CN111715556B

CN111715556B - Automatic full-inspection machine and method for LED bracket

Info

Publication number: CN111715556B
Application number: CN202010620355.6A
Authority: CN
Inventors: 陈建华; 林育桢
Original assignee: Boluo Chengchuang Precision Industry Co ltd
Current assignee: Boluo Chengchuang Precision Industry Co ltd
Priority date: 2020-06-30
Filing date: 2020-06-30
Publication date: 2022-03-29
Anticipated expiration: 2040-06-30
Also published as: CN111715556A

Abstract

The invention discloses an automatic full-inspection machine and an automatic full-inspection method for an LED bracket, wherein the automatic full-inspection machine for the LED bracket comprises a rack, an LED bracket conveying device, an LED bracket feeding device, an LED bracket detecting device, an LED bracket marking device, an LED bracket grading processing device and a control device; the LED support conveying device is used for conveying the LED support; the LED support feeding device is used for feeding the LED support; the LED support detection device is used for taking a picture, and the control device is used for grading the incoming material LED support according to the picture taken by the shooting device; the LED support marking device is used for marking the defect position of the LED support; the LED support grading treatment device is used for grading the LED support according to the grading information of the incoming material LED support. The LED bracket grading system can automatically grade the LED bracket according to the grading information and automatically stack and package products of different grades.

Description

Automatic full-inspection machine and method for LED bracket

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 support, which can automatically perform grading treatment on the LED support according to grading information and automatically stack and package products of different grades.

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 feeding device, an LED support detecting device, an LED support marking device, an LED support grading processing device and a control device, wherein:

the LED support conveying device is arranged on the rack and used for conveying the LED support along the conveying direction of the LED support;

the LED support feeding device, the LED support detection device, the marking device and the LED support grading treatment device are sequentially arranged on the rack along the LED support conveying direction;

the LED support feeding device is used for feeding an LED support so as to transfer the LED support to the LED support conveying device;

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 marking device comprises a marking driving assembly and a marking mechanism driven by the marking driving assembly, and the marking mechanism is used for marking the defect position of the LED support;

the LED support grading processing device is used for grading the LED support according to grading information of the incoming LED support and comprises a support jacking mechanism and two groups of sorting assemblies;

the support jacking mechanism is arranged at the output end of the LED support conveying device and used for jacking the LED support to be separated from the LED support conveying device; the two groups of sorting components are respectively arranged on two sides of the support jacking mechanism and are respectively used for sorting qualified products and defective products;

letter sorting subassembly includes support anchor clamps, silo, fold material elevating system and pushing equipment, wherein:

the support clamp comprises a clamp telescopic mechanism and a clamping component driven by the clamp telescopic mechanism, and the clamping component is driven by the clamp telescopic mechanism to switch between a position above the support jacking mechanism and a position above the material groove;

the trough is used for placing sorted qualified products or sorted defective products and comprises a guide member and a support supporting plate, wherein the guide member is arranged around the support supporting plate and jointly forms a trough structure for placing a support;

the stacking lifting mechanism is used for driving the support supporting plate to lift so as to change the groove depth of the groove structure;

the material pushing mechanism is arranged beside the material groove and is a telescopic device, and the material pushing mechanism is used for pushing stacked materials in the material groove away from the material groove.

Optionally, the LED bracket feeding device includes a bottom plate, a positioning block and a feeding assembly; wherein:

the bottom plate is arranged at the feeding end of the LED support conveying device, and a feeding hole for blanking the LED support is formed in the bottom plate;

more than 2 positioning blocks are arranged, more than 2 positioning blocks are all arranged on the feeding port of the bottom plate, and more than 2 positioning blocks jointly enclose a feeding area for placing the LED support;

the feeding assembly is arranged on the bottom plate, is of a symmetrical structure and comprises two groups of symmetrically arranged feeding mechanisms; the feeding mechanism comprises an upper pushing device, a lower pushing device, an upper stop block and a lower stop block, the upper stop block is connected with the extending end of the upper pushing device, the lower stop block is connected with the extending end of the lower pushing device, and the distance between the upper stop block and the lower stop block is not larger than the height of the plastic main body on the LED bracket;

in the two groups of symmetrically arranged feeding mechanisms, the two upper stop blocks are driven by the two upper pushing devices to relatively extend into the feeding area or oppositely retract from the feeding area; the two lower stop blocks are driven by the two lower pushing devices to retract away from the feeding area in opposite directions or extend into the feeding area in opposite directions.

Optionally, the upper stop block is L-shaped and comprises an installation part and a material supporting part which are vertically arranged, the upper stop block is connected with an extending end of the upper material pushing device through the installation part, the material supporting part is a thin plate, and the thickness of the thin plate is not greater than the height of the plastic main body;

the extension end of the upper pushing device and the extension end of the lower pushing device are both provided with a connecting block, and the upper stop block and the lower stop block are respectively connected with the extension ends of the upper pushing device and the lower pushing device through the connecting blocks;

the automatic full-inspection machine for the LED support further comprises an air pressure system used for driving the air cylinder to act, and an electric element in the air pressure system is electrically connected with the control device.

Optionally, the feeding port is rectangular, 4 positioning blocks are arranged, and the 4 positioning blocks are distributed at four corners of the rectangular feeding port at intervals;

two sets of feed mechanism symmetry sets up in the rectangle by two long side edges of material loading mouth.

Optionally, the LED support feeding device further includes a supplied material detection photoelectric switch and a material blocking detection photoelectric switch, the supplied material detection photoelectric switch and the material blocking detection photoelectric switch are both installed on the bottom plate, and the detection end is aligned to the feeding area, the supplied material detection photoelectric switch and the material blocking detection photoelectric switch are respectively electrically connected to the control device.

Optionally, the shooting device is disposed right above the light source, the light source includes two obliquely disposed surface light sources, illumination areas of the two obliquely disposed surface light sources coincide, and the LED support conveying device at the position of the LED support detecting device is located in the coinciding illumination areas;

the marking driving assembly comprises a marking horizontal displacement device and a marking vertical displacement device, and the marking mechanism drives and horizontally/vertically moves through the marking horizontal displacement device and the marking vertical displacement device so as to mark the defect position of the LED support.

