding, sidepiece that the outlet masking liquid pours wire side in the cydariform with certain included angle form a filtration and wash away the district; Along with the rotation of filter, masking liquid is through filter screen, and sand grains been separated on the inclination wire side; The effect that it receives partical gravity plays pendulum and can move to the lower.On the other hand; Impulsive force when sand grains also receives masking liquid inflow wire side; This impulsive force foot has overcome the adhesive force of sand grains on wire side; Help its bottom collection region that reaches stable state, form the not susceptible to plugging annular masking liquid filter bag of sand grains thereby wash away the district with bottom section, thereby have good filter effect at masking liquid.

In addition, scrape the sand separator of scraping outside the filter to sand grains owing to also be provided with in the filter, scraping sand separator is to be slidingly connected through two guide fingers that are connected the annular slab radial direction; It is led, and the sand plate is oblique to be stretched in the protruding circle, and like this, the filter revolution moves a week; Scrape sand separator can with collection exist the sand grains of filter inner bottom part to dig out to turn to then tip position through lead the sand plate with sand grains pour out filter outer go out sand hopper; The timely sand grains in the discharge filter can reach the poised state of a filtration and desanding washing away the district, possesses automatic clearing function; Can filter for a long time, improve filter efficiency effectively.

Except top described purpose, feature and advantage, the utility model also has other purpose, feature and advantage.To do further detailed explanation to the utility model with reference to figure below.

Description of drawings

The accompanying drawing that constitutes the application's a part is used to provide the further understanding to the utility model, and illustrative examples of the utility model and explanation thereof are used to explain the utility model, do not constitute the improper qualification to the utility model.In the accompanying drawings:

Fig. 1 is the casting masking liquid filter front view structural representation of the utility model preferred embodiment;

Fig. 2 is the vertical view sketch map of Fig. 1;

Fig. 3 is Fig. 2 middle filtrator structural representation;

Fig. 4 is a structural representation of scraping sand separator among Fig. 2;

Fig. 5 scrapes sand separator A to view among Fig. 4;

Fig. 6 is Fig. 2 middle cylinder body structural representation; And

Fig. 7 is the working state schematic representation that the casting masking liquid filter of the utility model preferred embodiment separates sand grains.

The specific embodiment

Embodiment to the utility model is elaborated below in conjunction with accompanying drawing, but the multitude of different ways that the utility model can be defined by the claims and cover is implemented.

Referring to Fig. 1; The casting masking liquid filter of the utility model preferred embodiment comprises: frame 1, be installed in power set 4 on the frame 1, be connected the filter 3 on the power set 4, be installed in the filter 3 and can scrape sand separator 13 to what sand grains 14 scraped and be sleeved on the cylindrical shell 2 that filter 3 is outside and frame 1 is fixed.

Referring to Fig. 2 and Fig. 3, filter 3 is that two ends connect rotating rotary body, installs with power set 4 output cantilevers.The filter 3 preferred cydariform rotary bodies that adopt, this cydariform rotary body is made up of skeleton and screen pack.Skeleton comprises arc cross bar 31, two annular bars 32 and is connected support.Circumferentially being uniformly distributed with between the two annular bars 32 is arranged with some bows 31, each bow 31 arc distribute away from the axis direction of two annular bars 32 and form a drum shaped body, the two ends of arc cross bar 31 are welded to connect with annular bar 32 respectively.Screen pack 33 annulars are layed on the extrados of arc cross bar 31.Connecting support comprises and is consolidated in wherein annular slab 34, protruding circle 37, connecting rod 35, two guide fingers 38 and the first circular mounting plate 36 of an annular bar 32.Wherein, the endoporus place of annular slab 34 is welded with protruding circle 37.This protruding circle 37 extends outwardly from the two ends of annular slab 34.This protruding circle 37 adopts steel pipe to process, and is provided with the outlet of being convenient to the sand grains discharge in this protruding circle 37.The effect of annular slab 34 prevents the gritting spatterings of filter 3, and interferes sand grains to be discharged from the outlet of protruding circle 37.Annular slab 34 also is provided with two isolated connecting holes along same radial direction, and this connecting hole is used to connect two guide fingers 38, in order to annular slab 34 with to scrape sand separator 13 fixing.Connect 2 connecting rods 35 with one heart and symmetrically between the annular slab 34 and the first circular mounting plate 36.Protruding circle 37 is between this two connecting rod 35.The two ends of connecting rod 35 can adopt welding or bolted mode to be connected with the annular slab 34 and the first circular mounting plate 36.Above-mentioned filter 3 is not limited to adopt drum shaped body, also can adopt other shape, and the centre of gyration line of filter 3 and the crossing certain included angle that forms of horizontal plane inclination are got final product.

