Heat exchange sheet surface damage detection device

Abstract

The utility model relates to a heat exchange sheet surface damage detection device which comprises a first conveyor belt and a second conveyor belt which are arranged in sequence, inspection devices are arranged on the first conveyor belt and the second conveyor belt, a turn-over device is arranged between the first conveyor belt and the second conveyor belt, and the turn-over device comprises a support. A U-shaped clamp driven by a motor to rotate is arranged on the support, the U-shaped clamp comprises a lower clamp body and an upper clamp body, an air cylinder fixedly connected through an air cylinder support is connected to the lower clamp body, and the movable end of the air cylinder is fixedly connected with the upper clamp body. The heat exchange plate turnover device is reasonable in structure, the heat exchange plate is turned over through the turnover device, damage detection is conducted on the top face and the bottom face of the heat exchange plate through the industrial camera, defective products can be found in time for follow-up treatment, precision is high, and time and labor are saved.

Description

Technical Field

[0001] The utility model relates to the field of heat exchanger plate stamping quality detection devices, in particular to a heat exchange plate surface damage detection device. Background Art

[0002] A plate heat exchanger is a highly efficient heat exchanger composed of a series of stacked, corrugated metal sheets. It boasts high heat transfer efficiency, minimal heat loss, a compact and lightweight structure, a small footprint, wide applications, and a long service life. The heat exchanger plates are the most critical component of a plate heat exchanger. Defects on the plate surface can, at best, reduce the heat exchanger's service life and affect heat transfer efficiency, while at worst, they can cause damage such as perforation and liquid cross-contamination. Existing inspection systems typically require manual flipping of the plate to inspect the backside, a cumbersome operation that can easily lead to errors and omissions, affecting test results. Utility Model Content

[0003] In order to overcome the above-mentioned deficiencies of the existing problems, the utility model provides a device for detecting surface damage of a heat exchanger fin.

[0004] The technical solution adopted by the utility model to solve its technical problems is: a device for detecting surface damage of a heat exchanger, comprising a first conveyor belt and a second conveyor belt arranged in sequence, an inspection device being provided on the first conveyor belt and the second conveyor belt, a flipping device being provided between the first conveyor belt and the second conveyor belt, the flipping device comprising a bracket, a U-shaped clamp which is rotated by a motor being provided on the bracket, the U-shaped clamp comprising a lower clamp and an upper clamp, the lower clamp being connected to a cylinder fixedly connected by a cylinder bracket, the movable end of the cylinder being fixedly connected to the upper clamp, when in use, the upper clamp is driven by the cylinder to clamp the heat exchanger located in the flipping device, and the lower clamp is driven by the motor to drive the heat exchanger to complete the flipping work.

[0005] Preferably, the inspection device includes an inspection bracket fixedly connected to the side of the conveyor belt, and an industrial camera and a photoelectric tracking device are provided on the inspection bracket. When in use, the photoelectric tracking device detects the heat exchange plate, the industrial camera takes a photo, and transmits the photo to a subsequent analysis device for processing to detect whether there are cracks, burrs or other surface damage.

[0006] Preferably, a slider is provided at the joint between the upper clamp and the lower clamp, and a sliding groove for use with the slider is provided in the lower clamp, so that the upper clamp will not be skewed when tightening or loosening the heat exchange plate.

[0007] Preferably, a plurality of driven rollers are provided at the clamping positions of the upper clamp and the lower clamp to prevent unnecessary friction between the heat exchanger and the clamp when the conveyor belt transports the heat exchanger into the turning device.

[0008] Preferably, a sensor is provided in the lower clamp, and when the heat exchange plate approaches the sensor, the cylinder drives the upper clamp to press downward.

[0009] Preferably, the motor is fixedly connected to the lower clamp via a rotating shaft, a limiting block is fixedly connected to one side of the rotating shaft, and a limiting groove is provided in the bracket for use with the limiting block to prevent excessive movement of the flipping device, which may result in failure to transport the heat exchanger normally.

[0010] Preferably, the length of the lower clamp and the upper clamp is between 1 / 2 and 2 / 3 of the length of the heat exchange fin.

