An AOI inspection inkjet printer for die-cut products on a roll

By designing an AOI detection and inkjet printer for die-cut products on tape reels, high-precision detection is used for CCD cameras and light sources, and automatic inkjet coding is achieved through the inkjet coding component, the leakage detection and errors of the inkjet coding are solved. The problems of high spray rate and low production efficiency achieve efficient and accurate detection and injection coding, which is suitable for large-scale continuous production.

CN110682681BActive Publication Date: 2025-02-18DONGGUAN SHENGXIANG PRECISION METAL
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Patent Information

Application Number
CN201910920937.3
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2019-09-26
Publication Date
2025-02-18
Estimated Expiration
2039-09-26

AI Technical Summary

Technical Problem

In the existing 3C product inspection, manual inspection and injection coding have problems such as leakage detection and spraying, high false spraying rate, low production efficiency and high labor costs, which are difficult to meet the needs of large-scale continuous production.

Method used

Design an AOI detection inkjet printer for die-cutting products on tape reels, using CCD camera, side light source and backlight source for high-precision AOI detection, and automatically inkjet through the inkjet coding component, combining vacuum suction and coding components to achieve Continuous conveying and precise control of rolled tape.

Benefits of technology

Automatic detection and ink coding are realized, which avoids errors caused by human factors, improves the accuracy of detection and ink coding, accurately monitors product quality, improves yield and production efficiency, and is suitable for large-scale continuous production.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention discloses an AOI inspection inkjet printer for die-cut products on a roll. The AOI inspection inkjet printer comprises a chassis, a base plate connected to the middle of the chassis, a film frame fixed vertically on the rear end of the base plate, two carrier plates and a plurality of vacuum suction plates installed on the panel, a CCD camera arranged directly above the front carrier plate, a CCD camera arranged directly below the middle carrier plate, an inkjet printer assembly arranged above the vacuum suction plate at the rear end of the panel, a material discharge assembly installed under the left end of the film frame and a material collection assembly installed under the right end, a waste film collection assembly installed on the left end of the film frame and a film discharge assembly installed on the right end. The present invention has the effects of continuous conveying of roll-shaped material tape, CCD high-precision AOI inspection, automatic inkjet printing, stable product delivery quality, and high production efficiency.
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Description

Technical Field

[0001] The invention relates to the field of 3C product detection, and in particular to an AOI detection inkjet printer for die-cut products on a roll. Background Art

[0002] In the production of 3C products, a large number of thin sheets, special-shaped parts with high precision requirements are involved. The existing production often adopts manual inspection, combined with secondary random inspection. After the qualified products are tested, manual coding is carried out. The defects are: first, manual inspection and coding are prone to fatigue due to long-term work of workers, and products are missed and missed, resulting in waste of good products; second, manual inspection and coding have a certain error rate, resulting in bad products being labeled as good products, failing to meet the quality requirements of the products, and the quality is difficult to control; third, manual operation one by one has low production efficiency and high labor costs, which is difficult to meet large-scale continuous production. Summary of the invention

[0003] In order to solve one or more of the above problems, the present invention provides an AOI inspection inkjet printer for die-cut products on a roll.

[0004] According to one aspect of the present invention, the AOI inkjet printer for inspecting die-cut products on a roll comprises a chassis,

[0005] The holder includes a panel and a base plate arranged in parallel up and down. The base plate is connected to the middle of the chassis. A vertical fixed sheet frame is installed on the rear end of the base plate. A transparent loading plate is installed on the left end and the middle of the panel. A vacuum suction plate is provided at the left and right ends of each loading plate.

[0006] A CCD camera is set just above the front loading board, two side light sources are located at the left and right ends of the front loading board, a backlight source is located just below the front loading board, a CCD camera is set just below the middle loading board, two side light sources are located at the left and right ends under the middle loading board, the two side light sources are symmetrically set to produce a soft main light source, and a backlight source is located just above the middle loading board.

[0007] The inkjet component is located above the vacuum suction plate at the rear end of the panel, and the inkjet component is installed on the rear end of the substrate through the gantry.

[0008] The three coding components are respectively arranged at the left end of the front loading plate, the right end of the middle loading plate and the left end of the coding component.

[0009] A material discharging assembly is installed at the lower left end of the sheet rack, and a material collecting assembly is installed at the lower right end. A waste film collecting assembly is installed at the upper left end of the sheet rack, and a film discharging assembly is installed at the upper right end.

[0010] A feeder is mounted on the leftmost end of the base plate and a receiver is mounted on the right end.

[0011] In some embodiments, a display screen and a warning light are vertically installed in the middle of the film rack, an operating table is installed at the front end of the substrate, a control component is arranged in the chassis, and the display screen and the operating table are electrically connected to the control component.

[0012] In some embodiments, the unloading assembly includes a mounting plate, the mounting plate is fixed on the sheet frame, the mounting plate and the motor plate are connected by a cylinder, the servo motor is fixed on the rear side of the motor plate, a shaft sleeve is fixed in the middle of the mounting plate, the shaft sleeve is rotatably connected to the shaft end of the air shaft through a bearing, the air shaft and the servo motor are connected by a coupling, and the air shaft is adjustable to install two limit discs, and a roll of material is placed between the two limit discs.

[0013] The waste film collecting component, the film discharging component, the material collecting component and the material discharging component have the same structure.

[0014] In some embodiments, the sheet frame includes an upper beam made of a rectangular aluminum profile, two lower beams and two vertical supports, the middle of the upper beam is symmetrically and vertically connected to a vertical support, the lower end of the outer side surface of each vertical support is flush with a lower beam, and the lower beam is threadedly connected to the rear end of the base plate.

[0015] A waste film collecting assembly is installed on the left end of the upper beam, and a film discharging assembly is installed on the right end. A material discharging assembly is installed on the left end of the lower beam, and a material collecting assembly is installed on the right end of the lower beam.

