CN109029371B - Visual inspection apparatus - Google Patents
Visual inspection apparatus Download PDFInfo
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- CN109029371B CN109029371B CN201810597323.1A CN201810597323A CN109029371B CN 109029371 B CN109029371 B CN 109029371B CN 201810597323 A CN201810597323 A CN 201810597323A CN 109029371 B CN109029371 B CN 109029371B
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- 238000011179 visual inspection Methods 0.000 title claims abstract description 27
- 230000007246 mechanism Effects 0.000 claims abstract description 29
- 238000001514 detection method Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 11
- 230000008569 process Effects 0.000 description 9
- 230000003014 reinforcing effect Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C11/00—Photogrammetry or videogrammetry, e.g. stereogrammetry; Photographic surveying
- G01C11/02—Picture taking arrangements specially adapted for photogrammetry or photographic surveying, e.g. controlling overlapping of pictures
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- Remote Sensing (AREA)
- Image Input (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Abstract
The present invention provides a visual inspection apparatus comprising: the guide mechanism is used for enabling the image acquisition plane of the object moving along the preset track to extend along the extending direction of the preset track; the image acquisition system comprises an image acquisition module, and an image acquisition head of the image acquisition module is arranged towards the object to acquire image information of the object. The vision detection equipment solves the problem that the vision detection equipment in the prior art cannot automatically adjust the position of an object.
Description
Technical Field
The invention relates to the field of image acquisition, in particular to visual detection equipment.
Background
The visual inspection device in the prior art is mostly composed of a camera and a light source, and performs image acquisition aiming at an object at a certain preset position. In the conveying process of the object on the assembly line, the position deviation problem often occurs due to the reversing of the assembly line or the influence of the outside, so that the conveying position of the object is changed, the object is influenced to reach the preset position, and the acquisition of image information is directly influenced. Therefore, it is often necessary to adjust the position of the offset object during the transportation of the object. Or the object is adjusted after being transported in place, and most of the existing adjusting means are manual adjustment, so that the accuracy is poor and the adjusting efficiency is low.
Disclosure of Invention
The invention mainly aims to provide a visual inspection device to solve the problem that the visual inspection device in the prior art cannot automatically adjust the position of an object.
In order to achieve the above object, the present invention provides a visual inspection apparatus comprising: the guide mechanism is used for enabling the image acquisition plane of the object moving along the preset track to extend along the extending direction of the preset track; the image acquisition system comprises an image acquisition module, and an image acquisition head of the image acquisition module is arranged towards the object to acquire image information of the object.
Further, the image acquisition system further includes: the light source module, the light emitting surface of the light source module is set up towards the object; the image acquisition module is arranged on one side of the light source module, which is away from the light emitting surface.
Further, a through hole is formed in the light source module, the image acquisition head and the through hole are arranged oppositely, and the through hole is formed in the middle of the light source module.
Further, the image acquisition system further includes: and the mounting part is arranged on the light source module and the image acquisition module at intervals, and the position of the mounting part is adjustably arranged to drive the image acquisition module and the light source module to synchronously move.
Further, the image acquisition system further includes: the movable part is arranged on the mounting part and is movably arranged along the direction approaching or far away from the object so as to drive the image acquisition module and the light source module to synchronously move along the direction approaching or far away from the object through the mounting part; wherein the mounting portion is movably disposed with respect to the moving portion in a direction perpendicular to a moving direction of the moving portion.
Further, the image acquisition system further includes: the moving part is movably arranged on the mounting frame; the second driving part is arranged on the mounting frame and is in driving connection with the moving part so as to drive the moving part to move on the mounting frame along the direction approaching or departing from the object.
Further, the guide mechanism includes: the guide part body at least partially extends along the extending direction of the preset track; the device comprises a guide part body, wherein a rotating part is arranged on the guide part body and is used for being in contact with a plane to be acquired by an image, and when the plane to be acquired by the image is offset from a preset track, the rotating part pushes an object to adjust the position so that the included angle between the plane to be acquired by the image and the preset track is 0.
