CN114146984B - Integrated circuit lead frame cleaning production process - Google Patents
Integrated circuit lead frame cleaning production process Download PDFInfo
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- CN114146984B CN114146984B CN202111456875.9A CN202111456875A CN114146984B CN 114146984 B CN114146984 B CN 114146984B CN 202111456875 A CN202111456875 A CN 202111456875A CN 114146984 B CN114146984 B CN 114146984B
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- rod
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- 238000004140 cleaning Methods 0.000 title claims abstract description 87
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 97
- 238000005406 washing Methods 0.000 claims abstract description 77
- 238000002791 soaking Methods 0.000 claims abstract description 57
- 239000012535 impurity Substances 0.000 claims abstract description 47
- 238000000034 method Methods 0.000 claims abstract description 35
- 238000005201 scrubbing Methods 0.000 claims abstract description 24
- 230000001680 brushing effect Effects 0.000 claims abstract description 23
- 230000008569 process Effects 0.000 claims abstract description 20
- 230000009471 action Effects 0.000 claims abstract description 6
- 230000007246 mechanism Effects 0.000 claims description 107
- 230000007306 turnover Effects 0.000 claims description 39
- 239000007921 spray Substances 0.000 claims description 32
- 238000001914 filtration Methods 0.000 claims description 30
- 239000010865 sewage Substances 0.000 claims description 12
- 238000005192 partition Methods 0.000 claims description 10
- 238000010926 purge Methods 0.000 claims description 9
- 238000007599 discharging Methods 0.000 claims description 3
- 230000002349 favourable effect Effects 0.000 abstract description 21
- 238000003780 insertion Methods 0.000 description 15
- 230000037431 insertion Effects 0.000 description 15
- 238000007654 immersion Methods 0.000 description 11
- 238000005507 spraying Methods 0.000 description 10
- 230000009286 beneficial effect Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 230000002093 peripheral effect Effects 0.000 description 6
- 238000011010 flushing procedure Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000007789 sealing Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 description 1
- 239000005751 Copper oxide Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 229910000431 copper oxide Inorganic materials 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
- B08B3/022—Cleaning travelling work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/12—Brushes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/20—Cleaning of moving articles, e.g. of moving webs or of objects on a conveyor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/045—Cleaning involving contact with liquid using perforated containers, e.g. baskets, or racks immersed and agitated in a liquid bath
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
- B08B3/14—Removing waste, e.g. labels, from cleaning liquid; Regenerating cleaning liquids
Landscapes
- Cleaning By Liquid Or Steam (AREA)
Abstract
The invention relates to the technical field of lead frame cleaning, in particular to a cleaning production process of an integrated circuit lead frame, which comprises the following steps: firstly, putting a lead frame into cleaning equipment, carrying out first-time washing on the lead frame through the cleaning equipment, separating impurities with small surface binding power of the lead frame from the lead frame under the washing of water flow, and soaking the lead frame through the washed cleaning solution to soften the impurities with large surface binding power of the lead frame under the soaking action; vibrating the lead frame through cleaning equipment in the soaking process to shake off impurities which are not firmly adsorbed on the surface of the lead frame, and brushing the side walls of the periphery of the lead frame; the process is favorable for cleaning impurities with large surface binding power of the lead frame by soaking, scrubbing and washing the lead frame for the second time.
Description
Technical Field
The invention relates to the field of lead frame cleaning, in particular to a cleaning production process of an integrated circuit lead frame.
Background
The lead frame is used as a chip carrier of an integrated circuit, is a key structural member for realizing the electrical connection between a leading-out end of an internal circuit of a chip and an external lead by means of bonding materials (gold wires, aluminum wires and copper wires) to form an electrical loop, plays a role of a bridge connected with an external wire, needs to use the lead frame in most semiconductor integrated blocks, and is an important basic material in the electronic information industry.
The invention discloses a part of patents related to lead frame cleaning, namely a Chinese patent with application number 201910954138.8, and discloses a lead frame cleaning mechanism, which comprises a box body, a switching tube and a hinge, wherein the top surface of the box body is provided with a water pipe mounting hole, the side surface of the box body is movably provided with a box door through the hinge, the side surface of the box door is fixedly provided with a sealing ring, the side surface of the box door is provided with an observation window, the inner cavity of the box body is fixedly provided with a partition plate, the top surface of the partition plate is fixedly provided with a fixed bottom rod, the side surface of the fixed bottom rod is fixedly provided with a locking device, and the top of the fixed bottom rod is fixedly provided with a fixed ejector rod through the hinge.
The lead frame can cause the layering of the molding compound and the copper lead frame due to copper oxide and other pollutants in the processing process, the reliability of a device is reduced, and the quality of chip bonding and lead bonding is further influenced, so that the lead frame needs to be cleaned in the production process of the lead frame.
