Device for preparing conductive layer of discharge type gas sensor substrate

Abstract

The invention discloses a preparation device for a conductive layer of a discharge type gas sensor substrate, and particularly relates to the technical field of sensors, the preparation device comprises a mounting rack, a rotating ring is rotatably connected to the mounting rack, a second motor is mounted on the mounting rack, the output end of the second motor is fixedly connected with the rotating ring, and the output end of the second motor is fixedly connected with the rotating ring. A plurality of liquid storage tanks which are circumferentially distributed are arranged on the rotating ring, and closing mechanisms and brush cylinders are arranged on the liquid storage tanks; the brush cylinder is located below the liquid storage tank, the closing mechanism is used for controlling discharging and closing of coating in the liquid storage tank, the liquid storage tank is further provided with a uniform coating mechanism, the uniform coating mechanism is used for uniformly covering the surface of the brush cylinder with the coating on the brush cylinder, and the brush cylinder is rotationally connected to the lower portion of the liquid storage tank. And the closing mechanism comprises a mounting plate, the mounting plate is located in the liquid storage tank, and through cooperation of the mechanisms, the problem of brushing missing or non-uniform brushing is avoided.

Description

Technical Field

[0001] The invention relates to the technical field of sensors, in particular to a device for preparing a conductive layer of a discharge gas sensor substrate. Background Art

[0002] A discharge gas sensor is a converter that converts the volume fraction of a gas into a corresponding electrical signal. The detector head conditions the gas sample through the gas sensor, usually including filtering out impurities and interfering gases, and drying or refrigerating the instrument display.

[0003] When the conductive layer of the substrate of the discharge gas sensor is manufactured, it is necessary to apply an anti-corrosion layer to the prepared conductive layer. The anti-corrosion layer can prevent the conductive layer from being affected by the external environment, thereby affecting the conductivity.

[0004] In the prior art, when painting, part of the paint is applied to the surface of the substrate using a roller, the paint is poured onto the roller, and then the substrate is painted. During this process, it is difficult to ensure that the paint is evenly distributed on the roller. If some parts of the roller have less paint or no paint, uneven painting or missed painting will occur. In addition, the prior art usually uses a valve to control the opening or closing of the paint, and the valve controls the nozzle, and it is difficult to accurately control the timing of opening or closing. Sometimes, painting begins when a portion of the substrate below has been moved out of the brush barrel, which can cause missed painting. Or, after the substrate has been painted, the valve has not been closed, which can cause the paint on the brush barrel to fall off, which will not only dirty the ground but also cause waste. Summary of the invention

[0005] The object of the present invention is to provide a device for preparing a conductive layer of a discharge gas sensor substrate to solve the problem of inaccurate painting mentioned in the above background technology.

[0006] The present invention can be implemented through the following technical scheme: a preparation device for the conductive layer of a discharge gas sensor substrate, comprising a mounting frame, a rotating ring rotatably connected to the mounting frame, a second motor installed on the mounting frame, the output end of the second motor and the rotating ring are fixedly connected, a plurality of circularly distributed liquid storage tanks are arranged on the rotating ring, a closing mechanism and a brush cylinder are arranged on the liquid storage tank; the brush cylinder is located below the liquid storage tank, the closing mechanism is used to control the discharge and closing of the paint in the liquid storage tank, and a coating mechanism is also arranged on the liquid storage tank, and the coating mechanism is used to evenly cover the paint on the brush cylinder on the surface of the brush cylinder.

[0007] A further technical improvement of the present invention is that the brush cylinder is rotatably connected to the bottom of the liquid storage tank, the closing mechanism includes a mounting plate, the mounting plate is located inside the liquid storage tank, a plurality of linearly arranged plug rods are fixedly connected to the mounting plate, a plurality of liquid outlet holes are provided at the bottom of the liquid storage tank, the liquid outlet holes correspond to the plug rods, the closing mechanism also includes a stretching assembly and a limiting assembly, the stretching assembly is used to move the mounting plate and the plug rod, and the limiting assembly is used to control the moving direction of the mounting plate and the plug rod.

[0008] A further technical improvement of the present invention is that the stretching assembly includes a pull rod, which is fixedly connected to the mounting plate and extends to the outside of the liquid storage tank, the pull rod is slidably connected to the rotating ring, a transmission rod is fixedly connected to the pull rod, the transmission rod is slidably connected to the rotating ring, a transmission ring is arranged on the outside of the rotating ring, a limiting groove is provided on the transmission ring, and the transmission rod extends into the limiting groove.

