CN119261358A - A fully automatic pad printing laser engraving detection device using machine vision algorithms - Google Patents
A fully automatic pad printing laser engraving detection device using machine vision algorithms Download PDFInfo
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- CN119261358A CN119261358A CN202411486904.XA CN202411486904A CN119261358A CN 119261358 A CN119261358 A CN 119261358A CN 202411486904 A CN202411486904 A CN 202411486904A CN 119261358 A CN119261358 A CN 119261358A
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- 238000007649 pad printing Methods 0.000 title claims abstract description 95
- 238000001514 detection method Methods 0.000 title claims abstract description 64
- 238000010147 laser engraving Methods 0.000 title claims abstract description 26
- 238000004519 manufacturing process Methods 0.000 claims abstract description 19
- 238000012545 processing Methods 0.000 claims abstract description 18
- 238000007639 printing Methods 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims description 74
- 238000010329 laser etching Methods 0.000 claims description 70
- 230000007246 mechanism Effects 0.000 claims description 34
- 238000012546 transfer Methods 0.000 claims description 28
- 230000033001 locomotion Effects 0.000 claims description 14
- 238000004140 cleaning Methods 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 10
- 238000007599 discharging Methods 0.000 claims description 10
- 230000000694 effects Effects 0.000 claims description 5
- 238000012840 feeding operation Methods 0.000 claims description 3
- 238000010023 transfer printing Methods 0.000 claims description 2
- 238000005530 etching Methods 0.000 claims 1
- 238000007689 inspection Methods 0.000 abstract description 7
- 238000011179 visual inspection Methods 0.000 abstract description 5
- 229920003023 plastic Polymers 0.000 abstract description 3
- 239000004033 plastic Substances 0.000 abstract description 3
- 230000000007 visual effect Effects 0.000 description 23
- 229910052705 radium Inorganic materials 0.000 description 6
- HCWPIIXVSYCSAN-UHFFFAOYSA-N radium atom Chemical compound [Ra] HCWPIIXVSYCSAN-UHFFFAOYSA-N 0.000 description 6
- 230000002950 deficient Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000012937 correction Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000004092 self-diagnosis Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 241000252254 Catostomidae Species 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 210000000707 wrist Anatomy 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
- B65G47/90—Devices for picking-up and depositing articles or materials
- B65G47/91—Devices for picking-up and depositing articles or materials incorporating pneumatic, e.g. suction, grippers
- B65G47/912—Devices for picking-up and depositing articles or materials incorporating pneumatic, e.g. suction, grippers provided with drive systems with rectilinear movements only
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
- B23K26/362—Laser etching
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F17/00—Printing apparatus or machines of special types or for particular purposes, not otherwise provided for
- B41F17/001—Pad printing apparatus or machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F33/00—Indicating, counting, warning, control or safety devices
- B41F33/0036—Devices for scanning or checking the printed matter for quality control
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/89—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles
- G01N21/892—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles characterised by the flaw, defect or object feature examined
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Optics & Photonics (AREA)
- Biochemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Plasma & Fusion (AREA)
- Textile Engineering (AREA)
- Quality & Reliability (AREA)
- Laser Beam Processing (AREA)
Abstract
本发明涉及塑料加工自动化设备的技术领域，尤其是涉及一种运用机器视觉算法的全自动移印镭雕检测设备，包括输送装置、上料装置、移印装置、镭雕装置、视觉检测装置、下料装置和控制系统，沿输送装置的输送方向依次安装有移印装置、镭雕装置和视觉检测装置，上料装置把工件放置于输送装置，使工件依次经过移印装置、镭雕装置和视觉检测装置，从而完成工件的印刷、镭雕和检测操作；下料装置安装于输送装置的末端，用于对操作完成的工件进行下料操作；控制系统控制该设备进行自动化的运转。综上所述，该设备通过集成移印、镭雕及自动检测功能，实现自动化生产，提高生产效率，减少人力成本，同时确保产品质量的稳定性和一致性。
The present invention relates to the technical field of plastic processing automation equipment, and in particular to a fully automatic pad printing and laser engraving detection equipment using a machine vision algorithm, including a conveying device, a loading device, a pad printing device, a laser engraving device, a visual inspection device, a unloading device and a control system. The pad printing device, the laser engraving device and the visual inspection device are sequentially installed along the conveying direction of the conveying device. The loading device places the workpiece on the conveying device, so that the workpiece passes through the pad printing device, the laser engraving device and the visual inspection device in sequence, thereby completing the printing, laser engraving and detection operations of the workpiece; the unloading device is installed at the end of the conveying device, and is used to unload the workpiece after the operation is completed; the control system controls the equipment to operate automatically. In summary, the equipment realizes automated production by integrating pad printing, laser engraving and automatic inspection functions, improves production efficiency, reduces labor costs, and ensures the stability and consistency of product quality.
Description
Technical Field
The invention relates to the technical field of automatic plastic processing equipment, in particular to full-automatic pad printing laser engraving detection equipment applying a machine vision algorithm.
Background
In the existing industrial production, pad printing and laser engraving are common surface treatment technologies, and are widely applied to a plurality of fields such as electronic plastics, toys, packaging and the like. However, most of the traditional pad printing and laser engraving equipment needs to be manually involved, so that the problems of low production efficiency, high labor cost, difficulty in ensuring product quality and the like exist, in addition, the inspection link also needs to be independently carried out, and the complexity and time cost of the production flow are increased.
