阅读说明：本技术 一种二极管单向性激光喷码新工艺标注设备 (Diode unidirectional laser code-spraying new process labeling equipment ) 是由 余龙武 于 2021-01-13 设计创作，主要内容包括：本发明公开了一种二极管单向性激光喷码新工艺标注设备,包括机壳,所述机壳内设有放料腔,所述放料腔下端壁内设有喷码腔,所述机壳内设有检测腔,所述检测腔右端壁内设有出料腔,所述检测腔前端壁内设有驱动腔,所述检测腔后端壁内设有从动腔,所述检测腔左端壁内设有传动腔,所述机壳内设有驱动腔,所述喷码腔前后端壁内设有两个激光腔,所述检测腔内设有的检测块,所述检测块内设有接触导电块,所述接触导电块能够与二极管进行电力连通,从而对二极管的单向性进行检测,所述激光腔内设有启动器,所述启动器固定连接有连接杆,所述连接杆上固定连接有固定块和激光器,所述激光器能够对二极管进行激光喷码。(The invention discloses a diode unidirectional laser code-spraying new process labeling device which comprises a shell, wherein a discharging cavity is arranged in the shell, a code-spraying cavity is arranged in the lower end wall of the discharging cavity, a detection cavity is arranged in the shell, a discharging cavity is arranged in the right end wall of the detection cavity, a driving cavity is arranged in the front end wall of the detection cavity, a driven cavity is arranged in the rear end wall of the detection cavity, a transmission cavity is arranged in the left end wall of the detection cavity, a driving cavity is arranged in the shell, two laser cavities are arranged in the front end wall and the rear end wall of the code-spraying cavity, a detection block is arranged in the detection cavity, a contact conductive block is arranged in the detection block and can be electrically communicated with a diode so as to detect the unidirectional property of the diode, a starter is arranged in the laser cavities, a connecting rod is fixedly connected with the starter, the laser can carry out laser inkjet printing on the diode.)

1. A diode unidirectional laser code spraying new process labeling device comprises a machine shell and is characterized in that: the detection device comprises a shell, a feeding cavity is arranged in the shell, a code spraying cavity is arranged in the lower end wall of the feeding cavity, a detection cavity is arranged in the shell, a discharging cavity is arranged in the right end wall of the detection cavity, a driving cavity is arranged in the front end wall of the detection cavity, a driven cavity is arranged in the rear end wall of the detection cavity, a transmission cavity is arranged in the left end wall of the detection cavity, a driving cavity is arranged in the shell, two laser cavities are arranged in the front end wall and the rear end wall of the code spraying cavity, a detection mechanism, a transmission mechanism and a code spraying mechanism are arranged in the shell, the detection mechanism comprises a detection block arranged in the detection cavity, a contact conductive block is arranged in the detection block and can be in electric communication with a diode, so that the unidirectionality of the diode can be detected, the transmission mechanism comprises a driving motor fixedly connected with, the code spraying mechanism comprises a starter arranged in the laser cavity, the starter is fixedly connected with a connecting rod, a fixed block and a laser are fixedly connected onto the connecting rod, and the laser can perform laser code spraying on the diode.

2. The diode unidirectional laser code spraying new process labeling equipment as claimed in claim 1, wherein: the transmission mechanism comprises a driving shaft which is in power connection with the driving motor, the driving shaft is fixedly connected with an incomplete gear, the front end wall of the driving cavity is rotatably connected with a control shaft, the control shaft is fixedly connected with a control gear which is meshed with the incomplete gear, the front end of the control shaft is fixedly connected with a control belt wheel, the front end wall of the rotating cavity is rotatably connected with a rotating shaft, the rear end of the rotating shaft is positioned in the detection cavity, the front end of the rotating shaft is fixedly connected with a rotating belt wheel, the rotating belt wheel is connected with the control belt wheel and is provided with a rotating belt, the rear end of the rotating shaft is fixedly connected with a fixed disk, the fixed disk is rotatably connected with four torsion shafts which are uniformly distributed, the torsion shafts are connected with the fixed disk and are provided with torsion springs, the torsion shafts are fixedly connected with a, the front end wall of the driving cavity is rotatably connected with a rotating shaft, the rear end of the rotating shaft is fixedly connected with an intermediate gear kneaded with the incomplete gear, the lower end of the rotating shaft is fixedly connected with a driving bevel gear, the left end wall of the driving cavity is rotatably connected with a transmission shaft, the right end of the transmission shaft is fixedly connected with a transmission bevel gear meshed with the driving bevel gear, and the left end of the transmission shaft is fixedly connected with a transmission belt pulley.

