CN111023213A

CN111023213A - Automatic cleaning type oil smoke clarifier

Info

Publication number: CN111023213A
Application number: CN201911405714.XA
Authority: CN
Inventors: 王军林; 徐华栋; 徐元相
Original assignee: Shaoxing Xucheng Environmental Protection Equipment Co Ltd
Current assignee: Shaoxing Xucheng Environmental Protection Equipment Co Ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-04-17
Anticipated expiration: 2039-12-30
Also published as: CN111023213B

Abstract

The invention discloses an automatic cleaning type oil fume purifier, which comprises a fume collecting hood, an oil fume purifier, a fan and a pipeline, wherein the pipeline is used for connecting the fume collecting hood with the oil fume purifier and connecting the oil fume purifier with the fan; the cleaning device comprises a walking trolley, a water spraying assembly arranged on the front end of the walking trolley and a water retaining assembly arranged at the bottom end of the walking trolley. The automatic cleaning device can automatically clean the inner wall of the pipeline, saves time and labor and is clean.

Description

Automatic cleaning type oil smoke clarifier

Technical Field

The invention relates to the technical field of oil fume purifiers, in particular to an automatic cleaning type oil fume purifier.

Background

The oil fume purifier is mainly used for purifying and treating low-altitude oil fume discharged from a kitchen on the basis of absorbing the advantages of similar products at home and abroad by the aid of the concentration of the oil fume purifier and the lowest removal efficiency of oil fume purification equipment; the product is used in hotels, restaurants, wineshops, restaurants, schools, institutions, factories and other places; frying and cooking food; oil spatters industrial occasions such as heat treatment workshop, oil mist lubrication workshop, work piece welding workshop and alkene oil boiler emission.

Gather grease mixture in the oil smoke clarifier pipeline of current culinary art trade easily, because the oil smoke clarifier is nearer apart from the fire source, incident such as conflagration takes place easily, so need clear up the grease in the pipeline, current pipeline washs and clears up the grease mixture in the pipeline for artifical the pipeline of crawling into, and intensity of labour is high and the clearance is unclean.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides the automatic cleaning type oil fume purifier which can automatically clean the inner wall of the pipeline, saves time and labor and is clean.

