CN108682641B - Automatic assembly equipment for transistors and heat sinks - Google Patents

Abstract

The present invention relates to the technical field of semiconductor production. Transistor and heat sink automatic assembly equipment, including rack assembly, indexing turntable device, fixture assembly, first transistor feeding device, second transistor feeding device, glue coating device, first heat sink feeding device, second heat sink feeding device A feeding device, a first nut feeding device, a second nut feeding device, a first screw tightening device, a second screw tightening device and a blanking and handling device. The advantage of the automatic assembly equipment for transistors and heat sinks is that the assembly of two different sizes of transistors and heat sinks is completed at the same time, and the processing efficiency is high.

Description

Automatic assembly equipment for transistors and heat sinks

technical field

The invention relates to the technical field of semiconductor production, in particular to automatic assembly equipment for transistors and heat sinks.

Background technique

The assembly of transistors and heat sinks is an important process in semiconductor production. The assembly of transistors and heat sinks has been widely completed by automated equipment. The assembly process sequentially includes transistor shaping, transistor feeding, transistor gluing, heat sink feeding and screw fixing. Basically, the operation of each station is controlled by the indexing plate. Existing automatic assembly equipment for transistors and heat sinks can only process transistors and heat sinks of one size. In the actual production process, due to the requirements of power and heat dissipation performance, transistors of one size are often equipped with heat sinks of different sizes. , the existing automatic assembly equipment for transistors and heat sinks has the disadvantage that it can only adapt to the assembly of transistors and heat sinks of one size, and the processing efficiency is low.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide an automatic assembly device for transistors and heat sinks that simultaneously completes the assembly of two different sizes of transistors and heat sinks.

In order to achieve the above purpose, the present invention adopts the following technical solutions: automatic assembly equipment for transistors and heat sinks, including a rack assembly, an indexing turntable device, a clamp assembly, a first transistor feeding device, a second transistor feeding device, a glue coating device device, the first fin feeding device, the second radiating fin feeding device, the first nut feeding device, the second nut feeding device, the first screw tightening device, the second screw tightening device and the unloading handling device;

The indexing turntable device is fixed on the frame assembly, and eight stations are regularly set on the indexing turntable device, which are the first station, the second station, the third station, the fourth station, and the fifth station. position, the sixth station, the seventh station and the eighth station; the fixture assemblies are eight with the same structure, and are evenly arranged on the indexing turntable device, and the position of each fixture assembly corresponds to a tool on the indexing turntable device. The first transistor feeding device is fixedly arranged on the rack assembly, the position of the first transistor feeding device corresponds to the first station, and the first transistor feeding device is used to transport a transistor to the fixture assembly of the first station The second transistor feeding device is fixedly arranged on the rack assembly, the position of the second transistor feeding device corresponds to the second station, and the second transistor feeding device is used to transport another transistor to the fixture assembly of the second station ; The position of the gluing device corresponds to the third station, and the gluing device is used for gluing the two transistors in the fixture assembly of the third station; the position of the first heat sink feeding device corresponds to the fourth station, and the first heat sink The chip feeding device is used to transport the first heat sink to the fixture assembly of the fourth station; the position of the second heat sink feeding device corresponds to the fifth station, and the second heat sink feeding device is used to transport the second heat sink to the fourth station. On the fixture assembly of five stations; the first nut feeding device and the first screw tightening device are fixedly arranged on the frame assembly, and the positions of the first nut feeding device and the first screw tightening device correspond to the sixth station; the second nut The feeding device and the first screw tightening device are fixedly arranged on the frame assembly, and the positions of the second nut feeding device and the first screw tightening device correspond to the seventh station; The device position corresponds to the eighth station;

The indexing turntable device includes a first motor, a first motor mounting seat, a first belt drive assembly, a worm gear reducer and an indexing turntable; the first motor is mounted on the first motor mounting seat, and the first motor mounting seat is arranged on the machine The worm gear reducer is fixed on the frame assembly; the first belt drive assembly includes a driving synchronous wheel, a driven synchronous wheel and a synchronous belt, and the first motor is connected to the input shaft of the worm gear reducer through the first belt drive assembly, The indexing turntable is fixedly arranged on the output shaft of the worm gear reducer;

The clamp assembly includes a clamp base, a first heat sink positioning device, a second heat sink positioning device, a first transistor positioning device and a second transistor positioning device; the clamp base is provided with a first installation groove and a second installation groove, the first installation groove The groove and the second installation groove are arranged in parallel, the first heat sink and the first transistor are located in the first installation groove, and the second heat sink and the second transistor are located in the second installation groove; two screw caps are provided on the fixture base for feeding hole;

The first transistor positioning device includes a first transistor reference board and a first transistor adjustment board. The first transistor reference board is fixed in the first installation slot, and the first transistor adjustment board is movably connected in the first installation slot. By adjusting the first transistor The position of the adjustment board in the first installation groove adjusts the distance between the first transistor reference board and the first transistor adjustment board; the pin slot on the fixture base connects the first transistor reference board and the first transistor adjustment board. There is a first installation slot between the pins, and the pin slot is used to store the pins of the first transistor; the first heat sink positioning device includes a first heat sink reference plate and a first heat sink adjustment plate, and the first heat sink reference plate is fixed on the first heat sink reference plate. A transistor reference plate, the first heat sink adjustment plate is movably connected to the fixture base, and the distance between the first heat sink reference plate and the first heat sink adjustment plate is adjusted by adjusting the position of the first heat sink adjustment plate; the first heat sink adjustment plate; The mounting hole of the heat sink n, the mounting hole of a transistor k and a nut feeding hole are concentric;

The second transistor positioning device includes a second transistor reference board and a second transistor adjustment board. The second transistor reference board is fixed in the second installation slot, and the second transistor adjustment board is movably connected in the second installation slot. By adjusting the second transistor The position of the adjustment plate in the second installation slot adjusts the distance between the second transistor reference plate and the second transistor adjustment plate; the second pin slot on the fixture base connects the second transistor reference plate and the second pin slot. The second installation slot between the transistor adjustment plates, the second pin slot is used to store the pins of the second transistor; the second heat sink positioning device includes a second heat sink reference plate and a second heat sink adjustment plate, the second heat sink The chip reference plate is fixed on the second transistor reference plate, the second heat sink adjustment plate is movably connected to the fixture base, and the position between the second heat sink reference plate and the second heat sink adjustment plate is adjusted by adjusting the position of the second heat sink adjustment plate. The distance between the two; the mounting hole of the second heat sink m, the mounting hole of another transistor k and the other nut feeding hole are concentric;

The first transistor feeding device includes a feeding bracket, a turntable silo mechanism, a transition pushing mechanism, a translation feeding mechanism, a transistor pin shaping mechanism, a discharging mechanism, a rotating turntable mechanism and a feeding manipulator mechanism;

The feeding support is fixed on the rack assembly; the turntable silo mechanism is set on the feeding support, and the turntable silo mechanism is used for storing transistors; the transitional pushing mechanism is set on the feeding support, and the transitional pushing mechanism is related to the turntable silo mechanism. Connected, the transition pushing mechanism transports the transistors dropped from the turntable silo mechanism to the translation feeding mechanism; the translation feeding mechanism is fixed on the feeding bracket, and the transistor pin shaping mechanism is installed on the side of the translation feeding mechanism. Step-by-step movement in the translation feeding mechanism, the transistor pins are bent, deformed and cut through the transistor pin shaping mechanism; the discharging mechanism positions the transistors after the pins are processed; the rotating turntable mechanism and the feeding manipulator The mechanisms are all fixed on the feeding bracket, the rotating turntable mechanism is used to rotate the transistors arranged on it, and the feeding manipulator mechanism is used to transport the transistors to the rotating turntable mechanism;

The turntable silo mechanism includes a feeding turntable, a crystal sleeve, a first cylinder, a blanking thrust head, a circular arc blanking rail, a ratchet, a clamping claw, a second cylinder rotating seat, a second cylinder, a swivel and a brake Claws; the feeding turret is installed on the feeding support through the rotating pair, and a plurality of crystal sleeves are vertically and evenly arranged on the feeding turret; the first cylinder is fixed on the feeding turret, and the telescopic end of the first cylinder is Connected with the blanking thrust head, the first cylinder drives the linear motion of the blanking thrust head, the front end of the blanking thrust head is provided with a cylindrical pin; the bottom end of the crystal sleeve is provided with a circular hole matching the cylindrical pin; The blanking rail is fixed on the feeding swivel, and the upper end of the arc blanking rail is connected with the blanking opening at the lower end of the crystal sleeve; the ratchet is fixedly connected with the rotating shaft of the feeding swivel, and the claws are installed on the swivel through the torsion spring. The swivel is installed on the rotating shaft of the feeding swivel through the rotating pair, and the swivel is located under the ratchet; the second cylinder rotating seat is set on the feeding bracket, and the second cylinder is installed on the second cylinder On the rotating seat, the telescopic end of the second cylinder is connected with the swivel ring, the braking claws are fixedly arranged on the feeding bracket, and the braking claws are in contact with the ratchet;

The transitional pushing mechanism includes a third cylinder, a pushing slide, a pushing head and a fixed sliding seat; the third cylinder is fixed on the feeding bracket through the third cylinder mounting seat, and the pushing slide is mounted on the fixed support through the moving pair. In the sliding seat, the telescopic end of the third cylinder is connected to the pusher slide, the pusher head is fixedly arranged on the pusher slide, and the position of the pusher head matches the bottom end of the arc blanking rail;

The translation feeding mechanism includes the feeding main guide rail, the upper cover plate, the length adjusting plate, the fourth cylinder, the material claw mounting plate, the material pushing claw, the crystal forming reference plate and the first linear guide rail assembly; the feeding main guide rail is fixedly arranged on the On the feeding bracket, the length adjusting plate is installed on the main feeding guide rail; the upper cover plate is set above the feeding main guide rail, and the transistor k moves between the feeding main guide rail and the upper cover plate; the fourth cylinder is installed through the fourth cylinder The seat is arranged on the feeding bracket, and the telescopic end of the fourth cylinder is connected with the material claw mounting plate; the first linear guide rail assembly includes a sliding rail and a sliding seat that form the matching of the moving pair, and the sliding rail is fixedly arranged on the fixed sliding seat and the lower end connecting block On the upper, the claw mounting plate is fixed with the sliding seat; the claw mounting plate is located between the feeding main guide rail and the crystal forming reference plate, and the crystal forming reference plate is set on the feeding bracket; the fourth cylinder drives the claw mounting plate along the first A linear guide rail assembly moves back and forth in the direction; the material pushing claw is installed on the material claw mounting plate; the position of the feeding end of the main feeding rail matches the feeding head, and the material head is located between the bottom end of the arc blanking rail and the main feeding rail between;

