Drawing liquid mother box with good defoaming effect

CN224913260UActive Publication Date: 2026-10-30FUJIAN QUANZHOU ZHONGXIN ZHILIAN SEMICON MATERIAL CO LTD
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Patent Information

Application Number
CN202522686062.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-12-18
Publication Date
2026-10-30
Estimated Expiration
2035-12-18

AI Technical Summary

Technical Problem

[0002]键合丝是半导体器件和集成电路组装时为使芯片内电路的输入/输出键合点与引线框架的内接触点之间实现电气链接而使用的微细金属丝内引线,是整体IC封装材料市场的五大类基本材料之一,具备优异的电器、导热、机械性能,并且是化学稳定性极好的内引线材料,键合效果的好坏会直接影响到集成电路的性能,在对键合丝进行生产加工的过程中,需要使用拉丝液来起到润滑、降温、清洗、防锈的作用,在对拉丝液的使用过程中,由于机器的运转,导致消泡效果好的拉丝液母箱的箱体发生震动,使得拉丝液在母箱内晃动,再加上拉丝液自身易起泡的特性感,容易出现大量气泡,不利于使用拉丝液的使用

Benefits of technology

1、本实用新型通过在环形浮板的作用下,将电机以及破碎叶片之中漂浮于拉丝液的液面上方,从而在起泡时,在电机的作用下,能够对气泡进行破碎,避免起泡过多,导致涌出母箱本体的情况发生,同时解决了通过添加消泡剂进行消泡所存在的缺陷。

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Abstract

The utility model belongs to bonding wire production and processing technical field, and disclose a kind of good defoaming effect wire drawing liquid mother box, including mother box body, the inside of mother box body is equipped with stand, the outside of stand is equipped with sliding sleeve, the bottom outer periphery of sliding sleeve is equipped with annular floating plate, the top of annular floating plate is equipped with mounting plate, and the top of mounting plate is equipped with motor, and motor is equipped with sealing cover, the outside of mounting plate is equipped with sleeve pipe, the inside of sleeve pipe is equipped with transmission shaft, the outer periphery of transmission shaft is equipped with bearing sleeve, one end top of sleeve pipe is equipped with broken blade, and the bottom of broken blade, the output shaft end of motor and the both ends of transmission shaft are all provided with bevel gear, the utility model discloses under the action of annular floating plate, the liquid surface above wire drawing liquid is floated in motor and broken blade, so that when foaming, under the action of motor, bubble can be broken, avoid foaming too much, cause the situation of gushing mother box body to occur, and the defects existing in defoaming by adding defoaming agent are solved simultaneously.
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Description

Technical Field

[0001] This utility model relates to the field of bonding wire production and processing technology, and in particular to a drawing liquid master box with good defoaming effect. Background Technology

[0002] Bonding wires are fine metal wires used in the assembly of semiconductor devices and integrated circuits to achieve electrical connections between the input / output bonding points of the chip's internal circuitry and the internal contact points of the lead frame. They are one of the five major categories of basic materials in the overall IC packaging material market, possessing excellent electrical, thermal, and mechanical properties, and are chemically stable internal lead materials. The quality of the bonding directly affects the performance of the integrated circuit. During the production and processing of bonding wires, drawing fluid is used for lubrication, cooling, cleaning, and rust prevention. During the use of drawing fluid, the machine operation causes vibration in the drawing fluid master box, which is designed for defoaming, causing the drawing fluid to slosh within the box. Combined with the drawing fluid's inherent tendency to foam, this easily leads to a large number of bubbles, which is detrimental to its use.