[0016] In some embodiments, the feeder includes a main frame, a rubber roller is installed in the middle of the side plate of the main frame, one end of the rubber roller passes through the through hole of the side plate and is connected to the outer traction servo motor through a coupling.

[0017] A U-shaped groove is provided at the upper end of the side plate, and an adjusting slider is slidably connected in each U-shaped groove. A passive shaft is inserted into the two adjusting sliders, and two passive rubber wheels are rotatably connected on the passive shaft. One end of the passive shaft passes through the adjusting slider and is connected to a grip rod.

[0018] A thread block is installed on the U-shaped groove, the upper end of an adjusting screw is fixed on the thread block and the lower end is closely attached to the upper surface of each adjusting sliding block.

[0019] A material dragging plate is also installed on one side of the side plate, and two material baffle plates are symmetrically arranged on the material dragging plate.

[0020] A guide shaft is also installed on the front side of the side plate of the feeder. Two limit sleeves are sleeved on the guide shaft. The inner width of the two limit sleeves is the same as the width of the tape.

[0021] The receiver has the same structure as the feeder, and an arc-shaped receiving plate is installed on the rear side of the receiver.

[0022] In some embodiments, the encoding assembly includes an encoding roller and a support, wherein the encoding roller is axially connected to the encoder.

[0023] The support includes a lower plate and an upper plate. The front end of the lower plate and the rear end of the upper plate are connected into a Z shape through a middle connecting plate. The front end of the upper plate is vertically connected to the vertical connecting plate. The threaded part is fixed on the base plate through the fifth oblong hole of the lower plate. The encoder is vertically fixed on the vertical connecting plate.

[0024] In some embodiments, the gantry is adjustably connected to the base plate, the panel is located in the door hole of the gantry, and the middle of the upper top plate of the gantry is threadedly connected to the horizontal plate of the right-angle bent plate.

[0025] The inkjet printer assembly includes an inkjet printer and a clamping seat. The clamping seat includes a body. A clamping hole is formed in the middle of the body. One side of the clamping hole extends outward to form an elastic cutout. Two threaded blind holes are provided on the inner side wall of the elastic cutout. Two trapezoidal through holes are provided on the outer side wall of the elastic cutout. The cylindrical head screw is screwed into the threaded blind hole through the trapezoidal through hole to fix the inkjet printer in the clamping hole in an adjustable manner up and down.

[0026] The rear side of the body extends upward and downward to form ear plates respectively, and the screw members pass through the through holes of the ear plates and are connected to the front side of the vertical plate of the right-angle bent plate.

[0027] In some embodiments, the retaining frame is a panel whose four corners are connected to the base plate through a support column respectively, thereby forming a three-dimensional frame structure.

[0028] A first through hole is formed at the front end and the middle of the panel, and a second through hole is formed at the front end and the rear end of the first through hole. A carrier plate is installed in each first through hole, and a vacuum suction plate is installed on each second through hole.

[0029] The rear end of the substrate is vertically fixed with a cantilever frame, and the front end of the CCD camera is connected to the cantilever frame.

[0030] A lower seat is vertically fixed in the middle of the substrate, and the CCD camera in the middle is installed on the lower seat. A fourth through hole is provided in the middle of the substrate, and the fourth through hole and the first through hole in the middle are opposite to each other up and down. The CCD camera in the middle is located below the fourth through hole.

[0031] Each CCD camera is connected to a high-definition lens at the bottom, the front high-definition lens is located directly above the carrier plate, and the middle high-definition lens is located directly below the carrier plate. Each CCD camera is electrically connected to a control module.

[0032] The two ends of the front backlight source are respectively connected to the substrate through an end frame, and the two ends of the middle backlight source are respectively connected to the panel through an end frame.

[0033] The front side light source is adjustably connected to the panel through an adjustment seat, and the middle side light source is adjustably connected to the base plate through an adjustment seat.

[0034] In some embodiments, the adjustment seat includes a right-angle seat, the right-angle seat includes a horizontal plate and a vertical plate vertically connected to each other, the vertical plate is provided with a Z-direction oblong hole, and the horizontal plate is provided with a Y-direction oblong hole;

[0035] The arc adjustment plate is provided with a center hole and an arc through hole, the center of the arc through hole is the center hole, the threaded member positions the arc adjustment plate through the center hole, and the threaded member connects the arc adjustment plate to the middle plate with an adjustable angle through the arc through hole;

[0036] The panel is further provided with a third through hole between the first through hole and the second through hole, the Z-shaped plate is a bent structure, and a through-light sensor is installed on the first oblong hole of the Z-shaped plate;

[0037] A convex block is formed at the lower end of the vacuum suction fixing plate, a ventilation cavity is formed inside the convex block, suction holes are evenly distributed on the upper surface of the vacuum suction fixing plate, the suction holes are connected to the ventilation cavity, and the air inlet and outlet holes on the lower surface of the convex block are connected to the pneumatic circuit;

[0038] A width baffle is also provided between the first through hole and the second through hole at the rear end, a longitudinal oblong hole is provided at the rear end of the width baffle, a notch is provided at the lower front end of the width baffle, and an upper limit plate is provided at the upper end of the notch.

[0039] In some embodiments, the backlight source includes LED lamp beads and a lower soft light cover, the lower soft light cover is a hemispherical shell, the opening surface of the lower soft light cover is located at the upper end, and the LED lamp beads are arranged at the vertex hole of the lower soft light cover;

[0040] The specimen carrier is made of transparent glass or acrylic plastic plate;

[0041] The side light source is a rectangular strip light source.

[0042] The device realizes continuous conveying of roll material strips, CCD high-precision AOI detection, and automatic coding, and its beneficial effects are: first, automatic detection of coding, no human error, put an end to missed detection and human misdetection and mis-spraying, improve the accuracy of inspection and coding, and make product quality monitoring accurate and easy, greatly improve the yield rate, and ensure stable product delivery quality; second, automatic detection of coding greatly improves the inspection efficiency, has high production efficiency, and is suitable for large-scale continuous production; third, double inspection of the upper and lower positions of the product is carried out at a high speed, and a product front inspection, a product back inspection, and a product coding are carried out at the same time, that is, one product inspection is generated during one shutdown, and the production speed is greatly improved.

