CN108008229B - Fingerprint module identification code scanning device and scanning method - Google Patents
Fingerprint module identification code scanning device and scanning method Download PDFInfo
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- CN108008229B CN108008229B CN201711072447.XA CN201711072447A CN108008229B CN 108008229 B CN108008229 B CN 108008229B CN 201711072447 A CN201711072447 A CN 201711072447A CN 108008229 B CN108008229 B CN 108008229B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/01—Subjecting similar articles in turn to test, e.g. "go/no-go" tests in mass production; Testing objects at points as they pass through a testing station
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Abstract
The invention aims to provide fingerprint module identification code scanning devices and scanning methods, wherein each fingerprint module identification code scanning device comprises a bottom plate, two conveying belts, a material tray positioning device and a scanning manipulator provided with a code scanning device and positioned above the material tray positioning device, wherein each material tray positioning device comprises a fixed baffle edge, a side jacking mechanism, an entering positioning and pressing mechanism, a lifting end baffle mechanism, an entering detection sensor and a positioning detection sensor, wherein the fixed baffle edge is arranged on the outer side of conveying belts and is provided with a side accommodating groove matched with the side end of the material tray, the side jacking mechanism is arranged on the outer side of the other conveying belts and is provided with a supporting plate positioned on the lower side of the material tray and at least side jacking blocks, an entering positioning and pressing mechanism and a lifting end baffle mechanism provided with an end baffle strip are arranged between the fixed baffle edge and the side jacking mechanism, and the rear end of the end baffle strip is provided with an end accommodating groove matched with the side end of the material.
Description
Technical Field
The invention relates to the field of fingerprint module testing, in particular to an fingerprint module identification code scanning device and a scanning method.
Background
The invention discloses a fingerprint module testing machine, which comprises a machine body, wherein a fingerprint testing device and a conveying device for conveying fingerprint modules are arranged on the machine body, the fingerprint testing device comprises a horizontal moving device, a vertical moving device and an analog fingerprint device, the analog fingerprint device is arranged on the vertical moving device, the vertical moving device is arranged on the horizontal moving device, when the horizontal moving device and the vertical moving device respectively move to a detection position, an analog fingerprint on the analog fingerprint device is contacted with the fingerprint module on the conveying device, the fingerprint module is stored in a tray and conveyed for transposition, the testing efficiency and the testing precision can be improved through a fingerprint module testing machine, an identification code is arranged on the fingerprint module, the detected fingerprint module corresponds to test data and cannot make mistakes, the identification code on the fingerprint module is manually recorded and corresponds to the measured data, the efficiency of recording the fingerprint module is low, the efficiency of recording the fingerprint testing module and the efficiency of organizing the fingerprint testing module are reduced, and the fingerprint identification code is not beneficial to the automatic fingerprint module scanning and the fingerprint testing efficiency is improved, so that the identification code is not beneficial to the fingerprint module scanning efficiency and the fingerprint testing efficiency is improved.
Disclosure of Invention
The invention aims to overcome the defects that the efficiency of recording the identification code on the fingerprint module is lower, the test efficiency of the fingerprint module is reduced and the automatic test of the fingerprint module is not facilitated by manually recording the identification code on the fingerprint module at present and corresponding to the measured data, and provides fingerprint module identification code recording scanning devices and scanning methods which have higher efficiency, improve the test efficiency of the fingerprint module and are beneficial to the automatic test of the fingerprint module.
The specific technical scheme of the invention is as follows:
fingerprint module identification code scanning device comprises a bottom plate, two conveyor belts and a material tray conveyed on the conveyor belts, the fingerprint module identification code scanning device further comprises a material tray positioning device, a scanning manipulator of a code scanning device, a material tray positioning device, a positioning and compressing mechanism, an end blocking mechanism, a positioning detection sensor and a positioning detection sensor, wherein the material tray positioning device is provided with a scanning manipulator of the code scanning device and positioned above the material tray positioning device, the fixing blocking edge is arranged outside conveyor belts and provided with a side accommodating groove matched with the side end of the material tray, the side pushing mechanism is provided with a supporting plate and at least side pushing blocks, the positioning and compressing mechanism and the end blocking mechanism are arranged between the fixing blocking edge and the side pushing mechanism and provided with an end blocking strip, the positioning detection sensor and the positioning detection sensor are arranged outside another conveyor belts, the end accommodating groove matched with the end of the material tray is arranged at the rear end of the material tray, the fingerprint module identification code scanning device is used, the positioning detection sensor detects that the material tray moving forwards along with the conveyor belts is positioned in the position, the fingerprint module identification code scanning manipulator, the fingerprint module is decelerated, the fingerprint module is inserted into the accommodating mechanism, the transverse direction of the fingerprint module, the fingerprint module is inserted into the supporting plate, the fingerprint module is inserted into the fingerprint module, the fingerprint module is inserted into the fingerprint module, the fingerprint module.
