SMT (Surface Mount Technology) first workpiece detection equipment based on laser guidance

By introducing a laser guidance mechanism into the SMT first-article inspection equipment and adjusting the laser light path to directly locate the components to be tested on the circuit board, the problem of operator field of view switching is solved, achieving more efficient and high-quality inspection.

CN223471053UActive Publication Date: 2025-10-24DONGGUAN TIANJI INTELLIGENT TECH CO LTD
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Patent Information

Application Number
CN202422662559.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-31
Publication Date
2025-10-24
Estimated Expiration
2034-10-31

AI Technical Summary

Technical Problem

In existing SMT first-article inspection systems, operators need to switch fields of view between different interfaces and manually search for components to be tested, resulting in excessive labor intensity.

Method used

Using laser-guided SMT first-article inspection equipment, the laser light path angle is adjusted through the optical path adjustment component to directly locate the components to be tested on the circuit board, reducing field of view switching.

Benefits of technology

It improves detection efficiency and quality and reduces the labor intensity of operators.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of SMT (Surface Mount Technology) initial workpiece detection, in particular to SMT initial workpiece detection equipment based on laser guidance, which comprises an equipment body, and the equipment body comprises a workbench, a fixing mechanism and a laser guidance mechanism. A placing groove is formed in the center of the workbench, the fixing mechanism is arranged in the placing groove, and the fixing mechanism is used for fixing a circuit board; the laser guiding mechanism is arranged above the fixing mechanism and comprises a stand column, an L-shaped extending plate and a light path adjusting assembly. The stand column is connected to the upper portion of the workbench. The L-shaped extension plate is connected to one end of the stand column; the light path adjusting assembly is connected to one side of the L-shaped extension plate and used for adjusting the angle of a laser light path. The purpose of the utility model is to provide the SMT first workpiece detection equipment based on laser guidance, so that an operator is prevented from continuously switching a visual field to find a detected element, and the labor intensity is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to SMT first piece detection field, especially a kind of SMT first piece detection equipment based on laser guidance. BACKGROUND

[0002] SMT equipment improves the automation level of electronic industry through technical progress, to realize few people work, reduce labor cost, increase personal output, maintain enterprise competitiveness, which will become the main theme of SMT manufacturing industry. It is also an important trend of SMT development in the future.

[0003] At present, when the first piece detection system needs to detect a component of the circuit board during the detection process, the first piece detection system will display a bright spot at the component position of the circuit board scanning picture to locate the component to be measured. The operator first observes the bright spot position of the scanning picture on the display, and then searches for the corresponding component on the physical circuit board. The probe of the LCR digital bridge table is placed on the component position of the physical circuit board, and the data of the component can be measured and displayed on the display. Since the positioning interface of the component to be detected on the circuit board and the detection interface of the component to be detected on the circuit board are not on the same interface during the detection process, the operator's field of vision needs to be constantly switched between the two interfaces, and the operator also needs to constantly search for the measured component to complete the detection work, which is too labor-intensive. UTILITY MODEL CONTENT

[0004] Therefore, the utility model aims at providing a kind of SMT first piece detection equipment based on laser guidance, to avoid operator constantly switching field of vision to find measured component, reduce labor intensity.

[0005] The utility model adopts the following technical solutions:

[0006] A kind of SMT first piece detection equipment based on laser guidance, including equipment body, the equipment body includes workbench, fixed mechanism and laser guidance mechanism;The central part of the workbench is provided with a placing groove, and the fixed mechanism is arranged in the interior of the placing groove, and the fixed mechanism is used to fix circuit board;The laser guidance mechanism is arranged above the fixed mechanism, and the laser guidance mechanism includes stand, L-shaped extension plate and optical path adjusting assembly;The stand is connected to the upper side of the workbench;The L-shaped extension plate is connected to one end of the stand;The optical path adjusting assembly is connected to one side of L-shaped extension plate, and the optical path adjusting assembly is used to adjust the angle of laser light path.

[0007] Further improvement to the above technical solution is that the optical path adjusting assembly includes bracket, laser, first galvanometer mirror and second galvanometer mirror;The bracket is connected to L-shaped extension plate;The laser is arranged on one side of the bracket;The first galvanometer mirror and the second galvanometer mirror are arranged on the other side of the bracket.

[0008] Further improvement of the above technical solution is that the first galvanometer is vertically arranged on the second galvanometer.

