CN216988928U

CN216988928U - Ultrasonic cleaning machine with centrifugation function that spin-dries

Info

Publication number: CN216988928U
Application number: CN202220471918.4U
Authority: CN
Inventors: 王建国; 陆支果
Original assignee: Shanghai Hehua Machinery Technology Co ltd
Current assignee: Shanghai Hehua Machinery Technology Co ltd
Priority date: 2022-03-07
Filing date: 2022-03-07
Publication date: 2022-07-19
Anticipated expiration: 2032-03-07

Abstract

The utility model discloses an ultrasonic cleaning machine with a centrifugal spin-drying function, belongs to the technical field of ultrasonic cleaning machines, solves the problem that the existing ultrasonic cleaning machine cannot spin-dry in time after cleaning, and has the technical key points that: be provided with on the bottom plate and wash case and spin-dry box, it washs frame and supersonic generator to wash the incasement, it is connected with sharp adjustment mechanism on the frame to wash, it is provided with first rotary mechanism to wash the incasement, it is provided with second rotary mechanism and heat dissipation drying mechanism to wash the incasement to spin-dry, it is provided with rotary driving mechanism to wash the case and spin-dry box outside, sharp adjustment mechanism control washs the frame and goes up and down and remove, the steerable driven rotation group function of rotary driving mechanism function, realize the ultrasonic oscillation spin-cleaning of washing frame in wasing the incasement under the joint group effect, when wasing the frame and getting into the spin-dry incasement, the article in the second rotary mechanism function drive washing frame carry out the operation of spin-drying, heat dissipation drying mechanism carries out drying process, have the advantage that can in time spin-dry after wasing.

Description

Ultrasonic cleaning machine with centrifugation function that spin-dries

Technical Field

The utility model relates to the field of ultrasonic cleaning machines, in particular to an ultrasonic cleaning machine with a centrifugal drying function.

Background

The principle of the ultrasonic cleaning machine is that a high-frequency oscillation signal sent by an ultrasonic generator is converted into high-frequency mechanical oscillation through a transducer and is transmitted into a cleaning solvent, ultrasonic waves are radiated forwards at intervals in a cleaning liquid to enable the liquid to flow to generate tens of thousands of micro-bubbles, and the micro-bubbles in the liquid vibrate under the action of a sound field. These bubbles are formed and grown in a negative pressure region where the ultrasonic wave propagates in the longitudinal direction, and in a positive pressure region, when the sound pressure reaches a certain value, the bubbles rapidly increase and then suddenly close. And when the bubbles are closed, shock waves are generated, thousands of atmospheric pressures are generated around the bubbles, and insoluble dirt is destroyed to be dispersed in the cleaning liquid, so that the aim of cleaning the cleaning piece is fulfilled.

Prior art's ultrasonic cleaner, cleaning member in the washing tank after ultrasonic cleaning, can not directly spin-dry the operation, contact with outside impurity again easily, reduced abluent effect, can't satisfy the in-service use needs.

Therefore, the existing ultrasonic cleaning machine has the defect that the existing ultrasonic cleaning machine cannot be spin-dried in time after cleaning, and is difficult to popularize and apply.

Therefore, it is desirable to provide an ultrasonic cleaning machine having a centrifugal drying function, which aims to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In view of the defects in the prior art, an embodiment of the present invention provides an ultrasonic cleaning machine with a centrifugal drying function to solve the above problems in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme:

an ultrasonic cleaner with a centrifugal spin-drying function comprises a bottom plate, wherein a cleaning box and a spin-drying box are arranged on the bottom plate, a cleaning frame and an ultrasonic generator which are used for cleaning are arranged in the cleaning box, the ultrasonic generator is fixedly installed at the bottom of the cleaning box, a linear adjusting mechanism is connected onto the cleaning frame, a first rotating mechanism is arranged at the joint of the cleaning frame and the cleaning box and comprises a clamping group and a driven rotating group, the clamping group comprises a hanging lug, a hanging hook and a circular ring, the hanging hook is rotatably connected into the cleaning box through a sliding block, a plurality of circular rings are arranged on the hanging hook, the hanging lug is fixedly connected to the outer side of the cleaning frame, a through hole which is matched and connected with the circular ring is formed in the hanging lug, a second rotating mechanism which is used for spin-drying is arranged in the spin-drying box, and rotary driving mechanisms are arranged on the outer sides of the cleaning box and the spin-drying box, the first rotating mechanism and the second rotating mechanism are both connected with the rotary driving mechanism, and the heat dissipation drying mechanism is arranged on one side of the second rotating mechanism.

