Automatic positioning detection device suitable for various PCBs
By designing an automatic positioning and inspection device that adapts to various types of PCB boards, automated PCB board positioning and clamping are achieved, solving the problem of insufficient adaptability of traditional inspection equipment, improving inspection accuracy and production efficiency, and enhancing the adaptability of the equipment and the reliability of inspection results.
Patent Information
- Application Number
- CN202423000722.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-05
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-12-05
AI Technical Summary
Traditional PCB board inspection equipment requires manual adjustment to adapt to different sizes and thicknesses, which is time-consuming, labor-intensive, and inaccurate in positioning, affecting the reliability of inspection results and making it difficult to meet the demands of modern production for high efficiency, high precision, and high adaptability.
An automatic positioning and detection device for various types of PCB boards was designed, including a Z-axis drive module, an XYR moving module, a PCB board width and thickness adjustment mechanism, and a clamping and fixing component, etc., to achieve automated PCB board positioning and clamping, and to adapt to PCB boards of different sizes and thicknesses through mechanical motion and automated control.
It improves detection accuracy and production efficiency, reduces manual adjustment time, lowers labor costs, enhances equipment flexibility and adaptability, and ensures the accuracy and reliability of test results.
Smart Images
Figure CN223565827U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to automatic equipment technical field, especially relate to a kind of automatic positioning detection device suitable for various kinds of PCB. BACKGROUND
[0002] In the traditional PCB detection process, the detection equipment often needs to be manually adjusted for different sizes and thicknesses of PCBs, which not only consumes time and effort, but also easily leads to inaccurate positioning due to human factors, affecting the reliability of the detection results. With the development of the electronics industry, the design of PCBs is becoming more and more complex, and the size and thickness difference is also becoming larger and larger, which puts higher requirements on the adaptability and automation level of the detection equipment. Due to the structural limitations of traditional detection equipment, it is difficult to meet the needs of high efficiency, high precision and high adaptability in modern production. SUMMARY
[0003] To solve the problems in the prior art, the utility model provides an automatic positioning detection device suitable for various types of PCBs.
[0004] To achieve the above purpose, the utility model technical scheme is as follows:
[0005] The utility model provides an automatic positioning detection device suitable for various types of PCBs, characterized by comprising:
[0006] Z-axis drive module, XYR moving module and XYR clamping and fixing assembly arranged at the output end of the Z-axis drive module, XYR shaft moving platform arranged on the XYR moving module and XYR clamping and fixing assembly, PCB width adjusting mechanism installed on the XYR shaft moving platform, PCB thickness adjusting mechanism, PCB lifting assembly arranged on the output end of the PCB thickness adjusting mechanism, PCB positioning assembly arranged on the PCB lifting assembly, PCB running mechanism one and PCB clamping mechanism arranged on the output end of the PCB width adjusting mechanism, and PCB running mechanism two and PCB fixed edge assembly arranged on the XYR shaft moving platform and opposite to the PCB running mechanism one and PCB clamping mechanism.
[0007] Preferably, the Z-axis drive module comprises a Z-axis motor, a Z-axis screw arranged at the output end of the Z-axis motor, a jacking seat arranged on the Z-axis screw, a fixed plate arranged at the top of the Z-axis screw, a guide shaft arranged at one end of the fixed plate and penetrating through the jacking seat.
[0008] Preferably, the XYR moving module and XYR clamping and fixing assembly are installed on the jacking seat.
[0009] The XYR moving module comprises an X-axis driving module, an X-axis assembly arranged at the output end of the X-axis driving module, a Y-axis driving module I arranged at the lower side of the X-axis driving module, a Y-axis assembly I arranged at the output end of the Y-axis driving module I, a Y-axis driving module II arranged at the side of the X-axis driving module, a Y-axis assembly II arranged at the output end of the Y-axis driving module II, and a follow-up assembly arranged at the lower side of the Y-axis driving module II.
[0010] The four ends of the XYR-axis moving platform are arranged on the X-axis assembly, the Y-axis assembly I, the Y-axis assembly II and the follow-up assembly.
[0011] The Y-axis assembly I comprises a Y-axis sliding assembly I, an R-rotating bearing shaft assembly I arranged on the Y-axis sliding assembly I, and an X-axis sliding assembly I arranged on the R-rotating bearing shaft assembly I.
[0012] The Y-axis assembly II comprises a Y-axis sliding assembly II, an R-rotating bearing shaft assembly II arranged on the Y-axis sliding assembly II, and an X-axis sliding assembly II arranged on the R-rotating bearing shaft assembly II.
