A fingerprint module detection system and its transmission mechanism

Abstract

The invention relates to a fingerprint module detection system, and discloses a fingerprint module detection system and a transmission mechanism thereof, which comprises a loading assembly line (201) and a unloading assembly line (202), wherein the loading assembly line (201) and the unloading assembly line (202) both comprise a fixed guide rod (203) and a movable guide rod (204), wherein a material tray stacking station (205) and a loading station (206) are sequentially arranged between the fixed guide rod (203) and the movable guide rod (204) on the loading assembly line (201) along a feeding direction, and an empty tray stacking station (207), a material receiving station (208) and a unloading station (209) are sequentially arranged between the fixed guide rod (203) and the movable guide rod (204) on the unloading assembly line (202) along a discharging direction. The present invention realizes the independent work of loading and unloading by two assembly lines, and can realize the stacking and placement of material trays, automatic unloading and automatic stacking, which can effectively improve the work efficiency in the transmission process.

Description

Technical Field

[0001] The present invention relates to a fingerprint module detection system, and in particular to a fingerprint module detection system and a transmission mechanism thereof. Background Art

[0002] After the fingerprint module is assembled, it is necessary to test its sensitivity, whether it is connected to the circuit, whether there are any defects in the appearance, etc. The AOI inspection equipment used in the inspection has become an important inspection tool and process quality control tool for ensuring product quality in the electronic manufacturing industry.

[0003] During the detection process of the fingerprint module, the positive plate tray containing the workpiece needs to be transported between the workstations. In the prior art, guide rods and belts are generally used for the transportation of the trays. During the transportation process, positioning detection is performed after loading, and the belt is used to unload the material after the detection is completed. In this process, a single tray must be fully inspected and unloaded before the next tray can be placed. Generally, the trays are placed one by one, and cannot be stacked and automatically fed. The overall efficiency needs to be further improved. Summary of the invention

[0004] The present invention aims at the problem of material tray transmission in the fingerprint module detection process in the prior art and provides a fingerprint module detection system and a transmission mechanism thereof.

[0005] In order to solve the above technical problems, the present invention is solved by the following technical solutions:

[0006] A fingerprint module conveying mechanism comprises a loading assembly line and a unloading assembly line for conveying material trays, wherein the loading assembly line and the unloading assembly line both comprise a horizontally arranged fixed guide rod and a movable guide rod which is parallel to the fixed guide rod and can move toward or away from the fixed guide rod, a material tray stacking station and a loading station are sequentially arranged between the fixed guide rod and the movable guide rod along a feeding direction on the loading assembly line, and an empty tray stacking station, a material receiving station and an unloading station are sequentially arranged between the fixed guide rod and the movable guide rod along a discharging direction on the unloading assembly line.

[0007] Preferably, it also includes a loading robot and an unloading robot. The loading robot is arranged corresponding to the loading assembly line and is used to transport the workpieces in the material tray at the loading station to the inspection station for inspection. The unloading robot is arranged corresponding to the unloading assembly line and is used to transport the workpieces after inspection at the inspection station to the material tray of the receiving station.

[0008] Preferably, both the loading and unloading assembly lines include a movable guide rod driving mechanism, which includes a guide rod drive and a guide rod slide rail arranged along the moving direction of the movable guide rod in the length direction, the guide rod slide rail is provided with a guide rod slider that can slide along the guide rod slide rail, a guide rod mounting plate is fixed on the guide rod slider, a movable support seat and a guide rod driving seat are installed on the guide rod mounting plate, the movable guide rod is installed on the movable support seat, a driving screw rod axially arranged along the moving direction of the guide rod is threadedly connected on the guide rod driving seat, the driving screw rod is connected to the guide rod drive and rotated by the guide rod drive, and the guide rod drive is a driving motor or a manual crank. The movable guide rod can be automatically moved by the movable guide rod driving mechanism, so that the transmission mechanism can have a suitable width to correspond to the transmission of trays of different sizes, so that the entire transmission mechanism has good adaptability.

[0009] Preferably, a material tray conveying mechanism is provided between the fixed guide rod and the movable guide rod, the material tray conveying mechanism includes a conveying motor and a fixed support seat supported under the fixed guide rod. An active conveying wheel is installed on the fixed support seat and the movable support seat through bearings. A transmission shaft that cooperates with the fixed support seat and the active conveying wheel on the movable support seat is installed on the motor shaft of the conveying motor. The active conveying wheel cooperates with the transmission shaft and constitutes a rotation limit. The active conveying wheel on the movable support seat can slide axially relative to the transmission shaft. A belt groove is provided on the outer side wall of the active conveying wheel, and driven conveying wheels are arranged at intervals along the length direction on the opposite sides of the fixed guide rod and the movable guide rod. The active conveying wheel and the driven conveying wheel on the fixed guide rod and the movable guide rod are respectively connected by a conveying belt, and the two ends of the material tray can be overlapped on the conveying belts on the fixed guide rod and the movable guide rod respectively.

[0010] Preferably, the tray stacking station, the empty tray stacking station and the unloading station all include a tray lifting mechanism and a tray supporting mechanism, the tray lifting mechanism includes a cylinder mounting seat, a lifting cylinder with a piston rod vertically upward and a side shifting cylinder with a piston rod horizontally and along the moving direction of the moving guide rod are mounted on the cylinder mounting seat, a horizontally arranged top plate is mounted on the end of the piston rod of the lifting cylinder, a lifting slide rail arranged in the length direction along the moving direction of the moving guide rod is mounted on the upper surface of the top plate, the piston rod end of the side shifting cylinder is connected to a lifting plate horizontally arranged above the top plate through a side shifting plate, and a lifting slider capable of sliding on the lifting slide rail is provided on the lower surface of the lifting plate;

[0011] The tray lifting mechanism includes two lifting cylinders which are respectively installed on the upper end surfaces of the fixed guide rod and the movable guide rod and whose piston rods are horizontally arranged opposite to each other. The ends of the piston rods of the two lifting cylinders are provided with lifting plates. The lifting plate can move up and down between the two lifting plates. The opposite ends of the two lifting plates are constructed as conical ends with the lower bottom surfaces inclined upward.

[0012] The cooperation of the tray lifting mechanism and the tray supporting mechanism can automatically place the tray on the conveyor belt and automatically stack the trays after inspection.