The chinese patent document CN116001434a discloses a printing apparatus including a frame, a visual inspection device, a position correction device, a printing device, and a carrying device. The visual detection device is used for detecting the position direction of the product. The position correction device is in signal connection with the visual detection device and is used for adjusting the placement position and direction of the product. The printing device is used for carrying out process printing on the product. The handling device is used for moving the product to the printing device.
The invention discloses an automatic laser etching device and a control method thereof, as disclosed in China patent document with publication number of CN118123254A, and the automatic laser etching device comprises a workbench, a conveying belt, a position adjusting mechanism, a visual detection mechanism, a laser etching mechanism and a processor, wherein the conveying belt is arranged on the workbench, the position adjusting mechanism is arranged on one side of the conveying belt, the visual detection mechanism and the laser etching mechanism are arranged on the position adjusting mechanism, the conveying belt is used for conveying products to the positions below the visual detection mechanism and the laser etching mechanism, the visual detection mechanism is used for collecting product detection images and uploading the product detection images to the processor, the processor is used for generating position adjusting signals and laser etching signals according to the product detection images, transmitting the position adjusting signals to the position adjusting mechanism, and transmitting the laser etching signals to the laser etching mechanism, and the position adjusting mechanism is used for adjusting the position of the laser etching mechanism according to the position adjusting signals.
The technical problem that needs to be solved lies in how to provide a full-automatic pad printing radium carving check out test set of application machine vision algorithm, makes it can realize automated production flow through integrated pad printing, radium carving and automated inspection function, improves production efficiency, reduces the human cost, ensures product quality's stability and uniformity simultaneously.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a technical scheme capable of solving the problems.
The invention provides full-automatic pad printing laser etching detection equipment applying a machine vision algorithm, which comprises a working platen, a conveying device, a feeding device, a pad printing device, a laser etching device, a vision detection device, a discharging device and a control system, wherein the conveying device is arranged on the working platen, the pad printing device, the laser etching device and the vision detection device are sequentially arranged along the conveying direction of the conveying device, the feeding device is arranged at the starting end of the conveying device and is used for feeding a workpiece, the workpiece is placed in the conveying device, the workpiece sequentially passes through the pad printing device, the laser etching device and the vision detection device, so that printing, laser etching and detection of the workpiece are completed, the discharging device is arranged at the tail end of the conveying device and is used for discharging the workpiece after operation, and the control system is respectively connected with the conveying device, the feeding device, the pad printing device, the laser etching device, the vision detection device and the discharging device, so that the equipment is controlled to perform automatic operation.
The invention further provides a conveying device which is provided with a conveying support, a conveying motor, a conveying belt, a driving roller and a driven roller, wherein the conveying support and the conveying motor are respectively arranged on a working table board, an output shaft of the conveying motor is connected with the driving roller in a transmission way, the driving roller and the driven roller are respectively connected with the conveying support in a rotating way, two ends of the conveying belt are respectively sleeved on the driving roller and the driven roller, so that a belt conveying system is formed, a conveying base is fixedly connected on the conveying belt at a certain distance, and the conveying base is used for placing and conveying workpieces.
The workpiece clamping device comprises a conveying device, a workpiece clamping device, a workpiece moving device, a first moving support, a first moving cylinder, a first moving sliding table, a second moving support, a second moving cylinder, a second moving sliding table, a finger cylinder and a moving finger, wherein the workpiece clamping device is arranged above the conveying device, the workpiece clamping device is arranged on the working platen, the workpiece clamping device is used for placing a workpiece to be processed, the workpiece clamping device is used for moving the workpiece from a conveying base to the workpiece clamping device, the first moving support, the first moving sliding table, the second moving sliding table, the finger cylinder and the moving finger are fixedly connected to the conveying support, the first moving cylinder and the first moving sliding table are respectively arranged at the sliding block end of the first moving sliding table and are in transmission connection with the piston end of the first moving cylinder, the second moving cylinder and are respectively arranged at the second moving sliding block end of the second moving cylinder and in transmission connection with the piston end of the second moving cylinder, and the finger cylinder is arranged at the piston end of the finger cylinder and is used for clamping the workpiece.
The feeding device is further provided with a material box support, an empty box support and a feeding mechanical arm, wherein the material box support, the empty box support and the feeding mechanical arm are respectively arranged on an operation platen, the material box support and the empty box support are respectively used for placing a material box with a workpiece and taking the empty box with the workpiece, a gripper assembly is arranged at the movable end of the feeding mechanical arm, and the gripper assembly is used for gripping the material box or the workpiece, so that the feeding mechanical arm can move the material box or the workpiece.
The invention further provides a further scheme that the gripper assembly is provided with a gripper bracket and a first gripper part, wherein the gripper bracket is arranged at the movable end of the feeding mechanical arm; the first handle portion is equipped with first cylinder, first layer board and first sucking disc, first sucking disc is installed in first layer board, first layer board rigid coupling is in the piston end of first cylinder, first cylinder is installed in the upper portion of handle support, and the position that the handle support corresponds to first sucking disc is equipped with first through-hole to make first cylinder can drive first layer board downwardly moving, make first sucking disc pass first through-hole, adsorb snatch box body or lid.
The invention further provides a further scheme that the gripper assembly is provided with a gripper bracket and a second gripper part, the gripper bracket is arranged at the movable end of the feeding mechanical arm, the second gripper part is provided with a second supporting plate and a second sucking disc, the second supporting plate is arranged on the gripper bracket, and the second sucking disc is arranged on the second supporting plate and can absorb and grab a workpiece.
