CN114222433B - Wet chemical treatment equipment for printed circuit board - Google Patents
Wet chemical treatment equipment for printed circuit board Download PDFInfo
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- CN114222433B CN114222433B CN202210087508.4A CN202210087508A CN114222433B CN 114222433 B CN114222433 B CN 114222433B CN 202210087508 A CN202210087508 A CN 202210087508A CN 114222433 B CN114222433 B CN 114222433B
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- plate
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/0085—Apparatus for treatments of printed circuits with liquids not provided for in groups H05K3/02 - H05K3/46; conveyors and holding means therefor
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/22—Secondary treatment of printed circuits
- H05K3/24—Reinforcing the conductive pattern
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- 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
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Microelectronics & Electronic Packaging (AREA)
- Manufacturing Of Printed Wiring (AREA)
Abstract
The invention discloses a wet chemical treatment device for a printed circuit board, which comprises a rack, wherein a top cover is arranged at the top of the rack; further comprising: the first motor is fixed at the bottom of the rack, the guide post is sleeved with a movable post, the top of the movable post is positioned above the rack, a second motor is embedded in the top of the movable post, a push bar is sleeved at a protruding position of the top of the gear, and the adjusting plate is positioned in the adjusting groove; the replacement groove is arranged at the bottom of the mounting plate, one end of the first clamping plate and one end of the second clamping plate are located below the mounting plate, an inner groove is formed in the edge of the bottom of the mounting plate, a rotating shaft on one side of the transverse plate is connected with a movable ejector rod, and a spoiler is connected to the bottom cavity of the mounting bar through a reset spring. The wet chemical treatment equipment for the printed circuit board can carry out continuous operation, reduce the occupied space and improve the uniformity and the efficiency when deposition is carried out.
Description
Technical Field
The invention relates to the technical field of printed circuit board processing, in particular to printed circuit board wet chemical treatment equipment.
Background
When a printed circuit board is processed, a wet chemical treatment method is generally required to perform chemical deposition and protection on the surface of the printed circuit board, specifically including pretreatment, deposition preparation and post-treatment, and during the deposition preparation, the steps of activation → water washing → chemical nickel deposition → water washing → chemical gold deposition → water washing and the like are included, so that a layer of protection can be formed on the surface of the printed circuit board, but the existing wet chemical treatment equipment has the following problems during processing:
current wet chemical treatment equipment, when carrying out the deposit and handling, mostly adopt step-by-step operation, but occupation space area is big, the deposit process need maintain longer time, adopt tools such as gallows to carry out the transfer in batches, lead to inconvenient carry out the loop operation who lasts in less space, waste more time and space, simultaneously when carrying out the deposit and handling, can produce bubble and hydrops, current wet chemical treatment equipment, inconvenient carry out the high-speed grip to bubble and hydrops, influence the machining efficiency and the protection effect of circuit board easily, when carrying out the deposit and handling, the treatment fluid can be along with carrying out the consumption gradually of processing, need the ration to add, but current wet chemical treatment equipment, when adding the treatment fluid, inconvenient and circuit board uniform contact, also be the important factor who influences circuit board deposit effect.
In view of the above problems, innovative design based on the original wet chemical treatment equipment is urgently needed.
Disclosure of Invention
The invention aims to provide printed circuit board wet chemical treatment equipment, which solves the problems that the existing wet chemical treatment equipment in the background technology is inconvenient to carry out continuous circulating operation in a small space, is inconvenient to rapidly treat bubbles and accumulated liquid, and is inconvenient to uniformly contact with a circuit board by added treatment liquid.
In order to achieve the purpose, the invention provides the following technical scheme: a wet chemical treatment device for a printed circuit board comprises a rack, wherein a top cover is installed at the top of the rack, treatment cavities are formed in the upper end face of the rack, and partition plates are arranged among the treatment cavities;
further comprising:
the automatic lifting device comprises a first motor, a guide post, a guide groove, a mounting plate, a second motor, a fluted disc, a gear, a push bar, an adjusting plate, a rotating shaft at one end of the push bar, a gear disc, a gear, a push bar, a gear plate, a gear, a first motor and a second motor, wherein the first motor is fixed at the bottom of a rack, the output end of the first motor is connected with the guide post, the guide post is positioned in the movable groove, the movable groove is arranged in the middle of the top of the rack, the movable post is sleeved with the movable post, the guide post is fixed on the outer side of the movable post, the guide rod is positioned in the guide groove, the guide groove is arranged on the inner wall of the movable groove, the top of the movable post is positioned above the rack, the mounting plate is fixed on the lateral side of the movable post, the second motor is embedded in the top of the movable post, the output end of the second motor is connected with the fluted disc, the gear is meshed with the gear, the push bar is sleeved at the convex position of the top of the gear, the pivot shaft is connected with the adjusting plate, and the adjusting groove is arranged in the mounting plate;
