Coin queue conveying detection and sorting system

Abstract

The application provides a coin queue conveying detection sorting system, which realizes double-path detection of coins by arranging two coin detection paths side by side. After the coins are output in a row by a rotating disc type feeding device, the coins are sequentially detected by a side color difference visual detection mechanism, a first surface visual detection mechanism, a thickness detection mechanism, a diameter detection mechanism and a second surface visual detection mechanism, and then the coins with surface defects are kicked into a coin kicking port by corresponding coin kicking mechanisms. When the coins are transferred from the thickness detection mechanism to the diameter detection mechanism, two groups of flip-over clamping belt assemblies of a flip-over mechanism respectively realize flip-over conveying of the coins, so that the coin detection path of each path is provided with corresponding flip-over clamping belt assemblies, the two paths of coins do not affect each other in the flip-over conveying process, and the horizontal position deviation of the coins in the flip-over conveying process is avoided, so that the accuracy of subsequent parameter detection of the coins is affected.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of coin detection and sorting, in particular to a coin queue conveying, detecting and sorting system. BACKGROUND

[0002] Since the finished surface of the coin may have defects such as color difference, scratches, pits and the like, it is necessary to perform finished product detection operation on it. The existing coin detection equipment generally adopts single-path detection, and finally discharges in the form of dividing into good coins and waste coins, which is low in work efficiency and cannot meet the demand of large-batch coin surface parameter detection and sorting. The surface quality detection system for coin products disclosed in the patent with publication number CN113984789A has feeding queue conveying components, front visual detection parts, cam flap turning parts, back visual detection parts and discharge sorting conveying components arranged in sequence along the conveying direction of the ring track conveying component. In order to make the monitoring data more accurate, the coin needs to be turned over when it is conveyed, which is convenient for detecting the other side of the coin. However, the design of the turning part in the system is relatively complex, and the structure of the entire system is arranged in a ring shape, which occupies a large area.

[0003] In order to ensure the high integration of the detection equipment and minimize the occupied space of the detection equipment when the coin surface is detected by double paths, the coin needs to be turned over so that the two-side detection mechanisms of the coin are arranged in an up-down manner. However, since the two paths of coins are simultaneously clamped by a group of relatively wide clamping belts for turning and conveying when the turning mechanism is used, the inner and outer clamping belts will have a gap between the two paths of coins due to the clamping of the two paths of coins for turning and conveying, and the coins have a certain thickness, so it is difficult to avoid the lateral position of the coin from being deviated when the coin is turned and conveyed. Since the subsequent devices for detecting the coin are fixed, the deviation of the coin after turning is not conducive to the later detection. SUMMARY

[0004] The present application aims to provide a coin queue conveying, detecting and sorting system, which improves the integration degree and sorting efficiency of the coin detection and sorting equipment.

[0005] The application provides a coin queue conveying detection and sorting system, which comprises a rack, a base plate arranged on the rack, two coin detection paths arranged side by side on the front side of the base plate, a rotary disc type feeding mechanism, a side color difference visual detection mechanism, a first surface visual detection mechanism, a thickness detection mechanism, a turning mechanism, a diameter detection mechanism and a second surface visual detection mechanism arranged in sequence along the conveying direction of the coin, wherein the first surface visual detection mechanism and the second surface visual detection mechanism each comprise a detection station for detecting defects of the coin surface such as dirt, scratches, edge damage and color difference, each of the detection stations is provided with a corresponding coin kicking port, and each of the coin kicking ports is provided with a coin kicking mechanism, an adapter belt conveyor for combing the position of the coin is arranged between the rotary disc type feeding mechanism and the side color difference visual detection mechanism, the turning mechanism comprises two groups of clamping turning belt assemblies corresponding to the two coin detection paths, and a good coin channel is arranged at the detection end of the second surface visual detection mechanism.

