Integrated equipment for automatically cleaning and drying solder balls

Abstract

The utility model belongs to the technical field of chip processing, and particularly relates to an automatic solder ball cleaning and drying integrated device which comprises a supporting frame, openings are formed in the side walls of the two sides of the upper end of the supporting frame, an ultrasonic cleaning box is fixedly installed on the lower portion of the supporting frame, and an oscillation container is arranged in the ultrasonic cleaning box. A cleaning agent adding mechanism is arranged above the right side of the oscillation container, a water pipe and a drying assembly are arranged above the left side of the oscillation container, a drainage assembly is arranged at the bottom of the ultrasonic cleaning box, a lifting rod is welded to the top of the oscillation container, a push rod motor is arranged in the middle of the upper portion of the lifting rod, and a piston rod of the push rod motor is slidably connected with a connecting rod. A clamping assembly is arranged at the bottom of the connecting rod, and the connecting rod is in clamping fit with the lifting rod through the clamping assembly. According to the tin ball cleaning and drying device, tin balls in the oscillation container can be cleaned and dried, the tin balls do not need to be transferred into drying equipment to be dried after being cleaned, time and strength of manual transferring are saved, and working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of chip processing, in particular to integrated equipment for automatically cleaning and drying solder balls. Background Art

[0002] Solder balls are essential raw materials for BGA equipment used in the packaging and welding of large-scale integrated circuit semiconductor chips in the international microelectronics industry today. Solder balls used for packaging and welding are produced by only a few manufacturers in the world. The production process is to melt the tin into molten tin, spray it into granules, and then further process it into finished solder balls. The specific processing technology and production equipment are strictly kept confidential as technical secrets.

[0003] According to patent No. CN202022054012.6, a solder ball cleaning machine that can be rinsed multiple times is disclosed, including: a base plate; a cleaning box, the bottom of the cleaning box is fixed to the top of the base plate; a water tank, the bottom of the water tank is fixed to one side of the top of the base plate; a processing box, the bottom of the processing box is fixed to the other side of the top of the base plate; a fixed plate, the two sides of the fixed plate are fixed to the two sides of the inner wall of the cleaning box, the top of the fixed plate is fixedly connected to a U-shaped box, the two sides of the inner wall of the U-shaped box are rotatably connected to a screw rod, the outer surface of the screw rod is fixedly connected to a cleaning roller, the outer surface of the screw rod and the internal thread of the cleaning roller are connected to a cleaning brush; a motor, the bottom of the motor is arranged on one side of the inner wall of the cleaning box through a connecting plate, and one end of the motor output shaft is fixedly connected to a pulley.

[0004] The prior art has the following problems:

[0005] Usually, the cleaning and drying of BGA balls in the chemical cleaning process are two steps and two sets of equipment, and manual transfer is required between the steps, which is not only time-consuming but also increases the burden on employees. Utility Model Content

[0006] In view of the deficiencies of the prior art, the utility model provides an integrated device for automatically cleaning and drying solder balls, which solves the existing problems.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] The ultrasonic cleaning box is fixedly mounted on the bottom of the support frame, an oscillating container is arranged inside the ultrasonic cleaning box, a cleaning agent adding mechanism is arranged on the upper right side of the oscillating container, a water pipe and a drying component are arranged on the upper left side of the oscillating container, a drainage component is arranged on the bottom of the ultrasonic cleaning box, a lifting rod is welded on the top of the oscillating container, a push rod motor is arranged at the upper middle position of the lifting rod, a piston rod of the push rod motor is slidably connected with a connecting rod, a clamping component is arranged at the bottom of the connecting rod, the connecting rod is clamped with the lifting rod through the clamping component, a box cover is fixed on the outside of the connecting rod, the bottom of the box cover is arranged in contact with the top of the ultrasonic cleaning box, a conveyor belt is arranged behind the connecting rod, and a swing arm mechanism is arranged on one side of the push rod motor, and the swing arm mechanism is used to drive the push rod motor to rotate.

[0009] As a preferred technical solution of the utility model, the swing arm mechanism includes a drive motor, a gear and a gear ring. The drive motor is assembled on one side of the top of the support frame. The output shaft of the drive motor is fixed with a gear. One side of the gear is meshed with a gear ring. The upper end of the push rod motor is fixedly mounted on the inner wall of the gear ring.