The transistor pin shaping mechanism includes the fifth cylinder, the sixth cylinder, the shaping mounting plate, the k-foot upper die, the k-foot lower die, the cutting foot pressing block, the lower cutter, the upper cutter, the adjusting screw and the pin shaping slide rail; the fifth The air cylinder and the sixth air cylinder are fixed on the top of the shaping installation plate, the lower die and the lower cutter are fixed on the mounting block i of the shaping installation plate; the cutting foot press block and the upper cutting knife are fixed on the left side of the shaping installation In the groove, the output end of the sixth cylinder is connected to the cutting foot pressure block and the upper cutter; the k-foot upper die is arranged in the vertical chute on the right side of the shaping installation plate, and the fifth cylinder output end is connected to the k-foot upper die; the shaping installation plate passes through The moving pair is installed on the pin shaping slide rail, and the pin shaping slide rail is fixed on the feeding bracket, and the moving distance of the shaping mounting plate on the pin shaping slide rail is adjusted by turning the adjusting screw;

The discharging mechanism includes a discharging slide rail, a side block, a seventh cylinder and a seventh cylinder fixing seat; the discharging slide rail is installed in the chute of the main feeding guide rail through the moving pair, and the seventh cylinder passes through the seventh cylinder fixing seat Set on the feeding bracket, the telescopic end of the seventh cylinder is connected with the discharge slide rail; two side blocks are fixed on the discharge slide rail, and the two side blocks are set vertically; the position of the discharge slide rail is related to the feeding Main rail matching;

The rotating turntable mechanism includes a rotating storage seat, a gear, a rack, a first limit detector, a rack rail and an eighth cylinder; the rotating seat is installed on the feeding bracket through a horizontal bearing, and the rotating seat is used to place the transistor k , the rotating seat is provided with two mutually perpendicular positioning blocks; the rotating storage seat is connected to the rack slide rail through gears and racks, and the rack slide rail is fixed on the feeding bracket; the first limit detector passes through the first limit detector. The limit detector mounting seat is fixedly arranged on the feeding bracket, the fixed end of the eighth cylinder is fixedly arranged on the feeding bracket through the eighth cylinder fixing seat, and the telescopic end of the eighth cylinder is connected with the rack;

The feeding manipulator mechanism includes a second motor mounting seat, a second motor, a first lead screw nut, a first lead screw, a second linear guide rail assembly, a ninth cylinder, a ninth cylinder seat, a third linear guide rail assembly, and a first suction cup The mounting frame and the first suction cup; the second motor is arranged on the feeding bracket through the second motor mounting seat, the first lead screw nut is fitted on the first lead screw, and the first lead screw is mounted on the second motor mounting seat through the bearing The second motor output shaft is connected to the first lead screw; the ninth cylinder is vertically arranged on the ninth cylinder seat, the ninth cylinder seat is mounted on the second motor mounting seat through the second linear guide rail assembly, and the ninth cylinder seat is connected to the second motor mounting seat. The first screw nut is connected; the first suction cup mounting frame is installed on the ninth cylinder seat through the third linear guide rail assembly, the telescopic end of the ninth cylinder is connected to the first suction cup mounting frame, and the two sets of first suction cups are arranged on the first suction cup mounting frame on the shelf;

The first heat sink feeding device includes a first heat sink conveyor belt and a first heat sink reclaimer manipulator, and the first heat sink reclaimer manipulator moves the first heat sink n on the first heat sink conveyor belt to the third station. on the fixture assembly;

The second heat sink feeding device includes a second heat sink conveyor belt and a second heat sink reclaimer manipulator, and the second heat sink reclaimer manipulator moves the second heat sink m on the second heat sink conveyor belt to the fourth clamp. on the component;

The gluing device includes gluing traversing frame, third motor, second lead screw, third lead screw nut, gluing longitudinal moving frame, fourth linear guide rail assembly, fifth linear guide rail assembly, tenth cylinder, glue applicator Fixed plate, glue applicator, sixth linear guide rail assembly, glue brushing base, fourth motor, fourth lead screw, second belt drive assembly, fourth lead screw nut and glue brushing mechanism; The linear guide rail assembly is installed on the glue brushing base, the third motor is installed on the gluing traverse frame, the third motor is connected to the second lead screw, and the second lead screw is installed on the gluing traverse frame; the third lead screw nut is matched Installed on the second lead screw, the gluing longitudinal moving frame is installed on the gluing transverse moving frame through the fifth linear guide rail assembly, and the third lead screw nut is fixedly connected with the gluing longitudinal moving frame; the gluing device fixing plate passes through the fourth The linear guide rail assembly is installed on the gluing longitudinal moving frame, the tenth cylinder is fixedly arranged above the gluing longitudinal moving frame, the telescopic end of the tenth cylinder is connected to the gluing device fixing plate, and the gluing device is vertically arranged on the gluing device fixing plate , the lower end of the glue applicator is the glue applicator; the glue brush base is set on the frame assembly, the fourth motor is installed in the glue brush base, the fourth lead screw is installed on the glue brush base through the vertical bearing, and the fourth lead screw nut It is installed on the fourth lead screw, and the fourth lead screw nut is connected with the gluing traverse frame; the fourth motor is connected to the fourth lead screw through the second belt transmission assembly; The mechanism is used to apply glue to the glue applicator;

The glue brushing mechanism includes a fifth motor, a sprocket transmission part, a gear transmission part, an intermediate shaft, a brush and a glue tank; the fifth motor is fixedly arranged under the frame assembly, and the fifth motor drives the intermediate shaft to rotate through the sprocket transmission part, The sprocket transmission parts are respectively connected with the output shaft of the fifth motor and the intermediate shaft; the gear transmission parts are respectively installed on the intermediate shaft and the brush rotating shaft;

Nut feeding device includes nut feeding bottom plate, centrifugal disc, vibrator fixing seat, piezoelectric linear vibrator, nut pressing plate, screw tightening device fixing frame, guide plate frame, eleventh cylinder, nut placing plate, twelfth cylinder and guide plate; the nut feeding bottom plate is fixed on the frame assembly, the centrifugal disc is fixed on the nut feeding bottom plate; the piezoelectric linear vibrator is set on the nut feeding bottom plate through the vibrator fixing seat, and the nut pressing plate is set on the pressing plate. On the electric linear vibrator; the fixing frame of the screw tightening device is arranged on the vibrator fixing seat, and the fixing frame of the screw tightening device is used to install the screw tightening device; the guide plate frame is fixed on the vibrator fixing seat, and the position of the guide plate frame corresponds to the piezoelectric type The discharge port of the linear vibrator; the eleventh cylinder is fixed on the guide plate, the telescopic end of the eleventh cylinder is connected to the nut placement plate, the nut placement plate is penetrated on the guide plate, the eleventh cylinder drives the nut placement plate to move up and down, and the nut The upper end of the placing plate is a sleeve that matches the shape of the nut; the position of the nut placing plate is below the fixture assembly, and the upper end of the nut placing plate corresponds to the nut feeding hole on the clamp assembly; the guide plate is installed in the guide plate frame through the moving pair, the first The twelve cylinders are fixedly arranged on the side of the guide plate frame, and the telescopic end of the twelfth cylinder is fixedly connected with the guide plate;

The screw tightening device includes the thirteenth cylinder fixing seat, the thirteenth cylinder, the sixth linear guide rail assembly, the bird's beak fixing plate, the cylindrical guide rod, the lifting screw, the auger clamping mechanism, the auger, the bird's beak and the screw retaining block; the thirteenth cylinder fixing seat is arranged on the fixing frame of the screw tightening device, the thirteenth cylinder is fixedly arranged on the thirteenth cylinder fixing seat, the sixth linear guide rail assembly is vertically installed on the thirteenth cylinder fixing seat, and the cylindrical The guide rod is fixed on the bird's beak fixing plate, and the bird's beak fixing plate is arranged on the sixth linear guide rail assembly; the lifting screw is installed on the bird's beak fixing plate, and the height of the bird's beak fixing plate can be adjusted by turning the lifting screw ;The auger clamping mechanism is used to clamp the vertical installation auger, the auger clamping mechanism is installed on the 13th cylinder fixing seat through the sixth linear guide rail assembly, and the 13th cylinder telescopic end is connected to the auger clamping mechanism ;The bird's beak block is set on the bird's beak block fixing plate, the inner cavity of the bird's beak block is composed of two intersecting round holes, and the Phillips screwdriver at the lower end of the screw drill enters the vertical cylindrical hole; the screw holding block is installed on the side of the bird's beak block , the vertical direction of the screw drill, the mounting hole on the first heat sink n, the mounting hole on the transistor k and the feeding hole of the nut keep the same axis;

The screw drill clamping mechanism includes a movable splint, a fixed splint, a T-shaped nut, a tightening nut and a pin; the movable splint is hinged with the fixed splint through the pin; the inner ring of the movable splint and the fixed splint is arc-shaped; In the T-shaped groove of the splint, the tightening nut is screwed into the movable splint to form a screw pair connection with the T-shaped nut.

Preferably, the second transistor feeding device has the same structure as the first semiconductor feeding device.

Preferably, the structure of the second nut feeding device is the same as that of the first nut feeding device, and the structure of the second screw tightening device is the same as that of the first screw tightening device.