Preferably, the scanning manipulator comprises a cross beam, two transverse driving synchronous wheels, two transverse driving synchronous belts, a transverse driving synchronous motor, a longitudinal beam, two longitudinal driving synchronous wheels, a longitudinal driving synchronous motor and a mounting seat, wherein the two cross beam is provided with and corresponds to upright columns positioned on the outer sides of two conveying belts, the upper end of the cross beam is provided with a transverse guide rail, the two transverse driving synchronous wheels are respectively pivoted with the upper end of the cross beam, the transverse driving synchronous belts are respectively in transmission connection with the two transverse driving synchronous wheels, the transverse driving synchronous motor is connected with the longitudinal driving synchronous wheels, the longitudinal driving synchronous motor is connected with the longitudinal beam, the mounting seat is connected with a sliding block of the longitudinal guide rail, an output shaft of the transverse driving synchronous motor is connected with ends of the transverse driving synchronous wheels, the output shaft of the longitudinal driving synchronous motor is connected with ends of longitudinal driving synchronous wheels, the side edge of of the longitudinal driving synchronous belt is connected with the sliding block of the longitudinal guide rail, a code scanning device is a machine vision system connected with the mounting seat, when the scanning manipulator and the longitudinal driving synchronous motors are used for controlling fingerprint scanning modules one by one according to high efficiency, and fingerprint scanning efficiency is high, and the fingerprint scanning efficiency is high.
Preferably, the side jacking mechanism comprises side rods, mounting blocks and side jacking cylinders, the number of the side rods is the same as that of the side jacking blocks, the mounting blocks are respectively connected with the side rods, the number of the mounting blocks is the same as that of the side jacking blocks, the side jacking cylinders are correspondingly connected with the mounting blocks , piston rods of the side jacking cylinders are correspondingly connected with the outer ends of the side jacking blocks, the side jacking cylinders are cylinders with piston rods not rotating or double-rod cylinders, side base rods are connected with a bottom plate, and the side jacking mechanism is simple and practical in structure.
Preferably, the positioning detection sensor and the positioning detection sensor are both photoelectric sensors; the positioning detection sensor and the positioning detection sensor are respectively connected with the side group rod. The positioning detection sensor and the positioning detection sensor are photoelectric sensors and universal parts, so that the positioning detection sensor is low in cost and convenient to install and maintain.
Preferably, the lifting type end blocking mechanism comprises a base plate, a lifting cylinder and a plurality of guide rail seats, vertical linear guide rails, connecting plates, a sliding block and a base plate, wherein the lifting cylinder and the guide rail seats are respectively connected with the base plate, the vertical linear guide rails are in the same number as the guide rail seats and are correspondingly connected with the guide rail seats , the connecting plates are respectively connected with a piston rod of the lifting cylinder and an end blocking strip, the sliding block of each vertical linear guide rail is connected with the front end of the end blocking strip, the base plate is connected with the base plate, and the vertical linear guide rails of the lifting.
Preferably, the in-position pressing mechanism comprises two supports, a rotating shaft, a rotating pull rod, at least rotating pressing pieces and a pressing cylinder, wherein the supports are located on the rear side of the guide rail seat and connected with the base plate, the rotating shaft is pivoted with the two supports at two ends correspondingly, the rotating pull rod and the at least rotating pressing pieces are respectively connected with the rotating shaft, the pressing cylinder is connected with the base plate, a piston rod of the pressing cylinder is connected with the end of the rotating pull rod, and the rotating pressing pieces of the in-position pressing mechanism can press the lower end of the material tray to enable the upper end of the material tray to be tightly attached to the upper side edges of the side accommodating groove and the end accommodating groove and.