[0043] In addition, the main light source uses two side light sources to generate a soft light source to eliminate the shadow of vertical illumination, improve the clarity of the product and eliminate interference from external factors. At the same time, a backlight source is set to further improve the clarity of product features, so that fast and high-definition detection can be obtained, greatly improving the detection yield. At the same time, a vacuum suction plate is set to control the position of the product on the roll material belt to improve the position accuracy and stability during detection; CCD camera, high data acquisition accuracy, precise detection.

[0044] At the same time, the device places the product on a roll-shaped material belt, and the unwinding component and the receiving component automatically convey the product in a continuous straight line, and the encoding component accurately controls the movement of the material belt;

[0045] When testing and coding at the same time, a vacuum suction plate is used to fix the material belt, which reduces the movement of the material belt during coding and the occurrence of mis-spraying, thereby improving the stability and accuracy of coding and high quality monitoring efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0046] Figure 1 A three-dimensional schematic diagram of an AOI inkjet printer for inspecting die-cut products on a roll according to an embodiment of the present invention;

[0047] Figure 2 for Figure 1 A three-dimensional schematic diagram of the film rack shown;

[0048] Figure 3 for Figure 1 A three-dimensional schematic diagram of the discharge assembly shown;

[0049] Figure 4 for Figure 1 A three-dimensional schematic diagram of the operating platform shown;

[0050] Figure 5 for Figure 1 A three-dimensional schematic diagram of the feeder shown;

[0051] Figure 6 for Figure 1 A partially enlarged schematic diagram of an AOI inkjet printer for inspecting die-cut products on a roll is shown;

[0052] Figure 7 for Figure 6 A schematic top view of an AOI inkjet printer for inspecting die-cut products on a roll is shown;

[0053] Figure 8 for Figure 6 A three-dimensional schematic diagram of the cage shown;

[0054] Fig. 9 for Figure 8 A three-dimensional schematic diagram of the vacuum suction fixing plate shown;

[0055] Fig.10 for Figure 8 A half-section schematic diagram of the vacuum suction fixing plate shown;

[0056] Fig.11 for Figure 8 A three-dimensional schematic diagram of the Z-shaped plate shown;

[0057] Fig.12 for Figure 6 A three-dimensional schematic diagram of a CC camera mounted on the front end of the holder is shown;

[0058] Fig.13 for Fig.12 A three-dimensional schematic diagram of the cantilever frame shown;

[0059] Fig.14 for Fig.12 A three-dimensional schematic diagram of the backlight source shown;

[0060] Fig.15 for Fig.12 A three-dimensional schematic diagram of the side light source shown;

[0061] Fig.16 for Fig.15 A three-dimensional exploded schematic diagram of the adjustment seat shown;

[0062] Fig.17 for Fig.12 A three-dimensional schematic diagram of the width baffle shown;

[0063] Fig.18 for Figure 6 A three-dimensional schematic diagram of the CC camera installation in the middle is shown;

[0064] Fig.19 for Figure 6 A three-dimensional schematic diagram of the encoding component shown;

[0065] Fig. 20 for Figure 6 A three-dimensional schematic diagram of the gantry shown;

[0066] Fig.21 for Figure 6 A three-dimensional schematic diagram of the coding assembly shown;

[0067] Chassis 01, material discharging assembly 011, mounting plate 0111, motor plate 0112, cylinder 0113, servo motor 0114, shaft sleeve 0115, air shaft 0110, coupling 0116, limit disc 0117, material receiving assembly 012, waste film receiving assembly 013, film discharging assembly 014, guide shaft 015, limit sleeve 016, material receiving plate 017, warning light 018; film rack 02, upper beam 021, lower beam 022, vertical support 023;

[0068] Inkjet coding assembly 03, inkjet coding device 031, clamping seat 032, body 033, clamping hole 034, elastic cutout 035, threaded blind hole 036, trapezoidal through hole 037, ear plate 038;

[0069] Encoding component 04, encoder 041, encoding roller 042, support 043, lower plate 0432, upper plate 0433, middle connecting plate 0434, vertical connecting plate 0431;

[0070] Gantry 05, upper top plate 051, side leg plate 052, lower bottom plate 053, right angle bent plate 054;

[0071] Feeder 06, adjusting screw 060, main frame 061, side plate 0611, traction bottom plate 0612, retaining shaft 0613, material dragging plate 0614, rubber roller 062, traction servo motor 063, adjusting slider 064, passive shaft 065, passive rubber wheel 066, grip rod 067, thread block 068, material blocking plate 069; receiver 07;

[0072] Display screen 08, operating table 09, control frame 091, display screen 092, operating button 093;

[0073] Holder 1, substrate 11, fourth through hole 111, panel 12, first through hole 121, second through hole 122, third through hole 123, support column 13, Z-shaped plate 14, upper plate 141, first oblong hole 142, lower plate 143, second oblong hole 144, vacuum suction plate 15, bump 151, ventilation cavity 152, suction hole 153, inlet and outlet holes 154, loading plate 16, lower seat 17, CCD camera 2, backlight source 3, LED lamp bead 31, lower soft light cover 32, side light source 4, cantilever frame 5, outrigger beam 51, first C-shaped groove 511, vertical leg 52, lower end plate 53, clamping plate 54, second C shaped groove 541, high-definition lens 6, end frame 7, L-shaped leg 71, third oblong hole 711, fourth oblong hole 712, end plate 72, adjustment seat 8, right-angle seat 81, horizontal plate 811, vertical plate 812, Z-direction oblong hole 813, Y-direction oblong hole 814, middle plate 82, arc adjustment plate 83, center hole 831, arc through hole 832, incident light sensor 9, width baffle 10, notch groove 101, upper limit plate 102, longitudinal oblong hole 103. DETAILED DESCRIPTION

[0074] The present invention will be further described in detail below with reference to the accompanying drawings. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the accompanying drawings, and the words "inner" and "outer" refer to directions toward or away from the geometric center of a specific component, respectively.

