AOI (Automatic Optic Inspection) detection material supplementing equipment after LED full-color module surface mounting

Abstract

The utility model belongs to the technical field of AOI (automatic optical inspection) equipment, and particularly relates to AOI (automatic optical inspection) equipment after LED (light-emitting diode) full-color module surface mounting, which comprises a machine table, and a conveying assembly, an XY moving assembly, a material taking calibration camera assembly, a feeding assembly and an NG (natural gas) product collecting barrel which are arranged on the machine table, and the material taking calibration camera assembly is fixed on the XY moving assembly through a mounting plate; the material taking calibration camera assembly comprises a whole-plate camera detection assembly, a calibration assembly, a tin dispensing assembly and a suction nozzle assembly, the tin dispensing assembly moves up and down through a first lifting assembly, and the suction nozzle assembly moves up and down through a second lifting assembly; the XY moving assembly drives the material taking calibration camera assembly to reciprocate above the conveying assembly and above the feeding assembly. According to the invention, appearance detection of the product can be realized, tin supplementing and material supplementing can be carried out on the abnormal product, and the yield and the efficiency of a production line are improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to AOI detection equipment technical field, concretely is a kind of LED full-color module patching post-AOI detection material supplementing equipment. BACKGROUND

[0002] With people's product to the fineness, AOI detection equipment has become a kind of equipment needed in electronic industry frequently, in the face of increasing demand, the existing LED module AOI detection equipment in market can only detect appearance mostly, single function, after detection, manual operation is needed to maintain and repair product, if artificial inspection is NG product, then defective LED lamp bead on LED full-color module is removed by hand, after removal, normal LED lamp bead is taken again, and it is welded in original position using soldering, since LED lamp bead volume is small, processing precision and process requirement are higher, in the process of mounting, LED lamp bead if angle deviation occurs, it will also lead to that LED lamp bead after welding cannot be used normally.Manual maintenance seriously affects the production efficiency of production line, cannot achieve full-automatic maintenance, reduces artificial cost.

[0003] Therefore, it is urgent to design a kind of equipment capable of detecting and supplementing material after LED full-color module patching. CONTENT OF UTILITY MODEL

[0004] To solve the problems in the above background art, the utility model provides a kind of LED full-color module patching post-AOI detection material supplementing equipment, can realize the full-automatic inspection of LED module, and remove and repair defective product.

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

[0006] A kind of LED full-color module patching post-AOI detection material supplementing equipment, including machine table and the conveying assembly, XY movement component, material taking calibration camera component, feeding assembly and NG product collection cylinder being set on machine table, wherein:

[0007] Material taking calibration camera component is fixed on XY movement component by mounting plate, material taking calibration camera component includes whole board camera detection component, calibration component, point tin component and suction nozzle component, point tin component moves up and down by first lifting assembly, suction nozzle component moves up and down by second lifting assembly;

[0008] XY movement component drives material taking calibration camera component to reciprocate above conveying assembly and above feeding assembly.

[0009] Further, whole board camera detection component includes global detection camera connecting plate fixedly connected with mounting plate, global detection camera is set on global detection camera connecting plate and whole board detection light source is located below global detection camera.

[0010] Further, the nozzle assembly comprises a refill nozzle and a refill rotary motor connected with the refill nozzle, and the refill nozzle and the refill rotary motor are connected to the lifting plate of the second lifting assembly.

[0011] Further, the tin filling assembly comprises a tin filling nozzle and a tin paste needle cylinder connected with the tin filling nozzle, and the tin filling nozzle and the tin paste needle cylinder are connected to the lifting plate of the first lifting assembly.

[0012] Further, the calibration assembly comprises a calibration camera fixed to the mounting plate and a calibration camera light source located below the calibration camera.

[0013] Further, the feeding assembly comprises a storage hopper, a feeding groove and a flexible vibration disc connected in sequence, a feeding straight shock is arranged below the feeding groove, a direction detection camera and a light source located below the direction detection camera are further arranged on one side of the flexible vibration disc, and an NG product collecting cylinder is arranged beside the flexible vibration disc.

