CN113689767B - Circuit board corrosion device capable of accelerating corrosion - Google Patents
Circuit board corrosion device capable of accelerating corrosion Download PDFInfo
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- CN113689767B CN113689767B CN202111248547.XA CN202111248547A CN113689767B CN 113689767 B CN113689767 B CN 113689767B CN 202111248547 A CN202111248547 A CN 202111248547A CN 113689767 B CN113689767 B CN 113689767B
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/06—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
- G09B23/18—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism
- G09B23/183—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism for circuits
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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
- H05K3/02—Apparatus or processes for manufacturing printed circuits in which the conductive material is applied to the surface of the insulating support and is thereafter removed from such areas of the surface which are not intended for current conducting or shielding
- H05K3/06—Apparatus or processes for manufacturing printed circuits in which the conductive material is applied to the surface of the insulating support and is thereafter removed from such areas of the surface which are not intended for current conducting or shielding the conductive material being removed chemically or electrolytically, e.g. by photo-etch process
- H05K3/068—Apparatus for etching printed circuits
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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
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/07—Treatments involving liquids, e.g. plating, rinsing
- H05K2203/0736—Methods for applying liquids, e.g. spraying
- H05K2203/0743—Mechanical agitation of fluid, e.g. during cleaning of the conductive pattern
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Abstract
The invention relates to the technical field of circuit boards, and discloses a circuit board corrosion device for accelerating corrosion, which comprises a base, wherein an organism is arranged outside the base, an annular bent plate is arranged inside the organism, and an air outlet plate is arranged inside the organism, and the circuit board corrosion device also comprises: the power mechanism is used for carrying out small-amplitude reciprocating rotation on the machine body and is arranged outside the base; by adopting a power mechanism, an airflow mixing mechanism, a valve mechanism, a control mechanism, a clamping plate mechanism and the like; the problem of in traditional circuit board corrosion test because carelessly make the whole submergions of tractive line and circuit board in solution is solved, just so can guarantee in circuit board corrosion test that the circuit board can not take place to contact with the container inner wall and cause the region of rendition to be scraped, guaranteed that the circuit board can be by complete corruption to the circuit board can be by safe taking, but also can solve long-time circuit board corrosion and cause the problem that different degree of depth corrosion solution concentrations differ.
Description
Technical Field
The invention relates to the technical field of circuit boards, in particular to a circuit board corrosion device for accelerating corrosion.
Background
In some electrical experiments or physical manufacturing, schools can make students try to manufacture circuit boards by themselves, the common methods are a corrosion circuit printed circuit method and a knife engraving method, the knife engraving method is only suitable for manufacturing small-size circuit boards, the workload is large, and therefore the corrosion printing method is mostly used and is divided into an electrolytic corrosion method and a solution corrosion method.
In the circuit experiment of university, generally need the student oneself to process a small-size circuit board according to the drawing, and in the in-process of making the circuit board, often need the student to carry out solution corrosion after accomplishing circuit board heating transfer operation, but current many schools are because teaching conditions are limited, generally all put corrosive solution in the container, let the student with the line tractive circuit board put into the container again, but the problem of the whole submergions of line and circuit board in the solution can appear in such operation, be unfavorable for the student to take the circuit board, and more circuit boards carry out corrosive operation together, can make the solution concentration in the container appear different situations, and corrosive gas can appear in the in-process of corruption.
Therefore, in order to solve these problems, a circuit board etching apparatus for accelerating etching is required.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a circuit board corrosion accelerating device which has the advantages of being suitable for circuit boards with different specifications, consistent in solution concentration and safe, and solves the problems that due to limited teaching conditions, a plurality of schools generally put a corrosive solution in a container, and then put the circuit board in the container by pulling a wire by a student, but the wire and the circuit board are completely immersed in the solution in the operation, so that the circuit board is not easy to take by the student, and more circuit boards are corroded together, so that the solution concentration in the container is different, and corrosive gas is generated in the corrosion process.
In order to achieve the purposes of consistent and safe concentration of the circuit board and the solution which are suitable for different specifications, the invention provides the following technical scheme: the utility model provides a circuit board corrosion device of accelerated corrosion, includes the base, the outside of base sets up the organism, and the inside of organism is provided with annular bent plate, and the inside of organism is provided with out the gas board, still includes:
the power mechanism is used for carrying out small-amplitude reciprocating rotation on the machine body and is arranged outside the base;
the gas flow mixing mechanism is used for mixing the corrosive solution by using gas, a valve mechanism is arranged in the gas flow mixing mechanism and used for controlling the gas flow in the gas flow mixing mechanism, and a control mechanism is arranged in the machine body and used for controlling the opening and closing of the power mechanism;
and the clamping plate mechanism is used for fixing and transporting the circuit board.
