Full-automatic laser marking machine

Abstract

The utility model provides a full-automatic laser marking machine, which relates to the technical field of marking machines and comprises a base and a laser marking mechanism, the laser marking mechanism is arranged on the top surface of the base, and a lead frame sucking and carrying mechanism and a marked lead frame carrying mechanism are respectively arranged on two sides of the laser marking mechanism. A material box stacking mechanism is arranged on one side of the front face of the laser marking machine, a lead frame partition paper carrying mechanism is arranged on the other side of the front face of the laser marking machine, the bottom face of the material box stacking mechanism and the bottom face of the lead frame partition paper carrying mechanism are both in bolted connection with the top face of the base, and a rail conveying mechanism is arranged between the material box stacking mechanism and the laser marking mechanism. According to the full-automatic laser marking machine, the three carrying arms are adopted for carrying out carrying work when the full-automatic laser marking machine carries out stacking feeding and discharging, unmarked lead frames, lead frame partition paper and marked lead frames are carried respectively, the three carrying arms work independently and are staggered with one another, manual intervention is reduced in the operation process, the situation that stacked partition paper is carried is avoided, and the equipment stability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of marking machines, in particular to a full-automatic laser marking machine. Background Art

[0002] In the semiconductor packaging and testing industry, in the back-end process, before attaching a chip to a lead frame, it is necessary to print a two-dimensional code on the lead frame border as Figure 10 shown. Generally, a red laser head or a green laser head is used to mark the lead frame stacked and loaded. Usually, the stacked loading cartridge contains unmarked lead frames and separator papers. After marking, the equipment needs to separate the marked lead frames with separator papers and then transport them to the stacked unloading cartridge.

[0003] For this handling method of stacked loading and unloading laser marking, the full-automatic laser marking machines on the market often use a handling arm in the stacked loading area to transport the unmarked lead frames in the stacked loading cartridge to the marking transmission track, and then transport the separator papers in the stacked loading cartridge to the separator paper stacking box in the loading area; a handling arm in the stacked unloading area transports the separator papers in the separator paper stacking box in the unloading area to the stacked unloading cartridge, and then transports the marked lead frames to the stacked unloading cartridge.

[0004] In the above patent documents and the prior art, there is a problem that the handling method of stacked loading and unloading requires manual replacement of the full separator paper stacking box in the loading area to the unloading area, which increases the labor operation cost. Moreover, during the process of the handling arm in the unloading area transporting the stacked separator papers in the separator paper stacking box to the stacked unloading cartridge, since the separator papers are stacked, static electricity is easily generated, and there is a high probability that the next layer of separator paper will be lifted, which may cause the equipment to shut down and affect the working efficiency. Summary of the Utility Model

[0005] The purpose of the utility model is to solve the disadvantages of easy generation of static electricity during the taking of separator papers and cumbersome steps and difficult operation during the handling process in the prior art, and to propose a full-automatic laser marking machine.

[0006] To achieve the above purpose, the utility model adopts the following technical scheme: a full-automatic laser marking machine, including a base and a laser marking mechanism. The laser marking mechanism is arranged on the top surface of the base. On both sides of the laser marking mechanism, there are respectively a lead frame suction and handling mechanism and a marked lead frame handling mechanism, and the lead frame suction and handling mechanism and the marked lead frame handling mechanism have the same structure. On one side of the front of the laser marking machine, there is a stacked cartridge mechanism, and on the other side of the front of the laser marking machine, there is a lead frame separator paper handling mechanism. The bottom surfaces of the stacked cartridge mechanism and the lead frame separator paper handling mechanism are both bolted to the top surface of the base. There is a track transmission mechanism between the stacked cartridge mechanism and the laser marking mechanism.

[0007] Preferably, the stacked cassette mechanism includes a stacked cassette workbench and aluminum profiles. The bottom surface of the stacked cassette workbench is provided with workbench pads. On the top surface of the stacked cassette workbench, there are successively arranged an unmarked lead frame storage box, a lead frame separator paper storage box, and a marked lead frame storage box. At the edges of the unmarked lead frame storage box, the lead frame separator paper storage box, and the marked lead frame storage box, there are storage box limit blocks. At the abutting position between the unmarked lead frame storage box and the lead frame separator paper storage box, there is a brush mounting seat. The surface of the brush mounting seat is provided with a brush body. On one side of the stacked cassette workbench close to the track transmission mechanism, there is an aluminum profile, and the aluminum profile is located corresponding to the position of the brush mounting seat. At the position close to the top end of the surface of the aluminum profile, there is a color sensor mounting base. The surface of the color sensor mounting base is bolted with a color sensor rotation adjustment bracket. The surface of the color sensor rotation adjustment bracket is provided with a color sensor body.

[0008] Preferably, the track transmission mechanism includes a mobile track and a main body of the material pushing component. Upper and lower feeding press wheel assemblies are respectively arranged at two ends of the mobile track. A circular belt main body is arranged on the surface between the upper and lower feeding press wheel assemblies. Circular belt groove blocks are arranged at positions corresponding to the circular belt main body on the inner wall of the mobile track. A first AC motor and a second AC motor connected to the circular belt main body are respectively arranged outside the mobile track. Ball screw rods connected to the mobile track are arranged on the output shafts of the first AC motor and the second AC motor. A track servo motor is arranged on the side of the first AC motor. A first bearing seat is arranged at the end of the output shaft of the track servo motor. A bearing is connected to the surface of the first bearing seat. A guide shaft support column is arranged on the side of the first bearing seat close to the first AC motor. A second bearing seat is arranged on the side of the second AC motor. A bearing is arranged on the surface of the second bearing seat. A synchronous belt idler is arranged on the outer surface of the mobile track. A synchronous belt main body is arranged at the bottom of the synchronous belt idler, and both ends of the synchronous belt main body are sleeved on the surface of the bearing. An electrostatic removal device is arranged outside the synchronous belt main body. A first Y-direction positioning component and a second Y-direction positioning component are arranged on the surface of the mobile track close to the first AC motor. A first photoelectric sensor, a second photoelectric sensor and a third sensor are sequentially arranged on the surface of the mobile track far from the first AC motor. A sensor bracket is arranged at a position corresponding to the lower feeding press wheel assembly, and a first photoelectric sensor is arranged on the surface of the sensor bracket. A main body of the material pushing component is arranged inside the mobile track. A first limit component is arranged on the side of the main body of the material pushing component. A marking X-direction positioning component is arranged inside the mobile track. A jacking support plate component and a second limit component are respectively arranged on both sides of the marking X-direction positioning component. A code reader is arranged on the top of the second limit component. A track guide shaft is arranged between the inner walls of the mobile track. A support rod bracket is arranged at one end of the mobile track close to the upper feeding press wheel assembly. An upper feeding press wheel driving cylinder is arranged at the bottom of the upper feeding press wheel assembly. A fixed track is arranged inside the mobile track, and the bottom surface of the fixed track is bolted to the surface of the base. A light source is arranged at one end of the mobile track close to the third photoelectric sensor. A third limit component is arranged on the side of the light source. A camera is arranged on the top of the light source. A support rod main body is arranged inside the mobile track.

[0009] Preferably, the main body of the material pushing assembly includes a material pushing cylinder and a base of the material pushing assembly. On one side of the top surface of the base of the material pushing assembly, there is a first cylinder mounting pad. On the other side of the top surface of the base of the material pushing assembly, there is a main body of a linear guide rail for material pushing. Horizontally arranged on the top surface of the first cylinder mounting pad is the material pushing cylinder. At the end of the material pushing cylinder, there is a first cylinder floating joint. Connected to the side of the first cylinder floating joint is a mounting seat for the material pushing rod. Fixed to the bottom surface of the mounting seat for the material pushing rod is a slider of the linear guide rail for material pushing, and the slider of the linear guide rail for material pushing is slidably connected to the surface of the main body of the linear guide rail for material pushing. On one side of the surface of the mounting seat for the material pushing rod close to the material pushing cylinder, there is a second groove-shaped photoelectric sensor. On the other side of the surface of the mounting seat for the material pushing rod, there is a main body of the material pushing rod. On the surface of the main body of the material pushing rod, there is a resistance alarm spring. At the end of the main body of the material pushing rod, there is a material pushing head. On the bottom surface of the base of the material pushing assembly, there is a second cylinder mounting pad. At the bottom of the second cylinder mounting pad, there is a lifting cylinder for material pushing.

