CN209797610U - Waste water prefilter of rinsing machine - Google Patents

Abstract

The utility model discloses a waste water prefilter of rinsing machine relates to the washing equipment field, aims at solving the extravagant serious problem of traditional washing equipment wastewater discharge, and its technical scheme main points are: including the washing case, washing bottom of the case portion is connected with the sewage treatment case, be provided with filtering mechanism in the sewage treatment case, filtering mechanism is including setting gradually baffle-box, rose box and the clean water case in the sewage treatment case, is provided with first baffle between baffle-box and the rose box, first baffle is provided with first filter screen, the rose box top is provided with the second filter screen, clean water case bottom is connected with the water spray subassembly, the water spray end of water spray subassembly stretches into in the washing case. The utility model discloses a waste water prefilter of rinsing machine has waste water treatment and recycles, resources are saved's advantage.

Description

Waste water prefilter of rinsing machine

Technical Field

The utility model belongs to the technical field of the technique of rinsing machine and specifically relates to a waste water prefilter of rinsing machine is related to.

Background

In the dyeing and finishing process, in order to remove the surface color deposition, redundant dyes, sizing agents, decomposition products and other dirt of the fabric in the bleaching and dyeing and other processing processes, water washing treatment is required, and water washing equipment is required, and the water washing process is generally used for boiling, bleaching, mercerizing, dyeing and printing and is a process which consumes most water and heat energy in the whole dyeing and finishing process.

the traditional washing treatment method is to wash the printed cloth in the original dye vat in sections, then move the cloth to a dehydrator for dehydration, then spread the cloth in a full width by using a scutcher, and finally move the cloth to a wheel type dryer for drying treatment. Because the water consumption of the water washing process is large, how to save the washing water and improve the washing efficiency becomes one of the common concerns of some foreign printing and dyeing machine manufacturers and printing and dyeing mills.

Current washing equipment includes a plurality of washing case usually, realizes wasing step by step of cloth, and the washing incasement impurity of the lowest one-level is the most, and quality of water is the turbidity most, directly discharges as waste water usually, consequently can lead to water waste's problem.

Therefore, a new technical solution is needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

to the deficiency that prior art exists, the utility model aims to provide a waste water prefilter of rinsing machine has the advantage of waste water reuse.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

The utility model provides a waste water prefilter of rinsing machine, includes the washing case, washing bottom of the case portion is connected with the sewage treatment case, be provided with filtering mechanism in the sewage treatment case, filtering mechanism is provided with first baffle including setting gradually baffle-box, rose box and the clean water case in the sewage treatment case between baffle-box and the rose box, first baffle is provided with first filter screen, the filter roof portion is provided with the second filter screen, the clean water case bottom is connected with the water spray subassembly, the water spray end of water spray subassembly stretches into in the washing incasement.

By adopting the technical scheme, the sewage in the washing tank firstly enters the buffer tank when entering the sewage treatment tank, because the flow velocity of the sewage is higher when the sewage enters the sewage treatment box, the flow velocity can be reduced through the buffer box, and sewage flows in from the bottom of the buffer tank, so that the impact force of water is further reduced, when the water level in the buffer tank rises to the height of the first filter screen, the sewage enters the filter tank after being filtered by the first filter screen and is filtered again by the second filter screen, the sewage enters the filter tank after being filtered twice and then enters the clear water tank, most impurities in the water are filtered, and the sewage is sprayed onto cloth in the water washing tank through the water spraying assembly, the cloth is washed and cleaned, so that sewage discharged by the washing tank is circularly sent into the washing tank again after being filtered for multiple times, the water resource is recycled, and the water-saving effect is achieved.

The utility model discloses further set up to: the top end of the first partition plate is connected with an inclined guide plate, the guide plate inclines from bottom to top towards the direction deviating from the filter box, and the first filter screen is connected to the upper edge of the guide plate and inclines in the opposite direction.

Through adopting above-mentioned technical scheme, when the water level in the baffle-box upwards risees gradually like this, under the effect of deflector for the dross of water surface is more gathered, and the clearance of the interior water surface dross of baffle-box of being convenient for when the water level continues to rise and is leveled with first filter screen, and water can pass first filter screen entering rose box and stay the dross on the surface of baffle-box, the clearance of the dross of being convenient for.