[0010] As a preferred technical solution of the utility model, the piston rod of the push rod motor passes through the top of the support frame and is fixedly equipped with an electric slide, and the sliding end of the electric slide is installed in cooperation with the top of the connecting rod through bolts.

[0011] As a preferred technical solution of the utility model, the cleaning agent adding mechanism includes a solution tube, a piston, a micro-electric push rod, a pull rod and a liquid inlet pipe. The box cover is provided with multiple groups of through holes. The outer wall of the solution tube is fixed to the inner wall of the through hole on the right side of the box cover. The inner wall of the solution tube is sealingly and slidingly connected to the piston. The inner ring of the piston is fixedly matched with the outer wall of the pull rod. A micro-electric push rod is installed on one side of the upper end of the pull rod and the top of the solution tube. The liquid outlet end of the solution tube is fixedly connected to the liquid inlet pipe.

[0012] As a preferred technical solution of the utility model, the clamping assembly includes a connecting frame, two groups of clamping push rod motors and two groups of baffle rods. Two groups of clamping holes are provided on the upper part of the lifting rod. Baffle rods are provided through the clamping holes. One side surface of the baffle rod is fixedly matched with the piston rod of the clamping push rod motor. The two groups of clamping push rod motors are welded to the connecting frame.

[0013] As a preferred technical solution of the utility model, the drying assembly includes a hot air blower, a drying pipe and a drying hood. The hot air blower is installed on the top of the support frame away from the side of the swing arm mechanism by bolts. The air outlet end of the hot air blower and the air inlet end of the drying hood are fixedly connected with the drying pipe. The upper outer wall of the drying hood is connected to the inner wall of a group of through holes on the box cover.

[0014] As a preferred technical solution of the utility model, the drying tube is a corrugated tube, and the drying tube is made of heat-resistant material.

[0015] As a preferred technical solution of the utility model, the drainage assembly includes a liquid pump and a drain pipe. The liquid pump is installed on one side of the bottom of the ultrasonic cleaning box. The liquid outlet end of the liquid pump is connected to the drain pipe, and one end of the drain pipe extends to the outside of the ultrasonic cleaning box.

[0016] Compared with the prior art, the utility model provides an integrated equipment for automatically cleaning and drying solder balls, which has the following beneficial effects:

[0017] 1. This integrated equipment for automatically cleaning and drying solder balls realizes automatic cleaning of solder balls by providing an oscillating container, a cleaning box, a water pipe and a cleaning agent adding mechanism, and can clean and remove grease, oil, dirt and dust on the surface of the solder balls, thereby achieving the effect of improving the efficiency of cleaning solder balls. By providing a conveyor belt, automatic loading and unloading of solder balls is realized, and a drying component is provided to dry the solder balls in the oscillating container, and there is no need to transfer the solder balls to the drying equipment for drying after cleaning, thereby saving the time and intensity of manual transfer and improving work efficiency;

[0018] 2. This integrated equipment for automatically cleaning and drying solder balls is equipped with a push rod motor, an oscillating container, a swing arm mechanism and an electric slide. After cleaning, the oscillating container can be placed on a conveyor belt for transportation, which is convenient for collecting and storing the cleaned solder balls. The cleaning agent adding mechanism can automatically add the cleaning agent to the inside of the cleaning box, and the dilution ratio can be adjusted and controlled. There is no need for manual preparation and adjustment of the cleaning solution, which reduces the manual participation link and protects the health of employees. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall cross-sectional structure of the utility model;

[0020] Figure 2 for Figure 1 A local enlarged structural diagram of the part;

[0021] Figure 3 for Figure 1 A schematic diagram of the local enlarged structure at B in FIG.

[0022] Figure 4 It is a top view of the three-dimensional structure of the ultrasonic cleaning box and the box cover in the utility model;

[0023] Figure 5 It is a three-dimensional structural schematic diagram of the oscillating container and the lifting rod in the utility model;

[0024] Figure 6 It is a schematic top view of part of the structure of the utility model.