[0010] Preferably, the first limit component, the second limit component and the third limit component have the same structure. The first limit component includes a frame limit block and a signal flag. On the bottom surface of the frame limit block, there is a stop fixing block. Symmetrically arranged on both sides of the bottom surface of the stop fixing block are linear bearings. On the bottom surface of the linear bearings, there is a limit lifting bracket. At the bottom of the limit lifting bracket, there is a guide shaft for the limit block. On the surface of the guide shaft for the limit block, there is a limit spring. On the surface of the stop fixing block, there is a signal flag. At the bottom of the stop fixing block, there is a third groove-shaped photoelectric sensor. At the bottom of the third groove-shaped photoelectric sensor, there is a limit cylinder.

[0011] Preferably, the X-direction positioning component for marking includes a mounting seat for the electric translation mechanism and a mounting plate for the lifting and translation mechanism, and the mounting plate for the lifting and translation mechanism is vertically mounted on the bottom surface of the mounting seat for the electric translation mechanism. On one side of the top surface of the mounting seat for the electric translation mechanism, there is a motor mounting seat. Horizontally arranged on one side of the motor mounting seat is a stepping motor. The output shaft of the stepping motor passes through the motor mounting seat and is connected with a coupling. Connected to the end of the coupling is a screw bearing seat. Connected to the side of the screw bearing seat is a screw cover. On the side of the screw cover, there is a slider of the linear guide rail for the nut seat, and the bottom surface of the slider of the linear guide rail for the nut seat abuts against the top surface of the mounting seat for the electric translation mechanism. On the top surface of the slider of the linear guide rail for the nut seat, there is a main body of the nut seat. Vertically engaged on one side of the surface of the main body of the nut seat is a marking limit plate. On the surface of the mounting plate for the lifting and translation mechanism, there is a main body of the linear guide rail for the limit plate. Slidably connected to the surface of the main body of the linear guide rail for the limit plate is a slider of the linear guide rail for the limit plate. Bolted between the mounting seat for the electric translation mechanism and the slider of the linear guide rail for the limit plate is a connecting plate for the lifting and translation mechanism. At the bottom of the connecting plate for the lifting and translation mechanism, there is a driving cylinder for the limit plate. At the end of the driving cylinder for the limit plate, there is a second cylinder floating joint. Connected to the end of the second cylinder floating joint is a cylinder push plate, and the top surface of the cylinder push plate is bolted to the bottom surface of the slider of the linear guide rail for the limit plate.

[0012] Preferably, the lead frame picking and handling mechanism includes a module support pillar and a Y-direction handling module. A drag chain support plate is provided on the back of the Y-direction handling module. A drag chain support plate is provided on the top surface of the drag chain support plate. A Y-direction drag chain is provided on the surface of the drag chain support plate. A handling Y-direction slider is slidably connected to the surface of the Y-direction handling module. A reinforcing rib is provided on the bottom surface of the handling Y-direction slider. A Y-direction servo motor connected to the handling Y-direction slider is provided at the end of the Y-direction handling module. A first Z-direction module mounting plate is connected to the end of the handling Y-direction slider. A first Z-direction handling module is bolted to the surface of the first Z-direction module mounting plate. A lifting mechanism slider is slidably connected to the surface of the first Z-direction handling module. A first drag chain support is provided on the surface of the first Z-direction module mounting plate. A second drag chain support is bolted to the surface of the lifting mechanism slider near the top. A Z-direction drag chain is provided between the first drag chain support and the second drag chain support. A first Z-direction servo motor connected to the lifting mechanism slider is provided at the top of the first Z-direction handling module. A first vacuum digital display is provided on the surface of the lifting mechanism slider. A first vacuum splitter is provided at the bottom of the first vacuum digital display. A transfer plate is provided on the surface of the lifting mechanism slider. A vacuum generator is provided at the bottom of the lifting slider mechanism. A suction cup mounting plate bracket is provided on one side of the surface of the lifting mechanism slider. A nozzle linear guide is connected to the bottom of the suction cup mounting plate bracket. A fixed-end frame suction cup mounting plate is provided at one end of the bottom of the nozzle linear guide near the suction cup mounting plate bracket. A mobile-end frame suction cup mounting plate is slidably provided at the other end of the bottom of the nozzle linear guide. A frame nozzle parallel distance adjustment slider is slidably connected to the top surface of the nozzle linear guide, and the bottom surface of the frame nozzle parallel distance adjustment slider is connected to the top surface of the mobile-end frame suction cup mounting plate. A straight thread knob is provided on the top surface of the frame nozzle parallel distance adjustment slider. A first probe limit block is provided on one side of the surface of the fixed-end frame suction cup mounting plate. A first groove-shaped photoelectric is provided on the side surface of the first probe limit block. A frame vacuum nozzle is provided on the surface of the mobile-end frame suction cup mounting plate.

[0013] Preferably, the lead frame separator handling mechanism includes an X-direction handling module and an X-direction drag chain. A second Z-direction module mounting plate is slidably connected to the front of the X-direction handling module. An X-direction servo motor connected to the second Z-direction module mounting plate is provided at the end of the X-direction handling module. A Z-direction mounting slider is bolted to the surface of the second Z-direction module mounting plate. A wire groove cover plate is provided on the surface of the Z-direction mounting slider. A second Z-direction handling module is slidably connected to the side of the Z-direction mounting slider. A second Z-direction servo motor connected to the second Z-direction handling module is provided at the bottom end of the Z-direction mounting slider. A third drag chain support is bolted to the top end of the second Z-direction handling module. An X-direction drag chain is screw-connected to the top surface of the third drag chain support. A vacuum gauge mounting panel is provided on the surface of the Z-direction mounting slider. A second vacuum digital display is provided on the surface of the vacuum gauge mounting panel. A panel support plate is provided on the side of the vacuum gauge mounting panel. A second vacuum flow splitter is provided on the top surface of the vacuum gauge mounting panel. A fixed-end separator suction cup mounting plate is provided on the side of the second vacuum flow splitter. A movable-end separator suction cup mounting plate is provided at a parallel position to the fixed-end separator suction cup mounting plate. A separator suction nozzle parallel distance adjustment slider is slidably provided on the surface of the movable-end separator suction cup mounting plate, and the bottom surface of the separator suction nozzle parallel distance adjustment slider is slidably connected to the surface of the fixed-end separator suction cup mounting plate. A separator vacuum suction nozzle is provided on the surface of the movable-end separator suction cup mounting plate. A second probe limiting block is provided on the surface of the fixed-end separator suction cup mounting plate. A fourth groove-shaped photoelectric sensor is provided on the side of the second probe limiting block.

[0014] Preferably, the laser marking mechanism includes a light-shielding cover and a cover. The cover is provided on the top surface of the light-shielding cover. A red laser head is connected to the top surface of the cover. An ion air duct is provided inside the cover and is connected to the track transmission mechanism. A lifting support plate assembly and a two-point pressing plate are provided inside the cover. An air extraction port is opened on the side of the cover. A fourth photoelectric sensor is provided at a position near the air extraction port of the cover.

[0015] Beneficial effects

[0016] In this utility model, the surface of the base is used to store the unmarked lead frames, marked lead frames and separator papers of the lead frames through a stacked cartridge mechanism. The unmarked lead frames, separator papers of the lead frames and marked lead frames are respectively transported by setting a lead frame suction and handling mechanism, a lead frame separator paper handling mechanism and a marked lead frame handling mechanism. The laser marking mechanism is used for marking treatment, so that three handling arms are used for handling work during the stacked loading and unloading of this full-automatic laser marking machine, respectively handling the unmarked lead frames, separator papers of the lead frames and marked lead frames. When this equipment runs, the lead frame suction and handling mechanism in the loading area transports the unmarked lead frames in the stacked loading cartridge to the loading position of the marking track transmission mechanism. The lead frame separator paper handling mechanism transports the separator papers in the stacked loading cartridge in the loading area to the stacked unloading cartridge in the unloading area. The marked lead frame handling mechanism in the unloading area transports the marked lead frames at the unloading position of the marking track transmission mechanism to the inside of the stacked cartridge mechanism in the unloading area. The three handling arms work independently and intersect with each other, reducing manual intervention during the operation process and avoiding handling and stacking the separator papers, thus increasing the equipment stability. Description of the Drawings

[0017] Figure 1 It is a three-dimensional structure diagram of the surface of the base of this utility model;

[0018] Figure 2 It is a structure diagram of the stacked cartridge mechanism of this utility model;

[0019] Figure 3 It is a structure diagram of the lead frame suction and handling mechanism of this utility model;

[0020] Figure 4 It is a structure diagram of the track transmission mechanism of this utility model;

[0021] Figure 5 It is a structure diagram of the main body of the pusher assembly of this utility model;

[0022] Figure 6 It is a structure diagram of the first limit assembly of this utility model;

[0023] Figure 7 It is a structure diagram of the marking X-direction positioning assembly of this utility model;

[0024] Figure 8 It is a structure diagram of the lead frame separator paper handling mechanism of this utility model;

[0025] Figure 9 It is a structure diagram of the laser marking mechanism of this utility model;

[0026] Figure 10 It is a schematic diagram of the surface processing between semiconductor package tests and attached chips of this utility model.

