CN210803250U - SMT steel plate automatic detection equipment - Google Patents
SMT steel plate automatic detection equipment Download PDFInfo
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- CN210803250U CN210803250U CN201921208153.XU CN201921208153U CN210803250U CN 210803250 U CN210803250 U CN 210803250U CN 201921208153 U CN201921208153 U CN 201921208153U CN 210803250 U CN210803250 U CN 210803250U
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Abstract
The utility model discloses a SMT steel sheet automatic check out test set, including visual detection module, base station module, the base station module is used for bearing visual detection module with the SMT steel sheet, wherein visual detection module includes X axle module, Z axle module, the base station module includes Y axle module, net frame microscope carrier, base, and this automatic check out test set has overcome the drawback that traditional detected, reduces the cost of labor, when shortening production cycle, can high efficiency, high accuracy find out the problem and make judgement and mark, output data report form, accomplish that the detection problem can be traceed back.
Description
Technical Field
The invention belongs to the field of SMT, and particularly relates to an SMT steel plate automatic detection device.
Background
Surface Mounting Technology (SMT) was born in the last 60 years, and has a significant position in the development of the whole electronic industry, and as one of core technologies of SMT Technology, the manufacturing process of SMT templates has been continuously perfected, however, the SMT template manufacturing process concerned in the industry is often the front-stage sheet manufacturing process of SMT templates (i.e., the SMT template with open patterns shown in fig. 1), and the corresponding rear-stage quality detection method has not been effectively developed.
With the refinement of electronic products, the mounted parts become smaller and smaller, and the challenge to the SMT process becomes more and more severe. 70% of process defects in the whole process occur in the printing process, and the defects caused by the poor steel mesh account for about 35%. The quality of the steel mesh cannot be detected easily to improve the printing quality. The traditional detection method is mainly completed by leading people, namely, the opening area of the steel plate is visually amplified through an amplifying device, the opening effect after amplification is observed by human eyes, whether the problems of position deviation, burrs, foreign matters, hole blockage, few holes and multiple holes exist or not is confirmed, then the defects of the problems are manually recorded, and therefore repair or rework is conducted, the process cannot provide quantifiable inspection data in the aspect of precision, the inspection efficiency is low, and the requirement of high efficiency of enterprises cannot be met.
Disclosure of Invention
In view of the above, the invention provides an automatic SMT steel sheet detection device, which overcomes the defects of the traditional detection, reduces labor cost, shortens production period, and can efficiently and accurately find out problems, make judgment and marking, output data reports, and trace detection problems. The specific technical scheme is as follows:
the utility model provides a SMT steel sheet automatic checkout equipment, includes visual detection module, base station module, the base station module is used for bearing visual detection module with the SMT steel sheet, wherein visual detection module includes X axle module, Z axle module, the base station module includes Y axle module, screen frame microscope carrier, base, the setting of X axle module activity is in on the Y axle module, the setting of Z axle module activity is in on the X axle module, its characterized in that, Z axle module includes the linear array camera, the opening quality on the SMT steel sheet is used for scanning, monitoring to the linear array camera, Y axle module includes the line and sweeps the light source, just the line is swept the light source and is located all the time under the linear array camera.
Furthermore, the Y-axis module is fixed on the base through Y-axis cushion blocks arranged on two sides of the base, and the screen frame carrying platform is fixed on the base through two platform cushion blocks arranged on the adjacent sides of the Y-axis cushion blocks, so that the position relation of the screen frame carrying platform in the middle of the Y-axis module is formed.
Furthermore, the Y-axis module comprises a Y-axis guide rail, a Y-axis motor and a Y-axis movable plate, the Y-axis guide rail and the Y-axis motor are fixedly installed on the Y-axis cushion block, the Y-axis movable plate is arranged on the Y-axis guide rail in a sliding mode, the Y-axis movable plate can move in the Y-axis direction or can move to a determined position and then is fixed, and the Y-axis motor provides power for the movement of the Y-axis movable plate; the Y-axis movable plate is fixedly provided with a follow-up light source mounting plate, the follow-up light source mounting plate extends from the Y-axis movable plate to the direction of the base and extends to the position below the screen frame loading platform, and the line scanning light source is fixed on the follow-up light source mounting plate to form the position relation of the line scanning light source below the screen frame loading platform; the linear scanning light source is a strip light source.