Optionally, the LED rack grading processing apparatus further includes 3 packaging and conveying devices and a transition mechanism, and the 3 packaging and conveying devices are configured to be respectively butted with the 2 troughs and the output ends of the LED rack conveying devices; the mounting height of 2 packaging conveying devices butted with 2 material grooves is not higher than the lowest limit position of the support supporting plate;

the transition mechanism is obliquely and downwards arranged on the rack along the conveying direction of the LED bracket, is positioned above the middle packaging and conveying device and is butted with the output end of the LED bracket conveying device;

the transition mechanism comprises a mounting plate, an air cylinder, two side plates and a baffle plate, wherein the air cylinder is mounted on the mounting plate, the two side plates swing through the driving of the air cylinder, the baffle plate is mounted on the mounting plate, and the baffle plate and the two side plates jointly enclose a support transition channel.

Optionally, the LED support grading processing apparatus further includes a paper-packing mechanism, and the paper-packing mechanism is mounted on the rack;

the packing paper mechanism includes paper slot, inhales paper device, packing paper horizontal displacement device and the vertical displacement device of packing paper, wherein:

the paper groove is used for containing support partition paper and is positioned above the support jacking mechanism;

the paper suction device is used for sucking the support separation paper, and the paper suction device is driven by the packing paper horizontal displacement device and the packing paper vertical displacement device to move horizontally/vertically so as to switch the paper suction device between the position above the paper groove and the position above the material groove.

Optionally, the support jacking mechanism comprises a jacking driving mechanism and more than 2 ejector rods driven by the jacking driving mechanism, and the more than 2 ejector rods are inserted into the equipment gap at the output end of the LED support conveying device;

the trough is a rectangular trough, 4 guide members are arranged, and the 4 guide members are distributed at four corners of the rectangular trough structure at intervals; the guide member comprises a guide sheet and a guide sheet which are fixedly connected, and the guide sheet is arranged at the notch of the trough; the guide sheets are arc-shaped plates, and the guide sheets of the 4 guide components form a guide transition port with a large upper part and a small lower part; the guide pieces are arranged on two long side edges of the support supporting plate;

the support supporting plate is concave, the pushing mechanism comprises a pushing telescopic device and a pushing block pushed by the pushing telescopic device, and the pushing block is driven by the pushing telescopic device and extends into the concave opening of the support supporting plate.

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 feeding device to feed the LED support so as to transfer the LED support to the LED support conveying device;

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. if the glue-deficient support exists, judging the product to be an NG glue-deficient product in the defective products; c. if the PIN-lacking support exists, judging the product to be an NG PIN-lacking product in the defective product;

the control device controls the LED support conveying device to convey the LED support to the position below the LED support marking device, and when the LED support is an NG (NG) glue-deficient product, the control device controls the marking driving assembly to drive the marking mechanism to mark the defective position of the LED support; when the LED support is a qualified product or an NG lack PIN product, the LED support marking device does not act;

the control device controls the LED support conveying device to convey the LED support to the LED support grading processing device, the LED support grading processing device carries out grading processing on the LED support according to grading information of the LED support, and the grading processing specifically comprises the following steps:

a. when the LED bracket is a qualified product;

the control device controls the support jacking mechanism to act, and the LED support is jacked and separated from the LED support conveying device; the control device controls the clamp telescopic mechanism to drive the clamping component to extend out, and the clamping component clamps the LED bracket; the control device controls the clamp telescopic mechanism to drive the clamping part to extend and retract above one of the material grooves, and the LED support falls into the material groove;

b. when the LED bracket is an NG gel-lacking product;

the control device controls the support jacking mechanism to act, and the LED support is jacked and separated from the LED support conveying device; the control device controls the clamp telescopic mechanism to drive the clamping component to extend out, and the clamping component clamps the LED bracket; the control device controls the clamp telescopic mechanism to drive the clamping part to extend and retract to the position above the other trough, and the LED support falls into the trough;

c. when the LED bracket is an NG lack PIN product;

and the control device controls the support jacking mechanism not to act and controls the LED support conveying device to convey the LED support continuously.

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 feeding device, an LED support detecting device, an LED support marking device, an LED support grading processing device and a control device. Wherein: the LED support conveying device is used for conveying the LED support along the LED support conveying direction; the LED support feeding device is used for feeding the LED support so as to transfer the LED support to the LED support conveying device; 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 marking device comprises a marking driving assembly and a marking mechanism driven by the marking driving assembly, wherein the marking mechanism is used for marking the defect position of the LED support; the LED support grading processing device is used for grading the LED supports according to grading information of incoming LED supports after the supports are detected and graded.

In the automatic full inspection machine for the LED support, the LED support is subjected to grading treatment and comprises a support jacking mechanism and two groups of sorting assemblies, wherein: the support jacking mechanism is used for butting the LED support conveying device and jacking the LED support from the LED support conveying device to be separated from the LED support conveying device, and after the LED support is jacked, two groups of sorting assemblies which are respectively arranged at two sides of the support jacking mechanism carry out packing paper packaging on the LED support according to grading information (qualified products or defective products). The sorting assembly comprises a support clamp, a trough, a stacking lifting mechanism and a material pushing mechanism, wherein the support clamp is used for clamping the jacked LED support and clamps and moves the LED support to the trough from the support jacking mechanism. The silo is used for placing the qualified product or the bad product of letter sorting, and the silo adopts the groove structure of groove depth adjustable, including guide member and support layer board, the support layer board is for going up and down through folding the drive of material elevating system to the groove depth that changes the silo stacks up along with the LED support constantly, and the silo deepens gradually, reaches when setting for the height when folding the material, pushes away from the silo by the material pushing equipment with folding in the silo, carries out subsequent packaging process.