3. The diode unidirectional laser code spraying new process labeling equipment as claimed in claim 2, wherein: the detection mechanism comprises a detection shaft which is rotatably connected with the left end wall of the transmission cavity and the right end of which is positioned in the detection cavity, the left end of the detection shaft is fixedly connected with a detection belt wheel, a limiting cavity is arranged in the detection block, the detection shaft is fixedly connected with a limiting disc positioned in the limiting cavity, two arc-shaped holes which are symmetrical front and back are arranged in the limiting disc, two limiting plates which are symmetrical front and back are slidably connected in the limiting cavity, limiting springs are connected with the limiting cavities, a limiting rod with the other end positioned in the arc-shaped hole is fixedly connected with the limiting plate, a horizontal plate is arranged in the detection cavity, a sliding cavity is arranged in the horizontal plate, a sliding block which is slidably connected with the sliding cavity is fixedly connected with the detection shaft, two clamping cavities which are symmetrical front and back are arranged in the horizontal plate, and two horizontal springs are connected, the utility model discloses a laser instrument, including horizontal plate fixedly connected with other end and limiting plate, it can be with the diode one-to-one, two haulage ropes of limiting plate fixed connection to detect the piece rear side, it can with the diode one-to-one to detect the piece front side be equipped with four contact chamber, the contact intracavity is equipped with the contact plate, the contact plate fixedly connected with other end with limiting plate fixed connection's connection rope, the contact plate fixedly connected with other end is located detect the contact lever of intracavity, contact lever fixedly connected with contact conducting block, contact conducting block with it is equipped with contact spring, upside to detect the piece connection contact conducting block and power intercommunication, downside the contact conducting block can communicate with the laser instrument of front side and rear side.

4. The diode unidirectional laser code spraying new process labeling equipment as claimed in claim 2, wherein: the code spraying mechanism comprises a transmission shaft, wherein the left end wall of the transmission cavity is rotationally connected with the transmission shaft, the right end of the transmission shaft is positioned in the driven cavity, the left end of the transmission shaft is fixedly connected with a transmission belt wheel, the detection belt wheel and the transmission belt wheel are connected with a transmission belt, the right end of the transmission shaft is fixedly connected with a transmission bevel gear, the upper end wall of the driven cavity is rotationally connected with a driven shaft, the upper end of the driven shaft is fixedly connected with a driven bevel gear meshed with the transmission bevel gear, the lower end of the driven shaft is fixedly connected with a first driven belt wheel, the upper end wall of the laser cavity is rotationally connected with a transposition shaft, the transposition shaft is fixedly connected with four uniformly distributed starters, the transposition shaft is fixedly connected with a transposition belt wheel, the transposition belt wheel at the rear side is connected with the first driven, the upper end of the winding shaft is fixedly connected with a rotating bevel gear meshed with the driving bevel gear, the lower end of the winding shaft is fixedly connected with a second driven belt wheel, and the second driven belt wheel is connected with the transposition belt wheel on the front side and provided with the transposition belt.