Preferably, the blanking and handling device includes a blanking cantilever frame, a sixth motor, a seventh linear guide rail assembly, a lead screw drive assembly, a blanking transverse sliding table, an eighth linear guide rail assembly, a fourteenth air cylinder, and a second suction cup installation The blanking cantilever frame is fixed on the frame assembly, the sixth motor is set on the blanking cantilever frame, and the blanking transverse sliding table is installed on the blanking cantilever frame through the seventh linear guide rail assembly; the sixth motor The blanking traverse slide table is connected through the screw drive assembly, and the blanking traverse slide table is driven by the screw drive assembly to slide along the direction of the seventh linear guide rail assembly; the fourteenth cylinder is fixedly arranged on the blanking traverse slide table, and the tenth The telescopic end of the four cylinders is connected to the second suction cup mounting frame, and the second suction cup mounting frame is installed on the blanking traverse sliding table through the eighth linear guide rail assembly; the second suction cup mounting frame is provided with two second suction cups, two second suction cups The distance between is the same as the distance between the two sides of the finished product in the fixture assembly.

In the automatic assembly equipment for transistors and heat sinks using the above technical solutions, eight workstations are regularly set on the indexing turntable device, and the workpieces are rotated to enter the corresponding workstations for corresponding operations; the first transistor feeding device is used to transport one transistor. to the fixture assembly of the first station; the second transistor feeding device is used to transport another transistor to the fixture assembly of the second station; the gluing device is used to apply two transistors in the fixture assembly of the third station. The transistor is glued; the first heat sink feeding device is used to transport the first heat sink to the fixture assembly of the fourth station; the second heat sink feeding device is used to transport the second heat sink to the fifth station. on the fixture assembly; the first nut feeding device and the first screw tightening device fix one transistor and the first heat sink; the second nut feeding device and the first screw tightening device fix the other transistor and the second heat sink; down The material handling device is used to transport out the processed products in the fixture assembly 3 of the eighth station. The advantage of the patented automatic assembly equipment for transistors and heat sinks is that the assembly of two different sizes of transistors and heat sinks is completed at the same time, and the processing efficiency is high.

Description of drawings

FIG. 1 is a schematic diagram of an explosion structure according to an embodiment of the present invention.

FIG. 2 is a schematic diagram of an exploded structure of an indexing turntable device according to an embodiment of the present invention.

FIG. 3 is a schematic diagram of an exploded structure of a clamp assembly according to an embodiment of the present invention.

FIG. 4 is a schematic diagram of an exploded structure of a turntable silo mechanism according to an embodiment of the present invention.

FIG. 5 is a schematic diagram of an explosion structure of a transition pushing mechanism according to an embodiment of the present invention.

FIG. 6 is a schematic diagram of an explosion structure of a translation feeding mechanism according to an embodiment of the present invention.

7 is a schematic diagram of an exploded structure of a transistor pin shaping mechanism according to an embodiment of the present invention.

8 is a schematic diagram of an explosion structure of a discharging mechanism according to an embodiment of the present invention.

9 is a schematic diagram of an exploded structure of a rotating turntable mechanism according to an embodiment of the present invention.

10 is a schematic diagram of an explosion structure of a feeding manipulator mechanism according to an embodiment of the present invention.

FIG. 11 is a schematic diagram of an explosion structure of a gluing device according to an embodiment of the present invention.

12 is a schematic diagram of an explosion structure of a glue brushing mechanism according to an embodiment of the present invention.

13 is a schematic diagram of an explosion structure of a nut feeding device according to an embodiment of the present invention.

14 is a schematic diagram of an explosion structure of a screw tightening device according to an embodiment of the present invention.

15 is a schematic diagram of an exploded structure of the auger clamping mechanism according to the embodiment of the present invention.

FIG. 16 is a schematic diagram of an explosion structure of a blanking and handling device according to an embodiment of the present invention.

Detailed ways

The present invention will be further described below with reference to Figures 1-16.

As shown in Figure 1-16, the automatic assembly equipment for transistors and heat sinks includes a rack assembly 1, an indexing turntable device 2, a fixture assembly 3, a first transistor feeding device 4, a second transistor feeding device 40, glue coating Device 6, first cooling fin loading device 5, second cooling fin loading device 50, first nut loading device 7, second nut loading device 70, first screw tightening device 8, second screw tightening device 80 and lower Material handling device 9.

The indexing turntable device 2 is fixedly arranged on the rack assembly 1, and eight workstations are regularly set on the indexing turntable device 2, which are the first workstation, the second workstation, the third workstation, the fourth workstation, The fifth station, the sixth station, the seventh station and the eighth station are rotated to make the workpiece enter the corresponding station for corresponding operations; the fixture assemblies 3 are eight with the same structure, and are evenly arranged on the indexing turntable device 2 The position of each clamp assembly 3 corresponds to a station on the indexing turntable device 2. The clamp assembly 3 is used for clamping and positioning transistors and heat sinks. Each set of clamp assemblies 3 can process heat sinks of two different shapes and sizes at the same time. The first transistor feeding device 4 is fixedly arranged on the rack assembly 1, the position of the first transistor feeding device 4 corresponds to the first station, and the first transistor feeding device 4 is used to transport a transistor to the first station. On the fixture assembly 3, the feeding of one transistor is completed; the second transistor feeding device 40 is fixedly arranged on the rack assembly 1, the position of the second transistor feeding device 40 corresponds to the second station, and the second transistor feeding device 40 It is used to transport another transistor to the fixture assembly 3 of the second station, that is, to complete the feeding of another transistor; the position of the gluing device 6 corresponds to the third station, and the gluing device 6 is used for the third station. The two transistors in the fixture assembly 3 are glued; the position of the first heat sink feeding device 5 corresponds to the fourth station, and the first heat sink feeding device 5 is used to transport the first heat sink to the fixture assembly of the fourth station 3, that is, the feeding of the first heat sink is completed; the position of the second heat sink feeding device 5 corresponds to the fifth station, and the second heat sink feeding device 50 is used to transport the second heat sink to the fixture assembly of the fifth station 3, that is, the feeding of the second heat sink is completed; the first nut feeding device 7 and the first screw tightening device 8 are fixedly arranged on the frame assembly 1, and the first nut feeding device 7 and the first screw tightening device 8 The position corresponds to the sixth station. The nut feeding device 7 is located below the indexing turntable device 2. The nut feeding device 7 is used for feeding a nut; the screw tightening device 8 corresponds to the nut feeding device 7 in the vertical direction. The tightening device 8 is used to screw the screw into the nut to fix a transistor and the first heat sink; the second nut feeding device 70 and the first screw tightening device 8 are fixedly arranged on the rack assembly 1, and the second nut feeding device 70 and the position of the first screw tightening device 8 correspond to the seventh station, the second nut feeding device 70 is located below the indexing turntable device 2, and the second nut feeding device 70 is used for nut feeding; The second nut feeding device 70 corresponds to the vertical direction, and the screw tightening device 8 is used to screw the screw into the nut to fix the other transistor and the first heat sink; The position of the conveying device 9 corresponds to the eighth station, and is used to transport out the processed products in the fixture assembly 3 of the eighth station.

The rack assembly 1 includes a rack frame, a mounting panel, a universal wheel, an anchor screw and a control panel. The mounting panel is fixed on the rack frame, and the control panel is installed inside the rack frame to control the work of the entire working machine. In the state, the universal wheel and the anchor screws are fixedly arranged under the rack frame.

As shown in FIG. 2, the indexing turntable device 2 includes a first motor 21, a first motor mounting seat 22, a first belt drive assembly 23, a worm gear reducer 24 and an indexing turntable 25; the first motor 21 is installed on the first On the motor mounting seat 22, the first motor mounting seat 22 is arranged on the frame assembly 1, and the first motor mounting seat 22 is provided with a vertical slot, and the vertical slot is convenient for adjusting the height of the first motor 21 for tensioning the first motor 21. The belt drive assembly 23; the worm gear reducer 24 is fixed on the frame assembly 1 through the connecting column 28; the first belt drive assembly 23 includes a driving synchronous wheel, a driven synchronous wheel and a synchronous belt, and the first motor 21 passes through the first belt drive assembly 23 is connected to the input shaft 27 of the worm gear reducer 24, and the indexing turntable 25 is fixedly arranged on the output shaft 26 of the worm gear reducer 24;

When the indexing turntable device 2 is in operation, it is driven by the first motor 21, and is driven by the first belt drive assembly 23 to input the power into the worm gear reducer 24, and the worm gear reducer 24 rotates the output shaft 26, thereby driving the indexing turntable 25. The rotation of the first motor 21 is controlled by the step-by-step rotation of the electric pulse.

As shown in FIG. 4 , the clamp assembly 3 includes a clamp base 31 , a first heat sink positioning device, a second heat sink positioning device, a first transistor positioning device and a second transistor positioning device; the clamp base 31 is provided with a first installation slot 310 and the second installation groove 311, the first installation groove 310 and the second installation groove 311 are arranged in parallel, the first heat sink and the first transistor are in the first installation groove 310, and the second heat sink and the second transistor are in the second installation In the groove 311; the fixture base 31 is provided with two screw cap feeding holes 301.

The first transistor positioning device includes a first transistor reference plate 32 and a first transistor adjustment plate 33 , the first transistor reference plate 32 is fixed in the first installation slot 310 , and the first transistor adjustment plate 33 is movably connected in the first installation slot 310 , by adjusting the position of the first transistor adjustment plate 33 in the first installation slot 310 to adjust the distance between the first transistor reference plate 32 and the first transistor adjustment plate 33 to adapt to transistors of different sizes; the pins on the fixture base 31 The slot 313, the pin slot 313 is connected to the first installation slot 310 between the first transistor reference board 32 and the first transistor adjustment board 33, and the pin slot 313 is used to store the pins of the first transistor;

The first heat sink positioning device includes a first heat sink reference plate 34 and a first heat sink adjustment plate 35. The first heat sink reference plate 34 is fixed on the first transistor reference plate 32, and the first heat sink adjustment plate 35 is movably connected to the first heat sink reference plate 32. On the fixture base 31, the distance between the first heat sink reference plate 34 and the first heat sink adjustment plate 35 is adjusted by adjusting the position of the first heat sink adjustment plate 35 to adapt to heat sinks of different sizes; the first heat sink n The mounting hole, a mounting hole for transistor k and a nut feeding hole are concentric.