Compared with the prior art, the automatic full-inspection machine for the LED support and the automatic full-inspection method for the LED support can realize the full-process automation of the LED support feeding, detecting, marking and classifying treatment, and automatically pad paper and package the LED support through the two groups of sorting assemblies according to the classifying information (qualified products or defective products) of the LED support, so that the qualified products or defective products are automatically classified, the labor intensity of workers is reduced, the classifying treatment efficiency is high, and the precision of the product classifying operation can be improved through the automatic classifying treatment of mechanical equipment.

Drawings

FIG. 1 is a schematic structural diagram of an automatic full inspection machine for an LED bracket in an embodiment of the invention;

fig. 2 is a schematic structural diagram of an LED support feeding device in the automatic full inspection machine for LED supports of fig. 1;

FIG. 3 is a top view of FIG. 2;

FIG. 4 is a schematic structural diagram of an upper stop block in the LED support feeding device of FIG. 2;

FIG. 5 is a first usage state diagram of the LED support feeding device in FIG. 2;

fig. 6 is a second usage state diagram of the LED support feeding device of fig. 2.

FIG. 7 is a schematic structural diagram of an LED support grading treatment device in the LED support automatic full inspection machine of FIG. 1;

FIG. 8 is a top view of FIG. 7;

FIG. 9 is a front view of FIG. 7;

FIG. 10 is a schematic structural diagram of a bracket clamp in the LED bracket automatic full inspection machine of FIG. 7;

fig. 11 is a schematic structural diagram of a support jacking mechanism, a material groove and a material pushing mechanism in the automatic full-inspection machine for the LED support of fig. 7;

FIG. 12 is a schematic structural diagram of a transition mechanism in the automatic full inspection machine for the LED support of FIG. 7;

fig. 13 is a flowchart of an automatic full inspection method for an LED support according to an embodiment of the present invention.

Description of reference numerals:

100-LED support feeding device; 110-bottom plate, 111-feeding port; 120-positioning blocks; 130-a feeding assembly, 30 a-a first feeding mechanism, 30 b-a second feeding mechanism, 131-an upper pushing device, 132-a lower pushing device, 133-an upper stop block, 1331-an installation part, 1332-a material supporting part, 1333-a threaded hole, 1334-a reinforcing part, 134-a lower stop block, 135-an upper connecting block and 136-a lower connecting block; 140-a feeding zone; 150-incoming material detecting photoelectric switch; 160-material stuck detection photoelectric switch;

200-LED support detection device, 210-shooting device, 220-light source; 200-an LED support marking device, 310-a marking mechanism, 320-a marking horizontal displacement device and 330-a marking vertical displacement device;

400-LED support automatic full inspection machine; 410-support jacking mechanism, 411-jacking driving mechanism and 412-ejector rod; 420-support clamp, 421-clamp telescopic mechanism, 422-clamping part, 423-clamping cylinder and 424-clamping arm; 430-chute, 431-guide member, 4311-guide tab, 4312-guide tab, 432-support pallet; 440-stacking lifting mechanism, 441-support rod; 450-a material pushing mechanism, 451-a material pushing telescopic device and 452-a material pushing block; 460-paper cushion mechanism, 461-paper groove, 462-paper suction device, 463-paper cushion horizontal displacement device and 464-paper cushion vertical displacement device; 470-a package conveying device; 480-a transition mechanism, 481-a mounting plate, 482-a cylinder, 483-two side plates, 484-a baffle plate;

500-LED stent delivery means; 600-a frame; 700-LED support, 710-material belt substrate, 720-plastic main body; 800-control means.

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 (light-emitting diode) bracket, which is structurally shown in fig. 1 and comprises a rack 600, an LED bracket conveying device 500, an LED bracket feeding device 100, an LED bracket detecting device 200, an LED bracket marking device 300, an LED bracket grading processing device 400 and a control device 800, wherein the LED bracket conveying device 500 is arranged on the rack 600, and the LED bracket conveying device 500 is used for conveying the LED bracket along the LED bracket conveying direction; the LED support feeding device, the LED support detection device 200, the marking device and the LED support grading treatment device are sequentially arranged on the rack 600 along the LED support conveying direction. The electric elements in the LED support feeding device 100, the LED support detecting device 200, the LED support marking device 300, the LED support grading processing device 400 and the LED support conveying device 500 are respectively electrically connected to the control device 800, the control device 800 controls the complete machine to operate orderly, and the control device 800 can adopt any existing control device 800, such as a PLC, a single chip microcomputer, etc.

The automatic full-inspection machine for the LED support can realize full-process automation of feeding, detecting, marking and classifying treatment of the LED support 700, 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 600 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 500 is used for conveying the LED support 700 along the conveying direction of the LED support, and the LED support conveying device 500 may be any existing conveying equipment and can convey the LED support. In this embodiment, the LED support conveying device 500 is a belt conveyor.

The LED support feeding device 100 is used for feeding the LED support 700 to transfer the LED support 700 to the LED support conveying device 500. The LED support feeding device 100 may adopt any existing sheet feeding device, such as a PCB feeding device, and the specific structure of the invention is not limited.

In this embodiment, the LED support feeding device 100 is configured as shown in fig. 2 and fig. 3, and includes a bottom plate 110, a positioning block 120, and a feeding assembly 130. The bottom plate 110 is an installation basis of the positioning block 120 and the feeding assembly 130, when the LED support feeding device 100 is applied to an LED automatic production line, the bottom plate 110 is further used for being connected with a conveying device of the LED automatic production line, a feeding port 111 for blanking the LED support 700 is formed in the bottom plate 110, and the overall dimension of the feeding port 111 is larger than that of the fed LED support 700, so that the single LED support automatically falls on the conveying device of the LED automatic production line. Since the LED holder 700 is generally configured as a bar and has a rectangular shape, the feeding opening 111 is preferably configured as a rectangular shape.

The positioning blocks 120 are used for placing the LED support stacked material, the positioning blocks 120 are provided with more than 2, more than 2 positioning blocks 120 are all installed on the feeding port 111 of the bottom plate 110, and more than 2 positioning blocks 120 jointly enclose the feeding area 140 for placing the LED support 700, when the device works, the LED support is stacked in the feeding area 140, as shown in fig. 5, the positioning blocks 120 are arranged according to the shape of the LED support 700 to be fed, and the height is determined according to the height of the stacked material, and the specific structure is not limited by the invention.