5. The diode unidirectional laser code spraying new process labeling equipment as claimed in claim 4, wherein: the limiting plate can be pushed outwards when rotating, so that the limiting rod cannot enter the arc hole, the clamping block enters the clamping cavity, the horizontal plate rotates and can drive the rotating rod to rotate through the clamping block, the incomplete gear is a quarter toothed gear, the contact conductive block is communicated with laser power in the laser cavity on the front side before the detection shaft rotates, the contact conductive block is communicated with the laser power in the laser cavity on the front side after the detection shaft rotates for a half circle, the contact conductive block is communicated with the laser power in the laser cavity on the rear side after the detection shaft rotates for a half circle, the transmission ratio of the incomplete gear to the intermediate gear is two to one, the transmission ratio of the incomplete gear to the control gear is one to one, and the laser is started after the transposition shaft rotates for a half circle.

Technical Field

The invention relates to the field of new processes, in particular to a diode unidirectional laser code-spraying new process marking device.

Background

The diode has the characteristic of unidirectional conduction, so the diode has great effect in production and life, but also has the characteristic of unidirectional conduction, so the diode needs to be positioned when being installed and used, otherwise, the failure result occurs, so the unidirectional conduction of the diode needs to be marked, and the conduction direction is marked, but the current marking mode is usually printing, so that on one hand, a small object such as the diode is difficult to print, and on the other hand, the object is easy to be blurred when being used.

Disclosure of Invention

In order to solve the problems, the embodiment designs a diode unidirectional laser code-spraying new process labeling device, which comprises a casing, wherein a discharge cavity is arranged in the casing, a code-spraying cavity is arranged in the lower end wall of the discharge cavity, a detection cavity is arranged in the casing, a discharge cavity is arranged in the right end wall of the detection cavity, a driving cavity is arranged in the front end wall of the detection cavity, a driven cavity is arranged in the rear end wall of the detection cavity, a transmission cavity is arranged in the left end wall of the detection cavity, a driving cavity is arranged in the casing, two laser cavities are arranged in the front end wall and the rear end wall of the code-spraying cavity, a detection mechanism, a transmission mechanism and a code-spraying mechanism are arranged in the casing, the detection mechanism comprises a detection block arranged in the detection cavity, a contact conductive block is arranged in the detection block, and the contact conductive block can be electrically communicated with a diode, the code spraying mechanism comprises a starter arranged in the laser cavity, the starter is fixedly connected with a connecting rod, a fixed block and a laser are fixedly connected onto the connecting rod, and the laser can perform laser code spraying on the diode.

Preferably, the transmission mechanism comprises a driving shaft which is connected with the driving motor through power, the driving shaft is fixedly connected with an incomplete gear, the front end wall of the driving cavity is connected with a control shaft in a rotating way, the control shaft is fixedly connected with a control gear which is meshed with the incomplete gear, the front end of the control shaft is fixedly connected with a control belt wheel, the front end wall of the rotating cavity is connected with a rotating shaft of which the rear end is positioned in the detection cavity in a rotating way, the front end of the rotating shaft is fixedly connected with a rotating belt wheel, the rotating belt wheel is connected with the control belt wheel and is provided with a rotating belt, the rear end of the rotating shaft is fixedly connected with a fixed disk, the fixed disk is rotatably connected with four torsion shafts which are uniformly distributed, the torsion shafts are connected with the fixed disk and are provided with torsion, the LED lamp is characterized in that a diode can be placed in the storage cavity, the front end wall of the driving cavity is rotatably connected with a rotating shaft, the rear end of the rotating shaft is fixedly connected with an intermediate gear kneaded with the incomplete gear, the lower end of the rotating shaft is fixedly connected with a driving bevel gear, the left end wall of the driving cavity is rotatably connected with a transmission shaft, the right end of the transmission shaft is fixedly connected with a transmission bevel gear meshed with the driving bevel gear, and the left end of the transmission shaft is fixedly connected with a transmission belt.

