CN115569892B - Lead frame surface color difference processing device and processing method thereof - Google Patents
Lead frame surface color difference processing device and processing method thereof Download PDFInfo
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- CN115569892B CN115569892B CN202211076713.7A CN202211076713A CN115569892B CN 115569892 B CN115569892 B CN 115569892B CN 202211076713 A CN202211076713 A CN 202211076713A CN 115569892 B CN115569892 B CN 115569892B
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- 230000007246 mechanism Effects 0.000 claims abstract description 114
- 239000007788 liquid Substances 0.000 claims abstract description 108
- 238000000034 method Methods 0.000 claims abstract description 52
- 238000005507 spraying Methods 0.000 claims abstract description 42
- 238000003860 storage Methods 0.000 claims description 46
- 230000008569 process Effects 0.000 claims description 41
- 238000007789 sealing Methods 0.000 claims description 40
- 230000005540 biological transmission Effects 0.000 claims description 24
- 239000007921 spray Substances 0.000 claims description 23
- 238000006073 displacement reaction Methods 0.000 claims description 15
- 238000005192 partition Methods 0.000 claims description 10
- 238000004140 cleaning Methods 0.000 claims description 9
- 238000011010 flushing procedure Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 17
- 238000004381 surface treatment Methods 0.000 abstract description 9
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- 229910052802 copper Inorganic materials 0.000 description 5
- 239000010949 copper Substances 0.000 description 5
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- 230000003749 cleanliness Effects 0.000 description 2
- 238000009713 electroplating Methods 0.000 description 2
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- 239000002932 luster Substances 0.000 description 2
- 238000007788 roughening Methods 0.000 description 2
- 230000003746 surface roughness Effects 0.000 description 2
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- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- RSMUVYRMZCOLBH-UHFFFAOYSA-N metsulfuron methyl Chemical compound COC(=O)C1=CC=CC=C1S(=O)(=O)NC(=O)NC1=NC(C)=NC(OC)=N1 RSMUVYRMZCOLBH-UHFFFAOYSA-N 0.000 description 1
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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
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
- B05B13/0221—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work characterised by the means for moving or conveying the objects or other work, e.g. conveyor belts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B16/00—Spray booths
- B05B16/20—Arrangements for spraying in combination with other operations, e.g. drying; Arrangements enabling a combination of spraying operations
-
- 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
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/48—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor
- H01L23/488—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor consisting of soldered or bonded constructions
- H01L23/495—Lead-frames or other flat leads
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Cleaning By Liquid Or Steam (AREA)
Abstract
The invention relates to the technical field of lead frame surface treatment, in particular to a lead frame surface color difference treatment device and a treatment method thereof, wherein the device comprises a rectangular shell, dividing plates are symmetrically and fixedly connected to the inner bottom surface of the rectangular shell, water inlet pipes are fixedly communicated to the side walls of the rectangular shell, water outlet pipes are fixedly communicated to the side walls of the rectangular shell on the opposite sides of the two dividing plates, and the device is characterized in that a spraying mechanism is arranged on the side wall of the rectangular shell and is used for spraying organic treatment liquid to the surface of a lead frame to be treated; the organic treatment liquid can be sprayed on the surface of the lead frame through the spraying mechanism, the sprayed organic treatment liquid can slightly corrode the surface of the lead frame, so that the surface color of the lead frame becomes bright, the organic treatment liquid on the surface of the lead frame is brushed by means of bristles, the organic treatment liquid is prevented from being attached to the surface of the lead frame for a long time, and the effect of the organic treatment liquid on the surface color difference treatment of the lead frame is affected.
Description
Technical Field
The invention relates to the field of lead frame surface treatment, in particular to a lead frame surface color difference treatment device and a treatment method thereof.
Background
The lead frame is the base material of the semiconductor package, is the carrier of the integrated circuit chip, and the main material for producing the lead frame is copper alloy, and the lead frame is mainly etched to realize the production of the lead frame with high density and multiple pins.
The prior art discloses some with regard to lead frame surface treatment's patent document, application number 202111476037.8's chinese patent discloses a patent for integrated circuit lead frame surface treatment device, which comprises a housin, the casing bilateral symmetry is provided with the spray rinsing mechanism that is used for carrying out the spray rinsing to the lead frame surface, be provided with the conveying mechanism who is used for the centre gripping lead frame to remove in the casing inside on the inner wall of casing, be fixed with the guide board on the casing inner wall, the top surface of guide board is the slope form, the intercommunication groove has been seted up to the position that the casing is located the guide board minimum, be fixed with the draining box on the casing outer wall, the draining box is linked together through intercommunication groove and casing inside, the position that the guide board top surface is close to the draining box has seted up the filter mouth, the filter mouth inside is fixed with first filter screen.
The existing mature lead frame surface treatment process mainly comprises three steps of microetching, brown copper oxidation and electroplating roughening, wherein the microetching process is earliest, the solution formula is simple, the cost is low, the traditional surface treatment method is relatively poor, but the surface roughness of the lead frame made of copper cannot be stably controlled, the treatment process is unstable, the surface of a treated material is easy to thicken and lose the original metallic luster, so that the surface of the lead frame is subjected to chromatic aberration, the surface of the lead frame is required to be sprayed by means of organic treatment liquid, the copper surface of the lead frame is slightly corroded, the surface of the lead frame is further brightened, the chromatic aberration of the surface of the lead frame is reduced, and the surface of the lead frame is difficult to clean by means of a plurality of notches, so that the corrosion of the organic treatment liquid to the surface of the lead frame is prolonged, and the treatment effect of the organic treatment liquid on the surface chromatic aberration of the lead frame is influenced.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a lead frame surface color difference processing device and a processing method thereof.
In order to achieve the above purpose, the invention adopts the following technical scheme: the lead frame surface color difference treatment device comprises a rectangular shell, wherein partition plates are symmetrically and fixedly connected to the inner bottom surface of the rectangular shell, water inlet pipes are fixedly communicated to the side walls of the rectangular shell, water outlet pipes are fixedly communicated to the side walls of the rectangular shell on the opposite sides of the two partition plates, a spraying mechanism is arranged on the side walls of the rectangular shell and used for spraying organic treatment liquid to the surface of a lead frame to be treated;
the bottom surface of the inside of the rectangular shell is connected with a sliding block in a sliding manner, the sliding block is positioned between the two dividing plates, the top of the sliding block is symmetrically and fixedly connected with a mounting plate, the surface of the mounting plate is provided with a U-shaped opening, and the opposite sides of the two mounting plates are fixedly connected with bristles;
the tops of the two partition plates are rotatably provided with rotary drums through a displacement pulling mechanism, the displacement pulling mechanism is used for driving the rotary drums to move through the inside of the rectangular shell and driving the two mounting plates to move, a clamping mechanism is arranged between the rotary drums and the spraying mechanism, and the clamping mechanism is used for clamping the lead frames to move;
And a rotating mechanism is arranged between the rotating cylinder and the inner wall of the rectangular shell, and the rotating cylinder is driven to rotate by the rotating mechanism in the process of moving along the inner part of the rectangular shell.
Preferably, the spraying mechanism comprises a collecting shell, the collecting shell is fixedly connected to the side wall of the rectangular shell, two supporting boxes are symmetrically and fixedly connected to two sides of the collecting shell, a plurality of first spray heads which are mutually communicated with the inside of the supporting boxes are fixedly connected to two opposite sides of the supporting boxes, a liquid suction pump is fixedly connected to the side wall of the supporting boxes, the end part of a liquid inlet pipe of the liquid suction pump is fixedly communicated with the collecting shell, and the end part of a liquid outlet pipe of the liquid suction pump is fixedly communicated with the supporting boxes.
