CN115901778A - Fingerprint module detecting system - Google Patents

Abstract

The invention relates to the field of fingerprint module detection, and discloses a fingerprint module detection system which comprises a detection mounting plate, wherein a fingerprint module conveying mechanism and a fingerprint module detection mechanism are arranged on the detection mounting plate, the fingerprint module conveying mechanism comprises a feeding assembly line and a discharging assembly line which are used for conveying a material tray, the fingerprint module detection mechanism comprises a camera module, a workpiece reverse side detection mechanism and a workpiece front side detection mechanism which are sequentially arranged along the workpiece detection direction, fingerprint module overturning and carrying mechanisms are arranged on the detection mounting plate and between the workpiece reverse side detection mechanism and the workpiece front side detection mechanism as well as between the workpiece front side detection mechanism and the discharging assembly line, and the camera module is arranged between the feeding assembly line and the workpiece reverse side detection mechanism. The invention provides a detection mechanism capable of detecting the front side and the back side of a fingerprint module, and the front side and the back side are provided with a plurality of detection stations, so that the full-coverage detection of each detection side of the fingerprint module can be realized, and the detection mechanism has higher detection capability.

Description

Fingerprint module detecting system

Technical Field

The invention relates to the field of fingerprint module detection, in particular to a fingerprint module detection system.

Background

After the fingerprint module is assembled, the sensitivity of the fingerprint module, whether the fingerprint module is communicated with a circuit or not, whether the fingerprint module has defects or not and the like are required to be detected, and AOI detection equipment adopted in detection becomes an important detection tool and a process quality control tool for ensuring the product quality in the electronic manufacturing industry in the industry.

Generally adopt the camera to carry out image acquisition and detect the fingerprint module when detecting fingerprint module outward appearance, generally detect for single-point single face among the current check out test set, detect not comprehensive enough, also can't accomplish the full coverage to the work piece and detect, lead to the defect type that finally can detect to comprehensive not enough, consequently still need further strengthen the testing capability to current check out test set.

Disclosure of Invention

The invention provides a fingerprint module detection system aiming at the problems of detection of a fingerprint module in the prior art.

In order to solve the technical problem, the invention is solved by the following technical scheme:

the utility model provides a fingerprint module detecting system, including detecting the mounting panel, be equipped with fingerprint module transport mechanism and fingerprint module detection mechanism on detecting the mounting panel, fingerprint module transport mechanism is including material loading assembly line and the unloading assembly line that is used for conveying the charging tray, fingerprint module detection mechanism includes the camera module that sets gradually along the work piece direction of detection, work piece reverse side detection mechanism and work piece positive detection mechanism, on detecting the mounting panel and be located between work piece reverse side detection mechanism and the work piece positive detection mechanism and all be equipped with fingerprint module upset transport mechanism between work piece positive detection mechanism and the unloading assembly line, the camera module sets up between material loading assembly line and work piece reverse side detection mechanism.

Preferably, the feeding assembly line and the discharging assembly line respectively comprise a fixed guide rod and a movable guide rod, the fixed guide rod is horizontally arranged, the movable guide rod is parallel to the fixed guide rod and can move towards or back to the fixed guide rod, a material tray stacking station and a feeding station are sequentially arranged between the fixed guide rod and the movable guide rod on the feeding assembly line along the feeding direction, and an empty tray stacking station, a material receiving station and a discharging station are sequentially arranged between the fixed guide rod and the movable guide rod on the discharging assembly line along the discharging direction. Through two assembly lines, realize the independent work of material loading and unloading, can realize simultaneously that the charging tray stack is placed, automatic unloading, automatic stack can effectively improve the work efficiency among the transmission process.

Preferably, the automatic feeding device further comprises a feeding mechanical arm and a discharging mechanical arm, wherein the feeding mechanical arm is arranged corresponding to the feeding assembly line and is used for conveying the workpieces in the material trays at the feeding stations to the detection stations for detection, and the discharging mechanical arm is arranged corresponding to the discharging assembly line and is used for conveying the workpieces after detection of the detection stations to the material trays at the receiving stations.

Preferably, the material tray stacking station, the empty tray stacking station and the blanking station respectively comprise a material tray jacking mechanism and a material tray supporting and lifting mechanism, the material tray jacking mechanism comprises a cylinder mounting seat, a jacking cylinder with a piston rod vertically arranged upwards and a side-shifting cylinder with a piston rod horizontally arranged along the moving direction of a moving guide rod are mounted on the cylinder mounting seat, a top plate horizontally arranged is mounted at the end part of the piston rod of the jacking cylinder, a jacking slide rail with a length direction arranged along the moving direction of the moving guide rod is mounted on the upper surface of the top plate, the end part of the piston rod of the side-shifting cylinder is connected with a jacking plate horizontally arranged above the top plate through a side-shifting plate, and a jacking slide block capable of sliding on the jacking slide rail is arranged on the lower surface of the jacking plate; the tray supporting and lifting mechanism comprises two supporting and lifting cylinders which are respectively arranged on the upper end surfaces of the fixed guide rod and the movable guide rod, piston rods of the two supporting and lifting cylinders are horizontally arranged oppositely, supporting and lifting plates are arranged at the end parts of the piston rods of the two supporting and lifting cylinders, the jacking plates can move up and down between the two supporting and lifting plates, and the opposite end parts of the two supporting and lifting plates are respectively constructed into conical end parts with the lower bottom surfaces inclined upwards. The cooperation that charging tray climbing mechanism and charging tray held in the palm and lifted the mechanism can realize placing the charging tray on the conveyer belt automatically, carries out the stack with the charging tray after detecting the completion automatically.

Preferably, the camera module comprises two feeding decoding cameras installed on the detection installation plate and a first annular light source arranged above the feeding decoding cameras.

Preferably, the workpiece reverse side detection mechanism comprises a reverse side rotating disc, the upper surface of the reverse side rotating disc is used for placing a workpiece and driving the workpiece to rotate in sequence, at least three reverse side detection stations are arranged at the outer edge of the reverse side rotating disc, a laser for scanning the three-dimensional outline of the workpiece is mounted on one reverse side detection station, and reverse side detection cameras for detecting the reverse side of the workpiece rotating to the corresponding detection station on the reverse side rotating disc and coaxial light sources coaxially arranged below the corresponding reverse side detection cameras are arranged on the other reverse side detection stations; a side detection camera for detecting the side of the workpiece is also arranged on at least one reverse side detection station; the workpiece front detection mechanism comprises a front rotating disc, the upper surface of the front rotating disc is used for placing a workpiece and driving the workpiece to rotate in sequence, at least four front detection stations are sequentially arranged at the outer edge of the front rotating disc around the rotating direction, a front detection camera and a coaxial light source are coaxially arranged below the front detection camera, the front detection camera and the coaxial light source are coaxially arranged on the front rotating disc and rotate to the front of the workpiece at the corresponding detection station, a second annular light source is coaxially arranged below the coaxial light source and is arranged on at least two front detection stations, and a side detection camera for detecting the side face of the workpiece is further arranged on at least one front detection station. The polishing mode that the coaxial light source is arranged above the second annular light source and below the second annular light source during front detection can achieve a very good detection effect on the detection of the concave features of the fingerprint module.