Further, the rotating portion is rotatably disposed so that the rotating portion contacts and rotates relative to the image collection plane to be collected when the object moves along the preset trajectory.
Further, the plurality of rotating parts are arranged at intervals along the extending direction of the guide part body.
Further, the guide body includes: the first guide section is used for enabling an object to enter a conveying line for driving the object to move along a preset track along the extending direction of the first guide section, and a first preset included angle a is formed between the extending direction of the first guide section and the extending direction of the preset track, wherein a is more than or equal to 0 and less than or equal to 90 degrees; the second guiding section is connected with the first guiding section and extends along the extending direction of the preset track.
Further, the guide part body comprises a first plate body and second plate bodies arranged at two ends of the first plate body, the first plate body and the two second plate bodies form a U-shaped structure, and the two second plate bodies are provided with rotating parts.
Further, the guide mechanism further includes: and the third driving part is in driving connection with the guide part body so as to drive the guide part body to be movably arranged along the direction approaching or separating from the object.
The vision detection equipment provided by the invention enables the image acquisition plane of the object moving along the preset track to extend along the extending direction of the preset track through the guide mechanism, and then the image information of the object is acquired through the image acquisition module. Wherein, the image acquisition head of image acquisition module sets up towards the object. In a specific image acquisition process, an object reaches an image acquisition position along a preset track, if the object deviates in the preset track, the guide mechanism guides the object, and after the object reaches the image acquisition position, the image acquisition module acquires image information of the object. The vision detection equipment can adjust the position of the object through the guide mechanism, and solves the problem that the vision detection equipment in the prior art cannot automatically adjust the position of the object.
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 specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:
fig. 1 shows a schematic diagram of an application structure of a visual inspection apparatus according to the present invention;
fig. 2 shows a schematic structural view of a first view of an embodiment of a visual inspection device according to the invention;
fig. 3 shows a schematic structural view of a second view of an embodiment of a visual inspection device according to the invention;
fig. 4 shows a schematic diagram of an application structure of the guide mechanism of the visual inspection apparatus according to the present invention;
fig. 5 shows a schematic structural view of a first view of the alignment mechanism of the visual inspection apparatus according to the present invention;
fig. 6 shows a schematic structural view of a second view of the alignment mechanism of the visual inspection apparatus according to the present invention;
fig. 7 is a schematic view showing a connection structure of an image acquisition module and a first viewing angle of a light source module of the visual inspection apparatus according to the present invention;
fig. 8 is a schematic view showing a connection structure of the image acquisition module and the second viewing angle of the light source module of the visual inspection apparatus according to the present invention.
Wherein the above figures include the following reference numerals:
10. a light source module; 11. a through hole; 20. an image acquisition module; 30. a mounting part; 31. a mounting plate; 32. a support plate; 33. a support frame; 34. a first sliding portion; 40. a moving part; 41. a moving plate; 42. a first guide post; 43. a connecting plate; 44. a first driving section; 45. a stop sleeve; 50. a mounting frame; 60. a second driving section;
70. a conveying line; 80. an object; 81. a plane to be acquired; 90. a guide part body; 91. a rotating part; 92. a first pilot segment; 93. a second pilot segment; 94. reinforcing ribs; 100. a third driving section; 110. a drive unit mount; 120. a second guide post; 130. a second sliding part; 140. and a display module.
Detailed Description
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The invention will be described in detail below with reference to the drawings in connection with embodiments.
It should be noted that the following detailed description is illustrative and is intended to provide further explanation of the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
The present invention provides a visual inspection apparatus, please refer to fig. 1 to 8, which includes: the guide mechanism is used for enabling the image acquisition plane 81 to be acquired of the object 80 moving along the preset track to extend along the extending direction of the preset track; the image acquisition system comprises an image acquisition module 20, and an image acquisition head of the image acquisition module 20 is arranged towards the object 80 to acquire image information of the object 80.