Preferably, the fixture comprises a first electric cylinder, two second clamping frames and a balancing weight, wherein the first electric cylinder is fixedly installed between two side walls of opposite sides of the supporting box through a transverse plate, a piston rod end part of the first electric cylinder is fixedly connected with the first clamping frame, a second electric cylinder is symmetrically and fixedly connected to the side wall of the first clamping frame, the two piston rod end parts of the second electric cylinders penetrate through the first clamping frame and are outwards extended and then are fixedly connected with a first clamping plate, the two second clamping frames are symmetrically and fixedly connected to the side wall of the rotary cylinder, a third electric cylinder is symmetrically and fixedly connected to the side wall of the second clamping frame, a piston rod end part of the third electric cylinder penetrates through the second clamping frame and is outwards extended and then is fixedly connected with the second clamping plate, and the balancing weight is fixedly embedded on the surface of the rotary cylinder.
Preferably, the displacement pulling mechanism comprises two T-shaped plates, the two T-shaped plates are respectively and fixedly connected to the tops of the division plates, guide rails are arranged on the side walls of the T-shaped plates, the guide rails are jointly formed by first L-shaped grooves, horizontal grooves and second L-shaped grooves which are mutually communicated in sequence, rectangular blocks are inserted in the first L-shaped grooves, two rectangular blocks are fixedly connected with second cylinders in common, connecting frames are symmetrically and fixedly connected to the surfaces of the second cylinders, two connecting frames are respectively and rotatably connected to the opposite sides of the connecting frames at the two ends of the rotating cylinder, sliding plates are horizontally and slidably connected to the side walls of the T-shaped plates, first V-shaped openings are formed in the side walls of the sliding plates, driving mechanisms are jointly arranged between the tops of the sliding plates and the tops of the T-shaped plates, and used for driving the sliding plates to move along the side walls of the T-shaped plates, and the two horizontal sliding frames are synchronously connected to the two mounting plates along the two horizontal sliding frames, and the two mounting plates are synchronously arranged in the two side walls of the T-shaped plates.
Preferably, the driving mechanism comprises a first connecting plate and a second connecting plate, two ends of the first connecting plate are fixedly connected with top edges of the two T-shaped plates respectively, a motor is fixedly connected to the side wall of the first connecting plate, the end part of an output shaft of the motor penetrates through the first connecting plate and extends to the outside of the first connecting plate to be fixedly connected with a threaded rod, two ends of the second connecting plate are fixedly connected with the top edges of the two sliding plates respectively, and the surface of the second connecting plate is in threaded connection with the threaded rod through a threaded through hole.
Preferably, the linkage mechanism comprises a rectangular frame and a pulling rod, the rectangular frame is fixedly connected to the side wall of the mounting plate, the pulling rod is fixedly connected to the surface of the connecting frame, and in the process of downward movement of the connecting frame, the end part of the pulling rod is driven to be inserted into the frame groove of the rectangular frame.
Preferably, the rotating mechanism comprises two racks and two gears, the two racks are symmetrically and fixedly connected to the inner wall of the rectangular shell, the two racks are located between the two dividing plates, the two gears are symmetrically and fixedly sleeved on the surface of the rotating cylinder, and the gears are matched with the racks.
Preferably, the surface of rotary drum is equipped with initiative water spray mechanism, initiative water spray mechanism is used for carrying out initiative spraying auxiliary flushing to getting into two lead frame surface between the brush hair, initiative water spray mechanism includes two and inserts and establishes mouthful, two to the third connecting plate, second transmission shell, two insert and establish mouthful respectively and set up two the bottom of link, and two the link all with rotary drum is inside to communicate each other, two to the third connecting plate respectively symmetrical fixed connection is in two on the lateral wall of mounting panel looks back side, every to all common fixedly connected with water storage shell between the tip of third connecting plate, the water inlet has been seted up to the symmetry on the lateral wall of water storage shell, the top fixed connection of water storage shell has first transmission shell, works as the rotary drum removes to behind the rectangle shell inside, the upper end seal of first transmission shell insert to the inside of establishing mouthful, seal sliding connection has the sealing frame on the inner wall of water storage shell, two sealing frame's inner wall and the inside of rectangle shell are equipped with guide shell between the tip and the second inclined plane is equipped with the second along with the mutual fixedly connected with water storage shell, the second is equipped with the guide mechanism on the side of the second inclined plane is in the same direction as moving along with the transmission shell.
Preferably, the guide mechanism comprises a support frame and an L-shaped pin, the support frame is fixedly connected to the inner bottom surface of the rectangular shell, two second V-shaped openings which are mutually communicated are formed in the top of the support frame, the L-shaped pin is fixedly connected to the side wall of the sealing frame, and the end part of the L-shaped pin is slidably inserted into the second V-shaped openings.
The method for treating the surface chromatic aberration of the lead frame specifically comprises the following steps:
step one, conveying water into the rectangular shell: the external water supply mechanism is communicated with the water inlet pipe, external water flow is conveyed into the rectangular shell through the water inlet pipe, and along with the increase of the water flow in the rectangular shell, the redundant water overflows to two sides along the top of the partition plate, so that the water is discharged by the water outlet pipe, and the fluidity of the water flow in the rectangular shell is maintained;
step two, spraying organic treatment liquid on the surface of the lead frame: uniformly spraying organic treatment liquid to the surface of the moving lead frame through a spraying mechanism, and clamping and limiting the sprayed lead frame on the surface of the rotary cylinder by a clamping mechanism;
step three, cleaning organic treatment liquid on the surface of the lead frame: the displacement pulling mechanism drives the lead frame clamped on the surface of the rotary cylinder to move towards the inside of the rectangular shell, and the lead frame is driven to rotate by the rotary mechanism in the process of moving along the inside of the rectangular shell, so that the brush hair can conveniently wash away the organic treatment liquid on the surface of the lead frame in the water flow in the inside of the rectangular shell.
Compared with the prior art, the invention has the following beneficial effects:
1. the lead frame is conveyed to the clamping mechanism by means of the external conveying mechanism and clamped, when the lead frame passes through the spraying mechanism, the spraying mechanism sprays organic treatment liquid on the surface of the lead frame, the sprayed organic treatment liquid slightly corrodes the surface of the lead frame, so that the surface color of the lead frame becomes bright, the color difference of the surface of the lead frame is reduced, the sprayed lead frame is clamped on the surface of the rotary drum by means of the clamping mechanism along with the continuous movement of the lead frame, the organic treatment liquid is adhered on the surface of the lead frame for a long time to cause excessive corrosion on the surface of the lead frame, thereby affecting the effect of the organic treatment liquid on the surface of the lead frame, the rotary drum clamped with the lead frame is driven to move between two bristles in the process of moving the rotary drum by the displacement pulling mechanism, the bristles are brushed in the water flow inside the rectangular shell, then the bristles move rightwards along the rectangular shell under the action of the rotary drum, the rotary drum is driven by the rotary mechanism to rotate, the lead frame is further driven to rotate, the bristles are conveniently inserted into the notch of the lead frame, the notch is cleaned by the water flowing on the inner wall of the surface of the lead frame, the notch is cleaned by the brush, the inner wall of the brush is cleaned by the brush liquid on the inner wall of the surface of the rectangular shell, the surface of the lead frame is cleaned by the brush liquid, and the inner wall of the notch is cleaned by the brush liquid on the inner wall of the surface of the rectangular shell, the method can avoid the organic treatment liquid from being adhered to the surface of the lead frame for a long time, prolong the corrosion of the organic treatment liquid to the surface of the lead frame and cause excessive corrosion of the surface of the lead frame, thereby affecting the effect of the organic treatment liquid on the surface color difference treatment of the lead frame.