Preferably, the workpiece reverse side detection mechanism comprises a first reverse side detection station, a second reverse side detection station, a third reverse side detection station and a fourth reverse side detection station which are sequentially arranged in the rotating direction of the reverse side rotating disc, reverse side detection cameras for performing appearance detection on workpieces rotating to corresponding positions on the reverse side rotating disc and coaxial light sources coaxially arranged below the corresponding reverse side detection cameras are arranged on the first reverse side detection station, the second reverse side detection station and the third reverse side detection station, and side surface detection cameras for detecting the side surfaces of the workpieces are arranged on the second reverse side detection station; a laser for scanning the three-dimensional outline of the workpiece is arranged on the fourth reverse side detection station; the workpiece front detection mechanism comprises a first front detection station, a second front detection station, a third front detection station, a fourth front detection station and a fifth front detection station which are sequentially arranged in the rotating direction of the front rotating disc, coaxial light sources which are coaxially arranged below the corresponding front detection cameras and second annular light sources which are arranged below the coaxial light sources are respectively arranged on the second front detection station and the fourth front detection station, and side detection cameras for detecting the side surfaces of the workpieces are arranged on the third front detection station; and a second annular light source coaxially arranged below the corresponding front detection camera is arranged on the fifth front detection station.

Preferably, the fingerprint module overturning and carrying mechanism between the workpiece back side detection mechanism and the workpiece front side detection mechanism is used for overturning the fingerprint module after detection on the back side rotating disc is finished and then conveying the fingerprint module to the front side rotating disc; fingerprint module upset transport mechanism that is located between positive detection mechanism of work piece and the unloading assembly line is used for taking off and overturning the fingerprint module after the positive rotary disk detects the completion.

Preferably, the fingerprint module overturning and carrying mechanism comprises an overturning and carrying base, the overturning and carrying base is provided with an overturning mechanism and a carrying mechanism, the overturning mechanism comprises two overturning plates which can be oppositely overturned from a horizontal state to a vertical state and can be oppositely overturned from the vertical state to the horizontal state, the overturning plates are provided with overturning jigs capable of adsorbing workpieces, and the two overturning jigs can respectively adsorb the front and back surfaces of the workpieces when the two overturning plates are in the vertical overturning state; the carrying mechanism comprises a suction nozzle which is used for carrying the workpiece on the previous station to the turnover jig and carrying the workpiece turned over on the turnover jig to the next station. The turnover mechanism that overturns relatively through the synchronization realizes the upset to the fingerprint module to the transport between the adjacent station is realized to cooperation transport mechanism, has characteristics such as overall structure is simple, the action links up, stable.

Preferably, the carrying mechanism comprises two suction nozzle mounting plates respectively matched with the two overturning jigs, the suction nozzles are mounted on the suction nozzle mounting plates, the carrying mechanism mounting plates are vertically mounted on the overturning carrying bottom plate, carrying motor mounting plates are mounted on the carrying mechanism mounting plates, carrying motors are mounted on the carrying motor mounting plates, and the carrying motors drive the suction nozzle mounting plates to carry workpieces through a link mechanism mounted on the carrying motor mounting plates; the conveying motor mounting plate is provided with a conveying driving wheel and a conveying driven wheel which are driven by a conveying belt, the conveying driving wheel is coaxially matched and connected with a driving shaft of the conveying motor, the connecting rod mechanism comprises two short connecting rods which are respectively connected to the conveying driving wheel and the conveying driven wheel, a long connecting rod is hinged between the two short connecting rods, and the two suction nozzle mounting plates are respectively mounted at two ends of the long connecting rod through suction nozzle mounting seats. The synchronous motion of the two suction nozzle mounting plates is realized through the connecting rod mechanism, so that the two suction nozzle mounting plates are matched with the two overturning jigs, the continuity of the carrying and overturning processes is ensured, and the overturning efficiency between the adjacent stations is effectively improved.

Due to the adoption of the technical scheme, the invention has the remarkable technical effects that:

the invention provides a detection mechanism capable of detecting the front side and the back side of a fingerprint module, and the front side and the back side are provided with a plurality of detection stations, so that the full-coverage detection of each detection side of the fingerprint module can be realized, and the detection mechanism has higher detection capability.

Drawings

Fig. 1 is a schematic structural view of embodiment 1 of the present invention.

Fig. 2 is a schematic structural diagram of the fingerprint module overturning and conveying mechanism in fig. 1.

Fig. 3 is a schematic view of the structure of the turnover mechanism in fig. 2.

Fig. 4 is another view angle structure diagram of fig. 3.

Fig. 5 is a schematic structural view of the conveying mechanism in fig. 2.

Fig. 6 is a schematic view of the structure of the suction nozzle mount of fig. 5.

FIG. 7 is a schematic diagram of the fingerprint module transport mechanism of FIG. 1.

Fig. 8 is a schematic diagram of the upper flow line of fig. 7.

Fig. 9 is a schematic structural view of the blanking line in fig. 7.

Fig. 10 is a schematic structural view of the loading robot in fig. 7.

Fig. 11 is a schematic structural view of the blanking robot in fig. 7.

Fig. 12 is a schematic structural view of the reject line in fig. 7.

Fig. 13 is a schematic structural view of a tray lifting mechanism in fig. 7.

Fig. 14 is a partial structural schematic diagram of the tray lifting mechanism and the tray guiding mechanism in fig. 7.

FIG. 15 is a schematic view of the reverse side detection mechanism of the workpiece of FIG. 1.

Fig. 16 is a schematic structural view of the workpiece front surface detection mechanism in fig. 1.

Fig. 17 is a schematic structural diagram of the camera module in fig. 1.

Fig. 18 is a schematic structural view of the second back side inspection station or the third front side inspection station in fig. 1.

Fig. 19 is a schematic view of the structure of fig. 18 from another viewing angle.

Fig. 20 is a schematic structural diagram of the first back side detection station, the third back side detection station, the first front side detection station, the second front side detection station, the fourth front side detection station, or the fifth front side detection station in fig. 1.

Fig. 21 is a schematic view of the fourth reverse side inspecting station of fig. 1.

Detailed Description

The invention is described in further detail below with reference to the figures and examples.

Example 1

The utility model provides a fingerprint module detecting system, as shown in FIG. 1, it includes fingerprint module detection mechanism, fingerprint module detection mechanism is including detecting mounting panel 301, still install fingerprint module transport mechanism and fingerprint module upset transport mechanism on detecting mounting panel 301, wherein detect mounting panel 301 and go up along work piece direction of detection and be equipped with camera module 302 in proper order, work piece reverse side detection mechanism 303 and work piece obverse side detection mechanism 304, fingerprint module transport mechanism is including the material loading assembly line and the unloading assembly line that are used for conveying the charging tray, all be equipped with fingerprint module upset transport mechanism between work piece reverse side detection mechanism 303 and work piece obverse side detection mechanism 304 and between work piece obverse side detection mechanism 304 and fingerprint module transport mechanism's unloading assembly line, camera module 302 sets up between material loading assembly line and work piece reverse side detection mechanism 303.

