Anti-relaxation bonding wire electroplating processing equipment

Abstract

The utility model discloses an anti-loosening bonding wire electroplating processing equipment, which belongs to the technical field of bonding wire electroplating processing equipment, and solves the problem that when the copper wire of the existing device moves on the sealing ring, the sealing of each bin body can be easily caused to wear, and then the sealing of each bin body can not be guaranteed, and the liquid in the bin body can be easily leaked. The utility model comprises an outer shell, the inner wall of the outer shell is fixedly installed with a partition, and the seven partitions are arranged in total. The seven partitions divide the interior of the outer shell into eight bin bodies, and the top surfaces of the eight bin bodies are all fixedly installed with a cross plate, and the middle part of the bottom surface of the cross plate is fixedly installed with a hydraulic rod, and the output end of the hydraulic rod is provided with a roller, and the middle part of the top surface of the partition is provided with a groove, and the side wall of the groove is rotatably sleeved with a turntable through a bearing ring, and the copper wire passes around the turntable, and then the copper wire is pressed into below the liquid surface of each bin body by the roller, thereby avoiding the liquid leakage between the bin bodies.

Description

Technical Field

[0001] The utility model relates to the technical field of bonding wire electroplating processing equipment, in particular to anti-loosening bonding wire electroplating processing equipment. Background Art

[0002] Electroplating is the process of plating a thin layer of other metals or alloys on certain metal surfaces using the principle of electrolysis. Bonding wire is a key material used to connect the chip and the packaging substrate during the chip packaging process. Electroplating a layer of pure gold on the surface of the copper wire can replace the pure gold bonding wire.

[0003] After searching, the application with patent number 201921696705.6 discloses a bonding wire protective coating processing device, including an electroplating device, a first cleaning chamber is provided on the left side of the inner cavity of the electroplating device, a first spray head is fixedly installed on the top of the first cleaning chamber, a degreasing chamber is provided on the right side of the first cleaning chamber, the interior of the degreasing chamber is filled with a degreasing agent, and a second cleaning chamber is provided on the right side of the degreasing chamber;

[0004] Although the processing equipment for the bonding wire protective coating utilizes copper metal electroplating to replace the pure gold bonding wire, which can effectively alleviate the problem of scarcity of rare metals, the copper wire of the bonding wire protective coating processing equipment is prone to cause wear of the sealing ring when moving on the sealing ring, and then the sealing of each bin body cannot be guaranteed, which can easily cause liquid leakage in the bin body.

[0005] Therefore, we propose an anti-relaxation bonding wire electroplating processing equipment. Utility Model Content

[0006] In view of the deficiencies in the prior art, the utility model provides an anti-loosening bonding wire electroplating processing equipment, which solves the problem that when the copper wire of the prior device moves on the sealing ring, the sealing ring is easily worn, and the sealing of each bin body cannot be guaranteed, which easily leads to liquid leakage in the bin body.

[0007] To achieve the above purpose, the utility model is implemented through the following technical solutions: an anti-loosening bonding wire electroplating processing equipment, including an outer shell, the top surface of the outer shell is hinged with a cover body by a hinge, the inner wall of the outer shell is fixedly installed with a partition, and there are seven partitions in total. The seven partitions divide the interior of the outer shell into eight bins, and the eight bins are respectively, from right to left, a first cleaning bin, a degreasing bin, a second cleaning bin, a plating bin, a third cleaning bin, a pickling bin, a fourth cleaning bin and a drying bin. The interior of the degreasing bin is filled with a degreasing agent, and the interior of the pickling bin is filled with an acid solution. The top surfaces of the eight bins are all fixedly installed with a horizontal plate, and a hydraulic rod is fixedly installed in the middle of the bottom surface of the horizontal plate. A roller is provided at the output end of the hydraulic rod, and a groove is opened in the middle of the top surface of the partition, and a turntable is rotatably mounted on the side wall of the groove through a bearing ring.

[0008] Preferably, the top ends of the left and right sides of the outer shell are respectively provided with symmetrically distributed copper wire inlet holes and copper wire outlet holes, so that the copper wire can be passed through the copper wire inlet holes and then discharged through the copper wire outlet holes.