As a further scheme of the utility model, the linear adjusting mechanism comprises a moving block, a lead screw, a first motor and a multi-stage cylinder, the lead screw is respectively and rotatably connected in the cleaning box and the drying box, the lead screw is fixedly connected with an output shaft of the first motor, the moving block is in threaded connection with the lead screw, the moving block is respectively and slidably connected with the inside of the cleaning box and the inside of the drying box through a sliding block, the moving block is rotatably connected with a mounting seat of the multi-stage cylinder through a bearing, and the cleaning frame is fixedly connected with a piston rod of the multi-stage cylinder.

As a further scheme of the utility model, the driven rotating group comprises a circular rack, a first gear, a first rotating shaft and a second gear, the circular rack is fixedly connected to one side of the hook, the first gear is connected to the circular rack in a meshed manner, the first gear is rotatably connected to the cleaning box through the first rotating shaft, and one end of the first rotating shaft is fixedly connected with the second gear.

As a further scheme of the utility model, the second rotating mechanism comprises a third gear, a second rotating shaft, a third rotating shaft, a rotating disc and positioning pins, the third gear is rotatably connected to the spin drying box through the second rotating shaft, the second rotating shaft is rotatably connected to the third rotating shaft through a bevel gear pair, one end of the third rotating shaft is fixedly connected to the rotating disc, the rotating disc is provided with a plurality of positioning pins, and the cleaning frame is provided with positioning holes for matching and connecting the positioning pins.

As a further scheme of the utility model, the heat dissipation drying mechanism comprises an air heater, spray heads, a dust screen and a connecting box, wherein the dust screen convenient for ventilation and heat dissipation is arranged on the outer side of the drying box, a plurality of spray heads are arranged on one side of the rotary disc, the spray heads are connected with the air heater through pipelines, and the air heater is fixedly arranged on the outer side of the drying box through the connecting box.

As a further scheme of the utility model, the rotary driving mechanism comprises a driving gear, a second motor, a telescopic cylinder and a push plate, wherein the driving gear is respectively meshed with the second gear and the third gear, the driving gear is fixedly connected with an output shaft of the second motor, the second motor is fixedly arranged on the push plate, the push plate is connected to the bottom plate in a sliding mode through a sliding block, the push plate is fixedly connected with a piston rod of the telescopic cylinder, and the telescopic cylinder is fixedly connected to the bottom plate through an installation piece.

As a further scheme of the utility model, the outer side of the bottom of the cleaning box is fixedly communicated with a water inlet pipe and a water outlet pipe, the cleaning box and the drying box are both hinged with box doors, the box doors are provided with observation windows and handles, and the drying box is communicated with the inside of the cleaning box through a communicating pipe.

In summary, compared with the prior art, the embodiment of the utility model has the following beneficial effects:

according to the utility model, the cleaning box and the spin-drying box are arranged on the bottom plate, the cleaning frame and the ultrasonic generator for cleaning are arranged in the cleaning box, the ultrasonic generator is fixedly arranged at the bottom of the cleaning box, the cleaning frame is connected with the linear adjusting mechanism, and the linear adjusting mechanism is convenient for controlling the lifting of the cleaning frame and the movement of the cleaning frame in the cleaning box and the spin-drying box, so that the subsequent cleaning and drying operations are realized.

The cleaning frame is characterized in that a first rotating mechanism is arranged at the joint of the cleaning frame and the cleaning box, the first rotating mechanism comprises a clamping group and a driven rotating group, a second rotating mechanism for spin-drying is arranged in the spin-drying box, a rotary driving mechanism is arranged on the outer sides of the cleaning box and the spin-drying box, the first rotating mechanism and the second rotating mechanism are both connected with the rotary driving mechanism, the driven rotating group in the first rotating mechanism can be operated by the rotary driving mechanism, ultrasonic oscillation rotary cleaning of the cleaning frame in the cleaning box is realized under the action of the clamping group, the cleaning efficiency of articles in the cleaning frame is greatly improved, when the cleaning frame enters the spin-drying box under the action of the linear adjusting mechanism, the second rotating mechanism is operated to drive the articles in the cleaning frame to spin-dry, and good cleaning and drying treatment of the articles in the cleaning frame is realized.

