CN216525398U

CN216525398U - Metal surface defect detection device

Info

Publication number: CN216525398U
Application number: CN202122483707.0U
Authority: CN
Inventors: 朱飞龙; 倪亮; 董香芸
Original assignee: Universal Testing International Technology Group Co ltd
Current assignee: Universal Testing International Technology Group Co ltd
Priority date: 2021-10-15
Filing date: 2021-10-15
Publication date: 2022-05-13
Anticipated expiration: 2031-10-15

Abstract

The utility model discloses a metal surface defect detection device, which belongs to the technical field of detection devices, and the technical scheme is characterized by comprising a workbench, wherein a first air cylinder pushes a gear to move downwards, the gear can drive two toothed plates to move downwards due to the meshing of the gear and the toothed plates, the toothed plates drive sliding plates to move downwards in a sliding chute until a detection head on the lower end surface of each sliding plate is contacted with the surface of the metal plate, the two sliding plates can respectively drive the two detection heads to be contacted with the flat position and the defect position of the surface of the metal plate, when one detection head is contacted with the flat part, the other detection head continues to move downwards, the sliding plates and the toothed plates on the same side are simultaneously driven to move downwards, when the other detection head moves downwards, the gear can be driven to rotate until the other detection head is contacted with the concave part on the surface of the metal plate, further, a numerical difference exists between the two detection heads, and the difference between the two sliding plates can be found according to a scale mark on the front end surface of the sliding chute, therefore, the defect value of the surface of the metal plate can be detected, and manual detection is avoided.

Description

Metal surface defect detection device

Technical Field

The utility model relates to the technical field of detection devices, in particular to a metal surface defect detection device.

Background

In the process of using the metal workpiece, surface defects (such as critical part structural damage, geometric discontinuity defects, and the like) are easily generated due to fatigue aging or severe environment, and thus the performance and durability of the metal workpiece are significantly reduced.

However, in the existing metal detection, a handheld detection device is usually adopted to detect metal devices, and when a large number of metal devices need to be detected, the detection is possibly not accurate enough due to the detection of a handheld device, and the metal plate cannot be fixed during the detection, so that the detection result is influenced.

SUMMERY OF THE UTILITY MODEL

The present invention provides a metal surface defect detecting device to solve the above problems.

The utility model is realized in such a way, the metal surface defect detection device comprises a workbench, the upper end surface of the workbench is fixedly connected with a top plate and a detection device, the detection device is arranged below the top plate and comprises a fixed frame, a first air cylinder is arranged above the fixed frame, the output end of the first air cylinder penetrates through the fixed frame, extends into the fixed frame and is movably connected with a gear through a connecting block, sliding grooves are respectively arranged on the left side and the right side of the inner wall of the fixed frame, sliding plates are respectively connected in the two sliding grooves in a sliding manner, toothed plates meshed with the gear are respectively arranged on the sections, opposite to the two sliding plates, of the two sliding plates, and the detection device is positioned above the fixed device;

the fixing device is installed on the upper end face of the workbench and comprises two fixing plates, the lower end faces of the fixing plates are fixedly connected with the upper end face of the workbench, sleeves are installed on one sections, opposite to the fixing plates, of the two sections, sleeves are inserted into the inner portions of the ends, opposite to the sleeves, of the sleeves, and the placing plates are installed on the sections, opposite to the sleeves, of the two sections.

In order to accurately detect the defects on the surface of the metal plate, the metal surface defect detection device is preferably provided with a guide rail arranged on the lower end surface of the top plate, a slide block is connected to the lower end surface of the guide rail in a sliding manner, a moving plate is arranged on the lower end surface of the slide block, the upper end surface of the first air cylinder is fixedly connected with the lower end surface of the moving plate, a second air cylinder is arranged on the left side of the inner wall of the workbench, and the output end of the second air cylinder is fixedly connected with the left side of the moving plate.

In order to restore the extrusion plates and the loop bars to the original positions, the metal surface defect detection device is preferably provided with springs arranged inside the two sleeves, the extrusion plates are fixedly connected to the ends, opposite to each other, of the two loop bars, and the other ends of the two extrusion plates are in contact with the springs.