In order to achieve the purpose, the invention adopts the following technical scheme: an automatic cleaning type oil fume purifier comprises a fume collecting hood, an oil fume purifier, a fan and a pipeline, wherein the pipeline is used for connecting the fume collecting hood with the oil fume purifier and connecting the oil fume purifier with the fan; the cleaning device comprises a walking trolley, a water spraying assembly arranged at the front end of the walking trolley and a water retaining assembly arranged at the bottom end of the walking trolley, wherein the walking trolley comprises a first driving wheel set and a second driving wheel set, the first driving wheel set comprises a cross-shaped slide rail, a first slide seat movably arranged at the upper end of the slide rail, a second slide seat movably arranged at the lower end of the slide rail, a third slide seat movably arranged at the left end of the slide rail, a fourth slide seat movably arranged at the right end of the slide rail, a first double-shaft motor arranged on the end surface of the first slide seat, a second double-shaft motor arranged on the end surface of the second slide seat, a third double-shaft motor arranged on the end surface of the third slide seat, a fourth double-shaft motor arranged on the end surface of the fourth slide seat, a first air rod fixedly arranged on the first slide seat at one end and fixedly arranged on the first double-shaft motor at the, The first air rod is fixedly arranged on the first sliding seat, the second air rod is fixedly arranged on the second double-shaft motor, one end of the first air rod is fixedly arranged on the second sliding seat, the other end of the first air rod is fixedly arranged on the fourth double-shaft motor, the driving part is used for driving the first sliding seat, the second sliding seat, the third sliding seat and the fourth sliding seat to move, and the anti-skid wheels are respectively arranged on two driving shafts of the first; the whole walking trolley is put into the pipeline, the driving part simultaneously drives the first sliding seat, the second sliding seat, the third sliding seat and the fourth sliding seat to respectively move towards the inner wall of the pipeline, namely, the first double-shaft motor, the second double-shaft motor, the third double-shaft motor and the fourth double-shaft motor move towards the inner wall of the pipeline, an anti-skid wheel arranged on the first double-shaft motor is in contact with the inner wall of the pipeline and compresses a first air rod, an anti-skid wheel arranged on the second double-shaft motor is in contact with the inner wall of the pipeline and compresses a second air rod, an anti-skid wheel arranged on the third double-shaft motor is in contact with the inner wall of the pipeline and compresses a third air rod, an anti-skid wheel arranged on the fourth double-shaft motor is in contact with the inner wall of the pipeline and compresses a fourth air rod, the first double-shaft motor, the second double-shaft motor, the third double-shaft motor and the fourth double-shaft motor are started simultaneously, the driving walking trolley is positioned in the pipeline to move, the. The invention firstly drives the first slide seat, the second slide seat, the third slide seat and the fourth slide seat to move towards the inner wall of the pipeline respectively by the driving part, namely the first double-shaft motor, the second double-shaft motor, the third double-shaft motor and the fourth double-shaft motor move towards the inner wall of the pipeline, so that the antiskid wheel arranged on the first double-shaft motor contacts with the inner wall of the pipeline and compresses the first air rod, the antiskid wheel arranged on the second double-shaft motor contacts with the inner wall of the pipeline and compresses the second air rod, the antiskid wheel arranged on the third double-shaft motor contacts with the inner wall of the pipeline and compresses the third air rod, the antiskid wheel arranged on the fourth double-shaft motor contacts with the inner wall of the pipeline and compresses the fourth air rod, then the first double-shaft motor, the second double-shaft motor, the third double-shaft motor and the fourth double-shaft motor are started simultaneously, so that a plurality of antiskid wheels rotate, namely, the travelling trolley is driven to, the anti-skidding wheels are reversely pushed through the first air rod, the second air rod, the third air rod and the fourth air rod, the friction force of the anti-skidding wheels is improved, grease in a pipeline is prevented from causing the anti-skidding wheels to skid, so that the moving of a walking trolley is influenced, the plurality of anti-skidding wheels are simultaneously contacted with the inner wall of the pipeline through the arrangement, the walking trolley is positioned in the middle of the pipeline, a water spraying assembly can be positioned in the middle of the pipeline, the water spraying assembly sprays water into the pipeline for washing after being started, the washing process is uniform, the cleaning is cleaner, meanwhile, the water blocking assembly pushes the sewage generated after the cleaning forward and discharges the sewage out of the pipeline, and the sewage is prevented from polluting the inner wall of the cleaned pipeline again; through above-mentioned structure can carry out self-cleaning, labour saving and time saving and clean up to the pipeline inner wall.

The driving part comprises a first hollow pipe and a second hollow pipe which are fixedly arranged at the centers of two ends of the sliding rail, a first moving block sleeved on the first hollow pipe, a second moving block sleeved on the second hollow pipe, four first slotted holes which are distributed on the first hollow pipe in an annular mode at equal intervals, four second slotted holes which are distributed on the second hollow pipe in an annular mode at equal intervals, four first rotating rods, one ends of which are rotatably arranged on the first moving block, the other ends of which are rotatably arranged on the first sliding seat, the second sliding seat, the third sliding seat and the fourth sliding seat respectively, four second rotating rods, one ends of which are rotatably arranged on the second moving block, the other ends of which are rotatably arranged on the first sliding seat, the second sliding seat, the third sliding seat and the fourth sliding seat respectively, four first toothed blocks which are fixedly arranged on the first moving block and are positioned in the four first slotted holes, four second toothed blocks which are fixedly arranged on the second moving block and are, The screw rod is arranged in the first hollow pipe and the second hollow pipe, and the first motor is used for driving the screw rod to rotate; the first motor drives the screw rod to rotate, so that the first tooth block and the second tooth block move towards the direction of the sliding rail, even if the first moving block and the second moving block move towards the direction of the sliding rail, the first rotating rod and the second rotating rod are arranged to enable the first sliding seat, the second sliding seat, the third sliding seat and the fourth sliding seat to move towards the inner wall of the pipeline, the first tooth block is positioned in the first groove hole and the second tooth block is positioned in the second groove hole, so that the first moving block and the second moving block are prevented from rotating in the moving process, the first rotating rod and the second rotating rod are prevented from generating torsion, namely, the abrasion of the switching part of the first rotating rod and the second rotating rod is prevented from being increased, the first sliding seat, the second sliding seat, the third sliding seat and the fourth sliding seat are respectively driven to move by the first rotating rod and the second rotating rod, the stress of the sliding seats is uniform in the moving process, and the sliding rail, the first sliding seat, the second sliding seat, the third sliding seat and the fourth sliding seat are prevented from, the abrasion between the two parts is reduced, and the stability in the moving process can be improved; and finally, the first sliding seat, the second sliding seat, the third sliding seat and the fourth sliding seat are retracted into the sliding rail by driving the first motor to rotate reversely, namely the screw rod rotates reversely.

