Device for detecting and repairing retained bubbles of glass fiber reinforced plastic

Abstract

The utility model discloses a device for detecting and repairing bubbles retained in glass fiber reinforced plastic, which comprises an ultrasonic panel used for detecting the bubble distribution condition on the surface of the glass fiber reinforced plastic, and the center of the ultrasonic panel is provided with a window; the material contact panel is embedded in the window and protrudes outwards; one end of the vibration conduction rod is fixedly connected with the surface, deviating from the glass fiber reinforced plastic, of the material contact panel; one end of the magnetic suspension motor is connected with the vibration conduction rod; the machine body is flexibly connected with the other end of the magnetic suspension motor; the display panel is arranged on the face, away from the vibration conduction rod, of the machine body and is in signal connection with the magnetic suspension motor and the ultrasonic panel. The device has the beneficial effects that the device has a detained bubble detection function; the air bubble discharging function is achieved, and it is ensured that air bubbles at the center and the edge of a material contact panel can be discharged through one-time attachment.

Description

Technical Field

[0001] The utility model relates to the technical field of fiberglass production and detection, in particular to a device for detecting and repairing retained bubbles in fiberglass. Background Art

[0002] Due to its advantages of high strength, light weight, and corrosion resistance, fiberglass has been widely used in the production of large tanks, pipelines, and purification towers in industries such as petroleum, chemical engineering, and metallurgy. When producing fiberglass products, a spraying process is generally used. During the spraying process, due to the difficulty of uniformly mixing the felt, resin, and auxiliary materials ejected by the high-pressure nozzle, and the mixing and contact with air during the spraying process, a large number of bubbles are contained in the fiberglass products.

[0003] Chinese Utility Model Patent Publication No. CN216610137U discloses a device for removing bubbles in hand-laid fiberglass, including a base. A bottom groove is fixedly arranged on the top surface of the base, a corner block is fixedly arranged inside the bottom groove, a pressing plate is arranged parallel above the bottom groove, and a top block is fixedly connected to the top of the pressing plate. This device forms a sealed space by pressing the pressing plate against the bottom groove, and makes a negative pressure effect in this sealed space through an air extraction mechanism to achieve the effect of removing bubbles. This device is used to remove a large number of bubbles existing in the hand-laying method, is not suitable for the fine bubbles existing in the spraying process, and cannot accurately locate the existence and position of the bubbles. Summary of the Utility Model

[0004] The technical problem to be solved by the utility model is that the existing fiberglass bubble removal device cannot effectively detect, locate, and remove fine bubbles. Therefore, a device for detecting and repairing retained bubbles in fiberglass is provided.

[0005] The technical solution of the utility model is: a device for detecting and repairing retained bubbles in fiberglass, including: an ultrasonic panel for detecting the bubble distribution on the surface of fiberglass, and a window is opened in the center of the ultrasonic panel; a material contact panel, the material contact panel is embedded in the window and protrudes outward; a vibration conduction rod, one end of the vibration conduction rod is fixedly connected to the side of the material contact panel facing away from the fiberglass; a magnetic levitation motor, one end of the magnetic levitation motor is connected to the vibration conduction rod; a fuselage, the fuselage is flexibly connected to the other end of the magnetic levitation motor; a display panel, the display panel is arranged on the side of the fuselage facing away from the vibration conduction rod and is signal-connected to the magnetic levitation motor and the ultrasonic panel.

[0006] An improvement to the above solution is that infrared rectangular lamps, infrared long lamps, and high-speed infrared cameras signal-connected to the fuselage are distributed on the side of the ultrasonic panel facing the material.

[0007] A further improvement of the above solution is that the ultrasonic panel is connected to the material contact panel through a flexible connection belt.

[0008] In the above solution, the vibration conduction rod includes: a vibration transmission module, a vibration telescopic long rod, a vibration telescopic module, and a vibration telescopic short rod that are connected in sequence. One end of the vibration telescopic long rod is fixedly connected to the vibration transmission module, and the other end is sleeved on the vibration telescopic module. One end of the vibration telescopic short rod is sleeved on the vibration telescopic module, and the other end is connected to the material contact panel.

[0009] In the above solution, the other end of the vibration telescopic short rod is a circular enlarged part.

