CN115942641A

CN115942641A - Chip pin auxiliary installation device

Info

Publication number: CN115942641A
Application number: CN202211598406.5A
Authority: CN
Inventors: 黄万雄
Original assignee: Wuhan Yipeng Photoelectric Technology Co ltd
Current assignee: Wuhan Yipeng Photoelectric Technology Co ltd
Priority date: 2022-12-12
Filing date: 2022-12-12
Publication date: 2023-04-07

Abstract

The invention belongs to the technical field of chip processing, and particularly relates to a chip pin auxiliary mounting device which comprises a fixed bottom plate, wherein a bending fixed rod is arranged on the surface of the fixed bottom plate, the bottom end of the bending fixed rod is fixedly connected with the top of an inner cavity of the fixed bottom plate, the top end of the bending fixed rod is fixedly connected with a torque motor, and the top end of an output shaft of the torque motor is rotatably connected with a transmission plate. The device can extrude the upper surface of chip through the pressurization shell at welded in-process, guarantee that the chip can not take place the skew problem in welding process, and when the extrusion force of pressurization shell to the chip was too big, the arc splint of both sides can prevent the pressurization shell to push down automatically, and will pressurize the shell and upwards promote, thereby guarantee can not appear the chip and can damage or the pressure undersize that receives and become flexible because the pressure that receives is too big when the welding, lead to welding the not good problem of finished product.

Description

Chip pin auxiliary installation device

Technical Field

The invention belongs to the technical field of chip processing, and particularly relates to an auxiliary chip pin mounting device.

Background

The integrated circuit is a circuit with specific functions, which is formed on a silicon substrate and integrates a certain number of common electronic elements such as resistors, capacitors, transistors and the like and connecting lines among the elements through a semiconductor process, and the integrated circuit has the advantages of small volume, light weight, few pins, long service life, high reliability, low cost, good performance and the like, and is convenient for large-scale production.

Because the pin of chip is less, in the in-process with the chip welding on the circuit board, manual welding's mode is replaced by mechanical welding's mode gradually, but the machine is at the in-process of welding chip pin, in order to guarantee the stability of chip in welding process, need pressurize the upper surface of chip, guarantee chip pressure circuit board, the pin can not take place the skew with the wiring department, but the thickness of chip is different usually, so in the in-process of carrying out pressure welding, the atress of chip is probably uneven, this just leads to the chip probably to damage because the pressure that receives is too big when welding, or the pressure that receives is the undersize and becomes flexible, lead to welding the finished product not good.

Disclosure of Invention

Aiming at the defects of the prior art, the technical scheme adopted by the invention for solving the technical problems is as follows: a chip pin auxiliary mounting device comprises a fixed base plate, wherein a bending fixed rod is arranged on the surface of the fixed base plate, the bottom end of the bending fixed rod is fixedly connected with the top of an inner cavity of the fixed base plate, the top end of the bending fixed rod is fixedly connected with a torque motor, and the top end of an output shaft of the torque motor is rotatably connected with a transmission plate; the machining disc body comprises a shielding shell, the middle of the inner cavity of the shielding shell is in sliding connection with the middle of the surface of the transmission plate, the bottom of the shielding shell is fixedly connected with the axis of the fixed bottom plate through a vertical connecting rod, both sides of the inner cavity of the shielding shell are fixedly connected with propellers, and both ends of each propeller are in sliding connection with buffer clamping plates through arc-shaped push rods; the surface of the correction device is fixedly connected with one side of the surface of the shielding shell through a connecting plate, and the correction device is used for detecting whether the mounting position of the chip is correct or not; the surface of the material removing device is fixedly connected with one side, far away from the calibration device, of the surface of the shielding shell through a connecting plate, and the material removing device is used for removing redundant tin materials on the outer surface of the chip; the device is used for welding the chip on the circuit board, the chip is simply fixed on the designated position of the circuit board, then the circuit board is placed at the left axis of the transmission plate, the rotation belt on the outer surface of the transmission plate is controlled through the rotation of the torque motor to transport the circuit board from right to left, when the circuit board is transported to the axis of the inner cavity of the processing disc body, the torque motor stops working, the processing device welds the pins of the chip, and the chip is installed on the circuit board. In order to ensure that the circuit board can pass through the axis of the shielding shell, the width of the through groove at the axis of the shielding shell is generally larger, when welding is carried out, the thrusters at two sides of the shielding shell push the push rods at two ends outwards, at the moment, the buffer clamping plates slide to one side close to the circuit board along the inner cavity of the shielding shell under the thrust action of the push rods, the circuit board at the middle part is clamped by the buffer clamping plates at two sides, the circuit board is prevented from sliding, and welding and mounting work is carried out at the moment.