[0006] Further, the rotary disc type feeding mechanism comprises a bottom plate, a baffle ring is arranged at the top end of the bottom plate, a large rotary disc with the same inner diameter as the baffle ring is arranged in the baffle ring, a first motor for driving the large rotary disc to rotate is fixedly arranged at the bottom end of the bottom plate, a coin outlet is arranged on the side surface of the baffle ring, a small rotary disc is rotatably arranged at the top end of the bottom plate outside the baffle ring, a second motor for driving the small rotary disc to rotate is fixedly arranged at the bottom end of the bottom plate, and a coin blocking assembly is arranged at the coin outlet.

[0007] Further, the side color difference visual detection mechanism comprises a side color difference detection platform, and a 360° side panoramic lens and a ring-shaped backlight source are arranged on the upper side and the lower side of the side color difference detection platform respectively.

[0008] Further, the first surface visual detection mechanism comprises a lower conveying belt arranged on the base plate, three groups of detection stations for detecting defects of the coin surface such as dirt, scratches, edge damage and color difference are arranged above the lower conveying belt in sequence, a line array camera is arranged in each of the detection stations, the coin kicking mechanism is arranged between the first detection station and the side color difference visual detection mechanism on the lower conveying belt, and three groups of coin kicking mechanisms corresponding to the detection stations are symmetrically arranged on both sides of the conveying end of the lower conveying belt.

[0009] Further, the coin kicking mechanism comprises a coin kicking support, a blowing support corresponding to the coin kicking opening is slidably installed on the coin kicking support, an air inlet and a blowing opening that are in communication with each other are formed in the blowing support, the air inlet is in communication with the air pump, and an electromagnetic valve is installed between the air inlet and the air pump.

[0010] Further, the thickness detection mechanism comprises a first support frame, two thickness detection tables are symmetrically installed on the first support frame, and color laser coaxial displacement meters for detecting the thickness of the coin are fixedly installed on the upper and lower sides of each thickness detection table on the first support frame.

[0011] Further, the diameter detection mechanism comprises a second support frame, two diameter detection tables are symmetrically installed on the second support frame, and online projection image measuring instruments for detecting the diameter of the coin are fixedly installed on the upper and lower sides of each diameter detection table on the second support frame.

[0012] Further, the coin flipping mechanism further comprises a transmission assembly, the transmission assembly comprises a main shaft that is rotatably installed on the base plate, a driving pulley is fixedly installed on the main shaft, a fourth motor that drives the main shaft to rotate is fixedly installed on the back surface of the base plate, two groups of the embrace and clamp coin flipping belt assemblies are symmetrically wrapped around the two sides of the driving pulley, each group of the embrace and clamp coin flipping belt assemblies comprises an inner embrace and clamp belt and an outer embrace and clamp belt, the outer embrace and clamp belt is wrapped around one end of the outer side of the inner embrace and clamp belt, the outer embrace and clamp belt is driven to rotate by the inner embrace and clamp belt, the feeding end of the outer embrace and clamp belt is arranged close to the thickness detection table, and the discharging end of the inner embrace and clamp belt is arranged close to the diameter detection table.

[0013] Further, the second surface visual detection mechanism comprises an upper conveying belt that is installed on the base plate, three groups of detection stations for detecting the dirt, scratches, edge damage and color difference defects of the other surface of the coin are sequentially arranged above the upper conveying belt, a line array camera is installed in each detection station, the coin kicking mechanism is installed between the first detection station and the diameter detection mechanism on the upper conveying belt, three groups of coin kicking mechanisms corresponding to the detection stations are symmetrically installed on both sides of the conveying end of the upper conveying belt, and the good coin channel is arranged at the end of the upper conveying belt.

[0014] Further, the good coin conveying belt and the waste coin conveying belt are installed on the back surface of the base plate on the rack, the coin kicking channel is installed at each coin kicking opening, the discharging opening of the coin kicking channel is arranged directly above the waste coin conveying belt, and the discharging opening of the good coin channel is arranged directly above the good coin conveying belt.

