Glass cleaning device

Abstract

The invention discloses a glass cleaning device which comprises a rack, a conveying mechanism and an air supply mechanism, and the conveying mechanism is arranged on the rack and used for conveying glass plates; the air supply mechanism comprises a fan assembly and an air knife assembly, the fan assembly comprises a fan, and the fan is provided with a first air outlet; the air knife assembly comprises air knives, and the air knives and the fans are arranged in a one-to-one correspondence mode. The air knife is provided with an air cavity, an air inlet and a second air outlet, and the air inlet and the first air outlet are correspondingly arranged and connected; the air inlet communicates with the air cavity and guides airflow to enter the air cavity, and the second air outlet communicates with the air cavity and guides airflow in the air cavity to be blown to the conveying end face of the conveying mechanism. The air knives and the draught fans are arranged in a one-to-one correspondence mode, the output power of the draught fans can be flexibly adjusted according to the glass cleaning working conditions, and the energy utilization rate is increased; meanwhile, the air speed of the air knife at the second air outlet is increased, so that the blow-drying efficiency of the glass plate is improved, and the energy consumption of the fan is reduced.

Description

Technical Field

[0001] The present invention relates to the field of post-processing equipment for glass processing, and particularly to a glass cleaning device. Background Art

[0002] Currently, glass cleaning is an essential processing step before glass tempering, and a glass cleaning machine is a dedicated device for glass cleaning. Specifically, a glass cleaning machine generally includes a loading table, a transmission system, a roller brush washing area, a spray rinsing area, an air knife drying system, and an electric control system, etc. In traditional cleaning machines, 4 - 6 groups of air knives are arranged horizontally and obliquely, and 1 or 2 centrifugal fans are installed with corresponding numbers of nozzles at the fan outlets, and hoses are used to connect the nozzles to each air knife to form an air knife drying system.

[0003] However, during actual operation, since one fan corresponds to multiple air knives, and the glass drying requires a certain air speed at the air knife outlets, in this configuration combination, the fan not only needs to provide a large air volume but also maintain a certain pressure. Therefore, the power of the fan in this combination form will vary according to the actual number of pipes, and the power of a single fan during operation is mostly in the range of 18.5kW - 45kW. Such high-power operation not only means large energy consumption but also makes the fan operate at a high load for a long time, and at the same time results in a high noise level of the fan at the work site.

[0004] Meanwhile, the connection method from the fan outlet to each air knife uses hoses, and this connection method will generate a large resistance during the air flow transmission process. According to the principle of fluid mechanics, when the air flow flows in the hose, due to factors such as the friction of the pipe wall and the bending of the hose, a large amount of energy loss will occur. Summary of the Invention

[0005] In order to overcome at least one of the above-mentioned defects of the prior art, the present invention provides a glass cleaning device, which avoids the waste of electric energy caused by the mismatch between the fan power and the actual demand by configuring the air knives and the fans in one-to-one correspondence, and correspondingly setting and connecting the air inlet of the air knife with the first air outlet of the fan.

[0006] The technical solution adopted by the present invention to solve its problems is:

[0007] A glass cleaning device, comprising:

[0008] A frame;

[0009] A conveying mechanism, arranged on the frame, and the conveying mechanism is used for conveying glass sheets;

[0010] The air supply mechanism includes a fan assembly and an air knife assembly. The fan assembly includes a fan which has a first air outlet. The air knife assembly includes an air knife, and the air knives are arranged in one-to-one correspondence with the fans. The air knife is provided with an air cavity, an air inlet and a second air outlet. The air inlet is correspondingly arranged and connected with the first air outlet. The air inlet is communicated with the air cavity to guide air flow into the air cavity, and the second air outlet is communicated with the air cavity to guide the air flow in the air cavity to blow towards the conveying end face of the conveying mechanism.

[0011] Further, the air knife assembly includes a first air knife and a second air knife. The first air knife is arranged above the conveying mechanism, and the second air knife is arranged below the conveying mechanism.

[0012] Further, the fan assembly includes a first fan and a second fan. The first fan is communicated with the first air knife, and the second fan is communicated with the second air knife.

[0013] Further, the air knife includes an arc section and two inclined sections. The two inclined sections are symmetrically arranged at both ends of the arc section. The two inclined sections gradually approach each other from the end close to the arc section to the end far from the arc section, and a second air outlet is formed at an interval between the ends of the two inclined sections. The arc section and the two inclined sections jointly enclose to form the air cavity.