In the whole detection process, materials are placed in material trays at the beginning, the material trays where workpieces are placed are stacked at a material tray stacking station on an upper material flow line, then the materials are conveyed to a material feeding station under the action of a conveying belt, after the material trays at the material feeding station are stopped, the workpieces are clamped by a feeding manipulator until a camera module 302 reads a two-dimensional code on the workpieces and decodes the two-dimensional code, the workpieces are conveyed to a reverse rotating disc 307 from the material trays, reverse appearance detection and three-dimensional profile detection are sequentially carried out on the reverse rotating disc 307 through a plurality of reverse detection stations, after detection is finished, the workpieces are firstly turned over under the action of a fingerprint module turning and conveying mechanism and then conveyed to a front rotating disc 312, then front appearance detection is carried out on the front rotating disc 312 through a plurality of front detection stations, after detection is finished, the workpieces are conveyed to a turning mechanism to be turned over under the action of another turning and conveying mechanism, then the workpieces are conveyed to a material receiving station on a discharging flow line under the action of a discharging manipulator, the action of the stacking and the material trays are placed in the material trays, and placed in the material trays are orderly.

As shown in fig. 2 to 6, the fingerprint module overturning and carrying mechanism in this embodiment includes an overturning and carrying base 101, an overturning mechanism 102 and a carrying mechanism 103 are disposed on the overturning and carrying base 101, the overturning mechanism 102 includes two overturning plates 104 capable of being oppositely overturned from a horizontal state to a vertical state and being reversely overturned from the vertical state to the horizontal state, an overturning jig 105 capable of adsorbing a workpiece is disposed on the overturning plate 104, and the two overturning jigs 105 can respectively adsorb the front and back sides of the workpiece when the two overturning plates 104 are in the vertical overturning state; the conveying mechanism 103 includes a suction nozzle 106 for conveying the workpiece on the previous station to the turnover jig 105 and conveying the workpiece turned over on the turnover jig 105 to the next station.

In this embodiment, relative overturning is performed through two overturning plates 104, so that the overturning jig 105 on the overturning plate 104 can be adsorbed to the front and back surfaces of the workpiece just, whether adsorption is achieved or not by controlling the gas introduced into the overturning jig 105, when the overturning jig 105 is in a vertical state, the overturning jig 105 adsorbing the front surface of the workpiece is disconnected and adsorbed, the back surface of the workpiece is adsorbed to another overturning jig 105, then the overturning jig 105 returns to an original horizontal state, overturning of the workpiece is achieved, only the overturning mechanism 102 needs to repeatedly act on the subsequent workpiece, the action of the mode is coherent, and the overturning efficiency is high. In addition, in the embodiment, the turnover jig 105 is fixed on the turnover plate 104 by bolts or screws, and when workpieces of different models need to be turned over, only the turnover jig 105 needs to be replaced, so that the whole turnover mechanism 102 has high adaptability.

Upset transport base 101 includes upset transport bottom plate 107 and vertical two tilting mechanism mounting panels 108 that set up on upset transport bottom plate 107 and be parallel to each other in this embodiment, be equipped with mutual parallel arrangement's upset driving shaft 109 and upset driven shaft 110 between two tilting mechanism mounting panels 108, two returning face plates 104 set up respectively on upset driving shaft 109 and upset driven shaft 110, be equipped with on the tilting mechanism mounting panel 108 and drive upset driving shaft 109 pivoted upset motor 112 through upset belt 111, the tip that upset driving shaft 109 kept away from upset motor 112 is equipped with upset action wheel 113, the tip of upset driven shaft 110 is equipped with the upset driven wheel 114 with the meshing of upset action wheel 113. And a tension spring pin 115 is arranged on the turnover driving wheel 113 and the turnover driven wheel 114, two tension spring mounting rods 116 are arranged on the turnover mechanism mounting plate 108, and a reset tension spring 117 for realizing the rotation reset of the turnover driving shaft 109 and the turnover driven shaft 110 is respectively arranged between the two tension spring mounting rods 116 and the two tension spring pins 115.

During the use, upset motor 112 starts the back and drives upset driving shaft 109 through upset belt 111 and rotates, under upset action of action wheel 113 and upset driven wheel 114 for upset driven shaft 110 rotates, realizes the synchronous rotation of two returning face plates 104 then, can drive the synchronous upset of upset tool 105 after returning face plate 104 rotates in step, makes its positive and negative two sides that can adsorb the work piece, accomplishes subsequent work piece upset.

In this embodiment, a reset tension spring 117 (not connected in the drawing) is connected to the turnover driving wheel 113 and the turnover driven wheel 114, so that after the turnover driving wheel 113 and the turnover driven wheel 114 are turned over to be in a vertical state, the turnover motor 112 does not need to be controlled to turn over, and only the turning motor 112 needs to be reasonably controlled to start and stop, so that the turnover driving shaft 109 and the turnover driven shaft 110 can be turned over under the action of the reset tension spring 117, and the two turnover plates 104 can drive the turnover jig 105 to be in a horizontal state.

In addition, an i-shaped calibration plate 118 which is horizontally arranged and has groove portions 119 formed at both sides thereof is further disposed between the two turnover mechanism mounting plates 108, and protruding portions 120 which are matched with the groove portions 119 at both sides of the i-shaped calibration plate 118 are disposed at both ends of the two turnover plates 104 facing the i-shaped calibration plate 118. The arrangement of the I-shaped calibration plate 118 can ensure that the turnover plate 104 is still at the original position after being turned over and reset, and the situation that the subsequent workpieces cannot be continuously operated due to the fact that the position is deviated after being turned over and reset is avoided. The bottom surface of the turnover plate 104 is provided with a turnover limiting block 121, the side surface of the turnover limiting block 121 is provided with a turnover limiting groove 122, and the turnover limiting groove 122 can be clamped on the side surface of the turnover mechanism mounting plate 108 when the turnover plate 104 is in a horizontal state. The arrangement of the turning limiting block 121 can prevent the turning plate 104 from continuing to turn over under the action of inertia when being reset to the horizontal state, so that the stability of the turning plate 104 in the horizontal state is ensured.

In this embodiment, the carrying mechanism 103 includes two suction nozzle mounting plates 123 respectively cooperating with the two turnover jigs 105, the suction nozzles 106 are mounted on the suction nozzle mounting plates 123, and further includes a carrying mechanism mounting plate 124 vertically mounted on the turnover carrying base plate 107, a carrying motor mounting plate 125 is mounted on the carrying mechanism mounting plate 124, a carrying motor 126 is mounted on the carrying motor mounting plate 125, and the carrying motor 126 drives the suction nozzle mounting plate 123 to carry the workpiece through a link mechanism 127 mounted on the carrying motor mounting plate 125.

The carrying motor mounting plate 125 is provided with a carrying driving wheel 129 and a carrying driven wheel 130 which are driven by a carrying belt 128, the carrying driving wheel 129 is coaxially matched and connected with a driving shaft of the carrying motor 126, the link mechanism 127 comprises two short connecting rods 131 which are respectively connected with the carrying driving wheel 129 and the carrying driven wheel 130, a long connecting rod 132 is hinged between the two short connecting rods 131, and the two suction nozzle mounting plates 123 are respectively mounted at two ends of the long connecting rod 132 through suction nozzle mounting seats 133.