Preferably, in this embodiment, 4 positioning blocks 120 are provided, and 4 positioning blocks 120 are distributed at four corners of the rectangular loading port 111. The cross section of the positioning block 120 is L-shaped and is matched with four corners of the LED support 700, and the stacked materials are guided from the four corners of the LED support 700 through 4 positioning blocks 120 to be fed piece by piece.

The feeding assembly 130 is installed on the bottom plate 110 and used for feeding the LED bracket sheets. The feeding assembly 130 has a symmetrical structure, and includes two sets of symmetrically disposed feeding mechanisms 30a and 30 b. In this embodiment, two sets of feeding mechanisms 30a and 30b are symmetrically disposed beside two long sides of the rectangular feeding opening 111, as shown in fig. 3.

The two sets of feeding mechanisms 30a and 30b are identical in structure and are arranged in mirror symmetry. Referring to fig. 2 and 3, each set of feeding mechanisms includes an upper pushing device 131, a lower pushing device 132, an upper stop block 133 and a lower stop block 134. The upper stoppers 133 are connected with the extending ends of the upper pushing devices 131, and two upper stoppers 133 of the two groups of symmetrically arranged feeding mechanisms are driven by the two upper pushing devices 131 to relatively extend into the feeding area 140 or relatively retract away from the feeding area 140. The lower stoppers 134 are connected with the extending ends of the lower pushing devices 132, and the two lower stoppers 134 of the two groups of symmetrically arranged feeding mechanisms are driven by the two lower pushing devices 132 to retract away from the feeding area 140 in opposite directions or extend into the feeding area 140 in opposite directions.

For convenience of connection, preferably, the protruding end of the upper pushing device 131 and the protruding end of the lower pushing device 132 are both provided with a connecting

block

135, 136, the upper stopper 133 is connected with the protruding end of the upper pushing device 131 through the upper connecting block 135, and the lower stopper 134 is connected with the protruding end of the lower pushing device 132 through the lower connecting block 136. In this embodiment, the upper material pushing device 131 and the lower material pushing device 132 both adopt air cylinders, and the LED bracket feeding device 100 is further provided with an air pressure system for driving the air cylinders to act. In order to ensure the stretching precision of the stop block, a double-rod cylinder or a three-rod cylinder is preferably selected as the cylinder.

In order to realize the single-piece feeding, the distance between the upper stop block 133 and the lower stop block 134 is not greater than the height of the plastic body 720 on the LED support 700. The LED support 700 is generally manufactured in batch, a plurality of conductive supports are processed on a material belt substrate 710 (generally, a copper plate is adopted, at present, an iron material, an aluminum material and the like) to serve as conductive terminals (the conductive terminals still belong to a part of the material belt copper plate), then the conductive terminals are placed into an injection molding machine to be injection molded into a plastic main body, an insulating seat and conductive pins are embedded and molded together in an injection molding mode, so that the LED support 700 with multiple rows and multiple columns is manufactured, and the detection object of the present application is a sheet LED support. Fixing the chip on the LED support, welding positive and negative electrodes, packaging and forming by packaging glue at one time to obtain the LED patches, and blanking each LED patch on the sheet LED support to obtain a single LED patch.

Since the plastic body protrudes from the tape substrate 710, a gap exists between two adjacent LED brackets 700 during stacking, and the size of the gap is the height of the plastic body 720. The distance between the upper stop block 133 and the lower stop block 134 is not greater than the height of the plastic main body 720 on the LED support 700, and only one LED support 700 can be placed in the gap between the upper stop block 133 and the lower stop block 134, so that single-piece feeding can be realized by alternately stretching the upper stop block 133 and the lower stop block 134.

Because the gap between two adjacent LED brackets 700 is small, in order to enable the upper stopper 133 to smoothly extend into the gap between two adjacent LED brackets 700, preferably, referring to fig. 4, in this embodiment, the upper stopper 133 is L-shaped, and includes a mounting portion 1331 and a material supporting portion 1332 that are vertically arranged, a threaded hole 1333 is formed in the mounting portion 1331, and the upper stopper 133 is connected with the extending end of the upper pushing device 131 through the mounting portion 1331. The material holding portion 1332 is a thin plate, and the thickness of the thin plate is not greater than the height of the plastic body 720.

Taking the LED5050 patch as an example, the maximum thickness of the LED5050 support is 1.6mm, i.e., the thickness of the thin plate cannot exceed 1.6 mm. The upper block 133 is not only required to be able to smoothly extend into the gap between two adjacent LED holders 700, but also required to stably support the stacked materials above when the two lower blocks 134 are retracted and the single LED holders 700 are blanked. In order to ensure that the thin plate material supporting portion 1332 is not deformed after a long time use, referring to fig. 4, a reinforcing portion 1334 is preferably provided at the connection between the mounting portion 1331 and the material supporting portion 1332, and the reinforcing portion 1334 plays a role of connection transition and structural reinforcement.

Referring to fig. 2 and 3, in order to ensure stable operation of the LED support feeding device 100, preferably, the LED support feeding device 100 further includes an incoming material detection photoelectric switch 150 and a material jam detection photoelectric switch 160. The incoming material detection photoelectric switch 150 and the material clamping detection photoelectric switch 160 are electrically connected to the control device 800, respectively, and the electric elements (electromagnetic valves, etc.) in the air pressure system are also electrically connected to the control device 800.

Incoming material detection photoelectric switch 150 is installed on bottom plate 110, and the detection end aligns loading zone 140, and incoming material detection photoelectric switch 150 is arranged in detecting whether there is LED support 700 in loading zone 140, and when whole material loading of folding is accomplished, detect photoelectric switch 150 signal sudden change, suggestion operating personnel loads material again. Card material detection photoelectric switch 160 installs on bottom plate 110 equally, and detects the end and aim at material loading district 140, and card material detection photoelectric switch 160 is arranged in detecting whether there is LED support 700 to be blocked in material loading district 140 for fold the material and fall smoothly, when LED support 700 was blocked, the card material detection photoelectric switch 160 signal mutation, suggestion operating personnel appear card material, in time handle.

