CN214372266U - Visual detection system - Google Patents

Abstract

The utility model discloses a vision detection system, include: a first arcuate track; a camera assembly slidably mounted to the first arcuate track; first support, with first arc track sets up relatively, including first chassis portion and first clamping part, first clamping part is used for the centre gripping part that awaits measuring, first clamping part install in first chassis portion, and can be relative first chassis portion carries out position control, follows first arc track is gliding camera subassembly can be right the part that awaits measuring detects. The utility model provides a visual detection system can improve the efficiency that detects.

Description

Visual detection system

Technical Field

The utility model relates to a quality testing technical field, concretely relates to vision detecting system.

Background

At present, most of size and quantity detection of standard parts, welding spots and the like in the trial-manufacturing field of each automobile enterprise depends on manual work, the main detection modes comprise visual detection and caliper detection, the detection time is long, under the common condition, the detection of a white automobile body usually needs to take one day or even longer time, and the detection efficiency is seriously influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a visual detection system can improve the efficiency that detects.

In order to solve the above technical problem, the utility model provides a visual inspection system, include: a first arcuate track; a camera assembly slidably mounted to the first arcuate track; first support, with first arc track sets up relatively, including first chassis portion and first clamping part, first clamping part is used for the centre gripping part that awaits measuring, first clamping part install in first chassis portion, and can be relative first chassis portion carries out position control, follows first arc track is gliding camera subassembly is used for right the part that awaits measuring detects.

Be different from the background art, the utility model provides a visual detection system relies on the camera subassembly to the part that awaits measuring to shoot and detects, and traditional needs need can be accomplished only for several hours a day and even the work load that can just accomplish for several days, and the efficiency that detects can improve by a wide margin, and the manual work of testing process participates in less, can reduce the error that the human factor caused by a great extent ground, and then can improve the accuracy that detects by a wide margin.

The camera assembly slides on the first arc-shaped track, so that the photographing angle can be conveniently adjusted to reduce the photographing dead angle. The position of first clamping part relative first undercarriage portion is adjustable, then can conveniently adjust the mounted position of the part that awaits measuring to satisfy the demand of shooing of camera subassembly as far as possible, simultaneously, also can adapt to the assembly of the part that awaits measuring of different sizes, and then can satisfy the requirement of flexibility, with the commonality of improve equipment.

Optionally, the camera assembly comprises: the first support is slidably arranged on the first arc-shaped track; a camera module mounted to the first mount; and the driving mechanism is in transmission connection with the first support and is used for driving the first support to displace.

Optionally, the driving mechanism includes a driving motor and a lead screw structure, the lead screw structure includes a lead screw and a nut member, the driving motor can drive the lead screw to rotate, the nut member is in threaded connection with the lead screw, and the nut member is hinged to the first support to adapt to a change in a distance between the nut member and the first arc track, which is displaced in an axial direction of the lead screw.

Optionally, the nut further comprises a guide part extending in the same direction as the screw rod, and the nut part is connected with the guide part in a sliding manner; and/or, the nut component also comprises a stroke detection component which is used for detecting the position of the nut component relative to the screw rod.

Optionally, two first limiting blocks are arranged on the running track of the first support at intervals and used for forming limiting fit with the first support.

Optionally, the first arc-shaped track and the first bracket are both mounted on a first mounting surface, and a projection of the center of the component to be measured on the first mounting surface coincides with a projection of a circle center corresponding to the first arc-shaped track on the first mounting surface.

Optionally, the first support is provided with a second arc-shaped rail, and the camera module is slidably mounted on the second arc-shaped rail; still include the second support, the second support includes the second clamping part, the second clamping part is used for the centre gripping part of trying, follows the gliding camera module of second arc track is used for right the part of trying detects, just the second support is equipped with the detection reference part.

Optionally, the camera module includes a second support and a camera device, the camera device is mounted to the second support, the second support is slidably mounted to the second arc-shaped rail, the camera device includes a detection camera, and a mounting position of the detection camera is adjustable.

Optionally, the device further comprises a plurality of stop members arranged at intervals along the running track of the second support, the second support is provided with hole-type or groove-type stop matching parts, the stop members are provided with extensible or retractable stop parts, and the stop parts can be inserted into or separated from the stop matching parts to lock or unlock the second support.

Optionally, two second limiting blocks are arranged on the running track of the second support at intervals and used for forming limiting fit with the second support.