At present, the cleaning of a lead frame is mostly carried out by adopting a spray head for cleaning or directly scrubbing, the spray head is used for cleaning the surface of the lead frame by utilizing high-pressure water flow sprayed by the spray head, but the cleaning is found in the cleaning process, impurities which are firmly adhered to the surface of the lead frame are difficult to clean, the area of the peripheral side wall of the lead frame is small and relatively deviates from the central position of a main body, the contact water is less, so that the impurities on the peripheral side wall are difficult to thoroughly clean, the production quality of the lead frame in the later period is influenced, if the surface of the lead frame is directly scrubbed, the surface of the lead frame is easily damaged, and in view of the above, the integrated circuit lead frame cleaning production process is provided.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a cleaning production process of an integrated circuit lead frame, which comprises the following steps:
firstly, putting a lead frame into a cleaning device, carrying out first-time washing on the lead frame through the cleaning device, separating impurities with small surface binding power of the lead frame from the lead frame under the washing of water flow, and soaking the lead frame through a washed cleaning solution to soften the impurities with large surface binding power of the lead frame under the soaking action;
Step two, in the soaking process, vibrating the lead frame through cleaning equipment, shaking off impurities which are not firmly adsorbed on the surface of the lead frame, and brushing the side walls of the periphery of the lead frame;
step three, after soaking, discharging the soaked sewage through cleaning equipment, washing the lead frame for the second time, overturning the lead frame through the cleaning equipment, increasing the washing area of the lead frame, enabling two surfaces of the lead frame to be washed in time, and continuously shaking the lead frame in the washing process to shake off impurities on the surface of the lead frame;
step four, after the washing is finished, taking out the lead frame;
the cleaning equipment comprises a shell and a soaking box, wherein the soaking box is fixed on the inner wall of the shell, a gap is formed between the bottom surface of the soaking box and the inner bottom surface of the shell, a drainage mechanism is arranged on the bottom surface of the soaking box, a spray washing mechanism used for spraying a lead frame in the soaking box is arranged above the soaking box, a partition plate is fixed in the soaking box and divides the inside of the soaking box into a cleaning chamber and an equipment chamber, a plurality of U-shaped frames are rotatably connected to the inner side wall of the cleaning chamber, a sealing plate is hinged to the top ends of the U-shaped frames, two sides of the U-shaped frames are jointly connected with a turnover mechanism used for driving the U-shaped frames to turn over, the turnover mechanism is used for linking the drainage mechanism to discharge sewage in the cleaning chamber to the inside of the shell, and an insertion groove is formed in the inner annular wall of each U-shaped frame, a first brushing mechanism is arranged in the inserting groove, and when the U-shaped frame swings, the first brushing mechanism brushes the edge of the surface of the lead frame; when the lead frame cleaning machine works, most of the lead frame is cleaned by adopting a spray head or directly scrubbed at present, the spray head is used for cleaning the surface of the lead frame by utilizing high-pressure water flow sprayed by the spray head, but in the cleaning process, impurities firmly adhered to the surface of the lead frame are difficult to clean, the area of the peripheral side walls of the lead frame is small and relatively deviates from the central position of a main body, and the chance of water contact is small, so that the impurities on the peripheral side walls are difficult to clean completely, the production quality of the lead frame in the later period is influenced, and if the surface of the lead frame is directly scrubbed, the surface of the lead frame is easy to damage, the technical scheme can solve the problems. Then, water flow is sprayed into the cleaning chamber through the spraying mechanism to wash the lead frame for the first time, impurities with small surface binding force on the lead frame are separated from the lead frame under the washing of the water flow, at the moment, the drainage mechanism is in a closed state, the water flow gradually passes through the lead frame along with the increase of the water flow, at the moment, the spraying mechanism is closed, the lead frame is soaked through the washed water flow, the impurities with firm surface binding on the lead frame are softened under the soaking effect, when the secondary washing is carried out in the later period, the impurities with firm binding are separated from the lead frame, the impurities with firm surface binding on the lead frame are cleaned, after the soaking is finished, the U-shaped frame is driven to swing left and right through the turnover mechanism, the drainage mechanism is linked to discharge sewage in the cleaning chamber to the inside of the shell, and the secondary spraying mechanism is used for washing the surface of the lead frame, be favorable to washing away the soft impurity in lead frame surface, and turn-over about driving the lead frame through turn-over mechanism, can be under the condition of not adjusting the shower nozzle position, through making the lead frame turn-over, be favorable to increaseing the area of washing of lead frame, and realize washing to the lead frame two sides, quantity to the shower nozzle has reduced, be favorable to practicing thrift equipment cost, soak and make the impurity soften the back, through the in-process at the lead frame turn-over, make first scrubbing mechanism scrub the lead frame area less edge all around, prevent the in-process that washes, the lead frame is difficult to all around by clean up's problem emergence.
Preferably, the spray washing mechanism comprises a water collecting tank, one side of the water collecting tank is fixed on the inner wall of the shell, the other side of the water collecting tank is fixed on the outer wall of the soaking tank, a filtering mechanism for filtering water flow in the shell is arranged between the water collecting tank and the shell, the top of the water collecting tank is fixedly communicated with two flow guide pipes, the flow guide pipes are symmetrically and fixedly arranged on two sides of the soaking tank, a plurality of communicating pipes are fixedly communicated between the two flow guide pipes, the bottom of each communicating pipe is fixedly communicated with a spray head, a water pump is fixed in the water collecting tank, and the water outlet end of the water pump is fixedly communicated with one of the flow guide pipes; when the washing machine works, the cleaning solution in the water collecting tank is extracted through the water pump, the cleaning solution is conveyed to the inside of the communicating pipe through the flow guide pipe and is sprayed out from the spray head, the lead frame is washed, the washed water is discharged to the inside of the shell through the drainage mechanism, the sewage is filtered through the filtering mechanism and then enters the inside of the water collecting tank again, so that the water flow is utilized for multiple times, water saving is facilitated, the recycled water is ensured to pass through the filtering treatment, the cleanness of the washing water is kept, and the lead frame is favorably and thoroughly washed.
Preferably, the filtering mechanism comprises a filtering port, the filtering port is formed in the side wall of the collecting box and communicated with the inside of the shell, and a filter screen is fixed inside the filtering port; during operation makes the inside intercommunication of casing and header tank through setting up the filtration mouth, and the inside rivers of the casing of being convenient for get into inside the header tank, through setting up the filter screen, is favorable to filtering the inside rivers of casing, is convenient for carry out the reutilization to the water that is used for washing.
Preferably, the turnover mechanism comprises a waist groove, pulling rods and a first motor, the first motor is fixed on the inner wall of the equipment room, the waist groove is formed in the side wall of the U-shaped frame, the pulling rods are symmetrically arranged on two sides of the U-shaped frame, the pulling rods are rotatably connected with a plurality of inserting rods, the inserting rods are slidably connected into the corresponding waist grooves, one end of each pulling rod penetrates through the partition plate in a sliding manner and extends into the equipment room, one ends of the two pulling rods, which are positioned in the equipment room, are jointly fixed with a connecting rod, the connecting rod is symmetrically provided with two abdicating holes, a screw rod and a polish rod are respectively inserted into the two abdicating holes, two ends of the polish rod are fixed on the inner wall of the equipment room, one end of the screw rod is rotatably connected on the inner wall of the equipment room, and the other end of the screw rod is fixedly connected with an output shaft of the first motor, a moving rod is sleeved on the screw rod and the polished rod in a sliding mode, a threaded sleeve is rotatably connected to the position, close to the screw rod, of the moving rod, the threaded sleeve is in threaded fit with the screw rod, a vibration mechanism is arranged between the moving rod and the connecting rod and used for enabling the connecting rod to swing left and right relative to the moving rod, an elastic connecting mechanism is arranged between the moving rod and the connecting rod and used for elastically pulling the connecting rod; when the device works, after soaking is completed, the power supply of the first motor is switched on, the screw rod is driven to rotate through the output shaft of the first motor, the threaded sleeve moves on the screw rod, the movable rod is driven to move through the threaded sleeve, one end of the movable rod is supported and limited through the polished rod, when the movable rod moves towards one side close to the soaking box, the connecting rod is pulled through the elastic connecting mechanism to synchronously move along with the movable rod, when the movable rod moves towards one side far away from the soaking box, the connecting rod is pushed through the movable rod to synchronously move along with the movable rod, so that the connecting rod drives the pull rod to move left and right, the pull rod slides up and down in the waist groove through the insertion rod, the U-shaped frame is pulled to turn over, the lead frame in the U-shaped frame is turned over, the flushing area of the lead frame is increased, and the two sides of the lead frame are flushed, on one hand, the number of the spray heads is reduced, which is beneficial to saving equipment cost, and on the other hand, the lead frame is more comprehensively flushed, which is beneficial to thoroughly flushing the lead frame.
