Shielding case flexible packaging machine based on 3D line laser and visual inspection

Abstract

The shielding case flexible packaging machine based on 3D line laser and visual inspection comprises a workbench and a cabinet body above the workbench, a feeding station, a front-order detection station, a middle detection station, a packaging station and a rear-order detection station are arranged in the cabinet body, and the feeding end of a conveying belt of the feeding station and a finished product disc of the packaging station extend out of the cabinet body to facilitate feeding and discharging; a defective product removing mechanism and a carrying unit are arranged on the side face of the conveying belt, the carrying unit moves products on the conveying belt to the carrier belt, and the packaging unit packages qualified products in the carrier belt and rolls the qualified products to a finished product disc. Products conveyed by the conveying belt sequentially pass through the preorder detection station and the middle detection station in the cabinet body to achieve process detection and pass through the packaging station to complete packaging, and unqualified products are removed through the defective product removing mechanism. Automatic packaging of products is achieved through the controller, and the working efficiency and the product packaging qualification rate are improved; products and all station equipment are protected through the cabinet body, external pollution is avoided, and the packaging quality is further improved.

Description

Technical Field

[0001] The present invention belongs to the technical field of electronic product packaging equipment, and in particular relates to a shielding cover flexible packaging machine based on 3D line laser and visual detection. Background Art

[0002] Shielding covers are products used to shield electronic signals, and are mainly used in mobile phones, GPS and other devices. In the production process of shielding covers, due to their small size, they cannot be packaged independently. Technicians have developed packaging carriers. They only need to place the shielding cover products one by one into the holes of the carrier to achieve batch packaging. At present, although carrier packaging equipment can achieve automatic packaging, the product quality during the packaging process still needs manual monitoring. Not only is the inspection time-consuming and labor-intensive, but there is also a phenomenon of missed inspections, which affects the product's pass rate. Therefore, technicians have developed a shielding cover flexible packaging machine based on 3D line laser and visual inspection with visual inspection function. Summary of the invention

[0003] In order to solve the above problems, the present invention provides a shielding cover flexible packaging machine based on 3D line laser and visual inspection.

[0004] In order to solve the above technical problems, the technical solution adopted by the present invention is:

[0005] A shielding cover flexible packaging machine based on 3D line laser and visual inspection comprises a workbench and a cabinet above it, wherein a loading station, a pre-sequence inspection station, a middle inspection station, a packaging station and a post-sequence inspection station are arranged on the workbench, the conveyor belt feeding end of the loading station and the finished product tray of the packaging station are extended to the outside of the cabinet, the inspection components of the pre-sequence inspection station and the middle inspection station are respectively arranged above the conveyor belt in the cabinet and at its discharge end, and the inspection component of the post-sequence inspection station is arranged on the discharge side of the carrier channel of the packaging unit; a defective product removal mechanism and a conveying unit are arranged on the side of the conveyor belt, the conveying unit is used to move the products on the conveyor belt to the carrier belt of the packaging station, and the packaging unit of the packaging station is used to package qualified products in the carrier belt and reel them onto the finished product tray; a controller is arranged inside the lower part of the workbench, the conveyor belt, the conveying unit, the inspection component, the defective product removal mechanism and the packaging unit are all connected to the controller, and a control panel connected to the controller is arranged on the cabinet.

[0006] Preferably, the inspection components of the preceding inspection station include a first inspection camera, a second inspection camera and a positioning camera, the first inspection camera and the second inspection camera are spaced apart above the conveyor belt to inspect the front appearance quality of the product; the positioning camera is disposed above the discharge end of the conveyor belt to detect the position of the product; the conveying unit includes a first conveying unit and a second conveying unit, the first conveying unit is linked to the positioning camera to absorb the product and move it to the intermediate inspection station; the second conveying unit is used to move the product of the intermediate inspection station onto the carrier belt.

[0007] Detectors are arranged on opposite sides of the conveyor belt. The detectors are arranged on the outside of the cabinet and are used to detect whether there are products passing through the conveyor belt.

[0008] Preferably, the defective product removal mechanism includes an air gun and a collection box, the air gun connected to the compressed air is controlled by a controller, the air outlet of the air gun faces the products on the conveyor belt, and the air gun and the collection box are respectively arranged on both sides of the conveyor belt; an inclined material guide trough is arranged above the collection box, the high end inlet of the material guide trough corresponds to the air gun outlet, and the low end outlet of the material guide trough faces the collection box;

[0009] There are two defective product removal mechanisms, which are respectively arranged at the rear side of the first detection camera and the second detection camera, and are used to remove the defective products detected by the first detection camera and the second detection camera on the conveyor belt in turn.