Referring to fig. 5 and 6, the LED bracket feeding device 100 provided in this embodiment has the following working principle:

1. when an operator loads a stack of LED supports 700 into the loading area 140, the stack of LED supports automatically slides down along the positioning block 120 under the action of the dead weight and falls onto the loading assembly 130, as shown in FIG. 5.

2. The two upper pushing devices 131 drive the two upper stoppers 133 to retract, and the two lower pushing devices 132 drive the two lower stoppers 134 to extend, so that the stacked materials are supported by the two lower stoppers 134.

3. The two upper pushing devices 131 drive the two upper stoppers 133 to extend out, and the two upper stoppers 133 extend into the gap between the two lowermost LED brackets 700 to support the stacked material above, as shown in fig. 5.

4. The two lower pushing devices 132 drive the two lower blocks 134 to retract, and the single-piece LED support 701 supported by the two lower blocks falls from the feeding hole 111, as shown in fig. 6, so as to realize single-piece feeding.

The LED support inspection apparatus 200 is configured to photograph the LED support 700 and output the photograph to the control apparatus 800, and the control apparatus 800 classifies the LED support 700 shown in the photograph based on a set analysis program and guides the operations of subsequent functional components (the LED support marking apparatus 300 and the LED support classification processing apparatus 400). The control device 800 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 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.

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 800, and the control device 800 classifies the incoming LED bracket 700 according to a picture taken 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, see fig. 1, in this embodiment. The photographing device 210 adopts a CCD camera, the light source 220 includes two obliquely arranged surface light sources, the illumination areas of the two obliquely arranged surface light sources coincide, and the LED holder conveying device 500 at the position of the LED holder detecting device 200 is located in the coinciding illumination areas. The shooting brightness of the LED support 700 is improved through the overlapped lighting areas, so that the picture is clearer, and the fine defects on the LED support 700 can be clearly reflected.

The LED bracket marking device 300 is used for marking the LED bracket 700 with glue, and the marking can be painting, dotting or punching. The LED support marking device 300 comprises a marking driving assembly and a marking mechanism 310 driven by the marking driving assembly, wherein the marking driving assembly is used for driving the marking mechanism 310 to be positioned at the defect position of the LED support 700, and the marking mechanism 310 is used for marking the defect position of the LED support. The marking drive assembly and marking mechanism 310 may be implemented using conventional equipment, and the specific type of equipment is not intended to be limiting.

Specifically, referring to fig. 1, in this embodiment, the marking mechanism 310 adopts an oil pen, the marking driving assembly includes a marking horizontal displacement device 320 and a marking vertical displacement device 330, the marking mechanism 310 is driven by the marking horizontal displacement device 320 and the marking vertical displacement device 330 to perform horizontal/vertical movement so as to be positioned at a defect position of the LED support 700, and the marking mechanism 310 performs dotting marking on the defect position of the LED support 700.

The LED support grading processing device 400 is used for grading the LED supports according to the grading information of the incoming LED supports. Referring to fig. 7 to 9, the LED support grading device 400 includes a support lifting mechanism 410 and two sets of sorting assemblies, and performs automatic grading processing on the LED supports after the LED support detection devices detect the supports and perform grading.

Referring to fig. 7, the rack jacking mechanism 410 is used for abutting against the LED rack conveying device 500 and jacking the LED rack off the LED rack conveying device 500. The support lifting mechanism 410 may be any existing device with a lifting function, and the specific structure of the invention is not limited. Preferably, the rack jacking mechanism 410 is disposed at the output end of the LED rack conveying device 500.

Referring to fig. 11, in this embodiment, the support lifting mechanism 410 includes a lifting driving mechanism 411 and 2 or more lift rods 412 driven by the lifting driving mechanism, and the 2 or more lift rods are inserted into the gaps of the output end of the LED support conveying device 500, so as to ensure that the support lifting mechanism 410 does not interfere with the LED support conveying device 500 during movement. The jacking driving mechanism 411 is preferably provided with an air cylinder, the number of the top rods 412 is preferably more than 4, and the air cylinder is adopted to drive 6 top rods and jack the LED support.

Referring to fig. 7 and 8, two sorting assemblies are respectively disposed on two sides of the support lifting mechanism 410, and the entire LED support grading device 400 is provided with 3 grading regions for respectively handling defective products (e.g., lacking PIN, i.e., no pad or plastic part is present in the corresponding region), qualified products, and defective products (e.g., plastic defect, plastic is not filled, and a pit is present on the surface of the plastic main body), wherein the two sorting assemblies are respectively used for sorting the qualified products and the defective products.

Preferably, in this embodiment, two groups of sorting assemblies are symmetrically disposed on two sides of the support jacking mechanism 410, and the two groups of sorting assemblies have the same structure.

Referring to fig. 7-9, the sorter assembly includes a rack clamp 420, a chute 430, a stack lifting mechanism 440, and a pushing mechanism 450, wherein:

the support clamp 420 includes a clamp telescoping mechanism 421 and a clamping member 422 driven by the clamp telescoping mechanism 421, as shown in fig. 10, the clamping member 422 is driven by the clamp telescoping mechanism 421 to switch between a position above the support jacking mechanism 410 and a position above the trough 430, so as to clamp the jacked LED support from the support jacking mechanism 410 into the trough 430. The clamp stretching mechanism 421 can be any available stretching device, the clamping component 422 can be any available clamp capable of clamping a plate, and the specific structures of the clamp stretching mechanism 421 and the clamping component 422 are not limited in the invention.

Specifically, in this embodiment, the clamp extending and retracting mechanism 421 adopts an air cylinder, the clamping component 422 includes a clamping air cylinder 423 and two clamping arms 424, and the two clamping arms 424 are respectively connected with two output ends of the clamping air cylinder 423 through bolts, so as to realize the opening and closing actions of the bracket clamp 420.