In other embodiments, the first circular mounting plate 36 also can fixedly install a plurality of connecting rods 35, and these connecting rods 35 are uniformly distributed with along circular direction and are arranged in the first circular mounting plate 36.

Referring to Fig. 4 and Fig. 5, scraping sand separator 13 is a pipeful of bodies, is installed in the filter 3.Scraping sand separator 13 comprises: riser 133, sand block plate 137, stragith edge 134 are installed, are led sand plate 131 and filter screen 135,136.The side vertical direction that riser 133 is installed offers gathering sill 132, and present embodiment preferably adopts the gathering sill 132 that has boss.Riser 133 opposite sides 90 degree are installed are welded with sand block plate 137.The bottom welding stragith edge 134 of riser 133 and sand block plate 137 is installed.Stragith edge 134 has and arc cross bar 31 corresponding arcs.Lead sand plate 131 and be a bending plate, an end is connected the upper side of sand block plate 137, and the other end leaves the space to extensions that be inclined upwardly of riser 133 directions is installed between its extension and the installation riser 133, and effect is to be convenient to sand grains 14 pass through.In addition; Filter for the ease of masking liquid; Stragith edge 134 and sand block plate 137 are the frame plates that the middle part hollows out, and cut-out is equipped with screen pack 135,136, and this screen pack 135,136 can filter a spot of liquid coating of sand grains 14 surface adsorption when scraping sand separator 13 work once more.

In conjunction with referring to Fig. 1, Fig. 3 and Fig. 4, scrape on the madial wall of annular slab 34 that sand separator 13 is mounted in filter 3.Two guide fingers 38 pass the gathering sill 132 that riser 133 is installed, and are installed in the connecting hole of annular slab 34 again.Just scrape sand separator 13 through gathering sill 132 radially can upper and lowerly slide along annular slab 34.In order to prevent that scraping sand separator 13 comes off, two guide fingers 38 are provided with the boss that blocks gathering sill 132.After sand separator 13 is scraped in installation, lead correcting in the endoporus that extend into the protruding circle 37 that connects support that sand plate 131 is inclined upwardly and extends.

Referring to Fig. 2 and Fig. 6, the outer cover of filter 3 is equipped with the cylindrical shell 2 of a both ends open.Cylindrical shell 2 is cemented on the frame 1 through outer wall.The end end of being inserted in of cylindrical shell 2 is consolidated with the second circular mounting plate 23.Also be consolidated with circular dividing plate 22 in the cylindrical shell 2 with the second circular mounting plate, 23 isolated band endoporus 26.The first circular mounting plate 36 of filter 3 is between circular dividing plate 22 and installing plate 23.The connecting rod 35 of filter 3 passes the endoporus 26 of circular dividing plate 22, and leaves the space between the endoporus 26 of each connecting rod 35 and circular dividing plate 22.The annular slab 34 of filter 3 is against circular dividing plate 22, and protruding circle 37 is contained in the endoporus 26 of circular dividing plate 22, and through the outlet of endoporus 26 and protruding circle 37 filter 3 and cylindrical shell 2 connected.Cylindrical shell 2 also is provided with tapping bucket 25 and goes out sand hopper 24.Wherein, tapping bucket 25 is positioned at the corresponding bottom of cydariform face of filter 3 cydariform rotary bodies; Go out the cavity bottom of sand hopper 24 between the circular dividing plate 22 and the second circular mounting plate 23.

