Disclosure of Invention
The invention aims to provide an automatic tray loading device of an electronic chip tray loading machine, which has the advantages of accurate tray taking, high moving efficiency, high tray stacking success rate and automatic stacking, and aims to solve the problems of difficult tray moving, re-opening of the tray taking and low tray placing success rate in the existing electronic chip tray loading technology.
For the purpose of the invention, the following technical scheme is adopted for realizing the purpose: an automatic tray loading device of an electronic chip tray loader comprises a base, a limiting upright post, a transmission assembly, a clamp assembly, a tray taking assembly, a tray stacking assembly, a first locking assembly and a second locking assembly; the base is fixedly arranged on the rack, the upper end of the base is provided with limit upright posts, the four limit upright posts form a frame for placing a material tray, the base is correspondingly provided with an empty material tray taking station, a material tray placing station and a material tray full-overlapping station, and the empty material tray taking station and the material tray full-overlapping station are correspondingly provided with the four limit upright posts; the tray taking assembly is arranged on the base and corresponds to an empty tray taking station, and the tray stacking assembly corresponds to a full tray stacking station; the transmission assembly is arranged on the base, and the clamp assembly is arranged on the output end of the transmission assembly; the first locking component and the second locking component are installed on the base, the first locking component corresponds to the empty tray taking station, and the second locking component corresponds to the full tray stacking station.
Preferably, the transmission assembly comprises a support, a driving motor, a synchronous belt component and a wire rail; driving motor installs on the support, and the line rail is installed at the top of support, and hold-in range part connects on the support, and hold-in range part is provided with two sets of that link up mutually, and a set of flushes mutually with the line rail, and another a set of is connected with the driving motor output shaft.
Preferably, the disc taking assembly comprises a disc taking cylinder, a disc taking push rod and a cylinder mounting frame; get a set cylinder and pass through the fixed setting on the base of push rod cylinder mounting bracket, get a set push rod and be provided with four, get a set push rod and install the flexible end at getting a set cylinder, get a set push rod and pass through slide rail mobile connection on the cylinder mounting bracket.
Preferably, the clamp assembly comprises a connecting plate, a belt clamping block, a sliding groove block, a clamping cylinder, a driving block, a turning block and a lifting block; the connecting plate is connected to the linear rail, the belt clamping block is arranged on the side of the connecting plate, and the belt clamping block is tightly fixed with the synchronous belt of the synchronous belt component; the sliding groove block is internally provided with a horizontal sliding groove and a vertical sliding groove, and the sliding groove block is fixedly arranged on the connecting plate; the driving block is matched in the sliding groove block, the clamping cylinder is arranged on the side of the connecting plate, and the telescopic end of the clamping cylinder is connected with the sliding groove block; the middle part of the turnover block is hinged on the connecting plate, and a protruding pin shaft is arranged on the side of the other end of the turnover block; the lifting block is movably matched in a vertical sliding groove on the sliding groove block, and a protruding pin shaft is also arranged on the side of the lifting block; the driving block is provided with two sliding grooves, and the pin shafts on the turnover block and the lifting block are matched in the sliding grooves.
Preferably, the first locking component comprises a bottom plate, a lock catch and a cover plate; the cover plate is arranged on the bottom plate, the cover plate and the bottom plate form a channel, the lock catch is matched in the channel, the end part of the lock catch is provided with a wedge-shaped pointed block, and the side surface of the lock catch is also provided with a convex column; a spring is arranged between the lock catch and the bottom plate to press the lock catch outwards; a flange is arranged on the tray taking push rod; the tray taking push rod is further provided with a first sliding groove and a second sliding groove, the depth of the second sliding groove is larger than that of the first sliding groove, the second sliding groove is vertically downward, and the first sliding groove is obliquely converged into the second sliding groove.