[0025] In the figure: 1. support frame; 2. ultrasonic cleaning box; 3. box cover; 4. oscillation container; 5. water pipe; 6. conveyor belt; 7. hot air blower; 8. drying tube; 9. drainage assembly; 10. lifting rod; 11. solution tube; 12. piston; 13. micro electric push rod; 14. pull rod; 15. liquid inlet pipe; 16. connecting rod; 17. connecting frame; 18. clamping push rod motor; 19. electric slide; 20. push rod motor; 21. drive motor. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] See also Figure 1-6In this embodiment: an integrated equipment for automatically cleaning and drying solder balls comprises a support frame 1, the side walls on both sides of the upper end of the support frame 1 are provided with openings, an ultrasonic cleaning box 2 is fixedly installed at the lower part of the support frame 1, an oscillation container 4 is arranged inside the ultrasonic cleaning box 2, the oscillation container 4 is a ladder cage structure, a cleaning agent adding mechanism is arranged above the right side of the oscillation container 4, a water pipe 5 and a drying component are arranged above the left side of the oscillation container 4, a drainage component 9 is arranged at the bottom of the ultrasonic cleaning box 2, a lifting rod 10 is welded on the top of the oscillation container 4, a push rod motor 20 is arranged at the middle position above the lifting rod 10, the piston rod of the push rod motor 20 is slidably connected with a connecting rod 16, and a clamping component is arranged at the bottom of the connecting rod 16. The connecting rod 16 is clamped with the lifting rod 10 through a clamping assembly, a box cover 3 is fixed to the outside of the connecting rod 16, and the bottom of the box cover 3 is in contact with the top of the ultrasonic cleaning box 2. A conveyor belt 6 is arranged behind the connecting rod 16, and a swing arm mechanism is arranged on one side of the push rod motor 20. The swing arm mechanism is used to drive the push rod motor 20 to rotate. An air purification exhaust device is installed on one side of the outer wall of the ultrasonic cleaning box 2. The air purification exhaust device is connected to one side of the inner wall of the ultrasonic cleaning box 2 through a pipeline. A gas valve is installed on the pipeline, and a purification exhaust facility is added to effectively remove pollutants such as particulate matter, harmful gases, and odors in the air to avoid adverse effects on human health and environmental safety when these pollutants are discharged.

[0028] In this embodiment, the swing arm mechanism includes a drive motor 21, a gear and a ring gear. The drive motor 21 is assembled on one side of the top of the support frame 1. The output shaft of the drive motor 21 is fixed with a gear, and one side of the gear is meshed with a ring gear. The upper end of the push rod motor 20 is fixedly installed with the inner wall of the ring gear. Before and after cleaning, the push rod motor 20 drives the connecting rod 16 and the electric slide 19 to rise and fall, and can move the oscillation container 4 out of the ultrasonic cleaning box 2, and raise the oscillation container 4 to the top of the conveyor belt 6. By starting the drive motor 21, the drive motor 21 drives the gear and the ring gear to rotate when it works, and then the ring gear drives the push rod motor 20, the connecting rod 16, the electric slide 19 and the oscillation container 4 to rotate, thereby adjusting the direction of the oscillation container 4, adjusting the oscillation container 4 to the conveying direction of the conveyor belt 6, and cooperating with the electric slide 19, the oscillation container 4 is placed on the conveyor belt 6 for transportation, and the solder balls can be automatically loaded and unloaded before and after cleaning, reducing labor intensity.

[0029] In this embodiment, the piston rod of the push rod motor 20 passes through the top of the support frame 1 and is fixedly assembled with an electric slide 19. The sliding end of the electric slide 19 is installed with the top of the connecting rod 16 by bolts. When the electric slide 19 is working, it is used to drive the connecting rod 16 and the oscillation container 4 to adjust the front and rear positions, so that the oscillation container 4 can be moved to the conveyor belt 6 after the oscillation container 4 is raised and turned. The clamping assembly can be loosened to realize the transportation of multiple solder balls in the oscillation container 4.

[0030] In this embodiment, the cleaning agent adding mechanism includes a solution tube 11, a piston 12, a micro-electric push rod 13, a pull rod 14 and a liquid inlet pipe 15. A plurality of through holes are provided on the box cover 3. The outer wall of the solution tube 11 is fixed to the inner wall of the through hole on the right side of the box cover 3. The inner wall of the solution tube 11 is sealingly and slidably connected to the piston 12. The inner ring of the piston 12 is fixedly matched with the outer wall of the pull rod 14. The micro-electric push rod 13 is installed on one side of the upper end of the pull rod 14 and the top of the solution tube 11. The liquid outlet end of the solution tube 11 is fixedly connected to the liquid inlet pipe 15. A valve is installed on the liquid inlet pipe 15. One side of the outer wall of the upper end of the solution tube 11 is connected to an external pipe. One end of the external pipe is fixedly connected to the outer wall of the solution tube 11. A threaded pipe head is fixedly connected to connect the pipe head to the pipe on the external cleaning agent pump, and the cleaning agent can be added to the inside of the solution tube 11. By providing the solution tube 11, the storage of the cleaning agent is realized. A cleaning agent detector is installed on one side of the inner wall of the ultrasonic cleaning box 2 to detect the concentration of the cleaning agent. It is equipped with a water pipe 5 and can be thickened or diluted as needed. The micro electric push rod 13 is matched with a pull rod 14 for adjusting the height of the piston 12, so that the piston 12 squeezes the cleaning agent downward, and the cleaning agent is added to the inside of the ultrasonic cleaning box 2 through the provided liquid inlet pipe 15, thereby realizing the automatic addition of the cleaning agent and reducing the labor intensity.