Referring to Fig. 2, power set 4 are installed on the frame 1.Power set 4 comprise motor 41, be installed in decelerator 42 on the motor 41, be installed in small pulley 43 on the decelerator 42, transport tape 44 and bearing block 49 on small pulley 43 and the big belt wheel 46.Wherein, decelerator 42 is installed on the support 45 on the frame 1.Bearing block 49 is installed in the second circular mounting plate, 23 sides of cylinder 2.Output shaft 47 is installed in bearing block 49, and these output shaft 47 1 ends are installed big belt wheel 46, and the other end is installed the first circular mounting plate 36.Wherein, Output shaft 47 is connected with the first circular mounting plate 36, and the pivot borehole jack that preferably adopts the first circular mounting plate, 36 centers to be provided with is contained on the threaded multidiameter of output shaft 47 ends, is fixedly connected with nut again; Affixed so effectively simple, be convenient to dismounting.When motor 41 runnings, through output shaft 47 drive filters 3 rotations of power set 4.

Referring to Fig. 7, to separate in order to make filter 3 horizontal tilts be convenient to sand grains 14, frame 1 adopts the inclination mounting means, and promptly the centre of gyration line of the installation basic plane of frame 1 and filter 3 intersects angle.Preferably, the crossing angle of the centre of gyration line of the installation basic plane of frame 1 and filter 3 is 15-20 degree.

Referring to Fig. 2 and Fig. 7, during work, starter motor 41, power set 4 drive filter 3 and slowly rotate, and the termination that filter 3 cantilevers open wide is gone into masking liquid return duct 17.Masking liquid filters wire side through the cydariform of the mouth of pipe inflow filter of return duct 17; The mouth of pipe and wire side have certain drop, and following, preceding, sidepiece that the outlet masking liquid pours wire side in the cydariform with certain included angle form a filtration and wash away the district, along with the rotation of filter; Masking liquid passes through filter screen; Sand grains been separated on the inclination wire side, and the effect that it receives partical gravity plays pendulum and can move to the lower.On the other hand; Impulsive force when sand grains also receives masking liquid inflow wire side; This impulsive force foot has overcome the adhesive force of sand grains on wire side; Help its bottom collection region that reaches stable state, form the not susceptible to plugging annular masking liquid filter bag of sand grains thereby wash away the district with bottom section, thereby have good filter effect at masking liquid.

In addition, the sand separator 13 of scraping that is installed on annular slab 34 madial walls in the filter 3 of the casting masking liquid filter of the utility model rotates with filter 3.When scraping sand separator 13 and turn to lower position; Scrape sand separator 13 under weight through gathering sill 132 along guide finger 38 to lower slider; Stragith edge 134 sweeps the sand grains 14 on the wire side 33; Progressively upwards rotate carrying, the part flow of mixing this moment in sand grains 14 flows out through the filtration of the screen pack 135,136 of bottom surface and side.When scraping sand separator 13 and turn to the upper vertex position; Scraping sand separator 13 slides through the rightabout of gathering sill 132 along guide finger 38 under weight; This be equivalent to scrape sand separator 13 rotated 180 ° bottom-up; Therefore the sand grains 14 in scraping sand separator 13 spreads in the circular dividing plate 22 and the cavity between the second circular mounting plate 23 in cylindrical shell 2 through the guiding of leading sand plate 131, is expelled to and holds sandbox 16 through the sand hopper 24 that goes out that is arranged in this cavity bottom again.

Available masking liquid diluent (water or alcohol) washing filter screen behind the filtration end-of-job, diluent can clean up the coating on the wire side, needn't pull down filter screen and clean.

Can find out from above description; The utility model compact conformation; Advantages of small volume is gone round and begun again and can be cleared up sand grains automatically through scraping sand separator 13, can reach the poised state of a filtration and desanding in the workspace; Thereby the filter capacity that has yet guaranteed screen pack can not weaken, and can work long hours and need not to clear up wire side.Be particularly suitable for casting the filtration of masking liquid, also can be used for the filtration that other has liquid, solid fluid-mixing.

The preferred embodiment that the above is merely the utility model is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within the spirit and principle of the utility model, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the utility model.

Claims (11)

1. a casting masking liquid filter comprises frame (1), is installed in the power set (4) on the said frame (1) and is connected in the filter (3) on the said power set (4); It is characterized in that,

Said filter (3) cantilever is installed on the said power set (4) and by said power set (4) driven in rotation;

The centre of gyration line of said filter (3) and horizontal plane tilt to intersect.

2. casting masking liquid filter according to claim 1 is characterized in that,

Be provided with in the said filter (3) with sand grains scrape said filter (3) outer scrape sand separator (13);

Said can be when scraping sand separator (13) and turning to bottom or upper position along the upper and lower slip of the radius of gyration of said filter (3) with said filter (3).