[0009] A further technical improvement of the present invention is that the limiting assembly includes a fixed cylinder, two of which are provided and fixedly connected to the left and right ends of the liquid storage tank, a connecting rod is slidably connected inside the fixed cylinder, the connecting rod is fixedly connected to the mounting plate, a spring is provided inside the fixed cylinder, and the spring is fixedly connected to the connecting rod.

[0010] A further technical improvement of the present invention is that the coating mechanism includes a first motor, which is installed below the liquid storage tank. The output end of the first motor is fixedly connected to the brush cylinder. Fixed rods are provided on the front and rear sides of the liquid storage tank. An electric push rod is installed at the free end of the fixed rod. A scraper is fixedly connected to the telescopic end of the electric push rod. The brush cylinder and the scraper correspond to each other.

[0011] A further technical improvement of the present invention is that a conveyor belt is arranged below the brush cylinder, a lifting mechanism is arranged above the conveyor belt, a placement box is arranged on the lifting mechanism, and the placement box is used to hold the substrate.

[0012] A further technical improvement of the present invention is that the lifting mechanism includes a fixed plate, a plurality of the fixed plates are linearly connected to the conveyor belt, a slide rail is provided on the fixed plate, a lifting component is slidably connected to the slide rail, and the lifting component is rotatably connected to the placement box at one end away from the slide rail.

[0013] A further technical improvement of the present invention is that the lifting assembly is composed of two long rods that rotate with each other, one end of the long rod is slidably connected to the slide rail, and the other end of the long rod is rotatably connected to the placement box.

[0014] A further technical improvement of the present invention is that: a synchronization frame is arranged on the conveyor belt, a strip groove is opened on the synchronization frame, L-shaped rods are arranged on both sides of the placement box, and the L-shaped rods are slidably connected in the synchronization frame.

[0015] Compared with the prior art, the present invention has the following beneficial effects: 1. The closing mechanism can automatically open when the anti-corrosion paint needs to be applied to the substrate, and automatically close after the application is completed, so as to achieve precise painting. Compared with the traditional painting device that controls the opening or closing of the paint through the valve, it is difficult to accurately control the opening or closing timing. When the substrate below has moved out of a part of the brush barrel, the painting begins, which will cause the problem of missing paint. Or after the substrate has been painted, the valve has not been closed, which will cause the paint on the brush barrel to fall off, which will not only dirty the ground but also cause waste.

[0016] 2. The coating mechanism can evenly distribute the paint on the brush barrel to various areas of the brush barrel, thereby preventing some parts of the brush barrel from being without paint, causing the substrate to be missed during brushing. In addition, the coating mechanism can also control the thickness of the paint on the brush barrel, thereby controlling the amount of paint on the brush barrel according to the thickness of the anti-corrosion coating on the substrate. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to facilitate understanding by those skilled in the art, the present invention is further described below with reference to the accompanying drawings.

[0018] Figure 1 It is a schematic diagram of the external structure of the present invention; Figure 2 It is a partial structural schematic diagram of the present invention; Figure 3 It is a schematic diagram of the liquid storage tank and the rotating ring of the present invention; Figure 4 It is a schematic diagram of the structure of the coating mechanism of the present invention; Figure 5 It is a schematic diagram of the closing mechanism of the present invention; Figure 6 It is a partial structural schematic diagram of the coating mechanism of the present invention; Figure 7 It is a schematic diagram of the transmission ring of the present invention; Figure 8 It is a schematic diagram of the lifting mechanism of the present invention.

[0019] In the figure: 1. mounting frame; 2. rotating ring; 3. liquid storage tank; 4. closing mechanism; 41. mounting plate; 42. plug rod; 43. liquid outlet; 44. fixing cylinder; 45. spring; 46. connecting rod; 47. pull rod; 48. transmission rod; 5. brush cylinder; 6. coating mechanism; 61. first motor; 62. fixing rod; 63. electric push rod; 64. scraper; 7. transmission ring; 71. limit groove; 8. conveyor belt; 9. lifting mechanism; 91. fixing plate; 92. slide rail; 93. lifting assembly; 94. L-shaped rod; 95. synchronization frame; 10. second motor. DETAILED DESCRIPTION

[0020] In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined invention purpose, the specific implementation methods, structures, features and effects of the present invention are described in detail below in conjunction with the accompanying drawings and preferred embodiments.

