Drying tunnel airtightness test equipment

Abstract

The utility model relates to the technical field of air tightness testing equipment, in particular to drying tunnel air tightness testing equipment which comprises a base, a baking pipeline, a conveying assembly, a supporting assembly and a testing assembly, the testing assembly comprises a vacuum pump, an exhaust pipe, a vacuum sensor, a display screen and a sealing component, the vacuum pump is installed on the baking pipeline, the exhaust pipe is installed on the baking pipeline, and the vacuum sensor is installed on the vacuum pump. One end of the exhaust pipe communicates with the baking pipeline, the other end of the exhaust pipe communicates with the vacuum pump, the vacuum sensor is installed on the inner wall of the baking pipeline, the display screen is installed on the baking pipeline, the sealing component is installed on the base, the two ends of the baking pipeline are sealed through the sealing component, then the vacuum pump is started, and air in the baking pipeline is exhausted through the exhaust pipe. And then the vacuum sensor is started to monitor the pressure change in the baking pipeline, and the corresponding numerical value is displayed through the display screen, so that the airtightness test can be performed, air leakage points can be found and repaired in time, and the drying efficiency and quality are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of airtightness testing equipment, in particular to a drying tunnel airtightness testing equipment. Background Art

[0002] Drying tunnels, as equipment used to heat and dry items, require a sealed surface to ensure effective drying, conserve energy, and prevent contaminants from entering the internal environment. The primary purpose of a dryer airtightness test is to assess the tightness of the closed tunnel, specifically to check for air leaks. This test is crucial for ensuring proper operation, improving drying efficiency, and extending the life of the equipment.

[0003] The existing patent CN108106422A discloses an automatic filter heating device, comprising: a heating control console, a heating conveyor device, a heating baking channel, and a heat transfer device. The heating baking channel is mounted on the heating control console, the heating conveyor device passes through the heating baking channel, and the heat transfer device is mounted on the heating baking channel. The heating conveyor device comprises a heating conveyor belt, a first conveyor baffle, and a second conveyor baffle. The heating conveyor belt is mounted on the heating control console, and the first conveyor baffle and the second conveyor baffle are respectively mounted at both ends of the heating conveyor belt. The above-mentioned automatic filter heating device replaces the manual loading or unloading filter baking heating method by providing a heating control console, a heating conveyor device, a heating baking channel, and a heat transfer device, thereby effectively improving work efficiency and making the aging test results more accurate.

[0004] However, when using the existing patented heating equipment, since the heating equipment has air leakage after long-term use, airtightness testing cannot be performed, and the air leakage point cannot be discovered and repaired in time, thereby reducing the drying efficiency and quality. Utility Model Content

[0005] The purpose of the utility model is to provide a drying tunnel airtightness test device, which solves the above-mentioned problem that during the use of the heating equipment, due to the leakage of the heating equipment after long-term use, the airtightness test cannot be carried out, the leakage point cannot be discovered and repaired in time, thereby reducing the drying efficiency and quality.

[0006] To achieve the above-mentioned objectives, the utility model provides a baking tunnel airtightness testing device, comprising a base, a baking pipe, a conveying assembly, a supporting assembly and a testing assembly, wherein the baking pipe is fixedly mounted on the base, the conveying assembly is mounted on the base, the supporting assembly is mounted on the base, the testing assembly comprises a vacuum pump, an exhaust pipe, a vacuum sensor, a display screen and a sealing component, the vacuum pump is fixedly mounted on the baking pipe, the exhaust pipe is fixedly mounted on the baking pipe, one end of the exhaust pipe is connected to the baking pipe, and the other end of the exhaust pipe is connected to the vacuum pump, the vacuum sensor is fixedly mounted on the inner wall of the baking pipe, the display screen is fixedly mounted on the baking pipe and is located on the side of the baking pipe away from the vacuum sensor, and the sealing component is mounted on the base.

[0007] Wherein, the sealing component includes a screw block, a drying tunnel door, a sealing strip and a moving part. The base has two slide grooves, each of which is equipped with the moving part, and the screw block is installed in the slide groove through the moving part; each screw block is equipped with the drying tunnel door, and the drying tunnel door is fixedly connected to the screw block; each drying tunnel door is equipped with the sealing strip, and the sealing strip is fixedly connected to the drying tunnel door.