[0013] The X-axis assembly comprises an X-axis sliding assembly III, an R-rotating bearing shaft assembly III arranged on the X-axis sliding assembly III, and a Y-axis sliding assembly III arranged on the R-rotating bearing shaft assembly III.
[0014] The follow-up assembly comprises an X-axis sliding assembly IV, an R-rotating bearing shaft assembly IV arranged on the X-axis sliding assembly IV, and a Y-axis sliding assembly IV arranged on the R-rotating bearing shaft assembly IV.
[0015] Preferably, the XYR clamping and fixing assembly comprises a cylinder, a platform fixing rod arranged at the output end of the cylinder, and the end of the platform fixing rod is mounted on the XYR-axis moving platform.
[0016] Preferably, the PCB board width adjusting mechanism comprises a PCB board width adjusting motor, a synchronous wheel arranged at the output end of the PCB board width adjusting motor, two driven wheel assemblies arranged at the two sides of the synchronous wheel, a lead screw mounted on each driven wheel assembly, and a moving plate arranged on the lead screw, and the moving plate is mounted with the PCB board running mechanism I and the PCB board clamping mechanism.
[0017] Preferably, the PCB board thickness adjusting mechanism comprises a PCB board thickness adjusting cylinder, a sliding assembly, a bottom plate seat arranged on the sliding assembly, and a push block mounted at the two sides of the bottom plate seat, the output end of the PCB board thickness adjusting cylinder is connected with the bottom plate seat, and the top side of the push block is provided with a slope.
[0018] Preferably, the PCB board lifting assembly comprises a jacking plate, a jacking fixed block arranged at the bottom of the jacking plate, a roller mounted at the two sides of the jacking fixed block, and an optical shaft assembly arranged at the four ends of the jacking plate.
[0019] The roller is arranged on the slope of the push block, the optical axis assembly comprises an optical axis, a guide sleeve arranged on the optical axis, and a guide sleeve fixing column for fixing the guide sleeve; one end of the optical axis is mounted on the bottom of the jacking plate, and the other end penetrates through the XYR-axis moving platform; the guide sleeve fixing column is mounted on the XYR-axis moving platform.
[0020] Preferably, the PCB positioning assembly comprises a positioning fixing seat, a positioning shaft fixing plate, a telescopic air cylinder arranged at one end of the positioning shaft fixing plate, an optical shaft and a screw rod arranged at the other end of the positioning shaft fixing plate; the telescopic air cylinder blocks the PCB when it is extended, and allows the PCB to pass when it is retracted; the positioning fixing seat is arranged on the jacking plate, and the other end of the optical shaft and the screw rod penetrates through the positioning fixing seat.
[0021] Preferably, the first PCB running mechanism comprises a guide rail, a plurality of belt pulleys mounted on the guide rail, a servo motor arranged at one end of the guide rail, a belt arranged on the output end of the servo motor and the belt pulleys, a spring extrusion piece arranged on the back of the guide rail, a clamping plate sliding guide plate arranged on the back of the guide rail, and a sliding member one mounted on the clamping plate sliding guide plate.
[0022] The PCB clamping mechanism comprises a movable clamping plate; the movable clamping plate is arranged on the top of the guide rail and is in sliding connection with the sliding member one; the movable clamping plate is connected with the spring extrusion piece.
[0023] Preferably, the second PCB running mechanism comprises a fixed edge guide rail, a plurality of belt pulleys two mounted on the fixed edge guide rail, a servo motor two arranged at one end of the fixed edge guide rail, and a belt two arranged on the output end of the servo motor two and the belt pulleys two.
[0024] The PCB fixed edge assembly comprises a fixed clamping plate; the fixed edge clamping plate is arranged on the fixed edge guide rail.
[0025] The technical scheme of the utility model has the following beneficial effects:
[0026] The device can automatically adapt to PCB boards of different sizes and thicknesses without manual intervention, greatly improving the adaptability to different PCB boards; the design allows rapid adjustment to adapt to PCB boards of different sizes and thicknesses, enhancing the flexibility and adaptability of the equipment and meeting diversified detection needs; through automatic PCB positioning and clamping, manual adjustment time is reduced, the detection process is accelerated, and the overall production efficiency is improved.
[0027] Improve detection accuracy: through precise mechanical movement and automatic control, the device can ensure accurate positioning of the PCB board during detection, thereby improving the accuracy of the detection result.