[0014] Further, the fan is arranged at the side of the conveying mechanism, and the air inlet is arranged at the end of the air knife along the length direction. The air inlet is arranged opposite to and connected with the first air outlet.

[0015] Further, the conveying mechanism includes a first driving member and a plurality of conveying rollers arranged at intervals. Both ends of the conveying rollers are rotatably connected to both sides of the frame respectively. The first driving member includes a motor and a driving shaft. The driving shaft is connected to one end of the conveying roller, and the motor is used to drive the driving shaft to rotate.

[0016] Further, an air supply channel is formed at an interval between two adjacent conveying rollers. The air supply channel is used to guide the high-speed air flow below the conveying mechanism to the conveying end face of the conveying mechanism.

[0017] Further, the fan assembly further includes a mounting seat, and the fan is mounted on the mounting seat. The fan includes a second driving member, an impeller and a mounting shell. The impeller is mounted in the mounting shell, and the second driving member is used to drive the impeller to rotate. A wind guiding channel is formed in the mounting shell, and the first air outlet is arranged at the end of the wind guiding channel.

[0018] Further, the impeller includes a hub and a plurality of blades disposed on the hub, and the plurality of blades are arranged at equal intervals along the circumferential direction of the hub; the blades are three-dimensional flow blades.

[0019] Further, it includes a sensor, which is used to detect the conveying condition of the glass sheet and generate an electrical signal, and the fan assembly adjusts the wind speed according to the electrical signal.

[0020] In summary, a glass cleaning device provided by the present invention has the following technical effects:

[0021] 1) In this application, by configuring the air knives and the fans in one-to-one correspondence, the fan can adjust the output power according to the glass cleaning conditions such as the width of the glass plate surface and the length of the cleaning roller path, avoiding the waste of electric energy caused by the mismatch between the fan power and the actual demand. At the same time, since only one fan is required to supply the air volume of one air knife, a plurality of fans with smaller power can be used in the glass cleaning device, and the wind speed at the second air outlet of the air knife can be increased, so as to improve the drying efficiency of the glass sheet and reduce the total energy consumption of the entire device.

[0022] 2) Since this application selects a small-power fan 30 that is more suitable for the working requirements of a single air knife, the noise generated during the operation of the fan 30 is relatively small, avoiding the strong superposition of various noises when multiple air knives share one fan 30, thereby effectively reducing the overall noise level.

[0023] 3) In this application, by correspondingly arranging and connecting the air inlet of the air knife with the first air outlet of the fan, the setting of the connecting pipeline is eliminated, and the pipeline resistance is eliminated. In this way, the pressure generated by the fan can be more efficiently transmitted to the air knife, enabling the air knife to make effective work by making the most of the fan pressure. Description of the Drawings

[0024] Figure 1 is a schematic structural diagram of the glass cleaning device according to an embodiment of the present invention;

[0025] Figure 2 is Figure 1 a partial enlarged view of part A in

[0026] Among them, the meanings of the reference numerals are as follows:

[0027] 10, frame; 20, conveying mechanism; 30, fan; 31, first air outlet; 32, mounting seat; 33, second driving member; 40, first air knife; 41, second air knife; 42, arc section; 43, inclined section; 44, air cavity; 45, second air outlet; 50, glass sheet. Detailed Embodiments

[0028] For better understanding and implementation, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0029] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present invention.

[0030] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those of ordinary skill in the technical field to which the present invention belongs. The terms used in the description of the present invention herein are only for the purpose of describing specific embodiments and are not intended to limit the present invention.

[0031] Referring to Figure 1 , the present invention discloses a glass cleaning device, which includes a frame 10, a conveying mechanism 20 and a blowing mechanism. Among them, the conveying mechanism 20 is arranged on the frame 10, and the conveying mechanism 20 is used to convey glass plates 50; the blowing mechanism includes a fan assembly and an air knife assembly. Specifically, the fan assembly includes a fan 30, and the fan 30 has a first air outlet 31; the air knife assembly includes an air knife, and the air knife is arranged in one-to-one correspondence with the fan 30.

