CN112588682A

CN112588682A - Cleaning device

Info

Publication number: CN112588682A
Application number: CN202011489404.3A
Authority: CN
Inventors: 不公告发明人
Original assignee: Wuxi Lead Intelligent Equipment Co Ltd
Current assignee: Wuxi Lead Intelligent Equipment Co Ltd
Priority date: 2020-12-16
Filing date: 2020-12-16
Publication date: 2021-04-02
Anticipated expiration: 2040-12-16

Abstract

The present invention relates to a cleaning device. This belt cleaning device includes: a base plate; the first air knife component is arranged on the first support; the second air knife assembly is arranged on the bottom plate, and the second air knife is arranged on the second support; the first air knife and the second air knife are oppositely arranged, a cleaning channel for a product to be cleaned to pass through along a first direction is formed between the first air knife and the second air knife, and the first air knife and the second air knife are used for spraying a cleaning medium towards the interior of the cleaning channel; the first air knife is rotatable around a first axis which is at an angle with the first direction relative to the first support, and the second air knife is rotatable around a second axis which is at an angle with the first direction relative to the second support.

Description

Cleaning device

Technical Field

The invention relates to the technical field of cleaning, in particular to a cleaning device.

Background

At present, a liquid injection process is required in the preparation process of the lithium battery, and after the liquid injection process is completed, impurities such as electrolyte, dust and the like can be remained on the surface of the battery. The battery after liquid injection needs to be cleaned and dried in order to remove impurities on the surface of the battery.

Generally, the battery is placed on a conveying line, conveyed downstream by the conveying line, and the cleaning device sprays a cleaning medium to the battery during the conveying of the battery along the conveying line, thereby cleaning the battery. However, in the prior art, the cleaning device can only spray the cleaning medium to the battery from two opposite sides of the conveying line, so that two ends of the battery in the conveying direction of the conveying line cannot be covered by the effective spraying range of the cleaning device, the cleaning effect is poor, and the product quality is affected.

Disclosure of Invention

Therefore, it is necessary to provide a cleaning device for improving the above-mentioned defects, in order to solve the problems in the prior art that the effective spraying range of the cleaning device cannot cover both sides of the product in the moving direction, which results in poor cleaning effect and affects the product quality.

A cleaning device, comprising:

a base plate;

the first air knife assembly comprises a first support and a first air knife, the first support is mounted on the bottom plate, and the first air knife is arranged on the first support; and

the second air knife assembly comprises a second support and a second air knife, the second support is mounted on the bottom plate, and the second air knife is arranged on the second support;

the first air knife and the second air knife are oppositely arranged, a cleaning channel for a product to be cleaned to pass through along a first direction is formed between the first air knife and the second air knife, and the first air knife and the second air knife are used for spraying a cleaning medium into the cleaning channel; the first air knife is rotatable relative to the first support around a first axis that is at an angle with the first direction, and the second air knife is rotatable relative to the second support around a second axis that is at an angle with the first direction.

In one embodiment, the first axis is parallel to the second axis and perpendicular to the first direction.

In one embodiment, the first air knife has a first spray slot for spraying a cleaning medium, the first spray slot extending lengthwise in a direction parallel to the first axis;

the second air knife has a second spray slot for spraying cleaning medium, the second spray slot extending lengthwise in a direction parallel to the second axis.

In one embodiment, the first air knife and the second air knife are arranged at intervals along a second direction perpendicular to the first direction;

the cleaning device further comprises a third air knife assembly and a fourth air knife assembly which are arranged on the bottom plate, the third air knife assembly comprises a third air knife, the fourth air knife assembly comprises a fourth air knife, and the third air knife and the fourth air knife are positioned on two sides of the cleaning channel in a third direction and are respectively used for spraying cleaning media towards the inside of the cleaning channel;

wherein the third direction is perpendicular to the first direction and the second direction.

In one embodiment, the cleaning device further includes a first driving assembly, the first driving assembly includes a first rotating shaft and a first driving member, the first rotating shaft is rotatably connected to the bottom plate and is connected to one end of the first air knife, and the first driving member is mounted on the bottom plate and is in transmission connection with the other end of the first rotating shaft.