One side of second rotary mechanism is provided with heat dissipation stoving mechanism, and the heat dissipation stoving mechanism that sets up is convenient for carry out heat dissipation stoving operation to the article in the washing frame, has realized the good stoving drying process to the article in the washing frame, possesses the advantage that can in time spin-dry after the washing.

To more clearly illustrate the structural features and effects of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a schematic diagram of an internal cross-sectional structure of an embodiment of the present invention.

Fig. 3 is an enlarged schematic view of a in fig. 2.

Fig. 4 is a schematic rear perspective view of an embodiment of the present invention.

Reference numerals: 1. a base plate; 2. a cleaning tank; 3. a drying box; 4. a moving block; 5. a screw rod; 6. a first motor; 7. a multi-stage cylinder; 8. cleaning the frame; 9. hanging a lug; 10. hooking; 11. a circular ring; 12. a circular rack; 13. an ultrasonic generator; 14. a first gear; 15. a first rotating shaft; 16. a second gear; 17. a driving gear; 18. a second motor; 19. a telescopic cylinder; 20. a third gear; 21. a second rotating shaft; 22. a bevel gear pair; 23. a third rotating shaft; 24. a turntable; 25. positioning pins; 26. positioning holes; 27. a communicating pipe; 28. a hot air blower; 29. a spray head; 30. a dust screen; 31. a connecting box; 32. a box door; 33. an observation window; 34. a push plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Specific implementations of the present invention are described in detail below with reference to specific embodiments.

Example 1

Referring to fig. 1, 2 and 4, an ultrasonic cleaning machine with a centrifugal spin-drying function comprises a bottom plate 1, a cleaning box 2 and a spin-drying box 3 are arranged on the bottom plate 1, a cleaning frame 8 and an ultrasonic generator 13 which are used for cleaning are arranged in the cleaning box 2, the ultrasonic generator 13 is fixedly mounted at the bottom of the cleaning box 2, a linear adjusting mechanism is connected on the cleaning frame 8, a first rotating mechanism is arranged at the joint of the cleaning frame 8 and the cleaning box 2 and comprises a clamping group and a driven rotating group, the clamping group comprises a hanging lug 9, a hanging hook 10 and a circular ring 11, the hanging hook 10 is rotatably connected inside the cleaning box 2 through a sliding block, a plurality of circular rings 11 are arranged on the hanging hook 10, the hanging lug 9 is fixedly connected to the outer side of the cleaning frame 8, a through hole which is connected with the circular rings 11 in a matching manner is formed in the hanging lug 9, the outer sides of the cleaning box 2 and the spin drying box 3 are provided with rotary driving mechanisms, and the first rotary mechanisms are connected with the rotary driving mechanisms.

Further, the straight line adjustment mechanism comprises a moving block 4, a lead screw 5, a first motor 6 and a multistage cylinder 7, wherein the lead screw 5 is respectively connected in the cleaning box 2 and the spin-drying box 3 in a rotating manner, the lead screw 5 is fixedly connected with an output shaft of the first motor 6, the moving block 4 is in threaded connection with the lead screw 5, the moving block 4 is respectively in sliding connection with the inside of the cleaning box 2 and the inside of the spin-drying box 3 through a sliding block, the moving block 4 is rotatably connected with a mounting seat of the multistage cylinder 7 through a bearing, and the cleaning frame 8 is fixedly connected with a piston rod of the multistage cylinder 7.

Further, driven rotatory group includes circular rack 12, first gear 14, first pivot 15 and second gear 16, circular rack 12 fixed connection is in one side of couple 10, the meshing is connected with first gear 14 on the circular rack 12, first gear 14 rotates through first pivot 15 and connects on wasing case 2, the one end fixedly connected with second gear 16 of first pivot 15.