[0075] Figures 1 to 21The schematic diagram shows an AOI inkjet printer for inspecting die-cut products on a roll according to an embodiment of the present invention. As shown in the figure, the device includes a chassis 01,

[0076] The holder 1 includes a panel 12 and a base plate 11 arranged in parallel up and down. The base plate 11 is connected to the middle of the chassis 01. The rear end of the base plate 11 is vertically fixed to the sheet frame 02. A transparent carrier plate 16 is installed at the left end and the middle of the panel 12. A vacuum suction plate 15 is provided at the left and right ends of each carrier plate 16.

[0077] A CCD camera 2 is arranged directly above the front loading board 16, two side light sources 4 are located at the left and right ends of the front loading board 16, a backlight source 3 is located directly below the front loading board 16, a CCD camera 2 is arranged directly below the middle loading board 16, two side light sources 4 are located at the left and right ends under the middle loading board 16, the two side light sources 4 are symmetrically arranged on the sides to produce a soft main light source, and a backlight source 3 is located directly above the middle loading board 16.

[0078] The inkjet component 03 is arranged above the vacuum suction plate 15 at the rear end of the panel 12, and the inkjet component 03 is installed on the rear end of the substrate 11 through the gantry 05.

[0079] The three encoding components 04 are respectively arranged at the left end of the front loading plate 16, the right end of the middle loading plate 16 and the left end of the coding component 03.

[0080] A material discharge assembly 011 is installed at the lower left end of the sheet rack 02, and a material collection assembly 012 is installed at the lower right end. A waste film collection assembly 013 is installed at the upper left end of the sheet rack 02, and a film discharge assembly 014 is installed at the upper right end.

[0081] A feeder 06 is mounted on the leftmost end of the substrate 11 and a receiver 07 is mounted on the right end.

[0082] The device uses a CCD camera 2, a side light source 4 and a backlight source 3 to realize AOI detection, that is, automatic optical detection, and the automatic operation of the coding component 03 to automatically print.

[0083] A number of die-cut products are evenly arranged on the roll material belt, and the roll material belt drives the die-cut products to enter the carrier plate 16 in sequence. The vacuum suction plate 15 fixes the two ends of the roll material belt, and the CCD camera 2 takes pictures to collect data and uploads it to the control module. The control module determines whether the die-cut product is good or not based on the photo information and whether there are defects. The workflow is as follows:

[0084] First, manually place the material strip on the first material unloading component 011 and the film unloading component 014, and connect them to the waste film collecting component 013 and the material collecting component 012. The side light source 4 and the backlight source 3 are always on, the pneumatic component of the vacuum suction plate 15 is started, and the CCD camera 2 and other departments are started;

[0085] Secondly, through the feeder 06 and the receiver 07, the coiled material can run smoothly on the panel 12 to realize automatic feeding;

[0086] Thirdly, two CCD cameras 2 perform front and back inspections, and the inspection results are transmitted to the control component;

[0087] Fourth, the coding station will code and mark the defective products;

[0088] Fifth, when the whole roll of die-cut products is inspected, the materials are manually picked up at the receiving component 012;

[0089] Sixth, repeat first to fifth;

[0090] The device realizes continuous conveying of roll material strips, CCD high-precision AOI detection, and automatic coding, and its beneficial effects are: first, automatic detection of coding, no human error, put an end to missed detection and human misdetection and mis-spraying, improve the accuracy of inspection and coding, and make product quality monitoring accurate and easy, greatly improve the yield rate, and ensure stable product delivery quality; second, automatic detection of coding greatly improves the inspection efficiency, has high production efficiency, and is suitable for large-scale continuous production; third, double inspection of the upper and lower positions of the product is carried out at a high speed, and a product front inspection, a product back inspection, and a product coding are carried out at the same time, that is, one product inspection is generated during one shutdown, and the production speed is greatly improved.

[0091] In addition, the main light source uses two side light sources 4 to generate a soft light source to eliminate the shadow of vertical illumination, improve the clarity of the product and eliminate interference from external factors. At the same time, a backlight source 3 is set to further improve the clarity of product features, so that fast and high-definition detection can be obtained, greatly improving the detection yield. At the same time, a vacuum suction plate 15 is set to control the position of the product on the roll material belt, improving the position accuracy and stability during detection; CCD camera 2, high data acquisition accuracy, precise detection.

[0092] At the same time, the device places the product on a roll material belt, and the unloading component 011 and the receiving component 012 automatically convey the product in a continuous straight line, and the encoding component 04 accurately controls the movement of the material belt;

[0093] During simultaneous detection and coding, a vacuum suction plate 15 is used to fix the material strip, which reduces the movement of the material strip during coding and the occurrence of mis-spraying, thereby improving coding stability and accuracy, and improving quality monitoring efficiency.

[0094] Preferably, a display screen 08 and a warning light 018 are vertically installed in the middle of the sheet rack 02, an operating table 09 is installed at the front end of the base plate 11, a control component is arranged in the chassis 01, and the display screen 08 and the operating table 09 are electrically connected to the control component. The beneficial effect is that the structure has a high degree of automation and is easy to operate.

[0095] Preferably, the operating console 09 includes a control frame 091 , and a display screen 092 and operation buttons 093 are mounted on the upper surface of the control frame 091 .

[0096] Preferably, the material discharging assembly 011 includes a mounting plate 0111, the mounting plate 0111 is fixed on the sheet frame 02, the mounting plate 0111 and the motor plate 0112 are connected by a cylinder 0113, a servo motor 0114 is fixed to the rear side of the motor plate 0112, a shaft sleeve 0115 is fixed in the middle of the mounting plate 0111, the shaft sleeve 0115 is rotatably connected to the shaft end of the inflatable shaft 0110 through a bearing, the inflatable shaft 0110 and the servo motor 0114 are connected by a coupling 0116, and the inflatable shaft 0110 is adjustable with two limit discs 0117, and a rolled material belt is placed between the two limit discs 0117.