[0008] In which, the moving parts include a screw, a rotating motor and a rotating shaft, the screw is installed in each of the sliding grooves, the screw block is installed on each of the screws, and the screw block is threadedly connected to the screw; there are two rotating motors, and the two rotating motors are respectively installed on the base; each rotating motor is installed on the rotating shaft, one end of the rotating shaft is fixedly connected to the output shaft of the rotating motor, and the other end of the rotating shaft is fixedly connected to the screw.

[0009] Among them, the conveying assembly includes a drive motor, a drive shaft, a roller and a conveyor belt. The drive motor is fixedly mounted on the base and is located on the side of the base close to the baking pipe; the drive shaft is mounted on the drive motor, and the drive shaft is fixedly connected to the output shaft of the drive motor; the roller is fixedly mounted on the drive shaft; the conveyor belt is mounted on the roller, and the conveyor belt is rotatably connected to the roller.

[0010] Wherein, the support assembly includes a support rod and a support frustum, the number of the support rods is four, the four support rods are respectively installed on the base, each of the support rods is installed with the support frustum, and the support frustum is fixedly connected to the support rod.

[0011] The utility model provides a baking tunnel air tightness test device, wherein the vacuum pump is fixedly mounted on the baking tunnel, the exhaust pipe is fixedly mounted on the baking tunnel, one end of the exhaust pipe is communicated with the baking tunnel, and the other end of the exhaust pipe is communicated with the vacuum pump, the vacuum sensor is fixedly mounted on the inner wall of the baking tunnel, and the display screen is fixedly mounted on the baking tunnel. When in use, the drive motor is started to drive the drive shaft to rotate the roller, thereby driving the conveyor belt to rotate, and conveying the items to be baked, so that the items are conveyed to the baking tunnel through the conveyor belt for baking, and then conveyed to the outside after baking. When an air tightness test is required, the two rotating motors are started to drive the two rotating motors to rotate. The driving shaft causes the two screws to rotate in the corresponding chutes respectively, so that the screw block moves in the chutes, driving the baking tunnel door to move and close the two ends of the baking tunnel, so that the sealing strips are located at the two ends of the baking tunnel, sealing the two ends of the baking tunnel, so that the interior of the baking tunnel is in a closed environment, and then the vacuum pump is started to extract the air in the baking tunnel through the exhaust pipe to reach a predetermined vacuum degree, and then the vacuum sensor is started to monitor the pressure change in the baking tunnel, and the corresponding value is displayed on the display screen. If the internal pressure gradually increases over time, it indicates that there is an air leakage in the baking tunnel, so that an airtightness test can be performed, and the leakage point can be discovered and repaired in time, thereby improving the drying efficiency and quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art.

[0013] Figure 1 It is a schematic diagram of the overall structure of the drying tunnel airtightness testing equipment of the first embodiment of the present utility model.

[0014] Figure 2 It is a schematic diagram of the installation structure of the vacuum sensor of the first embodiment of the present utility model.

[0015] Figure 3 It is a schematic diagram of the installation structure of the screw block of the first embodiment of the present utility model.

[0016] Figure 4 It is a schematic diagram of the installation structure of the support rod of the second embodiment of the present utility model.

[0017] In the figure: 101-base, 102-baking pipe, 103-vacuum pump, 104-exhaust pipe, 105-vacuum sensor, 106-display screen, 107-screw block, 108-baking tunnel door, 109-sealing strip, 110-chute, 111-screw, 112-rotating motor, 113-rotating shaft, 114-driving motor, 115-driving shaft, 116-roller, 117-conveyor belt, 201-support rod, 202-support round table. DETAILED DESCRIPTION

[0018] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0019] The first embodiment of this application is:

[0020] See also Figures 1 to 3 ,in Figure 1 This is a schematic diagram of the overall structure of the drying tunnel airtightness testing equipment of the first embodiment of the present utility model; Figure 2 This is a schematic diagram of the installation structure of the vacuum sensor of the first embodiment of the present utility model; Figure 3 It is a schematic diagram of the installation structure of the screw block of the first embodiment of the present utility model.