The suction nozzle mounting seat 133 comprises a U-shaped sliding seat 134, a mounting seat sliding rail 135 vertically arranged is arranged in the U-shaped sliding seat 134, a mounting seat sliding block 136 is connected onto the mounting seat sliding rail 135 in a sliding mode, an L-shaped fixing plate 137 is installed on the mounting seat sliding block 136, the vertical wall of the L-shaped fixing plate 137 is installed on the mounting seat sliding block 136, a suction nozzle mounting plate 123 is installed on the lower surface of the horizontal wall of the L-shaped fixing plate 137, and a damping spring 138 vertically arranged is further arranged between the vertical wall of the L-shaped fixing plate 137 and the U-shaped sliding seat 134.

In the operation process, transport motor 126 passes through the shaft coupling and drives transport action wheel 129 and rotate, transport action wheel 129 drives transport from driving wheel 130 synchronous motion through transport belt 128, can realize that two short connecting rods 131 drive long connecting rod 132 motion behind the synchronous motion, long connecting rod 132 drives the motion of the suction nozzle mounting panel 123 at both ends, make the relative upset tool 105 motion of one of them suction nozzle mounting panel 123, another suction nozzle mounting panel 123 moves in reverse the other upset tool 105 of the back of the body mutually, whole in-process and tilting mechanism 102 mutually support, realize linking up the action of whole upset handling, further improve the operating efficiency between the adjacent station.

In the specific carrying and turning process, the suction nozzle mounting plate 123 close to the previous station firstly adsorbs the workpiece on the previous station, at this time, the two turning jigs 105 in the turning mechanism 102 are both in a horizontal state, then the suction nozzle mounting plate 123 drives the workpiece to move to the turning jig 105 opposite to the suction nozzle mounting plate under the action of the carrying motor 126 and the link mechanism 127, the turning jig 105 adsorbs the workpiece, at this time, the turning motor 112 is started to enable the two turning jigs 105 to turn over relatively until the two turning jigs 105 respectively adsorb the front and back sides of the workpiece, then the turning jig 105 is controlled to be adsorbed on and off, so that the workpiece is adsorbed on the other turning jig 105, then the turning plate 104 is reset under the action of the reset tension spring 117, so that the turning jig 105 is restored to be in a horizontal state, and at this time, the workpiece on the turning jig 105 is already turned over; meanwhile, the carrying motor 126 drives the nozzle mounting plate 123 to return to the original position, after the turnover jig 105 is turned over to the horizontal state, the other nozzle mounting plate 123 can just correspond to the turnover jig 105 on which the workpiece is adsorbed, then the nozzle mounting plate 123 adsorbs the turned-over jig, the nozzle mounting plate 123 on which the workpiece is adsorbed is moved to the next station through the carrying motor 126 again, meanwhile, the workpiece at the previous station can be conveyed to the front turnover jig 105 again by the front nozzle mounting plate 123 in the process, so that the continuous turnover and carrying of the workpiece are completed in a circulating manner, the running time of the carrying mechanism 103 and the turnover mechanism 102 needs to be strictly controlled by control elements such as a photoelectric sensor in the whole process, mutual interference among mutual actions is ensured, the continuity of the actions is ensured, the turnover rhythm is effectively improved, and the working efficiency is further improved.

As shown in fig. 7 to 14, the fingerprint module conveying mechanism in this embodiment includes an upper flow line 201 and a lower flow line 202 for conveying a tray, each of the upper flow line 201 and the lower flow line 202 includes a fixed guide rod 203 horizontally disposed and a movable guide rod 204 parallel to the fixed guide rod 203 and capable of moving toward or away from the fixed guide rod 203, a tray stacking station 205 and a loading station 206 are sequentially disposed on the upper flow line 201 between the fixed guide rod 203 and the movable guide rod 204 along a feeding direction, and an empty tray stacking station 207, a receiving station 208 and a discharging station 209 are sequentially disposed on the lower flow line 202 between the fixed guide rod 203 and the movable guide rod 204 along a discharging direction.

In this embodiment, through set up two assembly lines in transport mechanism, realize the autonomous working of material loading and unloading, need not to wait that the detection of a former charging tray finishes and puts into the charging tray again after placing next charging tray and detect, but in the time of the detection of a former charging tray, a back charging tray connects the material simultaneously, can effectively improve whole work efficiency.

In addition, a material tray stacking station 205 is arranged on the material loading assembly line 201, and an empty tray stacking station 207 is arranged on the material unloading assembly line 202, so that the material trays are not required to be placed one by one when being fed, the material trays are placed in a stacking mode, automatic blanking is realized, meanwhile, the material receiving trays are not required to be placed in the material receiving station 208 one by one when being fed, the empty material trays are placed in an empty tray stacking mode, automatic feeding is realized, and the working efficiency of the whole conveying mechanism can be further improved.

The automatic material loading device is characterized by further comprising a material loading mechanical arm 210 and a material unloading mechanical arm 211, wherein the material loading mechanical arm 210 and the material loading assembly line 201 are correspondingly arranged and are used for conveying workpieces in a material tray at the material loading station 206 to a detection station for detection, and the material unloading mechanical arm 211 and the material unloading assembly line 202 are correspondingly arranged and are used for conveying the workpieces after the detection station is detected to the material tray at the material receiving station 208. The workpiece is respectively fed and discharged through the two mechanical arms, and feeding and discharging are respectively and simultaneously carried out. Wherein material loading manipulator 210 is including setting up the manipulator support 246 in material loading station 206 top, be equipped with the material loading sucking disc 247 that is used for absorbing the work piece on manipulator support 246, material loading sucking disc 247 can be along three degree of freedom rectilinear motion on manipulator support 246, material loading sucking disc 247 can be at the transport mechanism length, width and direction of height motion promptly, its accessible screw drive, also can be through other mode transmissions, unloading manipulator 211 is including setting up the manipulator base 248 that connects material station 208 department, be equipped with swing arm manipulator 249 on manipulator base 248, be equipped with the unloading sucking disc 250 that is used for absorbing the work piece and can move in vertical direction on swing arm manipulator 249.

In this embodiment, both the feeding assembly line 201 and the blanking assembly line 202 include a movable guide rod driving mechanism, the movable guide rod driving mechanism includes a guide rod drive 212, and further includes a guide rod slide rail 213 disposed along the moving direction of the movable guide rod 204 in the length direction, a guide rod slide block 214 capable of sliding along the guide rod slide rail 213 is disposed on the guide rod slide rail 213, a guide rod mounting plate 215 is fixed on the guide rod slide block 214, a movable support seat 216 and a guide rod drive seat 217 are mounted on the guide rod mounting plate 215, the movable guide rod 204 is mounted on the movable support seat 216, a drive screw rod 218 axially disposed along the guide rod moving direction is connected to the guide rod drive seat 217 through a thread, the drive screw rod 218 is connected to the guide rod drive 212 and rotates through the guide rod drive 212, and the guide rod drive 212 is a drive motor or a manual rocking wheel. In the operation process, in order to adapt to charging trays with different widths, the position of the movable guide rod 204 relative to the fixed guide rod 203 needs to be adjusted, the rotation of the driving screw rod 218 is realized only through a hand wheel or a driving motor during adjustment, the guide rod driving seat 217 can axially move along the driving screw rod 218 under the rotation action of the driving screw rod 218, the whole guide rod mounting plate 215 can be driven to move relative to the fixed guide rod 203 at the moment, in order to ensure the stability of the whole mechanism during operation, a driving seat used for fixing the guide rod driving 212 is further arranged, the guide rod driving 212 can be fixed on the detection mounting plate through bolts or screws, a plurality of bolt holes or screw holes used for fixing the driving seat are formed in the detection mounting plate, the guide rod driving 212 is fixed during the operation process, the fixing of the guide rod driving 212 is firstly released during the adjustment process, the guide rod driving 212 is fixed after moving to the required position on the detection mounting plate, and the working stability of the whole mechanism is effectively ensured.