[0013] Preferably, the tray stacking station, the empty tray stacking station and the unloading station all include a tray guiding mechanism, which includes two fixed guide bars vertically arranged on the upper end surfaces of the fixed guide rod and the movable guide rod, respectively, and movable guide bars arranged relative to the fixed guide bars are arranged on the upper end surfaces of the fixed guide rod and the movable guide rod, and the movable guide bars can move toward or away from the corresponding fixed guide bars, and the fixed guide rod and the movable guide rod are both provided with limit members for limiting the movable guide bars, and the fixed guide bars and the movable guide bars are both in the shape of long strips with L-shaped cross-sections, and the two fixed guide bars and the two movable guide bars on the fixed guide rod and the movable guide rod are jointly constructed into a tray stacking part with a rectangular frame structure. The arrangement of the tray guiding mechanism can enable the stacked trays to maintain the stacking stability and prevent collapse, and ensure that the upper and lower trays can be aligned, providing further prerequisites for the subsequent stable transmission or stacking of trays one by one.

[0014] Preferably, the tray stacking station, loading station, empty tray stacking station, receiving station and unloading station all include a tray stopping mechanism, which includes a stopping cylinder arranged on a fixed guide rod and / or a movable guide rod or arranged between the fixed guide rod and the movable guide rod, the stopping cylinder is arranged at the end of the tray movement direction at the corresponding station, the piston rod end of the stopping cylinder is provided with a stopping plate capable of blocking the tray movement, and the tray stopping mechanism at the loading station can move along the tray movement direction. The arrangement of the tray stopping mechanism enables the tray to be accurately positioned at the desired station, so as to ensure the stable operation of the transmission mechanism stations such as detection, material discharge, material collection, stacking, etc.

[0015] As a preferred embodiment, a non-conforming discharge line is also included at the unloading assembly line, and the non-conforming discharge line includes a discharge conveyor belt and a discharge motor for driving the discharge conveyor belt to move. The non-conforming discharge line can realize the centralized storage of non-conforming workpieces to facilitate the stable detection work.

[0016] Preferably, the loading manipulator includes a manipulator support arranged above the loading station, the manipulator support is provided with a loading suction cup for sucking the workpiece, and the loading suction cup can move linearly along three degrees of freedom on the manipulator support, and the unloading manipulator includes a manipulator base arranged at the material receiving station, the manipulator base is provided with a swing arm manipulator, and the swing arm manipulator is provided with a unloading suction cup for sucking the workpiece and can move in the vertical direction. Both the loading manipulator and the unloading manipulator can realize the suction and placement of the workpiece through multi-dimensional movement, ensuring the stable operation of the transmission mechanism.

[0017] A fingerprint module detection system comprises the aforementioned fingerprint module transmission mechanism.

[0018] The present invention has significant technical effects due to the adoption of the above technical solution:

[0019] The present invention realizes the independent work of loading and unloading by two assembly lines, and can realize the stacking and placement of material trays, automatic unloading and automatic stacking, which can effectively improve the work efficiency in the transmission process. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the structure of embodiment 1 of the present invention.

[0021] Figure 2 yes Figure 1 Schematic diagram of the structure of the fingerprint module flipping and transporting mechanism.

[0022] Figure 3 yes Figure 2 Schematic diagram of the structure of the flip mechanism.

[0023] Figure 4 yes Figure 3 Another perspective structural diagram of .

[0024] Figure 5 yes Figure 2 Schematic diagram of the structure of the transport mechanism.

[0025] Figure 6 yes Figure 5 Schematic diagram of the structure of the middle nozzle mounting base.

[0026] Figure 7 yes Figure 1 Schematic diagram of the structure of the fingerprint module transmission mechanism.

[0027] Figure 8 yes Figure 7 Schematic diagram of the structure of the loading and unloading production line.

[0028] Fig. 9 yes Figure 7 Schematic diagram of the structure of the middle and lower material production line.

[0029] Fig.10 yes Figure 7 Schematic diagram of the structure of the loading robot.

[0030] Fig.11 yes Figure 7 Schematic diagram of the structure of the loading and unloading robot.

[0031] Fig.12 yes Figure 7 Schematic diagram of the structure of the unqualified discharge line.

[0032] Fig.13 yes Figure 7 Schematic diagram of the structure of the middle material tray lifting mechanism.

[0033] Fig.14 yes Figure 7 Schematic diagram of the partial structure of the middle tray lifting mechanism and the tray guiding mechanism.

[0034] Fig.15 yes Figure 1 Schematic diagram of the structure of the workpiece back side detection mechanism.

[0035] Fig.16 of Figure 1 Schematic diagram of the structure of the workpiece front detection mechanism.

[0036] Fig.17 yes Figure 1 Schematic diagram of the camera module structure.

[0037] Fig.18 yes Figure 1 Structural schematic diagram of the second back side inspection station or the third front side inspection station.

[0038] Fig.19 yes Fig.18 Another perspective structural diagram of .

[0039] Fig. 20 yes Figure 1 Structural schematic diagram of the first back side inspection station, the third back side inspection station, the first front side inspection station, the second front side inspection station, the fourth front side inspection station or the fifth front side inspection station.

[0040] Fig.21 yes Figure 1 Schematic diagram of the structure of the fourth reverse side inspection station. DETAILED DESCRIPTION

[0041] The present invention is further described in detail below in conjunction with the accompanying drawings and embodiments.

[0042] Example 1

[0043] A fingerprint module detection system, such as Figure 1As shown, it includes a fingerprint module detection mechanism, the fingerprint module detection mechanism includes a detection installation plate 301, and a fingerprint module conveying mechanism and a fingerprint module flipping and transporting mechanism are also installed on the detection installation plate 301, wherein a camera module 302, a workpiece back side detection mechanism 303 and a workpiece front side detection mechanism 304 are sequentially arranged on the detection installation plate 301 along the workpiece detection direction, the fingerprint module conveying mechanism includes a loading line and a unloading line for conveying a material tray, a fingerprint module flipping and transporting mechanism is arranged between the workpiece back side detection mechanism 303 and the workpiece front side detection mechanism 304 and between the workpiece front side detection mechanism 304 and the unloading line of the fingerprint module conveying mechanism, and the camera module 302 is arranged between the loading line and the workpiece back side detection mechanism 303.