[0027] Legend:

[0028] 1. Stacked Loading Box Mechanism; 101. Workbench Pad; 102. Stacked Loading Box Workbench; 103. Unmarked Lead Frame Storage Box; 104. Storage Box Limit Block; 105. Brush Body; 106. Brush Mounting Base; 107. Marked Lead Frame Storage Box; 108. Lead Frame Separator Paper Storage Box; 109. Aluminum Profile; 1010. Color Sensor Mounting Base; 1011. Color Sensor Rotating Adjustment Bracket; 1012. Color Sensor Body; 2. Lead Frame Suction and Handling Mechanism; 201. Module Support Pillar; 202. Y-direction Handling Module; 203. Drag Chain Support Plate; 204. Y-direction Drag Chain; 205. Drag Chain Support Plate; 206. Handling Y-direction Slide Block; 207. Reinforcing Rib; 208. First Drag Chain Bracket; 209. First Z-direction Module Mounting Plate; 210. First Z-direction Handling Module; 211. First Z-direction Servo Motor; 212. Z-direction Drag Chain; 213. Lifting Mechanism Slide Block; 214. Y-direction Servo Motor; 215. Second Drag Chain Bracket; 216. First Vacuum Digital Display; 217. First Vacuum Manifold; 218. Adapter Plate; 219. Vacuum Generator; 220. First Probe Limit Block; 221. Nozzle Linear Guide; 222. First Groove Type Photoelectric Sensor; 223. Straight Thread Knob; 224. Frame Vacuum Suction Nozzle; 225. Frame Suction Nozzle Parallel Distance Adjustment Slide Block; 226. Mobile End Frame Suction Cup Mounting Plate; 227. Fixed End Frame Suction Cup Mounting Plate; 3. Track Transmission Mechanism; 301. Mobile End Track; 302. First AC Motor; 303. First Y-direction Positioning Component; 304. Guide Shaft Support Pillar; 305. Track Servo Motor; 306. First Bearing Block; 307. Second Y-direction Positioning Component; 308. Electrostatic Removal Device; 309. Synchronous Belt Idler Pulley; 310. Synchronous Belt Body; 311. Second Bearing Block; 312. Second AC Motor; 313. Discharge Pressure Roller Assembly; 314. First Photoelectric Sensor; 315. Sensor Bracket; 316. Pusher Assembly Body; 317. Second Photoelectric Sensor; 318. First Limit Component; 319. Support Rod Body; 320. Round Belt Groove Block; 321. Track Guide Shaft; 322. Reader; 323. Second Limit Component; 324. Marking X-direction Positioning Component; 325. Lifting Support Plate Assembly; 326. Camera; 327. Third Limit Component; 328. Light Source; 329. Third Photoelectric Sensor; 330. Fixed End Track; 331. Ball Screw; 332. Round Belt Body; 333. Loading Pressure Roller Assembly; 334. Support Rod Bracket; 335. Loading Pressure Roller Driving Cylinder; 31601. Pusher Cylinder; 31602. First Cylinder Mounting Pad; 31603. Pusher Assembly Base; 31604. Second Cylinder Mounting Pad; 31605. Pusher Lifting Cylinder; 31606. First Cylinder Floating Joint; 31607. Second Groove Type Photoelectric Sensor; 31608. Pusher Rod Mounting Base; 31609. Pusher Rod Body; 31610. Resistance Alarm Spring; 31611. Pusher Head31612. Pushing material linear guide slider; 31613. Pushing material linear guide body; 31801. Frame limit block; 31802. Linear bearing; 31803. Limit lifting bracket; 31804. Limit block guide shaft; 31805. Limit spring; 31806. Signal flag; 31807. Stop fixed block; 31808. Third groove type photoelectric; 31809. Limit cylinder; 32401. Marking limit plate; 32402. Nut seat body; 32403. Nut seat linear guide slider; 32404. Electric translation mechanism mounting seat; 32405. Lifting and translation mechanism connecting plate; 32406. Lifting and translation mechanism mounting plate; 32407. Limit plate driving cylinder; 32408. Second cylinder floating joint; 32409. Cylinder push plate; 32410. Lead screw cover; 32411. Lead screw bearing seat; 32412. Coupling; 32413. Motor mounting seat; 32414. Stepper motor; 32415. Limit plate linear guide slider; 32416. Limit plate linear guide body; 4. Lead frame separator handling mechanism; 401. X-direction handling module; 402. X-direction drag chain; 403. Second probe limit block; 404. Fourth groove type photoelectric; 405. Mobile end separator suction cup mounting plate; 406. Separator nozzle parallel distance adjustment slider; 407. Fixed end separator suction cup mounting plate; 408. Separator vacuum suction nozzle; 409. Second Z-direction module mounting plate; 410. X-direction servo motor; 411. Second vacuum splitter; 412. Second vacuum digital display; 413. Vacuum gauge mounting panel; 414. Panel support plate; 415. Z-direction mounting slider; 416. Cable trough cover plate; 417. Third drag chain bracket; 418. Second Z-direction handling module; 419. Second Z-direction servo motor; 5. Laser marking mechanism; 501. Red light laser head; 502. Mask cover; 503. Light shield; 504. Ion air duct; 505. Two-point pressure plate; 506. Lifting support plate assembly; 507. Fourth photoelectric sensor; 508. Air extraction port; 6. Marked lead frame handling mechanism; 628. Suction cup mounting plate bracket; 7. Base.; Detailed implementation manners

[0029] In order to make the technical means, creative features, achieved purposes and functions of the present utility model easy to understand, the present utility model will be further described below in conjunction with specific embodiments and the drawings. However, the following embodiments are only the preferred embodiments of the present utility model and not all of them. Based on the embodiments in the implementation manners, other embodiments obtained by those skilled in the art without creative efforts all fall within the protection scope of the present utility model.

[0030] The specific embodiments of the present utility model will be described below in conjunction with the drawings. Specific Embodiment 1:

[0032] Refer to Figures 1-10, A fully automatic laser marking machine, comprising a base 7 and a laser marking mechanism 5. The top surface of the base 7 is provided with the laser marking mechanism 5. On both sides of the laser marking mechanism 5, there are respectively a lead frame suction and handling mechanism 2 and a marked lead frame handling mechanism 6, and the lead frame suction and handling mechanism 2 and the marked lead frame handling mechanism 6 have the same structure. On one side of the front of the laser marking machine, there is a stacked material box mechanism 1, and on the other side of the front of the laser marking machine, there is a lead frame separator paper handling mechanism 4. The bottom surfaces of both the stacked material box mechanism 1 and the lead frame separator paper handling mechanism 4 are bolted to the top surface of the base 7. There is a track transmission mechanism 3 between the stacked material box mechanism 1 and the laser marking mechanism 5. The surface of the base 7 stores the unmarked lead frames, the marked lead frames, and the separator paper of the lead frames through the stacked material box mechanism 1, and the unmarked lead frames, the separator paper of the lead frames, and the marked lead frames are respectively transported by setting the lead frame suction and handling mechanism 2, the lead frame separator paper handling mechanism 4, and the marked lead frame handling mechanism 6, and are processed by the laser marking mechanism. When the fully automatic laser marking machine performs stacked loading and unloading, three handling arms are used for handling work, respectively handling the unmarked lead frames, the separator paper of the lead frames, and the marked lead frames. When the equipment operates, the lead frame suction and handling mechanism 2 in the loading area transports the unmarked lead frames in the stacked loading material box to the loading position of the marking track transmission mechanism 3. The lead frame separator paper handling mechanism 4 transports the separator paper in the stacked loading material box in the loading area to the stacked unloading material box in the unloading area. The marked lead frame handling mechanism 6 in the unloading area transports the marked lead frames at the unloading position of the marking track transmission mechanism 3 into the stacked material box mechanism 1 in the unloading area. The three handling arms work independently and stagger each other, reducing manual intervention during the operation process and avoiding handling the stacked separator paper, increasing the stability of the equipment.