[0032] Among them, the air knife is provided with an air cavity 44, an air inlet and a second air outlet 45. The air inlet is correspondingly arranged and connected with the first air outlet 31; at the same time, the air inlet is communicated with the air cavity 44 and guides the air flow into the air cavity 44, and the second air outlet 45 is communicated with the air cavity 44 and guides the air flow in the air cavity 44 to blow towards the conveying end face of the conveying mechanism 20.

[0033] On the basis of this structure, when using the glass cleaning device of the present invention, first place the glass plate 50 on the conveying mechanism 20, start the conveying mechanism 20, and the conveying mechanism 20 starts to operate and drives the glass plate 50 to move forward along a predetermined conveying path.

[0034] Then, start the blower 30 of the blower assembly. The air flow generated by the operation of the blower 30 blows out from the first air outlet 31 of the blower 30. Since the air inlet of the air knife assembly is correspondingly arranged and communicated with the first air outlet 31, the air flow blown out from the first air outlet 31 enters the air inlet of the air knife assembly. The air flow entering the air inlet then enters the air cavity 44 of the air knife. After a certain pressure distribution is formed in the air cavity 44, it is blown out from the second air outlet 45 of the air knife at a high speed and blows towards the conveying end surface of the conveying mechanism 20, and the conveying end surface is the plane position where the glass sheet 50 is located. When the glass sheet 50 is conveyed past the position where the air knife assembly is located, the high-speed air flow impacts the glass surface, blowing impurities such as water stains and dust on the glass surface away from the glass surface.

[0035] Among them, the air knives are correspondingly configured with the blowers 30 one by one. During the operation of the device, the blower 30 can adjust the output power according to the glass cleaning conditions such as the width of the glass plate surface and the length of the cleaning roller table. When cleaning glass with a smaller plate width or a shorter cleaning roller table, a blower 30 with a smaller power can be selected to be connected to the air knife, or fewer air knives can be selected. When cleaning glass with a larger plate width or a longer cleaning roller table, a blower 30 with a larger power can be selected to be connected to the air knife, or more air knives can be selected. In this way, by flexibly adjusting the output power of the blower 30 and the number of air knives used, the waste of electric energy caused by the mismatch between the blower power and the number of air knives and the actual demand can be avoided, and the energy utilization rate can be improved.

[0036] It should be noted that in the air knife drying system of a traditional glass cleaning machine, a configuration method of one blower 30 corresponding to multiple air knives is adopted. In order to meet the air volume requirements for multiple air knives to work simultaneously, the total air volume that the blower 30 needs to provide is relatively large, and the total air volume will increase as the number of air knives increases. At the same time, in order to provide a certain air pressure, the blower 30 needs to consume a very large power to maintain operation to meet the working requirements of the entire air knife drying system.

[0037] However, in this application, by correspondingly configuring the air knives with the blowers 30 one by one, the air volume that the blower 30 needs to provide is the air volume of each air knife, that is, the air volume that the blower 30 needs to provide is significantly reduced; at this time, when the blower 30 maintains the same pressure, the work done to overcome air resistance and the like is significantly reduced. Thus, the reduction in air volume and the reduction in the work done to overcome air resistance directly lead to a significant reduction in the required supporting power of the blower 30. This means that under the new low air volume requirements, if the original power configuration is still used, a large amount of power will not be effectively utilized.

[0038] Therefore, part of the power originally used to provide a large flow rate of air volume can be transferred to increasing the pressure of the blower 30. The increase in pressure helps to increase the wind speed, enabling the air to be blown out of the air knife more quickly, thereby increasing the wind speed of the air knife at the second air outlet. The higher wind speed can dry the glass more quickly, thus improving the drying efficiency of the glass sheet 50, and further reducing the number of air knives required.

[0039] It should be noted that even when multiple blowers 30 are used in the configuration of this application, the total power is still less than the power of a single blower in the traditional configuration. This is because the configuration of this application optimizes the matching between the blower 30 and the air knife, enabling each blower 30 to operate within a more reasonable power range, which can not only meet the actual requirements of the air knife for air volume and pressure but also avoid the power waste caused by the blower 30 simultaneously meeting the requirements of multiple air knives in the traditional configuration, thus achieving lower power consumption as a whole.

