CN211576098U - Thickness detection system - Google Patents
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- CN211576098U CN211576098U CN202020541939.XU CN202020541939U CN211576098U CN 211576098 U CN211576098 U CN 211576098U CN 202020541939 U CN202020541939 U CN 202020541939U CN 211576098 U CN211576098 U CN 211576098U
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- 238000001514 detection method Methods 0.000 title claims abstract description 94
- 238000006073 displacement reaction Methods 0.000 claims abstract description 67
- 239000011248 coating agent Substances 0.000 claims abstract description 61
- 238000000576 coating method Methods 0.000 claims abstract description 61
- 238000005259 measurement Methods 0.000 claims abstract description 30
- 230000000712 assembly Effects 0.000 claims description 10
- 238000000429 assembly Methods 0.000 claims description 10
- 238000005286 illumination Methods 0.000 claims description 5
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 description 8
- 239000003292 glue Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 230000032258 transport Effects 0.000 description 3
- 239000012790 adhesive layer Substances 0.000 description 2
- 239000011247 coating layer Substances 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
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Abstract
The utility model provides a thickness detection system. Wait to detect a coating that includes the body and coats on the upper surface or the lower surface of body, thickness detecting system is used for detecting the thickness value D of coating, and thickness detecting system includes: a frame; the conveying device is arranged on the rack and used for conveying the piece to be detected; the detection assembly comprises two laser displacement sensors which are oppositely arranged along the vertical direction, a preset distance H is reserved between the transmitting ends of the two laser displacement sensors, and laser beams emitted by the laser displacement sensors are perpendicular to the piece to be detected; when the conveying device conveys the piece to be detected to the preset position, the two laser displacement sensors respectively emit laser beams to the upper surface and the lower surface of the piece to be detected so as to obtain a thickness value D of the coating through detection values of the two laser displacement sensors. The utility model provides an among the prior art to the relatively poor and unable problem of acquireing the coating thickness fast of thickness measurement accuracy of the coating of PCB board.
Description
Technical Field
The utility model relates to a non-contact thickness measurement technical field particularly, relates to a thickness detection system.
Background
At present, with the rapid development of computers, sensing technologies and industrial robots, the industrial robot is also introduced to the glue spraying field to replace manual operation. The glue sprayer is widely applied to the automatic spraying process of the three-proofing glue of the PCB.
However, in the process of spraying glue on the PCB by the glue sprayer, the thickness measurement of the three-proofing glue is mainly manually measured by a manual wet film thickness meter, so that the accuracy of the thickness detection is poor, the thickness information cannot be quickly acquired, and the labor intensity of workers is increased.
SUMMERY OF THE UTILITY MODEL
A primary object of the utility model is to provide a thickness detection system to solve among the prior art to the relatively poor and unable problem of acquireing the coating thickness fast of thickness measurement accuracy of the coating of PCB board.
In order to achieve the above object, the utility model provides a thickness detecting system detects a coating that includes the body and coats on the upper surface of body or lower surface, and thickness detecting system is used for detecting the thickness value D of coating, and thickness detecting system includes: a frame; the conveying device is arranged on the rack and used for conveying the piece to be detected; the detection assembly comprises two laser displacement sensors which are oppositely arranged along the vertical direction, a preset distance H is reserved between the transmitting ends of the two laser displacement sensors, and laser beams emitted by the laser displacement sensors are perpendicular to the piece to be detected; when the conveying device conveys the piece to be detected to a preset position, the two laser displacement sensors respectively emit laser beams to the upper surface and the lower surface of the piece to be detected so as to obtain a thickness value D of the coating through detection values of the two laser displacement sensors.
Further, the projections of the emitting ends of the two laser displacement sensors on the same horizontal plane coincide with each other.
Further, a first distance h is reserved between the upper surface of the piece to be detected and the transmitting end of the laser displacement sensor positioned above the piece to be detected1A second distance h is arranged between the lower surface of the piece to be detected and the transmitting end of the laser displacement sensor positioned below the piece to be detected2A predetermined distance H and a first distance H1A second distance h2The thickness value h of the body and the thickness value D of the coating layer satisfy the following relation: D-H-H1-h2-h。
Further, the detection assembly further comprises: the laser displacement sensor comprises a bracket, a first sensor and a second sensor, wherein the bracket comprises a first mounting part and a second mounting part; the first driving device is connected with the bracket so as to drive the bracket to move in the horizontal plane; and/or the second driving device is connected with the bracket so as to drive the bracket to move along the height direction of the thickness detection system.