[0031] In this embodiment, the clamping assembly includes a connecting frame 17, two groups of clamping push rod motors 18 and two groups of baffle rods. Two groups of clamping holes are provided on the upper part of the lifting rod 10. Baffle rods are arranged through the clamping holes. One side of the baffle rod is fixedly matched with the piston rod of the clamping push rod motor 18. The two groups of clamping push rod motors 18 are welded to the connecting frame 17. The two groups of clamping push rod motors 18 respectively drive the two groups of baffle rods to enter the clamping holes, thereby clamping the lifting rod 10 on the conveyor belt 6. It is also equipped with an electric slide 19 and a push rod motor 20 to facilitate placing the oscillation container 4 into the ultrasonic cleaning box 2. An ultrasonic generating device is installed on the bottom inner wall of the ultrasonic cleaning box 2. During cleaning, one end of the water pipe 5 is connected to an external faucet or water pump.

[0032] In this embodiment, the drying component includes a hot air blower 7, a drying tube 8 and a drying hood. The hot air blower 7 is installed on the top of the support frame 1 away from the side of the swing arm mechanism by bolts. The air outlet end of the hot air blower 7 and the air inlet end of the drying hood are fixedly connected with the drying tube 8. The upper outer wall of the drying hood is connected to the inner wall of a group of through holes on the box cover 3. When the cleaning of the solder balls in the oscillation container 4 is completed, the water pump is started to drain the water in the cleaning box 2. After all the water in the cleaning box 2 is drained, the hot air blower 7 is started, and the drying tube 8 and the drying hood are used to dry the solder balls in the oscillation container 4, integrating automatic cleaning and drying to reduce manual participation.

[0033] In this embodiment, the drying tube 8 is a corrugated tube, and the drying tube 8 is made of heat-resistant material. The drying tube 8 can move up and down and rotate along with the box cover 3.

[0034] In this embodiment, the drainage component 9 includes a liquid pump and a drain pipe. The liquid pump is installed on one side of the bottom of the ultrasonic cleaning tank 2. The liquid outlet of the liquid pump is connected to the drain pipe. One end of the drain pipe extends to the outside of the ultrasonic cleaning tank 2 and can automatically discharge the liquid in the cleaning tank 2. A valve is installed on the drain pipe.

[0035] The working principle and use process of the utility model are as follows: when in use, a plurality of solder balls are installed in the interior of the oscillating container 4, the oscillating container 4 is located in the interior of the cleaning box 2, water is injected into the interior of the cleaning box 2 through the water pipe 5, and at the same time, the micro electric push rod 13 is matched with the pull rod 14, the pull rod 14 drives the piston 12 to move up and down, and squeezes the cleaning agent in the solution tube 11 into the liquid inlet pipe 15 and enters the interior of the ultrasonic cleaning box 2, realizing the automatic addition and adjustment of the cleaning agent, reducing the labor intensity, the push rod motor 20 drives the oscillating container 4 to move up and down, and starts the ultrasonic emitting device to perform ultrasonic cleaning of the solder balls, which can clean and remove grease, oil, Dirt and dust are removed, achieving the effect of improving the efficiency of cleaning solder balls. After cleaning, the drainage component 9 drains the water in the cleaning box 2, and the drying component dries the solder balls in the oscillation container 4. After drying, the push rod motor 20 is started to drive the oscillation container 4 to rise, and the oscillation container 4 is moved to the top of the conveyor belt 6, and the swing arm mechanism is started to adjust the direction of the oscillation container 4 to the conveying direction of the conveyor belt 6, and with the electric slide 19, the oscillation container 4 is placed on the conveyor belt 6 for transportation. The solder balls can be automatically loaded and unloaded before and after cleaning, reducing labor intensity and facilitating the collection and storage of cleaned solder balls.

