Automatic loading and detecting production system for carbon rods and method for automatic loading and detecting and replacing defective products

Abstract

This invention relates to the field of carbon rod production technology, specifically to an automated carbon rod loading and inspection production system and method. It includes: a stacking device with a vibrating platform and a pushing module on a stacking rack; after the loading box is placed on the vibrating platform, its bottom plate is removed; the pushing module flattens the stacked carbon rods; a loading device uses a robotic arm to transfer the stacked loading box to a conveyor belt, which then moves the box to an inspection device; an inspection device including two symmetrically arranged flattening modules; visual inspection devices on both sides visually inspect the front and back of the carbon rods, sending the coordinates of defective products to a discharge module; the discharge module discharges the defective products and refills the empty spaces with good products; a boxing device transfers the carbon rods from the loading box into a packaging box, completing the automated boxing; and a controller electrically connected to the above devices to control the operating status. This production system efficiently removes defective products and has high boxing efficiency.

Description

Technical Field

[0001] This invention relates to the field of carbon rod production technology, specifically to an automatic carbon rod loading and inspection production system and an automatic loading, defective product inspection and replacement method. Background Technology

[0002] The production of carbon rods is essentially a powder metallurgy process, involving complex steps such as crushing, grinding, batching, mixing, molding, calcination, graphitization (if required), and machining. The sintered product is inherently fragile (low mechanical strength) and easily breaks when handled manually. Secondly, there is poor consistency in the incoming materials (variations in size / appearance).

[0003] Currently, many small and medium-sized factories still operate entirely manually. Workers grab a handful of carbon rods (some only a few millimeters in diameter) from a large bin, roughly aligning them by hand or on a workbench. Under illumination, workers visually inspect each rod for cracks, bubbles, chips, or other defects. Defective products are removed and placed in a waste bin. Good products are manually counted and neatly stacked into cardboard or tin boxes. Disadvantages: Extremely low efficiency: It takes several minutes for a single person to process one box. High cost, labor-intensive, and low output per person. Unstable quality: Manual inspection is affected by fatigue, mood, and lighting conditions, leading to high rates of missed inspections and misjudgments, making it impossible to guarantee consistent quality. Prone to damage: Collisions are inevitable during manual handling, sorting, and stacking, causing new damage to products that were originally good.

[0004] Some companies introduce simple mechanical equipment in certain processes, but the core role of humans still remains crucial. For example, vibratory feeder loading uses a vibratory feeder in conjunction with a linear vibrator to automatically align messy carbon rods and transport them onto a track. Simple visual inspection involves installing one or two cameras above the track to photograph and identify the passing carbon rods. The system will issue an audible and visual alarm to indicate defective products, or use a simple air blowing device to blow them off. Manual assisted boxing: even after inspection, good products still need to be manually picked up and boxed by workers. Summary of the Invention

[0005] The technical problem to be solved by this invention is to overcome the shortcomings and defects mentioned in the background art above, and to provide an automatic carbon rod loading and inspection production system and an automatic loading, defective product inspection and replacement method that can efficiently remove defective products and has high boxing efficiency. To solve the above technical problem, the technical solution proposed by this invention is as follows:

[0006] An automated carbon rod loading and testing production system includes: A stacking device includes a rack for placing a loading box containing carbon rods; the loading box is a box with a removable bottom plate for accommodating multiple carbon rods; the rack is equipped with a vibration platform and a pushing module, and the bottom plate is removed after the loading box is placed on the vibration platform; the pushing module is used to flatten the carbon rods stacked in the loading box from the front, and in conjunction with the vibration platform, to make the carbon rods in the loading box stacked neatly; The feeding device uses a robotic arm to transfer the stacked material boxes to the conveyor belt, and then moves the material boxes to the detection device via the conveyor belt; The inspection device includes two symmetrically arranged flattening modules that flatten the two sides of the carbon rod in the transferred material box again before conveying it between two vision inspection devices; the two vision inspection devices visually inspect the front and back of the carbon rod to identify the coordinates of defective products. The material discharge module is used to receive the coordinates of the defective products and to remove the defective products and fill the good products in the material box. The cartoning device uses a gripping mechanism to grab the carbon rod filling box that has been replenished with good products and place it into the packaging box module. The gripping mechanism then inserts the filling box into the packaging box and pulls the filling box out, transferring the carbon rod from the filling box into the packaging box, thus completing the automatic cartoning of the carbon rod. The controller is electrically connected to the stacking device, feeding device, detection device, discharging module and cartoning device, and is used to control the working status.