Optionally, the first arc-shaped track and the second bracket are both mounted on a second mounting surface, and a projection of the center of the test component on the second mounting surface coincides with a projection of a circle center corresponding to the second arc-shaped track on the second mounting surface.

Optionally, the second support comprises a second chassis portion and a second support frame portion, the second support frame portion is mounted on the second chassis portion, the second clamping portion is mounted on the second support frame portion, and the second support frame includes a plurality of clamping mechanisms for clamping the test piece to be tested.

Optionally, the support device further comprises a support floor, the first arc-shaped rail, the first bracket and the second bracket are all mounted on the support floor in a manner that the mounting positions can be adjusted, and the second bracket is located between the first arc-shaped rail and the first bracket.

Optionally, the size of the central angle corresponding to the section of the first arc-shaped track for the first support to run is between 25 ° and 35 °; the central angle corresponding to the section of the second arc-shaped track for the second support to run is 25-35 degrees.

Drawings

FIG. 1 is a top view of one embodiment of a vision inspection system provided by the present invention;

FIG. 2 is a diagram of a connection configuration of the first arcuate rail and the camera assembly;

FIG. 3 is a diagram of a connection configuration of the first arcuate track, the first support, the second support, and the drive mechanism;

FIG. 4 is a view showing a connection structure of a first holder and a second holder;

FIG. 5 is a schematic structural view of a first bracket;

fig. 6 is a structural schematic diagram of the second bracket.

The reference numerals in fig. 1-6 are illustrated as follows:

1 a first arcuate track;

2 camera component, 21 first support, 211 first limit block, 212 second arc track, 213 stop component, 213a stop part, 214 second limit block, 22 camera module, 221 second support, 222 detection camera, 223 camera mounting frame, 224 connecting frame, 225 height adjusting mechanism, 23 driving mechanism, 231 driving motor, 232 screw rod, 233 nut piece, 234 guide piece, 235 stroke detection part;

3a first bracket, 31 a first underframe part, 32 a first clamping part, 33 a cross frame part, 34 a vertical frame part, 35 a reinforced frame part and 36 quick-release components;

4 a second bracket, 41 a second clamping part, 411 a clamping mechanism, 412 a fixing plate, 42 a detection reference part, 43 a second chassis part, 44 a second support frame part;

5 supporting the floor;

a part to be tested, B part to be tested.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments.

As used herein, the term "plurality" refers to an indefinite number of plural, usually more than two; and when the term "plurality" is used to indicate a quantity of a particular element, it does not indicate a quantitative relationship between such elements.

The terms "first," "second," and the like, herein are used for convenience in describing two or more structures or components that are identical or similar in structure and/or function and do not denote any particular limitation in order and/or importance.

Referring to fig. 1-6, fig. 1 is a top view of an embodiment of a vision inspection system provided in the present invention, fig. 2 is a connection structure diagram of a first arc-shaped rail and a camera assembly, fig. 3 is a connection structure diagram of a first arc-shaped rail, a first support, a second support and a driving mechanism, fig. 4 is a connection structure diagram of a first support and a second support, fig. 5 is a schematic structural diagram of a first support, and fig. 6 is a schematic structural diagram of a second support.

As shown in fig. 1, the utility model provides a visual inspection system, include: a first arcuate track 1; the camera assembly 2 is slidably arranged on the first arc-shaped track 1; first support 3 sets up with first arc track 1 relatively, including first undercarriage portion 31 and first clamping part 32, first clamping part 32 is used for the centre gripping part A that awaits measuring, and first clamping part 32 is installed in first undercarriage portion 31 to can carry out position adjustment relatively first undercarriage portion 31, can detect part A that awaits measuring along the gliding camera subassembly 2 of first arc track 1.

Be different from the background art, the utility model provides a visual detection system relies on camera subassembly 2 to detect of shooing to the part A that awaits measuring, and traditional needs need one day and even the work load that can only accomplish for several days only need several hours can be accomplished, and the efficiency that detects can improve by a wide margin, and the artifical participation of testing process is less, can reduce the error that the human factor caused to a great extent, and then can improve the accuracy that detects by a wide margin.