In order to facilitate the defect detection of the metal plate, the metal surface defect detection device of the utility model is preferable that the lower end surfaces of the two sliding plates are respectively provided with a detection head.

In order to more stably place the metal plate on the upper end surface of the placing plate, it is preferable that the metal surface defect detecting device of the present invention is configured such that magnet pieces are mounted on the upper end surfaces of both of the placing plates, and both of the placing plates have an L-shape.

In order to accurately check the difference between the two sliding plates, the metal surface defect detection device provided by the utility model is preferable in that the front end surfaces of the two sliding grooves are provided with scale marks.

Compared with the prior art, the utility model has the beneficial effects that:

1. the metal surface defect detection device is convenient for detecting the defects on the surface of a metal plate through the detection device, specifically, the first air cylinder is started to enable the first air cylinder to push the gear to move downwards, the gear can drive the two toothed plates to move downwards due to the meshing of the gear and the toothed plates, the toothed plates are enabled to drive the sliding plates to move downwards in the sliding grooves until the detection heads on the lower end surfaces of the sliding plates are contacted with the surface of the metal plate, meanwhile, the two sliding plates can respectively drive the two detection heads to be contacted with the flat position and the defect position of the surface of the metal plate respectively, when one detection head is contacted with the flat part, the other detection head continues to move downwards due to no supporting force, simultaneously drives the sliding plates on the same side of the toothed plates and moves downwards, when the toothed plates move downwards, the gear can be driven to rotate until the other detection head is contacted with the concave part of the surface of the metal plate, and further, a numerical difference occurs between the two detection heads, the difference between the two sliding plates can be seen according to the scale marks on the front end surface of the sliding chute, so that the defect value of the surface of the metal plate can be detected, and the problem of inaccurate detection caused by manual detection is avoided;

2. this kind of metal surface defect detection device, can carry out the centre gripping to the metal sheet that needs detected through fixing device and fix, specifically can place the metal sheet that needs detected through placing the board, can extrude two sides of placing the board according to the size of metal sheet simultaneously, make and place the board and extrude the loop bar, and then can make the loop bar atress get into the sleeve, until placing the metal sheet completely between two boards of placing, thereby realized the fixed displacement of avoiding of metal sheet, improved the follow-up rate of accuracy that detects the metal sheet.

Drawings

FIG. 1 is a schematic diagram of a metal surface defect inspection apparatus according to the present invention;

FIG. 2 is a cross-sectional view of a metal surface defect detecting apparatus according to the present invention;

fig. 3 is a partially enlarged view of a in fig. 2.

In the figure, 1, a workbench; 101. a top plate; 102. a guide rail; 103. a slider; 104. moving the plate; 105. a second cylinder; 2. a fixing device; 201. a fixing plate; 202. a sleeve; 203. a pressing plate; 204. a spring; 205. a loop bar; 206. placing the plate; 207. a magnet piece; 3. a detection device; 301. a first cylinder; 302. a fixing frame; 303. connecting blocks; 304. a gear; 305. a chute; 306. a slide plate; 307. a toothed plate; 308. a detection head; 309. scale lines are marked.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and do not limit the utility model.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Referring to fig. 1-3, a metal surface defect detecting device includes a workbench 1, a top plate 101 is fixedly connected to an upper end surface of the workbench 1, a detecting device 3 is disposed below the top plate 101, the detecting device 3 includes a fixing frame 302, a first cylinder 301 is disposed above the fixing frame 302, an output end of the first cylinder 301 penetrates through the fixing frame 302 and extends into the fixing frame 302, and is movably connected with a gear 304 through a connecting block 303, sliding grooves 305 are disposed on left and right sides of an inner wall of the fixing frame 302, sliding plates 306 are slidably connected inside the two sliding grooves 305, toothed plates 307 engaged with the gear 304 are disposed on opposite sections of the two sliding plates 306, and the detecting device 3 is disposed above the fixing device 2;

fixing device 2, fixing device 2 installs the up end at workstation 1, and fixing device 2 includes two fixed plates 201, the lower terminal surface of two fixed plates 201 and the up end fixed connection of workstation 1, and sleeve 202 is all installed to one section that two fixed plates 201 are relative, and the inside of the relative one end of two sleeves 202 has all been pegged graft loop bar 205, and one section that two loop bar 205 are relative is all installed and is placed board 206.