Preferably, the organism sets up in the top of base, the right side bottom fixedly connected with pivot of organism, and the both ends of pivot are rotated and are connected in the inside of base, and the pivot setting is in the inboard of base, and annular bent plate fixed connection is at the inner wall of organism, and the inner wall at the organism is inlayed to the board of giving vent to anger, and annular bent plate sets up in the top of the board of giving vent to anger.
Preferably, power unit sets up between base and organism, and power unit includes pneumatic cylinder, gyro wheel, slide, and the bottom fixed connection of pneumatic cylinder is at the interior bottom of base, and the gyro wheel rotates the top of connecting at the pneumatic cylinder, and the gyro wheel has two and symmetry to set up in the bottom of pneumatic cylinder, and slide fixed connection is in the bottom of organism, the inboard roll connection of gyro wheel and slide.
Preferably, the air current mixing mechanism sets up on power unit's right side, and the air current mixing mechanism includes gas storehouse, depression bar, piston, and power unit, gas storehouse, depression bar, piston setting are in the left side of pivot, and gas storehouse fixed connection is in the interior bottom of base, and depression bar fixed connection is in the bottom of organism, depression bar and gas storehouse sliding connection, the bottom fixedly connected with piston of depression bar, piston sliding connection is in the inside of gas storehouse.
Preferably, the air current mixing mechanism includes that hard tube one, reposition of redundant personnel shell, hose one, and hard tube one sets up in the inside of base, and reposition of redundant personnel shell fixed connection is in the interior bottom of base, and the one end of hard tube one is connected with the gas storehouse and stretches into the inside of gas storehouse, and the other end of hard tube one stretches into the inside of reposition of redundant personnel shell, and hard tube one is located the right side bottom of gas storehouse with the junction of gas storehouse, and the one end of hose one is connected with the reposition of redundant personnel shell and stretches into the inside of reposition of redundant personnel shell, and the other end of hose one passes the organism and is connected with the board of giving vent to anger.
Preferably, the air flow mixing mechanism comprises a second hose, a second hard pipe and an air suction pipe, one end of the second hose is connected with the shunt shell and extends into the shunt shell, the other end of the second hose is fixedly connected with the second hard pipe, the second hard pipe is fixedly connected with the outside of the machine body, two ends of the air suction pipe are fixedly connected with the inner wall of the machine body, the number of the air suction pipes is more than or equal to 2, the air suction pipes are uniformly arranged on the inner side of the machine body, one side of each air suction pipe, which is close to the bottom in the machine body, is provided with a plurality of air suction holes, the air suction pipe is arranged above the annular curved plate, and one end, which is far away from the second hose, of the second hard pipe is connected with the air suction pipe and extends into the air suction pipe; the specifications of the air bin, the pressure rod and the piston are matched with the rotating track of the machine body, the machine body cannot enable the pressure rod and the piston to be clamped with the air bin respectively when rotating, and the machine body cannot enable the first hose and the second hose to be tightened in the rotating process.
Preferably, valve mechanism includes resistance plate, movable valve, and valve mechanism sets up in the inside of reposition of redundant personnel shell, and the inside of reposition of redundant personnel shell is provided with T shape passageway, and the three-terminal of T shape passageway is connected with hard tube one, hose two respectively, and valve mechanism has two and sets up respectively in the T shape passageway inboard that is close to hose one, hose two, and resistance plate fixed connection is in the inside of reposition of redundant personnel shell, and movable valve rotates the inside of connecting at the reposition of redundant personnel shell.
Preferably, the valve mechanism comprises a spring strip, and two ends of the spring strip are respectively and fixedly connected with the shunt shell and the outer part of the movable valve; the specification of the movable valve is matched with that of the T-shaped channel, when the movable valve is closed, air inside the T-shaped channel can be completely blocked from flowing, in an initial state, the two movable valves are both in a closed state, the movable valve close to the first hose is in contact with the left side of the baffle, and the movable valve close to the second hose is in contact with the bottom of the baffle.
Preferably, control mechanism includes concentration inductive sensor one, concentration inductive sensor two, water level inductive sensor, a controller, concentration inductive sensor one, concentration inductive sensor two, water level inductive sensor all is in the inboard of organism, concentration inductive sensor one, the equal fixed connection of concentration inductive sensor two is at the right side inner wall of organism, concentration inductive sensor two is located concentration inductive sensor one top, water level inductive sensor is located two tops of concentration inductive sensor, water level inductive sensor fixed connection is in the inboard of annular bent plate, controller fixed connection is at the right side inner wall of base, concentration inductive sensor one, concentration inductive sensor two, water level inductive sensor, the pneumatic cylinder is connected with the controller electricity respectively.