The second transistor positioning device includes a second transistor reference plate 36 and a second transistor adjustment plate 37 , the second transistor reference plate 36 is fixed in the second installation groove 311 , and the second transistor adjustment plate 37 is movably connected in the second installation groove 311 , adjust the distance between the second transistor reference plate 36 and the second transistor adjustment plate 37 by adjusting the position of the second transistor adjustment plate 37 in the second installation groove 311 to adapt to transistors of different sizes; The pin slot 314, the second pin slot 314 communicates with the second mounting slot 311 between the second transistor reference board 36 and the second transistor adjustment board 37, and the second pin slot 314 is used to store the pins of the second transistor; The second heat sink positioning device includes a second heat sink reference plate 38 and a second heat sink adjustment plate 39. The second heat sink reference plate 38 is fixed on the second transistor reference plate 36, and the second heat sink adjustment plate 39 is movably connected to On the fixture base 31, the distance between the second heat sink reference plate 38 and the second heat sink adjustment plate 39 is adjusted by adjusting the position of the second heat sink adjustment plate 39 to accommodate heat sinks of different sizes; the second heat sink m The mounting hole of , the mounting hole of the other transistor k and the feeding hole of the other nut are concentric.

When in use, one transistor k is located in the first mounting groove 310 between the first transistor reference plate 32 and the first transistor adjustment plate 33 , and the other transistor k is located between the second transistor reference plate 36 and the second transistor adjustment plate 37 inside the first installation groove 311. The first heat sink n is located between the first heat sink reference plate 34 and the first heat sink adjustment plate 35, the first heat sink n is attached to a transistor k, and the mounting hole of the first heat sink n is installed with a transistor k The holes are concentric. The second heat sink m is located between the second heat sink reference plate 38 and the second heat sink adjustment plate 39, the second heat sink m is attached to the other transistor k, and the mounting hole of the second heat sink m is connected to the other transistor k The mounting holes are concentric.

The fixture assembly 3 can process two different shapes of heat sinks at the same time to improve work efficiency and universality. Therefore, a first transistor feeding device 4 and a second transistor feeding device 5 are provided for feeding the two transistors of the fixture assembly 3. , two sets of nut feeding devices 7 and two sets of screw tightening devices 8 are provided to lock the two sets of bolt groups on the clamp assembly 3, so that the function of the clamp assembly 3 can be reflected. This is achieved by changing the jig.

As shown in FIG. 4-FIG. 10, the first transistor feeding device 4 includes a feeding support 41, a turntable bin mechanism 42, a transition pushing mechanism 43, a translation feeding mechanism 44, a transistor pin shaping mechanism 45, and a discharging mechanism. 46. Rotating turntable mechanism 47 and feeding manipulator mechanism 48.

The feeding bracket 41 includes two flat plates and a plurality of uprights. The two flat plates are fixedly connected by a plurality of uprights. The feeding bracket 41 is fixedly arranged on the frame assembly 1; The silo mechanism 42 is used for storing transistors; the transition pushing mechanism 43 is arranged on the feeding bracket 41, the transition pushing mechanism 43 is connected with the turntable silo mechanism 42, and the transition pushing mechanism 43 will drop the transistor from the turntable silo mechanism 42 It is transported to the translation feeding mechanism 44; the translation feeding mechanism 44 is fixedly arranged on the feeding bracket 41, the transistor pin shaping mechanism 45 is installed on the side of the translation feeding mechanism 44, and the transistor is stepped in the translation feeding mechanism 44. Movement, the transistor pins are subjected to bending deformation and cutting processing through the transistor pin shaping mechanism 45; the discharging mechanism 46 positions the transistors after the pins are processed; On the feeding support 41, the rotating turntable mechanism 47 is used to rotate the transistors arranged thereon, the feeding manipulator mechanism 48 is used to transport the transistors to the rotating turntable mechanism 47, and the rotated transistors are then used by the feeding manipulator mechanism. 48 is transported to the fixture assembly 3 of the indexing turntable device 2 to realize transistor k feeding;

The turntable silo mechanism 42 includes a feeding turntable 421, a crystal sleeve 422, a first cylinder 423, a blanking thrust head 424, a circular arc blanking rail 425, a ratchet 426, a clamping claw 427, a second cylinder rotating seat 428, The second cylinder 429, the swivel ring 4210 and the brake claws 4211; the feeding swivel 421 is installed on the feeding support 41 through the rotating pair, and a plurality of crystal sleeves 422 are vertically and evenly arranged on the feeding swivel 421. The sleeves 422 are used to place the transistors k in rows; the first cylinder 423 is fixedly arranged on the feeding swivel 421, the telescopic end of the first cylinder 423 is connected with the blanking thrust head 424, and the first cylinder 423 drives the blanking thrust The linear movement of the head 424, the front end of the blanking thrust head 424 is provided with a cylindrical pin; the bottom end of the crystal sleeve 422 is provided with a circular hole 4220 that matches the cylindrical pin, and the first cylinder 423 moves, so that the cylinder of the blanking thrust head 424 is The pin extends into the circular hole 4220 at the lower end of the crystal sleeve 422 to clamp the transistor k in the crystal sleeve 422 to prevent the transistor k from falling; the arc blanking rail 425 is fixedly arranged on the feeding turntable 421, and the arc blanking The upper end of the rail 425 is connected with the blanking port at the lower end of the crystal sleeve 422; the ratchet wheel 426 is fixedly connected with the rotating shaft of the feeding swivel 421, and the claws 427 are installed on the rotating ring 4210 through the torsion spring, so that the claws 427 and the ratchet wheel 426 are kept Contact; the swivel 4210 is installed on the rotating shaft of the feeding swivel 421 through the rotating pair, and the swivel 4210 is located under the ratchet 426; the second cylinder rotating base 428 is set on the feeding bracket 41, and the second cylinder 429 is installed on the second cylinder to rotate On the seat 428, the telescopic end of the second cylinder 429 is connected to the swivel 4210, the brake pawl 4211 is fixed on the feeding bracket 41, and the brake pawl 4211 contacts the ratchet wheel 426 to prevent the ratchet wheel 426 from moving when the pawl 427 moves. loose.

When the turntable silo mechanism 42 is working, the blanking of the crystal sleeve 422 is controlled by the first cylinder 423. When the first cylinder 423 is extended, the transistor k is prevented from falling, and the falling transistor k transitions down in the arc blanking rail 425; When a crystal sleeve 422 is emptied, the second cylinder 429 expands and contracts to drive the ratchet 426 to move step by step, rotating 45 degrees each time, that is, the crystal sleeve 422 can be replaced, and the working capacity is greatly improved.

The transitional material pushing mechanism 43 includes a third cylinder 431, a material pushing slider 432, a material pushing head 433 and a fixed sliding seat 434; The bar 432 is installed in the fixed sliding seat 434 through the moving pair. The telescopic end of the third cylinder 431 is connected to the pushing slide 432. The pushing head 433 is fixedly arranged on the pushing slide 432. The bottom end of rail 425 is matched in position.

When the transition pushing mechanism 43 is working, it is driven by the third air cylinder 431 to drive the pushing head 433 to move linearly, and push the transistor k at the bottom end of the arc blanking rail 425 to the right, and the transistor k enters the translation feeding mechanism 44;

The translation feeding mechanism 44 includes a feeding main guide rail 441, an upper cover plate 442, a length adjusting plate 443, a fourth air cylinder 444, a feeding claw mounting plate 445, a feeding claw 446, a crystal forming reference plate 447 and a first linear guide rail assembly 448; the feeding main guide rail 441 is fixedly arranged on the feeding bracket 41, the length adjusting plate 443 is installed on the feeding main guiding rail 441, and the length adjusting plate 443 is used to adjust the width of the guide rail to adapt to different lengths of transistors k; upper cover plate 442 is arranged above the feeding main guide rail 441, and the transistor k moves between the feeding main guide rail 441 and the upper cover plate 442; the fourth cylinder 444 is set on the feeding bracket 41 through the fourth cylinder mounting seat 449, and the fourth cylinder 444 The telescopic end is connected with the material claw mounting plate 445; the first linear guide rail assembly 448 includes a sliding rail and a sliding seat that form the matching of the moving pair, the sliding rail is fixedly arranged on the fixed sliding seat 434 and the lower end connecting block 4410, and the material claw mounting plate 445 It is fixed with the sliding seat; the claw mounting plate 445 is located between the feeding main guide rail 441 and the crystal forming reference plate 447, the crystal forming reference plate 447 is set on the feeding bracket 41, and the height of the crystal forming reference plate 447 is flush with the transistor k The fourth cylinder 444 drives the material claw mounting plate 445 to move back and forth along the direction of the first linear guide rail assembly 448; the material pushing claw 446 is installed on the material claw mounting plate 445, and the material pushing claw 446 receives its own gravity to maintain in the natural state Vertical, the left end of the feeding claw 446 is a vertical surface, and the right end is a slope; between the guide rails 441 .

When the translation feeding mechanism 44 is working, when the fourth cylinder 444 contracts, the right end of the pushing claw 446 encounters the transistor k from the inclined surface to the left and then rotates counterclockwise around the pin shaft, and the position of the transistor k remains unchanged. When the cylinder 444 is stretched, the left end of the pushing material claw 446 is a vertical groove, and after contacting with the transistor k, it cannot rotate clockwise due to the interference of the material claw mounting plate 445, thereby driving the transistor k to move to the left stepwise. In the middle, the pin of the transistor k is shaped and cut by the transistor pin shaping mechanism 45;

The transistor pin shaping mechanism 45 includes a fifth cylinder 451, a sixth cylinder 452, a shaping mounting plate 453, a k-foot upper die 454, a k-foot lower die 455, a cutting foot pressing block 456, a lower cutter 457, an upper cutter 458, and an adjusting screw 459 and pin shaping slide rail 4510; the fifth cylinder 451 and the sixth cylinder 452 are fixedly arranged on the upper end of the shaping mounting plate 453, and the k-foot lower die 455 and the lower cutting knife 457 are fixedly arranged on the mounting block i of the shaping mounting plate 453; The pressing block 456 and the upper cutting knife 458 are fixedly arranged in the vertical chute on the left side of the shaping installation plate 453, and the output end of the sixth cylinder 452 is connected to the cutting foot pressing block 456 and the upper cutting blade 458; the k-foot upper die 454 is arranged in the shaping installation In the vertical chute on the right side of the plate 453, the output end of the fifth cylinder 451 is connected to the upper die 454 of the k-pin; On the feeding bracket 41 , the moving distance of the shaping mounting plate 453 on the pin shaping slide rail 4510 is adjusted by rotating the adjusting screw 459 .