As shown in fig. 11, the trough 430 is used for placing sorted acceptable products or defective products, the trough 430 includes a guide member 431 and a support tray 432, the guide member 431 is used for guiding the LED support to fall on the support tray 432, the guide member 431 is disposed around the support tray 432, the guide member 431 and the support tray 432 together form a trough structure for placing the LED support, the shape of the trough structure is set according to the shape of the LED support 700 to be loaded, and the specific structure is not limited by the present invention.

Specifically, referring to fig. 11, in the present embodiment, the groove structure is a rectangular groove, 4 guide members 431 are provided, the 4 guide members 431 are distributed at four corners of the rectangular groove structure at intervals, and the LED support is gradually stacked from the four corners of the LED support through the 4 guide members 431. The guide member 431 includes a guide tab 4311 and a guide tab 4312 which are fixedly connected, the guide tab 4311 is disposed at the notch of the trough 430, and the guide tab 4312 is disposed on the long side of the support bracket 432. The guide piece 4311 is an arc-shaped plate, and the guide pieces 4311 of the 4 guide members 431 form a guide transition opening with a large top and a small bottom, so that the LED bracket can stably fall into the trough 430.

Referring to fig. 7 and 9, the stacking elevating mechanism 440 drives the support pallet 432 to move up and down to change the groove depth of the groove structure. The stacking lifting mechanism 440 may be any one of the existing lifting mechanisms, and the specific structure of the invention is not limited.

Considering that the groove depth of the trough 430 needs to be increased by the thickness of one LED bracket each time the material is stacked, the adjustment of the groove depth of the trough 430 is continuous stepping type, for convenient control, preferably, the stacking lifting mechanism 440 in this embodiment drives the ball screw pair to realize lifting by using a stepping motor, the nut of the ball screw pair is connected with a lifting plate, more than 2 support rods 441 are installed on the lifting plate, more than 2 support rods 441 are vertically arranged and are in threaded connection with the bracket supporting plate 432, as shown in fig. 11, the stepping motor drives the ball screw pair to rotate, and drives the bracket supporting plate 432 to gradually descend, thereby realizing the adjustment of the groove depth.

Referring to fig. 7 and 9, the pushing mechanism 450 is disposed beside the trough 430, the pushing mechanism 450 is a retractable device, and the pushing mechanism 450 is used for pushing the stacked material in the trough 430 away from the trough 430. The pushing mechanism 450 is any telescopic mechanism, and the specific structure is not limited in the present invention.

Specifically, referring to fig. 11, in the present embodiment, the material pushing mechanism 450 includes a material pushing and retracting device 451 and a material pushing block 452 pushed by the material pushing and retracting device 451, and the material pushing and retracting device 451 is preferably a cylinder. The support supporting plate 432 is concave, and the pushing block 452 is driven by the pushing telescopic device 451 to extend into the concave opening 4321 of the support supporting plate 432, so that the stacked materials are pushed out from between the two guide sheets 4312.

In order to facilitate subsequent packaging operations, referring to fig. 7 and 9 as a preferred embodiment, the LED frame grading processing device 400 further includes 2-3 packaging conveying devices 470, and any one of the existing conveying devices, preferably a conveyor belt, can be used as the packaging conveying device 470. 2 ~ 3 packing conveyor set up to dock with 2 silo 430 at least, or dock with 2 silo 430 and support climbing mechanism 410 respectively.

The specific number of package delivery devices 470 is set according to customer requirements, for example, customer demand product breakdown: the LED support is divided into qualified products (OK products) and defective products (NG products), and the NG products are further divided into available glue-lacking products and unavailable PIN-lacking products. The package conveyor needs to be provided with 3. 3 package feeders 471,472, 473 interface 2 bins 430 and rack lift 410, respectively. Namely: the packaging and conveying device 471 is butted with one of the material troughs 430 and used for conveying OK stacks; the packaging conveying device 472 is butted with another material groove 430 for conveying the NG glue-deficient product stack; the packaging conveyor 473 docks the output end of the LED stent conveyor 500 for conveying NG missing PIN product stacks.

Since the package feeding device 471 and the package feeding device 472 are both pushed by the pushing device 450, it is necessary to ensure that the installation height is not higher than the lowest limit position of the support pallet 432, and preferably, the installation height is flush with the lowest limit position, so that the stacked materials can be smoothly pushed into the package feeding device 471 and the package feeding device 472.

When judging that the incoming material LED support is an NG lacking PIN product, the support jacking mechanism 410 does not act, and the LED support conveying device 500 directly conveys the NG lacking PIN product to the packaging conveying device 473.

Since the region of the middle support jacking mechanism 410 is not provided with the support clamp 420, in order to ensure that the NG lacking PIN products are stably transferred onto the packaging conveying device 473, as a preferred embodiment, referring to fig. 7 to 9, the LED support grading processing device 400 further comprises a transition mechanism 480, and the transition mechanism 480 is obliquely installed downwards on the rack 600 along the LED support conveying direction and is in butt joint with the output end of the LED support conveying device 500.

Specifically, referring to fig. 12, the transition mechanism 480 includes a mounting plate 481, an air cylinder 482, two side plates 483 and a baffle 484, wherein the air cylinder 482 is mounted on the mounting plate 481, the mounting plate 481 is simultaneously used for connecting with the frame 600, and the two side plates 483 are driven by the air cylinder 482 to swing. The baffle 484 is mounted on the mounting plate, and the baffle 484 and the two side plates 483 together enclose a bracket transition passage.

When NG lacks PIN product by LED support conveyor 500 shift to packing conveyor 473 on, NG lacks PIN product and at first gets into support transition passageway, and support transition passageway's entry is provided with guide port 485, makes things convenient for NG to lack PIN product and smoothly gets into in the support transition passageway. The cylinder 482 then drives the two side plates 483 to swing outward, the side plates open, and the NG missing PIN product automatically falls onto the packaging conveyor 473.