[0036] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An integrated device for automatically cleaning and drying solder balls, comprising a support frame (1), Features: The side walls on both sides of the upper end of the support frame (1) are provided with openings, an ultrasonic cleaning box (2) is fixedly installed at the lower part of the support frame (1), an oscillation container (4) is arranged inside the ultrasonic cleaning box (2), a cleaning agent adding mechanism is arranged on the upper right side of the oscillation container (4), a water pipe (5) and a drying component are arranged on the upper left side of the oscillation container (4), a drainage component (9) is arranged at the bottom of the ultrasonic cleaning box (2), a lifting rod (10) is welded on the top of the oscillation container (4), and a push rod electric rod is arranged in the middle position above the lifting rod (10). The push rod motor (20) is provided with a piston rod slidably connected to a connecting rod (16), a clamping assembly is provided at the bottom of the connecting rod (16), the connecting rod (16) is clamped with the lifting rod (10) through the clamping assembly, a box cover (3) is fixed to the outside of the connecting rod (16), the bottom of the box cover (3) is arranged in contact with the top of the ultrasonic cleaning box (2), a conveyor belt (6) is arranged behind the connecting rod (16), and a swing arm mechanism is provided on one side of the push rod motor (20), and the swing arm mechanism is used to drive the push rod motor (20) to rotate.

2. According to claim 1, an integrated equipment for automatically cleaning and drying solder balls, Features: The swing arm mechanism comprises a drive motor (21), a gear and a gear ring; the drive motor (21) is assembled on one side of the top of the support frame (1); a gear is fixed to the output shaft of the drive motor (21); a gear is meshed with a gear ring on one side of the gear; and the upper end of the push rod motor (20) is fixedly mounted on the inner wall of the gear ring.

3. The integrated equipment for automatically cleaning and drying solder balls according to claim 2, Features: The piston rod of the push rod motor (20) passes through the top of the support frame (1) and is fixedly mounted with an electric slide (19). The sliding end of the electric slide (19) is mounted in cooperation with the top of the connecting rod (16) through bolts.

4. The integrated equipment for automatically cleaning and drying solder balls according to claim 1, Features: The cleaning agent adding mechanism comprises a solution tube (11), a piston (12), a micro electric push rod (13), a pull rod (14) and a liquid inlet tube (15); the box cover (3) is provided with a plurality of through holes; the outer wall of the solution tube (11) is fixed to the inner wall of the through hole on the right side of the box cover (3); the inner wall of the solution tube (11) is sealingly and slidably connected to the piston (12); the inner ring of the piston (12) is fixedly matched to the outer wall of the pull rod (14); the micro electric push rod (13) is installed on one side of the upper end of the pull rod (14) and the top of the solution tube (11); the liquid outlet end of the solution tube (11) is fixedly connected to the liquid inlet tube (15).

5. The integrated equipment for automatically cleaning and drying solder balls according to claim 1, Features: The clamping assembly comprises a connecting frame (17), two groups of clamping push rod motors (18) and two groups of blocking rods. The upper part of the lifting rod (10) is provided with two groups of clamping holes, and the blocking rods are arranged through the clamping holes. One side surface of the blocking rod is fixedly matched with the piston rod of the clamping push rod motor (18). The two groups of clamping push rod motors (18) are welded to the connecting frame (17).

6. The integrated equipment for automatically cleaning and drying solder balls according to claim 4, Features: The drying assembly comprises a hot air blower (7), a drying pipe (8) and a drying hood. The hot air blower (7) is mounted on the top of the support frame (1) at a side away from the swing arm mechanism by means of bolts. The air outlet end of the hot air blower (7) and the air inlet end of the drying hood are fixedly connected with the drying pipe (8). The upper outer wall of the drying hood is connected to the inner wall of a group of through holes on the box cover (3).

7. The integrated equipment for automatically cleaning and drying solder balls according to claim 6, Features: The drying tube (8) is a corrugated tube, and the drying tube (8) is made of heat-resistant material.

8. The integrated equipment for automatically cleaning and drying solder balls according to claim 1, Features: The drainage assembly (9) comprises a liquid pump and a drainage pipe. The liquid pump is installed on one side of the bottom of the ultrasonic cleaning box (2). The liquid outlet of the liquid pump is connected to the drainage pipe. One end of the drainage pipe extends to the outside of the ultrasonic cleaning box (2).

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