CN218481414U - Visual detection device for synchronous adjustment of double conveyor belts - Google Patents
Visual detection device for synchronous adjustment of double conveyor belts Download PDFInfo
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- CN218481414U CN218481414U CN202222604204.9U CN202222604204U CN218481414U CN 218481414 U CN218481414 U CN 218481414U CN 202222604204 U CN202222604204 U CN 202222604204U CN 218481414 U CN218481414 U CN 218481414U
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Abstract
The utility model relates to the technical field of machine vision, and discloses a visual detection device for synchronous adjustment of double conveyor belts, which is used for realizing the deviation correction of a first conveyor belt and a second conveyor belt; the visual inspection device includes: the detection light source is used for emitting first detection light, and the first detection light penetrates through the first conveyor belt to form a first deviation rectification detection point; and the reflection assembly is used for reflecting the first detection light to form second detection light, the second detection light is parallel to the first detection light and opposite to the first detection light in direction, and the second detection light penetrates through the second conveyor belt to form a second deviation rectification detection point. By utilizing the reflection assembly, detection light rays emitted by the same detection light source can form deviation rectification detection points on the two conveying belts simultaneously, synchronous rectification of the two conveying belts is realized by taking the deviation rectification detection points as a basis, and the deviation rectification method is favorable for reducing the rectification cost, improving the rectification efficiency and improving the rectification accuracy.
Description
Technical Field
The utility model relates to a machine vision technical field especially relates to a visual detection device for two conveyer belt synchronous adjustments.
Background
The conveyer belt is a material handling device, and the conveyer belt operation is reliable and stable, can be used for carrying out the long distance transmission of material, consequently by wide application in each automated production field.
In some cases, the transmission of a single conveyor belt is difficult to meet the transmission requirement, so that the transmission of materials needs to be carried out by adopting double conveyor belts in a mode of simultaneous transmission, bidirectional transmission or matched transmission. After the conveyor belt runs for a period of time, the deviation situation may occur, and if the deviation situation is not corrected in time, the normal conveying of the materials is affected. For the double conveyor belts, synchronous rectification of the two conveyor belts is required, accurate synchronous rectification of the two conveyor belts cannot be accurately performed by human eyes, if a position image is acquired for each conveyor belt respectively, and the two conveyor belts are adjusted respectively based on rectification data obtained after image analysis, the rectification cost is too high, the efficiency is too low, and actual requirements cannot be met.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to prior art, the utility model provides a visual detection device for two conveyer belt synchronization adjustment solves the problem that rectifying of two conveyer belts is difficult to compromise in accuracy, cost and efficiency among the prior art.
In order to achieve the above object, the present invention provides the following technical solutions:
a visual detection device for synchronous adjustment of double conveyor belts is used for realizing deviation rectification of a first conveyor belt and a second conveyor belt;
the visual inspection device includes:
the detection light source is used for emitting first detection light, the first detection light penetrates through the first conveyor belt, and a first deviation rectification detection point is formed on the first conveyor belt;
the reflection assembly is used for reflecting the first detection light to form second detection light, the second detection light is parallel to the first detection light and opposite to the first detection light in direction, and the second detection light penetrates through the second conveyor belt to form a second deviation rectification detection point on the second conveyor belt.
Optionally, the reflective assembly comprises a first reflective element, a second reflective element and a third reflective element;
the first detection light rays enter a first reflection position of the first reflection piece, enter a second reflection position of the first reflection piece after being reflected by the first reflection piece, the second reflection piece and the third reflection piece in sequence, and are reflected by the first reflection piece at the second reflection position to form second detection light rays.
Optionally, the first conveyor belt and the second conveyor belt are both parallel to a reference plane, the first reflector is disposed obliquely to the reference plane, and distances between the first reflection position and the reference plane are different from distances between the second reflection position and the reference plane.