[0040] In addition, since a small-power blower 30 that is more suitable for the working requirements of a single air knife is selected, the noise generated during the operation of the blower 30 is relatively small, avoiding the strong superposition of various noises when multiple air knives share a single blower 30, thereby effectively reducing the overall noise level. When multiple such small-power blowers 30 operate simultaneously, the noise environment of the entire workshop can also be maintained within a relatively comfortable and standard-compliant range, creating a good working environment for the operators. At the same time, once a problem occurs with a certain air knife or blower 30, it is also convenient to quickly locate the fault point, and due to the relatively independent installation of the components, the disassembly and replacement operations are more convenient, reducing the maintenance difficulty and cost.

[0041] Furthermore, the air inlet of the air knife is correspondingly arranged and connected to the first air outlet 31 of the blower 30, eliminating the need for connecting pipelines and removing the pipeline resistance. In this way, the pressure generated by the blower 30 can be transmitted to the air knife more efficiently, enabling the air knife to make effective use of the pressure of the blower 30 to the maximum extent, such as blowing out a high-speed air flow more powerfully to dry the water stains on the glass surface and blowing off impurities such as dust remaining on the glass surface more effectively, effectively improving the overall working efficiency of the glass cleaning device.

[0042] Among them, the type of the blower can be a high-speed axial-flow blower 30 or a high-speed centrifugal blower 30.

[0043] Furthermore, the air knife assembly includes a first air knife 40 and a second air knife 41. Among them, the first air knife 40 is arranged above the conveying mechanism 20, and the second air knife 41 is arranged below the conveying mechanism 20.

[0044] Based on this structure, during assembly, both ends of the first air knife 40 and the second air knife 41 can be connected to both sides of the frame 10 through brackets, and the main body of the first air knife 40 is located above the conveying mechanism 20, while the main body of the second air knife 41 is located below the conveying mechanism 20.

[0045] During use, since the air knives and the blowers 30 are arranged in one-to-one correspondence, the air flow generated by each blower 30 will enter the corresponding air knife respectively. For the first air knife 40 arranged above the conveying mechanism 20, the air flow enters the air cavity 44 from its air inlet, and then blows out downward at high speed from the second air outlet 45, directly acting on the upper surface of the glass sheet 50. At the same time, for the second air knife 41 arranged below the conveying mechanism 20, the air flow also enters its air cavity 44 and blows upward from the upper second air outlet 45 to the conveying end surface of the conveying mechanism 20, and acts on the lower surface of the glass sheet 50.

[0046] Thus, during the continuous movement of the glass sheet 50, the combination of multiple blowers 30 and air knives can process a large area of the glass sheet 50 simultaneously. Through the coordinated operation of the first air knife 40 and the second air knife 41, drying, cleaning and other treatment operations are carried out on the upper and lower surfaces of the glass sheet 50 at the same time, which can ensure that the entire surface of the glass sheet 50 can be effectively cleaned and dried, avoiding the situation that only one side is treated while the other side has residual stains affecting the quality of the glass, and greatly improving the thoroughness and comprehensiveness of glass cleaning. Compared with the setting of a single blower 30 and air knife, the drying and cleaning operations of the whole piece of glass can be completed in a shorter time, significantly improving the cleaning efficiency.

[0047] Furthermore, the blower assembly includes a first blower 30 and a second blower 30. Among them, the first blower 30 is communicated with the first air knife 40, and the second blower 30 is communicated with the second air knife 41.

[0048] Thus, by setting two blowers 30 corresponding to two air knives, the air flow on the upper and lower surfaces of the glass sheet 50 can be independently controlled respectively, meeting the different cleaning and drying requirements of the upper and lower surfaces of the glass, and avoiding the situation that one side may be over-cleaned or dried while the other side is under-cleaned or dried due to unified adjustment.

[0049] Similarly, independent control can also be achieved in terms of air pressure. Different glass materials and thicknesses have different bearing capacities for air pressure. For thinner glass, when cleaning its lower surface, a lower air pressure may be required to prevent the air flow from blowing the glass off the conveying mechanism 20 or causing damage to the glass surface. At this time, it can be achieved by reducing the air pressure of the second blower 30 without affecting the normal air pressure operation of the first blower 30 on the upper surface of the glass, so that the air pressure parameters of the upper and lower surfaces can be flexibly adjusted according to the specific characteristics and actual needs of the glass, ensuring the safety and efficiency of the cleaning process.