[0010] Preferably, the inspection components of the intermediate inspection station include a third inspection camera, a fourth inspection camera and a fifth inspection camera. The third inspection camera is used to inspect the bottom appearance quality of the product, the fourth inspection camera is used to inspect the flatness of the product, and the fifth inspection camera is linked with the second conveying unit to correct the product from entering the loading belt.

[0011] Furthermore, there are two fourth inspection cameras arranged in parallel and respectively disposed below the parallel inspection jig A and the inspection jig B, the inspection jig A and the inspection jig B are both made of transparent glass, the first transport unit is used to alternately place the corrected products on the inspection jig A and the inspection jig B for flatness inspection; the second transport unit is used to move the qualified products on the inspection jig A and the inspection jig B into the holes of the carrier or to place the unqualified products into the defective product recovery box on the rear side of the carrier channel.

[0012] Preferably, the inspection components of the subsequent inspection station include a sixth inspection camera and a seventh inspection camera. The sixth inspection camera is arranged above the discharge side of the carrier channel to inspect the front side of the carrier after packaging; the seventh inspection camera is arranged below the discharge side of the carrier channel to inspect the back side of the carrier after packaging.

[0013] Preferably, the feeding end of the conveyor belt is connected with a loading machine, and the loading machine comprises a loading plate, a vibrating plate and a picking unit arranged on the loading platform, the loading plate is a semi-enclosed structure which is open on the top and open on one side, the open side of the loading plate is arranged above the vibrating plate, the vibrating plate is a disc-shaped structure with convex eaves on all sides, and the bottoms of the loading plate and the vibrating plate are both provided with a vibration motor; the loading plate and the vibrating plate are both inclined toward the lifting frame of the picking unit, and the lower end of the lifting frame of the picking unit is provided with a plurality of suction cups connected to an air source in parallel, and an eighth detection camera for positioning products is provided above the vibrating plate, and the eighth detection camera can be linked with the picking unit, and the picking unit is used to drive the suction cup to absorb the products on the vibrating plate and place them on the conveyor belt;

[0014] The material picking unit, the first transport unit and the second transport unit have the same structure, and all include an XY bidirectional moving component and a lifting frame with multiple suction cups. The suction cups connected to the air source are connected to the lifting and rotating mechanism in the lifting frame, and the lifting frame is driven by the XY bidirectional moving component.

[0015] Preferably, the packaging unit comprises a carrier channel, a carrier tray, a cover tray, a sealing mechanism and a finished product tray, wherein the carrier channel is arranged on a workbench, the carrier tray is arranged on a support plate below the table top of the workbench, and the table top of the workbench is provided with an opening for the carrier tape to pass through; the cover tray is arranged on a bracket on the side of the carrier channel and is located directly above the carrier channel, a guide rod for guiding the cover tape is arranged on the top of the bracket, and the guide rod is arranged on one side of the cover tray; the sealing mechanism is arranged on the top of the carrier channel, and is used to cover and fix the cover tape on the carrier tape;

[0016] The finished product tray is arranged on the side of the workbench and is connected to the workbench through a connecting rod. The finished product tray is driven by a first motor. The detection components of the subsequent detection station are arranged above and below the finished product carrier on the side of the connecting rod and are arranged on the outside of the workbench and the cabinet.

[0017] Preferably, the sealing mechanism includes a heat sealing assembly and an auxiliary pressing roller arranged in parallel, the heat sealing assembly is used to fix the cover tape on the carrier tape by hot pressing, the auxiliary pressing roller includes a cylinder and a cold air channel inside the cylinder, the cold air channel is connected to the air duct, the heat sealing assembly and the auxiliary pressing roller are used to successively heat seal and roll the cover tape and the carrier tape; one end of the heat sealing assembly and the auxiliary pressing roller are both connected to a support frame on the side of the carrier tape channel, a second motor is provided on the support frame, and the output shaft of the second motor is coaxially fixed to the auxiliary pressing roller.

[0018] Preferably, a guide rod is provided at the feed end of the carrier channel, and the carrier is laid flat on the carrier channel through the opening and through the gap between the guide rod and the carrier channel; a clamping mechanism is provided on the side of the carrier disk, and the clamping mechanism includes an elastic pressure plate and an adjusting wheel, the elastic pressure plate is an arc-shaped long strip, the lower end of the elastic pressure plate is connected to the edge of the support plate, and the upper end of the elastic pressure plate is pressed against the outer side surface of the carrier; the adjusting wheel includes a crank and a swing arm, the swing arm is connected to the support plate through a fixed rod, the swing arm is rotatably connected to the end of the fixed rod through a damping shaft, and a pin is provided on the side of the shaft on the fixed rod, and one end of the swing arm is correspondingly provided with a semicircular arc slideway cooperating with the pin; the other end of the swing arm is rotatably connected to the crank through the damping shaft, and the crank can be pressed against the outer side surface of the elastic pressure plate. The damping shaft can increase the friction between the swing arm and the crank, and between the swing arm and the shaft. After adjusting the position of the elastic pressure plate, the position of the crank and the swing arm can be fixed and will not change position due to a slight touch.