[0028] Enhance production efficiency: automated operation reduces the time of manual adjustment, makes the detection process more quickly, improves the overall production efficiency; reduces the dependence on manual operation, reduces labor cost, especially in large batch production effect is more significant; automatic adjustment and positioning mechanism reduces human error, improves the accuracy in the detection process, ensures the reliability of the detection results. BRIEF DESCRIPTION OF DRAWINGS
[0029] Figure 1 Structure diagram of the utility model Figure 1 ;
[0030] Figure 2 Structure diagram of the utility model Figure 2 ;
[0031] Figure 3a Structure diagram of the utility module of the utility model XYR is shown;
[0032] Figure 3b Structure diagram of Y axis assembly one in the utility module XYR is shown;
[0033] Figure 3c Sectional view of Y axis assembly one is shown;
[0034] Figure 4 The installation diagram of the width adjusting mechanism, PCB board thickness adjusting mechanism, PCB board lifting assembly, PCB board positioning assembly, PCB board running mechanism one and PCB board clamping mechanism, PCB board running mechanism two and PCB board fixed edge assembly of the utility model is shown;
[0035] Figure 5 Structure diagram of the utility model PCB board thickness adjusting mechanism and PCB board lifting assembly is shown;
[0036] Figure 6 Structure diagram of the utility model PCB board running mechanism one and PCB board clamping mechanism is shown Figure 1 ;
[0037] Figure 7 Structure diagram of the utility model PCB board running mechanism one and PCB board clamping mechanism is shown Figure 2 . DETAILED DESCRIPTION
[0038] The embodiments of the utility model are described in detail below, the examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary, and are intended to explain the utility model, and cannot be understood as limiting the utility model.
[0039] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like is the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.
[0040] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "multiple" is two or more, unless otherwise specifically limited.
[0041] In the utility model, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0042] In the utility model, unless otherwise specifically defined and limited, the "upper" or "lower" of the first feature in the second feature can include the direct contact of the first and second features, or the indirect contact of the first and second features through another feature between them. Moreover, the "upper", "upper" and "upper" of the first feature in the second feature include the vertical and inclined upward of the first feature above the second feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature. The "below", "below" and "below" of the first feature in the second feature include the vertical and inclined downward of the first feature below the second feature, or only indicate that the horizontal height of the first feature is less than that of the second feature.
[0043] Referring to Figures 1 to 7 The utility model provides a kind of automatic positioning detection device for adapting to multiple kinds of PCB, comprising:
[0044] The Z-axis drive module 901, the XYR moving module 902 and the XYR clamping and fixing assembly 903 arranged at the output end of the Z-axis drive module 901, and the XYR shaft moving platform 20 arranged on the XYR moving module 902 and the XYR clamping and fixing assembly 903, the PCB board width adjusting mechanism 904 and the PCB board thickness adjusting mechanism 905 installed on the XYR shaft moving platform 20, the PCB board lifting assembly 906 arranged at the output end of the PCB board thickness adjusting mechanism 905, the PCB board positioning assembly 909 arranged on the PCB board lifting assembly 906, the PCB board running mechanism one 907 and the PCB board clamping mechanism 908 arranged at the output end of the PCB board width adjusting mechanism 904, and the PCB board running mechanism two 910 and the PCB board fixed edge assembly 911 arranged on the XYR shaft moving platform 20 and opposite to the PCB board running mechanism one 907 and the PCB board clamping mechanism 908.
[0045] Further, the Z-axis drive module 901 comprises a Z-axis motor, a Z-axis screw arranged at the output end of the Z-axis motor, a jacking seat 901a arranged on the Z-axis screw, a fixed plate arranged at the top of the Z-axis screw, a guide shaft 901b arranged at one end of the fixed plate and penetrating through the jacking seat, wherein the Z-axis drive module 901 can also be replaced by a Z-axis linear module; in this embodiment, when the Z-axis drive module 901 works, the Z-axis motor is driven to drive the Z-axis screw to move, so as to drive the jacking seat 901a to move along the Z-axis, thereby driving the XYR moving module 902 and the XYR clamping and fixing assembly 903 installed on the jacking seat 901a to move; and the precise positioning of the PCB board in the vertical direction is realized.