Further, the piece to be detected has a marking portion, and the thickness detection system further includes: the image acquisition device is arranged on the rack and is positioned at the upstream of the detection assembly along the conveying direction of the conveying device so as to control the transmitting ends of the two laser displacement sensors to simultaneously transmit laser beams when the image acquisition device acquires the marking part.
Further, the thickness detection system further includes: the third driving device is connected with the image acquisition device so as to drive the image acquisition device to move in the horizontal plane; and/or the fourth driving device is connected with the image acquisition device so as to drive the image acquisition device to move along the height direction of the thickness detection system.
Furthermore, a detection space is formed between the two laser displacement sensors, the piece to be detected is also provided with a measurement area, and the thickness of the piece to be detected is consistent in the measurement area.
Further, the thickness detection system further includes: the control module is connected with the image acquisition device and the detection assembly; when the image acquisition device acquires the marking part, the control module controls the two laser displacement sensors to be started simultaneously; when the piece to be detected moves to the image acquisition device and cannot acquire the mark part, the control module controls the two laser displacement sensors to stop operating.
Further, the thickness detection system further includes: and the illuminating device is arranged on the rack and used for illuminating the image acquisition device.
Furthermore, the number of the detection assemblies is at least two, and the at least two detection assemblies are arranged at intervals along the conveying direction of the conveying device so as to average the thickness values D of the coating respectively obtained by the at least two detection assemblies, and further obtain the average thickness value D of the coating.
Use the technical scheme of the utility model, thickness detecting system includes frame, conveyor and determine module. The detection assembly comprises two laser displacement sensors which are oppositely arranged along the vertical direction, a preset distance H is arranged between the transmitting ends of the two laser displacement sensors, and laser beams emitted by the laser displacement sensors are perpendicular to the to-be-detected piece. When the thickness of the coating of the piece to be detected needs to be detected, a worker firstly places the piece to be detected on the conveying device. Afterwards, the staff starts conveyor, and conveyor treats the detection piece and transports, treats when conveyor carries and treats that the piece is to the default position, and two laser displacement sensor are to the upper and lower surface transmission laser beam that treats the piece respectively to the thickness value D that reachs the coating through two laser displacement sensor's detected value, and then solved among the prior art to the relatively poor and unable problem of acquireing the coating thickness fast of the thickness measurement accuracy of the coating of PCB board. Like this, thickness detecting system in this application is more accurate to the thickness measurement of coating, and can obtain the thickness value D of coating in real time, and the staff of being convenient for acquires the thickness information of coating fast to adjust the thickness of coating.
Drawings
The accompanying drawings, which form a part of the present application, 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 and not to limit the invention. In the drawings:
fig. 1 shows a front view of an embodiment of a thickness detection system according to the present invention;
FIG. 2 shows a side view of the thickness detection system of FIG. 1;
FIG. 3 shows a top view of the thickness detection system of FIG. 1;
FIG. 4 illustrates a detection schematic of the thickness detection system of FIG. 1; and
fig. 5 shows a top view of the part to be inspected of the thickness inspection system of fig. 1.
Wherein the figures include the following reference numerals:
10. a piece to be detected; 11. a marking section; 12. a measurement area; 13. a body; 14. coating; 20. a frame; 30. a conveying device; 40. a detection component; 41. a laser displacement sensor; 42. a support; 421. a first mounting portion; 422. a second mounting portion; 43. detecting a space; 50. an image acquisition device; 60. an illumination device.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
It is noted that, unless otherwise indicated, 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.
In the present invention, unless otherwise specified, the use of directional words such as "upper and lower" is generally in reference to the orientation shown in the drawings, or to the vertical, perpendicular or gravitational orientation; likewise, for ease of understanding and description, "left and right" are generally to the left and right as shown in the drawings; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself, but the above directional terms are not intended to limit the present invention.
In order to solve the problem that the thickness of the coating of the PCB is relatively poor in measurement accuracy and the coating thickness cannot be rapidly obtained in the prior art, the application provides a thickness detection system.
