CN111968924A - Automatic full-inspection machine and method for LED bracket - Google Patents
Automatic full-inspection machine and method for LED bracket Download PDFInfo
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- CN111968924A CN111968924A CN202011003949.9A CN202011003949A CN111968924A CN 111968924 A CN111968924 A CN 111968924A CN 202011003949 A CN202011003949 A CN 202011003949A CN 111968924 A CN111968924 A CN 111968924A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L22/00—Testing or measuring during manufacture or treatment; Reliability measurements, i.e. testing of parts without further processing to modify the parts as such; Structural arrangements therefor
- H01L22/10—Measuring as part of the manufacturing process
- H01L22/12—Measuring as part of the manufacturing process for structural parameters, e.g. thickness, line width, refractive index, temperature, warp, bond strength, defects, optical inspection, electrical measurement of structural dimensions, metallurgic measurement of diffusions
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67242—Apparatus for monitoring, sorting or marking
- H01L21/67271—Sorting devices
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L22/00—Testing or measuring during manufacture or treatment; Reliability measurements, i.e. testing of parts without further processing to modify the parts as such; Structural arrangements therefor
- H01L22/20—Sequence of activities consisting of a plurality of measurements, corrections, marking or sorting steps
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/483—Containers
- H01L33/486—Containers adapted for surface mounting
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2933/00—Details relating to devices covered by the group H01L33/00 but not provided for in its subgroups
- H01L2933/0008—Processes
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Abstract
The invention discloses an automatic full-inspection machine and an automatic full-inspection method for an LED bracket, wherein the equipment comprises a rack, an LED bracket conveying device, an LED bracket detection device, an LED bracket defective product offline device, an LED bracket packing paper temporary storage device and a control device, wherein the LED bracket conveying device is used for conveying the LED bracket along the conveying direction of the LED bracket; the LED support detection device comprises a light source and a shooting device, the shooting device is used for shooting the LED support, and the control device is used for grading the incoming LED support according to the pictures shot by the shooting device; the LED support defective product offline device is used for offline processing of defective products according to the grading information of incoming LED supports; the LED support packing paper temporary storage device is used for carrying out automatic packing paper packaging treatment on qualified LED supports. The LED bracket grading device can automatically grade the LED bracket according to the grading information and automatically stack and package qualified products.
Description
Technical Field
The application belongs to the technical field of LED support processing equipment, and particularly relates to an automatic full-inspection machine for an LED support and an automatic full-inspection method for the LED support.
Background
The RGB three-color LED lamp bead of encapsulation generally is applied to the open air, all has the application in places such as advertising light boxes, display screen, and RGB three-color light source comprises the paster of three kinds of colours red (R), green (G), blue (B), and conventional LED lamp bead has LED7070 (overall dimension is 7.0mm 1.1mm), LED5050 (overall dimension is 5.0mm 1.6mm), LED3535 (overall dimension is 3.5mm 2mm) to and miniature type (overall dimension is no longer than 2.0mm) etc..
The LED support is a bottom base of the LED lamp bead before packaging, the chip is fixed on the LED support, the positive electrode and the negative electrode are welded, and packaging glue is used for packaging and forming at one time. The LED support is generally manufactured in batch, a copper plate with material (at present, also made of iron, aluminum, etc.) is provided with a plurality of rows of conductive supports as conductive terminals (the conductive terminals still belong to a part of the copper plate with material), and then the copper plate with material is placed into an injection molding machine to be injection molded to form a plastic main body, after the plastic main body is embedded and molded with the conductive terminals, the solder pins of the conductive terminals are bent, and in the bending step, the conductive terminals are punched and cut from the copper plate with material, and then bent.
The LED lamp beads are widely applied to manufacturing of display screen backlight sources, along with the development of domestic and foreign scientific and technical economy, the types, models and number models of the requirements of the LED lamp beads are larger and larger, and the requirements on the size parameters and the surface perfection of the outer surfaces of the LED lamp beads are higher and higher. For the manufacturers of the LED lamp beads, the detection procedures of the appearance shape, the size and the surface defects of the product occupy an important position in the whole process flow, and occupy larger manpower, field and capital resources.
Due to the mass production of the LED support, the produced LED support often has the condition of glue shortage (plastic defect, for example, the plastic is not filled up, and the surface of the plastic main body has a pit) or plastic falling off (short for PIN shortage). At present, the defect detection of the LED bracket in the prior art is generally a manual detection mode, and detection personnel with abundant experience can quickly judge the products on the wire or perform manual sampling detection after one process. The mode has the advantages of high labor intensity, low efficiency, poor precision and high probability of missed detection and false detection. The improvement of the overall quality of the product and the reduction of the production cost are influenced.
A part of LED manufacturers improve the production process, machine vision automatic detection is adopted for LED supports, all the LED supports are sequentially placed on a conveying device, a CCD camera is used for shooting, and the glue shortage condition of the LED supports is detected. Then, the detected defective products are sorted out manually, and the detected qualified products are packaged. The processing mode for manually classifying and processing the LED bracket has high labor intensity and low efficiency, and influences the improvement of the overall quality of products and the reduction of production cost.
Disclosure of Invention
In order to solve the technical problems, the invention provides an automatic full inspection machine and an automatic full inspection method for an LED bracket, which can automatically perform grading treatment on the LED bracket according to grading information and automatically stack and package qualified products.
