CN210833421U

CN210833421U - Visual detection device for detecting height of workpiece and detection equipment

Info

Publication number: CN210833421U
Application number: CN201921569929.0U
Authority: CN
Inventors: 吴加富; 缪磊; 马纪飞; 魏成龙; 文太平; 马伟
Original assignee: Suzhou RS Technology Co Ltd
Current assignee: Suzhou RS Technology Co Ltd
Priority date: 2019-09-20
Filing date: 2019-09-20
Publication date: 2020-06-23
Anticipated expiration: 2029-09-20

Abstract

The utility model provides a visual detection device for detecting the height of a workpiece, which comprises a detection component, wherein the detection component comprises a plurality of visual detection units and laser detection units, and the visual detection units are used for detecting the external outline of the workpiece; the laser detection unit is used for detecting the height difference of the workpiece bending part; the detection device comprises the detection assembly and a portal frame, wherein the detection assembly is arranged on the portal frame; install drive unit on the portal frame, order about the determine module motion through drive unit, the determine module of being convenient for moves different positions and detects the work piece, the utility model discloses simple structure is convenient for maintain.

Description

Visual detection device for detecting height of workpiece and detection equipment

Technical Field

The utility model belongs to the check out test set field, concretely relates to detect visual detection device of work piece height, still concretely relates to check out test set.

Background

In workpiece assembly, a common situation exists, a part of one workpiece needs to be inserted into another workpiece, high matching precision is needed between the two workpieces, and main influence factors include whether the shape of the part inserted into the other workpiece is consistent with a socket or not and whether the height of the inserted part is consistent with the depth of the socket or not; in the automatic assembly, the external shape and height of the workpiece need to be detected for convenient matching, but the detection needs to be carried out in two detection steps, which wastes time and increases the volume of the detection equipment, and an integrated detector is needed to solve the problems.

SUMMERY OF THE UTILITY MODEL

In order to overcome the not enough of prior art, the utility model provides a detect visual detection device of work piece height will detect work piece appearance profile and the equipment fixing of height on same station to integrate into a station with two stations, reduce and detect the station volume, improve detection efficiency, this mechanism convenient to use, simple structure.

The utility model provides a visual detection device for detecting the height of a workpiece, which comprises a detection assembly, wherein the detection assembly comprises a plurality of visual detection units and a laser detection unit;

the detection direction of the visual detection unit is perpendicular to the outer contour of the workpiece, so that the visual detection unit detects the outer contour of the workpiece;

an included angle exists between the detection direction of the laser detection unit and the workpiece, so that the laser detection unit detects the height difference of the bent part of the workpiece.

Preferably, the detection assembly further comprises a bracket;

the bracket is used for connecting the detection components to form a whole; wherein the content of the first and second substances,

the laser detection unit is hinged with the bracket;

and an inclined scale convenient for observation is arranged at the position, close to the hinge point, on the laser detection unit.

Preferably, the number of the visual detection units is two, and the visual detection units detect two groups of workpieces side by side.

Preferably, the detection assembly comprises an identification unit, through which the workpiece is identified, the identification unit being arranged between the detection paths of the two visual detection units.

Preferably, the recognition unit is arranged at the front end of the visual detection unit, and before the visual detection unit detects the workpiece, the recognition unit recognizes the recognition code of the end part of the workpiece.

Preferably, the number of the laser detection units is consistent with that of the visual detection units, so that the visual detection units and the laser detection units detect the workpiece simultaneously.

Preferably, the number of the laser detection units is one, and the laser detection units comprise linear drivers which drive the laser detection units to reciprocate along the two visual detection units.

Preferably, the detection device comprises the detection assembly and a portal frame, wherein the detection assembly is mounted on the portal frame; the portal frame is provided with a driving unit, and the driving unit drives the detection assembly to move;

the portal frame comprises an upright post, a connecting post and a cross beam;

the upright post is used for supporting the portal frame;

the cross beam is used for mounting the detection assembly;

the connecting column is used for connecting the portal frames into a whole.

Preferably, the driving unit comprises a first linear motor and a second linear motor, the first linear motor is mounted on the connecting column, and the beam is driven by the first linear motor to move along the extending direction of the connecting column;

the second linear motor is installed on the cross beam, and the detection assembly is driven by the second linear motor to move along the extension direction of the cross beam.

Preferably, the number of the connecting columns is two, the cross beams are erected between the connecting columns, the number of the first linear motors is the same as that of the connecting columns, and the cross beams are driven by the two first linear motors at the same time; the first linear motor is arranged on two sides deviating from the connecting column;

still install on the spliced pole and be used for right the crossbeam removes the first guide that plays the guide effect, first guide sets up on the face of setting up of crossbeam.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the utility model provides a visual detection device for detecting the height of a workpiece, which detects the outline of the workpiece through a visual detection unit, simultaneously detects the height of the workpiece through a laser detection unit, and simultaneously detects the number of stations of the workpiece, thereby improving the detection efficiency; the utility model provides a check out test set utilizes drive unit to order about the detection component motion, makes things convenient for the detection component to remove to different position detection work piece, the utility model discloses convenient to use, simple structure.