Preferably, the processing device comprises a material containing shell, two sides of the surface of the material containing shell are fixedly connected with the top of the surface of the shielding shell through supporting rods, a pressurizing motor is fixedly connected to the axis of the top of the inner cavity of the material containing shell, a threaded rotary table is inserted into the surface of an output shaft of the pressurizing motor, a solder paste barrel is connected to the surface of the threaded rotary table in a threaded manner, an isolation baffle disc is rotatably connected to the bottom of the inner cavity of the material containing shell, a bridging connecting rod is slidably connected to the axis of the inner cavity of the isolation baffle disc, a braking device is fixedly connected to the bottom end of the bridging connecting rod, guide slide rails are fixedly connected to two sides of the bottom of the surface of the isolation baffle disc, a coating pipe is slidably connected to the inner cavity of the guide slide rail on the left side, and a welding rotating arm is slidably connected to the inner cavity of the guide slide rail on the right side. Because the chip is usually square and has a symmetrical structure, when welding is carried out, the coating tube slides along the inner cavity of the guide slide rail along a straight line, solder paste is coated on the pin on one side of the chip, the pin of the chip is welded with the wiring position of the circuit board through the coated solder paste by the welding rotating arm on the other side, similarly, the welding rotating arm also slides along the inner wall of the guide slide rail along a straight line, after the coating and the welding are both finished, the pressurizing motor twists the bridging connecting rod to rotate the isolating baffle disc by 90 degrees, the pin on the adjacent side of the chip is welded until the chip is completely welded on the circuit board after a circle of circulation. In the process of welding, the threaded rotary table also descends along the spiral of the thread groove of the inner cavity of the solder paste barrel along with the rotation of the output shaft of the pressurizing motor, the solder paste in the inner cavity of the solder paste barrel is extruded into the coating pipe through the material conveying pipe at the top of the inner cavity of the coating pipe, the inner cavity of the coating pipe is prevented from being broken, the material conveying pipe can be bent along with the rotation of the isolation baffle disc, the threaded rotary table needs to be reversely turned back to the original position after rotating for a certain angle, and the welding operation can be carried out without rotating the welding rotary arm and the coating pipe for one circle, so that the welding operation cannot be delayed. The circuit board is after getting into the inside of processing disk body, can be pressed from both sides tightly by the buffering splint of both sides, and on the one hand the calibration circuit board makes processingequipment just to the chip of circuit board upper surface, and on the other hand makes the circuit board be in stable state can not become flexible adding man-hour, and among the welding process, the both sides of shielding shell contain the opening of butt joint, so poisonous smog that the welding produced can be absorbed by the propeller through the opening, and then reduces gaseous pollutants's emission, guarantee producers' safety.

Preferably, the braking device comprises a fixed guide ring, a butt-joint push rod is connected to two sides of an inner cavity of the fixed guide ring in a sliding mode, an arc-shaped clamping plate is fixedly connected to one end of an output shaft of the butt-joint push rod, a pressurizing shell is connected to one side, far away from the butt-joint push rod, of the surface of the arc-shaped clamping plate in a sliding mode, and a pressing rod is connected to the top of the inner cavity of the pressurizing shell in a sliding mode. In the pivoted in-process of screw thread carousel, because the screw thread carousel can impel downwards, so the bridging connecting rod can be promoted downwards, press the depth that the depression bar was pushed downwards and inserted the pressurization shell this moment, the pressurization shell gliding takes place the extrusion until the upper surface of bottom and chip, press the depression bar to take place relative slip with the pressurization shell this moment, buffer spring is compressed, and then produce pushing action to the sensor of pressing the depression bar inner chamber and the inner chamber of pressurization shell simultaneously, when the thrust that the sensor received is great, the sensor passes through the butt joint push rod that the internal conductor starts both sides, the butt joint push rod promotes the arc splint to one side that is close to the pressurization shell this moment, the arc splint of both sides will pressurize the bottom of shell tightly, prevent on the one hand that the pressurization shell from continuing to glide, on the other hand, the bottom button head position of pressurization shell has the trend of upwards sliding under the side thrust effect of arc splint, and then offset the pressure of pressurization shell to bottom chip, prevent that the chip from continuing to receive pressure.

Preferably, the inner cavity of the pressing rod is fixedly connected with a sensor, two sides of the inner cavity of the pressing rod are fixedly connected with the inner cavity of the butt joint push rod through inner leads, the top end of the pressing rod is fixedly connected with the bottom end of the bridging connecting rod, the bottom end of the sensor is fixedly connected with a buffer spring, and the surface of the fixed guide ring is fixedly connected with the axis of the top of the inner cavity of the shielding shell. The tin cream holds in the inner chamber of tin cream bucket, carries out the feed for the coating pipe, but the mouth of pipe of coating pipe is less, and the tin cream is only difficult to carry the inside of coating pipe through self gravity, and the device's coating pipe is carrying out the in-process at the corner, and the screw thread carousel can carry out automatic pressurization work to the tin cream in the inner chamber of tin cream bucket, and then the automatic inner chamber that supplies the tin cream entering coating pipe of supplementing, avoids the coating pipe inner chamber to appear the problem that the tin cream supply is not enough.