Further, the rotary driving mechanism comprises a driving gear 17, a second motor 18, a telescopic cylinder 19 and a push plate 34, wherein the driving gear 17 is meshed with a second gear 16 and a third gear 20 respectively, the driving gear 17 is fixedly connected with an output shaft of the second motor 18, the second motor 18 is fixedly installed on the push plate 34, the push plate 34 is connected to the bottom plate 1 through a sliding block in a sliding mode, the push plate 34 is fixedly connected with a piston rod of the telescopic cylinder 19, and the telescopic cylinder 19 is fixedly connected to the bottom plate 1 through an installation part.

Further, the fixed intercommunication in the bottom outside of wasing case 2 has inlet tube and outlet pipe, it has chamber door 32 all to articulate on case 2 and the spin-dry box 3 to wash, be provided with observation window 33 and handle on the chamber door 32.

Preferably, be convenient for inject a certain amount of water into wasing case 2 through the inlet tube that washs the 2 outsides of case, open chamber door 32, be convenient for place the article that will treat the washing on wasing frame 8, multistage cylinder 7 functions and orders about hangers 9 that washs the 8 outsides of frame and articulate on the ring 11 of couple 10, and supersonic generator 13 functions and carries out ultrasonic vibration washing.

Preferably, telescopic cylinder 19 operates and orders about push pedal 34 and removes, make the driving gear 17 on the push pedal 34 be in with second gear 16 engaged with position, second motor 18 operates this moment and orders about driving gear 17 rotatory, it is rotatory to order about first pivot 15 on the second gear 16 under gear connection's relation, first pivot 15 drives first gear 14 rotatory, thereby it is rotatory to drive couple 10 on the circular rack 12, under hangers 9 and ring 11's clamping effect, it rotates the washing to realize washing frame 8 drive article, the cleaning efficiency of article in the washing frame 8 has been promoted greatly.

Example 2

Referring to fig. 1 to 4, an ultrasonic cleaning machine with a centrifugal spin-drying function comprises a base plate 1, wherein a cleaning box 2 and a spin-drying box 3 are arranged on the base plate 1, a cleaning frame 8 and an ultrasonic generator 13 which are used for cleaning are arranged in the cleaning box 2, a second rotating mechanism which is used for spin-drying is arranged in the spin-drying box 3, rotary driving mechanisms are arranged on the outer sides of the cleaning box 2 and the spin-drying box 3, the second rotating mechanism is connected with the rotary driving mechanisms, and a heat dissipation drying mechanism is arranged on one side of the second rotating mechanism.

Further, second rotary mechanism includes third gear 20, second pivot 21, third pivot 23, carousel 24 and locating pin 25, third gear 20 rotates through second pivot 21 to be connected on spin-drying box 3, second pivot 21 rotates through bevel gear pair 22 and is connected with third pivot 23, the one end fixedly connected with carousel 24 of third pivot 23, be provided with a plurality of locating pin 25 on the carousel 24, set up the locating hole 26 that is used for the cooperation to connect locating pin 25 on the washing frame 8.

Further, heat dissipation stoving mechanism includes air heater 28, shower nozzle 29, dust screen 30 and connecting box 31, the dust screen 30 of being convenient for ventilate heat dissipation is seted up in the outside of spin-dry box 3, one side of carousel 24 is provided with a plurality of shower nozzle 29, shower nozzle 29 has air heater 28 through the pipe connection, air heater 28 passes through connecting box 31 fixed mounting in the outside of spin-dry box 3, spin-dry box 3 is linked together through communicating pipe 27 and the inside of wasing case 2.

Preferably, after the cleaning is finished, the multistage cylinder 7 drives the cleaning frame 8 to ascend, the first motor 6 drives the screw rod 5 to rotate through operation, the moving block 4 is driven to drive the cleaning frame 8 to move into the spin drying box 3 under the threaded connection relationship, and then the multistage cylinder 7 extends to drive the positioning holes 26 in the cleaning frame 8 to be in positioning clamping connection with the positioning pins 25 of the turntable 24.