[0009] Preferably, a U-shaped plate is fixedly installed at the output end of the hydraulic rod, and a roller is rotatably mounted on the inner wall of the U-shaped plate through a bearing ring, wherein the copper wire is passed around from the bottom of the roller, and the U-shaped plate and the roller are driven up and down by the hydraulic rod, and then the tension of the copper wire can be adjusted to make the copper wire taut.

[0010] Preferably, a limiting groove is provided on the arc surface of the turntable, wherein the copper wire is passed over the turntable and stuck in the limiting groove, and the limiting groove can prevent the copper wire from falling off the turntable.

[0011] Preferably, a hot air blower is fixedly installed on the inner wall of the drying bin, and a ventilation hole connected to the drying bin is opened on the side of the outer shell, wherein the hot air blower can dry the water on the surface of the copper wire, and the ventilation hole facilitates increasing the air circulation inside the drying bin.

[0012] Preferably, 7 liquid inlet pipes and liquid discharge pipes are fixedly installed in an array-distributed manner on the side walls and bottom surface of the outer shell, respectively, and the liquid inlet pipes are respectively connected with the first cleaning bin, oil removal bin, second cleaning bin, electroplating bin, third cleaning bin, acid leaching bin and fourth cleaning bin at their corresponding positions, and electromagnetic valves are fixedly installed on the liquid inlet pipes and liquid discharge pipes, wherein the corresponding liquid can be transported to the inside of the first cleaning bin, oil removal bin, second cleaning bin, electroplating bin, third cleaning bin, acid leaching bin and fourth cleaning bin at their corresponding positions through the liquid inlet pipes on the side walls of the outer shell, and the liquid inside the first cleaning bin, oil removal bin, second cleaning bin, electroplating bin, third cleaning bin, acid leaching bin and fourth cleaning bin at their corresponding positions can be discharged through the liquid inlet pipes on the bottom surface of the outer shell.

[0013] The utility model provides a bonding wire electroplating processing device for preventing relaxation. It has the following beneficial effects:

[0014] The anti-relaxation bonding wire electroplating processing equipment passes one end of the copper wire through the copper wire inlet hole, then passes the copper wire under the roller above the first cleaning chamber, and then passes it over the top of the turntable, so that the copper wire is stuck in the inside of the limit groove. According to the above method, the copper wire is passed through the inside of the degreasing chamber, the second cleaning chamber, the electroplating chamber, the third cleaning chamber, the acid immersion chamber, the fourth cleaning chamber and the drying chamber in sequence, and finally the copper wire is passed out through the copper wire outlet hole, the copper wire at one end of the copper wire outlet hole is pulled outward, and the U-shaped plate and the roller are driven up and down by the hydraulic rod to move the copper wire. The wire is pressed below the liquid level inside the eight bins to facilitate sufficient electroplating of the copper wire. At the same time, the surface of the copper wire can be adjusted to be in a taut state to avoid loosening of the copper wire, which is beneficial to winding up the copper wire. The copper wire is passed around the turntable and then pressed below the liquid level of each bin by a roller, thus avoiding liquid leakage between the bins. This solves the problem that when the copper wire of the existing device moves on the sealing ring, the sealing ring is easily worn, and the sealing of each bin cannot be guaranteed, which easily leads to liquid leakage in the bin. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 It is a side view structural schematic diagram of the utility model;

[0017] Figure 3 This is a schematic diagram of the internal structure of the outer shell of the utility model;

[0018] Figure 4 This is a schematic diagram of the partition and cross plate structure of the utility model.

[0019] In the figure: 1. outer shell; 2. cover body; 3. liquid inlet pipe; 4. liquid discharge pipe; 5. hot air blower; 6. partition; 61. groove; 62. turntable; 63. limit groove; 7. cross plate; 71. hydraulic rod; 72. U-shaped plate; 73. roller; 8. copper wire inlet hole; 9. copper wire outlet hole; 10. ventilation hole; 11. first cleaning chamber; 12. oil removal chamber; 13. second cleaning chamber; 14. electroplating chamber; 15. third cleaning chamber; 16. pickling chamber; 17. fourth cleaning chamber; 18. drying chamber. DETAILED DESCRIPTION

[0020] 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.