[0046] Referring to Figures 3a to 3c Further, the XYR moving module 902 and the XYR clamping and fixing assembly 903 are installed on the jacking seat;
[0047] The XYR moving module 902 comprises an X-axis drive module 200, an X-axis assembly 45 arranged at the output end of the X-axis drive module 200, a Y-axis drive module one 300 arranged at the lower side of the X-axis drive module 200, a Y-axis assembly one 42 arranged at the output end of the Y-axis drive module one 300, a Y-axis drive module two 400 arranged beside the X-axis drive module 200, a Y-axis assembly two 48 arranged at the output end of the Y-axis drive module two 400, and a follow-up assembly 411 arranged at the lower side of the Y-axis drive module two 400;
[0048] The four ends of the XYR shaft moving platform 20 correspond to the X-axis assembly 45, the Y-axis assembly one 42, the Y-axis assembly two 48 and the follow-up assembly 411;
[0049] The Y-axis assembly one 42 comprises a Y-axis sliding assembly one 22, an R-rotation bearing shaft assembly one arranged on the Y-axis sliding assembly one 22, and an X-axis sliding assembly one 33 arranged on the R-rotation bearing shaft assembly one; wherein the Y-axis sliding assembly one 22 and the X-axis sliding assembly one 33 are both composed of a sliding rail and a sliding block.
[0050] The arrangement of the R-rotation bearing shaft assembly one and the X-axis sliding assembly one 33 enables the Y-axis assembly one 42 to rotate around the R-axis and move along the X-axis while moving along the Y-axis, thus increasing the freedom of movement of the device.
[0051] The Y-axis driving module one 300 comprises a Y-axis motor one 44, a Y-axis lead screw one 43 arranged at the output end of the Y-axis motor one 44, and a Y-axis lead screw nut one arranged on the Y-axis lead screw one 43.
[0052] The R-rotation bearing assembly one is arranged on the Y-axis lead screw nut one.
[0053] The R-rotation bearing shaft assembly one comprises a mounting seat one 444 and an R-rotation bearing shaft one 40 arranged in the mounting seat one 444; the mounting seat one 444 is mounted on the Y-axis lead screw nut one and is in sliding connection with the Y-axis sliding assembly one 222.
[0054] The Y-axis assembly two 48 comprises a Y-axis sliding assembly two, an R-rotation bearing shaft assembly two arranged on the Y-axis sliding assembly two, and an X-axis sliding assembly two arranged on the R-rotation bearing shaft assembly two; wherein the Y-axis sliding assembly two and the X-axis sliding assembly two are both composed of a sliding rail and a sliding block.
[0055] The combination of the R-rotation bearing shaft assembly two and the X-axis sliding assembly two enables the Y-axis assembly two 48 to not only move along the Y-axis but also rotate around the R-axis and move along the X-axis, thus increasing the freedom of movement of the device.
[0056] The Y-axis driving module two 400 comprises a Y-axis motor two 410, a Y-axis lead screw two 49 arranged at the output end of the Y-axis motor two 410, and a Y-axis lead screw nut two arranged on the Y-axis lead screw two 49.
[0057] The R-rotation bearing assembly two is arranged on the Y-axis lead screw nut two.
[0058] The R-rotation bearing shaft assembly two comprises a mounting seat two and an R-rotation bearing shaft two arranged in the mounting seat two; the mounting seat two is mounted on the Y-axis lead screw nut two and is in sliding connection with the Y-axis sliding assembly two.
[0059] The X-axis assembly 45 comprises an X-axis sliding assembly three, an R-rotation bearing shaft assembly three arranged on the X-axis sliding assembly three, and a Y-axis sliding assembly three arranged on the R-rotation bearing shaft assembly three; wherein the Y-axis sliding assembly three and the X-axis sliding assembly three are both composed of a sliding rail and a sliding block.
[0060] The combination of the R-rotation bearing shaft assembly three and the Y-axis sliding assembly three enables the X-axis assembly 45 to not only move along the X-axis, but also rotate around the R-axis and move along the Y-axis, thereby increasing the freedom of movement of the device.
[0061] The X-axis driving module 200 comprises an X-axis motor 47, an X-axis screw rod 46 arranged at the output end of the X-axis motor 47, and an X-axis screw rod nut arranged on the X-axis screw rod 46; the R-rotation bearing assembly three is arranged on the X-axis screw rod nut;
[0062] The R-rotation bearing shaft assembly three comprises a mounting seat three and an R-rotation bearing shaft three arranged in the mounting seat three; the mounting seat three is mounted on the X-axis screw rod nut and is in sliding connection with the X-axis sliding assembly three;
[0063] The follow-up assembly 411 comprises an X-axis sliding assembly four, an R-rotation bearing shaft assembly four arranged on the X-axis sliding assembly four, and a Y-axis sliding assembly four arranged on the R-rotation bearing shaft assembly four; the Y-axis sliding assembly four and the X-axis sliding assembly four are both composed of a sliding rail and a sliding block;
[0064] In the embodiment, when the Y-axis driving module one 300 is working, the Y-axis motor one 44 drives the Y-axis screw rod one 43 to rotate, thereby driving the R-rotation bearing assembly one to slide along the Y-axis direction of the Y-axis sliding assembly one 222, and at the same time, the R-rotation bearing shaft rotates in the R direction when sliding, thereby driving the X-axis sliding assembly one 33 to rotate; the principle of the lower Y-axis driving module two 400 is the same as that of the Y-axis driving module one 300, and thus the applicant will not repeat the description here.