[0010] A further improvement of the above solution is that a hardness regulator and a spring are sleeved on the vibration conduction rod, and the spring is located between the hardness regulator and the other end of the vibration conduction rod.

[0011] Another improvement of the above solution is that the magnetic levitation motor is wrapped with a buffer sleeve.

[0012] Another improvement of the above solution is that a buffer ring is fitted between the magnetic levitation motor and the fuselage body.

[0013] Another improvement of the above solution is that handles are fixedly connected to both sides of the fuselage.

[0014] The beneficial effects of the present utility model are as follows: it has a function of detecting retained bubbles. By using four high-speed infrared cameras working in parallel, the image quality is effectively enhanced. And two infrared long strip lights and two infrared short strip lights are provided, which can effectively enhance the detection ability of retained bubbles; it has a function of discharging bubbles. By using four groups of magnetic levitation motors in parallel to transmit vibration to the material contact panel through the vibration conduction rod, the uniformity of the vibration of the material contact panel is effectively improved, ensuring a one-time fit, and the bubbles at the center and edges of the material contact panel can be discharged. Description of the Drawings

[0015] Figure 1 It is a schematic diagram of the main structure of the present utility model;

[0016] Figure 2 It is a schematic diagram of the structure of the vibration conduction rod of the present utility model;

[0017] Figure 3 It is a schematic diagram of the ultrasonic panel structure of the present utility model;

[0018] Figure 4 It is a schematic diagram of the side structure of the present utility model;

[0019] Figure 5 It is Figure 1 an enlarged view of area A of

[0020] Figure 6For Figure 1 Rear schematic view of

[0021] In the figure: 1. Switch button, 2. Frequency increasing button, 3. Frequency decreasing button, 4. Vibration adding button, 5. Vibration damping button, 6. USB 1 interface, 7. USB 2 interface, 8. Display panel, 9. Handle, 10. Body, 11. Emergency stop knob, 12. Buzzer, 20. Vibration conduction rod, 21. Vibration transmission module, 22. Vibration telescopic long rod, 23. Vibration telescopic module, 24. Vibration telescopic short rod, 25. Magnetic levitation motor, 26. Buffer sleeve, 27. Hardness adjuster, 28. Spring, 29. Buffer ring, 30. Ultrasonic panel, 31. Flexible connecting belt, 32. Material contact panel, 33. Infrared short lamp, 34. Infrared long lamp, 35. High-speed infrared camera. Specific embodiments

[0022] Next, in combination with the attached drawings, the technical solutions in the embodiments of the present invention will be clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

[0023] In the present invention, unless otherwise stated, the orientation words such as "upper, lower, left, right" generally refer to the upper, lower, left, and right shown in the reference drawings; "inside and outside" refer to the inside and outside relative to the contour of each component itself. To facilitate the understanding of the present invention, the present invention will be described more comprehensively with reference to the relevant attached drawings. Several embodiments of the present invention are given in the drawings, but the present invention can be implemented in different forms and is not limited to the embodiments described in the text. On the contrary, providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

[0024] Embodiment 1: Please refer to Figure 1 , Figure 4 , Figure 5 to illustrate Embodiment 1. The body 10 includes a switch button 1, a USB 1 interface 6, a USB 2 interface 7, and a display panel 8; the ultrasonic panel 30 includes an infrared short lamp 33, an infrared long lamp 34, and a high-speed infrared camera 35;

[0025] The switch button 1 is installed on the body 10 and is used for emergency stop after starting work;

[0026] The USB 1 interface 6 and the USB 2 interface 7 are used for charging the device, checking image export, and online upgrade functions;

[0027] A display panel 8 for displaying the distribution of air bubbles remaining on the current fiberglass surface to guide the staff;

[0028] A fuselage 10 for the operation of the device and the processing of information;

[0029] The infrared rectangular lamp 33, infrared long lamp 34, and high-speed infrared camera 35 are used in combination for lighting and visual detection of air bubbles;

[0030] In this embodiment, the staff first presses the switch button 1, the device starts up and enters the detection mode; immediately, the infrared rectangular lamp 33, infrared long lamp 34, and high-speed infrared camera 35 on the ultrasonic panel 30 start up, and the distribution of air bubbles on the current fiberglass surface is immediately displayed on the display panel; at this time, the staff can judge whether it is necessary to discharge the air bubbles according to quality inspection requirements and other situations. If it is necessary to export, the operation of subsequent Embodiment 2 is enabled for export. If it is not necessary to discharge, an external storage device can be inserted into the USB 1 interface 6 or USB 2 interface 7 to export and save the detection images for future inspection.