As shown in fig. 1 to 4, the object to be detected 10 includes a body 13 and a coating 14 coated on an upper surface of the body 13, and a thickness detection system is used for detecting a thickness value D of the coating 14, and includes a frame 20, a conveying device 30 and a detection assembly 40. A conveying device 30 is arranged on the frame 20 for conveying the object 10 to be inspected. The detection assembly 40 includes two laser displacement sensors 41 arranged oppositely along the vertical direction, a preset distance H is provided between the emitting ends of the two laser displacement sensors 41, and the laser beams emitted by the laser displacement sensors 41 are perpendicular to the piece to be detected 10. When the conveying device 30 conveys the piece to be detected 10 to the preset position, the two laser displacement sensors 41 respectively emit laser beams to the upper surface and the lower surface of the piece to be detected 10, so that the thickness value D of the coating 14 is obtained through detection values of the two laser displacement sensors 41.
By applying the technical scheme of the embodiment, when the thickness of the coating 14 of the piece to be detected 10 needs to be detected, a worker firstly places the piece to be detected 10 on the conveying device 30. Afterwards, the staff starts conveyor 30, and conveyor 30 transports a piece 10 of treating to detect, and when conveyor 30 carried a piece 10 of treating to detect to predetermineeing the position, two laser displacement sensor 41 were to the upper and lower surface transmission laser beam of treating a piece 10 respectively to the thickness value D of coating 14 is obtained to the detected value through two laser displacement sensor 41, and then has solved among the prior art to the relatively poor and unable problem of obtaining the coating thickness fast of the thickness measurement accuracy of the coating of PCB board. Like this, thickness detecting system in this embodiment is more accurate to the thickness measurement of coating 14, and can obtain the thickness value D of coating 14 in real time, and the staff of being convenient for obtains the thickness information of coating 14 fast to adjust the thickness of coating 14.
In this embodiment, the object 10 to be detected is a PCB, the coating 14 is an adhesive layer, and the adhesive layer is coated on the upper surface of the body 13.
In the embodiment, the detection assembly 40 adopts non-contact measurement, so that pollution and secondary damage to the coating 14 are avoided, and measurement errors are effectively reduced.
Note that the position of application of the coating layer 14 is not limited to this. In other embodiments not shown in the drawings, the coating is applied to the lower surface of the body.
As shown in fig. 1, 2 and 4, the projections of the emitting ends of the two laser displacement sensors 41 on the same horizontal plane coincide with each other. Thus, the arrangement ensures that the laser beams emitted by the two emitting ends are positioned at the same position on the piece to be detected 10, and the measurement precision of the thickness detection system is further improved.
Specifically, the laser beam emitted from the laser displacement sensor 41 located above the piece to be detected 10 is irradiated on the upper surface of the coating 14, the laser beam emitted from the laser displacement sensor 41 located below the piece to be detected 10 is irradiated on the lower surface of the body 13, and the connecting line of the irradiation positions of the two laser beams is perpendicular to the piece to be detected 10.
As shown in fig. 4, a first distance h is provided between the upper surface of the object to be detected 10 and the emitting end of the laser displacement sensor 41 located above the object to be detected 101A second distance h is formed between the lower surface of the piece to be detected 10 and the emission end of the laser displacement sensor 41 positioned below the piece to be detected 102A predetermined distance H and a first distance H1A second distance h2The value of the thickness h of the body 13 and the value of the thickness D of the coating 14 satisfy the following relationship: D-H-H1-h2-h. Thus, the thickness detection system can detect the thickness of the coating 14 more easily and conveniently through the arrangement, the detection difficulty is reduced, and the detection accuracy are improved. Wherein the following relationships are satisfied: H-H1-h2＝h'。
As shown in fig. 1 to 3, the detecting assembly 40 further includes a bracket 42, a first driving device and a second driving device. Wherein. The bracket 42 includes a first mounting portion 421 and a second mounting portion 422, and the two laser displacement sensors 41 are mounted on the first mounting portion 421 and the second mounting portion 422, respectively. The first driving means is connected to the bracket 42 to drive the bracket 42 to move in the horizontal plane, and the second driving means is connected to the bracket 42 to drive the bracket 42 to move in the height direction of the thickness detecting system. Thus, the arrangement makes the disassembly and assembly of the two laser displacement sensors 41 and the bracket 42 easier and simpler, reduces the difficulty of disassembly and assembly, and also makes the position adjustment of the laser displacement sensors 41 easier for the worker.