Preferably, the second locking assembly comprises a connecting piece, an anti-turnover plate and a wedge-shaped locking clamp; the connecting piece is fixedly arranged on the base, the wedge-shaped locking clamp is folded, one end of the wedge-shaped locking clamp is wedge-shaped, the inclined plane faces downwards, the other end of the wedge-shaped locking clamp is hinged to the connecting piece, the anti-turnover plate is arranged on the connecting piece, and the anti-turnover plate is positioned above the wedge-shaped locking clamp; when the wedge-shaped locking clamp is turned upwards, the end part of the wedge-shaped locking clamp is positioned at the inner side of the connecting piece, and when the wedge-shaped locking clamp leans against the connecting piece, the end part of the wedge-shaped locking clamp protrudes out of the edge of the connecting piece.
Preferably, when the device works, the tray taking cylinder drives the tray taking push rod to ascend, the convex column on the lock catch enters the first sliding groove to push the lock catch to the inner side, the tray taking push rod receives the tray, the tray is taken out downwards, and the lock catch continuously pops out to stop the next tray after one tray is taken out; after the material tray is taken out, the clamping cylinder drives the driving block to move out, the lifting block is lifted, the turnover block is turned over to clamp the material tray, the material tray is moved to a material tray placing station by the transmission assembly, the electronic chip is conveyed to the material tray, the material tray is moved to a material tray full-stacking station by the transmission assembly after the material tray is filled, the material tray is lifted by the material tray stacking assembly, and the material tray is upwards stacked due to the one-way passability of the wedge-shaped locking clamp.
An electronic chip tray loader comprises a rack, and a material distribution device, a rotary carrying device, a pin pressing device, a transition carrying device, a pin cutting device, a linear carrying device and a tray loading device which are arranged on the rack; the rotary carrying device is connected with the material distributing device and the pin pressing device, and a chip feeding device is arranged at the feeding end of the material distributing device; the pin cutting device and the pin pressing device are arranged oppositely, and the transition carrying device is connected with the pin pressing device and the pin cutting device; the tray loading device is arranged on the side of the pin cutting device, the linear conveying device is positioned above the tray loading device, and the linear conveying device is connected with the pin cutting device and the tray loading device; the tray loading device adopts the technical scheme to provide the automatic tray loading device of the electronic chip tray loading machine.
Preferably, the material separating device is used for separating out single electronic chips for carrying; the automatic tray loading device of the electronic chip tray loader is used for loading the cut electronic chips; the rotary carrying device, the transition carrying device and the linear carrying device are all used for carrying electronic chips.
The automatic tray loading device of the electronic chip tray loader adopting the technical scheme has the effects that: the movable clamp assembly is arranged by arranging three parallel empty tray taking stations, tray placing stations and tray full-stacking stations, so that the transfer efficiency of the trays at each station is improved; the first locking component and the corresponding tray taking push rod are arranged, so that one tray can be taken out from the bottom layer every time, the position of the next tray is limited, the structure is stable and reliable, and the problem of re-opening is avoided; through setting up second hasp subassembly, guarantee the one-way passability of charging tray, prevent excessive upset through preventing turning over the board, make and pile up reliable and stable.
The electronic chip tray loader adopting the technical scheme has the effects that: 1. the pin pressing device clamps and positions the electronic chip from two dimensions by arranging the first clamping piece and the second clamping piece, and positions the centering plate again by the positioning column after the station is switched, so that the pressing precision is improved; two positioning assemblies are arranged on the transfer plate, and each positioning assembly comprises two stations, one station is used for machining, and the other station is used for loading and unloading, so that the pressing efficiency is improved; the workpiece is covered by the limiting blocks in elastic connection, so that the problem of splashing in the pressing process is solved, the limiting blocks are elastically connected, impact is reduced, and the electronic chip is protected. 2. The pin cutting device is used for pressing the chip by arranging the chip pressing block to prevent the chip from moving during cutting, and then pressing the pins by the pin pressing block to prevent the pins from deforming due to unbalanced stress during cutting, so that the cutting flatness of the pins is improved, and the pin cutting device is stable and reliable in a mode of firstly cutting and then cutting and can improve the cutting speed; the rotary table sends the workpiece into the rotary table in a rotating mode, and compared with a moving mode, the rotary table can avoid the occurrence of empty stations and improve the working efficiency. 3. The tray loading device is provided with the movable clamp assembly by arranging three parallel empty tray taking stations, tray placing stations and tray full-stacking stations, so that the transfer efficiency of the trays at each station is improved; the first locking component and the corresponding tray taking push rod are arranged, so that one tray can be taken out from the bottom layer every time, the position of the next tray is limited, the structure is stable and reliable, and the problem of re-opening is avoided; through setting up second hasp subassembly, guarantee the one-way passability of charging tray, prevent excessive upset through preventing turning over the board, make and pile up reliable and stable.