[0065] In the embodiment, the working principle of the X-axis driving module 200 is that the X-axis motor 47 works to drive the X-axis screw rod 46 to move, thereby driving the R-rotation bearing shaft assembly three to slide along the direction of the X-axis sliding assembly three, and at the same time, the R-rotation bearing shaft three rotates in the R direction when sliding, thereby driving the Y-axis sliding assembly three to rotate; in cooperation with the Y-axis driving module one 300, the Y-axis driving module two 400, and the follow-up assembly 411, the XYR-axis moving platform 20 arranged on the X-axis sliding assembly one 33, the X-axis sliding assembly two, the Y-axis sliding assembly three, and the Y-axis sliding assembly four can move in the XYR-axis direction, thereby enabling the components and the PCB board mounted on the XYR-axis moving platform 20 to move to the desired position.
[0066] Further, the XYR clamping and fixing assembly 903 comprises a gas cylinder, a platform fixing rod arranged at the output end of the gas cylinder; the end of the platform fixing rod is installed on the XYR shaft moving platform; when the XYR clamping and fixing assembly works, the gas cylinder drives the platform fixing rod, so that the XYR shaft moving platform is clamped and pressed down, the position of the XYR moving module 902 is locked, and the PCB board is accurately positioned to the predetermined position.
[0067] With reference to Figure 4 Further, the PCB board width adjusting mechanism 904 comprises a PCB board width adjusting motor 904a, a synchronous wheel arranged at the output end of the PCB board width adjusting motor 904a, two driven wheel assemblies arranged on both sides of the synchronous wheel, a lead screw 904b installed on each driven wheel assembly, and a moving plate arranged on the lead screw 904b; the moving plate is installed with the PCB board running mechanism one 907 and the PCB board clamping mechanism 908; the driven wheel assembly is composed of a driven wheel and a belt; in this embodiment, the working principle of the PCB board width adjusting mechanism 904 is as follows: the PCB board width adjusting motor 904a drives the lead screw 904b to move, so as to drive the moving plate installed on the lead screw to move, so as to drive the PCB board running mechanism one 907 and the PCB board clamping mechanism 908 to move axially along the lead screw 904b, so as to limit the width of the PCB board clamped by the PCB board clamping mechanism 908; by adjusting the rotating direction and speed of the PCB board width adjusting motor 904a, the rotating amount of the lead screw 904b can be accurately controlled, and then the moving distance of the moving plate is controlled; the movement of the moving plate limits the width of the PCB board clamped by the PCB board clamping mechanism 908, so as to ensure the stability of the PCB board in the detection process and adapt to PCB boards with different widths; by accurately controlling the clamping width of the PCB board, the risk of PCB board damage caused by improper operation is reduced, and the safety of operation is improved.
[0068] With reference to Figure 5Further, the PCB thickness adjusting mechanism 905 is opposite to the PCB width adjusting mechanism 904, the PCB thickness adjusting mechanism 905 comprises a PCB thickness adjusting cylinder 905a, a sliding assembly, a bottom plate seat arranged on the sliding assembly, a push block 905b arranged on both sides of the bottom plate seat; the output end of the PCB thickness adjusting cylinder 905a is connected with the bottom plate seat, and the top side of the push block 905b is designed as an inclined slope; the sliding assembly is composed of a sliding rail and a sliding block; when the PCB thickness adjusting mechanism 905 works, the PCB thickness adjusting cylinder 905a is driven to drive the push block 905b to move, so that the PCB lifting assembly 906 is lifted (and the roller 906b slides along the inclined slope of the push block 905b), the design of the inclined slope of the push block 905b enables the roller 906b to smoothly slide along the inclined slope, realizing smooth lifting or lowering of the PCB, adapting to PCBs of different thicknesses, and improving the versatility and flexibility of the equipment.