[0050] Further, referring to Figure 2 , the air knife includes an arc section 42 and two inclined sections 43. Specifically, the two inclined sections 43 are symmetrically arranged at both ends of the arc section 42, and the two inclined sections 43 gradually approach each other from the end close to the arc section 42 to the end far from the arc section 42, and a second air outlet 45 is formed at an interval between the ends of the two inclined sections 43. Among them, the arc section 42 and the two inclined sections 43 jointly enclose an air cavity 44.

[0051] On the basis of this structure, when the fan 30 is started, the air flow enters the air cavity 44 formed by jointly enclosing the arc section 42 and the two inclined sections 43 through the air inlet of the air knife. The air flow quickly fills the air cavity 44 and forms a certain pressure distribution. Due to the special shape of the air cavity 44, the air flow will produce a turning and converging effect at the arc section 42, and the pressure gradually increases and is evenly distributed.

[0052] Then, the air flow flows along the inclined section 43 towards the end, and finally sprays out at a high speed from the second air outlet 45 formed at an interval between the ends of the two inclined sections 43. In the glass cleaning device, when the glass sheet 50 moves under or above the air knife on the conveying mechanism 20, the high-speed air flow sprayed out from the second air outlet 45 impacts the glass surface to blow dry the glass and clean impurities, etc.

[0053] Among them, the arc section 42 can guide the air flow entering the air cavity 44 to produce turning and a certain degree of convergence, making the air flow more concentrated in the air cavity 44. When the air flow flows towards the inclined section 43 and finally sprays out from the second air outlet 45, due to the fact that the inclined sections 43 on both sides of the air cavity 44 gradually approach each other, it further compresses and accelerates the air flow. This concentrated and accelerated air flow has a stronger impact force and can more effectively blow off the firmly attached dust, water stains and other impurities on the glass surface, improving the cleaning effect.

[0054] In addition, the ends of the two inclined sections 43 form the second air outlet 45 at the same interval, and the air flow can maintain a relatively uniform distribution in the transverse direction when spraying out from the second air outlet 45. During the glass cleaning process, the uniform air flow distribution can ensure that all parts of the glass surface can be affected by a relatively consistent air flow, avoiding the situation of excessive or insufficient local cleaning.

[0055] Further, the fan 30 is arranged on the side of the conveying mechanism 20, and the air inlet is arranged at the end of the air knife along the length direction, wherein the air inlet is arranged opposite to and connected with the first air outlet 31.

[0056] Specifically, an air inlet is provided at the end of the air knife close to the air blower 30 in the length direction. The end of the air knife away from the air inlet is a sealing part. The second air outlet 45 is located on one side of the air knife in the radial direction, and the second air outlet 45 extends along the length direction of the air knife.

[0057] Based on this structure, during assembly, the air inlet of the air knife is correspondingly arranged with the first air outlet 31 of the air blower 30. Specifically, the positive projections of the air inlet and the first air outlet 31 in the first direction overlap each other, and the first direction is perpendicular to the conveying direction of the conveying mechanism 20. Among them, a first connecting flange is provided on the outer periphery of the first air outlet 31 of the air blower 30, and a second connecting flange is provided at one end of the air knife at the air inlet. When connecting the air inlet and the first air outlet 31, the first connecting flange can be aligned with the second connecting flange and then connected by fasteners such as screws and bolts. And a sealing ring is provided at the connection between the first connecting flange and the second connecting flange. The sealing ring is squeezed by the first connecting flange and the second connecting flange to seal the connection between the two.

[0058] Thus, through the corresponding setting and connection of the air inlet and the first air outlet 31, the high-speed air flow generated by the air blower 30 can enter the air knife more smoothly, reducing the noise generated by the complex interaction of the air flow with the edge and internal structure of the air knife.

[0059] In addition, in this application, by arranging the air blower 30 on the side of the conveying mechanism 20, the situation of setting a wide bracket on the top of the device to place the air blower 30 is avoided. In this way, in the horizontal direction, the overall width of the device can be basically determined by the width of the conveying mechanism 20 (such as a roller path), greatly reducing the floor area of the device and effectively improving the space utilization rate of the production site.