Detailed Description
As shown in fig. 1, an electronic chip tray loader comprises a frame 1, and a material distribution device 2, a rotary carrying device 3, a pin pressing device 4, a transition carrying device 5, a pin cutting device 6, a linear carrying device 7 and a tray loading device 8 which are arranged on the frame 1; the rotary carrying device 3 is connected with the material distributing device 2 and the pin pressing device 4, and a chip feeding device is arranged at the feeding end of the material distributing device 2; the pin cutting device 6 and the pin flattening device 4 are arranged oppositely, and the transition carrying device 5 is connected with the pin flattening device 4 and the pin cutting device 6; tray loading device 8 set up in pin cutting device 6's side, sharp handling device 7 is located tray loading device 8's top, sharp handling device 7 links up pin cutting device 6 and tray loading device 8.
The material distribution device 2 is used for sorting single electronic chips for carrying; the pin flattening device 4 is used for flattening and shaping pins of an electronic chip, the pin cutting device 6 is used for cutting pins of the electronic chip, and the tray loading device 8 is used for loading the cut electronic chip; the rotary conveying device 3, the transition conveying device 5 and the linear conveying device 7 are all used for conveying electronic chips. The tray loading device 8 is an automatic tray loading device of an electronic chip tray loader.
As shown in fig. 2, the material distributing device 2 includes a vertical plate 21, a feeding seat 22, a separating cylinder 23, a separating block 24, a pressing block 25 and a pressing cylinder 26; the vertical plate 21 is fixedly arranged on the stand, the separation cylinder 23 is arranged on the vertical plate 21, the separation block 24 is movably connected on the vertical plate 21, the separation block 24 is connected with the telescopic end of the separation cylinder 23, and a groove matched with the shape of the electronic chip is arranged on the separation block 24; the feeding seat 22 is arranged at one side of the vertical plate 21, and a channel for passing an electronic chip is arranged in the feeding seat 22; the pressing cylinder 26 is arranged on the other side of the vertical plate 21, the pressing block 25 is fixedly arranged at the telescopic end of the pressing cylinder 26, and the pressing block 25 corresponds to the separating block 24.
When the material distributing device 2 works, an electronic chip enters from the feeding seat 22 and reaches the separating block 24, then the separating cylinder 23 pushes out the separating block 24, then the pressing cylinder 26 pushes out the pressing block 25, the separated electronic chip is pressed, positioning is achieved, and then the rotary conveying device 3 is waited for conveying.