In one embodiment, the base plate has opposite front and back surfaces, the first and second fan assemblies are located on the front surface of the base plate, and the first driving member is mounted on the back surface of the base plate through a first mounting seat;

the first rotating shaft penetrates through the front face and the back face of the bottom plate, one end, penetrating out of the front face, of the first rotating shaft is connected with the first air knife, and one end, penetrating out of the back face, of the first rotating shaft is in transmission connection with the first driving piece.

In one embodiment, one end of the first driving member, which faces away from the base plate, is provided with a first output shaft, and the first output shaft is in transmission connection with the first rotating shaft.

In one embodiment, the cleaning device further includes a second driving assembly, the second driving assembly includes a second rotating shaft and a second driving member, the second rotating shaft is rotatably connected to the bottom plate and is connected to one end of the second air knife, and the second driving member is mounted on the bottom plate and is in transmission connection with the other end of the second rotating shaft.

In one embodiment, the base plate has opposite front and back surfaces, the first and second fan assemblies are located on the front surface of the base plate, and the second driving member is mounted on the back surface of the base plate through a second mounting seat;

the second rotating shaft rotatably penetrates through the front face and the back face of the bottom plate, one end, penetrating out of the front face, of the second rotating shaft is connected with the second air knife, and one end, penetrating out of the back face, of the second rotating shaft is in transmission connection with the second driving piece.

In one embodiment, the cleaning device further includes a second driving assembly, the second driving assembly includes a second rotating shaft, a gear, a rack, and a driving structure, the second rotating shaft is rotatably disposed with respect to the bottom plate and connected to one end of the second air knife, the gear is sleeved on the second rotating shaft, the rack is movably disposed with respect to the bottom plate and engaged with the gear, and the driving structure is disposed on the bottom plate and detachably connected to the rack.

In one embodiment, the second driving assembly further comprises a mounting seat and a rack fixing seat, the mounting seat is mounted on the bottom plate, the second rotating shaft is rotatably connected to the mounting seat, the rack fixing seat is movably connected to the mounting seat, the rack is mounted on the rack fixing seat 76, and the driving structure is detachably connected with the rack fixing seat.

In one embodiment, the driving structure includes a driving rod movably connected to the bottom plate, one end of the driving rod is detachably connected to the rack fixing seat, and the second driving member is mounted on the bottom plate and is in transmission connection with the driving rod.

In the actual cleaning operation, firstly, the product to be cleaned enters the cleaning channel from the upstream end of the cleaning channel, and the first air knife and the second air knife rotate to the upstream end facing the cleaning channel, so that the sprayed cleaning medium covers the front end of the product to be cleaned, namely the front end of the product to be cleaned is cleaned. Along with waiting to wash the product and continuing to remove along wasing the passageway, first air knife and second air knife rotate along waiting to wash the product removal for first air knife and second air knife are waited to wash the front end of wasing the product and the relative both sides that correspond in proper order. When the product to be cleaned reaches the downstream end of the cleaning channel, the first air knife and the second air knife move along with the product to be cleaned and rotate to the tail end of the product to be cleaned, so that the sprayed cleaning medium covers the tail end of the product to be cleaned, namely the tail end of the product to be cleaned is cleaned. Compared with the prior art, belt cleaning device utilizes first air knife and second air knife to follow and treats that the removal of washing product along wasing the passageway and rotate in this application for first air knife and second air knife treat the front end of washing product in proper order, the both sides that correspond and tail end wash, have avoided treating the unable problem by wasing of front end and the tail end of washing product, have promoted the cleaning performance, are favorable to guaranteeing product quality.

Drawings

FIG. 1 is a schematic structural diagram of a cleaning apparatus according to an embodiment of the present invention;

fig. 2 is a rear view of the cleaning apparatus shown in fig. 1.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Referring to fig. 1 and 2, a cleaning apparatus according to an embodiment of the present invention includes a base plate 10, a first wind knife assembly 20, and a second wind knife assembly 30.