[0060] Further, the conveying mechanism 20 includes a first driving member and a plurality of conveying rollers arranged at intervals. Specifically, both ends of the conveying roller are rotatably connected to both sides of the frame 10 respectively. Among them, the first driving member includes a motor and a driving shaft, and the driving shaft is connected to one end of the conveying roller. The motor is used to drive the driving shaft to rotate.

[0061] Based on this structure, when using the conveying mechanism 20, first start the motor in the first driving member, and the motor starts to operate. The rotational power of the motor is transmitted through the driving shaft connected thereto. Since the driving shaft is connected to one end of the conveying roller, the driving shaft will drive the connected conveying roller to start rotating.

[0062] At this time, the conveying rollers continuously rotate under the drive of the motor and the drive shaft. Since the two ends of the conveying rollers are respectively rotatably connected to both sides of the frame 10, the conveying rollers can rotate around their own axes. When the glass sheet 50 placed on the conveying rollers contacts the surface of the rotating conveying rollers, it will be subjected to the frictional force brought by the rotation of the conveying rollers. Driven by this frictional force, the glass sheet 50 begins to move along the arrangement direction of the conveying rollers, thereby realizing the stable conveyance of the glass sheet 50 on the conveying mechanism 20 and enabling it to pass through each functional area (such as cleaning, drying, etc.) in the cleaning device in sequence.

[0063] Thus, multiple spaced-apart conveying rollers provide a stable support structure for the glass sheet 50. They are evenly distributed below the glass sheet 50, enabling all parts of the glass to be evenly supported during conveyance, and avoiding situations such as the glass tilting, shaking, or breaking due to uneven local stress.

[0064] Furthermore, an air supply channel is formed by the interval between two adjacent conveying rollers, and the air supply channel is used to guide the high-speed airflow below the conveying mechanism 20 to the conveying end surface of the conveying mechanism 20.

[0065] Thus, when the air knife located below the conveying mechanism 20 is operating, the air supply channel can guide the high-speed airflow blown out by the air knife below the conveying mechanism to the conveying end surface, and the guided high-speed airflow can directly act on the lower surface of the glass sheet 50. Cooperating with the air knife assembly above, it realizes a more comprehensive and efficient drying operation for the upper and lower surfaces of the glass sheet 50, improving the overall drying effect of the cleaning machine.

[0066] At the same time, using the air supply channel to guide the airflow can optimize the distribution of the airflow, avoid the disorderly diffusion of the airflow, make the airflow act more concentratedly on the glass sheet 50, improve the energy utilization efficiency, and contribute to improving the performance of the cleaning machine and reducing energy consumption.

[0067] Furthermore, the fan assembly further includes a mounting seat 32, and the fan 30 is mounted on the mounting seat 32. Among them, the fan 30 includes a second driving member 33, an impeller, and a mounting shell. Specifically, the impeller is mounted inside the mounting shell, and the second driving member 33 is used to drive the impeller to rotate. In addition, a wind guiding channel is formed inside the mounting shell, and the first air outlet 31 is arranged at the end of the wind guiding channel.

[0068] Based on this structure, during installation, the mounting seat 32 can be mounted on the frame 10, or the mounting seat 32 can be mounted on other platforms on the side of the frame 10, and the first air outlet 31 is correspondingly arranged with the air inlet of the air knife. Then, the air inlet and the first air outlet 31 are connected using an interface or a connecting pipe.

[0069] During use, first start the second driving member 33. After receiving the start signal, the second driving member 33 starts to operate. The second driving member 33 is a motor. After the motor is powered on, it starts to rotate, and the power generated is transmitted to the impeller, causing the impeller to start rotating at high speed within the installation shell.

[0070] Among them, during the high-speed rotation of the impeller, a strong force is exerted on the surrounding air, causing the air to be drawn in and accelerated. Driven by the impeller, the air flows along the air guiding channel within the installation shell. The air guiding channel can guide and organize the air flow to a certain extent, making the air flow move more orderly towards the first air outlet 31.

[0071] Finally, the air flow is discharged from the first air outlet 31, enters the air inlet of the air knife assembly through an interface or a connecting pipe, and then forms a high-speed air flow within the air knife and is blown out from the second air outlet 45, acting on the surface of the glass sheet 50 on the conveying mechanism 20 to achieve functions such as drying and cleaning.