Preferably, cardboard mechanism includes the bull stick, the handle, the fixed pulley, the fixed block, the stay cord, wherein the bull stick, the handle all sets up in the outside of organism, the fixed pulley, the fixed block, the stay cord all sets up the inboard at the organism, the bull stick rotates to be connected at the top of organism, handle fixed connection is in the outside of bull stick, the fixed pulley has two and symmetry to rotate to connect in the outside of annular bent plate, the stay cord has the equal fixed connection in the outside of bull stick of wherein one end of two and two stay cords, the equal fixedly connected with fixed block of the other end of two stay cords, two stay cords are connected with two fixed pulley transmissions respectively.
Preferably, cardboard mechanism includes support plate, joint board, and the outside fixedly connected with support plate of fixed block, joint board fixed connection are at the top of support plate, and fixed block, support plate, joint board all set up the inboard at the organism, and many cross draw-in grooves have been seted up on the surface of joint board, and the specification of draw-in groove and the specification phase-match of circuit board, circuit board can the joint in the inboard of draw-in groove.
In the technical scheme, the circuit board corrosion accelerating device provided by the invention adopts a power mechanism, an air flow mixing mechanism, a valve mechanism, a control mechanism, a clamping plate mechanism and the like; the problem of in traditional circuit board corrosion test because carelessly make the whole submergions of tractive line and circuit board in solution is solved, just so can guarantee in circuit board corrosion test that the circuit board can not take place to contact with the container inner wall and cause the region of rendition to be scraped, guaranteed that the circuit board can be by complete corruption to the circuit board can be by safe taking, but also can solve long-time circuit board corrosion and cause the problem that different degree of depth corrosion solution concentration differs, the speed of circuit board corrosion is accelerated.
Drawings
In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.
Fig. 1 is a schematic partial sectional view of a circuit board etching apparatus for accelerating etching according to this embodiment;
FIG. 2 is a schematic structural diagram of a circuit board etching apparatus for accelerating etching according to the present embodiment, shown in FIG. 1 at A;
FIG. 3 is a schematic structural diagram of a circuit board etching apparatus for accelerating etching according to the embodiment shown at B in FIG. 1;
FIG. 4 is a schematic view of a connection structure of a circuit board etching apparatus body, a second hard tube and an air suction tube for accelerating etching according to the present embodiment;
fig. 5 is a schematic structural diagram of a connection relationship among a fixing block, a carrier plate, and a clamping plate in the apparatus for etching a circuit board with accelerated etching provided in this embodiment.
In the figure: 1. a base; 2. a body; 3. an annular curved plate; 4. a power mechanism; 41. a hydraulic cylinder; 42. a roller; 43. a slideway; 5. an air flow mixing mechanism; 51. a gas bin; 52. a pressure lever; 53. a piston; 54. a first hard pipe; 55. a shunt shell; 56. a first hose; 57. a second hose; 58. a second hard tube; 59. an air intake duct; 6. a valve mechanism; 61. blocking the plate; 62. a movable valve; 63. a spring bar; 7. a control mechanism; 71. a first concentration induction sensor; 72. a second concentration induction sensor; 73. a water level sensing sensor; 74. a controller; 8. a clamping plate mechanism; 81. a rotating rod; 82. a handle; 83. a fixed pulley; 84. a fixed block; 85. pulling a rope; 86. a carrier plate; 87. a clamping and connecting plate; 9. and (7) an air outlet plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
For better understanding of the above technical solutions, the technical solutions of the present invention will be described in detail below with reference to the drawings and the detailed description of the present invention.