Optionally, the third reflector includes a first sub-reflecting surface and a second sub-reflecting surface, and the first sub-reflecting surface and the second sub-reflecting surface are perpendicular to each other;
and the first detection light is reflected by the second reflecting piece and then sequentially enters a third reflecting position of the first sub reflecting surface and a fourth reflecting position of the second sub reflecting surface, and the distances between the reference planes at the fourth reflecting position and the second reflecting position are the same.
Optionally, the third reflector is formed by two mutually perpendicular triangular prisms.
Optionally, the first reflecting member and the second reflecting member are both triangular prisms.
Optionally, the visual inspection device for the synchronous adjustment of the two conveyor belts further comprises a first graduated scale and a second graduated scale, the first graduated scale is arranged on the first conveyor belt, and the second graduated scale is arranged on the second conveyor belt.
Optionally, the visual inspection device for the synchronous adjustment of the two conveyor belts further includes an imaging device for shooting the first conveyor belt and the second conveyor belt.
Optionally, the detection light source is a laser light source.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model provides a visual detection device for two conveyer belt synchronous adjustment utilizes the reflection subassembly for the detection light that same testing light source sent can form the check point of rectifying on two conveyer belts simultaneously, rectifies a deviation as realizing the synchronization to two conveyer belts according to this, is favorable to reducing the cost of rectifying a deviation, improves the accuracy of rectifying a deviation when rectifying an efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of a visual inspection apparatus for synchronous adjustment of two conveyor belts according to the present invention;
fig. 2 is a schematic view of another three-dimensional structure of a visual inspection device for synchronous adjustment of two conveyor belts according to the present invention;
fig. 3 is a further structural diagram of a visual inspection apparatus for double-conveyor synchronous adjustment according to the present invention.
In the above figures: 11. detecting a light source; 12. a first reflector; 13. a second reflector; 14. a third reflector; 21. a first conveyor belt; 22. a second conveyor belt; 30. an image forming apparatus.
Detailed Description
To make the objects, features and advantages of the present invention more obvious and understandable, the embodiments of the present invention will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the embodiments described below are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It is to be understood that the detailed description of the invention is intended to be illustrative of the invention and is not intended to limit the invention. Wherein the exemplary embodiments are described as processes or methods depicted as flowcharts; although a flowchart may describe the operations or processing of steps as a certain order, many of the operations or steps can be performed in parallel, concurrently or simultaneously and the order of the operations can be re-arranged. When its operations or steps are completed, the corresponding process may be terminated, with additional steps not included in the figures. The processes described above may correspond to methods, functions, procedures, subroutines, and the like, and embodiments and features of embodiments of the present invention may be combined without conflict.
The term "include" and its variants as used herein are open-ended, i.e., "including but not limited to". The term "based on" is "based, at least in part, on". The technical scheme of the invention is further explained by the specific implementation mode with the attached drawings; it is to be understood that only some, but not all, of the structures associated with the present invention are shown in the drawings for convenience of description.
Please refer to fig. 1 to fig. 3 in combination, the utility model provides a visual inspection device for synchronous adjustment of two conveyor belts, which is used to realize the deviation correction of the first conveyor belt 21 and the second conveyor belt 22.
The first conveyor belt 21 and the second conveyor belt 22 are both parallel to a reference plane, that is, the planes of the first conveyor belt 21 and the second conveyor belt 22 are parallel; meanwhile, the first conveyor belt 21 and the second conveyor belt 22 may be located on the same plane, or may be located on different planes, and the visual detection device provided in this embodiment can achieve synchronous deviation rectification of the two conveyor belts.
Specifically, the visual inspection device includes:
the detection light source 11 is used for emitting first detection light, the first detection light penetrates through the first conveyor belt 21, and a first deviation correction detection point A is formed on the first conveyor belt 21; in this embodiment, the detection light source 11 is a laser light source.
And the reflecting component is used for reflecting the first detection light to form second detection light, the second detection light is parallel to the first detection light and opposite to the first detection light in direction, the second detection light penetrates through the second conveyor belt 22, and a second deviation-rectifying detection point B is formed on the second conveyor belt 22.