The first wind knife assembly 20 includes a first bracket 21 and a first wind knife 22, the first bracket 21 is mounted on the bottom plate 10, and the first wind knife 22 is disposed on the first bracket 21. The second air knife assembly 30 includes a second bracket 31 and a second air knife 32, the second bracket 31 is mounted on the bottom plate 10, and the second air knife 32 is disposed on the second bracket 31. The first air knife 22 and the second air knife 32 are oppositely arranged, a cleaning channel a for a product to be cleaned to pass through in a first direction is formed between the first air knife 22 and the second air knife 32, and the first air knife 22 and the second air knife 32 are used for spraying a cleaning medium towards the cleaning channel a so as to clean the product to be cleaned in the cleaning channel a. The first air knives 22 are rotatable relative to the first support 21 about a first axis at an angle to the first direction, the second air knives 32 are rotatable relative to the second support 31 about a second axis at an angle to the first direction, so that in the process that the product to be cleaned enters the cleaning channel a from the upstream end of the cleaning channel a and is then output from the downstream end of the cleaning channel a, the coverage of the cleaning medium sprayed by the first air knives 22 and the second air knives 32 covers both sides of the product to be cleaned facing the first air knives 22 and the second air knives 32 respectively, and the coverage of the cleaning medium sprayed by the first air knives 22 and the second air knives 32 can cover the front end and the tail end of the product to be cleaned in the advancing direction by rotating the first air knives 22 and the second air knives 32.

In the actual cleaning operation of the cleaning device, firstly, the product to be cleaned enters the cleaning channel a from the upstream end of the cleaning channel a, and the first air knife 22 and the second air knife 32 rotate to face the upstream end of the cleaning channel a, so that the sprayed cleaning medium covers the front end of the product to be cleaned, that is, the front end of the product to be cleaned is cleaned. As the product to be cleaned continues to move along the cleaning channel a, the first air knife 22 and the second air knife 32 rotate along with the movement of the product to be cleaned, so that the first air knife 22 and the second air knife 32 sequentially clean the front end and the corresponding opposite sides of the product to be cleaned. When the product to be cleaned reaches the downstream end of the cleaning passage a, the first air knife 22 and the second air knife 32 rotate to face the tail end of the product to be cleaned following the movement of the product to be cleaned, so that the ejected cleaning medium covers the tail end of the product to be cleaned, i.e., the tail end of the product to be cleaned is cleaned. Compared with the prior art, belt cleaning device utilizes first air knife 22 and second air knife 32 to follow and treats that the washing product rotates along the removal of washing passageway a in this application for first air knife 22 and second air knife 32 treat the front end of washing product in proper order, the both sides that correspond and tail end wash, have avoided treating the problem that the front end and the tail end of washing product can't be washd, have promoted the cleaning performance, are favorable to guaranteeing product quality.

Preferably, the first axis is parallel to the second axis and perpendicular to the first direction. Further, the first air knife 22 has a first spray slit for spraying the cleaning medium, the first spray slit extending lengthwise in a direction parallel to the first axis. The second air knife 32 has a second spray slit for spraying the cleaning medium, the second spray slit extending lengthwise in a direction parallel to the second axis. Therefore, the spraying range of the first air knife 22 and the second air knife 32 can better cover the front end, the rear end and the corresponding opposite sides of the product to be cleaned, and the cleaning effect is favorably improved.

In a specific embodiment, one end of the first air knife 22 is rotatably connected to the first bracket 21, and is connected to a first rotary joint 23 communicating with the air inlet of the first air knife 22, the first rotary joint 23 is used for communicating with an external cleaning medium conveying pipeline, so that the cleaning medium in the external cleaning medium conveying pipeline enters the air inlet of the first air knife 22 through the first rotary joint 23 and is then ejected out of the first ejection slit of the first air knife 22.

In a specific embodiment, one end of the second air knife 32 is rotatably connected to the second bracket 31, and a second rotary joint 33 is connected to the second air knife 32, the second rotary joint 33 is used for communicating with the external cleaning medium conveying pipe, so that the cleaning medium in the external cleaning medium conveying pipe enters the air inlet of the second air knife 32 through the second rotary joint 33 and is then ejected from the second ejection slit of the second air knife 32.

In the embodiment of the present invention, the first air knives 22 and the second air knives 32 are arranged at intervals in the second direction perpendicular to the first direction. The cleaning device further comprises a third air knife assembly 40 and a fourth air knife assembly 50 which are arranged on the bottom plate 10, wherein the third air knife assembly 40 comprises a third air knife 41, and the fourth air knife assembly 50 comprises a fourth air knife 51. The third air knives 41 and the fourth air knives 51 are positioned at both sides of the washing passage a in a third direction perpendicular to the first direction and the second direction, and are used to spray the washing medium toward the inside of the washing passage a, respectively. Like this, utilize first air knife 22 and second air knife 32 to treat that the both ends terminal surface (being the front end and the tail end) of washing product in the first direction and the both sides side in the second direction wash, utilize third air knife 41 and fourth air knife 51 to treat simultaneously that the both sides side of washing product in the third direction washs, that is to say treat that six surfaces of washing product all clear up for the washing of treating the washing product is more thorough, and the cleaning performance is better.