Referring to fig. 1-5, an apparatus for etching a circuit board with accelerated etching includes a base 1, a body 2 disposed outside the base 1, an annular curved plate 3 disposed inside the body 2, and an air outlet plate 9 disposed inside the body 2, and further includes: the power mechanism 4 is used for carrying out small-amplitude reciprocating rotation on the machine body 2, and the power mechanism 4 is arranged outside the base 1; the gas flow mixing mechanism 5 is used for mixing the corrosive solution by using gas, a valve mechanism 6 is arranged inside the gas flow mixing mechanism 5, the valve mechanism 6 is used for controlling the gas flow in the gas flow mixing mechanism 5, a control mechanism 7 is arranged inside the machine body 2, and the control mechanism 7 is used for controlling the opening and closing of the power mechanism 4; a clamping plate mechanism 8 for fixing and transporting the circuit board; the machine body 2 is arranged above the base 1, the bottom of the right side of the machine body 2 is fixedly connected with a rotating shaft, two ends of the rotating shaft are rotatably connected inside the base 1, the rotating shaft is arranged on the inner side of the base 1, the annular curved plate 3 is fixedly connected to the inner wall of the machine body 2, the air outlet plate 9 is embedded in the inner wall of the machine body 2, and the annular curved plate 3 is arranged above the air outlet plate 9; the power mechanism 4 is arranged between the base 1 and the machine body 2, the power mechanism 4 comprises hydraulic cylinders 41, idler wheels 42 and slide ways 43, the bottoms of the hydraulic cylinders 41 are fixedly connected to the inner bottom of the base 1, the idler wheels 42 are rotatably connected to the tops of the hydraulic cylinders 41, the idler wheels 42 are provided with two and symmetrically arranged at the bottoms of the hydraulic cylinders 41, the slide ways 43 are fixedly connected to the bottom of the machine body 2, and the idler wheels 42 are in rolling connection with the inner sides of the slide ways 43; the air flow mixing mechanism 5 is arranged on the right side of the power mechanism 4, the air flow mixing mechanism 5 comprises an air bin 51, a pressure lever 52, a piston 53, a first hard pipe 54, a shunt shell 55, a first hose 56, a second hose 57, a second hard pipe 58 and an air suction pipe 59, the power mechanism 4, the air bin 51, the pressure lever 52 and the piston 53 are arranged on the left side of a rotating shaft, the air bin 51 is fixedly connected to the inner bottom of the base 1, the pressure lever 52 is fixedly connected to the bottom of the machine body 2, the pressure lever 52 is in sliding connection with the air bin 51, the bottom of the pressure lever 52 is fixedly connected with the piston 53, the piston 53 is in sliding connection with the air bin 51, the first hard pipe 54 is arranged in the base 1, the shunt shell 55 is fixedly connected to the inner bottom of the base 1, one end of the first hard pipe 54 is connected with the air bin 51 and extends into the air bin 51, the other end of the hard pipe 54 extends into the shunt shell 55, the joint of the first hard pipe 54 and the air bin 51 is arranged at the right bottom of the air bin 51, one end of a first hose 56 is connected with the shunting shell 55 and extends into the shunting shell 55, the other end of the first hose 56 penetrates through the machine body 2 to be connected with the air outlet plate 9, one end of a second hose 57 is connected with the shunting shell 55 and extends into the shunting shell 55, the other end of the second hose 57 is fixedly connected with a second hard pipe 58, the second hard pipe 58 is fixedly connected with the outside of the machine body 2, two ends of an air suction pipe 59 are fixedly connected with the inner wall of the machine body 2, the number of the air suction pipes 59 is not less than 2 and are uniformly arranged on the inner side of the machine body 2, one side of the air suction pipe 59, which is close to the inner bottom of the machine body 2, is provided with a plurality of air suction holes, the air suction pipe 59 is arranged above the annular curved plate 3, and one end, which is far away from the second hose 57, of the second hard pipe 58 is connected with the air suction pipe 59 and extends into the air suction pipe 59; the specifications of the air chamber 51, the pressure lever 52 and the piston 53 are all matched with the rotating track of the machine body 2, the pressure lever 52 and the piston 53 cannot be clamped with the air chamber 51 when the machine body 2 rotates, and the first hose 56 and the second hose 57 cannot be tightened when the machine body 2 rotates.
The valve mechanism 6 comprises a resistance plate 61, a movable valve 62 and a spring strip 63, the valve mechanism 6 is arranged inside the shunting shell 55, a T-shaped channel is arranged inside the shunting shell 55, three ends of the T-shaped channel are respectively connected with the first hard tube 54, the first hose 56 and the second hose 57, two valve mechanisms 6 are respectively arranged at the inner sides of the T-shaped channels close to the first hose 56 and the second hose 57, the resistance plate 61 is fixedly connected inside the shunting shell 55, the movable valve 62 is rotatably connected inside the shunting shell 55, and two ends of the spring strip 63 are respectively fixedly connected with the shunting shell 55 and the outer part of the movable valve 62; the specification of the movable valves 62 is matched with that of the T-shaped channel, when the movable valves 62 are closed, air flow in the T-shaped channel can be completely blocked, in an initial state, the two movable valves 62 are both in a closed state, the movable valve 62 close to the first hose 56 is in contact with the left side of the baffle plate 61, and the movable valve 62 close to the second hose 57 is in contact with the bottom of the baffle plate 61; the control mechanism 7 comprises a first concentration induction sensor 71, a second concentration induction sensor 72, a water level induction sensor 73 and a controller 74, wherein the first concentration induction sensor 71, the second concentration induction sensor 72 and the water