The vision inspection apparatus of the present invention extends the image collection plane 81 of the object 80 moving along the preset track along the extending direction of the preset track by the guide mechanism, and then acquires the image information of the object 80 by the image collection module 20. Wherein the image acquisition head of the image acquisition module 20 is arranged towards the object 80. In a specific image capturing process, the object 80 reaches an image capturing position along a preset track, and if the preset track is deviated, the guiding mechanism guides the object 80, and after the object 80 reaches the image capturing position, the image capturing module 20 obtains image information of the object 80. The vision detecting device can adjust the position of the object 80 through the guide mechanism, and solves the problem that the vision detecting device in the prior art cannot automatically adjust the position of the object.
In this embodiment, the object 80 is sent to a preset track under the action of a certain conveying line, then the position of the object 80 is ensured by the guide mechanism, and after the object reaches the image acquisition position, the image acquisition module 20 acquires the image of the plane 81 to be acquired of the object 80.
To ensure that the image acquisition module 20 acquires clear image information, the image acquisition system further includes: a light source module 10, a light emitting surface of the light source module 10 being disposed toward the object 80; wherein the image acquisition module 20 is arranged on one side of the light source module 10 facing away from the light emitting surface.
In this embodiment, by disposing the image capturing module 20 on the side of the light source module 10 facing away from the light emitting surface, it is ensured that there is sufficient light source on the object, so that the image capturing module 20 captures a clear image. Wherein the light emitting surface of the light source module 10 faces the object to be captured with the image, and the image capturing head of the image capturing module 20 faces the object. When specific image acquisition, because image acquisition module 20 sets up in the one side that light source module 10 deviate from the light emitting surface, under the prerequisite that has sufficient light source on guaranteeing the object, the light source can not penetrate image acquisition module 20 directly to can guarantee the definition of the image of gathering, solve the relatively poor problem of image definition that image acquisition system gathered among the prior art.
Considering that the image acquisition module 20 is disposed at a side of the light source module 10 facing away from the light emitting surface, in order to ensure that the image acquisition module 20 acquires image information, the light source module 10 is provided with a through hole 11, and the image acquisition head is disposed opposite to the through hole 11, wherein the through hole 11 is disposed in the middle of the light source module 10.
In the present embodiment, by providing the through-hole 11 on the light source module 10, wherein the image pickup head is disposed opposite to the through-hole 11, it is possible to ensure that the image pickup head can acquire image information of an object.
In the present embodiment, by providing the through hole 11 in the middle of the light source module 10, efficient use of space can be ensured.
Preferably, the through-hole 11 is spaced apart from the image pickup head in the axial direction of the through-hole 11.
Optionally, the image acquisition head is disposed through the through hole 11.
In order to ensure that the image acquisition module 20 acquires complete image information, the through hole 11 is a round hole, and projections of the image acquisition head on a plane of an orifice of the round hole are all positioned on the orifice.
In this embodiment, the through hole 11 is configured as a circular hole, where the projections of the image capturing head on the plane where the aperture of the circular hole is located are all located on the aperture, that is, the aperture of the circular hole is larger than the maximum diameter value of the outer edge of the image capturing head.
Considering the installation positions of the light source module 10 and the image capturing module 20, as shown in fig. 8, the image capturing system further includes: the mounting part 30, the light source module 10 and the image acquisition module 20 are arranged on the mounting part 30 at intervals, and the position of the mounting part 30 is adjustably arranged so as to drive the image acquisition module 20 and the light source module 10 to synchronously move.
In this embodiment, the image acquisition system further includes: the mounting portion 30 can ensure that the centers of the light source module 10 and the image pickup module 20 are on the same line by providing the light source module 10 and the image pickup module 20 on the mounting portion 30 at a distance.
In this embodiment, the position of the mounting portion 30 is adjustably set, so that the image acquisition module 20 and the light source module 10 can be driven to move synchronously.
For the specific structure of the mounting portion 30, the mounting portion 30 includes: a mounting plate 31; the support plate 32, the support plate 32 is connected with the mounting plate 31, and the light source module 10 is connected with the support plate 32 such that the light source module 10 is mounted on the mounting plate 31 through the support plate 32.