[0021] Embodiment 1:

[0022] like Figure 1-4 As shown: it includes an outer shell 1, the top surface of the outer shell 1 is hinged with a cover 2 through a hinge, and the inner wall of the outer shell 1 is fixedly installed with a partition 6, and a total of seven partitions 6 are provided. The seven partitions 6 divide the interior of the outer shell 1 into eight bins, and the eight bins are, from right to left, a first cleaning bin 11, a degreasing bin 12, a second cleaning bin 13, an electroplating bin 14, a third cleaning bin 15, an acid leaching bin 16, a fourth cleaning bin 17 and a drying bin 18. The degreasing bin 12 is filled with a degreasing agent, and the acid leaching bin 16 is filled with an acid The top surface of the eight bins is fixedly installed with a horizontal plate 7, the middle of the bottom surface of the horizontal plate 7 is fixedly installed with a hydraulic rod 71, and the output end of the hydraulic rod 71 is provided with a roller 73. A groove 61 is provided in the middle of the top surface of the partition 6, and a turntable 62 is rotatably mounted on the side wall of the groove 61 through a bearing ring. The tops of the left and right sides of the outer shell 1 are respectively provided with symmetrically distributed copper wire inlet holes 8 and copper wire outlet holes 9. A U-shaped plate 72 is fixedly installed at the output end of the hydraulic rod 71, and a roller 73 is rotatably mounted on the inner wall of the U-shaped plate 72 through a bearing ring. The arc surface of the turntable 62 is provided with a limiting groove 63. One end of the copper wire is passed through the copper wire inlet hole 8, and then the copper wire is passed under the roller 73 located above the first cleaning chamber 11, and then passed from the top of the turntable 62, so that the copper wire is stuck in the inner part of the limiting groove 63. According to the above method, the copper wire is passed through the degreasing chamber 12, the second cleaning chamber 13, the electroplating chamber 14, the third cleaning chamber 15, the acid leaching chamber 16, the fourth cleaning chamber 17 and the drying chamber 18 in sequence, and finally the copper wire is passed through the copper wire outlet hole 9. The copper wire at one end of the copper wire outlet hole 9 is pulled outward, and the hydraulic rod 71 drives the U-shaped plate 72 and the roller 73 to move up and down, so that the copper wire can be pressed below the liquid level inside the eight bins, so as to facilitate the copper wire to be fully electroplated. At the same time, the surface of the copper wire can be adjusted to be in a tight state, which is conducive to winding the copper wire and avoiding the copper wire from being loose. The copper wire is bypassed from the turntable 62 and then pressed below the liquid level of each bin by the roller 73, so as to avoid the leakage of liquid between the bins.

[0023] Embodiment 2:

[0024] like Figure 1-3As shown: a hot air blower 5 is fixedly installed on the inner wall of the drying bin 18, a ventilation hole 10 connected to the drying bin 18 is opened on the side of the outer shell 1, and 7 array-distributed liquid inlet pipes 3 and liquid discharge pipes 4 are fixedly installed on the side wall and bottom surface of the outer shell 1, respectively. The liquid inlet pipe 3 is connected to the first cleaning bin 11, the oil removal bin 12, the second cleaning bin 13, the electroplating bin 14, the third cleaning bin 15, the acid leaching bin 16 and the fourth cleaning bin 17 at the corresponding positions, and electromagnetic valves are fixedly installed on the liquid inlet pipe 3 and the liquid discharge pipe 4. The water on the surface of the copper wire can be blown dry by the hot air blower 5. The ventilation holes 10 facilitate increasing the air circulation inside the drying chamber 18, and the liquid inlet pipe 3 on the side wall of the outer shell 1 can transport corresponding liquids to the first cleaning chamber 11, the oil removal chamber 12, the second cleaning chamber 13, the electroplating chamber 14, the third cleaning chamber 15, the acid leaching chamber 16 and the fourth cleaning chamber 17 at corresponding positions thereof, and the liquid in the first cleaning chamber 11, the oil removal chamber 12, the second cleaning chamber 13, the electroplating chamber 14, the third cleaning chamber 15, the acid leaching chamber 16 and the fourth cleaning chamber 17 at corresponding positions thereof can be discharged through the liquid inlet pipe 3 on the bottom surface of the outer shell 1.