[0072] Thus, driven by the second driving member 33, the impeller rotates at high speed, and its blades generate centrifugal force on the air, causing the air to be quickly thrown out, thereby forming a low-pressure area within the installation shell. The surrounding air is continuously drawn in and accelerated under the action of the pressure difference, and finally generates an air flow with a certain pressure and speed. This method can continuously and stably provide the required air flow source for glass cleaning. Whether it is for drying the water stains on the glass surface or blowing away dust and impurities, a stable and strong enough air flow is required to ensure the cleaning effect.

[0073] Furthermore, the impeller includes a hub and a plurality of blades arranged on the hub, and the plurality of blades are arranged at equal intervals along the circumferential direction of the hub. Among them, the blades are three-dimensional flow blades.

[0074] Among them, when the impeller rotates, the air flow is simultaneously affected by the axial and radial forces of the impeller. Therefore, the actual speed of the air flow finally formed by the impeller is the resultant speed of the air flow speeds in these two directions. According to the principle of fluid mechanics, when the cross-sectional area of the air outlet of the impeller remains constant, the greater the actual speed of the air flow, the greater the air volume derived by the impeller. It can be understood that the circumferential speeds of the radial flow channels of the impeller are different at different radii, and the circumferential speed at the periphery far from the center of the impeller is the largest, forming a distribution law where the outlet pressure increases with the increase of the radius.

[0075] If the impeller uses binary straight blades, serious air flow separation will occur at both the center and the edges far from the center of its flow channel, resulting in unstable air flow in the flow channel. The air flow separation will cause the radial pressure distribution in the impeller to become uneven; specifically, in the tip region, due to the high air flow velocity and large angle of attack, the centrifugal force generated is also large, making the pressure in this region relatively high. The increase in the outlet pressure in the tip region will hinder the smooth discharge of the air flow, exacerbate the streamline deviation, and thus lead to a reduction in the air volume guided by the impeller.

[0076] Therefore, this application adopts the three-dimensional flow blades in the prior art. The blades present a three-dimensional twisted structure, so that the air flow can gradually adjust its direction when passing through the radial flow channel of the impeller, reduce the streamline deviation, make the radial pressure distribution of the blades more uniform, and it is not easy to generate serious air flow separation at both the center and the edges far from the center of its flow channel, thereby enabling the air flow to be discharged more smoothly and increasing the air volume.

[0077] Furthermore, the glass cleaning device further includes a sensor, and the sensor is used to detect the conveying condition of the glass sheet 50 and generate an electrical signal. Among them, the fan assembly adjusts the wind speed according to the electrical signal.

[0078] Specifically, first install the sensor in a suitable position. For example, it can be installed on the frame 10, between the conveying rollers or near the inlet of the air knife assembly to ensure that the conveying condition of the glass sheet 50 can be accurately detected.

[0079] When the glass cleaning device starts to operate and the glass sheet 50 is placed on the conveying mechanism 20 and starts to move, the sensor monitors the conveying condition of the glass sheet 50 in real time. For example, if an optoelectronic sensor is used, when the glass sheet 50 blocks or passes through the sensing area of the sensor, the sensor will generate a corresponding electrical signal according to the change of the optical signal, and this electrical signal contains the position information and speed information of the glass sheet 50.

[0080] After the electrical signal generated by the sensor is transmitted to the control system of the fan assembly, the control system will analyze and process the electrical signal. If it is judged according to the electrical signal that the conveying speed of the glass sheet 50 is relatively fast, in order to ensure that the glass surface is fully dried and cleaned within a limited time, the control system will instruct the fan assembly to increase the wind speed; on the contrary, if the conveying speed of the glass sheet 50 is slow, the fan assembly can appropriately reduce the wind speed to avoid damage to the glass caused by excessive air flow impact or waste of energy.

[0081] Thus, when the conveying speed of the glass sheet 50 is slow, reducing the wind speed of the fan 30 can reduce the energy consumption of the fan 30. In the long-term glass cleaning operation, this way of dynamically adjusting the wind speed according to actual needs can save a large amount of electric energy and reduce the production cost.

[0082] Meanwhile, the automatic collaborative operation of the sensor and the fan assembly makes the operation of the glass cleaning device more intelligent and automated. There is no need for manual frequent observation of the conveying situation of the glass sheet 50 and manual adjustment of the parameters of the fan 30, reducing the possibility of human operation errors and improving the stability and consistency of the production process.