In this embodiment, a tray conveying mechanism is disposed between the fixed guide rod 203 and the moving guide rod 204, the tray conveying mechanism includes a conveying motor 220, and further includes a fixed support seat 221 supported below the fixed guide rod 203, active conveying wheels 222 are mounted on the fixed support seat 221 and the moving support seat 216 through bearings, a transmission shaft 223 is mounted on a motor shaft of the conveying motor 220 in a matching manner and is matched with the fixed support seat 221 and the active conveying wheels 222 on the moving support seat 216, the active conveying wheels 222 are matched with the transmission shaft 223 and form a rotation limit, wherein the transmission shaft 223 is a hexagonal transmission shaft 223 having a hexagonal cross section, the active transmission wheel is a hexagonal transmission wheel having a hexagonal hole in the middle, the rotation limit is formed between the hexagonal transmission wheel and the hexagonal transmission shaft 223, the hexagonal transmission wheel axially slides in the hexagonal transmission shaft, in order to ensure stability of a working state, a limit screw hole is disposed on a sidewall of the active transmission wheel, when the transmission shaft 223 moves to extend out of a required length of the active transmission wheel, the transmission shaft 223 is abutted against the transmission shaft 223 through a limit screw disposed in the limit screw hole, at this time, the transmission shaft 223 can be axially limited in the active transmission wheel, when adjustment is required, the limit can be released, so that the axial direction of the moving support seat 216 can slide in relation to the active transmission shaft 223.

In addition, the outer side wall of the driving transmission wheel 222 is provided with a belt groove 224, the opposite side surfaces of the fixed guide rod 203 and the movable guide rod 204 are respectively provided with driven transmission wheels 225 which are arranged at intervals along the length direction, the driving transmission wheels 222 and the driven transmission wheels 225 on the fixed guide rod 203 and the movable guide rod 204 are respectively connected through transmission belts, and two ends of the material tray can be respectively lapped on the transmission belts on the fixed guide rod 203 and the movable guide rod 204. Similarly, in order to guarantee job stabilization nature, also be provided with the driving motor fixing base, it is fixed on detecting the mounting panel through detachable modes such as bolt or screw, relieves spacingly with it and detection mounting panel when needing, realizes fixing again after the regulation. In the working process, the driving motor drives the driving transmission wheels on the movable guide rod 204 and the fixed guide rod 203 to rotate through the transmission shaft 223, the driving transmission wheels drive the driven transmission wheels 225 to rotate through the transmission belt, the transmission belt runs, and the material tray is placed on the transmission belt and can run to a required station along with the transmission belt.

In this embodiment, each of the tray stacking station 205, the empty tray stacking station 207, and the blanking station 209 includes a tray jacking mechanism and a tray supporting and lifting mechanism, the tray jacking mechanism includes an air cylinder mounting seat 226, a jacking air cylinder 227 with a vertically upward piston rod and a lateral movement air cylinder 228 with a horizontally piston rod and arranged along the movement direction of the movement guide rod 204 are mounted on the air cylinder mounting seat 226, a top plate 229 horizontally arranged is mounted at the end of the piston rod of the jacking air cylinder 227, a jacking slide rail 230 with a length direction arranged along the movement direction of the movement guide rod 204 is mounted on the upper surface of the top plate 229, the end of the piston rod of the lateral movement air cylinder 228 is connected with a jacking plate 232 horizontally arranged above the top plate 229 through a lateral movement plate 231, and a jacking slide block capable of sliding on the jacking slide rail 230 is arranged on the lower surface of the jacking plate 232; the tray supporting and lifting mechanism comprises two supporting and lifting cylinders 234 which are respectively arranged on the upper end surfaces of the fixed guide rod 203 and the movable guide rod 204 and are provided with piston rods horizontally opposite to each other, supporting and lifting plates 235 are arranged at the end parts of the piston rods of the two supporting and lifting cylinders 234, the jacking plates 232 can move up and down between the two supporting and lifting plates 235, and the opposite end parts of the two supporting and lifting plates 235 are respectively constructed into conical end parts 236 with the lower bottom surfaces inclined upwards. The movement of the vertical direction and the horizontal direction of the jacking plate 232 can be realized by the tray jacking mechanism, so that trays on the tray jacking mechanism can be better matched with the tray supporting and lifting mechanism, the trays can be automatically placed on the conveying belt at the tray stacking station 205 and the empty tray stacking station 207, and the trays after detection are automatically stacked at the blanking station 209.

In the working process, the material tray stacking station 205 and the empty tray stacking station 207 place the stacked conveying materials on the lifting plate 232, the lifting plate 232 is located above the supporting and lifting plate 235 in an initial state, then the material trays on the lifting plate are driven to descend by the lifting cylinder 227 until the lowest material tray moves to the position of the supporting and lifting plate 235, separation of the lowest material tray and the upper conveying material can be achieved under the combined action of the supporting and lifting cylinder 234 and the conical end 236 at the end of the supporting and lifting plate 235, the upper conveying material is lifted by the supporting and lifting plate 235, the lifting cylinder 227 drives the lifting plate 232 to continue to move downwards until two ends of the lowest material tray are overlapped onto the conveying belts on two sides, the material trays are conveyed to the next station to take materials or receive the materials under the action of the conveying belts, the lifting cylinder 227 drives the lifting plate 232 to move upwards after the material trays on the upper material tray are conveyed away, the material trays are completely moved downwards again, the material trays are placed on the conveying belts one by one, and the material trays on the receiving station 208 and the lifting cylinder are reversely controlled to be matched with the lifting cylinder 227, and detection of the material trays 235 can be achieved.

In addition, in this embodiment, each of the tray stacking station 205, the empty tray stacking station 207, and the blanking station 209 includes a tray guiding mechanism, the tray guiding mechanism includes two fixed guide bars 237 vertically disposed on the upper end surfaces of the fixed guide rod 203 and the movable guide rod 204, the upper end surfaces of the fixed guide rod 203 and the movable guide rod 204 are respectively provided with a movable guide bar 238 disposed opposite to the fixed guide bars 237, the movable guide bar 238 can move toward or away from the corresponding fixed guide bar 237, the fixed guide rod 203 and the movable guide rod 204 are respectively provided with a limiting member 239 for limiting the movable guide bar 238, the fixed guide bar 237 and the movable guide bar 238 are both in a long-strip plate shape with an L-shaped cross section, and the two fixed guide bars 237 and the two movable guide bars 238 on the fixed guide rod 203 and the movable guide rod 204 jointly form a tray stacking portion in a rectangular frame structure.