The water spraying assembly comprises a fixed disc, a base, a first gear, a plurality of second gears, a second motor, a water inlet tank, a plurality of groups of spray heads, a first electronic telescopic rod and a water inlet pipe, wherein the fixed disc is arranged in the same axis as the first hollow tube; the first electronic telescopic rod is driven to drive the water inlet tank to move, the first electronic telescopic rod is close to the base and is far away from the base, the multiple groups of spray head groups are rotated at the same time, namely, the rotation angles are adjusted according to the size of the pipeline, even if the washing angle of the inner wall of the pipeline washed by hot water is kept inconvenient and optimal in washing effect, the second gear is rotated by starting the second motor and is meshed with the first gear, so that the first gear is driven to rotate, the first gear is sleeved on the base, the base is integrally rotated, the multiple groups of spray head groups are rotated, the inner wall of the pipeline is washed, the base is rotated as an axis, dead angles in the washing process are avoided, the washing is more comprehensive and clean, the collision groups are provided with multiple groups, the impact force close to the water inlet pipe is maximum, the rear part is gradually reduced, the rear spray head groups can block the front splashed grease and wash the front grease, enabling the sewage to be flushed ahead.

The nozzle group comprises a plurality of lantern rings which are distributed in an equidistant annular manner and are rotatably arranged on the base, and nozzles which are inserted into the lantern rings and are rotatably arranged on the water inlet tank, and the water inlet tank is communicated with the nozzles; hot water enters the water inlet tank through the water inlet pipe, and finally washes the inner wall of the pipeline through the nozzle in the water inlet tank entering nozzle, so that the nozzle is moved and rotated in the water inlet tank moving process, the lantern ring is rotated, the nozzle can be located in the lantern ring, and the angle of the nozzle is changed.

The water retaining assembly comprises a first rotating shaft rotatably arranged on the third double-shaft motor anti-skid wheel, a second rotating shaft rotatably arranged on the fourth double-shaft motor anti-skid wheel, a first sleeve sleeved on the first rotating shaft, a second sleeve sleeved on the second rotating shaft, a first oil scraping plate with one end fixedly arranged on the first sleeve, a second oil scraping plate with one end fixedly arranged on the second sleeve and rotatably connected with the other end of the first oil scraping plate, a fixed block fixedly arranged on the second sliding seat, a third slotted hole arranged on the fixed block, and a step shaft rotatably arranged at the rotating positions of the first oil scraping plate and the second oil scraping plate; the first rotating shaft and the second rotating shaft move together in the moving process of the third double-shaft motor and the fourth double-shaft motor, the first sleeve and the second sleeve move together, the first oil scraping plate and the second oil scraping plate rotate by taking the rotating positions of the first oil scraping plate and the second oil scraping plate as axes, so that the first double-shaft motor and the fourth double-shaft motor adapt to pipelines with different sizes, the fixed block moves up and down by the aid of the second sliding seat, the fixed block moves up and down along with the first oil scraping plate and the second oil scraping plate, the fixed block is provided with a third groove hole, the step shaft is located in the third groove hole, the first oil scraping plate and the second oil scraping plate are driven to move together in the moving process of the fixed block, the first sleeve and the second sleeve move up and down along the directions of the first rotating shaft and the second rotating shaft, the first oil scraping plate and the second oil scraping plate can be attached to the bottom of the pipeline, pushing the sewage at the bottom of the pipeline out of the pipeline.

