CN212144238U - Weak current terminal non-contact on-line measuring system - Google Patents
Weak current terminal non-contact on-line measuring system Download PDFInfo
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- CN212144238U CN212144238U CN202020311700.3U CN202020311700U CN212144238U CN 212144238 U CN212144238 U CN 212144238U CN 202020311700 U CN202020311700 U CN 202020311700U CN 212144238 U CN212144238 U CN 212144238U
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Abstract
The utility model discloses a non-contact on-line detection system of a weak current terminal, which comprises a spring plate size detection module, which is arranged on a production line before the cutting of the spring plate; the elastic sheet installation detection module is arranged on a production line after the elastic sheet is installed; the riveting point position detection module is arranged on a production line before riveting; the elastic piece size detection module, the elastic piece installation detection module and the riveting point position detection module are all connected with the control module through communication protocols. The system has good compatibility, and can be compatible with the on-line detection requirements of weak current terminals of different types; the yield of the final product is ensured, and the material saving and the cost control are facilitated.
Description
Technical Field
The utility model relates to an optical detection field especially relates to a light current terminal non-contact on-line measuring system.
Background
Along with the vigorous development of the electronic industry, the market has higher and higher requirements on product quality, and in order to strengthen SPC control and guarantee the stability of product quality and the interchangeability of assembly process, more and more automatic detection equipment is applied to the quality control link.
For the weak current terminal industry, the original weak current terminal assembly line lacks the process quality control means in accessory quality and assembling process, and accessories such as flawed shell fragment, bent piece assemble according to normal process, not only cause the waste of other qualified accessories and man-hour, have also reduced the product percent of pass, and the defective accessory causes the damage to equipment easily in the assembling process moreover, reduces equipment utilization rate. However, a plurality of detection positions are required to be arranged on a general production line, so that a single camera device cannot meet various detection requirements, or resource waste is caused.
In summary, it is urgently needed to design a weak current terminal non-contact online detection system, which can monitor each assembly process in real time, remove the workpieces with quality problems in time, prevent the workpieces from flowing into the next process, avoid the waste of working hours and production materials, and reduce the production cost.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems in the prior art, the utility model provides a non-contact on-line detection system for a weak current terminal, which can control the key links in the production flow, improve the qualification rate of the final product and ensure good performance; and the material saving and cost control are facilitated.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a non-contact on-line detection system for weak current terminal comprises
The elastic piece size detection module is arranged on a production line before the elastic pieces are cut and used for measuring the height of the elastic pieces and whether pins are deformed;
the elastic piece installation detection module is arranged on a production line after the elastic pieces are installed and used for detecting whether the elastic pieces are installed in place;
the riveting point position detection module is arranged on a production line before riveting and is used for outputting the riveting point position and guiding the riveting device to accurately rivet;
the elastic piece size detection module, the elastic piece installation detection module and the riveting point position detection module are all connected with the control module through communication protocols.
The elastic sheet size detection module comprises a first detection group and a second detection group; along the production line direction, the first detection group is arranged on the front side of the second detection group.
The first detection group comprises a first camera unit and a first light source unit, and the first camera unit is arranged above the production line; the first light source unit and the first camera shooting unit are arranged oppositely and are positioned below the production line.
The second detection group comprises a second camera unit and a second light source unit, and the second camera unit is arranged on the side of the production line; the second light source unit and the second camera shooting unit are arranged oppositely and are positioned on the other side of the production line.
And the connecting line of the first camera shooting unit and the first light source unit is vertical to the connecting line of the second camera shooting unit and the second light source unit.
The first camera shooting unit and the second camera shooting unit both adopt CCD industrial cameras which are provided with high-definition telecentric lenses; the first light source unit and the second light source unit both adopt square surface light sources.
The elastic piece installation detection module comprises a linear motion module and a third camera shooting unit, and the third camera shooting unit is positioned on the linear motion module and can move along the linear motion module; the third camera unit is a 3D line laser scanner.
The linear motion module is positioned above the production line and arranged in parallel to the production line, and the motion direction of the third camera shooting unit is parallel to the motion direction of the production line.
The riveting point position detection module comprises a fourth camera unit and an annular light source unit, the fourth camera unit is located above the production line and perpendicular to the production line, and the annular light source unit is arranged below the fourth camera unit and located on the same side of the production line with the fourth camera unit.