the replacing groove is arranged at the bottom of the mounting plate, a first clamping plate and a second clamping plate which are in a T-shaped structure are attached and mounted in the replacing groove, one end of the first clamping plate and one end of the second clamping plate are positioned below the mounting plate, clamping pieces are connected to the inner sides of the bottoms of the first clamping plate and the second clamping plate through fixing springs, magnetic sheets are fixed to the side sides of the first clamping plate and the second clamping plate at positions corresponding to the inner wall of the replacing groove, an inner groove is formed in the edge of the bottom of the mounting plate, a mounting strip which is in a T-shaped structure is attached and placed in the inner groove, a push rod and a transverse plate are respectively fixed to the bottom of the adjusting plate from inside to outside, the push rod is positioned in the replacing groove and corresponds to the first clamping plate and the second clamping plate, the transverse plate is movably mounted in the mounting plate, a rotating shaft at one side of the transverse plate is connected with a movable ejector rod, and a rotating shaft at the middle of the movable ejector rod is connected in the inner groove, a rotating shaft at one end of the movable ejector rod is connected with a movable block, the movable block is movably arranged in a movable groove in a T-shaped structure, the movable groove is formed in the side of the mounting bar, a vertical bar is fixed at the top of the inner groove and is positioned in the top groove, the top groove is formed in the top of the mounting bar, a cavity at the bottom of the mounting bar is connected with a spoiler through a reset spring, a spoiler is formed in the spoiler in a penetrating manner, an air blowing plate is installed in the spoiler in a fit-through pipe, the top of the air blowing plate is fixed at the top of the cavity of the mounting bar, a through hole is formed in the air blowing plate, the top of the air blowing plate is connected with a first air pump through a pipeline, and the first air pump is installed in the mounting plate in an embedded manner;
the collecting tank is arranged at the top of the partition plate, a collecting hopper is fixed on the inner wall of the collecting tank, the bottom of the collecting hopper is connected with a gas collecting pipe, one end of the gas collecting pipe is in through connection with a gas collecting ring, the top of the gas collecting ring is in through connection with the output end of the second air pump, and the second air pump is fixed at the bottom of the rack.
Preferably, the guide bar is laminated in the guiding groove and slides, and the whole guiding groove is ring structure and distributes to guiding groove and treatment chamber relative position are decurrent sunk structure design, and the guiding groove is decurrent sunk structure design with division board relative position moreover, and the movable column drives the guide bar and rotates, receives the guiding groove guide, drives the activity post and moves about rotating the in-process, and then makes the mounting panel get into the treatment chamber that corresponds.
Preferably, the equal angular distribution of mounting panel is on the movable column, and the distribution position of mounting panel is corresponding with the distribution position of treatment chamber to the movable column laminating is slided on the guide pillar, and the guide pillar is rectangle structural design moreover, and the fixed circuit board in mounting panel bottom can get into the treatment intracavity in proper order and handle, and the guide pillar can drive the movable column and rotate simultaneously, does not influence the vertical activity of movable column on the guide pillar.
Preferably, the push bar is eccentrically arranged at the top of the gear, the gear slides in the adjusting groove in a reciprocating fit manner by pushing the bar to move the adjusting plate, the fluted disc drives the gear to rotate, and the adjusting plate can move in the adjusting groove in a reciprocating manner by pushing the bar.
Preferably, first splint and second splint all symmetry sets up in the mounting panel, and the one end that first splint and second splint are close to the push rod is slope structural design to the whole of the inboard clamping piece of first splint and second splint is "L" font structure at first splint and second splint movable mounting, and the bottom of clamping piece is right trapezoid structural design moreover, magnetic sheet on first splint and the second splint and the magnetic sheet magnetism on the replacement groove inhale mutually, and just first splint and second splint distribute around in the mounting panel, and the activity of regulating plate cooperates the magnetic sheet, drives the reciprocating motion of first splint and second splint, and the alternative carries out the centre gripping to the circuit board and fixes.
Preferably, the vertical bar is attached to and slides in the top groove, the top groove is in a V-shaped structural design, and when the mounting bar is stressed to reciprocate longitudinally, the vertical bar and the top groove can drive the mounting sleeve to reciprocate transversely.
Preferably, the spoiler hole array distributes on the spoiler, and the bottom of spoiler is bellied arc structural design to the distribution position of spoiler and through-hole is corresponding, and the spoiler top is "T" font structure and passes through the vertical elasticity in the bottom of mounting bar and slide moreover through reset spring, the below of through-hole is provided with the wind hole, and the wind hole link up with the hollow department in inside of the board of blowing mutually, and when the spoiler got into the liquid position of handling intracavity, it can rise by buoyancy, makes spoiler hole and through-hole link up, makes things convenient for liquid to pass through, and when the spoiler left the handling intracavity simultaneously, the spoiler returned the normal position, and spoiler hole and wind hole correspond this moment, conveniently bloies the operation.
Preferably, a sealing plate is connected to the inside of the collecting tank through a support spring, a pressure sensor is fixed to the bottom of the collecting tank, the top of the sealing plate is located above the partition plate, and the sealing plate is pressed down by the circuit board to be in contact with the pressure sensor.