[0069] Further, the PCB lifting assembly 906 comprises a lifting plate, a lifting fixed block 906a arranged at the bottom of the lifting plate, a roller 906b arranged on both sides of the lifting fixed block 906a, and an optical axis assembly 906c arranged at four ends of the lifting plate; the roller 906b is arranged on the inclined slope of the push block 905b, and the optical axis assembly 906c comprises an optical axis, a guide sleeve sleeved on the optical axis, and a guide sleeve fixing column for fixing the guide sleeve; one end of the optical axis is arranged at the bottom of the lifting plate, and the other end penetrates through the XYR shaft moving platform 20; the guide sleeve fixing column is arranged on the XYR shaft moving platform 20; in this embodiment; when the PCB thickness adjusting cylinder 905a drives the push block 905b to move, the roller 906b slides along the inclined slope of the push block 905b, thereby driving the lifting plate to rise or fall; the optical axis assembly 906c ensures the stability and accuracy of the lifting plate during movement, the optical axis penetrates through the XYR shaft moving platform 20, and the guide sleeve fixing column is arranged on the platform to fix the guide sleeve; by adjusting the PCB thickness adjusting cylinder 905a, the accurate lifting of the lifting plate can be realized to adapt to PCBs of different thicknesses, the design of the roller 906b enables the lifting plate to be stable during lifting and falling, reduces vibration and impact, protects the PCB from damage, the optical axis assembly 906c provides stable support and guidance, ensures that the lifting plate will not deviate during lifting and falling, and maintains accurate positioning; this assembly can adapt to PCBs of different thicknesses, and improves the versatility and flexibility of the equipment.
[0070] Further, the PCB positioning assembly 909 comprises a positioning fixing seat, a positioning shaft fixing plate, a telescopic air cylinder 909a arranged at one end of the positioning shaft fixing plate, an optical shaft 909b arranged at the other end of the positioning shaft fixing plate, and a screw rod; when the telescopic air cylinder 909a is extended, the PCB is blocked, and when the telescopic air cylinder 909a is retracted, the PCB is allowed to pass, and meanwhile, the PCB can be blocked by pushing the front and rear optical shafts 909b to adjust to a suitable position, so as to limit the position of the PCB; the fine adjustment function of the optical shaft 909b and the screw rod provides additional flexibility to adapt to PCBs of different sizes and shapes; the positioning fixing seat is arranged on the jacking plate, and the other end of the optical shaft 906 and the screw rod penetrates through the positioning fixing seat.
[0071] Referring to Figure 6 Further, the PCB running mechanism one 907 comprises a guide rail 907b, a plurality of belt pulleys 907e mounted on the guide rail 907b, a servo motor 907a arranged at one end of the guide rail 907b, a belt 907f arranged on the output end of the servo motor 907a and the belt pulleys, a spring extrusion piece 907c arranged on the back of the guide rail 907a, a clamping plate sliding guide plate arranged on the back of the guide rail 907b, and a sliding member one 907d mounted on the clamping plate sliding guide plate; the sliding rail member one 907d is composed of a sliding rail and a sliding block; the PCB clamping mechanism 908 comprises a movable clamping plate 908a connected with the spring extrusion piece 907c; the movable clamping plate 908a is arranged on the top of the guide rail 907b and is in sliding connection with the sliding member one 907d.
[0072] The PCB running mechanism two 910 comprises a fixed edge guide rail, a plurality of belt pulleys two mounted on the fixed edge guide rail, a servo motor two arranged at one end of the fixed edge guide rail, and a belt two arranged on the output end of the servo motor two and the belt pulleys two; the PCB fixed edge assembly 911 comprises a fixed clamping plate; the fixed clamping plate is arranged on the fixed edge guide rail.
[0073] In this embodiment, the PCB running mechanism one 907 is used to pull the PCB, the PCB is pulled by the belt 907f, the servo motor 907a drives the belt 907f, the belt 907f pulls the PCB to move along the guide rail 907b, when the PCB is clamped, one side of the PCB is fixed by the PCB fixed edge assembly 911 of the PCB running mechanism two 910, and the other side is run by the PCB running mechanism one 907 to the movable clamping plate 908a; the movable clamping plate 908a can slide on the sliding member one 907d; due to the design of the spring extrusion piece 907c, the spring extrusion piece 907c limits the position of the movable clamping plate 908a on the sliding member one 907d, so that the spring extrusion piece 907c and the movable clamping plate 908a compress the other side of the PCB, thereby achieving clamping and fixing of the PCB.