Preferably, the surface of the solder paste barrel is fixedly connected with the middle part of the inner cavity of the material containing shell, the top of the inner cavity of the coating pipe is connected with a material conveying inner pipe in a sliding mode, the top end of the material conveying inner pipe extends to the inside of the solder paste barrel, the surface of the transmission plate is sleeved with a rotating belt, and the surface of the output shaft of the torque motor is rotatably connected with one end of the rotating belt. The machine is at the in-process of welding chip pin, in order to guarantee the stability of chip in welding process, need pressurize the upper surface of chip, guarantee chip pressure circuit board, the pin can not take place the skew with wiring department, but the thickness of chip is different usually, so at the in-process of carrying out the pressure welding, the atress of chip is probably uneven, the device can extrude the upper surface of chip through the pressurization shell at welded in-process, guarantee that the chip can not take place the skew problem in welding process, and when the extrusion force of pressurization shell to the chip was too big, the arc splint of both sides can prevent the pressurization shell to push down automatically, and will pressurize the shell and upwards promote, thereby guarantee can not appear the chip and can damage or the pressure undersize that receives because of the pressure that receives when the welding and become flexible, lead to the not good problem of welding finished product.

Preferably, the correcting device comprises a fixed suspension, vertical sliding shells are fixedly connected to the two ends of the top of the surface of the fixed suspension, an inner rotor is rotatably connected to the top of an inner cavity of each vertical sliding shell, the surface of the inner rotor is fixedly connected with an inclined bottom baffle through a traction rope, comparators are fixedly connected to the two sides of the top of the inner cavity of the fixed suspension, and external leads are fixedly connected to the two ends of the inner cavity of the fixed suspension. In the process that the chip passes through the proofreading device, the left collator is aligned the chip of below and is taken a picture and proofread, judge that the pin of chip has or not to align with the joint of circuit board, if the pin of chip and the joint of circuit board appear the deviation, external conductor will circular telegram and start the inner rotor of vertical clamshell inner chamber this moment, directly put down oblique end baffle, the lower surface of oblique end baffle contacts and skids with the driving belt of driving plate surface this moment, and the circuit board is still continuing the transportation, so the circuit board is blocked in the inside of proofreading device along the bottom inclined plane of oblique end baffle, prevent to weld unqualified chip on the circuit board.

Preferably, both sides of the bottom end of the fixed suspension are in sliding connection with the surface of the transmission plate through the connecting plate, the surface of the inclined bottom baffle is in sliding connection with the axis of the top of the inner cavity of the fixed suspension through the through sliding chute, the bottom end of the external lead is fixedly connected with the inner cavity of the fixed bottom plate, and both sides of the inclined bottom baffle are in sliding connection with the inner cavity of the vertical sliding shell. In-process through the verifying attachment at the chip, the chip of below is adjusted well to left contrast ware and is shood the proofreading, the pin of judging the chip has or not to align with the joint of circuit board, if the pin of chip appears the deviation with the joint of circuit board, the oblique end baffle can directly put down this moment, the circuit board is blocked in the inside of verifying attachment along the bottom inclined plane of oblique end baffle, prevent to weld unqualified chip on the circuit board, at the gliding in-process of circuit board, because the effect of gravity component on the inclined plane, the chip can separate with the circuit board, so the circuit board of taking out can not fly the chip area, lead to the chip to drop the problem that the subaerial damage appears. The material removing device comprises a side frame, wherein an arc-shaped protection barrel is fixedly connected to the top of the side frame, rolling brush barrels are rotatably connected to the two ends of the inner cavity of the arc-shaped protection barrel through rotating motors, protruding rod rotating sleeves are sleeved on the two sides of the surface of each rolling brush barrel, and strip-shaped shells are fixedly connected to the axle centers of the inner cavities of the arc-shaped protection barrels.

Preferably, the two ends of the bottom of the inner cavity of the strip-shaped shell are both connected with a butt-joint sliding block in a sliding mode, the top of the butt-joint sliding block is fixedly connected with a filling sliding plate, the two ends of the top of the surface of the filling sliding plate are both fixedly connected with an extrusion spring belt, and the top end of the extrusion spring belt is fixedly connected with the top of the inner cavity of the strip-shaped shell. After the chip welding finishes, the propeller withdraws the inner chamber of shielding shell with buffering splint, the circuit board that this moment rethread driving plate will finish the welding transports right, in order to guarantee welding process's stability, the device is paintd the tin cream and can be excessive usually, remaining tin cream still exists in the pin department of chip this moment, when removing the material device, the rotation of rolling brush section of thick bamboo under the rotation effect of arc protection section of thick bamboo, the rolling brush section of thick bamboo brushes away the tin cream on the circuit board through the scrubbing brush of surface, and when rolling brush section of thick bamboo rotates, the protruding pole swivel housing of rolling brush section of thick bamboo both sides can periodically promote the butt joint slider at top, the butt joint slider of both sides can upwards promote the packing slide at top this moment, the extrusion spring area is compressed, at the in-process of filling the slide, the strip shell is with the inside of the gas suction strip shell of bottom, and then take out the tin cream in the rolling brush section of thick bamboo crack out.