[0009] Further improvement of the above technical solution is that the fixing mechanism comprises a bottom plate, slide rails, a front clamping plate and a rear clamping plate; the bottom plate is connected to the inside of the placing groove; the number of the slide rails is two, and the two slide rails are arranged on the two sides of the bottom plate respectively; the front clamping plate is slidingly connected to the slide rails; and the rear clamping plate is fixed to one side of the slide rails.

[0010] Further improvement of the above technical solution is that the two ends of the front clamping plate are respectively provided with mounting pieces, the bottom of each mounting piece is connected with a sliding block, and the sliding block is movably connected with the slide rail.

[0011] Further improvement of the above technical solution is that the mounting piece is connected with a locking knob, the upper surface of the slide rail is provided with a plurality of locking holes, and the locking holes are connected with the bottom of the locking knob.

[0012] Further improvement of the above technical solution is that the inner side of the rear clamping plate is provided with a first clamping groove, and the inner side of the front clamping plate is provided with a second clamping groove; and the first clamping groove and the second clamping groove are arranged in parallel.

[0013] Further improvement of the above technical solution is that the device body further comprises a visual camera, a display and a detector; the visual camera is connected to the L-shaped extension plate; and the display and the detector are arranged above the workbench respectively.

[0014] Further improvement of the above technical solution is that the outside of the display is provided with a mounting cover, and the lower side of the mounting cover is provided with a light supplementing lamp.

[0015] Further improvement of the above technical solution is that the device body further comprises four supporting casters, and the four supporting casters are arranged at the bottom corners of the workbench respectively.

[0016] The device has the advantages that:

[0017] The light path adjusting assembly of the laser guiding mechanism is arranged, the angle of the swing galvanometer is adjusted, the light path angle of the laser is adjusted, the to-be-detected element on the circuit board is positioned according to the detection requirement, and the operator does not need to constantly switch the visual field to find the to-be-detected element, so that the detection efficiency and detection quality are improved, and the labor intensity of the test personnel is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 FIG. 1 is a structural schematic view of an SMT first-piece detection device based on laser guiding according to the present application;

[0019] Figure 2 FIG. 2 is a structural schematic view of an SMT first-piece detection device based on laser guiding according to the present application.Figure 1 The fixed mechanism, display, laser guiding mechanism, and position diagram of the detection instrument of the laser guiding-based SMT first piece detection equipment of the utility model;

[0020] Figure 3 The fixed mechanism, display, laser guiding mechanism, and position diagram of the detection instrument of the laser guiding-based SMT first piece detection equipment of the utility model; Figure 1 The fixed mechanism, display, laser guiding mechanism, and position diagram of the detection instrument of the laser guiding-based SMT first piece detection equipment of the utility model;

[0021] Figure 4 The fixed mechanism, display, laser guiding mechanism, and position diagram of the detection instrument of the laser guiding-based SMT first piece detection equipment of the utility model; Figure 3 The fixed mechanism, display, laser guiding mechanism, and position diagram of the detection instrument of the laser guiding-based SMT first piece detection equipment of the utility model;

[0022] Figure 5 The fixed mechanism, display, laser guiding mechanism, and position diagram of the detection instrument of the laser guiding-based SMT first piece detection equipment of the utility model; Figure 3 The fixed mechanism, display, laser guiding mechanism, and position diagram of the detection instrument of the laser guiding-based SMT first piece detection equipment of the utility model;

[0023] Figure 6 The fixed mechanism, display, laser guiding mechanism, and position diagram of the detection instrument of the laser guiding-based SMT first piece detection equipment of the utility model; Figure 1 The fixed mechanism, display, laser guiding mechanism, and position diagram of the detection instrument of the laser guiding-based SMT first piece detection equipment of the utility model;

[0024] Figure 7 The fixed mechanism, display, laser guiding mechanism, and position diagram of the detection instrument of the laser guiding-based SMT first piece detection equipment of the utility model; Figure 6 The fixed mechanism, display, laser guiding mechanism, and position diagram of the detection instrument of the laser guiding-based SMT first piece detection equipment of the utility model;

[0025] The fixed mechanism, display, laser guiding mechanism, and position diagram of the detection instrument of the laser guiding-based SMT first piece detection equipment of the utility model;

[0026] 10, equipment body; 11, circuit board; 12, visual camera; 13, display; 14, detection instrument; 15, mounting cover; 16, light supplement lamp; 17, supporting caster; 20, workbench; 21, placing groove; 30, fixed mechanism; 31, bottom plate; 40, laser guiding mechanism; 41, stand; 42, L-shaped extension plate; 50, optical path adjusting assembly; 51, support; 52, laser; 53, first galvanometer; 54, second galvanometer; 60, sliding rail; 61, locking hole; 70, front clamping plate; 71, mounting piece; 72, sliding block; 73, locking knob; 74, second clamping groove; 80, rear clamping plate; 81, first clamping groove. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0028] In the description of this utility model, it should be noted that the terms "vertical," "upper," "lower," and "horizontal," etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They are not intended to indicate or imply that the devices or components referred to must have, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," "third," and "fourth" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0029] It should also be noted that, in the description of the present invention, unless otherwise expressly specified or limited, the terms "disposed," "installed," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections, direct connections, connections through an intermediate medium, or internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on specific circumstances.