Preferably, the detection mechanism comprises a detection shaft which is rotatably connected with the left end wall of the transmission cavity and has the right end positioned in the detection cavity, the left end of the detection shaft is fixedly connected with a detection belt wheel, a limiting cavity is arranged in the detection block, the detection shaft is fixedly connected with a limiting disc positioned in the limiting cavity, two arc-shaped holes which are symmetrical front and back are arranged in the limiting disc, two limiting plates which are symmetrical front and back are slidably connected in the limiting cavity, the limiting plates are connected with the limiting cavity and are provided with limiting springs, the limiting plates are fixedly connected with a limiting rod of which the other end is positioned in the arc-shaped holes, a horizontal plate is arranged in the detection cavity, a sliding cavity is arranged in the horizontal plate, the detection shaft is fixedly connected with a sliding block which is slidably connected with the sliding cavity, two clamping cavities which are symmetrical front and back are arranged in the horizontal plate, and, the utility model discloses a laser instrument, including horizontal plate fixedly connected with other end and limiting plate, it can be with the diode one-to-one, two haulage ropes of limiting plate fixed connection to detect the piece rear side, it can with the diode one-to-one to detect the piece front side be equipped with four contact chamber, the contact intracavity is equipped with the contact plate, the contact plate fixedly connected with other end with limiting plate fixed connection's connection rope, the contact plate fixedly connected with other end is located detect the contact lever of intracavity, contact lever fixedly connected with contact conducting block, contact conducting block with it is equipped with contact spring, upside to detect the piece connection contact conducting block and power intercommunication, downside the contact conducting block can communicate with the laser instrument of front side and rear side.

Preferably, the code spraying mechanism comprises a transmission shaft, the left end wall of the transmission cavity is rotationally connected with the transmission shaft, the right end of the transmission shaft is located in the driven cavity, the left end of the transmission shaft is fixedly connected with a transmission belt wheel, the detection belt wheel and the transmission belt wheel are connected with a transmission belt, the right end of the transmission shaft is fixedly connected with a transmission bevel gear, the upper end wall of the driven cavity is rotationally connected with a driven shaft, the upper end of the driven shaft is fixedly connected with a driven bevel gear meshed with the transmission bevel gear, the lower end of the driven shaft is fixedly connected with a first driven belt wheel, the upper end wall of the laser cavity is rotationally connected with a transposition shaft, the transposition shaft is fixedly connected with four uniformly distributed starters, the transposition shaft is fixedly connected with a transposition belt wheel, the transposition belt wheel at the rear side is connected with the first driven belt wheel and, the upper end of the winding shaft is fixedly connected with a rotating bevel gear meshed with the driving bevel gear, the lower end of the winding shaft is fixedly connected with a second driven belt wheel, and the second driven belt wheel is connected with the transposition belt wheel on the front side and provided with the transposition belt.

Preferably, the limiting plate can be pushed outwards when rotating, so that the limiting rod cannot enter the arc hole, the clamping block enters the clamping cavity, the horizontal plate rotates and can be driven by the clamping block to rotate, the incomplete gear is a quarter toothed gear, the detection shaft rotates forwards and forwards, the contact conductive block is communicated with the front side in the laser cavity through laser power, the detection shaft rotates for a half circle and then is communicated with the rear side in the laser cavity through the laser power, the transmission ratio of the incomplete gear to the intermediate gear is two to one, the transmission ratio of the incomplete gear to the control gear is one to one, and the laser is started after the transposition shaft rotates for a half circle.

The invention has the beneficial effects that: the rotating shaft capable of driving the plurality of diodes to rotate is arranged, so that the diodes are transported and placed, the diodes can be detected and marked integrally, and the automatic degree is high; according to the invention, the laser emitter capable of carrying out laser code spraying on the diode is arranged, so that laser code spraying on the diode is realized, the diode is not easy to become fuzzy on the basis of better identification, and the diode experiment is convenient.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic view of the overall structure of a diode unidirectional laser code-spraying new process marking device of the present invention;

FIG. 2 is a schematic structural diagram at A-A in FIG. 1 according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram at B-B in FIG. 1 according to an embodiment of the present invention;

FIG. 4 is a schematic structural diagram at C-C in FIG. 2 according to an embodiment of the present invention;

FIG. 5 is a schematic structural diagram at D-D in FIG. 2 according to an embodiment of the present invention;

FIG. 6 is an enlarged schematic view of the structure at E in FIG. 2 according to an embodiment of the present invention;

fig. 7 is an enlarged view of the structure at F in fig. 2 according to the embodiment of the present invention.