When the transistor pin shaping mechanism 45 is working, the transistor pin shaping mechanism 45 is arranged at the side end of the translation feeding mechanism 44, and the distance from the translation feeding mechanism 44 can be adjusted by the adjusting screw 459, and is driven by the fifth cylinder 451, so that the k-pin The upper die 454 descends to contact with the lower die 455 of the k foot, and the pins of the transistor k are respectively bent into k feet; and then the pins of the transistor k are driven by the sixth cylinder 452, which drives the cutting foot pressing block 456 and the upper cutting knife 458 to move toward each other. In the downward movement, the cutting foot pressing block 456 presses the pins, and the upper cutting knife 458 cuts off the excess pins.

The discharging mechanism 46 includes a discharging sliding rail 461, a side stop 462, a seventh cylinder 463 and a seventh cylinder fixing seat 464; The cylinder 463 is set on the feeding support 41 through the seventh cylinder fixing seat 464, and the telescopic end of the seventh cylinder 463 is connected with the discharging slide rail 461; two side blocks 462 are fixedly arranged on the discharging slide rail 461, and two The side stop 462 is vertically arranged for positioning the transistor k;

When the discharging mechanism 46 is working, the transistor k enters the discharging slide rail 461 and is driven by the seventh air cylinder 463 to drive the discharging slide rail 461 to move the transistor k arranged between the two side blocks 462 to the right, and then the discharging slide rail 461 is moved to the right. The robot mechanism 48 is conveyed to the rotary turntable mechanism 47 .

The rotary turntable mechanism 47 includes a rotary storage seat 471 , a gear 472 , a rack 473 , a first limit detector 474 , a rack rail 475 and an eighth cylinder 476 ; 41, the rotating seat 471 is used to place the transistor k, and the rotating seat 471 is provided with two mutually perpendicular positioning blocks, and the two positioning blocks are used for positioning the transistor k; 473 is connected to the rack rail 475, and the rack rail 475 is fixedly arranged on the feeding bracket 41; the first limit detector 474 is fixedly arranged on the feeding bracket 41 through the first limit detector mounting seat 477, the eighth The fixed end of the cylinder 476 is fixedly arranged on the feeding bracket 41 through the eighth cylinder fixing seat 478 , and the telescopic end of the eighth cylinder 476 is connected with the rack 473 .

When the rotating turntable mechanism 47 is in use, the eighth cylinder 476 drives the rack 473 to move in the rack slide 475, and the moving limit position is controlled by the first limit detector 474, that is, the rotation angle of the rotating storage seat 471 is controlled, so that the rack 471 is placed in the rotating position. The transistor k on the storage seat 471 rotates to a certain extent, and the purpose of rotating the transistor k is: the conveying mode of the feeding manipulator mechanism 48 is translation, and the attitude of the transistor k in the first transistor feeding device 4 coming out of the discharging mechanism 46 There is an angular gap with the workpiece that needs to be placed in the fixture assembly 3 , which needs to be corrected by rotating the turntable mechanism 47 . Two heat sinks of different sizes can be processed on each fixture assembly 3 , and the sizes of transistors on each fixture assembly 3 can be the same or different. The eight workstations in this patent are set regularly, because the heat sinks and transistors on each fixture assembly 3 are two groups, that is, the first transistor feeding device 4 and the second transistor feeding device 40 operate on the fixture assembly 3 correspondingly. The operating positions are different. In order to ensure the accuracy of the position of the workpiece after entering the fixture assembly 3, it is particularly necessary to rotate the turntable mechanism 47 for correction.

The feeding manipulator mechanism 48 includes a second motor mounting seat 481, a second motor 482, a first lead screw nut 483, a first lead screw 484, a second linear guide rail assembly 485, a ninth cylinder 486, a ninth cylinder block 487, a The three linear guide rail assembly 488, the first suction cup mounting bracket 489 and the first suction cup 4810; the second motor 482 is arranged on the feeding bracket 41 through the second motor mounting seat 481, and the first lead screw nut 483 is fitted on the first lead screw 484, the first lead screw 484 is mounted on the second motor mounting seat 481 through the bearing 4811, the output shaft of the second motor 482 is connected to the first lead screw 484; the ninth cylinder 486 is vertically arranged on the ninth cylinder seat 487, the first The nine cylinder block 487 is mounted on the second motor mounting block 481 through the second linear guide rail assembly 485 , the ninth cylinder block 487 is connected with the first lead screw nut 483 ; the first suction cup mounting frame 489 is mounted on the third linear guide rail assembly 488 On the ninth cylinder seat 487 , the telescopic end of the ninth cylinder 486 is connected to the first suction cup mounting frame 489 , and two sets of first suction cups 4810 are arranged on the first suction cup mounting frame 489 .

When the feeding manipulator mechanism 48 is in use, it is driven by the second motor 482 and driven by the screw nut pair to drive the ninth cylinder base 487 to move horizontally in the direction of the second linear guide rail assembly 485, and the ninth cylinder 486 drives the first suction cup mounting frame 489 moves vertically along the direction of the third linear guide rail assembly 488, thereby synthesizing a two-dimensional motion in a vertical plane, the transistor k is sucked by the first suction cup 4810, and a set of first suction cups 4810 at the right end removes the transistor k from the discharging mechanism 46 is transported to the rotating turntable mechanism 47, and another group of first suction cups 4810 at the left end transports the transistor k from the rotating turntable mechanism 47 to the fixture assembly 3 corresponding to the first station.

The second transistor loading device 40 has the same structure as the first semiconductor loading device 4 .

The first heat sink feeding device 5 includes a first heat sink conveyor belt and a first heat sink reclaimer manipulator, and the first heat sink reclaimer manipulator moves the first heat sink n on the first heat sink conveyor belt to the third station. On the clamp assembly 3, specifically, the first heat sink n is attached to a transistor k.

The second cooling fin feeding device 50 includes a second cooling fin conveyor belt and a second cooling fin picking manipulator, and the second cooling fin picking manipulator moves the second cooling fin m on the second cooling fin conveyor belt to the fourth position. The fixture assembly 3, specifically, the second heat sink m is attached to another transistor k.

As shown in FIGS. 11 and 12 , the gluing device 6 includes a gluing traverse frame 61 , a third motor 62 , a second lead screw 63 , a third lead screw nut 64 , a gluing longitudinal frame 65 , and a fourth linear guide rail assembly 66, fifth linear guide rail assembly 67, tenth cylinder 68, glue applicator fixing plate 69, glue applicator 610, sixth linear guide rail assembly 611, glue brushing base 612, fourth motor 613, fourth lead screw 614, The second belt drive assembly 615, the fourth screw nut 616 and the gluing mechanism 617; the gluing traverse frame 61 is installed on the gluing base 612 through the sixth linear guide rail assembly 611, and the third motor 62 is installed on the gluing traverse On the frame 61, the third motor 62 is connected to the second lead screw 63, and the second lead screw 63 is installed on the gluing traverse frame 61; The frame 65 is installed on the gluing traverse frame 61 through the fifth linear guide rail assembly 67 , and the third screw nut 64 is fixedly connected with the gluing longitudinal moving frame 65 ; On the gluing longitudinal moving frame 65, the tenth cylinder 68 is fixedly arranged above the gluing longitudinal moving frame 65, the telescopic end of the tenth cylinder 68 is connected to the gluing device fixing plate 69, and the gluing device 610 is vertically arranged on the gluing device fixing plate 69, the lower end of the glue applicator 610 is the glue applicator head; the glue brush base 612 is arranged on the frame assembly 1, the fourth motor 613 is installed in the glue brush base 612, and the fourth lead screw 614 is installed on the brush base 612 through the vertical bearing 618. On the glue base 612 , the fourth lead screw nut 616 is fitted on the fourth lead screw 614 , and the fourth lead screw nut 616 is connected with the glue coating traverse frame 61 ; Four lead screws 614; the gluing mechanism 617 is arranged on the gluing base 612, and the gluing mechanism 617 is used for gluing the glue applicator 610;

When the gluing device 6 is in use, the fourth motor 613 drives the fourth lead screw nut 616 to move left and right through the second belt drive assembly 615, and then drives the entire gluing traverse frame 61 to move, respectively. Glue application: The third motor 62 and the tenth cylinder 68 act together to drive the glue applicator 610 to finish dipping the glue in the glue brushing mechanism 617, and then close to the surface of the transistor k to brush glue.

The glue brushing mechanism 617 includes a fifth motor 6171, a sprocket transmission part 6172, a gear transmission part 6173, an intermediate shaft 6174, a brush 6175 and a glue tank 6176; the fifth motor 6171 is fixedly arranged under the frame assembly 1, and the fifth motor 6171 The intermediate shaft 6174 is driven to rotate by the sprocket transmission part 6172, which is respectively connected to the output shaft of the fifth motor 6171 and the intermediate shaft 6174;

When the glue brushing mechanism 617 works, it is driven by the fifth motor 6171. After being driven by the sprocket transmission part 6172 and the gear transmission part 6173, it drives the brush 6175 to rotate, and the brush 6175 drives the glue in the glue tank 6176. When the glue applicator 610 After the lower end is in contact with the brush 6175, the glue is dipped.