[0003] Currently, most existing drawing fluid masterbatches with good defoaming effects do not have the function of eliminating foam. They usually eliminate bubbles by adding defoamers, using chemical defoaming methods. However, the addition of defoamers will reduce the purity of the drawing fluid, thereby affecting its lubrication and reducing its lubrication effect. If defoamers are not used, a large number of bubbles will overflow from the masterbatches, affecting the outside environment and hindering the operation of workers. Therefore, we propose a drawing fluid masterbatches with good defoaming effects. Utility Model Content

[0004] To address the problems mentioned in the background art, this utility model provides a drawing liquid master box with good defoaming effect. It has the function of physically eliminating bubbles. By breaking the foam through the defoaming tube and mechanical operation, the defoaming function is achieved. This effectively solves the shortcomings of defoaming agents and avoids the situation where bubbles rush out of the master box and affect the outside world.

[0005] The technical solution adopted by this utility model is: a drawing liquid master box with good defoaming effect, including a master box body, a defoaming tube and a crushing blade. A column is provided at the center of the interior of the master box body. A sliding sleeve is fitted on the outside of the column. The sliding sleeve is slidably connected to the column. An annular float plate is fixedly installed on the bottom outer periphery of the sliding sleeve. An installation plate is provided on the top of the annular float plate. The installation plate is also annular and is fitted on the outer periphery of the sliding sleeve and fixedly connected to the sliding sleeve and the annular float plate. Motors are installed on all four sides of the top of the installation plate. The motors are fitted with sealing covers. A sleeve is provided on the outer periphery of the installation plate. A drive shaft is provided inside the sleeve. Bearing sleeves are provided at both ends of the outer periphery of the drive shaft. The drive shaft is movably connected to the sleeve through the bearing sleeves. A crushing blade is provided at the top of one end of the sleeve. A bevel gear is provided at the center of the bottom of the crushing blade, the end of the motor output shaft and both ends of the drive shaft. Two adjacent bevel gears are meshed together.

[0006] Preferably, a liquid pump is provided on both sides of the top of the mother box body. The liquid pump is fixedly installed on both sides of the top of the mother box body by mounting screws. Both ends of the liquid pump are provided with defoaming tubes. The inner wall surface of the defoaming tube is provided with several conical protrusions. The end of the defoaming tube away from the liquid pump is sealed and connected to a telescopic conduit. The two telescopic conduits away from the defoaming tube are respectively fixedly connected to a liquid inlet hood and a liquid outlet hood.

[0007] Preferably, the bottom of both the liquid inlet hood and the liquid outlet hood is provided with a rectangular float plate, the liquid inlet hood and the liquid outlet hood are fixedly installed on the top of the rectangular float plate, a T-shaped slider is provided on the outer side of the rectangular float plate, and the inner walls of both sides of the mother box body are provided with sliding grooves, and the rectangular float plate is slidably connected to the inner wall of the mother box body through the provided sliding grooves and T-shaped sliders.

[0008] Preferably, the mother box body has multiple baffles at one end of its interior. The multiple baffles are staggered at one end of the mother box body. The top of some of the baffles is sealed to the top wall of the mother box body, and the other baffles are located in the middle of the mother box body and do not contact the bottom of the mother box body.

[0009] Preferably, the outer end of the mother box body near the baffle is provided with a liquid outlet, which extends to the inner bottom of the mother box body and is sealed and connected to its interior.

[0010] Preferably, a return pipe is provided at the outer end of the mother box body away from the baffle. One end of the return pipe enters from the top of the mother box body and extends to the inner bottom of the mother box body. The liquid outlet and the return pipe are both sealed and connected to the wire drawing machine.

[0011] Preferably, the column has limiting blocks on both outer sides, and the sliding sleeve has limiting grooves on both inner sides of its inner wall. The sliding sleeve is slidably connected to the column through the limiting blocks and limiting grooves.

[0012] The beneficial effects of this utility model are: 1. This utility model floats the motor and crushing blades above the surface of the drawing fluid under the action of the annular float plate. Thus, when foaming occurs, the motor can break up the bubbles, preventing excessive foaming that could cause it to overflow from the mother box. At the same time, it solves the defects of defoaming by adding defoaming agents.