The fourth camera shooting unit is a CCD industrial camera which is provided with a high-definition macro lens.
The detection system mainly aims at measuring and monitoring links which are easy to cause quality problems in the production process of the weak current terminal, integrates an optical detection system required by detection into an automatic production line, and realizes online high-precision detection so as to achieve the purpose of improving the comprehensive capacity of the automatic production line. The method is realized by the following steps:
s1, firstly, carrying out injection molding on the aluminum terminal, and then observing the deformation condition of the elastic sheet on the production line from two directions by using the elastic sheet size detection module;
s11, detecting whether the bottom buckle of the elastic sheet and the pin are deformed by a first camera shooting unit positioned above the production line, and detecting the pin height of the elastic sheet and the perpendicularity of the pin and the material belt by a second camera shooting unit positioned on the side face of the production line to judge whether the pin is bent or skewed;
s12, the camera units transmit the detection results to the control unit, the control unit controls the cutting mechanism to cut off the qualified elastic pieces after analysis, and unqualified elastic pieces pass by, so that the cut elastic pieces are all qualified products;
s2, installing the qualified elastic sheet, and enabling the installed elastic sheet to enter a third camera shooting unit to detect whether the elastic sheet is installed correctly;
s21, after the group of elastic sheets reach the third camera shooting unit area, the production line stops moving; the linear motion module drives the 3D laser scanner to move;
s22, triggering 3D laser to scan the surface of the workpiece through a high-precision grating scale to generate point cloud data; judging whether the elastic sheet is installed in place or not by detecting the height difference between the bottom plate of the elastic sheet and the surface of the aluminum terminal;
s23, transmitting the detection result to the control module, and controlling whether the riveting mechanism rivets the elastic sheet or not by the control unit after analysis;
s3, detecting the position before riveting;
s31, polishing by using an ultrahigh resolution camera and a high-definition macro lens in the riveting point position detection module to match with an annular light source to obtain a clear image of the circular characteristic of the riveting point;
s32, transmitting the clear image to a control module, and obtaining the accurate coordinate of the centre of a circle of the riveting point in an image coordinate system by the control module through image processing;
s33, transmitting the accurate coordinates to a motion control system to guide a punch to accurately rivet and press, avoiding poor riveting deviation and the like caused by product shape difference, and realizing flexible riveting and pressing;
s4, turning the product 180 degrees, positioning, and mounting an L-shaped bent sheet; and (5) injecting a sealant and then carrying out terminal detection.
The technical scheme of the utility model prior art relatively has following technological effect:
the utility model discloses a set up the camera unit of different grade type and rather than the multiple type light source that the cooperation was used can each key equipment link of real-time management and control, ensure the qualification rate of this process to guarantee the final product yield, help material saving and cost control.
Two, the utility model discloses in use ultrahigh resolution camera and high definition macro lens cooperation annular light source to polish and obtain the clear image of riveting point circle characteristic, obtain the accurate coordinate of riveting point centre of a circle at the image coordinate system through image processing, avoid leading to riveting harmfully such as partially because of the product shape difference, accomplish flexible riveting.
Three, the utility model discloses possess good compatibility, the on-line measuring demand of the weak current terminal that can compatible different models switches the detection that realizes not unidimensional part through the testing procedure key.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic view of a first view structure of a bullet size detection module in embodiment 1.
Fig. 2 is a schematic view of a second view structure of the bullet size detection module in embodiment 1.
Fig. 3 is a schematic structural diagram of a spring sheet installation detection module in embodiment 1.
Fig. 4 is a schematic structural diagram of a riveting point position detecting module in embodiment 1.
Fig. 5 is a rivet point picture taken in fig. 4.
Fig. 6 is a schematic connection diagram of the modules in embodiment 1.
Reference numerals: 1-production line; 2-a spring plate; 3-a first camera unit; 4-a first light source unit; 5-a second camera unit; 6-a second light source unit; 7-a linear motion module; 8-a third camera unit; 9-material belt; 10-a fourth camera unit; 11-ring-shaped light source unit.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments 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 work belong to the protection scope of the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, or an integral connection. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. In the foregoing description of embodiments, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
Example 1
As shown in fig. 6, a weak current terminal non-contact on-line detection system includes a spring plate size detection module, a spring plate installation detection module, a riveting point position detection module and a control module; the elastic piece size detection module, the elastic piece installation detection module and the riveting point position detection module are all connected with the control module through communication protocols.