The invention further provides a technical scheme that the two groups of second gripper parts are symmetrically arranged on the gripper bracket respectively so as to absorb two workpieces simultaneously, the second gripper parts are also provided with gripper guide rails, gripper sliding blocks and second air cylinders, the second air cylinders and the gripper guide rails are fixedly connected to the lower parts of the gripper bracket respectively, the gripper sliding blocks and the gripper guide rails are matched with each other to form a linear motion system, and the second supporting plate is fixedly connected to the gripper sliding blocks and is in transmission connection with the piston ends of the second air cylinders so that the second air cylinders operate to drive the second supporting plate and the second suckers to perform linear motion along the gripper guide rails.
The invention further provides a pad printing device, which is provided with a pad printing support, a moving mechanism, a pad printing template, a pad printing head, an ink supply system and a cleaning system, wherein the pad printing head is arranged at the driving end of the moving mechanism so as to transfer a preset pattern on the pad printing template to the surface of a workpiece under the driving of the moving mechanism, the ink supply system is used for supplying required ink for the pad printing head and the pad printing template, and the cleaning system is used for cleaning the pad printing head and the pad printing template.
As a further scheme of the invention, the laser etching device is provided with a laser etching support, a laser etching linear module and a laser etching mechanism, wherein the laser etching support is arranged on a working table plate, the laser etching linear module is arranged on the laser etching support, and the laser etching mechanism is arranged on the driving end of the laser etching linear module, so that the laser etching mechanism is driven to move up and down for a certain distance, and under the control of a control system, automatic laser etching operation is carried out on a workpiece.
The visual detection device is provided with a detection support, a visual sensor and an image processing unit, wherein the detection support is arranged on a work platen, the visual sensor and the image processing unit are respectively arranged on the detection support, the visual sensor is used for carrying out image shooting on the pad printing and laser engraving effects on the surface of a workpiece, and the image processing unit is used for carrying out processing of a machine visual algorithm on the shot image, so that whether the quality of the pad printing and the laser engraving meets the production requirement or not is identified and judged.
Compared with the prior art, the invention has the beneficial effects that:
1. Through set up conveyor on the operation platen to transfer printing device, radium carving device and visual detection device are installed respectively in conveyor's direction of delivery in the integration, thereby carry out printing, radium carving and automated inspection operation to the work piece in proper order, realize automated production flow, improve production efficiency, reduce the human cost, ensure product quality's stability and uniformity simultaneously.
2. And the material moving device is arranged on the conveying device, so that the workpiece on the conveying base can be automatically taken and then placed on the corresponding workpiece jig, and subsequent printing, laser carving and detection operations are convenient to perform.
3. And the feeding mechanical arm is arranged, so that the feeding mechanical arm can respectively take and move the box cover, the box body and the workpiece of the material box, and the setting of moving parts is reduced. And through setting up the top at the tongs support to first tongs portion, make it can install the upper and lower part at same tongs support respectively with the second tongs, reduce the travel path of whole material loading arm to can reduce the debugging degree of difficulty of material loading arm, practice thrift the configuration cost of equipment.
4. Two groups of second handle parts which are symmetrically arranged are arranged on the handle support, so that the two groups of second handle parts can absorb and move two workpieces simultaneously, and a linear motion system is formed by the handle guide rail and the handle sliding block, so that the movement stability of the second sucker is optimized. And the control system can be used for synchronously operating the two groups of second cylinders, so that the two groups of second cylinders can symmetrically move two workpieces along the connecting point between the gripper bracket and the feeding mechanical arm, the gravity center of the gripper bracket is ensured to be kept stable, and the influence of the gripper bracket on the feeding mechanical arm is reduced.
Through the improvement, the invention can provide the full-automatic pad printing laser engraving detection equipment using the machine vision algorithm, so that the full-automatic pad printing laser engraving detection equipment can realize an automatic production flow through integrating pad printing, laser engraving and automatic detection functions, improve the production efficiency, reduce the labor cost and ensure the stability and consistency of the product quality.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall apparatus of the present invention;
FIG. 2 is a schematic structural view of a feeding device and a conveying device according to the present invention;
FIG. 3 is a schematic view of the structure of the gripper bracket and the first gripper portion of the present invention;
FIG. 4 is a schematic view of the structure of a second grip portion of the present invention;
FIG. 5 is a schematic diagram of a transporting device and a laser engraving device according to the present invention;
FIG. 6 is a schematic view of a material moving apparatus according to the present invention;
FIG. 7 is a schematic view of the pad printing apparatus of the present invention;
FIG. 8 is a schematic diagram of the visual inspection apparatus and the material transferring apparatus according to the present invention;
Fig. 9 is a schematic structural view of the blanking apparatus of the present invention.
Reference numerals and names in the drawings are as follows:
10 operation table plates, 11 workpiece jigs, 12 workpieces, 13 material boxes, 20 conveying devices, 21 conveying brackets, 22 conveying motors, 23 conveying belts, 24 driving rolls, 25 driven rolls, 26 conveying bases, 27 first sensors, 28 first sensing sheets, 29 second sensors, 30 material shifting devices, 31 first material shifting brackets, 32 first material shifting cylinders, 33 first material shifting sliding tables, 34 second material shifting brackets, 35 second material shifting cylinders, 36 second material shifting sliding tables, 37 finger cylinders, 38 material shifting fingers, 39 third material shifting cylinders, 40 material loading devices, 41 material box brackets, 42 empty box brackets, 43 material loading mechanical arms, 44 gripper brackets, 50 first gripper arms, 51 first air cylinders, 52 first gripper plates, 53 first suction cups, 54 second gripper arms, 55 second gripper arms, 56 second suction cups, 57 gripper guide rails, 58 gripper sliding blocks, 59 second air cylinders, 60 transfer devices, 61 transfer brackets, 62 moving mechanisms, 63 transfer heads, 64 transfer heads, 70 transfer laser devices, 70 transfer laser engraving devices, 71, laser engraving devices, 72, 80, 95, 80, and 80, 95, 96, 82, 95, and 80, 96, 95, and 80.
