Disinfecting and killing device of glass substrate conveying mechanism

Abstract

The utility model discloses a disinfecting and killing device of a glass substrate conveying mechanism. The disinfecting and killing device comprises a conveying mechanism body and a disinfecting and killing device, the conveying mechanism body comprises a box body with the upper portion open, a plurality of rotating shafts are arranged in the box body in parallel at intervals, the two ends of each rotating shaft are rotatably connected to the two opposite side box body walls respectively, a plurality of rolling wheels are coaxially and fixedly connected to the rotating shafts in a penetrating mode, O-shaped rings are embedded in the outer walls of the rolling wheels, and a drain valve is arranged at the bottom of the box body. The disinfecting and killing device comprises a disinfectant box arranged outside the side, connected with the rotating shaft, of the box body, the bottom of the disinfectant box communicates with a first pipeline, the first pipeline communicates with a second pipeline through a water pump, the second pipeline is connected with a first electromagnetic valve, the tail end of the second pipeline penetrates through the box body to communicate with a third pipeline, and the third pipeline is fixedly installed on the inner bottom wall of the box body. The third pipeline comprises a plurality of branch pipelines located under the rotating shaft, and each branch pipeline communicates with a plurality of first nozzles with the spraying direction facing upwards. And the drain valve, the water pump and the first electromagnetic valve are all connected with the controller.

Description

TECHNICAL FIELD

[0001] The utility model relates to a killing device technical field especially relates to a glass substrate conveying mechanism killing device. BACKGROUND

[0002] In the production process of TFT-LCD (liquid crystal display) glass substrate, the glass surface needs to be cleaned by a cleaning machine to remove PAC on the glass surface and dirt and other impurities generated in the previous process to make the glass substrate clean to the standard. The cleaning machine generally includes a conveying mechanism and a cleaning mechanism. In the process of conveying the glass substrate, the rollers and O-rings of the conveying mechanism need to be wetted with water in the box to prevent scratching the glass substrate and prolonging its service life. In the long-term work, the rollers and O-rings cannot be completely isolated from the external air, which makes the conveying mechanism prone to microbial growth, thereby affecting the quality of the glass substrate. To avoid this problem, the existing technology requires regular disinfection of the conveying mechanism, but this requires downtime for operation, affecting the equipment operation, product yield, and subsequent recovery of the production process. SUMMARY

[0003] To solve the technical problems in the background art, the utility model provides a glass substrate conveying mechanism killing device that does not need to stop.

[0004] The glass substrate conveying mechanism killing device includes a conveying mechanism body and a killing device. The conveying mechanism body includes an open-top box, multiple rotating shafts are arranged in parallel and spaced apart inside the box, the two ends of the rotating shafts are rotatably connected to the opposite box walls, multiple rollers are coaxially fixed and connected to the rotating shafts, O-rings are nested on the outer walls of the rollers, and a drain valve is provided at the bottom of the box. The killing device includes a disinfectant tank provided outside the box connected to the rotating shafts. The bottom of the disinfectant tank is connected to a first pipeline, the first pipeline is connected to a second pipeline through a water pump, the second pipeline is connected to a first electromagnetic valve, the end of the second pipeline penetrates the box and is connected to a third pipeline, the third pipeline is fixed to the inner bottom wall of the box, the third pipeline includes multiple branch pipelines located directly below the rotating shafts, and multiple first nozzles with a spraying direction towards the O-rings are connected to each branch pipeline.

[0005] Preferably, a first nozzle is provided directly below each O-ring, and the branch pipelines are arranged in parallel with the rotating shafts to make each O-ring and the first nozzle directly below it equally spaced in the height direction.

[0006] Preferably, the two ends of the rotating shaft are arranged at an angle relative to the horizontal plane. The device also includes a fourth pipe and a fifth pipe. The fourth pipe is connected to the output end of the water pump and is connected to a second solenoid valve. The second solenoid valve is connected to a controller. The fourth pipe passes through the housing and is connected to the fifth pipe. The fifth pipe is installed on the inner wall of the housing above the upwardly inclined rotating shaft end. Multiple second nozzles with downward spray direction are connected to the fifth pipe.