The technical scheme adopted for achieving the purpose of the invention is that the automatic full inspection machine for the LED support comprises a rack, an LED support conveying device, an LED support detection device, an LED support defective product offline device, an LED support packing paper temporary storage device and a control device, wherein:
the LED bracket conveying device is arranged on the rack; the LED support detection device comprises a light source and a shooting device, the shooting device is electrically connected with the control device, and the control device is used for grading the incoming LED support according to the picture shot by the shooting device; the LED support defective product offline device is used for offline processing of defective products according to the grading information of incoming LED supports;
the LED support packing paper temporary storage device is arranged at the output end of the LED support conveying device and comprises a stacking turn, a qualified product temporary storage area and a packing paper mechanism; the stacking turn is arranged at the output end of the LED support conveying device, the bottom of the stacking turn can be opened, and the qualified product temporary storage area is arranged below the stacking turn; the paper packing mechanism comprises a paper piece loading circle, a paper suction device, a paper packing horizontal displacement device and a paper packing vertical displacement device, the paper piece loading circle is used for containing support partition paper, the paper suction device is used for sucking the support partition paper, and the paper suction device is driven by the paper packing horizontal displacement device and the paper packing vertical displacement device to move horizontally/vertically so that the paper suction device can be switched between a position above the paper piece loading circle and a position above the stacking circle.
Optionally, the LED support defective product offline device includes a jacking mechanism, a stopper, a transfer shovel, a transfer driving mechanism, and a defective product temporary storage area; wherein:
the jacking mechanism is arranged on the rack and is positioned in a transportation area of the LED support conveying device;
the baffle block is arranged on the rack and positioned on one side, facing the defective product temporary storage area, of the LED support conveying device, a baffle groove for the transfer shovel to stretch is formed in the baffle block, and the size of the baffle groove is smaller than that of the LED support in the conveying direction of the LED support;
the transfer shovel is driven by the transfer driving mechanism to move in the blocking groove so as to move the defective product from the jacking mechanism to the defective product temporary storage area;
the defect temporary storage area is installed on the rack and located below the stop blocks, and the feeding end of the defect temporary storage area is located between the jacking mechanism and the stop blocks.
Optionally, the stop block is located outside the LED support conveying device, and a certain distance is left between the stop block and an outer side plate of the LED support conveying device, so that the stop block and the outer side plate form a transition channel, and a feeding end of the defective product temporary storage area is located below the transition channel.
Optionally, a transition mechanism is arranged in the transition passage, the transition mechanism includes at least one telescopic driving mechanism and a baffle driven by the telescopic driving mechanism, the telescopic driving mechanism is located outside the transition passage, at least one of the stop block and the outer side plate is provided with at least one telescopic passage extending along the horizontal direction, and the baffle is driven by the telescopic driving mechanism and telescopically moves in the telescopic passage to switch between two positions outside the transition passage and inside the transition passage.
Optionally, the stacking turn includes two side plates, an end plate and the bottom, the side plates, the end plate and the bottom enclose a material receiving channel with side surfaces and a top surface, the side surface opening of the material receiving channel is used for being butted with the tail end of the LED support conveying device, and the top surface opening is used for being butted with the paper suction device;
at least one open in the curb plate and be equipped with at least one flexible passageway that extends along the horizontal direction, the bottom includes at least one flexible actuating mechanism and driven baffle thereof, flexible actuating mechanism is located outside receiving the material passageway, the baffle passes through flexible actuating mechanism drive, flexible removal in the flexible passageway to stretching into receive in the material passageway and stretch out receive and switch between two outer positions of material passageway.
Optionally, at least one telescopic channel is formed in each of the two side plates, the telescopic channels are distributed up and down along the height direction, and the telescopic channels in the two side plates, which are opposite to each other, have the same height;
the bottom comprises at least two telescopic driving mechanisms and at least two baffles, and the telescopic driving mechanisms and the baffles are symmetrically distributed on two sides of the stacking turn.
Optionally, a distance between the bottom of the stacking turn and the qualified product temporary storage area is smaller than a set stacking height, and one of the side plates of the stacking turn is a movable plate capable of lifting and moving; the qualified product temporary storage area is packaging conveying equipment, the head end of the packaging conveying equipment is arranged below the stacking turn, and the side plate of the stacking turn facing the tail end of the packaging conveying equipment is a movable plate;
the temporary storage device for the packing paper of the LED bracket further comprises a baffle lifting mechanism, wherein the baffle lifting mechanism is installed on the rack and used for driving the movable plate to lift.
Optionally, the paper sheet loading circle comprises a side edge and a lifting supporting plate; the paper packing mechanism further comprises a supporting plate lifting device, and the supporting plate lifting device is used for driving the supporting plate to lift so as to change the groove depth of the paper piece charging turns;
the LED support conveying device is characterized in that a guide piece is arranged in front of an opening in the side face of the stacking turn, the upper surface of the guide piece is a curved surface which is bent downwards, the upper end of the curved surface is in butt joint with the tail end of the LED support conveying device, and the lower end of the curved surface is in butt joint with the bottom.
Optionally, the photographing device is disposed right above the light source, the light source includes at least two obliquely disposed surface light sources, illumination areas of the surface light sources overlap, and the LED support conveying device at the position of the LED support detecting device is located in the overlapped illumination areas.
Based on the same inventive concept, the invention also provides an LED bracket automatic full-inspection method based on the LED bracket automatic full-inspection machine, which comprises the following steps:
the control device controls the LED support conveying device to convey the LED support to the position below the LED support detection device, the control device controls the shooting device to shoot the LED support and output a picture to the control device, the control device grades the LED support according to the picture, and the grading standard is as follows: a. the gel and PIN lack support is avoided, and the qualified product is judged; b. judging the product to be a defective product if the glue-lacking bracket and/or the PIN-lacking bracket exist;
the control device controls the LED support conveying device to convey the LED support to the position of the LED support defective product offline device, and when the LED support is a defective product, the control device controls the LED support defective product offline device to enable the defective product to be offline from the LED support conveying device; when the LED support is a qualified product, the LED support defective product offline device does not act;
the control device controls the LED support conveying device to convey the LED supports to the LED support packing paper temporary storage device, the control device controls the bottom of the stacking turn to be opened, so that the qualified products fall into the qualified product temporary storage area, and the control device controls the packing paper mechanism to suck and place paper so as to pad one piece of support separating paper before each piece of qualified product is placed.