Preferably, the middle part of bar shell inner chamber has evenly been seted up and has been run through the gas port, and runs through the outside that the gas port extends to the bar shell, the quantity that the cover was changeed to the nose bar is two, the surface that the cover was changeed to the nose bar and the bottom sliding connection who docks the slider surface, the both ends on bar shell surface all with the both sides fixed connection of arc protection section of thick bamboo inner chamber, the surperficial sliding connection of connecting plate and driving plate is passed through to the bottom of side frame. In order to guarantee welding process's stability, the device scribbles the tin cream and can be excessive usually, when removing the material device, the pin department of chip still has remaining tin cream, so need a rolling brush section of thick bamboo to brush the tin cream and remove, and the accumulational problem of tin cream appears in the clearance of a rolling brush section of thick bamboo easily, and then lead to the inner chamber of a rolling brush section of thick bamboo to pile up the tin cream easily, and the bar shell can be along with the rotation of a rolling brush section of thick bamboo with the outside extraction of the tin cream in a rolling brush section of thick bamboo clearance, reduce piling up of tin cream, alleviate the tin cream and pile up the caking in a rolling brush section of thick bamboo crack, lead to the condemned problem of a rolling brush section of thick bamboo.

The invention has the following beneficial effects:

1. the machine is at the in-process of welding chip pin, in order to guarantee the stability of chip in welding process, need pressurize the upper surface of chip, guarantee chip compacting circuit board, the pin can not take place the skew with wiring department, but the thickness of chip is different usually, so at the in-process that carries out the pressure welding, the atress of chip is probably uneven, the device can extrude the upper surface of chip through the pressurization shell at the welded in-process, guarantee that the chip can not take place the skew problem in welding process, and when the extrusion force of pressurization shell to the chip was too big, the arc splint of both sides can prevent the pressurization shell to push down automatically, and will pressurize the shell and upwards promote, thereby guarantee can not appear the chip and can damage or the undersize of pressure that receives and become flexible because of the too big pressure that receives when the welding, lead to the not good problem of welding finished product.

2. The circuit board is in the inside back that gets into the processing disk body, can be pressed from both sides tightly by the buffering splint of both sides, and the one hand is the proofreading circuit board, makes processingequipment just to the chip of circuit board upper surface, and on the other hand makes the circuit board be in steady state can not become flexible man-hour, and in the welding process, the both sides of shielding shell contain the opening of butt joint, so the poisonous smog that the welding produced can be absorbed by the propeller through the opening, and then reduces gaseous pollutants's emission, guarantee producers' safety.

3. The tin cream holds in the inner chamber of tin cream bucket, carries out the feed for the coating pipe, but the mouth of pipe of coating pipe is less, and the tin cream is only difficult to carry the inside of coating pipe through self gravity, and the device's coating pipe is carrying out the in-process at the corner, and the screw thread carousel can carry out automatic pressurization work to the tin cream in the inner chamber of tin cream bucket, and then the automatic inner chamber that supplies the tin cream entering coating pipe of supplementing, avoids the coating pipe inner chamber to appear the problem that the tin cream supply is not enough.

4. In-process through the verifying attachment at the chip, the chip of below is adjusted well to left contrast ware and is shood the proofreading, the pin of judging the chip has or not to align with the joint of circuit board, if the pin of chip appears the deviation with the joint of circuit board, the oblique end baffle can directly put down this moment, the circuit board is blocked in the inside of verifying attachment along the bottom inclined plane of oblique end baffle, prevent to weld unqualified chip on the circuit board, at the gliding in-process of circuit board, because the effect of gravity component on the inclined plane, the chip can separate with the circuit board, so the circuit board of taking out can not fly the chip area, lead to the chip to drop the problem that the subaerial damage appears.

5. In order to guarantee welding process's stability, the device scribbles the tin cream and can be excessive usually, when removing the material device, the pin department of chip still has remaining tin cream, so need a rolling brush section of thick bamboo to brush the tin cream, and appear the accumulational problem of tin cream in the clearance of a rolling brush section of thick bamboo easily, and then lead to the inner chamber of a rolling brush section of thick bamboo to pile up the tin cream easily, and the bar shell can be along with the rotation of a rolling brush section of thick bamboo with the outside extraction of the tin cream in a rolling brush section of thick bamboo clearance, reduce piling up of tin cream, alleviate the tin cream and pile up the caking in a rolling brush section of thick bamboo crack, lead to the condemned problem of a rolling brush section of thick bamboo.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a cross-sectional view of the present invention;

FIG. 3 is a cross-sectional view of a processing apparatus of the present invention;

FIG. 4 is a schematic view of the braking device of the present invention;

FIG. 5 is a cross-sectional view of a process disk of the present invention;

FIG. 6 is a cross-sectional view of a collation apparatus of the present invention;

FIG. 7 is a cross-sectional view of the material removal device of the present invention;

fig. 8 is a cross-sectional view of a strip casing of the present invention.

