一种铅带内部缺陷超声波无损检测工装
By setting a positioning device and a coupling medium spraying device on the lead strip, the interference of saponification liquid oil film and oxide layer is eliminated, realizing efficient and accurate online detection of lead strip defects. This solves the problem of poor detection accuracy in the existing technology and improves production efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CAMEL GROUP HUAZHONG BRANCH CO LTD
- Filing Date
- 2025-06-16
- Publication Date
- 2026-07-17
AI Technical Summary
Existing technologies struggle to achieve efficient and accurate online detection of lead strip defects in continuous production processes, especially due to the interference of the saponification liquid oil film and oxide layer on ultrasonic wave reflection, resulting in poor detection accuracy.
An ultrasonic non-destructive testing fixture for internal defects in lead strips was designed, including a lead strip positioning device, a coupling medium spraying device, and an ultrasonic testing device. The coupling medium is sprayed onto the surface of the lead strip by an array of probes and the coupling medium spraying device to eliminate the interference of saponified liquid oil film and oxide layer, thereby achieving full-width coverage testing.
It improves the accuracy and efficiency of detection, enabling problems to be detected immediately during continuous production, reducing waste caused by lead strip defects, and improving enterprise production efficiency.
Smart Images
Figure CN224518652U_ABST
Abstract
Claims
1. A lead strip internal defect ultrasonic nondestructive testing tool, which is arranged between a lead strip rolling mill and a winding device, characterized in that: Includes lead belt positioning device, coupling medium spraying device and ultrasonic testing device; The lead belt positioning device is at least two sets, and each set of the lead belt positioning device consists of two positioning rods (11) with adjustable spacing. The two positioning rods (11) of each set of the lead belt positioning device are respectively located on both sides of the lead belt (1). The coupling medium spraying device and the ultrasonic testing device are located directly above the lead strip (1); The coupling medium spraying device includes spray heads (4) arranged side by side along the width direction of the lead strip, and each spray head (4) is connected to the coupling medium storage tank via a spray pipe and a pump; The ultrasonic testing device includes an ultrasonic testing unit (6), a display screen (7), a sound wave transmitting and receiving device (5), and multiple ultrasonic probes (3) arranged in an array. Each ultrasonic probe (3) is connected to the sound wave transmitting and receiving device (5). The sound wave transmitting and receiving device (5) is used to transmit ultrasonic waves through the ultrasonic probes (3) and receive reflected waves reflected from the lead strip (1). The ultrasonic testing unit (6) is used to analyze and process the reflected waves and display the corresponding waveforms on the display screen (7).
2. The lead belt internal defect ultrasonic nondestructive testing tool of claim 1, wherein: Each of the ultrasonic probes (3) and each of the spray heads (4) are mounted on a support frame (12) that can be raised and lowered with the drive device.
3. The lead belt internal defect ultrasonic nondestructive testing tool according to claim 1 or 2, characterized in that: The positioning rod (11) is mounted on the adjusting plate (13) with adjustable position.
4. The lead belt internal defect ultrasonic nondestructive testing tool of claim 3, wherein: The positioning rod (11) is a stepped cylinder, and the small cylinder at the lower end of the positioning rod (11) is provided with external threads; The adjusting plate (13) has a long strip hole (14) extending along the width of the lead strip (1). After the lower end of the positioning rod (11) passes through the long strip hole (14), a fixing nut is installed at the end for positioning.
5. The lead belt internal defect ultrasonic non-destructive testing tool of claim 1, wherein: The ultrasonic probe operates at a frequency of 2.5-10MHz.
6. The lead belt internal defect ultrasonic non-destructive testing tool of claim 1, wherein: The coupling medium in the coupling medium storage tank is deionized water or ultrasonic coupling oil, and the spray pipe is equipped with a flow regulating valve.