Preferably, the vibration mechanism comprises a mounting groove, the mounting groove is formed in the side wall of the moving rod, a second motor is fixed on the inner wall of the mounting groove, an output shaft of the second motor penetrates through the bottom of the mounting groove and extends out of the mounting groove, a cam is fixed on the output shaft of the second motor, and one side of the cam is in contact with the connecting rod; the during operation, in the process of soaking, the carriage release lever is in quiescent condition, rotate through second motor drive cam, the most distal end through the cam promotes the connecting rod and keeps away from the carriage release lever, and under elastic connection mechanism's effect, make the connecting rod reset, thereby make the connecting rod take place to remove relatively the carriage release lever, be favorable to driving the pulling rod through the connecting rod and remove, thereby in the process of soaking, make U type frame can take place the upset in the purge chamber inside, thereby the first washing of linkage is rinsed the mechanism and is brushed the lead frame, and in the in-process of lead frame wobbling, be favorable to shaking off the not firm impurity of lead frame surface adsorption inside the purge chamber, the cleaning ability to the lead frame surface has been improved, be favorable to the thorough clearance to lead frame surface.
Preferably, the elastic connection mechanism comprises two pulling columns symmetrically fixed on the side wall of the moving rod, one end of each pulling column penetrates through the connecting rod in a sliding manner and extends out of the connecting rod, then a limiting plate is fixed, and a first spring is fixed between the limiting plate and the connecting rod together; the during operation, when the carriage release lever when being close to soak case one side and removing, through limiting plate and first spring cooperation, the pulling connecting rod is along with carriage release lever synchronous motion, through setting up elastic connection mechanism, is favorable to under the motionless condition of carriage release lever, makes the connecting rod can take place the displacement for the carriage release lever, is convenient for under the condition that does not influence drainage mechanism closed state, makes the lead frame brush the lead frame at the in-process that soaks, through the upset of connecting rod drive U type frame, the first mechanism of rinsing of linkage brushes the lead frame.
Preferably, the first scrubbing mechanism comprises a strip-shaped through hole, a jacking strip, a first scrubbing strip and a water outlet through groove, the water outlet through groove is formed in the side wall of the U-shaped frame, the strip-shaped through hole is formed in the inner bottom surface of the U-shaped frame, the first scrubbing strip is symmetrically fixed on the inner walls of two sides of the insertion groove, a second scrubbing strip is arranged on the inner bottom surface of the insertion groove, the second scrubbing strip is vertically and slidably connected into the insertion groove, a jacking block is fixed at the bottom of the second scrubbing strip, the bottom surface of the jacking block is arc-shaped, the jacking block penetrates through the strip-shaped through hole and extends out, the jacking strip is fixed on the inner bottom surface of the cleaning chamber, the top surface of the jacking strip is arc-shaped, and when the U-shaped frame is in a vertical state, the jacking block abuts against the arc surface of the jacking strip; when the U-shaped frame works, when the U-shaped frame is in a vertical state, the jacking block abuts against the arc surface of the jacking strip, at the moment, the second washing strip at the top of the jacking block is not in contact with the inner bottom surface of the inserting groove, when the U-shaped frame is turned from the vertical state to an inclined state, the jacking block is separated from the jacking strip, the jacking block is pushed downwards under the gravity of the lead frame and the second washing strip, so that the second washing strip is in contact with the inner bottom surface of the inserting groove, when the U-shaped frame is turned from the inclined state to the vertical state, the jacking block and the jacking strip are collided and abutted, under the guiding action of the upper arc surface of the jacking strip, the jacking block pushes the second washing strip upwards, so that the lead frame moves upwards, the lead frame moves between the first washing strips, in the moving process, the two sides of the lead frame are washed through the first washing strip, and the bottom of the lead frame is washed through the second washing strip, through scrubbing the less edge of lead frame both sides and bottom area, prevent at the in-process that washes, the lead frame is difficult to all around by the clean up problem emergence.
Preferably, a second brushing mechanism used for brushing the top surface of the lead frame is arranged in the closed plate and comprises a strip-shaped groove, the strip-shaped groove is formed in the inner bottom surface of the closed plate and communicated with the inside of the insertion groove, a plurality of turnover plates are hinged to the inside of the strip-shaped groove, a second spring is fixed between the turnover plates and the inner top surface of the strip-shaped groove, and a third brushing strip is hinged to the bottom of each turnover plate; when the lead frame cleaning device works, when the lead frame moves upwards, the third washing strip is pushed to compress the second spring and slide on the top surface of the lead frame, and when the lead frame falls down, the third washing strip is pushed by the second spring to reset, so that the top surface of the lead frame is cleaned.
Preferably, the drainage mechanism comprises a plurality of first drainage grooves and a plurality of second drainage grooves, the first drainage grooves are arranged on the bottom surface of the cleaning chamber at equal intervals, sliding grooves are jointly formed in the inner walls of the first drainage grooves, sliding plates are connected inside the sliding grooves in a sliding mode, a connecting frame is fixed to one end of each sliding plate, penetrates through the sliding grooves, extends into the equipment room and then is fixed to the movable rod, the second drainage grooves are arranged on the surface of each sliding plate at equal intervals, and the adjacent second drainage grooves and the first drainage grooves are arranged in a staggered mode; the during operation, soaking the in-process, first water drainage tank and second water drainage tank are crisscross each other, thereby make the purge chamber bottom be in encapsulated situation, soak and accomplish the back, when needs carry out the turn-over to the lead frame, control the removal through the carriage release lever drive link, drive the sliding plate through the link and at the inside horizontal slip of sliding tray, make first water drainage tank and second water drainage tank communicate each other at the in-process of butt joint, thereby in time arrange the inside rivers of purge chamber to inside the casing, the later stage of being convenient for washes the lead frame.