In the present embodiment, the mounting portion 30 includes the mounting plate 31 and the support plate 32, wherein the support plate 32 is connected to the mounting plate 31, and the light source module 10 is connected to the support plate 32, so that the light source module 10 can be mounted on the mounting plate 31 through the support plate 32.
In order to enable the light source module 10 to be stably mounted on the mounting plate 31, a plurality of support plates 32 are provided, and a plurality of support plates 32 are provided on the mounting plate 31 at intervals, wherein each support plate 32 is connected to the light source module 10.
In the present embodiment, by providing the support plates 32 in plural, in which the plurality of support plates 32 are provided on the mounting plate 31 at intervals, each support plate 32 is connected to the light source module 10, so that it is possible to ensure stable mounting of the light source module 10 on the mounting plate 31.
In the present embodiment, at least two support plates 32 are provided at both sides of the light source module 10.
To the concrete structure of backup pad 32, backup pad 32 includes first plate body and second plate body, and first plate body section is the L shaped plate, and one plate section of L shaped plate is connected with one side that light source module 10 deviates from the light emitting area, and another plate section of L shaped plate is connected with mounting panel 31, and the second plate body is straight board, and two plate sections of second plate body and L shaped plate are all connected.
In this embodiment, the support plate 32 is composed of a first plate body and a second plate body, wherein the first plate body section is an L-shaped plate, one plate section of the L-shaped plate is connected with one side of the light source module 10 facing away from the light emitting surface, and the other plate section of the L-shaped plate is connected with the mounting plate 31, so that the stability of the mounting is ensured by the support plate 32 and the mounting plate 31.
In this embodiment, the second plate body is a straight plate, and the second plate body is connected to two plate segments of the L-shaped plate.
In order to be able to set the image acquisition module 20 on the support 33, the mounting portion 30 further comprises: the support frame 33, the support frame 33 is connected with the mounting plate 31, the image acquisition module 20 is connected with the support frame 33, so that the image acquisition module 20 is arranged on the mounting plate 31 through the support frame 33; wherein the support 33 is located in the middle of the mounting plate 31.
In the present embodiment, the support 33 is provided on the mounting portion 30, wherein the support 33 is connected to the mounting plate 31, and the image capturing module 20 is connected to the support 33, so that the image capturing module 20 can be disposed on the mounting plate 31 through the support 33.
In the present embodiment, the support 33 is located in the middle of the mounting plate 31.
In this embodiment, the support 33 includes a U-shaped plate disposed on the mounting plate 31, and a straight plate is disposed on the U-shaped plate, and the image capturing module 20 is disposed on the straight plate.
In this embodiment, the image acquisition module 20 includes at least a camera.
To enable movement of the image acquisition module 20 and the light source module 10, as shown in fig. 1 and 2, the image acquisition system further includes: a moving part 40, the mounting part 30 is arranged on the moving part 40, the moving part 40 is movably arranged along the direction approaching or separating from the object 80, so that the image acquisition module 20 and the light source module 10 are driven by the mounting part 30 to synchronously move along the direction approaching or separating from the object 80; wherein the mounting portion 30 is movably provided with respect to the moving portion 40 in a direction perpendicular to a moving direction of the moving portion 40.
In the present embodiment, by providing the moving portion 40 on the image capturing system, wherein the mounting portion 30 is provided on the moving portion 40, the moving portion 40 is movably provided in a direction approaching or separating from the object 80, so that the image capturing module 20 and the light source module 10 can be driven by the mounting portion 30 to move synchronously in the direction approaching or separating from the object 80.
In the present embodiment, the mounting portion 30 is movably provided with respect to the moving portion 40 in a direction perpendicular to the moving direction of the moving portion 40.