Detailed Description

The invention will now be described in detail with reference to fig. 1-7, wherein for ease of description the orientations described below are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The invention relates to diode unidirectional laser code-spraying new process labeling equipment, which comprises a machine shell 10, wherein a discharging cavity 16 is arranged in the machine shell 10, a code-spraying cavity 11 is arranged in the lower end wall of the discharging cavity 16, a detection cavity 14 is arranged in the machine shell 10, a discharging cavity 17 is arranged in the right end wall of the detection cavity 14, a driving cavity 24 is arranged in the front end wall of the detection cavity 14, a driven cavity 30 is arranged in the rear end wall of the detection cavity 14, a transmission cavity 27 is arranged in the left end wall of the detection cavity 14, a driving cavity 24 is arranged in the machine shell 10, two laser cavities 47 are arranged in the front end wall and the rear end wall of the code-spraying cavity 11, a detection mechanism 80, a transmission mechanism 81 and a code-spraying mechanism 82 are arranged in the machine shell 10, the detection mechanism 80 comprises a detection block 12 arranged in the detection cavity 14, a contact conductive block 70 is arranged in the detection block 12, therefore, the unidirectional property of the diode is detected, the transmission mechanism 81 comprises a driving motor 40 fixedly connected with the front end wall of the driving cavity 24, the driving motor 40 can provide power for the device, the code spraying mechanism 82 comprises a starter 46 arranged in the laser cavity 47, the starter 46 is fixedly connected with a connecting rod 45, a fixed block 52 and a laser 51 are fixedly connected onto the connecting rod 45, and the laser 51 can perform laser code spraying on the diode.

Beneficially, the transmission mechanism 81 includes a driving shaft 41 in power connection with the driving motor 40, the driving shaft 41 is fixedly connected with an incomplete gear 42, the front end wall of the driving cavity 24 is rotatably connected with a control shaft 39, the control shaft 39 is fixedly connected with a control gear 37 engaged with the incomplete gear 42, the front end of the control shaft 39 is fixedly connected with a control pulley 38, the front end wall of the rotating cavity 34 is rotatably connected with a rotating shaft 18 with the rear end located in the detection cavity 14, the front end of the rotating shaft 18 is fixedly connected with a rotating pulley 35, the rotating pulley 35 is connected with the control pulley 38 and provided with a rotating belt 36, the rear end of the rotating shaft 18 is fixedly connected with a fixed disk 15, the fixed disk 15 is rotatably connected with four uniformly distributed torsion shafts 13, the torsion shafts 13 are connected with the fixed disk 15 and provided with torsion springs 75, and the torsion shafts 13 are fixedly connected with, be equipped with four evenly distributed's the chamber 77 of depositing on dwang 76, deposit and to put into the diode in the chamber 77, drive chamber 24 front end wall rotates and is connected with rotation axis 55, rotation axis 55 rear end fixedly connected with the intermediate gear 23 that incomplete gear 42 was kneaded, rotation axis 55 lower extreme fixedly connected with drive bevel gear 43, drive chamber 24 left end wall rotates and is connected with transmission shaft 20, transmission shaft 20 right-hand member fixedly connected with drive bevel gear 22 of drive bevel gear 43 meshing, transmission shaft 20 left end fixedly connected with driving pulley 19.