Preferably, the top of shrouding is isosceles trapezoid structural design, and the avris at shrouding top laminates with the inner wall of collecting vat mutually, and the shrouding moves the in-process down, and the collecting vat top exposes, and the convenience is further adsorbed to the liquid on the circuit board.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention is provided with a continuous processing mechanism, the whole device is cylindrical, the periphery of the device is provided with processing cavities for step-by-step processing at equal angles, a guide post drives a movable post to rotate along with the rotation of a first motor, and the movable post synchronously moves up and down during the rotation by matching with the guide of a guide rod and a guide groove, so as to drive a circuit board at the bottom of a mounting plate to sequentially enter a plurality of processing cavities, the processing of the last procedure can be finished when the circuit board enters the processing cavity once, the circuit board is taken down and a new circuit board is placed, the structure greatly reduces the occupied area, simultaneously can realize continuous operation, avoids the trouble that each procedure needs to wait for a long time to cause that one-time deposition operation needs about one hour when linear procedure operation is carried out, the circuit board of the last procedure can be taken out when the processing cavities are switched once, and greatly reduces the time consumed for batch processing of the circuit boards, energy is saved, and the labor cost is reduced;
2. the invention is provided with an alternate clamping mechanism, the rotation of a second motor drives the rotation of a gear through a fluted disc, so that the gear can drive an adjusting plate to reciprocate in an adjusting groove through a push belt, the adjusting plate can drive a push rod at the bottom of the adjusting plate to reciprocate, the push rod is alternately contacted with the inclined sides of a first clamping plate and a second clamping plate, so that the first clamping plate and the second clamping plate alternately move towards the direction of a circuit board, meanwhile, when the circuit board is fixed through the compression of a clamping piece matched with a fixed spring, the fixed spring has certain resilience when the first clamping plate and the second clamping plate alternate, the clamping piece is not separated from the circuit board, the alternate reciprocating movement of the first clamping plate and the second clamping plate is realized through the adsorption of a magnetic sheet on the first clamping plate and the second clamping plate, further, the circuit board can be alternately clamped, so that dead clamping angles can not appear on the circuit board, compared with the traditional fixing structure, the structure can alternately change the clamping position when the circuit board is fixed, so that the clamped part of the circuit board can be contacted with liquid, the dead angles of deposition and washing are avoided, and the overall performance of the circuit board is improved;
3. the invention is provided with a bubble eliminating and flow disturbing mechanism, when a circuit board is kept still in a processing cavity, the bottom of a flow disturbing plate is lifted by buoyancy, so that a flow disturbing hole on the flow disturbing plate is communicated with a through hole on an air blowing plate, the rotation of a second motor drives an adjusting plate to reciprocate in an adjusting groove, the adjusting plate drives a transverse plate to reciprocate, so that the transverse plate drives a mounting bar to reciprocate longitudinally in an inner groove through a movable ejector rod, simultaneously, when the mounting bar moves, an upper groove moves on a vertical bar, and the synchronous transverse reciprocating motion of the mounting bar is realized, further, the longitudinal and transverse reciprocating motion of the flow disturbing plate can be driven through the mounting bar, when the flow disturbing plate is close to the circuit board, liquid around the water is extruded, part of the liquid overflows through the flow disturbing hole and the through hole, a solid part on the flow disturbing plate applies pressure to the periphery of the circuit board, bubbles are effectively eliminated, and the problem of uneven deposition is avoided, meanwhile, the transverse movement of the spoiler can change the pressing position to realize the purpose of uniformly eliminating bubbles, when the circuit board is washed, the water turbulence can be realized through the multidirectional movement of the spoiler, the cleaning effect of the circuit board is improved, the alternate clamping of the circuit board and the turbulence of liquid can be realized only through the rotation of the second motor, and the bubble elimination can be realized through the multidirectional movement of the spoiler, and the washing effect can be improved;
4. the invention is provided with an accelerating liquid removing mechanism, a circuit board rises and is separated from the liquid level along with the rotation of a movable column, the circuit board is in a draining state at the moment, redundant liquid on the circuit board is drained, but because an uneven interval exists on the circuit board, partial liquid can not automatically drop, the movable column drives a mounting plate to rise, at the moment, a spoiler loses buoyancy and returns to the original position under the action of a return spring, at the moment, a spoiler hole is staggered with a through hole, the spoiler hole corresponds to a wind hole, air is input into a blowing plate through a first air pump, the air is blown out from horn-shaped spoiler holes through the wind holes, the spoilers positioned on two sides of the circuit board blow the air to two sides of the circuit board and are matched with the transverse and longitudinal movement of the spoilers to increase the blowing area, accumulated liquid on the circuit board is blown down, on the one hand, the draining efficiency is improved, on the other hand, more liquid is convenient to be recovered, meanwhile, along with the continuous movement of the mounting plate, the circuit board moves to the top of the separation plate, and is matched with the guiding action of the guide rod and the guide groove, the circuit board moves downwards when being above the separation plate, the sealing plate is pressed to the bottom of the collecting groove and is contacted with the pressure sensor, a background controller is convenient to sense and control the operation of the second air pump, so that the collecting hopper generates suction, and the space blocking of the two spoilers is matched, so that the residual liquid on the circuit board is sucked into the collecting hopper and discharged by the second air pump, the residual liquid on the circuit board is further reduced, the interference on a subsequent treatment cavity is facilitated, and the deposition effect and efficiency are further improved;
in conclusion, the invention realizes the circulating continuous operation, reduces the occupied space area, reduces the whole deposition time and improves the deposition efficiency of the circuit board, the functions can be realized by a single first motor, saves energy, reduces the time and power for switching each step, effectively avoids the dead angle of deposition on the circuit board while effectively clamping the circuit board, solves the bubbles generated in the deposition process, can mix the deposition liquid when conventionally supplementing the deposition liquid, improves the deposition effect, and can disturb water in the water washing process to improve the water washing effect, the functions can be realized by a single second motor, improves the water draining efficiency of the circuit board by blowing and sucking processes when switching the position of the processing cavity, and can clear away the accumulated liquid at the dead angle, the through hole and other positions on the circuit board to reduce the waste of the accumulated liquid, reduce the interference between the different liquid, and then reduce follow-up cost of maintenance, above-mentioned function can be realized through spoiler and each relevant part, and whole course of working is smooth, and machining efficiency is high, and the processing is effectual.