The camera component 2 slides on the first arc-shaped track 1, so that the photographing angle can be conveniently adjusted, and the photographing dead angle is reduced. The position of first clamping part 32 relative first undercarriage portion 31 is adjustable, then can conveniently adjust the mounted position of the part a that awaits measuring to satisfy the demand of shooing of camera subassembly 2 as far as possible, simultaneously, also can adapt to the assembly of the part a that awaits measuring of different sizes, and then can satisfy the requirement of flexibility, with the commonality of improvement equipment.

The movement of the camera assembly 2 can be driven manually, that is to say the camera assembly 2 can be manually held by a field worker to slide along the first curved track 1, so that the structure of the entire apparatus can be relatively simple. Alternatively, a driving mechanism 23 may be provided to drive the camera module 2 to slide along the first arc-shaped track 1.

In the embodiment of the present invention, the scheme of setting the driving mechanism 23 is preferably adopted, so that the manual participation can be further reduced, the operation speed of the camera assembly 2 is relatively easy to control, and the automation level of the device can be higher. In detail, as shown in fig. 2 and 3, the camera assembly 2 may include: a first support 21 slidably mounted on the first arc-shaped rail 1; a camera module 22 mountable to the first mount 21; and the driving mechanism 23 can be in transmission connection with the first support 21 and is used for driving the first support 21 to displace.

The driving mechanism 23 may be in various forms as long as it can meet the requirements of use, for example, the driving mechanism 23 may be a motor-driven driving wheel structure, and in this case, the driving mechanism 23 may be directly mounted on the first support 21.

In a specific embodiment, with continued reference to fig. 2 and 3, the driving mechanism 23 may include a driving motor 231 and a lead screw structure, and the lead screw structure may include a lead screw 232 and a nut member 233; the rotating shaft of the driving motor 231 and the lead screw 232 can be of an integrated structure, or the rotating shaft and the lead screw 232 can also be in transmission connection, and the specific transmission connection mode can be coupling connection, gear transmission connection, belt wheel transmission connection or chain wheel transmission connection and the like, and is used for driving the lead screw 232 to rotate; the nut member 233 may be screw-coupled to the lead screw 232, and the nut member 233 may be further hinge-coupled to the first support 21 to accommodate a change in the distance between the nut member 233 and the first arc-shaped track 1 when the nut member 233 is displaced in the axial direction of the lead screw 232.

The nut member 233 herein refers to a nut-like member, which may be cylindrical as a whole, and at least a part of the inner wall may be provided with an internal thread for engaging with the lead screw 232.

Further, the driving mechanism 23 may further include a guiding member 234 extending in the same direction as the lead screw 232, and the nut member 233 may be slidably connected to the guiding member 234 to guide the operation direction of the nut member 233, so as to effectively prevent the nut member 233 from rotating in the circumferential direction when the lead screw 232 displaces, and ensure the stability of the nut member 233 during the operation process.

The sliding fit structure between the nut member 233 and the guide member 234 is not limited herein, and may be a shaft-hole fit, a shaft-groove fit, or the like, as long as the use requirement can be satisfied; in the embodiment of fig. 2, the guide member 234 is a rod member, and the nut member 233 is provided with a slide groove for forming a slide fit with the rod member. Likewise, the embodiment of the present invention also does not limit the sliding fit structure between the first support 21 and the first arc-shaped rail 1, and the limitation of the sliding fit structure also applies to the following between the second support 221 and the second arc-shaped rail 212, which will not be mentioned again in the following as long as the corresponding function can be achieved.

The above-mentioned drive mechanism 23 may further include a stroke detecting member 235 for detecting the position of the nut member 233 relative to the lead screw 232. The stroke detection unit 235 may be a contact type stroke sensing element such as a stroke switch, or may be a non-contact type distance measurement sensor such as a laser or an ultrasonic sensor. The number and the arrangement position of the stroke detection parts 235 are not limited herein as long as the corresponding function can be achieved, and in the embodiment of fig. 3, the number of the stroke detection parts 235 may be two and are respectively arranged on two axial sides of the screw rod 232.

Further, two first limiting blocks 211 can be arranged on the running track of the first support 21 at intervals and used for forming limiting matching with the first support 21 so as to prevent the first support 21 from slipping off from the first arc-shaped track 1 and further ensure the reliable running of the equipment.

In addition, the stroke of the first support 21 can be controlled in an electric control mode, so that the first support 21 is prevented from slipping off the first arc-shaped track 1; alternatively, the first limit block 211 may be disposed on the moving track of the nut member 233, so as to indirectly limit the first support 21 by limiting the nut member 233.