Detailed Description
The following description of the technical solutions in the embodiments of the present invention will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 9, in an embodiment of the present invention, a full-automatic pad printing laser etching detection apparatus using a machine vision algorithm includes a working frame, a conveying device 20, a feeding device 40, a pad printing device 60, a laser etching device 70, a vision detection device 80, a discharging device 90 and a control system, wherein the working frame is internally provided with a working platen 10, the conveying device 20 is arranged on the working platen 10, the pad printing device 60, the laser etching device 70 and the vision detection device 80 are sequentially arranged along a conveying direction of the conveying device 20, the feeding device 40 is arranged at a starting end of the conveying device 20, and is used for performing a feeding operation on a workpiece 12, placing the workpiece 12 on the conveying device 20, and sequentially passing the workpiece 12 through the pad printing device 60, the laser etching device 70 and the vision detection device 80, thereby completing printing, laser etching and detection operations on the workpiece 12, the discharging device 90 is arranged at an end of the conveying device 20, and the control system is respectively connected and controls the conveying device 20, the feeding device 40, the pad printing device 60, the laser etching device 70, the vision detection device 80 and the discharging device 80.
Specifically, the full-automatic pad printing laser etching detection equipment mainly comprises an operation rack, a pad printing device 60, a laser etching device 70, a visual detection device 80, a control system and an auxiliary device, wherein the devices are coordinated and linked through the control system to jointly complete the full-automatic production flow of pad printing, laser etching and automatic detection. The control system is a control center of the whole equipment, is preferably provided with a computer intelligent control production system in the prior art, is responsible for coordination and linkage among the systems, receives feedback signals of corresponding sensors and equipment devices, and simultaneously controls the automatic operation of the devices. Meanwhile, the control system also has a fault self-diagnosis function, and can give an alarm in time when equipment fails, and prompt reasons and a processing method.
The invention mainly has the following beneficial effects:
1. The production efficiency is improved:
Through integrated pad printing, radium carving and automated inspection function, realize automated production flow, reduced manual intervention, showing improvement production efficiency.
2. The labor cost is reduced:
And the full-automatic production process reduces the manpower demand and greatly reduces the manpower cost.
3. Ensuring the product quality:
The vision inspection device 80 can automatically perform machine vision algorithm inspection and judgment on the workpiece 12, can timely find and process quality problems, and ensures stability and consistency of product quality.
4. The stability of the equipment is improved:
the laser carving device 70 is further provided with a cooling system, and meanwhile, the control system is further provided with a fault self-diagnosis function, so that stability and reliability of equipment are improved.
The specific working steps of the equipment are as follows
1. The equipment is prepared by checking whether the devices and systems are in normal working state, and ensuring that the control system, the pad printing device 60, the laser engraving device 70 and the visual detection device 80 all operate normally without faults.
2. And (3) product feeding, namely placing the product of the workpiece 12 to be processed at the position of a material box bracket 41 appointed by equipment, so that a feeding mechanical arm 43 can grasp and move the workpiece 12 in the material box 13 into a conveying base 26 on a conveying device 20, and the conveying device 20 can sequentially move the workpiece 12 to a corresponding device for pad printing, laser etching and visual detection.
3. Pad printing operation the control system starts the pad printing device 60, and the pad printing head 64 is driven by the control system to perform pad printing operation according to a preset pattern.
4. After pad printing is completed, the control system starts the laser engraving device 70, and the laser generates laser beams to carry out laser engraving operation on the surface of the product.
5. After the laser engraving is finished, the control system starts the visual detection device 80, the visual sensor 82 shoots the pad printing and laser engraving effect of the surface of the workpiece 12 product, and the image processing unit 83 detects and judges the shot image by a machine visual algorithm.
6. And (5) blanking and collecting, namely, if the product quality is qualified, the control system sends the product of the workpiece 12 to the qualified product conveyor belt 96 for blanking operation. If the product of the workpiece 12 is not qualified, the defective product is moved and placed in the defective product storage box 97, and the subsequent unified processing is waited.
In another embodiment, as shown in fig. 2 and 5, the conveying device 20 is preferably provided with a conveying bracket 21, a conveying motor 22, a conveying belt 23, a driving roller 24 and a driven roller 25, wherein the conveying bracket 21 and the conveying motor 22 are respectively installed on the working platen 10, an output shaft of the conveying motor 22 is in transmission connection with the driving roller 24, the driving roller 24 and the driven roller 25 are respectively in rotation connection with the conveying bracket 21, two ends of the conveying belt 23 are respectively sleeved on the driving roller 24 and the driven roller 25, so as to form a belt conveying system, a conveying base 26 is fixedly connected on the conveying belt 23 at a certain distance, and the conveying base 26 is used for placing and conveying the workpiece 12.