The utility model discloses further set up to: a second partition plate is arranged between the filter box and the clean water tank, the second filter screen is obliquely arranged, the upper edge of the second filter screen is connected to the upper end of the second partition plate, the lower edge of the second filter screen is connected to the lower edge of the guide plate, and a water passing window is formed in the second partition plate.

through adopting above-mentioned technical scheme, sewage filters the back through the second filter screen once more through first filter screen, filters the great impurity of volume in with sewage and gets into the rose box, enters into the clear water incasement through the water window at last and is convenient for follow-up cyclic utilization.

The utility model discloses further set up to: the upper edge of the sewage treatment box is provided with a cleaning assembly for cleaning floaters on the surface of the buffer box.

Through adopting above-mentioned technical scheme, to sewage treatment back, the baffle-box surface can float the dross that has the macroseed, in time clears up the dross on water surface through clearance subassembly, is favorable to improving the filter effect.

The utility model discloses further set up to: the clearance subassembly is including setting up in the lead screw of sewage treatment case top edge, setting up in sewage treatment case top edge and be used for driving lead screw pivoted clearance motor, threaded connection in the slider of lead screw, connect in the clearance pole of slider, clearance pole end connection has the scoop net.

Through adopting above-mentioned technical scheme, when a certain amount of dross of baffle-box surface accumulation, the clearance motor drives the lead screw and rotates to the drive slider drives scoop net reciprocating motion, and the lower border of scoop net stretches into the surface of water of baffle-box, through scoop net reciprocating motion, realizes the clearance to the surface of water dross.

The utility model discloses further set up to: the cleaning rod end is provided with and is used for controlling the rotatory subassembly that turns to of scoop net, turn to the subassembly including fixed connection in the steering motor of cleaning rod, connect in the steering main gear that turns to the motor output shaft, the pole portion of scoop net rotates and connects in the cleaning rod, scoop net pole portion fixedly connected with turns to from the gear, turn to the main gear with turn to from gear engagement.

Through adopting above-mentioned technical scheme, when the scoop net once removed along a direction, the dross has been piled up to a side of scoop net, when the scoop net reverse movement, in order to prevent to pile up the dross on the scoop net surface once more by being washed down, drives the scoop net through rotating the motor and rotates 180 degrees to realize the clearance of baffle-box surface dross.

The utility model discloses further set up to: the water spraying assembly comprises a water spraying pipe connected with the clean water tank, a water pump connected with the water spraying pipe and a water spraying rod connected with the water pump, the water spraying rod is fixed at the top of the washing tank, and a plurality of water spraying holes are formed in the side wall of the water spraying rod.

Through adopting above-mentioned technical scheme, the quality of water in the clear water tank is cleaner, and the water pump is taken out the water in the clear water tank and is spouted into the washing incasement through the spray pipe, realizes wasing the cloth in the washing incasement, realizes recycling of sewage.

The utility model discloses further set up to: the water passing window is provided with a water filtering plate.

By adopting the technical scheme, the water filtering plate is plate-shaped, the surface of the water filtering plate is provided with a plurality of small holes, and when sewage in the filter box enters the clean water tank through the water filtering plate, the filtering can be realized again, so that the improvement of the water quality is facilitated.

To sum up, the utility model discloses a beneficial technological effect does:

1. The sewage in the washing tank firstly enters the buffer tank when entering the sewage treatment tank, and the flow velocity is reduced through the buffer tank due to the fact that the flow velocity is high when the sewage enters the sewage treatment tank, and the sewage flows in from the bottom of the buffer tank, so that the impact force of water is further reduced;

2. When the water level in the baffle-box upwards risees gradually, under the effect of deflector for the dross of water surface is more gathered, the clearance of the interior water surface dross of the baffle-box of being convenient for, when the water level continued to rise and level with first filter screen, water can pass first filter screen entering rose box and stay the dross on the surface of baffle-box, the clearance of the dross of being convenient for.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

Fig. 2 is a schematic structural view of the driving mechanism of the present invention;

Fig. 3 is an overall overhead structure schematic diagram of the feeding mechanism of the present invention;

FIG. 4 is a schematic view of the external structure of the water washing tank of the present invention;

FIG. 5 is a schematic sectional view of the water washing tank of the present invention;

FIG. 6 is a schematic cross-sectional structural view of the overflow box of the present invention;

Fig. 7 is a schematic structural view of the circulation mechanism of the present invention;

FIG. 8 is a schematic sectional view of the sewage treatment tank of the present invention.