[0044] During the whole inspection process, the materials are initially placed in the tray, and the tray with the workpieces is stacked at the tray stacking station on the loading assembly line, and then transported to the loading station under the action of the conveyor belt. After the tray at the loading station is stopped, the workpiece is clamped by the loading robot and first goes to the camera module 302 to read the QR code on the workpiece for decoding, and then the workpiece is transported from the tray to the reverse rotating disk 307, and passes through multiple reverse inspection stations on the reverse rotating disk 307 for reverse appearance inspection and three-dimensional contour inspection. After completion, the workpiece is turned over by the fingerprint module flipping and conveying mechanism and then transported to the front rotating disk 312, and then passes through multiple front inspection stations on the front rotating disk 312 for front appearance inspection. After the inspection is completed, the workpiece is transported to the flipping mechanism for flipping by the action of another flipping and conveying mechanism, and then transported to the receiving station on the unloading assembly line by the action of the unloading robot, and neatly placed in the material tray to complete the inspection, and the material tray with the workpieces placed is transported to the unloading station for stacking by the action of the conveyor belt.

[0045] like Figure 2-6 As shown, the fingerprint module flipping and transporting mechanism in this embodiment includes a flipping and transporting base 101, on which a flipping mechanism 102 and a transporting mechanism 103 are provided, the flipping mechanism 102 includes two flipping plates 104 which can be flipped from a horizontal state to a vertical state relative to each other and can be flipped from a vertical state to a horizontal state in opposite directions, the flipping plates 104 are provided with a flipping fixture 105 which can adsorb the workpiece, and when the two flipping plates 104 are in a vertical flipping state, the two flipping fixtures 105 can adsorb the front and back sides of the workpiece respectively; the transporting mechanism 103 includes a suction nozzle 106 for transporting the workpiece on the previous station to the flipping fixture 105 and transporting the flipped workpiece on the flipping fixture 105 to the next station.

[0046] In this embodiment, two flip plates 104 are flipped relative to each other, so that the flip jig 105 on the flip plate 104 can just adsorb the front and back sides of the workpiece. By controlling the gas entering the flip jig 105, the adsorption can be controlled, so that when the flip jig 105 is in a vertical state, the flip jig 105 adsorbing the front side of the workpiece is disconnected, and the back side of the workpiece is adsorbed onto another flip jig 105, and then the flip jig 105 returns to the original horizontal state, that is, the flipping of the workpiece is achieved. For subsequent workpieces, only the flip mechanism 102 needs to repeat the action. This method has continuous action and high flipping efficiency. In addition, in this embodiment, the flip jig 105 is fixed to the flip plate 104 by bolts or screws. When different types of workpieces need to be flipped, only the flip jig 105 needs to be replaced, so that the entire flip mechanism 102 has greater adaptability.

[0047] In this embodiment, the flipping and transporting base 101 includes a flipping and transporting base plate 107 and two flipping mechanism mounting plates 108 vertically arranged on the flipping and transporting base plate 107 and parallel to each other. A flipping active shaft 109 and a flipping driven shaft 110 arranged parallel to each other are arranged between the two flipping mechanism mounting plates 108. The two flip plates 104 are respectively arranged on the flipping active shaft 109 and the flipping driven shaft 110. A flipping motor 112 is provided on the flipping mechanism mounting plate 108 to drive the flipping active shaft 109 to rotate through a flipping belt 111. A flipping active wheel 113 is provided at the end of the flipping active shaft 109 away from the flipping motor 112, and a flipping driven wheel 114 meshing with the flipping active wheel 113 is provided at the end of the flipping driven shaft 110. In addition, a tension spring pin 115 is provided on the flip driving wheel 113 and the flip driven wheel 114, two tension spring mounting rods 116 are provided on the flip mechanism mounting plate 108, and a reset tension spring 117 is provided between the two tension spring mounting rods 116 and the two tension spring pins 115 for realizing the rotational reset of the flip driving shaft 109 and the flip driven shaft 110.

[0048] When in use, after the flip motor 112 is started, it drives the flip driving shaft 109 to rotate through the flip belt 111, and under the transmission action of the flip driving wheel 113 and the flip driven wheel 114, the flip driven shaft 110 rotates, and then the two flip plates 104 rotate synchronously. After the flip plates 104 rotate synchronously, they can drive the flip fixture 105 to flip synchronously, so that it can adsorb the front and back sides of the workpiece and complete the subsequent workpiece flipping.

[0049] In this embodiment, a reset tension spring 117 (not connected in the figure) is connected to the flip driving wheel 113 and the flip driven wheel 114, so that after the flip driving wheel 113 and the flip driven wheel 114 are flipped to a vertical state, there is no need to control the flip motor 112 to flip. It only needs to reasonably control the start and stop of the flip motor 112 to reverse the flip driving shaft 109 and the flip driven shaft 110 under the action of the reset tension spring 117, so that the two flip plates 104 drive the flip fixture 105 to reset to a horizontal state.

[0050] In addition, an I-shaped calibration plate 118 is horizontally arranged between the two flip mechanism mounting plates 108, and grooves 119 are formed on both sides of the two flip plates 104. The ends of the two flip plates 104 facing the I-shaped calibration plate 118 are provided with protrusions 120 that cooperate with the grooves 119 on both sides of the I-shaped calibration plate 118. The provision of the I-shaped calibration plate 118 can ensure that the flip plate 104 is still in the original position after flipping and resetting, and avoid the inability to continue to operate the subsequent workpiece due to position deviation after flipping and resetting. A flip limit block 121 is installed on the bottom surface of the flip plate 104, and a flip limit groove 122 is provided on the side of the flip limit block 121. When the flip plate 104 is in a horizontal state, the flip limit groove 122 can be engaged with the side of the flip mechanism mounting plate 108. The provision of the flip limit block 121 can prevent the flip plate 104 from continuing to flip under the action of inertia when it is reset to a horizontal state, and ensure the stability of the flip plate 104 in a horizontal state.

[0051] In this embodiment, the conveying mechanism 103 includes two nozzle mounting plates 123 respectively cooperating with the two flip jigs 105, and the nozzle 106 is installed on the nozzle mounting plate 123. It also includes a conveying mechanism mounting plate 124 vertically installed on the flip conveying base plate 107, and a conveying motor mounting plate 125 is installed on the conveying mechanism mounting plate 124. A conveying motor 126 is installed on the conveying motor mounting plate 125. The conveying motor 126 drives the nozzle mounting plate 123 to convey the workpiece through a connecting rod mechanism 127 installed on the conveying motor mounting plate 125.

[0052] Among them, the transport motor mounting plate 125 is provided with a transport driving wheel 129 and a transport driven wheel 130 driven by a transport belt 128, the transport driving wheel 129 is coaxially connected with the driving shaft of the transport motor 126, the connecting rod mechanism 127 includes two short connecting rods 131 respectively connected to the transport driving wheel 129 and the transport 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 installed at the two ends of the long connecting rod 132 through a suction nozzle mounting seat 133.