Preferably, the fixing rib comprises: the fixing rod, the supporting plate connected with the inner side end of the fixing rod and the upper baffle plate arranged on the upper side of the supporting plate and connected with the inner side end of the fixing rod; a side accommodating groove is formed among the inner side end of the fixed rod, the supporting plate and the upper baffle; the fixed rod is connected with the bottom plate. A side containing groove is formed among the inner side end of a fixed rod for fixing the retaining edge, the supporting plate and the upper baffle plate, the supporting plate is matched with the supporting plate to facilitate stable positioning of the material tray, and the upper baffle plate is beneficial to blocking the upper end of the material tray.
fingerprint module identification code scanning device, which includes the limiting structure of the fingerprint module identification code scanning device, , the locating detection sensor detects that the material tray moving forward along with the conveyor belt is located, the conveyor belt decelerates, end of the material tray is inserted into the side containing groove, the support plate supports the other end of the material tray, the piston rod of the lifting cylinder pushes the stop bar to lift and block the material tray through the connecting plate, and the front end of the material tray is inserted into the end containing groove, step two, after the piston rod of the side jacking cylinder pushes the side jacking block to jack the other end of the material tray for initial positioning, the piston rod of the side jacking cylinder pulls the side jacking block to reset and separate from the other end of the material tray, step three, the piston rod of the jacking cylinder pushes the rotating spanner rod, the rotating pressing sheet is driven by the rotating shaft, the lower end of the material tray is pushed by the pressing sheet, the front end of the material tray is pushed to jack the bottom of the end containing groove, the upper end of the material tray is abutted against the upper side of the upper side jacking block of the end containing groove, step four, the piston rod of the side jacking block pushes the module to jack the fingerprint module, the fingerprint module is driven by the fingerprint module, the fingerprint module is driven by the fingerprint scanning efficiency of the fingerprint module, the fingerprint scanning system, the fingerprint scanning device is controlled by the.
The invention has the advantages that the fingerprint module identification code scanning device has higher efficiency of recording identification codes on a fingerprint module, improves the fingerprint module testing efficiency and is beneficial to organizing the automatic testing of the fingerprint module, the side jacking mechanism is matched with the fixed retaining edge and is suitable for material trays with different specifications, the material trays can be accurately accessed and positioned by pressing the side jacking mechanism and the fixed retaining edge through the detection of the positioning detection sensor, when a scanning manipulator is used, under the driving of a transverse driving synchronous motor and a longitudinal driving synchronous motor, a machine vision system scans the identification codes of the fingerprint modules in the material trays one by one according to rows and transmits identification code signals to a controller for recording, the identification codes correspond to the test data of the fingerprint module, the scanning efficiency is high and errors are not easy to occur.
Drawings
FIG. 1 is a schematic representation of configurations of the present invention;
FIG. 2 is a schematic structural view of a tray positioning device;
FIG. 3 is a schematic structural view of the elevating end stop mechanism;
fig. 4 is a schematic structural view of the positioning and pressing mechanism.
In the figure: the device comprises a conveying belt 1, a material tray 2, a fixed flange 3, a side accommodating groove 31, a fixed rod 32, a supporting plate 33, an upper baffle 34, a side jacking mechanism 4, a supporting plate 41, a side jacking block 42, a side rod 43, a mounting block 44, a side jacking cylinder 45, a positioning and pressing mechanism 5, a support 51, a rotating shaft 52, a rotating toggle rod 53, a rotating pressing sheet 54, a pressing cylinder 55, a lifting and falling end blocking mechanism 6, an end blocking strip 61, an end accommodating groove 62, a base plate 63, a lifting cylinder 64, a guide rail seat 65, a vertical linear guide rail 66, a connecting plate 67, a positioning detection sensor 7, a positioning detection sensor 8, a scanning manipulator 9, a code scanning device 91, a stand column 92, a transverse guide rail 93, a cross beam 94, a transverse driving synchronous wheel 95, a transverse driving synchronous belt 96, a transverse driving synchronous motor 97, a longitudinal guide rail 98 and a longitudinal beam 99, and two longitudinal beams 99, a longitudinal driving synchronous wheel 910, The synchronous motor 912, the mounting 913 and the base plate 10 are driven longitudinally.