In the figure, 1, a feeding mechanism; 2. a water washing mechanism; 3. a circulating mechanism; 4. a frame; 5. a feed roll; 6. a discharging roller; 7. a water tank; 8. an auxiliary device; 9. a cloth loosening mechanism; 10. a drive mechanism; 11. a drive motor; 12. a drive gear; 13. a rack; 14. a knocking shaft; 15. knocking the motor; 16. knocking hammers; 17. a knock bar; 18. knocking the plate; 19. water permeable holes; 20. a draining component; 21. a cloth loosening wheel; 22. a draining roller; 23. loosening the cloth shaft; 24. a turntable; 25. loosening the cloth rod; 26. a cloth loosening motor; 27. a water washing tank; 28. a pipeline; 29. an overflow tank; 30. a separator plate; 31. an overflow port; 32. an adjustment assembly; 33. a filter assembly; 34. a lifting groove; 35. an adjusting plate; 36. adjusting the screw rod; 37. a card slot; 38. clamping a platform; 39. sealing the sheet; 40. a kneading block; 41. a filter screen; 42. a filter block; 43. a sponge; 44. an activated carbon layer; 45. a sewage treatment tank; 46. a filtering mechanism; 47. a buffer tank; 48. a filter box; 49. a clear water tank; 50. a first separator; 51. a first filter screen; 52. a second filter screen; 53. a water spray assembly; 54. a guide plate; 55. a second separator; 56. a water passing window; 57. cleaning the assembly; 58. a lead screw; 59. cleaning the motor; 60. a slider; 61. cleaning the rod; 62. fishing the net; 63. a steering assembly; 64. a steering motor; 65. a steering main gear; 66. a steering slave gear; 67. a water spray pipe; 68. a water pump; 69. a water spray bar; 70. a water spray hole; 71. a water filter plate.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses a waste water prefiltering device of rinsing machine, including feed mechanism 1, washing mechanism 2 and the circulation mechanism 3 that sets gradually, the cloth accomplishes preliminary washing when feed mechanism 1, later send into washing mechanism 2 and carry out a lot of deep washing, the waste water entering circulation mechanism 3 that produces in the cleaning process carries out filtration treatment to let in washing mechanism 2 once more and realize waste water reuse, reached the effect of high-efficient water conservation, accord with the theory of green development.

As shown in fig. 2 and 3, the feeding mechanism 1 includes a frame 4, a feeding roller 5 and a discharging roller 6 rotatably disposed at a feeding end and a discharging end of the frame 4, respectively, and a water tank 7 rotatably disposed at the frame 4 through a rotating shaft, wherein an auxiliary device 8 is disposed in the water tank 7, the auxiliary device 8 is rotatably disposed at the bottom of the water tank 7, a cloth loosening mechanism 9 is disposed at a position on the frame 4 near the discharging end of the water tank 7, and a driving mechanism 10 for driving the water tank 7 to shake is disposed at the bottom of the frame 4; feed roll 5 and discharge roller 6 provide traction force to the cloth, thereby make the cloth can continuously forward the conveying, the cloth passes inside basin 7 under feed roll 5's guide, and because contain washing water in the basin 7, when the water in the cloth process basin 7, can realize preliminary washing to the cloth, thereby wash partly with the dyeing clout and the surperficial thick liquids of cloth, and when the cloth passes through in basin 7, auxiliary device 8 can beat the cloth, thereby improve the washing effect of cloth, it rocks to drive basin 7 through actuating mechanism 10, can promote the flow of basin 7 internal water, thereby the washing effect is better.