[0021] See also Figure 1-8 As shown, the present invention provides a preparation device for the conductive layer of a discharge gas sensor substrate, including a mounting frame 1, a rotating ring 2 is rotatably connected to the mounting frame 1, a second motor 10 is installed on the mounting frame 1, an output end of the second motor 10 is fixedly connected to the rotating ring 2, a plurality of circumferentially distributed liquid storage tanks 3 are arranged on the rotating ring 2, a closing mechanism 4 and a brush cylinder 5 are arranged on the liquid storage tank 3; the brush cylinder 5 is located below the liquid storage tank 3, the closing mechanism 4 is used to control the discharge and closing of the paint in the liquid storage tank 3, and a coating mechanism 6 is also arranged on the liquid storage tank 3, and the coating mechanism 6 is used to evenly cover the paint on the brush cylinder 5 on the surface of the brush cylinder 5.

[0022] See also Figure 1 , 8 As shown, a conveyor belt 8 is arranged below the brush cylinder 5, a lifting mechanism 9 is arranged above the conveyor belt 8, and a placement box 11 is arranged on the lifting mechanism 9. The placement box 11 is used to hold the substrate.

[0023] The rotating ring 2, the second motor 10, the liquid storage tank 3, the closing mechanism 4, the brush cylinder 5, the containing box 11 and the lifting mechanism 9 are coordinated, and the second motor 10 can drive the rotating ring 2 and the liquid storage tank 3 to rotate intermittently. When the liquid storage tank 3 rotates to a position perpendicular to the conveyor belt, the liquid storage tank 3 automatically opens under the action of the closing mechanism 4, and the paint inside flows onto the brush cylinder 5. At the same time, the coating mechanism 6 is opened to evenly apply the paint on the brush cylinder 5. At this time, the conveyor belt 8 just brings the containing box 11 to the bottom of the brush cylinder 5. The substrate in the containing box 11 contacts the brush cylinder 5 under the action of the lifting mechanism 9, and then the brush cylinder 5 is driven to rotate under the action of the coating mechanism 6 to achieve brushing of the substrate.

[0024] See also Figure 5 , 6As shown, the brush barrel 5 is rotatably connected to the bottom of the liquid storage tank 3, and the closing mechanism 4 includes a mounting plate 41, which is located inside the liquid storage tank 3. A plurality of linearly arranged plug rods 42 are fixedly connected to the mounting plate 41. A plurality of liquid outlet holes 43 are provided at the bottom of the liquid storage tank 3, and the liquid outlet holes 43 correspond to the plug rods 42. The closing mechanism 4 also includes a stretching assembly and a limiting assembly. The stretching assembly is used to move the mounting plate 41 and the plug rod 42, and the limiting assembly is used to control the moving direction of the mounting plate 41 and the plug rod 42.

[0025] Please refer to Figures 5 and 6, the stretching assembly includes a pull rod 47, the pull rod 47 and the mounting plate 41 are fixedly connected and extend to the outside of the liquid storage tank 3, the pull rod 47 and the rotating ring 2 are slidably connected, a transmission rod 48 is fixedly connected to the pull rod 47, the transmission rod 48 and the rotating ring 2 are slidably connected, a transmission ring 7 is provided on the outside of the rotating ring 2, a limiting groove 71 is provided on the transmission ring 7, and the transmission rod 48 extends into the limiting groove 71.

[0026] See also Figure 5 , 6 As shown, the limiting assembly includes a fixed cylinder 44, which is provided with two and fixedly connected to the left and right ends of the liquid storage tank 3, a connecting rod 46 is slidably connected in the fixed cylinder 44, the connecting rod 46 is fixedly connected to the mounting plate 41, and a spring 45 is provided in the fixed cylinder 44, and the spring 45 is fixedly connected to the connecting rod 46.

[0027] The provided limiting assembly can limit the mounting plate 41 and the insertion rod 42 , preventing the mounting plate 41 from rotating inversely, thereby causing the position of the insertion rod 42 to shift and fail to align with the liquid outlet 43 .

[0028] The closing mechanism 4 cooperates with the second motor 10. When the second motor 10 drives the rotating ring 2 and the liquid storage tank 3 to rotate to be perpendicular to the conveyor belt 8, the transmission rod 48 in the closing mechanism 4 rotates to the arc-shaped part in the limiting groove 71, thereby driving the transmission rod 48 and the pull rod 47 to rise. The pull rod 47 further drives the mounting plate 41 and the insertion rod 42 to rise, thereby separating the insertion rod 42 and the liquid outlet 43, so that the paint in the liquid storage tank 3 can flow out. After painting, the second motor 10 drives the rotating ring 2 and the liquid storage tank 3 to rotate to other positions. At this time, the transmission rod 48 is affected by the limiting groove 71, and under the action of the rebound force of the spring 45, it drives the insertion rod 42 and the liquid outlet 43 to cooperate, thereby closing the liquid storage tank 3 so that the paint inside it no longer flows out.