[0011] The beneficial effect of the present invention is that the heat exchange plate is turned over by the turning device, and the top and bottom surfaces of the heat exchange plate are detected for damage by the industrial camera, so that defective products can be discovered in time for subsequent processing, with high accuracy and saving time and effort. In addition, a number of driven rollers are provided at the clamping positions of the upper clamp and the lower clamp. When the conveyor belt transports the heat exchange plate into the turning device, unnecessary friction between the heat exchange plate and the clamp is prevented, and the turning angle of the lower clamp is limited by the limit block and the limit groove to prevent the lower clamp from rotating excessively. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0013] Figure 1 It is the main view of the utility model;

[0014] Figure 2 It is a right side view of the utility model;

[0015] Figure 3 It is a cross-sectional view of the turning device of the utility model;

[0016] Figure 4 It is a cross-sectional view of the U-shaped clamp of the utility model;

[0017] In the figure, 1. first conveyor belt; 2. second conveyor belt; 3. inspection device; 4. turning device; 5. bracket; 6. motor; 7. U-shaped clamp; 8. lower clamp; 9. cylinder bracket; 10. upper clamp; 11. cylinder; 12. inspection bracket; 13. industrial camera; 14. photoelectric tracking device; 15. driven roller; 16. sensor; 17. rotating shaft; 18. limit block; 19. limit groove; 20. slider; 21. slide groove. DETAILED DESCRIPTION

[0018] All features disclosed in this specification, or all steps in the disclosed methods or processes, except mutually exclusive features and / or steps, can be combined in any manner.

[0019] Any feature disclosed in this specification (including any appended claims, abstract, and drawings), unless otherwise stated, may be replaced by other equivalent or similar features. In other words, unless otherwise stated, each feature is only an example of a series of equivalent or similar features.

[0020] like Figure 1-4 The device shown is a surface damage detection device for a heat exchanger, comprising a first conveyor belt 1 and a second conveyor belt 2 arranged in sequence, wherein the first conveyor belt 1 and the second conveyor belt 2 are both provided with an inspection device 3, and a flipping device 4 is provided between the first conveyor belt 1 and the second conveyor belt 2, wherein the flipping device 4 comprises a bracket 5, and a U-shaped clamp 7 driven to rotate by a motor 6 is provided on the bracket 5, and the U-shaped clamp 7 comprises a lower clamp 8 and an upper clamp 10, and the lower clamp 8 is connected to a cylinder 11 fixedly connected by a cylinder bracket 9, and the movable end of the cylinder 11 is fixedly connected to the upper clamp 10. When in use, the upper clamp 10 is driven by the cylinder 11 to clamp the heat exchanger in the flipping device 4, and the lower clamp 8 is driven by the motor 6 to drive the heat exchanger to complete the flipping work.

[0021] The inspection device 3 includes an inspection bracket 12 fixedly connected to the side of the conveyor belt. The inspection bracket 12 is provided with an industrial camera 13 and a photoelectric tracking device 14. When in use, the photoelectric tracking device 14 detects the heat exchange plate, the industrial camera 13 takes a photo, and transmits the photo to a subsequent analysis device for processing to detect whether there are cracks, burrs or other surface damage.

[0022] A slider 20 is provided at the joint between the upper clamp 10 and the lower clamp 8, and a slide groove 21 is provided in the lower clamp 8 for use with the slider 20, so that the upper clamp 10 will not be skewed when tightening or loosening the heat exchange plate.

[0023] A plurality of driven rollers 15 are provided at the clamping positions of the upper clamp 10 and the lower clamp 8 to prevent unnecessary friction between the heat exchanger and the clamp when the conveyor belt transports the heat exchanger into the turning device 4 .

[0024] The lower clamp 8 is provided with a sensor 16 . When the heat exchange plate approaches the sensor 16 , the cylinder 11 drives the upper clamp 10 to press downward.