In order to enable the mounting portion 30 to be movably provided with respect to the moving portion 40 in a direction perpendicular to a moving direction of the moving portion 40, as shown in fig. 1, the first sliding portion 34 is provided on the mounting portion 30, and the moving portion 40 includes: a moving plate 41, the moving plate 41 being movably disposed in a direction approaching or separating from the object 80 to drive the image capturing module 20 and the light source module 10 to move synchronously in the direction approaching or separating from the object 80 by the mounting portion 30; the first guide post 42, one end of the first guide post 42 is connected to the moving plate 41, the first guide post 42 is inserted into the first sliding portion 34, and the first guide post 42 is movably disposed with respect to the first sliding portion 34 so that the first sliding portion 34 moves in the axial direction of the first guide post 42 when the mounting portion 30 moves with respect to the moving plate 41.
In the present embodiment, the moving part 40 includes a moving plate 41 and a first guide post 42, wherein the moving plate 41 is movably disposed in a direction approaching or separating from the object 80 to drive the image capturing module 20 and the light source module 10 to move synchronously in the direction approaching or separating from the object 80 by the mounting part 30.
In the present embodiment, one end of the first guide post 42 is connected to the moving plate 41, and the first guide post 42 is disposed in the first sliding portion 34 in a penetrating manner, wherein the first guide post 42 is movably disposed with respect to the first sliding portion 34, so that the first sliding portion 34 is driven to move along the axial direction of the first guide post 42 when the mounting portion 30 moves with respect to the moving plate 41.
Preferably, the moving part 40 further includes: a connection plate 43, the connection plate 43 being provided at an end of the first guide post 42 away from the moving plate 41, the mounting portion 30 being provided between the connection plate 43 and the moving plate 41; the first driving part 44, the first driving part 44 is provided on the connection plate 43, and the first driving part 44 is drivingly connected with the mounting part 30 to drive the mounting part 30 to move in a direction approaching or separating from the moving plate 41.
In the present embodiment, the mounting portion 30 is moved in a direction approaching or moving away from the moving plate 41 by the first driving portion 44 provided on the connecting plate 43, so that the moving plate 41 moves the first sliding portion 34 in the axial direction of the first guide post 42.
Preferably, the first driving part 44 includes a screw having one end rotatably connected to the moving plate 41 after passing through the mounting part 30 to drive the mounting part 30 to move in a direction approaching or moving away from the moving plate 41 when the screw rotates.
In the present embodiment, the first driving part 44 further includes a hand wheel, by which the screw is driven to rotate, thereby driving the mounting part 30 to move in a direction approaching or separating from the moving plate 41.
In order to control the moving distance of the mounting portion 30, as shown in fig. 3, the moving portion 40 further includes: the stop sleeve 45 is sleeved on the first guide post 42, and the stop sleeve 45 is arranged between the connecting plate 43 and the first sliding part 34; the mounting portion 30 drives the stop sleeve 45 to move along the axial direction of the first guide post 42, and when the mounting portion 30 moves by a preset distance, the stop sleeve 45 is in limiting contact with both the connecting plate 43 and the first sliding portion 34.
In the present embodiment, by providing the stopper sleeve 45 on the moving portion 40, wherein the stopper sleeve 45 is sleeved on the first guide post 42, the stopper sleeve 45 is provided between the connection plate 43 and the first sliding portion 34. The mounting portion 30 drives the stop sleeve 45 to move along the axial direction of the first guide post 42, and when the mounting portion 30 moves by a preset distance, the stop sleeve 45 is in limiting contact with both the connecting plate 43 and the first sliding portion 34, so that the moving distance of the mounting portion 30 is limited.
Preferably, the image acquisition system further comprises: a mounting frame 50, the moving part 40 being movably provided on the mounting frame 50; the second driving part 60, the second driving part 60 is disposed on the mounting frame 50, and the second driving part 60 is in driving connection with the moving part 40 to drive the moving part 40 to move on the mounting frame 50 in a direction approaching or separating from the object 80.
In this embodiment, a sliding block is disposed on the moving portion 40, and a sliding rail is disposed on the mounting frame 50, where the sliding block drives the moving portion 40 to move along the sliding rail.