According to the technical scheme, the automatic full inspection machine for the LED support comprises a rack, an LED support conveying device, an LED support detection device, an LED support defective product offline device, an LED support packing paper temporary storage device and a control device, wherein the LED support conveying device is used for conveying the LED support along the conveying direction of the LED support; the LED support detection device comprises a light source and a shooting device, the shooting device is used for shooting the LED support, and the control device is used for grading the incoming LED support according to the pictures shot by the shooting device; the LED support defective product offline device is used for offline processing of defective products according to the grading information of incoming LED supports; the LED support packing paper temporary storage device is used for carrying out automatic packing paper packaging treatment on qualified LED supports.
The LED support packing paper temporary storage device comprises the stacking turns, the qualified product temporary storage area and the packing paper mechanism, wherein the stacking turns are used for butting the LED support conveying device, and the qualified LED supports automatically fall into the stacking turns from the tail end of the LED support conveying device according to inertia, so that the qualified LED supports are conveniently packed in a packing paper mode. The bottom of the stacking turn can be opened, so that the stacked material automatically falls into a temporary storage area of the qualified products arranged below the stacking turn. The paper packing mechanism is used for placing support separation paper in the stacking turns, and comprises paper piece loading turns, a paper suction device, a paper packing horizontal displacement device and a paper packing vertical displacement device, wherein the paper piece loading turns are used for containing the support separation paper, the paper suction device is used for sucking the support separation paper, and the paper suction device is driven by the paper packing horizontal displacement device and the paper packing vertical displacement device to move horizontally/vertically so that the paper suction device is switched between the position above the paper piece loading turns and the position above the stacking turns to realize the actions of paper suction and paper discharge.
Compared with the prior art, the automatic full inspection machine for the LED support automatically collects qualified LED supports through the stacking turns arranged at the tail end of the LED support conveying device, paper sucking and placing actions are automatically realized through the paper packing mechanism, and stacked materials after paper packing automatically fall into the qualified product temporary storage area to wait for subsequent packaging operation. The device can reduce the labor intensity of workers, the packing treatment efficiency of the qualified packing paper is extremely high, the mechanical equipment automatically packs the paper and stacks the material, so that the edge of the stacked material is neat, and secondary shaping is not needed during subsequent packing.
Compared with the prior art, the automatic full-inspection method for the LED support can realize the automatic full-process implementation of LED support detection and classification treatment, defective products are automatically discharged through the LED support defective product discharging device, and packing paper is automatically carried out on qualified products, so that the qualified products and the defective products are automatically classified, the labor intensity of workers is reduced, the classification treatment efficiency is high, and the precision of product classification operation can be improved through automatic classification treatment by mechanical equipment.
Drawings
Fig. 1 is a first structural schematic diagram of an automatic full inspection machine for an LED bracket in embodiment 1 of the present invention;
fig. 2 is a structural schematic diagram ii of an automatic full inspection machine for an LED bracket in embodiment 1 of the present invention;
FIG. 3 is a schematic structural diagram of an LED support defective product inserting device in the LED support automatic full inspection machine of FIG. 1;
fig. 4 is a schematic structural diagram of an LED support packing paper temporary storage device in the automatic full inspection machine for LED supports of fig. 1;
fig. 5 is a schematic structural diagram of a second LED support packing paper temporary storage device in the automatic full inspection machine for LED supports of fig. 1;
fig. 6 is a flowchart of an automatic full inspection method for an LED mount in embodiment 2 of the present invention.
Description of reference numerals:
100-LED support conveying device, 110-power device;
200-LED support detection device, 210-shooting device, 220-light source;
300-LED support defective product offline device, 310-jacking mechanism, 320-stop block, 321-stop groove, 330-transfer shovel, 340-transfer driving mechanism, 350-defective product temporary storage area, 360-transition channel, 361-telescopic channel, 370-transition mechanism, 371-telescopic driving mechanism and 372-stop plate;
400-LED support packing paper temporary storage device, 410-stacking turn, 411-receiving channel, 412-side plate, 413-end plate, 414-bottom, 4141-telescopic driving mechanism, 4142-baffle, 415-telescopic channel, 420-qualified product temporary storage area, 430-packing paper mechanism, 431-paper piece charging turn, 4311-pallet, 4312-side edge, 432-paper suction device, 433-packing paper horizontal displacement device, 434-packing paper vertical displacement device, 435-lifting device, 4351-stepping motor, 4352-lifting plate, 440-baffle lifting mechanism, 441-lifting driving mechanism, 442-connecting piece, 443-pull rod, 450-guiding piece;
500-a frame; 600-a control device; 700-detecting a sensor.
Detailed Description
In order to make the present application more clearly understood by those skilled in the art to which the present application pertains, the following detailed description of the present application is made with reference to the accompanying drawings by way of specific embodiments.
Example 1:
the embodiment of the invention provides an automatic full inspection machine for an LED support, which is structurally shown in fig. 1 and comprises a rack 500, an LED support conveying device 100, an LED support detection device 200, an LED support defective product offline device 300, an LED support packing paper temporary storage device 400 and a control device 600. The LED support conveying device 100 is arranged on the rack 500, and the LED support conveying device 100 is used for conveying the LED support along the LED support conveying direction; the LED bracket detection device 200 comprises a light source 220 and a shooting device 210, the shooting device 210 is electrically connected with a control device 600, and the control device 600 grades the LED bracket of the incoming material according to the picture shot by the shooting device 210; the LED support defective product offline device 300 is used for offline processing of defective products according to the grading information of incoming LED supports; the LED support packing paper temporary storage device 400 is used for automatically packing the qualified LED supports. The electric elements in the LED support conveying device 100, the LED support detection device 200, the LED support defective product offline device 300 and the LED support packing paper temporary storage device 400 are respectively electrically connected with the control device 600, the control device 600 controls the whole machine to operate orderly, and the control device 600 can adopt any one of the existing control devices 600, such as a PLC, a singlechip and the like.