In some embodiments, the third wind knife assembly 40 further comprises a first mounting rod 42, the first mounting rod 42 is mounted at an end of the first bracket 21 and/or the second bracket 31 away from the base plate 10, and the third wind knife 41 is mounted at the first mounting rod 42. In this way, the third air knife 41 is installed by using the first bracket 21 for installing the first air knife 22 and the second bracket 31 for installing the second air knife 32, so that the structure of the cleaning device is simplified, and the cost of the cleaning device is reduced.

In the embodiment, the first mounting rod 42 has a first input end and a first inlet channel extending along the axial direction of the first mounting rod 42 and penetrating through the first input end, the first input end is communicated with the external cleaning medium conveying pipeline through a third rotary joint 43, and an end of the first inlet channel far from the first input end is communicated with the air inlet of the third air knife 41. In this way, the external cleaning medium supply line supplies the cleaning medium to the first inlet passage through the third rotary joint 43, enters the third air knife 41 through the first inlet passage, and is ejected from the third ejection slit of the third air knife 41 into the cleaning passage a. Further, the spraying direction of the third air knife 41 can be adjusted by rotating the first mounting rod 42, which is beneficial to improving the cleaning effect and the compatibility of the cleaning device.

In some embodiments, the fourth air knife assembly 50 further comprises a second mounting rod 52, the second mounting rod 52 is mounted to the base plate 10, and the fourth air knife 51 is mounted to the second mounting rod 52, so as to mount the fourth air knife 51.

In the embodiment, the second mounting rod 52 has a second input end and a second inlet channel extending along the axial direction of the second mounting rod 52 and penetrating through the second input end, the second input end is communicated with the external cleaning medium conveying pipeline through a fourth rotary joint 53, and an end of the second inlet channel far from the second input end is communicated with the air inlet of the fourth air knife 51. In this way, the external cleaning medium supply line supplies the cleaning medium to the second inlet passage through the fourth rotary joint 53, enters the fourth air knife 51 through the second inlet passage, and is ejected from the fourth ejection slit of the fourth air knife 51 into the cleaning passage a. Further, the spraying direction of the fourth air knife 51 can be adjusted by rotating the second mounting rod 52, which is beneficial to improving the cleaning effect and the compatibility of the cleaning device.

In the embodiment of the present invention, the cleaning apparatus further includes a first driving assembly 60, and the first driving assembly 60 includes a first rotating shaft 61 and a first driving member 62. The first rotating shaft 61 is rotatably connected to the base plate 10 and connected to one end of the first air knife 22 to drive the first air knife 22 to rotate around the first axis. The first driving member 62 is mounted on the base plate 10 and is in transmission connection with the other end of the first rotating shaft 61 to drive the first rotating shaft 61 to rotate. The axis of the first rotating shaft 61 is the first axis. In this way, the first driving member 62 can drive the first rotating shaft 61 to rotate, and further drive the first air knife 22 to rotate around the first axis. Alternatively, the first drive member 62 may be an electric motor. An end of the first air knife 22 remote from the first rotary joint 23 is connected to the first rotary shaft 61.

In some embodiments, the base plate 10 has opposing front and back faces. The first and second

fan blade assemblies

20 and 30 are located on the front surface of the base plate 10, and the first driving member 62 is mounted on the back surface of the base plate 10 through a first mounting seat 63. In the embodiment shown in the figures, the upper surface of the base plate 10 is a front surface, and the lower surface of the base plate 10 is a back surface.

The first rotating shaft 61 penetrates through the front and back of the base plate 10, and one end of the first rotating shaft 61 penetrating through the front is connected with the first air knife 22, and one end of the first rotating shaft 61 penetrating through the back is in transmission connection with the first driving member 62. In this way, the first driving member 62 and the transmission member between the first driving member 62 and the first rotating shaft 61 are disposed on the back surface of the bottom plate 10, which is beneficial to prevent the cleaning medium on the front surface of the bottom plate 10 for cleaning the product to be cleaned from damaging the first driving member 62 and the transmission member between the first driving member 62 and the first rotating shaft 61. It will be appreciated that the third and fourth fan assemblies 40, 50 are also located on the front face of the base plate 10.