[0019] Compared with the prior art, the present invention has the following beneficial effects:

[0020] The present invention installs a cabinet above the workbench, and the conveyor belt conveys the products to the front inspection station and the middle inspection station in the cabinet in sequence to realize process inspection and complete packaging at the packaging station, and removes unqualified products through a defective product removal mechanism, thereby realizing automatic packaging of products, improving the work efficiency and the qualified rate of carrier tape packaging products; at the same time, the cabinet is used to protect the products and the equipment at each station to avoid external pollution, thereby further improving the packaging quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The accompanying drawings are used to provide further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the embodiments of the present invention and do not constitute a limitation of the present invention.

[0022] In the attached picture:

[0023] Figure 1 An appearance diagram of a shielding cover flexible packaging machine based on 3D line laser and visual inspection provided by an embodiment of the present invention;

[0024] Figure 2 It is a top view of the shielding cover flexible packaging machine based on 3D line laser and visual inspection in an embodiment of the present invention after removing the cabinet above the workbench;

[0025] Figure 3 for Figure 2 Stereoscopic image of

[0026] Figure 4 for Figure 2 A partial enlarged view of the middle A;

[0027] Figure 5 for Figure 2 A partial enlarged view of point B in the middle;

[0028] Figure 6 for Figure 2 A schematic diagram of the structure of the clamping mechanism at the rear side of the middle load reel;

[0029] Figure 7 It is a structural schematic diagram of a feeder in an embodiment of the present invention;

[0030] Figure 8 for Figure 7 C-direction view of the middle loader;

[0031] Fig. 9 for Figure 7 Top view of the middle loader;

[0032] In the figure:

[0033] 00-product; 1-workbench; 2-cabinet; 3-conveyor belt; 4-finished product tray; 5-carrier channel; 6-carrier; 7-control panel; 8-first detection camera; 9-second detection camera; 10-positioning camera; 11-first handling unit; 12-second handling unit; 101-XY bidirectional moving component, 102-lifting frame;

[0034] 13-fiber detector; 14-air gun; 15-collection box; 16-material guide trough; 17-third detection camera; 18-fifth detection camera; 19-detection fixture A; 20-detection fixture B; 21-defective product recovery box; 22-sixth detection camera; 23-seventh detection camera; 24-suction cup; 25-carrying reel; 26-cover reel; 27-support plate; 28-bracket; 29-semicircular slideway; 30-guide rod; 31-connecting rod; 3 2-first motor; 33-heat sealing assembly; 34-auxiliary pressure roller; 35-support frame; 36-second motor; 37-guide rod; 38-elastic pressure plate; 39-crank handle; 40-swing arm; 41-fixed rod; 42-photoelectric switch; 43-cabinet door; 44-protective cover; 45-loading platform; 46-loading tray; 47-vibration tray; 48-feeding unit; 49-vibration motor; 50-eighth detection camera; 51-mounting plate; 52-observation window. DETAILED DESCRIPTION

[0035] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention clearer, the present invention is further described in detail below in conjunction with the accompanying drawings and Examples. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention. In the following detailed description of the present invention, some specific details are described in detail. However, for the parts not described in detail, those skilled in the art can also fully understand the present invention.

[0036] In addition, those skilled in the art should understand that the drawings are only provided to illustrate the purpose, features and advantages of the present invention, and the drawings are not actually drawn to scale.

[0037] At the same time, unless the context clearly requires otherwise, the words "include", "comprises" and similar words throughout the specification and claims should be interpreted as inclusive rather than exclusive or exhaustive; that is, the meaning is "including but not limited to".

