Eliminating device of row testing machine

By designing a rejection device for the sorting and testing machine, and utilizing a multi-axis robotic arm and CCD vision inspection, the defective LED boards were efficiently rejected, solving the problems of accuracy and efficiency in the robotic arm's gripping method.

CN223902424UActive Publication Date: 2026-02-13JIANGXI HETAI SEMICON TECH CO LTD
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Patent Information

Application Number
CN202423286728.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2026-02-13
Estimated Expiration
2034-12-31

AI Technical Summary

Technical Problem

In existing technologies, the method of robotic arms to grasp and remove LED board components has limitations on spacing and the accuracy is difficult to guarantee, resulting in low detection efficiency.

Method used

A rejection device for a sorting and testing machine was designed. It utilizes CCD vision inspection combined with a multi-axis manipulator, and through a conveyor rope, a limit cylinder, and a slide and plate driven by horizontal and vertical motors, it achieves precise positioning of the ejector pin and rejects defective LED beads.

Benefits of technology

It enables efficient removal of defective products from LED boards, improves inspection efficiency, and overcomes the accuracy limitations of robotic gripping methods.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of LED detection devices, in particular to a row detection machine removing device which comprises a bottom plate, a machine frame is fixed to the bottom plate, conveying shafts are arranged on the two sides of the machine frame, one conveying shaft is fixed to the output end of a conveying motor, conveying wheels are fixed to the two sides of the two conveying shafts, and the conveying wheels are fixed to the two sides of the machine frame. The conveying wheels at the corresponding positions of the two conveying shafts are connected in a winding mode through conveying ropes, a limiting air cylinder is further fixed to the portion, between the two conveying ropes, of the bottom plate, a limiting plate is fixed to the tail end of a piston rod of the limiting air cylinder, a transverse motor is further fixed to the rack, and a transverse lead screw is fixed to the output end of the transverse motor. A sliding table in threaded connection with the transverse lead screw is arranged on the transverse lead screw, a longitudinal motor is fixed to the sliding table, a longitudinal lead screw is fixed to the output end of the longitudinal motor, and a sliding plate in threaded connection with the longitudinal lead screw is arranged on the longitudinal lead screw. According to the device, defective products of the lamp beads subjected to CCD visual detection can be removed.
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Description

TECHNICAL FIELD

[0001] The present application relates to the field of LED detection device, especially to a kind of rejecting device of array measurement machine. BACKGROUND

[0002] After encapsulation, before blanking, the appearance of each lamp bead on the LED plate needs to be detected manually, and defects such as stains, less glue, overflow glue, more glue, bubbles, exposed lines, damage, scratches, contamination, back overflow glue, etc. are removed. With the continuous development of LED industry, the demand for LED plates is increasing, which will inevitably increase the demand for LED plate processing work, which puts forward higher requirements for appearance detection efficiency.

[0003] At present, the detection of whole LED plate elements generally adopts CCD visual detection, and the defective products are removed after visual detection. The current removal method is to remove the defective products by mechanical hand. This removal method by mechanical hand has certain limitations on the spacing of the lamp plate elements. Moreover, it is difficult to set the accuracy of the mechanical hand. Since the spacing between LED elements is very small, the mechanical hand removal method is quite limited.

[0004] The present application is proposed to overcome the shortcomings of the prior art. SUMMARY

[0005] The present application aims to overcome the shortcomings of the prior art and provides a kind of rejecting device of array measurement machine.