The automatic full-inspection machine for the LED support can realize full-process automation of LED support detection and classification processing, greatly reduces artificial misjudgment and misinspection, and has high detection efficiency. The structure of each component of the automatic full-inspection machine for the LED bracket is described in detail in the following by combining a specific embodiment:
the rack 500 is a mounting base for other functional components of the automatic full inspection machine for the LED bracket, stainless steel materials or aluminum materials can be selected, the structural strength of the rack should meet the mounting requirements of the components, and the specific structure is not limited in the invention.
The LED support conveying device 100 is used for conveying the LED support along the LED support conveying direction, and the LED support conveying device 100 may be any existing conveying equipment and can convey the LED support. In this embodiment, the LED support conveying device 100 is a belt conveyor, and the power device 110 of the LED support conveying device 100 is disposed at the tail end, that is, the installation position of the LED support packing paper temporary storage device 400.
Referring to fig. 1, a plurality of detection sensors 700 are arranged in the LED support conveying device 100, one detection sensor 700 is respectively arranged in front of the LED support defective product offline device 300 and the LED support packing paper temporary storage device 400, when the detection sensor 700 detects an LED support, a signal is sent to the control device 600, and the control device 600 controls the corresponding device to operate. The detection sensor 700 is preferably a photoelectric sensor.
The LED support detection device 200 is used for taking a picture of the LED support and outputting the picture to the control device 600, and the control device 600 classifies the LED support shown in the picture based on the set analysis program and guides the actions of the subsequent functional components (the LED support defective product offline device 300 and the LED support packing paper temporary storage device 400). The control device 600 automatically classifies the incoming material LED support according to the external shape characteristics of the incoming material LED support, and the specific judgment criteria may be, for example: a. the bracket without adhesive and PIN is judged as a qualified product (OK product for short); b. and (4) if the glue and/or PIN lack support exists, judging the product to be a defective product (NG product for short).
Referring to fig. 1, the LED bracket detecting device 200 includes a light source 220 and a shooting device 210, the shooting device 210 is disposed right above the light source 220, the shooting device 210 is electrically connected to a control device 600, and the control device 600 classifies the incoming LED bracket according to a picture shot by the shooting device. The light source 220 and the camera 210 may be conventional devices, and the invention is not limited by specific types.
Specifically, referring to fig. 1, in the present embodiment, the photographing device 210 employs a CCD camera, the light source 220 includes at least two obliquely disposed surface light sources, illumination areas of the obliquely disposed surface light sources coincide, and the LED holder conveying device 100 at the position of the LED holder detecting device 200 is located in the coinciding illumination areas, in the present embodiment, four obliquely disposed surface light sources are specifically employed, the four surface light sources are distributed on four sides of a rectangle, and the illumination areas of the four surface light sources coincide at the center. The shooting brightness of the LED support is improved through the overlapped lighting area, so that the picture is clearer, and the tiny defects on the LED support can be clearly reflected.
The LED support defective product offline device 300 is used for offline processing of defective products according to classification information of incoming material LED supports, and offline of the defective products can be achieved through negative pressure adsorption transfer, pushing and the like. The LED support defective product offline device 300 can use existing equipment to remove a defective product from the LED support conveying device 100, and the specific structure of the LED support defective product offline device 300 is not limited in the present invention.
Referring to fig. 2 and 3, in the present embodiment, the LED rack defective product downloader 300 includes a jacking mechanism 310, a stopper 320, a transfer shovel 330, a transfer driving mechanism 340, and a defective product buffer area 350. The jacking mechanism 310 is installed on the rack 500, the jacking mechanism 310 is located in a transportation area of the LED support conveying device 100, specifically located in a superposition area of an illumination area, namely located right below a position where the LED support is detected, and can stably jack the LED support of the defective product, when the LED support of the defective product is jacked, the LED support is separated from the LED support conveying device 100, the transfer shovel 330 can stretch into the position below the LED support of the defective product, and the LED support of the defective product is transferred to the transfer shovel 330. The jacking mechanism 310 can be any existing linear displacement mechanism, and the embodiment is preferably an air cylinder.
Referring to fig. 2, the stopper 320 is mounted on the frame 500, and the stopper 320 is located on a side of the LED support conveying device 100 facing the defective product temporary storage area 350, and the stopper 320 is used for stopping the defective product LED support and realizing blanking. The baffle groove 321 for the transfer shovel 330 to stretch is arranged in the baffle 320, and in the conveying direction of the LED support, the size of the baffle groove 321 is smaller than that of the LED support, so that when the transfer shovel 330 supports the LED support for the defective product to stretch and move in the baffle groove 321, the LED support for the defective product can be blocked by the baffle groove 321 when the LED support for the defective product touches the end face of the baffle groove 321 when the LED support for the defective product moves, and the LED support drops from the transfer shovel 330. The transfer shovel 330 is driven by the transfer driving mechanism 340 to move in the blocking groove 321 to move the defective product from the jacking mechanism 310 to the temporary defective product storage area 350, and the transfer driving mechanism 340 may be any conventional linear displacement mechanism, preferably an air cylinder.
The defective product temporary storage area 350 is installed on the rack 500, the defective product temporary storage area 350 is located below the stop block 320, the feeding end of the defective product temporary storage area 350 is located between the jacking mechanism 310 and the stop block 320, and the defective product LED support can fall at the feeding end of the defective product temporary storage area 350 after the defective product LED support touches the stop groove 321 to fall.