As shown in fig. 3 and 4, the pin rolling device 4 includes a mounting base 41, a rolling cylinder 42, a lifting block 43, a positioning column 44, a limiting block 45, a rolling block 46, a middle rotating plate 47, a positioning assembly 48, a switch assembly 49, a rotating cylinder 410 and a fixed base 411; the mounting base 41 is fixedly arranged on the rack, a guide post 401 is arranged on the mounting base 41, the lifting block 43 is movably matched in the guide post 401, the pressing cylinder 42 is arranged at the top of the mounting base 41, and the telescopic end of the pressing cylinder 42 is connected with the lifting block 43; the positioning columns 44 are arranged at the bottom ends of the lifting blocks 43, the pressing blocks 46 are fixedly arranged at the bottoms of the lifting blocks 43, the limiting blocks 45 are connected to the bottoms of the lifting blocks 43 through springs, two limiting blocks 45 are arranged, and the limiting blocks 45 are positioned on two sides of the pressing blocks 46; a pressing column 461 is arranged in the pressing block 46, the pressing column 461 is connected with the pressing block 46 through a spring, and the end part of the pressing column 461 protrudes out of the bottom end of the pressing block 46; rectangular waveform teeth are arranged on two sides of the bottom end of the pressing block 46 and correspond to pins of the electronic chip; the positioning assemblies 48 are arranged in two groups, the positioning assemblies 48 are arranged on a transfer plate 47, the center of the transfer plate 47 is arranged on a transfer shaft of a rotating cylinder 410, the rotating cylinder 410 is fixedly arranged on a fixed base 411, and the fixed base 411 is arranged in the middle of the mounting seat 41; the two side ends of the fixed base 411 are provided with limit stop posts 413, the side of the transfer plate 47 is provided with a limit strip 471, and the limit strip 471 corresponds to the stop posts 413; the switch assembly 49 is arranged on the mounting seat 41, and the switch assembly 49 is positioned on the side of the positioning assembly 48;
the positioning assembly 48 comprises a positioning seat 481, a first clamping sheet 482 and a second clamping sheet 483; the upper end of the positioning seat 481 is provided with a groove shape for receiving the electronic chip, and the positioning seat 481 is provided with two bulges 4811; the middle parts of the first clamping piece 482 and the second clamping piece 483 are provided with pin shafts, the first clamping piece 482 and the second clamping piece 483 are hinged on the adjacent side of the positioning seat 481, and springs are arranged between the lower ends of the first clamping piece 482 and the second clamping piece 483 and the positioning seat 481 to clamp the tops of the first clamping piece 482 and the second clamping piece 483 to the inner side; the outer side surface of the first clamping piece 482 is provided with a slope 4821, and the outer side surface of the second clamping piece 483 is a plane.
The switch assembly 49 comprises a driving cylinder 491, a first driving bar 492 and a second driving bar 493; the driving cylinder 491 is fixedly arranged on the mounting base 41, and the first driving strip 492 and the second driving strip 493 are both arranged at the telescopic end of the driving cylinder 491; the end of the first driving strip 492 is provided with an inclined plane, and the end of the second driving strip 493 is a plane; the first driver blade 492 corresponds to the first clamping piece 482 and the second driver blade 493 corresponds to the second clamping piece 483.
When the pin rolling device 4 works, the driving cylinder 491 drives the first driving strip 492 and the second driving strip 493 to extend out, the first clamping piece 482 and the second clamping piece 483 are pushed to move, then the electronic chip is placed in the positioning seat 481, the driving cylinder 491 is moved out, and the electronic chip is clamped by the first clamping piece 482 and the second clamping piece 483; then the rotation cylinder 410 rotates one hundred eighty degrees, sends the work piece that presss from both sides tightly into and presses the whole cylinder 42 under, then presses the whole cylinder 42 extension, inserts transfer board 47 with reference column 44, and then two stopper 45 carry on spacingly to electronic chip, compresses tightly post 461 and compresses tightly from the upper end earlier, presses monoblock 46 to descend at last, realizes pushing down and combing the pin of electronic chip.
The pin pressing device 4 solves the problems of low pin pressing precision, low pressing efficiency and easy splashing of workpieces; the electronic chip is clamped and positioned from two dimensions by arranging the first clamping sheet 482 and the second clamping sheet 483, and the centering plate 47 is positioned again by the positioning column 44 after the station is switched, so that the pressing precision is improved; two positioning assemblies 48 are arranged on the transfer plate 47, and each positioning assembly has two stations, one station is used for machining, and the other station is used for loading and unloading, so that the pressing efficiency is improved; the workpiece is covered by the limiting blocks 45 in elastic connection, so that the splashing problem in the pressing process is avoided, the limiting blocks 45 are elastically connected, the impact is reduced, and the electronic chip is protected.