[0097] The waste film collecting component 013, the film discharging component 014, the material collecting component 012 and the material discharging component 011 have the same structure. The beneficial effect is that the material discharging component 011 outputs the material belt accurately and controllably, with high speed and high production efficiency, ensuring that the product on the material belt has good position accuracy.

[0098] Preferably, the sheet frame 02 includes an upper beam 021, two lower beams 022 and two vertical supports 023 made of rectangular aluminum profiles. The middle of the upper beam 021 is symmetrically and vertically connected to a vertical support 023. The lower end of the outer side surface of each vertical support 023 is flush with a lower beam 022. The lower beam 022 is threadedly connected to the rear end of the base plate 11.

[0099] A waste film collecting assembly 013 is installed on the left end of the upper beam 021, and a film discharging assembly 014 is installed on the right end. A discharging assembly 011 is installed on the left end of the lower beam 022, and a collecting assembly 012 is installed on the right end of the lower beam 022.

[0100] A display screen 08 and a warning light 018 are vertically installed in the middle of the upper beam 021. Its beneficial effect is: the sheet frame 02 of this structure is simple and easy to install and debug.

[0101] Preferably, the feeder 06 comprises a main frame 061, a rubber roller 062 is installed in the middle of the side plate 0611 of the main frame 061, one end of the rubber roller 062 passes through the through hole of the side plate 0611 and is connected to the outer traction servo motor 063 through a coupling.

[0102] A U-shaped groove is provided at the upper end of the side plate 0611, and an adjusting slider 064 is slidably connected in each U-shaped groove. A passive shaft 065 is sleeved between the two adjusting sliders 064, and two passive rubber wheels 066 are rotatably connected to the passive shaft 065. One end of the passive shaft 065 passes through the adjusting slider 064 and is connected to a grip rod 067.

[0103] A threaded block 068 is installed on the U-shaped groove, and an upper end of an adjusting screw 060 is fixed on the threaded block 068 and the lower end is close to the upper surface of each adjusting slider 064. Its beneficial effect is: the feeder 06 conveys the material belt at a high speed, with high precision and without stopping.

[0104] Preferably, the main frame 061 further includes a traction base plate 0612 and two retaining shafts 0613. The traction base plate 0612 is connected to the lower surfaces of the two side plates 0611, and the two retaining shafts 0613 are connected to the upper ends of the two side plates 0611, thereby forming a rectangular frame.

[0105] A material dragging plate 0614 is also installed on one side of the side plate 0611, and two material blocking plates 069 are symmetrically arranged on the material dragging plate 0614.

[0106] A guide shaft 015 is also installed on the front side of the side plate 0611 of the feeder 06. Two limit sleeves 016 are sleeved on the guide shaft 015. The inner width of the two limit sleeves 016 is the same as the width of the tape.

[0107] The receiver 07 has the same structure as the feeder 06 , and an arc-shaped receiver plate 017 is installed on the rear side of the receiver 07 .

[0108] Preferably, the encoding assembly 04 includes an encoding roller 042 and a support 043, wherein the encoding roller 042 is axially connected to the encoder 041.

[0109] The support 043 includes a lower plate 0432 and an upper plate 0433. The front end of the lower plate 0432 and the rear end of the upper plate 0433 are connected to form a Z shape through a middle connecting plate 0434. The front end of the upper plate 0433 is vertically connected to the vertical connecting plate 0431. The screw is fixed on the base plate 11 through the fifth oblong hole of the lower plate 0432. The encoder 041 is vertically fixed on the vertical connecting plate 0431. The beneficial effect is that the encoding component 04 of the arrangement controls the movement of the material belt accurately.

[0110] Preferably, the gantry 05 is adjustably connected to the base plate 11, the panel 12 is located in the door hole of the gantry 05, the upper top plate 051 of the gantry 05 is threadedly connected to the horizontal plate of the right-angle bent plate 054, and the gantry 05 is used to fix the inkjet printer 031, which greatly improves the reliability of the fixation of the inkjet printer 031 and reduces the phenomenon of mis-injection caused by shaking.

[0111] The inkjet coding assembly 03 includes an inkjet printer 031 and a clamping seat 032. The clamping seat 032 includes a body 033. A clamping hole 034 is formed in the middle of the body 033. One side of the clamping hole 034 extends outward to form an elastic cutout 035. Two threaded blind holes 036 are provided on the inner side wall of the elastic cutout 035. Two trapezoidal through holes 037 are provided on the outer side wall of the elastic cutout 035. A cylindrical head screw is screwed into the threaded blind hole 036 through the trapezoidal through hole 037 to fix the inkjet printer 031 in the clamping hole 034 in an adjustable manner up and down.

[0112] The rear side of the body 033 extends upward and downward to form ear plates 038, and the screw member passes through the through hole of the ear plate 038 and is connected to the front side of the vertical plate of the right-angle bent plate 054. The beneficial effect is that the inkjet assembly 03 is easy to install, firmly fixed, and adjustable up and down, thereby improving the inkjet accuracy.

[0113] Preferably, the gantry 05 further comprises side leg plates 052, two side leg plates 052 are fixed under the two ends of the upper top plate 051, a lower bottom plate 053 is installed inside the lower end of each side leg plate 052, and the lower bottom plate 053 is provided with an oblong hole arranged in the Y direction, and the screw member fixes the lower bottom plate 053 on the base plate 11 through the oblong hole. The beneficial effect is that the arrangement ensures that the gantry 05 is adjustable in the Y direction, and the installation accuracy of the gantry 05 is ensured.

[0114] The upper top plate 051 has two rows of threaded adjustment holes arranged in a Y direction, and the right-angle bent plate 054 has two oblong holes arranged in the Y direction. The screws are screwed into the threaded adjustment holes through the oblong holes, thereby connecting the right-angle bent plate 054 to the upper top plate 051. The beneficial effect is that the threaded adjustment holes and the second oblong holes ensure the installation accuracy of the inkjet printer 031 and the adjustment range of the inkjet position.