[0025] Working principle and use process of the utility model: When using the anti-loosening bonding wire electroplating processing equipment, open the cover 2, pass one end of the copper wire through the copper wire inlet hole 8, then pass the copper wire from the bottom of the roller 73 located above the first cleaning chamber 11, and then pass from the top of the turntable 62, so that the copper wire is stuck in the inner part of the limit groove 63. According to the above method, the copper wire is sequentially passed from the degreasing chamber 12, the second cleaning chamber 13, the electroplating chamber 14, the third cleaning chamber 15, the acid leaching chamber 16, the fourth cleaning chamber 17 and the drying chamber 18. The copper wire passes through the inside of the tank body, and finally passes through the copper wire outlet hole 9, and the copper wire at one end of the copper wire outlet hole 9 is pulled outward. After being processed by eight bin bodies, the processing flow is cleaning-degreasing-cleaning-electroplating-cleaning-acid immersion-cleaning-drying. Through these eight processes, electroplated copper bonding wire can be produced. The hydraulic rod 71 drives the U-shaped plate 72 and the roller 73 to move up and down, and the copper wire can be pressed below the liquid level inside the eight bin bodies. At the same time, the surface of the copper wire can be adjusted to be in a taut state to prevent the copper wire from loosening.

[0026] The above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is limited by the attached claims rather than the above description, and it is intended to include all changes within the meaning and scope of the equivalent elements of the claims. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0027] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. An anti-loosening bonding wire electroplating processing equipment, comprising an outer shell (1), the top surface of the outer shell (1) being hingedly connected to a cover (2) by a hinge, the inner wall of the outer shell (1) being fixedly mounted with a partition (6), a total of seven partitions (6) being provided, the seven partitions (6) dividing the interior of the outer shell (1) into eight chambers, the eight chambers being, from right to left, a first cleaning chamber (11), an oil removal chamber (12), a second cleaning chamber (13), an electroplating chamber (14), a third cleaning chamber (15), an acid leaching chamber (16), a fourth cleaning chamber (17) and a drying chamber (18), the interior of the oil removal chamber (12) being filled with an oil removal agent, and the interior of the acid leaching chamber (16) being filled with an acid solution; Features: A transverse plate (7) is fixedly mounted on the top surfaces of the eight bin bodies, a hydraulic rod (71) is fixedly mounted in the middle of the bottom surface of the transverse plate (7), a roller (73) is arranged at the output end of the hydraulic rod (71), a groove (61) is opened in the middle of the top surface of the partition plate (6), and a rotating disk (62) is rotatably mounted on the side wall of the groove (61) via a bearing ring.

2. The anti-relaxation bonding wire electroplating processing equipment according to claim 1, characterized in that: The top ends of the left and right sides of the outer shell (1) are respectively provided with symmetrically distributed copper wire inlet holes (8) and copper wire outlet holes (9).

3. The anti-relaxation bonding wire electroplating processing equipment according to claim 1, characterized in that: A U-shaped plate (72) is fixedly mounted on the output end of the hydraulic rod (71), and a roller (73) is rotatably mounted on the inner wall of the U-shaped plate (72) via a bearing ring.

4. The anti-relaxation bonding wire electroplating processing equipment according to claim 1, characterized in that: The arc surface of the rotating disk (62) is provided with a limiting groove (63).

5. The anti-relaxation bonding wire electroplating processing equipment according to claim 1, characterized in that: A hot air blower (5) is fixedly mounted on the inner wall of the drying bin (18), and a ventilation hole (10) communicating with the drying bin (18) is provided on the side of the outer shell (1).

6. The anti-relaxation bonding wire electroplating processing equipment according to claim 1, characterized in that: Seven liquid inlet pipes (3) and liquid discharge pipes (4) are fixedly mounted on the side wall and bottom surface of the outer shell (1) in an array arrangement. The liquid inlet pipes (3) are respectively connected to the first cleaning chamber (11), the oil removal chamber (12), the second cleaning chamber (13), the electroplating chamber (14), the third cleaning chamber (15), the acid leaching chamber (16) and the fourth cleaning chamber (17) at their corresponding positions. Electromagnetic valves are fixedly mounted on the liquid inlet pipes (3) and the liquid discharge pipes (4).

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