Considering that the defects of the LED support of the partial defective products are small and can be used after repair, the LED support of the defective products also needs to be prevented from being damaged as much as possible when the LED support of the defective products is recycled. To achieve the technical purpose, referring to fig. 2, in the present embodiment, the stopper 320 is located outside the LED frame conveying device 100, and the stopper 320 is spaced apart from the outer plate 120 of the LED frame conveying device 100 by a certain distance, so that the stopper 320 and the outer plate 120 form a transition passage 360, and the feeding end of the defect temporary storage area 350 is located below the transition passage 360. Transition mechanism 370 is arranged in transition channel 360, referring to fig. 3, transition mechanism 370 includes at least one telescopic driving mechanism 371 and baffle 372 driven thereby, telescopic driving mechanism 371 is located outside transition channel 360, at least one telescopic channel 361 extending along the horizontal direction is opened in at least one of stopper 320 and outer side plate 120, baffle 372 is driven by telescopic driving mechanism 371, and is telescopically moved in telescopic channel 361, so as to switch between two positions extending into transition channel 360 and extending out of transition channel 360.
In a preferred embodiment, the stopper 320 and the outer plate 120 are respectively provided with at least one retractable channel 361, and the height of the retractable channel 361 of the stopper 320 and the height of the retractable channel 361 of the outer plate 120 are the same, when more than two retractable channels 361 are provided, the retractable channels 361 are parallel to each other and vertically distributed along the height direction. The transition passage 360 is closed or opened through the cooperation of the two baffles 372, so that the closing or opening process is quicker, and the operation efficiency is improved.
The number of the telescopic passage 361, the telescopic driving mechanism 371 and the baffle 372 is determined according to the height difference between the transition passage 360 and the defective product temporary storage area 350. For example, the height difference between the transition channel 360 and the defective product temporary storage area 350 is large, the defective product LED bracket is impacted after falling, which may cause the plastic to fall off, and at this time, at least two sets of telescopic driving mechanisms 371 and the baffle 372 should be arranged in the height direction, so that the defective product LED bracket gradually falls off, and the damage of the LED bracket is avoided through the buffering of the baffle 372.
The temporary storage device 400 for the packing paper of the LED support is arranged at the output end of the conveying device 100 for the LED support and is used for automatically packing the qualified LED support. Referring to fig. 4 and 5, the LED rack packing paper buffer 400 includes a pile loop 410, a non-defective product buffer 420, and a packing mechanism 430. The stacking turn 410 is used for abutting against the LED support conveying device 100, and the stacking turn 410 is arranged at the tail end of the LED support conveying device 100, namely the output end of the LED support conveying device 100, so that the LED support automatically falls into the stacking turn 410 under the action of inertia.
Specifically, referring to fig. 4 and 5, in the present embodiment, the stacking turn 410 includes two side plates 412, an end plate 413 and a bottom 414, the side plates 412, the end plate 413 and the bottom 414 define a receiving channel 411 with side and top openings, the side opening of the receiving channel 411 is used for being abutted with the tail end of the LED support conveying device 100, so that a qualified LED support can automatically enter the receiving channel 411, and the top opening is used for being abutted with the paper cushion mechanism 430, so that the support partition paper falls into the receiving channel 411. In order to improve the neatness of the stacked materials, an alignment push plate may be optionally arranged on the inner side of the end plate 413, and the edges of the stacked materials are aligned through the alignment push plate, so that subsequent packaging is facilitated.
In order to ensure that the qualified LED support can smoothly enter the material receiving channel 411 without material jamming, referring to fig. 5, in the embodiment, a guiding member 450 is disposed in front of the side opening of the material stacking turn 410, and the guiding member 450 is specifically disposed at the tail end of the LED support conveying device 100 and located between the LED support conveying device 100 and the material stacking turn 410. The upper surface of the guiding member 450 is a curved surface which is bent downward, the upper end of the curved surface is in butt joint with the tail end of the LED support conveying device 100, the lower end of the curved surface is in butt joint with the bottom of the stacking turn 410, and the qualified LED support smoothly enters the material receiving channel 411 along the curved surface under the action of gravity and inertia without material jamming.
The bottom of the stacking turn 410 can be opened, the opening mode can be any existing opening mode, for example, the bottom of the stacking turn 410 is connected with the other parts of the stacking turn 410 through elastic pieces, the bottom of a qualified LED support is automatically opened under the action of gravity, or a driving mechanism is adopted to drive the bottom to be opened, and the like, and the opening mode and the opening structure of the bottom of the stacking turn 410 are not limited by the invention.
In this embodiment, the bottom of the stacking ring 410 is driven to open by a driving mechanism. Referring to fig. 4 and 5, at least one side plate 412 is provided with at least one telescopic channel 415 extending along the horizontal direction, the bottom 414 comprises at least one telescopic driving mechanism 4141 and a baffle 4142 driven by the telescopic driving mechanism 4141, the telescopic driving mechanism 4141 is located outside the material receiving channel 411, the baffle 4142 is driven by the telescopic driving mechanism 4141 to move telescopically in the telescopic channel 415 so as to switch between two positions of extending into the material receiving channel 411 and extending out of the material receiving channel 411, and the baffle 4142 serves as a bottom plate of the stacking turn 410. When there is only one baffle 4142, the telescopic driving mechanism 4141 preferably selects an air cylinder to ensure that the area of the baffle 4142 inside the material receiving channel 411 meets the requirement of stably supporting the qualified LED support after the baffle 4142 is completely extended out.
As a preferred embodiment, at least one telescopic channel 415 is formed in each of the two side plates 412 of the stacking turn 410, the heights of the telescopic channels 415 opposite to each other in the two side plates 412 are the same, and when more than two telescopic channels 415 are formed, the telescopic channels 415 are parallel to each other in the height direction and are distributed up and down. Correspondingly, the bottom 414 comprises at least two telescoping actuating mechanisms 4141 and at least two baffles 4142, the telescoping actuating mechanisms 4141 and the baffles 4142 are symmetrically distributed on both sides of the lap 410, and the two baffles 4142 at the same height are simultaneously extended or simultaneously retracted to close or open the bottom channel of the lap 410. The closing or opening process is made faster and the operating efficiency is improved by the two flaps 4142 cooperating to close or open the bottom channels of the lap turns 410.