[0015] The beneficial effects of the technical scheme of the present application relative to the prior art are: the coin detection system realizes double-path detection of the coins by arranging two coin detection paths side by side, the coins are output in a column after being fed by the rotary disc type feeding mechanism, and then sequentially pass through the side color difference visual detection mechanism, the first surface visual detection mechanism, the thickness detection mechanism, the diameter detection mechanism and the second surface visual detection mechanism, and the coins with surface defects are kicked into the coin kicking port by the corresponding coin kicking mechanism, when the coins are transferred from the thickness detection mechanism to the diameter detection mechanism, the two groups of clamping and flipping belt assemblies of the flipping mechanism realize the flipping and conveying of the coins respectively, so that the coin detection path of each path is provided with the corresponding clamping and flipping belt assembly, the two paths of coins do not affect each other in the flipping and conveying process, and the horizontal position deviation of the coins in the flipping and conveying process is avoided, and the accuracy of subsequent coin parameter detection is affected. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme in the specific embodiments of the present application or the prior art, the drawings needed to be used in the specific embodiments or the prior art description will be briefly introduced below. Obviously, the drawings in the following description are some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0017] Figure 1 It is a schematic diagram of the overall structure of the present application;

[0018] Figure 2 It is another schematic diagram of the overall structure of the present application;

[0019] Figure 3 It is a schematic diagram of the overall structure of the rotary disc type feeding mechanism in the present application;

[0020] Figure 4 It is another schematic diagram of the overall structure of the rotary disc type feeding mechanism in the present application;

[0021] Figure 5 It is a schematic diagram of the overall structure of the linking belt in the present application;

[0022] Figure 6 It is a schematic diagram of the overall structure of the first surface visual detection mechanism in the present application;

[0023] Figure 7 It is a schematic diagram of the overall structure of the coin kicking mechanism and the coin kicking channel in the present application;

[0024] Figure 8 It is a structure of the present application Figure 7 A structure of the present application

[0025] Figure 9 It is a schematic diagram of the overall structure of the thickness detection mechanism in the present application;

[0026] Figure 10 It is the overall structure schematic view of diameter detection mechanism in the application;

[0027] Figure 11 It is the overall structure schematic view of turnover mechanism in the application;

[0028] Figure 12 It is the overall structure schematic view of adjusting pulley assembly in the application;

[0029] Mark explanation: 1- frame, 2- rotary disc type feeding mechanism, 201- bottom plate, 202- retaining ring, 203- large rotary disc, 204- first motor, 205- small rotary disc, 206- second motor, 207- mounting bracket, 208- coin conveying belt, 209- third motor, 210- baffle, 211- coin retaining assembly, 3- connecting belt machine, 301- coin sorting strip, 4- side color difference visual detection mechanism, 5- first surface visual detection mechanism, 501- lower conveying belt, 502- detection station, 503- linear array camera, 6- thickness detection mechanism, 601- first support frame, 602- thickness detection table, 603- color laser coaxial displacement meter, 7- turnover mechanism, 701- inner clamping belt, 702- outer clamping belt, 703- main shaft, 704- driving pulley, 705- fourth motor, 706- first synchronous pulley, 707- second synchronous pulley, 708- first guide wheel, 709- second guide wheel, 710- third guide wheel, 711- fourth guide wheel, 712- fifth guide wheel, 713- sixth guide wheel, 8- diameter detection mechanism, 801- second support frame, 802- diameter detection table, 803- on-line projection image measuring instrument, 9- coin kicking mechanism, 901- coin kicking bracket, 902- air blowing bracket, 903- air inlet, 904- air outlet, 905- sensor, 10- second surface visual detection mechanism, 11- good coin channel, 12- coin kicking channel, 1201- coin kicking port, 13- good coin conveying belt, 14- waste coin conveying belt, 15- adjusting pulley assembly, 1501- adjusting bracket, 1502- mounting groove, 1503- adjusting shaft, 1504- idler, 1505- U-shaped groove, 1506- adjusting fixed block, 1507- adjusting bolt, 16- base plate. DETAILED DESCRIPTION

[0030] The technical solutions of the application will be described clearly and completely in combination with the embodiments. Obviously, the described embodiments are part of the embodiments of the application, rather than all the embodiments. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the application.

