Air knife dust removal equipment for glass detection

Abstract

The utility model discloses air knife dust removal equipment for glass detection, which comprises a rack, a conveying device is arranged above the rack, and the conveying device is used for conveying glass plates among different processing stations; the two ends of the air knife are installed on the machine frame through a fixing support, the air knife is arranged above the glass plate in a crossing mode, and the air knife is used for blowing linear air to the glass plate; the air source device is arranged below the rack and used for providing airflow for the air knife; and the control device is arranged on one side of the transmission device, is electrically connected with the air source device and is used for controlling the air flow pressure. High-speed airflow is blown out through the air knife, dust on the surface of a glass plate is blown away, direct contact with the surface of the glass plate is avoided, glass cannot be scratched, the dust removal effect is better, and the production cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to glass detection technical field, especially relate to a wind knife dust removal equipment for glass detection. BACKGROUND

[0002] Glass is a kind of common transparent material, is widely used in daily life and industrial production. Especially in the field such as building glass, display screen, solar glass, the cleanliness of glass surface directly influences subsequent quality detection and application effect. In order to guarantee that glass surface is dust-free, has no stain, guarantees its definition in the detection process, dust removal becomes the vital link.

[0003] At present, glass detection device generally uses traditional manual dust removal mode. Manual cleaning is cleaned by using brush and the like tool to glass surface, and then sweeps dust.

[0004] However, manual cleaning is not only time-consuming and laborious, but also has the problems of scratch and damage to glass surface and secondary pollution. UTILITY MODEL CONTENTS

[0005] The utility model discloses a kind of wind knife dust removal equipment for glass detection, to solve the problem of time-consuming and laborious, damage to glass surface and secondary pollution.

[0006] To achieve the above-mentioned purpose, the utility model provides a kind of wind knife dust removal equipment for glass detection, the wind knife dust removal equipment for glass detection includes:

[0007] Frame, transmission device is equipped on the frame top, the transmission device is used to transmit glass plate between different processing stations;

[0008] Air knife, both ends of the air knife are installed on the frame by fixed support, the air knife is transversely arranged above the glass plate, the air knife is used to blow linear wind to the glass plate;

[0009] Air source device, set in the frame below, for providing airflow to the air knife;

[0010] Control device, set in one side of the transmission device, with the air source device electric connection, for controlling the airflow pressure.

[0011] Preferably, the air knife includes:

[0012] Air knife body, a plurality of air inlets are arranged along the length direction of the air knife body, an air outlet is arranged at one end of the air knife body away from the air inlets along the length direction, a first airflow cavity and a second airflow cavity are arranged in the air knife body, the first airflow cavity is communicated with the air inlets, and the second airflow cavity is communicated with the air outlet.

[0013] Preferably, the air knife body comprises:

[0014] a first air knife plate and a second air knife plate, the first air knife plate and the second air knife plate being connected by threads;

[0015] the air inlet is arranged on the first air knife plate;

[0016] the first air knife plate and the second air knife plate cooperate to form the air outlet at the end away from the air inlet.

[0017] Preferably, a first groove and a second groove are arranged in the first air knife plate, the first groove being in communication with the air inlet, and the second groove being in communication with the air outlet.

[0018] the first groove and the second air knife plate cooperate to form the first airflow cavity;

[0019] the second groove and the second air knife plate cooperate to form the second airflow cavity.

[0020] Preferably, the distance between the second groove and the second air knife plate is smaller than the distance between the first groove and the second air knife plate.

[0021] Preferably, the distance between the second air knife plate and the first air knife plate at the air outlet is 0.2-1.5mm.

[0022] Preferably, the distance between the groove surface of the second groove and the inner side of the second air knife plate is 1-2.5mm.

[0023] Preferably, the second air knife plate is provided with a baffle outside the air outlet.

[0024] Preferably, a first drainage groove is arranged in the first groove at the position corresponding to the air inlet; the first drainage groove is in communication with the air inlet.

[0025] Preferably, a threaded hole is arranged in the first air knife plate at the position between the air inlets along the length direction.