[0033] The stacked loading box mechanism 1 includes a stacked loading box workbench 102 and aluminum profiles 109. The bottom surface of the stacked loading box workbench 102 is provided with workbench pads 101, and the stacked loading box workbench 102 is lifted by the workbench pads 101. Different height pads can be replaced for different specifications of storage boxes to meet the handling requirements. The top surface of the stacked loading box workbench 102 is successively provided with an unmarked lead frame storage box 103, a lead frame separator paper storage box 108, and a marked lead frame storage box 107. Storage box limit blocks 104 are provided at the edges of the unmarked lead frame storage box 103, the lead frame separator paper storage box 108, and the marked lead frame storage box 107. The stacked loading box workbench 102 bears and fixes the storage box, and different specifications of storage boxes can be compatible and fixed by adjusting the installation position of the storage box limit blocks 104. The unmarked lead frame storage box 103 is used for stacking and storing lead frames that need to be marked. The lead frame separator paper storage box 108 is used for storing the excess separator paper in the unmarked lead frame storage box 103. The marked lead frame storage box 107 is used for stacking and storing the lead frames that have been marked. A brush mounting seat 106 is provided at the abutting position between the unmarked lead frame storage box 103 and the lead frame separator paper storage box 108. The surface of the brush mounting seat 106 is provided with a brush body 105, and the brush body 105 will brush off the lead frame separator paper adhered during the handling of the lead frame. On one side of the stacked loading box workbench 102 close to the track transmission mechanism 3, there is an aluminum profile 109, and the aluminum profile 109 is located corresponding to the position of the brush mounting seat 106. A color sensor mounting base 1010 is provided on the surface of the aluminum profile 109 near the top. A color sensor rotation adjustment bracket 1011 is bolted to the surface of the color sensor mounting base 1010. A color sensor body 1012 is provided on the surface of the color sensor rotation adjustment bracket 1011. When the green laser head is performing the marking work, the color sensor body 1012 detects whether the lead frame handling mechanism sucks a lead frame or a separator paper from the storage box.

[0034] The track transmission mechanism 3 includes a mobile track 301 and a pusher component body 316. At both ends of the mobile track 301, there are respectively a loading pressure wheel assembly 333 and a discharging pressure wheel assembly 313. When the Magazine unloader unloads materials, the discharging pressure wheel assembly 313 is used to flatten the marked lead frame during discharging. When the Magazine loader loads materials, the loading pressure wheel assembly 333 is used to flatten the lead frame during loading. A round belt body 332 is arranged on the surface between the loading pressure wheel assembly 333 and the discharging pressure wheel assembly 313. At the corresponding position of the inner wall of the mobile track 301 and the round belt body 332, there is a round belt groove block 320. Driven by the round belt body 332, the lead frames on both sides of the track are transmitted. The round belt groove block 320 plays a supporting role for the track transmission round belt body 332. On the outside of the mobile track 301, there are respectively a first AC motor 302 and a second AC motor 312 connected to the round belt body 332. By driving the round belt through the first AC motor 302 and the second AC motor 312, the round belts on both sides of the track can perform synchronous transmission movement. The output shafts of the first AC motor 302 and the second AC motor 312 are both provided with ball screws 331 connected to the mobile track 301. The ball screw is driven by the first AC motor 302 and the second AC motor 312. Through the screw nut, the mobile track 301 is driven to move. On the side of the first AC motor 302, there is a track servo motor 305. The movement of the mobile track 301 is driven by the track servo motor 305. At the end of the output shaft of the track servo motor 305, there is a first bearing seat 306. A bearing is connected to the surface of the first bearing seat 306. On one side of the first bearing seat 306 close to the first AC motor 302, there is a guide shaft support 304. On the side of the second AC motor 312, there is a second bearing seat 311. A bearing is arranged on the surface of the second bearing seat 311. On the outside surface of the mobile track 301, there is a synchronous belt idler 309. At the bottom of the synchronous belt idler 309, there is a synchronous belt body 310. And both ends of the synchronous belt body 310 are sleeved on the surface of the bearing. By connecting the synchronous belt wheels at both ends of the track through the synchronous belt body 310, the two ends of the mobile track 301 can perform synchronous adjustment movement. The synchronous belt idler 309 tightens the synchronous belt by adjusting the installation position. When the synchronous belt body 310 moves, it has a certain tension. On the outside of the synchronous belt body 310, there is an electrostatic removal device 308. By generating ionic wind through the electrostatic removal device 308 and connecting the ion wind rod to blow out, the surface static electricity is removed. On one side surface of the mobile track 301 close to the first AC motor 302, there are a first Y-direction positioning component 303 and a second Y-direction positioning component 307. The first Y-direction positioning component 303 is driven by a cylinder and a tension spring to perform Y-direction positioning on the marked lead frame at the position to be picked up and transported on the track transmission mechanism 3. The second Y-direction positioning component 307 is driven by a cylinder and a tension spring to perform Y-direction positioning on the lead frame at the marking position.On one side surface of the mobile track 301 away from the first AC motor 302, a first photoelectric sensor 314, a second photoelectric sensor 317 and a third sensor are successively arranged. The first photoelectric sensor 314 is used to detect whether there is a labeled lead frame at the discharge port when the Magazine blanking machine discharges materials. The second photoelectric sensor 317 is used to detect whether there is a labeled lead frame at the position to be sucked and transported on the track transmission mechanism 3. The third sensor is used to detect whether there is a lead frame at the positive and negative detection position on the track transmission mechanism 3. A sensor bracket 315 is arranged at the relative position of the discharge pressure wheel assembly 313, and the first photoelectric sensor 314 is arranged on the surface of the sensor bracket 315. A pusher component main body 316 is arranged inside the mobile track 301. When the Magazine blanking machine discharges materials, the pusher component main body 316 pushes the labeled lead frame at the discharge port into the Magazine of the blanking machine. A first limiting component 318 is arranged on the side surface of the pusher component main body 316, and the first limiting component 318 limits the labeled lead frame at the position to be sucked and transported on the track transmission mechanism 3. A marking X-direction positioning component 324 is arranged inside the mobile track 301, and the marking X-direction positioning component 324 performs X-direction positioning on the lead frame at the marking position. A lifting support plate component 325 and a second limiting component 323 are respectively arranged on both sides of the marking X-direction positioning component 324. The lifting support plate component 325 is driven by a cylinder to realize the lifting movement of the lead frame support plate at the marking position. The first limiting component 318 limits the labeled lead frame at the code reading position on the track transmission mechanism 3. A code reader 322 is arranged on the top of the second limiting component 323, and the code reader 322 reads the two-dimensional code on the labeled lead frame of the track transmission mechanism 3. A track guiding shaft 321 is arranged between the inner walls of the mobile track 301, and the track guiding shaft 321 guides the position adjustment movement of the mobile track 301. A support rod bracket 334 is arranged at one end of the mobile track 301 close to the loading pressure wheel assembly 333. An upper loading pressure wheel driving cylinder 335 is arranged at the bottom of the loading pressure wheel assembly 333, and the upper loading pressure wheel driving cylinder 335 opens the pressure wheel at the loading position to facilitate loading. A fixed-end track 330 is arranged inside the mobile track 301, and the bottom surface of the fixed-end track 330 is bolted to the surface of the base 7. A light source 328 is arranged at one end of the mobile track 301 close to the third photoelectric sensor 329. A third limiting component 327 is arranged on the side surface of the light source 328, and the third limiting component 327 limits the lead frame at the positive and negative detection position on the track transmission mechanism 3. A camera 326 is arranged on the top of the light source 328. A support rod main body 319 is arranged inside the mobile track 301. The light source 328 provides illumination light for the camera 326, and the camera 326 is used to detect the positive and negative of the lead frame on the track transmission mechanism 3.,

[0035] The main body 316 of the pusher component includes a pusher cylinder 31601 and a pusher component base 31603. On one side of the top surface of the pusher component base 31603, there is a first cylinder mounting pad 31602. The pusher component base 31603 bears the entire main body 316 of the pusher component and is installed and fixed on the large base plate. On the other side of the top surface of the pusher component base 31603, there is a main body 31613 of the pusher linear guide. On the horizontal top surface of the first cylinder mounting pad 31602, there is a pusher cylinder 31601. The pusher movement of the main body 316 of the pusher component is realized through the pusher cylinder 31601. At the end of the pusher cylinder 31601, there is a first cylinder floating joint 31606. On the side of the first cylinder floating joint 31606, there is a pusher rod mounting seat 31608. On the bottom surface of the pusher rod mounting seat 31608, there is a fixed pusher linear guide slider 31612, and the pusher linear guide slider 31612 is slidably connected to the surface of the main body 31613 of the pusher linear guide. On one side of the surface of the pusher rod mounting seat 31608 close to the pusher cylinder 31601, there is a second groove-shaped photoelectric sensor 31607. Through the second groove-shaped photoelectric sensor 31607, the resistance alarm signal during the pusher movement of the main body 316 of the pusher component is detected. On the other side of the surface of the pusher rod mounting seat 31608, there is a pusher rod main body 31609. On the surface of the pusher rod main body 31609, there is a resistance alarm spring 31610. At the end of the pusher rod main body 31609, there is a pusher head 31611. The pusher rod main body 31609 is fixed on the pusher linear guide slider 31612, and components such as the pusher rod main body 31609 and the pusher head 31611 are installed and fixed. The pusher rod main body 31609 fixes the pusher head 31611 and can move smoothly in the linear bearing 31802. The pusher head 31611 is fixed on the pusher rod main body 31609 and directly contacts the marked lead frame for pushing. On the bottom surface of the pusher component base 31603, there is a second cylinder mounting pad 31604. At the bottom of the second cylinder mounting pad 31604, there is a pusher lifting cylinder 31605. The lifting movement of the main body 316 of the pusher component is realized through the pusher lifting cylinder 31605.