Compared with the prior art, the invention has the following beneficial effects:
the utility model provides a lead frame, put into the soak incasement portion with the lead frame, and insert the lead frame and establish the inslot portion on the U type frame, support fixedly to the lead frame through U type frame, then, spout rivers into the cleaning chamber through the spray rinsing mechanism, wash the lead frame for the first time, the less impurity of lead frame surface adhesion is under the washing of rivers, break away from the lead frame, and drainage mechanism is in the closure state this moment, along with the increase of rivers, rivers do not pass through the lead frame gradually, at this moment, close the spray rinsing mechanism, soak the lead frame through the rivers that wash, make the comparatively firm impurity of lead frame surface bonding soften under the effect of soaking, when being convenient for the later stage carry out the secondary and wash, make the comparatively firm impurity of bonding break away from the lead frame, thereby make the comparatively firm impurity of bonding on lead frame surface clear up.
After soaking, the U-shaped frame is driven to swing left and right through the turnover mechanism, the drainage mechanism is linked to drain sewage in the cleaning chamber into the shell, and secondary spray washing is carried out on the surface of the lead frame through the spray washing mechanism, so that softened impurities on the surface of the lead frame can be washed away.
And turn over about and through turn-over mechanism drive lead frame, can be under the condition of not adjusting the shower nozzle position, through making lead frame turn over, be favorable to increaseing the area that washes of lead frame to the realization is to the washing of lead frame two sides, has reduced the quantity of shower nozzle, is favorable to practicing thrift equipment cost.
Fourthly, in the process of lead frame turn-over, make first scrubbing mechanism scrub the less edge of lead frame area all around, prevent at the in-process that washes, the lead frame is difficult to all around by the clean up problem emergence.
And fifthly, when the lead frame moves upwards, the third washing strip is pushed to compress the second spring and slide on the top surface of the lead frame, and when the third washing strip falls down, the third washing strip is pushed by the second spring to reset, so that the top surface of the lead frame is washed.
Drawings
FIG. 1 is a process flow diagram of the present invention;
FIG. 2 is a schematic view of the overall structure of the present invention;
FIG. 3 is a first overall cross-sectional structural schematic of the present invention;
FIG. 4 is a second overall cross-sectional structural schematic view of the present invention;
FIG. 5 is a schematic diagram of the structure at A in FIG. 4 according to the present invention;
FIG. 6 is a schematic diagram of the structure at B in FIG. 4 according to the present invention;
FIG. 7 is a cross-sectional rear view of the first immersion tank of the present invention;
FIG. 8 is a schematic view of the structure of FIG. 7 at C;
FIG. 9 is a schematic diagram of the structure of FIG. 7 at D in accordance with the present invention;
FIG. 10 is a cross-sectional rear view of the U-shaped frame of the present invention;
FIG. 11 is a cross-sectional rear view of a second immersion tank according to the present invention;
fig. 12 is a schematic view of the structure at E in fig. 11 according to the present invention.
In the figure: 1. a housing; 2. a soaking box; 201. a cleaning chamber; 202. an equipment room; 3. a gap; 4. a partition plate; 5. a U-shaped frame; 6. a closing plate; 7. inserting into a groove; 8. a water collection tank; 9. a flow guide pipe; 10. a communicating pipe; 11. a spray head; 12. a water pump; 13. a filter port; 14. a filter screen; 15. a waist groove; 16. pulling a rod; 17. A first motor; 18. inserting the rod; 19. a connecting rod; 20. a hole of abdication; 21. a screw; 22. a polish rod; 23. A travel bar; 24. a threaded sleeve; 25. mounting grooves; 26. a second motor; 27. a cam; 28. pulling the column; 29. a limiting plate; 30. a first spring; 31. a strip-shaped through hole; 32. pushing the moving strip; 33. a first scrubbing bar; 34. a second scrubbing strip; 35. pushing the moving block; 36. a strip-shaped groove; 37. a turnover plate; 38. a second spring; 39. A third scrubbing bar; 40. a sliding groove; 41. a first drainage tank; 42. a second water discharge tank; 43. a sliding plate; 44. a connecting frame; 45. and a water outlet through groove.
Detailed Description
The following description is provided to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments described below are by way of example only, and other obvious variations will occur to those skilled in the art.
A cleaning process for manufacturing an integrated circuit lead frame as shown in fig. 1 to 12, the cleaning process comprising the steps of:
firstly, putting a lead frame into a cleaning device, carrying out first-time washing on the lead frame through the cleaning device, separating impurities with small surface binding power of the lead frame from the lead frame under the washing of water flow, and soaking the lead frame through a washed cleaning solution to soften the impurities with large surface binding power of the lead frame under the soaking action;
step two, in the soaking process, vibrating the lead frame through cleaning equipment, shaking off impurities which are not firmly adsorbed on the surface of the lead frame, and brushing the side walls of the periphery of the lead frame;
step three, after soaking, discharging the soaked sewage through cleaning equipment, washing the lead frame for the second time, overturning the lead frame through the cleaning equipment, increasing the washing area of the lead frame, enabling two surfaces of the lead frame to be washed in time, and continuously shaking the lead frame in the washing process to shake off impurities on the surface of the lead frame;
Step four, after the washing is finished, taking out the lead frame;
wherein, the cleaning equipment in the first step to the fourth step comprises a shell 1 and an immersion tank 2, the immersion tank 2 is fixed on the inner wall of the shell 1, a gap 3 is arranged between the bottom surface of the immersion tank 2 and the inner bottom surface of the shell 1, a drainage mechanism is arranged on the bottom surface of the immersion tank 2, a spray washing mechanism for spray washing a lead frame in the immersion tank 2 is arranged above the immersion tank 2, a partition plate 4 is fixed in the immersion tank 2, the partition plate 4 divides the interior of the immersion tank 2 into a cleaning chamber 201 and an equipment chamber 202, a plurality of U-shaped frames 5 are rotatably connected on the inner side wall of the cleaning chamber 201, the top ends of the U-shaped frames 5 are hinged with a sealing plate 6, a turn-over mechanism for driving the U-shaped frames 5 to turn over is jointly connected on two sides of the U-shaped frames 5, the turn-over mechanism is used for linking the drainage mechanism to discharge sewage in the cleaning chamber 201 to the interior of the shell 1, an insertion groove 7 is arranged on the inner annular wall of the U-shaped frames 5, a first brushing mechanism is arranged in the inserting groove 7, and when the U-shaped frame 5 swings, the first brushing mechanism brushes the edge of the surface of the lead frame; when the lead frame cleaning machine works, most of the lead frame is cleaned by adopting a spray head or directly scrubbed at present, the spray head is used for cleaning the surface of the lead frame by utilizing high-pressure water flow sprayed by the spray head, but in the cleaning process, impurities firmly adhered to the surface of the lead frame are difficult to clean, the area of the peripheral side walls of the lead frame is small and relatively deviates from the central position of a main body, and