CN218298001U

CN218298001U - Detection device

Info

Publication number: CN218298001U
Application number: CN202222301648.5U
Authority: CN
Inventors: 史继新; 姜文渊; 刘阳
Original assignee: Wuhan Raycus Fiber Laser Technologies Co Ltd
Current assignee: Wuhan Raycus Fiber Laser Technologies Co Ltd
Priority date: 2022-08-31
Filing date: 2022-08-31
Publication date: 2023-01-13
Anticipated expiration: 2032-08-31

Abstract

The utility model relates to a detection device, include: the detection table can bear the piece to be detected; the image acquisition unit can acquire an image of a piece to be detected placed on the detection table; the guide rod is connected to the detection table; the height adjusting mechanism comprises a driving assembly and a sliding assembly, the driving assembly is arranged on the detection table and can adjust the height of the sliding assembly, the sliding assembly is connected to the guide rod in a sliding mode, and the image acquisition unit is connected to the sliding assembly; and a distance measuring unit capable of measuring the height of the image capturing unit. The image acquisition unit is arranged on the detection table, the driving assembly drives the sliding assembly to slide so as to adjust the distance between the image acquisition unit and the to-be-detected piece, the guide rod guides the sliding assembly, and after the image acquisition unit is adjusted in place, the driving assembly stops working and reads the height of the image acquisition unit through the distance measurement unit. The embodiment of the utility model provides a detection device detection efficiency is high, simple structure, convenient to use.

Description

Detection device

Technical Field

The utility model relates to a detect technical field, especially relate to a detection device.

Background

In the prior art, in the process of detecting a welding seam by using machine vision, the height of a product to be detected needs to be repeatedly adjusted by a camera so as to ensure that an image acquired by the camera is clear. And the height of the camera at each time needs to be calibrated so as to clearly and intuitively know the height of the camera after each adjustment. This results in low detection efficiency.

Therefore, a detection device is needed to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a detection device to improve detection efficiency.

In order to achieve the above object, the utility model provides a detection device, include:

the detection table can bear the piece to be detected;

the image acquisition unit can acquire the image of the piece to be detected placed on the detection table;

the guide rod is connected to the detection table;

the height adjusting mechanism comprises a driving assembly and a sliding assembly, the driving assembly is arranged on the detection table and can adjust the height of the sliding assembly, the sliding assembly is connected to the guide rod in a sliding mode, and the image acquisition unit is connected to the sliding assembly;

a distance measuring unit capable of measuring a height of the image pickup unit.

Optionally, the sliding assembly includes:

the sliding block is connected with the guide rod in a sliding mode and is connected with the output end of the driving assembly;

the mounting part is connected to the sliding block, and the image acquisition unit is connected to the mounting part.

Optionally, the mount comprises:

the connecting plate is connected to the sliding block;

one end of the mounting plate is connected to the connecting plate and arranged at an included angle with the connecting plate, and the image acquisition unit is connected to the mounting plate;

and one end of the reinforcing plate is connected with the connecting plate, and the other end of the reinforcing plate is connected with the mounting plate.

Optionally, the distance measuring unit is a scale, and one end of the scale is connected to the detection table.

Optionally, the sliding assembly includes a pointer, and the pointer is connected to the sliding block and is arranged opposite to the scale.

Optionally, the driving assembly includes:

the driving piece is arranged on the detection platform;

the screw rod is connected to the driving piece, the driving piece can drive the screw rod to rotate, and the sliding assembly is in threaded connection with the screw rod.

Optionally, the driving assembly further comprises a pair of meshed bevel gears, one bevel gear is connected with the output shaft of the driving part, the other bevel gear is rotatably connected with the detection table, and one end of the screw rod is connected.

Optionally, the detection device further comprises a fixing plate, one end of the guide rod and one end of the distance measuring unit are connected to the detection table, and the other end of the guide rod is connected to the fixing plate.

Optionally, a first mounting hole and a first threaded hole which are communicated with each other are formed in the fixing plate, and one end of the distance measuring unit penetrates through the first mounting hole; the positioning bolt is in threaded connection with the first threaded hole and is abutted to the distance measuring unit.

Optionally, a second mounting hole is formed in the fixing plate, the guide rod penetrates through the second mounting hole, a second threaded hole is formed in the guide rod, and the fixing bolt penetrates through the second mounting hole and is in threaded connection with the second threaded hole.

It is from top to bottom visible, the utility model provides a technical scheme will wait to detect the piece and place on examining test table, and drive assembly drive slip subassembly slides to adjust the image acquisition unit and wait the distance of detecting the piece, the guide bar is the slip subassembly direction, in order to improve the stability of slip subassembly, the back that targets in place is adjusted to the image acquisition unit, and drive assembly stop work reads the height of image acquisition unit through distance measuring unit, and the image acquisition unit gathers the image that waits to detect the piece, thereby accomplishes and detects. The embodiment of the utility model provides a detection device detection efficiency is high, simple structure, convenient to use.