The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings. The detailed description of the present invention is given by the following examples and the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:

fig. 1 is a schematic perspective view of a detecting assembly according to an embodiment of the present invention;

fig. 2 is a schematic view of a part of the structure of the detecting assembly according to an embodiment of the present invention;

fig. 3 is a schematic perspective view illustrating a second embodiment of a detecting assembly according to the present invention;

fig. 4 is a right side view of the detection assembly in an embodiment of the present invention;

FIG. 5 is an enlarged partial schematic view of FIG. 4;

fig. 6 is a bottom view of the detection assembly in an embodiment of the present invention;

fig. 7 is a schematic perspective view of a detection device according to an embodiment of the present invention;

fig. 8 is a schematic perspective view of a gantry in an embodiment of the present invention;

fig. 9 is a partial schematic view of a workpiece according to an embodiment of the invention.

Shown in the figure:

100. a substrate; 200. a gantry; 210. a column; 220. connecting columns; 221. a first guide member; 230. a first linear motor; 240. a cross beam; 250. a second linear motor; 251. a second guide member; 400. a detection component; 410. a support; 411. an adapter plate; 420. a visual detection unit; 430. a laser detection unit; 431. inclining scales; 440. an identification unit; 510. and (5) a workpiece.

Detailed Description

The foregoing and other objects, features, aspects and advantages of the present invention will become more apparent to those skilled in the art from the following detailed description, which, taken in conjunction with the annexed drawings, discloses a more detailed description of the present invention, which will enable those skilled in the art to make and use the present invention. In the drawings, the shape and size may be exaggerated for clarity, and the same reference numerals will be used throughout the drawings to designate the same or similar components. In the following description, terms such as center, thickness, height, length, front, back, rear, left, right, top, bottom, upper, lower, and the like are used based on the orientation or positional relationship shown in the drawings. In particular, "height" corresponds to the dimension from top to bottom, "width" corresponds to the dimension from left to right, and "depth" corresponds to the dimension from front to back. These relative terms are for convenience of description and are not generally intended to require a particular orientation. Terms concerning attachments, coupling and the like (e.g., "connected" and "attached") refer to a relationship wherein structures are secured or attached, either directly or indirectly, to one another through intervening structures, as well as both movable or rigid attachments or relationships, unless expressly described otherwise.

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.

As shown in fig. 1-4, a visual inspection apparatus for inspecting the height of a workpiece includes an inspection assembly 400, wherein the inspection assembly 400 includes a plurality of visual inspection units 420 and a laser inspection unit 430; in a preferred embodiment, as shown in fig. 9, a part of the workpiece 510 is bent, and the bent part of the workpiece 510 is a part connected with a component, so that in order to achieve precise matching, the outer contour dimension of the workpiece 510 needs to be detected, and the height difference between the bent part of the workpiece 510 and the rest part needs to be detected; the vision detection unit 420 is identical to the laser detection unit 430; in order to precisely obtain the outer contour of the workpiece 510, the detection direction of the visual detection unit 420 is perpendicular to the outer contour of the workpiece 510, and precise imaging is obtained by the visual detection unit 420, so that the visual detection unit 420 detects the outer contour of the workpiece 510; the detection direction of the laser detection unit 430 forms an included angle with the workpiece 510, so that the laser detection unit 430 detects the height difference of the bent workpiece 510, and detects the height difference of the bent part of the workpiece 510 in an oblique shooting mode.

As shown in fig. 2, in a preferred embodiment, the number of the vision inspection units 420 is two, the inspection units 420 are a two-station inspection unit, and the vision inspection units 420 are arranged side by side, so that the vision inspection units 420 and the laser inspection units 430 can simultaneously inspect two groups of workpieces 510.

In another preferred embodiment, the number of the vision inspection units 420 is two, the number of the laser inspection units 430 is one, wherein the vision inspection units 420 are arranged side by side to simultaneously inspect two groups of workpieces 510, and the laser inspection unit 430 includes a linear driver for driving the laser inspection unit 430 to reciprocate between the two vision inspection units 420, and the two groups of workpieces 510 are inspected by reciprocating a laser inspection unit 430 between the two groups of workpieces 510.

The detection assembly 400 further includes a bracket 410; wherein the vision detecting unit 420 is installed in the support 410, and the laser detecting unit 430 is hinged to the support 410, so that the support 410 serves as a skeleton of the detector.