The number of telescoping channels 415, telescoping drive mechanisms 4141 and flappers 4142 depends on the height difference between the lap turns 410 and the accept buffer 420, and the set lap height. For example, if the set stacking height is high, the height difference between the stacking turn 410 and the qualified product temporary storage area 420 is large, and the qualified LED support and the support separation paper may shift in the dropping process, at this time, at least two sets of the telescopic driving mechanisms 4141 and the baffles 4142 should be arranged in the height direction, so that the qualified LED support and the support separation paper gradually drop, and the LED support is prevented from shifting by the buffering of the baffles 4142.
The good product temporary storage area 420 is arranged below the stacking turns 410 and used for temporarily storing stacked materials. The qualified product temporary storage area 420 may be a storage platform or other mechanism capable of stably placing stacked materials, and the specific structure of the present invention is not limited. Referring to fig. 4 and 5, in the present embodiment, the non-defective product buffer 420 is a packing conveyor, and the head end of the packing conveyor is disposed below the stacking loop 410, so that the stacked materials can be sequentially transferred to the next process by the packing conveyor.
Since the qualified product temporary storage area 420 is a fixed member in this embodiment, the height thereof is not changed, and as the stacking height increases, the qualified LED brackets and the bracket separation paper are gradually accumulated in the material receiving channel 411, and the LED brackets at the upper part cannot be transferred due to the blocking of the side plate 412. To solve this problem, in this embodiment, the distance between the bottom of the stacking turn 410 and the good product temporary storage area 420 is smaller than the set stacking height, so as to ensure that several LED brackets at the initial stage of stacking stably fall on the good product temporary storage area 420 without displacement. One of the side plates 412 of the stacking coil 410 is provided as a movable plate 4121 which can move up and down, as shown in fig. 5, specifically, the movable plate 4121 is the side plate of the stacking coil 410 facing the tail end of the packaging conveying device. Correspondingly, the temporary storage device for the packing paper of the LED bracket further comprises a baffle lifting mechanism 440, and the baffle lifting mechanism 440 is mounted on the frame 500 and used for driving the movable plate 4121 to lift.
Specifically, referring to fig. 4 and 5, the baffle elevating mechanism 440 includes an elevating driving mechanism 441, a connecting member 442 and two pull rods 443 connected in sequence, the elevating driving mechanism 441 is preferably an air cylinder, the air cylinder drives the connecting member 442 to ascend and descend, the two pull rods 443 are vertical rods and parallel to each other, one end of each pull rod 443 is fixedly connected to the connecting member 442, and the other end of each pull rod 443 is fixedly connected to the movable plate 4121, so as to drive the movable plate 4121 to ascend in the stacking and transferring process, thereby avoiding collision and stacking.
The packing mechanism 430 is used for placing bracket separation paper into the stacking turn 410, and referring to fig. 4 and 5, the packing mechanism 430 comprises a paper sheet loading turn 431, a paper suction device 432, a packing horizontal displacement device 433 and a packing vertical displacement device 434. The paper sheet charge 431 is used to hold the stand divider paper, and preferably the paper sheet charge 431 is located outside the stack 410. The paper sucking device 432 is used for sucking the bracket separation paper, and preferably, the paper sucking device 432 adopts two suction cups, as shown in fig. 5. The paper suction device 432 is driven by the paper packing horizontal displacement device 433 and the paper packing vertical displacement device 434 to perform horizontal/vertical movement so that the paper suction device 432 is switched between a position above the paper piece charging turn 431 and a position above the stacking turn 410, and performs paper suction and discharge.
In this embodiment, the paper sheet loading loop 431 includes a side 4312 and a lifting support plate 4311, and the corresponding paper support mechanism 430 further includes a support plate lifting device 435, and the support plate lifting device 435 is used for driving the support plate 4311 to lift and lower so as to change the groove depth of the paper sheet loading loop 431. Considering that the depth of the groove of the paper sheet charging loop 431 needs to be reduced by the thickness of a piece of support separation paper when paper is sucked every time, the adjustment of the depth of the groove of the paper sheet charging loop 431 is continuous stepping type, and for convenience of control, preferably, in the embodiment, the support plate lifting device 435 uses a stepping motor 4351 to drive a ball screw pair to lift, a nut of the ball screw pair is connected with a lifting plate 4352, the lifting plate 4352 is directly connected with a support plate 4311, a lifting groove is formed in a side 4312 for the lifting plate 4352 to pass through, as shown in fig. 5, the stepping motor 4351 drives the ball screw pair to rotate, and drives the support plate 4311 to lift gradually, so that the adjustment of the depth of the groove is realized, and the paper sucking device 432 can suck the support separation paper when moving above the paper.
The LED support packing paper temporary storage device 400 can be directly applied to the existing LED support detection equipment, and each electric element in the LED support packing paper temporary storage device 400 is connected into a controller of the existing LED support detection equipment, so that the qualified LED supports can be automatically packed and processed after the LED support detection equipment detects the supports and classifies the supports. The specific working principle is as follows:
the automatic machine that examines entirely of LED support detects supplied materials LED support's appearance characteristic and grades supplied materials LED support automatically, and specific judgement standard can for example: a. the bracket is adhesive-free and PIN-free, and is judged as an OK product; b. if the support is in the glue shortage state, judging the support to be an NG glue shortage product; c. if the support is lack of PIN, the support is judged to be an NG lack PIN product. b and c are defective products, and the defective products are discharged through the LED support defective product discharging device 300 in the transferring process, so that the LED supports conveyed to the LED support packing paper temporary storage device 400 are all qualified products.
The LED support conveying device 100 conveys the qualified LED support to the LED support packing paper temporary storage device 400, and the qualified LED support smoothly enters the material receiving channel 411 of the stacking turn 410 along the curved surface of the guiding member 450 under the action of gravity and inertia.