Preferably, the plurality of first guide posts 42 are provided at intervals, the plurality of first sliding portions 34 are provided, and the plurality of first guide posts 42 are provided in one-to-one correspondence with the plurality of first sliding portions 34.
Preferably, the second driving part 60 includes a screw driving the moving part 40 to move on the mounting frame 50.
Preferably, as shown in fig. 4 to 6, the guide mechanism includes: the guide part body 90, at least part of the guide part body 90 extends along the extending direction of the preset track; wherein, be provided with rotation portion 91 on the guide portion body 90, rotation portion 91 is used for contacting with waiting for image acquisition plane 81, when waiting for the skew takes place between image acquisition plane 81 and the track of predetermineeing, rotation portion 91 promotes object 80 adjustment position to make waiting for the contained angle between image acquisition plane 81 and the track of predetermineeing to be 0.
In the present embodiment, the alignment mechanism may extend the image acquisition plane 81 to be acquired of the object 80 along a preset trajectory by the alignment portion body 90 and the rotating portion 91. Wherein, at least part of the guiding portion body 90 extends along the extending direction of the preset track, the guiding portion body 90 is provided with a rotating portion 91, and the rotating portion 91 is used for contacting with the image acquisition plane 81 to be acquired. In the process of moving the object 80 along the preset track, if the object 80 is offset, that is, when an included angle exists between the to-be-acquired image plane 81 and the preset track, the rotating portion 91 pushes the object 80 to adjust the position, so that the to-be-acquired image plane 81 can extend along the preset track, that is, the included angle between the to-be-acquired image plane 81 and the preset track is 0.
In the present embodiment, the guide body 90 is used to maintain a fixed moving position of the object 80 entering the preset track, thereby being conveyed to the fixed position.
In order to be able to adjust the positions of the pilot body 90 and the object 80, the pilot body 90 is movably provided in a direction approaching or separating from the object 80.
The rotating portion 91 is rotatably provided in consideration of a state in which the object 80 is in motion during the centering process, so that the rotating portion 91 contacts the image-to-be-acquired plane 81 and rotates relative to the image-to-be-acquired plane 81 when the object 80 moves along a preset trajectory.
In the present embodiment, by rotatably providing the rotation portion 91, the rotation portion 91 is rotated with respect to the image-to-be-acquired plane 81 by the image-to-be-acquired plane 81 when the object 80 moves along the preset trajectory.
In order to secure a high-quality aligning effect, the plurality of rotating portions 91 are provided, and the plurality of rotating portions 91 are provided at intervals along the extending direction of the aligning portion body 90.
In the present embodiment, by providing the rotation portion 91 in plural, in which the plurality of rotation portions 91 are provided at intervals along the extending direction of the guide portion body 90, the plurality of rotation portions 91 are brought into contact with the image pickup plane 81 to be picked up and rotated with respect to the image pickup plane 81 to be picked up when the object 80 moves along the preset trajectory.
As shown in fig. 6, for a specific structure of the pilot portion body 90, the pilot portion body 90 includes: the first guiding section 92, the first guiding section 92 is configured to enable the object 80 to enter the conveying line 70 for driving the object 80 to move along a preset track along an extending direction of the first guiding section 92, and a first preset included angle a is formed between the extending direction of the first guiding section 92 and the extending direction of the preset track, wherein a is greater than or equal to 0 and less than or equal to 90 degrees; the second guiding section 93, the second guiding section 93 is connected with the first guiding section 92, and the second guiding section 93 extends along the extending direction of the preset track.
In the present embodiment, the guide portion body 90 includes: the first guiding section 92 and the second guiding section 93 need to enter into the conveying lines in different directions in the transportation process of the object 80, so that a first preset included angle a is formed between the extending direction of the first guiding section 92 and the extending direction of the preset track, the first guiding section 92 is used for enabling the object 80 to enter into the conveying line 70 for driving the object 80 to move along the preset track along the extending direction of the first guiding section 92, and the second guiding section 93 extends along the extending direction of the preset track.
In this embodiment, a is equal to or greater than 0 and equal to or less than 90 degrees, and the second guide section 93 is connected to the first guide section 92.