[0006] The present application can be realized by the following technical solutions:

[0007] The application discloses a kind of reject devices of sorting machine, including bottom plate, the machine frame is fixed on the bottom plate, the both sides of the machine frame are provided with conveying shaft, one of the conveying shaft is fixed with conveying motor output end, the both sides of two conveying shafts are fixed with conveying wheel, the conveying wheel of corresponding position on two conveying shafts is connected by conveying rope, the bottom plate between two conveying ropes is also fixed with limit air cylinder, the piston rod end of the limit air cylinder is fixed with limit plate, the machine frame is also fixed with transverse motor, the output end of the transverse motor is fixed with transverse screw, the transverse screw is provided with sliding table being connected with transverse screw thread, the sliding table is fixed with longitudinal motor, the output end of the longitudinal motor is fixed with longitudinal screw, the longitudinal screw is provided with sliding plate being connected with longitudinal screw thread, the sliding plate is fixed with material lifting air cylinder, the piston rod end of the material lifting air cylinder is fixed with sliding block, the bottom of the sliding block is also fixed with ejector pin, the machine frame on the end of the conveying rope is also provided with support shaft, the support shaft is driven to rotate by threshing motor, the support shaft is also fixed with support roller, the support roller is also provided with threshing shaft above, the threshing shaft is also fixed with threshing roller. The LED lamp bead support of whole board is conveyed between the machine frame of bottom plate after CCD visual detection, and the conveying shaft is rotated by conveying motor drive, the support is moved to the limit plate above by conveying rope rotation, the limit air cylinder is started after the support, the piston rod of the limit air cylinder is elongated, the limit plate is lifted, the support is lifted after the limit plate is contacted with the support, the transverse screw is rotated by transverse motor drive, the sliding table is moved transversely, the ejector pin is moved transversely with the sliding table, and the longitudinal screw is rotated by longitudinal motor drive, the sliding plate is moved longitudinally, the ejector pin is moved longitudinally with the sliding plate, the ejector pin can be moved to the above of any LED lamp bead on the support, the material lifting air cylinder is started after the ejector pin is moved to the position of defective product directly above, the piston rod of the material lifting air cylinder is elongated, the sliding block is lowered, the ejector pin is lowered, the ejector pin is contacted with the LED on the support after the ejector pin is contacted with the LED on the support, the LED lamp bead is separated from the support, and the cycle operation is carried out, the limit air cylinder is started after the defective product LED lamp bead on the support is all rejected, the piston rod of the limit air cylinder is shortened, the support reaches the conveying rope again, the support is conveyed again by the conveying rope, the lamp bead on the support is separated from the support after the support is moved to between the threshing roller and the support roller, the lamp bead can be separated from the support by the threshing roller extruding the lamp bead on the support, the lamp bead on the support can be separated from the support after the defective product on the support is rejected by the device, and the lamp bead on the support is separated from the support.

[0008] Preferably, the limit plate is also fixed with material frame above. The defective product lamp bead is collected by the material frame.

[0009] Preferably, the support roller is also uniformly fixed with a plurality of support strips surrounding the support roller. The support is supported by the support strip, and the support strip is contacted with the support between adjacent lamp beads, so that the lamp bead is prevented from being hindered when being extruded.

[0010] Preferably, a plurality of slide rods are fixed on the bottom plate on both sides of the threshing shaft, positioning plates are arranged on both sides of the threshing shaft, the slide rods pass through the positioning plates and are in sliding connection with the positioning plates, the threshing shaft is arranged on the positioning plates in the corresponding positions and is in rotary connection with the positioning plates, positioning blocks are fixed on the top of the slide rods, and springs in compressed state are fixed between the positioning blocks and the positioning plates. The positioning plates are compressed by the springs to realize the compression of the lamp beads on the support frame.

[0011] Preferably, a material tray is further fixed on the bottom plate on one side of the threshing roller. The threshed lamp beads fall on the material tray and are collected.

[0012] Compared with the prior art, the present application has the following advantages:

[0013] The device can realize the rejection of defective lamp beads after CCD visual detection, and separate the lamp beads on the support frame from the support frame after the rejection of defective lamp beads on the support frame. BRIEF DESCRIPTION OF DRAWINGS

[0014] The specific embodiments of the present application will be further described in detail below with reference to the accompanying drawings.