[0038] like Figure 1-3 As shown, a shielding cover flexible packaging machine based on 3D line laser and visual inspection provided by an embodiment of the present invention comprises a workbench 1 and a cabinet 2 above it, wherein the workbench 1 is provided with a loading station, a pre-sequence inspection station, a middle inspection station, a packaging station and a post-sequence inspection station, the feeding end of the conveyor belt 3 of the loading station and the finished product tray 4 of the packaging station are both extended to the outside of the cabinet 2, the inspection components of the pre-sequence inspection station and the middle inspection station are respectively arranged above the conveyor belt 3 in the cabinet 2 and at its discharge end, and the inspection components of the post-sequence inspection station are respectively arranged It is arranged on the discharge side of the carrier channel 5 of the packaging unit; the side of the conveyor belt 3 is provided with a defective product removal mechanism and a handling unit, the handling unit is used to move the product 00 on the conveyor belt 3 to the carrier belt 6 of the packaging station, and the packaging unit of the packaging station is used to package the qualified product in the carrier belt 6 and reel it onto the finished product tray 4; a controller is arranged inside the lower part of the workbench 1, and the conveyor belt 3, the handling unit, the detection component, the defective product removal mechanism and the packaging unit are all connected to the controller, and the cabinet 2 is provided with a control panel 7 connected to the controller. The product 00 in the figure is a schematic diagram of the shielding cover product. The staff operates on the control panel, which is convenient for controlling the components of each internal station through the controller. The products are in a row and enter each station in the cabinet in turn through the conveyor belt to realize the automatic packaging of electronic products.

[0039] During the specific production, transparent panels are installed on the front and rear doors 43 of the cabinet 2 to facilitate observation of the internal working status; at the same time, the doors 43 are rotatably connected to the cabinet frame through hinges to facilitate operation and maintenance. At the same time, an alarm light is installed on the top of the workbench 1. When an abnormal situation occurs in the equipment, an alarm is issued to facilitate the staff to take timely measures; rollers and lifting legs are installed at the bottom, which can be easily moved to any work location with the help of rollers. After arriving at the work location, the workbench is kept fixed with the help of the legs to ensure the stability of the workbench during the packaging process.

[0040] In a specific embodiment of the present invention, Figure 2 , 3As shown, the inspection components of the preceding inspection station include a first inspection camera 8, a second inspection camera 9 and a positioning camera 10. The first inspection camera 8 and the second inspection camera 9 are spaced apart above the conveyor belt 3 to inspect the front appearance quality of the product 00. The positioning camera 10 is disposed above the discharge end of the conveyor belt 3 to inspect the position of the product 00. The conveying unit includes a first conveying unit 11 and a second conveying unit 12. The first conveying unit 11 is linked to the positioning camera 10 to locate the product position and control the first conveying unit to absorb the product 00 and move it to the intermediate inspection station through the controller. The second conveying unit 12 is used to move the product 00 at the intermediate inspection station to the carrier belt 6. Among them, the first detection camera 8, the second detection camera 9 and the positioning camera 10 are all CCD cameras (which can be purchased outsourced according to production needs), which detect the front appearance of the product from the front respectively. The annular light source and coaxial light of this CCD camera are four-partition light sources, and the detection is carried out by taking four photos and combining the images. The global flying camera has a fast response speed and can complete the photo taking in a short time. Four photos are taken in 0.3 seconds to 0.5 seconds, and then the image with poor appearance is obtained through software image processing through the internal program. The defective product removal mechanism is controlled by the controller to remove it from the conveyor belt.

[0041] At the same time, optical fiber detectors 13 are arranged on both sides of the middle of the conveyor belt 3. The optical fiber detector 13 is arranged on the outside of the cabinet 2 and is used to detect whether there is a product 00 passing on the conveyor belt 3. The transmitting end of the optical fiber detector reflects the optical fiber. When a product passes on the conveyor belt, the receiving end on the opposite side will not receive the optical fiber signal; otherwise, the optical fiber signal will be received. At the same time, the optical fiber detector can sense the position of the product on the conveyor belt, and then send a signal to the controller to confirm the detection position of the CCD camera.

[0042] In a specific embodiment of the present invention, Figure 4 As shown, the defective product removal mechanism includes an air gun 14 and a collection box 15. The air gun 14 connected to the compressed air is controlled by the controller. The air outlet of the air gun 14 faces the product on the conveyor belt 3. The air gun 14 and the collection box 15 are respectively arranged on both sides of the conveyor belt 3; an inclined material guide trough 16 is arranged above the collection box 15, and the high-end inlet of the material guide trough 16 corresponds to the outlet of the air gun 14, and the low-end outlet of the material guide trough 16 faces the collection box 15. Among them, there are two defective product removal mechanisms, which are respectively arranged on the rear side of the first detection camera 8 and the second detection camera 9, and are used to sequentially remove the defective products detected by the first detection camera 8 and the second detection camera 9 on the conveyor belt 3. When the controller receives a defective product signal, the air gun can be started, and the defective products can be blown into the collection box on the opposite side by high-pressure airflow to realize automatic screening of products. Through two frontal inspections, missed inspections can be avoided.