Specifically, the conveying base 26 is provided with a conveying groove, so that the workpiece 12 can be placed in the conveying groove, and is convenient to convey and clamp. The conveying support 21 is further provided with a first sensor 27 at one side of the starting end of the conveying device 20, the first sensor 27 is electrically connected to the control system, one side of the conveying base 26 corresponding to the first sensor 27 is provided with a first sensing piece 28, so that the first sensor 27 can sense the movement of the conveying base 26 and feed back to the control system, and the control system can automatically control other devices according to the movement position of the conveying base 26. The conveying support 21 is further provided with a second sensor 29 at one side of the end of the conveying device 20, and the second sensor 29 is electrically connected to the control system and is used for sensing the workpiece 12 placed on the conveying base 26 at the end of the conveying device 20 and feeding back a signal to the control system, so that the control system can perform automatic operation on the workpiece 12. The second sensor 29 preferably employs a loose CX-442 photosensor to detect the presence or absence of a workpiece 12 within the trough by emitting light into the trough.
As shown in fig. 6 and 8, preferably, a material moving device 30 is disposed above the conveying device 20, the work platen 10 is provided with a workpiece fixture 11, the workpiece fixture 11 is used for placing a workpiece 12 to be processed, the material moving device 30 is used for moving the workpiece 12 from the conveying base 26 to the workpiece fixture 11, the material moving device 30 is provided with a first material moving support 31, a first material moving cylinder 32, a first material moving sliding table 33, a second material moving support 34, a second material moving cylinder 35, a second material moving sliding table 36, a finger cylinder 37 and a material moving finger 38, the first material moving support 31 is fixedly connected to the conveying support 21, the first material moving sliding table 32 and the first material moving sliding table 33 are respectively mounted on the first material moving support 31, the second material moving support 34 is mounted on a sliding block end of the first material moving sliding table 33 and is in transmission connection with a piston end of the first material moving sliding table 32, the first material moving sliding table 32 is driven by the first material moving cylinder 32 to move linearly along a guide rail end of the first material moving sliding table 33, the second material moving sliding table 35 is driven by the second material moving cylinder 36, the finger moving sliding table 37 is mounted on the second material moving cylinder 37 and the finger sliding table 36 is mounted on the second material moving cylinder 37, and the finger sliding table 37 is driven by the second material moving cylinder 37 and is mounted on the second material moving cylinder 37 and is respectively mounted on the second sliding cylinder end of the second material moving cylinder 37.
Specifically, the material transferring device 30 and the workpiece fixture 11 are respectively disposed in pairs at positions corresponding to the pad printing device 60, the laser carving device 70 and the visual detection device 80, so that the corresponding devices can process the workpiece 12 conveniently. The material transferring device 30 is further provided with a third material transferring cylinder 39, and the third material transferring cylinder 39 is mounted on the second material transferring bracket 34 to push the workpiece 12 placed on the workpiece fixture 11, so that the workpiece 12 is pushed to a preset position for operation.
As shown in fig. 2, preferably, the feeding device 40 is provided with a material box bracket 41, an empty box bracket 42 and a feeding mechanical arm 43 which are respectively installed on the working platen 10, the material box bracket 41 and the empty box bracket 42 are respectively used for placing the material box 13 with the workpiece 12 and taking the empty box with the workpiece 12, and the movable end of the feeding mechanical arm 43 is provided with a gripper assembly which is used for gripping the material box 13 or the workpiece 12, so that the feeding mechanical arm 43 can move the material box 13 or the workpiece 12.
Specifically, the feeding mechanical arm 43 is preferably a four-axis mechanical arm, and the gripper assembly is mounted on a wrist portion where the mechanical arm can freely move, so that the mechanical arm can control movement of the gripper assembly, the gripper assembly can take off a box cover or a box body of the material box 13 from the material box support 41 and then place the box cover or the box body in the empty box support 42, and can also grasp the workpiece 12 from the material box 13 and then move to the conveying device 20, and place the workpiece 12 in a conveying groove of the conveying base 26 to complete the feeding operation.
As shown in FIG. 3, preferably, the gripper assembly is provided with a gripper bracket 44 and a first gripper portion 50, the gripper bracket 44 is mounted at the movable end of the feeding mechanical arm 43, the first gripper portion 50 is provided with a first cylinder 51, a first supporting plate 52 and a first sucking disc 53, the first sucking disc 53 is mounted on the first supporting plate 52, the first supporting plate 52 is fixedly connected to the piston end of the first cylinder 51, the first cylinder 51 is mounted on the upper portion of the gripper bracket 44, and a first through hole is formed in the position, corresponding to the first sucking disc 53, of the gripper bracket 44, so that the first cylinder 51 can drive the first supporting plate 52 to move downwards, the first sucking disc 53 penetrates through the first through hole, and the box body or the box cover is sucked and grabbed.
Specifically, in order to accurately and firmly grasp the case body or the case cover, it is preferable to install four first suction cups 53 at four corners of the first supporting plate 52, respectively, so as to simultaneously grasp four different positions of the case body or the case cover. The first cylinder 51 is preferably mounted on the upper portion of the gripper bracket 44 through an adapter plate, and since the lower portion of the gripper bracket 44 needs to be mounted with the second gripper portion 54 for sucking the workpiece 12, a first through hole needs to be provided on the gripper bracket 44, so that the first suction cup 53 can pass through the first through hole and then appear under the gripper bracket 44, thereby sucking the box body or the box cover.
As shown in fig. 3 and 4, preferably, the gripper assembly is provided with a gripper bracket 44 and a second gripper portion 54, the gripper bracket 44 is mounted on the movable end of the feeding mechanical arm 43, the second gripper portion 54 is provided with a second supporting plate 55 and a second sucking disc 56, the second supporting plate 55 is mounted on the gripper bracket 44, the second sucking disc 56 is mounted on the second supporting plate 55, and the second sucking disc 56 can perform suction gripping on the workpiece 12.