In the figure: 1. fixing the bottom plate; 11. a torque motor; 12. bending the fixed rod; 13. a drive plate; 2. processing the disc body; 21. a shield case; 22. a propeller; 23. a buffer clamping plate; 3. a processing device; 31. a material containing shell; 32. a pressurizing motor; 33. a solder paste barrel; 34. a threaded turntable; 35. a bridging link; 36. an isolation baffle disc; 37. a guide rail; 38. a coating tube; 39. welding the rotating arm; 4. a braking device; 41. fixing a guide ring; 42. butting a push rod; 43. an arc-shaped splint; 44. an inner lead; 45. a pressing lever; 46. a pressurized housing; 47. a buffer spring; 5. a proof reading device; 51. a fixed suspension; 52. a vertical slide shell; 53. connecting a lead externally; 54. a sloping bottom baffle; 55. a comparator; 56. an inner rotor; 6. a material removing device; 61. a lateral frame; 62. an arc-shaped protection cylinder; 63. a rolling brush drum; 64. a convex rod is sleeved; 65. a strip-shaped shell; 66. butting the sliding blocks; 67. filling the sliding plate; 68. compressing the spring band.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Example one

Referring to fig. 1-5, the present invention provides a technical solution: a chip pin auxiliary mounting device comprises a fixed base plate 1, wherein a bending fixed rod 12 is arranged on the surface of the fixed base plate 1, the bottom end of the bending fixed rod 12 is fixedly connected with the top of an inner cavity of the fixed base plate 1, the top end of the bending fixed rod 12 is fixedly connected with a torque motor 11, and the top end of an output shaft of the torque motor 11 is rotatably connected with a transmission plate 13; the machining disc body 2 comprises a shielding shell 21, the middle of the inner cavity of the shielding shell 21 is in sliding connection with the middle of the surface of the transmission plate 13, the bottom of the shielding shell 21 is fixedly connected with the axis of the fixed bottom plate 1 through a vertical connecting rod, two sides of the inner cavity of the shielding shell 21 are fixedly connected with propellers 22, and two ends of each propeller 22 are in sliding connection with buffer clamping plates 23 through arc-shaped push rods; the surface of the calibrating device 5 is fixedly connected with one side of the surface of the shielding shell 21 through a connecting plate, and the calibrating device 5 is used for detecting whether the mounting position of the chip is correct or not; the surface of the material removing device 6 is fixedly connected with one side, far away from the calibrating device 5, of the surface of the shielding shell 21 through a connecting plate, and the material removing device 6 is used for removing redundant tin materials on the outer surface of the chip;

the processing device 3 comprises a material containing shell 31, two sides of the surface of the material containing shell 31 are fixedly connected with the top of the surface of the shielding shell 21 through supporting rods, a pressurizing motor 32 is fixedly connected to the axis of the top of the inner cavity of the material containing shell 31, a threaded rotary table 34 is inserted into the surface of an output shaft of the pressurizing motor 32, a solder paste barrel 33 is connected to the surface of the threaded rotary table 34 in a threaded manner, an isolating baffle disc 36 is rotatably connected to the bottom of the inner cavity of the material containing shell 31, a bridging connecting rod 35 is slidably connected to the axis of the inner cavity of the isolating baffle disc 36, a braking device 4 is fixedly connected to the bottom end of the bridging connecting rod 35, guide sliding rails 37 are fixedly connected to two sides of the bottom of the surface of the isolating baffle disc 36, a coating pipe 38 is slidably connected to the inner cavity of the left guide sliding rail 37, and a welding rotary arm 39 is slidably connected to the inner cavity of the right guide sliding rail 37.

Arresting gear 4 includes fixed guide ring 41, and the equal sliding connection in both sides of fixed guide ring 41 inner chamber has butt joint push rod 42, and the one end fixedly connected with arc splint 43 of butt joint push rod 42 output shaft, one side sliding connection that butt joint push rod 42 was kept away from on the surface of arc splint 43 has pressurization shell 46, and the top sliding connection in pressurization shell 46 inner chamber has pressure pole 45.

The inner cavity fixedly connected with sensor according to pole 45, the both sides according to the pole 45 inner chamber all through inner conductor 44 and butt joint push rod 42's inner chamber fixed connection, press the top of pole 45 and the bottom fixed connection of bridging connecting rod 35, and the bottom fixedly connected with buffer spring 47 of sensor, fixed guide ring 41's surface and the axle center department fixed connection at shielding shell 21 inner chamber top.

The surface of solder paste bucket 33 and the middle part fixed connection of holding the material shell 31 inner chamber, the top sliding connection of coating pipe 38 inner chamber has defeated material inner tube, and the top of defeated material inner tube extends to the inside of solder paste bucket 33, and the surface of driving plate 13 has cup jointed the rotating band, and the surface of torque motor 11 output shaft is rotated with the one end in rotating band and is connected.