Drawings
FIG. 1 is a schematic front sectional view of the present invention;
FIG. 2 is a schematic top view of the cross-sectional structure of the present invention;
FIG. 3 is a schematic view of the spread distribution structure of the guiding groove of the present invention;
FIG. 4 is a schematic top view of a cross-sectional structure of the adjusting plate according to the present invention;
FIG. 5 is a schematic top sectional view of the mounting plate of the present invention;
FIG. 6 is a schematic side sectional view of the mounting plate of the present invention;
FIG. 7 is a schematic view of a front cross-sectional view of a collection tank according to the present invention;
FIG. 8 is a schematic side sectional view of a collection trough according to the present invention;
fig. 9 is a schematic structural view of a front side of a spoiler hole according to the present invention.
In the figure: 1. a frame; 2. a top cover; 3. a treatment chamber; 301. a partition plate; 4. a first motor; 5. a guide post; 6. a movable groove; 7. a movable post; 8. a guide rod; 9. a guide groove; 10. mounting a plate; 11. a second motor; 12. a fluted disc; 13. a gear; 14. pushing the strips; 15. an adjusting plate; 16. an adjustment groove; 17. a replacement slot; 18. a first splint; 19. a second splint; 20. fixing the spring; 21. a clip; 22. a magnetic sheet; 23. an inner tank; 24. mounting a bar; 25. a push rod; 26. a transverse plate; 27. a movable ejector rod; 28. a moving block; 29. a moving groove; 30. vertical bars; 31. a top groove; 32. a return spring; 33. a spoiler; 34. a flow-disturbing hole; 35. a blowing plate; 351. a wind hole; 36. a through hole; 37. a first air pump; 38. collecting tank; 381. a support spring; 382. closing the plate; 383. a pressure sensor; 39. a collecting hopper; 40. a gas collecting pipe; 41. a gas collecting ring; 42. a second air pump.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-9, the present invention provides a technical solution: a wet chemical treatment device for printed circuit boards comprises a frame 1, a top cover 2, a treatment cavity 3, a partition plate 301, a first motor 4, a guide post 5, a movable groove 6, a movable post 7, a guide rod 8, a guide groove 9, a mounting plate 10, a second motor 11, a fluted disc 12, a gear 13, a push bar 14, a regulating plate 15, a regulating groove 16, a replacing groove 17, a first clamping plate 18, a second clamping plate 19, a fixed spring 20, a clamping plate 21, a magnetic sheet 22, an inner groove 23, a mounting bar 24, a push rod 25, a transverse plate 26, a movable top rod 27, a movable block 28, a movable groove 29, a vertical bar 30, a top groove 31, a reset spring 32, a spoiler 33, a spoiler hole 34, a blowing plate 35, a wind hole 351, a through hole 36, a first air pump 37, a collecting groove 38, a support spring 381, a sealing plate 382, a pressure sensor 383, a collecting bucket 39, a gas collecting pipe 40, a gas collecting ring 41 and a second air pump 42;
example 1
Referring to fig. 1-3, the device comprises a frame 1, a top cover 2 is installed on the top of the frame 1, a processing chamber 3 is opened on the upper end surface of the frame 1, and a partition plate 301 is arranged between the processing chambers 3; further comprising: the first motor 4 is fixed at the bottom of the frame 1, the output end of the first motor 4 is connected with a guide post 5, the guide post 5 is positioned in a movable groove 6, the movable groove 6 is arranged in the middle of the top of the frame 1, a movable post 7 is sleeved on the guide post 5, a guide rod 8 is fixed at the outer side of the movable post 7, the guide rod 8 is positioned in a guide groove 9, the guide groove 9 is arranged on the inner wall of the movable groove 6, the top of the movable post 7 is positioned above the frame 1, a mounting plate 10 is fixed at the lateral side of the movable post 7, a second motor 11 is embedded in the top of the movable post 7, the output end of the second motor 11 is connected with a fluted disc 12, a gear 13 is meshed at the lateral side of the fluted disc 12, a push bar 14 is sleeved at the convex position of the top of the gear 13, an adjusting plate 15 is connected with one end of the push bar 14 in a rotating shaft manner, the adjusting plate 15 is positioned in an adjusting groove 16, the adjusting groove 16 is arranged in the mounting plate 10; the guide rods 8 are in fit sliding in the guide grooves 9, the guide grooves 9 are integrally distributed in an annular structure, the positions, relative to the treatment cavity 3, of the guide grooves 9 are in a downward concave structure design, the positions, relative to the partition plates 301, of the guide grooves 9 are in a downward concave structure design, the mounting plates 10 are distributed on the movable columns 7 at equal angles, the distribution positions of the mounting plates 10 correspond to the distribution positions of the treatment cavity 3, the movable columns 7 are in fit sliding on the guide columns 5, and the guide columns 5 are in a rectangular structure design; the first motor 4 drives the guide post 5 to rotate, so that the movable post 7 and the mounting plate 10 can be driven to rotate, and meanwhile, the guide rod 8 and the guide groove 9 are matched to realize that the movable post 7 and the mounting plate 10 move up and down in the rotating process, so that the circuit boards fixed at the bottom of the mounting plate 10 can sequentially enter the processing cavities 3 which are distributed at equal angles for gradual processing, the occupied space is reduced, and meanwhile, continuous processing is performed;