[0043] When making specific Figure 3 As shown, the inspection components of the intermediate inspection station include a third inspection camera 17, a fourth inspection camera and a fifth inspection camera 18. The third inspection camera 17 is used to inspect the bottom appearance quality of the product, the fourth inspection camera is used to inspect the flatness of the product, and the fifth inspection camera 18 is linked with the second conveying unit 12 to correct the deviation of the product into the carrier. Among them, the third inspection camera and the fifth inspection camera are both CCD cameras (which can be purchased according to production needs). The third inspection camera is used to inspect the bottom appearance of the product, and at the same time, in cooperation with the first conveying unit, the product can be accurately placed on the inspection fixture on the top of the fourth inspection camera, and the flatness inspection is performed separately; the fifth inspection camera is used to inspect the position of the product, and in cooperation with the second conveying unit to realize the deviation correction action, so that the product can be accurately placed in the hole of the carrier.

[0044] In order to improve packaging efficiency, such as Figure 3 , 5 As shown, the fourth inspection camera is two parallel cameras, and is respectively arranged below the parallel inspection jig A19 and the inspection jig B20, both of which are transparent glass, and the first handling unit is used to alternately place the corrected products on the inspection jig A19 and the inspection jig B20 for flatness inspection; the second handling unit 12 is used to move the qualified products on the inspection jig A19 and the inspection jig B20 into the holes of the carrier 6 or to put the unqualified products into the defective product recovery box 21 at the rear side of the carrier channel 5. This solution can further improve the packaging efficiency by alternately inspecting the flatness of the product by two groups. Among them, the fourth inspection camera adopts a line laser 3D camera. During inspection, the first transport unit absorbs the product on the conveyor belt and puts it into the inspection fixture A first. The line laser 3D camera below starts inspection. The first transport unit then takes the product from the conveyor belt and puts it into the inspection fixture B to start inspection. At this time, the product on the inspection fixture A has been inspected, and the first transport unit takes the product from fixture A away. The cycle is repeated in sequence. The two groups of line lasers inspect alternately, and the first transport unit takes and places the product alternately from the inspection fixture A and the inspection fixture B respectively.

[0045] In a specific embodiment of the present invention, Figure 2 As shown, the detection components of the post-sequence detection station include a sixth detection camera 22 and a seventh detection camera 23. The sixth detection camera 22 is arranged above the discharge side of the carrier channel 5, and is used to detect the front side of the carrier after packaging; the seventh detection camera 23 is arranged below the discharge side of the carrier channel 5, and is used to detect the back side of the carrier after packaging. Among them, the sixth detection camera and the seventh detection camera are both CCD cameras, and the specific models can be purchased according to production needs. When the carrier packaging product is packaged, the sixth detection camera and the seventh detection camera are used to detect the upper front and bottom of the carrier respectively. When an abnormality is detected, the equipment alarms to facilitate the staff to deal with it in time.

[0046] Further optimize the above scheme, such as Figure 1 , 7 -9, the feed end of the conveyor belt 3 is connected to the loader, and the loader includes a loading tray 46, a vibrating tray 47 and a picking unit 48 arranged on the loading platform 45, the loading tray 46 is a semi-enclosed structure with an open top and an open side, the open side of the loading tray 46 is arranged above the vibrating tray 47, the vibrating tray 47 is a disc-shaped structure with convex eaves on all sides, and the bottom of the loading tray 46 and the vibrating tray 47 are both provided with a vibration motor 49; the loading tray 46 and the vibrating tray 47 are both inclined toward the lifting frame 102 of the picking unit 48, and the lower end of the lifting frame 102 of the picking unit 48 is provided with a plurality of suction cups 24 connected to an air source, and an eighth detection camera 50 for positioning products is provided above the vibrating tray 47, and the eighth detection camera 50 can be linked with the picking unit 48, and the picking unit 48 is used to drive the suction cup 24 to absorb the product on the vibrating tray 47 and place it on the conveyor belt 3. During the specific production, the eighth detection camera 50 is arranged on the upper mounting plate 51; a protective cover 44 is arranged on the outside of the feeder, and the protective cover 44 is placed on the top of the feed platform 45, and a transparent observation window 52 and a control panel are arranged on the side wall of the protective cover 44; the feeding end of the feed tray 46 extends to the outside of the protective cover 44, and the vibration tray 47, the material taking unit 48 and the eighth detection camera 50 are all arranged in the protective cover 44. At the same time, a control cabinet is arranged below the feed platform, which can control the feed tray 46, the vibration tray 47, the material taking unit 48 and the eighth detection camera 50, realize automatic feeding of the shielding cover on the conveyor belt, and an alarm light is installed on the top of the protective cover, which can timely alarm when the equipment is abnormal.