The invention has the following advantages: the driving walking trolley is positioned in the pipeline to move, automatic adaptation can be carried out according to the size of the pipeline, reverse thrust is carried out on the anti-skidding wheels through the first air rod, the second air rod, the third air rod and the fourth air rod, the friction force of the anti-skidding wheels is improved, grease in the pipeline is prevented from enabling the anti-skidding wheels to skid, so that the movement of the walking trolley is influenced, the walking trolley is positioned in the middle of the pipeline after the anti-skidding wheels are simultaneously contacted with the inner wall of the pipeline through the arrangement, the water spraying assembly can be positioned in the middle of the pipeline, water spraying and washing are carried out on the pipeline after the water spraying assembly is started, the washing process is uniform, cleaning is cleaner, meanwhile, the water retaining assembly pushes sewage generated after cleaning forwards and discharges the pipeline, and secondary pollution of the sewage on the cleaned inner wall; through above-mentioned structure can carry out self-cleaning, labour saving and time saving and clean up to the pipeline inner wall.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the first driving wheel set.

Fig. 3 is a schematic front view of the present invention.

Fig. 4 is a schematic sectional view taken along line a-a of fig. 3.

Fig. 5 is an enlarged view of fig. 4 at C.

Fig. 6 is a schematic cross-sectional view taken along line C-C of fig. 4.

Fig. 7 is an enlarged view of a portion a in fig. 6.

Fig. 8 is a side view of the present invention.

Fig. 9 is an enlarged view of fig. 8 at B.

Fig. 10 is a schematic cross-sectional view taken along line B-B of fig. 8.