the chance of water contact is small, so that the impurities on the peripheral side walls are difficult to clean completely, the production quality of the lead frame in the later period is influenced, if the surface of the lead frame is directly scrubbed, the surface of the lead frame is easy to damage, the technical scheme can solve the problems, and the specific working mode is as follows, firstly, the lead frame is placed in the soaking box 2, the lead frame is inserted in the insertion groove 7 on the U-shaped frame 5, and the lead frame is supported and fixed by the U-shaped frame 5, then, water flow is sprayed into the cleaning chamber 201 through the spraying mechanism to wash the lead frame for the first time, impurities with small bonding force on the surface of the lead frame are separated from the lead frame under the washing of the water flow, at the moment, the drainage mechanism is in a closed state, the water flow gradually overflows the lead frame along with the increase of the water flow, at the moment, the spraying mechanism is closed, the lead frame is soaked through the washed water flow, the impurities with firm bonding on the surface of the lead frame are softened under the soaking effect, when the secondary washing is carried out in the later period, the impurities with firm bonding are separated from the lead frame, the impurities with firm bonding on the surface of the lead frame are cleaned up, after the soaking is finished, the U-shaped frame 5 is driven to swing left and right through the turn-over mechanism, the drainage mechanism is linked to discharge sewage in the cleaning chamber 201 to the inside of the shell 1, and the secondary spraying mechanism is used for spraying and washing on the surface of the lead frame, be favorable to washing the impurity that the lead frame surface is softened, and turn-over about driving the lead frame through turn-over mechanism, can be under the condition of not adjusting shower nozzle 11 positions, through making the lead frame turn-over, be favorable to increaseing the area of washing of lead frame, and realize washing to the lead frame two sides, quantity to shower nozzle 11 has been reduced, be favorable to practicing thrift equipment cost, soak and make the impurity soften the back, through the in-process at the lead frame turn-over, make first scrubbing mechanism scrub the lead frame area less edge all around, prevent the in-process that washes, the lead frame is difficult to all around by clean up's problem emergence.
As a further embodiment of the invention, the spray washing mechanism comprises a water collecting tank 8, one side of the water collecting tank 8 is fixed on the inner wall of the shell 1, the other side of the water collecting tank 8 is fixed on the outer wall of the soaking tank 2, a filtering mechanism for filtering water flow in the shell 1 is arranged between the water collecting tank 8 and the shell 1, the top of the water collecting tank 8 is fixedly communicated with two flow guide pipes 9, the flow guide pipes 9 are symmetrically and fixedly arranged on two sides of the soaking tank 2, a plurality of communicating pipes 10 are fixedly communicated between the two flow guide pipes 9, the bottom of each communicating pipe 10 is fixedly communicated with a spray head 11, a water pump 12 is fixed in the water collecting tank 8, and the water outlet end of the water pump 12 is fixedly communicated with one of the flow guide pipes 9; the during operation, extract the inside cleaning solution of header tank 8 through water pump 12, carry communicating pipe 10 inside with cleaning solution through honeycomb duct 9, and from shower nozzle 11 blowout, wash the lead frame, rivers after washing are arranged to casing 1 inside through drainage mechanism, filter the back to sewage through filtering mechanism, get into header tank 8 inside again, thereby be favorable to carrying out reuse many times to rivers, be favorable to the water economy resource, and guarantee that cyclic utilization's water all passes through filtration treatment, keep the clean of sparge water, thereby be favorable to thoroughly washing the lead frame.
As a further embodiment of the invention, the filtering mechanism comprises a filtering port 13, the filtering port 13 is arranged on the side wall of the collecting box, the filtering port 13 is communicated with the inside of the shell 1, and a filtering net 14 is fixed inside the filtering port 13; during operation makes casing 1 and water catch tank 8 inside intercommunication through setting up filtration mouth 13, and the inside rivers of casing 1 of being convenient for get into inside the water catch tank 8, through setting up filter screen 14, is favorable to filtering the inside rivers of casing 1, is convenient for carry out the reutilization to the water that is used for washing.
As a further embodiment of the invention, the turn-over mechanism comprises a waist groove 15, pulling rods 16 and a first motor 17, the first motor 17 is fixed on the inner wall of the equipment chamber 202, the waist groove 15 is arranged on the side wall of the U-shaped frame 5, the pulling rods 16 are symmetrically arranged on two sides of the U-shaped frame 5, a plurality of inserting rods 18 are rotatably connected on the pulling rods 16, the inserting rods 18 are slidably connected in the corresponding waist grooves 15, one end of each pulling rod 16 slidably penetrates through the partition plate 4 and extends into the equipment chamber 202, one ends of the two pulling rods 16 in the equipment chamber 202 are jointly fixed with a connecting rod 19, two abdicating holes 20 are symmetrically arranged on the connecting rod 19, a screw rod 21 and a polish rod 22 are respectively inserted in the two abdicating holes 20, two ends of the polish rod 22 are both fixed on the inner wall of the equipment chamber 202, one end of the screw rod 21 is rotatably connected on the inner wall of the equipment chamber 202, the other end of the screw rod 21 is fixedly connected with the output shaft of the first motor 17, a moving rod 23 is sleeved on the screw rod 21 and the polish rod 22 in a sliding mode, a threaded sleeve 24 is rotatably connected to the position, close to the screw rod 21, of the moving rod 23, the threaded sleeve 24 is in threaded fit with the screw rod 21, a vibration mechanism is arranged between the moving rod 23 and the connecting rod 19 and used for enabling the connecting rod 19 to swing left and right relative to the moving rod 23, and an elastic connecting mechanism is arranged between the moving rod 23 and the connecting rod 19 and used for elastically pulling the connecting rod 19; during operation, after soaking, by switching on the power supply of the first motor 17, the output shaft of the first motor 17 drives the screw 21 to rotate, the threaded sleeve 24 moves on the screw 21, the movable rod 23 moves through the threaded sleeve 24, one end of the movable rod 23 is supported and limited through the polished rod 22, when the movable rod 23 moves towards one side close to the soaking tank 2, the connecting rod 19 is pulled through the elastic connecting mechanism to move synchronously with the movable rod 23, when the movable rod 23 moves towards one side far away from the soaking tank 2, the connecting rod 19 is pushed through the movable rod 23 to move synchronously with the movable rod 23, so that the connecting rod 19 drives the pulling rod 16 to move leftwards and rightwards, the pulling rod 16 slides upwards and downwards in the waist groove 15 through the inserting rod 18, so as to pull the U-shaped frame 5 to turn over, and turn over the lead frame in the U-shaped frame 5, the lead frame flushing device is beneficial to increasing the flushing area of the lead frame and realizing flushing of two sides of the lead frame, on one hand, the number of the spray heads 11 is reduced, the equipment cost is saved, on the other hand, the lead frame is flushed more comprehensively, and the lead frame is thoroughly flushed.