Since the number of plastic bodies on the LED support is large, the size is small, and the plastic bodies are easily damaged by external force, in order to protect the finished LED support, one piece of support separation paper is usually padded between two pieces of LED supports during packaging, and in order to facilitate subsequent packaging, as a preferred embodiment, referring to fig. 7 to 9, the LED support grading processing device 400 further includes a paper padding mechanism 460, and the paper padding mechanism 460 is installed on the rack 600. The paper is preferably arranged in the middle of the device, so that the paper is conveniently padded on two sides in turn.

Referring to fig. 8 and 9, the paper backing mechanism 460 includes a paper slot 461, a paper suction device 462, a paper backing horizontal displacement device 463, and a paper backing vertical displacement device 464. The paper slot 461 is used for containing the support separation paper, and preferably, the paper slot 461 is located above the support jacking mechanism 410. The paper suction device 462 is used for sucking the rack partition paper, and preferably, the paper suction device 462 employs two suction cups, as shown in fig. 9. The paper suction device 462 is driven to perform horizontal/vertical movement by the paper cushion horizontal displacement device 463 and the paper cushion vertical displacement device 464 to switch the paper suction device 462 between the paper slot upper position and the hopper 430 upper position, and perform paper suction and discharge.

The LED support grading processing device 400 can be directly applied to the existing LED support detection equipment, and each electric element in the LED support grading processing device 400 is connected into a controller of the existing LED support detection equipment, so that the LED support can be automatically graded after the LED support detection equipment detects and grades the support.

The LED support conveying device 500 conveys the LED support to the LED support grading processing device 400, and the specific working principle of the LED support grading processing device 400 is as follows:

a. the incoming material LED support is an OK product

The support jacking mechanism 410 acts to jack and separate the OK products from the LED support conveying device 500; the clamp stretching mechanism 421 drives the clamping component 422 to stretch out, and the clamping cylinder 423 drives the clamping arm 424 to open, so as to clamp an OK product; the clamping cylinder 423 drives the clamping arms 424 to close, and the clamp stretching mechanism 421 drives the clamping part 422 to retract above the trough 430; the clamping cylinder 423 drives the clamping arm 424 to open, and the OK product automatically falls into the trough 430.

While the above process is carried out, the paper suction device 462 is driven by the paper cushion vertical displacement device 464 to move vertically to suck paper; after the paper is sucked, the paper-packing vertical displacement device 464 drives the paper sucking device 462 to ascend, and the paper-packing horizontal displacement device 463 drives the paper sucking device 462 to horizontally move to the position above the material groove 430; the paper-packing vertical displacement device 464 drives the paper suction device 462 to descend for paper discharge.

Through the above operation, when one OK product is placed, one piece of support separation paper is padded, and when the number of stacked OK products reaches a set value, the stacked OK products are smoothly pushed into the packaging and conveying device 471 by the material pushing mechanism 450.

b. The incoming material LED bracket is an NG glue-lacking product

In the same way as the operation when the incoming LED support is OK, the specific process is not described herein again.

c. The incoming material LED support is an NG lacks PIN product.

The stent jacking mechanism 410 is not actuated and the LED stent delivery device 500 delivers NG missing PIN products directly onto the packaging delivery device 473. During the transfer process, NG lacks PIN product and first gets into support transition channel through guide port 485, and two blocks of curb plates 483 of cylinder 482 drive are outwards swung afterwards, and the curb plate is opened, and NG lacks PIN product and falls on packing conveyor 473 voluntarily.

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 13, the method includes the following steps:

the control device 800 controls the LED support feeding device 100 to feed the LED support 700, so as to transfer the LED support 700 to the LED support conveying device 500;

control device 800 controls LED support conveyor 500 to convey LED support 700 to the below of LED support detection device 200, and control device 800 controls photographing device 210 to photograph LED support 700 and export the photo to control device 800, and control device 800 carries out the classification to LED support 700 according to the photo, and the classification standard is: a. the gel and PIN lack support is avoided, and the qualified product is judged; b. if the glue-deficient support exists, judging the product to be an NG glue-deficient product in the defective products; c. if the PIN-lacking support exists, judging the product to be an NG PIN-lacking product in the defective product;

the control device 800 controls the LED support conveying device 500 to convey the LED support 700 to the position below the LED support marking device 300, and when the LED support 700 is an NG glue-deficient product, the control device 800 controls the marking driving assembly to drive the marking mechanism 310 to mark the defective position of the LED support 700; when the LED support 700 is a qualified product or an NG lacking PIN product, the LED support marking device 300 does not act;

the control device 800 controls the LED support conveying device 500 to convey the LED support 700 to the LED support grading processing device 400, and the LED support grading processing device 400 grades the LED support 700 according to the grading information of the LED support 700, wherein the grading processing specifically includes:

a. when the LED holder 700 is a qualified product (hereinafter referred to as OK product);

the control device 800 controls the support jacking mechanism 410 to act, and jacks up and separates the OK products from the LED support conveying device 500; the control device 800 controls the clamp stretching mechanism 421 to drive the clamping component 422 to extend out, and the clamping cylinder 423 drives the clamping arm 424 to open, so as to clamp an OK product; the control device 800 controls the clamping cylinder 423 to drive the clamping arms 424 to close, and the clamp stretching mechanism 421 drives the clamping component 422 to retract above the trough 430; the control device 800 controls the clamping cylinder 423 to drive the clamping arm 424 to open, and the OK product automatically falls into the trough 430 for loading the OK product.

At the same time, the control device 800 controls the paper suction device 462 to be driven by the paper cushion vertical displacement device 464 to move vertically to suck paper; after the paper is sucked, the control device 800 controls the paper-cushion vertical displacement device 464 to drive the paper suction device 462 to ascend, and the control device 800 controls the paper-cushion horizontal displacement device 463 to drive the paper suction device 462 to horizontally move to the position above the material groove 430; the control device 800 controls the paper-cushion vertical displacement device 464 to drive the paper suction device 462 to descend for paper discharge.