The limiting member 239 limiting the moving guide bar 238 comprises a limiting slide rail 240 fixed on the fixed guide rod 203 and the moving guide rod 204, the bottom of the moving guide bar 238 is slidably connected to the limiting slide rail 240 and fixed through bolts or screws, and a plurality of limiting holes are formed in the limiting slide rail 240 along the length direction, so that the moving guide bar 238 is fixed through different limiting holes, and adjustment of different positions of the moving guide bar 238 is achieved. The setting of charging tray stack portion through can adjusting length can realize keeping stack stability when the stack to not unidimensional charging tray, avoids the charging tray collapse of stack.

In this embodiment, each of the tray stacking station 205, the loading station 206, the empty tray stacking station 207, the receiving station 208, and the unloading station 209 includes a tray stopping mechanism, the tray stopping mechanism includes a stopping cylinder 241 disposed on the fixed guide rod 203 or/and the movable guide rod 204 or disposed between the fixed guide rod 203 and the movable guide rod 204, the stopping cylinder 241 is disposed at the end of the tray moving direction at the corresponding station, a stopping plate 242 capable of stopping movement of the tray is disposed at the end of a piston rod of the stopping cylinder 241, and the tray stopping mechanism at the loading station 206 can move along the tray moving direction.

The stopping cylinder 241 and the stopping plate 242 are arranged to stop the material tray from continuously running when the material tray is conveyed to the corresponding station, so that the material tray can be accurately positioned at the corresponding station to complete the actions of material taking or material receiving and the like of the station. Wherein the charging tray that material loading station 206 located keeps off and stops the mechanism and can follow charging tray direction of motion, therefore can realize carrying out accurate location to the actual operating point of material loading station 206, in order to guarantee that the manipulator can be accurate snatch the work piece, wherein install the fender of material loading station 206 department and stop cylinder 241 on a sliding seat during the installation, set up the slide rail that sets up along the charging tray direction of motion on detecting the mounting panel, make keep off and stop cylinder 241 and can realize that the charging tray keeps off and stop the mechanism and move along the charging tray direction of motion along the slide rail motion under the effect such as motor, lead screw.

The discharging line 243 comprises a discharging conveyor belt 244 and a discharging motor 245 used for driving the discharging conveyor belt 244 to move, the discharging motor 245 drives the discharging conveyor belt 244 to move, and the discharging manipulator 211 places the unqualified workpiece on the discharging conveyor belt 244 to enable the unqualified workpiece to be conveyed to a specified position.

As shown in fig. 15-21, the fingerprint module detecting mechanism in this embodiment includes a detecting mounting plate 301, and a camera module 302, a workpiece back side detecting mechanism 303, and a workpiece front side detecting mechanism 304 are sequentially disposed on the detecting mounting plate 301 along a workpiece detecting direction.

The camera module 302 comprises two feeding decoding cameras 305 mounted on the detection mounting plate 301 and a first annular light source 306 arranged above the feeding decoding cameras 305; the workpiece reverse side detection mechanism 303 comprises a reverse side rotating disc 307, the upper surface of the reverse side rotating disc is used for placing workpieces and driving the workpieces to rotate in sequence, at least three reverse side detection stations are arranged at the outer edge of the reverse side rotating disc 307, a laser 308 for scanning the three-dimensional outline of the workpiece is installed on one reverse side detection station, reverse side detection cameras 309 for detecting the reverse sides of the workpieces rotating to the corresponding detection stations on the reverse side rotating disc 307 and coaxial light sources 310 coaxially arranged below the corresponding reverse side detection cameras 309 are arranged on the other reverse side detection stations, and a second annular light source 314 coaxially arranged below the coaxial light sources 310 is further arranged on at least one reverse side detection station; at least one reverse side detection station is also provided with a side detection camera 311 for detecting the side of the workpiece; the workpiece front detection mechanism 304 comprises a front rotating disc 312, the upper surface of the front rotating disc 312 is used for placing workpieces and driving the workpieces to rotate in sequence, at least four front detection stations are sequentially arranged at the outer edge of the front rotating disc 312 in the rotating direction, a front detection camera 313 and a coaxial light source 310 are arranged on all the front detection stations, the front detection camera 313 and the coaxial light source 310 are coaxially arranged below the front detection camera 313, the second annular light source 314 is coaxially arranged below the coaxial light source 310 and is used for detecting the front of the workpiece rotating disc 312, and a side detection camera 311 is arranged on at least one front detection station and is used for detecting the side of the workpiece.

Specifically, in this embodiment, the workpiece reverse side detection mechanism 303 includes a first reverse side detection station 315, a second reverse side detection station 316, a third reverse side detection station 317, and a fourth reverse side detection station 318, which are sequentially arranged around the reverse side rotation disc 307 in the rotation direction, the first reverse side detection station 315, the second reverse side detection station 316, and the third reverse side detection station 317 are all provided with a reverse side detection camera 309 for performing appearance detection on a workpiece rotated to a corresponding position on the reverse side rotation disc 307, and a coaxial light source 310 coaxially arranged below the corresponding reverse side detection camera 309, the first reverse side detection station 315 and the third reverse side detection station 317 are also provided with a second annular light source 314 coaxially arranged below the coaxial light source 310, and the second reverse side detection station 316 is provided with a side detection camera 311 for detecting a side of the workpiece; the fourth reverse side detection station 318 is provided with a laser 308 for scanning the three-dimensional outline of the workpiece;

the workpiece front detection mechanism 304 comprises a first front detection station 319, a second front detection station 320, a third front detection station 321, a fourth front detection station 322 and a fifth front detection station 323 which are sequentially arranged around the rotation direction of the front rotating disc 312, the second front detection station 320 and the fourth front detection station 322 are respectively provided with a coaxial light source 310 coaxially arranged below the corresponding front detection camera 313 and a second annular light source 314 arranged below the coaxial light source 310, and the third front detection station 321 is provided with a side detection camera 311 for detecting the side surface of the workpiece; the fifth front inspection station 323 is provided with a second annular light source 314 coaxially disposed below the respective front inspection camera 313.

In this embodiment detect work piece openly and reverse side through a plurality of stations, and still be equipped with laser 308 on the positive station and carry out 3D profile detection, can cover whole product scanning face, can accomplish the detection of full aspect to the tow sides of work piece, detect comprehensively. In addition, both the positive and negative detection are carried out in an annular arrangement mode, so that the temporary space of the equipment can be reduced as much as possible while the efficient detection is realized.

The polishing mode that the coaxial light source 310 is arranged above the second front detection station 320 and the second annular light source 314 is arranged below the fourth front detection station 322 is adopted, the coaxial light source 310 protrudes out of the front face of the workpiece, the forward edge and the depression of the second annular light source 314 are enhanced, clear images of depression features such as pressure injury are obtained, and the polishing mode has a good detection effect on the detection of the depression features of the fingerprint module.

