Ceramic bottle AOI detection machine with multi-station cooperative detection

Abstract

The invention discloses a multi-station cooperative detection ceramic bottle AOI detection machine, and relates to the technical field of industrial automatic detection equipment, the multi-station cooperative detection ceramic bottle AOI detection machine comprises an equipment main body and a detection module in the center of the equipment main body, and the equipment main body is internally provided with a feeding module, a rotating module, a carrying module, an OK discharging module and an NG discharging module; the feeding module grabs bottle bodies on a production line to a detection position of the detection module, the rotating module rotates the bottle bodies on the detection position needing to be rotated, the carrying module carries the bottle bodies on multiple stations to the next station, and the OK discharging module carries out marking and carrying on the detected bottle bodies. And the NG blanking module caches the bottle body marked by the OK blanking module. Through a multi-station cooperative structure integrating the feeding module, the rotating module, the carrying module and the OK / NG discharging module, continuous feeding, multi-angle detection and automatic sorting and marking of the ceramic bottles are achieved, manual intervention is greatly reduced, the detection efficiency is improved by 40% or above, and the detection rate of each line is not smaller than 2700 bottles per hour.

Description

Technical Field

[0001] The present invention relates to the technical field of industrial automation detection equipment, and in particular to an AOI inspection machine for ceramic bottles with multi-station collaborative detection. Background Art

[0002] Currently, ceramic bottle defect detection relies on manual visual inspection, which has problems such as low efficiency (less than 1,000 pieces / hour), high missed detection rate (more than 1%), and high misjudgment rate; and the efficiency of single-station inspection is insufficient (less than 1,500 pieces / hour). Summary of the Invention

[0003] The purpose of the present invention is to provide a ceramic bottle AOI inspection machine with multi-station collaborative inspection to solve the problems raised in the above background technology.

[0004] In order to achieve the above-mentioned purpose, the present invention provides the following technical solutions: including an equipment main body and an inspection module at the center thereof, wherein a loading module, a rotating module, a conveying module, an OK blanking module and an NG blanking module are arranged inside the equipment main body, the loading module is located in front of the inspection module, and grabs the bottle body on the production line to the inspection position of the inspection module, the rotating module is located below the inspection module, and rotates the bottle body on the inspection position that needs to be rotated, the conveying module is located on one side of the rotating module, and conveys the bottle body on the multi-station to the next station, the OK blanking module is located at the end of the inspection module, and marks and conveys the inspected bottle body, and the NG blanking module is located at the end of the inspection module and intersects with the OK blanking module, and caches the bottle body marked by the OK blanking module.

[0005] Further preferably, the loading module includes a fixed frame, a first linear motor, a material picking gripper 1 and a material picking gripper 2, the first linear motor is horizontally fixed on the fixed frame, and the material picking gripper 1 and the material picking gripper 2 are respectively connected to the secondary of the first linear motor through an axis module, so that the material picking gripper 1 and the material picking gripper 2 can move independently in the horizontal and vertical directions.

[0006] Preferably, the rotating module includes a base, a detection platform, a suction cup and a rotating motor. The detection platform is fixedly connected to the base, and several of the suction cups are rotatably connected to the surface of the detection platform. A transmission shaft is fixedly connected to the bottom of the suction cup and the transmission shaft passes through the bottom of the detection platform. The rotating motor is fixedly connected to one side of the base, and the transmission shaft is transmission-connected to the output end of the rotating motor.

[0007] Preferably, a tensioning wheel is provided on one side of the testing platform close to the rotating motor, a tensioning wheel is provided between two adjacent suction cups at the bottom of the testing platform, and the tensioning wheel between the two suction cups is offset to a side away from the rotating motor.

[0008] Preferably, the transport module includes an X-axis linear motor, a mobile platform, a Y-axis cylinder, a Z-axis cylinder, a clamping rod and a clamping cylinder. The mobile platform is fixedly connected to the secondary of the X-axis linear motor, the Y-axis cylinder is fixedly connected to one side of the mobile platform, the output end of the Y-axis cylinder is fixedly connected to the carrier, the upper surface of the carrier is fixedly connected to the Z-axis cylinder, the output end of the Z-axis cylinder is fixedly connected to the clamping rod, and the clamping rod is provided with a number of evenly distributed clamping cylinders, and the end of the clamping cylinder is connected to a pneumatic clamp.