Specifically, a first mounting portion 421 and a second mounting portion 422 are provided at intervals in the height direction of the thickness detection system, and one laser displacement sensor 41 is mounted on the first mounting portion 421 so that the laser displacement sensor 41 is positioned above the object 10 to be detected. Another laser displacement sensor 41 is mounted on the second mounting portion 422 such that the laser displacement sensor 41 is positioned below the object 10 to be detected. For the pieces to be detected 10 with different thicknesses, the worker can drive the bracket 42 to perform position adjustment in the horizontal plane or in the vertical direction through the first driving device and the second driving device so as to meet the measurement requirement.
In other embodiments not shown in the drawings, the detection assembly further comprises a support and a first drive means. Wherein. The support includes first installation department and second installation department, and two laser displacement sensor install respectively on first installation department and second installation department. The first driving device is connected with the bracket to drive the bracket to move in the horizontal plane. Like this, to the piece that waits to detect of different thickness, the staff can carry out position adjustment in the horizontal plane through first drive arrangement drive support to satisfy the measurement demand.
In other embodiments not shown in the drawings, the detection assembly further comprises a support and a second drive means. Wherein. The support includes first installation department and second installation department, and two laser displacement sensor install respectively on first installation department and second installation department. The second driving device is connected with the support to drive the support to move along the height direction of the thickness detection system. Like this, to waiting to detect of different thickness, the staff can pass through second drive arrangement drive support and carry out position adjustment in the horizontal plane or vertical direction to satisfy the measurement demand.
As shown in fig. 1 to 5, the object to be detected 10 has a marking portion 11, and the thickness detection system further includes an image capturing device 50. Wherein, the image acquisition device 50 is disposed on the frame 20, and the image acquisition device 50 is located upstream of the detection assembly 40 along the conveying direction of the conveying device 30, so as to control the emitting ends of the two laser displacement sensors 41 to emit laser beams simultaneously when the image acquisition device 50 acquires the mark part 11. Like this, in the process of waiting to detect 10 at conveyor 30, when image acquisition device 50 gathered mark portion 11, the emission end of two laser displacement sensor 41 of control launches the laser beam simultaneously to carry out the thickness and detect, realize automatic thickness and detect, need not staff's operation, and then realized the automatic detection of thickness detecting system, further reduced staff's intensity of labour.
In this embodiment, the marking portions 11 are electronic components such as capacitors or resistors, and the positions of the marking portions 11 on the same type of the to-be-detected members 10 are uniform.
Note that the type of the mark portion 11 is not limited to this. Alternatively, the label 11 is a fluorescent moiety or a light emitting element.
Optionally, the thickness detection system further comprises a third driving device and a fourth driving device. Wherein, the third driving device is connected with the image acquisition device 50 to drive the image acquisition device 50 to move in the horizontal plane. The fourth driving device is connected to the image capturing device 50 to drive the image capturing device 50 to move in the height direction of the thickness detecting system. Thus, for the to-be-detected pieces 10 with different thicknesses and placed at different positions of the conveying device 30, the worker can drive the image acquisition device 50 to perform position adjustment in the horizontal plane and in the vertical direction through the third driving device and the fourth driving device so as to meet the image acquisition requirement.
In other embodiments not shown in the drawings, the thickness detection system comprises only the third drive means. And the third driving device is connected with the image acquisition device so as to drive the image acquisition device to move in the horizontal plane. Like this, to different thickness, place and wait to detect the piece in conveyor different positions department, the staff can carry out position control in the horizontal plane through third drive arrangement drive image acquisition device to satisfy the image acquisition demand.
In other embodiments not shown in the drawings, the thickness detection system comprises only the fourth drive means. And the fourth driving device is connected with the image acquisition device to drive the image acquisition device to move along the height direction of the thickness detection system. Like this, to different thickness, place and wait to detect the piece in conveyor different positions department, the staff can drive image acquisition device through fourth drive arrangement and carry out position adjustment in vertical direction to satisfy the image acquisition demand.