Preferably, the telescopic cylinder 19 operates to drive the driving gear 17 to move, so that the driving gear 17 and the third gear 20 are located at a position where they are engaged with each other, and at this time, the second motor 18 operates to drive the driving gear 17 to rotate, and drive the second rotating shaft 21 on the third gear 20 to rotate under the geared relationship, and the second rotating shaft 21 drives the rotating disc 24 on the third rotating shaft 23 to rotate under the geared relationship of the bevel gear pair 22, and drives the cleaning frame 8 to drive the object to perform the spin-drying operation under the coupled relationship of the positioning pin 25 and the positioning hole 26.

Preferably, the hot air blower 28 operates to generate hot air to be sprayed from the spray head 29 for drying operation, so as to achieve good drying treatment of the object.

Preferably, the dust screen 30 is arranged to facilitate ventilation and heat dissipation, and the communicating pipe 27 is arranged to facilitate the introduction of water thrown out of the spin drying box 3 into the washing box 2, so as to realize the recycling of water resources.

The rest of the structure of this example is the same as example 1.

The working principle of the utility model is as follows: a certain amount of water is conveniently injected into the cleaning box 2 through a water inlet pipe on the outer side of the cleaning box 2, the box door 32 is opened, objects to be cleaned are conveniently placed on the cleaning frame 8, the multi-stage cylinder 7 operates to drive the hanging lug 9 on the outer side of the cleaning frame 8 to be hung on the circular ring 11 of the hanging hook 10, the ultrasonic generator 13 operates to carry out ultrasonic oscillation cleaning, the telescopic cylinder 19 operates to drive the push plate 34 to move, the driving gear 17 on the push plate 34 is enabled to be positioned at a position meshed with the second gear 16, at the moment, the second motor 18 operates to drive the driving gear 17 to rotate, the first rotating shaft 15 on the second gear 16 is driven to rotate under the gear connection relationship, the first rotating shaft 15 drives the first gear 14 to rotate, and the hook 10 on the circular rack 12 is driven to rotate, under the clamping action of the hanging lugs 9 and the circular rings 11, the cleaning frame 8 drives the object to rotate for cleaning, so that the cleaning efficiency of the object in the cleaning frame 8 is greatly improved; after the cleaning, the multi-stage cylinder 7 drives the cleaning frame 8 to ascend, the first motor 6 operates to drive the screw 5 to rotate, the moving block 4 drives the cleaning frame 8 to move into the spin-drying box 3 under the threaded connection relationship, then the multi-stage cylinder 7 extends to drive the positioning hole 26 on the cleaning frame 8 to be positioned and clamped on the positioning pin 25 of the rotary table 24, the telescopic cylinder 19 operates to drive the driving gear 17 to move, so that the driving gear 17 and the third gear 20 are in the engaged position, at the same time, the second motor 18 operates to drive the driving gear 17 to rotate, the second rotating shaft 21 on the third gear 20 rotates under the gear connection relationship, the second rotating shaft 21 drives the rotary table 24 on the third rotating shaft 23 to rotate under the connection relationship of the bevel gear pair 22, the cleaning frame 8 drives the object to carry out the spin-drying operation under the connection relationship of the positioning pin 25 and the positioning hole 26, and the hot air fan 28 operates to generate hot air to be sprayed out from the spray nozzle 29 for carrying out the drying operation, good drying treatment of objects is achieved, the dust screen 30 is convenient for ventilation and heat dissipation treatment, the communicating pipe 27 is convenient for leading water thrown out from the spin drying box 3 into the cleaning box 2, and recycling of water resources is achieved.

It should be noted that, all the components in the present application are general standard components or components known to those skilled in the art, which effectively solve the problem that the existing ultrasonic cleaning machine cannot be spin-dried in time after cleaning.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides an ultrasonic cleaner with centrifugation spin-dry function, includes bottom plate (1), its characterized in that, be provided with on bottom plate (1) and wash case (2) and spin-dry case (3), it is used for abluent washing frame (8) and supersonic generator (13) to be provided with in washing case (2), supersonic generator (13) fixed mounting is in the bottom of wasing case (2), be connected with sharp adjustment mechanism on wasing frame (8), it is provided with first rotary mechanism to wash the junction in frame (8) and the washing case (2), first rotary mechanism includes joint group and driven rotation group, joint group includes hangers (9), couple (10) and ring (11), couple (10) rotate through the slider and connect in the inside of wasing case (2), be provided with a plurality of ring (11) on couple (10), hangers (9) fixed connection is in the outside of wasing frame (8), set up the through-hole of being connected with ring (11) cooperation on hangers (9), it is provided with the second rotary mechanism that is used for spin-drying in dry box (3), the outside of wasing case (2) and spin-dry box (3) is provided with rotary driving mechanism, first rotary mechanism and second rotary mechanism all are connected with rotary driving mechanism, one side of second rotary mechanism is provided with heat dissipation stoving mechanism.