The part A to be detected can be a sub-assembly standard part of a trial-manufacture white car body, the distance between the first arc-shaped track 1 and the part A to be detected can be unlimited during detection, and in specific practice, a person skilled in the art can set the part A to be detected according to actual needs.

Preferably, the first arc-shaped track 1 and the first bracket 3 are both mounted on the first mounting surface, and a projection of the center of the component a to be detected on the first mounting surface may coincide with a projection of a circle center corresponding to the first arc-shaped track 1 on the first mounting surface, so that when the camera assembly 2 slides along the first arc-shaped track 1, a distance from the camera assembly 2 to the center of the component a to be detected may be substantially unchanged (substantially, the distance is the radius R1 of the first arc-shaped track 1), the camera assembly 2 does not need to be calibrated again in a moving process, and a detection process is more convenient.

The size that is used for the corresponding central angle of district's section of first support 21 operation in first arc track 1 has decided camera module 22 when shooing to the part A that awaits measuring, the embodiment of the utility model provides a do not prescribe a limit to this shooting scope, as long as can guarantee the comprehensiveness of shooing can. As an exemplary scheme, the central angle may be 25 ° to 35 °, so that the shooting range is not too large, the comprehensiveness of the shooting angle is ensured, and the accuracy is prevented from being affected by too large stroke of the camera module 22.

The center of the component a to be measured refers to the centroid of the component a to be measured; the circle center corresponding to the first arc-shaped track 1 refers to the circle center corresponding to the intrados of the first arc-shaped track 1 facing the first support 3, or may also be the circle center corresponding to the extrados of the first arc-shaped track 1, it can be understood that the radial dimension of the first arc-shaped track 1 is negligible in practice compared with the distance between the first arc-shaped track 1 and the component a to be measured, therefore, the circle center corresponding to any one arc-shaped surface of the first arc-shaped track 1 can be used, and the distance between the detection camera 222 in the camera module 22 and the centroid of the component a to be measured is substantially the radius R1 corresponding to the first arc-shaped track 1.

After the installation of first arc track 1 and first support 3 is accomplished, the position of the two is unchangeable basically, can adjust the mounted position of part A that awaits measuring at first support 3 as required, and then satisfies the requirement that detects, and the regulation degree of freedom of part A that awaits measuring can design as required, as long as can satisfy the requirement of using.

In the scheme of the drawings, the component a to be measured can have adjustment with six degrees of freedom, as shown in fig. 5, the first bracket 3 can include a chassis portion 31, a vertical frame portion 34 and a horizontal frame portion 33, the vertical frame portion 34 can be mounted on the chassis portion 31 and supported and reinforced by a reinforcement frame portion 35, the horizontal frame portion 33 can be mounted on the vertical frame portion 34, the first clamping portion 32 can be mounted on the horizontal frame portion 33, the first clamping portion 32 can slide transversely along the horizontal frame portion 33, the horizontal frame portion 33 can slide vertically along the vertical frame portion 34, and the vertical frame portion 34 can slide longitudinally along the chassis portion 31, so as to meet the adjustment requirements with six degrees of freedom, and further adapt to clamping fixation of components a to be measured with different sizes and adjustment of mounting positions of the components a to be measured.

It should be noted that the specific structure of the first support 3 is not limited to the above description, and in specific practice, it may be designed in other forms as long as it can meet the requirement of freedom adjustment of the component a to be measured; in addition, the related definitions of the horizontal direction, the vertical direction and the vertical direction can refer to the marks in fig. 5.

There are also many options for the configuration of the first clamping portion 32, and in an exemplary embodiment, the first clamping portion 32 may be a pneumatic hook pin, the pneumatic hook pin may be a hook pin cylinder of SMC brand model CLKQGMC50-298RAH, the clamping force of each pneumatic hook pin is 75Kgf (air pressure 0.5MPa), the cylinder hook pin is a cylinder with lock, the clamping state and the clamping force may be kept unchanged in case of air cut, and each pneumatic hook pin may be directly mounted on the cross frame portion 33, or may be indirectly mounted on the cross frame portion 33 through a transition connection member such as a profile.

In fact, the mounting position of the entire first bracket 3 is also adjustable, so that the mounting position of the component a to be measured can be adjusted in a wider range.