[0007] In one embodiment, the discharge module includes a push tube and a good product replenishment mechanism arranged coaxially opposite each other; the good product replenishment mechanism includes a good product slot for storing good products, an elastic support head for clamping and conveying a single good product, and a cylinder or linear module for driving the elastic support head. When discharging defective products, the push tube moves to the coordinates of the defective product and uses the tube wall to abut against and constrain the good products around the defective product to form a stable working area; the elastic support head clamps a good product and inserts it into the push tube along the axis, pushes the good product to push the defective product out from the other end of the push tube and remove it, and makes the good product occupy the original position of the defective product.

[0008] In one embodiment, the elastic support head includes a flexible tubular body with a plurality of axially extending slits at the working end of the tubular body to form a plurality of radially elastic clamping arms for expanding and clamping the good product when inserted into the gap of the carbon rod.

[0009] In one embodiment, the visual inspection device is an area scan camera, and the area scan camera is equipped with dust extraction heads on both the top and bottom sides.

[0010] In one embodiment, the boxing device includes a lifting structure and a packaging box, the lifting structure being used to rotate the packaging box from a flat position to an upright position; The gripping mechanism inserts the filling box into the packaging box, and then lowers it through the lifting structure. The gripping mechanism follows, and then the lifting module pauses. The gripping mechanism then pulls out the filling box and places it in the filling box stacking position.

[0011] In one embodiment, a side-pull suction cup is fixedly provided on the opposite side of the packaging box for opening the packaging box.

[0012] In one embodiment, a palletizing device is also included, wherein the carbon rods are automatically boxed and then transported to the palletizing device for orderly palletizing and stacking.

[0013] In one embodiment, the filling box is a rectangular or square iron box, the bottom plate of the filling box can be pulled out along the sliding groove provided on the side wall, and the packaging box is a cardboard box.

[0014] Based on the same inventive concept, an automatic feeding and defective product detection and replacement method is also provided, including: Place the loading box containing carbon rods on the vibration platform and remove the bottom plate of the loading box. Use the pushing module to flatten the carbon rods in the loading box from the front and combine with the vibration platform to make the carbon rods in the loading box stack neatly. The completed material boxes are transferred to the conveyor belt by a robotic arm, and then moved to the detection device by the conveyor belt. The front and back of the carbon rod are visually inspected by visual inspection devices on both sides, the coordinates of defective products are marked, and the coordinates of defective products are sent to the discharge module. The discharge module discharges the defective products and refills the empty spaces with good products. The gripping mechanism of the cartoning device grips the replenished carbon rod filling box and places it into the packaging box module. After the gripping mechanism inserts the filling box into the packaging box, the filling box is pulled out, and the carbon rod is transferred from the filling box into the packaging box, thus completing the automatic cartoning of the carbon rod.

[0015] Compared with existing technologies, the advantages of this invention are as follows: The stacking device adopts a combination of "vibration platform + pushing module" to arrange the messy carbon rods in an orderly manner in two steps. The bottom plate of the loading box can be removed, allowing subsequent leveling and inspection to be carried out in a fixed, open container (the loading box with only the four-sided frame remaining), greatly simplifying the difficulty of the robotic arm's material handling and avoiding interference problems when retrieving materials from deep boxes. After the bottom plate is removed, the loading box becomes a stable open frame. This allows the pushing module to perform leveling operations more effectively from below or the side; it provides an unobstructed shooting path for the visual inspection devices on both sides, enabling comprehensive inspection of both sides of the carbon rods; it provides a working space for the subsequent material discharge module to directly identify the carbon rod rows, completing precise rejection and replacement. In the boxing process, using the bottomless loading box as a transition container, the carbon rods can be smoothly and integrally slid into the packaging box under gravity through simple insertion and relative lifting movements. This system achieves truly zero-contact carbon rod packaging, perfectly adapting to the brittle nature of carbon rods. Employing symmetrical visual inspection devices on both sides, it simultaneously inspects both sides of the carbon rod, ensuring inspection accuracy and significantly reducing the missed detection rate. The visual inspection device not only identifies defective products but also accurately obtains their coordinate positions. The material discharge module not only removes defective products but also simultaneously refills the empty spaces with good products. This ensures the integrity of the final packaging, something that equipment that simply removes defective products cannot achieve. It ensures that production is not interrupted or requires additional material replenishment due to material shortages. In the cartoning device, a gripping mechanism coordinates the material box and the packaging box, and a lifting mechanism provides a certain tilt angle, allowing the carbon rods to fall naturally and without damage into the packaging box. This effectively avoids the damage that may be caused by directly gripping small carbon rods, achieving "non-destructive cartoning." Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a three-dimensional structural diagram of an automatic carbon rod loading and testing production system according to one embodiment; Figure 2 This is a top view schematic diagram of an automatic carbon rod loading and testing production system according to one embodiment. Figure 3 This is a schematic diagram of the stacking device structure of an automatic carbon rod loading and testing production system according to one embodiment. Figure 4 This is a schematic diagram of the feeding transfer position structure of the feeding device of the automatic carbon rod feeding and testing production system according to one embodiment. Figure 5 This is a schematic diagram of the detection device structure of an automatic carbon rod loading and detection production system according to one embodiment. Figure 6 This is a schematic diagram of the structure of a visual inspection device in an automatic carbon rod loading and inspection production system according to one embodiment. Figure 7 This is a schematic diagram of the material discharge module structure of an automatic carbon rod loading and testing production system according to one embodiment; Figure 8 This is a schematic diagram of the packaging device structure of an automatic carbon rod feeding and testing production system according to one embodiment. Figure 9 This is a schematic diagram of the three-dimensional gripping mechanism of an automatic carbon rod loading and testing production system according to one embodiment. Figure 10 This is a schematic diagram showing good and defective products in one implementation method.