As shown in FIG. 13 , the nut feeding device 7 includes a nut feeding base plate 71 , a centrifugal disc 72 , a vibrator fixing seat 73 , a piezoelectric linear vibrator 74 , a nut pressing plate 75 , a screw tightening device fixing frame 76 , and a guide plate frame 77 , the eleventh cylinder 78, the nut placement plate 79, the twelfth cylinder 710 and the guide plate 711; the nut feeding base plate 71 is fixedly arranged on the rack assembly 1, the centrifugal disc 72 is fixedly arranged on the nut feeding base plate 71, and the centrifugal disc 72 is used to place the nut to be loaded; the piezoelectric linear vibrator 74 is set on the nut feeding base plate 71 through the vibrator fixing seat 73, and the nut pressing plate 75 is set on the piezoelectric linear vibrator 74 to prevent the nut from falling off. , the nuts s are arranged in order in the track 712 at the upper end of the piezoelectric linear vibrator 74, and feed to the right; the screw tightening device fixing frame 76 is arranged on the vibrator fixing seat 73, and the screw tightening device fixing frame 76 is used for installing screws Tightening device 8; the guide plate frame 77 is fixedly arranged on the vibrator fixing seat 73, and the position of the guide plate frame 77 corresponds to the discharge port of the piezoelectric linear vibrator 74; the eleventh cylinder 78 is fixedly arranged on the guide plate 711, and the eleventh cylinder 78 The telescopic end is connected to the nut placing plate 79, the nut placing plate 79 is penetrated on the guide plate 711, the eleventh cylinder 78 drives the nut placing plate 79 to move up and down, and the upper end of the nut placing plate 79 is a sleeve that matches the shape of the nut, ready to use In order to place the nut and prevent the nut from rotating; the position of the nut placing plate 79 is below the clamp assembly 3, and the upper end of the nut placing plate 79 corresponds to the nut feeding hole 301 on the clamp assembly 3; , the twelfth cylinder 710 is fixedly arranged on the side of the guide plate frame 77 , and the telescopic end of the twelfth cylinder 710 is fixedly connected with the guide plate 711 .

As shown in FIGS. 14 and 15 , the screw tightening device 8 includes a thirteenth cylinder fixing seat 81 , a thirteenth cylinder 82 , a sixth linear guide rail assembly 83 , a bird’s beak fixing plate 84 , a cylindrical guide rod 85 , and a lifting screw 86 , screw drill clamping mechanism 87, screw drill 88, bird's beak block 89 and screw holding block 810; the thirteenth cylinder fixing seat 81 is arranged on the screw tightening device fixing frame 76, and the thirteenth cylinder 82 is fixedly arranged on the thirteenth On the cylinder fixing seat 81, the sixth linear guide rail assembly 83 is vertically installed on the thirteenth cylinder fixing seat 81, the cylindrical guide rod 85 is fixedly arranged on the bird's beak fixing plate 84, and the bird's beak fixing plate 84 is arranged on the sixth On the slider at the lower end of the linear guide rail assembly 83; the lifting screw 86 is installed on the bird's beak fixing plate 84, and the lower end is against the thirteenth cylinder fixing seat 81, and the height of the bird's beak fixing plate 84 is adjusted by rotating the lifting screw 86, In order to adapt to the height of the workpiece in the fixture assembly 3; the auger clamping mechanism 87 is used to clamp the vertical installation auger 88, and the auger clamping mechanism 87 is installed on the thirteenth cylinder fixing seat 81 through the sixth linear guide rail assembly 83 The telescopic end of the thirteenth cylinder 82 is connected to the screw drill clamping mechanism 87; the lower end of the screw drill 88 is a Phillips screwdriver, which can be rotated electrically; It consists of two intersecting circular holes. The Phillips screwdriver at the lower end of the screw drill 88 enters the vertical cylindrical hole, and the cylindrical hole on the side is used for manual or mechanical placement of screws t; the screw holding block 810 is installed on the side of the bird's beak block 89, It is used to keep the screw t upright when screwing in the nut s, and the screw drill 88, the mounting hole on the first heat sink n, the mounting hole on the transistor k and the nut feeding hole keep the same axis in the vertical direction.

When the nut feeding device 7 and the screw tightening device 8 are working, the centrifugal disc 72 throws the nuts into the piezoelectric linear vibrator 74, and the piezoelectric linear vibrator 74 feeds the nuts S in an orderly manner, and the nut S is fed in an orderly manner. The twelve cylinders 710 adjust the guide plate 711 to move left and right to align the nut placing plate 79 with the discharge port of the piezoelectric linear vibrator 74. The nut placing plate 79 is lifted and lowered by the eleventh cylinder 78, and the nut is vibrated into the nut when descending. Place the plate 79, then rise, lift the nut downward and upward to send the nut into the nut feeding hole 301 on the fixture assembly 3 of the fifth station. The screw t is put into the inclined round hole on the side of the bird's beak block 89, and then slides down into the vertical round hole under the action of gravity. Work, turn the screw t and tighten the nut s arranged under the clamp assembly 3, the nut feeding device 7 and the screw tightening device 8 work together to bolt the transistor k and the first heat sink, thereby clamping the clamp assembly 3. A first heat sink and a transistor to achieve lock-up.

The auger clamping mechanism 87 includes a movable splint 871, a fixed splint 872, a T-shaped nut 873, a tightening nut 874 and a pin 875; the movable splint 871 is hinged with the fixed splint 872 through the pin 875; the movable splint 871 and the inner ring of the fixed splint 872 It is arc-shaped and matches the shape of the outer wall of the auger 88; the T-shaped nut 873 is arranged in the T-shaped groove of the fixed splint 872, and the tightening nut 874 is screwed in from the movable splint 871 to form a screw pair connection with the T-shaped nut 873.

When the auger clamping mechanism 87 works, the auger 88 is arranged between the movable splint 871 and the fixed splint 872, and the T-shaped nut 873 cannot rotate in the fixed splint 872, and the auger 88 is clamped by rotating the tightening nut 874.

The structure of the second nut feeding device 70 is the same as that of the first nut feeding device 7 , and the structure of the second screw tightening device 80 is the same as that of the first screw tightening device 8 . The second nut feeding device 70 and the second screw tightening device 80 jointly operate the fixture assembly 3 of the seventh station, and bolt the other transistor k to the second heat sink, thereby clamping the fixture of the seventh station A second heat sink and another transistor in assembly 3, to achieve lock-up.

As shown in FIG. 16 , the blanking and handling device 9 includes a blanking cantilever frame 91 , a sixth motor 92 , a seventh linear guide rail assembly 93 , a screw drive assembly 94 , a blanking transverse sliding table 95 , and an eighth linear guide rail assembly 96 , the fourteenth cylinder 97, the second suction cup mounting frame 98 and the second suction cup 99; the blanking cantilever frame 91 is fixedly arranged on the frame assembly 1, the sixth motor 92 is arranged on the blanking cantilever frame 91, and the blanking cantilever frame 91 moves laterally and slides The stage 95 is installed on the unloading cantilever frame 91 through the seventh linear guide rail assembly 93; Slide along the direction of the seventh linear guide rail assembly 93; the fourteenth cylinder 97 is fixedly arranged on the unloading traverse sliding table 95, the telescopic end of the fourteenth cylinder 97 is connected to the second suction cup mounting frame 98, and the second suction cup mounting frame 98 passes through the eighth The linear guide rail assembly 96 is installed on the unloading transverse sliding table 95; the second suction cup mounting frame 98 is provided with two second suction cups 99, and the distance between the two second suction cups 99 is the distance between the two sides of the finished product in the clamp assembly 3. same.

When the blanking and handling device 9 is working, the sixth motor 92 and the fourteenth cylinder 97 act together to drive the second suction cup 99 to move in the vertical plane, and transport the finished product from the fixture assembly 3 to complete the processing.

Claims (3)