[0083] In summary, in the present invention, since the fan 30 is paired with the air knife separately, although the number of fans 30 increases, the power of a single fan 30 is much smaller than that of the fan 30 arranged in the traditional structure. Moreover, since the increase in the outlet air velocity of the air knife reduces the number of air knives, the power demand of the entire system is further optimized, thereby significantly reducing the total installed power.

[0084] This not only reduces the energy consumption cost of the equipment, but also in large-scale production, the energy-saving effect accumulated by numerous cleaning devices will be very remarkable. Moreover, it also reduces other negative impacts such as noise during the operation of the equipment, improving the overall performance and economy of the equipment.

[0085] The technical means disclosed in the solution of the present invention are not limited to the technical means disclosed in the above embodiments, but also include technical solutions composed of any combination of the above technical features. It should be noted that for those of ordinary skill in the art in this technical field, without departing from the principle of the present invention, several improvements and refinements can be made, and these improvements and refinements are also regarded as the protection scope of the present invention.

Claims

1. A glass cleaning device, characterized in that: include, frame; A conveying mechanism, disposed on the frame, and used for conveying glass plates; The air supply mechanism includes a fan assembly and a wind knife assembly, wherein the fan assembly includes a fan, and the fan has a first air outlet; the wind knife assembly includes a wind knife, and the wind knife is configured one-to-one with the fan; the wind knife is provided with an air cavity, an air inlet and a second air outlet, and the air inlet is correspondingly arranged and connected to the first air outlet; the air inlet is connected to the air cavity and guides the airflow into the air cavity, and the second air outlet is connected to the air cavity and guides the airflow in the air cavity to blow toward the conveying end face of the conveying mechanism.

2. The glass cleaning device according to claim 1, characterized in that: The wind knife assembly includes a first wind knife and a second wind knife, the first wind knife is arranged above the conveying mechanism, and the second wind knife is arranged below the conveying mechanism.

3. The glass cleaning device according to claim 2, characterized in that: The fan assembly includes a first fan and a second fan, the first fan is connected to the first wind knife, and the second fan is connected to the second wind knife.

4. The glass cleaning device according to claim 1, characterized in that: The wind knife includes an arc segment and two inclined segments, and the two inclined segments are symmetrically arranged at both ends of the arc segment; the two inclined segments gradually approach each other from one end close to the arc segment to the end far away from the arc segment, and the second air outlet is formed between the ends of the two inclined segments; the arc segment and the two inclined segments are jointly arranged to form the wind cavity.

5. The glass cleaning device according to claim 4, characterized in that: The fan is arranged on the side of the conveying mechanism, the air inlet is arranged at the end of the wind knife along the length direction, and the air inlet is arranged opposite to and connected to the first air outlet.

6. The glass cleaning device according to claim 1, characterized in that: The conveying mechanism includes a first driving member and a plurality of conveying rollers arranged at intervals, and the two ends of the conveying rollers are rotatably connected to the two sides of the frame respectively; the first driving member includes a motor and a driving shaft, the driving shaft is connected to one end of the conveying roller, and the motor is used to drive the driving shaft to rotate.

7. The glass cleaning device according to claim 6, characterized in that: An air supply channel is formed between two adjacent conveying rollers, and the air supply channel is used to guide the high-speed airflow below the conveying mechanism to the conveying end surface of the conveying mechanism.

8. The glass cleaning device according to claim 1, characterized in that: The fan assembly also includes a mounting seat, and the fan is installed on the mounting seat; the fan includes a second driving member, an impeller and a mounting shell, the impeller is installed in the mounting shell, and the second driving member is used to drive the impeller to rotate; an air guide channel is formed in the mounting shell, and the first air outlet is arranged at the end of the air guide channel.

9. The glass cleaning device according to claim 8, characterized in that: The impeller comprises a hub and a plurality of blades arranged on the hub, wherein the plurality of blades are arranged at equal intervals along the circumferential direction of the hub; and the blades are three-dimensional flow blades.

10. The glass cleaning device according to any one of claims 1 to 9, characterized in that: The system comprises a sensor, wherein the sensor is used to detect the conveying condition of the glass sheet and generate an electrical signal, and the fan component adjusts the wind speed according to the electrical signal.

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