[0115] Preferably, the four corners of the panel 12 of the retaining frame 1 are connected to the substrate 11 through a support column 13 respectively, thereby forming a three-dimensional frame structure. Its beneficial effect is: the retaining frame 1 adopts a three-dimensional frame to improve the stability of the device, and there is no shaking during operation, thereby improving the CCD detection accuracy.

[0116] A first through hole 121 is formed at the front end and the middle of the panel 12, and a second through hole 122 is formed at the front end and the rear end of the first through hole 121. A carrier plate 16 is installed in each first through hole 121, and a vacuum suction plate 15 is installed on each second through hole 122.

[0117] The rear end of the substrate 11 is vertically fixed with a cantilever frame 5, and the front end of the CCD camera 2 is connected to the cantilever frame 5, which has the beneficial effects of simple structure and small overall size of the device.

[0118] A lower seat 17 is vertically fixed in the middle of the substrate 11, and the CCD camera 2 in the middle is installed on the lower seat 17. A fourth through hole 111 is provided in the middle of the substrate 11. The fourth through hole 111 and the first through hole 121 in the middle are opposite to each other up and down. The CCD camera 2 in the middle is located below the fourth through hole 111.

[0119] The lower end of each CCD camera 2 is connected to a high-definition lens 6, the front high-definition lens 6 is located directly above the carrier board 16, and the middle high-definition lens 6 is located directly below the carrier board 16. Each CCD camera 2 is electrically connected to a control module.

[0120] The two ends of the front backlight source 3 are respectively connected to the substrate 11 through an end frame 7, and the two ends of the middle backlight source 3 are respectively connected to the panel 12 through an end frame 7.

[0121] The front side light source 4 is adjustably connected to the panel 12 through the adjustment seat 8 , and the middle side light source 4 is adjustably connected to the base plate 11 through the adjustment seat 8 .

[0122] Preferably, the adjustment seat 8 includes a right-angle seat 81, and the right-angle seat 81 includes a horizontal plate 811 and a vertical plate 812 that are vertically connected to each other. The vertical plate 812 is provided with a Z-direction oblong hole 813, and the horizontal plate 811 is provided with a Y-direction oblong hole 814. The screw member fixes the horizontal plate 811 on the base plate 11 or the panel 12 through the Y-direction oblong hole 814, and the screw fixes the vertical plate 812 on the middle plate 82 through the Z-direction oblong hole 813.

[0123] The arc adjustment plate 83 is provided with a center hole 831 and an arc through hole 832, the center of the arc through hole 832 is the center hole 831, the threaded part positions the arc adjustment plate 83 through the center hole 831, and the threaded part connects the arc adjustment plate 83 to the middle plate 82 in an angle-adjustable manner through the arc through hole 832; its beneficial effect is: the adjustment seat 8 set up can rotate in the Y direction and in an arc, which greatly improves the adjustment range of the side light source 4, makes it easy to quickly obtain a good light source, and is firmly clamped, and there is no detection error caused by shaking during the detection process.

[0124] The end frame 7 includes two L-shaped legs 71, and the threaded part passes through the third oblong hole 711 on the horizontal plate of the L-shaped leg 71 and is adjustably connected to the base plate 11, and the threaded part passes through the fourth oblong hole 712 on the vertical plate of the L-shaped leg 71 and is adjustably connected to the side surface of the end plate 72, and the backlight source 3 is fixed on the upper surface of the end plate 72; its beneficial effects are: the end frame 7 can fix the backlight source 3 well, and the position is convenient to adjust, and at the same time, the installation accuracy is high, there is no shaking during the detection process, and the detection quality is stable and reliable.

[0125] The cantilever frame 5 includes a leg 52, a lower end plate 53 of the leg 52 is fixed to the rear end of the base plate 11, a first C-shaped groove 511 is formed on the rear side of the outrigger 51, a second C-shaped groove 541 is formed on the front side of the clamping plate 54, the first C-shaped groove 511 and the second C-shaped groove 541 are clamped on the side surface of the leg 52, and the clamping plate 54 is threadedly connected to the rear end of the outrigger 51;

[0126] The panel 12 is further provided with a third through hole 123 between the first through hole 121 and the second through hole 122. The third through hole 123 is an oblong hole or a rectangular hole.

[0127] The Z-shaped plate 14 is a bent structure, and a first oblong hole 142 is provided on the upper plate 141 of the Z-shaped plate 14, and a second oblong hole 144 is provided on the lower plate 143 of the Z-shaped plate 14. The screw members pass through the second oblong holes 144 to fix the lower plate 143 to both sides of the upper surface of the third through hole 123 and both sides of the lower plane, and the incident light sensors 9 are respectively installed in the first oblong holes 142; the beneficial effect is that the Z-shaped plate 14 set up has high strength and a large adjustment range.

[0128] A protrusion 151 is formed at the lower end of the vacuum suction plate 15. The protrusion 151 and the second through hole 122 have the same length and width. A ventilation cavity 152 is formed inside the protrusion 151. Suction holes 153 are evenly distributed on the upper surface of the vacuum suction plate 15. The suction holes 153 are connected to the ventilation cavity 152, and the air inlet and outlet holes 154 on the lower surface of the protrusion 151 are connected to the pneumatic circuit. The beneficial effect is that the vacuum suction plate 15 set up firmly fixes the material strip to prevent the position from moving, and the speed of establishing vacuum suction and breaking vacuum to release the material strip is fast, which greatly improves the efficiency.

[0129] A width baffle 10 is further provided between the first through hole 121 and the second through hole 122 at the rear end, a longitudinal oblong hole 103 is provided at the rear end of the width baffle 10, a notch 101 is provided at the front end of the width baffle 10, and an upper limit plate 102 is provided at the upper end of the notch 101. The beneficial effect is that the width baffle 10 provided with the arrangement can use roll-shaped material strips of different widths, and the notch 101 has good guiding performance, and the upper limit plate 102 prevents the material strip from jumping.

