Tubular workpiece surface magnetic memory automatic detection device

Abstract

The utility model discloses a tubular workpiece surface magnetic memory automatic detection device, which relates to the technical field of magnetic memory detection and comprises an equipment shell, a movable sliding chute is arranged on the upper surface of the equipment shell, a protective cover is fixedly mounted at one end of the equipment shell, and a driving mechanism is arranged on the equipment shell. The driving mechanism comprises a driving lead screw movably installed in the equipment shell, a driving motor is fixedly installed on the protective cover, a driving shaft is fixedly installed at the output tail end of the driving motor, one end of the driving lead screw is fixedly installed on a first transmission shaft, a first clutch is arranged on the first transmission shaft, and a lead screw nut is arranged on the driving lead screw. A translation frame is fixedly installed on the lead screw nut, a detection probe is fixedly installed on the translation frame, and a positioning mechanism is arranged on the equipment shell. According to the tubular workpiece surface magnetic memory automatic detection device, through cooperative use of the driving mechanism and the positioning mechanism, manual work can be replaced to automatically detect the tubular workpiece, and the situation of missing detection is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of detection, in particular to an automatic magnetic memory detection device for the surface of a tubular workpiece. Background Art

[0002] The Metal Magnetic Memory Tester is a nondestructive testing device based on the principles of metal magnetic memory technology. It is primarily used to detect stress concentration areas and potential defects in ferromagnetic components. This technology exploits the unique interaction between the Earth's magnetic field and stress concentration areas in metal components. By recording and analyzing the distribution of the self-leaking magnetic field generated in stress concentration areas of parts and equipment, it can detect stress states and defects in ferromagnetic components.

[0003] A metal magnetic memory detector consists of a detector body and a detection probe. When inspecting tubular workpieces, the user holds the detection probe and moves it along the workpiece surface, scanning the entire tubular workpiece in one go. However, this requires the user to rotate the workpiece to adjust the inspection position, which doesn't guarantee that every part of the workpiece will be scanned, leading to missed inspections. Utility Model Content

[0004] The purpose of the utility model is to provide a device for automatically detecting magnetic memory on the surface of a tubular workpiece, so as to solve the problem of missed detection in the prior art.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a device for automatically detecting the surface magnetic memory of a tubular workpiece, comprising a device housing, a movable slide groove being provided on the upper surface of the device housing, a device base being fixedly mounted on the bottom of the device housing, a protective cover being fixedly mounted on one end of the device housing, a driving mechanism being provided on the device housing, the driving mechanism comprising a driving screw movably mounted in the device housing, a driving motor being fixedly mounted on the protective cover, a driving shaft being fixedly mounted on the output end of the driving motor, one end of the driving screw being fixedly mounted on a first transmission shaft, and the first transmission shaft being provided with a The first clutch, the driving screw is provided with a screw nut, the screw nut is fixedly mounted on the translation frame, the translation frame is fixedly mounted on the detection probe, the device housing is provided with a positioning mechanism, the positioning mechanism includes a fixed clamping block fixedly mounted on the device housing, a dynamic clamping block is movably mounted on the device housing, and a limiting cone is movably mounted on both the fixed clamping block and the dynamic clamping block, a second transmission shaft is movably mounted on the fixed clamping block, and a limiting cone is fixed at the end of the second transmission shaft, a second clutch is provided on the second transmission shaft, a positioning support foot is fixedly mounted on the dynamic clamping block, and the dynamic clamping block can move along the movable slide groove.

[0006] Preferably, the driving shaft, the first transmission shaft and the second transmission shaft are all provided with helical gears, and the helical gears are meshed with each other, so that the driving shaft can drive the first transmission shaft and the second transmission shaft to rotate.

[0007] Preferably, a coupling is provided at the output end of the drive motor, and the drive shaft is fixed to the output end of the drive motor through the coupling, so that the drive motor can drive the drive shaft to rotate.

[0008] Preferably, a retaining frame is provided in the device housing, and the driving screw is movably mounted in the device housing through the retaining frame, and the first driving shaft can drive the driving screw to rotate.

[0009] Preferably, a limiting screw is threadedly installed on the positioning foot, and an adjusting screw hole is provided on the device housing.

[0010] Preferably, a sliding foot is provided at the bottom of the movable clamping block, and the sliding foot is movably installed in a movable sliding groove.

[0011] Preferably, the movable clamping block is movably mounted on the equipment base through a movable slide groove, and the movable clamping block is aligned front to back with the fixed clamping block, and the limiting screw is connected to the equipment housing through an adjusting screw hole.

[0012] The beneficial effects of the utility model are:

[0013] 1. The utility model can drive the driving shaft to rotate through the driving motor, thereby driving the first transmission shaft to rotate. After the first transmission shaft rotates, it will drive the driving screw to rotate, thereby driving the screw nut to move back and forth. After the screw nut moves back and forth, it will drive the detection probe on the translation frame to move along the tubular workpiece, thereby automatically replacing manual inspection of the tubular workpiece.