[0013] 2. This utility model uses liquid pumps installed on both sides of the top of the mother box body, and uses defoaming pipes and floats to ensure that the liquid inlet and outlet hoods are always above the surface of the drawing liquid, so as to extract air bubbles that cannot be reached by the broken blades inside the mother box body. The defoaming is also performed by the conical protrusion inside the defoaming pipe to prevent air bubbles from accumulating on both sides inside the mother box body. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a schematic diagram of the internal structure of the mother box of this utility model; Figure 3 This is a schematic diagram of the structure of the crushing blade of this utility model; Figure 4 This is a schematic diagram of the internal structure of the defoaming tube of this utility model.

[0015] Explanation of reference numerals in the attached drawings: 1. Mother tank body; 2. Liquid pump; 3. Defoaming pipe; 4. Telescopic conduit; 5. Liquid inlet hood; 6. Rectangular float; 7. Slide chute; 8. Liquid drain hood; 9. Baffle; 10. Column; 11. Limiting block; 12. Sliding sleeve; 13. Annular float; 14. Mounting plate; 15. Motor; 16. Sleeve; 17. Drive shaft; 18. Bevel gear; 19. Crushing blade; 20. Bearing sleeve; 21. Conical protrusion; 22. Liquid outlet; 23. Return pipe. Detailed Implementation

[0016] The present invention will be further described below with reference to the accompanying drawings: like Figure 1-4As shown, this embodiment provides a drawing fluid master box with good defoaming effect, including a master box body 1, a defoaming pipe 3, and a breaking blade 19. A column 10 is provided at the center of the master box body 1. A sliding sleeve 12 is fitted around the outside of the column 10, and the sliding sleeve 12 is slidably connected to the column 10. An annular float 13 is fixedly installed on the bottom outer periphery of the sliding sleeve 12. A mounting plate 14 is provided on the top of the annular float 13. The mounting plate 14 is also annular and is fitted around the outer periphery of the sliding sleeve 12 and fixedly connected to the sliding sleeve 12 and the annular float 13. Motors 15 are installed around the top of the device. A sealing cover is installed on the outside of the motors 15. A sleeve 16 is provided around the outside of the mounting plate 14. A drive shaft 17 is provided inside the sleeve 16. Bearing sleeves 20 are provided at both ends of the outer periphery of the drive shaft 17. The drive shaft 17 is movably connected to the sleeve 16 through the provided bearing sleeves 20. A crushing blade 19 is provided at the top of one end of the sleeve 16. A bevel gear 18 is provided at the bottom center of the crushing blade 19, the end of the output shaft of the motor 15, and both ends of the drive shaft 17. Two adjacent bevel gears 18 are meshed together.

[0017] This invention utilizes the buoyancy generated between the annular float 13 and the drawing fluid to support the mounting plate 14 and its top and external components. This ensures that the mounting plate 14, motor 15, sleeve 16, and crushing blade 19 are all positioned above the surface of the drawing fluid. Under the action of the motor 15, in conjunction with the bevel gear 18, the transmission shaft 17 is driven to rotate, thereby driving the crushing blade 19 to rotate and break the bubbles generated on the surface of the drawing fluid. The column 10 and the limiting block 11, in conjunction with the limiting groove inside the sliding sleeve 12, limit the sliding sleeve 12, the annular float 13, and the mounting plate 14, allowing them to rise and fall along the trajectory of the column 10 according to the height of the drawing fluid surface. This ensures that the crushing blade 19 is always above the surface of the drawing fluid, thus achieving a good effect of breaking bubbles.

[0018] Specifically, the mother box body 1 is equipped with a liquid pump 2 on both sides of the top. The liquid pump 2 is fixedly installed on both sides of the top of the mother box body 1 by mounting screws. Both ends of the liquid pump 2 are equipped with defoaming pipes 3. The inner wall surface of the defoaming pipe 3 is provided with several conical protrusions 21. The end of the defoaming pipe 3 away from the liquid pump 2 is sealed and connected to a telescopic conduit 4. The two telescopic conduits 4 away from the defoaming pipe 3 are respectively fixedly connected to an inlet hood 5 and a drain hood 8.