[0053] The nozzle mounting seat 133 includes a U-shaped slide seat 134, in which a vertically arranged mounting seat slide rail 135 is provided, and a mounting seat slide rail 135 is slidably connected to a mounting seat slider 136, and an L-shaped fixing plate 137 is installed on the mounting seat slider 136, and the vertical wall of the L-shaped fixing plate 137 is installed on the mounting seat slider 136, and the nozzle mounting plate 123 is installed on the lower surface of the horizontal wall of the L-shaped fixing plate 137, and a vertically arranged shock-absorbing spring 138 is also provided between the vertical wall of the L-shaped fixing plate 137 and the U-shaped slide seat 134.

[0054] During the operation, the transport motor 126 drives the transport active wheel 129 to rotate through the coupling, and the transport active wheel 129 drives the transport driven wheel 130 to move synchronously through the transport belt 128, so that the two short connecting rods 131 can move synchronously and then drive the long connecting rod 132 to move, and the long connecting rod 132 drives the suction nozzle mounting plates 123 at both ends to move, so that one of the suction nozzle mounting plates 123 moves relative to the flipping fixture 105, and the other suction nozzle mounting plate 123 moves away from the other flipping fixture 105. During the whole process, it cooperates with the flipping mechanism 102 to realize the continuous action of the overall flipping and transporting process, and further improve the operation efficiency between adjacent workstations.

[0055] During the specific handling and flipping process, the suction nozzle mounting plate 123 close to the previous station first absorbs the workpiece on the previous station. At this time, the two flip jigs 105 in the flipping mechanism 102 are in a horizontal state. Then, the suction nozzle mounting plate 123 drives the workpiece to move to the flip jig 105 opposite to it under the action of the handling motor 126 and the connecting rod mechanism 127. The flip jig 105 absorbs the workpiece. At this time, the flip motor 112 is started to make the two flip jigs 105 flip relative to each other until the two flip jigs 105 absorb the front and back sides of the workpiece respectively. Then, the flip jig 105 is controlled to be on and off so that the workpiece is absorbed to the other flip jig 105. Then, under the action of the reset tension spring 117, the flip plate 104 is reset, so that the flip jig 105 is restored to a horizontal state. At this time, the workpiece on the flip jig 105 has been flipped. At the same time, the transport motor 126 drives the suction nozzle mounting plate 123 to return to its original position. When the flipping fixture 105 is flipped to a horizontal state, the other suction nozzle mounting plate 123 can just correspond to the flipping fixture 105 with the workpiece adsorbed, and then the suction nozzle mounting plate 123 adsorbs the flipped fixture, and the transport motor 126 is used again to move the suction nozzle mounting plate 123 with the workpiece adsorbed to the next station. At the same time, during this process, the previous suction nozzle mounting plate 123 will transport the workpiece of the previous station to the front flipping fixture 105 again, so as to complete the continuous flipping and transporting of the workpiece in a cycle. The whole process requires strict control of the operating time of the transport mechanism 103 and the flipping mechanism 102 through control elements such as photoelectric sensors to ensure that there is no interference between the actions, ensure the continuity of the actions, effectively improve the flipping rhythm, and then improve work efficiency.

[0056] like Figure 7-Figure 14 As shown, the fingerprint module conveying mechanism in this embodiment includes a loading assembly line 201 and a unloading assembly line 202 for conveying material trays. The loading assembly line 201 and the unloading assembly line 202 both include a horizontally arranged fixed guide rod 203 and a movable guide rod 204 which is parallel to the fixed guide rod 203 and can move toward or away from the fixed guide rod 203. A material tray stacking station 205 and a loading station 206 are sequentially arranged between the fixed guide rod 203 and the movable guide rod 204 on the loading assembly line 201 along the feeding direction. An empty tray stacking station 207, a material receiving station 208 and a unloading station 209 are sequentially arranged between the fixed guide rod 203 and the movable guide rod 204 on the unloading assembly line 202 along the discharging direction.

[0057] In this embodiment, two assembly lines are set in the conveying mechanism to realize separate loading and unloading work. There is no need to wait until the previous material tray is inspected and reloaded into the material tray before placing the next material tray for inspection. Instead, the next material tray can receive the material while the previous material tray is being inspected, which can effectively improve the overall work efficiency.

[0058] In addition, a material tray stacking station 205 is set on the loading assembly line 201, and an empty tray stacking station 207 is set on the unloading assembly line 202, so that when incoming material trays are placed, they do not need to be placed one by one, but can be stacked and unloaded automatically. At the same time, when unloading, there is no need to place the receiving trays one by one at the receiving station 208, but empty trays can be stacked and automatically supplied to the receiving station 208, which can further improve the working efficiency of the overall conveying mechanism.

[0059] It also includes a loading manipulator 210 and a unloading manipulator 211. The loading manipulator 210 is arranged corresponding to the loading line 201 and is used to transport the workpieces in the material tray at the loading station 206 to the inspection station for inspection. The unloading manipulator 211 is arranged corresponding to the unloading line 202 and is used to transport the workpieces after inspection at the inspection station to the material tray of the receiving station 208. The two manipulators are used to realize the separate loading and unloading of the workpieces, and the loading and unloading are realized separately and simultaneously. The loading robot 210 includes a robot bracket 246 arranged above the loading station 206, and the robot bracket 246 is provided with a loading suction cup 247 for sucking the workpiece, and the loading suction cup 247 can move linearly along three degrees of freedom on the robot bracket 246, that is, the loading suction cup 247 can move in the length, width and height directions of the conveying mechanism, and it can be driven by a screw rod or by other means. The unloading robot 211 includes a robot base 248 arranged at the material receiving station 208, and the robot base 248 is provided with a swing arm robot 249, and the swing arm robot 249 is provided with a unloading suction cup 250 for sucking the workpiece and capable of moving in the vertical direction.