example 2
Referring to fig. 1-2, 4-6 and 9, a replacement groove 17 is formed in the bottom of the mounting plate 10, a first clamping plate 18 and a second clamping plate 19 having a T-shaped front surface are mounted in the replacement groove 17 in a fitting manner, one end of each of the first clamping plate 18 and the second clamping plate 19 is located below the mounting plate 10, the inner sides of the bottoms of the first clamping plate 18 and the second clamping plate 19 are connected with a clamping plate 21 through a fixing spring 20, magnetic sheets 22 are fixed at positions corresponding to the inner walls of the replacement groove 17 on the lateral sides of the first clamping plate 18 and the second clamping plate 19, an inner groove 23 is formed in the bottom edge of the mounting plate 10, a mounting bar 24 having a T-shaped front surface is mounted in the inner groove 23, a push rod 25 and a transverse plate 26 are fixed at the bottom of the adjustment plate 15 from inside to outside, the push rod 25 is located in the replacement groove 17 and corresponds to the first clamping plate 18 and the second clamping plate 19, the transverse plate 26 is movably arranged in the mounting plate 10, a rotating shaft at one side of the transverse plate 26 is connected with a movable ejector rod 27, a rotating shaft at the middle part of the movable ejector rod 27 is connected in the inner groove 23, a rotating shaft at one end of the movable ejector rod 27 is connected with a movable block 28, the movable block 28 is movably arranged in a movable groove 29 in a T-shaped structure, the movable groove 29 is arranged at the side of the mounting bar 24, the top of the inner groove 23 is fixed with a vertical bar 30, the vertical bar 30 is positioned in a top groove 31, the top groove 31 is arranged at the top of the mounting bar 24, the bottom cavity position of the mounting bar 24 is connected with a spoiler 33 through a return spring 32, a spoiler 34 is arranged on the spoiler 33 in a penetrating way, an air blowing plate 35 is arranged in the spoiler 33 in a sticking through pipe, the top of the air blowing plate 35 is fixed at the top of the cavity of the mounting bar 24, a through hole 36 is arranged on the air blowing plate 35, the top of the air blowing plate 35 is connected with a first air pump 37 through a pipeline, the first air pump 37 is embedded in the mounting plate 10; the push bar 14 is eccentrically arranged at the top of the gear 13, the gear 13 drives the adjusting plate 15 to slide in the adjusting groove 16 in a reciprocating fit manner through the push bar 14, the first clamping plate 18 and the second clamping plate 19 are symmetrically arranged in the mounting plate 10, one ends of the first clamping plate 18 and the second clamping plate 19 close to the push rod 25 are both designed to be in an inclined structure, the whole clamping pieces 21 on the inner sides of the first clamping plate 18 and the second clamping plate 19 are movably arranged in the first clamping plate 18 and the second clamping plate 19 in an L-shaped structure, the bottoms of the clamping pieces 21 are designed to be in a right-angled trapezoid structure, the magnetic pieces 22 on the first clamping plate 18 and the second clamping plate 19 are magnetically attracted with the magnetic pieces 22 on the replacing groove 17, the first clamping plate 18 and the second clamping plate 19 are distributed in the mounting plate 10 in a front-back manner, the vertical bars 30 slide in the top grooves 31 in a fit manner, the top grooves 31 are designed to be in a V-shaped structure, and the turbulent flow holes 34 are distributed on the turbulent flow plate 33 in an array manner, the bottom of the spoiler 33 is in a convex arc structure design, the distribution positions of the spoiler flow holes 34 correspond to the distribution positions of the through holes 36, the top of the spoiler 33 is in a T-shaped structure and vertically and elastically slides on the bottom of the mounting bar 24 through the return spring 32, the air holes 351 are formed below the through holes 36, and the air holes 351 are communicated with the hollow part in the air blowing plate 35; the operation of the second motor 11 drives the adjusting plate 15 to reciprocate, the adjusting plate 15 drives the first clamping plate 18 and the second clamping plate 19 to alternately move through the push rod 25, the clamping position is changed while the circuit board is clamped, the circuit board is ensured to be uniformly contacted with liquid, meanwhile, the adjusting plate 15 drives the mounting bar 24 to transversely and longitudinally reciprocate through the transverse plate 26, when the circuit board enters the liquid, the liquid is guided and disturbed through the disturbed flow holes 34 and the through holes 36 on the spoiler 33, on one hand, bubbles are extruded, on the other hand, the mixing efficiency of the liquid and the cleaning efficiency of the circuit board are improved, and meanwhile, when the circuit board ascends, the spoiler 33 restores the position, and gas blown out through the wind holes 351 facilitates the dropping of accumulated liquid on the circuit board and reduces the draining time;
example 3