[0021] The present invention provides a drying tunnel air tightness test device: comprising a base 101, a baking tunnel 102, a conveying assembly, a supporting assembly and a testing assembly, wherein the testing assembly comprises a vacuum pump 103, an exhaust pipe 104, a vacuum sensor 105, a display screen 106 and a sealing component, wherein the sealing component comprises a screw block 107, a drying tunnel door 108, a sealing strip 109 and a moving part, wherein the moving part comprises a screw 111, a rotating motor 112 and a rotating shaft 113, and the conveying assembly comprises a driving motor 114, a driving shaft 115, a rotating roller 116 and a conveyor belt 117. The above-mentioned solution solves the above-mentioned problem that during the use of the heating equipment, due to the leakage of the heating equipment after long-term use, the air tightness test cannot be carried out, the leakage point cannot be discovered and repaired in time, thereby reducing the drying efficiency and quality. It can be understood that the above-mentioned solution can be used in the scenario of drying tunnel air tightness test, and can also be used to solve the problem of stable support.

[0022] In this embodiment, the baking duct 102 is fixedly mounted on the base 101, the conveyor assembly is mounted on the base 101, the support assembly is mounted on the base 101, and the testing assembly is mounted on the baking duct 102. This allows for airtightness testing, timely detection and repair of leaks, and improved drying efficiency and quality. The baking duct 102 includes a heating system for heating and baking items. The baking duct 102 is a mature existing technology and will not be described in detail in this solution. The conveyor assembly is located within the baking duct 102 and transports the items to be baked, allowing them to be delivered to the baking duct 102 for baking.

[0023] Among them, the vacuum pump 103 is fixedly installed on the baking pipe 102, the exhaust pipe 104 is fixedly installed on the baking pipe 102, one end of the exhaust pipe 104 is connected to the baking pipe 102, and the other end of the exhaust pipe 104 is connected to the vacuum pump 103, the vacuum sensor 105 is fixedly installed on the inner wall of the baking pipe 102, the display screen 106 is fixedly installed on the baking pipe 102, and is located on the side of the baking pipe 102 away from the vacuum sensor 105, and the sealing component is installed on the base 101. The vacuum pump 103 is LW-100B, and the vacuum pump 103 provides power to extract the air in the baking pipe 102 in a sealed state through the exhaust pipe 104, so that the baking pipe 102 reaches the corresponding vacuum degree. The vacuum pump 103 is a mature existing technology and will not be described in detail in this solution. The exhaust pipe 104 is made of stainless steel, and the exhaust pipe 104 connects the interior of the baking pipe 102 and the vacuum pump 103 to extract and transport the air in the baking pipe 102. The vacuum sensor 105 is used to sense and monitor the pressure changes in the baking pipe 102 after vacuuming. The vacuum sensor 105 is electrically connected to the display screen 106 to transmit the corresponding numerical value to the display screen 106 for display. The vacuum sensor 105 is a mature existing technology and will not be described in detail in this solution. The display screen 106 The pressure change value monitored by the vacuum sensor 105 is displayed, so that the corresponding pressure change value can be obtained conveniently and intuitively; the sealing component seals the two ends of the baking pipe 102, so that the baking pipe 102 is in a closed environment; when an airtightness test is required, the two ends of the baking pipe 102 are sealed by the sealing component, so that the interior of the baking pipe 102 is in a closed environment, and then the vacuum pump 103 is started to extract the air in the baking pipe 102 through the exhaust pipe 104 to reach a predetermined vacuum degree, and then the vacuum sensor 105 is started to monitor the pressure change in the baking pipe 102, and the corresponding value is displayed on the display screen 106. If the internal pressure gradually increases over time, it means that there is an air leak in the baking pipe 102, so that an airtightness test can be performed, and the leak point can be discovered and repaired in time, thereby improving the drying efficiency and quality.