level induction sensor 73 are all positioned on the inner side of the machine body 2, the first concentration induction sensor 71 and the second concentration induction sensor 72 are both fixedly connected to the inner wall of the right side of the machine body 2, the second concentration induction sensor 72 is positioned above the first concentration induction sensor 71, the water level induction sensor 73 is positioned above the second concentration induction sensor 72, the water level induction sensor 73 is fixedly connected to the inner side of the annular curved plate 3, the controller 74 is fixedly connected to the inner wall of the right side of the base 1, and the first concentration induction sensor 71, the second concentration induction sensor 72, the water level induction sensor 73 and the hydraulic cylinder 41 are respectively and electrically connected with the controller 74; the clamping plate mechanism 8 comprises a rotating rod 81, a handle 82, fixed pulleys 83, fixed blocks 84, pull ropes 85, a carrier plate 86 and a clamping plate 87, wherein the rotating rod 81 and the handle 82 are arranged outside the machine body 2, the fixed pulleys 83, the fixed blocks 84 and the pull ropes 85 are arranged inside the machine body 2, the rotating rod 81 is rotatably connected to the top of the machine body 2, the handle 82 is fixedly connected to the outside of the rotating rod 81, the fixed pulleys 83 are two and symmetrically rotatably connected to the outside of the annular curved plate 3, the pull ropes 85 are provided with two pull ropes 85, one end of each of the two pull ropes 85 is fixedly connected to the outside of the rotating rod 81, the other ends of the two pull ropes 85 are fixedly connected with the fixed blocks 84, the two pull ropes 85 are respectively in transmission connection with the two fixed pulleys 83, the outside of the fixed blocks 84 is fixedly connected with the carrier plate 86, the clamping plate 87 is fixedly connected to the top of the carrier plate 86, the fixed blocks 84, the carrier plate 86 and the clamping plate 87 are arranged inside the machine body 2, the surface of the clamping plate 87 is provided with a plurality of cross-shaped clamping grooves, the specifications of the clamping grooves are matched with those of the circuit board, and the circuit board can be clamped on the inner sides of the clamping grooves.
Specifically, the circuit board to be corroded is clamped inside the clamping groove of the clamping plate 87, the handle 82 is rotated to rotate the rotating rod 81, the rotating rod 81 rotates to drive the pulling rope 85 to move, under the action of gravity, the pulling rope 85 moves to enable the carrier plate 86 to move to the inner bottom of the machine body 2, along with the corrosion, the concentration of the solution near the bottom of the machine body 2 begins to become lower, the first concentration sensing sensor 71 and the second concentration sensing sensor 72 sense different concentrations, the first concentration sensing sensor 71 and the second concentration sensing sensor 72 transmit information to the controller 74, the controller 74 controls the hydraulic cylinder 41 to start to reciprocate and stretch, the hydraulic cylinder 41 reciprocates and stretches to drive the roller 42 to roll inside the slideway 43 and drive the machine body 2 to generate small-amplitude reciprocating rotation, the machine body 2 rotates to enable the solution inside the machine body to shake, and then the solutions with different concentrations are mixed, and the counterclockwise rotation of the machine body 2 will drive the pressure lever 52 to move, the movement of the pressure lever 52 will drive the piston 53 to move inside the air chamber 51, the movement of the piston 53 will transmit the air inside the air chamber 51 to the inside of the T-shaped channel through the first hard tube 54, at this time, the air inside the T-shaped channel will extrude the movable valve 62, the movable valve 62 near the second hose 57 cannot rotate due to the limitation of the baffle 61, and the movable valve 62 near the first hose 56 rotates under the action of the air pressure, at this time, the air inside the T-shaped channel will enter the inside of the air outlet plate 9 through the first hose 56 and enter the corrosive solution through the air outlet plate 9, when the concentrations sensed by the first concentration sensing sensor 71 and the second concentration sensing sensor 72 are the same or the water level sensing sensor 73 senses the water level, the first concentration sensing sensor 71, the second concentration sensing sensor 72 and the water level sensing sensor 73 will transmit the information to the controller 74, at this time, the controller 74 controls the hydraulic cylinder 41 to be closed; when the body 2 rotates clockwise, under the action of air pressure, the air chamber 51 can draw the air inside the first hard tube 54 and the T-shaped channel, at this time, the movable valve 62 near the first hose 56 cannot rotate due to the limitation of the baffle 61, and the movable valve 62 near the second hose 57 rotates under the action of air pressure, so that the air above the solution can enter the air suction pipe 59 through the air holes, and enter the T-shaped channel through the second hard tube 58 and the second hose 57, and then enter the air chamber 51.
When the circuit board corrosion accelerating device is used specifically, the power mechanism 4, the airflow mixing mechanism 5, the valve mechanism 6, the control mechanism 7, the clamping plate mechanism 8 and the like are adopted; the problem of in traditional circuit board corrosion test because carelessly make the whole submergions of tractive line and circuit board in solution is solved, just so can guarantee in circuit board corrosion test that the circuit board can not take place to contact with the container inner wall and cause the region of rendition to be scraped, guaranteed that the circuit board can be by complete corruption to the circuit board can be by safe taking, but also can solve long-time circuit board corrosion and cause the problem that different degree of depth corrosion solution concentration differs, the speed of circuit board corrosion is accelerated.