As shown in fig. 4 and 5, a detection space 43 is formed between the two laser displacement sensors 41, and the object 10 to be detected further has a measurement region 12, and the thickness of the object 10 to be detected is uniform in the measurement region 12. Like this, treat at the determine module 40 and treat that detect 10 carries out the thickness measurement in-process, because conveyor 30 does not stop, then treat that the above-mentioned setting of detecting 10 can realize dynamic thickness measurement, promoted thickness detection system's measurement of efficiency under the prerequisite of guaranteeing to detect the accuracy, shortened a plurality of detection that treat that detect 10 consuming time.
Specifically, when the image pickup device 50 picks up the marker portion 11, the measurement region 12 is located within the detection space 43.
In the present embodiment, the measurement region 12 is a blank region on the member to be detected 10, and no electronic component is mounted.
In this embodiment, the thickness detection system further includes a control module. Wherein, the control module is connected with both the image acquisition device 50 and the detection component 40. When the image acquisition device 50 acquires the mark part 11, the control module controls the two laser displacement sensors 41 to be started simultaneously. When the piece to be detected 10 moves to the image acquisition device 50 and cannot acquire the mark part 11, the control module controls the two laser displacement sensors 41 to stop operating. Like this, whether gather mark portion 11 through image acquisition device 50 and control laser displacement sensor 41 and open and stop the action, need not the staff and operate thickness detection system, promoted thickness detection system's degree of automation.
As shown in fig. 1 to 3, the thickness detection system further includes an illumination device 60. Wherein the illumination device 60 is arranged on the gantry 20 for illuminating the image capturing device 50. Thus, during the operation of the image capturing device 50, the illuminating device 60 provides a light source for the image capturing device 50, so as to facilitate the image capturing of the image capturing device 50.
In this embodiment, the inspection assembly 40 is one for inspecting the thickness of the coating 14 in the measurement region 12 of the article 10 to be inspected.
The number of the detection units 40 is not limited to this. Optionally, there are at least two detection assemblies 40, and at least two detection assemblies 40 are arranged at intervals along the conveying direction of the conveying device 30, so as to average the thickness values D of the coating 14 respectively obtained by the at least two detection assemblies 40, and further obtain the average thickness value of the coating 14
. In this way, the object 10 to be detected has at least two measuring regions 12, the measuring regions 12 are arranged in one-to-one correspondence with the detecting assemblies 40, each detecting assembly 40 respectively obtains the thickness value D of the coating 14 in the measuring region 12 corresponding to the detecting assembly, and the average thickness value of the coating 14 is obtained by averaging the thickness values D
And the detection accuracy of the thickness detection system is further improved.
Optionally, the thickness detection system further comprises a human-computer interaction device. Wherein the human-computer interaction device is connected with the detection assembly 40 for displaying the thickness value D of the coating 14. Like this, above-mentioned setting makes the staff obtain the thickness value D of coating 14 more directly perceivedly, has promoted user and has used experience.
From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects:
when the thickness of the coating of the piece to be detected needs to be detected, a worker firstly places the piece to be detected on the conveying device. Afterwards, the staff starts conveyor, and conveyor treats the detection piece and transports, treats when conveyor carries and treats that the piece is to the default position, and two laser displacement sensor are to the upper and lower surface transmission laser beam that treats the piece respectively to the thickness value D that reachs the coating through two laser displacement sensor's detected value, and then solved among the prior art to the relatively poor and unable problem of acquireing the coating thickness fast of the thickness measurement accuracy of the coating of PCB board. Like this, thickness detecting system in this application is more accurate to the thickness measurement of coating, and can obtain the thickness value D of coating in real time, and the staff of being convenient for acquires the thickness information of coating fast to adjust the thickness of coating.