Detailed Description
The invention is further described in conjunction with the figures.
As shown in the attached figures 1, 2, 3 and 4:
fingerprint module identification code scanning device comprises a bottom plate 10, two conveyer belts 1, a material tray 2 conveyed on the conveyer belts 1, a material tray positioning device and a scanning manipulator 9 provided with a code scanning device 91 positioned above the material tray positioning device, wherein the material tray positioning device comprises fixed flanges 3 which are arranged at the outer sides of conveyer belts 1 and are provided with side accommodating grooves 31 in clearance fit with the side ends of the material tray 2, side ejecting mechanisms 4 which are arranged at the outer sides of conveyer belts 1 and are provided with a support plate 41 and two side ejecting blocks 42 positioned at the lower side of the material tray 2, an entering positioning pressing mechanism 5 and a lifting type end blocking mechanism 6 which are provided with end blocking strips 61 and are arranged between the fixed flanges 3 and the side ejecting mechanisms 4, an entering position detection sensor 7 and a positioning detection sensor 8, and an end accommodating groove 62 which is in clearance fit with the end edges of the material tray 2 is arranged at the rear end of.
The side jacking mechanism 4 comprises side rods 43, mounting blocks 44, side jacking cylinders 45, piston rods of the side jacking cylinders 45 are in threaded connection with the outer ends of the side jacking blocks 42 correspondingly, the side jacking cylinders 45 are air cylinders with piston rods not rotating, and the side base rods 43 are in threaded connection with the bottom plate 10.
The positioning detection sensor 7 and the positioning detection sensor 8 are both photoelectric sensors; the positioning detection sensor 7 and the positioning detection sensor 8 are screwed to the side links 43, respectively.
The lifting type end stop mechanism 6 comprises a base plate 63, a lifting cylinder 64 and two guide rail seats 65 which are respectively in threaded connection with the base plate 63, vertical linear guide rails 66 which are the same in number as the guide rail seats 65 and are correspondingly in threaded connection with the guide rail seats 65 , connecting plates 67 which are respectively in threaded connection with a piston rod of the lifting cylinder 64 and an end stop bar 61, a sliding block of each vertical linear guide rail 66 is in threaded connection with the front end of the end stop bar 61, and the base plate 63 is in threaded connection with a bottom plate 10.
The positioning and pressing mechanism 5 comprises two supports 51 which are positioned at the rear side of the guide rail seat 65 and are in threaded connection with the base plate 63, a rotating shaft 52, two ends of which are pivoted with the two supports 51 correspondingly through bearings, a rotating pull rod 53 and two rotating pressing pieces 54 which are respectively in key connection with the rotating shaft 52, and a pressing cylinder 55 in threaded connection with the base plate 63, wherein a piston rod of the pressing cylinder 55 is hinged with the end of the rotating pull rod 53.
The fixed flange 3 comprises: a fixing rod 32, a supporting plate 33 screwed with the inner end of the fixing rod 32, and an upper baffle plate 34 arranged on the upper side of the supporting plate 33 and screwed with the inner end of the fixing rod 32; a side accommodating groove 31 is formed among the inner side end of the fixing rod 32, the supporting plate 33 and the upper baffle plate 34; the fixing lever 32 is screw-coupled with the base plate 10.
The scanning manipulator 9 comprises a cross beam 94, two transverse driving synchronous wheels 95, two transverse driving synchronous belts 96, a transverse driving synchronous motor 97, a longitudinal guide rail 98, a longitudinal beam 99, two longitudinal driving synchronous wheels 910, a longitudinal driving synchronous belt 911, a longitudinal driving synchronous motor 912, a mounting seat 913 and an output shaft of the transverse driving synchronous motor 97, wherein the two transverse driving synchronous wheels 95 are in end key connection with ends of the transverse driving synchronous wheels 95, the side edge of a of the transverse driving synchronous belt 96 is in thread connection with a sliding block of the transverse guide rail 93, the output shaft of the longitudinal driving synchronous motor 912 is in thread connection with ends of the longitudinal driving synchronous wheels , the side edge of a sliding block of the longitudinal driving synchronous belt 911 is in thread connection with a side edge of a longitudinal guide rail 98, and a scanning machine mounting seat 913 is in thread connection with a visual code device 91 of the longitudinal guide rail 93.