[0029] Therefore, the closing mechanism 4 is set up to open automatically when the anti-corrosion paint needs to be applied to the substrate, and close automatically after the application is completed, so as to achieve accurate painting. Compared with the traditional painting device that controls the opening or closing of the paint through a valve, it is difficult to accurately control the timing of opening or closing. When the lower substrate has moved out of a part of the brush barrel 5, the painting begins, which may cause the problem of missing paint, or when the substrate has been painted, the valve has not been closed, which may cause the paint on the brush barrel 5 to fall off, which will not only dirty the ground but also cause waste.

[0030] See also Figure 4 , 5 As shown in , 6, the coating mechanism 6 includes a first motor 61, which is installed below the liquid storage tank 3. The output end of the first motor 61 is fixedly connected to the brush cylinder 5. The front and rear sides of the liquid storage tank 3 are provided with a fixed rod 62. The free end of the fixed rod 62 is installed with an electric push rod 63. The telescopic end of the electric push rod 63 is fixedly connected with a scraper 64. The brush cylinder 5 and the scraper 64 correspond to each other.

[0031] The coating evenly-distributed mechanism 6 can evenly distribute the paint on the brush barrel 5 to various areas of the brush barrel 5, thereby preventing some parts of the brush barrel 5 from being without paint, causing the substrate to be missed during brushing. In addition, the coating evenly-distributed mechanism 6 can also control the thickness of the paint on the brush barrel 5, thereby controlling the amount of paint on the brush barrel 5 according to the thickness of the anti-corrosion coating on the substrate.

[0032] The operation process of the coating mechanism 6 is as follows: first, the first motor 61 is started, and the first motor 61 drives the brush barrel 5 fixed thereto to rotate, so that the paint can fall evenly at each position on the brush barrel 5, and at the same time, the electric push rod 63 is started, and the electric push rod 63 drives the scraper 64 to contact the brush barrel 5, so that the paint on the brush barrel 5 is evenly distributed to each area.

[0033] See also Figure 8 As shown, the lifting mechanism 9 includes a fixed plate 91, and a plurality of fixed plates 91 are linearly connected to the conveyor belt 8. A slide rail 92 is provided on the fixed plate 91, and a lifting component 93 is slidably connected to the slide rail 92. The lifting component 93 is rotatably connected to the placement box 11 at one end away from the slide rail 92.

[0034] The lifting assembly 93 is composed of two long rods that rotate with each other. One end of the long rod is slidably connected to the slide rail 92, and the other end of the long rod is rotatably connected to the placement box 11.

[0035] A synchronization frame 95 is provided on the conveyor belt 8 , and a strip groove is provided on the synchronization frame 95 . L-shaped rods 94 are provided on both sides of the placement box 11 , and the L-shaped rods 94 are slidably connected in the synchronization frame 95 .

[0036] The lifting mechanism 9 cooperates with the conveyor belt 8. When the conveyor belt 8 drives the lifting mechanism 9, the container box 11 and the substrate to move, the L-shaped rod 94 on the lifting mechanism 9 moves in the vertical direction along the trajectory of the strip groove on the synchronization frame 95. When the lifting mechanism 9 moves as a whole to the bottom of the brush cylinder 5, the position of the strip groove rises, thereby driving the L-shaped rod 94 to rise. As the L-shaped rod 94 rises, the container box 11 and the substrate are further driven to rise through the lifting assembly 93 until the substrate and the brush cylinder 5 are in contact.

[0037] When the present invention is in use, the rotating ring 2, the second motor 10, the liquid storage tank 3, the closing mechanism 4, the brush barrel 5, the container box 11 and the lifting mechanism 9 are coordinated, wherein the second motor 10 is a servo motor, which can intermittently drive the rotating ring 2 to rotate. When the liquid storage tank 3 on the rotating ring 2 is rotated to the top of the container box 11, the second motor 10 stops rotating. At this time, when the closing mechanism 4 reaches this position, it automatically opens, and the paint in the liquid storage tank 3 flows out and flows onto the brush barrel 5. Then, the coating mechanism 6 is started to drive the brush barrel 5 to rotate, so that every part of the brush barrel 5 is covered with paint, and then the scraper 64 on the coating mechanism 6 evenly spreads the paint on the brush barrel 5, so that every area on the brush barrel 5 is covered with paint, thereby avoiding the problem of missing paint when the brush barrel 5 is brushed.

[0038] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Although the present invention has been disclosed as a preferred embodiment as above, it is not used to limit the present invention. Any technical personnel in this field can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention without departing from the content of the technical solution of the present invention still fall within the scope of the technical solution of the present invention.