As shown in fig. 2, the upper end of the water tank 7 is open, the bottom surface of the water tank 7 is arranged in an arc shape protruding downwards, the driving mechanism 10 comprises a driving motor 11 fixedly arranged on the frame 4, a driving gear 12 connected to the output shaft of the driving motor 11, and a rack 13 which is welded and fixedly connected to the lower surface of the water tank 7 and is in an arc shape, and the rack 13 is meshed with the driving gear 12; in the process that the cloth passes through the water tank 7 and is conveyed, the driving motor 11 is started and drives the driving gear 12 to rotate, so that the rack 13 and the water tank 7 are driven to move, the driving motor 11 preferably adopts a servo motor, and the water tank 7 is rocked by driving the driving gear 12 to rotate forwards and backwards.

as shown in fig. 3, the auxiliary device 8 includes a knocking shaft 14 rotatably disposed on the side wall of the water tank 7 and located at the bottom of the water tank 7, a knocking motor 15 connected to the outer wall of the water tank 7 and configured to drive the knocking shaft 14 to rotate, and a knocking hammer 16 fixedly connected to the middle of the knocking shaft 14; when cloth passes through the water tank 7, the knocking motor 15 drives the knocking shaft 14 to rotate, so as to drive the knocking hammer 16 to rotate, the cloth can be knocked and patted in the rotation process of the knocking hammer 16, redundant dye and slurry in the cloth are discharged, and the washing effect of the cloth is improved.

As shown in fig. 3, the rapping hammer 16 comprises a rapping bar 17 fixedly connected to the rapping shaft 14, a rapping plate 18 connected to the end of the rapping bar 17; when the hammer 16 is rotated, the striking plate 18 is brought into direct contact with the cloth surface and strikes the cloth surface, and the area of the striking plate 18 is large, so that the striking effect can be enhanced.

As shown in fig. 3, a plurality of water permeable holes 19 are formed on the surface of the knocking plate 18; since the striking plate 18 is submerged when rotated, resistance of the striking plate 18 when moved in water can be reduced by providing the water permeable holes 19, and the amount of water carried up when the striking plate 18 is discharged is reduced.

as shown in fig. 3, the cloth loosening mechanism 9 comprises a draining assembly 20 rotatably connected to the discharge end of the frame 4, and a cloth loosening wheel 21 rotatably connected to the frame 4; when the cloth is sent out from the water tank 7, water in the cloth can be drained through the draining component 20, redundant water is prevented from being brought out, when the cloth is sent out, the cloth cover is flapped through the cloth loosening wheel 21, and therefore the tightly wrinkled cloth is flapped, and the subsequent cloth can be conveniently opened.

As shown in fig. 1 and 2, the draining assembly 20 includes two draining rollers 22 rotatably disposed on the frame 4, wherein the side walls of the two draining rollers 22 contact with each other; the cloth passes through the middle of the two draining rollers 22, and the water in the cloth is drained under the squeezing action of the two draining rollers 22.

As shown in fig. 3, the cloth loosening wheel 21 comprises a cloth loosening shaft 23 rotatably connected to the frame 4, two rotating discs 24 connected to the cloth loosening shaft 23, a cloth loosening rod 25 connected between the two rotating discs 24, and a cloth loosening motor 26 connected to the frame 4 and used for driving the cloth loosening shaft 23 to rotate; the cloth loosening motor 26 drives the cloth loosening shaft 23 and the rotary disc 24 to rotate, so that the cloth loosening rod 25 is driven to rotate, beating and knocking can be achieved on cloth in the rotating process of the cloth loosening rod 25, and the crumpled cloth is beaten loose.

as shown in figure 3, the middle part of the cloth loosening rod 25 is outwards bent and protruded, when the cloth loosening rod 25 rotates, the protruded part of the middle section of the cloth loosening rod 25 is in direct contact with the cloth, and in the beating process, because the cloth loosening rod 25 is bent, the outward expanding force can be applied to the cloth, so that the cloth can be conveniently expanded.

As shown in fig. 1, 4 and 5, the circulating mechanism 3 includes a plurality of water washing tanks 27 arranged in sequence, at least three water washing tanks are provided, the highest liquid levels of the three water washing tanks 27 are arranged in a gradually decreasing manner, a pipeline 28 is connected between adjacent water washing tanks 27, one end of the pipeline 28 is connected to the bottom of the water washing tank 27 with a higher water level, the other end of the pipeline 28 is connected to the top of the water washing tank 27 with a lower water level, overflow tanks 29 are provided at positions close to the water outlet side in the water washing tanks 27, each overflow tank 29 includes a partition plate 30 arranged in the water washing tanks 27, the water washing tanks 27 are separated by the partition plates 30 to form the overflow tanks 29, overflow ports 31 through which water flows are provided at positions close to the upper portions of the partition plates 30, the partition plates 30 are provided with adjusting assemblies 32 for adjusting the heights of the overflow; the cloth is from lower washing case 27 to higher washing case 27 conveying in proper order, thereby realize multistage washing, and quality of water is most clear in the washing case 27 of highest point, when the water in the washing case 27 of highest point surpassed overflow tank 29's overflow mouth 31, the water of eminence can flow in the washing case 27 of lower one-level, thereby reach the effect of water economy resource, and can realize the regulation of overflow mouth 31 height through adjusting part 32, through the height of adjusting overflow mouth 31, realize the regulation of washing 27 interior water level, thereby can be according to the water level in the different operating mode adjustment washing case 27.