[0047] When designing specifically, Figure 3 , 7 As shown, the material picking unit 48, the first handling unit 11 and the second handling unit 12 have the same structure, and all include an XY bidirectional moving component 101 and a lifting frame 102 with multiple suction cups 24. The suction cups 24 connected to the air source are connected to the lifting and rotating mechanism in the lifting frame 102, and the lifting frame 102 is driven by the XY bidirectional moving component 101. The lifting frame is driven to move left and right and forward and backward by the XY bidirectional moving component, and then the suction cups are driven by the lifting and rotating mechanism to achieve up and down and rotation movements. In this embodiment, there are 10 suction cups in the material picking unit 48, and 4 suction cups in the first handling unit 11 and the second handling unit 12 are arranged in parallel. The specific number can also be adjusted according to actual production conditions. The XY bidirectional moving component can use a screw drive to achieve XY movement, and the lifting and rotating mechanism can use a screw drive and a rotating motor to achieve Z and rotation movements. Of course, other structures can also be used as long as they can achieve movements in three directions. The X Y Z R four-axis mechanism used by the above-mentioned material picking unit and the handling unit is a prior art and will not be repeated here.

[0048] In a specific embodiment of the present invention, Figure 2 , 3 As shown, the packaging unit includes a carrier channel 5, a carrier reel 25, a cover reel 26, a sealing mechanism and a finished product reel 4. The carrier channel 5 is arranged on a workbench 1, and the carrier reel 25 is arranged on a support plate 27 below the table of the workbench 1. The table of the workbench 1 is provided with an opening for the carrier 6 to pass through; the cover reel 26 is arranged on a bracket 28 on the side of the carrier channel 5 and is directly above the carrier channel 5. The top of the bracket 28 is provided with a guide rod 30 for guiding the cover tape, and the guide rod 30 is arranged on one side of the cover reel 26; the sealing mechanism is arranged on the top of the carrier channel 5, and is used to cover and fix the cover tape on the carrier 6. Among them, the rotating shafts of the carrier reel and the cover reel are provided with a rotation damper, which can control the rotation speed of the carrier reel and the cover reel. At the same time, the finished product tray 4 is arranged on the side of the workbench 1 and is connected to the workbench 1 through a connecting rod 31. The finished product tray 4 is driven by a first motor 32; the detection component of the subsequent detection station is arranged above and below the finished product carrier on the side of the connecting rod 31, and is arranged on the outside of the workbench 1 and the cabinet 2.

[0049] In addition, photoelectric switches 42 are provided on both sides of the feeding end of the carrier channel before the carrier packaging to detect whether there is material shortage, floating material or overlapping material in the holes of the carrier. When an abnormality occurs, the equipment will issue an alarm.

[0050] As a preferred structure, the sealing mechanism includes a heat sealing assembly 33 and an auxiliary pressing roller 34 arranged in parallel, the heat sealing assembly 33 is used to hot-press and fix the cover tape 29 on the upper surface of the carrier tape 6, the auxiliary pressing roller 34 includes a cylinder and a cold air channel inside it, the cold air channel is connected to the air duct, the heat sealing assembly 33 and the auxiliary pressing roller 34 are used to heat-seal and roll the cover tape 29 and the carrier tape 6 in turn; one end of the heat sealing assembly 33 and the auxiliary pressing roller 34 are both connected to a support frame 35 on the side of the carrier tape channel 5, and a second motor 36 is provided on the support frame 35, and the output shaft of the second motor 36 is coaxially fixed with the auxiliary pressing roller 34. The above-mentioned sealing mechanism is a prior art and will not be described in detail here. The sealing mechanism can realize heat sealing and cold sealing of the cover tape and the carrier tape, and at the same time, the maximum width of the carrier tape is 60 mm, which has strong versatility.

[0051] When making specific Figure 3 , 6As shown, a guide rod 37 is provided at the feeding end of the carrier channel 5, and the carrier tape 6 is laid flat on the carrier channel 5 through the opening and the gap between the guide rod 37 and the carrier channel 5; a clamping mechanism is provided on the side of the carrier disk 25, and the clamping mechanism includes an elastic pressure plate 38 and an adjusting wheel, and the elastic pressure plate 38 is an arc-shaped long strip plate, and the lower end of the elastic pressure plate 38 is connected to the edge of the support plate 27, and the upper end of the elastic pressure plate 38 is pressed against the outer side of the carrier tape 6; The adjusting wheel includes a crank 39 and a swing arm 40. The swing arm 40 is connected to the support plate 27 through a fixed rod 41. The ends of the swing arm 40 and the fixed rod 41 are connected in rotation through a damping shaft, and a pin is provided on the side of the shaft on the fixed rod 41. One end of the swing arm 40 is provided with a semicircular slideway 29 that matches the pin; the other end of the swing arm 40 is connected in rotation with the crank 39 through a damping shaft, and the crank 39 can be pressed against the outer surface of the elastic pressure plate 38. The damping shaft can increase the friction between the swing arm and the crank, and between the swing arm and the shaft. After adjusting the position of the elastic pressure plate, the position of the crank and the swing arm can be fixed and will not change due to a slight touch. The elastic pressure plate can apply pressure to the carrier tape by rotating the crank and the swing arm, and the top tip of the elastic pressure plate can be used to press the carrier tape against the guide rod to ensure that the carrier tape is laid on the carrier tape channel.