The device is used for welding the chip on the circuit board, the chip is simply fixed on the designated position of the circuit board, then the circuit board is placed on the left axis of the transmission plate 13, the circuit board is transported from right to left by rotating the rotating belt which controls the outer surface of the transmission plate 13 through the torque motor 11, when the circuit board is transported to the axle center of the inner cavity of the processing disc body 2, the torque motor 11 stops working, the processing device 3 welds the pins of the chip, and the chip is installed on the circuit board.

In order to ensure that the circuit board can pass through the axis of the shielding shell 21, the width of the through groove at the axis of the shielding shell 21 is generally larger, when welding is performed, the thrusters 22 at two sides of the shielding shell 21 push the push rods at two ends outwards, at this time, the buffer clamping plates 23 slide to one side close to the circuit board along the inner cavity of the shielding shell 21 under the thrust action of the push rods, until the buffer clamping plates 23 at two sides clamp the circuit board at the middle part tightly, the circuit board is prevented from sliding, and at this time, welding installation work is performed.

Since the chip is generally square and has a symmetrical structure, when performing a soldering operation, the paint tube 38 slides linearly along the inner cavity of the guide rail 37, solder paste is applied to the leads on one side of the chip, the soldering rotating arm 39 on the other side solders the leads of the chip with the wiring of the circuit board through the applied solder paste, and similarly, the soldering rotating arm 39 also slides linearly along the inner wall of the guide rail 37, after the paint and the soldering operation are both completed, the pressurizing motor 32 twists the bridging link 35 to rotate the isolation tray 36 by 90 °, and performs a soldering operation on the leads on the adjacent side of the chip until the chip is completely soldered on the circuit board after a cycle.

In the process of welding, the screw turntable 34 also descends along the screw groove of the inner cavity of the solder paste barrel 33 along with the rotation of the output shaft of the pressurizing motor 32, the solder paste in the inner cavity of the solder paste barrel 33 is extruded into the coating pipe 38 through the conveying pipe at the top of the inner cavity of the coating pipe 38, the inner cavity of the coating pipe 38 is ensured not to be broken, the conveying pipe bends along with the rotation of the isolation baffle disc, the screw turntable 34 needs to be reversely rotated back to the original position after rotating for a certain angle, and the welding operation can be carried out without rotating the welding rotating arm 39 and the coating pipe 38 for one circle, so that the welding operation is not delayed.

In the process of rotating the threaded turntable 34, as the threaded turntable 34 can be pushed downwards, the bridging link 35 can be pushed downwards, at this time, the pressing rod 45 is pushed downwards to be inserted into the deep part of the pressurizing shell 46, the pressurizing shell 46 slides downwards until the bottom end is extruded with the upper surface of the chip, at this time, the pressing rod 45 slides relative to the pressurizing shell 46, the buffer spring 47 is compressed, and further, a pushing effect is generated on the sensor in the inner cavity of the pressing rod 45 and the inner cavity of the pressurizing shell 46, when the pushing force applied to the sensor is large, the sensor starts the butt push rods 42 at two sides through the inner lead 44, at this time, the butt push rods 42 push the arc-shaped clamping plates 43 towards one side close to the pressurizing shell 46, the arc-shaped clamping plates 43 at two sides clamp the bottom of the pressurizing shell 46, on one hand, the pressurizing shell 46 is prevented from sliding downwards continuously, on the other hand, the round head part at the bottom end of the pressurizing shell 46 has a tendency of sliding upwards under the pushing force applied to the side edges of the arc-shaped clamping plates 43, and further, the pressure applied to the bottom chip is prevented from continuously being applied to the chip.

Example two

Referring to fig. 1-8, the present invention provides a technical solution: on the basis of embodiment one, the calibration device 5 includes fixed suspension 51, the equal fixedly connected with vertical smooth shell 52 in both ends at fixed suspension 51 surperficial top, and the top of the inner chamber of vertical smooth shell 52 rotates and is connected with inner rotor 56, and the oblique end baffle 54 of haulage rope fixedly connected with is passed through on the surface of inner rotor 56, the equal fixedly connected with contrast ware 55 in both sides at fixed suspension 51 inner chamber top, the equal fixedly connected with external conductor 53 in both ends of fixed suspension 51 inner chamber.

The two sides of the bottom end of the fixed suspension 51 are connected with the surface of the transmission plate 13 in a sliding mode through the connecting plate, the surface of the inclined bottom baffle 54 is connected with the axis of the top of the inner cavity of the fixed suspension 51 in a sliding mode through the through sliding chute, the bottom end of the external lead 53 is fixedly connected with the inner cavity of the fixed base plate 1, and the two sides of the inclined bottom baffle 54 are connected with the inner cavity of the vertical sliding shell 52 in a sliding mode.

Remove material device 6 and include side position frame 61, the top fixedly connected with arc protection section of thick bamboo 62 of side position frame 61, the both ends of arc protection section of thick bamboo 62 inner chamber all are connected with a rolling brush section of thick bamboo 63 through rotating the motor rotation, and the protruding pole rotating sleeve 64 has all been cup jointed on the both sides on rolling brush section of thick bamboo 63 surface, and the axle center department fixedly connected with bar shell 65 of arc protection section of thick bamboo 62 inner chamber.