[0031] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0032] In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, "a plurality of" means two or more, unless otherwise explicitly specified. In addition, the terms "mounting", "connecting", "connecting" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0033] Embodiment 1

[0034] As Figures 1-12 shown, a coin queue conveying detection sorting system includes a rack 1, the top of the rack 1 is provided with a base plate 16, the front side of the base plate 16 is provided with two coin detection paths side by side, each coin detection path is provided with a turntable feeding mechanism 2, a side color difference visual detection mechanism 4, a first surface visual detection mechanism 5, a thickness detection mechanism 6, a turnover mechanism 7, a diameter detection mechanism 8 and a second surface visual detection mechanism 10 in sequence along the conveying direction of the coin, a general controller is installed on the lower layer of the rack 1, the above-mentioned mechanisms are electrically connected with the general controller and are controlled by the general controller, the second surface visual detection mechanism 10 is arranged directly above the first surface visual detection mechanism 5, the turnover mechanism 7 is connected between the thickness detection mechanism 6 and the diameter detection mechanism 8 to realize the turnover of the coin, a link belt conveyor 3 for combing the position of the coin is arranged between the turntable feeding mechanism 2 and the side color difference visual detection mechanism 4, a coin strip 301 is installed on the link belt conveyor 3 to guide the coin to the appropriate detection position.

[0035] The rotary disc type feeding mechanism 2 comprises a bottom plate 201, the top end of the bottom plate 201 is provided with a baffle ring 202, the inside of the baffle ring 202 is provided with a large rotary disc 203 with the same inner diameter, the bottom end of the bottom plate 201 is fixedly provided with a first motor 204 for driving the large rotary disc 203 to rotate, the top end of the bottom plate 201 is rotatably provided with a small rotary disc 205 outside the baffle ring 202, the bottom end of the bottom plate 201 is fixedly provided with a second motor 206 for driving the small rotary disc 205 to rotate, wherein the first motor 204 drives the large rotary disc 203 through a synchronous belt, the second motor 206 drives the small rotary disc 205 through a synchronous belt, the side of the baffle ring 202 is provided with a coin outlet, the coin outlet is provided with a coin blocking assembly 211, the coin blocking assembly 211 comprises a coin blocking block and a coin blocking wheel rotatably installed on the coin blocking block, the distance between the coin blocking wheel and the small rotary disc 205 is only enough for a coin, in order to avoid the overlapping output of the coins, the baffle plate 210 is fixedly installed at the coin outlet of the baffle ring 202, the height difference between the baffle plate 210 and the large rotary disc 203 is slightly larger than the thickness of a coin, so that only one coin can be output at the coin outlet each time, and the phenomenon of overlapping output of too many coins is avoided; the top end of the bottom plate 201 is provided with a coin outlet channel corresponding to the coin outlet, the coins output from the coin outlet are output in a column through the coin outlet channel, a coin climbing assembly is arranged above the coin outlet channel, the coin climbing assembly comprises a mounting bracket 207, the mounting bracket 207 is provided with a coin conveying belt 208 along the coin outlet channel, the top end of the mounting bracket 207 is fixedly provided with a third motor 209, the output end of the third motor 209 is drivingly connected with the coin conveying belt 208 through a synchronous belt, and the height difference between the bottom end of the coin conveying belt 208 and the coin outlet channel is smaller than the thickness of a coin, so that the coin conveying belt 208 can drive the coin at the bottom end to convey the coin to the connecting belt conveyor 3 when being driven.

[0036] The side color difference visual detection mechanism 4 comprises a side color difference detection platform, and the upper and lower sides of the side color difference detection platform are respectively provided with a 360° side panoramic lens and a ring-shaped backlight source.