[0036] The first limit component 318, the second limit component 323 and the third limit component 327 have the same structure. The first limit component 318 includes a frame limit block 31801 and a signal flag 31806. The frame limit block 31801 limits the lead frame on the track transmission mechanism 3. The signal flag 31806 provides a signal for the lifting operation of the limit block. A stop fixing block 31807 is provided on the bottom surface of the frame limit block 31801. Linear bearings 31802 are symmetrically provided on both sides of the bottom surface of the stop fixing block 31807. The stop fixing piece installs and fixes the frame limit block 31801 and the limit block guide shaft 31804, and is fixed on the limit lifting bracket 31803 through the linear bearings 31802. The guide shaft can move smoothly in the linear bearings 31802. A limit lifting bracket 31803 is provided on the bottom surface of the linear bearing 31802. A limit block guide shaft 31804 is provided at the bottom of the limit lifting bracket 31803. The limit block guide shaft 31804 guides the lifting movement of the frame limit block 31801. A limit spring 31805 is provided on the surface of the limit block guide shaft 31804. The limit spring 31805 causes the frame limit block 31801 to descend through its elastic force. A signal flag 31806 is provided on the surface of the stop fixing block 31807. A third groove-shaped photoelectric sensor 31808 is provided at the bottom of the stop fixing block 31807. A limit cylinder 31809 is provided at the bottom of the third groove-shaped photoelectric sensor 31808. The signal of the lifting movement of the frame limit block 31801 is detected through the third groove-shaped photoelectric sensor 31808.

[0037] The X-direction positioning component 324 for marking includes an electric translation mechanism mounting base 32404 and a lifting and translation mechanism mounting plate 32406. The lifting and translation mechanism mounting plate 32406 is vertically installed on the bottom surface of the electric translation mechanism mounting base 32404. On one side of the top surface of the electric translation mechanism mounting base 32404, there is a motor mounting base 32413. A stepping motor 32414 is horizontally arranged on one side of the motor mounting base 32413. The stepping motor 32414 drives the marking limit plate 32401 to perform a translation motion. The output shaft of the stepping motor 32414 passes through the motor mounting base 32413 and is connected with a coupling 32412. The end of the coupling 32412 is connected with a lead screw bearing seat 32411. A lead screw cover 32410 is connected to the side of the lead screw bearing seat 32411. A nut seat linear guide slider 32403 is arranged on the side of the lead screw cover 32410. The bottom surface of the nut seat linear guide slider 32403 abuts against the top surface of the electric translation mechanism mounting base 32404. A nut seat main body 32402 is arranged on the top surface of the nut seat linear guide slider 32403. A marking limit plate 32401 is vertically clamped on one side of the surface of the nut seat main body 32402. The lead frame at the marking position of the track transmission mechanism 3 is limited by the marking limit plate 32401. The nut seat main body 32402 is installed and fixed with a marking limit block and a lead screw nut, and is fixed on the nut seat linear guide slider 32403. A limit plate linear guide main body 32416 is arranged on the surface of the lifting and translation mechanism mounting plate 32406. A limit plate linear guide slider 32415 is slidably connected to the surface of the limit plate linear guide main body 32416. The limit plate linear guide slider 32415 is installed and fixed on the lifting and translation mechanism mounting plate 32406. A lifting and translation mechanism connecting plate 32405 is bolted between the electric translation mechanism mounting base 32404 and the limit plate linear guide slider 32415, and can smoothly move on the limit plate linear guide main body 32416. A limit plate driving cylinder 32407 is arranged at the bottom of the lifting and translation mechanism connecting plate 32405. Through the limit plate driving cylinder 32407, the lifting operation of the marking limit plate 32401 is realized. A second cylinder floating joint 32408 is arranged at the end of the limit plate driving cylinder 32407. A cylinder push plate 32409 is connected to the end of the second cylinder floating joint 32408. The top surface of the cylinder push plate 32409 is bolted to the bottom surface of the limit plate linear guide slider 32415.

[0038] The lead frame suction and handling mechanism 2 includes a module support column 201 and a Y-direction handling module 202. The Y-direction movement of the lead frame suction and handling mechanism 2 is achieved through the Y-direction handling module 202. A drag chain support plate 203 is provided on the back of the Y-direction handling module 202. A drag chain support plate 205 is provided on the top surface of the drag chain support plate 203. A Y-direction drag chain 204 is provided on the surface of the drag chain support plate 205. The Y-direction drag chain 204 is used for the cable routing of the Y-direction movement of the lead frame suction and handling mechanism 2. A handling Y-direction slider 206 is slidably connected to the surface of the Y-direction handling module 202. A reinforcing rib 207 is provided on the bottom surface of the handling Y-direction slider 206. Driven by a Y-direction servo motor 214, the handling Y-direction slider 206 drives the Z-direction handling module to move in the Y-direction. The handling Y-direction slider 206 is connected to the first Z-direction module mounting plate 209 through the reinforcing rib 207. A Y-direction servo motor 214 connected to the handling Y-direction slider 206 is provided at the end of the Y-direction handling module 202. The first Z-direction module mounting plate 209 is connected to the Z-direction handling module through bolting on its surface. Through the Z-direction handling module, the Z-direction movement of the lead frame suction and handling mechanism 2 is achieved. A lifting mechanism slider 213 is slidably connected to the surface of the Z-direction handling module. The lifting mechanism slider 213 is fixed on the first Z-direction handling module 210. It is connected to the fixed-end frame suction cup mounting plate 227 through a suction cup mounting plate bracket 628. A first drag chain bracket 208 is provided on the surface of the first Z-direction module mounting plate 209. A second drag chain bracket 215 is bolted near the top of the surface of the lifting mechanism slider 213. A Z-direction drag chain 212 is provided between the first drag chain bracket 208 and the second drag chain bracket 215. The Z-direction drag chain 212 is used for the cable routing of the Z-direction movement of the lead frame suction and handling mechanism 2. A first Z-direction servo motor 211 connected to the lifting mechanism slider 213 is provided at the top of the first Z-direction handling module 210. A first vacuum digital display 216 is provided on the surface of the lifting mechanism slider 213. A first vacuum diverter plate 217 is provided at the bottom of the first vacuum digital display 216. A transfer plate 218 is provided on the surface of the lifting mechanism slider 213. A vacuum generator 219 is provided at the bottom of the lifting slider mechanism. The suction cup vacuum adsorption value on the suction cup mounting plate is displayed through the first vacuum digital display 216. The vacuum air path coming out of the vacuum generator 219 is diverted through the first vacuum diverter plate 217. The circuit is transferred through the transfer plate 218 to facilitate cable routing. Through the vacuum generator 219, a negative pressure is generated in the air path to provide a vacuum air path for the suction cup. A suction cup mounting plate bracket 628 is provided on one side of the surface of the lifting mechanism slider 213. A nozzle linear guide 221 is connected to the bottom of the suction cup mounting plate bracket 628. A fixed-end frame suction cup mounting plate 227 is provided at one end of the bottom of the nozzle linear guide 221 close to the suction cup mounting plate bracket 628. A mobile-end frame suction cup mounting plate 226 is slidably provided at the other end of the bottom of the nozzle linear guide 221. A frame nozzle parallel distance adjustment slider 225 is slidably connected to the top surface of the nozzle linear guide 221.Moreover, the bottom surface of the frame nozzle parallel distance adjustment slider 225 is connected to the top surface of the mobile frame suction cup mounting plate 226. The frame nozzle parallel distance adjustment slider 225 enables the installation position of the mobile frame suction cup mounting plate 226 to be adjusted. A straight knurled knob 223 is provided on the top surface of the frame nozzle parallel distance adjustment slider 225. The frame nozzle parallel distance adjustment slider 225 is installed and fixed through the straight knurled knob 223 and can be quickly disassembled. The movement of the frame nozzle parallel distance adjustment slider 225 is guided by the nozzle linear guide 221. A first probe limit block 220 is provided on one side of the surface of the fixed-end frame suction cup mounting plate 227. The movement of the probe slider is limited by the first probe limit block 220. A first groove-shaped optoelectronic device 222 is provided on the side surface of the first probe limit block 220. The movement signal of the probe is detected by the first groove-shaped optoelectronic device 222. A frame vacuum nozzle 224 is provided on the surface of the mobile frame suction cup mounting plate 226. The frame vacuum nozzle 224 is connected to the vacuum air path to vacuum-adsorb the lead frame.