In the embodiment, one end of the first driving member 62 away from the base plate 10 has a first output shaft, and the first output shaft is in transmission connection with the first rotating shaft 61, so that the first output shaft of the first driving member 62 rotates to drive the first rotating shaft 61 to rotate. So, when using, the one end that first driving piece 62 has first output shaft is down to drop to first driving piece 62 after having avoided cleaning medium to condense into liquid, and then follow first output shaft and get into first driving piece 62 inside and damage first driving piece 62, improved first driving piece 62's life. Alternatively, the first output shaft and the first rotating shaft 61 may be in transmission connection through a belt transmission structure 64. Of course, in other embodiments, the first output shaft and the first rotating shaft 61 may also be in transmission connection through a gear set, and is not limited herein.

Further, the first driving assembly 60 further includes a first water receiving box 65, and the first water receiving box 65 is mounted on the first mounting seat 63 for receiving the cleaning medium flowing down along the first output shaft of the first driving member 62 and the first rotating shaft 61. It should be noted that the first water receiving box 65 is connected to a first drain pipe, and the first drain pipe is used for draining the cleaning medium in the first water receiving box 65.

Specifically, in the embodiment, the base plate 10 is provided with a first mounting hole penetrating through the front surface and the back surface thereof, a first sealing bearing seat 611 is mounted in the first mounting hole, and the first rotating shaft 61 is mounted on the base plate 10 through the first sealing bearing seat 611. In this way, the first sealing bearing seat 611 is utilized to realize the rotatable installation of the first rotating shaft 61, and simultaneously, the cleaning medium is prevented from flowing along the first rotating shaft 61 to the end of the first rotating shaft 61 that penetrates out of the back surface of the base plate 10, thereby damaging the transmission part between the first rotating shaft 61 and the first output shaft of the first driving member 62.

In an embodiment of the present invention, the cleaning device further includes a second driving assembly, and in this embodiment, the second driving assembly has the same structure as the first driving assembly. That is, the second driving assembly includes a second rotating shaft and a second driving member. The second rotating shaft is rotatably connected to the bottom plate 10 and connected to one end of the second air knife 32 to drive the second air knife 32 to rotate around the second axis. The second driving member is mounted on the bottom plate 10 and is in transmission connection with the other end of the second rotating shaft to drive the second rotating shaft to rotate. The axis of the second rotating shaft is the second axis. Therefore, the second driving member can drive the second rotating shaft to rotate, and further drive the second air knife 32 to rotate around the second axis. Alternatively, the second drive member may be an electric motor. The end of the second air knife 32 remote from the second rotary joint 33 is connected to the second rotary shaft.

In some embodiments, the second driving member is mounted to the back surface of the base plate 10 by a second mounting seat. The second rotating shaft penetrates through the front and back of the bottom plate 10, and one end of the second rotating shaft penetrating through the front is connected with the second air knife 32, and one end of the second rotating shaft penetrating through the back is in transmission connection with the second driving member. In this way, arranging the second driving member and the transmission member between the second driving member and the second rotation shaft at the back of the bottom plate 10 is beneficial to preventing the cleaning medium for cleaning the product to be cleaned at the front of the bottom plate 10 from damaging the second driving member and the transmission member between the second driving member and the second rotation shaft.

In the specific embodiment, one end of the second driving member, which is away from the bottom plate 10, is provided with a second output shaft, and the second output shaft is in transmission connection with the second rotating shaft, so that the second output shaft of the second driving member rotates to drive the second rotating shaft to rotate. So, when using, the one end that the second driving piece has the second output shaft is down to drop to the second driving piece after having avoided the cleaning medium that the air knife erupted to condense into liquid on, then follow the inside and damage second driving piece of second output shaft entering second driving piece, be favorable to having improved the life of second driving piece. Alternatively, the second output shaft and the second rotating shaft can be in transmission connection through a belt transmission structure. Of course, in other embodiments, the second output shaft and the second rotating shaft may also be in transmission connection through a gear set, and are not limited herein.