Beneficially, the detection mechanism 80 includes a detection shaft 26 rotatably connected to the left end wall of the transmission cavity 27 and having a right end located in the detection cavity 14, a detection belt wheel 25 is fixedly connected to the left end of the detection shaft 26, a limiting cavity 59 is provided in the detection block 12, the detection shaft 26 is fixedly connected to a limiting plate 58 located in the limiting cavity 59, two arc holes 57 symmetrical front and back are provided in the limiting plate 58, two limiting plates 61 symmetrical front and back are slidably connected in the limiting cavity 59, a limiting spring 62 is provided in connection between the limiting plate 61 and the limiting cavity 59, a limiting rod 60 having the other end located in the arc hole 57 is fixedly connected to the limiting plate 61, a horizontal plate 65 is provided in the detection cavity 14, a sliding cavity 67 is provided in the horizontal plate 65, the detection shaft 26 is fixedly connected to a sliding block 68 slidably connected to the sliding cavity 67, two clamping cavities 69 symmetrical front and back are provided in the horizontal plate 65, the horizontal plate 65 is connected with the detection block 12 and is provided with two horizontal springs 64, the horizontal plate 65 is fixedly connected with two traction ropes 63 the other end of which is fixedly connected with the limiting plate 61, the rear side of the detection block 12 is provided with four contact cavities 71 which can be in one-to-one correspondence with the diodes, the front side of the detection block 12 is provided with four contact cavities 71 which can be in one-to-one correspondence with the diodes, a contact plate 72 is arranged in the contact cavity 71, the contact plate 72 is fixedly connected with a connecting rope 56 of which the other end is fixedly connected with the limiting plate 61, the contact plate 72 is fixedly connected with a contact rod 74 with the other end positioned in the detection chamber 14, the contact rod 74 is fixedly connected with a contact conductive block 70, the contact conductive block 70 is connected with the detection block 12 and is provided with a contact spring 73, the contact conductive block 70 at the upper side is communicated with a power supply, and the contact conductive block 70 at the lower side can be communicated with the laser 51 at the front side and the rear side.

Advantageously, the code spraying mechanism 82 comprises a transmission shaft 29 with a left end wall rotatably connected with the left end wall of the transmission cavity 27 and a right end located in the driven cavity 30, a transmission belt wheel 28 is fixedly connected with the left end of the transmission shaft 29, a transmission belt 21 is connected with the transmission belt wheel 28, the detection belt wheel 25 and the transmission belt wheel 19, a transmission bevel gear 31 is fixedly connected with the right end of the transmission shaft 29, a driven shaft 33 is rotatably connected with the upper end wall of the driven cavity 30, a driven bevel gear 32 engaged with the transmission bevel gear 31 is fixedly connected with the upper end of the driven shaft 33, a first driven belt wheel 53 is fixedly connected with the lower end of the driven shaft 33, a transposition shaft 48 is rotatably connected with the upper end wall of the laser cavity 47, four uniformly distributed actuators 46 are fixedly connected with the transposition shaft 48, a transposition belt wheel 49 is fixedly connected with the transposition shaft 48, a transposition belt 50 is connected with the transposition belt wheel 49 on the rear, the lower end wall of the driving cavity 24 is rotatably connected with a rotating shaft 78, the upper end of the rotating shaft 78 is fixedly connected with a rotating bevel gear 44 meshed with the driving bevel gear 43, the lower end of the rotating shaft 78 is fixedly connected with a second driven pulley 54, and the second driven pulley 54 is connected with the front transposition pulley 49 to be provided with the transposition belt 50.

Advantageously, when the limiting plate 58 rotates, the limiting rod 60 is pushed outwards, so that the limiting rod cannot enter the arc-shaped hole 57, after the clamping block 66 enters the clamping cavity 69, the horizontal plate 65 rotates, and the rotating rod 76 can be driven to rotate by the clamping block 66, the incomplete gear 42 is a quarter toothed gear, before the detection shaft 26 rotates, the front side contact conductive block 70 is in electrical communication with the laser 51 in the front side laser cavity 47, after the detection shaft 26 rotates for a half turn, the front side contact conductive block 70 is in electrical communication with the laser 51 in the rear side laser cavity 47, the incomplete gear 42 and the intermediate gear 23 have a two-to-one transmission ratio, the incomplete gear 42 and the control gear 37 have a one-to-one transmission ratio, and after the transposition shaft 48 rotates for a half turn, the laser 51 starts.

The use steps herein are described in detail below with reference to fig. 1-7:

in the initial state, the torsion spring 75 is in a relaxed state, four diodes are arranged on the rotating rod 76 in the emptying cavity 16, and the incomplete gear 42 is just meshed with the control gear 37.