[0039] The lead frame separator paper handling mechanism 4 includes an X-direction handling module 401 and an X-direction drag chain 402. A second Z-direction module mounting plate 409 is slidably connected to the front of the X-direction handling module 401. An X-direction servo motor 410 connected to the second Z-direction module mounting plate 409 is provided at the end of the X-direction handling module 401. The X-direction movement of the lead frame separator paper handling mechanism 4 is achieved through the X-direction handling module 401. A Z-direction mounting slider 415 is bolted to the surface of the second Z-direction module mounting plate 409. The Z-direction mounting slider 415 is fixed on the slider of the second Z-direction handling module 418 and is connected to the fixed-end separator paper suction cup mounting plate 407 through a panel support plate 414. A wire groove cover plate 416 is provided on the surface of the Z-direction mounting slider 415 to protect the wire groove on the Z-direction mounting slider 415. A second Z-direction handling module 418 is slidably connected to the side of the Z-direction mounting slider 415. A second Z-direction servo motor 419 connected to the second Z-direction handling module 418 is provided at the bottom end of the Z-direction mounting slider 415. The Z-direction movement of the lead frame separator paper handling mechanism 4 is achieved through the second Z-direction servo motor 419 of the Z-direction handling module. A third drag chain support 417 is bolted to the top end of the second Z-direction handling module 418. The X-direction drag chain 402 is screw-connected to the top surface of the third drag chain support 417. The X-direction drag chain 402 is used for the cable routing of the X-direction movement of the lead frame separator paper handling mechanism 4. A vacuum gauge mounting panel 413 is provided on the surface of the Z-direction mounting slider 415. A second vacuum digital display 412 is provided on the surface of the vacuum gauge mounting panel 413. A panel support plate 414 is provided on the side of the vacuum gauge mounting panel 413. A second vacuum flow splitter 411 is provided on the top surface of the vacuum gauge mounting panel 413. A fixed-end separator paper suction cup mounting plate 407 is provided on the side of the second vacuum flow splitter 411. The second vacuum flow splitter 411 splits the vacuum air path coming out of the vacuum generator 219. The second vacuum digital display 412 displays the vacuum adsorption value of the suction cup on the suction cup mounting plate. The vacuum gauge mounting panel 413 mounts and fixes the second vacuum digital display 412. A movable-end separator paper suction cup mounting plate 405 is provided at a parallel position to the fixed-end separator paper suction cup mounting plate 407. A separator paper suction nozzle parallel distance adjustment slider 406 is slidably provided on the surface of the movable-end separator paper suction cup mounting plate 405, and the bottom surface of the separator paper suction nozzle parallel distance adjustment slider 406 is slidably connected to the surface of the fixed-end separator paper suction cup mounting plate 407. The separator paper suction nozzle parallel distance adjustment slider 406 can adjust the distance between the movable-end separator paper suction cup mounting plate 405 and the fixed-end separator paper suction cup mounting plate 407 through the sliding connection with the movable-end separator paper suction cup mounting plate 405 and the fixed-end separator paper suction cup mounting plate 407. A separator paper vacuum suction nozzle 408 is provided on the surface of the movable-end separator paper suction cup mounting plate 405. A second probe limit block 403 is provided on the surface of the fixed-end separator paper suction cup mounting plate 407 to limit the movement of the probe slider. A fourth groove-shaped photoelectric sensor 404 is provided on the side of the second probe limit block 403 to detect the movement signal of the probe.

[0040] The laser marking mechanism 5 includes a light-shielding cover 503 and a mask cover 502. The mask cover 502 is provided on the top surface of the light-shielding cover 503. The mask cover 502 is installed and fixed on the light-shielding cover 503 for convenient installation. During the marking process, the light-shielding cover 503 shields the marking position. A red laser head 501 is connected to the top surface of the mask cover 502. The red laser head 501 is used to mark the lead frame at the marking position on the track transmission mechanism 3. An ion air duct 504 is provided inside the mask cover 502, and the ion air duct 504 is connected to the track transmission mechanism 3. The ion air duct 504 is connected to an electrostatic removal device 308 to blow ion wind to eliminate static electricity at the marking position. A lifting support plate assembly 506 and a two-point pressing plate 505 are provided inside the mask cover 502. The lifting support plate assembly 506 is driven by a cylinder to realize the lifting movement of the lead frame support plate at the marking position. The two-point pressing plate 505 flattens the lead frame at the marking position of the track transmission mechanism 3. An air extraction port 508 is provided on the side surface of the mask cover 502. The air extraction port 508 is used to connect a blower to suck away debris generated during the marking process. A fourth photoelectric sensor 507 is provided near the air extraction port 508 of the mask cover 502. The fourth photoelectric sensor 507 is used to detect whether there is a lead frame at the marking position of the track transmission mechanism 3. Specific Embodiment 2:

[0042] Refer to Figures 1-10 , and further disclose the following technical solutions according to the content in Specific Embodiment 1:

[0043] The working process of the entire marking machine is as follows:

[0044] Step 1: The operator turns on the machine, installs and fixes the unmarked lead frame storage box 103, the lead frame separator paper storage box 108, and the marked lead frame storage box 107 on the stacked material box workbench 102, then closes the door and clicks the start button;

[0045] Step 2: The lead frame suction and handling mechanism 2 sucks and transports the lead frame in the unmarked lead frame storage box 103 to the track transmission mechanism 3. The first AC motor 302 and the second start, and the circular belt main body 332 starts to transport the lead frame until it is blocked by the third limit assembly 327 at the positive and negative detection position, and the positive and negative detection of the lead frame is performed through the third photoelectric sensor 329;

[0046] Step 3: The third limiting component 327 of the qualified lead frame will drop, and it will continue to be conveyed by the circular belt main body 332 to the marking position, where it will be blocked by the marking X-direction positioning component 324 at the marking position. Then, the lead frame support plate of the lifting support plate component 325 at the marking position will rise to support the lead frame. The second Y-direction positioning component 307 and the marking X-direction positioning component 324 will start to move to position the lead frame. Then, the laser marking mechanism 5 will work to mark the lead frame. During this period, the suction port 508 connected to the blower will start to work to suck away the debris on the lead frame generated by marking;

[0047] Step 4: After marking is completed, the lead frame support plate and the marking X-direction positioning component 324 will drop. The marked lead frame will continue to be conveyed by the circular belt main body 332 to the code reading position, where it will be blocked by the second limiting component 323 at the code reader 322. Then, the code reader 322 will read the two-dimensional code on the marked lead frame at the code reading position;

[0048] Step 5: After code reading is completed, the second limiting component 323 will drop. The marked lead frame will continue to be conveyed by the circular belt main body 332 to the position to be sucked and transported, where it will be blocked by the first limiting component 318 at this position. Then, the first Y-direction positioning component 303 at the position to be sucked and transported will perform Y-direction positioning on the marked lead frame staying here. Then, the marked lead frame handling mechanism 6 will suck and transport the marked lead frame into the marked lead frame storage box 107;

[0049] Step 6: After the lead frame handling mechanism 2 sucks and transports the lead frame in the unmarked lead frame storage box 103 away, the lead frame separator handling mechanism 4 will then suck and transport the separator in the unmarked lead frame storage box 103 into the marked lead frame storage box 107. If there is excess separator in the unmarked lead frame storage box 103, the lead frame separator handling mechanism 4 will suck and transport the excess separator to the lead frame separator storage box 108 for storage. This step is carried out synchronously with the steps after the above Step 2 and does not interfere with each other.

[0050] Step 7: After all the lead frames in the above unmarked lead frame storage box 103 have been handled and marked, take out each storage box on the stacked material box workbench 102, and repeat the above steps to continue working.