Furthermore, the second driving assembly further comprises a second water receiving box, and the second water receiving box is mounted on the second mounting seat and used for receiving cleaning media flowing downwards along the second output shaft of the second driving piece and the second rotating shaft. It should be noted that the second water receiving box is connected with a second drain pipe, and the second drain pipe is used for discharging the cleaning medium in the second water receiving box.

In the embodiment, the bottom plate 10 is provided with a second mounting hole penetrating through the front surface and the back surface of the bottom plate, a second sealing bearing seat is mounted in the second mounting hole, and a second rotating shaft is mounted on the bottom plate 10 through the second sealing bearing. In this way, the rotatable mounting of the second rotary shaft is achieved by means of the second sealed bearing shaft, while also avoiding damage to the transmission part between the second rotary shaft and the second output shaft of the second drive element by cleaning medium flowing along the second rotary shaft to the end of the second rotary shaft which penetrates out of the back of the base plate 10.

With continued reference to fig. 1 and fig. 2, it should be noted that the second driving assembly is not limited to the above structure, and in another embodiment, the second driving assembly 70 includes a second rotating shaft 71, a gear 72, a rack 73 and a driving structure 74. The second rotating shaft 71 is rotatably disposed relative to the base plate 10 and connected to one end of the second air knife 32, so as to rotate the second air knife 32 around the second axis. A gear 72 is fitted around the second rotating shaft 71, and a rack 73 is movably disposed with respect to the base plate 10 and engaged with the gear 72. The driving structure 74 is disposed on the bottom plate 10 and detachably connected to the rack 73, so as to drive the rack 73 to move relative to the bottom plate 10, so as to drive the second rotating shaft 71 to rotate under the engagement action of the rack 73 and the gear 72, and further drive the second air knife 32 to rotate around the second axis. It is understood that the axis of rotation of the second shaft is the second axis. In this way, the power of the driving mechanism 74 is transmitted to the second rotating shaft 71 by the gear 72 and the rack 73, and the gear 72 and the rack 73 cannot be damaged by the cleaning medium, so that the sealing structure is simplified, and the cost of the cleaning device is reduced. Alternatively, an end of the second air knife 32 remote from the second rotary joint 33 is connected to the second rotary shaft 71.

In one embodiment, the second driving assembly 70 further includes a mounting seat 75 and a rack fixing seat 76. The mount 75 is mounted to the base plate 10, and the second rotating shaft 71 is rotatably coupled to the mount 75. The rack holder 76 is movably coupled to the mounting seat 75, and the rack 73 is mounted to the rack holder 76. The driving structure 74 is detachably connected with the rack holder 76. In this way, the driving structure 74 drives the rack fixing seat 76 to move, so as to drive the rack 73 to move, and further drive the second rotating shaft 71 to rotate under the meshing action of the rack 73 and the gear 72, and the second rotating shaft 71 drives the second air knife 32 to rotate around the second axis. In addition, the driving structure 74 and the rack fixing seat 76 are detachably connected, so that the position of the second air knife assembly 30 can be conveniently adjusted, and the distance between the first air knife 22 and the second air knife 32 can be adjusted to adapt to products to be cleaned of different specifications, and the compatibility of the cleaning device is improved. For example, when the position of the second air knife assembly 30 needs to be adjusted, the rack fixing seat 76 is separated from the driving structure 74, the second air knife assembly 30 is detached from the base plate 10, then the second air knife assembly 30 is installed on the adjusted position of the base plate 10 again, and finally the rack fixing seat 76 is connected with the driving structure 74, so that the driving structure 74 is prevented from being detached when the position of the second air knife assembly 30 is adjusted, and the time and labor saving effect is achieved. Optionally, a sliding block is fixedly connected to the rack fixing seat 76, a sliding rail is fixedly connected to the mounting seat 75, and the sliding block is slidably connected to the sliding rail, so that the rack fixing seat 76 can move relative to the mounting seat 75.

Further, a stop block is arranged on the bottom plate 10, and the rack 73 can abut against the stop block in the process of moving relative to the bottom plate 10 so as to limit the moving range of the rack 73. Of course, in another embodiment, the rack holder 76 can abut against a stop during the movement of the rack 73 relative to the base plate 10, and can also serve to limit the movement range of the rack 73.