[0037] The first surface visual inspection mechanism 5 and the second surface visual inspection mechanism 10 each comprise a detection station 502 for detecting surface dirt, scratch, edge damage and color difference defects of the coin, and each detection station 502 is provided with a corresponding coin kicking opening 1201, and each coin kicking opening 1201 is provided with a coin kicking mechanism 9, and each coin kicking mechanism 9 is provided with a sensor 905 for identifying the defective coin detected in the previous process; the first surface visual inspection mechanism 5 comprises a lower conveying belt 501 mounted on a base plate 16, and three groups of detection stations 502 for detecting surface dirt, scratch, edge damage and color difference defects of the coin are arranged above the lower conveying belt 501 in sequence, and each detection station 502 is provided with a line array camera 503 inside, and the lower conveying belt 501 is provided with a coin kicking mechanism 9 between the first detection station 502 and the side color difference visual inspection mechanism 4, and the side color difference visual inspection mechanism 4 identifies the passing coin, and if the side of the coin has color difference, the coin will be kicked out by the corresponding coin kicking mechanism 9, and three groups of coin kicking mechanisms 9 corresponding to the detection stations 502 are symmetrically arranged on both sides of the conveying end of the lower conveying belt 501. Wherein: the coin kicking mechanism 9 comprises a coin kicking bracket 901, a blowing bracket 902 corresponding to the coin kicking opening 1201 is slidingly mounted on the coin kicking bracket 901, an air inlet 903 and a blowing port 904 are formed in the blowing bracket 902 and are in communication with each other, the air inlet 903 is in communication with a gas pump, and an electromagnetic valve is mounted between the air inlet 903 and the gas pump, the opening and closing of the blowing port 904 is controlled by the electromagnetic valve, and the defective coin is blown into the coin kicking opening 1201, and the principles of the remaining coin kicking mechanisms 9 are the same in this embodiment, and will not be described here. The good coin conveying belt 13 and the waste coin conveying belt 14 are mounted on the back of the base plate 16 of the rack 1, a coin kicking channel 12 is arranged at each coin kicking opening 1201, and the discharge port of the coin kicking channel 12 is arranged directly above the waste coin conveying belt 14, and the good coin channel 11 is arranged at the detection end of the second surface visual inspection mechanism 10, and the discharge port of the good coin channel 11 is arranged directly above the good coin conveying belt 13.

[0038] The thickness detection mechanism 6 comprises a first support frame 601, and two thickness detection tables 602 are symmetrically mounted on the first support frame 601, and a color laser coaxial displacement meter 603 for detecting the thickness of the coin is fixedly mounted on the upper and lower sides of each thickness detection table 602.

[0039] The diameter detection mechanism 8 comprises a second support frame 801, and two diameter detection tables 802 are symmetrically mounted on the second support frame 801, and an online projection image measuring instrument 803 for detecting the diameter of the coin is fixedly mounted on the upper and lower sides of each diameter detection table 802.

[0040] The turnover mechanism 7 comprises a transmission assembly and two sets of clamping turnover belt assemblies corresponding to two coin detection paths, the transmission assembly comprises a main shaft 703 rotatably installed on the base plate 16, the main shaft 703 is fixedly installed with a driving pulley 704, the back surface of the base plate 16 is fixedly installed with a fourth motor 705 for driving the main shaft 703 to rotate, the fourth motor 705 is connected with the main shaft 703 through synchronous belt transmission, and the specific embodiment is that: the output end of the fourth motor 705 is installed with a first synchronous pulley 706, one end of the main shaft 703 located at the back surface of the base plate 16 is connected with a second synchronous pulley 707 through a key, and the first synchronous pulley 706 is connected with the second synchronous pulley 707 through a synchronous belt, so that the fourth motor 705 can drive the driving pulley 704 to rotate. The two sets of clamping turnover belt assemblies are symmetrically arranged on both sides of the driving pulley 704, each set of clamping turnover belt assembly comprises an inner clamping belt 701 and an outer clamping belt 702, the outer clamping belt 702 is arranged at one end outside the inner clamping belt 701, the outer clamping belt 702 is driven to rotate by the inner clamping belt 701, and the feeding end of the outer clamping belt 702 is arranged close to the thickness detection table 602. The discharge end of the inner clamping belt 701 is arranged close to the diameter detection table 802. The specific implementation structure is that: the front side of the base plate 16 is respectively installed with a first guide wheel 708, a second guide wheel 709, a third guide wheel 710 and a fourth guide wheel 711 for guiding the outer clamping belt 702 at four corners of the driving pulley 704, the first guide wheel 708 is arranged close to the thickness detection table 602, the top end of the first guide wheel 708 is flush with the table surface of the thickness detection table 602, so that the coin is directly on the outer conveying belt at the top end of the first guide wheel 708 by the inertial force after the coin is conveyed to the thickness detection table 502 by the conveying belt of the front detection station 502. The base plate 16 is respectively provided with a fifth guide wheel 712 and a sixth guide wheel 713 for guiding the inner clamping belt 701 on the side of the driving pulley 704 close to the diameter detection mechanism 8, the sixth guide wheel 713 is arranged close to the diameter detection table 802, the top end of the sixth guide wheel 713 is flush with the table surface of the diameter detection table 802, the coin clamped by the inner clamping belt 701 and the outer clamping belt 702 is conveyed to the upper side, the inner clamping belt 701 and the outer clamping belt 702 are separated, the coin falls on the inner clamping belt 701 under the action of gravity, the turnover of the coin is realized, the coin is conveyed to the diameter detection station 502 at the sixth guide wheel 713 by the inner clamping belt 701, the coin completing the diameter parameter detection is conveyed through the subsequent conveying belt to complete a series of parameter detection of the back surface of the coin.