To increase the speed of assembly and disassembly, the first bracket 3 can be fixed by a quick-release member 36. The quick release member 36 can be constructed in accordance with the prior art, and can include a quick clamp and a positioning pin, for example, the positioning pin can position the mounting position of the first bracket 3 in the first mounting surface, the quick clamp can vertically clamp the first bracket 3, and can achieve quick clamping and releasing.

Further, as also shown in fig. 1 and 2, the first support 21 may be provided with a second arc-shaped rail 212, and the camera module 22 may be slidably mounted on the second arc-shaped rail 212; a second bracket 4 may be further included, the second bracket 4 may include a second clamping portion 41, the second clamping portion 41 is used for clamping the test component B, the camera module 22 sliding along the second arc-shaped rail 212 can detect the test component B, and the second bracket 4 is provided with a detection reference component 42.

So set up, through the cooperation of camera module 22 with second arc track 212, can also detect the solder joint quality of test part B, test part B specifically can be the test block.

The camera module 22 may include a second support 221 and a camera device, the camera device is mounted on the second support 221, the second support 221 is slidably mounted on the second arc-shaped rail 212, and the driving manner and the driving structure of the second support 221 may refer to the description of the first support 21, that is, they may adopt similar structures.

In the embodiment of the drawing, the second support 221 can be driven by manual support, so that the structure of the device can be simplified. During specific use, the second support 221 can be rotated by field workers, and then the photos can be taken at different positions, and the photos can be taken at fixed points or at any positions.

For the unity that improves the system detection, the embodiment of the utility model provides an it adopts the scheme of fixed point shooing to prefer, and this kind of fixed point is shot and can be by staff manual control, also can set up corresponding mechanical component to the position of injecing the shooting point.

Specifically, as shown in fig. 3, a plurality of stop members 213 may be further included, the stop members 213 being spaced along the travel path of the second support 221, the second support 221 may be provided with a hole-type or groove-type stop engagement portion (not shown), the stop members 213 may be provided with a stop portion 213a that can be extended or retracted, and the stop portion 213a may be inserted into or disengaged from the stop engagement portion to lock or unlock the second support 221. Thus, when the second support 221 slides along the second arc-shaped track 212 to be opposite to the corresponding stop member 213, the stop portion 213a of the corresponding stop member 213 can be extended and inserted into the stop matching portion to lock the second support 221, so that fixed-point photographing can be realized.

The number of the stop members 213 is not limited herein, and in the implementation, a person skilled in the art may set the stop members 213 according to actual needs, and in the solution of the drawings, there may be three stop members 213, that is, there may be three shooting points.

The stop portion 213a can be automatically extended or retracted by an elastic member, and the outer contour of the portion contacting with the second support 221 can be circular, so that the stop portion 213a can more easily slide into or out of the stop mating portion. In an exemplary embodiment, the stop portion 213a may be a spring wheel, and a wheel body portion of the spring wheel may rotate to reduce resistance of the stop portion 213a sliding into or out of the stop mating portion to a greater extent.

Besides, other options for defining the position of the shooting point may also exist, for example, limiting holes may be provided in the first support 21 and the second support 211, and then fixed-point shooting may be achieved by inserting limiting pins.

Similar to the design of the first arc-shaped track 1, two second stoppers 214 may be disposed at intervals on the moving track of the second support 221 for forming a limit fit with the second support 221 to prevent the second support 221 from slipping off the second arc-shaped track 212.

The camera arrangement may comprise a detection camera 222, the mounting position of the detection camera 222 being adjustable, mainly in an up-and-down direction, in order to accommodate the detection of components under test a and/or components under test B of different mounting heights.

Referring to fig. 2, a connection frame 224 may be further included, the connection frame 224 may be mounted to the second support 221, a height adjustment mechanism 225 may be mounted to the connection frame 224 and connected to the camera mounting frame 223 so as to adjust the mounting height of the camera mounting frame 223, and the camera mounting frame 223 is used to mount the inspection camera 222. Here, the embodiment of the present invention does not limit the specific structure of the height adjustment mechanism 225, as long as the corresponding technical effect can be achieved.

The second bracket 4 is mainly used for clamping and fixing the test component B, and the structural form thereof can be set with reference to the first bracket 3. Alternatively, as shown in fig. 6, the second rack 4 may include a second chassis portion 43 and a second support chassis portion 44, the second support chassis portion 44 being mounted to the second chassis portion 43, the second clamping portion 41 being mounted to the second support chassis portion 44, and including a plurality of clamping mechanisms 411 for clamping the test piece B to be tested.