[0019] This utility model uses a liquid pump 2 installed on both sides of the top of the mother box body 1, along with a defoaming pipe 3, a telescopic conduit 4, and a liquid inlet hood 5, to absorb the air bubbles inside the mother box body 1 that cannot be reached by the breaking blades 19. The air bubbles are then introduced into the interior of the defoaming pipe 3, where the conical protrusions 21 inside puncture the air bubbles, thereby achieving the purpose of defoaming. The air bubbles are then discharged through the liquid outlet hood 8.

[0020] Furthermore, both the liquid inlet hood 5 and the liquid outlet hood 8 are provided with rectangular float plates 6 at their bottoms. The liquid inlet hood 5 and the liquid outlet hood 8 are fixedly installed on the top of the rectangular float plates 6. A T-shaped slider is provided on the outer side of the rectangular float plates 6. Sliding grooves 7 are provided on the inner wall surfaces of both sides of the mother box body 1. The rectangular float plates 6 are slidably connected to the inner wall of the mother box body 1 through the provided sliding grooves 7 and T-shaped sliders.

[0021] This invention features a rectangular float 6 at the bottom of the liquid inlet hood 5 and the liquid outlet hood 8, which, together with a chute 7 and a T-shaped slider, allows the rectangular float 6 to move up and down along the trajectory of the chute 7 following the liquid level of the drawing liquid. This ensures that the liquid inlet hood 5 and the liquid outlet hood 8 are always positioned above the liquid level of the drawing liquid and do not come into contact with the liquid surface, allowing for better extraction of air bubbles into the defoaming tube 3 for defoaming.

[0022] Furthermore, the mother box body 1 has multiple baffles 9 at one end of its interior. The multiple baffles 9 are staggered at one end of the interior of the mother box body 1. The top of some baffles 9 is sealed to the top wall of the interior of the mother box body 1, while other baffles 9 are located in the middle of the interior of the mother box body 1 and do not contact the bottom of the mother box body 1.

[0023] This invention uses a baffle 9 to block air bubbles at the top of the drawing fluid surface, preventing them from entering the drawing machine through the conduit and affecting the drawing fluid's performance during extraction.

[0024] It is worth noting that the outer end of the mother box body 1 near the baffle 9 is provided with a liquid outlet 22, which extends to the inner bottom of the mother box body 1 and is sealed and connected to its interior.

[0025] In this invention, the drawing liquid is drawn by an externally installed pump body through the liquid outlet 22, so that the drawing liquid can be powered to flow into the interior of the drawing machine.

[0026] It is worth noting that a return pipe 23 is provided at the outer end of the mother box body 1 away from the baffle 9. One end of the return pipe 23 enters from the top of the mother box body 1 and extends to the bottom of the mother box body 1. Both the liquid outlet 22 and the return pipe 23 are sealed and connected to the wire drawing machine.

[0027] In this invention, the drawing fluid inside the drawing machine is returned to the mother box body 1 through the reflux pipe 23, so that it can be cooled and reused.

[0028] It is worth emphasizing that the column 10 has limiting blocks 11 on both sides of its outer surface, and the sliding sleeve 12 has limiting grooves on both sides of its inner wall. The sliding sleeve 12 is slidably connected to the column 10 through the limiting blocks 11 and limiting grooves.

[0029] In this invention, the limiting block 11 is provided to limit the sliding sleeve 12, thereby preventing the sliding sleeve 12 from rotating and affecting the stability of the crushing blade 19.

[0030] The foregoing has shown and described the basic principles and main features of this invention, as well as its advantages. Those skilled in the art should understand that this invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this invention. Various changes and modifications can be made to this invention without departing from its spirit and scope. All such changes and modifications fall within the scope of this invention as defined by the appended claims and their equivalents.