[0024] Secondly, the base 101 has two slide grooves 110, each of which is equipped with the moving component, and the screw block 107 is installed in the slide groove 110 through the moving component; each of the screw blocks 107 is equipped with the baking tunnel door 108, and the baking tunnel door 108 is fixedly connected to the screw block 107, and each of the baking tunnel doors 108 is equipped with the sealing strip 109, and the sealing strip 109 is fixedly connected to the baking tunnel door 108. The base 101 is provided with two chutes 110, which are respectively located at the front and rear ends of the baking tube 102. The chutes 110 accommodate the moving parts and the screw block 107. The screw block 107 is made of stainless steel. The screw block 107 moves horizontally in the chutes 110 through the moving parts, driving the baking tunnel door 108 to move and open and close the baking tube 102. The screw block 107 supports the baking tunnel door 108. The baking tunnel door 108 is made of stainless steel, and the baking tunnel door 108 enables the baking tube 102 to be opened. In the open or closed state, the baking tunnel door 108 supports the sealing strip 109; the sealing strip 109 is made of silicone rubber and strengthens the sealing of the baking tube 102; the moving component causes the screw block 107 to move horizontally; the moving component causes the screw block 107 to move horizontally in the chute 110, driving the baking tunnel door 108 to move and close both ends of the baking tube 102, so that the sealing strip 109 is located at both ends of the baking tube 102, sealing both ends of the baking tube 102, and thus placing the baking tube 102 in a closed environment.

[0025] Again, the screw 111 is installed in each of the slide grooves 110, and the screw block 107 is installed on each of the screw rods 111, and the screw block 107 is threadedly connected to the screw rod 111; there are two rotating motors 112, and the two rotating motors 112 are respectively installed on the base 101; each of the rotating motors 112 is installed with the rotating shaft 113, one end of the rotating shaft 113 is fixedly connected to the output shaft of the rotating motor 112, and the other end of the rotating shaft 113 is fixedly connected to the screw rod 111. The screw 111 is made of stainless steel, and the screw 111 rotates in the slide 110, causing the screw block 107 to move horizontally in the slide 110; the rotating motor 112 drives the rotating shaft 113; the rotating shaft 113 is made of stainless steel, and the rotating shaft 113 connects the rotating motor 112 and the screw 111, driving the screw 111 to rotate; starting the rotating motor 112 drives the rotating shaft 113, thereby causing the screw 111 to rotate, causing the screw block 107 to move horizontally in the slide 110.

[0026] Then, the driving motor 114 is fixedly mounted on the base 101 and is located on the side of the base 101 close to the baking tube 102; the driving shaft 115 is mounted on the driving motor 114, and the driving shaft 115 is fixedly connected to the output shaft of the driving motor 114; the roller 116 is fixedly mounted on the driving shaft 115; the conveyor belt 117 is mounted on the roller 116, and the conveyor belt 117 is rotatably connected to the roller 116. The drive motor 114 drives the drive shaft 115; the drive shaft 115 is made of stainless steel, and the drive shaft 115 connects the drive motor 114 and the roller 116 to drive the roller 116 to rotate; the roller 116 is made of stainless steel, and the roller 116 drives the conveyor belt 117 to rotate; the conveyor belt 117 transports the items to be baked; when in use, the drive motor 114 is started to drive the drive shaft 115, so that the roller 116 rotates, and the conveyor belt 117 rotates to transport the items to be baked, so that the items are transported to the baking pipe 102 through the conveyor belt 117 for baking, and the items are transported to the outside after baking, thereby facilitating the transportation of the items to be baked.

[0027] When the drying tunnel air tightness testing device of this embodiment is in use, the drive motor 114 is started to drive the drive shaft 115, so that the roller 116 rotates, which drives the conveyor belt 117 to rotate, and the items to be baked are transported to the baking tube 102 through the conveyor belt 117 for baking. After baking, the items are transported outside. When an air tightness test is required, the two rotating motors 112 are started to drive the two rotating shafts 113, so that the two screws 111 rotate in the corresponding chute 110 respectively, so that the screw block 107 moves in the chute 110, and drives the drying tunnel door 108 to move and close the baking tube. The two ends of the baking pipe 102 are connected, so that the sealing strips 109 are located at the two ends of the baking pipe 102, and the two ends of the baking pipe 102 are sealed to make the interior of the baking pipe 102 in a closed environment. Then, the vacuum pump 103 is started to extract the air in the baking pipe 102 through the exhaust pipe 104 to reach a predetermined vacuum degree. Then, the vacuum sensor 105 is started to monitor the pressure change in the baking pipe 102, and the corresponding value is displayed on the display screen 106. If the internal pressure gradually increases over time, it means that there is an air leak in the baking pipe 102, so that an airtightness test can be performed, and the leak point can be discovered and repaired in time to improve the drying efficiency and quality.