[0018] Reference numerals: 1: Stacking device; 2: Feeding device; 3: Detection device; 4: Cartoning device; 5: Palletizing device; 6: Controller; 10: Placement rack; 11: Vibration platform; 12: Pushing module; 13: Filling box; 20: Robotic arm; 21: Conveyor belt; 30: Flattening module; 31: Vision inspection device; 32: Dust extraction head; 33: Discharge module; 34: Discharge frame; 35: Pushing pipe; 36: Good product replenishment mechanism; 37: Elastic support head; 38: Good product trough; 39: Defective product unloading box; 40: Gripping mechanism; 41: Packaging box; 42: Lifting structure; 43: Side pull suction cup. 100: Paper box packaging machine. Detailed Implementation

[0019] To facilitate understanding of the present invention, the present invention will be described more fully and in detail below with reference to the accompanying drawings and preferred embodiments, but the scope of protection of the present invention is not limited to the following specific embodiments.

[0020] Unless otherwise defined, all technical terms used herein have the same meaning as commonly understood by those skilled in the art. The technical terms used herein are for the purpose of describing particular embodiments only and are not intended to limit the scope of the invention.

[0021] Unless otherwise specified, all raw materials, reagents, instruments and equipment used in this invention can be purchased from the market or prepared by existing methods.

[0022] Please see Figure 1-10An automatic carbon rod loading and testing production system according to one embodiment mainly includes a stacking device 1, a feeding device 2, a testing device 3, a discharging module 33, a boxing device 4, a palletizing device, and a controller. Specifically, the stacking device 1 includes a placement rack 10 for placing loading boxes 13 containing carbon rods; the loading box 13 is a box with a removable bottom plate for accommodating multiple carbon rods. The placement rack 10 is equipped with a vibration platform 11 and a pushing module 12. After the loading box 13 is placed on the vibration platform 11, the bottom plate is removed. The pushing module 12 is used to flatten the carbon rods stacked in the loading box from the front, and in conjunction with the vibration platform 11, to make the carbon rods in the loading box 13 stacked neatly; after the loading box 13 is placed on the vibration platform 11, the bottom plate is removed. The feeding device 2 uses a robotic arm 20 to transfer the stacked loading box 13 to a conveyor belt 21, and then moves the loading box 13 to the testing device 3 via the conveyor belt 21. The detection device 3 includes two symmetrically arranged flattening modules 30, which flatten the two sides of the carbon rods in the loading box 13 and then convey them between two vision detection devices 31. The vision detection devices 31 visually inspect the front and back of the carbon rods and send the coordinates of defective products to the discharge module 33. The discharge module 33 receives the coordinates of the defective products and removes the defective products and fills the loading box 13 with good products. The boxing device 4 uses a gripping mechanism 40 to grip the loading box 13 with the replenished good carbon rods and place it into the boxing module. The gripping mechanism 40 fits the loading box 13 into the packaging box 41 and then pulls it out. The carbon rods are transferred from the loading box 13 into the packaging box 41, completing the automatic boxing of the carbon rods. The controller is electrically connected to the stacking device 1, the feeding device 2, the detection device 3, the discharge module, and the boxing device 4 to control the working status. Specifically, in one embodiment, a palletizing device 5 is also included, wherein the carbon rods are automatically boxed and then transported to the palletizing device 5 for orderly palletizing and stacking.