As shown in fig. 4 and 5, the laser detection unit 430 is provided with an inclined scale 431 at a position close to the hinge point, and the inclined angle of the laser detection unit 430 can be easily known by comparing with the fixed support 410, because the laser detection unit 430 is hinged with the support 410, the laser detection unit 430 is convenient to rotate, so that the inclined angle of the laser detection unit 430 can be adjusted, and the inclined scale 431 can conveniently and accurately know the inclined angle of the laser detection unit 430, thereby facilitating the operator to adjust the laser detection unit 430 to an accurate detection position.

The inspection assembly 400 includes an identification unit 440, the identification unit 440 is mounted on the frame 410 and identifies the workpiece 510 by using the identification unit 440, in a preferred embodiment, the identification unit 440 is a bar code scanner, scans a bar code on the workpiece 510, and knows the information of the workpiece 510, thereby knowing the inspection progress.

As shown in fig. 8, in a preferred embodiment, the recognition unit 440 is disposed between the detection paths of the two visual detection units 420; the identification unit 440 is arranged at the front end of the visual detection unit 420, before the visual detection unit 420 detects the workpieces 510, the identification unit 440 identifies the identification codes at the end parts of the workpieces 510, the identification code between the two workpieces 510 is preferably identified through the identification unit 440, the information of the workpieces 510 is identified, and the initial positioning function is simultaneously realized at the same time, because the positions of the identification codes correspond to the positions of the identification unit 440, when the identification code can be identified by the identification unit 440, the positions of the workpieces 510 are relatively accurate, only fine adjustment is needed, and if the identification code cannot be identified by the identification unit 440, the workpiece 510 is deviated or the workpiece 510 is placed, human intervention is needed, and specific problems are found and then detected; when detecting a plurality of groups of workpieces 510 by the technical solution in the preferred embodiment, since the dual-vision detecting unit 420 detects two groups of workpieces 510 at the same time, an identification code is placed between each two groups of workpieces 510, and after the identification code is identified by the identifying unit 440, the two groups of corresponding workpieces 510 can be detected, so that the detection process is simplified and more accurate.

As shown in fig. 7 and 8, the detection device comprises a detection assembly 400 and a portal frame 200, wherein the detection assembly 400 is mounted on the portal frame 200; the gantry 200 is provided with a driving unit, and the detection assembly 400 is driven to move by the driving unit.

The gantry 200 comprises a column 210, a connecting column 220 and a beam 240, wherein the column 210 is fixed on the substrate 100, and the column 210 is used for supporting the gantry 200; the upright columns 210 are connected through the connecting columns 220, so that the connecting columns 220 and the upright columns 210 form a support structure of the portal frame 200, the number of the connecting columns 220 is two, the cross beams 240 are erected between the connecting columns 220, and the cross beams 240 are used for installing the detection assemblies 400; the connecting column 220 is used for connecting the portal frames 200 into a whole.

The driving unit comprises a first linear motor 230 and a second linear motor 250, the first linear motor 230 is mounted on the connecting column 220, and the beam 240 is driven by the first linear motor 230 so that the beam 240 moves along the extending direction of the connecting column 220; the second linear motor 250 is mounted on the cross beam 240, and the detection assembly 400 is driven by the second linear motor 250 such that the detection assembly 400 moves in the extending direction of the cross beam 240.

In a preferred embodiment, the number of the first linear motors 230 is the same as that of the connection columns 220, and the two first linear motors 230 drive the beam 240 simultaneously, so that the movement of the beam 240 is more stable, the movement of the detection assembly 400 mounted on the beam 240 is stable in the detection process, the imaging quality is improved, and the detection result is more accurate.

A first guide 221 is installed on the connection column 220, and the moving direction of the cross beam 240 is guided by the first guide 221; the bracket 410 includes an adapter plate 411, the adapter plate 411 is connected to the second linear motor 250, the adapter plate 411 is driven by the second linear motor 250, so that the visual inspection unit 420 and the laser inspection unit 430 mounted on the bracket 410 move, the cross beam 240 is mounted with a second guide 251, the adapter plate 411 is connected to the second guide 251, and the movement direction of the inspection assembly 400 is guided by the second guide 251.

In a preferred embodiment, the first linear motors 230 are installed at two sides of the connecting column 220 facing away from each other, the first guiding members 221 are disposed on the setting surface of the cross beam 240, and the driving tracks of the first linear motors 230 are limited by the first guiding members 221 on the connecting column 220, so that the first linear motors 230 on the two connecting columns 220 cooperate to make the movement of the cross beam 240 more stable.