Detailed Description

In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1-10, an automatic cleaning type oil fume purifier comprises a fume collecting hood, an oil fume purifier, a fan, a pipeline for connecting the fume collecting hood with the oil fume purifier and connecting the oil fume purifier with the fan, and a cleaning device is arranged in the pipeline; the cleaning device comprises a walking trolley 1, a water spraying component 2 arranged on the front end of the walking trolley, and a water retaining component 3 arranged at the bottom end of the walking trolley, wherein the walking trolley 1 comprises a first driving wheel set 11 and a second driving wheel set 12, the first driving wheel set 11 comprises a cross-shaped slide rail 111, a first slide seat 112 movably arranged at the upper end of the slide rail, a second slide seat 113 movably arranged at the lower end of the slide rail, a third slide seat 114 movably arranged at the left end of the slide rail, a fourth slide seat 115 movably arranged at the right end of the slide rail, a first double-shaft motor 116 arranged on the end surface of the first slide seat, a second double-shaft motor 117 arranged on the end surface of the second slide seat, a third double-shaft motor 118 arranged on the end surface of the third slide seat, a fourth double-shaft motor 119 arranged on the end surface of the fourth slide seat, and a first air rod, A second air rod 121 with one end fixedly arranged on the second slide carriage and the other end fixedly arranged on the second double-shaft motor, a third air rod 122 with one end fixedly arranged on the third slide carriage and the other end fixedly arranged on the third double-shaft motor, a fourth air rod 123 with one end fixedly arranged on the fourth slide carriage and the other end fixedly arranged on the fourth double-shaft motor, a driving component 124 for driving the first slide carriage and the second slide carriage as well as the third slide carriage and the fourth slide carriage to move, and a plurality of anti-skid wheels 137 respectively arranged on two driving shafts of the first double-shaft motor and the second double-shaft motor as well as the third double-shaft motor and the fourth double-shaft motor; the whole walking trolley is put into the pipeline, the driving part simultaneously drives the first sliding seat, the second sliding seat, the third sliding seat and the fourth sliding seat to respectively move towards the inner wall of the pipeline, namely, the first double-shaft motor, the second double-shaft motor, the third double-shaft motor and the fourth double-shaft motor move towards the inner wall of the pipeline, an anti-skid wheel arranged on the first double-shaft motor is in contact with the inner wall of the pipeline and compresses a first air rod, an anti-skid wheel arranged on the second double-shaft motor is in contact with the inner wall of the pipeline and compresses a second air rod, an anti-skid wheel arranged on the third double-shaft motor is in contact with the inner wall of the pipeline and compresses a third air rod, an anti-skid wheel arranged on the fourth double-shaft motor is in contact with the inner wall of the pipeline and compresses a fourth air rod, the first double-shaft motor, the second double-shaft motor, the third double-shaft motor and the fourth double-shaft motor are started simultaneously, the driving walking trolley is positioned in the pipeline to move, the. The first sliding seat, the second sliding seat, the third sliding seat and the fourth sliding seat are driven by the driving part to move towards the inner wall of the pipeline respectively through the sliding rail, namely the first double-shaft motor, the second double-shaft motor, the third double-shaft motor and the fourth double-shaft motor move towards the inner wall of the pipeline, so that the anti-skid wheel arranged on the first double-shaft motor is in contact with the inner wall of the pipeline and compresses the first air rod, the anti-skid wheel arranged on the second double-shaft motor is in contact with the inner wall of the pipeline and compresses the second air rod, the anti-skid wheel arranged on the third double-shaft motor is in contact with the inner wall of the pipeline and compresses the third air rod, the anti-skid wheel arranged on the fourth double-shaft motor is in contact with the inner wall of the pipeline and compresses the fourth air rod, and then the first double-shaft motor, the second double-shaft motor, the third double-shaft motor.

First driving wheel group 11 is the same with second driving wheel group 12 structure, drives the walking dolly jointly through first driving wheel group and second driving wheel group and removes, makes the walking along can be along pipeline inner wall rectilinear movement, makes the better pipeline inner wall that washes of water spray assembly, makes the better laminating bottom of the pipeline of manger plate subassembly.

The driving part 124 comprises a first hollow tube 125 and a second hollow tube 126 fixed at the centers of two ends of the sliding rail, a first moving block 127 sleeved on the first hollow tube, a second moving block 128 sleeved on the second hollow tube, four first slots 129 distributed on the first hollow tube in an equidistant annular manner, four second slots 130 distributed on the second hollow tube in an equidistant annular manner, four first rotating rods 131 with one end rotatably arranged on the first moving block and the other end rotatably arranged on the first slide seat, the second slide seat, the third slide seat and the fourth slide seat respectively, four second rotating rods 132 with one end rotatably arranged on the second moving block and the other end rotatably arranged on the first slide seat, the second slide seat, the third slide seat and the fourth slide seat respectively, four first tooth blocks 133 fixed on the first moving block and positioned in the four first slots, and four second tooth blocks 134 fixed on the second moving block and positioned in the four second slots, The screw rod 135 is arranged in the first hollow pipe and the second hollow pipe, the first motor 136 is used for driving the screw rod to rotate, a positive thread at one end of the screw rod and a negative thread at the other end of the screw rod are formed, the positive thread of the screw rod is meshed with the four first tooth blocks, and the negative thread of the screw rod is meshed with the four second tooth blocks; first motor drive screw rotates, makes first tooth piece and second tooth piece remove to the slide rail direction, even first movable block and second movable block remove to the slide rail direction, the setting up of rethread first bull stick and second bull stick makes first slide and second slide and third slide and fourth slide can remove to the pipeline inner wall.