[0130] Preferably, the backlight source 3 includes LED lamp beads 31 and a lower soft light cover 32. The lower soft light cover 32 is a hemispherical shell. The opening surface of the lower soft light cover 32 is located at the upper end, and the LED lamp beads 31 are provided at the vertex hole of the lower soft light cover 32. The beneficial effect is: the backlight source 3 is arranged in a hemispherical shell shape, and good light adjustment is performed, so that the light of the entire plane of the lower end is soft and uniform.

[0131] Preferably, the carrier plate 16 is made of transparent glass or acrylic plastic plate. The beneficial effect is that the carrier plate 16 made of this material has high strength and high transparency.

[0132] Preferably, the side light source 4 is a rectangular strip light source. The beneficial effect is that the side light source 4 of this arrangement can provide a good average soft light source.

[0133] The above are only some embodiments of the present invention. For those skilled in the art, several modifications and improvements can be made without departing from the creative concept of the present invention, which all belong to the protection scope of the present invention.

Claims

1. An AOI inspection inkjet printer for die-cut products on a roll, characterized in that: Including chassis (01), The retaining frame (1) comprises a panel (12) and a base plate (11) which are arranged in parallel up and down, the base plate (11) being connected to the middle of the chassis (01), the rear end of the base plate (11) being vertically fixed to the sheet frame (02), a transparent loading plate (16) being respectively installed at the left end and the middle of the panel (12), and each loading plate (16) being respectively provided with a vacuum suction plate (15) at the left and right ends. A CCD camera (2) is arranged directly above the front end of the carrier plate (16), two side light sources (4) are located at the left and right ends of the front end of the carrier plate (16), a backlight source (3) is located directly below the front end of the carrier plate (16), a CCD camera (2) is arranged directly below the middle carrier plate (16), two side light sources (4) are located at the left and right ends below the middle carrier plate (16), the two side light sources (4) are symmetrically arranged laterally to generate a soft main light source, and a backlight source (3) is located directly above the middle carrier plate (16). The coding component (03) is arranged above the vacuum suction plate (15) at the rear end of the panel (12), and the coding component (03) is mounted on the rear end of the base plate (11) via a gantry (05). The three encoding components (04) are respectively arranged at the left end of the front loading plate (16), the right end of the middle loading plate (16) and the left end of the coding component (03). A material discharge assembly (011) is installed at the lower left end of the sheet rack (02), and a material collection assembly (012) is installed at the lower right end; a waste film collection assembly (013) is installed at the upper left end of the sheet rack (02), and a film discharge assembly (014) is installed at the upper right end. A feeder (06) is installed on the leftmost end of the base plate (11), and a receiver (07) is installed on the right end; A display screen (08) and a warning light (018) are vertically mounted in the middle of the sheet rack (02); an operating table (09) is mounted at the front end of the base plate (11); a control component is disposed in the chassis (01); and the display screen (08) and the operating table (09) are electrically connected to the control component; The unloading assembly (011) comprises a mounting plate (0111), wherein the mounting plate (0111) is fixed on the sheet frame (02), wherein the mounting plate (0111) and the motor plate (0112) are connected via a cylinder (0113), wherein a servo motor (0114) is fixed to the rear side of the motor plate (0112), wherein a shaft sleeve (0115) is fixed in the middle of the mounting plate (0111), wherein the shaft sleeve (0115) is rotatably connected to the shaft end of the pneumatic shaft (0110) via a bearing, wherein the pneumatic shaft (0110) and the servo motor (0114) are connected via a coupling (0116), wherein two limit discs (0117) are adjustably mounted on the pneumatic shaft (0110), wherein a rolled material strip is placed between the two limit discs (0117), The waste film collecting component (013), the film discharging component (014), the material collecting component (012) and the material discharging component (011) have the same structure.

2. The AOI inkjet printer for die-cut products on a roll according to claim 1, characterized in that: The sheet frame (02) comprises an upper beam (021) made of a rectangular aluminum profile, two lower beams (022) and two vertical supports (023), wherein the middle lower portion of the upper beam (021) is symmetrically and vertically connected to one of the vertical supports (023), and the lower end of the outer side surface of each of the vertical supports (023) is flushly connected to one of the lower beams (022), and the lower beams (022) are threadedly connected to the rear end of the base plate (11). A waste film collecting assembly (013) is installed on the left end of the upper beam (021), and a film placing assembly (014) is installed on the right end; a material placing assembly (011) is installed on the left end of the lower beam (022), and a material collecting assembly (012) is installed on the right end of the lower beam (022).

3. The AOI inkjet printer for die-cut products on a roll according to claim 1, characterized in that: The feeder (06) comprises a main frame (061), a rubber roller (062) is installed in the middle of a side plate (0611) of the main frame (061), one end of the rubber roller (062) passes through a through hole of the side plate (0611) and is connected to an outer traction servo motor (063) via a coupling. A U-shaped groove is provided in the upper end of the side plate (0611), and an adjusting slider (064) is slidably connected in each of the U-shaped grooves. A passive shaft (065) is inserted through the two adjusting sliders (064), and two passive rubber wheels (066) are rotatably connected to the passive shaft (065). One end of the passive shaft (065) passes through the adjusting slider (064) and is connected to a grip rod (067). A threaded block (068) is mounted on the U-shaped groove, an upper end of an adjusting screw (060) is fixed to the threaded block (068) and a lower end is closely attached to the upper surface of each adjusting slider (064). A material dragging plate (0614) is also installed on one side of the side plate (0611), and two material blocking plates (069) are symmetrically arranged on the material dragging plate (0614). A guide shaft (015) is also installed on the front side of the side plate (0611) of the feeder (06), and two limit sleeves (016) are sleeved on the guide shaft (015). The inner width of the two limit sleeves (016) is the same as the width of the tape. The material receiver (07) has the same structure as the material feeder (06), and an arc-shaped material receiving plate (017) is also installed on the rear side of the material receiver (07).