Furthermore, the X-axis module comprises an X-axis movable plate, an X-axis connecting plate, an X-axis motor and an X-axis transmission mechanism, the Z-axis module is fixedly arranged on the X-axis movable plate, and can move along with the X-axis movable plate in the X-axis direction or can move to a determined position and then be fixed; the X-axis transmission mechanism is used for realizing the movement of the X-axis movable plate in the X-axis direction, and the X-axis motor provides power for the movement of the X-axis movable plate; the X-axis module is fixed on the Y-axis movable plate through an X-axis connecting plate;
the Z-axis module further comprises an area array camera, a Z-axis motor and a Z-axis transmission mechanism, the linear array camera and the area array camera are jointly arranged on a Z-axis movable plate of the Z-axis module, and the Z-axis movable plate can move in the vertical direction or can move to a determined position and then be fixed; the Z-axis transmission mechanism is used for realizing the movement of the Z-axis movable plate in the vertical direction, and the Z-axis motor provides power for the movement of the Z-axis movable plate.
Further, a focusing ring is fixed below the linear array camera, and a linear scanning lens matched with the linear array camera is installed below the focusing ring; and a surface scanning lens matched with the area array camera is arranged below the area array camera.
Further, the screen frame carrier comprises a screen frame clamping and fixing frame and a screen frame sliding rail, the screen frame sliding rail is fixedly arranged on the two carrier cushion blocks, the screen frame clamping and fixing frame is movably arranged on the two screen frame sliding rails in a spanning mode through a sliding block, an elastic knob is arranged at the connecting end of the sliding block and the screen frame sliding rail, and the sliding block can move on the screen frame sliding rail or can be fixed after moving to a determined position through adjusting the elastic knob; and a scale is further arranged on the side surface of the carrying platform cushion block, so that the specific moving position of the sliding block on the screen frame sliding rail can be observed and recorded conveniently.
Further, the screen frame carrying platform further comprises an air cylinder, the air cylinder is installed below the screen frame clamping fixing frame, a top block is arranged inside the screen frame clamping fixing frame, the top block is connected with the air cylinder through penetrating through the screen frame clamping fixing frame, and the top block can move up and down inside the screen frame clamping fixing frame under the action of the air cylinder.
Furthermore, SMT steel sheet automatic checkout equipment still includes system control module, system control module is used for controlling SMT steel sheet automatic checkout equipment's operation process handles the data that visual detection module gathered.
Furthermore, the Y-axis module also comprises a grating ruler which is used for feeding back the moving position of the Y-axis moving plate on the Y-axis guide rail; and a cooling fan is arranged below the line scanning light source.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic perspective view of an SMT steel plate automatic detection device according to the present invention;
FIG. 2 is a perspective view of a base module of the SMT steel plate automatic detection apparatus according to the present invention;
FIG. 3 is a schematic perspective view of a visual inspection module in an SMT steel plate automatic inspection device;
FIG. 4 is a schematic perspective view of a screen frame carrier in the SMT steel plate automatic detection device;
wherein the content of the first and second substances,
the device comprises a base station module 1, a visual detection module 2, a base 3, a Y-axis cushion block 11, a Y-axis guide rail 12, a Y-axis motor 13, a Y-axis movable plate 14, a follow-up light source mounting plate 15, a linear scanning light source 16, a fan 17, a Y-axis drag chain fixing plate 18, a Y-axis drag chain 19, an X-axis drag chain fixing plate 20, an X-axis transmission mechanism 21, an X-axis motor 211, an X-axis connecting plate 22, an X-axis movable plate 23, a Z-axis transmission mechanism 24, a Z-axis motor 241, a Z-axis movable plate 25, a linear camera 26, a planar array camera 27, a linear scanning lens 28, a planar scanning camera 29, a focusing ring 30, a carrier block 31, a frame cushion block 32, a frame sliding rail 33, a sliding block 34, a frame clamping fixing plate 35, a knob 36, an air cylinder, a top block 37 and a scale 38.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative only and should not be construed as limiting the invention.