[0014] Further, the conveying assembly is a belt line assembly, the belt line assembly comprises two parallel transport belt lines, an in-out material photoelectric switch is arranged at the feeding end of the transport belt line, a product in-place induction switch and a stop cylinder for preventing the product from moving forward are further arranged on the transport belt line.

[0015] Further, a jacking cylinder module for supporting the product is arranged between the two transport belt lines, and a positioning cylinder for clamping the product is further arranged outside the transport belt line.

[0016] Further, a jacking magnetic suction plate is arranged below the transport belt line, and the jacking cylinder module is arranged on the jacking magnetic suction plate in a magnetic suction mode.

[0017] Further, the track width adjusting assembly comprises screw nut assemblies respectively located at two ends of the transport direction of the transport belt line, the two screw nut assemblies are synchronously moved through a synchronous belt, and one of the screw nut assemblies is driven by a motor.

[0018] The screw nut assembly comprises a ball screw and a nut seat in transmission connection with the ball screw, and the nut seat is fixedly connected with one of the transport belt lines.

[0019] Compared with the prior art, the present application has the following beneficial effects:

[0020] (1) The utility model discloses an AOI detects the material supplement equipment including conveying assembly, XY movement subassembly, take material calibration camera subassembly, feeding assembly and NG product collection cylinder, and take material calibration camera subassembly includes whole board camera detection subassembly, calibration subassembly, point tin subassembly and suction nozzle subassembly, and point tin subassembly moves up and down through the first elevating assembly, and suction nozzle subassembly moves up and down through the second elevating assembly, when working, whole board camera detection subassembly is driven to the product whole board detection through XY movement subassembly, to the product corresponding position of the product that the calibration subassembly is switched to the positioning of the detection that exists the defect, after that, suction nozzle subassembly takes away defective product, and through point tin subassembly, after suction nozzle subassembly arranges defective product into NG product collection cylinder, suction nozzle subassembly moves to the feeding assembly and extracts normal product, and through vision, normal product is positioned and moves to the empty position and is pasted with the product of installation, realizes full -automatic inspection repair, and the production efficiency of production line is improved greatly, and the cost of manpower and material resources is reduced.

[0021] (2) The utility model discloses an AOI detects the material supplement equipment's whole board camera detection subassembly, calibration subassembly, point tin subassembly and suction nozzle subassembly are integrated on XY movement subassembly, and the material supplement suction nozzle and the tin supplement suction nozzle realize the lift respectively each other and do not interfere, can detect the product whole situation, if product is abnormal, can quickly remove defective product and carry out tin supplement, after that, quickly take material and attach, the whole process can be realized through XY movement subassembly, simple structure, and through calibration subassembly can prevent the position deviation in the material supplement process. ACCURACY

[0022] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, below will be to the drawing used in the embodiment or prior art description briefly introduced, obviously, the drawing in the following description only some embodiments of the utility model, for those skilled in the art, under the premise of not paying the creative labor, can also obtain other drawings according to these drawings.

[0023] Figure 1 It is the overhead structure schematic diagram of the utility model AOI detection material supplement equipment;

[0024] Figure 2 It is the three-dimensional structure schematic diagram of the utility model AOI detection material supplement equipment;

[0025] Figure 3 It is the XY movement subassembly structure schematic diagram of the utility model AOI detection material supplement equipment;

[0026] Figure 4 It is the take material calibration camera subassembly structure schematic diagram of the utility model AOI detection material supplement equipment;

[0027] Figure 5 It is the feeding assembly structure schematic diagram of the utility model AOI detection material supplement equipment.