[0009] Preferably, a limit plate is provided on the side of the movable platform away from the Y-axis cylinder, and buffers are provided at both ends of the carrier.

[0010] Preferably, the OK unloading module includes a bracket, a second linear motor, a material picking gripper three and a material picking gripper four. The second linear motor is horizontally fixed on the bracket. The material picking gripper three and the material picking gripper four are respectively connected to the secondary of the second linear motor through an axis module, so that the material picking gripper three and the material picking gripper four can move independently in the horizontal and vertical directions. A marking mechanism is fixedly connected to the bracket on one side below the material picking gripper three.

[0011] Preferably, the marking mechanism includes a fixed frame, a connecting plate is provided on the top of the fixed frame, a plurality of connecting holes are provided on the upper surface of the connecting plate, a support plate is connected to the connecting plate, through holes matching the connecting holes provided on the connecting plate are provided on the surface of the support plate, a U-shaped plate is fixedly connected to the middle of the support plate, connecting shafts are fixedly connected to the two side surfaces of the U-shaped plate, a fixed block is slidably connected to the other end of the connecting shaft, a marking pen is connected through the middle of the fixed block, and the end of the marking pen passes through the groove in the middle of the U-shaped plate.

[0012] Preferably, the NG unloading module includes an NG assembly line, a cache position is provided at the end of the NG assembly line, and the cache position is configured to include a telescopic motor below the end of the NG assembly line, and the output end of the telescopic motor is connected to a support frame, and the support frame passes through the conveyor belt of the NG assembly line, and the top of the support frame is arc-shaped.

[0013] In the above technical solution, the technical effects and advantages provided by the present invention are:

[0014] 1. The present invention realizes continuous loading, multi-angle detection, automatic sorting and marking of ceramic bottles through a multi-station collaborative structure integrating the loading module, rotating module, transport module and OK / NG unloading module, which greatly reduces manual intervention and improves the detection efficiency by more than 40%. Each line can produce no less than 2,700 bottles per hour.

[0015] 2. The rotating module of the present invention is linked with the rotating motor through the suction cup to drive the bottle body to rotate accurately, ensuring that the detection module can cover 360° surface defects of the bottle body.

[0016] 3. The handling module of the present invention adopts X / Y / Z three-axis linkage + pneumatic grippers, and realizes millimeter-level positioning and handling of bottles between workstations through the composite control of linear motors and cylinders. Buffers and limit plates are added to the platform to effectively absorb mechanical vibrations and prevent bottle displacement or collision damage.

[0017] 4. The present invention integrates automated sorting and marking: the OK unloading module integrates a marking mechanism, using an adjustable marking pen (U-shaped plate + fixed block sliding design) to quickly mark the surface of unqualified bottles to avoid mixing; the NG unloading module intelligently caches: the arc-shaped support frame is driven by a telescopic motor to rise, forming a temporary cache area under the conveyor belt, automatically isolating defective products and stacking them in order.

[0018] 5. The dual-position layout of the tensioning wheel in the rotary module of the present invention (on the side of the test table and between the suction cups) enhances the stability of the transmission belt and reduces the frequency of equipment maintenance.

[0019] 6. The present invention optimizes space utilization, and the modules in the main body of the equipment adopt a compact layout; the loading and detection positions are aligned in a straight line to reduce the grasping path; the ends of the OK / NG unloading modules are intersected and share the sorting area, saving 30% of the equipment space. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments described in the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0021] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0022] Figure 2 This is a schematic diagram of the plane layout of the present invention;

[0023] Figure 3 This is a schematic diagram of the detection module structure of the present invention;

[0024] Figure 4 This is a schematic diagram of the three-dimensional structure of the feeding module of the present invention;

[0025] Figure 5 This is a schematic diagram of the planar structure of the feeding module of the present invention;