Referring to fig. 1, 3 and 4, the air mixing mechanism 5 includes an air chamber 51, a pressure rod 52, a piston 53, a first hard tube 54, a diversion shell 55, a first hose 56, a second hose 57, a second hard tube 58 and an air suction pipe 59, the power mechanism 4, the air chamber 51, the pressure rod 52 and the piston 53 are disposed on the left side of the rotation shaft, the air chamber 51 is fixedly connected to the inner bottom of the base 1, the pressure rod 52 is fixedly connected to the bottom of the machine body 2, the pressure rod 52 is slidably connected to the air chamber 51, the bottom of the pressure rod 52 is fixedly connected to the piston 53, the piston 53 is slidably connected to the inner portion of the air chamber 51, the first hard tube 54 is disposed inside the base 1, the diversion shell 55 is fixedly connected to the inner bottom of the base 1, one end of the first hard tube 54 is connected to the air chamber 51 and extends into the inner portion of the air chamber 51, the other end of the first hard tube 54 extends into the diversion shell 55, the connection portion of the first hard tube 54 and the air chamber 51 is disposed at the right bottom of the air chamber 51, one end of the first hose 56 is connected to the diversion shell 55 and extends into the diversion shell 55, the other end of the first hose 56 penetrates through the machine body 2 to be connected with the air outlet plate 9, one end of the second hose 57 is connected with the shunt shell 55 and extends into the shunt shell 55, the other end of the second hose 57 is fixedly connected with the second hard pipe 58, the second hard pipe 58 is fixedly connected to the outside of the machine body 2, two ends of the air suction pipe 59 are fixedly connected to the inner wall of the machine body 2, the number of the air suction pipes 59 is more than or equal to 2, the air suction pipes are uniformly arranged on the inner side of the machine body 2, one side, close to the inner bottom of the machine body 2, of the air suction pipe 59 is arranged above the annular curved plate 3, one end, far away from the second hose 57, of the second hard pipe 58 is connected with the air suction pipe 59 and extends into the air suction pipe 59; the specifications of the air chamber 51, the pressure lever 52 and the piston 53 are all matched with the rotating track of the machine body 2, the pressure lever 52 and the piston 53 cannot be clamped with the air chamber 51 when the machine body 2 rotates, and the first hose 56 and the second hose 57 cannot be tightened when the machine body 2 rotates; the valve mechanism 6 includes a resistance plate 61, a movable valve 62, and a spring bar 63.
The counterclockwise rotation of the machine body 2 can drive the pressure lever 52 to move, the movement of the pressure lever 52 can drive the piston 53 to move in the air bin 51, the movement of the piston 53 can transmit the air in the air bin 51 to the inside of the T-shaped channel through the first hard tube 54, at the moment, the air in the T-shaped channel can extrude the movable valve 62, the movable valve 62 close to the second hose 57 cannot rotate due to the limitation of the baffle 61, the movable valve 62 close to the first hose 56 rotates under the action of air pressure, at the moment, the air in the T-shaped channel can enter the air outlet plate 9 through the first hose 56 and enter the corrosive solution through the air outlet plate 9; when the machine body 2 rotates clockwise, under the action of air pressure, the air bin 51 can extract air in the first hard tube 54 and the T-shaped channel, at the moment, the movable valve 62 close to the first hose 56 cannot rotate due to the limitation of the baffle plate 61, and the movable valve 62 close to the second hose 57 rotates under the action of air pressure, so that the air above the solution can enter the air suction pipe 59 through the air holes, and enter the T-shaped channel through the second hard tube 58 and the second hose 57 to further enter the air bin 51; such mechanism sets up the flow velocity that can accelerate 2 inside corrosive solution of organism, further will make corrosive solution's concentration the faster same concentration that reaches, just so avoided in long-time circuit board corrosion process, the concentration of container bottom solution reduces and the corruption time of extension circuit board, this time that will shorten circuit board corrosion experiment also, make the student can be faster obtain the circuit board that corrodes the completion, accelerate the speed of circuit experiment, and when shortening the corruption time, the air of solution top can also be absorb to this device, further just can absorb the corrosive gas that solution volatilizees, the air flow of 2 tops of organism is accelerated, avoid corrosive gas to be inhaled the health by the student, and is safer, reach the effect of killing two birds with one stone.