3. casting masking liquid filter according to claim 2 is characterized in that, said filter (3) comprises annular slab (34) and two guide fingers (38);

Said two guide fingers (38) are installed on the radially connecting hole of said annular slab (34);

The said sand separator (13) of scraping comprises installation riser (133); Said installation riser (133) is provided with gathering sill (132);

Said two guide fingers (38) are slidingly fastened in said gathering sill (132).

4. casting masking liquid filter according to claim 3 is characterized in that, said filter (3) is a cydariform rotary body,

Cantilever one end of said filter (3) has opening, and said filter (3) also comprises: two annular bars (32);

Circumferentially being uniformly distributed with between said two annular bars (32) is arranged with some bows (31);

Said screen pack (33) annular is layed on the extrados of said arc cross bar (31).

5. casting masking liquid filter according to claim 4 is characterized in that,

Said annular slab (34) is fixedly installed in the wherein outside of a said annular bar (32);

Also be installed with the first circular mounting plate (36) with upper connecting rod (35) on the said annular slab (34) through two;

The said first circular mounting plate (36) is provided with a pivot hole;

The said first circular mounting plate (36) is installed in an end of the output shaft (47) of said power set (4) through its pivot hole.

6. casting masking liquid filter according to claim 5 is characterized in that,

Said annular slab (34) is provided with the protruding circle (37) that extends along said annular slab (34) both sides with one heart, and said protruding circle (37) two ends are provided with the outlet that communicates;

Also be fixed with cylindrical shell (2) on the said frame (1), said filter (3) is contained in said cylindrical shell (2);

Said cylindrical shell (2) is provided with circular dividing plate (22), and said circular dividing plate (22) is provided with endoporus (26);

Said protruding circle (37) is contained in the endoporus (26) of said circular dividing plate (22), and through said endoporus (26) said power set (4) is connected with said filter (3).

7. casting masking liquid filter according to claim 6 is characterized in that, said cylindrical shell (2) also is provided with the second circular mounting plate (23) that is provided with at interval with said circular dividing plate (22);

The said first circular mounting plate (36) is positioned between said circular dividing plate (22) and the said second circular mounting plate (23); Said connecting rod (35) passes the endoporus (26) of said circular dividing plate (22), and leaves the space between the endoporus (26) of each said connecting rod (35) and said circular dividing plate (22);

Said cylindrical shell (2) is provided with tapping bucket (25) and goes out sand hopper (24) in said circular dividing plate (22) both sides; Wherein, saidly go out the bottom that sand hopper (24) is positioned at the cavity between said circular dividing plate (22) and the said second circular mounting plate (23).

8. casting masking liquid filter according to claim 7 is characterized in that, said power set (4) also comprise:

Motor (41), be installed in decelerator (42) on the said motor (41), be installed in small pulley (43) on the said decelerator (42), transport tape (44) and bearing block (49) on said small pulley (43) and the big belt wheel (46);

The other end of the output shaft (47) of said power set (4) is installed said big belt wheel (46);

Said bearing block (49) is set between the two ends of output shaft (47) of said power set (4), and said bearing block (49) is installed on the said second circular mounting plate (23).

9. casting masking liquid filter according to claim 3 is characterized in that, the said sand separator (13) of scraping is a pipeful of body, and the said sand separator (13) of scraping also comprises:

The sand block plate (137) that is connected with said installation riser (133) side direction, be connected in the stragith edge (134) of said installation riser (133) and said sand block plate (137) bottom and lead sand plate (131);

Said first end of leading sand plate (131) is connected on the said sand block plate (137), and said second end of leading sand plate (131) tilts to extend to said installation riser (133) direction.

10. casting masking liquid filter according to claim 9 is characterized in that,

Said stragith edge (134) and said sand block plate (137) are respectively frame plates that the middle part hollows out;

The middle part cut-out of said stragith edge (134) and said sand block plate (137) is equipped with screen pack (135,136) respectively.

11. according to any described casting masking liquid filter in the claim 1 to 10, it is characterized in that,

The angle that the centre of gyration line of said filter (3) and horizontal plane tilt is the 15-20 degree.

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