[0028] Figure 6 It is the belt line assembly structure schematic view of the AOI detection material supplement equipment of the utility model;

[0029] Among them: 1- machine table, 2- conveying assembly, 21- transport belt line, 22- in and out material photoelectric switch, 23- product in position inductive switch, 24- stop cylinder, 25- jacking cylinder module, 26- positioning cylinder, 27- jacking magnetic suction plate, 3- XY movement assembly, 31- Y axis movement module, 32- X axis movement module, 33- Y axis linear guide rail, 34- X axis module fixed plate, 35- mounting plate, 4- material taking calibration camera assembly, 41- whole board camera detection assembly, 411- global detection camera connecting plate, 412- global detection camera, 413- whole board detection light source, 42- calibration assembly, 421- calibration camera, 422- calibration camera light source, 43- spot tin assembly, 431- tin suction nozzle, 432- tin paste needle cylinder, 433- material supplement air pipe, 434- tin Z axis movement motor, 44- suction nozzle assembly, 441- material supplement suction nozzle, 442- material supplement rotary motor, 443- suction nozzle Z axis movement motor, 5- feeding assembly, 51- storage hopper, 52- feeding groove, 53- flexible vibration disc, 54- feeding straight shock, 55- direction detection camera, 56- light source, 6- NG product collection cylinder, 7- track width adjusting assembly, 71- synchronous belt, 72- motor, 73- ball screw, 74- nut seat, 8- detection camera and light source, 9- LED full-color module. DETAILED DESCRIPTION

[0030] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the protection scope of the utility model.

[0031] The drawings in the utility model will be described below Figure 1 to the drawings in the utility model Figure 6 The utility model will be discussed in detail with specific embodiments.

[0032] For example Figures 1-6The utility model provides a kind of AOI detection material supplementing equipment of LED full-color module patching, for detecting and material supplementing to LED full-color module 9, therefore, the product conveyed by conveying assembly 2 in the present application is LED full-color module, and the product sucked by suction nozzle assembly 44 is LED particle.The AOI detection material supplementing equipment of the present application includes machine table 1 and conveying assembly 2, XY moving assembly 3, material taking calibration camera assembly 4, feeding assembly 5 and NG product collection cylinder 6 arranged on machine table 1, wherein:material taking calibration camera assembly 4 is fixed on XY moving assembly 3 by mounting plate 35, and material taking calibration camera assembly 4 can move in X-axis direction and Y-axis direction with XY moving assembly 3;material taking calibration camera assembly 4 includes whole board camera detection assembly 41, calibration assembly 42, point tin assembly 43 and suction nozzle assembly 44, point tin assembly 43 moves up and down by first lifting assembly, and suction nozzle assembly 44 moves up and down by second lifting assembly;XY moving assembly 3 drives material taking calibration camera assembly 4 to reciprocate above conveying assembly 2 and above feeding assembly 5, to realize material taking and material supplementing.When working, the product to be detected enters the detection area by conveying assembly 2, and then whole board camera detection assembly 41 is driven by XY moving assembly 3 to take a whole board photograph of the product for detection, and if the product is normal, it flows to the next process;if the product is detected to have defects, calibration assembly 42 is driven by XY moving assembly 3 to position the position of the defects on the product, and the coordinates are determined, then suction nozzle assembly 44 takes away the LED with defects on the product, and point tin assembly 43 is used to supplement tin paste to the vacant position, after suction nozzle assembly 44 discharges the defective LED particles into NG product collection cylinder 6, suction nozzle assembly 44 moves to feeding assembly 5 to suck normal LED particles, and after position calibration of normal products, it moves to the vacant position for mounting process, and after material supplementing, the product flows to the next process.The utility model realizes fully automatic inspection and repair, greatly improves the production efficiency of production line, and reduces manpower and material resources cost.It can be understood that conveying assembly 2 in the present application is used to convey the product to be detected, which can be a belt line assembly, a nut screw assembly, etc., but is not limited thereto, and all conveying assemblies capable of conveying products belong to the protection scope of the present application.