It is understood that the first conveyor belt 21 and the second conveyor belt 22 are made of transparent or semitransparent materials, so that the first detection light and the second detection light can be transmitted therethrough.
By using the reflection assembly, the detection light emitted by the same detection light source 11 can form deviation-rectifying detection points on the two conveyor belts at the same time, and the deviation-rectifying detection points are used as the basis for realizing the synchronous deviation rectifying of the two conveyor belts.
It can be understood that, in one embodiment of the present application, the visual inspection apparatus further includes an imaging device 30 for shooting the first conveyor belt 21 and the second conveyor belt 22, the first conveyor belt 21 and the second conveyor belt 22 are shot by the imaging device 30, and the deviation rectification adjustment of the first conveyor belt 21 and the second conveyor belt 22 is realized based on the position comparison result of the first deviation rectification detection point a and the second deviation rectification detection point B.
In another embodiment of the present application, standard reference points may be further respectively set on the first conveyor belt 21 and the second conveyor belt 22, and the position of the first deviation-rectifying detection point a is compared with the standard reference point on the first conveyor belt 21, so as to perform deviation-rectifying adjustment on the first conveyor belt 21, and similarly, to implement deviation-rectifying adjustment on the second conveyor belt 22, so that the costs of the imaging device 30 and the image analysis system can be saved, and the method is suitable for application scenarios with low accuracy requirement and low cost budget.
In this embodiment, the reflection assembly includes a first reflection member 12, a second reflection member 13, and a third reflection member 14;
specifically, the first detection light enters a first reflection position of the first reflection member 12, and after being reflected by the first reflection member 12, the second reflection member 13 and the third reflection member 14 in sequence, the first detection light enters a second reflection position of the first reflection member 12, and is reflected by the first reflection member 12 at the second reflection position to form a second detection light.
Wherein the first reflecting member 12 is disposed obliquely to the reference plane, and distances between the first reflecting position and the reference plane are different from those between the second reflecting position and the reference plane.
The second reflector 13 and the third reflector 14 are used for making the finally formed second detection light and the first detection light symmetrical with respect to the standard central axis of the first conveyor belt 21 and the second conveyor belt 22, so that the first deviation-rectifying detection point a and the first deviation-rectifying detection point a can be used as a deviation-rectifying basis; it will be understood that the aforementioned standard central axis is a central axis between the first conveyor belt 21 and the second conveyor belt 22 in the standard state.
Further, the third reflector 14 includes a first sub-reflecting surface and a second sub-reflecting surface, and the first sub-reflecting surface and the second sub-reflecting surface are perpendicular to each other; the first detection light is reflected by the second reflecting piece 13 and then sequentially enters a third reflecting position of the first sub reflecting surface and a fourth reflecting position of the second sub reflecting surface, and the distances between the fourth reflecting position and the reference plane of the second reflecting position are the same.
By means of the third reflecting member 14, a change of the incident position of the second detection light is achieved when it returns to the first reflecting member 12.
In this embodiment, the first and second reflection members 12 and 13 are triangular prisms, and the third reflection member 14 is formed of two triangular prisms perpendicular to each other.
Further, in this embodiment, in order to implement synchronous deviation rectification on the first conveyor belt 21 and the second conveyor belt 22, the visual inspection device for synchronous adjustment of two conveyor belts further includes a first scale and a second scale.
In one embodiment, a first scale is provided on the first conveyor belt 21 and a second scale is provided on the second conveyor belt 22. At this time, the imaging device 30 is used for capturing images and comparing the scale difference between the first deviation-correcting detection point a and the second deviation-correcting detection point B on the first conveyor belt 21 and the second conveyor belt 22, if there is a difference, the conveyor belts are adjusted in position until the first deviation-correcting detection point a and the second deviation-correcting detection point B on the first conveyor belt 21 and the second conveyor belt 22 have no scale difference.