In this embodiment: the fixing device 2 and the detecting device 3 can be installed through the workbench 1 and the top plate 101, the detecting device 3 is used for detecting the defects on the surface of the metal plate, specifically, the first cylinder 301 is started, the first cylinder 301 pushes the gear 304 to move downwards, the gear 304 drives the two toothed plates 307 to move downwards due to the engagement of the gear 304 and the toothed plates 307, the toothed plates 307 drive the sliding plates 306 to move downwards in the sliding grooves 305 until the detecting heads 308 on the lower end surface of the sliding plates 306 are contacted with the surface of the metal plate, the two sliding plates 306 can drive the two detecting heads 308 to be respectively contacted with the flat position and the defect position on the surface of the metal plate, when one detecting head 308 is contacted with the flat position, the other detecting head 308 continues to move downwards due to no supporting force, the sliding plates 306 and the toothed plates 307 are driven to move downwards at the same time, when the same side of the toothed plates 307 moves downwards, the gear 304 can be driven to rotate until the other detecting head 308 is contacted with the concave position on the surface of the metal plate, further, a numerical difference occurs between the two detection heads 308, and a difference value between the two sliding plates 306 can be seen according to the scale marks 309 on the front end surface of the sliding chute 305, so that the defect value of the surface of the metal plate can be detected, and the problem of inaccurate detection caused by manual detection is avoided;

can carry out the centre gripping through fixing device 2 to the metal sheet that needs detected fixed, can place the metal sheet that needs detected specifically through placing board 206, can extrude two sides of placing board 206 according to the size of metal sheet simultaneously, impel to place board 206 and extrude loop bar 205, and then can make loop bar 205 atress get into in the sleeve 202, until placing the metal sheet completely between two boards 206 of placing, thereby realized the fixed displacement of avoiding of metal sheet, improved follow-up rate of accuracy that detects the metal sheet.

As a technical optimization scheme of the utility model, a guide rail 102 is installed on the lower end surface of a top plate 101, a slide block 103 is connected to the lower end surface of the guide rail 102 in a sliding manner, a moving plate 104 is installed on the lower end surface of the slide block 103, the upper end surface of a first air cylinder 301 is fixedly connected with the lower end surface of the moving plate 104, a second air cylinder 105 is installed on the left side of the inner wall of a workbench 1, and the output end of the second air cylinder 105 is fixedly connected with the left side of the moving plate 104.

In this embodiment: by starting the second cylinder 105, the second cylinder 105 pushes the moving plate 104 to move left and right, so that the moving plate 104 drives the slider 103 to move left and right in the guide rail 102, and further the moving plate 104 drives the detection device 3 to move left and right, the position of the detection device 3 can be adjusted according to the position of the metal plate below, and therefore the defects on the surface of the metal plate can be detected accurately.

As a technical optimization scheme of the utility model, springs 204 are arranged in the two sleeves 202, the ends of the two sleeve rods 205 opposite to each other are fixedly connected with extrusion plates 203, and the other ends of the two extrusion plates 203 are in contact with the springs 204.

In this embodiment: the pressing plate 203 and the loop bar 205 can be pushed to return to the original position under the elastic force of the spring 204.

As a technical optimization scheme of the utility model, the lower end surfaces of the two sliding plates 306 are both provided with detection heads 308.

In this embodiment: and passes through the inspection head 308 to facilitate contact with the metal plate depressions to facilitate metal plate defect detection.

As a technical optimization scheme of the present invention, the magnet pieces 207 are mounted on the upper end surfaces of the two placement plates 206, and the two placement plates 206 are L-shaped.

In this embodiment: the metal plate can be placed more stably on the upper end surface of the placement plate 206 by the magnet piece 207, and is L-shaped by the placement plate 206 so as to be better held.

As a technical optimization scheme of the present invention, the front end surfaces of the two sliding grooves 305 are both provided with scale marks 309.