[0007] Preferably, the second nozzle is an adjustable spherical fan-shaped nozzle.

[0008] Preferably, it also includes a pure water tank, and the disinfectant tank is connected to the pure water tank through a sixth pipe. The middle part of the sixth pipe is connected to the first pipe, and the two ends of the sixth pipe are connected to the disinfectant tank and the pure water tank through a third solenoid valve and a fourth solenoid valve, respectively. The third solenoid valve and the fourth solenoid valve are connected to the controller.

[0009] Preferably, a first liquid level sensor is installed in the disinfectant tank, and a second liquid level sensor is installed in the pure water tank. Both the first and second liquid level sensors are connected to the controller.

[0010] Preferably, a throttle valve is also connected to the first pipeline, and the throttle valve is connected to the controller.

[0011] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0012] By installing a first nozzle directly below the rotating shaft to spray disinfectant from the disinfectant tank onto the rotating shaft, rollers, and O-rings, the transmission mechanism can be disinfected without stopping the machine, improving equipment uptime and ensuring product output and production continuity.

[0013] A second nozzle is installed on the inner wall of the box above the upward-sloping shaft end to ensure comprehensive disinfection.

[0014] By integrating the pure water tank into the disinfection device, the simplicity of the mechanism and control system is improved. Attached Figure Description

[0015] Figure 1 This is a top-view structural diagram of the disinfection device for the glass substrate conveying mechanism.

[0016] Figure 2 for Figure 1 Sectional view in the AA direction.

[0017] Figure 3 for Figure 2 Sectional view in the BB direction. Detailed Implementation

[0018] The specific embodiments of this utility model will now be described in detail with reference to the accompanying drawings.

[0019] Reference Figures 1 to 3 , the glass substrate conveying mechanism disinfection device comprises: a conveying mechanism body and a disinfection device, the conveying mechanism body comprises an upper open box 1, a plurality of rotating shafts 2 are arranged in parallel in the box 1, the two ends of the rotating shaft 2 are rotatably connected to the opposite wall of the box 1, a plurality of rollers 3 are fixed on the rotating shaft 2, and O-rings 4 are embedded on the outer wall of the roller 3. The O-ring is generally made of rubber material. The glass substrate 24 is conveyed backward to the cleaning mechanism of the cleaning machine by the continuously rotating roller 3. A drain valve 11 is arranged at the bottom of the mechanism box 1; the disinfection device comprises a disinfectant tank 5 arranged outside the box 1 connected with the rotating shaft 2, the disinfectant in the disinfectant tank 5 can be a certain concentration of hydrogen peroxide solution, the bottom of the disinfectant tank 5 is communicated with a first pipeline 6, the first pipeline 6 is communicated with a second pipeline 8 through a water pump 7, the second pipeline 8 is connected with a first electromagnetic valve 9, the end of the second pipeline 8 penetrates through the box 1 and is communicated with a third pipeline 10, the third pipeline 10 is fixedly installed on the inner bottom wall of the box 1, the third pipeline 10 comprises a plurality of branch pipelines 101 located directly below the rotating shaft 2, and a plurality of first nozzles 12 whose spraying directions are towards the O-rings 4 are communicated on each branch pipeline 101; the drain valve 11, the water pump 7 and the first electromagnetic valve 9 are connected with a controller.

[0020] The working principle of the glass substrate conveying mechanism disinfection device is that the controller can open the water pump 7 and the first electromagnetic valve 9 every certain period of time, so that the disinfectant liquid such as hydrogen peroxide in the disinfectant tank 5 enters the branch pipeline 101, and the disinfectant liquid is sprayed on the O-rings 4, the rollers 3 and the rotating shafts 2 of the conveying mechanism through the first nozzles 12 for disinfection. After a period of time, the controller closes the water pump 7 and the first electromagnetic valve 9, and opens the drain valve 11 to drain the disinfectant accumulated in the box 1 out of the box 1.