[0015] Figure 1 It is a structural schematic view of the present application;

[0016] Figure 2 It is another angle structural schematic view of the present application;

[0017] Figure 3 It is Figure 2 It is an enlarged view of A in the middle;

[0018] Figure 4 It is Figure 2 It is an enlarged view of B in the middle;

[0019] In the drawings: 1, bottom plate; 2, rack; 3, conveying shaft; 4, conveying motor; 5, conveying wheel; 6, conveying rope; 7, transverse motor; 8, transverse screw; 9, sliding table; 10, longitudinal motor; 11, longitudinal screw; 12, sliding plate; 13, material lifting air cylinder; 14, material tray; 15, sliding block; 16, ejector pin; 17, limiting air cylinder; 18, limiting plate; 19, threshing motor; 20, supporting roller; 21, supporting strip; 22, threshing shaft; 23, threshing roller; 24, slide rod; 25, positioning plate; 26, positioning block; 27, spring; 28, material frame; 29, support frame; DETAILED DESCRIPTION

[0020] The embodiments of the present application will be described in detail below with reference to the accompanying drawings:

[0021] Example 1:

[0022] As Figures 1 to 4As shown, the embodiment discloses a kind of rejecting devices of sorting machine, including bottom plate 1, machine frame 2 is fixed on bottom plate 1, both sides of machine frame 2 are provided with conveying shaft 3, one of conveying shaft 3 is fixed with conveying motor 4 output end, both sides of two conveying shaft 3 are fixed with conveying wheel 5, the conveying wheel 5 of corresponding position on two conveying shaft 3 is around by conveying rope 6, limiting cylinder 17 is also fixed on the bottom plate 1 between two conveying ropes 6, the piston rod end of limiting cylinder 17 is fixed with limiting plate 18, transverse motor 7 is also fixed on machine frame 2, the output end of transverse motor 7 is fixed with transverse screw 8, the sliding table 9 of being provided with with transverse screw 8 screw connection is set on transverse screw 8, longitudinal motor 10 is fixed on sliding table 9, the output end of longitudinal motor 10 is fixed with longitudinal screw 11, the sliding plate 12 of being provided with with longitudinal screw 11 screw connection is set on longitudinal screw 11, ejector cylinder 13 is fixed on sliding plate 12, the piston rod end of ejector cylinder 13 is fixed with sliding block 15, sliding block 15 bottom is also fixed with ejector pin 16, the machine frame 2 of conveying rope 6 end is also provided with support shaft, support shaft is driven to rotate by threshing motor 19, support roller 20 is also fixed on support shaft, threshing shaft 22 is also set above support roller 20, threshing roller 23 is also fixed on threshing shaft 22.The LED lamp bead support 29 of whole board is conveyed to the machine frame 2 between bottom plate 1 after CCD vision detection, and by the drive of conveying motor 4, conveying shaft 3 is rotated, conveying rope 6 is rotated, after support 29 moves to the above of limiting plate 18 with conveying rope 6, limiting cylinder 17 is started, the piston rod of limiting cylinder 17 is elongated, limiting plate 18 is lifted, after limiting plate 18 is contacted with support 29, support 29 is lifted, by the drive of transverse motor 7, transverse screw 8 is rotated, sliding table 9 moves laterally, ejector pin 16 moves laterally with sliding table 9, and by the drive of longitudinal motor 10, longitudinal screw 11 is rotated, sliding plate 12 moves longitudinally, ejector pin 16 moves longitudinally with sliding plate 12, can realize that ejector pin 16 moves to the above of any LED lamp bead on support 29, when ejector pin 16 moves to the above of defective position, ejector cylinder 13 is started, the piston rod of ejector cylinder 13 is elongated, sliding block 15 is lowered, ejector pin 16 is lowered, after ejector pin 16 is contacted with LED on support 29, push LED lamp bead and separate from support 29, cycle operation, when defective LED lamp bead on support 29 is all rejected, limiting cylinder 17 is started, the piston rod of limiting cylinder 17 is shortened, support 29 reaches conveying rope 6 again above, by conveying rope 6, support 29 is conveyed again, after support 29 moves to between threshing roller 23 and support roller 20, by threshing roller 23, lamp bead on support 29 is extruded, lamp bead and support 29 are separated, the device can realize that lamp bead after CCD vision detection is rejected, after defective lamp bead on support 29 is rejected, lamp bead on support 29 and support 29 are separated.