In this embodiment: the difference between the two sliding plates 306 can be accurately checked through the scale marks 309, so that the depth of the metal plate recess can be obtained.

The working principle and the using process of the utility model are as follows: firstly, a metal plate to be detected is placed between two placing plates 206, the side surfaces of the two placing plates 206 are extruded according to the size of the metal plate, the placing plates 206 extrude loop bars 205, the two loop bars 205 are stressed into the sleeves 202 and extrude the springs 204 under the action of the extruding plates 203, the two springs 204 are stressed and compressed until the metal plate is completely placed between the two placing plates 206, then the second air cylinder 105 is started according to the position where the metal plate is placed, the second air cylinder 105 pushes the moving plate 104 to move left and right, the moving plate 104 drives the sliding block 103 to move left and right in the guide rail 102, the moving plate 104 can drive the detection device 3 to move left and right until the detection device 3 is positioned above the metal plate, then the first air cylinder 301 is started, the first air cylinder 301 pushes the gear 304 to move downwards, the gear 304 drives the toothed plate 307 and the sliding plate 306 to move downwards in the sliding groove 305 until one detection head 308 is in contact with the position where the metal plate surface is flat, the other detection head 308 moves downwards continuously due to no supporting force below the other detection head, meanwhile, the sliding plate 306 is stressed to drive the toothed plate 307 to move downwards, so that the toothed plate 307 drives the gear 304 to rotate while moving downwards until the other detection head 308 is contacted with a concave part of the surface of the metal plate, and finally, the numerical value of the surface defect of the metal plate can be detected according to the numerical value difference between the two detection heads 308.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a metal surface defect detection device, includes workstation (1), the up end fixedly connected with roof (101) of workstation (1), its characterized in that: the detection device (3) is arranged below the top plate (101), the detection device (3) comprises a fixed frame (302), a first air cylinder (301) is arranged above the fixed frame (302), the output end of the first air cylinder (301) penetrates through the fixed frame (302), extends into the fixed frame (302), and is movably connected with a gear (304) through a connecting block (303), sliding grooves (305) are respectively arranged on the left side and the right side of the inner wall of the fixed frame (302), sliding plates (306) are respectively and slidably connected into the two sliding grooves (305), toothed plates (307) meshed with the gear (304) are respectively arranged on the sections, opposite to the two sliding plates (306), of the two sliding plates, and the detection device (3) is positioned above the fixing device (2);

fixing device (2), the up end at workstation (1) is installed in fixing device (2), fixing device (2) include two fixed plate (201), two the lower terminal surface of fixed plate (201) and the up end fixed connection of workstation (1), two sleeve (202) are all installed to one section that fixed plate (201) is relative, two loop bar (205), two have all been pegged graft to the inside of the relative one end of sleeve (202) the board (206) are all installed to one section that loop bar (205) are relative.

2. A metal surface defect detecting apparatus according to claim 1, wherein: guide rail (102) are installed to the lower terminal surface of roof (101), the lower terminal surface sliding connection of guide rail (102) has slider (103), movable plate (104) are installed to the lower terminal surface of slider (103), the up end of first cylinder (301) and the lower terminal surface fixed connection of movable plate (104), second cylinder (105) are installed in the left side of workstation (1) inner wall, the output of second cylinder (105) and the left side fixed connection of movable plate (104).

3. A metal surface defect detecting apparatus according to claim 1, wherein: springs (204) are installed inside the two sleeves (202), two squeezing plates (203) are fixedly connected to one ends of the loop bars (205) which are opposite to each other, and the other ends of the squeezing plates (203) are in contact with the springs (204).

4. A metal surface defect detecting apparatus according to claim 1, wherein: the lower end surfaces of the two sliding plates (306) are respectively provided with a detection head (308).

5. A metal surface defect detecting apparatus according to claim 1, wherein: magnet pieces (207) are mounted on the upper end faces of the two placing plates (206), and the two placing plates (206) are L-shaped.

6. A metal surface defect detecting apparatus according to claim 1, wherein: the front end faces of the two sliding grooves (305) are provided with scale marks (309).