The gripper assembly is provided with two groups of second gripper portions 54, the two groups of second gripper portions 54 are symmetrically arranged on the gripper bracket 44 respectively so as to absorb two workpieces 12 simultaneously, the second gripper portions 54 are also provided with gripper guide rails 57, gripper sliding blocks 58 and second air cylinders 59, the second air cylinders 59 and the gripper guide rails 57 are fixedly connected to the lower portions of the gripper bracket 44 respectively, the gripper sliding blocks 58 and the gripper guide rails 57 are matched with each other to form a linear motion system, the second supporting plate 55 is fixedly connected to the gripper sliding blocks 58 and is in transmission connection with piston ends of the second air cylinders 59, so that the second air cylinders 59 operate to drive the second supporting plate 55 and the gripper sliding blocks 58 to perform linear motion along the gripper guide rails 57.
Specifically, in order to reduce the movement of the feeding mechanical arm 43, and to suck the workpieces 12 placed at different positions inside the box body, it is preferable to provide the second cylinder 59 to move the second supporting plate 55 laterally, and in order to make the movement of the second supporting plate 55 smoother, it is preferable to provide the gripper guide rail 57 and the gripper slider 58 to form a linear movement system capable of bearing load, and to perform stable lateral movement on the second supporting plate 55 and the second suction cup 56.
In addition, in order to improve the operation efficiency of the entire apparatus, it is preferable that two workpieces 12 are simultaneously grasped and simultaneously placed in the two conveying bases 26 for the respective conveying operations. Since the two adjacent workpieces 12 are placed relatively close to each other in the box body and the two adjacent conveying bases 26 mounted on the conveying device 20 are relatively far away from each other, after the two groups of second grip portions 54 suck the two workpieces 12, when the two groups of second grip portions 54 need to be placed in the two conveying bases 26 relatively far away from each other, the second suction cups 56 of the corresponding two groups of second grip portions 54 need to be moved correspondingly, so that the second cylinders 59 can be provided to move the second suction cups 56.
In order to reduce the influence of the gripper bracket 44 on the feeding robot arm 43, it is preferable to keep the center of gravity of the gripper bracket 44 from being shifted, so that the two sets of second gripper portions 54 may be symmetrically mounted, and the operation of the second cylinders 59 of the two sets of second gripper portions 54 may be controlled by the control system to perform synchronous operation, so that the second suction cups 56 of the two sets of second gripper portions 54 may be synchronously moved, thereby ensuring that the center of gravity of the gripper bracket 44 is kept stable.
For example, along the moving direction of the second suction cups 56, the grooves in which the workpieces 12 are placed in the box body may be numbered, and 1 to 8 numbers may be used, and when the two second suction cups 56 of the two sets of second grip portions 54 suck, it is preferable to suck at a certain interval. For example, the second suction cups 56 of one set of the second grip portions 54 suck the workpieces 12 in the groove No. 1, and the second suction cups 56 of the other set of the second grip portions 54 suck the workpieces 12 in the groove No. 5. While in the next suction step one groove is simultaneously traversed, i.e. one group sucks the work pieces 12 in the groove numbered 2 and the other group sucks the work pieces 12 in the groove numbered 6. And so on until the suction of the work piece 12 in the entire numbered recess is completed.
Secondly, after the two groups of second grip portions 54 absorb two workpieces 12 at the same time, the feeding mechanical arm 43 can correspondingly move, the grip support 44 moves above the conveying device 20, and meanwhile, the second cylinders 59 of the two groups of second grip portions 54 synchronously operate to move the two absorbed workpieces 12 to two sides, so that the distance between the two workpieces 12 is increased, the distance is matched with the distance between the two groups of conveying bases 26 on the conveying device 20, and the grip support 44 can simultaneously place the two workpieces 12 into the two groups of conveying bases 26.
As shown in fig. 7, preferably, the pad printing apparatus 60 is provided with a pad printing support 61, a pad printing plate 63, a pad printing head 64, an ink supply system and a cleaning system, the pad printing support 61 is further provided with a moving mechanism 62, the pad printing head 64 is mounted on the driving end of the moving mechanism 62 so as to transfer the preset pattern on the pad printing plate 63 to the surface of the workpiece 12 under the driving of the moving mechanism 62, and the ink supply system is used for supplying the required ink to the pad printing head 64 and the pad printing plate 63, and the cleaning system is used for cleaning the pad printing head 64 and the pad printing plate 63.
Specifically, the ink supply device is respectively connected with the pad printing template and the cleaning device, so that the pad printing template is customized according to the preset pattern, the pad printing head 64 takes out the required ink from the ink supply device under the drive of the control system and accurately transfers the preset pattern to the surface of a workpiece 12 product, and then the cleaning system can clean the pad printing head 64 and the pad printing template 63 after the pad printing is finished, so that the cleanliness of the next pad printing is ensured.
As shown in fig. 5, preferably, the laser etching device 70 is provided with a laser etching support 71, a laser etching linear module 72 and a laser etching mechanism 73, the laser etching support 71 is installed on the operation platen 10, the laser etching linear module 72 is installed on the laser etching support 71, and the laser etching mechanism 73 is installed on the driving end of the laser etching linear module 72, so that the laser etching mechanism 73 is driven to move up and down for a certain distance, and under the control of the control system, automatic laser etching operation is performed on the workpiece 12.