fingerprint module identification code scanning device, which includes the above mentioned limited structure, , the position detection sensor 7 detects the position of the tray 2 moving forward with the conveyor belt 1, the conveyor belt 1 decelerates, the end of the tray 2 is inserted into the side accommodating groove 31 and the support plate 41 supports the other end of the tray 2, the piston rod of the lifting cylinder 64 pushes the barrier strip to lift and block the tray 2 through the connecting plate 67 and the front end of the tray 2 is inserted into the accommodating groove 62, step two, after the piston rod of the side jacking cylinder 45 pushes the side jacking block 42 to jack the other end of the tray 2 for primary positioning, the piston rod of the side jacking cylinder 45 pulls the side jacking block 42 to reset and separate from the other end of the tray 2, step three, the piston rod of the pressing cylinder 55 pushes the rotating spanner 53 and drives the rotating pressing sheet 54 to rotate, the end of the rotating pressing sheet 54 presses the lower end of the front end of the tray 2 to jack the bottom of the accommodating groove 62, the upper end of the tray 2 drives the rotating pressing sheet 54 to rotate, the transverse pressing sensor to drive the vertical pressing sensor of the tracking system, the vertical scanning system, the tracking system, the track of the track 2, and the track detection sensor, and the track detection system, the track detection sensor, step 3, the track detection system is performed synchronous detection, the track detection of the track detection system, the track detection system is performed by track detection system, step 3, the track detection system, the track.
The invention has the advantages that the fingerprint module identification code scanning device has higher efficiency of recording identification codes on a fingerprint module, improves the testing efficiency of the fingerprint module and is beneficial to organizing the automatic testing of the fingerprint module, the side jacking mechanism is matched with a fixed flange and is suitable for material trays with different specifications, the material trays can be accurately accessed and positioned by compressing the identification codes and detecting the identification codes by the positioning and compressing mechanism, when the scanning manipulator is used, under the driving of a transverse driving synchronous motor and a longitudinal driving synchronous motor, a machine vision system scans the identification codes of the fingerprint modules in the material trays one by one according to rows and transmits identification code signals to a controller for recording, the identification codes correspond to test data of the fingerprint module, the scanning efficiency is high and errors are not easy to occur.
It will be obvious to those skilled in the art that the present invention may be varied in many ways, and that such variations are not to be regarded as a departure from the scope of the invention. All such modifications as would be obvious to one skilled in the art are intended to be included within the scope of this claim.
Claims (5)
- The fingerprint module identification code scanning device is characterized by further comprising a material tray positioning device, a scanning manipulator, a material tray positioning mechanism, a side jacking mechanism, an entering positioning pressing mechanism, an entering end blocking mechanism, an entering detection sensor and a positioning detection sensor, wherein the material tray positioning device is provided with a scanning manipulator of a code scanning device, the scanning manipulator is positioned above the material tray positioning device, the fixed blocking edge is arranged on the outer sides of conveying belts and is provided with a side accommodating groove matched with the side end of the material tray, the side jacking mechanism is provided with a supporting plate and at least side jacking blocks, the entering positioning pressing mechanism and the entering end blocking mechanism are arranged between the fixed blocking edge and the side jacking mechanisms, the end blocking mechanism is provided with an end blocking strip, the entering detection sensor and the positioning detection sensor are arranged on the outer sides of conveying belts, the rear end accommodating groove matched with the end of the material tray is arranged at the rear end of the end blocking strip, the side jacking mechanism comprises side rods, the number of the side jacking rods, the side jacking rods are connected with the supporting plate, the side jacking rods are connected with the side jacking rods, the number of the side jacking rods is the same as the side jacking rods, the side jacking rods connected with the side jacking cylinders, the side jacking rods are connected with the side jacking rods, the rotating detection sensor, the rotating detection rod base rod is connected with the rotating detection rod, the rotating rod of the rotating detection rod, the rotating detection sensor, the rotating detection rod, the rotating rod of the rotating detection rod, the rotating detection rod is connected with the rotating cylinder, the rotating rod of the rotating detection rod, the rotating.