[0023] Specifically, in one embodiment, the discharge module 33 includes a push tube 35 disposed on the discharge frame 34 and a good product replenishment mechanism 36 disposed corresponding to the push tube 35. The good product replenishment mechanism 36 is coaxially disposed with the push tube 35 and includes a good product slot 38 for storing good products, an elastic support head 37 for clamping and conveying a single good product, and a cylinder or linear module for driving the elastic support head 37. When discharging defective products, the push tube 35 moves to the coordinates of the defective product, and the tube wall of the push tube 35 abuts against and constrains the good products around the defective product to form a stable working area; the elastic support head 37 clamps a good product and inserts it axially into the push tube 35, pushing the good product to push the defective product out from the other end of the push tube 35 and remove it, and the good product occupies the original position of the defective product. The above process is repeated until the entire box of products consists of good products.

[0024] In the above structure and operation, when the push tube 35 is working, its wall abuts against the products attached to the defective product. The push tube 35 first fixes six (or more) products around the target defective product, establishing a stable working area. In a densely packed array, directly pushing a product can easily cause surrounding products to shift, tilt, or even collide and be damaged. By using its wall to abut against six (or more) products around the target defective product, the push tube 35 avoids disturbing or damaging surrounding good products during the rejection process. The elastic support head 37 is inserted into the good products, aligning them with the defective product and pushing it towards it, ultimately using the good product to occupy the original position of the defective product. This achieves simultaneous completion of rejecting defective products and filling in good products. This is the core of the invention, fundamentally ensuring a constant number of products in the tin box, meeting the core requirement of "no shortage of materials." Combining the two operations (rejection and filling) into a single continuous action shortens cycle time and improves production efficiency. The flexible support head 37 is preferably made of flexible materials such as springs or polyurethane, providing cushioning and preventing rigid impacts from causing crushing, chipping, or cracking of the product end face. The flexible design can tolerate minor deviations in product size and position, ensuring reliable pushing action even under less than ideal conditions, thus improving the robustness of the equipment.

[0025] Preferably, the elastic support head 37 includes a flexible tubular body. The working end of this tubular body has multiple axially extending slits, forming multiple radially elastic clamping arms for expanding and clamping good products when inserted into the gaps between carbon rods. Specifically, when the visual inspection device 31 reaches the coordinates of the defective product, the discharge module 33 drives the push tube 35 to move, ensuring its opening precisely covers the target defective product. Simultaneously, the wall of the push tube 35 abuts against and constrains the closely arranged good products surrounding the defective product, forming a stable "working area" to prevent displacement of surrounding products in subsequent actions.

[0026] The good product replenishment mechanism 36 releases a good carbon rod, causing it to fall and be guided into the tubular body of the elastic support head 37. The elastic clamping arm at the front end of the elastic support head 37 retracts, reliably clamping the good product. Subsequently, the elastic support head 37, carrying the clamped good product, moves along the axis toward the push tube 35. Its front clamping arm precisely inserts into the gap between the defective product and the surrounding fixed good products inside the push tube 35. The elastic support head 37 continues to advance, pushing the clamped good product into the inner cavity of the push tube 35 and directly acting on the end of the defective product.

[0027] Under the continuous push of the good product, the defective product is ejected from the other end of the push tube 35 and falls into the defective product unloading bin 39. At the same time, the pushed good product occupies the position of the original defective product in the loading box array. After that, the elastic support head 37 stops advancing and releases the clamping force, its clamping arm elastically recovers, disengages from the good product, and then returns to the ready position.

[0028] Preferably, the visual inspection device 31 is an area scan camera or a monochrome camera, with dust extraction heads 32 mounted on both the top and bottom sides of the area scan camera. The carbon rod production environment is dusty, and floating carbon powder can contaminate the camera lens and light source surface, leading to blurred images, uneven brightness, and spots, thus causing misjudgments. The dust extraction heads 32 create a continuous air curtain or negative pressure zone between the camera and the product, effectively preventing dust adhesion. Carbon rods are typically black, and their defects (cracks, pits) are mainly manifested as changes in grayscale, texture, and shape, rather than color differences. Monochrome cameras are lower in cost, higher in sensitivity, and faster in image processing at the same resolution. Area scan cameras can easily acquire two-dimensional images of the entire end face or side for defect analysis.