[0033] In some embodiments, referring to Figure 3, XY moving assembly 3 includes Y-axis moving module 31 and X-axis moving module 32, one end of X-axis moving module 32 is arranged on the moving piece of Y-axis moving module 31, the other end is slidably connected to Y-axis linear guide rail 33 through X-axis moving module fixing plate 34, Y-axis linear guide rail 33 is fixed on machine table 1, and taking calibration camera assembly 4 is fixed on the moving piece of X-axis moving module 32 through mounting plate 35, thereby realizing the movement of taking calibration camera assembly 4 in X-axis direction and Y-axis direction. Of course, the specific structure of the XY moving assembly 3 is not limited in the application, and all XY moving assemblies that can drive the taking calibration camera assembly 4 to move in the X-axis direction and the Y-axis direction are covered in the application.

[0034] Specifically, referring to Figure 4 , the whole board camera detection assembly 41 includes a global detection camera connecting plate 411 fixedly connected with the mounting plate 35, a global detection camera 412 arranged on the global detection camera connecting plate 411, and a whole board detection light source 413 located below the global detection camera 412. The light of the whole board detection light source 413 can radiate to the whole product, ensuring the detection range of the global detection camera 412. Through the global detection camera 412, comprehensive detection of the appearance of the product can be realized, and the approximate position of the product anomaly can be preliminarily calibrated, providing a position range for subsequent accurate position calibration.

[0035] Specifically, referring to Figure 4 , the suction nozzle assembly 44 includes a replenishment suction nozzle 441 and a replenishment rotary motor 442 connected with the replenishment suction nozzle 441, and the replenishment suction nozzle 441 and the replenishment rotary motor 442 are connected to the lifting plate of the second lifting assembly. By arranging the replenishment rotary motor 442, the LED particles adsorbed by the replenishment suction nozzle 441 can be rotated, and the replenishment position can be determined, so that the LED particles can be accurately attached to the vacant position. The second lifting assembly is driven by suction nozzle Z-axis moving motor 443, and the lifting plate of the second lifting assembly is arranged to slide up and down on the guide rail, ensuring the stability of the upward and downward movement of the replenishment suction nozzle 441.

[0036] Specifically, referring to Figure 4The spot tin assembly 43 includes a tin supplement suction nozzle 431 and a tin paste needle cylinder 432 connected with the tin supplement suction nozzle 431, and the tin supplement suction nozzle 431 and the tin paste needle cylinder 432 are connected to the lifting plate of the first lifting assembly. The tin paste needle cylinder 432 is further connected with a supplement air pipe 433, and the supplement air pipe 433 is controlled by an electromagnetic valve to squeeze the tin paste from the tin paste needle cylinder 432 into the tin supplement suction nozzle 431 and spot to the defective position. The first lifting assembly is driven by a tin supplement Z-axis moving motor 434, and the lifting plate of the first lifting assembly is also arranged to slide up and down on the guide rail to ensure the stability of the tin supplement suction nozzle 431 moving up and down. Further, the calibration assembly 42 includes a calibration camera 421 fixed on the mounting plate 35 and a calibration camera light source 422 located below the calibration camera 421, and the calibration camera 421 is used to determine the specific position coordinates of the abnormal position.

[0037] The working process of the material taking calibration camera assembly 4 is as follows: when the material taking calibration camera assembly 4 receives a detection signal, the global detection camera 412 and the whole board detection light source 413 move through the XY moving assembly 3 to take a photo of the product for detection. The detection result has two kinds, OK and NG. When the OK signal is detected, the product normally flows to the next process; when the NG signal is detected, the product is positioned on the conveying assembly 2, the global detection camera 412 provides the approximate position of the abnormal product, and then the calibration camera 421 determines the specific position coordinates of the abnormal position. Then, the supplement suction nozzle 441 is driven by the suction nozzle Z-axis moving motor 443 to suck the abnormal LED particles, and then the tin supplement suction nozzle 431 is driven by the tin supplement Z-axis moving motor 434 to supplement tin to the vacancy position (tin paste needs to be filled in the tin paste needle cylinder 432 before tin supplement). The tin paste is discharged from the tin paste needle cylinder 432 to the tin supplement suction nozzle 431 by the electromagnetic control valve, and then is spotted to the vacancy position of the product. After the tin paste is supplemented, the NG product collection cylinder 6 where the supplement suction nozzle 441 moves to discharges the defective LED particles, and then moves and sucks the normal LED particles on the flexible vibration disc 53 and is positioned by the direction detection camera 55. After the supplement suction nozzle 441 is calibrated to the position by the supplement rotating motor 442, the supplement suction nozzle 441 moves to the corresponding position for material supplement.