[0023] Wherein, material frame 28 is also fixed above limiting plate 18.Defective lamp bead is collected by material frame 28.

[0024] The support roller 20 is also uniformly fixed with a plurality of support strips 21 surrounding the support roller 20. The support strips 21 support the support frame 29, and the support strips 21 are in contact with the support frame 29 between adjacent lamp beads, so as to avoid the lamp beads from being blocked when being pressed.

[0025] The bottom plate 1 on the two sides of the threshing shaft 22 is also fixed with a plurality of slide rods 24, and the two sides of the threshing shaft 22 are provided with positioning plates 25. The slide rods 24 pass through the positioning plates 25 and are in sliding connection with the positioning plates 25. The end of the threshing shaft 22 is arranged on the corresponding positioning plate 25 and is in rotary connection with the positioning plate 25. The top of each slide rod 24 is fixed with a positioning block 26, and the positioning block 26 is fixed with a spring 27 in a compressed state between the positioning block 26 and the positioning plate 25. The spring 27 is used for pressing the positioning plate 25 to press the lamp beads on the support frame 29.

[0026] Embodiment 2:

[0027] The embodiment discloses a sorting machine removing device. On the basis of the structure and principle of embodiment 1, the bottom plate 1 on one side of the threshing roller 23 is also fixed with a material tray 14. The threshed lamp beads fall on the material tray 14 for collection.

[0028] The above is only the preferred embodiment of the present application. It should be noted that for ordinary skilled in the art, without departing from the technical principles of the present application, various changes, modifications, replacements and variations can be made to the embodiments. These changes, modifications, replacements and variations should also be considered as the protection scope of the present application.

Claims

1. A rejector for an optical character recognition machine, comprising a base plate, wherein, The bottom plate is fixed with a rack, both sides of the rack are provided with conveying shafts, one of the conveying shafts is fixed with a conveying motor output end, both conveying shafts are fixed with conveying wheels on both sides, the conveying wheels on the corresponding positions of the two conveying shafts are connected through conveying ropes, a limiting cylinder is further fixed on the bottom plate between the two conveying ropes, the piston rod end of the limiting cylinder is fixed with a limiting plate, a transverse motor is further fixed on the rack, the output end of the transverse motor is fixed with a transverse screw rod, the transverse screw rod is provided with a sliding table which is threadedly connected with the transverse screw rod, a longitudinal motor is fixed on the sliding table, the output end of the longitudinal motor is fixed with a longitudinal screw rod, the longitudinal screw rod is provided with a sliding plate which is threadedly connected with the longitudinal screw rod, a material lifting cylinder is fixed on the sliding plate, the piston rod end of the material lifting cylinder is fixed with a sliding block, the bottom of the sliding block is further fixed with a ejector pin, a support shaft is further arranged on the rack at the end of the conveying rope, the support shaft is driven to rotate by a threshing motor, a support roller is further fixed on the support shaft, a threshing shaft is further arranged above the support roller, and a threshing roller is further fixed on the threshing shaft.

2. The reject apparatus of claim 1 wherein, The limiting plate is further fixed with a material frame.

3. The reject apparatus of claim 1 wherein, A plurality of support strips which surround the support roller are uniformly fixed on the support roller.

4. The rejector device of claim 1, wherein, A plurality of slide rods are further fixed on the bottom plate on both sides of the threshing shaft, positioning plates are arranged on both sides of the threshing shaft, the slide rods pass through the positioning plates and are slidably connected with the positioning plates, the end of the threshing shaft is arranged on the corresponding positioning plate and is rotatably connected with the positioning plate, positioning blocks are fixed on the top of the slide rods, and springs in the compressed state are fixed between the positioning blocks and the positioning plates.

5. The rejector device of claim 1, wherein, A material disc is further fixed on the bottom plate on one side of the threshing roller.