Referring to fig. 1-3 and 7-8, the collecting tank 38 is opened on the top of the partition plate 301, the inner wall of the collecting tank 38 is fixed with the collecting bucket 39, the bottom of the collecting bucket 39 is connected with the gas collecting pipe 40, one end of the gas collecting pipe 40 is connected with the gas collecting ring 41, the top of the gas collecting ring 41 is connected with the output end of the second air pump 42, the second air pump 42 is fixed at the bottom of the rack 1, the collecting tank 38 is connected with the sealing plate 382 through the supporting spring 381, the bottom of the collecting tank 38 is fixed with the pressure sensor 383, the top of the sealing plate 382 is located above the partition plate 301, the top of the sealing plate 382 is in an isosceles trapezoid structure design, the edge side of the top of the sealing plate 382 is attached to the inner wall of the collecting tank 38, the circuit board moves along with the movable post 7 and the mounting plate 10, when reaching above the partition plate 301, the circuit board descends to press the sealing plate 382, the residual liquid on the circuit board is adsorbed by the second air pump 42 in cooperation with the air collecting ring 41, the air collecting pipe 40 and the collecting hopper 39.
The working principle is as follows: when the printed circuit board wet chemical treatment equipment is used, firstly, as shown in figures 1-6 and 9, a door opening for placing and taking a circuit board is arranged on one side of a top cover 2, the circuit board is inserted between two adjacent clamping pieces 21 from bottom to top, the bottoms of the clamping pieces 21 incline, so that the clamping pieces 21 can be stressed to move towards a first clamping plate 18, at the moment, a fixed spring 20 is stressed and compressed, the circuit board is clamped and fixed through the two clamping pieces 21, a row of circuit boards are fixed at the bottom of a single mounting plate 10 in sequence, then a first motor 4 is started, the first motor 4 drives a movable column 7 to rotate in a movable groove 6 through a guide post 5, the transverse position of the circuit board is adjusted, meanwhile, a guide rod 8 on the outer side of the movable column 7 rotates in a guide groove 9 and is guided by the guide groove 9, so that the movable column 7 moves up and down while rotating, and the circuit board is guided into a treatment cavity 3, the circuit board is activated by liquid in the processing cavities 3, the first motor 4 is started at intervals, the circuit board is sequentially activated, washed, chemically deposited with nickel, washed, chemically deposited with gold, washed and the like in the processing cavities 3, the second motor 11 is started in the standing process, the second motor 11 drives the gear 13 to rotate through the fluted disc 12, the gear 13 drives the adjusting plate 15 to reciprocate in the adjusting groove 16 through the push bar 14, the adjusting plate 15 drives the push rod 25 and the transverse plate 26 to reciprocate, the push rod 25 contacts inclined planes of the first clamping plate 18 and the second clamping plate 19 when moving, the first clamping plate 18 and the second clamping plate 19 are adsorbed by the magnetic sheets 22, the alternating movement of the first clamping plate 18 and the second clamping plate 19 is realized, certain resilience force and distance adjustment are provided by the fixed spring 20, the clamping sheets 21 on the first clamping plate 18 and the second clamping plate 19 are used for alternately clamping the circuit board, meanwhile, the phenomenon that the circuit board loses clamping force when the circuit board is fixed alternately is avoided through the resilience force of the fixing spring 20, so that the whole surface of the circuit board can be contacted with liquid when the circuit board is fixed, the treatment effect is prevented from being influenced by a contact dead angle, meanwhile, when the transverse plate 26 moves in a reciprocating manner, the mounting bar 24 can be driven by the two movable ejector rods 27 to move in the inner groove 23 in a longitudinal reciprocating manner, when the mounting bar 24 moves, the top groove 31 moves at the end part of the vertical bar 30 and is guided by the top groove 31, the mounting bar 24 synchronously moves in the longitudinal direction, the movable groove 29 slides on the movable block 28, when the spoiler 33 at the bottom of the mounting bar 24 enters the liquid, the spoiler 33 rises, so that the spoiler 34 on the spoiler 33 is communicated with the through hole 36 on the air blowing plate 35, and further, when the mounting bar 24 moves in the longitudinal direction and the transverse direction synchronously, the spoiler 33 can be driven to move towards the position of the circuit board, the liquid around the circuit board is extruded by matching the turbulence holes 34 on the spoiler 33 with the solid positions on the spoiler, the extrusion area is increased along with the transverse movement of the mounting bar 24, bubbles on the circuit board are effectively removed, meanwhile, when the stock solution is supplemented to the treatment cavity 3 of the chemical immersion nickel and the chemical immersion gold, the liquid can be subjected to turbulence mixing through the movement of the spoiler 33, the uniformity of the liquid is improved, the deposition effect is improved, meanwhile, when the circuit board is washed by water, the turbulence of the water can be realized by the movement of the spoiler 33, the washing effect is improved, according to the steps, the circuit board is fixed, sequentially treated and taken, and the continuous operation is realized;