- 2. The fingerprint module identification code scanning device of claim 1, wherein the scanning manipulator comprises a cross beam having two vertical columns corresponding to the outer sides of the two conveyor belts and a transverse guide rail at the upper end thereof, two transverse driving synchronous wheels respectively pivoted with the upper end of the cross beam, a transverse driving synchronous belt respectively in transmission connection with the two transverse driving synchronous wheels, a transverse driving synchronous motor connected with the cross beam, a longitudinal beam having a longitudinal guide rail at the upper end thereof and a slider at the lower end thereof connected with the transverse guide rail, two longitudinal driving synchronous wheels respectively pivoted with the upper end of the longitudinal beam, a longitudinal driving synchronous belt respectively in transmission connection with the two longitudinal driving synchronous wheels, a longitudinal driving synchronous motor connected with the longitudinal beam, and a mounting seat connected with the slider of the longitudinal guide rail, wherein an output shaft of the transverse driving synchronous motor is connected with transverse driving synchronous wheels , a side of the transverse driving synchronous belt is connected with the slider of the transverse guide rail, an output shaft of the longitudinal driving synchronous motor is connected with longitudinal driving synchronous wheels , a side of the longitudinal driving synchronous belt is connected with the slider of the longitudinal guide rail, and the code scanning.
- 3. The fingerprint module identification code scanning device of claim 1 or 2, wherein the lifting type end stop mechanism comprises a base plate, a lifting cylinder and a plurality of guide rail seats, a plurality of vertical linear guide rails, a connecting plate, a sliding block and a base plate, the lifting cylinder and the plurality of guide rail seats are respectively connected with the base plate, the number of the vertical linear guide rails is the same as that of the guide rail seats, the vertical linear guide rails are correspondingly connected with the guide rail seats , the connecting plate is respectively connected with a piston rod of the lifting cylinder and an end stop bar, the sliding block of each vertical linear guide rail is connected with.
- 4. The fingerprint module identification code scanning device of claim 1 or 2, characterized by: the fixed flange comprises: the fixing rod, the supporting plate connected with the inner side end of the fixing rod and the upper baffle plate arranged on the upper side of the supporting plate and connected with the inner side end of the fixing rod; a side accommodating groove is formed among the inner side end of the fixed rod, the supporting plate and the upper baffle; the fixed rod is connected with the bottom plate.
- 5, fingerprint module identification code scanning device scanning method, the said fingerprint module identification code scanning device includes the fingerprint module identification code scanning device limited structure of any of claims 1 to 4, wherein, step , the position detection sensor detects the material tray position moved forward with the conveyer belt, the conveyer belt decelerates, the end of the material tray inserts into the side holding groove and the back plate supports another end of the material tray, the piston rod of the lift cylinder pushes the stop strip to rise to block the material tray and the front end of the material tray inserts into the holding groove through the connecting plate, step two, after the piston rod of the side top cylinder pushes the side top block to push another end of the material tray for primary positioning, the piston rod of the side top cylinder pulls the side top block to reset and separate from another end of the material tray, step three, the piston rod of the hold cylinder pushes the rotating lever, and drives the rotating hold-down piece through the rotating shaft, the end of the rotating hold-down end of the hold plate pushes the bottom surface of the material tray and drives the bottom surface of the side hold groove of the four hold grooves to pull the module, the lateral side of the drive the lateral side of the fingerprint module to move, and drive the vertical drive the fingerprint module to scan the fingerprint module, and detect the fingerprint module in the fingerprint module according to the machine.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711072447.XA CN108008229B (en) | 2017-11-03 | 2017-11-03 | Fingerprint module identification code scanning device and scanning method |
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| CN201711072447.XA CN108008229B (en) | 2017-11-03 | 2017-11-03 | Fingerprint module identification code scanning device and scanning method |
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| CN108008229B true CN108008229B (en) | 2020-01-31 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109376650B (en) * | 2018-10-23 | 2020-09-25 | 杭州长川科技股份有限公司 | Optical fingerprint identification module detection device and detection method |
| CN112866680B (en) * | 2020-12-30 | 2023-05-02 | 盛泰光电科技股份有限公司 | Automatic code scanning system for final inspection machine |
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