[0041] The front side of the base plate 16 is fixedly installed with two sets of adjusting pulley assemblies 15 corresponding to the inner and outer embracing clamping belts 701 and 702 respectively, the adjusting pulley assembly 15 comprises an adjusting bracket 1501 fixedly installed on the base plate 16, the adjusting bracket 1501 has two installation grooves 1502, the installation groove 1502 is provided with an adjusting shaft 1503 movable up and down, the adjusting shaft 1503 is sleeved with a pulley 1504 which can contact the belt, the pulley 1504 is rotationally connected with the adjusting shaft 1503, the two side walls of the installation groove 1502 are respectively provided with a U-shaped groove 1505 matched with the end of the adjusting shaft 1503, the opening lower end of the U-shaped groove 1505 is provided with an adjusting fixed block 1506, the upper end of the adjusting bracket 1501 is provided with a screw hole communicated with the inner cavity of the U-shaped groove 1505, the screw hole is matched with an adjusting bolt 1507, the lower end of the adjusting bolt 1507 abuts against the end of the adjusting shaft 1503, the pressure of the pulley 1504 on the belt is adjusted through the adjusting bolt 1507, and then the tightness of the inner and outer embracing clamping belts 701 and 702 is adjusted.

[0042] The second surface visual detection mechanism 10 comprises an upper conveying belt installed on the base plate 16, three sets of detection stations for detecting the defects of the other surface of the coin such as dirt, scratches, edge damage and color difference are sequentially arranged above the upper conveying belt, a line array camera is installed in each detection station, a coin kicking mechanism 9 is installed between the first detection station and the diameter detection mechanism 8 on the upper conveying belt, three sets of coin kicking mechanisms 9 corresponding to the detection stations are symmetrically installed on both sides of the conveying end of the upper conveying belt, and a good coin channel 11 is arranged at the end of the upper conveying belt. The second surface visual detection mechanism 10 is the same as the first surface visual detection mechanism 5, and the two are respectively used for detecting the surface defects of the front and back surfaces of the coin, and details are not repeated here.