[0026] In this invention, a high-speed airflow is blown away from the glass surface by an air knife, without direct contact with the glass surface, thus avoiding scratches. Compared to traditional brush dust removal devices, it eliminates the need for regular cleaning and brush replacement, saving time and reducing production costs. A dust extraction device can also be installed on the air knife dust removal mechanism to absorb dust blown to the edges by the air knife, achieving the desired dust removal effect. Furthermore, by setting two airflow chambers of different sizes, the internal gas flow channel has a bend, which buffers the incoming airflow, ensuring the uniformity and velocity of the airflow at the outlet. The outlet is opened along the length of the air knife body, resulting in a high-speed and linear airflow, providing more complete coverage of the glass surface and achieving a better drying effect. Attached Figure Description

[0027] Figure 1 This is a schematic diagram of the overall structure of an air knife dust removal device for glass inspection in one embodiment of the present invention;

[0028] Figure 2 This is a schematic diagram of the air knife structure in one embodiment of the present invention;

[0029] Figure 3 This is a schematic cross-sectional view of the air inlet of the air knife in one embodiment of the present invention;

[0030] Figure 4 This is a schematic diagram of the first air blade structure in one embodiment of the present invention;

[0031] Figure 5 This is a schematic cross-sectional view of the air inlet of the first air knife plate in one embodiment of the present invention;

[0032] Figure 6 This is a schematic diagram of the second air blade structure in one embodiment of the present invention;

[0033] Figure 7 This is a schematic cross-sectional view of the threaded connection between the first air knife plate and the second air knife plate in one embodiment of the present invention.

[0034] In the attached diagram: 100-frame, 200-transmission device, 300-glass plate, 400-air knife, 500-air source device, 600-control device, 410-air knife body, 420-first air knife plate, 430-second air knife plate, 440-drainage groove, 450-threaded hole, 411-air inlet, 412-air outlet, 413-first airflow chamber, 414-second airflow chamber, 421-first groove, 422-second groove. Detailed Implementation

[0035] The schemes in the embodiments of the present application will be described in detail below with reference to the drawings of the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts fall within the scope of the present application.

[0036] It should be noted that all directional indications, such as upper, lower, left, right, front, back, etc., in the embodiments of the present application are only used to explain the relative positional relationship, movement condition, etc. between components in a certain posture (as shown in the drawings), and if the certain posture changes, the directional indications also change accordingly.

[0037] It should also be noted that when an element is referred to as being "fixed to" or "set on" another element, it can be directly on the other element or can have a middle element. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or can have a middle element.

[0038] In addition, the description of "first", "second", etc. in the present application is only for the purpose of description, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one of the features. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of a person skilled in the art, and when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope required by the present application.

[0039] The utility model provides a kind of wind knife dust removal equipment for glass detection, it is mainly applied to glass detection.

[0040] Referring to Figure 1 As shown in the utility model embodiment, the wind knife dust removal equipment for glass detection includes:

[0041] rack 100, transmission device 200 is equipped on the rack 100, and the transmission device 200 is used to transmit glass plate 300 between different processing stations;

[0042] wind knife 400, the both ends of the wind knife 400 are installed on the rack 100 by fixed support, the wind knife 400 is transversely arranged above the glass plate 300, and the wind knife 400 is used to blow linear wind to the glass plate 300;

[0043] The air source device 500 is arranged below the rack 100 and is configured to provide air flow to the air knife 400.

[0044] The control device 600 is arranged on one side of the conveying device 200 and is electrically connected to the air source device 500, and is configured to control the air flow pressure.

[0045] In this embodiment, the rack 100 is the basic support structure of the entire device, and is configured to fix and mount the core components such as the conveying device 200, the air source device 500, and the control device 600.

[0046] In this embodiment, the conveying device 200 is arranged on the surface of the rack 100, and is configured to convey the glass plate 300 along a predetermined path and ensure that the glass plate 300 can enter the blowing area in sequence.

[0047] In this embodiment, the air knife 400 is arranged directly above the conveying device 200, and is configured to blow linear high-speed air on the glass plate 300 to clean dust and the like on the glass plate 300.

[0048] In this embodiment, the air source device 500 is arranged below the rack 100, and is connected to the air knife 400 through a high-pressure gas pipeline, and is configured to provide high-pressure air flow to the air knife 400.

[0049] In this embodiment, the control device 600 is arranged on one side of the conveying device 200 and is connected to the air source device 500 through a cable, and is configured to start, stop, and adjust the air pressure of the air source device 500, so as to control the air outlet speed of the air knife 400.

[0050] Referring to FIGS. 1 to 4, Figure 2 and Figure 3 In one embodiment, the air knife 400 includes:

[0051] The air knife body 410 is provided with a plurality of air inlets 411 along the length direction, and is provided with an air outlet 412 at one end away from the air inlets 411 along the length direction, and is provided with a first air flow cavity 413 and a second air flow cavity 414 inside, the first air flow cavity 413 is in communication with the air inlets 411, and the second air flow cavity 414 is in communication with the air outlet 412.