Claims

1. A drawing fluid master box with good defoaming effect, comprising a master box body (1), a defoaming tube (3) and a crushing blade (19), characterized in that: The mother box body (1) has a column (10) at its center. A sliding sleeve (12) is fitted around the column (10). The sliding sleeve (12) is slidably connected to the column (10). An annular float plate (13) is fixedly installed on the bottom outer periphery of the sliding sleeve (12). An mounting plate (14) is provided on the top of the annular float plate (13). The mounting plate (14) is also annular. The mounting plate (14) is fitted around the outer periphery of the sliding sleeve (12) and is fixedly connected to the sliding sleeve (12) and the annular float plate (13). Motors (15) are installed on all four sides of the top of the mounting plate (14). The mounting plate (14) is equipped with a sealing cover. The outer periphery of the mounting plate (14) is provided with a sleeve (16). The inside of the sleeve (16) is provided with a drive shaft (17). The two ends of the outer periphery of the drive shaft (17) are provided with bearing sleeves (20). The drive shaft (17) is movably connected to the sleeve (16) through the provided bearing sleeves (20). One end of the sleeve (16) is provided with a crushing blade (19). The bottom center of the crushing blade (19), the end of the output shaft of the motor (15) and the two ends of the drive shaft (17) are all provided with bevel gears (18). Two adjacent bevel gears (18) are meshed and connected.

2. The defoaming liquid master box with good fiber drawing effect according to claim 1, characterized in that: The mother box body (1) is provided with a liquid pump (2) on both sides of the top. The liquid pump (2) is fixedly installed on both sides of the top of the mother box body (1) by mounting screws. Both ends of the liquid pump (2) are provided with defoaming pipes (3). The inner wall surface of the defoaming pipe (3) is provided with several conical protrusions (21). The end of the defoaming pipe (3) away from the liquid pump (2) is sealed and connected to a telescopic conduit (4). The two telescopic conduits (4) away from the defoaming pipe (3) are respectively fixedly connected to an inlet cover (5) and a drain cover (8).

3. The defoaming liquid master box with good fiber drawing effect according to claim 2, characterized in that: The bottom of the liquid inlet hood (5) and the liquid outlet hood (8) are provided with rectangular float plates (6). The liquid inlet hood (5) and the liquid outlet hood (8) are fixedly installed on the top of the rectangular float plates (6). A T-shaped slider is provided on the outer side of the rectangular float plates (6). Sliding grooves (7) are provided on the inner wall surfaces of both sides of the mother box body (1). The rectangular float plates (6) are slidably connected to the inner wall of the mother box body (1) through the provided sliding grooves (7) and T-shaped sliders.

4. The defoaming liquid master box with good fiber drawing effect according to claim 1, characterized in that: The mother box body (1) has multiple baffles (9) at one end of its interior. The multiple baffles (9) are staggered at one end of the interior of the mother box body (1). The top of some of the baffles (9) is sealed to the top wall of the interior of the mother box body (1), and the other part of the baffles (9) is located in the middle of the interior of the mother box body (1) and does not contact the bottom of the mother box body (1).

5. The defoaming liquid master box with good fiber drawing effect according to claim 1, characterized in that: The mother box body (1) has a liquid outlet (22) at one end near the baffle (9) on the outside. The liquid outlet (22) extends to the bottom of the mother box body (1) and is sealed and connected to its interior.

6. The defoaming liquid master box with good fiber drawing effect according to claim 5, characterized in that: The mother box body (1) is provided with a return pipe (23) at the outer end away from the baffle (9). One end of the return pipe (23) is inserted from the top of the mother box body (1) and extends to the bottom of the mother box body (1). The liquid outlet (22) and the return pipe (23) are both sealed and connected to the wire drawing machine.

7. The defoaming liquid master box with good fiber drawing effect according to claim 1, characterized in that: The column (10) is provided with limiting blocks (11) on both sides of its exterior, and the sliding sleeve (12) is provided with limiting grooves on both sides of its interior wall. The sliding sleeve (12) is slidably connected to the column (10) through the limiting blocks (11) and limiting grooves.