Referring to fig. 1, the SMT steel sheet automatic inspection apparatus of the present invention includes a vision inspection module 2 and a base module 1, wherein the base module 1 is integrally used for carrying the vision inspection module 2 and the SMT steel sheet. The visual inspection module 2 is used for scanning and detecting the opening quality of the SMT steel plate, and the more specific scheme of the invention is specifically developed as follows:
The Y-axis module comprises a Y-axis guide rail 12, a Y-axis motor 13 and a Y-axis movable plate 14, the Y-axis guide rail 12 and the Y-axis motor 13 are fixedly installed on the Y-axis cushion block 11, the Y-axis movable plate 14 is arranged on the Y-axis guide rail 12 in a sliding mode, the Y-axis movable plate 14 can move in the Y-axis direction or can move to a determined position and then is fixed, the Y-axis motor 13 provides power for the movement of the Y-axis movable plate 14, and a linear motor is preferably used as the Y-axis motor 13 in the embodiment; a follow-up light source mounting plate 15 is further fixedly mounted on the Y-axis movable plate 14, the follow-up light source mounting plate 15 extends from the Y-axis movable plate 14 to the direction of the base 3 and extends to the lower part of the screen frame carrier, and the line scanning light source 16 is fixed on the follow-up light source mounting plate 15 to form the position relation of the line scanning light source 16 below the screen frame carrier; the line scanning light source 16 is a strip light source, and a heat dissipation fan 17 is arranged below the line scanning light source 16, so as to prevent the line scanning light source 16 from generating heat due to long-time work and further cause the SMT steel plate to be heated and deformed. In addition, the Y-axis module further comprises a grating scale fixed on the inner side of the Y-axis pad 11 for feeding back the moving position of the Y-axis moving plate 14 on the Y-axis guide rail 12.
As shown in fig. 3, the X-axis module includes an X-axis moving plate 23, an X-axis connection plate 22, an X-axis motor 211, and an X-axis transmission mechanism 21, the Z-axis module is fixedly disposed on the X-axis moving plate 23, and the Z-axis module can move along with the X-axis moving plate 23 in the X-axis direction or can be fixed after moving to a certain position; the X-axis transmission mechanism 21 is used for realizing the movement of the X-axis movable plate 23 in the X-axis direction, and the X-axis motor 211 provides power for the movement of the X-axis movable plate 23; the X-axis module is fixed to the Y-axis moving plate 14 by an X-axis transfer plate 22, and the X-axis transfer plate 22 is mounted on the X-axis transmission mechanism 21 so that the entire X-axis module will move with the Y-axis moving plate 14 when it moves. In the embodiment, the transmission mode in the X-axis transmission mechanism 21 may be rail transmission or lead screw transmission, the invention is not specifically specified, and the structure capable of realizing the transmission function is enough, and it is clear that a fixed beam is further provided in the X-axis transmission mechanism 21 as a fixed bridge for integrating the structures of the parts of the X-axis module and connecting the X-axis module and the Y-axis module, where "integration" means that the structures of the parts of the X-axis module are at least directly or indirectly fixed on the fixed beam.
The Z-axis module comprises a linear array phase 26, an area array camera 27, a Z-axis motor 241 and a Z-axis transmission mechanism 24, wherein the linear array camera 26 and the area array camera 27 are jointly arranged on a Z-axis movable plate 25 of the Z-axis module and can move along with the Z-axis movable plate 25 in the vertical direction or can move to a determined position and then be fixed; a focusing ring 30 is fixed below the linear array camera 26, and a linear scanning lens 28 matched with the linear array camera 26 is installed below the focusing ring 30; a face scan lens 29 is mounted below the area-array camera 27. The line array camera 26 is used for scanning the condition of opening position on the SMT steel sheet line by line accurately, and the area array camera 27 is used for the preliminary location and the secondary detection of SMT steel sheet, fixes a position point on the SMT steel sheet promptly, makes clear and makes clear that the line array camera 26 scans the starting position to after the line array camera 26 scans, utilize the area array camera 27 to carry out the secondary and detect, confirm whether have other opening pattern part line array camera 26 on the SMT steel sheet and not scan.
The Z-axis transmission mechanism 24 is used for realizing the movement of the Z-axis moving plate 25 in the vertical direction, and the Z-axis motor 241 provides power for the movement of the Z-axis moving plate 25. The transmission mode in the Z-axis transmission mechanism 24 in this embodiment may be a rail-slider transmission or other structures capable of realizing a transmission function, and the whole Z-axis module is fixed on the X-axis movable plate 23 through the Z-axis transmission mechanism 24.
It should be clear here that the line scan light source 16 in the Y-axis module is always located right below the line camera 26 or the line scan lens 28, specifically, in the present invention, the line scan light source 16 is directly fixed to the Y-axis moving plate 14, and the line scan light source 16 and the line camera 26 are set to be located on the same straight line in the vertical direction, so that when the line camera 26 performs line-by-line scanning in the Y-axis direction, the line scan light source 16 also moves along with it, the line scan light source 16 provides a bright field of view for the scanning of the line camera 26 in real time, and it is ensured that the detection accuracy of the line camera 26 is not affected by the external illumination factor. Meanwhile, the linear scanning light source 16 is in a strip shape and is in a follow-up design, compared with the traditional mode of laying the light source on the whole surface below the SMT steel plate, the cost and the resource are greatly saved, and the influence of thermal deformation on the SMT steel plate in the traditional light source irradiation process can be eliminated.