In one embodiment, the driving structure 74 includes a driving rod 741 and a second driving member 742. The driving rod 741 is movably connected to the base plate 10, and one end of the driving rod 741 is detachably connected to the rack holder 76. The second driving member 742 is mounted on the base plate 10 and is in transmission connection with the driving rod 741 to drive the driving rod 741 to move relative to the base plate 10. In this way, the second driving member 742 drives the driving rod 741 to move relative to the bottom plate 10, so as to drive the rack fixing seat 76 and the rack 73 to move relative to the bottom plate 10, and drive the second rotating shaft 71 to rotate under the engagement effect of the rack 73 and the gear 72. Alternatively, the second driver 742 may be a motor. Alternatively, the driving rod 741 may be mounted to the base plate 10 by a linear bearing.

Further, the driving structure 74 further includes a screw rod module 743 installed on the bottom plate 10, the second driving member 742 is in transmission connection with a screw rod of the screw rod module 743, and a screw rod nut of the screw rod module 743 is connected with the driving rod 741 through the driving connection block 744, so that the screw rod nut of the screw rod module 743 drives the driving rod 741 to move relative to the bottom plate 10 through the driving connection block 744. Alternatively, the screw module 743 and the second driving member 742 may be mounted on the back surface of the base plate 10, the driving rod 741 is mounted on the front surface of the base plate 10, and the driving connection block 744 is disposed through the front surface and the back surface of the base plate 10 and is movable relative to the base plate 10. Thus, the screw module 743 and the second driving member 742 are mounted on the back of the base plate 10 to be better protected.

Alternatively, the rack fixing seat 76 may embrace one end of the driving rod 741 through the embracing block 761, so as to realize the detachable connection between the rack fixing seat 76 and the driving rod 741. In this manner, when the position of the second blade assembly 30 needs to be adjusted, the hugging block 761 is released, so that the driving rod 741 and the rack holder 76 are separated, and then the position of the second blade assembly 30 is adjusted. After the adjustment is in place, the holding block 761 is locked, so that the holding block 761 holds the driving rod 741 tightly. Further, the locking and unlocking of the holding block 761 may be achieved by, for example, a threaded lock, etc., without limitation.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A cleaning device, comprising:

a base plate;

2. The cleaning device of claim 1, wherein the first axis is parallel to the second axis and perpendicular to the first direction.

3. The cleaning device of claim 2, wherein the first air knife has a first spray slot for spraying a cleaning medium, the first spray slot extending lengthwise in a direction parallel to the first axis;

4. The cleaning device of claim 1, wherein the first air knife and the second air knife are spaced apart along a second direction perpendicular to the first direction;

5. The cleaning device as claimed in any one of claims 1 to 4, further comprising a first driving assembly, wherein the first driving assembly comprises a first rotating shaft and a first driving member, the first rotating shaft is rotatably connected to the base plate and is connected to one end of the first air knife, and the first driving member is mounted on the base plate and is in transmission connection with the other end of the first rotating shaft.

6. The cleaning device of claim 5, wherein the base plate has opposing front and back faces, the first and second fan assemblies each being located on the front face of the base plate, the first drive member being mounted to the back face of the base plate by a first mounting block;

7. The cleaning device of claim 6, wherein an end of the first driving member facing away from the base plate has a first output shaft, and the first output shaft is in transmission connection with the first rotating shaft.

8. The cleaning device according to any one of claims 1 to 4, further comprising a second driving assembly, wherein the second driving assembly comprises a second rotating shaft, a gear, a rack and a driving structure, the second rotating shaft is rotatably disposed relative to the bottom plate and is connected with one end of the second air knife, the gear is sleeved on the second rotating shaft, the rack is movably disposed relative to the bottom plate and is engaged with the gear, and the driving structure is disposed on the bottom plate and is detachably connected with the rack.

9. The cleaning apparatus defined in claim 8, wherein the second drive assembly further comprises a mounting block and a rack mount, the mounting block being mounted to the base plate, the second rotatable shaft being rotatably coupled to the mounting block, the rack mount being movably coupled to the mounting block, the rack being mounted to the rack mount, the drive structure being detachably coupled to the rack mount.

10. The cleaning device as claimed in claim 9, wherein the driving structure includes a driving rod movably connected to the base plate, and one end of the driving rod is detachably connected to the rack holder, and a second driving member is mounted on the base plate and is in transmission connection with the driving rod.