[0026] Figure 6 This is a schematic diagram of the rotary module structure of the present invention;

[0027] Figure 7 This is a schematic diagram of the bottom structure of the rotary module of the present invention;

[0028] Figure 8This is a schematic diagram of the structure of the transport module of the present invention;

[0029] Figure 9 This is a schematic diagram of the OK blanking module structure of the present invention;

[0030] Figure 10 This is a schematic diagram of the planar structure of the OK blanking module of the present invention;

[0031] Figure 11 Schematic diagram of the structure of the marking mechanism of the present invention

[0032] Figure 12 This is a schematic diagram of the three-dimensional structure of the NG blanking module of the present invention;

[0033] Figure 13 It is a schematic diagram of the planar structure of the NG blanking module of the present invention.

[0034] Description of reference numerals:

[0035] 1. Equipment body; 2. Inspection module; 3. Loading module; 4. Rotating module; 5. Handling module; 6. OK unloading module; 7. NG unloading module; 31. Fixed frame; 32. First linear motor; 33. Retrieving gripper 1; 34. Retrieving gripper 2; 41. Base; 42. Inspection table; 43. Suction cup; 44. Rotating motor; 45. Drive shaft; 46. Tensioner; 51. X-axis linear motor; 52. Moving platform; 53. Y-axis cylinder; 54. Z Axis cylinder; 55. Gripper connecting rod; 56. Gripper cylinder; 57. Carrier; 58. Limit plate; 59. Buffer; 61. Bracket; 62. Second linear motor; 63. Pickup gripper three; 64. Pickup gripper four; 65. Marking mechanism; 71. NG assembly line; 72. Cache position; 73. Telescopic motor; 74. Support frame; 651. Fixed frame; 652. Connecting plate; 653. Support plate; 654. U-shaped plate; 655. Fixed block; 656. Marking pen. DETAILED DESCRIPTION

[0036] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings.

[0037] like Figure 1-13As shown, the ceramic bottle AOI inspection machine with multi-station collaborative inspection includes an equipment main body 1 and an inspection module 2 at its center. A loading module 3, a rotating module 4, a transporting module 5, an OK unloading module 6 and an NG unloading module 7 are arranged inside the equipment main body 1. The loading module 3 is located in front of the inspection module 2, and grabs the bottle body on the production line to the inspection position of the inspection module 2. The rotating module 4 is located below the inspection module 2, and rotates the bottle body on the inspection position that needs to be rotated. The transporting module 5 is located on one side of the rotating module 4, and transports the bottle body on the multi-station to the next station. The OK unloading module 6 is located at the end of the inspection module 2, and marks and transports the inspected bottle body. The NG unloading module 7 is located at the end of the inspection module 2 and intersects with the OK unloading module 6, and caches the bottle body marked by the OK unloading module 6.

[0038] The main body 1 of the equipment adopts a modular layout, and the action sequence of each module is centrally controlled by PLC: the loading module 3 grabs the bottle body → the rotation module 4 adjusts the detection angle → the detection module 2 completes multi-faceted scanning → the transport module 5 transfers it to the next workstation → the OK / NG unloading module synchronously sorts. This process realizes full closed-loop automation.

[0039] More preferably, Figure 4 、 5 As shown, the loading module 3 includes a fixed frame 31, a first linear motor 32, a material grabbing gripper 1 33 and a material grabbing gripper 2 34. The first linear motor 32 is horizontally fixed to the fixed frame 31. The material grabbing gripper 1 33 and the material grabbing gripper 2 34 are respectively connected to the secondary of the first linear motor 32 through an axis module, so that the material grabbing gripper 1 33 and the material grabbing gripper 2 34 can move independently in the horizontal direction and the vertical direction.

[0040] The two grippers work together. The first and second grippers 33 and 34 are driven by independent axis modules (linear motor + ball screw) to achieve alternating gripping. When the first gripper 33 descends to pick up materials, the second gripper 34 rises and resets, shortening the loading cycle by 30%. The photoelectric sensor integrated at the end of the axis module detects the position offset of the bottle in real time and dynamically corrects the gripping trajectory.