[0028] The second embodiment of this application is:

[0029] See also Figure 4 ,in Figure 4It is a schematic diagram of the installation structure of the support rod of the second embodiment of the present utility model.

[0030] The support assembly provided by the present invention includes a support rod 201 and a support truncated table 202 .

[0031] There are four support rods 201, each of which is mounted on the base 101. A support truncated cone 202 is mounted on each support rod 201, and the support truncated cone 202 is fixedly connected to the support rod 201. The support rods 201 are made of stainless steel and are mounted on the base 101 by welding, supporting the base 101. The support truncated cone 202 is made of stainless steel and is mounted on the support rod 201 by welding, supporting the support rod 201. The support rods 201 and the support truncated cone 202 support the base 101, providing support for the base 101. The base 101 is supported by the support rods 201 and the support truncated cone 202, thereby providing stable support and maintaining a certain height above the ground, making it less susceptible to the ground environment.

[0032] When the drying tunnel air tightness test equipment of this embodiment is in use, the base 101 is supported by the support rods 201 and the support truncated table 202, so that the base 101 is stably supported and has a certain height from the ground, and is not easily affected by the ground environment.

[0033] The above disclosure is merely one or more preferred embodiments of the present application and is not intended to limit the scope of the present application. A person skilled in the art will understand that all or part of the processes of the above embodiments and equivalent changes made in accordance with the claims of the present application are still within the scope of the present application.

Claims

1. A drying tunnel air tightness test device, comprising a base, a baking tube, a conveying assembly, and a supporting assembly, wherein the baking tube is fixedly mounted on the base, the conveying assembly is mounted on the base, and the supporting assembly is mounted on the base, characterized in that: Also includes testing components; The test assembly includes a vacuum pump, an exhaust pipe, a vacuum sensor, a display screen and a sealing component. The vacuum pump is fixedly installed on the baking pipe, the exhaust pipe is fixedly installed on the baking pipe, one end of the exhaust pipe is connected to the baking pipe, and the other end of the exhaust pipe is connected to the vacuum pump. The vacuum sensor is fixedly installed on the inner wall of the baking pipe, the display screen is fixedly installed on the baking pipe and is located on the side of the baking pipe away from the vacuum sensor, and the sealing component is installed on the base.

2. The drying tunnel airtightness testing equipment according to claim 1, characterized in that: The sealing component includes a screw block, a drying tunnel door, a sealing strip and a moving part. The base has two slide grooves, each of which is equipped with the moving part, and the screw block is installed in the slide groove through the moving part; each screw block is equipped with the drying tunnel door, and the drying tunnel door is fixedly connected to the screw block; each drying tunnel door is equipped with the sealing strip, and the sealing strip is fixedly connected to the drying tunnel door.

3. The drying tunnel airtightness testing equipment according to claim 2, characterized in that: The moving parts include a screw, a rotating motor and a rotating shaft. The screw is installed in each of the sliding grooves, and the screw block is installed on each of the screws, and the screw block is threadedly connected to the screw; there are two rotating motors, and the two rotating motors are respectively installed on the base; the rotating shaft is installed on each of the rotating motors, one end of the rotating shaft is fixedly connected to the output shaft of the rotating motor, and the other end of the rotating shaft is fixedly connected to the screw.

4. The drying tunnel airtightness testing equipment according to claim 1, characterized in that: The conveying assembly includes a drive motor, a drive shaft, a roller and a conveyor belt. The drive motor is fixedly mounted on the base and is located on a side of the base close to the baking pipe; the drive shaft is mounted on the drive motor and fixedly connected to the output shaft of the drive motor; the roller is fixedly mounted on the drive shaft; the conveyor belt is mounted on the roller and is rotatably connected to the roller.

5. The drying tunnel airtightness testing equipment according to claim 1, characterized in that: The support assembly includes a support rod and a support truncated cone. There are four support rods, which are respectively mounted on the base. Each support rod is mounted with a support truncated cone, which is fixedly connected to the support rod.

Images