The elastic piece size detection module is arranged on the production line 1 before the elastic piece 2 is cut and used for measuring the height of the elastic piece 2, and whether a pin and a bottom buckle deform or not; the elastic sheet size detection module comprises a first detection group and a second detection group; the first detection group is arranged at the front side of the second detection group along the direction of the production line 1. As shown in fig. 1, the first detection group includes a first camera unit 3 and a first light source unit 4, the first camera unit 3 being disposed above the production line 1; the first light source unit 4 is arranged opposite to the first camera unit 3 and is positioned below the production line 1; as shown in fig. 2, the second detection group comprises a second camera unit 5 and a second light source unit 6, the second camera unit 5 is arranged at the side of the production line 1; the second light source unit 6 is arranged opposite to the second camera unit 5 and is positioned at the other side of the production line. The line connecting the first image pickup unit 3 and the first light source unit 4 is perpendicular to the line connecting the second image pickup unit 5 and the second light source unit 6. The first camera unit 3 and the second camera unit 5 both adopt CCD industrial cameras which are provided with high-definition telecentric lenses; the first light source unit 4 and the second light source unit 6 both use square surface light sources.
In the working process of the elastic piece size detection module, firstly, a first camera unit 3 positioned above a production line 1 is matched with a first light source unit 4 to detect whether a buckle at the bottom of an elastic piece 2 and a pin are deformed or not, and then a second camera unit 5 positioned on the side surface of the production line 1 is matched with a second light source unit 6 to detect the pin height of the elastic piece 2 and the perpendicularity of the pin and a material belt 9 to judge whether the pin is bent or skewed or not; and then each camera unit transmits the detection result to the control unit, and finally the control unit controls the cutting mechanism to cut off the qualified elastic pieces 2 after analysis, and unqualified elastic pieces 2 skip over, so that the cut elastic pieces 2 are all qualified products.
The elastic piece installation detection module is arranged on the production line 1 after the elastic piece 2 is installed and used for detecting whether the elastic piece 2 is installed in place; as shown in fig. 3, the elastic piece installation detection module includes a linear motion module 7 and a third camera unit 8, the linear motion module 7 is located above the production line 1 and is arranged parallel to the production line 1, and the third camera unit 8 is located on the linear motion module 7 and can move along the linear motion module 7; the movement direction of the third camera unit 8 is parallel to the movement direction of the production line 1; the third camera unit 8 is a 3D line laser scanner.
In the working process of the elastic sheet installation detection module, when one group of elastic sheets 2 reaches the area of the third camera unit 8, the production line 1 stops moving; the 3D laser scanner is driven to move along a straight line by the straight line movement module 7; then triggering 3D laser to scan the surface of the workpiece through a high-precision grating scale to generate point cloud data; judging whether the elastic sheet 2 is installed in place or not by detecting the height difference between the bottom plate of the elastic sheet 2 and the surface of the base body; and then, the detection result is transmitted to the control module, and the control unit controls the riveting mechanism to rivet the elastic sheet or not after analysis.
The riveting point position detection module is arranged on a production line before riveting and is used for outputting the riveting point position; as shown in fig. 4, the rivet point position detecting module includes a fourth camera unit 10 and an annular light source unit 11, the fourth camera unit 10 is located above the production line 1 and is arranged perpendicular to the production line 1, and the annular light source unit 11 is arranged below the fourth camera unit 10 and is located on the same side of the production line 1 as the fourth camera unit 10. The fourth camera unit 10 is a CCD industrial camera equipped with a high-definition macro lens.
The working process of the riveting point position detection module is as follows: firstly, an ultrahigh resolution camera and a high-definition macro lens are matched with an annular light source for polishing to obtain a clear image of a riveting point circle characteristic; as shown in fig. 5, the clear image is transmitted to the control module, and the control module obtains the precise coordinate of the center of the riveting point in the image coordinate system through image processing; and finally, the precise coordinates are transmitted to a motion control system to guide a punch to accurately rivet and press, so that defects such as rivet deflection and the like caused by the shape difference of products are avoided, and flexible riveting is realized.