[0029] Preferably, in one embodiment, the cartoning device 4 includes a lifting structure 42 and a packaging box 41. The lifting structure 42 is used to rotate the packaging box 41 from a flat position to a vertical position. The gripping mechanism 40 inserts the filling box 13 into the packaging box 41, and then lowers it through the lifting structure 42. The gripping mechanism 40 follows the movement, and then the lifting module pauses. The gripping mechanism 40 then pulls out the filling box 13 and places it in the filling box 13 stacking position.

[0030] The gripping mechanism 40 never directly grasps individual carbon rods with a robotic arm. Instead, it consistently uses the material container 13 as a carrier. When the bottomless material container is placed inside the tilted packaging box, the carbon rods fall gently and neatly into the box as the gripping mechanism rises or the box descends. This avoids the scratches, crushing, or breakage that could occur when grippers or suction cups handle small, brittle carbon rods. As the material container 13 descends within the cardboard box, the carbon rods naturally and smoothly slide from the metal box to the bottom of the cardboard box under gravity. This is a low-speed, controllable process, avoiding collisions and damage caused by high-speed tipping. Lifting, rotating, and following actions are mostly accomplished by cylinders, motors, and linkage mechanisms. These mechanisms are technologically mature, highly reliable, and have a low failure rate, making them suitable for long-term, high-intensity operation in industrial environments.

[0031] Preferably, in one embodiment, the gripping mechanism 40 is a four-axis robotic arm.

[0032] Preferably, in one embodiment, a side-pull suction cup 43 is fixedly provided on the opposite side of the packaging box 41 to open the packaging box 41 so that the filling box 13 can be placed inside.

[0033] After being automatically boxed, the carbon rods are transported to the palletizing station for orderly stacking.

[0034] Preferably, the filling box 13 is a rectangular or square iron box, and the packaging box 41 is a cardboard box. The rectangular or square iron box 13 can withstand the vibration of the vibration platform 11, the squeezing of the pushing module 12, the clamping of the pressing module, and the repeated gripping of the robot arm 20, making it less prone to deformation and damage, and ensuring a long service life. It provides robust protection for the brittle carbon rods inside during intense material handling and transportation. The regular rectangular / square edges are easily identified and positioned by vision sensors or mechanical positioning pins, which is crucial for high-precision, repeatable docking at assembly lines, inspection stations, and boxing stations. The grippers of the robot arm 20 can easily and stably grasp the straight edges of the iron box, ensuring the reliability of the transportation process. The rigid structure of the iron box allows for the "removal of the bottom plate." After removing the bottom plate, the iron box becomes a sturdy "frame," creating ideal conditions for subsequent leveling, inspection, and non-destructive unloading. The cost of cardboard boxes is far lower than that of iron boxes. As a single-use final packaging, using cardboard boxes can significantly reduce the packaging cost per box of product. A 100-speed paper box packaging machine can automatically fold flat cardboard into three-dimensional paper boxes, achieving a high degree of automation integration. The surface of the paper boxes is easy to print with trademarks, brands, specifications, and other information, making them ideal as final packaging boxes.

[0035] This invention also provides an automatic feeding, defective product detection, and replacement method using an automatic carbon rod feeding and inspection production system, comprising: S10. Place the loading box 13 containing carbon rods on the vibration platform 11 and remove the bottom plate of the loading box. Use the pushing module 12 to flatten the carbon rods in the loading box 13 from the front and combine with the vibration platform 11 to make the carbon rods in the loading box 13 stacked neatly. S20. The stacked material box 13 is transferred to the conveyor belt 21 by the robot arm 20, and the material box 13 is moved to the detection device 3 by the conveyor belt 21. S30. Visual inspection of the front and back of the carbon rod is performed by the visual inspection devices 31 on both sides. The coordinates of the defective products are sent to the discharge module 33. The discharge module 33 discharges the defective products and refills the good products into the empty spaces. S40. The gripping mechanism 40 of the boxing device 4 grips the replenished carbon rod filling box 13 and places it into the boxing module of the packaging box 41. After the gripping mechanism 40 inserts the filling box 13 into the packaging box 41, the filling box 13 is pulled out and the carbon rod is transferred from the filling box 13 into the packaging box 41, thus completing the automatic boxing of the carbon rod.

[0036] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structural or procedural transformations made based on the content of the present invention specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of the present invention.