[0038] Specifically, referring to Figure 5The feeding assembly 5 comprises a storage hopper 51, a feeding groove 52 and a flexible vibration disc 53 connected in sequence, a feeding straight vibration plate 54 is arranged below the feeding groove 52; a direction detection camera 55 and a light source 56 located below the direction detection camera 55 are further arranged on one side of the flexible vibration disc 53; an NG product collecting cylinder 6 is arranged beside the flexible vibration disc 53. LED particles are poured into the storage hopper 51 in advance, the feeding straight vibration plate 54 is vibrated forward and backward, the LED particles are sent into the flexible vibration disc 53 through the feeding groove 52, the LED particles are dispersed by the vibration of the flexible vibration disc 53, and the visual position detection of the LED particles on the flexible vibration disc 53 is performed through the detection camera and the light source 8, and the data is uploaded to the control system; the direction detection camera 55 and the light source 56 mainly function to detect and confirm whether the LED particles are normal after the feeding suction nozzle 441 grabs the LED particles on the flexible vibration disc 53, and the LED particles can be transported to the feeding position if normal.

[0039] Specifically, referring to Figure 6 The conveying assembly 2 in some embodiments is a belt line assembly, the belt line assembly comprises two parallel arranged conveying belt lines 21, the conveying belt lines 21 are provided with an in-out light electric switch 22 at the feeding end, the conveying belt lines 21 are further provided with a product in-place inductive switch 23 and a stop cylinder 24 for stopping the product from moving forward, a jacking cylinder module 25 for supporting the product is arranged between the two conveying belt lines 21, and the outer side of the conveying belt lines 21 is further provided with a positioning cylinder 26 for clamping the product. The product is transported from the conveying belt lines 21 to the position of the stop cylinder 24, when the product in-place inductive switch 23 detects a signal, the product stops moving, the XY moving assembly 3 drives the global detection camera 412 to start detection, when the product is detected to be OK, the product flows out, and the in-out light electric switch 22 confirms the product flow-out state; when the global detection camera 412 detects that feeding is needed, the positioning cylinder 26 clamps the product in the width direction, the jacking cylinder module 25 lifts to support the product, the positioning of the product is completed, and the stability and precision of feeding are ensured. It should be noted that the product of the present application can flow into and enter the detection area from one end of the belt line assembly, or can flow into and enter the detection area from the other end of the belt line assembly.

[0040] In some embodiments, a jacking magnetic suction plate 27 is arranged below the conveying belt lines 21, and the jacking cylinder module 25 is arranged on the jacking magnetic suction plate 27 in a magnetic suction manner, so that the jacking cylinder module 25 can freely move on the jacking magnetic suction plate 27 to meet the compatibility of different models of products.

[0041] In some embodiments, referring to Figure 6Further comprising a track width adjusting assembly 7, the track width adjusting assembly 7 comprises screw nut assemblies respectively located at two ends of the conveying belt lines 21 in the conveying direction, the two screw nut assemblies are synchronously moved through a synchronous belt 71, and one of the screw nut assemblies is driven by a motor 72; the screw nut assembly comprises a ball screw 73 and a nut seat 74 in transmission connection with the ball screw 73, the nut seat 74 is fixedly connected with one of the conveying belt lines 21. When it is needed to adjust the width between the two conveying belt lines 21, the motor 72 is started, the motor 72 drives the ball screw 73 to rotate, and meanwhile, the other ball screw 73 is synchronously rotated through the synchronous belt 71, the ball screw 73 drives the nut seat 74 to move horizontally, and further, the device of the application can be compatible with products of different widths.

[0042] The LED full-color module patching post-AOI detection material supplementing equipment can not only realize appearance detection of products, but also can supplement tin and material for abnormal products, thereby improving yield and efficiency of a production line.