[0041] like Figure 6 As shown, the rotating module 4 includes a base 41, a detection table 42, a suction cup 43 and a rotating motor 44. The detection table 42 is fixedly connected to the base 41, and a number of suction cups 43 are rotatably connected to the surface of the detection table 42. A transmission shaft 45 is fixedly connected to the bottom of the suction cup 43 and the transmission shaft 45 passes through the bottom of the detection table 42. The rotating motor 44 is fixedly connected to one side of the base 41, and the transmission shaft 45 is transmission-connected to the output end of the rotating motor 44; the rotating motor 44 drives the transmission shaft 45 through a synchronous belt to ensure that multiple suction cups 43 rotate synchronously. The suction cup 43 is connected to an independent vacuum generator to start and stop the adsorption force according to the requirements of the detection station. In addition, the synchronous belt of the rotating module 4 can be equipped with a protective cover.

[0042] like Figure 7 As shown, a tensioning wheel 46 is provided on one side of the testing platform 42 close to the rotating motor 44, and a tensioning wheel 46 is provided between two adjacent suction cups 43 at the bottom of the testing platform 42. The tensioning wheel 46 located between the two suction cups 43 is offset toward the side away from the rotating motor 44. The offset layout of the tensioning wheel 46 increases the belt wrap angle to prevent transmission slippage.

[0043] like Figure 8 As shown, the transport module 5 includes an X-axis linear motor 51, a mobile platform 52, a Y-axis cylinder 53, a Z-axis cylinder 54, a clamping rod 55 and a clamping cylinder 56. The mobile platform 52 is fixedly connected to the secondary of the X-axis linear motor 51, the Y-axis cylinder 53 is fixedly connected to one side of the mobile platform 52, the output end of the Y-axis cylinder 53 is fixedly connected to the carrier 57, the upper surface of the carrier 57 is fixedly connected to the Z-axis cylinder 54, the output end of the Z-axis cylinder 54 is fixedly connected to the clamping rod 55, and the clamping rod 55 is provided with a number of evenly distributed clamping cylinders 56, and the end of the clamping cylinder 56 is connected to a pneumatic clamping rod; a limit plate 58 is provided on the side of the mobile platform 52 away from the Y-axis cylinder 53, and buffers 59 are provided at both ends of the carrier 57;

[0044] Three-axis linkage handling: X-axis linear motor 51 drives mobile platform 52; Y-axis cylinder 53 and Z-axis cylinder 54 realize short-distance rapid extension and retraction; buffer 59 (hydraulic damper) absorbs the impact of platform 57 in place; gripper cylinder 56 adopts parallel air circuit, and single action can synchronously grip multiple bottles.

[0045] like Figure 9 、 10 As shown, the OK unloading module 6 includes a bracket 61, a second linear motor 62, a third material grabber 63 and a fourth material grabber 64. The second linear motor 62 is horizontally fixed on the bracket 61. The third material grabber 63 and the fourth material grabber 64 are respectively connected to the secondary of the second linear motor 62 through an axis module, so that the third material grabber 63 and the fourth material grabber 64 can move independently in the horizontal direction and the vertical direction. A marking mechanism 65 is fixedly connected to the bracket 61 on one side below the third material grabber 63.

[0046] Specifically, such as Figure 11 As shown, the marking mechanism 65 includes a fixed frame 651, a connecting plate 652 is provided on the top of the fixed frame 651, a plurality of connecting holes are opened on the upper surface of the connecting plate 652, a support plate 653 is connected to the connecting plate 652, and a through hole is opened on the surface of the support plate 653 that matches the connecting holes opened on the connecting plate 652, a U-shaped plate 654 is fixedly connected to the middle of the support plate 653, connecting shafts are fixedly connected to the two sides of the U-shaped plate 654, and a fixed block 655 is slidably connected to the other end of the connecting shaft, a marking pen 656 is connected through the middle of the fixed block 655, and the end of the marking pen 656 passes through the groove in the middle of the U-shaped plate 654;

[0047] The connecting plate 652 and the supporting plate 653 are connected by bolts to achieve adjustable position of the marking pen 656; the sliding connection (linear bearing) of the fixed block 655 allows the marking pressure to adapt to the curved surface of the bottle body; the material picking gripper three 63 performs marking and transports it to the cache position 72 of the assembly line 71, and the material picking gripper four 64 transports qualified products to form an assembly line operation.