Before the qualified LED bracket falls into the bracket, the paper suction device 432 is driven by the paper padding vertical displacement device 434 to move vertically to suck paper; after paper is sucked, the paper-packing vertical displacement device 434 drives the paper sucking device 432 to ascend, and the paper-packing horizontal displacement device 433 drives the paper sucking device 432 to horizontally move to the position above the material stacking turn 410; the paper-packing vertical displacement device 434 drives the paper suction device 432 to descend for paper discharge.
Before the qualified LED support falls into the space, the two telescopic driving mechanisms 4141 positioned above drive the baffle plates 4142 to extend out, and the qualified LED support falls on the two baffle plates 4142 above; then the two lower telescopic driving mechanisms 4141 drive the baffle 4142 to extend, meanwhile, the two upper telescopic driving mechanisms 4141 drive the baffle 4142 to retract, and qualified LED brackets fall on the two lower baffles 4142; then, the two telescopic driving mechanisms 4141 located below drive the blocking plate 4142 to retract, and the qualified LED carriers fall on the carrier separation paper in the qualified product temporary storage area 420.
Through the operation, when one qualified product is placed, one piece of support separating paper is padded, and when the number of stacked qualified products reaches a set value, stacked materials are transferred to a subsequent station through the qualified product temporary storage area 420.
Example 2:
based on the same inventive concept, an embodiment of the present invention provides an LED rack automatic full inspection method, which is implemented based on the LED rack automatic full inspection machine of the above embodiment, and with reference to fig. 1 and 6, the method includes the following steps:
the control device 600 controls the LED support conveying device 100 to convey the LED support to the lower part of the LED support detection device 200, the control device 600 controls the shooting device 210 to shoot the LED support and output the picture to the control device 600, the control device 600 grades the LED support according to the picture, and the grading standard is as follows: a. the gel and PIN lack support is avoided, and the qualified product is judged; b. judging the product to be a defective product if the glue-lacking bracket and/or the PIN-lacking bracket exist;
the control device 600 controls the LED support conveying device 100 to convey the LED support to the position of the LED support defective product offline device 300, and when the LED support is a defective product, the control device 600 controls the LED support defective product offline device 300 to enable the defective product to be offline from the LED support conveying device 100; when the LED support is a qualified product, the LED support defective product offline device 300 does not act;
the control device 600 controls the LED support conveying device 100 to convey the LED supports to the LED support packing paper temporary storage device 400, the control device 600 controls the bottom of the stacking turn 410 to be opened, so that qualified products fall in the qualified product temporary storage area 420, and the control device 600 controls the packing paper mechanism 430 to perform paper sucking and placing actions, so that one piece of support separation paper is packed before each piece of qualified products is placed.
Through the embodiment, the invention has the following beneficial effects or advantages:
1) the automatic full-inspection machine for the LED supports is provided with the temporary storage device for the packing paper of the LED supports, qualified LED supports are automatically collected through the stacking turns arranged at the tail end of the support conveying equipment at the last station, paper suction and paper discharge actions are automatically realized through the packing paper mechanism, and the stacked material after the packing paper automatically falls into the temporary storage area for qualified products to wait for subsequent packaging operation. The device can reduce the labor intensity of workers, the packing treatment efficiency of the qualified packing paper is extremely high, the mechanical equipment automatically packs the paper and stacks the material, so that the edge of the stacked material is neat, and secondary shaping is not needed during subsequent packing.
2) The automatic full-inspection method for the LED bracket provided by the invention can realize the automatic full-process implementation of the detection and classification treatment of the LED bracket, automatically carries out the offline of defective products through the offline device for defective products of the LED bracket, and automatically carries out the paper packing and packaging on qualified products, so that the automatic grading treatment of qualified products and defective products is carried out, the labor intensity of workers is reduced, the grading treatment efficiency is extremely high, and the automatic grading treatment by mechanical equipment can also improve the precision of the grading operation of the products.
While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Claims (10)
1. The utility model provides a machine is examined entirely in LED support automation which characterized in that: including frame, LED support conveyor, LED support detection device, LED support defect article off-line device, LED support packing paper temporary storage device and controlling means, wherein:
the LED bracket conveying device is arranged on the rack; the LED support detection device comprises a light source and a shooting device, the shooting device is electrically connected with the control device, and the control device is used for grading the incoming LED support according to the picture shot by the shooting device; the LED support defective product offline device is used for offline processing of defective products according to the grading information of incoming LED supports;
the LED support packing paper temporary storage device is arranged at the output end of the LED support conveying device and comprises a stacking turn, a qualified product temporary storage area and a packing paper mechanism; the stacking turn is arranged at the output end of the LED support conveying device, the bottom of the stacking turn can be opened, and the qualified product temporary storage area is arranged below the stacking turn; the paper packing mechanism comprises a paper piece loading circle, a paper suction device, a paper packing horizontal displacement device and a paper packing vertical displacement device, the paper piece loading circle is used for containing support partition paper, the paper suction device is used for sucking the support partition paper, and the paper suction device is driven by the paper packing horizontal displacement device and the paper packing vertical displacement device to move horizontally/vertically so that the paper suction device can be switched between a position above the paper piece loading circle and a position above the stacking circle.
2. The automatic full inspection machine of LED support of claim 1, characterized in that: the LED support defective product offline device comprises a jacking mechanism, a stop block, a transfer shovel, a transfer driving mechanism and a defective product temporary storage area; wherein:
the jacking mechanism is arranged on the rack and is positioned in a transportation area of the LED support conveying device;
the baffle block is arranged on the rack and positioned on one side, facing the defective product temporary storage area, of the LED support conveying device, a baffle groove for the transfer shovel to stretch is formed in the baffle block, and the size of the baffle groove is smaller than that of the LED support in the conveying direction of the LED support;
the transfer shovel is driven by the transfer driving mechanism to move in the blocking groove so as to move the defective product from the jacking mechanism to the defective product temporary storage area;
the defect temporary storage area is installed on the rack and located below the stop blocks, and the feeding end of the defect temporary storage area is located between the jacking mechanism and the stop blocks.