[0031] Embodiment 2: Please refer to Figures 1 to 6 Referring to Embodiment 2, the fuselage 10 is provided with a switch button 1, a frequency increase button 2, a frequency decrease button 3, a vibration increase button 4, a vibration reduction button 5, a USB 1 interface 6, a USB 2 interface 7, a display panel 8, a handle 9, an emergency stop knob 11, and a buzzer 12; four vibration conduction rods 20, each vibration conduction rod includes a vibration transmission module 21, a vibration telescopic long rod 22, a vibration telescopic module 23, a vibration telescopic short rod 24, a magnetic levitation motor 25, a hardness regulator 27, and a high-precision spring 28. The magnetic levitation motor is connected to the fuselage. One end of the vibration telescopic long rod is sleeved on the vibration transmission module, one end of the vibration telescopic short rod is sleeved on the vibration telescopic module, and the other end is connected to the material contact panel. The hardness regulator 27 and the spring 28 are sleeved on the vibration conduction rod, and the spring is located between the hardness regulator and the other end of the vibration conduction rod;

[0032] In order to prevent the connection between the vibration conduction rod and the material contact panel from loosening due to the vibration of ultrasonic waves, the other end of the vibration telescopic short rod is a circular enlarged part and is connected to the material contact panel by gas welding.

[0033] Preferably, in order to prevent dust from entering the fuselage body, a buffer ring 29 is provided at the connection between the magnetic levitation motor and the fuselage body.

[0034] Preferably, in order to reduce the looseness of the components inside the fuselage body caused by the vibration of the magnetic levitation motor, a buffer sleeve 26 is wrapped on the surface of the magnetic levitation motor.

[0035] When the operator uses the device, since the palm of the operator grasps the handle for a long time and the handle is in a resonance state for a long time, the arrangement of the buffer ring and the buffer sleeve can effectively relieve fatigue.

[0036] Preferably, in order to effectively detect bubbles on the surface of the fiberglass and prevent improper detection accuracy or blurred edges and shadows on the screen due to detection by a single camera, four high-speed infrared cameras are provided on the ultrasonic panel.

[0037] Preferably, in order to prevent weak infrared rays due to weather and other reasons, the ultrasonic panel is provided with two long infrared light strips and two short infrared light strips, which can effectively enhance the visual accuracy of the high-speed infrared camera.

[0038] Preferably, in order to reduce the vibration amplitude caused by the material contact panel to the ultrasonic panel, the connection between the material contact panel and the ultrasonic panel is designed to be connected by a flexible connecting belt 31.

[0039] In this embodiment, according to Example 1, if the staff needs to discharge bubbles, they need to press the switch button 1 again to enter the working mode; after entering the working mode, the body automatically vibrates at 20KHz in the initialization state, and automatically works at the frequency of the last operation in other states; the staff selects the optimal frequency by pressing the frequency increase button 2 or the frequency reduction button according to the current situation of the FRP product, and then presses the vibration increase button 4 or the vibration reduction button 5 to select the optimal vibration amplitude; after selecting the optimal frequency and vibration amplitude, the staff grasps the handle 9 with both hands, and according to the bubble distribution shown on the display panel 8, the material contact panel 32 is bonded to the FRP surface, and according to the material of the FRP, the bonding is performed for 40 to 50 seconds, and the buzzer sounds an alarm if the bonding exceeds one minute; after the work is completed, the external storage device can be inserted into the USB 1 interface 6 or the USB 2 interface 7, and the work information such as the log can be exported and saved for inspection or to summarize experience for subsequent process improvement.