[0030] like Figures 1 to 7 As shown, an embodiment of the present invention relates to an SMT first-piece inspection device based on laser guidance, including a device body 10, wherein the device body 10 includes a workbench 20, a fixing mechanism 30 and a laser guiding mechanism 40; a placement groove 21 is opened in the center of the workbench 20, and the fixing mechanism 30 is arranged inside the placement groove 21, and the fixing mechanism 30 is used to fix the circuit board 11; the laser guiding mechanism 40 is arranged above the fixing mechanism 30, and the laser guiding mechanism 40 includes a column 41, an L-shaped extension plate 42 and an optical path adjustment component 50; the column 41 is connected to the top of the workbench 20; the L-shaped extension plate 42 is connected to one end of the column 41; the optical path adjustment component 50 is connected to one side of the L-shaped extension plate 42, and the optical path adjustment component 50 is used to adjust the angle of the laser optical path.

[0031] Furthermore, the device body 10 also includes a visual camera 12, a display 13, and a tester 14; the visual camera 12 is connected to the L-shaped extension plate 42; the display 13 and the tester 14 are respectively arranged above the workbench 20. Specifically, the visual camera 12 is used to photograph the circuit board 11, which is located within the range covered by the visual camera 12 and the optical path adjustment assembly 50; the display 13 is used to display the circuit board 11 photographed by the visual camera 12; and the tester 14 is used to test the components under test on the circuit board 11.

[0032] Further, the display 13 is externally provided with a mounting cover 15, and the lower portion of the mounting cover 15 is provided with a light supplementing lamp 16. Specifically, the light supplementing lamp 16 is arranged to effectively improve the brightness, so as to better position the measured element and effectively improve the detection efficiency.

[0033] Further, the device body 10 further comprises four supporting casters 17, and the four supporting casters 17 are respectively arranged at the bottom four corners of the workbench 20. Specifically, the supporting casters 17 are arranged to effectively improve the moving efficiency of the device, and the device can also be fixed when being moved to a certain position, so as to have high practicability.

[0034] Further, the light path adjusting assembly 50 comprises a bracket 51, a laser 52, a first galvanometer 53 and a second galvanometer 54. The bracket 51 is connected to the L-shaped extension plate 42. The laser 52 is arranged on one side of the bracket 51. The first galvanometer 53 and the second galvanometer 54 are arranged on the other side of the bracket 51. The first galvanometer 53 is arranged vertically on the second galvanometer 54. Specifically, the laser 52 projects a laser line, and the swinging angle of the first galvanometer 53 and the second galvanometer 54 is adjusted according to actual needs, so as to adjust the laser line to the position of the measured element. The overall adjustment is convenient, and the detection efficiency is effectively improved.

[0035] Further, the fixing mechanism 30 comprises a bottom plate 31, slide rails 60, a front clamping plate 70 and a rear clamping plate 80. The bottom plate 31 is connected to the inside of the placing groove 21. The number of the slide rails 60 is two, and the two slide rails 60 are respectively arranged on the two sides of the bottom plate 31. The front clamping plate 70 is slidably connected to the slide rails 60. The rear clamping plate 80 is fixed to one side of the slide rails 60. Specifically, according to the size of the circuit board 11, the front clamping plate 70 is moved on the slide rails 60 to adjust the distance between the front clamping plate 70 and the rear clamping plate 80, so as to fix the circuit board 11 and meet the fixing requirements of different circuit boards 11, thereby improving the detection efficiency.

[0036] Further, the two ends of the front clamping plate 70 are respectively provided with mounting pieces 71, the bottom of each mounting piece 71 is connected with a sliding block 72, and the sliding block 72 is movably connected with the slide rail 60. Specifically, the front clamping plate 70 is moved relative to the slide rail 60 through the sliding connection between the sliding block 72 and the slide rail 60, so that the distance between the front clamping plate 70 and the rear clamping plate 80 meets the size of the circuit board 11 to be fixed, thereby facilitating detection.