Specifically, the laser carving mechanism 73 includes a laser emitter, a focusing lens set, a scanning vibrating mirror and a cooling system, the laser emitter generates a high-energy laser beam, after focusing through the focusing lens set, the laser emitter is guided to the surface of the workpiece 12 product by the scanning vibrating mirror to perform laser carving operation, and the cooling system is used for radiating the laser emitter to ensure that the laser emitter can work stably for a long time.
As shown in fig. 8, preferably, the visual detection device 80 is provided with a detection support 81, a visual sensor 82 and an image processing unit 83, the detection support 81 is mounted on the working platen 10, the visual sensor 82 and the image processing unit 83 are respectively mounted on the detection support 81, the visual sensor 82 performs image shooting on the pad printing and laser carving effects on the surface of the workpiece 12, and the image processing unit 83 performs processing of a machine vision algorithm on the shot images, so as to identify and judge whether the quality of the pad printing and laser carving meets the production requirement.
Specifically, the machine vision algorithm is a machine recognition algorithm that the computer performs intelligent computation on the image, and can perform intelligent resolution and intelligent comparison on the detail part of the shot image, so that the effect of the pad-printed pattern and the laser engraved pattern can be compared, and thus unqualified workpiece 12 products are identified, and feedback can be performed to the control system, and a corresponding unqualified signal is sent out, so that the control system can control the blanking device 90 to place the corresponding unqualified workpiece 12 in an unqualified area, and wait for subsequent processing of staff.
As shown in fig. 9, preferably, the blanking device 90 is provided with a blanking bracket 91, a blanking linear module 93, a blanking cylinder 94 and a blanking suction cup 95, wherein the blanking bracket 91 is mounted on the working platen 10, the blanking linear module 93 is mounted on the blanking bracket 91, the blanking cylinder 94 is mounted on the driving end of the blanking linear module 93, and the blanking suction cup 95 is mounted on the piston end of the blanking cylinder 94.
Specifically, the blanking suction cup 95 can be driven by the blanking cylinder 94 to move up and down, so as to suck the workpiece 12, and then driven by the blanking linear module 93 to move laterally, so that the qualified workpiece 12 is placed on the qualified product conveyor 96 and enters the next station for further operation. Or place the defective products in the defective product storage box 97, waiting for additional processing by the worker.
In order to suck two workpieces 12 at the same time, a blanking support plate 92 may be further disposed, the blanking support plate 92 is mounted at the piston end of the blanking cylinder 94, two groups of blanking suction cups 95 are disposed at positions spaced by a certain distance from the blanking support plate 92, and a certain distance may be set to be the distance between the two conveying bases 26, so that the two groups of blanking suction cups 95 can suck two workpieces 12 on the two conveying bases 26 at the same time.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (10)
1. A full-automatic pad printing laser etching detection device applying a machine vision algorithm is characterized by comprising a working platen (10), a conveying device (20), a feeding device (40), a pad printing device (60), a laser etching device (70), a vision detection device (80), a discharging device (90) and a control system, wherein the conveying device (20) is arranged on the working platen (10), the pad printing device (60), the laser etching device (70) and the vision detection device (80) are sequentially arranged along the conveying direction of the conveying device (20), the feeding device (40) is arranged at the starting end of the conveying device (20) and is used for carrying out feeding operation on a workpiece (12), the workpiece (12) is placed on the conveying device (20) so that the workpiece (12) sequentially passes through the pad printing device (60), the laser etching device (70) and the vision detection device (80) to finish printing, etching and detection operations of the workpiece (12), the discharging device (90) is arranged at the tail end of the conveying device (20) and is used for carrying out discharging operation on the workpiece (12) after the operation is finished, the control system is connected with the conveying device (20), the feeding device (70) and the vision detection device (80), thereby controlling the device to operate automatically.
2. The full-automatic pad printing laser engraving detection device using a machine vision algorithm according to claim 1, wherein the conveying device (20) is provided with a conveying support (21), a conveying motor (22), a conveying belt (23), a driving roller (24) and a driven roller (25), the conveying support (21) and the conveying motor (22) are respectively arranged on a working table plate (10), an output shaft of the conveying motor (22) is in transmission connection with the driving roller (24), the driving roller (24) and the driven roller (25) are respectively in rotary connection with the conveying support (21), two ends of the conveying belt (23) are respectively sleeved on the driving roller (24) and the driven roller (25) so as to form a belt conveying system, a conveying base (26) is fixedly connected to the conveying belt (23) at a certain distance, and the conveying base (26) is used for placing and conveying workpieces (12).
3. The full-automatic transfer printing laser engraving detection device using a machine vision algorithm according to claim 2, characterized in that a transfer device (30) is arranged above the conveying device (20), the work platen (10) is provided with a workpiece fixture (11), the workpiece fixture (11) is used for placing a workpiece (12) to be processed, the transfer device (30) is used for moving the workpiece (12) from the conveying base (26) to the workpiece fixture (11), the transfer device (30) is provided with a first transfer support (31), a first transfer cylinder (32), a first transfer sliding table (33), a second transfer sliding table (34), a second transfer cylinder (35), a second transfer sliding table (36), a finger cylinder (37) and a transfer finger (38), the first transfer support (31) is fixedly connected to the conveying support (21), the first transfer sliding table (32) and the first transfer sliding table (33) are respectively installed on the first transfer support (31), the second transfer sliding table (34) is installed on the first transfer sliding table (33) and the second transfer sliding table (34) is connected to the second transfer sliding table (36) through the finger (37) and the finger (38), and is in transmission connection with the piston end of the second material moving cylinder (35), and the material moving finger (38) is arranged at the piston end of the finger cylinder (37) to clamp the workpiece (12).