[0074] Further, the operator inputs the size and thickness parameters of the PCB to be detected through the input system;
[0075] The PCB thickness adjusting mechanism 905 works as follows:
[0076] The system automatically adjusts the position of the PCB thickness adjusting cylinder 905a according to the input parameters, and through the slope design of the push block 905b, the PCB lifting assembly 906 is lifted to adapt to PCBs of different thicknesses.
[0077] The PCB lifting assembly 906 responds as follows:
[0078] The rollers 906b slide along the slope of the push block 905b, driving the lifting plate and the lifting fixed block 906a to rise or fall, achieving precise lifting of the PCB.
[0079] The PCB positioning assembly 909 adjusts as follows:
[0080] The telescopic cylinder 909a extends or retracts to block or release the PCB. At the same time, through the fine adjustment of the optical axis 909b and the screw rod, the positioning assembly 909 can accurately limit the position of the PCB.
[0081] The PCB width adjusting mechanism 904 adjusts as follows:
[0082] The system adjusts the position of the PCB running mechanism 907 and the PCB clamping mechanism 908 according to the width parameters of the PCB, through the PCB width adjusting motor 905a driving the lead screw 905b to move the moving plate, to adapt to PCBs of different widths.
[0083] The PCB running mechanism 907 pulls the PCB as follows:
[0084] The servo motor 907a drives the belt 907f to pull the PCB, and the PCB fixed side assembly 911 fixes one side of the PCB.
[0085] The PCB clamping mechanism 908 clamps the PCB as follows:
[0086] When the PCB moves to the predetermined position, the spring pressing piece 907c compresses the movable clamping plate 908a, achieving clamping of the PCB.
[0087] Through the XYR moving module 902 drive, the PCB is corrected in multiple degrees of freedom, and then through the XYR clamping and fixing assembly 903, the position of the multiple XYR moving modules 902 and the XYR moving platform 20 is locked, achieving accurate positioning of the PCB to the predetermined position, and finally through the Z-axis drive module 901 moving up and down in the Z direction, the PCB is lifted to the predetermined height of the probe.
[0088] The above merely describes preferred embodiments of the present application, and does not limit the patent scope of the present application, and any equivalent structural transformation made by using the content of the present application specification and drawings, or direct / indirect application in other related technical fields are included in the patent protection scope of the present application.
Claims
1. An automatic positioning detection device for multiple types of PCB boards, characterized in that, The application relates to a PCB board width and thickness adjusting device. The Z-axis driving module, the XYR moving module and the XYR clamping and fixing assembly arranged at the output end of the Z-axis driving module, the XYR shaft moving platform arranged on the XYR moving module and the XYR clamping and fixing assembly, the PCB board width adjusting mechanism arranged on the XYR shaft moving platform, the PCB board thickness adjusting mechanism, the PCB board lifting assembly arranged at the output end of the PCB board thickness adjusting mechanism, the PCB board positioning assembly arranged on the PCB board lifting assembly, the PCB board running mechanism I and the PCB board clamping mechanism arranged at the output end of the PCB board width adjusting mechanism, the PCB board running mechanism II and the PCB board fixed edge assembly arranged on the XYR shaft moving platform and opposite to the PCB board running mechanism I and the PCB board clamping mechanism.
2. The automatic positioning detection device for adaptive multi-class PCB boards according to claim 1, characterized in that, The Z-axis driving module comprises a Z-axis motor, a Z-axis screw arranged at the output end of the Z-axis motor, a jacking seat arranged on the Z-axis screw, a fixed plate arranged at the top of the Z-axis screw, a guide shaft arranged at one end of the fixed plate and penetrating through the jacking seat.
3. The automatic positioning and detecting device for multi-type PCBs according to claim 2, wherein, The XYR moving module and the XYR clamping and fixing assembly are arranged on the jacking seat. The XYR moving module comprises an X-axis driving module, an X-axis assembly arranged at the output end of the X-axis driving module, a Y-axis driving module I arranged on the lower side of the X-axis driving module, a Y-axis assembly I arranged at the output end of the Y-axis driving module I, a Y-axis driving module II arranged on the side of the X-axis driving module, a Y-axis assembly II arranged at the output end of the Y-axis driving module II, and a follow-up assembly arranged on the lower side of the Y-axis driving module II. The four ends of the XYR shaft moving platform are correspondingly arranged on the X-axis assembly, the Y-axis assembly I, the Y-axis assembly II and the follow-up assembly. The Y-axis assembly I comprises a Y-axis sliding assembly I, an R rotary bearing shaft assembly I arranged on the Y-axis sliding assembly I, and an X-axis sliding assembly I arranged on the R rotary bearing shaft assembly I. The Y-axis assembly II comprises a Y-axis sliding assembly II, an R rotary bearing shaft assembly II arranged on the Y-axis sliding assembly II, and an X-axis sliding assembly II arranged on the R rotary bearing shaft assembly II. The X-axis assembly comprises an X-axis sliding assembly III, an R rotary bearing shaft assembly III arranged on the X-axis sliding assembly III, and a Y-axis sliding assembly III arranged on the R rotary bearing shaft assembly III. The follow-up assembly comprises an X-axis sliding assembly IV, an R rotary bearing shaft assembly IV arranged on the X-axis sliding assembly IV, and a Y-axis sliding assembly IV arranged on the R rotary bearing shaft assembly IV.