The equal sliding connection in both ends of bar shell 65 inner chamber bottom has butt joint slider 66, and the top fixedly connected with of butt joint slider 66 fills slide 67, fills the equal fixedly connected with extrusion spring area 68 in both ends at slide 67 surface top, the top of extrusion spring area 68 and the top fixed connection of bar shell 65 inner chamber.

The gas port that runs through has evenly been seted up at the middle part of bar shell 65 inner chamber, and runs through the outside that the gas port extends to bar shell 65, and the nose bar changes the quantity of cover 64 and is two, and the nose bar changes the surface of cover 64 and the bottom sliding connection on butt joint slider 66 surface, the both ends on bar shell 65 surface all with the both sides fixed connection of an arc protection section of thick bamboo 62 inner chamber, the surface sliding connection of connecting plate and driving plate 13 is passed through to side position frame 61's bottom.

After the chip is welded, the propeller 22 withdraws the buffer clamping plate 23 into the inner cavity of the shielding shell 21, at this time, the welded circuit board is transported rightwards through the transmission plate 13, in order to ensure the stability of the welding process, the solder paste applied by the device is usually excessive, at this time, residual solder paste is left at the pin of the chip, when the circuit board passes through the material removing device 6, the rolling brush cylinder 63 rotates under the rotation action of the arc-shaped protection cylinder 62, the rolling brush cylinder 63 brushes the solder paste on the circuit board through the scrubbing brush on the outer surface, when the rolling brush cylinder 63 rotates, the convex rod rotating sleeves 64 on two sides of the rolling brush cylinder 63 periodically push the butt-joint sliding blocks 66 on the top, at this time, the butt-joint sliding blocks 66 on two sides push the filling sliding plate 67 on the top upwards, the extrusion spring belt 68 is compressed, in the process of sliding the filling sliding plate 67, the strip-shaped shell 65 pumps the gas on the bottom into the strip-shaped shell 65, and further pumps the solder paste in the gap between the rolling brush cylinder 63.

In the process that the chip passes through the correcting device 5, the left contrasting device 55 is used for photographing and correcting the chip below, whether the pin of the chip is aligned with the joint of the circuit board or not is judged, if the pin of the chip is deviated from the joint of the circuit board, the external lead 53 is electrified to start the inner rotor 56 in the inner cavity of the vertical sliding shell 52 at the moment, the inclined bottom baffle 54 is directly put down, the lower surface of the inclined bottom baffle 54 is contacted with the transmission belt on the outer surface of the transmission plate 13 and slides, the circuit board is still transported continuously, and therefore the circuit board is blocked inside the correcting device 5 along the bottom inclined plane of the inclined bottom baffle 54, and the chip which is welded unqualified is prevented from being on the circuit board.

It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by one of ordinary skill in the art and related arts based on the embodiments of the present invention without any creative effort, shall fall within the protection scope of the present invention. Structures, devices, and methods of operation not specifically described or illustrated herein are not specifically illustrated or described, but are instead contemplated to be practiced in the art by those skilled in the art.

Claims

1. The chip pin auxiliary mounting device comprises a fixed base plate (1), wherein the surface of the fixed base plate (1) is provided with:

the bottom end of the bending fixing rod (12) is fixedly connected with the top of the inner cavity of the fixed bottom plate (1), the top end of the bending fixing rod (12) is fixedly connected with a torque motor (11), and the top end of an output shaft of the torque motor (11) is rotatably connected with a transmission plate (13);

the machining disc body (2) comprises a shielding shell (21), the middle of an inner cavity of the shielding shell (21) is in sliding connection with the middle of the surface of the transmission plate (13), the bottom of the shielding shell (21) is fixedly connected with the axis of the fixed bottom plate (1) through a vertical connecting rod, propellers (22) are fixedly connected to two sides of the inner cavity of the shielding shell (21), and two ends of each propeller (22) are in sliding connection with buffer clamping plates (23) through arc-shaped push rods;

the surface of the calibrating device (5) is fixedly connected with one side of the surface of the shielding shell (21) through a connecting plate, and the calibrating device (5) is used for detecting whether the mounting position of the chip is correct or not;

the surface of the material removing device (6) is fixedly connected with one side, far away from the calibrating device (5), of the surface of the shielding shell (21) through a connecting plate, and the material removing device (6) is used for removing redundant tin materials on the outer surface of the chip; the method is characterized in that:

the processing device (3), the processing device (3) is including holding material shell (31), hold the top fixed connection on both sides on material shell (31) surface all through bracing piece and shielding shell (21), hold the axle center department fixedly connected with pressurization motor (32) at material shell (31) inner chamber top, the surface of pressurization motor (32) output shaft is pegged graft and is had screw thread carousel (34), the surperficial threaded connection of screw thread carousel (34) has tin cream bucket (33), the bottom of holding material shell (31) inner chamber is rotated and is connected with isolation shelves dish (36), the axle center department sliding connection of isolation shelves dish (36) inner chamber has bridging connecting rod (35), the bottom fixed connection of bridging connecting rod (35) has arresting gear (4), the equal fixedly connected with guide slide rail (37) in both sides of isolation shelves dish (36) surface bottom, the left side the inner chamber sliding connection of guide slide rail (37) has scribbles material pipe (38), the right side the inner chamber sliding connection of guide slide rail (37) has welding arm (39).