As shown in fig. 5 and 6, the pin cutting device 6 includes a mounting table 61, a collecting box 62, a punching cylinder 63, a lifting seat 64, an upper tool post 65, a pin pressing block 66, a chip pressing block 67, a fixed material placing seat 68, a rotary table 69, a fixed blanking plate 610 and a rotary cylinder 611; the mounting table 61 is provided with a bottom table 601, a middle table 602 and a top table 603, and the collecting box 62 is arranged on the bottom table 601; a connecting column 604 is arranged between the middle table surface 602 and the top table surface 603, a round hole is correspondingly arranged on the lifting seat 64, and the lifting seat 64 is matched on the connecting column 604; the punching cylinder 63 is vertically arranged on the top table surface 603, and the telescopic end of the punching cylinder 63 is connected with the lifting seat 64; the lower end of the lifting seat 64 is provided with a positioning pin 641; the upper tool apron 65 is fixedly arranged at the bottom end of the lifting seat 64, the pin pressing block 66 is arranged inside the upper tool apron 65, and the upper end of the pin pressing block 66 is connected with the lifting seat 64 through a spring; the side end of the chip pressing block 67 is provided with a long groove, the chip pressing block 67 is arranged inside the pin pressing block 66, and a pin shaft arranged in the long groove of the chip pressing block 67 is matched with the pin pressing block 66 to form a groove pair; a spring is arranged between the chip pressing block 67 and the pin pressing block 66; the fixed material placing seats 68 are fixedly arranged on two sides of the rotary table 69, and the upper ends of the fixed material placing seats 68 are provided with grooves for placing electronic chips; the fixed blanking plate 610 is fixedly arranged on the mounting table 61, the rotary cylinder 611 is fixedly arranged at the bottom of the fixed blanking plate 610, and the rotating shaft of the rotary cylinder 611 is connected with the center of the rotary table 69; the material placing seat 68 is arranged at the end part of the side of the turntable 69, a stop 6101 is also arranged on the fixed blanking plate 610, arc-shaped grooves 6102 are also arranged at the two sides of the fixed blanking plate 610, and the arc-shaped grooves 6102 are used for the waste material to fall down; the pin pressing block 66 is attached to the inner wall of the upper tool apron 65, the fixed material placing seat 68 is matched with the upper tool apron 65, and the fixed material placing seat 68 and the upper tool apron 65 form staggered tangent planes to cut off pins.
When the pin cutting device 6 works, an electronic chip is placed on the fixed material placing seat 68, the rotary cylinder 611 drives the rotary table 69 to rotate one hundred eighty degrees, the received chip is sent to a cutting position, the punching cylinder 63 drives the lifting seat 64 to descend, the chip pressing block 67 is firstly contacted with the electronic chip to be pressed, the pin pressing block 66 descends to press pins on two sides of the chip, the upper tool apron 65 descends to cut redundant pins, and waste materials fall into the collecting box 62.
The pin cutting device 6 solves the problems of uneven pin cutting section, deformation of pins and poor cutting quality, the chip is compressed by the chip compression block 67 to prevent the pins from moving during cutting, the pins are compressed by the pin compression block 66 to prevent the pins from deforming due to unbalanced stress during cutting, the pin cutting flatness is improved, and the pin cutting device is stable and reliable in a mode of firstly cutting and then cutting, and can improve the cutting speed; the rotary table 69 feeds the workpiece in a rotating mode, and compared with a moving mode, the rotary table can avoid the occurrence of empty stations and improve the working efficiency.
As shown in fig. 7, the automatic tray loading device of the electronic chip tray loader comprises a base 81, a limiting upright 82, a transmission assembly 83, a clamp assembly 84, a tray taking assembly 85, a tray stacking assembly 86, a first locking assembly 87 and a second locking assembly 88; the base 81 is fixedly arranged on the rack, the upper end of the base 81 is provided with a limit upright post 82, the four limit upright posts 82 form a frame for placing a material tray, the base 81 is correspondingly provided with an emptying material tray station 801, a placing material tray station 802 and a full material tray station 803, and the emptying material tray station 801 and the full material tray station 803 are correspondingly provided with the four limit upright posts 82; the tray taking assembly 85 is arranged on the base 81 and corresponds to an empty tray taking station 801, and the tray stacking assembly 86 corresponds to a full tray stacking station 803; the transmission assembly 83 is arranged on the base 81, and the clamp assembly 84 is arranged on the output end of the transmission assembly 83; the fixture assembly 84 is used for driving the tray to transfer among three stations; the first locking component 87 and the second locking component 88 are installed on the base 81, the first locking component 87 corresponds to the empty tray taking station 801, and the second locking component 88 corresponds to the full tray stacking station 803.