Drawings

Fig. 1 is a schematic structural diagram of a detection device provided in an embodiment of the present invention;

fig. 2 is a schematic structural diagram of another view angle of the detection device according to the embodiment of the present invention;

fig. 3 is a partially enlarged view of a portion a in fig. 1.

In the figure:

1. a detection table; 2. a guide bar;

3. a height adjustment mechanism;

31. a drive assembly; 311. a drive member; 312. a screw; 313. a bevel gear;

32. a sliding assembly; 321. a slider; 322. a mounting member; 3221. a connecting plate; 3222. mounting a plate; 3223. a reinforcing plate; 323. a pointer;

4. a fixing plate; 5. positioning the bolt; 6. fixing the bolt; 7. an electrical box; 8. an image acquisition unit; 9. a distance measuring unit.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some but not all of the elements relevant to the present invention are shown in the drawings.

The present invention is limited to certain orientation words, and the use of orientation words such as "upper", "lower", "left", "right", "inner" and "outer" in the case where no opposite explanation is made is convenient for understanding, and thus does not limit the scope of the present invention.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature.

In the description of the present invention, unless otherwise explicitly specified or limited, the terms "connected", "connected" and "fixed" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The embodiment provides a detection device, which is used for detecting welding seams, but is not limited to the welding seams, and can also be used in other occasions needing height adjustment to improve the detection efficiency.

As shown in fig. 1, the detection apparatus provided by this embodiment includes a detection platform 1, a guide rod 2, a height adjustment mechanism 3, an image acquisition unit 8, and a distance measurement unit 9, wherein the detection platform 1 is used for bearing a to-be-detected object, and the image acquisition unit 8 can acquire an image of the to-be-detected object placed on the detection platform 1. The guide bar 2 is connected to the test table 1. The height adjusting mechanism 3 comprises a driving component 31 and a sliding component 32, the sliding component 32 is connected to the guide rod 2 in a sliding mode and is connected to the output end of the driving component 31, the image acquisition unit 8 is connected to the sliding component 32, the driving component 31 is arranged on the detection table 1, and the height of the sliding component 32 can be adjusted. The distance measuring unit 9 is capable of measuring the height of the image pickup unit 8.

To wait to detect and place on examining test table 1, drive assembly 31 drive slip subassembly 32 slides to adjust image acquisition unit 8 and wait to detect the distance of piece, guide bar 2 is the direction of slip subassembly 32, in order to improve the stability of slip subassembly 32, and image acquisition unit 8 adjusts the back that targets in place, and drive assembly 31 stop work, reads the height of image acquisition unit 8 through distance measuring unit 9, and image acquisition unit 8 gathers the image of waiting to detect the piece, thereby accomplishes and detects. The detection device provided by the embodiment has high detection efficiency, simple structure and convenient use.

Alternatively, the distance measuring unit 9 is a scale, and one end of the scale is connected to the test table 1 to fix the scale. Of course, in other alternative embodiments, the distance measuring unit 9 may also be a laser range finder or the like, and the laser range finder may be disposed on the detecting table 1 or on the sliding assembly 32 to measure the distance between the detecting table 1 and the image capturing unit 8, so as to obtain the height of the image capturing unit 8.

The driving assembly 31 includes a driving member 311 and a screw 312, the driving member 311 is disposed on the inspection table 1, the screw 312 is connected to the driving member 311, the driving member 311 can drive the screw 312 to rotate, the sliding assembly 32 is screwed with the screw 312, the screw 312 rotates, and the sliding assembly 32 can move up and down along the screw 312.

As shown in fig. 2, the driving assembly 31 further includes a pair of engaged bevel gears 313, one bevel gear 313 is connected to the output shaft of the driving member 311, the other bevel gear 313 is rotatably connected to the inspection table 1, and one end of the screw 312 is connected to drive the screw 312 to rotate, so that the screw 312 can be vertically disposed.

Continuing with fig. 1, optionally, the sliding assembly 32 includes a slider 321 and a mounting member 322, the slider 321 being slidably connected to the guide bar 2 and to the output end of the driving assembly 31. The mounting member 322 is connected to the slider 321, and the image pickup unit 8 is connected to the mounting member 322. The mounting member 322 may provide a mounting location for the image capturing unit 8 to facilitate its mounting.

As shown in fig. 2, the mounting member 322 includes a connecting plate 3221, a mounting plate 3222, and a reinforcing plate 3223, the connecting plate 3221 is connected to the slider 321, one end of the mounting plate 3222 is connected to the connecting plate 3221 and is disposed at an angle with the connecting plate 3221, the image capturing unit 8 is connected to the mounting plate 3222, one end of the reinforcing plate 3223 is connected to the connecting plate 3221, and the other end is connected to the mounting plate 3222. The mounting member 322 has a stable structure and is not easy to deform, so that the accuracy of the height measurement result of the image acquisition unit 8 is ensured.