4. The AOI inkjet printer for detecting die-cut products on a roll according to claim 1, characterized in that: The encoding assembly (04) comprises an encoding roller (042) and a support (043), wherein the encoding roller (042) is axially connected to the encoder (041). The support (043) comprises a lower plate (0432) and an upper plate (0433); the front end of the lower plate (0432) and the rear end of the upper plate (0433) are connected to form a Z shape via a middle connecting plate (0434); the front end of the upper plate (0433) is vertically connected to a vertical connecting plate (0431); a threaded member is fixed to the base plate (11) via a fifth oblong hole of the lower plate (0432); and the encoder (041) is vertically fixed to the vertical connecting plate (0431).

5. The AOI inkjet printer for detecting die-cut products on a roll according to claim 1, characterized in that: The gantry (05) is adjustably connected to the base plate (11), the panel (12) is located in the door hole of the gantry (05), and the middle of the upper top plate (051) of the gantry (05) is threadedly connected to the horizontal plate of the right-angle bent plate (054). The inkjet printer assembly (03) comprises an inkjet printer (031) and a clamping seat (032), wherein the clamping seat (032) comprises a body (033), wherein a clamping hole (034) is formed in the middle of the body (033), wherein one side of the clamping hole (034) extends outward to form an elastic cutout (035), wherein two threaded blind holes (036) are provided on the inner side wall of the elastic cutout (035), and two trapezoidal through holes (037) are provided on the outer side wall of the elastic cutout (035), wherein a cylindrical head screw is screwed into the threaded blind hole (036) through the trapezoidal through hole (037) to fix the inkjet printer (031) in the clamping hole (034) in an adjustable manner up and down. The rear side of the body (033) extends upward and downward respectively to form ear plates (038), and the threaded member passes through the through holes of the ear plates (038) and is connected to the front side of the vertical plate of the right-angle bent plate (054).

6. The AOI inkjet printer for detecting die-cut products on a roll according to claim 1, characterized in that: The retaining frame (1) is connected to the base plate (11) at four corners of the panel (12) via a support column (13) respectively, thereby forming a three-dimensional frame structure. A first through hole (121) is formed at the front end and the middle of the panel (12), respectively; a second through hole (122) is formed at the front end and the rear end of the first through hole (121); a carrier plate (16) is installed in each of the first through holes (121); and a vacuum suction plate (15) is installed on each of the second through holes (122). A cantilever frame (5) is vertically fixed on the rear end of the substrate (11), and the CCD camera (2) at the front end is connected to the cantilever frame (5). A lower seat (17) is vertically fixed in the middle of the substrate (11), the CCD camera (2) in the middle is mounted on the lower seat (17), and a fourth through hole (111) is provided in the middle of the substrate (11), the fourth through hole (111) and the first through hole (121) in the middle are vertically opposite, and the CCD camera (2) in the middle is located below the fourth through hole (111). The lower end of each CCD camera (2) is connected to a high-definition lens (6), the front high-definition lens (6) is located directly above the carrier plate (16), and the middle high-definition lens (6) is located directly below the carrier plate (16), and each CCD camera (2) is electrically connected to a control module. The two ends of the backlight source (3) at the front end are adjustably connected to the substrate (11) via an end frame (7), and the two ends of the backlight source (3) in the middle are adjustably connected to the panel (12) via an end frame (7). The side light source (4) at the front end is adjustably connected to the panel (12) via an adjustment seat (8), and the side light source (4) in the middle is adjustably connected to the base plate (11) via the adjustment seat (8).

7. The AOI inkjet printer for detecting die-cut products on a roll according to claim 6, characterized in that: The adjustment seat (8) comprises a right-angle seat (81), the right-angle seat (81) comprises a horizontal plate (811) and a vertical plate (812) vertically connected to each other, the vertical plate (812) is provided with a Z-direction oblong hole (813), and the horizontal plate (811) is provided with a Y-direction oblong hole (814); The arc adjustment plate (83) is provided with a center hole (831) and an arc through hole (832); the center of the arc through hole (832) is the center hole (831); a threaded member positions the arc adjustment plate (83) through the center hole (831); and the threaded member connects the arc adjustment plate (83) to the intermediate plate (82) in an angle-adjustable manner through the arc through hole (832); The panel (12) is further provided with a third through hole (123) between the first through hole (121) and the second through hole (122); the Z-shaped plate (14) is a bent structure; and a through-light sensor (9) is installed on the first oblong hole (142) of the Z-shaped plate (14); A protrusion (151) is formed at the lower end of the vacuum suction fixing plate (15), a ventilation cavity (152) is formed inside the protrusion (151), suction holes (153) are evenly distributed on the upper surface of the vacuum suction fixing plate (15), the suction holes (153) are connected to the ventilation cavity (152), and the air inlet and outlet holes (154) on the lower surface of the protrusion (151) are connected to the pneumatic circuit; A width baffle (10) is further provided between the first through hole (121) and the second through hole (122) at the rear end, a longitudinal oblong hole (103) is provided at the rear end of the width baffle (10), a notch groove (101) is provided at the lower front end of the width baffle (10), and an upper limit plate (102) is provided at the upper end of the notch groove (101).

8. The AOI inkjet printer for detecting die-cut products on a roll according to claim 6, characterized in that The backlight source (3) comprises an LED lamp bead (31) and a lower soft light cover (32), wherein the lower soft light cover (32) is a hemispherical shell, the opening surface of the lower soft light cover (32) is located at the upper end, and the LED lamp bead (31) is provided at the vertex hole of the lower soft light cover (32); The object carrier plate (16) is made of transparent glass or acrylic plastic plate; The side light source (4) is a rectangular strip light source.

Citation Information

Patent Citations

  • AOI (Automatic Optical Inspection) ink-jet printer for die-cut product on coiled tape

    CN211567323U