As a further embodiment of the present invention, the vibration mechanism includes a mounting groove 25, the mounting groove 25 is opened on the side wall of the moving rod 23, a second motor 26 is fixed on the inner wall of the mounting groove 25, the output shaft of the second motor 26 penetrates through the bottom of the mounting groove 25 and extends out to be fixed with a cam 27, and one side of the cam 27 is in contact with the connecting rod 19; in operation, in the process of soaking, carriage release lever 23 is in quiescent condition, rotate through second motor 26 drive cam 27, the farthest end through cam 27 promotes connecting rod 19 and keeps away from carriage release lever 23, and under elastic connection mechanism's effect, make connecting rod 19 reset, thereby make connecting rod 19 take place to remove relative carriage release lever 23, be favorable to driving pull rod 16 through connecting rod 19 and remove, thereby in the process of soaking, make U type frame 5 can take place the upset in purge chamber 201 inside, thereby the first mechanism of rinsing of linkage brushes the lead frame, and at the wobbling in-process of lead frame, be favorable to shaking the not firm impurity of lead frame surface absorption inside purge chamber 201, improved the cleaning ability to the lead frame surface, be favorable to the thorough clearance to the lead frame surface.
As a further embodiment of the present invention, the elastic connection mechanism includes two pulling columns 28, the two pulling columns 28 are symmetrically fixed on the side wall of the moving rod 23, one end of each pulling column 28 slidably penetrates through the connecting rod 19 and extends out, and then is fixed with a limiting plate 29, and a first spring 30 is jointly fixed between the limiting plate 29 and the connecting rod 19; during operation, when the movable rod 23 moves towards one side close to the soaking box 2, the limiting plate 29 is matched with the first spring 30, the connecting rod 19 is pulled to move synchronously along with the movable rod 23, and the elastic connecting mechanism is arranged, so that the connecting rod 19 can move relative to the movable rod 23 under the condition that the movable rod 23 is not moved, the lead frame is convenient to move in the soaking process under the condition that the closed state of the drainage mechanism is not influenced, the U-shaped frame 5 is driven to overturn through the connecting rod 19, and the first washing mechanism is linked to brush the lead frame.
As a further embodiment of the present invention, the first brushing mechanism comprises a strip-shaped through hole 31, a pushing strip 32, a first brushing strip 33, and a water outlet through groove 45, the water outlet through groove 45 is opened on the side wall of the U-shaped frame 5, the strip-shaped through hole 31 is opened on the inner bottom surface of the U-shaped frame 5, the first brushing strip 33 is symmetrically fixed on the inner walls of both sides of the insertion groove 7, the inner bottom surface of the insertion groove 7 is provided with a second brushing strip 34, the second brushing strip 34 is vertically and slidably connected inside the insertion groove 7, the bottom of the second brushing strip 34 is fixed with a pushing block 35, the bottom surface of the pushing block 35 is arc-shaped, after the pushing block 35 penetrates through the strip-shaped through hole 31 and extends out, the pushing strip 32 is fixed on the inner bottom surface of the cleaning chamber 201, the top surface of the pushing strip 32 is arc-shaped, and when the U-shaped frame 5 is in a vertical state, the pushing block 35 is abutted against the arc-shaped surface of the pushing strip 32; in operation, when the U-shaped frame 5 is in a vertical state, the pushing block 35 abuts against the arc surface of the pushing bar 32, at this time, the second washing bar 34 at the top of the pushing block 35 does not contact with the inner bottom surface of the insertion groove 7, when the U-shaped frame 5 is turned from the vertical state to an inclined state, the pushing block 35 is separated from the pushing bar 32, the pushing block 35 is pushed downward under the gravity of the lead frame and the second washing bar 34, so that the second washing bar 34 contacts with the inner bottom surface of the insertion groove 7, when the U-shaped frame 5 is turned from the inclined state to the vertical state, the pushing block 35 collides against the pushing bar 32, under the guiding action of the upper arc surface of the pushing bar 32, the pushing block 35 pushes the second washing bar 34 upward, so that the lead frame moves between the first washing bars 33, and during moving, both sides of the lead frame are washed by the first washing bars 33, scrub the bottom of lead frame through second scrubbing strip 34, scrub through the less edge of lead frame both sides and bottom area, prevent at the in-process that washes, the lead frame is difficult to all around by clean up's problem emergence.
As a further embodiment of the present invention, a second brushing mechanism for brushing the top surface of the lead frame is arranged inside the sealed plate 6, the second brushing mechanism includes a strip-shaped groove 36, the strip-shaped groove 36 is formed on the inner bottom surface of the sealed plate 6, the strip-shaped groove 36 is communicated with the inside of the insertion groove 7, a plurality of turning plates 37 are hinged inside the strip-shaped groove 36, a second spring 38 is fixed between the turning plates 37 and the inner top surface of the strip-shaped groove 36, and a third brushing strip 39 is hinged at the bottom of the turning plates 37; in operation, when the lead frame moves upwards, the third washing bar 39 is pushed to compress the second spring 38 and slide on the top surface of the lead frame, and when the lead frame falls, the third washing bar 39 is pushed by the second spring 38, so that the third washing bar 39 is reset, and the top surface of the lead frame is cleaned conveniently.
As a further embodiment of the present invention, the drainage mechanism includes a plurality of first drainage grooves 41 and a plurality of second drainage grooves 42, the plurality of first drainage grooves 41 are equidistantly arranged on the bottom surface of the cleaning chamber 201, the inner walls of the plurality of first drainage grooves 41 are commonly provided with a sliding groove 40, the sliding groove 40 is internally and slidably connected with a sliding plate 43, one end of the sliding plate 43 is fixed with a connecting frame 44, the connecting frame 44 penetrates through the sliding groove 40 and extends into the equipment chamber 202 to be fixed with the moving rod 23, the plurality of second drainage grooves 42 are equidistantly arranged on the surface of the sliding plate 43, and adjacent second drainage grooves 42 and first drainage grooves 41 are arranged in a staggered manner; the during operation, in the soaking process, first water drainage tank 41 and second water drainage tank 42 are crisscross each other, thereby make purge chamber 201 bottom be in encapsulated situation, soak and accomplish the back, when needs carry out the turn-over to the lead frame, control the removal through removal rod 23 drive link 44, drive sliding plate 43 through link 44 in the inside horizontal slip of sliding tray 40, make first water drainage tank 41 and second water drainage tank 42 communicate each other at the in-process of butt joint, thereby in time arrange the inside rivers of purge chamber 201 inside to casing 1, the later stage of being convenient for is washed the lead frame.