In addition, in this embodiment, the first back side detection station 315, the third back side detection station 317, the first front side detection station 319, the second front side detection station 320, the fourth front side detection station 322, and the fifth front side detection station 323 each include a first camera mounting frame 324, the first camera mounting frame 324 includes a first camera support plate 325, a first camera support pillar 326 extending upward is disposed on an upper surface of the first camera support plate 325, the back side detection camera 309 or the front side detection camera 313 is mounted on an upper end portion of the first camera support pillar 326, and the first camera mounting frame 324 further includes a first driving module 327 for driving the first camera support plate 325 to move along a length direction and a width direction of the first camera support plate 325 in a horizontal plane.

The second reverse side detection station 316 and the third front side detection station 321 both include a second camera mounting bracket 328, the second camera mounting bracket 328 includes two second support columns 329 fixed to the detection mounting plate 301, the second camera support plate 330 is installed on the top ends of the two second support columns 329, a front camera mounting bracket 331 and a side camera mounting bracket 332 are installed on the upper and lower end faces of the second camera support plate 330 respectively, a longitudinal camera mounting plate 333 and a transverse camera mounting plate 334 which are vertically and horizontally arranged in the length direction respectively are arranged on the front camera mounting bracket 331 and the side camera mounting bracket 332 respectively, the front detection camera 313 and the side detection camera 311 are installed on the longitudinal camera mounting plate 333 and the transverse camera mounting plate 334 respectively, second driving modules 335 are arranged on the upper and lower end faces of the second camera support plate 330, and the second driving modules 335 are used for driving the longitudinal camera mounting plate 333 or the transverse camera mounting plate 334 to move in the horizontal plane along the length direction and the width direction thereof. First drive module 327 and second drive module 335 can all adopt conventional xy electronic straight line module, can adjust the position that detects the camera on the detection station to different model work pieces to can realize changing production fast when to different work pieces.

In this embodiment, the first camera support column 326, the longitudinal camera mounting plate 333, and the lateral camera mounting plate 334 are each provided with a camera slide rail 336 arranged along the length direction thereof and a camera slide carriage 337 sliding along the camera slide rail 336, the front side detection camera 313, the back side detection camera 309, and the lateral side detection camera 311 are fixed to the corresponding camera slide carriage 337, the first camera support column 326, the longitudinal camera mounting plate 333, and the lateral camera mounting plate 334 are each provided with a plurality of camera limiting holes 338 along the length direction of the camera slide rail 336, and the camera slide carriage 337 adjusts the position on the camera slide rail 336 by being fixed to different camera limiting holes 338.

The camera slide 337 is provided with a detachable camera positioning plate 339, the middle of the camera positioning plate 339 is provided with a camera positioning hole 340 coaxially arranged with the camera, and a camera positioning shaft 341 detachably arranged and coaxially arranged with the camera is arranged in the camera positioning hole 340. At check out test set regulation stage, can aim at corresponding detection station through camera location axle 341 and adjust the camera, camera location axle 341 one end coaxial coupling is in the camera lens department that detects the camera, and the other end extends to detection station department, can more audio-visually find out through camera location axle 341 whether the camera position squints the detection station, after the adjustment detects the camera position, demolish camera location board 339 and camera location axle 341 to produce when avoiding detecting the camera and shoot and interfere. The camera positioning plate 339 and the camera positioning shaft 341 are both connected to the camera slide 337 through simple screws, so that the camera positioning plate and the camera positioning shaft are very convenient to disassemble and assemble, and almost have no influence on the whole detection work efficiency.

All be equipped with light source mount 342 on first camera support column 326, vertical camera mounting panel 333 and the horizontal camera mounting panel 334, light source mount 342 is including the light source mounting panel 343 that is used for installing corresponding light source, is equipped with on the light source mounting panel 343 can cooperate gliding mounting panel slide 344 with camera slide rail 336, is equipped with on the light source mounting panel 343 and cooperates spacing hole 345 of spacing mounting panel with spacing hole 338 of camera.

The camera slide 337 is arranged to adjust the height position of the detection camera and the height position of the light source, so that different focal length cameras can be selected as required, and the purpose of flexible detection is achieved.

The fourth reverse side inspection station in this embodiment comprises a laser mounting bracket 346, the laser mounting bracket 346 comprises a laser supporting column 347 fixed at the bottom on the inspection mounting plate 301, and the laser 308 is mounted at the top of the laser supporting column 347 and can move towards or away from the center of the reverse side rotating disk 307 in the horizontal plane.

The top of the laser supporting column 347 is provided with a laser driving mechanism 348, the laser driving mechanism 348 comprises a laser motor mounting rack 349 fixed at the top of the laser supporting column 347, a laser driving motor 350 and a laser driving screw 351 connected to a motor shaft of the laser driving motor 350 are arranged on the laser motor mounting rack 349, and the laser driving screw 351 is axially and radially arranged along the reverse side rotating disc 307; the laser motor mounting rack 349 is further provided with a laser driving sliding seat 352 capable of axially moving along the laser driving screw 351 under the rotation action of the laser driving screw 351, and the laser 308 is mounted on the laser driving sliding seat 352.

In summary, the above-mentioned embodiments are only preferred embodiments of the present invention, and all equivalent changes and modifications made in the claims of the present invention should be covered by the claims of the present invention.

Claims (10)

1. The utility model provides a fingerprint module detecting system, is including detecting mounting panel (301), its characterized in that: detect to be equipped with fingerprint module transport mechanism and fingerprint module detection mechanism on mounting panel (301), fingerprint module transport mechanism is including material loading assembly line and the unloading assembly line that is used for conveying the charging tray, fingerprint module detection mechanism includes camera module (302) that sets gradually along the work piece detection direction, work piece reverse side detection mechanism (303) and positive detection mechanism of work piece (304), it just is located on mounting panel (301) and all is equipped with fingerprint module upset transport mechanism between work piece reverse side detection mechanism (303) and positive detection mechanism of work piece (304) and the unloading assembly line, camera module (302) set up between material loading assembly line and work piece reverse side detection mechanism (303).

2. The fingerprint module detection system of claim 1, wherein: the feeding assembly line (201) and the blanking assembly line (202) comprise a fixed guide rod (203) and a movable guide rod (204), wherein the fixed guide rod (203) and the movable guide rod (204) are horizontally arranged, the movable guide rod (203) is parallel to the fixed guide rod (203) and can move towards or away from the fixed guide rod (203), a tray stacking station (205) and a feeding station (206) are sequentially arranged between the fixed guide rod (203) and the movable guide rod (204) on the feeding assembly line (201) along the feeding direction, and an empty tray stacking station (207), a material receiving station (208) and a blanking station (209) are sequentially arranged between the fixed guide rod (203) and the movable guide rod (204) on the blanking assembly line (202) along the discharging direction.

3. The fingerprint module detection system of claim 2, wherein: the automatic material loading device is characterized by further comprising a feeding mechanical arm (210) and a discharging mechanical arm (211), wherein the feeding mechanical arm (210) and the feeding assembly line (201) are correspondingly arranged and are used for conveying workpieces in a material tray at the feeding station (206) to the detection station for detection, and the discharging mechanical arm (211) and the discharging assembly line (202) are correspondingly arranged and are used for conveying the workpieces after detection of the detection station to the material tray at the material receiving station (208).