[0051] In summary:

[0052] The surface of the base 7 stores the unmarked lead frames, the marked lead frames, and the separator paper of the lead frames through the stacked magazine mechanism 1. The lead frame picking and handling mechanism 2, the lead frame separator paper handling mechanism 4, and the marked lead frame handling mechanism 6 are set to separately handle the unmarked lead frames, the separator paper of the lead frames, and the marked lead frames. The laser marking mechanism is used for marking processing, so that three handling arms are used for handling work during the stacked loading and unloading of this full-automatic laser marking machine, separately handling the unmarked lead frames, the separator paper of the lead frames, and the marked lead frames. When this equipment operates, the lead frame picking and handling mechanism 2 in the loading area transports the unmarked lead frames in the stacked loading magazine to the loading position of the marking track transmission mechanism 3. The lead frame separator paper handling mechanism 4 transports the separator paper in the stacked loading magazine in the loading area to the stacked unloading magazine in the unloading area. The marked lead frame handling mechanism 6 in the unloading area transports the marked lead frames at the unloading position of the marking track transmission mechanism 3 into the stacked magazine mechanism 1 in the unloading area. The three handling arms work independently and stagger each other, reducing manual intervention during the operation process and avoiding handling the stacked separator paper, increasing the equipment stability.

[0053] In the present utility model, unless otherwise clearly defined and limited, the first feature being "above" or "below" the second feature may include the direct contact between the first and second features, or may also include the situation where the first and second features are not in direct contact but in contact through other features therebetween. Moreover, the first feature being "above", "over", and "on" the second feature includes that the first feature is directly above and obliquely above the second feature, or merely indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature being "below", "under", and "beneath" the second feature includes that the first feature is directly below and obliquely below the second feature, or merely indicates that the horizontal height of the first feature is less than that of the second feature.

[0054] The above shows and describes the basic principles, main features, and advantages of the present utility model. Those skilled in the art of this industry should understand that the present utility model is not limited by the above embodiments. The above embodiments and the descriptions in the specification are only the preferred examples of the present utility model and are not used to limit the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents.

Claims

1. A fully automatic laser marking machine, comprising a base (7) and a laser marking mechanism (5), characterized in that: On the top surface of the base (7), there is a laser marking mechanism (5). On both sides of the laser marking mechanism (5), there are a lead frame suction and handling mechanism (2) and a marked lead frame handling mechanism (6) respectively. The lead frame suction and handling mechanism (2) and the marked lead frame handling mechanism (6) have the same structure. On one side of the front of the laser marking machine, there is a stacked cassette mechanism (1). On the other side of the front of the laser marking machine, there is a lead frame separator paper handling mechanism (4). The bottom surfaces of the stacked cassette mechanism (1) and the lead frame separator paper handling mechanism (4) are both bolted to the top surface of the base (7). There is an orbital transmission mechanism (3) between the stacked cassette mechanism (1) and the laser marking mechanism (5).

2. The fully automatic laser marking machine according to claim 1, wherein: The stacked cassette mechanism (1) includes a stacked cassette workbench (102) and an aluminum profile (109). On the bottom surface of the stacked cassette workbench (102), there are workbench pads (101). On the top surface of the stacked cassette workbench (102), there are an unmarked lead frame storage box (103), a lead frame separator paper storage box (108), and a marked lead frame storage box (107) in sequence. At the edges of the unmarked lead frame storage box (103), the lead frame separator paper storage box (108), and the marked lead frame storage box (107), there are storage box limit blocks (104). At the abutting position between the unmarked lead frame storage box (103) and the lead frame separator paper storage box (108), there is a brush mounting seat (106). On the surface of the brush mounting seat (106), there is a brush body (105). On one side of the stacked cassette workbench (102) close to the orbital transmission mechanism (3), there is an aluminum profile (109), and the aluminum profile (109) is located corresponding to the position of the brush mounting seat (106). Near the top end of the surface of the aluminum profile (109), there is a color sensor mounting base (1010). On the surface of the color sensor mounting base (1010), there is a bolted color sensor rotation adjustment bracket (1011). On the surface of the color sensor rotation adjustment bracket (1011), there is a color sensor body (1012).

3. A fully automatic laser marking machine according to claim 1, characterized in that: The described rail transmission mechanism (3) includes a mobile rail (301) and a pusher component main body (316). At both ends of the mobile rail (301), a loading pressure wheel assembly (333) and an unloading pressure wheel assembly (313) are respectively provided. Between the loading pressure wheel assembly (333) and the unloading pressure wheel assembly (313), a surface of a circular belt main body (332) is provided. At a position corresponding to the circular belt main body (332) on the inner wall of the mobile rail (301), a circular belt groove block (320) is provided. On the outer side of the mobile rail (301), a first AC motor (302) and a second AC motor (312) connected to the circular belt main body (332) are respectively provided. Output shafts of the first AC motor (302) and the second AC motor (312) are both provided with ball screws (331) connected to the mobile rail (301). On the side of the first AC motor (302), a rail servo motor (305) is provided. At the end of the output shaft of the rail servo motor (305), a first bearing seat (306) is provided. A bearing is connected to the surface of the first bearing seat (306). On one side of the first bearing seat (306) close to the first AC motor (302), a guide shaft support (304) is provided. On the side of the second AC motor (312), a second bearing seat (311) is provided. A bearing is provided on the surface of the second bearing seat (311). On the outer surface of the mobile rail (301), a synchronous belt idler pulley (309) is provided. At the bottom of the synchronous belt idler pulley (309), a synchronous belt main body (310) is provided, and both ends of the synchronous belt main body (310) are sleeved on the surface of the bearing. An electrostatic removal device (308) is provided on the outer side of the synchronous belt main body (310). On one side surface of the mobile rail (301) close to the first AC motor (302), a first Y-direction positioning component (303) and a second Y-direction positioning component (307) are provided. On one side surface of the mobile rail (301) away from the first AC motor (302), a first photoelectric sensor (314), a second photoelectric sensor (317) and a third sensor are sequentially provided. At a relative position of the unloading pressure wheel assembly (313), a sensor bracket (315) is provided, and a first photoelectric sensor (314) is provided on the surface of the sensor bracket (315). Inside the mobile rail (301), a pusher component main body (316) is provided. On the side of the pusher component main body (316), a first limiting component (318) is provided. Inside the mobile rail (301), a marking X-direction positioning component (324) is provided. On both sides of the marking X-direction positioning component (324), a lifting support plate component (325) and a second limiting component (323) are respectively provided. A code reader (322) is provided on the top of the second limiting component (323). Between the inner walls of the mobile rail (301), a rail guide shaft (321) is provided. At one end of the mobile rail (301) close to the loading pressure wheel assembly (333), a support rod bracket (334) is provided. At the bottom of the loading pressure wheel assembly (333), a loading pressure wheel driving cylinder (335) is provided.The mobile track (301) is internally provided with a fixed-end track (330), and the bottom surface of the fixed-end track (330) is bolted to the surface of the base (7). One end of the mobile track (301) close to the third photoelectric sensor (329) is provided with a light source (328). A third limiting component (327) is arranged on the side of the light source (328). A camera (326) is arranged on the top of the light source (328). A support rod main body (319) is arranged on the inner side of the mobile track (301).

4. An automatic laser marking machine according to claim 3, characterized in that: The main body (316) of the material pushing component includes a material pushing cylinder (31601) and a base (31603) of the material pushing component. On one side of the top surface of the base (31603) of the material pushing component, there is a first cylinder mounting pad (31602). On the other side of the top surface of the base (31603) of the material pushing component, there is a main body (31613) of a linear guide for material pushing. Horizontally arranged on the top surface of the first cylinder mounting pad (31602) is the material pushing cylinder (31601). At the end of the material pushing cylinder (31601), there is a first cylinder floating joint (31606). A material pushing rod mounting seat (31608) is connected to the side of the first cylinder floating joint (31606). Fixed to the bottom surface of the material pushing rod mounting seat (31608) is a slider (31612) of the linear guide for material pushing, and the slider (31612) of the linear guide for material pushing is slidably connected to the surface of the main body (31613) of the linear guide for material pushing. On one side of the surface of the material pushing rod mounting seat (31608) close to the material pushing cylinder (31601), there is a second groove-shaped photoelectric sensor (31607). On the other side of the surface of the material pushing rod mounting seat (31608), there is a main body (31609) of the material pushing rod. A resistance alarm spring (31610) is arranged on the surface of the main body (31609) of the material pushing rod. At the end of the main body (31609) of the material pushing rod, there is a material pushing head (31611). On the bottom surface of the base (31603) of the material pushing component, there is a second cylinder mounting pad (31604). At the bottom of the second cylinder mounting pad (31604), there is a material pushing lifting cylinder (31605).