[0043] Working principle

[0044] First, a large number of coins are poured into the blocking ring 202 of the rotating disc type feeding mechanism 2, the first motor 204 drives the large disc 203 to rotate, so that the coins move in the blocking ring 202, and always have coins passing through the coin outlet under the drive of the large disc 203, the spacing between the coin blocking assembly 211 at the coin outlet and the lower disc is slightly larger than the width of a coin, only one coin can pass through at a time, and due to the limitation of the baffle 210 at the coin outlet, the coins will not be output in a stack, the coins output from the blocking ring 202 enter the coin outlet channel, and under the action of the coin conveying belt 208, the coins are conveyed in a column to the connecting belt 3, the connecting belt 3 is provided with a coin sorting strip 301 for guiding the coins to the appropriate position; the coin detection and sorting first passes through the side color difference visual detection mechanism 4, and the coin is detected by the 360° side panoramic lens, and the detection result is fed back to the general controller in the form of electrical signal, the front end of the lower conveying belt 501 is provided with two coin kicking mechanisms 9 (two coin kicking mechanisms 9 are arranged to avoid missing kicking by the first coin kicking mechanism 9, and the second coin kicking mechanism 9 is used for supplement kicking), when the sensor 905 of the coin kicking mechanism 9 senses the defective coin, the signal is fed back to the general control, and the electromagnetic valve is opened under the control of the general controller, so that the defective coin passing through the blowing port 904 is blown into the coin kicking port 1201, and the coin falls into the waste coin conveying belt 14 after the coin kicking channel 12 to be uniformly recycled; the coin without color difference is sequentially fed into the three groups of detection stations 502 for detecting the surface dirt scratch, edge damage and color difference defect of the coin, the unqualified coin is kicked out by the three groups of coin kicking mechanisms 9 corresponding to the detection stations 502, and then the coin which is not kicked out enters the thickness detection mechanism 6, the color laser coaxial displacement meter 603 is arranged on the upper and lower sides of the thickness detection table 602 respectively, so as to realize accurate detection of the thickness of the coin, then the coin enters the turnover mechanism 7 to make the surface originally in contact with the lower conveying belt 501 turn upward, and the other surface of the coin is detected, the coin first enters the diameter detection mechanism 8 after being turned over by the turnover structure, and the diameter parameter detection of the coin is realized by the online projection image measuring instrument 803 arranged symmetrically on the upper and lower sides of the diameter detection table 802, the coins with unqualified diameter and thickness are kicked out by the two groups of coin kicking mechanisms 9 at the front end of the upper conveying belt, then enter the three groups of detection stations 502 for detecting the surface dirt scratch, edge damage and color difference defect of the coin, and then the unqualified coin is kicked out by the three groups of coin kicking mechanisms 9 at the end of the upper conveying belt, and finally the qualified coin is conveyed to the good coin channel 11 by the upper conveying belt, and then is uniformly recycled after being received by the good coin conveying belt 13.

[0045] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, and are not intended to limit the present application; although the present application has been described in detail with reference to the above embodiments, those skilled in the art should understand that the technical solutions recorded in the above embodiments can be modified, or some or all of the technical features can be replaced by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A coin queue conveying, detection, and sorting system, characterized in that, The device includes a frame on which a base plate is mounted. Two coin detection paths are arranged side-by-side on the front side of the base plate. Each coin detection path, along the coin conveying direction, sequentially includes a rotary feeding mechanism, a side color difference visual inspection mechanism, a first surface visual inspection mechanism, a thickness inspection mechanism, a flipping mechanism, a diameter inspection mechanism, and a second surface visual inspection mechanism. Both the first and second surface visual inspection mechanisms include inspection stations for detecting dirt, scratches, edge damage, and color difference defects on the coin surface. Each inspection station is equipped with a corresponding coin kicking port, and each coin kicking port is equipped with a coin kicking mechanism. A connecting belt conveyor for sorting the coin positions is provided between the rotary feeding mechanism and the side color difference visual inspection mechanism. The flipping mechanism includes two sets of clamping flipping belt assemblies corresponding to the two coin detection paths. The detection end of the second surface visual inspection mechanism has a good coin channel.

2. The coin queue conveying, detection, and sorting system according to claim 1, characterized in that, The rotary feeding mechanism includes a base plate with a retaining ring at its top. A large turntable with the same inner diameter as the retaining ring is installed inside the retaining ring. A first motor driving the large turntable to rotate is fixedly installed at the bottom of the base plate. A coin outlet is provided on the side of the retaining ring. A small turntable is rotatably installed on the top of the base plate outside the retaining ring. A second motor driving the small turntable to rotate is fixedly installed at the bottom of the base plate. A coin-blocking assembly is installed at the coin outlet. A coin-dispensing channel is provided at the top of the base plate corresponding to the coin outlet. A coin-climbing assembly is mounted above the coin-dispensing channel. The coin-climbing assembly includes a mounting bracket. A coin conveying belt is installed along the coin-dispensing channel on the mounting bracket. A third motor is fixedly installed at the top of the mounting bracket. The output end of the third motor is connected to the coin conveying belt via a synchronous belt drive.