[0048] like Figure 12 、 13 As shown, the NG unloading module 7 includes an NG assembly line 71, and a cache position 72 is provided at the end of the NG assembly line 71. The cache position 72 is configured to include a telescopic motor 73 below the end of the NG assembly line 71. The output end of the telescopic motor 73 is connected to a support frame 74. The support frame 74 passes through the conveyor belt of the NG assembly line 71, and the top of the support frame 74 is arc-shaped; the telescopic motor 73 drives the support frame 74 to lift, forming a temporary stacking area in the gap of the conveyor belt, and the arc-shaped support surface prevents tipping.

[0049] It should be noted that all cylinders and grippers are connected to a solenoid valve group, and the air circuit is controlled by a PLC; a photoelectric switch (such as the Omron E3Z series) is used to detect the bottle arrival signal; the buffer 59 of the carrier 57 uses an ACE SC25 series hydraulic buffer, and the damping force is adjusted to match the handling inertia;

[0050] The detection module 2 is an existing technology. The imaging unit, motion auxiliary unit, processing control unit and the algorithm it includes are all relatively mature in the market. The structure and principle of the detection module 2 are not described here in detail.

[0051] Working process:

[0052] Loading stage: the production line conveys the bottle → the photoelectric sensor is triggered → the picking gripper 33 grabs the bottle → places it in the detection position;

[0053] Rotation detection: The suction cup 43 absorbs the bottle body → the rotary motor 44 rotates step by step according to the preset angle (0°-360°) → the detection module 2 completes multi-faceted scanning;

[0054] Handling and sorting: Qualified products: The handling module 5 moves to the unloading station → The picking gripper 4 64 transports them to the finished product area; Defective products: The handling module 5 moves to the unloading station → The picking gripper 3 63 grabs them → The marking pen 656 marks them → The support frame 74 lifts and caches them → After they are full, the assembly line 71 outputs them in a centralized manner.

[0055] The above description is merely illustrative of certain exemplary embodiments of the present invention. It goes without saying that those skilled in the art will be able to modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and description are illustrative in nature and should not be construed as limiting the scope of protection of the claims.

Claims

1. A multi-station collaborative inspection AOI inspection machine for ceramic bottles, comprising a main body (1) and a central inspection module (2), characterized in that: The main body (1) of the equipment is internally provided with a loading module (3), a rotating module (4), a transporting module (5), an OK blanking module (6) and an NG blanking module (7). The loading module (3) is located in front of the detection module (2) and grabs the bottles on the production line to the detection position of the detection module (2). The rotating module (4) is located below the detection module (2) and rotates the bottles on the detection position that needs to be rotated. The transporting module (5) is located on one side of the rotating module (4) and transports the bottles on the multi-station to the next station. The OK blanking module (6) is located at the end of the detection module (2) and marks and transports the bottles after inspection. The NG blanking module (7) is located at the end of the detection module (2) and intersects with the OK blanking module (6) and caches the bottles marked by the OK blanking module (6).

2. The multi-station collaborative inspection AOI inspection machine for ceramic bottles according to claim 1 is characterized by: The loading module (3) includes a fixed frame (31), a first linear motor (32), a first material grabbing gripper (33) and a second material grabbing gripper (34), wherein the first linear motor (32) is horizontally fixed on the fixed frame (31), and the first material grabbing gripper (33) and the second material grabbing gripper (34) are respectively connected to the secondary of the first linear motor (32) through an axis module, so that the first material grabbing gripper (33) and the second material grabbing gripper (34) can move independently in the horizontal direction and the vertical direction.