The detection process of the detection system is as follows:
s1, firstly, carrying out injection molding on the aluminum terminal, and then observing the deformation condition of the elastic sheet 2 on the production line 1 from two directions by using the elastic sheet size detection module;
s2, installing the qualified elastic sheet, and enabling the installed elastic sheet to enter a third camera shooting unit to detect whether the elastic sheet is installed correctly;
s3, detecting the position of the riveting point before riveting;
s4, turning the product 180 degrees, positioning, and mounting an L-shaped bent sheet; and (5) injecting a sealant and then carrying out terminal detection.
In the foregoing description of embodiments, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A non-contact on-line detection system for weak current terminal is characterized by comprising
The elastic piece size detection module is arranged on a production line before the elastic pieces are cut and used for measuring the height of the elastic pieces and whether pins are deformed;
the elastic piece installation detection module is arranged on a production line after the elastic pieces are installed and used for detecting whether the elastic pieces are installed in place;
the riveting point position detection module is arranged on a production line before riveting and is used for outputting the riveting point position;
the elastic piece size detection module, the elastic piece installation detection module and the riveting point position detection module are all connected with the control module through communication protocols.
2. The weak current terminal non-contact online detection system according to claim 1, wherein the spring plate size detection module comprises a first detection group and a second detection group; along the production line direction, the first detection group is arranged on the front side of the second detection group.
3. The weak current terminal non-contact type online detection system as claimed in claim 2, wherein the first detection group comprises a first camera unit and a first light source unit, and the first camera unit is arranged above the production line; the first light source unit and the first camera shooting unit are arranged oppositely and are positioned below the production line.
4. The weak current terminal non-contact type online detection system as claimed in claim 3, wherein the second detection group comprises a second camera unit and a second light source unit, the second camera unit is arranged at the side of the production line; the second light source unit and the second camera shooting unit are arranged oppositely and are positioned on the other side of the production line.
5. The system for non-contact online detection of a weak current terminal according to claim 4, wherein a line connecting the first camera unit and the first light source unit is perpendicular to a line connecting the second camera unit and the second light source unit.
6. The weak current terminal non-contact type online detection system as claimed in claim 4, wherein the first camera unit and the second camera unit both use CCD industrial cameras, and the CCD industrial cameras are configured with high-definition telecentric lenses; the first light source unit and the second light source unit both adopt square surface light sources.
7. The weak current terminal non-contact on-line detection system as claimed in claim 1, wherein the spring mounting detection module comprises a linear motion module and a third camera unit, and the third camera unit is located on the linear motion module and can move along the linear motion module; the third camera unit is a 3D line laser scanner.
8. The system for the non-contact on-line detection of the weak current terminal as claimed in claim 7, wherein the linear motion module is located above and parallel to the production line, and the motion direction of the third camera unit is parallel to the motion direction of the production line.
9. The weak current terminal non-contact type online detection system as claimed in claim 1, wherein the rivet point position detection module comprises a fourth camera unit and a ring-shaped light source unit, the fourth camera unit is located above the production line and arranged perpendicular to the production line, and the ring-shaped light source unit is arranged below the fourth camera unit and located on the same side of the production line as the fourth camera unit.
10. The system for the contactless online detection of the weak current terminal according to claim 9, wherein the fourth camera unit is a CCD industrial camera equipped with a high-definition macro lens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020311700.3U CN212144238U (en) | 2020-03-13 | 2020-03-13 | Weak current terminal non-contact on-line measuring system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020311700.3U CN212144238U (en) | 2020-03-13 | 2020-03-13 | Weak current terminal non-contact on-line measuring system |
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| CN212144238U true CN212144238U (en) | 2020-12-15 |
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| CN202020311700.3U Active CN212144238U (en) | 2020-03-13 | 2020-03-13 | Weak current terminal non-contact on-line measuring system |
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| TR01 | Transfer of patent right |
Effective date of registration: 20230726 Address after: No. 885 Huaguan Road, High tech Zone, Qingdao, Shandong Province, 266101 Patentee after: Haikeshong manufacturing intelligent technology (Qingdao) Co.,Ltd. Address before: No. 188, Zhuzhou Road, Laoshan District, Qingdao City, Shandong Province 266100 Patentee before: HEXAGON METROLOGY (QINGDAO) Co.,Ltd. |
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