Claims

1. An automated carbon rod loading and testing production system, characterized in that, include: A stacking device, including a stacking rack for holding a container of carbon rods; The loading box is a box with a removable bottom plate, used to hold multiple carbon rods; the placement rack is equipped with a vibration platform and a pushing module, and the bottom plate is removed after the loading box is placed on the vibration platform; The pushing module is used to flatten the carbon rods stacked in the loading box from the front, and in conjunction with the vibration platform, to make the carbon rods in the loading box stacked neatly. The feeding device uses a robotic arm to transfer the stacked material boxes to the conveyor belt, and then moves the material boxes to the detection device via the conveyor belt; The inspection device includes two symmetrically arranged flattening modules that flatten the two sides of the carbon rod in the transferred material box again before conveying it between two vision inspection devices; the two vision inspection devices visually inspect the front and back of the carbon rod to identify the coordinates of defective products. The material discharge module is used to receive the coordinates of the defective products and to remove the defective products and fill the good products in the material box. The cartoning device uses a gripping mechanism to grab the carbon rod filling box that has been replenished with good products and place it into the packaging box module. The gripping mechanism then inserts the filling box into the packaging box and pulls the filling box out, transferring the carbon rod from the filling box into the packaging box, thus completing the automatic cartoning of the carbon rod. The controller is electrically connected to the stacking device, feeding device, detection device, discharging module and cartoning device, and is used to control the working status.

2. The automatic carbon rod loading and testing production system according to claim 1, characterized in that, The material discharge module includes a push tube and a good product replenishment mechanism arranged coaxially opposite each other; the good product replenishment mechanism includes a good product slot for storing good products, an elastic support head for clamping and conveying a single good product, and a cylinder or linear module for driving the elastic support head. When discharging defective products, the push tube moves to the coordinates of the defective product and uses the tube wall to abut against and constrain the good products around the defective product to form a stable working area; the elastic support head clamps a good product and inserts it into the push tube along the axis, pushes the good product to push the defective product out from the other end of the push tube and remove it, and makes the good product occupy the original position of the defective product.

3. The automatic carbon rod loading and testing production system according to claim 2, characterized in that, The elastic support head includes a flexible tubular body with multiple axially extending slits at the working end of the tubular body, forming multiple radially elastic clamping arms for expanding and clamping the good product when inserted into the gap of the carbon rod.

4. The automatic carbon rod loading and testing production system according to claim 1, characterized in that, The visual inspection device is an area array camera, and dust extraction heads are installed on both the top and bottom sides of the area array camera.

5. The automatic carbon rod loading and testing production system according to claim 1, characterized in that, The boxing device includes a lifting structure and a packaging box. The lifting structure is used to rotate the packaging box from a flat position to a vertical position. The gripping mechanism inserts the filling box into the packaging box, and then lowers it through the lifting structure. The gripping mechanism follows, and then the lifting module pauses. The gripping mechanism then pulls out the filling box and places it in the filling box stacking position.

6. The automatic carbon rod loading and testing production system according to claim 1, characterized in that, The packaging box is fixedly equipped with a side-pull suction cup on the opposite side for opening the packaging box.

7. The automatic carbon rod loading and testing production system according to claim 1, characterized in that, It also includes a palletizing device, which transports the carbon rods to the palletizing device for orderly palletizing and stacking after they are automatically boxed.

8. The automatic carbon rod loading and testing production system according to claim 1, characterized in that, The filling box is a rectangular or square iron box, and the bottom plate of the filling box can be pulled out along the sliding groove provided on the side wall. The packaging box is a cardboard box.

9. A method for automatic loading, defective product detection, and replacement using the automatic carbon rod loading and inspection production system according to claim 1, characterized in that, include: Place the loading box containing carbon rods on the vibration platform and remove the bottom plate of the loading box. Use the pushing module to flatten the carbon rods in the loading box from the front and combine with the vibration platform to make the carbon rods in the loading box stack neatly. The completed material boxes are transferred to the conveyor belt by a robotic arm, and then moved to the detection device by the conveyor belt. The front and back of the carbon rod are visually inspected by visual inspection devices on both sides, the coordinates of defective products are marked, and the coordinates of defective products are sent to the discharge module. The discharge module discharges the defective products and refills the empty spaces with good products. The gripping mechanism of the cartoning device grips the replenished carbon rod filling box and places it into the packaging box module. After the gripping mechanism inserts the filling box into the packaging box, the filling box is pulled out, and the carbon rod is transferred from the filling box into the packaging box, thus completing the automatic cartoning of the carbon rod.

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