2. Along with the one end of first V type mouth to the pulling of second cylinder, can drive the rectangle piece and remove along the transverse tank inner wall of first L type groove, when the rectangle piece removes to the turn department of first L type groove, along with the promotion of the inner wall of first V type mouth to second cylinder, the vertical groove of first L type groove moves down with the help of second cylinder pulling rectangle piece along, thereby remove the rotary drum that the centre gripping had lead frame to U type mouth inside, along with continuing under the pulling of first V type mouth, drive the rectangle piece along the horizontal tank inner wall and remove, realize the removal of rotary drum in the inside of rectangle shell, make things convenient for the water that flows of rectangle shell to take away the organic treatment liquid on lead frame surface, when the opposite side inner wall behind first V type mouth promotes the surface of second cylinder, drive the rectangle piece and move out its transverse tank's inside along the vertical groove of second L type groove, thereby move out from the rectangle shell inside with the lead frame after wasing, and then make things convenient for the staff to take out, then drive the slide plate along the lateral wall of T under the effect of actuating mechanism, the manual work intensity that resets is convenient for the manual work of the whole, the manual work of the cleaning process is relieved.
3. Along with the process that the rotary drum moves towards the inside of the rectangular shell, the rotary drum is communicated with the connecting frame in rotary connection, the upper end of the first transmission shell communicated with the top of the water storage shell is inserted into the inserting opening at the bottom of the connecting frame in a sealing way, so that the water storage shell is sequentially communicated with the first transmission shell, the connecting frame and the rotary drum, the water inlet is arranged, water flow in the rectangular shell conveniently enters the inside of the water storage shell, the mounting plate moves rightwards along the inside of the rectangular shell, the sealing frames at the two sides are driven to move through the two guide mechanisms, the sealing frames are driven to move along the same direction, when the water storage shell moves along the mounting plate, the two sealing frames move along the inner walls of the two water storage shells respectively in the same direction, the sealing frame at one side pushes water flow along the inner wall of the water storage shell, and the sealing frame moves in the process, the water inlet is plugged by the side wall of the sealing frame, so that along with the continuous movement of the sealing frame, water flow in the water storage shell can be pushed by the sealing frame to enter the rotary drum through the first transmission shell, and is actively sprayed to the surface of the lead frame through the second spray nozzle, the water flow on the surface of the brush hair is driven by the sprayed water flow, the water flow is enhanced when the lead frame rotates and washes along the surface of the brush hair, the brush hair is helped to brush down organic treatment liquid on the surface of the lead frame, the sealing frame on the other side can move to cancel the plugging of the similar water inlet, water in the rectangular shell conveniently enters the water storage shell through the water inlet, two sealing frames moving in the same direction are arranged, water in one water storage shell can be synchronously stored in the other water storage shell in the process of pushing the water in the rotary drum, and therefore, in the process of moving the mounting plate, the inside water of guaranteeing rectangle shell can in time be continuous to the inside flow of rotatory section of thick bamboo, guarantees that the second shower nozzle has the water to spray all the time, strengthens the mobility of rivers, avoids organic treatment liquid long-time to be stained with and attaches at lead frame's surface, prolongs the corruption of organic treatment liquid to lead frame surface, causes lead frame surface's excessive corruption to influence organic treatment liquid to lead frame surface colour difference treatment's effect.
Drawings
FIG. 1 is a flow chart of the method steps of the present invention;
FIG. 2 is a schematic diagram of the overall structure of the present invention;
FIG. 3 is a schematic view of the connection between a support box and a pump (with one support box being sectioned);
FIG. 4 is an enlarged schematic view of the structure of FIG. 3A according to the present invention;
FIG. 5 is a partial cross-sectional view of the present invention (with a view taken in section, with one of the connectors hidden);
FIG. 6 is a schematic view of the structure of the guide rail of the present invention (the dividing plate and T-shaped plate on one side are hidden);
FIG. 7 is a schematic view of the connection of the slider and mounting plate of the present invention (the rectangular housing is cut away);
FIG. 8 is a schematic view of the structure of the seal frame and L-shaped pin connection of the present invention (with one of the water storage shells being sectioned);
FIG. 9 is a schematic view of the connection of the connecting frame and the pulling rod of the present invention.
In the figure: 1. a rectangular shell; 2. a dividing plate; 3. a water inlet pipe; 4. a water outlet pipe; 5. a rotary drum; 6. a slide block; 7. a mounting plate; 8. a U-shaped opening; 9. brushing; 10. collecting the shell; 11. a supporting box; 12. a first nozzle; 13. a liquid pump; 14. a first electric cylinder; 15. a first clamping frame; 16. a second electric cylinder; 17. a first clamping plate; 18. a second clamping frame; 19. a third electric cylinder; 20. a second clamping plate; 21. balancing weight; 22. t-shaped plates; 23. a first connection plate; 24. a guide rail; 2401. a first L-shaped groove; 2402. a horizontal slot; 2403. a second L-shaped groove; 25. rectangular blocks; 26. a second cylinder; 27. a connecting frame; 28. a sliding plate; 29. a first V-shaped port; 30. a second connecting plate; 31. a motor; 32. a threaded rod; 33. a rectangular frame; 34. pulling the rod; 35. a rack; 36. a gear; 37. an inserting port; 38. a third connecting plate; 39. a water storage shell; 40. a water inlet; 41. a first transmission case; 42. a sealing frame; 43. a second transmission case; 44. an inclined surface; 45. a second nozzle; 46. a support frame; 47. a second V-shaped port; 48. l-shaped pins.
Detailed Description
The following description is presented to enable one of ordinary skill in the art to make and use the invention. The preferred embodiments in the following description are by way of example only and other obvious variations will occur to those skilled in the art.