3. The automatic full inspection machine of LED support of claim 2, characterized in that: the baffle block is positioned on the outer side of the LED support conveying device, a certain distance is reserved between the baffle block and the outer side plate of the LED support conveying device, so that the baffle block and the outer side plate form a transition channel, and the feeding end of the defect temporary storage area is positioned below the transition channel.
4. The automatic full inspection machine of LED support of claim 3, characterized in that: the transition channel is internally provided with a transition mechanism, the transition mechanism comprises at least one telescopic driving mechanism and a baffle plate driven by the telescopic driving mechanism, the telescopic driving mechanism is positioned outside the transition channel, at least one of the baffle plate and the outer side plate is provided with at least one telescopic channel extending along the horizontal direction, and the baffle plate is driven by the telescopic driving mechanism and telescopically moves in the telescopic channel so as to stretch into the transition channel and stretch out of the transition channel for switching between two positions outside the transition channel.
5. The automatic full inspection machine of LED support of claim 1, characterized in that: the stacking turn comprises two side plates, an end plate and the bottom, a material receiving channel with side surfaces and top surfaces opened is defined by the side plates, the end plate and the bottom, the side surface opening of the material receiving channel is used for being in butt joint with the tail end of the LED support conveying device, and the top surface opening is used for being in butt joint with the paper suction device;
at least one open in the curb plate and be equipped with at least one flexible passageway that extends along the horizontal direction, the bottom includes at least one flexible actuating mechanism and driven baffle thereof, flexible actuating mechanism is located outside receiving the material passageway, the baffle passes through flexible actuating mechanism drive, flexible removal in the flexible passageway to stretching into receive in the material passageway and stretch out receive and switch between two outer positions of material passageway.
6. The automatic full inspection machine of LED support of claim 5, characterized in that: at least one telescopic channel is arranged in each of the two side plates, the telescopic channels are distributed up and down along the height direction, and the heights of the telescopic channels in the two side plates which are opposite to each other are the same;
the bottom comprises at least two telescopic driving mechanisms and at least two baffles, and the telescopic driving mechanisms and the baffles are symmetrically distributed on two sides of the stacking turn.
7. The automatic full inspection machine of LED support of claim 6, characterized in that: the distance between the bottom of the stacking turn and the qualified product temporary storage area is smaller than the set stacking height, and one side plate of the stacking turn is a movable plate capable of lifting and moving; the qualified product temporary storage area is packaging conveying equipment, the head end of the packaging conveying equipment is arranged below the stacking turn, and the side plate of the stacking turn facing the tail end of the packaging conveying equipment is a movable plate;
the temporary storage device for the packing paper of the LED bracket further comprises a baffle lifting mechanism, wherein the baffle lifting mechanism is installed on the rack and used for driving the movable plate to lift.
8. The automatic full inspection machine of LED support of claim 5, characterized in that: the paper sheet loading circle comprises a side edge and a lifting supporting plate; the paper packing mechanism further comprises a supporting plate lifting device, and the supporting plate lifting device is used for driving the supporting plate to lift so as to change the groove depth of the paper piece charging turns;
the LED support conveying device is characterized in that a guide piece is arranged in front of an opening in the side face of the stacking turn, the upper surface of the guide piece is a curved surface which is bent downwards, the upper end of the curved surface is in butt joint with the tail end of the LED support conveying device, and the lower end of the curved surface is in butt joint with the bottom.
9. The automatic full inspection machine of LED racks of any of claims 1-8, characterized in that: the shooting device is arranged right above the light source, the light source comprises at least two obliquely arranged surface light sources, the illumination areas of the surface light sources are overlapped, and the LED support conveying device at the position of the LED support detection device is positioned in the overlapped illumination areas.
10. An LED support automatic full-inspection method based on the LED support automatic full-inspection machine according to any one of claims 1 to 9, characterized by comprising the following steps:
the control device controls the LED support conveying device to convey the LED support to the position below the LED support detection device, the control device controls the shooting device to shoot the LED support and output a picture to the control device, the control device grades the LED support according to the picture, and the grading standard is as follows: a. the gel and PIN lack support is avoided, and the qualified product is judged; b. judging the product to be a defective product if the glue-lacking bracket and/or the PIN-lacking bracket exist;
the control device controls the LED support conveying device to convey the LED support to the position of the LED support defective product offline device, and when the LED support is a defective product, the control device controls the LED support defective product offline device to enable the defective product to be offline from the LED support conveying device; when the LED support is a qualified product, the LED support defective product offline device does not act;
the control device controls the LED support conveying device to convey the LED supports to the LED support packing paper temporary storage device, the control device controls the bottom of the stacking turn to be opened, so that the qualified products fall into the qualified product temporary storage area, and the control device controls the packing paper mechanism to suck and place paper so as to pad one piece of support separating paper before each piece of qualified product is placed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011003949.9A CN111968924A (en) | 2020-09-22 | 2020-09-22 | Automatic full-inspection machine and method for LED bracket |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011003949.9A CN111968924A (en) | 2020-09-22 | 2020-09-22 | Automatic full-inspection machine and method for LED bracket |
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| CN111968924A true CN111968924A (en) | 2020-11-20 |
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| CN202011003949.9A Pending CN111968924A (en) | 2020-09-22 | 2020-09-22 | Automatic full-inspection machine and method for LED bracket |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116835079A (en) * | 2023-08-31 | 2023-10-03 | 福建鼎珂光电科技有限公司 | Automatic full-inspection packaging equipment and packaging technology for LED support belt |
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