Plate surface pit depth detection device

By designing a device for detecting the depth of pits on the surface of sheet metal, the problem of difficulty in measuring the depth of pits on the surface of medium and thick sheet metal is solved, providing an accurate detection method and ensuring that quality inspectors can accurately judge the surface quality of sheet metal.

CN223610757UActive Publication Date: 2025-11-28ANHUI SHOUGANG DACHANG METAL MATERIALS CO LTD
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Patent Information

Application Number
CN202423179332.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-23
Publication Date
2025-11-28
Estimated Expiration
2034-12-23

AI Technical Summary

Technical Problem

Existing technology cannot accurately measure the depth of tiny pits on the surface of medium-thick plates, making it impossible for quality inspectors to judge the surface quality of the plates.

Method used

A device for detecting the depth of pits on the surface of a sheet material was designed, including a base, a clamp, and a depth measuring device. The device measures the depth by inserting a connecting column and a pin into the pit, and calibrates the measuring device using a calibration plate to ensure measurement accuracy.

Benefits of technology

It enables precise detection of the depth of tiny pits on the surface of boards, providing a reliable measuring tool to help quality inspectors accurately judge the quality of boards.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a plate surface pit depth detection device, and relates to the technical field of plate detection. Comprising a base, a clamping device and a depth measurer, the depth measurer is provided with a connecting column and an ejector pin, the base is provided with a connecting hole for the connecting column to penetrate through, and the clamping device is arranged on the connecting column in a sleeving mode, located above the base and used for clamping and fixing the position, relative to the connecting column, of the base. The ejector pin penetrates through and extends out of the connecting column so as to be inserted into a pit in the surface of a plate to be measured for measurement, the device is simple in structure and reasonable in design, accurate detection of the depth of the small pit in the surface of the plate is achieved through cooperation of the base, the connecting column, the clamping device and the depth measurer, and the detection precision is improved. The limitation that a traditional vernier caliper cannot measure the depth of a small pit is overcome, and a reliable measuring tool is provided for quality inspectors, so that the surface quality condition of a plate can be accurately judged.
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Description

TECHNICAL FIELD

[0001] The application relates to the technical field of plate detection, in particular to a plate surface pit depth detection device. BACKGROUND

[0002] In medium plate production, small pits are formed on the plate surface due to the improper production process control causing the iron oxide scale to be pressed in and small foreign matters to be pressed in. Since the pit surface is small, the depth cannot be measured by using a vernier caliper, so that the quality inspector cannot judge whether the depth meets the national standard, and accurate opinions cannot be given on the judgment result.

[0003] Therefore, it is necessary to design a plate surface pit depth detection device to accurately detect and judge the depth of small pits on the plate surface, so as to facilitate the quality inspector to accurately inspect and judge the plate surface quality. SUMMARY

[0004] The plate surface pit depth detection device can solve the technical problem of medium plate surface pit depth detection.

[0005] The plate surface pit depth detection device comprises a base, a clamp and a depth measurer. The depth measurer is provided with a connecting column and a top pin. The base is provided with a connecting hole for the connecting column to penetrate. The clamp is sleeved on the connecting column and located above the base, and is used for clamping and fixing the position of the base relative to the connecting column. The top pin penetrates and extends out of the connecting column to insert into the pit on the surface of the plate to be measured.

[0006] Further, a calibration plate is arranged as a flat plane, which is used for calibrating and adjusting the depth measurer to be "0".

[0007] Further, the base is in an inverted V shape.

[0008] Further, the bottom end of the base is provided as a flat surface.

[0009] Further, the connecting column is provided with threads on the outer side, so that the clamp is screwed with the connecting column to fix the base relative to the connecting column.

[0010] Further, the depth measurer is provided with a screwing device arranged at the bottom end of the connecting column, which is used for screwing and fixing the position of the top pin extending out of the connecting column.

[0011] Further, the depth measurer is a press-type measurement table, which is provided with a pressing part at the top end.

[0012] The plate surface pit depth detection device has the following advantages:

[0013] The plate surface pit depth detection device provided by the utility model has the advantages of simple structure, reasonable design, accurate detection of the small pit depth on the plate surface through the cooperation of the base, the connecting column, the holder and the depth measurer, overcoming the limitation that the traditional vernier caliper cannot measure the small pit depth, providing a reliable measuring tool for the quality inspector, and thus the quality of the plate surface can be accurately judged. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments, and it should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation on the scope, and for those skilled in the art, other related drawings can also be obtained without creative labor on the basis of these drawings.

[0015] Figure 1 The structure schematic diagram in some embodiments of the utility model.

[0016] The reference signs are respectively:

[0017] The base 1, the connecting hole 11, the holder 2, the depth measurer 3, the connecting column 31, the thimble 32, the screwing device 33, the pressing part 34, the calibration plate 4. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the following will combine the drawings in the embodiments of the present application to clearly and completely describe the technical scheme in the embodiments of the present application, and obviously, the described embodiments are some of the embodiments of the present application, but not all the embodiments. The components of the embodiments of the present application described and shown in the drawings here can be arranged and designed in various different configurations.

[0019] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0020] It should be noted that like reference numerals and characters refer to like elements throughout the following description with like reference numerals and characters referring to like elements throughout the following description and across all drawings. It should be noted that like reference numerals and characters refer to like elements throughout the following description with like reference numerals and characters referring to like elements throughout the following description and across all drawings.