When the diode is unidirectionally labeled, the driving motor 40 is started to output power, so as to drive the driving shaft 41 to rotate for one turn, so as to drive the control gear 37 to rotate for one quarter turn, so as to drive the control shaft 39 and the control pulley 38 to rotate for one quarter turn, so as to drive the rotating pulley 35 and the rotating shaft 18 to rotate for one quarter turn, so as to drive the rotating rod 76 in the discharging cavity 16 to enter the detection cavity 14, so as to push the horizontal plate 65 to move leftwards and compress the horizontal spring 64, so as to release the pulling rope 63, when the pulling rope 63 is released, the two limiting plates 61 and the limiting rod 60 move towards the direction close to the detection shaft 26, so as to release the connecting rope 56, when the connecting rope 56 is released, the two contact plates 72, the two contact rods 74 and the two contact conductive blocks 70 move relatively, so that the contact conductive blocks 70 are electrically connected with the diode, and at this, the front side contact conductive block 70 is in communication with the laser 51 in the front side laser cavity 47, at which time the laser 51 in the front side laser cavity 47 is activated if the diode is able to conduct electricity;

then the incomplete gear 42 continues to rotate to drive the intermediate gear 23 to rotate for half a turn, so as to drive the transmission shaft 20 to rotate for half a turn through the rotation shaft 55, the drive bevel gear 43 and the transmission bevel gear 22, so as to drive the detection belt wheel 25 and the transmission belt wheel 28 to rotate for half a turn through the transmission belt wheel 19 and the transmission belt 21, the detection belt wheel 25 rotates for half a turn to drive the detection shaft 26 to rotate, the detection shaft 26 drives the limiting disc 58 to rotate when rotating, so as to push the limiting rod 60 to leave the limiting disc 58, so that the connecting rope 56 is tensioned, thereby driving the two contact conductive blocks 70 to move backwards, so that the contact conductive blocks 70 are not contacted with the diode, meanwhile, the detection shaft 26 rotates to drive the horizontal plate 65 to rotate through the sliding block 68, thereby driving the rotating rod 76 in the detection cavity 14 to rotate and twist the torsion spring 75 through the clamping block 66, thereby driving the half a turn of the, the limiting rod 60 is close to the limiting disc 58 under the elastic force of the limiting spring 62, so that the contact conductive block 70 is driven to move relatively to be in contact with the diode, the rear side contact conductive block 70 supplies power to the diode, and the front side contact conductive block 70 is communicated with the laser 51 in the rear side laser cavity 47 for detection;

after the detection is completed, the incomplete gear 42 continues to rotate to transport the diode into the code spraying cavity 11, then the incomplete gear 42 continues to rotate to drive the driving bevel gear 43 to rotate, so as to drive the rotating bevel gear 44 to rotate, so as to drive the rotating shaft 78 and the second driven pulley 54 to rotate, the transmission pulley 28 rotates to drive the transmission shaft 29 and the transmission bevel gear 31 to rotate, so as to drive the driven bevel gear 32 and the driven shaft 33 to rotate, so as to drive the first driven pulley 53 to rotate, the first driven pulley 53 and the second driven pulley 54 rotate to drive the two transposition pulleys 49 to rotate, so as to drive the transposition shaft 48 to rotate, so that the started laser 51 performs laser code spraying on the diode, so as to mark the conducting direction of the diode, and then the incomplete gear 42 continues to rotate to drive the marked diode to enter the discharging cavity 17 to be taken out.

The invention has the beneficial effects that: the rotating shaft capable of driving the plurality of diodes to rotate is arranged, so that the diodes are transported and placed, the diodes can be detected and marked integrally, and the automatic degree is high; according to the invention, the laser emitter capable of carrying out laser code spraying on the diode is arranged, so that laser code spraying on the diode is realized, the diode is not easy to become fuzzy on the basis of better identification, and the diode experiment is convenient.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.