[0014] 2. The utility model can position tubular workpieces of different lengths between the limiting cones, and after tightening the limiting screw, the tubular workpiece can be kept fixed. At the same time, the driving shaft can drive the second transmission shaft to rotate. After the second transmission shaft rotates, it will drive the limiting cone to rotate, automatically adjusting the detection position of the detection probe to reduce the occurrence of missed detections. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0016] Figure 2 It is a schematic diagram of the local structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the driving mechanism of the utility model;

[0018] Figure 4 This is a schematic diagram of the positioning mechanism of the present utility model.

[0019] Numbers in the figure:

[0020] 1. Equipment housing; 2. Movable slide; 3. Equipment base; 4. Protective cover; 5. Detection probe;

[0021] 6. Driving mechanism; 601. Driving motor; 602. Driving shaft; 603. Bevel gear; 604. First transmission shaft; 605. First clutch; 606. Driving screw; 607. Screw nut; 608. Translation frame;

[0022] 7. Positioning mechanism; 701. Second transmission shaft; 702. Second clutch; 703. Fixed clamping block; 704. Limiting cone; 705. Moving clamping block; 706. Limiting screw; 707. Adjusting screw hole; 708. Positioning support foot. DETAILED DESCRIPTION

[0023] To make the above-mentioned objects, features, and advantages of the present invention more clearly understood, the following detailed description of specific embodiments of the present invention is provided in conjunction with the accompanying drawings. The following description sets forth many specific details to facilitate a full understanding of the present invention. However, the present invention can be implemented in many other ways than those described herein, and those skilled in the art may make similar modifications without departing from the scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0024] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the art to which this invention pertains. The terms used herein in the specification of this invention are intended only to describe specific embodiments and are not intended to limit the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0025] like Figure 1 and Figure 2 As shown, the utility model provides a technical solution for an automatic detection device for magnetic memory on the surface of a tubular workpiece, comprising a device shell 1, a movable slide groove 2 being provided on the upper surface of the device shell 1, a device base 3 being fixedly installed on the bottom of the device shell 1, a protective cover 4 being fixedly installed on one end of the device shell 1, a driving mechanism 6 being provided on the device shell 1, a translation frame 608 being fixedly installed on the screw nut 607, a detection probe 5 being fixedly installed on the translation frame 608, and a positioning mechanism 7 being provided on the device shell 1. By cooperating with the driving mechanism 6 and the positioning mechanism 7, the tubular workpiece can be automatically detected instead of manually, thereby reducing the occurrence of missed detections.

[0026] like Figure 2 and Figure 3As shown, the driving mechanism 6 includes a driving screw 606 movably mounted in the device housing 1, a driving motor 601 is fixedly mounted on the protective cover 4, a driving shaft 602 is fixedly mounted on the output end of the driving motor 601, one end of the driving screw 606 is fixedly mounted on the first transmission shaft 604, a first clutch 605 is provided on the first transmission shaft 604, a screw nut 607 is provided on the driving screw 606, a translation frame 608 is fixedly mounted on the screw nut 607, a detection probe 5 is fixedly mounted on the translation frame 608, and a bevel gear 603 is provided on the driving shaft 602, the first transmission shaft 604 and the second transmission shaft 701, and the bevel gears 603 are meshed together in pairs, and the driving shaft 602 is fixed to the output end of the driving motor 601 through a coupling.

[0027] Specifically, the driving motor 601 can drive the driving shaft 602 to rotate, thereby driving the first transmission shaft 604 to rotate. After the first transmission shaft 604 rotates, it will drive the driving screw 606 to rotate, thereby driving the screw nut 607 to move back and forth. After the screw nut 607 moves back and forth, it will drive the detection probe 5 on the translation frame 608 to move along the tubular workpiece, thereby automatically detecting the tubular workpiece instead of manually.

[0028] like Figure 2 and Figure 4 As shown, the positioning mechanism 7 includes a fixed clamping block 703 fixedly mounted on the device housing 1, a movable clamping block 705 movably mounted on the device housing 1, a limiting cone 704 movably mounted on both the fixed clamping block 703 and the movable clamping block 705, a second transmission shaft 701 movably mounted on the fixed clamping block 703, and a limiting cone 704 is fixed at the end of the second transmission shaft 701, a second clutch 702 is provided on the second transmission shaft 701, a positioning support foot 708 is fixedly mounted on the movable clamping block 705, a limiting screw 706 is threadedly mounted on the positioning support foot 708, an adjusting screw hole 707 is opened on the device housing 1, the movable clamping block 705 is movably mounted on the device base 3 through a movable slide groove 2, and the movable clamping block 705 is aligned front and back with the fixed clamping block 703.