[0021] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly placed when the product of the application is used, and are only for the convenience of describing the application and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the application. In addition, the terms "first", "second", "third", and the like are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0022] In addition, the terms "horizontal", "vertical", "overhanging", and the like do not mean that the components must be absolutely horizontal or overhanging, but can be slightly inclined. For example, "horizontal" only means that it is more horizontal relative to "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0023] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "provided", "mounted", "connected", "connected" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements inside. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0024] Referring to Figure 1 As shown, the plate surface pit depth detection device described in the embodiment comprises a base 1, a holder 2 and a depth measurer 3, the depth measurer 3 has a connecting column 31 and a center pin 32, the base 1 is provided with a connecting hole 11 for the connecting column 31 to penetrate, the holder 2 is sleeved on the connecting column 31 and located above the base 1, used for clamping and fixing the position of the base 1 relative to the connecting column 31, the center pin 32 penetrates and extends out of the connecting column 31, used for inserting into the surface pit of the plate to be measured for measurement.

[0025] The embodiment has simple structure and reasonable design. Through cooperation of the base 1, the connecting column 31, the holder 2 and the depth measurer 3, the accurate detection of the small pit depth on the plate surface is realized, the limitation that the traditional vernier caliper cannot measure the small pit depth is overcome, a reliable measuring tool is provided for the quality inspector, and thus the plate surface quality condition can be accurately judged.

[0026] In some embodiments, the verification plate 4 is further included, which is arranged as a flat plane and used for verifying and adjusting the depth measurer 3 to be "0".

[0027] In the embodiment, the verification plate 4 is arranged to calibrate the depth measurer 3 to be "0", which guarantees the measurement accuracy. Through the preliminary calibration on the verification plate 4, the error of the depth measurer 3 itself can be eliminated, and the overall measurement accuracy is improved. When calibrating, the bottom surface of the base 1 and the top pin 32 are simultaneously attached to the flat surface of the verification plate 4, so that they are all located on the same straight line. At this time, the depth measurer 3 is "0", and the calibration is realized.

[0028] In some embodiments, the base 1 is inverted V-shaped.

[0029] Specifically, the bottom end of the base 1 is arranged as a flat surface.

[0030] In the embodiment, the base 1 is arranged as an inverted V shape, and the opening sides are convenient to be attached to the plate surface to be measured, so that the device can be more stably placed on the plate and fixed, better support and stability are provided, and thus the measurement accuracy is improved. The opening is convenient for the top pin 32 to extend and move to abut the pit on the plate surface.

[0031] In some embodiments, the connecting column 31 is externally provided with threads, so that the holder 2 is screwed with the connecting column 31, and the fixation of the base 1 relative to the connecting column 31 is realized.

[0032] In the embodiment, the holder 2 is screwed with the connecting column 31 through the threads arranged on the outer side of the connecting column 31, so that the firm fixation of the base 1 relative to the connecting column 31 is realized. The stability of the device is improved, and the position and height of the base 1 can be adjusted according to the measurement needs.

[0033] In some embodiments, the depth measurer 3 is provided with a screwing device 33 arranged at the bottom end of the connecting column 31, which is used for screwing and fixing the position of the top pin 32 extending out of the connecting column 31.

[0034] In the embodiment, the position of the top pin 32 is limited through the screwing device 33, so that the top pin 32 cannot move or deviate due to external force during the measurement, and thus the measurement accuracy and stability are guaranteed.

[0035] In some embodiments, the depth gauge 3 is provided as a press gauge with a press portion 34 at the top end thereof.

[0036] In this embodiment, the measurement is performed by using a press gauge in the prior art, which can be a height gauge or a depth gauge. During measurement, first calibration is performed, then the base 1 is attached to the surface of the board, the stylus 32 is inserted into the recess on the surface of the board and fixed, the inspector presses the button of the gauge head to read the data, so as to improve the convenience and efficiency of measurement.

[0037] The above merely provides preferred embodiments of the present application and is not intended to limit the present application. For those skilled in the art, the present application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A device for detecting the depth of a pit on a surface of a sheet material, characterized by: The utility model relates to a depth measuring device, including base, holder and depth measuring device, the depth measuring device has connecting post and stylus, the base is equipped with the connecting hole for the connecting post through, the holder is equipped with the connecting post and is located above the base for clamping and fixing the position of base relative to the connecting post, the stylus is through and extends the connecting post setting to insert the surface pit of the measured board and measures.

2. The apparatus for detecting the pit depth of a plate surface according to claim 1, characterized by: Also including the check board, the check board is set to the even plane, is used for checking and adjusting the depth measuring device's pointer is ''0''.

3. The apparatus for detecting the pit depth of a plate surface according to claim 1, characterized by: The base is inverted V type.

4. The apparatus for detecting the pit depth of a plate surface according to claim 3, characterized by: The bottom end of the base is set to the even plane.

5. The apparatus for detecting the pit depth of a plate surface according to claim 1, characterized by: The outside of the connecting post is equipped with the screw thread to make the holder with the connecting post screw joint, realizes the fixation of base relative to the connecting post.

6. The apparatus for detecting the pit depth of a plate surface according to claim 1, characterized by: The depth measuring device is equipped with the screw tight ware, and the screw tight ware is arranged at the bottom end of the connecting post and is used for screwing and fixing the position of the stylus extending out of the connecting post.

7. The apparatus for detecting the pit depth of a plate surface according to claim 1, characterized by: The depth measuring device is set to press type measuring table, and has the pressing part at the top end.