[0025] The motor 6 is fixedly connected to the lower clamp 8 via a rotating shaft 17, one side of the rotating shaft 17 is fixedly connected to a limiting block 18, and a limiting groove 19 is provided in the bracket 5 for use with the limiting block 18 to prevent excessive movement of the flipping device 4, which may cause failure to transport the heat exchange plate normally.

[0026] The length of the lower clamp 8 and the upper clamp 10 is between 1 / 2 and 2 / 3 of the length of the heat exchange fin. Specific embodiments

[0027] The first conveyor belt 1 transports the heat exchange plate through the inspection device 3 to complete the surface damage detection. Then the first conveyor belt 1 drives the heat exchange plate to move to the turning device 4. The cylinder 11 drives the upper clamp 10 to press down to fix the heat exchange plate in the turning device 4. Then the motor 6 drives the lower clamp 8 to drive the heat exchange plate to turn over. At this time, the end of the heat exchange plate is located above the second conveyor belt 2. The cylinder 11 drives the upper clamp 10 and the heat exchange plate to move downward, so that the heat exchange plate is in contact with the second conveyor belt 2. The second conveyor belt 2 drives the heat exchange plate to separate from the turning device 4 and pass through the inspection device 3 for surface damage detection on the bottom surface.

[0028] This design is ingenious. The heat exchanger is turned over by a turning device, and the top and bottom surfaces of the heat exchanger are detected for damage by an industrial camera. Defective products can be discovered in time for subsequent processing. It has high precision and saves time and effort. In addition, a number of driven rollers are provided at the clamping positions of the upper clamp and the lower clamp. When the conveyor belt transports the heat exchanger into the turning device, unnecessary friction between the heat exchanger and the clamp is prevented. The limit block and the limit slot are used to limit the turning angle of the lower clamp to prevent the lower clamp from rotating excessively.

[0029] The present invention is not limited to the aforementioned specific embodiments, but extends to any new features or any new combination disclosed in this specification, as well as any new method or process steps or any new combination disclosed.

Claims

1. A device for detecting surface damage of a heat exchanger fin, characterized by: The invention comprises a first conveyor belt (1) and a second conveyor belt (2) which are arranged in sequence, wherein the first conveyor belt (1) and the second conveyor belt (2) are both provided with an inspection device (3), and a turning device (4) is provided between the first conveyor belt (1) and the second conveyor belt (2), wherein the turning device (4) comprises a bracket (5), and a U-shaped clamp (7) which is driven to rotate by a motor (6) is provided on the bracket (5), and the U-shaped clamp (7) comprises a lower clamp (8) and an upper clamp (10), and the lower clamp (8) is connected to a cylinder (11) which is fixedly connected via a cylinder bracket (9), and the movable end of the cylinder (11) is fixedly connected to the upper clamp (10).

2. The heat exchanger fin surface damage detection device according to claim 1, characterized in that: The inspection device (3) comprises an inspection bracket (12) fixedly connected to the side of the conveyor belt, and an industrial camera (13) and a photoelectric tracking device (14) are provided on the inspection bracket (12).

3. The heat exchanger fin surface damage detection device according to claim 1, characterized in that: A slider (20) is provided at the joint between the upper clamp (10) and the lower clamp (8), and a slide groove (21) for use with the slider (20) is provided in the lower clamp (8).

4. The heat exchanger surface damage detection device according to claim 2, characterized in that: A plurality of driven rollers (15) are provided at the clamping positions of the upper clamp (10) and the lower clamp (8).

5. The heat exchanger surface damage detection device according to claim 2, characterized in that: A sensor (16) is provided in the lower clamp (8).

6. The heat exchanger fin surface damage detection device according to claim 1, characterized in that: The motor (6) is fixedly connected to the lower clamp (8) via a rotating shaft (17), one side of the rotating shaft (17) is fixedly connected to a limiting block (18), and a limiting groove (19) for use with the limiting block (18) is provided in the bracket (5).

7. The heat exchanger fin surface damage detection device according to claim 1, characterized in that: The length of the lower clamp (8) and the upper clamp (10) is between 1 / 2 and 2 / 3 of the length of the heat exchange plate.

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