1. Automatic assembly equipment for transistors and heat sinks, characterized by comprising a rack assembly (1), an indexing turntable device (2), a clamp assembly (3), a first transistor feeding device (4), and a second transistor feeding device Device (40), gluing device (6), first heat sink feeding device (5), second heat sink feeding device (50), first nut feeding device (7), second nut feeding device (70) ), the first screw tightening device (8), the second screw tightening device (80) and the blanking and handling device (9); The indexing turntable device (2) is fixedly arranged on the frame assembly (1), and eight workstations are regularly arranged on the indexing turntable device (2), which are respectively the first workstation, the second workstation and the third workstation. , the fourth station, the fifth station, the sixth station, the seventh station and the eighth station; the fixture components (3) are eight with the same structure, and are evenly arranged on the indexing turntable device (2), The position of each fixture assembly (3) corresponds to a station on the indexing turntable device (2); the first transistor feeding device (4) is fixedly arranged on the rack assembly (1), and the first transistor feeding device ( 4) The position corresponds to the first station, the first transistor feeding device (4) is used to transport a transistor to the fixture assembly (3) of the first station; the second transistor feeding device (40) is fixedly arranged on the machine On the rack assembly (1), the position of the second transistor feeding device (40) corresponds to the second station, and the second transistor feeding device (40) is used to transport another transistor to the fixture assembly (3) of the second station The position of the gluing device (6) corresponds to the third station, and the gluing device (6) is used for gluing the two transistors in the fixture assembly (3) of the third station; the first heat sink feeding device (5) The position corresponds to the fourth station, and the first heat sink feeding device (5) is used to transport the first heat sink to the fixture assembly (3) of the fourth station; the position of the second heat sink feeding device (50) Corresponding to the fifth station, the second heat sink feeding device (50) is used to transport the second heat sink to the fixture assembly (3) of the fifth station; the first nut feeding device (7) and the first screw are tightened The device (8) is fixedly arranged on the frame assembly (1), the positions of the first nut feeding device (7) and the first screw tightening device (8) correspond to the sixth station; the second nut feeding device (70) and The first screw tightening device (8) is fixedly arranged on the frame assembly (1), the positions of the second nut feeding device (70) and the first screw tightening device (8) correspond to the seventh station; ) is arranged on the frame assembly (1), and the position of the unloading and handling device (9) corresponds to the eighth station; The indexing turntable device (2) comprises a first motor (21), a first motor mounting seat (22), a first belt drive assembly (23), a worm gear reducer (24) and an indexing turntable (25); the first The motor (21) is mounted on the first motor mounting seat (22), and the first motor mounting seat (22) is mounted on the frame assembly (1); the worm gear reducer (24) is fixed on the frame assembly (1); The first belt transmission assembly (23) includes a driving synchronous wheel, a driven synchronous wheel and a synchronous belt, and the first motor (21) is connected to the input shaft (27) of the worm gear reducer (24) through the first belt transmission assembly (23) , the indexing turntable (25) is fixedly arranged on the output shaft (26) of the worm gear reducer (24); The clamp assembly (3) includes a clamp base (31), a first heat sink positioning device, a second heat sink positioning device, a first transistor positioning device and a second transistor positioning device; the clamp base (31) is provided with a first installation groove 310 and the second installation groove (311), the first installation groove (310) and the second installation groove (311) are arranged in parallel, the first heat sink and the first transistor are in the first installation groove (310), the second heat sink and the second transistor are located in the second installation groove (311); the fixture base (31) is provided with two screw cap feeding holes (301); The first transistor positioning device includes a first transistor reference plate (32) and a first transistor adjustment plate (33), the first transistor reference plate (32) is fixed in the first mounting groove (310), and the first transistor adjustment plate (33) ) is movably connected in the first installation slot (310), and the first transistor reference plate (32) and the first transistor adjustment plate ( 33) the distance between; the pin slot (313) on the fixture base (31), the pin slot (313) is connected to the first installation between the first transistor reference board (32) and the first transistor adjustment board (33) The slot (310), the pin slot (313) is used to store the pins of the first transistor; the first heat sink positioning device includes a first heat sink reference plate (34) and a first heat sink adjustment plate (35), the first heat sink The heat sink reference plate (34) is fixed on the first transistor reference plate (32), the first heat sink adjustment plate (35) is movably connected to the fixture base (31), and the first heat sink adjustment plate (35) is adjusted by adjusting the The distance between the first heat sink reference plate (34) and the first heat sink adjustment plate (35) is adjusted in position; the mounting hole of the first heat sink n, the mounting hole of a transistor K and a nut feeding hole are coaxial Heart; The second transistor positioning device includes a second transistor reference plate (36) and a second transistor adjustment plate (37), the second transistor reference plate (36) is fixed in the second mounting groove (311), and the second transistor adjustment plate (37) ) is movably connected in the second installation slot (311), and the second transistor reference plate (36) and the second transistor adjustment plate ( 37); the second pin slot (314) on the fixture base (31), and the second pin slot (314) communicates between the second transistor reference board (36) and the second transistor adjustment board (37) The second mounting slot (311) of the second pin slot (314) is used to store the pins of the second transistor; the second heat sink positioning device includes a second heat sink reference plate (38) and a second heat sink adjustment plate (39), the second heat sink reference plate (38) is fixed on the second transistor reference plate (36), and the second heat sink adjustment plate (39) is movably connected to the fixture base (31), by adjusting the second heat sink The position of the adjustment plate (39) adjusts the distance between the second heat sink reference plate (38) and the second heat sink adjustment plate (39); the mounting hole of the second heat sink m, the mounting hole of another transistor K and another A nut feed hole is concentric; The first transistor feeding device (4) includes a feeding support (41), a turntable silo mechanism (42), a transition pushing mechanism (43), a translation feeding mechanism (44), a transistor pin shaping mechanism (45), A discharging mechanism (46), a rotating turntable mechanism (47) and a feeding manipulator mechanism (48); The feeding bracket (41) is fixedly arranged on the rack assembly (1); the turntable silo mechanism (42) is arranged on the feeding bracket (41), and the turntable silo mechanism (42) is used for storing transistors; the transition pushing mechanism ( 43) Set on the feeding bracket (41), the transitional pushing mechanism (43) is connected with the turntable silo mechanism (42), and the transitional pushing mechanism (43) will transport the transistors dropped from the turntable silo mechanism (42) to the In the translation feeding mechanism (44); the translation feeding mechanism (44) is fixedly arranged on the feeding bracket (41), the transistor pin shaping mechanism (45) is installed on the side of the translation feeding mechanism (44), and the transistor is in the translation The feeding mechanism (44) moves in a stepwise manner, and the transistor pins are bent, deformed and cut through the transistor pin shaping mechanism (45); the discharge mechanism (46) positions the transistors after the pins are processed; The turntable mechanism (47) and the feeding manipulator mechanism (48) are both fixedly arranged on the feeding support (41), and the rotating turntable mechanism (47) is used to rotate the transistors arranged thereon, and the feeding manipulator mechanism (48) Used to transport transistors into the rotating turntable mechanism (47); The turntable silo mechanism (42) includes a feeding turntable (421), a crystal sleeve (422), a first cylinder (423), a blanking thrust head (424), a circular arc blanking rail (425), a ratchet (423) 426), clamping claw (427), second cylinder rotating seat (428), second cylinder (429), rotating ring (4210) and braking claw (4211); the feeding swivel base (421) is installed by the rotating pair On the feeding support (41), a plurality of crystal sleeves (422) are vertically and evenly arranged on the feeding turret (421); the first cylinder (423) is fixedly arranged on the feeding turret (421), and the first cylinder (423) The telescopic end of a cylinder (423) is connected with the blanking thrust head (424), the first cylinder (423) drives the linear motion of the blanking thrust head (424), and the front end of the blanking thrust head (424) is provided with a cylinder The bottom end of the crystal sleeve (422) is provided with a circular hole (4220) that matches the cylindrical pin; the arc blanking rail (425) is fixedly arranged on the feeding swivel (421), and the arc blanking rail (425) ) upper end is connected with the blanking opening at the lower end of the crystal sleeve (422); the ratchet (426) is fixedly connected with the rotating shaft of the feeding swivel (421), and the claws (427) are installed on the rotating ring (4210) through the torsion spring , so that the pawl (427) keeps in contact with the ratchet (426); the swivel (4210) is installed on the rotating shaft of the feeding swivel (421) through the rotating pair, and the swivel (4210) is located under the ratchet (426); the second cylinder The rotating seat (428) is arranged on the feeding bracket (41), the second air cylinder (429) is installed on the second air cylinder rotating seat (428), and the telescopic end of the second air cylinder (429) is connected with the rotating ring (4210), The braking claw (4211) is fixedly arranged on the feeding bracket (41), and the braking claw (4211) is in contact with the ratchet (426); The transition material pushing mechanism (43) includes a third air cylinder (431), a material pushing slider (432), a material pushing head (433) and a fixed sliding seat (434); the third air cylinder (431) passes through the third air cylinder mounting seat ( 435) is fixedly arranged on the feeding bracket (41), the pusher slide (432) is installed in the fixed slide (434) through the moving pair, and the telescopic end of the third cylinder (431) is connected to the pusher slide (432) , the material pushing head (433) is fixedly arranged on the material pushing slider (432), and the material pushing head (433) matches the position of the bottom end of the arc blanking rail (425); The translation feeding mechanism (44) includes a feeding main guide rail (441), an upper cover plate (442), a length adjusting plate (443), a fourth air cylinder (444), a material claw mounting plate (445), a material pushing claw ( 446), the crystal forming reference plate (447) and the first linear guide rail assembly (448); the feeding main guide rail (441) is fixedly arranged on the feeding bracket (41), and the length adjusting plate (443) is installed on the feeding main guide rail (441); the upper cover plate (442) is arranged above the main feed rail (441), and the transistor K moves between the main feed rail (441) and the upper cover plate (442); the fourth cylinder (444) passes through The fourth cylinder mounting seat (449) is arranged on the feeding bracket (41), and the telescopic end of the fourth cylinder (444) is connected to the material claw mounting plate (445); The sliding rail and the sliding seat are fixed on the fixed sliding seat (434) and the lower end connecting block (4410), and the claw mounting plate (445) is fixed with the sliding seat; Between the main guide rail (441) and the crystal forming reference plate (447), the crystal forming reference plate (447) is arranged on the feeding bracket (41); the fourth air cylinder (444) drives the material claw mounting plate (445) along the first The linear guide rail assembly (448) moves back and forth in the direction; the material pushing claw (446) is installed on the material claw mounting plate (445); (433) is located between the bottom end of the arc blanking rail (425) and the main feed rail (441); The transistor pin shaping mechanism (45) includes a fifth cylinder (451), a sixth cylinder (452), a shaping mounting plate (453), a k-foot upper die (454), a k-foot lower die (455), a cutting foot pressing block ( 456), lower cutter (457), upper cutter (458), adjusting screw (459) and pin shaping slide rail (4510); the fifth cylinder (451) and the sixth cylinder (452) are fixed on the shaping mounting plate (453) At the upper end, the k-foot lower die (455) and the lower cutter (457) are fixedly arranged on the mounting block i of the shaping mounting plate (453); the cutting foot pressing block (456) and the upper cutter (458) are fixedly arranged on the shaping In the