[0052] In summary, the present invention has the advantages of compact structure, high qualified rate of packaged products, and high degree of automation. Products are manually placed on the conveyor belt in a row, and the appearance is inspected one by one through the CCD camera inside the cabinet, and defective products on the conveyor belt are removed by an air gun and blown into a collection box. Then, the first conveying unit sucks the products on the conveyor belt and alternately moves them to two inspection jigs, and two line laser 3D cameras are used to perform flatness inspection; then the second conveying unit sucks qualified products and moves them into the holes of the carrier belt or puts unqualified products into the defective product recovery box; the cover belt and the carrier belt are packaged and fixed by a sealing mechanism, and then the carrier belt is wound on the finished product tray, and the appearance of the upper and lower surfaces of the packaged carrier belt is inspected by a CCD camera before winding the carrier belt, so as to further ensure the packaging quality and avoid missed inspections. The present invention is particularly suitable for assembly line packaging of shielding cover products.

[0053] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the scope of protection of the claims of the present invention.

Claims

1. A shielding cover flexible packaging machine based on 3D line laser and visual inspection, characterized by: It comprises a workbench and a cabinet above it, wherein a loading station, a pre-sequence inspection station, a middle inspection station, a packaging station and a post-sequence inspection station are arranged on the workbench, the conveyor belt feeding end of the loading station and the finished product tray of the packaging station are extended to the outside of the cabinet, the inspection components of the pre-sequence inspection station and the middle inspection station are respectively arranged above the conveyor belt in the cabinet and at its discharge end, and the inspection component of the post-sequence inspection station is arranged on the discharge side of the carrier channel of the packaging unit; a defective product removal mechanism and a conveying unit are arranged on the side of the conveyor belt, the conveying unit is used to move the products on the conveyor belt to the carrier belt of the packaging station, and the packaging unit of the packaging station is used to package qualified products in the carrier belt and reel them onto the finished product tray; a controller is arranged inside the lower part of the workbench, the conveyor belt, the conveying unit, the inspection component, the defective product removal mechanism and the packaging unit are all connected to the controller, and a control panel connected to the controller is arranged on the cabinet.

2. According to claim 1, a shielding cover flexible packaging machine based on 3D line laser and visual inspection is characterized in that: The inspection component of the preceding inspection station includes a first inspection camera, a second inspection camera and a positioning camera. The first inspection camera and the second inspection camera are spaced apart above the conveyor belt to inspect the front appearance quality of the product. The positioning camera is disposed above the discharge end of the conveyor belt to inspect the position of the product. The conveying unit includes a first conveying unit and a second conveying unit. The first conveying unit is linked to the positioning camera to absorb the product and move it to the intermediate inspection station. The second conveying unit is used to move the product of the intermediate inspection station onto the carrier belt.

3. According to claim 2, a shielding cover flexible packaging machine based on 3D line laser and visual inspection is characterized in that: The defective product removal mechanism includes an air gun and a collection box. The air gun connected to the compressed air is controlled by a controller. The air outlet of the air gun faces the products on the conveyor belt. The air gun and the collection box are respectively arranged on both sides of the conveyor belt. An inclined material guide trough is arranged above the collection box. The high-end inlet of the material guide trough corresponds to the outlet of the air gun, and the low-end outlet of the material guide trough faces the collection box. There are two defective product removal mechanisms, which are respectively arranged at the rear side of the first detection camera and the second detection camera, and are used to remove the defective products detected by the first detection camera and the second detection camera on the conveyor belt in turn.

4. The shielding cover flexible packaging machine based on 3D line laser and visual inspection according to claim 2, characterized in that: The inspection components of the intermediate inspection station include a third inspection camera, a fourth inspection camera and a fifth inspection camera. The third inspection camera is used to inspect the bottom appearance quality of the product, the fourth inspection camera is used to inspect the flatness of the product, and the fifth inspection camera is linked with the second transport unit to correct the product from entering the loading belt.

5. The shielding cover flexible packaging machine based on 3D line laser and visual inspection according to claim 4, characterized in that: The fourth inspection cameras are two parallel cameras, and are respectively arranged below the parallel inspection jig A and the inspection jig B. The inspection jig A and the inspection jig B are both transparent glass. The first conveying unit is used to alternately place the corrected products on the inspection jig A and the inspection jig B for flatness inspection; the second conveying unit is used to move the qualified products on the inspection jig A and the inspection jig B into the carrier holes or put the unqualified products into the defective product recovery box on the rear side of the carrier channel.