4. The full-automatic pad printing laser etching detection device using a machine vision algorithm according to claim 1, wherein the feeding device (40) is provided with a material box support (41), an empty box support (42) and a feeding mechanical arm (43) which are respectively arranged on a working table plate (10), the material box support (41) and the empty box support (42) are respectively used for placing a material box (13) filled with a workpiece (12) and taking the workpiece (12), a gripper assembly is arranged at the movable end of the feeding mechanical arm (43), and the gripper assembly is used for gripping the material box (13) or the workpiece (12), so that the feeding mechanical arm (43) can move the material box (13) or the workpiece (12).
5. The full-automatic pad printing laser etching detection device with the machine vision algorithm according to claim 4, wherein the gripper assembly is provided with a gripper bracket (44) and a first gripper part (50), the gripper bracket (44) is installed at the movable end of the feeding mechanical arm (43), the first gripper part (50) is provided with a first air cylinder (51), a first supporting plate (52) and a first sucking disc (53), the first sucking disc (53) is installed at the first supporting plate (52), the first supporting plate (52) is fixedly connected to the piston end of the first air cylinder (51), the first air cylinder (51) is installed at the upper part of the gripper bracket (44), and a first through hole is formed in the position of the gripper bracket (44) corresponding to the first sucking disc (53), so that the first air cylinder (51) can drive the first air cylinder (52) to move downwards, and the first sucking disc (53) passes through the first through hole to absorb and grasp a box body or a box cover.
6. The full-automatic pad printing laser etching detection device using a machine vision algorithm according to claim 4, wherein the gripper assembly is provided with a gripper bracket (44) and a second gripper portion (54), the gripper bracket (44) is mounted at the movable end of the feeding mechanical arm (43), the second gripper portion (54) is provided with a second supporting plate (55) and a second sucking disc (56), the second supporting plate (55) is mounted on the gripper bracket (44), and the second sucking disc (56) is mounted on the second supporting plate (55) and can absorb and grab a workpiece (12).
7. The full-automatic pad printing laser etching detection device using a machine vision algorithm according to claim 6, wherein the gripper assembly is provided with two groups of second gripper portions (54), the two groups of second gripper portions (54) are symmetrically arranged on the gripper support (44) respectively so as to absorb two workpieces (12) simultaneously, the second gripper portions (54) are further provided with gripper guide rails (57), gripper sliding blocks (58) and second air cylinders (59), the second air cylinders (59) and the gripper guide rails (57) are fixedly connected to the lower portions of the gripper support (44) respectively, the gripper sliding blocks (58) and the gripper guide rails (57) are matched with each other to form a linear motion system, the second supporting plate (55) is fixedly connected to the gripper sliding blocks (58) and in transmission connection with piston ends of the second air cylinders (59), so that the second air cylinders (59) are operated to drive the second supporting plate (55) and the second sucking discs (56) to move linearly along the gripper guide rails (57).
8. The full-automatic pad printing laser engraving detection device using a machine vision algorithm according to claim 1, characterized in that the pad printing device (60) is provided with a pad printing support (61), a moving mechanism (62), a pad printing plate (63), a pad printing head (64), an ink supply system and a cleaning system, wherein the pad printing head (64) is mounted on the driving end of the moving mechanism (62) so as to transfer a preset pattern on the pad printing plate (63) to the surface of a workpiece (12) under the driving of the moving mechanism (62), and the ink supply system is used for supplying required ink for the pad printing head (64) and the pad printing plate (63), and the cleaning system is used for cleaning the pad printing head (64) and the pad printing plate (63).
9. The full-automatic pad printing laser etching detection device using a machine vision algorithm according to claim 1, wherein the laser etching device (70) is provided with a laser etching support (71), a laser etching linear module (72) and a laser etching mechanism (73), the laser etching support (71) is installed on a working table board (10), the laser etching linear module (72) is installed on the laser etching support (71), the laser etching mechanism (73) is installed on the driving end of the laser etching linear module (72), so that the laser etching mechanism (73) is driven to move up and down for a certain distance, and under the control of a control system, automatic laser etching operation is performed on a workpiece (12).
10. The full-automatic pad printing laser etching detection device using a machine vision algorithm according to claim 1, wherein the vision detection device (80) is provided with a detection support (81), a vision sensor (82) and an image processing unit (83), the detection support (81) is mounted on a work platen (10), the vision sensor (82) and the image processing unit (83) are respectively mounted on the detection support (81), the vision sensor (82) performs image shooting on pad printing and laser etching effects on the surface of a workpiece (12), and the image processing unit (83) performs processing of the machine vision algorithm on the shot images, so that whether the quality of pad printing and laser etching meets production requirements is identified and judged.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119804491A (en) * | 2025-03-13 | 2025-04-11 | 上海聚跃检测技术有限公司 | Chip cold joint detection device |
| CN121104365A (en) * | 2025-11-12 | 2025-12-12 | 深圳市富泰鑫科技有限公司 | A laser engraving machine with an oxide film detection device and its application method |
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2024
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119804491A (en) * | 2025-03-13 | 2025-04-11 | 上海聚跃检测技术有限公司 | Chip cold joint detection device |
| CN121104365A (en) * | 2025-11-12 | 2025-12-12 | 深圳市富泰鑫科技有限公司 | A laser engraving machine with an oxide film detection device and its application method |
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