In detail, the second clamping portion 41 may further include a fixing plate 412, and the upper end of the second support frame portion 44 may be provided with a support surface on which the test component B may be placed against the fixing plate 412 and then may be clamped by the clamping mechanism 411 in three directions. The structure of the clamping mechanism 411 may be various, as long as it can meet the use requirement; in an exemplary aspect, the clamping mechanism 411 may be a hand-held guide-bar spring clamping mechanism.

Similar to the arrangement position of the to-be-tested component a, both the first arc-shaped track 1 and the second bracket 4 can be mounted on the second mounting surface, and the projection of the center of the to-be-tested component B on the second mounting surface can coincide with the projection of the circle center corresponding to the second arc-shaped track 212 on the second mounting surface. In this way, when the camera device slides along the second arc-shaped track 212, the distance from the center of the test part B to the camera device may be substantially constant (substantially the radius R2 of the second arc-shaped track 212), and the camera device does not need to be calibrated during the movement process, so that the detection process is more convenient.

Similarly, the size of the central angle corresponding to the section of the second arc-shaped track 212 for the second support 221 to run determines the shooting range of the camera module 22 when shooting the test component B, and the embodiment of the present invention does not limit the shooting range. As an exemplary scheme, the central angle may be 25 ° to 35 °, so that the shooting range is not too large, the comprehensiveness of the shooting angle is ensured, and the accuracy is prevented from being affected by too large stroke of the camera module 22; in conjunction with fig. 3, when there are three stop members 213, assuming that the stop member 213 located in the middle is a 0 ° shot point, two other shot points may be symmetrically disposed on both sides, and the central angle is 30 ° as an example, and the two other shot points may be a-15 ° shot point and a +15 ° shot point, respectively.

The center of the test component B is the centroid of the test component B; the circle center corresponding to the second arc-shaped track 212 refers to the circle center corresponding to the inner arc surface of the second arc-shaped track 212 facing the second bracket 4, or may also be the circle center corresponding to the outer arc surface of the second arc-shaped track 212, and it can be understood that the radial dimension of the second arc-shaped track 212 is negligible in fact compared with the distance between the second arc-shaped track 212 and the tested component B.

Further, can also include supporting floor 5, install in supporting floor 5 with the equal adjustable mounted position of aforesaid first arc track 1, first support 3 and second support 4, second support 4 is located between first arc track 1 and the first support 3, when examining part A to be examined, can demolish second support 4 earlier to avoid causing the interference to the shooting of detecting camera 222. The second bracket 4 may also be mounted using quick release members 36.

To sum up, the utility model provides a visual detection system can realize the solder joint of the part A that awaits measuring and the two kinds of parts of part B of examination and detect, following the embodiment of the utility model provides a can also carry out brief description to the testing process of two kinds of parts.

When detecting the welding point of the testing component B, the second bracket 4 needs to be fixed on the supporting floor 5, then the testing component B is fixed by the second clamping portion 41, the driving mechanism 23 drives the first support 21 to move to 0 ° (the position shown in fig. 3) and lock, and the installation height of the detection camera 222 is adjusted and locked; the second support 221 is manually driven to shoot at each stop member 213, specifically, three shooting points of +15 °, 0 °, -15 ° can be shot, the size of the welding spot can be obtained by comparing the obtained image with the detection reference component 42, and the indentation depth of the welding spot can be obtained by processing three images at different angles.

When the component A to be detected is detected, the second support 4 needs to be detached, and then the component A to be detected is fixed through the first support 3 and the position is adjusted; the position of the second support 221 is locked, and particularly, the position can be locked at 0 degrees; adjusting the height of the camera 222; the driving mechanism 23 is controlled to drive the first support 21 to slide along the first arc-shaped track 1, and to take a picture (taking a picture or taking a picture at a fixed point at any position), it can be considered that the distance from any position of the detection camera 222 on the R1 curve track to the center of the component a to be detected is basically consistent, the detection camera 222 does not need to be repeatedly calibrated in the motion process, the obtained multiple images can be compared with the standard image to obtain the detection data of the number of welding points, and the relative size of the component a to be detected can be obtained by comparing the images at different angles.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims (14)

1. A visual inspection system, comprising:

a first arcuate track (1);

a camera assembly (2) slidably mounted to the first arcuate track (1);

first support (3), with first arc track (1) sets up relatively, including first undercarriage portion (31) and first clamping part (32), first clamping part (32) are used for centre gripping part (A) that awaits measuring, first clamping part (32) install in first undercarriage portion (31), and can be relative first undercarriage portion (31) carry out position control, follow first arc track (1) is gliding camera subassembly (2) are used for right part (A) that awaits measuring detects.