then, as shown in fig. 3 and fig. 6-9, as the movable post 7 drives the mounting plate 10 to rotate and move up and down, the processed circuit board is taken away from the processing chamber 3, so as to drain the circuit board, and when the buoyancy of the processing chamber 3 is lost, the circuit board returns to the original position under the action of the return spring 32, at this time, the position of the turbulent hole 34 corresponds to the position of the wind hole 351 of the blowing plate 35, air is input into the blowing plate 35 through the first air pump 37, the air is blown to the circuit board from the horn-shaped turbulent hole 34 through the blowing plate 35 and the wind hole 351, so as to blow down the liquid on the circuit board, accelerate the liquid removal effect, reduce the draining time, improve the overall processing efficiency, and when the mounting plate 10 moves to the position of the partition plate 301, the circuit board is driven to move down by the guide rod 8 and the guide groove 9, so that the circuit board contacts with the top of the sealing plate 382, the sealing plate 382 moves down under the force and contacts with the pressure sensor 383, the operation of the second air pump 42 is controlled by the background controller, the second air pump 42 sucks air through the air collecting ring 41, the air collecting pipe 40 and the collecting hopper 39, the circuit board is matched with the limiting of the spoilers 33 on the two sides of the circuit board on the space, so that the residual liquid on the circuit board is absorbed by the collecting hopper 39 and is discharged by the second air pump 42, the cleaning of the residual liquid on the circuit board is completed, then the first motor 4 is continuously started, the circuit board is driven to enter the next processing chamber 3 for the next process, then the circuit board which moves to the initial position is continuously taken and placed by a worker, raw liquid adding equipment can be arranged outside each processing chamber 3, the consumed liquid is supplemented, and the prior art is adopted.
Those not described in detail in this specification are prior art well known to those skilled in the art, and in the description of the present invention, "plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (8)
1. A printed circuit board wet chemical treatment device comprises a rack (1), wherein a top cover (2) is installed at the top of the rack (1), a treatment cavity (3) is formed in the upper end face of the rack (1), and a partition plate (301) is arranged between the treatment cavities (3);
the method is characterized in that: further comprising:
the device comprises a first motor (4), wherein the first motor (4) is fixed at the bottom of a rack (1), the output end of the first motor (4) is connected with a guide post (5), the guide post (5) is positioned in a movable groove (6), the movable groove (6) is arranged in the middle of the top of the rack (1), a movable column (7) is sleeved on the guide post (5), a guide rod (8) is fixed on the outer side of the movable column (7), the guide rod (8) is positioned in a guide groove (9), the guide groove (9) is arranged on the inner wall of the movable groove (6), the guide rod (8) is attached and slides in the guide groove (9), the guide groove (9) is integrally distributed in an annular structure, the relative position of the guide groove (9) and a processing cavity (3) is designed into a downward sunken structure, and the relative position of the guide groove (9) and a partition plate (301) is designed into a downward sunken structure, the top of activity post (7) is located the top of frame (1), and the avris of activity post (7) is fixed with mounting panel (10), the embedded second motor (11) of installing in inside at activity post (7) top, and the output of second motor (11) is connected with fluted disc (12) to the avris meshing of fluted disc (12) has gear (13), the protruding position cover at gear (13) top is equipped with and pushes away strip (14), and pushes away the one end pivot of strip (14) and be connected with regulating plate (15), regulating plate (15) are located regulating groove (16), and regulating groove (16) are seted up in the inside of mounting panel (10);
the replacement groove (17) is arranged at the bottom of the mounting plate (10), the replacement groove (17) is internally provided with a first clamping plate (18) and a second clamping plate (19) which are in a T-shaped structure in a fitting manner, one ends of the first clamping plate (18) and the second clamping plate (19) are positioned below the mounting plate (10), the inner sides of the bottoms of the first clamping plate (18) and the second clamping plate (19) are connected with clamping pieces (21) through fixing springs (20), magnetic sheets (22) are fixed at the corresponding positions of the lateral sides of the first clamping plate (18) and the second clamping plate (19) and the inner wall of the replacement groove (17), an inner groove (23) is arranged at the edge of the bottom of the mounting plate (10), a mounting strip (24) which is in a T-shaped structure is arranged in the inner groove (23) in a fitting manner, a push rod (25) and a transverse plate (26) are respectively fixed at the bottom of the adjusting plate (15) from inside to outside, the push rod (25) is positioned in the replacement groove (17) and corresponds to the first clamping plate (18) and the second clamping plate (19), the transverse plate (26) is movably arranged in the mounting plate (10), a rotating shaft at one side of the transverse plate (26) is connected with a movable ejector rod (27), a rotating shaft at the middle