3. The coin queue conveying, detection, and sorting system according to claim 1, characterized in that, The side color difference visual inspection mechanism includes a side color difference inspection platform, and the upper and lower sides of the side color difference inspection platform are respectively equipped with 360° side panoramic lenses and ring backlights.

4. The coin queue conveying, detection, and sorting system according to claim 1, characterized in that, The first surface visual inspection mechanism includes a lower conveyor belt mounted on the substrate. Three sets of inspection stations for detecting dirt, scratches, edge damage, and color difference defects on the coin surface are sequentially arranged above the lower conveyor belt. Each inspection station is equipped with a line scan camera. The coin kicking mechanism is installed on the lower conveyor belt between the first inspection station and the side color difference visual inspection mechanism. Three sets of coin kicking mechanisms corresponding to the inspection stations are symmetrically installed on both sides of the conveying end of the lower conveyor belt.

5. The coin queue conveying, detection, and sorting system according to claim 4, characterized in that, The coin-kicking mechanism includes a coin-kicking bracket, on which an air-blowing bracket corresponding to the coin-kicking opening is slidably mounted. The air-blowing bracket has an air inlet and an air outlet that are interconnected. The air inlet is connected to an air pump, and a solenoid valve is installed between the air inlet and the air pump.

6. The coin queue conveying, detection, and sorting system according to claim 1, characterized in that, The thickness detection mechanism includes a first support frame, on which two thickness detection stages are symmetrically installed. Color laser coaxial displacement gauges for detecting coin thickness are fixedly installed on the upper and lower sides of each thickness detection stage on the first support frame.

7. The coin queue conveying, detection, and sorting system according to claim 6, characterized in that, The diameter detection mechanism includes a second support frame, on which two diameter detection platforms are symmetrically mounted. On the second support frame, an online projection image measuring instrument for detecting the diameter of a coin is fixedly mounted on both the upper and lower sides of each diameter detection platform.

8. The coin queue conveying, detection, and sorting system according to claim 7, characterized in that, The flipping mechanism also includes a transmission assembly, which includes a main shaft rotatably mounted on the base plate. A drive pulley is fixedly mounted on the main shaft. A fourth motor that drives the main shaft to rotate is fixedly mounted on the back of the base plate. Two sets of clamping flipping belt assemblies are symmetrically wrapped around both sides of the drive pulley. Each set of clamping flipping belt assemblies includes an inner clamping belt and an outer clamping belt. The outer clamping belt is wrapped around one end of the outer side of the inner clamping belt. The outer clamping belt is driven to rotate by the inner clamping belt. The feed end of the outer clamping belt is set close to the thickness detection table, and the discharge end of the inner clamping belt is set close to the diameter detection table.

9. The coin queue conveying, detection, and sorting system according to claim 1, characterized in that, The second surface visual inspection mechanism includes an upper conveyor belt mounted on the substrate. Three sets of inspection stations for detecting dirt, scratches, edge damage, and color difference defects on the other surface of the coin are sequentially arranged above the upper conveyor belt. Each inspection station is equipped with a line scan camera. The coin kicking mechanism is installed on the upper conveyor belt between the first inspection station and the diameter inspection mechanism. Three sets of coin kicking mechanisms corresponding to the inspection stations are symmetrically installed on both sides of the conveying end of the upper conveyor belt. The good coin channel is located at the end of the upper conveyor belt.

10. The coin queue conveying, detection, and sorting system according to claim 1, characterized in that, The frame is equipped with a good coin conveyor belt and a waste coin conveyor belt on the back of the base plate. Each coin kicking port is equipped with a coin kicking channel. The outlet of the coin kicking channel is located directly above the waste coin conveyor belt, and the outlet of the good coin channel is located directly above the good coin conveyor belt.

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