[0060] In this embodiment, the loading assembly line 201 and the unloading assembly line 202 both include a movable guide rod driving mechanism, which includes a guide rod drive 212 and a guide rod slide rail 213 arranged along the movement direction of the movable guide rod 204 in the length direction. The guide rod slide rail 213 is provided with a guide rod slider 214 that can slide along the guide rod slide rail 213. A guide rod mounting plate 215 is fixed to the guide rod slider 214. A movable support seat 216 and a guide rod driving seat 217 are installed on the guide rod mounting plate 215. The movable guide rod 204 is installed on the movable support seat 216. The guide rod driving seat 217 is threadedly connected with a driving screw rod 218 axially arranged along the movement direction of the guide rod. The driving screw rod 218 is connected to the guide rod drive 212 and rotated by the guide rod drive 212. The guide rod drive 212 is a driving motor or a manual crank. During operation, in order to adapt to material trays of different widths, it is necessary to adjust the position of the movable guide rod 204 relative to the fixed guide rod 203. During adjustment, it is only necessary to realize the rotation of the driving screw 218 through a hand-cranked wheel or a driving motor. Under the rotation of the driving screw 218, the guide rod driving seat 217 can be realized along the axial movement of the driving screw 218, and the entire guide rod mounting plate 215 can be driven to move relative to the fixed guide rod 203. In order to ensure the stability of the overall mechanism during operation, a driving seat for fixing the guide rod drive 212 is also provided. The guide rod drive 212 can be fixed on the detection mounting plate in the form of bolts or screws. The detection mounting plate is provided with a plurality of bolt holes or screw holes for fixing the driving seat, so that the guide rod drive 212 is fixed during operation. During the adjustment process, the guide rod drive 212 is first released, and it is fixed after it moves to the desired position on the detection mounting plate, thereby effectively ensuring the working stability of the overall mechanism.

[0061] In this embodiment, a material tray conveying mechanism is provided between the fixed guide rod 203 and the movable guide rod 204. The material tray conveying mechanism includes a conveying motor 220, and also includes a fixed support seat 221 supported below the fixed guide rod 203. Active conveying wheels 222 are installed on the fixed support seat 221 and the movable support seat 216 through bearings. A transmission shaft 223 that cooperates with the active conveying wheels 222 on the fixed support seat 221 and the movable support seat 216 is installed on the motor shaft of the conveying motor 220. The active conveying wheel 222 cooperates with the transmission shaft 223 and constitutes a rotation limit, wherein the transmission shaft 223 is a hexagonal transmission shaft 223 with a hexagonal outer cross-section, and the active The transmission wheel is a hexagonal transmission wheel with a hexagonal hole in the middle. A rotation limit is formed between the hexagonal transmission wheel and the hexagonal transmission shaft 223. The hexagonal transmission wheel slides axially relative to the hexagonal connecting shaft. In order to ensure the stability of the working state, a limiting screw hole is provided on the side wall of the active transmission wheel. When the transmission shaft 223 moves to extend the required length of the active transmission wheel, the transmission shaft 223 is tightened by the limiting screw arranged in the limiting screw hole. At this time, the transmission shaft 223 can be axially limited in the active transmission wheel. When adjustment is required, it only needs to release the limit to allow the active transmission wheel 222 on the movable support seat 216 to slide axially relative to the transmission shaft 223.

[0062] In addition, a belt groove 224 is provided on the outer side wall of the active transmission wheel 222, and a driven transmission wheel 225 is provided on the opposite side of the fixed guide rod 203 and the movable guide rod 204 at intervals along the length direction. The active transmission wheel 222 and the driven transmission wheel 225 on the fixed guide rod 203 and the movable guide rod 204 are respectively connected by a transmission belt, and the two ends of the material tray can be respectively overlapped on the transmission belts on the fixed guide rod 203 and the movable guide rod 204. Similarly, in order to ensure the working stability, a transmission motor fixing seat is also provided, which is fixed on the detection installation plate by a detachable manner such as bolts or screws, and is released from the detection installation plate when necessary, and is fixed after adjustment. During the working process, the transmission motor drives the active transmission wheels on the movable guide rod 204 and the fixed guide rod 203 to rotate through the transmission shaft 223, and the active transmission wheel drives the driven transmission wheel 225 to rotate through the transmission belt, thereby realizing the operation of the transmission belt. The material tray is placed on the transmission belt and can follow the transmission belt to run to the required station.

[0063] In the present embodiment, the tray stacking station 205, the empty tray stacking station 207 and the unloading station 209 all include a tray lifting mechanism and a tray supporting mechanism. The tray lifting mechanism includes a cylinder mounting seat 226, on which are mounted a lifting cylinder 227 with a piston rod vertically upward and a side-shifting cylinder 228 with a piston rod horizontally arranged along the moving direction of the moving guide rod 204. A horizontally arranged top plate 229 is mounted on the end of the piston rod of the lifting cylinder 227, and a lifting slide rail 230 arranged in the length direction along the moving direction of the moving guide rod 204 is mounted on the upper surface of the top plate 229. The end of the piston rod is connected to a lifting plate 232 horizontally arranged above the top plate 229 through a side shift plate 231, and a lifting slider 233 capable of sliding on the lifting slide rail 230 is provided on the lower surface of the lifting plate 232; the tray lifting mechanism includes two lifting cylinders 234 respectively installed on the upper end surfaces of the fixed guide rod 203 and the movable guide rod 204 and with the piston rods horizontally arranged opposite to each other, and the piston rod ends of the two lifting cylinders 234 are both provided with lifting plates 235, and the lifting plate 232 can move up and down between the two lifting plates 235, and the opposite ends of the two lifting plates 235 are both constructed as conical ends 236 with the lower bottom surfaces inclined upward. The tray lifting mechanism can realize the vertical and horizontal movement of the lifting plate 232, so that the trays on it can better cooperate with the tray lifting mechanism, and automatically place the trays on the conveyor belt at the tray stacking station 205 and the empty tray stacking station 207, and automatically stack the trays after inspection at the unloading station 209.

[0064] During the working process, at the tray stacking station 205 and the empty tray stacking station 207, the stacked conveying materials are placed on the lifting plate 232, and the lifting plate 232 is initially located above the lifting plate 235, and then the trays thereon are driven down by the lifting cylinder 227 until the lowest tray moves to the position of the lifting plate 235, and the lifting cylinder 234 and the tapered end 236 at the end of the lifting plate 235 can separate the lowest tray from the upper conveying materials under the joint action of the lifting cylinder 234 and the tapered end 236 at the end of the lifting plate 235, so that the lifting plate 235 lifts the upper conveying materials, and at this time the lifting cylinder 227 The lifting plate 232 is driven to continue to move downward until the two ends of the lowest material tray are overlapped on the conveyor belts on both sides. At this time, the material tray can be transported to the next workstation under the action of the conveyor belt to pick up or receive materials. After the material tray is transported away, the lifting cylinder 227 drives the lifting plate 232 to move upward, and all the upper material trays are moved downward again. In this way, the material trays are placed on the conveyor belt one by one. For the material tray lifting mechanism and the material tray lifting mechanism at the material receiving station 208, the lifting cylinder 227 is controlled in reverse so that it cooperates with the lifting plate 235 to realize the stacking of the material trays one by one after the inspection is completed.