The device for treating the surface chromatic aberration of the lead frame as shown in fig. 2 to 9 comprises a rectangular shell 1, wherein partition plates 2 are symmetrically and fixedly connected to the inner bottom surface of the rectangular shell 1, a water inlet pipe 3 is fixedly communicated to the side wall of the rectangular shell 1, water outlet pipes 4 are fixedly communicated to the side walls of the rectangular shell 1 on the opposite sides of the two partition plates 2, and a spraying mechanism is arranged on the side wall of the rectangular shell 1 and used for spraying organic treatment liquid to the surface of the lead frame to be treated;
the bottom surface inside the rectangular shell 1 is connected with a sliding block 6 in a sliding manner, the sliding block 6 is positioned between the two partition plates 2, the top of the sliding block 6 is symmetrically and fixedly connected with a mounting plate 7, the surface of the mounting plate 7 is provided with a U-shaped opening 8, and the opposite sides of the two mounting plates 7 are fixedly connected with bristles 9;
the tops of the two dividing plates 2 are rotatably provided with a rotary drum 5 through a displacement pulling mechanism, the displacement pulling mechanism is used for driving the rotary drum 5 to move through the inside of the rectangular shell 1 and driving the two mounting plates 7 to move, a clamping mechanism is arranged between the rotary drum 5 and the spraying mechanism, and the clamping mechanism is used for clamping the lead frame to move;
A rotating mechanism is arranged between the rotating cylinder 5 and the inner wall of the rectangular shell 1, and the rotating cylinder 5 is driven by the linkage rotating mechanism to rotate in the process of moving the rotating cylinder 5 along the inner part of the rectangular shell 1; when in work, the prior mature lead frame surface treatment process mainly comprises three steps of microetching, brown oxidation of copper surface and electroplating roughening, wherein the microetching process is earliest, the solution formula is simple, the cost is low, the traditional surface treatment method is relatively poor, but the surface roughness of the lead frame made of copper can not be stably controlled, the treatment process is unstable, the surface of the treated material is easy to thicken and lose the original metallic luster, the surface of the lead frame is caused to have the chromatic aberration problem, therefore, the surface of the lead frame needs to be sprayed and treated by organic treatment liquid, the surface of the lead frame is slightly corroded, the surface color of the lead frame is further brightened, the surface chromatic aberration degree of the lead frame is reduced, the surface of the lead frame is provided with a plurality of notches, the organic treatment liquid adhered to the notches is difficult to be cleaned through a simple overflow water washing process, the technical scheme can solve the problems by prolonging the corrosion of the organic treatment liquid to the surface of the lead frame and affecting the treatment effect of the organic treatment liquid on the color difference of the surface of the lead frame, and the technical scheme comprises the following specific embodiments that an external water supply mechanism is communicated with a water inlet pipe 3, external water is conveyed to the inside of a rectangular shell 1 by means of the water inlet pipe 3, along with the gradual increase of the water flow in the rectangular shell 1, excessive water overflows from the top of a division plate 2 to two sides, so that the excessive water is discharged through a water outlet pipe 4, the flowing water helps to carry away the organic treatment liquid which is brushed down to the inside of the rectangular shell 1 in later period, thereby maintaining the cleanliness of the water flow in the rectangular shell 1, the lead frame is conveyed to a clamping mechanism by means of an external conveying mechanism and is clamped, and when the lead frame passes through a spraying mechanism, the spraying mechanism sprays organic treatment liquid on the surface of the lead frame, the sprayed organic treatment liquid slightly corrodes the surface of the lead frame, so that the surface color of the lead frame becomes bright, the color difference degree of the surface of the lead frame is reduced, along with the continuous movement of the lead frame, the sprayed lead frame is clamped on the surface of the rotary cylinder 5 by the clamping mechanism, the organic treatment liquid is adhered on the surface of the lead frame for a long time, the excessive corrosion of the surface of the lead frame is caused, the effect of the organic treatment liquid on the color difference treatment of the surface of the lead frame is affected, the rotary cylinder 5 clamped with the lead frame is driven to move between two bristles 9 in the process of pulling the rotary cylinder 5 by the displacement pulling mechanism, the bristles 9 brush the organic treatment liquid on the surface of the lead frame in water flow in the rectangular shell 1 in the process of moving the lead frame downwards to the bristles 9, then the lead frame moves rightwards along the inside of the rectangular shell 1 under the action of the rotary drum 5, and meanwhile, the linkage rotary mechanism drives the rotary drum 5 to rotate so as to drive the lead frame to rotate, so that bristles 9 are conveniently inserted into notches on the surface of the lead frame, the cleaning effect of the bristles 9 on the surface of the lead frame and organic treatment liquid adhered on the notches is improved, in the process of rotating the lead frame, the bristles 9 are used for brushing the surface of the lead frame and the inner wall of the notches, the organic treatment liquid adhered on the surface of the lead frame and the inner wall of the notches falls into the rectangular shell 1 and is taken away by water flowing in the rectangular shell 1, the organic treatment liquid on the surface of the lead frame and the inner wall of the notches is cleaned, the overlong adhesion of the organic treatment liquid on the surface of the lead frame is avoided, the corrosion of the organic treatment liquid on the surface of the lead frame is prolonged, causing excessive corrosion of the surface of the lead frame and affecting the effect of the organic treatment liquid on the color difference treatment of the surface of the lead frame.
As one embodiment of the invention, the spraying mechanism comprises a collecting shell 10, wherein the collecting shell 10 is fixedly connected to the side wall of a rectangular shell 1, two sides of the collecting shell 10 are symmetrically and fixedly connected with supporting boxes 11, a plurality of first spray heads 12 which are mutually communicated with the inside of the supporting boxes 11 are fixedly connected to opposite sides of the two supporting boxes 11, liquid suction pumps 13 are fixedly connected to the side walls of the two supporting boxes 11, the end parts of liquid inlet pipes of the liquid suction pumps 13 are fixedly communicated with the collecting shell 10, and the end parts of liquid outlet pipes of the liquid suction pumps 13 are fixedly communicated with the supporting boxes 11; during operation, the collecting shell 10 is used for storing organic treatment liquid used for color difference treatment, two liquid pumps 13 are started by means of an external controller, the liquid pumps 13 can convey the organic treatment liquid inside the collecting shell 10 to the inside of the supporting boxes 11 and evenly spray out by means of the first spray heads 12, when a lead frame passes through the middle of the two supporting boxes 11, the organic treatment liquid sprayed out by the first spray heads 12 can evenly spray onto the surface of the lead frame, and then the surface of the lead frame is slightly corroded by means of the organic treatment liquid, so that the surface color of the lead frame becomes bright, the color difference degree of the surface of the lead frame is reduced, and the redundant organic treatment liquid can drop downwards into the collecting shell 10, so that the organic treatment liquid can be conveniently recycled, the phenomenon of excessive waste is avoided, and resources are saved.
As an embodiment of the invention, the clamping mechanism comprises a first electric cylinder 14, two second clamping frames 18 and a balancing weight 21, wherein the first electric cylinder 14 is fixedly arranged between the side walls of the opposite sides of the two supporting boxes 11 through a transverse plate, the piston rod end part of the first electric cylinder 14 is fixedly connected with a first clamping frame 15, the side walls of the first clamping frames 15 are symmetrically and fixedly connected with second electric cylinders 16, the piston rod end parts of the two second electric cylinders 16 penetrate through the first clamping frames 15 and extend outwards and then are fixedly connected with a first clamping plate 17, the two second clamping frames 18 are symmetrically and fixedly connected with the side walls of the rotating cylinder 5, the side walls of the second clamping frames 18 are symmetrically and fixedly connected with a third electric cylinder 19, the piston rod end part of the third electric cylinder 19 penetrates through the second clamping frames 18 and extends outwards and then is fixedly connected with a second clamping plate 20, and the balancing weight 21 is fixedly embedded on the surface of the rotating cylinder 5; during operation, with the help of outside transport mechanism with the lead frame transmission to between two first grip blocks 17, and promote two first grip blocks 17 through two second electric cylinders 16 and remove in opposite directions, thereby realize the centre gripping to the lead frame, then promote first grip block 15 through the piston rod of first electric cylinder 14, drive the lead frame and pass through between the first shower nozzle 12 of both sides, realize spraying organic treatment liquid's purpose to the lead frame surface, be favorable to carrying out slight corrosion treatment to the surface of lead frame through organic treatment liquid, thereby improve the colour difference on lead frame surface, along with the continuation promotion of first electric cylinder 14, promote the one end of lead frame to remove between two second grip blocks 20, promote two second grip blocks 20 to remove in opposite directions with the help of the piston rod of third electric cylinder 19, and loosen the centre gripping to the lead frame of two first grip blocks 17, simultaneously the staff also can manually one hundred eighty degrees rotate rotary drum 5 with another second grip block 18 rotatory face first grip block 15, move the lead frame after new spraying to the surface of this second grip block to carry out slight corrosion treatment, thereby improve the colour difference on the lead frame surface, along with the continuation promotion of first electric cylinder 14, promote the piston rod of the one end of lead frame to promote two second grip blocks 20 to remove to the centre gripping blocks 20 to the centre gripping of two second grip blocks 20, thereby the effect the centre gripping of two centre gripping blocks 21 to the two centre gripping blocks of two centre gripping blocks 20, the two centre gripping blocks 1, the cylinder 21 is placed at the two centre gripping drum positions of two centre gripping blocks are held down, and the top surface of two centre gripping drum positions of two centre gripping frame 5, and the top roll shell position is kept down, and the top down is held down by the top down, and is held down by the top down on the top down, and is kept down on the top and has a top down top and is convenient.