Claims

1. A device for preparing a conductive layer of a discharge gas sensor substrate, comprising a mounting frame (1), characterized in that: A rotating ring (2) is rotatably connected to the mounting frame (1), a second motor (10) is mounted on the mounting frame (1), an output end of the second motor (10) is fixedly connected to the rotating ring (2), a plurality of circumferentially distributed liquid storage tanks (3) are arranged on the rotating ring (2), and a closing mechanism (4) and a brush cylinder (5) are arranged on the liquid storage tank (3); The brush barrel (5) is located below the liquid storage tank (3); the closing mechanism (4) is used to control the discharge and closing of the paint in the liquid storage tank (3); and a coating mechanism (6) is also provided on the liquid storage tank (3); the coating mechanism (6) is used to evenly cover the paint on the brush barrel (5) on the surface of the brush barrel (5).

2. The device for preparing a conductive layer of a discharge gas sensor substrate according to claim 1, characterized in that: The brush cylinder (5) is rotatably connected to the bottom of the liquid storage tank (3); the closing mechanism (4) comprises a mounting plate (41); the mounting plate (41) is located inside the liquid storage tank (3); a plurality of linearly arranged plug rods (42) are fixedly connected to the mounting plate (41); a plurality of liquid outlet holes (43) are provided at the bottom of the liquid storage tank (3); the liquid outlet holes (43) correspond to the plug rods (42); the closing mechanism (4) further comprises a stretching assembly and a limiting assembly; the stretching assembly is used to move the mounting plate (41) and the plug rod (42); and the limiting assembly is used to control the moving direction of the mounting plate (41) and the plug rod (42).

3. The device for preparing a conductive layer of a discharge gas sensor substrate according to claim 2, characterized in that: The stretching assembly comprises a pull rod (47), the pull rod (47) and the mounting plate (41) are fixedly connected and extend to the outside of the liquid storage tank (3), the pull rod (47) and the rotating ring (2) are slidably connected, a transmission rod (48) is fixedly connected to the pull rod (47), the transmission rod (48) and the rotating ring (2) are slidably connected, a transmission ring (7) is arranged outside the rotating ring (2), a limiting groove (71) is provided on the transmission ring (7), and the transmission rod (48) extends into the limiting groove (71).

4. The device for preparing a conductive layer of a discharge gas sensor substrate according to claim 2, characterized in that: The limiting assembly comprises a fixed cylinder (44), two fixed cylinders (44) are provided and fixedly connected to the left and right ends of the liquid storage tank (3), a connecting rod (46) is slidably connected inside the fixed cylinder (44), the connecting rod (46) and the mounting plate (41) are fixedly connected, and a spring (45) is provided inside the fixed cylinder (44), and the spring (45) and the connecting rod (46) are fixedly connected.

5. The device for preparing a conductive layer of a discharge gas sensor substrate according to claim 1, characterized in that: The coating mechanism (6) comprises a first motor (61), which is installed below the liquid storage tank (3). The output end of the first motor (61) is fixedly connected to the brush cylinder (5). The front and rear sides of the liquid storage tank (3) are provided with a fixing rod (62). The free end of the fixing rod (62) is installed with an electric push rod (63). The telescopic end of the electric push rod (63) is fixedly connected with a scraper (64). The brush cylinder (5) and the scraper (64) correspond to each other.

6. The device for preparing a conductive layer of a discharge gas sensor substrate according to claim 1, characterized in that: A conveyor belt (8) is arranged below the brush cylinder (5), a lifting mechanism (9) is arranged above the conveyor belt (8), a placement box (11) is arranged on the lifting mechanism (9), and the placement box (11) is used to hold the substrate.

7. The device for preparing a conductive layer of a discharge gas sensor substrate according to claim 6, characterized in that: The lifting mechanism (9) comprises a fixed plate (91), a plurality of the fixed plates (91) are linearly connected to the conveyor belt (8), a slide rail (92) is provided on the fixed plate (91), a lifting assembly (93) is slidably connected to the slide rail (92), and an end of the lifting assembly (93) away from the slide rail (92) is rotatably connected to the placement box (11).

8. The device for preparing a conductive layer of a discharge gas sensor substrate according to claim 7, characterized in that: The lifting assembly (93) is composed of two long rods that rotate with each other, one end of the long rod is slidably connected to the slide rail (92), and the other end of the long rod is rotatably connected to the placement box (11).

9. The device for preparing a conductive layer of a discharge gas sensor substrate according to claim 7, characterized in that: The conveyor belt (8) is provided with a synchronization frame (95), and a strip groove is opened on the synchronization frame (95). L-shaped rods (94) are provided on both sides of the placement box (11), and the L-shaped rods (94) are slidably connected in the synchronization frame (95).

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