[0065] In addition, in the present embodiment, the tray stacking station 205, the empty tray stacking station 207 and the unloading station 209 all include a tray guiding mechanism, which includes two fixed guide bars 237 vertically arranged on the upper end surfaces of the fixed guide rod 203 and the movable guide rod 204, respectively. The upper end surfaces of the fixed guide rod 203 and the movable guide rod 204 are provided with movable guide bars 238 arranged relative to the fixed guide bars 237, and the movable guide bars 238 can move toward or away from the corresponding fixed guide bars 237, and the fixed guide rods 203 and the movable guide rods 204 are provided with limiting members 239 for limiting the movable guide bars 238. The fixed guide bars 237 and the movable guide bars 238 are both in the shape of long strips with an L-shaped cross-section, and the two fixed guide bars 237 and the two movable guide bars 238 on the fixed guide rods 203 and the movable guide rods 204 together constitute a tray stacking part with a rectangular frame structure.

[0066] The limiting member 239 for limiting the position of the movable guide bar 238 includes a limiting slide rail 240 fixed on the fixed guide rod 203 and the movable guide rod 204. The bottom of the movable guide bar 238 is slidably connected to the limiting slide rail 240 and fixed by bolts or screws. The limiting slide rail 240 is provided with a plurality of limiting holes along the length direction so that the movable guide bar 238 can be fixed through different limiting holes to achieve adjustment of different positions of the movable guide bar 238. The arrangement of the tray stacking part capable of adjusting the length can achieve the stacking stability of trays of different sizes when stacking, and prevent the stacked trays from collapsing.

[0067] In the present embodiment, the tray stacking station 205, the loading station 206, the empty tray stacking station 207, the material receiving station 208 and the unloading station 209 all include a tray stopping mechanism, which includes a stopping cylinder 241 arranged on the fixed guide rod 203 and / or the movable guide rod 204 or between the fixed guide rod 203 and the movable guide rod 204, the stopping cylinder 241 is arranged at the end of the tray movement direction at the corresponding station, and the piston rod end of the stopping cylinder 241 is provided with a stopping plate 242 that can block the movement of the tray, and the tray stopping mechanism at the loading station 206 can move along the tray movement direction.

[0068] The setting of the stop cylinder 241 and the stop plate 242 can stop the material tray from continuing to run when it is transferred to the corresponding station, so that it can be accurately positioned at the corresponding station to complete the material picking or receiving actions of the station. The material tray stop mechanism at the loading station 206 can move along the material tray movement direction, so that the actual working point of the loading station 206 can be accurately positioned to ensure that the manipulator can accurately grab the workpiece. During installation, the stop cylinder 241 at the loading station 206 is installed on a sliding seat, and a slide rail is set along the material tray movement direction on the detection installation plate, so that the stop cylinder 241 moves along the slide rail under the action of the motor, the screw rod, etc., so that the material tray stop mechanism can move along the material tray movement direction.

[0069] The present embodiment also includes an unqualified discharge line 243 disposed at the unloading assembly line 202. The unqualified discharge line 243 includes a discharge conveyor belt 244 and a discharge motor 245 for driving the discharge conveyor belt 244 to move. The discharge motor 245 drives the discharge conveyor belt 244 to move. The unloading robot 211 places the unqualified workpiece on the discharge conveyor belt 244 so that it is conveyed to a designated position.

[0070] like Figure 15-Figure 21 As shown, the fingerprint module detection mechanism in this embodiment includes a detection mounting plate 301, on which a camera module 302, a workpiece back detection mechanism 303 and a workpiece front detection mechanism 304 are sequentially arranged along the workpiece detection direction.

[0071] The camera module 302 includes two loading and decoding cameras 305 installed on the detection mounting plate 301 and a first annular light source 306 arranged above the loading and decoding cameras 305; the workpiece reverse side detection mechanism 303 includes a reverse rotating disk 307 on the upper surface of which the workpiece is placed and drives the workpiece to rotate in sequence, and at least three reverse side detection stations are arranged at the outer edge of the reverse rotating disk 307, one of which is equipped with a laser 308 for scanning the three-dimensional contour of the workpiece, and the other reverse side detection stations are all provided with a reverse side detection camera 309 for detecting the reverse side of the workpiece rotated to the corresponding detection station on the reverse rotating disk 307 and a coaxial light source 310 coaxially arranged below the corresponding reverse side detection camera 309, and at least one reverse side detection station is also provided with a a second annular light source 314; at least one back-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 includes a front rotating disk 312 on the upper surface for placing the workpiece and driving the workpiece to rotate in sequence, and at least four front detection stations are sequentially arranged around the rotation direction at the outer edge of the front rotating disk 312, and all front detection stations are provided with a front detection camera 313 for detecting the front of the workpiece rotated to the corresponding detection station on the front rotating disk 312 and a coaxial light source 310 coaxially arranged below the front detection camera 313, at least two of the front detection stations are also provided with a second annular light source 314 coaxially arranged below the coaxial light source 310, and at least one front detection station is also provided with a side detection camera 311 for detecting the side of the workpiece.

[0072] Specifically, the workpiece reverse side detection mechanism 303 in this embodiment 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 rotation direction of the reverse side rotating disk 307. 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 the workpiece rotated to the corresponding position on the reverse side rotating disk 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 and located below the coaxial light source 310. The second reverse side detection station 316 is provided with a side detection camera 311 for detecting the side surface of the workpiece; the fourth reverse side detection station 318 is equipped with a laser 308 for scanning the three-dimensional contour of the workpiece;

[0073] The workpiece front detection mechanism 304 includes 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 arranged in sequence around the rotation direction of the front rotating disk 312. The second front detection station 320 and the fourth front detection station 322 are both 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. The third front detection station 321 is equipped with a side detection camera 311 for detecting the side of the workpiece; the fifth front detection station 323 is provided with a second annular light source 314 coaxially arranged below the corresponding front detection camera 313.

[0074] In this embodiment, the front and back sides of the workpiece are inspected through multiple stations, and the front station is also equipped with a laser 308 for 3D contour detection, which can cover the entire product scanning surface, and can fully detect the front and back sides of the workpiece. In addition, both the front and back detections are carried out in a circular arrangement, which can reduce the temporary space of the equipment as much as possible while achieving efficient detection.