Referring to fig. 1 and 5, the clamping plate mechanism 8 includes a rotating rod 81, a handle 82, a fixed pulley 83, a fixed block 84, a pulling rope 85, a carrier plate 86, and a clamping plate 87, wherein the rotating rod 81 and the handle 82 are both disposed outside the machine body 2, the fixed pulley 83, the fixed block 84, and the pulling rope 85 are all disposed inside the machine body 2, the rotating rod 81 is rotatably connected to the top of the machine body 2, the handle 82 is fixedly connected to the outside of the rotating rod 81, the fixed pulley 83 has two fixed pulleys 83 symmetrically and rotatably connected to the outside of the annular curved plate 3, the pulling rope 85 has two pulling ropes 85, one end of each of the two pulling ropes 85 is fixedly connected to the outside of the rotating rod 81, the other end of each pulling rope 85 is fixedly connected to the fixed block 84, the two pulling ropes 85 are respectively connected to the two fixed pulleys 83 in a transmission manner, the outside of the fixed block 84 is fixedly connected to the carrier plate 86, the clamping plate 87 is fixedly connected to the top of the fixed block 86, the fixed blocks 84, the carrier plate 86, and the clamping plate 87 are all disposed inside the machine body 2, the surface of the clamping plate 87 is provided with a plurality of cross-shaped clamping grooves, the specifications of the clamping grooves are matched with those of the circuit board, and the circuit board can be clamped on the inner sides of the clamping grooves.
The circuit board to be corroded is clamped at the inner side of the clamping groove of the clamping plate 87, the rotating rod 81 rotates by rotating the handle 82, the rotating rod 81 rotates to drive the pull rope 85 to move, and the support plate 86 moves to the inner bottom of the machine body 2 by the movement of the pull rope 85 under the action of gravity; such mechanism can make things convenient for the student to take and put into to corroding the circuit board, will avoid student to cause the problem of circuit board and line all submergence in solution with line tractive circuit board like this, further avoid the student to take place the problem of incident when taking the circuit board under this kind of situation, it is also safer like this, with the circuit board joint in the draw-in groove, also will avoid circuit board and container to take place the contact and cause the regional scraping of heat-transfer seal, improve and corrode the success rate, more be fit for the use in the actual experiment.
Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that various changes, modifications and substitutions can be made without departing from the spirit and scope of the invention as defined by the appended claims. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (3)
1. The utility model provides a circuit board corrosion device of accelerated corrosion, includes base (1), the outside of base (1) sets up organism (2), and the inside of organism (2) is provided with annular bent plate (3), and the inside of organism (2) is provided with gas outlet plate (9), its characterized in that: further comprising:
the power mechanism (4) is used for performing small-amplitude reciprocating rotation on the machine body (2), the power mechanism (4) is arranged outside the base (1), the power mechanism (4) is arranged between the base (1) and the machine body (2), the power mechanism (4) comprises hydraulic cylinders (41), rollers (42) and slideways (43), the bottoms of the hydraulic cylinders (41) are fixedly connected to the inner bottom of the base (1), the rollers (42) are rotatably connected to the tops of the hydraulic cylinders (41), the two rollers (42) are symmetrically arranged at the bottoms of the hydraulic cylinders (41), the slideways (43) are fixedly connected to the bottom of the machine body (2), and the rollers (42) are in rolling connection with the inner sides of the slideways (43);
the gas flow mixing mechanism (5) for mixing the corrosive solution by using gas is arranged on the right side of the power mechanism (4), the gas flow mixing mechanism (5) comprises a gas bin (51), a pressure lever (52) and a piston (53), the power mechanism (4), the gas bin (51), the pressure lever (52) and the piston (53) are arranged on the left side of a rotating shaft, the gas bin (51) is fixedly connected to the inner bottom of the base (1), the pressure lever (52) is fixedly connected to the bottom of the machine body (2), the pressure lever (52) is in sliding connection with the gas bin (51), the piston (53) is fixedly connected to the bottom of the pressure lever (52), and the piston (53) is in sliding connection with the inside of the gas bin (51); the airflow mixing mechanism (5) comprises a first hard pipe (54), a shunting shell (55) and a first hose (56), wherein the first hard pipe (54) is arranged inside the base (1), the shunting shell (55) is fixedly connected to the inner bottom of the base (1), one end of the first hard pipe (54) is connected with the air bin (51) and extends into the air bin (51), the other end of the first hard pipe (54) extends into the shunting shell (55), the connection position of the first hard pipe (54) and the air bin (51) is located at the right bottom of the air bin (51), one end of the first hose (56) is connected with the shunting shell (55) and extends into the shunting shell (55), and the other end of the first hose (56) penetrates through the machine body (2) and is connected with the air outlet plate (9); the airflow mixing mechanism (5) comprises a second hose (57), a second hard pipe (58) and an air suction pipe (59), one end of the