Preferably, the first pilot segment 92 is integrally formed with the second pilot segment 93.
In order to ensure the stability of the first guide section 92 and the second guide section 93, as shown in fig. 4, the guide portion body 90 further includes: the reinforcing rib 94, the reinforcing rib 94 is connected with the first guiding section 92 and the second guiding section 93, so that a second preset included angle b is formed between the first guiding section 92 and the second guiding section 93, wherein a+b=180°.
In this embodiment, the reinforcing ribs 94 are disposed on the guiding portion body 90, where the reinforcing ribs 94 are connected with the first guiding section 92 and the second guiding section 93, so that a second preset included angle b is formed between the first guiding section 92 and the second guiding section 93, and it is also ensured that the included angle between the first guiding section 92 and the second guiding section 93 is relatively stable.
In this embodiment, a+b=180°.
Preferably, the reinforcing ribs 94 are provided on the side of the first guide section 92 and the second guide section 93 facing away from the object 80.
Preferably, the guide portion body 90 includes a first plate body and second plate bodies disposed at two ends of the first plate body, the first plate body and the two second plate bodies form a U-shaped structure, and the two second plate bodies are both provided with a rotating portion 91.
To enable the pilot body 90 to move in a direction toward or away from the object 80, the pilot mechanism further includes: the third driving part 100, the third driving part 100 is in driving connection with the guide part body 90 to drive the guide part body 90 to move in a direction approaching or separating from the object 80.
In the present embodiment, by providing the third driving part 100 on the guide mechanism, wherein the third driving part 100 is in driving connection with the guide body 90, the guide body 90 can be driven to move in a direction approaching or separating from the object 80 by the third driving part 100.
Preferably, the guide mechanism further includes: a driving unit mount 110, the third driving unit 100 being disposed on the driving unit mount 110; a second guide post 120, one end of the second guide post 120 being connected to the guide portion body 90; the second sliding portion 130, the second sliding portion 130 is connected with the driving portion mounting seat 110, one end of the second guiding post 120 passes through the second sliding portion 130 to be connected with the guiding portion body 90, and when the third driving portion 100 drives the guiding portion body 90 to move, the guiding portion body 90 drives the second guiding post 120 to move along the axial direction of the second sliding portion 130.
Preferably, the pilot portion body 90 includes at least a bent portion.
Preferably, the pilot body 90 is a U-shaped plate with a slot facing the object 80.
In the present embodiment, a part of the rotating section 91 is provided protruding from the guide body 90 in a direction perpendicular to the moving direction of the object 80, so as to prevent the guide body 90 from contacting the object 80.
In this embodiment, the object 80 is an indoor unit of an air conditioner, and the image acquisition module 20 is used for acquiring an image of a plastic nut of a pipe joint.
In this embodiment, the visual inspection apparatus further includes a display module 140, where the display module 140 is in signal connection with the image acquisition module 20, and the display module 140 is configured to display specific image information.
From the above description, it can be seen that the above embodiments of the present invention achieve the following technical effects:
the vision inspection apparatus of the present invention extends the image collection plane 81 of the object 80 moving along the preset track along the extending direction of the preset track by the guide mechanism, and then acquires the image information of the object 80 by the image collection module 20. Wherein the image acquisition head of the image acquisition module 20 is arranged towards the object 80. In a specific image capturing process, the object 80 reaches an image capturing position along a preset track, and if the preset track is deviated, the guiding mechanism guides the object 80, and after the object 80 reaches the image capturing position, the image capturing module 20 obtains image information of the object 80. The vision detecting device can adjust the position of the object 80 through the guide mechanism, and solves the problem that the vision detecting device in the prior art cannot automatically adjust the position of the object.