[0029] Specifically, after tubular workpieces of different lengths are positioned between the limiting cones 704, the limiting screw 706 can be tightened to keep the tubular workpiece fixed, and the driving shaft 602 can drive the second transmission shaft 701 to rotate. After the second transmission shaft 701 rotates, it will drive the limiting cone 704 to rotate, automatically adjusting the detection position of the detection probe 5 to reduce the occurrence of missed detections.

[0030] The working principle of this utility model is as follows:

[0031] During use, a tubular workpiece is first placed between the limiting cones 704. After the tubular workpiece is placed between the limiting cones 704, the clamping block 705 can be pushed forward to position tubular workpieces of different lengths between the limiting cones 704. After the tubular workpieces of different lengths are positioned between the limiting cones 704, the first clutch 605 can be controlled to engage. After the first clutch 605 is engaged, the drive motor 601 is started. Since the drive shaft 602, the first transmission shaft 604, and the second transmission shaft 701 are all equipped with helical gears 603, the helical gears 603 are meshed together. Therefore, after starting the drive motor 601, it will drive the drive shaft 602 to rotate. After the drive shaft 602 rotates, it will drive the first transmission shaft 604 to rotate. After the first transmission shaft 604 rotates, it will drive the drive screw 606 to rotate. After the drive screw 606 rotates, it will drive the screw nut 607 to move back and forth. After the screw nut 607 moves back and forth, it will drive the detection probe 5 on the translation frame 608 to move along the tubular workpiece, thereby replacing manual automatic detection of the tubular workpiece and improving the detection accuracy.

[0032] And control the first clutch 605 to separate, after the first clutch 605 is separated, the second clutch 702 can be controlled to engage, after the second clutch 702 is engaged, the drive shaft 602 can drive the second transmission shaft 701 to rotate, and after the second transmission shaft 701 rotates, it will drive the limiting cone 704 to rotate, automatically adjust the detection position of the detection probe 5, and reduce the occurrence of missed detection.

[0033] The specific embodiments described above further illustrate the purpose, technical solutions and beneficial effects of the present invention in detail. It should be understood that the above description is only a specific embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A device for automatically detecting magnetic memory on the surface of a tubular workpiece, comprising a device housing (1), wherein a movable slide groove (2) is provided on the upper surface of the device housing (1), a device base (3) is fixedly mounted on the bottom of the device housing (1), and a protective cover (4) is fixedly mounted on one end of the device housing (1), characterized in that: The device housing (1) is provided with a driving mechanism (6), the driving mechanism (6) comprising a driving screw (606) movably mounted in the device housing (1), a driving motor (601) fixedly mounted on the protective cover (4), a driving shaft (602) fixedly mounted on the output end of the driving motor (601), one end of the driving screw (606) fixedly mounted on a first transmission shaft (604), a first clutch (605) provided on the first transmission shaft (604), a screw nut (607) provided on the driving screw (606), a translation frame (608) fixedly mounted on the screw nut (607), and a translation frame (608) fixedly mounted on the translation frame (608). A detection probe (5) is installed, and a positioning mechanism (7) is provided on the device housing (1). The positioning mechanism (7) includes a fixed clamping block (703) fixedly installed on the device housing (1), a movable clamping block (705) movably installed on the device housing (1), and a limiting cone (704) is movably installed on both the fixed clamping block (703) and the movable clamping block (705). A second transmission shaft (701) is movably installed on the fixed clamping block (703), and the limiting cone (704) is fixed at the end of the second transmission shaft (701). A second clutch (702) is provided on the second transmission shaft (701), and a positioning support foot (708) is fixedly installed on the movable clamping block (705).

2. The automatic magnetic memory detection device for the surface of a tubular workpiece according to claim 1, characterized in that: The driving shaft (602), the first transmission shaft (604) and the second transmission shaft (701) are all provided with helical gears (603), and the helical gears (603) are meshed with each other.

3. The automatic magnetic memory detection device for the surface of a tubular workpiece according to claim 2, characterized in that: The output end of the drive motor (601) is provided with a coupling, and the drive shaft (602) is fixed to the output end of the drive motor (601) via the coupling.

4. The automatic magnetic memory detection device for the surface of a tubular workpiece according to claim 3, characterized in that: A retaining frame is provided in the device housing (1), and the driving screw (606) is movably mounted in the device housing (1) via the retaining frame.

5. The automatic magnetic memory detection device for the surface of a tubular workpiece according to claim 4, characterized in that: A limiting screw (706) is threadedly mounted on the positioning foot (708), an adjusting screw hole (707) is provided on the device housing (1), and the limiting screw (706) is connected to the device housing (1) through the adjusting screw hole (707).

6. The automatic magnetic memory detection device for the surface of a tubular workpiece according to claim 1, characterized in that: The bottom of the movable clamping block (705) is provided with a sliding support foot, and the sliding support foot is movably installed in the movable sliding groove (2).

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