[0075] The second front inspection station 320 and the fourth front inspection station 322 both use a lighting method with a coaxial light source 310 on top and a second annular light source 314 on the bottom. The coaxial light source 310 highlights the front of the workpiece, and the second annular light source 314 strengthens the positive edge and depression to obtain a clear image of depression features such as compression marks. This lighting method can have a very good detection effect on the inspection of the depression features of the fingerprint module.

[0076] In addition, in the present embodiment, the first reverse side inspection station 315, the third reverse side inspection station 317, the first front side inspection station 319, the second front side inspection station 320, the fourth front side inspection station 322 and the fifth front side inspection station 323 all include a first camera mounting bracket 324, the first camera mounting bracket 324 includes a first camera support plate 325, and an upwardly extending first camera support column 326 is provided on the upper surface of the first camera support plate 325, the reverse side inspection camera 309 or the front side inspection camera 313 is installed on the upper end portion of the first camera support column 326, and the first camera mounting bracket 324 also includes a first driving module 327 for driving the first camera support plate 325 to move in the horizontal plane along the length and width directions of the first camera support plate 325.

[0077] The second back-side inspection station 316 and the third front-side inspection station 321 both include a second camera mounting frame 328, and the second camera mounting frame 328 includes two second support columns 329 fixed on the inspection mounting plate 301, and a second camera support plate 330 is installed on the top of the two second support columns 329, and a front camera mounting frame 331 and a side camera mounting frame 332 are respectively installed on the upper and lower end surfaces of the second camera support plate 330, and the front camera mounting frame 331 and the side camera mounting frame 332 are respectively provided with a longitudinal camera mounting plate 333 and a transverse camera mounting plate 334 which are respectively arranged vertically and horizontally in the length direction, and the front inspection camera 313 and the side inspection camera 311 are respectively installed on the longitudinal camera mounting plate 333 and the transverse camera mounting plate 334, and a second driving module 335 is provided on the upper and lower end surfaces of the second camera support plate 330, and the second driving module 335 is used to drive the longitudinal camera mounting plate 333 or the transverse camera mounting plate 334 to move along its own length and width direction in the horizontal plane. The first driving module 327 and the second driving module 335 can both adopt conventional xy electric linear modules, and can adjust the position of the detection camera on the detection station according to different types of workpieces, so as to achieve rapid production conversion when targeting different workpieces.

[0078] In this embodiment, the first camera support column 326, the longitudinal camera mounting plate 333 and the transverse camera mounting plate 334 are all provided with a camera slide rail 336 arranged along their own length direction and a camera slide seat 337 sliding along the camera slide rail 336. The front detection camera 313, the back detection camera 309 and the side detection camera 311 are fixed on the corresponding camera slide seats 337. The first camera support column 326, the longitudinal camera mounting plate 333 and the transverse camera mounting plate 334 are all provided with a plurality of camera limit holes 338 along the length direction of the camera slide rail 336. The camera slide seat 337 is adjusted in its position on the camera slide rail 336 by being fixed in different camera limit holes 338.

[0079] A detachable camera positioning plate 339 is installed on the camera slide 337. A camera positioning hole 340 coaxially arranged with the camera is provided in the middle of the camera positioning plate 339. A detachable camera positioning shaft 341 coaxially arranged with the camera is provided in the camera positioning hole 340. During the adjustment stage of the detection equipment, the camera positioning shaft 341 can be used to adjust whether the camera is aligned with the corresponding detection station. One end of the camera positioning shaft 341 is coaxially connected to the lens of the detection camera, and the other end extends to the detection station. Through the camera positioning shaft 341, it can be more intuitive to see whether the camera position is offset from the detection station. After the adjustment of the detection camera position is completed, the camera positioning plate 339 and the camera positioning shaft 341 are removed to avoid shooting interference during the detection of the detection camera. The camera positioning plate 339 and the camera positioning shaft 341 are both connected to the camera slide 337 by simple screws. It is very convenient to disassemble and assemble, and has almost no effect on the overall detection efficiency.

[0080] The first camera support column 326, the longitudinal camera mounting plate 333 and the transverse camera mounting plate 334 are all provided with a light source mounting seat 342, the light source mounting seat 342 includes a light source mounting plate 343 for mounting the corresponding light source, the light source mounting plate 343 is provided with a mounting plate slide 344 that can slide in cooperation with the camera slide rail 336, and the light source mounting plate 343 is provided with a mounting plate limit hole 345 that cooperates with the camera limit hole 338 for limiting.

[0081] By setting the camera slide 337, the height position of the detection camera and the height position of the light source can be adjusted, and then different focal length cameras can be selected according to needs to achieve the purpose of flexible detection.

[0082] In this embodiment, the fourth reverse-side detection station includes a laser mounting frame 346, which includes a laser support column 347 whose bottom is fixed on the detection mounting plate 301. The laser 308 is installed on the top of the laser support column 347 and can move toward or away from the center of the reverse rotating disk 307 in a horizontal plane.

[0083] A laser driving mechanism 348 is provided on the top of the laser supporting column 347. The laser driving mechanism 348 includes a laser motor mounting frame 349 fixed on the top of the laser supporting column 347. A laser driving motor 350 and a laser driving screw 351 connected to the motor shaft of the laser driving motor 350 are provided on the laser motor mounting frame 349. The axial direction of the laser driving screw 351 is radially arranged along the reverse rotating disk 307. The laser motor mounting frame 349 is also provided with a laser driving slide 352 which can move along the axial direction of the laser driving screw 351 under the rotation of the laser driving screw 351. The laser 308 is mounted on the laser driving slide 352.

[0084] In conclusion, the above is only a preferred embodiment of the present invention, and all equivalent changes and modifications made according to the scope of the patent application of the present invention should fall within the scope of the patent of the present invention.