2. The visual inspection system of claim 1, wherein the camera assembly (2) comprises:

a first support (21) slidably mounted to the first arcuate track (1);

a camera module (22) mounted to the first mount (21);

and the driving mechanism (23) is in transmission connection with the first support (21) and is used for driving the first support (21) to displace.

3. The visual inspection system according to claim 2, wherein the driving mechanism (23) comprises a driving motor (231) and a lead screw structure, the lead screw structure comprises a lead screw (232) and a nut member (233), the driving motor (231) can drive the lead screw (232) to rotate, the nut member (233) is in threaded connection with the lead screw (232), and the nut member (233) is hinged with the first support (21) to adapt to the change of the distance between the nut member (233) which is displaced along the axial direction of the lead screw (232) and the first arc-shaped track (1).

4. The visual inspection system of claim 3, further comprising a guide member (234) extending in a direction co-directional with the lead screw (232), the nut member (233) being slidably coupled to the guide member (234); and/or the presence of a gas in the gas,

and a stroke detection part (235) for detecting the position of the nut member (233) relative to the lead screw (232).

5. The vision inspection system according to claim 2, wherein two first limit blocks (211) are arranged on the moving track of the first support (21) at intervals and used for forming limit fit with the first support (21).

6. The vision inspection system according to claim 1, wherein the first arc-shaped track (1) and the first bracket (3) are both mounted on a first mounting surface, and a projection of the center of the component to be inspected (a) on the first mounting surface coincides with a projection of a corresponding circle center of the first arc-shaped track (1) on the first mounting surface.

7. The visual inspection system of any of claims 2-5, wherein the first mount (21) is provided with a second arcuate rail (212), the camera module (22) being slidably mounted to the second arcuate rail (212);

still include second support (4), second support (4) include second clamping part (41), second clamping part (41) are used for the centre gripping to try test part (B), follow second arc track (212) is gliding camera module (22) are used for right try test part (B) detect, just second support (4) are equipped with detection reference part (42).

8. The vision inspection system of claim 7, wherein the camera module (22) includes a second mount (221) and a camera assembly, the camera assembly being mounted to the second mount (221), the second mount (221) being slidably mounted to the second arcuate track (212), the camera assembly including an inspection camera (222), a mounting position of the inspection camera (222) being adjustable.

9. The visual inspection system of claim 8, further comprising a plurality of stop members (213) spaced along a travel path of the second support (221), wherein the second support (221) is provided with a hole-type or groove-type stop engagement portion, and wherein the stop members (213) are provided with a retractable stop portion (213a), and wherein the stop portion (213a) can be inserted into or removed from the stop engagement portion to lock or unlock the second support (221).

10. The visual inspection system of claim 8, wherein the second support (221) has two second stoppers (214) spaced apart from each other along the trajectory thereof for forming a limit fit with the second support (221).

11. The vision inspection system of claim 7, wherein the first arcuate track (1) and the second bracket (4) are mounted on a second mounting surface, and a projection of a center of the test part (B) on the second mounting surface coincides with a projection of a corresponding center of circle of the second arcuate track (212) on the second mounting surface.

12. The visual inspection system of claim 7, wherein the second rack (4) comprises a second chassis portion (43) and a second support chassis portion (44), the second support chassis portion (44) being mounted to the second chassis portion (43), the second clamping portion (41) being mounted to the second support chassis portion (44), comprising a plurality of clamping mechanisms (411) for clamping the test component (B).

13. The visual inspection system of claim 12, further comprising a support floor (5), wherein the first arcuate rail (1), the first bracket (3), and the second bracket (4) are each adjustably mountable to the support floor (5) in a mounting position, the second bracket (4) being located between the first arcuate rail (1) and the first bracket (3).

14. The visual inspection system of claim 8, wherein the segment of the first arcuate track (1) for the travel of the first support (21) corresponds to a central angle of between 25 ° and 35 °;

the central angle corresponding to the section of the second arc-shaped track (212) for the second support (221) to run is 25-35 degrees.

Images