As one embodiment of the invention, the displacement pulling mechanism comprises two T-shaped plates 22, the two T-shaped plates 22 are respectively and fixedly connected to the tops of the two division plates 2, guide rails 24 are arranged on the side walls of the T-shaped plates 22, the guide rails 24 are formed by a first L-shaped groove 2401, a horizontal groove 2402 and a second L-shaped groove 2403 which are sequentially communicated with each other, rectangular blocks 25 are inserted into the two first L-shaped grooves 2401, a second cylinder 26 is fixedly connected between the two rectangular blocks 25 together, connecting frames 27 are symmetrically and fixedly connected to the surfaces of the second cylinder 26, the opposite sides of the two connecting frames 27 are respectively and rotatably connected with the two ends of the rotary cylinder 5, sliding plates 28 are horizontally and slidably connected to the side walls of the T-shaped plates 22, first V-shaped openings 29 are respectively arranged on the side walls of the two sliding plates 28, driving mechanisms are jointly arranged between the tops of the two sliding plates 28 and the tops of the two T-shaped plates 22, the driving mechanisms are used for driving the sliding plates 28 to move along the side walls of the T22, the two horizontal sliding plates 27 are respectively and the two mounting plates 7 are arranged between the two T-shaped plates 2, and the two mounting plates 7 are synchronously in a linkage process; during operation, the two sliding plates 28 are driven to slide along the side wall of the T-shaped plate 22 by the driving mechanism, the surface of the second cylinder 26 is pushed by the inner wall of the first V-shaped opening 29 in the sliding process of the sliding plates 28, in an initial state, the rectangular block 25 is driven to move along the inner wall of the transverse slot of the first L-shaped slot 2401 along with the pulling of one end of the first V-shaped opening 29, when the rectangular block 25 moves to the turning position of the first L-shaped slot 2401, the rectangular block 25 is pulled to move downwards along the vertical slot of the first L-shaped slot 2401 by the second cylinder 26 along with the pushing of the inner wall of the first V-shaped opening 29, so that the rotary cylinder 5 clamped with the lead frame is moved into the U-shaped opening 8 along with the pulling of the first V-shaped opening 29, the rectangular block 25 is driven to move along the inner wall of the horizontal groove 2402, the rotary drum 5 is moved inside the rectangular shell 1, the water flowing inside the rectangular shell 1 conveniently takes away the organic treatment liquid on the surface of the lead frame, when the inner wall of the other side of the first V-shaped opening 29 after turning pushes the surface of the second cylinder 26, the rectangular block 25 is driven to move along the vertical groove of the second L-shaped groove 2403 towards the inner part of the transverse groove, so that the cleaned lead frame moves out of the rectangular shell 1, the worker is conveniently taken out, then the sliding plate 28 is driven to slide and reset along the side wall of the T-shaped plate 22 under the action of the driving mechanism, the cleaning of the lead frame at the next time is convenient, the whole process is automatic, the manual operation cleaning is not needed, and the working intensity of the worker is relieved.
As an embodiment of the invention, the driving mechanism comprises a first connecting plate 23 and a second connecting plate 30, wherein two ends of the first connecting plate 23 are respectively and fixedly connected with top edges of two T-shaped plates 22, a motor 31 is fixedly connected to the side wall of the first connecting plate 23, the end part of an output shaft of the motor 31 penetrates through the first connecting plate 23 and extends to the outside of the first connecting plate, and is fixedly connected with a threaded rod 32, two ends of the second connecting plate 30 are respectively and fixedly connected with the top edges of two sliding plates 28, and the surface of the second connecting plate 30 is in threaded connection with the threaded rod 32 through a threaded through hole; during operation, the motor 31 is started by virtue of the peripheral controller, the output shaft of the motor 31 can drive the threaded rod 32 to rotate, so that the two sliding plates 28 are driven to slide along the surface of the T-shaped plate 22 by virtue of the second connecting plate 30, the surface of the second cylinder 26 is conveniently pushed by virtue of the first V-shaped opening 29 formed in the surface of the sliding plate 28, the rectangular block 25 is driven to move along the inner wall of the guide rail 24, the clamped lead frame moves and moves out of the rectangular shell 1, and the bristles 9 brush the surface of the lead frame and the organic treatment liquid on the inner wall of the notch conveniently.
As one embodiment of the invention, the linkage mechanism comprises a rectangular frame 33 and a pulling rod 34, wherein the rectangular frame 33 is fixedly connected to the side wall of the mounting plate 7, the pulling rod 34 is fixedly connected to the surface of the connecting frame 27, and in the process of downward movement of the connecting frame 27, the end part of the pulling rod 34 is driven to be inserted into a frame groove of the rectangular frame 33; during operation, as the rectangular block 25 drives the rotary drum 5 to move downwards, the pull rod 34 connected to the surface of the connecting frame 27 moves downwards and is inserted into the rectangular frame 33, so that the rectangular frame 33 is pulled to move synchronously by the pull rod 34 in the process of horizontally moving the rotary drum 5 along the rectangular shell 1, thereby driving the mounting plate 7 connected with the bristles 9 to move along with the rotary drum 5, facilitating the bristles 9 to brush off the organic treatment liquid on the surface of the lead frame in the process of rotating the lead frame, avoiding the organic treatment liquid from being attached to the surface of the lead frame for a long time, prolonging the corrosion of the organic treatment liquid on the surface of the lead frame and causing excessive corrosion of the surface of the lead frame, and further affecting the effect of the organic treatment liquid on the color difference treatment of the surface of the lead frame.
As an embodiment of the invention, the rotating mechanism comprises two racks 35 and two gears 36, wherein the two racks 35 are symmetrically and fixedly connected to the inner wall of the rectangular shell 1, the two racks 35 are positioned between the two dividing plates 2, the two gears 36 are symmetrically and fixedly sleeved on the surface of the rotating cylinder 5, and the gears 36 are matched with the racks 35; when the brush box is in operation, after the rectangular block 25 moves downwards to the inside of the horizontal groove 2402 along the first L-shaped groove 2401, the gear 36 which moves downwards along with the rotary drum 5 is meshed with the rack 35, then the rotary drum 5 is driven to move along the inside of the rectangular shell 1 under the action of the driving mechanism, the gear 36 rotates simultaneously in the moving process under the meshing action of the rack 35 and the gear 36, so that the rotary drum 5 holding the lead frame is driven to rotate, the rotating lead frame brushes the surface of the brush hair 9 from the surface of the brush hair 9 in the process, the brush hair 9 is poked into a notch on the surface of the lead frame, the organic treatment liquid on the inner wall of the notch is brushed, so that the flowing water in the rectangular shell 1 is convenient to take away the organic treatment liquid, the cleaning of the organic treatment liquid on the surface of the lead frame is realized, the overlength time of the organic treatment liquid is prevented from being attached to the surface of the lead frame, the corrosion of the surface of the lead frame is prolonged, and the color difference treatment effect of the organic treatment liquid on the surface of the lead frame is influenced.