The utility model provides an integrated detector, which detects the outline of a workpiece through a visual detection unit, detects the height of the workpiece through a laser detection unit, and detects the number of stations of the workpiece to improve the detection efficiency; identifying the workpiece by using the identification unit and knowing the workpiece information; the laser detection unit is hinged with the support, so that the laser detection unit can conveniently adjust the inclination angle, meanwhile, the laser detection unit is provided with the inclination scale, the laser detection unit can be more intuitively understood to adjust the inclination angle, and the laser detection unit can be adjusted to a proper angle; a detection device drives a detection assembly to move by using a driving unit, so that the detection assembly can be conveniently moved to different positions to detect workpieces; through two linear electric motor drive crossbeams for the crossbeam motion is more stable, the utility model discloses convenient to use, simple structure.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way; the utility model can be smoothly implemented by the ordinary technicians in the industry according to the drawings and the above description; however, those skilled in the art should understand that changes, modifications and variations made by the above-described technology can be made without departing from the scope of the present invention, and all such changes, modifications and variations are equivalent embodiments of the present invention; meanwhile, any changes, modifications, evolutions, etc. of the above embodiments, which are equivalent to the actual techniques of the present invention, still belong to the protection scope of the technical solution of the present invention.

Claims

1. A visual inspection apparatus for inspecting the height of a workpiece, comprising an inspection assembly (400), characterized in that: the detection assembly (400) comprises a plurality of visual detection units (420) and a laser detection unit (430);

the detection direction of the visual detection unit (420) is perpendicular to the outer contour of the workpiece (510), so that the visual detection unit (420) detects the outer contour of the workpiece (510);

the detection direction of the laser detection unit (430) and the workpiece (510) form an included angle, so that the laser detection unit (430) detects the height difference of the bent part of the workpiece (510).

2. A visual inspection apparatus for inspecting the height of a workpiece as set forth in claim 1, wherein: the detection assembly (400) further comprises a bracket (410);

the bracket (410) is used for connecting the detection assembly (400) into a whole; wherein the content of the first and second substances,

the laser detection unit (430) is hinged with the bracket (410);

an inclined scale (431) convenient for observation is arranged on the laser detection unit (430) at a position close to the hinge point.

3. A visual inspection apparatus for inspecting the height of a workpiece as set forth in claim 1, wherein: the number of the visual detection units (420) is two, and the visual detection units (420) detect two groups of workpieces (510) side by side.

4. A visual inspection apparatus for inspecting the height of a workpiece as set forth in claim 3, wherein: the detection assembly (400) comprises an identification unit (440), a workpiece (510) is identified through the identification unit (440), and the identification unit (440) is arranged between the detection paths of the two visual detection units (420).

5. A visual inspection apparatus for inspecting the height of a workpiece as set forth in claim 4, wherein: the identification unit (440) is arranged at the front end of the visual detection unit (420), and before the visual detection unit (420) detects the workpiece (510), the identification unit (440) identifies the identification code at the end part of the workpiece (510).

6. A visual inspection apparatus for inspecting the height of a workpiece as set forth in claim 3, wherein: the number of the laser detection units (430) is consistent with that of the visual detection units (420), so that the visual detection units (420) and the laser detection units (430) can simultaneously detect the workpieces (510).

7. A visual inspection apparatus for inspecting the height of a workpiece as set forth in claim 3, wherein: the number of the laser detection units (430) is one, the laser detection units (430) comprise linear drivers, and the linear drivers drive the laser detection units (430) to reciprocate along the two visual detection units (420).

8. A detection apparatus, characterized by: comprising a detection assembly (400) according to any one of claims 1 to 7, a gantry (200), said detection assembly (400) being mounted on said gantry (200); a driving unit is arranged on the portal frame (200), and drives the detection assembly (400) to move through the driving unit;

the portal frame (200) comprises a vertical column (210), a connecting column (220) and a cross beam (240);

the upright column (210) is used for supporting the portal frame (200);

the cross beam (240) is used for mounting the detection assembly (400);

the connecting column (220) is used for connecting the portal frames (200) into a whole.

9. A test device as claimed in claim 8, wherein: the driving unit comprises a first linear motor (230) and a second linear motor (250), the first linear motor (230) is mounted on the connecting column (220), and the cross beam (240) is driven by the first linear motor (230) to move along the extending direction of the connecting column (220);

the second linear motor (250) is mounted on the cross beam (240), and the detection assembly (400) is driven by the second linear motor (250) so that the detection assembly (400) moves along the extension direction of the cross beam (240).

10. A testing device according to claim 9, wherein: the number of the connecting columns (220) is two, the cross beams (240) are erected between the connecting columns (220), the number of the first linear motors (230) is the same as that of the connecting columns (220), and the cross beams (240) are driven by the two first linear motors (230) at the same time; the first linear motor (230) is arranged on two sides of the connecting column (220) which are deviated from each other;

still install on the spliced pole (220) and be used for right crossbeam (240) remove and play guide effect's first guide (221), first guide (221) set up on the face of setting up of crossbeam (240).