It is obvious that the above described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
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 according to the present application. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise, and it should be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of features, steps, operations, devices, components, and/or combinations thereof.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement 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 thickness detection system, characterized in that the piece (10) to be detected comprises a body (13) and a coating (14) coated on an upper or lower surface of the body (13), the thickness detection system being configured to detect a thickness value D of the coating (14), the thickness detection system comprising:
a frame (20);
a conveying device (30), wherein the conveying device (30) is arranged on the machine frame (20) and is used for conveying the piece to be detected (10);
the detection assembly (40) comprises two laser displacement sensors (41) which are oppositely arranged along the vertical direction, a preset distance H is reserved between the emission ends of the two laser displacement sensors (41), and laser beams emitted by the laser displacement sensors (41) are perpendicular to the piece to be detected (10);
when the conveying device (30) conveys the piece to be detected (10) to a preset position, the two laser displacement sensors (41) respectively emit laser beams to the upper surface and the lower surface of the piece to be detected (10), so that the thickness value D of the coating (14) is obtained through detection values of the two laser displacement sensors (41).
2. The thickness detection system according to claim 1, wherein the projections of the emitting ends of the two laser displacement sensors (41) on the same horizontal plane coincide.
3. The thickness detection system according to claim 1, wherein a first distance h is provided between the upper surface of the piece to be detected (10) and the emission end of the laser displacement sensor (41) located above the piece to be detected (10)1A second distance h is formed between the lower surface of the piece to be detected (10) and the emission end of the laser displacement sensor (41) positioned below the piece to be detected (10)2The preset distance H and the first distance H1The second distanceh2The thickness value h of the body (13) and the thickness value D of the coating (14) satisfy the following relationship: D-H-H1-h2-h。
4. The thickness detection system of claim 1, wherein the detection assembly (40) further comprises:
the laser displacement sensor comprises a bracket (42), wherein the bracket (42) comprises a first mounting part (421) and a second mounting part (422), and two laser displacement sensors (41) are respectively mounted on the first mounting part (421) and the second mounting part (422);
the first driving device is connected with the bracket (42) to drive the bracket (42) to move in a horizontal plane; and/or
The second driving device is connected with the support (42) to drive the support (42) to move along the height direction of the thickness detection system.
5. The thickness detection system according to claim 1, wherein the member to be detected (10) has a marking portion (11), the thickness detection system further comprising:
the image acquisition device (50) is arranged on the rack (20), and along the conveying direction of the conveying device (30), the image acquisition device (50) is positioned at the upstream of the detection assembly (40) so as to control the emitting ends of the two laser displacement sensors (41) to emit laser beams simultaneously when the image acquisition device (50) acquires the marking part (11).
6. The thickness detection system of claim 5, further comprising:
the third driving device is connected with the image acquisition device (50) to drive the image acquisition device (50) to move in a horizontal plane; and/or
And the fourth driving device is connected with the image acquisition device (50) so as to drive the image acquisition device (50) to move along the height direction of the thickness detection system.
7. The thickness detection system according to claim 5, wherein a detection space (43) is formed between the two laser displacement sensors (41), and the piece to be detected (10) further has a measurement region (12), and the thickness of the piece to be detected (10) is uniform in the measurement region (12).
8. The thickness detection system of claim 5, further comprising:
the control module is connected with the image acquisition device (50) and the detection assembly (40); when the image acquisition device (50) acquires the marking part (11), the control module controls two laser displacement sensors (41) to be started simultaneously; when the piece to be detected (10) moves to the image acquisition device (50) and cannot acquire the marking part (11), the control module controls the two laser displacement sensors (41) to stop operating.
9. The thickness detection system of claim 5, further comprising:
an illumination device (60), the illumination device (60) being arranged on the chassis (20) for illuminating the image acquisition device (50).
10. The thickness detection system according to claim 1, wherein the number of the detection assemblies (40) is at least two, and at least two of the detection assemblies (40) are spaced apart along the conveying direction of the conveying device (30) so as to average the thickness values D of the coating (14) respectively obtained by the at least two detection assemblies (40), thereby obtaining an average thickness value of the coating (14)
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| CN113003167A (en) * | 2021-02-09 | 2021-06-22 | 珠海格力智能装备有限公司 | Positioning device |
| CN114502316A (en) * | 2021-02-26 | 2022-05-13 | 国立大学法人名古屋工业大学 | Laser processing device, thickness detection method, and thickness detection device |
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| CN114518072A (en) * | 2022-02-22 | 2022-05-20 | 江苏铁锚玻璃股份有限公司 | Device applied to transparent part thickness detection and using method thereof |
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