The working principle of the invention is as follows:
firstly, a lead frame is placed in an immersion box 2, the lead frame is inserted into an insertion groove 7 on a U-shaped frame 5, the lead frame is supported and fixed through the U-shaped frame 5, then water flow is sprayed into a cleaning chamber 201 through a spraying mechanism to clean the lead frame for the first time, impurities with small surface bonding force of the lead frame are separated from the lead frame under the washing of the water flow, a drainage mechanism is in a closed state at the moment, the water flow gradually submerges the lead frame along with the increase of the water flow, at the moment, the spraying mechanism is closed, the lead frame is soaked through the washed water flow, the impurities with firm surface bonding of the lead frame are softened under the soaking effect, and when secondary washing is carried out in the later period, the impurities with firm bonding are separated from the lead frame, so that the firm bonding impurities on the surface of the lead frame are cleaned up, after the soaking is finished, the U-shaped frame 5 is driven by the turn-over mechanism to swing left and right, and the sewage in the cleaning chamber 201 is discharged to the inside of the shell 1 by linkage with the drainage mechanism, the secondary spray washing is carried out on the surface of the lead frame through the spray washing mechanism, which is beneficial to washing away the impurities softened on the surface of the lead frame, and the lead frame is driven to turn over left and right through the turn-over mechanism, so that under the condition of not adjusting the position of the spray head 11, the lead frame is turned over, so that the washing area of the lead frame is increased, the two sides of the lead frame are washed, the number of the spray heads 11 is reduced, which is beneficial to saving the equipment cost, after the impurities are softened by soaking, through the in-process at the lead frame turn-over, make first scrubbing mechanism scrub the lead frame edge that the area is less all around, prevent at the in-process that washes, the lead frame is difficult to all around by clean up's problem emergence.
The foregoing shows and describes the general principles, principal features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined by the appended claims and their equivalents.
Claims (9)
1. The integrated circuit lead frame cleaning production process is characterized by comprising the following steps: the cleaning production process comprises the following steps:
firstly, putting a lead frame into a cleaning device, carrying out first-time washing on the lead frame through the cleaning device, separating impurities with small surface binding power of the lead frame from the lead frame under the washing of water flow, and soaking the lead frame through a washed cleaning solution to soften the impurities with large surface binding power of the lead frame under the soaking action;
step two, in the soaking process, vibrating the lead frame through cleaning equipment, shaking off impurities which are not firmly adsorbed on the surface of the lead frame, and brushing the side walls of the periphery of the lead frame;
Step three, after soaking, discharging the soaked sewage through cleaning equipment, washing the lead frame for the second time, overturning the lead frame through the cleaning equipment, increasing the washing area of the lead frame, enabling two surfaces of the lead frame to be washed in time, and continuously shaking the lead frame in the washing process to shake off impurities on the surface of the lead frame;
step four, after the washing is finished, taking out the lead frame;
wherein, step one to step four cleaning equipment includes casing (1) and soak case (2), soak case (2) is fixed on casing (1) inner wall, be provided with clearance (3) between the bottom surface of soaking case (2) and the interior bottom surface of casing (1), and be provided with drainage mechanism on the bottom surface of soaking case (2), soak case (2) top and be provided with the spray rinsing mechanism that is used for carrying out the spray rinsing to the inside lead frame of soak case (2), soak case (2) inside and be fixed with baffle (4), baffle (4) will soak case (2) inside partition for rinsing chamber (201) and equipment room (202), it is connected with a plurality of U type frame (5) to rotate on rinsing chamber (201) inside wall, the top of U type frame (5) articulates there is closed plate (6), a plurality of airtight frame (5) both sides are connected with the turn-over mechanism that is used for driving U type frame (5) upset jointly, the turnover mechanism is used for being linked with the drainage mechanism to drain sewage in the cleaning chamber (201) into the shell (1), an inserting groove (7) is formed in the inner ring wall of the U-shaped frame (5), a first brushing mechanism is arranged in the inserting groove (7), and when the U-shaped frame (5) swings, the first brushing mechanism brushes the edge of the surface of the lead frame.
2. The integrated circuit lead frame cleaning production process according to claim 1, characterized in that: the spray rinsing mechanism comprises a water collecting tank (8), one side of the water collecting tank (8) is fixed on the inner wall of the shell (1), the other side of the water collecting tank (8) is fixed on the outer wall of the soaking tank (2), a filtering mechanism used for filtering water flow inside the shell (1) is arranged between the water collecting tank (8) and the shell (1), the top of the water collecting tank (8) is fixedly communicated with two guide pipes (9), the guide pipes (9) are symmetrically and fixedly arranged on two sides of the soaking tank (2) and are fixedly communicated with one another through a plurality of communicating pipes (10) between the guide pipes (9), the bottom of each communicating pipe (10) is fixedly communicated with a spray head (11), the inside of the water collecting tank (8) is fixedly provided with a water pump (12), and the water outlet end of the water pump (12) is fixedly communicated with one of the guide pipes (9).
3. The integrated circuit lead frame cleaning production process according to claim 2, characterized in that: the filtering mechanism comprises a filtering opening (13), the filtering opening (13) is formed in the side wall of the collecting box, the filtering opening (13) is communicated with the inside of the shell (1), and a filtering net (14) is fixed inside the filtering opening (13).
4. The integrated circuit lead frame cleaning production process according to claim 1, characterized in that: the turn-over mechanism comprises a waist groove (15), pulling rods (16) and a first motor (17), wherein the first motor (17) is fixed on the inner wall of an equipment chamber (202), the waist groove (15) is formed in the side wall of a U-shaped frame (5), the pulling rods (16) are symmetrically arranged on two sides of the U-shaped frame (5), the pulling rods (16) are rotatably connected with a plurality of inserting rods (18), the inserting rods (18) are slidably connected inside the corresponding waist grooves (15), one end of each pulling rod (16) slidably penetrates through a partition plate (4) and extends into the equipment chamber (202), two connecting rods (19) are fixed to one end, located inside the equipment chamber (202), of each pulling rod (16), two yielding holes (20) are symmetrically formed in each connecting rod (19), and a screw rod (21) and a polish rod (22) are respectively inserted into each yielding hole (20), both ends of the polish rod (22) are fixed on the inner wall of the equipment chamber (202), one end of the screw rod (21) is rotationally connected on the inner wall of the equipment chamber (202), the other end of the screw rod (21) is fixedly connected with an output shaft of a first motor (17), a moving rod (23) is sleeved on the screw rod (21) and the polish rod (22) in a sliding way, the position of the moving rod (23) close to the screw rod (21) is rotationally connected with a threaded sleeve (24), the threaded sleeve (24) is in threaded fit with the screw (21), a vibration mechanism is arranged between the moving rod (23) and the connecting rod (19), the vibration mechanism is used for enabling the connecting rod (19) to swing left and right relative to the moving rod (23), an elastic connecting mechanism is arranged between the moving rod (23) and the connecting rod (19), and the elastic connecting mechanism is used for elastically pulling the connecting rod (19).