5. An automatic laser marking machine according to claim 3, characterized in that: The first limit component (318), the second limit component (323), and the third limit component (327) have the same structure. The first limit component (318) includes a frame limit block (31801) and a signal flag (31806). On the bottom surface of the frame limit block (31801), there is a stop fixed block (31807). On both sides of the bottom surface of the stop fixed block (31807), linear bearings (31802) are symmetrically arranged. On the bottom surface of the linear bearings (31802), there is a limit lifting bracket (31803). At the bottom of the limit lifting bracket (31803), there is a limit block guide shaft (31804). A limit spring (31805) is arranged on the surface of the limit block guide shaft (31804). A signal flag (31806) is arranged on the surface of the stop fixed block (31807). At the bottom of the stop fixed block (31807), there is a third groove-shaped photoelectric sensor (31808). At the bottom of the third groove-shaped photoelectric sensor (31808), there is a limit cylinder (31809).

6. The fully automatic laser marking machine according to claim 3, wherein: The marking X-direction positioning component (324) includes an electric translation mechanism mounting base (32404) and a lifting and translation mechanism mounting plate (32406), and the lifting and translation mechanism mounting plate (32406) is vertically mounted on the bottom surface of the electric translation mechanism mounting base (32404). On one side of the top surface of the electric translation mechanism mounting base (32404), there is a motor mounting base (32413). Horizontally provided on one side of the motor mounting base (32413) is a stepping motor (32414). The output shaft of the stepping motor (32414) passes through the motor mounting base (32413) and is connected with a coupling (32412). The end of the coupling (32412) is connected with a lead screw bearing seat (32411). The side of the lead screw bearing seat (32411) is connected with a lead screw cover (32410). On the side of the lead screw cover (32410), there is a nut seat linear guide slider (32403), and the bottom surface of the nut seat linear guide slider (32403) abuts against the top surface of the electric translation mechanism mounting base (32404). On the top surface of the nut seat linear guide slider (32403), there is a nut seat main body (32402). Vertically engaged on one side of the surface of the nut seat main body (32402) is a marking limit plate (32401). On the surface of the lifting and translation mechanism mounting plate (32406), there is a limit plate linear guide main body (32416). Slidably connected to the surface of the limit plate linear guide main body (32416) is a limit plate linear guide slider (32415). Between the electric translation mechanism mounting base (32404) and the limit plate linear guide slider (32415), there is a bolted lifting and translation mechanism connecting plate (32405). At the bottom of the lifting and translation mechanism connecting plate (32405), there is a limit plate driving cylinder (32407). The end of the limit plate driving cylinder (32407) is provided with a second cylinder floating joint (32408). The end of the second cylinder floating joint (32408) is connected with a cylinder push plate (32409), and the top surface of the cylinder push plate (32409) is bolted to the bottom surface of the limit plate linear guide slider (32415).

7. An automatic laser marking machine according to claim 1, characterized in that: The lead frame suction and handling mechanism (2) includes a module support pillar (201) and a Y-direction handling module (202). A drag chain support plate (203) is provided on the back of the Y-direction handling module (202). A drag chain support plate (205) is provided on the top surface of the drag chain support plate (203). A Y-direction drag chain (204) is provided on the surface of the drag chain support plate (205). A handling Y-direction slider (206) is slidably connected to the surface of the Y-direction handling module (202). A reinforcing rib (207) is provided on the bottom surface of the handling Y-direction slider (206). A Y-direction servo motor (214) connected to the handling Y-direction slider (206) is provided at the end of the Y-direction handling module (202). A first Z-direction module mounting plate (209) is connected to the end of the handling Y-direction slider (206). A first Z-direction handling module (210) is bolted to the surface of the first Z-direction module mounting plate (209). A lifting mechanism slider (213) is slidably connected to the surface of the first Z-direction handling module (210). A first drag chain support (208) is provided on the surface of the first Z-direction module mounting plate (209). A second drag chain support (215) is bolted to the surface of the lifting mechanism slider (213) near the top end. A Z-direction drag chain (212) is provided between the first drag chain support (208) and the second drag chain support (215). A first Z-direction servo motor (211) connected to the lifting mechanism slider (213) is provided at the top end of the first Z-direction handling module (210). A first vacuum digital display (216) is provided on the surface of the lifting mechanism slider (213). A first vacuum manifold (217) is provided at the bottom of the first vacuum digital display (216). A transfer plate (218) is provided on the surface of the lifting mechanism slider (213). A vacuum generator (219) is provided at the bottom of the lifting slider mechanism. A suction cup mounting plate bracket (628) is provided on one side of the surface of the lifting mechanism slider (213). A nozzle linear guide (221) is connected to the bottom of the suction cup mounting plate bracket (628). A fixed-end frame suction cup mounting plate (227) is provided at one end of the bottom of the nozzle linear guide (221) near the suction cup mounting plate bracket (628). A movable-end frame suction cup mounting plate (226) is slidably provided at the other end of the bottom of the nozzle linear guide (221). A frame nozzle parallel distance adjustment slider (225) is slidably connected to the top surface of the nozzle linear guide (221), and the bottom surface of the frame nozzle parallel distance adjustment slider (225) is connected to the top surface of the movable-end frame suction cup mounting plate (226). A straight knurl knob (223) is provided on the top surface of the frame nozzle parallel distance adjustment slider (225). A first probe limit block (220) is provided on one side of the surface of the fixed-end frame suction cup mounting plate (227). A first groove-shaped photoelectric sensor (222) is provided on the side surface of the first probe limit block (220). A frame vacuum nozzle (224) is provided on the surface of the movable-end frame suction cup mounting plate (226).

8. A fully automatic laser marking machine according to claim 1, characterized in that: The lead frame separator paper handling mechanism (4) includes an X-direction handling module (401) and an X-direction drag chain (402). A second Z-direction module mounting plate (409) is slidably connected to the front surface of the X-direction handling module (401). An X-direction servo motor (410) connected to the second Z-direction module mounting plate (409) is provided at the end of the X-direction handling module (401). A Z-direction mounting slider (415) is bolted to the surface of the second Z-direction module mounting plate (409). A wire groove cover plate (416) is provided on the surface of the Z-direction mounting slider (415). A second Z-direction handling module (418) is slidably connected to the side of the Z-direction mounting slider (415). A second Z-direction servo motor (419) connected to the second Z-direction handling module (418) is provided at the bottom end of the Z-direction mounting slider (415). A third drag chain support (417) is bolted to the top end of the second Z-direction handling module (418). The X-direction drag chain (402) is screwed to the top surface of the third drag chain support (417). A vacuum gauge mounting panel (413) is provided on the surface of the Z-direction mounting slider (415). A second vacuum digital display (412) is provided on the surface of the vacuum gauge mounting panel (413). A panel support plate (414) is provided on the side of the vacuum gauge mounting panel (413). A second vacuum shunt plate (411) is provided on the top surface of the vacuum gauge mounting panel (413). A fixed-end separator paper suction cup mounting plate (407) is provided on the side of the second vacuum shunt plate (411). A movable-end separator paper suction cup mounting plate (405) is provided at a parallel position to the fixed-end separator paper suction cup mounting plate (407). A separator paper suction nozzle parallel distance adjustment slider (406) is slidably provided on the surface of the movable-end separator paper suction cup mounting plate (405), and the bottom surface of the separator paper suction nozzle parallel distance adjustment slider (406) is slidably connected to the surface of the fixed-end separator paper suction cup mounting plate (407). A separator paper vacuum suction nozzle (408) is provided on the surface of the movable-end separator paper suction cup mounting plate (405). A second probe limit block (403) is provided on the surface of the fixed-end separator paper suction cup mounting plate (407). A fourth groove-shaped photoelectric sensor (404) is provided on the side of the second probe limit block (403).

9. A fully automatic laser marking machine according to claim 1, characterized in that: The laser marking mechanism (5) includes a light-shielding cover (503) and a cover (502). The cover (502) is provided on the top surface of the light-shielding cover (503). A red laser head (501) is connected to the top surface of the cover (502). An ion air duct (504) is provided inside the cover (502), and the ion air duct (504) is connected to the track transmission mechanism (3). A lifting support plate assembly (506) and a two-point pressing plate (505) are provided inside the cover (502). An air extraction port (508) is provided on the side of the cover (502). A fourth photoelectric sensor (507) is provided at a position of the cover (502) close to the air extraction port (508).

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