Through the above operation, when one OK product is placed, one piece of support separation paper is padded, and when the number of stacked OK products reaches a set value, the control device 800 controls the material pushing mechanism 450 to smoothly push the stacked materials into the packaging and conveying device 471;

b. when the LED support 700 is an NG gel-deficient product;

the specific process is not described herein again in the same manner as the operation when the incoming material LED support is an OK product;

c. when the LED support 700 is an NG lacking PIN product;

the control device 800 controls the support jacking mechanism 410 not to act and controls the LED support conveying device 500 to directly convey the NG lacking PIN product to the packaging conveying device 473.

Through the embodiment, the invention has the following beneficial effects or advantages:

1) according to the automatic full-inspection machine for the LED support, the two groups of sorting assemblies are used for automatically packing the LED support according to the grading information (qualified products or defective products) of the LED support, so that the qualified products or the defective products are automatically graded, the labor intensity of workers is reduced greatly, the grading treatment efficiency is high, and the precision of grading operation of the products can be improved through automatic grading treatment of mechanical equipment.

2) According to the automatic full inspection machine for the LED support, the paper is filled and the materials are stacked synchronously when the LED support is subjected to grading treatment, the stacked materials can be directly coated with films and packaged for delivery, and the subsequent packaging process is saved.

3) According to the automatic full-inspection machine for the LED support, batch discharging can be carried out by arranging the feeding area, single-piece feeding is realized by adopting the upper stop blocks and the lower stop blocks which are alternately telescopic, an operator only needs to carry out material stacking and discharging, the labor intensity is low, and the feeding efficiency through mechanical equipment is extremely high.

4) According to the automatic full inspection machine for the LED support, the LED support is supported through the upper stop block and the lower stop block during feeding, and compared with the grabbing and clamping action mode of the existing manipulator, the LED support is fixed in a supporting mode, so that the LED support cannot be damaged.

5) According to the automatic full-inspection machine for the LED supports, the support clearance when multiple LED supports are stacked is reasonably utilized, and the gap between the upper stop block and the lower stop block is not larger than the height of the plastic main body on the LED supports, so that only one LED support is allowed to be placed in the gap between the upper stop block and the lower stop block, and single-piece feeding can be accurately achieved.

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

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 loading attachment, LED support detection device, LED support beat mark device, LED support hierarchical processing apparatus and controlling means, wherein:

the LED support grading processing device is used for grading the LED support according to grading information of the incoming LED support and comprises a support jacking mechanism and two groups of sorting assemblies; the LED support grading processing device also comprises 3 packaging and conveying devices and a transition mechanism, wherein the 3 packaging and conveying devices are respectively in butt joint with the 2 material troughs and the output ends of the LED support conveying devices; the mounting height of 2 packaging conveying devices butted with the 2 material grooves is not higher than the lowest limit position of the support supporting plate; the transition mechanism is obliquely and downwards arranged on the rack along the conveying direction of the LED bracket, is positioned above the middle packaging and conveying device and is butted with the output end of the LED bracket conveying device; the transition mechanism comprises a mounting plate, an air cylinder, two side plates and a baffle plate, wherein the air cylinder is mounted on the mounting plate, the two side plates are driven by the air cylinder to swing, the baffle plate is mounted on the mounting plate, and the baffle plate and the two side plates form a support transition channel together; when the LED support is judged to be an NG lacking PIN product, the NG lacking PIN product enters the support transition channel, a guide opening is formed in the inlet of the support transition channel, the NG lacking PIN product can conveniently enter the support transition channel smoothly, then the two side plates are driven by the air cylinder to swing outwards, the side plates are opened, and the NG lacking PIN product automatically falls on the packaging and conveying device;

the LED support grading treatment device further comprises a paper packing mechanism, and the paper packing mechanism is mounted on the rack, so that the LED supports with qualified two sides and the NG glue-lacking LED supports can be conveniently packed; the packing paper mechanism includes paper slot, inhales paper device, packing paper horizontal displacement device and the vertical displacement device of packing paper, wherein: the paper groove is used for containing support partition paper and is positioned above the support jacking mechanism; the paper suction device is used for sucking the support separation paper, and is driven by the packing paper horizontal displacement device and the packing paper vertical displacement device to move horizontally/vertically so as to switch between the position above the paper groove and the position above the material groove;

the material pushing mechanism is arranged beside the material groove, is a telescopic device and is used for pushing stacked materials in the material groove away from the material groove;

the support jacking mechanism comprises a jacking driving mechanism and more than 2 ejector rods driven by the jacking driving mechanism, and the more than 2 ejector rods are inserted into the equipment gap at the output end of the LED support conveying device;

2. The automatic full inspection machine of LED support of claim 1, characterized in that: the LED support feeding device comprises a bottom plate, a positioning block and a feeding assembly; wherein:

3. The automatic full inspection machine of LED support of claim 2, characterized in that: the upper stop block is L-shaped and comprises an installation part and a material supporting part which are vertically arranged, the upper stop block is connected with the extending end of the upper material pushing device through the installation part, the material supporting part is a thin plate, and the thickness of the thin plate is not more than the height of the plastic main body;

4. The automatic full inspection machine of LED support of claim 2, characterized in that: the feeding port is rectangular, 4 positioning blocks are arranged, and the 4 positioning blocks are distributed at four corners of the rectangular feeding port at intervals;

5. The automatic full inspection machine of LED support of claim 2, characterized in that: LED support loading attachment still includes supplied materials detection photoelectric switch and card material detection photoelectric switch, supplied materials detection photoelectric switch with card material detection photoelectric switch all install in on the bottom plate, and the sense terminal aims at the material loading district, supplied materials detection photoelectric switch with card material detection photoelectric switch respectively with controlling means electric connection.

6. The automatic full inspection machine of LED support of claim 1, characterized in that: the shooting device is arranged right above the light source, the light source comprises two obliquely arranged surface light sources, the illumination areas of the two obliquely arranged surface light sources are overlapped, and the LED bracket conveying device at the position of the LED bracket detection device is positioned in the overlapped illumination areas;

7. An LED support automatic full-inspection method based on the LED support automatic full-inspection machine according to any one of claims 1 to 6, characterized by comprising the following steps:

a. when the LED bracket is a qualified product;

b. when the LED bracket is an NG gel-lacking product;

c. when the LED bracket is an NG lack PIN product;