[0052] In the embodiment, the air inlet 411 opened along the length direction of the air knife body 410 is connected with the air source device 500, so that the air flow is more dispersed when entering the air knife 400, and the number of the air inlets 411 can be determined according to the overall size of the glass plate 300. After the air flow enters the air knife body 410 from the plurality of air inlets 411, the air flow sequentially passes through the first air flow cavity 413 and the second air flow cavity 414, and is discharged from the air outlet 412, so that the air flow is linearly and high-speed sprayed, and the dust removal effect on the surface of the glass plate 300 is realized, and the air knife 400 can also be used for air drying. The first air flow cavity 413 can make the air flow entering the air inlet 411 more dispersed and more uniformly enter the second air flow cavity 414, so as to ensure the uniformity and continuity of the air flow of the air outlet 412. The air outlet 412 is opened along the length direction of the air knife body 410, so that the air flow is high-speed and linearly sprayed, and the coverage of the surface of the glass plate 300 with dust removed is more complete, and a better dust removal effect is achieved.

[0053] Referring to Figure 2 and Figure 3 In an embodiment, the air knife body 410 includes a first air knife plate 420 and a second air knife plate 430, and the first air knife plate 420 and the second air knife plate 430 are connected by threads.

[0054] The air inlet 411 is arranged on the first air knife plate 420.

[0055] The first air knife plate 420 and the second air knife plate 430 cooperatively form the air outlet 412 at the end away from the air inlet 411.

[0056] In the embodiment, the first air knife plate 420 and the second air knife plate 430 can be made of UPVC (Unplasticized Polyvinyl Chloride), and the first air knife plate 420 and the second air knife plate 430 are combined to facilitate the opening of the internal flow channel and cavity, and the structure is detachable, which is convenient for daily management and maintenance. The first air knife plate 420 and the second air knife plate 430 are close to each other at one end of the air outlet 412 to form a slit for the gas to flow out, so that the gas is further accelerated to increase the speed of the sprayed air flow.

[0057] Referring to Figure 4 and Figure 5 In an embodiment, a first groove 421 and a second groove 422 are arranged in the first air knife plate 420, the first groove 421 is in communication with the air inlet 411, and the second groove 422 is in communication with the air outlet 412.

[0058] The first groove 421 and the second air knife plate 430 cooperatively form the first air flow cavity 413.

[0059] The second groove 422 and the second air knife plate 430 cooperatively form the second air flow cavity 414.

[0060] In the embodiment, the first airflow cavity 413 is connected with the plurality of air inlets 411 to receive high-pressure airflow from the air compressor; the airflow is fully mixed and homogenized before entering the second airflow cavity 414 through the first airflow cavity 413. The second airflow cavity 414 is in communication with the air outlet 412 to ensure that the airflow is linearly injected at the air outlet 412 after being compressed.

[0061] In the embodiment, the first airflow cavity 413 and the second airflow cavity 414 are in flow communication, the first groove 421 is connected with the air inlet 411, when the airflow enters the first airflow cavity 413 through the air inlet 411, it is uniformly distributed into the second airflow cavity 414 after being mixed and filled, and in the second airflow cavity 414, the airflow is compressed to form a preliminary linear airflow. The airflow is further compressed at the air outlet 412, and finally, the airflow is injected at high speed from the air outlet 412 to form a linear air curtain, effectively blowing off the dust on the surface of the glass plate 300.

[0062] In the embodiment, a gasket can be arranged between the first air knife plate 420 and the second air knife plate 430, and the gasket can be made of Teflon. The gasket not only increases the stability and sealing property of the connection between the first air knife plate 420 and the second air knife plate 430, but also fills the irregularities in production; when the width of the air outlet 412 needs to be adjusted, gaskets with different thicknesses can be arranged to adapt to different needs, and the volume of the flow channel and the cavity can also be adjusted by arranging gaskets with different thicknesses; it is convenient for producing a batch of air knives to adapt to different needs.

[0063] In an embodiment, the distance between the second groove 422 and the second air knife plate 430 is less than the distance between the first groove 421 and the second air knife plate 430.

[0064] In the embodiment, the distance between the second groove 422 and the second air knife plate 430 is less than the distance between the first groove 421 and the second air knife plate 430, so that the space of the first airflow cavity 413 is larger, the storage time of the airflow in the first airflow cavity 413 is increased, and the airflow is more uniform; the space of the second airflow cavity 414 is smaller, and the compression of the airflow is formed by the small volume of the cavity itself.

[0065] In an embodiment, the distance between the second air knife plate 430 and the first air knife plate 420 to form the air outlet 412 is 0.2-1.5mm.

[0066] In the embodiment, the air outlet 412 is formed by the cooperation of the second air knife plate 430 and the first air knife plate 420, so the distance between the second air knife plate 430 and the first air knife plate 420 is the width of the air outlet 412, which can adjust the airflow speed and flow.

[0067] In an embodiment, the distance between the groove surface of the second groove 422 and the inner side of the second air knife plate 430 is 1-2.5mm.