[0037] Further, the mounting piece 71 is connected with a locking knob 73, the upper surface of the slide rail 60 is provided with a plurality of locking holes 61, and the bottom of the locking knob 73 is connected with the locking hole 61. Specifically, when the front clamping plate 70 is moved to a certain position, the front clamping plate 70 is locked by rotating the locking knob 73 and connecting the locking knob 73 with the locking hole 61, thereby fixing the circuit board 11.

[0038] Further, the inner side of the rear clamping plate 80 is provided with a first clamping groove 81, and the inner side of the front clamping plate 70 is provided with a second clamping groove 74; the first clamping groove 81 and the second clamping groove 74 are arranged in parallel. Specifically, the arrangement of the first clamping groove 81 and the second clamping groove 74 facilitates the placement of the two side edges of the circuit board 11, and cooperates with the use of the locking knob 73 to improve the fixing effect.

[0039] The utility model sets up the light path adjusting assembly 50 of laser guidance mechanism 40, swing the angle of galvanometer, and then adjust the light path angle of laser, according to the need of detection, the element to be measured on circuit board 11 is positioned, avoids the operator to switch the field of vision constantly to seek the measured element, therefore, the utility model has the advantages of improving detection efficiency, detection quality, reducing the labor intensity of tester.

[0040] The above only expresses the preferred technical scheme of the utility model, which is described in detail, but it cannot be understood as limiting the scope of the utility model patent. It should be noted that for ordinary skilled persons in the art, without departing from the concept of the utility model, a number of modifications and improvements can be made, and the utility model also intends to include these changes and modifications.

Claims

1. A laser-guided SMT first piece detection device, characterized in that, The device body comprises a workbench, a fixing mechanism and a laser guiding mechanism; a placing groove is formed in the center of the workbench, the fixing mechanism is arranged inside the placing groove and is used for fixing a circuit board; the laser guiding mechanism is arranged above the fixing mechanism and comprises a stand, an L-shaped extension plate and a light path adjusting assembly; the stand is connected to the top of the workbench; the L-shaped extension plate is connected to one end of the stand; the light path adjusting assembly is connected to one side of the L-shaped extension plate and is used for adjusting the angle of the laser light path.

2. The laser-guided based SMT first piece detection device according to claim 1, characterized in that, The light path adjusting assembly comprises a bracket, a laser, a first galvanometer and a second galvanometer; the bracket is connected to the L-shaped extension plate; the laser is arranged on one side of the bracket; the first galvanometer and the second galvanometer are arranged on the other side of the bracket.

3. The laser pointer based SMT first piece detection apparatus according to claim 2, characterized in that, The first galvanometer is arranged vertically to the second galvanometer.

4. The laser-guided SMT first piece detection apparatus according to claim 1, characterized in that, The fixing mechanism comprises a bottom plate, a slide rail, a front clamping plate and a rear clamping plate; the bottom plate is connected to the inside of the placing groove; the number of the slide rails is two, and the two slide rails are arranged on the two sides of the bottom plate respectively; the front clamping plate is slidingly connected to the slide rail; and the rear clamping plate is fixed to one side of the slide rail.

5. The laser pointer based SMT first piece detection apparatus according to claim 4, characterized in that, Both ends of the front clamping plate are respectively provided with mounting pieces, the bottom of each mounting piece is connected with a sliding block, and the sliding block is movably connected with the slide rail.

6. The laser pointer based SMT first piece detection apparatus according to claim 5, characterized in that, The mounting piece is connected with a locking knob, the upper surface of the slide rail is provided with a plurality of locking holes, and the locking holes are connected with the bottom of the locking knob.

7. The laser pointer based SMT first piece detection apparatus according to claim 4, wherein, The inner side of the rear clamping plate is provided with a first clamping groove, and the inner side of the front clamping plate is provided with a second clamping groove; the first clamping groove and the second clamping groove are arranged in parallel.

8. The laser-guided SMT first piece detection apparatus according to claim 1, characterized in that, The device body further comprises a visual camera, a display and a detector; the visual camera is connected to the L-shaped extension plate; and the display and the detector are arranged above the workbench respectively.

9. The laser pointer based SMT first piece detection apparatus according to claim 8, characterized in that, The outside of the display is provided with a mounting cover, and the lower side of the mounting cover is provided with a light supplementing lamp.

10. The laser pointer based SMT first piece detection apparatus according to claim 1, wherein, The device body further comprises four supporting casters, and the four supporting casters are arranged at the bottom corners of the workbench respectively.