As shown in fig. 5 and 6, the adjusting assembly 32 includes a lifting groove 34 opened on the bottom surface of the overflow port 31 and located in the isolation plate 30, and an adjusting plate 35 slidably disposed in the lifting groove 34, the upper end of the adjusting plate 35 extends into the overflow port 31, the lower surface of the adjusting plate 35 is rotatably connected with an adjusting screw 36, and the adjusting screw 36 is in threaded connection with the isolation plate 30 and extends downward out of the bottom plate of the washing tank 27; when the height of the bottom edge of the overflow port 31 needs to be adjusted, the adjusting screw 36 is screwed to drive the adjusting plate 35 to be adjusted up and down along the lifting groove 34, the upper end of the adjusting plate 35 is controlled to stretch into the height of the overflow port 31, and when the adjusting plate 35 is adjusted upwards, the water storage capacity of the water washing tank 27 is increased, so that the water washing effect is improved.

As shown in fig. 6, a cylindrical clamping groove 37 is formed in the lower surface of the adjusting plate 35, a cylindrical clamping table 38 is arranged at the end of the adjusting screw 36, and the clamping table 38 is clamped in the clamping groove 37 and can rotate; when the adjusting screw 36 rotates, the adjusting screw 36 rotates and goes up and down, and the adjusting plate 35 does not rotate while going up and down through the rotation of the clamping table 38 in the clamping groove 37.

As shown in fig. 6, a sealing sheet 39 is arranged on the upper edge of the lifting groove 34, and the sealing sheet 39 is closely attached to the side wall of the adjusting plate 35; when the adjusting plate 35 is lifted, the sealing sheet 39 is provided to prevent water in the washing tank 27 from leaking into the lifting groove 34.

As shown in fig. 6, a holding block 40 for easy adjustment is connected to the lower end of the adjusting screw 36; when the adjusting screw 36 is adjusted to rotate, the operation is facilitated by the pinching holding block 40.

As shown in fig. 6, the filter assembly 33 includes a filter screen 41 disposed in the overflow tank 29, a filter block 42 disposed on the filter screen 41; when water in the water washing tank 27 enters the overflow tank 29, certain impurities are contained, and when the water passes through the filter block 42, certain filtering can be realized, so that the content of the impurities entering the next-stage water washing tank 27 is reduced.

As shown in fig. 6, the filter block 42 includes a sponge 43, and an activated carbon layer 44 disposed in the middle of the sponge 43, wherein the activated carbon layer 44 is made of activated carbon particles; the sponge 43 has a certain filtering function, and the activated carbon can adsorb smaller impurities in water, so that the effect of purifying the water quality is achieved.

as shown in fig. 7 and 8, the circulating mechanism 3 includes a sewage treatment tank 45 connected to the water washing tank 27, a filtering mechanism 46 is disposed in the sewage treatment tank 45, the filtering mechanism 46 includes a buffer tank 47, a filtering tank 48 and a clean water tank 49 which are sequentially disposed in the sewage treatment tank 45, a first partition 50 is disposed between the buffer tank 47 and the filtering tank 48, the first partition 50 separates a cavity of the water washing tank 27 from the buffer tank 47 and the filtering tank 48, a first filter screen 51 is disposed on the first partition 50, a second filter screen 52 is disposed on the top of the filtering tank 48, a water spraying assembly 53 is connected to the bottom of the clean water tank 49, and a water spraying end of the water spraying assembly 53 extends into the water washing tank 27; the sewage in the washing tank 27 firstly enters the buffer tank 47 when entering the sewage treatment tank 45, and the flow velocity can be reduced through the buffer tank 47 because the flow velocity is higher when the sewage enters the sewage treatment tank 45, and the sewage flows in from the bottom of the buffer tank 47, further reducing the impact force of the water, when the water level in the buffer tank 47 rises to the height of the first screen 51, the sewage enters the filter box 48 after being filtered by the first filter screen 51 and is filtered again by the second filter screen 52, enters the filter box 48 after being filtered twice and then enters the clean water box 49, most impurities in the water are filtered at the moment, and finally is sprayed onto the cloth in the water washing box 27 through the water spraying assembly 53, realize the washing clearance to the cloth, the sewage that washes 27 exhaustss of case is filtered many times like this and is circulated once more and send into washing 27 incasement, realizes the cyclic utilization to the water resource, reaches water economy's effect.