The water spray component 2 comprises a fixed disk 21 which is arranged at the same axis as the first hollow pipe, a base 22 which is rotatably arranged at the axis of the fixed disk, a first gear 23 which is sleeved on the base, a plurality of second gears 24 which are distributed on the fixed disk in an equidistant annular manner and are meshed with the first gear, a second motor 25 which is used for driving one of the second gears to rotate, a water inlet tank 26 which is arranged on the base, a plurality of groups of spray head groups 27 which are arranged on the water inlet tank in an equidistant manner, a first electronic telescopic rod 28 which is used for driving the water inlet tank to move on the base, and a water inlet pipe 29 which is arranged in the middle of the water inlet; the first electron telescopic link of drive case of intaking removes, is close to the base and keeps away from the base, makes multiunit shower nozzle group turned angle simultaneously, adjusts according to the size of pipeline promptly, even the hot water washes the angle of washing of pipeline inner wall and keeps inconvenient for the washing effect best, starts to make the second gear rotate through the second motor, second gear and first gear meshing to the first gear of drive rotates, first gear sleeve is on the base to make the base rotate wholly, thereby make multiunit shower nozzle group rotate, wash the pipeline inner wall, use the base to rotate as the axle center.

The nozzle group 27 comprises a plurality of lantern rings 271 which are distributed in an equidistant annular manner and are rotatably arranged on the base, and nozzles 272 which are inserted into the lantern rings and are rotatably arranged on a water inlet tank, wherein the water inlet tank is communicated with the nozzles; hot water enters the water inlet tank through the water inlet pipe, and finally washes the inner wall of the pipeline through the nozzle in the water inlet tank entering nozzle, so that the nozzle is moved and rotated in the water inlet tank moving process, the lantern ring is rotated, the nozzle can be located in the lantern ring, and the angle of the nozzle is changed.

The water retaining component 3 comprises a first rotating shaft 31 rotatably arranged on the antiskid wheel of the third double-shaft motor, a second rotating shaft 32 rotatably arranged on the antiskid wheel of the fourth double-shaft motor, a first sleeve 33 sleeved on the first rotating shaft, a second sleeve 34 sleeved on the second rotating shaft, a first oil scraping plate 35 with one end fixedly arranged on the first sleeve, a second oil scraping plate 36 with one end fixedly arranged on the second sleeve and rotatably connected with the other end of the first oil scraping plate, a fixed block 37 fixedly arranged on the second sliding seat, a third slot 38 arranged on the fixed block, and a step shaft 39 rotatably arranged at the rotating positions of the first oil scraping plate and the second oil scraping plate; third biax motor and fourth biax motor remove the in-process and make first pivot and second pivot follow to remove together, make first sleeve pipe and second sleeve pipe follow to remove, make first frizing and second frizing use first frizing and second frizing to rotate as the axle center in the department of rotating.

The first double-shaft motor, the second double-shaft motor, the third double-shaft motor, the fourth double-shaft motor, the first motor and the second motor are commercially available.

Claims

1. The utility model provides an automatic cleaning type oil smoke clarifier, includes collection petticoat pipe, oil smoke clarifier, fan, is used for collection petticoat pipe and oil smoke clarifier to be connected and the pipeline that oil smoke clarifier and fan are connected, put into cleaning device, its characterized in that in the pipeline: cleaning device includes walking dolly (1), locates water spray component (2) on the walking dolly front end, locates water retaining component (3) of walking dolly bottom, walking dolly (1) is including first drive wheelset (11) and second drive wheelset (12), first drive wheelset (11) are including cross slide rail (111), first slide (112) of movably locating the slide rail upper end, second slide (113) of movably locating the slide rail lower extreme, third slide (114) of movably locating the slide rail left end, fourth slide (115) of movably locating the slide rail right-hand member, first double-shaft motor (116) of locating on the first slide terminal surface, second double-shaft motor (117) of locating on the second slide terminal surface, third double-shaft motor (118) of locating on the third slide terminal surface, fourth double-shaft motor (119) of locating on the fourth slide terminal surface, One end is fixed and is located on the first slide the other end fixed first gas pole (120) of locating on the first double-shaft motor, one end is fixed and is located on the second slide the other end fixed second gas pole (121) of locating on the second double-shaft motor, one end is fixed and is located on the third slide the other end fixed third gas pole (122) of locating on the third double-shaft motor, one end is fixed and is located on the fourth slide the other end fixed fourth gas pole (123) of locating on the fourth double-shaft motor, a driver part (124) that is used for driving first slide and second slide and third slide and fourth slide to remove, locate a plurality of antiskid wheels (137) on two drive shafts of first double-shaft motor and second double-shaft motor and third double-shaft motor and fourth double-shaft motor respectively.