second hose (57) is connected with the shunting shell (55) and extends into the shunting shell (55), the other end of the second hose (57) is fixedly connected with the second hard pipe (58), the second hard pipe (58) is fixedly connected with the outside of the machine body (2), two ends of the air suction pipe (59) are fixedly connected with the inner wall of the machine body (2), the number of the air suction pipes (59) is more than or equal to 2 and are uniformly arranged on the inner side of the machine body (2), one side, close to the inner bottom of the machine body (2), of each air suction pipe (59) is provided with a plurality of air suction holes, the air suction pipe (59) is arranged above the annular curved plate (3), and one end, far away from the second hose (57), of the second hard pipe (58) is connected with the air suction pipe (59) and extends into the air suction pipe (59); the valve mechanism (6) is arranged in the air flow mixing mechanism (5), the valve mechanism (6) is used for controlling air flow in the air flow mixing mechanism (5), the valve mechanism (6) comprises a baffle plate (61) and a movable valve (62), the valve mechanism (6) is arranged in a shunting shell (55), a T-shaped channel is arranged in the shunting shell (55), three ends of the T-shaped channel are respectively connected with a first hard pipe (54), a first hose (56) and a second hose (57), two valve mechanisms (6) are respectively arranged on the inner sides of the T-shaped channels close to the first hose (56) and the second hose (57), the baffle plate (61) is fixedly connected in the shunting shell (55), and the movable valve (62) is rotatably connected in the shunting shell (55); a control mechanism (7) is arranged in the machine body (2), and the control mechanism (7) is used for controlling the opening and closing of the power mechanism (4);
a clamping plate mechanism (8) for fixing and transporting the circuit board; the clamping plate mechanism (8) comprises a rotating rod (81), handles (82), fixed pulleys (83), fixed blocks (84) and pull ropes (85), wherein the rotating rod (81) and the handles (82) are arranged outside the machine body (2), the fixed pulleys (83), the fixed blocks (84) and the pull ropes (85) are arranged on the inner side of the machine body (2), the rotating rod (81) is rotatably connected to the top of the machine body (2), the handles (82) are fixedly connected to the outside of the rotating rod (81), the fixed pulleys (83) are provided with two pull ropes (85), the two pull ropes are symmetrically rotatably connected to the outside of the annular curved plate (3), the two pull ropes (85) are fixedly connected to the outside of the rotating rod (81), the other ends of the two pull ropes (85) are fixedly connected to the fixed blocks (84), and the two pull ropes (85) are respectively in transmission connection with the two fixed pulleys (83); the clamping plate mechanism (8) comprises a support plate (86) and a clamping plate (87), the support plate (86) is fixedly connected to the outer portion of the fixing block (84), the clamping plate (87) is fixedly connected to the top of the support plate (86), and the fixing block (84), the support plate (86) and the clamping plate (87) are arranged on the inner side of the machine body (2).
2. The apparatus for etching a circuit board with accelerated etching as set forth in claim 1, wherein: organism (2) sets up in the top of base (1), and the right side bottom fixedly connected with pivot of organism (2), the both ends of pivot are rotated and are connected in the inside of base (1), and the pivot setting is in the inboard of base (1), and annular bent plate (3) fixed connection is at the inner wall of organism (2), and the inner wall at organism (2) is inlayed in board (9) of giving vent to anger, and annular bent plate (3) set up in the top of board (9) of giving vent to anger.
3. The apparatus for etching a circuit board with accelerated etching as set forth in claim 2, wherein: the valve mechanism (6) comprises a spring strip (63), and two ends of the spring strip (63) are respectively fixedly connected with the shunt shell (55) and the outer part of the movable valve (62).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111248547.XA CN113689767B (en) | 2021-10-26 | 2021-10-26 | Circuit board corrosion device capable of accelerating corrosion |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111248547.XA CN113689767B (en) | 2021-10-26 | 2021-10-26 | Circuit board corrosion device capable of accelerating corrosion |
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| CN113689767A CN113689767A (en) | 2021-11-23 |
| CN113689767B true CN113689767B (en) | 2021-12-28 |
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Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3035297B1 (en) * | 1999-05-27 | 2000-04-24 | 株式会社ケムテックジャパン | Apparatus and method for manufacturing printed circuit board |
| CN204261675U (en) * | 2014-11-26 | 2015-04-15 | 清远市中宇环保实业有限公司 | A kind of corrosion-resistant neutralization chamber |
| CN107318227B (en) * | 2017-08-18 | 2019-07-02 | 鹤山市德尔迪电子科技有限公司 | A kind of flexible circuit board etch cleaning integrated equipment |
| CN108048899B (en) * | 2017-11-29 | 2019-12-24 | 铜陵兴怡金属材料有限公司 | Low-voltage anode foil corrosion device for electrolytic capacitor |
| CN208581402U (en) * | 2018-08-15 | 2019-03-05 | 四川普瑞森电子有限公司 | A kind of pcb board Etaching device |
| CN109168268A (en) * | 2018-10-29 | 2019-01-08 | 浦江开丰广告设计有限公司 | A kind of equipment making pcb board |
| CN213847166U (en) * | 2021-01-19 | 2021-07-30 | 安徽博泰电路科技股份有限公司 | Etching machine for producing circuit board |
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