Claims

1. A fingerprint module conveying mechanism, comprising a loading assembly line (201) and a unloading assembly line (202) for conveying a material tray, characterized in that: The loading assembly line (201) and the unloading assembly line (202) both comprise a horizontally arranged fixed guide rod (203) and a movable guide rod (204) which is parallel to the fixed guide rod (203) and can move toward or away from the fixed guide rod (203); a tray stacking station (205) and a loading station (206) are sequentially arranged between the fixed guide rod (203) and the movable guide rod (204) on the loading assembly line (201) along the feeding direction; and an empty tray stacking station (207), a material receiving station (208) and a unloading station (209) are sequentially arranged between the fixed guide rod (203) and the movable guide rod (204) along the discharging direction on the unloading assembly line (202); The loading assembly line (201) and the unloading assembly line (202) both include a movable guide rod driving mechanism, the movable guide rod driving mechanism includes a guide rod driving (212), and also includes a guide rod slide rail (213) arranged along the moving direction of the movable guide rod (204) in the length direction, the guide rod slide rail (213) is provided with a guide rod slider (214) capable of sliding along the guide rod slide rail (213), a guide rod mounting plate (215) is fixed on the guide rod slider (214), and the guide rod mounting plate (215) is fixed to the guide rod mounting plate (215). 5) A movable support seat (216) and a guide rod driving seat (217) are installed on the movable support seat (216), the movable guide rod (204) is installed on the movable support seat (216), and a driving screw rod (218) axially arranged along the moving direction of the movable guide rod (204) is threadedly connected on the guide rod driving seat (217), and the driving screw rod (218) is connected to the guide rod driving (212) and rotated by the guide rod driving (212), and the guide rod driving (212) is a driving motor or a manual crank; The tray stacking station (205), the empty tray stacking station (207) and the unloading station (209) all include a tray lifting mechanism and a tray supporting mechanism. The tray lifting mechanism includes a cylinder mounting seat (226). A lifting cylinder (227) with a piston rod vertically upward and a side-moving cylinder (228) with a piston rod horizontally arranged along the moving direction of the moving guide rod (204) are installed on the cylinder mounting seat (226). The piston rod end of the lifting cylinder (227) is arranged A horizontally arranged top plate (229) is provided, a lifting slide rail (230) is provided on the upper surface of the top plate (229) and is arranged along the moving direction of the moving guide rod (204) in the length direction, the piston rod end of the side shift cylinder (228) is connected to a lifting plate (232) horizontally arranged above the top plate (229) via a side shift plate (231), and a lifting slider (233) capable of sliding on the lifting slide rail (230) is provided on the lower surface of the lifting plate (232); The tray lifting mechanism comprises two lifting cylinders (234) respectively mounted on the upper end surfaces of the fixed guide rod (203) and the movable guide rod (204) and with piston rods arranged horizontally opposite to each other. The piston rod ends of the two lifting cylinders (234) are both provided with lifting plates (235). The lifting plate (232) can move up and down between the two lifting plates (235). The opposite ends of the two lifting plates (235) are both configured as tapered ends (236) with the lower bottom surfaces tilted upward. The tray stacking station (205), the empty tray stacking station (207) and the unloading station (209) all include a tray guiding mechanism, the tray guiding mechanism including two fixed guide bars (237) respectively vertically arranged on the upper end surfaces of the fixed guide rod (203) and the movable guide rod (204), and the upper end surfaces of the fixed guide rod (203) and the movable guide rod (204) are both provided with movable guide bars (238) arranged relative to the fixed guide bars (237), and the movable guide bars (238) can be moved toward or moves away from the corresponding fixed guide bar (237), and both the fixed guide bar (203) and the movable guide bar (204) are provided with a limiting member (239) for limiting the position of the movable guide bar (238), the fixed guide bar (237) and the movable guide bar (238) are both in the shape of a long strip with an L-shaped cross section, and the two fixed guide bars (237) and the two movable guide bars (238) on the fixed guide bar (203) and the movable guide bar (204) together form a tray stacking portion with a rectangular frame structure.

2. A fingerprint module transmission mechanism according to claim 1, characterized in that: It also includes a loading robot (210) and a unloading robot (211), wherein the loading robot (210) is arranged corresponding to the loading assembly line (201) and is used to transport the workpieces in the material tray at the loading station (206) to the inspection station for inspection, and the unloading robot (211) is arranged corresponding to the unloading assembly line (202) and is used to transport the workpieces inspected at the inspection station to the material tray of the receiving station (208).

3. A fingerprint module transmission mechanism according to claim 1, characterized in that: A material tray conveying mechanism is provided between the fixed guide rod (203) and the movable guide rod (204), the material tray conveying mechanism comprising a conveying motor (220), and also comprising a fixed support seat (221) supported below the fixed guide rod (203), an active conveying wheel (222) being mounted on the fixed support seat (221) and the movable support seat (216) via bearings, a transmission shaft (223) cooperating with the active conveying wheel (222) on the fixed support seat (221) and the movable support seat (216) being mounted on the motor shaft of the conveying motor (220), the active conveying wheel (222) cooperating with the transmission shaft (223) and forming a rotation limit The active transmission wheel (222) on the movable support seat (216) can slide axially relative to the transmission shaft (223); a belt groove (224) is provided on the outer side wall of the active transmission wheel (222); driven transmission wheels (225) are arranged at intervals along the length direction on the opposite sides of the fixed guide rod (203) and the movable guide rod (204); the active 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 the two ends of the material tray can be respectively overlapped on the transmission belts on the fixed guide rod (203) and the movable guide rod (204).

4. A fingerprint module transmission mechanism according to claim 1, characterized in that: The tray stacking station (205), the loading station (206), the empty tray stacking station (207), the material receiving station (208) and the unloading station (209) all include a tray stopping mechanism, the tray stopping mechanism including a stopping cylinder (241) arranged on the fixed guide rod (203) and / or the movable guide rod (204) or arranged between the fixed guide rod (203) and the movable guide rod (204), the stopping cylinder (241) being arranged at the end of the tray movement direction at the corresponding station, the piston rod end of the stopping cylinder (241) being provided with a stopping plate (242) capable of blocking the tray movement, and the tray stopping mechanism at the loading station (206) can move along the tray movement direction.

5. A fingerprint module transmission mechanism according to any one of claims 1 to 4, characterized in that: It also includes a non-conforming material discharging line (243) arranged at the unloading material assembly line (202), and the non-conforming material discharging line (243) includes a discharging conveyor belt (244) and a discharging motor (245) for driving the discharging conveyor belt (244) to move.

6. A fingerprint module transmission mechanism according to claim 2, characterized in that: The loading robot (210) comprises a robot support (246) arranged above the loading station (206), the robot support (246) is provided with a loading suction cup (247) for sucking the workpiece, and the loading suction cup (247) can move linearly along three degrees of freedom on the robot support (246), and the unloading robot (211) comprises a robot base (248) arranged at the material receiving station (208), the robot base (248) is provided with a swing arm robot (249), and the swing arm robot (249) is provided with a unloading suction cup (250) for sucking the workpiece and capable of moving in a vertical direction.

7. A fingerprint module detection system, characterized in that: It includes a fingerprint module transmission mechanism as described in any one of claims 1-6.

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