[0021] The glass substrate conveying mechanism disinfection device can achieve the purpose of disinfecting the conveying mechanism without stopping, improve the equipment operation, and ensure the product yield and the continuity of production.

[0022] In actual application, in order to minimize the accumulation of liquid or other impurities on the glass substrate 24, the rotating shaft 2 is slightly inclined relative to the horizontal plane and is connected to the wall of the box 1, in order to ensure that the impact force on the O-rings 4 above each first nozzle 12 is relatively average, a first nozzle 12 is arranged directly below each O-ring 4, and the branch pipeline 101 is arranged in parallel with the rotating shaft 2, so that each O-ring 4 and the first nozzle 12 directly below it are arranged equidistantly in the height direction, thereby ensuring the comprehensiveness and uniformity of the disinfection effect.

[0023] The device further comprises a fourth pipeline 13, a fifth pipeline 14, the fourth pipeline 13 is communicated with the output end of the water pump 7, the fourth pipeline 13 is connected with a second electromagnetic valve 15, the second electromagnetic valve 15 is connected with the controller, the fourth pipeline 13 is communicated with the fifth pipeline 14 through the box body 1, the fifth pipeline 14 is installed on the inner wall of the box body 1 above the upwardly inclined rotating shaft 2 end, a plurality of second nozzles 16 with downward spraying direction are communicated on the fifth pipeline 14, in actual application, the disinfecting and killing effect at the upwardly inclined rotating shaft 2 end is not ideal due to the water pressure undersupply and other reasons, especially the dead angle for breeding bacteria is formed in the box body 1, in order to make up for the problem, the second nozzles 16 are arranged on the upper part, and the disinfecting and killing effect is enhanced.

[0024] In order that the box body 1 inside the upwardly inclined rotating shaft 2 end can be more comprehensively and flexibly disinfected and killed, the second nozzles 16 are adjustable ball sector nozzles, the sector nozzles can spray more concentrated and stronger impact jet flow, so that the box body 1 inside can be more powerfully disinfected and killed.

[0025] With reference to Figure 2 , the device further comprises a pure water tank 17, the disinfectant tank 5 is communicated with the pure water tank 17 through a sixth pipeline 18, the middle part of the sixth pipeline 18 is communicated with the first pipeline 6, the two ends of the sixth pipeline 18 are respectively communicated with the disinfectant tank 5 and the pure water tank 17 through a third electromagnetic valve 19 and a fourth electromagnetic valve 20, and the third electromagnetic valve 19 and the fourth electromagnetic valve 20 are connected with the controller.

[0026] Since the conveying mechanism needs to use pure water to wet the O-shaped ring 4 during conveying, so as to reduce the friction between the O-shaped ring and the glass substrate 24, thereby reducing the possibility of scratching the glass substrate 24 as far as possible and prolonging the service life of the O-shaped ring, in order to simplify the mechanism and the control system, the pure water tank 17 can be integrated into the disinfecting and killing device, in actual application, the controller can be used to open the fourth electromagnetic valve 20, the water pump 7 and the first electromagnetic valve 9, the pure water in the pure water tank 17 is sprayed to the O-shaped ring through the first nozzle 12 for wetting, after a certain time, the fourth electromagnetic valve 20 is closed, the third electromagnetic valve 19 and the second electromagnetic valve 15 are opened, and the O-shaped ring 4 and the box body 1 inside are respectively disinfected and killed through the first nozzle 12 and the second nozzle 16, then after a period of time, the disinfectant flow path is closed and the pure water flow path is opened, and the circulation is continuously carried out, so that the conveying mechanism can be disinfected and killed regularly without stopping and affecting normal production.

[0027] With reference to Figure 2 , the first liquid level sensor 21 is installed in the disinfectant tank 5, the second liquid level sensor 22 is installed in the pure water tank 17, and the first liquid level sensor 21 and the second liquid level sensor 22 are connected with the controller, so as to monitor the liquid level in the disinfectant tank 5 and the pure water tank 17, and supplement the pure water and the disinfectant in time when the liquid level is monitored to be too low.