The transmission assembly 83 comprises a support 831, a driving motor 832, a synchronous belt component 833 and a linear rail 834; driving motor 832 installs on support 831, and the line rail 834 is installed at the top of support 831, and synchronous belt part 833 is connected on support 831, and synchronous belt part 833 is provided with two sets of that link up mutually, and a set of flushes mutually with line rail 834, and another group is connected with driving motor 832 output shaft.
The disk taking assembly 85 comprises a disk taking cylinder 851, a disk taking push rod 852 and a cylinder mounting frame 853; get a set cylinder 851 and pass through the fixed setting of push rod cylinder mounting bracket 853 on base 81, get a set push rod 852 and be provided with four, get set push rod 852 and install the flexible end of getting set cylinder 851, get set push rod 852 and pass through slide rail swing joint on cylinder mounting bracket 853.
As shown in fig. 8, the clamping assembly 84 includes a connecting plate 841, a belt clamping block 842, a sliding groove block 843, a clamping cylinder 844, a driving block 845, a turning block 846 and a lifting block 847; the connecting plate 841 is connected on the line rail 834, the belt clamping block 842 is installed at the side of the connecting plate 841, the belt clamping block 842 is tightly fixed with the synchronous belt of the synchronous belt component 833; a horizontal sliding groove and a vertical sliding groove are formed in the sliding groove block 843, and the sliding groove block 843 is fixedly arranged on the connecting plate 841; the driving block 845 is matched in the sliding groove block 843, the clamping cylinder 844 is installed on the side of the connecting plate 841, and the telescopic end of the clamping cylinder 844 is connected with the sliding groove block 843; the middle part of the turnover block 846 is hinged to the connecting plate 841, and a protruding pin shaft is arranged on the side of the other end of the turnover block 846; the lifting block 847 is movably matched in a vertical chute on the chute block 843, and a protruding pin shaft is also arranged on the side of the lifting block 847; two sliding grooves are formed in the driving block 845, and pin shafts on the turnover block 846 and the lifting block 847 are matched in the sliding grooves.
As shown in fig. 9, the first locking member 87 includes a bottom plate 871, a lock 872 and a cover 873; the cover plate 873 is arranged on the bottom plate 871, the bottom plate 871 and the cover plate 873 form a channel, the lock 872 is matched in the channel, the end part of the lock 872 is provided with a wedge-shaped pointed block 874, and the side surface of the lock 872 is also provided with a convex column 875; a spring is arranged between the lock 872 and the bottom plate 871 to press the lock 872 outwards; the tray taking push rod 852 is provided with a flange 8521 for pushing the tray; the tray taking push rod 852 is further provided with a first sliding groove 855 and a second sliding groove 854, the depth of the second sliding groove 854 is larger than that of the first sliding groove 855, the second sliding groove 854 is vertically downward, and the first sliding groove 855 obliquely converges into the second sliding groove 854.
As shown in fig. 10, the second locker module 88 includes a connecting member 881, an anti-turnover panel 882, and a wedge clip 883; the connecting piece 881 is fixedly arranged on the base 81, the wedge-shaped locking clip 883 is folded, one end of the wedge-shaped locking clip 883 is wedge-shaped, the inclined plane faces downwards, the other end of the wedge-shaped locking clip 883 is hinged on the connecting piece 881, the anti-turnover plate 882 is arranged on the connecting piece 881, and the anti-turnover plate 882 is positioned above the wedge-shaped locking clip 883; when the wedge-shaped locking clip 883 is turned upwards, the end of the wedge-shaped locking clip 883 is positioned inside the connecting piece 881, and when the wedge-shaped locking clip 883 leans against the connecting piece 881, the end of the wedge-shaped locking clip 883 protrudes out of the edge of the connecting piece 881.