[0068] In the embodiment, the distance between the groove face of the second groove 422 and the inner side of the second air knife plate 430 is adjusted according to actual requirements, thereby adjusting the size of the second air flow cavity 414 and changing the air outlet velocity.

[0069] In an embodiment, the second air knife plate 430 is provided with a baffle outside the air outlet 412.

[0070] In the embodiment, the part of the second air knife plate 430 away from the end of the air inlet 411 forms the air outlet 412 with the first air knife plate 420, and the part of the second air knife plate 430 beyond the first air knife plate 420 forms the baffle, so that the air flow from the air outlet 412 flows towards the second air knife plate 430.

[0071] Referring to Figure 4 In an embodiment, the first groove 421 is provided with a flow guide groove 440 at the position corresponding to the air inlet 411; the flow guide groove 440 is in communication with the air inlet 411.

[0072] In the embodiment, the flow guide groove 440 is provided in the first groove 421 at the position corresponding to the air inlet 411, and the flow guide groove 440 is in communication with the air inlet 411, so that the air flow at the air inlet 411 is not blocked and slowed down by the first groove 421, and the air flow fully enters the first air flow cavity 413.

[0073] Referring to Figure 6 and Figure 7 In an embodiment, the first air knife plate 420 is provided with a threaded hole 450 at the position between the air inlets 411 along the length direction.

[0074] In the embodiment, the first air knife plate 420 and the second air knife plate 430 are threadedly connected, the first air knife plate 420 is provided with the threaded hole 450 at the position between the air inlets 411 along the length direction, the bolt passes through the threaded hole 450 to connect the first air knife plate 420 and the second air knife plate 430, and the first air knife plate 420 and the second air knife plate 430 are convenient to disassemble. The threaded hole 450 is arranged between the air inlets 411, and does not affect the air flow entering. The threaded hole 450 effectively prevents the problems of linear reduction and uniformity reduction of the air flow caused by the bolt passing through the gas flow channel in the prior art. The bolt is made of titanium or PEEK.

[0075] The above description is only some or preferred embodiments of the utility model, and neither the text nor the drawings can limit the scope of protection of the utility model. Any equivalent structural transformation or direct / indirect application in other related technical fields based on the contents of the utility model specification and drawings is included in the scope of protection of the utility model.

Claims

1. A dust removal device using an air knife for glass inspection, characterized in that, include: A frame, with a conveying device on top of the frame, the conveying device being used to transfer glass plates between different processing stations; An air knife, the two ends of which are mounted on the frame by fixed brackets, the air knife spans across the glass plate and is used to blow linear air onto the glass plate; An air source device, located below the frame, is used to provide airflow to the air knife; A control device, located on one side of the transmission device and electrically connected to the air source device, is used to control the pressure of the airflow; The air knife includes: The air knife body has several air inlets along its length and an air outlet along its length at the end away from the air inlets. The air knife body has a first airflow chamber and a second airflow chamber inside, with the first airflow chamber communicating with the air inlets and the second airflow chamber communicating with the air outlet. The air knife body includes: The first air knife plate and the second air knife plate are connected by threads; The air inlet is located on the first air blade; The first air blade and the second air blade cooperate to form the air outlet at the ends away from the air inlet, and a gasket is also provided between the first air blade and the second air blade. The width of the air outlet is adjusted by using gaskets of different thicknesses.

2. The air knife dust removal device for glass inspection according to claim 1, characterized in that, The first air blade has a first groove and a second groove on its inner side. The first groove is connected to the air inlet, and the second groove is connected to the air outlet. The first slot and the second air blade cooperate to form the first airflow cavity; The second groove and the second air blade cooperate to form the second airflow cavity.

3. The air knife dust removal device for glass inspection according to claim 2, characterized in that, The distance between the second groove and the second air knife is less than the distance between the first groove and the second air knife.

4. The air knife dust removal device for glass inspection according to claim 3, characterized in that, The distance between the second air knife and the first air knife forming the air outlet is 0.2-1.5mm.

5. The air knife dust removal device for glass inspection according to claim 4, characterized in that, The distance between the groove surface of the second groove and the inner side of the second air knife is 1-2.5mm.

6. The air knife dust removal device for glass inspection according to claim 5, characterized in that, The second air knife is provided with a baffle plate on the outside of the air outlet.

7. The air knife dust removal device for glass inspection according to claim 2, characterized in that, The first groove has a first drainage groove at the position corresponding to the air inlet; the first drainage groove is connected to the air inlet.

8. The air knife dust removal device for glass inspection according to claim 1, characterized in that, The first air blade has a threaded hole at the part located between the air inlets along its length.

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