As shown in fig. 3, the sliding assembly 32 further includes a pointer 323, and the pointer 323 is connected to the sliding block 321 and is disposed opposite to the scale to improve the degree accuracy.

Continuing with fig. 1, optionally, in order to improve the stability of the relative positions of the guide rod 2 and the distance measuring unit 9, the detection device further includes a fixing plate 4, one end of each of the guide rod 2 and the distance measuring unit 9 is connected to the detection table 1, and the other end is connected to the fixing plate 4. The fixing plate 4 can prevent the relative position of the guide rod 2 and the distance measuring unit 9 from changing, thereby further improving the accuracy of the degree.

Optionally, the upper end of the screw 312 is rotatably connected to the fixing plate 4, so as to improve the stability of the screw 312.

In order to facilitate installation and replacement of the scale, optionally, a first installation hole communicated with the fixed plate 4 is formed in the fixed plate 4, and one end of the scale penetrates through the first installation hole. The scale can pass first mounting hole from the top down, and then install on examining test table 1. In order to avoid the scale from shaking and affecting the measurement accuracy, optionally, a first threaded hole is further formed in the fixing plate 4, and the positioning bolt 5 is screwed in the first threaded hole and abuts against the scale.

In order to facilitate the installation of the fixing plate 4 and the guide rod 2, optionally, a second installation hole is formed in the fixing plate 4, the guide rod 2 penetrates through the second installation hole, a second threaded hole is formed in the guide rod 2, and the fixing bolt 6 penetrates through the second installation hole to be in threaded connection with the second threaded hole.

Optionally, an electrical box 7 may be further disposed on the detection table 1, and the electrical box 7 is electrically connected to the driving mechanism.

Although the invention has been described in detail with respect to the general description and the specific embodiments and experiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of this invention without departing from the spirit thereof.

Claims

1. A detection device, comprising:

the detection table (1) can bear a piece to be detected;

the image acquisition unit (8) can acquire images of the piece to be detected placed on the detection table (1);

the guide rod (2) is connected to the detection table (1);

the height adjusting mechanism (3) comprises a driving assembly (31) and a sliding assembly (32), the driving assembly (31) is arranged on the detection table (1) and can adjust the height of the sliding assembly (32), the sliding assembly (32) is connected to the guide rod (2) in a sliding mode, and the image acquisition unit (8) is connected to the sliding assembly (32);

a distance measuring unit (9) capable of measuring the height of the image acquisition unit (8).

2. The detection device according to claim 1, wherein the sliding assembly (32) comprises:

a slide block (321) which is connected with the guide rod (2) in a sliding way and is connected with the output end of the driving component (31);

a mounting member (322) connected to the slider (321), the image capturing unit (8) being connected to the mounting member (322).

3. The detection apparatus according to claim 2, wherein the mounting member (322) comprises:

a connecting plate (3221) connected to the slider (321);

one end of the mounting plate (3222) is connected to the connecting plate (3221) and arranged at an included angle with the connecting plate (3221), and the image acquisition unit (8) is connected to the mounting plate (3222);

the reinforcing plate (3223) is connected to the connecting plate (3221) at one end, and connected to the mounting plate (3222) at the other end.

4. The detection device according to claim 2, characterized in that the distance measuring unit (9) is a scale, one end of which is connected to the detection table (1).

5. The detection device according to claim 4, characterized in that the sliding assembly (32) comprises a pointer (323), the pointer (323) being connected to the slider (321) and being arranged opposite to the scale.

6. The detection device according to claim 1, characterized in that the drive assembly (31) comprises:

a driving member (311) provided on the inspection table (1);

the screw rod (312) is connected to the driving piece (311), the driving piece (311) can drive the screw rod (312) to rotate, and the sliding assembly (32) is in threaded connection with the screw rod (312).

7. The testing device according to claim 6, characterized in that the driving assembly (31) further comprises a pair of engaged bevel gears (313), one of the bevel gears (313) is connected with the output shaft of the driving member (311), the other bevel gear (313) is rotationally connected with the testing platform (1), and one end of the screw (312) is connected.

8. The detection device according to claim 1, characterized in that it further comprises a fixing plate (4), the guide rod (2) and the distance measuring unit (9) being connected to the detection table (1) at one end and to the fixing plate (4) at the other end.

9. The detection device according to claim 8, wherein the fixing plate (4) is provided with a first mounting hole and a first threaded hole which are communicated with each other, and one end of the distance measuring unit (9) is arranged in the first mounting hole in a penetrating manner; and the positioning bolt (5) is screwed in the first threaded hole and abuts against the distance measuring unit (9).

10. The detection device according to claim 8, wherein a second mounting hole is formed in the fixing plate (4), the guide rod (2) is inserted into the second mounting hole, a second threaded hole is formed in the guide rod (2), and the fixing bolt (6) penetrates through the second mounting hole to be in threaded connection with the second threaded hole.