[0040] When the material contact panel 32 is in contact with the FRP surface, the vibration transmission rod 20 squeezes the high-precision spring 28, so that the vibration telescopic long rod 22 and the vibration telescopic short rod 24 contract in the same direction, and the elastic force provided can strengthen the contact between the material contact panel 32 and the FRP surface; the upper end of the vibration transmission rod 20 is connected to the vibration transmission module 21, and the vibration transmission module 21 is connected to the magnetic suspension motor 25, which can effectively transmit vibration;

[0041] Preferably, if an emergency occurs during operation, the emergency stop knob 11 can be pressed, and the device stops vibrating and enters the detection mode; then the emergency stop knob 11 can be turned to release the emergency stop state, and the switch button 1 can be pressed again to enter the working mode;

[0042] Preferably, the hardness adjuster is in threaded engagement with the vibration conduction rod, that is, a threaded portion of a certain length is provided on the vibration conduction rod, and the hardness adjuster is in threaded engagement on the threaded portion. Before entering the working mode, the hardness adjuster 27 can be rotated to adjust the telescopic length of the high-precision spring 28, so that the downward pressure resistance of the material contacting the panel 32 reaches the optimal state, improving the working efficiency.

[0043] It should be noted that the buzzer 12 of the present utility model will not only give an alarm after the fitting exceeds one minute, but also give an alarm in the case of low voltage, equipment failure, etc., ensuring the safety and reliability of the equipment to the greatest extent.

[0044] The above-described embodiments have further detailed the purpose, technical solution, and beneficial effects of the present utility model. It should be understood that the above is only a specific embodiment of the present utility model and is not used to limit the protection scope of the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A device for detecting and repairing trapped bubbles in glass fiber reinforced plastics, characterized by: include: An ultrasonic panel (30) is used to detect the distribution of bubbles on the surface of the glass fiber reinforced plastic, and a window is provided in the center of the ultrasonic panel; a material contact panel (32) is embedded in the window and protrudes outward; a vibration transmission rod (20) is fixedly connected at one end to a side of the material contact panel facing away from the glass fiber reinforced plastic; a magnetic levitation motor (25) is connected at one end to the vibration transmission rod; a fuselage (10) is flexibly connected to the other end of the magnetic levitation motor; and a display panel (8) is arranged on a side of the fuselage facing away from the vibration transmission rod and is connected to the magnetic levitation motor and the ultrasonic panel signal.

2. A device for detecting and repairing trapped bubbles in glass fiber reinforced plastics as claimed in claim 1, characterized in that: A short infrared lamp (33), a long infrared lamp (34) and a high-speed infrared camera (35) connected to the body signal are distributed on the side of the ultrasonic panel facing the material.

3. The device for detecting and repairing trapped bubbles in glass fiber reinforced plastics as claimed in claim 1, characterized in that: The ultrasonic panel is connected to the material contact panel via a flexible connecting belt (31).

4. A device for detecting and repairing trapped bubbles in glass fiber reinforced plastics as claimed in claim 3, characterized in that: The vibration transmission rod comprises: a vibration transmission module (21), a vibration telescopic long rod (22), a vibration telescopic module (23) and a vibration telescopic short rod (24) which are connected in sequence; one end of the vibration telescopic long rod is fixedly connected to the vibration transmission module and the other end is sleeved on the vibration telescopic module; one end of the vibration telescopic short rod is sleeved on the vibration telescopic module and the other end is connected to the material contact panel.

5. A device for detecting and repairing trapped bubbles in glass fiber reinforced plastics as claimed in claim 4, characterized in that: The other end of the vibration telescopic short rod is a circular enlarged portion.

6. The device for detecting and repairing trapped bubbles in glass fiber reinforced plastics as claimed in claim 1, characterized in that: A hardness adjuster (27) and a spring (28) are sleeved on the vibration transmission rod, and the spring is located between the hardness adjuster and the other end of the vibration transmission rod.

7. A device for detecting and repairing trapped bubbles in glass fiber reinforced plastics as claimed in claim 4, characterized in that: The magnetic suspension motor is wrapped with a buffer sleeve (26).

8. The device for detecting and repairing trapped bubbles in glass fiber reinforced plastics as claimed in claim 4, characterized in that: The magnetic suspension motor is connected to the fuselage (10) via a buffer ring (29).

9. The device for detecting and repairing trapped bubbles in glass fiber reinforced plastics as claimed in claim 1, characterized in that: Handles (9) are fixedly connected to both sides of the body.

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