part of the movable ejector rod (27) is connected in the inner groove (23), a rotating shaft at one end of the movable ejector rod (27) is connected with a movable block (28), the movable block (28) is movably arranged in the movable groove (29) in a T-shaped structure, the movable groove (29) is arranged at the side of the mounting strip (24), the top of the inner groove (23) is fixed with a vertical bar (30), the vertical bar (30) is positioned in the top groove (31), the top groove (31) is arranged at the top of the mounting strip (24), the bottom cavity position of the mounting strip (24) is connected with a spoiler (33) through a return spring (32), a turbulent flow hole (34) is formed in the spoiler (33) in a penetrating mode, an air blowing plate (35) is installed in the spoiler (33) in a fit penetrating pipe mode, the top of the air blowing plate (35) is fixed to the top of the cavity of the mounting bar (24), a through hole (36) is formed in the air blowing plate (35), the top of the air blowing plate (35) is connected with a first air pump (37) through a pipeline, and the first air pump (37) is installed in the mounting plate (10) in an embedded mode;
the collecting tank (38) is arranged at the top of the partition plate (301), a collecting hopper (39) is fixed on the inner wall of the collecting tank (38), a gas collecting pipe (40) is connected to the bottom of the collecting hopper (39), a gas collecting ring (41) is connected to one end of the gas collecting pipe (40) in a penetrating manner, the top of the gas collecting ring (41) is connected to the output end of the second air pump (42) in a penetrating manner, and the second air pump (42) is fixed to the bottom of the rack (1).
2. A printed circuit board wet chemical processing apparatus according to claim 1, wherein: the mounting plates (10) are distributed on the movable columns (7) at equal angles, the distribution positions of the mounting plates (10) correspond to the distribution positions of the treatment cavity (3), the movable columns (7) are attached to and slide on the guide columns (5), and the guide columns (5) are designed to be rectangular structures.
3. A printed circuit board wet chemical processing apparatus according to claim 1, wherein: push away strip (14) at the top eccentric settings of gear (13), and gear (13) through pushing away strip (14) drive regulating plate (15) the reciprocal laminating slip in regulating groove (16).
4. A printed circuit board wet chemical processing apparatus according to claim 1, wherein: first splint (18) and second splint (19) all symmetry sets up in mounting panel (10), and first splint (18) and second splint (19) are the slope structural design near the one end of push rod (25), and the whole of first splint (18) and second splint (19) inboard clamping piece (21) is "L" font structure movable mounting in first splint (18) and second splint (19), and the bottom of clamping piece (21) is right trapezoid structural design, magnetic sheet (22) on first splint (18) and second splint (19) and magnetic sheet (22) magnetism on replacement groove (17) attract each other, and first splint (18) and second splint (19) distribute around in mounting panel (10).
5. A printed circuit board wet chemical processing apparatus according to claim 1, wherein: the vertical bars (30) are attached and slide in the top grooves (31), and the top grooves (31) are designed in a V-shaped structure.
6. A printed circuit board wet chemical processing apparatus according to claim 1, wherein: the spoiler is characterized in that the spoiler flow holes (34) are distributed on the spoiler (33) in an array mode, the bottom of the spoiler (33) is of a raised arc-shaped structure design, the spoiler flow holes (34) correspond to the distribution positions of the through holes (36), the top of the spoiler (33) is of a T-shaped structure and slides in the bottom vertical elastic mode of the mounting bar (24) through the reset spring (32), the air holes (351) are formed in the lower portion of the through holes (36), and the air holes (351) are communicated with the hollow inside of the air blowing plate (35).
7. A printed circuit board wet chemical processing apparatus according to claim 1, wherein: a sealing plate (382) is connected to the inside of the collecting tank (38) through a supporting spring (381), a pressure sensor (383) is fixed to the bottom of the collecting tank (38), and the top of the sealing plate (382) is located above the partition plate (301).
8. A printed circuit board wet chemical processing apparatus according to claim 7, wherein: the top of shrouding (382) is isosceles trapezoid structural design, and the avris at shrouding (382) top is laminated with the inner wall of collecting vat (38) mutually.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210087508.4A CN114222433B (en) | 2022-01-25 | 2022-01-25 | Wet chemical treatment equipment for printed circuit board |
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| CN202210087508.4A CN114222433B (en) | 2022-01-25 | 2022-01-25 | Wet chemical treatment equipment for printed circuit board |
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| CN114222433A CN114222433A (en) | 2022-03-22 |
| CN114222433B true CN114222433B (en) | 2022-08-09 |
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| CN114850284B (en) * | 2022-05-16 | 2023-08-11 | 山东瑞博电机有限公司 | Three-phase asynchronous motor shell punching device |
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| CN114222433A (en) | 2022-03-22 |
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