When the automatic tray loading device of the electronic chip tray loader works, the tray taking cylinder 851 drives the tray taking push rod 852 to ascend, the convex column 875 on the lock 872 enters the first sliding groove 855, the lock 872 is pushed inwards, the tray taking push rod 852 receives a tray, the tray is taken out downwards, and after one tray is taken out, the lock 872 is continuously ejected to continue stopping the next tray; after the material tray is taken out, the clamping cylinder 844 drives the driving block 845 to move out, the lifting block 847 is lifted, the overturning block 846 is overturned to clamp the material tray, the material tray is moved to the material tray placing station 802 by the transmission assembly 83, the electronic chip is conveyed to the material tray by the linear conveying device 7, the material tray is moved to the material tray full-stacking station 803 by the transmission assembly 83 after the material tray is filled, the material tray is lifted by the material tray stacking assembly 86, and the material tray is upwards stacked by the one-way passability of the wedge-shaped locking clamp 883.
The automatic tray loading device solves the problems that the tray of an electronic chip tray is difficult to move, the tray taking plate is overlapped and the tray placing success rate is low, and the movable clamp assembly 84 is arranged by arranging three parallel empty tray taking stations 801, tray placing stations 802 and full tray stacking stations 803, so that the transfer efficiency of the tray at each station is improved; the arrangement of the first locking component 87 and the corresponding tray taking push rod 852 can ensure that one tray is taken out from the bottom layer every time, and the next tray is limited, so that the structure is stable and reliable, and the problem of re-opening can be avoided; through setting up second hasp subassembly 88, guarantee the one-way passability of charging tray, prevent excessive upset through preventing turning over board 882, make to pile up reliable and stable.
When the electronic chip tray loader works, the electronic chip tray loader is processed through the following steps in sequence:
chip feeding: electronic chips enter from the feeding seat 22 and reach the separating block 24, then the separating cylinder 23 pushes out the separating block 24, then the pressing cylinder 26 pushes out the pressing block 25 to press the separated electronic chips to realize positioning, and then the rotary conveying device 3 is waited for conveying;
(II) pin pressing: the driving air cylinder 491 drives the first driving strip 492 and the second driving strip 493 to extend out, the first clamping piece 482 and the second clamping piece 483 are jacked to move, then the electronic chip is placed in the positioning seat 481, the driving air cylinder 491 is moved out, and the electronic chip is clamped by the first clamping piece 482 and the second clamping piece 483; then the rotating cylinder 410 rotates one hundred eighty degrees, a clamped workpiece is sent to the position right below the pressing and shaping cylinder 42, then the pressing and shaping cylinder 42 extends, the positioning column 44 is inserted into the transfer plate 47, then the two limiting blocks 45 limit the electronic chip, the pressing column 461 is pressed from the upper end, and finally the pressing block 46 descends, so that the pins of the electronic chip are pressed and combed;
and (III) cutting the pins: the transition carrying device 5 carries the pin flattening device 4 to the pin cutting device 6, an electronic chip is placed on a fixed material placing seat 68, a rotary cylinder 611 drives a rotary table 69 to rotate by one hundred eighty degrees, the received chip is sent to a cutting position, a punching cylinder 63 drives a lifting seat 64 to descend, the chip pressing block 67 is firstly contacted with the electronic chip to be pressed, then a pin pressing block 66 descends to press pins on two sides of the chip, finally an upper tool seat 65 descends to cut redundant pins, and waste materials fall into a collecting box 62;
(IV) loading the chips into a tray: the tray taking cylinder 851 drives the tray taking push rod 852 to ascend, the convex column 875 on the lock 872 enters the first sliding groove 855, the lock 872 is pushed inwards, the tray taking push rod 852 receives a tray, the tray is taken out downwards, and after one tray is taken out, the lock 872 is continuously ejected to stop the next tray; after the material tray is taken out, the clamping cylinder 844 drives the driving block 845 to move out, the lifting block 847 is lifted, the overturning block 846 is overturned to clamp the material tray, the material tray is moved to the material tray placing station 802 by the transmission assembly 83, the electronic chip is conveyed to the material tray by the linear conveying device 7, the material tray is moved to the material tray full-stacking station 803 by the transmission assembly 83 after the material tray is filled, the material tray is lifted by the material tray stacking assembly 86, and the material tray is upwards stacked by the one-way passability of the wedge-shaped locking clamp 883.