6. The shielding cover flexible packaging machine based on 3D line laser and visual inspection according to claim 1, characterized in that: The inspection components of the subsequent inspection station include a sixth inspection camera and a seventh inspection camera. The sixth inspection camera is arranged above the discharge side of the carrier channel to inspect the front side of the carrier after packaging; the seventh inspection camera is arranged below the discharge side of the carrier channel to inspect the back side of the carrier after packaging.

7. The shielding cover flexible packaging machine based on 3D line laser and visual inspection according to claim 2, characterized in that: The feeding end of the conveyor belt is connected with a loading machine, and the loading machine comprises a loading plate, a vibrating plate and a picking unit arranged on the loading platform, the loading plate is a semi-enclosed structure which is open on the top and open on one side, the opening side of the loading plate is arranged above the vibrating plate, the vibrating plate is a disc-shaped structure with convex eaves on all sides, and a vibration motor is provided at the bottom of the loading plate and the vibrating plate; the loading plate and the vibrating plate are both inclined toward the lifting frame of the picking unit, and a plurality of suction cups connected to an air source are arranged in parallel at the lower end of the lifting frame of the picking unit, and an eighth detection camera for positioning products is provided above the vibrating plate, and the eighth detection camera can be linked with the picking unit, and the picking unit is used to drive the suction cup to absorb the product on the vibrating plate and place it on the conveyor belt; The material picking unit, the first transport unit and the second transport unit have the same structure, and all include an XY bidirectional moving component and a lifting frame with multiple suction cups. The suction cups connected to the air source are connected to the lifting and rotating mechanism in the lifting frame, and the lifting frame is driven by the XY bidirectional moving component.

8. A shielding cover flexible packaging machine based on 3D line laser and visual inspection according to any one of claims 1 to 7, characterized in that: The packaging unit comprises a carrier channel, a carrier tray, a cover tray, a sealing mechanism and a finished product tray, wherein the carrier channel is arranged on a workbench, the carrier tray is arranged on a support plate below the table top of the workbench, and an opening is arranged on the table top of the workbench for the carrier tape to pass through; the cover tray is arranged on a bracket on the side of the carrier channel and is directly above the carrier channel, a guide rod for guiding the cover tape is arranged on the top of the bracket, and the guide rod is arranged on one side of the cover tray; the sealing mechanism is arranged on the top of the carrier channel, and is used to cover and fix the cover tape on the carrier tape; The finished product tray is arranged on the side of the workbench and is connected to the workbench through a connecting rod. The finished product tray is driven by a first motor. The detection components of the subsequent detection station are arranged above and below the finished product carrier on the side of the connecting rod and are arranged on the outside of the workbench and the cabinet.

9. The shielding cover flexible packaging machine based on 3D line laser and visual inspection according to claim 8, characterized in that: The sealing mechanism includes a heat sealing assembly and an auxiliary pressing roller arranged in parallel, the heat sealing assembly is used to fix the cover tape on the carrier tape by hot pressing, the auxiliary pressing roller includes a cylinder and a cold air channel inside thereof, the cold air channel is connected to the air duct, the heat sealing assembly and the auxiliary pressing roller are used to successively heat seal and roll the cover tape and the carrier tape; one end of the heat sealing assembly and the auxiliary pressing roller are both connected to a support frame on the side of the carrier tape channel, a second motor is provided on the support frame, and an output shaft of the second motor is coaxially fixed to the auxiliary pressing roller.

10. The shielding cover flexible packaging machine based on 3D line laser and visual inspection according to claim 8, characterized in that: A guide rod is provided at the feed end of the carrier channel, and the carrier is laid flat on the carrier channel through the opening and through the gap between the guide rod and the carrier channel; a clamping mechanism is provided on the side of the carrier disk, and the clamping mechanism includes an elastic pressure plate and an adjusting wheel, the elastic pressure plate is an arc-shaped long strip, the lower end of the elastic pressure plate is connected to the edge of the support plate, and the upper end of the elastic pressure plate is pressed against the outer side surface of the carrier; the adjusting wheel includes a crank and a swing arm, the swing arm is connected to the support plate through a fixed rod, the swing arm is rotatably connected to the end of the fixed rod through a damping shaft, and a pin is provided on the side of the shaft on the fixed rod, and one end of the swing arm is correspondingly provided with a semicircular arc slideway cooperating with the pin; the other end of the swing arm is rotatably connected to the crank through the damping shaft, and the crank can be pressed against the outer side surface of the elastic pressure plate.

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