2. The chip pin auxiliary mounting device according to claim 1, wherein: arresting gear (4) are including fixed guide ring (41), the equal sliding connection in both sides of fixed guide ring (41) inner chamber has butt joint push rod (42), the one end fixedly connected with arc splint (43) of butt joint push rod (42) output shaft, one side sliding connection that the butt joint push rod (42) was kept away from on arc splint (43) surface has pressurization shell (46), the top sliding connection of pressurization shell (46) inner chamber has pressure lever (45).

3. The chip pin auxiliary mounting device according to claim 2, wherein: the inner cavity of the pressing rod (45) is fixedly connected with a sensor, the two sides of the inner cavity of the pressing rod (45) are fixedly connected with the inner cavity of the butt joint push rod (42) through inner leads (44), the top end of the pressing rod (45) is fixedly connected with the bottom end of the bridging connecting rod (35), the bottom end of the sensor is fixedly connected with a buffer spring (47), and the surface of the fixed guide ring (41) is fixedly connected with the axis of the top of the inner cavity of the shielding shell (21).

4. The chip pin auxiliary mounting device according to claim 3, wherein: the surface of the solder paste barrel (33) is fixedly connected with the middle of the inner cavity of the material containing shell (31), the top of the inner cavity of the coating tube (38) is connected with a material conveying inner tube in a sliding mode, the top end of the material conveying inner tube extends to the inside of the solder paste barrel (33), the surface of the transmission plate (13) is sleeved with a rotating belt, and the surface of an output shaft of the torque motor (11) is rotatably connected with one end of the rotating belt.

5. The chip pin auxiliary mounting device according to claim 1, wherein: the calibrating device (5) comprises a fixed suspension (51), wherein the vertical sliding shell (52) is fixedly connected to the two ends of the top of the surface of the fixed suspension (51), the inner rotor (56) is rotatably connected to the top of the inner cavity of the vertical sliding shell (52), the inclined bottom baffle (54) is fixedly connected to the surface of the inner rotor (56) through a traction rope, the comparator (55) is fixedly connected to the two sides of the top of the inner cavity of the fixed suspension (51), and the external lead (53) is fixedly connected to the two ends of the inner cavity of the fixed suspension (51).

6. The chip pin auxiliary mounting device according to claim 5, wherein: the two sides of the bottom end of the fixed suspension (51) are in sliding connection with the surface of the transmission plate (13) through the connecting plate, the surface of the inclined bottom baffle (54) is in sliding connection with the axis of the top of the inner cavity of the fixed suspension (51) through the through sliding chute, the bottom end of the external lead (53) is fixedly connected with the inner cavity of the fixed base plate (1), and the two sides of the inclined bottom baffle (54) are in sliding connection with the inner cavity of the vertical sliding shell (52).

7. The chip pin auxiliary mounting device according to claim 1, wherein: remove material device (6) including side position frame (61), the top fixedly connected with arc protection section of thick bamboo (62) of side position frame (61), the both ends of arc protection section of thick bamboo (62) inner chamber all are connected with a rolling brush section of thick bamboo (63) through rotating the motor rotation, the protruding pole swivel sleeve (64) has all been cup jointed to the both sides on rolling brush section of thick bamboo (63) surface, the axle center department fixedly connected with bar shell (65) of arc protection section of thick bamboo (62) inner chamber.

8. The chip pin auxiliary mounting device according to claim 7, wherein: the improved spring packing box is characterized in that two ends of the bottom of the inner cavity of the strip-shaped shell (65) are both connected with butt-joint sliding blocks (66) in a sliding mode, the top of each butt-joint sliding block (66) is fixedly connected with a packing sliding plate (67), and two ends of the top of the surface of the packing sliding plate (67) are both fixedly connected with extrusion spring belts (68).

9. The chip pin auxiliary mounting device according to claim 8, wherein: the middle part of bar shell (65) inner chamber has evenly seted up and has run through the gas port, and runs through the outside that the gas port extends to bar shell (65), the quantity of nose bar commentaries on classics cover (64) is two, the nose bar commentaries on classics cover (64) the surface and the bottom sliding connection who docks slider (66) surface.

10. The chip pin auxiliary mounting device according to claim 9, wherein: both ends on bar shell (65) surface all with the both sides fixed connection of arc protection section of thick bamboo (62) inner chamber, the surface sliding connection of connecting plate and driving plate (13) is passed through to the bottom of side frame (61), the top of extrusion spring area (68) and the top fixed connection of bar shell (65) inner chamber.