vertical chute on the left side of the mounting plate (453), the output end of the sixth cylinder (452) is connected to the cutting foot pressure block (456) and the upper cutting knife (458); the k foot upper die (454) is arranged on the shaping mounting plate ( 453) In the vertical chute on the right side, the output end of the fifth cylinder (451) is connected to the upper die (454) of the k-pin; The foot shaping slide rail (4510) is fixedly arranged on the feeding bracket (41), and the moving distance of the shaping mounting plate (453) on the pin shaping slide rail (4510) is adjusted by turning the adjusting screw (459); The discharge mechanism (46) includes a discharge slide rail (461), a side block (462), a seventh cylinder (463) and a seventh cylinder fixing seat (464); the discharge slide rail (461) is installed through a moving pair In the chute of the feeding main guide rail (441), the seventh cylinder (463) is set on the feeding bracket (41) through the seventh cylinder fixing seat (464), and the telescopic end of the seventh cylinder (463) is connected to the discharging slide rail. (461) are connected; two side blocks (462) are fixedly arranged on the discharge slide rail (461), and the two side blocks (462) are set vertically; (441) match; The rotating turntable mechanism (47) includes a rotating object seat (471), a gear (472), a rack (473), a first limit detector (474), a rack rail (475) and an eighth cylinder (476) ;The rotating seat (471) is installed on the feeding bracket (41) through the horizontal bearing (479). The rotating seat (471) is used to place the transistor K. The rotating seat (471) is provided with two mutually perpendicular positioning blocks ;The rotating storage seat (471) is connected to the rack rail (475) through the gear (472) and the rack (473), and the rack rail (475) is fixedly arranged on the feeding bracket (41); the first limit detection The detector (474) is fixedly arranged on the feeding bracket (41) through the first limit detector mounting seat (477), and the fixed end of the eighth cylinder (476) is fixedly arranged on the feeding bracket through the eighth cylinder fixing seat (478). On (41), the telescopic end of the eighth cylinder (476) is connected to the rack (473); The feeding manipulator mechanism (48) includes a second motor mounting seat (481), a second motor (482), a first lead screw nut (483), a first lead screw (484), a second linear guide rail assembly (485), Ninth cylinder (486), ninth cylinder block (487), third linear guide assembly (488), first suction cup mount (489) and first suction cup (4810); second motor (482) through second motor The mounting seat (481) is arranged on the feeding bracket (41), the first lead screw nut (483) is fitted on the first lead screw (484), and the first lead screw (484) is mounted on the first lead screw (484) through the bearing (4811). On the second motor mounting base (481), the output shaft of the second motor (482) is connected to the first lead screw (484); the ninth cylinder (486) is vertically arranged on the ninth cylinder base (487), and the ninth cylinder base ( 487) is mounted on the second motor mount (481) through the second linear guide rail assembly (485), the ninth cylinder mount (487) is connected with the first lead screw nut (483); the first suction cup mount (489) The third linear guide rail assembly (488) is mounted on the ninth cylinder seat (487), the telescopic end of the ninth cylinder (486) is connected to the first suction cup mounting bracket (489), and the two sets of first suction cups (4810) are arranged on the first suction cups (4810). On the suction cup mounting bracket (489); The first heat sink feeding device (5) includes a first heat sink conveyor belt and a first heat sink reclaimer manipulator, and the first heat sink reclaimer manipulator moves the first heat sink n on the first heat sink conveyor belt to the third on the fixture assembly (3) of the workstation; The second heat sink feeding device (50) includes a second heat sink conveyor belt and a second heat sink reclaimer manipulator, and the second heat sink reclaimer manipulator moves the second heat sink m on the second heat sink conveyor belt to the fourth heat sink. on the clamp assembly (3) in place; The gluing device (6) comprises a gluing traverse frame (61), a third motor (62), a second lead screw (63), a third lead screw nut (64), a gluing longitudinal moving frame (65), a third lead screw (63), Four linear guide rail assemblies (66), fifth linear guide rail assemblies (67), tenth cylinder (68), glue applicator fixing plate (69), glue applicator (610), sixth linear guide rail assembly (611), brush glue base (612), fourth motor (613), fourth lead screw (614), second belt drive assembly (615), fourth lead screw nut (616) and glue brushing mechanism (617); The frame (61) is installed on the gluing base (612) through the sixth linear guide rail assembly (611), the third motor (62) is installed on the gluing traverse frame (61), and the third motor (62) is connected to the second The lead screw (63) and the second lead screw (63) are installed on the glued traverse frame (61); the third lead screw nut (64) is fitted on the second lead screw (63), and the glued vertical movement frame (65) The fifth linear guide rail assembly (67) is installed on the glue applicator traverse frame (61), and the third lead screw nut (64) is fixedly connected with the glue applicator longitudinal travel frame (65); the glue applicator fixing plate ( 69) The fourth linear guide rail assembly (66) is installed on the gluing longitudinal moving frame (65), the tenth cylinder (68) is fixedly arranged above the gluing longitudinal moving frame (65), and the telescopic end of the tenth cylinder (68) is The glue applicator fixing plate (69) is connected, the glue applicator (610) is vertically arranged on the glue applicator fixing plate (69), the lower end of the glue applicator (610) is a glue applicator; the glue brushing base (612) is arranged on the On the frame assembly (1), the fourth motor (613) is installed in the glue brush base (612), the fourth lead screw (614) is installed on the glue brush base (612) through the vertical bearing (618), the fourth The lead screw nut (616) is fitted on the fourth lead screw (614), and the fourth lead screw nut (616) is connected with the glue-coated traverse frame (61); the fourth motor (613) passes through the second belt drive assembly (615) Connect the fourth lead screw (614); the gluing mechanism (617) is arranged on the gluing base (612), and the gluing mechanism (617) is used for gluing the glue applicator (610); The glue brushing mechanism (617) includes a fifth motor (6171), a sprocket transmission part (6172), a gear transmission part (6173), an intermediate shaft (6174), a brush (6175) and a glue tank (6176); the fifth motor (6171) is fixedly arranged under the frame assembly (1), the fifth motor (6171) drives the intermediate shaft (6174) to rotate through the sprocket transmission part (6172), and the sprocket transmission part (6172) is connected to the fifth motor (6171) respectively ) output shaft and intermediate shaft (6174); gear transmission components (6173) are respectively installed on the intermediate shaft (6174) and brush (6175) rotating shaft; The nut feeding device (7) includes a nut feeding base plate (71), a centrifugal disc (72), a vibrator fixing seat (73), a piezoelectric linear vibrator (74), a nut pressing plate (75), and a screw tightening device for fixing frame (76), guide plate frame (77), eleventh cylinder (78), nut placement plate (79), twelfth cylinder (710) and guide plate (711); the nut feeding base plate (71) is fixedly arranged on the machine On the rack assembly (1), the centrifugal disc (72) is fixedly arranged on the nut feeding base plate (71); the piezoelectric linear vibrator (74) is set on the nut feeding base plate (71) through the vibrator fixing seat (73) The nut pressing plate (75) is arranged on the piezoelectric linear vibrator (74); the screw tightening device fixing frame (76) is arranged on the vibrator fixing seat (73), and the screw tightening device fixing frame (76) is used for installation The screw tightening device (8); the guide plate frame (77) is fixedly arranged on the vibrator fixing seat (73), and the position of the guide plate frame (77) corresponds to the discharge port of the piezoelectric linear vibrator (74); the eleventh cylinder ( 78) Fixed on the guide plate (711), the telescopic end of the eleventh cylinder (78) is connected to the nut placement plate (79), the nut placement plate (79) is penetrated on the guide plate (711), and the eleventh cylinder (78) Drive the nut placing plate (79) to move up and down, the upper end of the nut placing plate (79) is a sleeve that matches the shape of the nut; the position of the nut placing plate (79) is below the clamp assembly (3), and the upper end of the nut placing plate (79) is located Corresponding to the nut feeding hole (301) on the fixture assembly (3); the guide plate (711) is installed in the guide plate frame (77) through the moving pair, and the twelfth cylinder (710) is fixedly arranged on the side of the guide plate frame (77) square, the telescopic end of the twelfth cylinder (710) is fixedly connected with the guide plate (711); The screw tightening device (8) includes a thirteenth cylinder fixing seat (81), a thirteenth cylinder (82), a sixth linear guide rail assembly (83), a bird's beak fixing plate (84), a cylindrical guide rod (85), The lifting screw (86), the screw drill clamping mechanism (87), the screw drill (88), the bird's beak block (89) and the screw holding block (810); the thirteenth cylinder fixing seat (81) is arranged on the screw tightening device to fix On the frame (76), the thirteenth cylinder (82) is fixedly arranged on the thirteenth cylinder fixing seat (81), and the sixth linear guide rail assembly (83) is vertically installed on the thirteenth cylinder fixing seat (81), The cylindrical guide rod (85) is fixedly arranged on the bird's beak block fixing plate (84), the bird's beak fixing plate (84) is arranged on the sixth linear guide rail assembly (83); the lifting screw (86) is installed on the bird's beak block for fixing On the plate (84), adjust the height of the bird's beak fixing plate (84) by turning the lifting screw (86); the screw drill clamping mechanism (87) is used to clamp the vertical installation screw drill (88), the screw drill The clamping mechanism (87) is mounted on the thirteenth cylinder fixing seat (81) through the sixth linear guide rail assembly (83), and the telescopic end of the thirteenth cylinder (82) is connected to the auger clamping mechanism (87); the bird's beak block (89) is arranged on the beak block fixing plate (84), the inner cavity of the bird beak block (89) is composed of two intersecting circular holes, and the Phillips screwdriver at the lower end of the screw drill (88) enters the vertical cylindrical hole; the screw keeps the The block (810) is installed on the side of the bird's beak block (89), and the screw drill (88), the mounting hole on the first heat sink n, the mounting hole on the transistor k and the nut feeding hole keep the same axis in the vertical direction; The auger clamping mechanism (87) includes a movable splint (871), a fixed splint (872), a T-shaped nut (873), a tightening nut (874) and a pin (875); the movable splint (871) passes through the pin (875) ) is hinged with the fixed splint (872); the inner ring of the movable splint (871) and the fixed splint (872) is arc-shaped; the T-shaped nut (873) is set in the T-shaped groove of the fixed splint (872), and the nut (874) is tightened Screw in from the movable splint (871) to form a screw pair connection with the T-nut (873); The blanking and handling device (9) includes a blanking cantilever frame (91), a sixth motor (92), a seventh linear guide rail assembly (93), a screw drive assembly (94), a blanking transverse sliding table (95), The eighth linear guide rail assembly (96), the fourteenth cylinder (97), the second suction cup mounting frame (98) and the second suction cup (99); the blanking cantilever frame (91) is fixedly arranged on the frame assembly (1) , the sixth motor (92) is arranged on the unloading cantilever frame (91), and the blanking traverse slide table (95) is installed on the unloading cantilever frame (91) through the seventh linear guide rail assembly (93); the sixth motor (92) ) is connected to the blanking traverse slide table (95) through the screw drive assembly (94), and the blanking traverse slide table (95) is driven by the screw drive assembly (94) to slide along the direction of the seventh linear guide rail assembly (93); The fourteenth cylinder (97) is fixedly arranged on the blanking traverse slide table (95), the telescopic end of the fourteenth cylinder (97) is connected to the second suction cup mounting frame (98), and the second suction cup mounting frame (98) passes through the eighth The linear guide rail assembly (96) is installed on the unloading traverse sliding table (95); the second suction cup mounting frame (98) is provided with two second suction cups (99), and the distance between the two second suction cups (99) is The same distance from both sides of the finished product in the fixture assembly (3). 2 . The device for automatically assembling transistors and heat sinks according to claim 1 , wherein the second transistor feeding device ( 40 ) has the same structure as the first semiconductor feeding device ( 4 ). 3 . 3. The transistor and heat sink automatic assembly equipment according to claim 1, characterized in that the structure of the second nut feeding device (70) is the same as that of the first nut feeding device (7), and the second screw tightening device (80) ) has the same structure as the first screw tightening device (8).

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