As an embodiment of the invention, the surface of the rotary drum 5 is provided with an active water spraying mechanism, the active water spraying mechanism is used for carrying out active spraying auxiliary flushing on the surface of a lead frame entering between two bristles 9, the active water spraying mechanism comprises two inserting openings 37, two pairs of third connecting plates 38 and a second transmission shell 43, the two inserting openings 37 are respectively arranged at the bottoms of the two connecting frames 27, the two connecting frames 27 are mutually communicated with the inside of the rotary drum 5, the two pairs of third connecting plates 38 are respectively and symmetrically fixedly connected to the side walls of the opposite sides of the two mounting plates 7, the end parts of each pair of third connecting plates 38 are respectively and fixedly connected with a water storage shell 39, the side walls of the water storage shell 39 are symmetrically provided with water inlets 40, the top of the water storage shell 39 is fixedly connected with a first transmission shell 41, after the rotary drum 5 moves to the inside of the rectangular shell 1, the upper end of the first transmission shell 41 is inserted into the inside of the inserting opening 37 in a sealing manner, the inner walls of the water storage shell 39 are respectively and slidingly connected with sealing frames 42, guide mechanisms are jointly arranged between the inner walls of the two sealing frames 42 and the inner bottom surfaces of the rectangular shell 1, along with the inner walls of the second transmission shell 43 are respectively and fixedly connected with the inclined surfaces of the water storage shell 43 along the second inclined surfaces 45, and the second inclined surfaces of the water storage shell 39 are fixedly connected with the second transmission shells 43, and the second inclined surfaces of the water storage shell 43 are fixedly connected with each other along the inclined surfaces of the second inclined surfaces and are fixedly connected with the second inclined surfaces of the second sealing shells 43; in operation, the lead frame does not actively flush the surface of the lead frame in the process of moving the inside of the rectangular shell 1 by water flow in the lead frame, so that brushing of the surface of the lead frame by the bristles 9 is not facilitated, the technical scheme can solve the problems, and the technical scheme is as follows, along with the process that the rotary drum 5 moves towards the inside of the rectangular shell 1, and the rotary drum 5 is mutually communicated with the connecting frame 27 in rotary connection, the upper end of the first transmission shell 41 communicated with the top of the water storage shell 39 can be sealed and inserted into the inserting opening 37 at the bottom of the connecting frame 27, so that the water storage shell 39 is sequentially communicated with the first transmission shell 41, the connecting frame 27 and the rotary drum 5, the water inlet 40 is arranged, water flow in the rectangular shell 1 is convenient to enter the inside of the water storage shell 39, and in the process that the mounting plate 7 moves rightwards along the inside of the rectangular shell 1, the two sealing frames 42 are driven to move by the two guiding mechanisms and the sealing frames 42 are driven to move in the same direction, when the water storage shell 39 moves along with the mounting plate 7, the two sealing frames 42 move along the inner walls of the two water storage shells 39 respectively in the same direction, the sealing frame 42 on one side pushes water flow along the inner walls of the water storage shells 39, during the movement of the sealing frames 42, the water inlet 40 is blocked by the side walls of the sealing frames 42, so that along with the continuous movement of the sealing frames 42, the water flow in the water storage shells 39 can be pushed by the sealing frames 42 to enter the rotary drum 5 through the first transmission shell 41 and actively sprayed out to the surfaces of the lead frames through the second spray heads 45, the sprayed water flow drives the water flow on the surfaces of the bristles 9 to help to strengthen the fluidity of the water flow when the lead frames rotate and clean along the surfaces of the bristles 9, thereby help brush hair 9 to brush down the organic treatment liquid on lead frame surface, the sealing frame 42 of opposite side can remove the shutoff of canceling close water inlet 40, make things convenient for inside water of rectangular shell 1 to get into the water storage shell 39 inside through water inlet 40, two sealing frames 42 that equidirectional removal that set up, the in-process of the inside water of one of them water storage shell 39 toward the inside propelling movement of rotary drum 5, can be synchronous to the inside retaining of another water storage shell 39, thereby in the in-process of mounting panel 7 removal, guarantee the inside water of rectangular shell 1 and can in time continuously flow towards the inside of rotary drum 5, guarantee that second shower nozzle 45 has the water to spray all the time, strengthen the mobility of rivers, avoid the excessive corruption of organic treatment liquid overlength to the surface of lead frame, lengthen the corruption of organic treatment liquid to the lead frame surface, thereby influence the effect of organic treatment liquid to lead frame surface treatment, in the mounting panel 7 along the in-process that rectangular shell 1 moved the colour difference of the reposition, through the water that second shower nozzle 45 sprayed, conveniently wash hair 9's surface, be favorable to attaching hair 9 to the inside rectangular shell 1 with the water stream that the rectangular shell 1 is stained with hair 9, keep clean and tidy along with the inside of the brush hair 1.
As one embodiment of the invention, the guiding mechanism comprises a supporting frame 46 and an L-shaped pin 48, wherein the supporting frame 46 is fixedly connected to the inner bottom surface of the rectangular shell 1, two second V-shaped openings 47 which are mutually communicated are formed in the top of the supporting frame 46, the L-shaped pin 48 is fixedly connected to the side wall of the sealing frame 42, and the end part of the L-shaped pin 48 is inserted into the second V-shaped openings 47 in a sliding manner; during operation, in the process that the water storage shell 39 moves along with the mounting plate 7, the L-shaped pin 48 connected to the inner wall of the sealing frame 42 synchronously moves, the end part of the moved L-shaped pin 48 moves along the inner wall of the second V-shaped opening 47, due to the V-shaped shape of the second V-shaped opening 47, in the process that the end part of the L-shaped pin 48 moves along the inner wall of the second V-shaped opening 47, the inner wall of the L-shaped pin 48 pushes the surface of the L-shaped pin 48, the surface stress of the L-shaped pin 48 pulls the sealing frame 42 to move along the inner wall of the water storage shell 39, the L-shaped pin 48 just drives the sealing frame 42 to reset along the round of the inner wall of the water storage shell 39 in a reciprocating manner, so that water storage is finished inside the water storage shell 39 and water pushing is realized inside the first transmission shell 41, and the water storage shell 39 is realized to the inside the rotary drum 5 twice, sufficient water flow inside the rotary drum 5 is ensured, the second spray head 45 is helped to have enough water, the rectangular spray head 45 is enabled to spray the water inside the guide wire 1, and the surface of the frame is cleaned up, and the surface of the machine is cleaned up.