4. The fingerprint module detecting system of claim 2, wherein: the tray stacking station (205), the empty tray stacking station (207) and the blanking station (209) comprise tray jacking mechanisms and tray supporting and lifting mechanisms, each tray jacking mechanism comprises a cylinder mounting seat (226), a jacking cylinder (227) with a vertically upward piston rod and a lateral movement cylinder (228) with a horizontal piston rod and a horizontal piston rod are mounted on each cylinder mounting seat (226), a horizontally arranged top plate (229) is mounted at the end part of the piston rod of each jacking cylinder (227), a jacking sliding rail (230) with the length direction arranged along the movement direction of the movement guide rod (204) is mounted on the upper surface of each top plate (229), the end part of the piston rod of each lateral movement cylinder (228) is connected with a jacking plate (232) horizontally arranged above the top plate (229) through one lateral movement plate (231), and a jacking sliding block (233) capable of sliding on each jacking sliding rail (230) is arranged on the lower surface of each jacking plate (232);

the tray supporting and lifting mechanism comprises two supporting and lifting cylinders (234) which are respectively arranged on the upper end surfaces of the fixed guide rod (203) and the movable guide rod (204) and are horizontally and oppositely provided with piston rods, supporting and lifting plates (235) are respectively arranged at the end parts of the piston rods of the two supporting and lifting cylinders (234), the jacking plates (232) can move up and down between the two supporting and lifting plates (235), and the opposite end parts of the two supporting and lifting plates (235) are respectively constructed into a conical end part (236) with the lower bottom surface inclined upwards.

5. The fingerprint module detection system of claim 1, wherein: the camera module (302) comprises two feeding decoding cameras (305) arranged on the detection mounting plate (301) and a first annular light source (306) arranged above the feeding decoding cameras (305).

6. The fingerprint module detection system of claim 1, wherein: the workpiece reverse side detection mechanism (303) comprises a reverse side rotating disc (307) of which the upper surface is used for placing workpieces and driving the workpieces to rotate in sequence, at least three reverse side detection stations are arranged at the outer edge of the reverse side rotating disc (307), a laser (308) for scanning the three-dimensional outline of the workpieces is installed on one reverse side detection station, and reverse side detection cameras (309) for detecting the reverse sides of the workpieces rotating to the corresponding detection stations on the reverse side rotating disc (307) and coaxial light sources (310) coaxially arranged below the corresponding reverse side detection cameras (309) are arranged on the other reverse side detection stations; at least one reverse side detection station is also provided with a side detection camera (311) for detecting the side of the workpiece;

the workpiece front detection mechanism (304) comprises a front rotating disc (312) with an upper surface used for placing a workpiece and driving the workpiece to rotate in sequence, at least four front detection stations are sequentially arranged at the outer edge of the front rotating disc (312) in a rotating direction, a front detection camera (313) which is used for detecting the front of the workpiece rotating to the corresponding detection station on the front rotating disc (312) and a coaxial light source (310) which is coaxially arranged below the front detection camera (313) are arranged on all the front detection stations, a second annular light source (314) which is coaxially arranged below the coaxial light source (310) are further arranged on at least two front detection stations, and a side detection camera (311) which is used for detecting the side of the workpiece is further arranged on at least one front detection station.

7. The fingerprint module detecting system of claim 6, wherein: the workpiece reverse side detection mechanism (303) comprises a first reverse side detection station (315), a second reverse side detection station (316), a third reverse side detection station (317) and a fourth reverse side detection station (318) which are sequentially arranged in the rotation direction of the reverse side rotating disc (307), reverse side detection cameras (309) for performing appearance detection on workpieces which rotate to corresponding positions on the reverse side rotating disc (307) and coaxial light sources (310) which are coaxially arranged below the corresponding reverse side detection cameras (309) are arranged on the first reverse side detection station (315), the second reverse side detection station (316) and a side detection camera (311) for detecting the side of the workpieces; a laser (308) for scanning the three-dimensional outline of the workpiece is arranged on the fourth reverse side detection station (318);

the workpiece front detection mechanism (304) comprises a first front detection station (319), a second front detection station (320), a third front detection station (321), a fourth front detection station (322) and a fifth front detection station (323) which are sequentially arranged along the rotation direction of the front rotating disc (312), wherein the second front detection station (320) and the fourth front detection station (322) are respectively provided with a coaxial light source (310) coaxially arranged below the corresponding front detection camera (313) and a second annular light source (314) arranged below the coaxial light source (310), and the third front detection station (321) is provided with a side detection camera (311) for detecting the side surface of the workpiece; a second annular light source (314) is arranged on the fifth front detection station (323) coaxially below the corresponding front detection camera (313).

8. The fingerprint module detection system of claim 6 or 7, wherein: the fingerprint module overturning and carrying mechanism is positioned between the workpiece back side detection mechanism (303) and the workpiece front side detection mechanism (304) and is used for overturning the fingerprint module after the detection on the back side rotating disc (307) is finished and then transporting the fingerprint module to the front side rotating disc (312);

the fingerprint module overturning and carrying mechanism positioned between the workpiece front detection mechanism (304) and the blanking assembly line is used for taking down and overturning the fingerprint module after the front rotary disk (312) is detected.

9. The fingerprint module detection system of claim 8, wherein: the fingerprint module overturning and carrying mechanism comprises an overturning and carrying base (101), an overturning mechanism (102) and a carrying mechanism (103) are arranged on the overturning and carrying base (101), the overturning mechanism (102) comprises two overturning plates (104) which can be oppositely overturned from a horizontal state to a vertical state and can be oppositely overturned from the vertical state to the horizontal state, overturning jigs (105) capable of adsorbing workpieces are arranged on the overturning plates (104), and the two overturning jigs (105) can respectively adsorb the front and back surfaces of the workpieces when the two overturning plates (104) are in the vertical overturning state; the conveying mechanism (103) comprises a suction nozzle (106) which is used for conveying the workpiece on the previous station to the overturning jig (105) and conveying the workpiece overturned on the overturning jig (105) to the next station.

10. The fingerprint module detecting system of claim 9, wherein: the conveying mechanism (103) comprises two suction nozzle mounting plates (123) which are respectively matched with the two overturning jigs (105), the suction nozzles (106) are mounted on the suction nozzle mounting plates (123), the conveying mechanism mounting plates (124) are vertically mounted on the overturning conveying bottom plate (107), conveying motor mounting plates (125) are mounted on the conveying mechanism mounting plates (124), conveying motors (126) are mounted on the conveying motor mounting plates (125), and the conveying motors (126) drive the suction nozzle mounting plates (123) to convey workpieces through a connecting rod mechanism (127) mounted on the conveying motor mounting plates (125);

the conveying motor mounting plate (125) is provided with a conveying driving wheel (129) and a conveying driven wheel (130) which are driven by a conveying belt (128), the conveying driving wheel (129) is coaxially matched and connected with a driving shaft of the conveying motor (126), the connecting rod mechanism (127) comprises two short connecting rods (131) which are respectively connected to the conveying driving wheel (129) and the conveying driven wheel (130), a long connecting rod (132) is hinged between the two short connecting rods (131), and the two suction nozzle mounting plates (123) are respectively mounted at two ends of the long connecting rod (132) through suction nozzle mounting seats (133).

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