As shown in fig. 7 and 8, an inclined guide plate 54 is connected to the top end of the first partition plate 50, the guide plate 54 is inclined from bottom to top in a direction away from the filtering box 48 so that the upper end opening of the buffer box 47 is gradually reduced, and the first filter screen 51 is connected to the upper edge of the guide plate 54 and is inclined in the opposite direction; thus, when the water level in the buffer tank 47 gradually rises upwards, the scum on the water surface is gathered under the action of the guide plate 54, so that the scum on the water surface in the buffer tank 47 can be cleaned conveniently, and when the water level continues to rise and is flush with the first filter screen 51, the water can pass through the first filter screen 51 to enter the filter tank 48 and leave the scum on the surface of the buffer tank 47, so that the scum can be cleaned conveniently.

As shown in fig. 8, a second partition plate 55 is arranged between the filter box 48 and the clean water box 49, the filter box 48 is separated from the clean water box 49 by the vertically arranged second partition plate 55, the second filter screen 52 is obliquely arranged, the upper edge of the second filter screen is connected to the upper end of the second partition plate 55, the lower edge of the second filter screen is connected to the lower edge of the guide plate 54, a water passing window 56 is arranged on the second partition plate 55, and the water passing window 56 is communicated with the filter box 48 and the clean water box 49; the sewage is filtered by the first filter screen 51 and then filtered again by the second filter screen 52, so that impurities with large volume in the sewage are filtered and enter the filter box 48, and finally enter the clean water tank 49 through the water window 56 for subsequent recycling.

as shown in fig. 7, the upper edge of the sewage treatment tank 45 is provided with a cleaning component 57 for cleaning floating objects on the surface of the buffer tank 47; after sewage treatment, the scum of big material can float on the surface of the buffer tank 47, and the scum on the water surface is cleaned in time through the cleaning component 57, so that the filtering effect is improved.

As shown in fig. 7, the cleaning assembly 57 includes a support fixedly disposed on the upper edge of the sewage treatment tank 45, a lead screw 58 rotatably disposed on the support, and a cleaning motor 59 disposed on the upper edge of the sewage treatment tank 45 and connected to the end of the lead screw 58, the lead screw 58 is connected with a slide block 60 by a thread, a cleaning rod 61 is welded on the slide block 60, a scoop net 62 is connected to the end of the cleaning rod 61, and the scoop net 62 may be a plastic net; when a certain amount of scum is accumulated on the surface of the buffer box 47, the cleaning motor 59 drives the screw 58 to rotate, so that the driving slide block 60 drives the fishing net 62 to reciprocate, the lower edge of the fishing net 62 extends into the water surface of the buffer box 47, and the scum on the water surface is cleaned through the reciprocating movement of the fishing net 62.

As shown in fig. 7, a steering assembly 63 for controlling the rotation of the scoop net 62 is arranged at the end of the cleaning rod 61, the steering assembly 63 comprises a steering motor 64 fixedly connected to the cleaning rod 61, and a steering main gear 65 connected to the output shaft of the steering motor 64, the scoop net 62 comprises a rod part and a net part, the rod part of the scoop net 62 is rotatably connected to the cleaning rod 61, the rod part of the scoop net 62 is fixedly connected with a steering slave gear 66, and the steering main gear 65 is meshed with the steering slave gear 66; when the scoop net 62 moves once in one direction, scum is accumulated on one side surface of the scoop net 62, and when the scoop net 62 moves in the reverse direction, in order to prevent scum accumulated on the surface of the scoop net 62 from being washed down again, the scoop net 62 is driven to rotate by 180 degrees by the rotating motor, so that the scum on the surface of the buffer box 47 can be cleaned.