As further shown in fig. 4, the screen frame carrier includes a screen frame clamping fixed frame 34 and screen frame slide rails 32, the screen frame slide rails 32 are fixedly mounted on the two carrier pad blocks 31, the screen frame clamping fixed frame 34 is movably spanned on the two screen frame slide rails 32 through sliders 33, elastic knobs 35 are mounted at the connecting ends of the sliders 33 and the screen frame slide rails 32, the sliders 33 can be moved on the screen frame slide rails 32 or fixed after being moved to a determined position by adjusting the elastic knobs 35, and the screen frame carrier is designed to meet the requirements of SMT steel plates of different sizes; the side surface of the stage pad block 31 is also provided with a scale, which is convenient for observing and recording the specific moving position of the sliding block 33 on the screen frame sliding rail 32. The screen frame carrying platform further comprises a cylinder 36, the cylinder 36 is installed below the screen frame clamping fixing frame 34, a top block 37 is arranged inside the screen frame clamping fixing frame 34, the top block 37 is connected with the cylinder 36 through penetrating through the screen frame clamping fixing frame 34, and the top block 37 can move up and down inside the screen frame clamping fixing frame 34 under the action of the cylinder 36. After putting into the fixed frame 34 of screen frame centre gripping with the SMT steel sheet, thereby cylinder 36 ventilates tightly the fixed frame 34 of screen frame centre gripping with the kicking block 37 jack-up, prevents that the SMT steel sheet from producing the removal at the in-process that detects.
In this embodiment, the Y-axis movable plate 14 and the Y-axis pad 11 of the present invention are further respectively mounted with an X-axis drag chain fixing plate 20 and a Y-axis drag chain fixing plate 18, which are respectively used for carrying the X-axis drag chain and the Y-axis drag chain 19 and are dragged for routing of the equipment, so as to prevent the flat cable of the equipment from being exposed to the outside to affect the operation.
In addition, it should be noted that the SMT steel sheet automatic detection device further comprises a system control module, and the system control module is used for controlling the operation process of the SMT steel sheet automatic detection device. The system control module comprises a computer for receiving and processing data scanned by a linear array camera 26 and an area array camera 27, the invention carries out primary positioning by the area array camera 27, the linear array camera 26 carries out accurate scanning, the acquired SMT steel plate surface data is synchronously transmitted to the computer, then the computer directly compares the SMT steel plate surface data with an original manufacturing file, the data of the steel mesh opening area, the position, the offset and the size and the result of whether the problems are burr, foreign matter, hole blockage, few holes, multiple holes and the like are efficiently obtained, the problems are marked, a data report is output, and the detection problem can be traced. Compared with the traditional manual detection method, the method has the advantage that the efficiency is at least 10 times higher. Of course, the system control module also includes a control circuit and other sensing devices, and the system control module is not specifically shown in the drawings since this portion need not be shown in the drawings for understanding.
It should be noted that, the automatic SMT steel sheet detection device according to the present invention may further include some protective covers, which may partially protect mechanisms that need to be protected on the device according to the present invention, and may also integrally protect the mechanism, so as to prevent dust from penetrating into the mechanism and affecting the use effect of the device.
While specific embodiments of the invention have been described in detail with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this invention. In particular, reasonable variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the foregoing disclosure, the drawings and the appended claims without departing from the spirit of the invention. Except variations and modifications in the component parts and/or arrangements, the scope of which is defined by the appended claims and equivalents thereof.
Claims (9)
1. The utility model provides a SMT steel sheet automatic checkout equipment, includes visual detection module, base station module, the base station module is used for bearing visual detection module with the SMT steel sheet, wherein visual detection module includes X axle module, Z axle module, the base station module includes Y axle module, screen frame microscope carrier, base, the setting of X axle module activity is in on the Y axle module, the setting of Z axle module activity is in on the X axle module, its characterized in that, Z axle module includes linear array camera, linear array camera is used for scanning, monitors the opening quality on the SMT steel sheet, Y axle module includes the line and sweeps the light source, the line is swept the light source and is located all the time under linear array camera.
2. An SMT steel plate automatic detection apparatus according to claim 1, wherein the Y-axis module is fixed to the base through Y-axis pads mounted on two sides of the base, and the screen frame carrier is fixed to the base through two carrier pads mounted on adjacent sides of the Y-axis pads, so that a positional relationship of the screen frame carrier in a middle of the Y-axis module is formed.