2. The automatic cleaning type cooking fume purifier as claimed in claim 1, wherein: the driving part (124) comprises a first hollow pipe (125) and a second hollow pipe (126) which are fixedly arranged at the centers of two ends of the sliding rail, a first moving block (127) sleeved on the first hollow pipe, a second moving block (128) sleeved on the second hollow pipe, four first slotted holes (129) which are distributed on the first hollow pipe in an annular mode at equal intervals, four second slotted holes (130) which are distributed on the second hollow pipe in an annular mode at equal intervals, four first rotating rods (131) with one ends rotatably arranged on the first moving block and the other ends rotatably arranged on the first sliding seat, the second sliding seat, the third sliding seat and the fourth sliding seat respectively, four second rotating rods (132) with one ends rotatably arranged on the second moving block and the other ends rotatably arranged on the first sliding seat, the second sliding seat, the third sliding seat and the fourth sliding seat respectively, four first toothed blocks (133) which are fixedly arranged on the first moving block and positioned in the four first slotted holes, The four second tooth blocks (134) are fixedly arranged on the second moving block and located in the four second slotted holes, the screw rods (135) are arranged in the first hollow pipes and the second hollow pipes, and the first motor (136) is used for driving the screw rods to rotate.

3. The automatic cleaning type cooking fume purifier as claimed in claim 1, wherein: the water spray component (2) comprises a fixed disk (21) arranged with the same axis of a first hollow tube, a base (22) arranged at the axis of the fixed disk in a rotating mode, a first gear (23) sleeved on the base, a plurality of second gears (24) which are arranged on the fixed disk in an equidistant annular distribution rotating mode and meshed with the first gear, a second motor (25) used for driving one of the second gears to rotate, a water inlet tank (26) arranged on the base, a plurality of groups of spray head groups (27) arranged on the water inlet tank in an equidistant mode, a first electronic telescopic rod (28) used for driving the water inlet tank to move on the base, and a water inlet pipe (29) arranged at the middle of the water inlet tank, wherein the water inlet pipe is connected with a.

4. The automatic cleaning type cooking fume purifier as claimed in claim 1, wherein: the nozzle group (27) comprises a plurality of lantern rings (271) which are distributed in an equidistant annular mode and are rotatably arranged on the base, and nozzles (272) which are inserted into the lantern rings and are rotatably arranged on the water inlet tank, wherein the water inlet tank is communicated with the nozzles.

5. The automatic cleaning type cooking fume purifier as claimed in claim 1, wherein: the water retaining component (3) comprises a first rotating shaft (31) which is rotatably arranged on a third double-shaft motor anti-skidding wheel, a second rotating shaft (32) which is rotatably arranged on a fourth double-shaft motor anti-skidding wheel, a first sleeve (33) which is sleeved on the first rotating shaft, a second sleeve (34) which is sleeved on the second rotating shaft, a first oil scraping plate (35) of which one end is fixedly arranged on the first sleeve, a second oil scraping plate (36) of which one end is fixedly arranged on the second sleeve and is rotatably connected with the other end of the first oil scraping plate, a fixed block (37) which is fixedly arranged on a second sliding seat, a third slotted hole (38) which is arranged on the fixed block, and a step shaft (39) which is rotatably arranged at the rotating positions of the first oil scraping plate and the second oil scraping plate.