3. The multi-station collaborative inspection AOI inspection machine for ceramic bottles according to claim 1 is characterized by: The rotating module (4) comprises a base (41), a detection platform (42), a suction cup (43) and a rotating motor (44); the detection platform (42) is fixedly connected to the base (41); a plurality of the suction cups (43) are rotatably connected to the surface of the detection platform (42); a transmission shaft (45) is fixedly connected to the bottom of the suction cup (43) and the transmission shaft (45) passes through the bottom of the detection platform (42); the rotating motor (44) is fixedly connected to one side of the base (41); and the transmission shaft (45) is transmission-connected to the output end of the rotating motor (44).

4. The multi-station collaborative inspection AOI inspection machine for ceramic bottles according to claim 3 is characterized by: A tensioning wheel (46) is provided on one side of the detection platform (42) close to the rotating motor (44), and a tensioning wheel (46) is provided between two adjacent suction cups (43) at the bottom of the detection platform (42). The tensioning wheel (46) located between the two suction cups (43) is offset toward a side away from the rotating motor (44).

5. The multi-station collaborative inspection AOI inspection machine for ceramic bottles according to claim 1 is characterized by: The transport module (5) comprises an X-axis linear motor (51), a mobile platform (52), a Y-axis cylinder (53), a Z-axis cylinder (54), a clamping rod (55) and a clamping cylinder (56). The mobile platform (52) is fixedly connected to the secondary of the X-axis linear motor (51). The Y-axis cylinder (53) is fixedly connected to one side of the mobile platform (52). The output end of the Y-axis cylinder (53) is fixedly connected to a carrier (57). The upper surface of the carrier (57) is fixedly connected to the Z-axis cylinder (54). The output end of the Z-axis cylinder (54) is fixedly connected to the clamping rod (55). The clamping rod (55) is provided with a plurality of evenly distributed clamping cylinders (56). The ends of the clamping cylinders (56) are connected to pneumatic clamps.

6. The multi-station collaborative inspection AOI inspection machine for ceramic bottles according to claim 5, characterized in that: A limiting plate (58) is provided on one side of the mobile platform (52) away from the Y-axis cylinder (53), and buffers (59) are provided at both ends of the carrier (57).

7. The multi-station collaborative inspection AOI inspection machine for ceramic bottles according to claim 1, characterized in that: The OK unloading module (6) includes a bracket (61), a second linear motor (62), a material picking gripper three (63) and a material picking gripper four (64), wherein the second linear motor (62) is horizontally fixed on the bracket (61), and the material picking gripper three (63) and the material picking gripper four (64) are respectively connected to the secondary of the second linear motor (62) through an axis module, so that the material picking gripper three (63) and the material picking gripper four (64) can move independently in the horizontal direction and the vertical direction, and a marking mechanism (65) is fixedly connected to the bracket (61) on one side below the material picking gripper three (63).

8. The multi-station collaborative inspection AOI inspection machine for ceramic bottles according to claim 7, characterized in that: The marking mechanism (65) comprises a fixed frame (651), a connecting plate (652) is provided on the top of the fixed frame (651), a plurality of connecting holes are provided on the upper surface of the connecting plate (652), a support plate (653) is connected to the connecting plate (652), a through hole matching the connecting holes provided on the connecting plate (652) is provided on the surface of the support plate (653), a U-shaped plate (654) is fixedly connected to the middle of the support plate (653), connecting shafts are fixedly connected to the surfaces of both sides of the U-shaped plate (654), and a fixed block (655) is slidably connected to the other end of the connecting shaft, a marking pen (656) is connected through the middle of the fixed block (655), and the end of the marking pen (656) passes through the groove in the middle of the U-shaped plate (654).

9. The multi-station collaborative inspection AOI inspection machine for ceramic bottles according to claim 1, characterized in that: The NG blanking module (7) includes an NG assembly line (71), a buffer position (72) is provided at the end of the NG assembly line (71), and the buffer position (72) is configured to include a telescopic motor (73) below the end of the NG assembly line (71), and the output end of the telescopic motor (73) is connected to a support frame (74), and the support frame (74) passes through the conveyor belt of the NG assembly line (71), and the top of the support frame (74) is arc-shaped.

Images