It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the present application described herein may be capable of being practiced otherwise than as specifically illustrated and described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A visual inspection apparatus, comprising:
the device comprises a guide mechanism, a control mechanism and a control mechanism, wherein the guide mechanism is used for enabling an image acquisition plane (81) to be acquired of an object (80) moving along a preset track to extend along the extending direction of the preset track;
the image acquisition system comprises an image acquisition module (20), wherein an image acquisition head of the image acquisition module (20) is arranged towards the object (80) so as to acquire image information of the object (80);
the guide mechanism includes:
a pilot body (90), at least part of the pilot body (90) extending along the extending direction of the preset track;
the device comprises a guide part body (90), wherein a rotating part (91) is arranged on the guide part body (90), the rotating part (91) is used for being in contact with an image acquisition plane (81), and when the image acquisition plane (81) and the preset track deviate, the rotating part (91) pushes the object (80) to adjust the position so that an included angle between the image acquisition plane (81) and the preset track is 0; the rotating part (91) is rotatably arranged so that when the object (80) moves along the preset track, the rotating part (91) is in contact with the image acquisition plane (81) to be acquired and rotates relative to the image acquisition plane (81) to be acquired.
2. The visual inspection apparatus of claim 1, wherein the image acquisition system further comprises:
a light source module (10), a light emitting surface of the light source module (10) being disposed toward the object (80);
the image acquisition module (20) is arranged on one side of the light source module (10) away from the light emitting surface.
3. Visual inspection apparatus according to claim 2, characterized in that the light source module (10) is provided with a through hole (11), the image acquisition head being arranged opposite to the through hole (11), wherein the through hole (11) is arranged in the middle of the light source module (10).
4. The visual inspection apparatus of claim 2, wherein the image acquisition system further comprises:
the mounting part (30), the light source module (10) and the image acquisition module (20) are arranged on the mounting part (30) at intervals, and the position of the mounting part (30) is adjustably arranged so as to drive the image acquisition module (20) and the light source module (10) to synchronously move.
5. The visual inspection apparatus of claim 4, wherein the image acquisition system further comprises:
a moving part (40), wherein the mounting part (30) is arranged on the moving part (40), and the moving part (40) is movably arranged along the direction approaching or separating from the object (80) so as to drive the image acquisition module (20) and the light source module (10) to synchronously move along the direction approaching or separating from the object (80) through the mounting part (30);
wherein the mounting portion (30) is movably provided with respect to the moving portion (40) in a direction perpendicular to a moving direction of the moving portion (40).
6. The visual inspection apparatus of claim 5, wherein the image acquisition system further comprises:
-a mounting frame (50), the moving part (40) being movably arranged on the mounting frame (50);
the second driving part (60), the second driving part (60) is arranged on the mounting frame (50), and the second driving part (60) is in driving connection with the moving part (40) so as to drive the moving part (40) to move on the mounting frame (50) along the direction approaching or separating from the object (80).
7. The visual inspection apparatus according to claim 1, wherein the rotation portion (91) is plural, and the plural rotation portions (91) are disposed at intervals along the extending direction of the guide portion body (90).
8. The visual inspection apparatus according to claim 1, wherein the pilot body (90) comprises:
the first guide section (92) is used for enabling an object (80) to enter a conveying line (70) for driving the object (80) to move along the preset track along the extending direction of the first guide section (92), and a first preset included angle a is formed between the extending direction of the first guide section (92) and the extending direction of the preset track, wherein a is more than or equal to 0 and less than or equal to 90 degrees;
the second guiding section (93), the second guiding section (93) is connected with the first guiding section (92), and the second guiding section (93) extends along the extending direction of the preset track.
9. The visual inspection apparatus according to claim 1, wherein the guide portion body (90) includes a first plate body and second plate bodies disposed at both ends of the first plate body, the first plate body and the two second plate bodies form a U-shaped structure, and the two second plate bodies are each provided with the rotating portion (91).
10. The visual inspection apparatus of claim 1, wherein the alignment mechanism further comprises:
and the third driving part (100) is in driving connection with the guide part body (90) so as to drive the guide part body (90) to be movably arranged along the direction approaching or separating from the object (80).
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| CN201810597323.1A CN109029371B (en) | 2018-06-11 | 2018-06-11 | Visual inspection apparatus |
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