The method for treating the surface chromatic aberration of the lead frame shown in fig. 1 specifically comprises the following steps:
step one, conveying water into the rectangular shell 1: the external water supply mechanism is communicated with the water inlet pipe 3, external water flow is conveyed into the rectangular shell 1 through the water inlet pipe 3, and along with the increase of the water flow in the rectangular shell 1, the excessive water overflows to two sides along the top of the partition plate 2, so that the excessive water is discharged by virtue of the water outlet pipe 4, and the fluidity of the water flow in the rectangular shell 1 is maintained;
step two, spraying organic treatment liquid on the surface of the lead frame: uniformly spraying organic treatment liquid to the surface of the moving lead frame through a spraying mechanism, and clamping and limiting the sprayed lead frame on the surface of the rotary cylinder 5 by means of a clamping mechanism;
step three, cleaning organic treatment liquid on the surface of the lead frame: the lead frame clamped on the surface of the rotary cylinder 5 is driven to move towards the inside of the rectangular shell 1 by the arranged displacement pulling mechanism, and the lead frame is driven to rotate by the aid of the rotary mechanism in the process that the lead frame moves along the inside of the rectangular shell 1, so that the bristles 9 can conveniently wash away organic treatment liquid on the surface of the lead frame in water flow in the inside of the rectangular shell 1.
The working principle of the invention is as follows:
according to the description, as shown in fig. 2 to 9, an external water supply mechanism is communicated with a water inlet pipe 3, external water is conveyed to the inside of a rectangular shell 1 by means of the water inlet pipe 3, as the water flow in the rectangular shell 1 increases gradually, excessive water overflows from the top of a division plate 2 to two sides, so that the excessive water is discharged through a water outlet pipe 4, the overflowed water helps to carry away organic treatment liquid which is brushed down to the inside of the rectangular shell 1 at a later stage, the cleanliness of the water flow in the rectangular shell 1 is maintained, a lead frame is conveyed to a clamping mechanism and clamped by means of an external conveying mechanism, when the lead frame passes through a spraying mechanism, the spraying mechanism sprays the organic treatment liquid on the surface of the lead frame, the sprayed organic treatment liquid slightly corrodes the surface of the lead frame, the color of the surface of the lead frame is reduced, as the lead frame moves continuously, the sprayed lead frame is clamped on the surface of the rotary drum 5 by the clamping mechanism, the organic treatment liquid is adhered on the surface of the lead frame for a long time to cause excessive corrosion on the surface of the lead frame, so that the effect of the organic treatment liquid on the surface of the lead frame in color difference treatment is affected, the rotary drum 5 clamped with the lead frame is driven to move between two bristles 9 in the process of pulling the rotary drum 5 by the displacement pulling mechanism, the bristles 9 brush the organic treatment liquid on the surface of the lead frame in the water flow in the rectangular shell 1 in the process of downwards moving the lead frame, then the lead frame moves rightwards along the rectangular shell 1 under the action of the rotary drum 5, the linkage rotating mechanism drives the rotary drum 5 to rotate, the lead frame is driven to rotate, the bristles 9 are conveniently inserted into the notch on the surface of the lead frame, the cleaning effect of the bristles 9 on the surface of the lead frame and the organic treatment liquid adhered to the notch is improved, the surface of the lead frame and the inner wall of the notch are brushed by the bristles 9 in the process of rotating the lead frame, the organic treatment liquid adhered to the surface of the lead frame and the inner wall of the notch is brushed into the rectangular shell 1, then the organic treatment liquid is taken away by water flowing in the rectangular shell 1, the surface of the lead frame and the organic treatment liquid on the inner wall of the notch are cleaned, the surface of the lead frame is prevented from being adhered to for too long time, the corrosion of the organic treatment liquid on the surface of the lead frame is prolonged, and the excessive corrosion of the surface of the lead frame is caused, so that the effect of the organic treatment liquid on the surface color difference treatment of the lead frame is affected.
The foregoing has shown and described the basic 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 foregoing embodiments, but rather, the foregoing embodiments and description illustrate the principles of the invention, and that various changes and modifications may be effected therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.
Claims (2)
1. The utility model provides a lead frame surface colour difference processing apparatus, includes rectangle shell (1), symmetrical fixedly connected with division board (2) on the inside bottom surface of rectangle shell (1), fixedly connected with inlet tube (3) on the lateral wall of rectangle shell (1), two division board (2) opposite side the lateral wall of rectangle shell (1) all fixedly connected with outlet pipe (4), characterized in that, be equipped with spraying mechanism on the lateral wall of rectangle shell (1), spraying mechanism is used for spraying organic treatment liquid to the lead frame surface that waits to handle;
the novel toothbrush is characterized in that a sliding block (6) is slidably connected to the inner bottom surface of the rectangular shell (1), the sliding block (6) is located between the two dividing plates (2), mounting plates (7) are symmetrically and fixedly connected to the top of the sliding block (6), U-shaped openings (8) are formed in the surface of each mounting plate (7), and bristles (9) are fixedly connected to the opposite sides of each mounting plate (7);
The tops of the two dividing plates (2) are rotatably provided with rotary drums (5) through displacement pulling mechanisms, the displacement pulling mechanisms are used for driving the rotary drums (5) to move through the inside of the rectangular shell (1) and driving the two mounting plates (7) to move, clamping mechanisms are arranged between the rotary drums (5) and the spraying mechanisms, and the clamping mechanisms are used for clamping lead frames to move;
a rotating mechanism is arranged between the rotating cylinder (5) and the inner wall of the rectangular shell (1), and the rotating mechanism is linked to drive the rotating cylinder (5) to rotate in the process that the rotating cylinder (5) moves along the inside of the rectangular shell (1);
the displacement pulling mechanism comprises two T-shaped plates (22), the two T-shaped plates (22) are respectively and fixedly connected to the tops of the two partition plates (2), guide rails (24) are arranged on the side walls of the T-shaped plates (22), the guide rails (24) are formed by a first L-shaped groove (2401), a horizontal groove (2402) and a second L-shaped groove (2403) which are sequentially communicated with each other, rectangular blocks (25) are respectively inserted in the two first L-shaped grooves (2401), a second cylinder (26) is fixedly connected between the two rectangular blocks (25), connecting frames (27) are symmetrically and fixedly connected to the surfaces of the second cylinders (26), opposite sides of the two connecting frames (27) are respectively and rotatably connected with two ends of the rotary cylinder (5), first V-shaped openings (29) are respectively arranged on the side walls of the T-shaped plates (22), second cylinders (26) are connected with the side walls of the first V-shaped openings (29) in a sliding mode, the two sliding mechanisms (28) are connected with the two T-shaped plates (28) in a sliding mode, the first V-shaped openings (29) are connected with the surfaces of the two T-shaped plates (28) along the sliding mechanisms (28) in a sliding mode, the two sliding mechanisms (28) are connected with the top surfaces of the two T-shaped plates (22) in a sliding mode, a linkage mechanism is arranged between the two connecting frames (27) and the two mounting plates (7), and the linkage mechanism synchronously drives the mounting plates (7) to move in the process that the rectangular block (25) slides along the inner wall of the horizontal groove (2402);
The spraying mechanism comprises a collecting shell (10), the collecting shell (10) is fixedly connected to the side wall of the rectangular shell (1), supporting boxes (11) are symmetrically and fixedly connected to two sides of the collecting shell (10), a plurality of first spray heads (12) which are mutually communicated with the inside of the supporting boxes (11) are fixedly connected to opposite sides of the two supporting boxes (11), liquid suction pumps (13) are fixedly connected to the side wall of the two supporting boxes (11), the end parts of liquid inlet pipes of the liquid suction pumps (13) are fixedly communicated with the collecting shell (10), and the end parts of liquid outlet pipes of the liquid suction pumps (13) are fixedly communicated with the supporting boxes (11);