5. The integrated circuit lead frame cleaning production process according to claim 4, characterized in that: vibrations mechanism includes mounting groove (25), the lateral wall at carriage release lever (23) is seted up in mounting groove (25), be fixed with second motor (26) on the inner wall of mounting groove (25), the output shaft of second motor (26) runs through the bottom of mounting groove (25) and extends away the after-fixing and has cam (27), one side and connecting rod (19) of cam (27) contact.
6. The integrated circuit lead frame cleaning production process according to claim 4, characterized in that: elastic connection mechanism includes two pulling posts (28), two pulling post (28) symmetry is fixed on the lateral wall of carriage release lever (23), the one end of pulling post (28) slides and runs through connecting rod (19) and extends out the after-fixing and has a limiting plate (29), be fixed with first spring (30) between limiting plate (29) and connecting rod (19) jointly.
7. The integrated circuit lead frame cleaning production process according to claim 6, characterized in that: the first scrubbing mechanism comprises a strip-shaped through hole (31), a jacking strip (32), a first scrubbing strip (33) and a water outlet through groove (45), the water outlet through groove (45) is formed in the side wall of the U-shaped frame (5), the strip-shaped through hole (31) is formed in the inner bottom surface of the U-shaped frame (5), the first scrubbing strip (33) is symmetrically fixed on the inner walls of the two sides of the inserting groove (7), a second scrubbing strip (34) is arranged on the inner bottom surface of the inserting groove (7), the second scrubbing strip (34) is vertically and slidably connected inside the inserting groove (7), a jacking block (35) is fixed at the bottom of the second scrubbing strip (34), the bottom surface of the jacking block (35) is arc-shaped, the jacking block (35) penetrates through the strip-shaped through hole (31) and extends out, the jacking strip (32) is fixed on the inner bottom surface of the cleaning chamber (201), and the top surface of the jacking strip (32) is arc-shaped, and when the U-shaped frame (5) is in a vertical state, the pushing block (35) is abutted against the arc surface of the pushing strip (32).
8. The integrated circuit lead frame cleaning production process according to claim 7, characterized in that: the inside of closing plate (6) is provided with the second that is used for scrubbing the lead frame top surface and scrubs the mechanism, the second scrubs the mechanism and includes strip groove (36), strip groove (36) are seted up on the interior bottom surface of closing plate (6), strip groove (36) with insert the inside intercommunication of establishing groove (7), the inside of strip groove (36) articulates there are a plurality of returning face plates (37), be fixed with second spring (38) between the interior top surface in returning face plate (37) and strip groove (36) jointly, the bottom of returning face plate (37) articulates there is the third to scrub strip (39).
9. The integrated circuit lead frame cleaning production process according to claim 4, characterized in that: drainage mechanism includes a plurality of first water drainage tank (41), a plurality of second water drainage tank (42), and is a plurality of first water drainage tank (41) equidistance is seted up on the bottom surface of purge chamber (201), and is a plurality of sliding tray (40) have been seted up jointly on first water drainage tank (41) inner wall, sliding tray (40) inside sliding connection has sliding plate (43), the one end of sliding plate (43) is fixed with link (44), link (44) run through sliding tray (40) and extend and get into equipment room (202) inside back and fixed mutually with carriage release lever (23), and the surface at sliding plate (43) is seted up to a plurality of second water drainage tank (42) equidistance, and is adjacent dislocation set between second water drainage tank (42) and first water drainage tank (41).
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| CN115569892B (en) * | 2022-09-05 | 2023-05-23 | 天水华洋电子科技股份有限公司 | Lead frame surface color difference processing device and processing method thereof |
| CN115672834B (en) * | 2022-09-13 | 2023-05-02 | 天水华洋电子科技股份有限公司 | Lead frame surface oxidation point processing device and processing method thereof |
| CN116274093B (en) * | 2023-04-14 | 2023-10-31 | 广州丰江微电子有限公司 | Lead frame surface cleaning equipment and cleaning method thereof |
| CN116525497B (en) * | 2023-05-15 | 2023-09-29 | 天水华洋电子科技股份有限公司 | Lead frame roll-type etching process |
| CN117936434B (en) * | 2024-03-22 | 2024-05-31 | 芯朋半导体科技(如东)有限公司 | Semiconductor cleaning equipment capable of being flushed bidirectionally |
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| CN109013448A (en) * | 2018-07-25 | 2018-12-18 | 刘赛赛 | A kind of circle earphone enclosure surface wipes equipment |
| CN110153089A (en) * | 2019-04-25 | 2019-08-23 | 黄飞云 | A kind of medical equipment high-efficiency washing device |
| CN210045650U (en) * | 2019-04-25 | 2020-02-11 | 天水华洋电子科技股份有限公司 | Lead frame removes excessive gluey equipment |
| CN110529717A (en) * | 2019-09-12 | 2019-12-03 | 遵化市阔旺木业有限公司 | A kind of photographic device based on the Security Monitoring Alarm System |
| CN211218405U (en) * | 2019-12-06 | 2020-08-11 | 泰兴市永志电子器件有限公司 | Stamping and collecting device of lead frame |
| CN211623213U (en) * | 2020-01-17 | 2020-10-02 | 郑州嘉禾自动门有限公司 | Prevent wind dustproof subassembly and contain its door body |
| CN111530818A (en) * | 2020-04-14 | 2020-08-14 | 安徽东方钙业有限公司 | Ore cleaning system |
| CN213495243U (en) * | 2020-10-22 | 2021-06-22 | 华天科技（西安）有限公司 | Processingequipment of PPF and LF frame |
| CN112435918A (en) * | 2020-12-10 | 2021-03-02 | 江西舜源电子科技有限公司 | Semiconductor material's belt cleaning device |
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