2. The ultrasonic cleaning machine with the centrifugal drying function according to claim 1, wherein the linear adjusting mechanism comprises a moving block (4), a lead screw (5), a first motor (6) and a multi-stage cylinder (7), the lead screw (5) is respectively and rotatably connected in the cleaning box (2) and the drying box (3), the lead screw (5) is fixedly connected with an output shaft of the first motor (6), the moving block (4) is in threaded connection with the lead screw (5), the moving block (4) is respectively and slidably connected in the cleaning box (2) and the drying box (3) through a sliding block, a mounting seat of the multi-stage cylinder (7) is rotatably connected to the moving block (4) through a bearing, and a piston rod of the multi-stage cylinder (7) is fixedly connected to the cleaning frame (8).

3. The ultrasonic cleaning machine with the centrifugal drying function according to claim 2, wherein the driven rotating set comprises a circular rack (12), a first gear (14), a first rotating shaft (15) and a second gear (16), the circular rack (12) is fixedly connected to one side of the hook (10), the first gear (14) is connected to the circular rack (12) in a meshed manner, the first gear (14) is rotatably connected to the cleaning box (2) through the first rotating shaft (15), and one end of the first rotating shaft (15) is fixedly connected to the second gear (16).

4. The ultrasonic cleaning machine with the centrifugal drying function according to claim 3, wherein the second rotating mechanism comprises a third gear (20), a second rotating shaft (21), a third rotating shaft (23), a rotating disc (24) and a positioning pin (25), the third gear (20) is rotatably connected to the drying box (3) through the second rotating shaft (21), the second rotating shaft (21) is rotatably connected to the third rotating shaft (23) through a bevel gear pair (22), one end of the third rotating shaft (23) is fixedly connected to the rotating disc (24), the rotating disc (24) is provided with a plurality of positioning pins (25), and the cleaning frame (8) is provided with positioning holes (26) for being matched and connected with the positioning pins (25).

5. The ultrasonic cleaning machine with the centrifugal drying function according to claim 4, wherein the heat-dissipating drying mechanism comprises an air heater (28), spray heads (29), a dust screen (30) and a connecting box (31), the dust screen (30) convenient for ventilation and heat dissipation is arranged on the outer side of the drying box (3), a plurality of spray heads (29) are arranged on one side of the rotary disc (24), the spray heads (29) are connected with the air heater (28) through pipelines, and the air heater (28) is fixedly installed on the outer side of the drying box (3) through the connecting box (31).

6. The ultrasonic cleaning machine with the centrifugal drying function according to claim 5, wherein the rotary driving mechanism comprises a driving gear (17), a second motor (18), a telescopic cylinder (19) and a push plate (34), the driving gear (17) is meshed with the second gear (16) and the third gear (20) respectively, the driving gear (17) is fixedly connected with an output shaft of the second motor (18), the second motor (18) is fixedly installed on the push plate (34), the push plate (34) is connected to the bottom plate (1) in a sliding mode through a sliding block, the push plate (34) is fixedly connected with a piston rod of the telescopic cylinder (19), and the telescopic cylinder (19) is fixedly connected to the bottom plate (1) through a mounting piece.

7. The ultrasonic cleaning machine with the centrifugal drying function according to claim 1, wherein a water inlet pipe and a water outlet pipe are fixedly communicated with the outer side of the bottom of the cleaning box (2), a box door (32) is hinged to each of the cleaning box (2) and the drying box (3), an observation window (33) and a handle are arranged on the box door (32), and the drying box (3) is communicated with the inside of the cleaning box (2) through a communicating pipe (27).