3. An SMT steel plate automatic detection device according to claim 2, wherein the Y-axis module further comprises a Y-axis guide rail, a Y-axis motor and a Y-axis moving plate, the Y-axis guide rail and the Y-axis motor are fixedly mounted on the Y-axis cushion block, the Y-axis moving plate is slidably arranged on the Y-axis guide rail, the Y-axis moving plate can move in a Y-axis direction or can be fixed after moving to a determined position, and the Y-axis motor provides power for movement of the Y-axis moving plate; the Y-axis movable plate is fixedly provided with a follow-up light source mounting plate, the follow-up light source mounting plate extends from the Y-axis movable plate to the direction of the base and extends to the position below the screen frame loading platform, and the line scanning light source is fixed on the follow-up light source mounting plate to form the position relation of the line scanning light source below the screen frame loading platform; the linear scanning light source is a strip light source.
4. An SMT steel plate automatic detection device according to claim 3, wherein the X-axis module comprises an X-axis movable plate, an X-axis rotary plate, an X-axis motor and an X-axis transmission mechanism, the Z-axis module is fixedly arranged on the X-axis movable plate, and the Z-axis module can move along with the X-axis movable plate in the X-axis direction or can be fixed after moving to a determined position; the X-axis transmission mechanism is used for realizing the movement of the X-axis movable plate in the X-axis direction, and the X-axis motor provides power for the movement of the X-axis movable plate; the X-axis module is fixed on the Y-axis movable plate through an X-axis connecting plate;
the Z-axis module further comprises an area array camera, a Z-axis motor and a Z-axis transmission mechanism, the linear array camera and the area array camera are jointly arranged on a Z-axis movable plate of the Z-axis module, and the Z-axis movable plate can move in the vertical direction or can move to a determined position and then be fixed; the Z-axis transmission mechanism is used for realizing the movement of the Z-axis movable plate in the vertical direction, and the Z-axis motor provides power for the movement of the Z-axis movable plate.
5. An SMT steel plate automatic detection device according to claim 4, wherein a focusing ring is fixed below the linear array camera, and a linear scanning lens matched with the linear array camera is installed below the focusing ring; and a surface scanning lens matched with the area array camera is arranged below the area array camera.
6. An SMT steel plate automatic detection device according to claim 2, wherein the screen frame carrier comprises a screen frame clamping fixing frame and screen frame sliding rails, the screen frame sliding rails are fixedly mounted on the two carrier cushion blocks, the screen frame clamping fixing frame is movably arranged on the two screen frame sliding rails in a spanning mode through a sliding block, an elastic knob is mounted at a connecting end of the sliding block and the screen frame sliding rails, and the sliding block can be moved on the screen frame sliding rails or fixed after being moved to a determined position by adjusting the elastic knob; and a scale is further arranged on the side surface of the carrying platform cushion block, so that the specific moving position of the sliding block on the screen frame sliding rail can be observed and recorded conveniently.
7. An SMT steel plate automatic detection device according to claim 6, wherein the screen frame carrier further comprises an air cylinder, the air cylinder is mounted below the screen frame clamping fixing frame, a top block is arranged inside the screen frame clamping fixing frame, the top block is connected with the air cylinder by penetrating through the screen frame clamping fixing frame, and the top block can move up and down inside the screen frame clamping fixing frame under the action of the air cylinder.
8. An SMT steel plate automatic detection device according to claim 1, wherein the SMT steel plate automatic detection device further comprises a system control module, and the system control module is used for controlling an operation process of the SMT steel plate automatic detection device and processing data collected by the visual detection module.
9. An SMT steel plate automatic detection device according to claim 3, wherein the Y-axis module further comprises a grating scale for feeding back a position of the Y-axis moving plate moving on the Y-axis guide rail; and a cooling fan is arranged below the line scanning light source.
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| CN201921208153.XU CN210803250U (en) | 2019-07-30 | 2019-07-30 | SMT steel plate automatic detection equipment |
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| CN201921208153.XU CN210803250U (en) | 2019-07-30 | 2019-07-30 | SMT steel plate automatic detection equipment |
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| CN210803250U true CN210803250U (en) | 2020-06-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111853196A (en) * | 2020-07-28 | 2020-10-30 | 中国科学院长春光学精密机械与物理研究所 | Compact three-dimensional motion mechanism |
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2019
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111853196A (en) * | 2020-07-28 | 2020-10-30 | 中国科学院长春光学精密机械与物理研究所 | Compact three-dimensional motion mechanism |
| CN111853196B (en) * | 2020-07-28 | 2021-09-03 | 中国科学院长春光学精密机械与物理研究所 | Compact three-dimensional motion mechanism |
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