4. The automatic positioning and detecting device for adaptive multi-class PCB boards according to claim 1, characterized in that, The XYR clamping and fixing assembly comprises a cylinder and a platform fixing rod arranged at the output end of the cylinder; the end of the platform fixing rod is arranged on the XYR shaft moving platform.
5. The automatic positioning and detecting device for adaptive multi-class PCB boards according to claim 4, characterized in that, The PCB board width adjusting mechanism comprises a PCB board width adjusting motor, a synchronous wheel arranged at the output end of the PCB board width adjusting motor, two driven wheel assemblies arranged on the two sides of the synchronous wheel, a screw rod arranged on each driven wheel assembly, and a moving plate arranged on the screw rod; the PCB board running mechanism I and the PCB board clamping mechanism are arranged on the moving plate.
6. The automatic positioning and detecting device for adaptive multi-class PCB boards according to claim 1, wherein, The PCB thickness adjusting mechanism comprises a PCB thickness adjusting cylinder, a sliding assembly, a bottom plate seat arranged on the sliding assembly, and a push block arranged on both sides of the bottom plate seat; the output end of the PCB thickness adjusting cylinder is connected with the bottom plate seat, and the top side of the push block is provided with a slope.
7. The automatic positioning and detection device for adaptive multi-class PCB boards according to claim 6, characterized in that, The PCB lifting assembly comprises a lifting plate, a lifting fixed block arranged at the bottom of the lifting plate, a roller arranged on both sides of the lifting fixed block, and an optical axis assembly arranged at four ends of the lifting plate. The roller is arranged on the slope of the push block, the optical axis assembly comprises an optical axis, a guide sleeve sleeved on the optical axis, and a guide sleeve fixing column for fixing the guide sleeve; one end of the optical axis is arranged at the bottom of the lifting plate, and the other end penetrates through an XYR-axis moving platform; the guide sleeve fixing column is arranged on the XYR-axis moving platform.
8. The automatic positioning detection device for adaptive multi-class PCB boards according to claim 7, characterized in that, The PCB positioning assembly comprises a positioning fixed seat, a positioning shaft fixed plate, an extension cylinder arranged at one end of the positioning shaft fixed plate, an optical axis and a screw rod arranged at the other end of the positioning shaft fixed plate; the extension cylinder blocks the PCB when it is extended, and allows the PCB to pass when it is retracted; the positioning fixed seat is arranged on the lifting plate, and the other end of the optical axis and the screw rod penetrates through the positioning fixed seat.
9. The automatic positioning and detecting device for adaptive multi-class PCB boards according to claim 5, wherein, The PCB running mechanism one comprises a guide rail, a plurality of belt pulleys arranged on the guide rail, a servo motor arranged at one end of the guide rail, a belt arranged on the output end of the servo motor and the belt pulleys, a spring extrusion piece arranged on the back of the guide rail, a clamping plate sliding guide rail plate arranged on the back of the guide rail, and a sliding member one arranged on the clamping plate sliding guide rail plate. The PCB clamping mechanism comprises a movable clamping plate; the movable clamping plate is arranged on the top of the guide rail and is in sliding connection with the sliding member one; the movable clamping plate is connected with the spring extrusion piece.
10. The automatic positioning and detecting device for adaptive multi-class PCB boards according to claim 1, wherein, The PCB running mechanism two comprises a fixed edge guide rail, a plurality of belt pulleys two arranged on the fixed edge guide rail, a servo motor two arranged at one end of the fixed edge guide rail, and a belt two arranged on the output end of the servo motor two and the belt pulleys two. The PCB fixed edge assembly comprises a fixed clamping plate; the fixed edge clamping plate is arranged on the fixed edge guide rail.