In another embodiment, a first scale is projected above the first conveyor belt 21, a second scale is projected above the second conveyor belt 22, the first detection light passes through the first scale to form a first deviation-correcting standard point, and the second detection light passes through the second scale to form a second deviation-correcting standard point. During deviation correction, the first conveyor belt 21 is adjusted to enable the first deviation correction detection point A to be coaxial with the first deviation correction standard point, and the second conveyor belt 22 is adjusted to enable the second deviation correction detection point B to be coaxial with the second deviation correction standard point, so that deviation correction adjustment of the first conveyor belt 21 and the second conveyor belt 22 is achieved.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (9)
1. A visual detection device for synchronous adjustment of double conveyor belts is characterized by being used for realizing deviation correction of a first conveyor belt (21) and a second conveyor belt (22);
the visual inspection device includes:
the detection light source (11) is used for emitting first detection light, the first detection light penetrates through the first conveyor belt (21), and a first deviation rectification detection point is formed on the first conveyor belt (21);
the reflection assembly is used for reflecting the first detection light to form second detection light, the second detection light is parallel to the first detection light and opposite to the first detection light in direction, the second detection light penetrates through the second conveyor belt (22), and a second deviation rectifying detection point is formed on the second conveyor belt (22).
2. Visual inspection device for the synchronous adjustment of double conveyor belts according to claim 1, characterized in that the reflection assembly comprises a first reflection element (12), a second reflection element (13) and a third reflection element (14);
the first detection light enters a first reflection position of the first reflection piece (12), enters a second reflection position of the first reflection piece (12) after being reflected sequentially by the first reflection piece (12), the second reflection piece (13) and the third reflection piece (14), and is reflected by the first reflection piece (12) at the second reflection position to form the second detection light.
3. Visual inspection device for double conveyor synchronous adjustment according to claim 2, characterized in that the first conveyor belt (21) and the second conveyor belt (22) are both parallel to a reference plane, the first reflecting member (12) is arranged obliquely to the reference plane, and the first reflecting position and the second reflecting position are at different distances from the reference plane.
4. The visual inspection device for double conveyor belt synchronization adjustment according to claim 3, wherein the third reflector (14) comprises a first sub-reflecting surface and a second sub-reflecting surface, the first sub-reflecting surface and the second sub-reflecting surface being perpendicular to each other;
the first detection light is reflected by the second reflecting piece (13) and then sequentially enters a third reflecting position of the first sub reflecting surface and a fourth reflecting position of the second sub reflecting surface, and the distances between the reference planes at the fourth reflecting position and the second reflecting position are the same.
5. Visual inspection device for the synchronous adjustment of double conveyor belts according to claim 4, characterized in that the third reflecting element (14) is constituted by two triangular prisms perpendicular to each other.
6. Visual inspection device for double conveyor synchronous adjustment according to claim 2, characterized in that the first (12) and the second (13) reflection element are each a triangular prism.
7. The visual inspection device for double conveyor belt synchronous adjustment according to claim 1, further comprising a first scale and a second scale, wherein the first scale is disposed on the first conveyor belt (21), and the second scale is disposed on the second conveyor belt (22).
8. The visual inspection device for double conveyor belt synchronous adjustment according to claim 1, further comprising an imaging device (30) for photographing the first conveyor belt (21) and the second conveyor belt (22).
9. Visual inspection device for the synchronous adjustment of double conveyor belts according to claim 1, characterized in that the inspection light source (11) is a laser light source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222604204.9U CN218481414U (en) | 2022-09-28 | 2022-09-28 | Visual detection device for synchronous adjustment of double conveyor belts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222604204.9U CN218481414U (en) | 2022-09-28 | 2022-09-28 | Visual detection device for synchronous adjustment of double conveyor belts |
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| Publication Number | Publication Date |
|---|---|
| CN218481414U true CN218481414U (en) | 2023-02-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222604204.9U Active CN218481414U (en) | 2022-09-28 | 2022-09-28 | Visual detection device for synchronous adjustment of double conveyor belts |
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| CN (1) | CN218481414U (en) |
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- 2022-09-28 CN CN202222604204.9U patent/CN218481414U/en active Active
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