[0028] With reference to Figure 2 The first pipeline 6 is further connected with a throttle valve 23, the throttle valve 23 is connected with a controller, the fluid pressure in the first pipeline 6 is controlled and adjusted, so that the fluid impact force of the first nozzle 12 and the second nozzle 16 is guaranteed, and the disinfecting effect is guaranteed.

[0029] The above merely describes a preferred embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A glass substrate transport mechanism decontamination apparatus, characterized by, The utility model relates to a disinfecting and sterilizing device for conveying mechanism, including: conveying mechanism body and disinfecting and sterilizing device, conveying mechanism body includes the box (1) of upper open, a plurality of rotating shafts (2) are arranged in parallel interval in the box (1), and the both ends of rotating shaft (2) are rotatably connected on the wall of opposite two sides box (1) respectively, and a plurality of rollers (3) are fixedly connected on rotating shaft (2) coaxially, and O ring (4) is nested on the outer wall of roller (3), and the bottom of box (1) is provided with drainage valve (11), and disinfecting and sterilizing device includes the disinfectant tank (5) of setting up in the box (1) side outside connected rotating shaft (2), and the bottom of disinfectant tank (5) is communicated with first pipeline (6), and first pipeline (6) is communicated with second pipeline (8) through water pump (7), and second pipeline (8) is connected with first solenoid valve (9), and the end of second pipeline (8) passes through box (1) and is communicated with third pipeline (10), and third pipeline (10) is fixedly installed on the inner bottom wall of box (1), and third pipeline (10) includes a plurality of branch pipelines (101) located just below rotating shaft (2), and each branch pipeline (101) is communicated with a plurality of first nozzles (12) whose jet direction is towards O ring (4), and drainage valve (11), water pump (7) and first solenoid valve (9) are connected with controller.

2. The glass substrate transport mechanism decontamination apparatus of claim 1, wherein, The first nozzle (12) is arranged just below each O ring (4), and the branch pipeline (101) is arranged in parallel with the rotating shaft (2), so that each O ring (4) and the first nozzle (12) just below it are arranged equidistantly in the height direction.

3. The glass substrate transport mechanism decontamination apparatus of claim 1, wherein, The both ends of the rotating shaft (2) are arranged obliquely relative to the horizontal plane, and the device further comprises a fourth pipeline (13), a fifth pipeline (14), the fourth pipeline (13) is communicated with the output end of the water pump (7), the fourth pipeline (13) is connected with a second solenoid valve (15), the second solenoid valve (15) is connected with the controller, the fourth pipeline (13) is communicated with the fifth pipeline (14) by passing through the box (1), the fifth pipeline (14) is installed on the inner wall of the box (1) above the end of the upwardly inclined rotating shaft (2), and the fifth pipeline (14) is communicated with a plurality of second nozzles (16) whose jet direction is downward.

4. The glass substrate transport mechanism decontamination apparatus of claim 3, wherein, The second nozzle (16) is an adjustable ball sector nozzle.

5. The glass substrate transport mechanism decontamination apparatus of claim 1 or 3, wherein, The device further comprises a pure water tank (17), the disinfectant tank (5) is communicated with the pure water tank (17) through a sixth pipeline (18), the middle part of the sixth pipeline (18) is communicated with the first pipeline (6), the both ends of the sixth pipeline (18) are respectively communicated with the disinfectant tank (5) and the pure water tank (17) through a third solenoid valve (19) and a fourth solenoid valve (20), and the third solenoid valve (19) and the fourth solenoid valve (20) are connected with the controller.

6. The glass substrate transport mechanism decontamination apparatus of claim 5, wherein, A first liquid level sensor (21) is installed in the disinfectant tank (5), and a second liquid level sensor (22) is installed in the pure water tank (17), and the first liquid level sensor (21) and the second liquid level sensor (22) are connected with the controller.

7. The glass substrate transport mechanism decontamination apparatus of claim 5, wherein, A throttle valve (23) is further connected to the first pipeline (6), and the throttle valve (23) is connected with the controller.

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