the clamping mechanism comprises a first electric cylinder (14), two second clamping frames (18) and a balancing weight (21), wherein the first electric cylinder (14) is fixedly arranged between the side walls of opposite sides of two supporting boxes (11) through transverse plates, a first clamping frame (15) is fixedly connected to the end part of a piston rod of the first electric cylinder (14), a second electric cylinder (16) is symmetrically and fixedly connected to the side wall of the first clamping frame (15), the end parts of the piston rods of the two second electric cylinders (16) penetrate through the first clamping frame (15) and outwards extend and then are fixedly connected with a first clamping plate (17), the two second clamping frames (18) are symmetrically and fixedly connected to the side wall of a rotating cylinder (5), a third electric cylinder (19) is symmetrically and fixedly connected to the side wall of the second clamping frame (18), and a second clamping plate (20) is fixedly connected to the end part of the piston rod of the third electric cylinder (19) after penetrating through the second clamping frame (18) and outwards extending, and the balancing weight (21) is fixedly embedded on the surface of the rotating cylinder (5);
The driving mechanism comprises a first connecting plate (23) and a second connecting plate (30), wherein two ends of the first connecting plate (23) are fixedly connected with top edges of two T-shaped plates (22) respectively, a motor (31) is fixedly connected to the side wall of the first connecting plate (23), the end part of an output shaft of the motor (31) penetrates through the first connecting plate (23) and extends to the outside of the first connecting plate, a threaded rod (32) is fixedly connected to the end part of the motor, two ends of the second connecting plate (30) are fixedly connected with the top edges of two sliding plates (28) respectively, and the surface of the second connecting plate (30) is in threaded connection with the threaded rod (32) through a threaded through hole;
the linkage mechanism comprises a rectangular frame (33) and a pulling rod (34), the rectangular frame (33) is fixedly connected to the side wall of the mounting plate (7), the pulling rod (34) is fixedly connected to the surface of the connecting frame (27), and in the process of downward movement of the connecting frame (27), the end part of the pulling rod (34) is driven to be inserted into a frame groove of the rectangular frame (33);
the rotating mechanism comprises two racks (35) and two gears (36), wherein the two racks (35) are symmetrically and fixedly connected to the inner wall of the rectangular shell (1), the two racks (35) are positioned between the two dividing plates (2), the two gears (36) are symmetrically and fixedly sleeved on the surface of the rotating cylinder (5), and the gears (36) are matched with the racks (35);
The surface of the rotary cylinder (5) is provided with an active water spraying mechanism, the active water spraying mechanism is used for carrying out active spraying auxiliary flushing on the surface of a lead frame entering between two bristles (9), the active water spraying mechanism comprises two inserting openings (37), two pairs of third connecting plates (38) and a second transmission shell (43), the two inserting openings (37) are respectively formed in the bottoms of the two connecting frames (27), the two connecting frames (27) are communicated with the inside of the rotary cylinder (5), the two pairs of third connecting plates (38) are respectively and symmetrically fixedly connected to the side walls of the opposite sides of the two mounting plates (7), water storage shells (39) are fixedly connected between the end parts of each pair of third connecting plates (38), water inlets (40) are symmetrically formed in the side walls of the water storage shells (39), first transmission shells (41) are fixedly communicated with the tops of the water storage shells (39), after the rotary cylinder (5) moves to the inside of the rectangular shells (1), the upper ends of the first transmission shells (41) are respectively and the inner walls (41) are respectively and fixedly connected with water storage shells (39) in a sealing mode, the sealing mode is formed between the two sealing shells (41) and the sealing mechanism (42) are arranged on the inner walls of the sealing frame (1), in the process that the water storage shell (39) moves along with the mounting plate (7), the guide mechanism is linked to drive the sealing frame (42) to slide along the inner wall of the water storage shell (39), the second transmission shell (43) is fixedly communicated with the surface of the rotary cylinder (5), inclined surfaces (44) are symmetrically arranged on the surface of the second transmission shell (43), and a plurality of second spray heads (45) are fixedly communicated with the inclined surfaces (44);
The guide mechanism comprises a support frame (46) and an L-shaped pin (48), wherein the support frame (46) is fixedly connected to the inner bottom surface of the rectangular shell (1), two second V-shaped openings (47) which are mutually communicated are formed in the top of the support frame (46), the L-shaped pin (48) is fixedly connected to the side wall of the sealing frame (42), and the end part of the L-shaped pin (48) is slidably inserted into the second V-shaped openings (47).
2. A lead frame surface color difference processing method, which is applicable to a lead frame surface color difference processing device according to claim 1, and is characterized in that the processing method specifically comprises the following steps:
step one, conveying water into the rectangular shell (1): the external water supply mechanism is communicated with the water inlet pipe (3), external water flow is conveyed to the inside of the rectangular shell (1) through the water inlet pipe (3), and along with the increase of the water flow in the rectangular shell (1), the redundant water overflows to two sides along the top of the partition plate (2), so that the water is discharged by the water outlet pipe (4), and the fluidity of the water flow in the rectangular shell (1) is maintained;
step two, spraying organic treatment liquid on the surface of the lead frame: uniformly spraying organic treatment liquid to the surface of the moving lead frame through a spraying mechanism, and clamping and limiting the sprayed lead frame on the surface of the rotary cylinder (5) by means of a clamping mechanism;
Step three, cleaning organic treatment liquid on the surface of the lead frame: the displacement pulling mechanism drives the lead frame clamped on the surface of the rotary cylinder (5) to move towards the inside of the rectangular shell (1), and the lead frame is driven to rotate by the rotary mechanism in the process of moving along the inside of the rectangular shell (1), so that the brush hair (9) can conveniently wash away the organic treatment liquid on the surface of the lead frame in the water flow in the inside of the rectangular shell (1).
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108155120A (en) * | 2017-12-18 | 2018-06-12 | 广州丰江微电子有限公司 | A kind of device for lead frame surface processing |
| CN108404599A (en) * | 2018-02-12 | 2018-08-17 | 安溪县石草池茶叶有限公司 | A kind of organic waste gas treatment device and its method for incinerator |
| CN113964064A (en) * | 2021-10-25 | 2022-01-21 | 天水华洋电子科技股份有限公司 | Etching equipment for producing integrated circuit lead frame |
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| US6240933B1 (en) * | 1997-05-09 | 2001-06-05 | Semitool, Inc. | Methods for cleaning semiconductor surfaces |
| US6666997B2 (en) * | 2001-10-02 | 2003-12-23 | Micron Technology, Inc. | Method for removing cleaning compound flash from mold vents |
| CN114023674B (en) * | 2021-11-11 | 2022-06-07 | 天水华洋电子科技股份有限公司 | Lead frame surface treatment device based on integrated circuit |
| CN114146984B (en) * | 2021-12-01 | 2022-06-28 | 天水华洋电子科技股份有限公司 | Integrated circuit lead frame cleaning production process |
| CN114171487B (en) * | 2021-12-06 | 2022-07-12 | 天水华洋电子科技股份有限公司 | Surface treatment device for integrated circuit lead frame |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108155120A (en) * | 2017-12-18 | 2018-06-12 | 广州丰江微电子有限公司 | A kind of device for lead frame surface processing |
| CN108404599A (en) * | 2018-02-12 | 2018-08-17 | 安溪县石草池茶叶有限公司 | A kind of organic waste gas treatment device and its method for incinerator |
| CN113964064A (en) * | 2021-10-25 | 2022-01-21 | 天水华洋电子科技股份有限公司 | Etching equipment for producing integrated circuit lead frame |
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