as shown in fig. 7, the water spraying assembly 53 includes a water spraying pipe 67 connected to the clean water tank 49, a water pump 68 connected to the water spraying pipe 67, and a water spraying rod 69 connected to the water pump 68, the water spraying rod 69 is fixed on the top of the water washing tank 27, and a plurality of water spraying holes 70 are formed in the side wall of the water spraying rod 69; the water in the clean water tank 49 is relatively clean, the water in the clean water tank 49 is pumped out by the water pump 68 and sprayed into the water washing tank 27 through the water spraying pipe 67, the cloth in the water washing tank 27 is cleaned, and the sewage is recycled.

As shown in fig. 8, a water filtering plate 71 is fixed on the water filtering window 56 by bolts, the water filtering plate 71 is plate-shaped and has a plurality of fine holes on the surface, and when sewage in the filter box 48 enters the clean water tank 49 through the water filtering plate 71, the sewage can be filtered again, which is beneficial to improving the water quality.

the embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (8)

1. The utility model provides a waste water prefilter of rinsing machine, includes washing case (27), its characterized in that: washing case (27) bottom is connected with sewage treatment case (45), be provided with filtering mechanism (46) in sewage treatment case (45), filtering mechanism (46) are including buffer tank (47), rose box (48) and clean water tank (49) that set gradually in sewage treatment case (45), are provided with first baffle (50) between buffer tank (47) and rose box (48), first baffle (50) are provided with first filter screen (51), rose box (48) top is provided with second filter screen (52), clean water tank (49) bottom is connected with water spray component (53), the water spray end of water spray component (53) stretches into in washing case (27).

2. The waste water prefilter unit of a water washing machine as claimed in claim 1, wherein: the top end of the first partition plate (50) is connected with an inclined guide plate (54), the guide plate (54) inclines from bottom to top towards the direction deviating from the filter box (48), and the first filter screen (51) is connected to the upper edge of the guide plate (54) and inclines towards the opposite direction.

3. The waste water prefilter unit of a water washing machine as defined in claim 2, further comprising: a second partition plate (55) is arranged between the filter box (48) and the clean water tank (49), the second filter screen (52) is obliquely arranged, the upper edge of the second filter screen is connected to the upper end of the second partition plate (55), the lower edge of the second filter screen is connected to the lower edge of the guide plate (54), and a water passing window (56) is formed in the second partition plate (55).

4. The waste water prefilter unit of a water washing machine as claimed in claim 1, wherein: the upper edge of the sewage treatment box (45) is provided with a cleaning component (57) for cleaning floaters on the surface of the buffer box (47).

5. The waste water pre-filtering device of the water washing machine as claimed in claim 4, wherein: clearance subassembly (57) including set up lead screw (58) on sewage treatment case (45) border, set up in sewage treatment case (45) border and be used for driving lead screw (58) pivoted clearance motor (59), threaded connection in slider (60) of lead screw (58), connect in clearance pole (61) of slider (60), clearance pole (61) end connection has scoop net (62).

6. The waste water prefilter unit of a water washing machine according to claim 5, wherein: the utility model discloses a cleaning rod, including cleaning rod (61), cleaning rod (61) tip is provided with and is used for controlling the steering assembly (63) that scoop net (62) rotated, steering assembly (63) including fixed connection in steering motor (64) of cleaning rod (61), connect in steering main gear (65) of steering motor (64) output shaft, the pole portion of scoop net (62) rotates and connects in cleaning rod (61), scoop net (62) pole portion fixedly connected with turns to from gear (66), steering main gear (65) with turn to from gear (66) meshing.

7. The waste water prefilter unit of a water washing machine as claimed in claim 1, wherein: the water spraying assembly (53) comprises a water spraying pipe (67) connected to the clean water tank (49), a water pump (68) connected to the water spraying pipe (67), and a water spraying rod (69) connected to the water pump (68), the water spraying rod (69) is fixed to the top of the water washing tank (27), and a plurality of water spraying holes (70) are formed in the side wall of the water spraying rod (69).

8. The waste water prefilter unit of a water washing machine according to claim 3, wherein: the water passing window (56) is provided with a water filtering plate (71).