[0043] The above has further described the utility model with the help of specific embodiments, but it should be understood that the specific description herein should not be understood as limiting the essence and scope of the utility model, and various modifications made by those skilled in the art after reading the specification to the above embodiments all belong to the scope protected by the utility model.

Claims

1. An LED full-color module patch post-AOI detection material supplementing equipment, characterized in that, The machine table and the conveying assembly, the XY moving assembly, the material taking calibration camera assembly, the feeding assembly and the NG product collecting cylinder arranged on the machine table are included, wherein: The material taking calibration camera assembly is fixed on the XY moving assembly through the mounting plate, and the material taking calibration camera assembly includes the whole board camera detection assembly, the calibration assembly, the point tin assembly and the suction nozzle assembly, the point tin assembly moves up and down through the first lifting assembly, and the suction nozzle assembly moves up and down through the second lifting assembly; The XY moving assembly drives the material taking calibration camera assembly to reciprocate above the conveying assembly and above the feeding assembly. 2.The LED full-color module patch post-AOI detection material supplementing device according to claim 1, characterized in that, The whole board camera detection assembly includes the global detection camera connecting plate fixedly connected with the mounting plate, the global detection camera arranged on the global detection camera connecting plate and the whole board detection light source located below the global detection camera. 3.The LED full-color module patch post-AOI detection material supplementing equipment according to claim 1, characterized in that, The suction nozzle assembly includes the feeding suction nozzle and the feeding rotary motor connected with the feeding suction nozzle, and the feeding suction nozzle and the feeding rotary motor are connected on the lifting plate of the second lifting assembly.

4. The LED full-color module patch post-AOI detection material supplementing equipment according to claim 1, characterized in that, The point tin assembly includes the tin paste suction nozzle and the tin paste needle cylinder connected with the tin paste suction nozzle, and the tin paste suction nozzle and the tin paste needle cylinder are connected on the lifting plate of the first lifting assembly. 5.The LED full-color module patch post-AOI detection material supplementing equipment according to claim 1, characterized in that, The calibration assembly includes the calibration camera fixed on the mounting plate and the calibration camera light source located below the calibration camera. 6.The LED full-color module patch post-AOI detection material supplementing device of claim 1, wherein, The feeding assembly includes the storage hopper, the feeding groove and the flexible vibration disc connected in sequence, the feeding straight shock is arranged below the feeding groove, the direction detection camera and the light source located below the direction detection camera are further arranged on one side of the flexible vibration disc, and the NG product collecting cylinder is arranged beside the flexible vibration disc. 7.The LED full-color module patch post-AOI detection material supplementing device of claim 1, wherein, The conveying assembly is a belt line assembly, the belt line assembly includes two parallel arranged transport belt lines, the feed-in and feed-out photoelectric switch is arranged at the feed-in end of the transport belt line, the product in-place induction switch and the stop cylinder for preventing the product from moving forward are further arranged on the transport belt line. 8.The LED full-color module patch post-AOI detection material supplementing device according to claim 7, characterized in that, The lift-up cylinder module for supporting the product is arranged between the two transport belt lines, and the positioning cylinder for clamping the product is further arranged outside the transport belt line. 9.The LED full-color module patch post-AOI detection material supplementing equipment according to claim 8, characterized in that, The lift-up magnetic suction plate is arranged below the transport belt line, and the lift-up cylinder module is arranged on the lift-up magnetic suction plate in a magnetic suction manner. 10.The LED full-color module patch post-AOI detection material supplementing device of claim 7, wherein, The track width adjusting assembly is further included, the track width adjusting assembly includes the lead screw nut assemblies respectively located at two ends of the transport direction of the transport belt line, the two lead screw nut assemblies move synchronously through the synchronous belt, and one of the lead screw nut assemblies is driven by the motor; The lead screw nut assembly includes the ball screw and the nut seat in transmission connection with the ball screw, and the nut seat is fixedly connected with one of the transport belt lines.

Images