CN113163611B - Method for etching microstrip circuit board and improved device - Google Patents
Method for etching microstrip circuit board and improved device Download PDFInfo
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- CN113163611B CN113163611B CN202110261718.6A CN202110261718A CN113163611B CN 113163611 B CN113163611 B CN 113163611B CN 202110261718 A CN202110261718 A CN 202110261718A CN 113163611 B CN113163611 B CN 113163611B
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- circuit board
- water storage
- etching
- storage bin
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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
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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
- H05K2203/05—Patterning and lithography; Masks; Details of resist
- H05K2203/0562—Details of resist
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- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing Of Printed Circuit Boards (AREA)
Abstract
The invention discloses a micro-strip circuit board etching method and an improved device, which comprise a shell, a cover plate, a connecting pipe, a through hole and a screw hole, wherein a water storage bin is arranged in the shell, a vibration motor is arranged on one side of the outer wall of the lower end of the water storage bin, a first rubber hose and a second rubber hose are respectively installed on the lower end of the inner wall of the water storage bin in an inserted manner, the cover plate is arranged on one side of the outer wall of the upper end of the shell, the vibration motor is installed on one side of the outer wall of the lower end of the water storage bin, the connecting pipe is installed on one side of the outer wall of the lower end of the shell in an inserted manner, and the outer walls of two ends of the connecting pipe penetrate through the shell and are respectively connected with the first rubber hose and the second rubber hose. According to the invention, through arranging the vibrating motor, the spring and the water storage bin, the effect of removing bubbles on the surface of the circuit board is achieved, the etching solution can be ensured to be in full contact with the circuit board, the etching effect of the etching solution on the circuit board is ensured, and the etching quality of the circuit board is ensured.
Description
Technical Field
The invention relates to the technical field of circuit board etching, in particular to a method for etching a microstrip circuit board and an improved device.
Background
The circuit board makes the circuit miniaturized, visualized, play an important role in the batch production of fixed circuits and the optimization of the electrical appliance layout, the etching is a technology for removing materials by using chemical reaction or physical impact action, the etching can be used for manufacturing copper plates, zinc plates and other printing concave-convex plates at the earliest time, and also can be widely used for processing weight-reducing instrument panels, nameplates, thin workpieces and the like which are difficult to process by a traditional processing method.
Through mass search, it is found that in the etching apparatus for circuit board in the prior art, typically, the etching apparatus and the method for etching circuit board disclosed in the publication No. CN102256447B, a plurality of sensors are in one-to-one correspondence with a plurality of nozzles, and the sensors are used for sensing the position relationship between the circuit board and the nozzles corresponding to the sensors. The controller is electrically connected with the sensor and the valve, and is used for controlling the valve corresponding to the sensor to be opened and closed according to the sensing result of the sensor, so that whether the etching solution is sprayed by a nozzle which is positioned in the same spray pipe with the valve or not is controlled. Or the copper-clad circuit board etching process disclosed in the publication No. CN103781282B has the advantages that compared with the prior art, the etched circuit board does not have the problem of bridging connection of micro copper wires, the production cost is low, special etching liquid is not required to be configured, and the copper-clad plate is subjected to micro-etching treatment by adopting a mode of combining physical micro-etching and chemical micro-etching of a needle type plate brushing machine, so that the precision of the etching process is greatly improved.
Current etching device, usually by the manual support frame of placing the circuit board of taking of staff, and place inside the water storage storehouse, but manual placing not only leads to staff's working strength higher, and the easy misoperation of staff, lead to circuit board and water storage storehouse inner wall to collide mutually, cause the defective rate higher, current circuit board is placed when etching liquid is inside, the circuit board surface can be stained with the bubble, and current etching device lacks the bubble remove device, the bubble leads to etching liquid can not contact with the circuit board is comprehensive, influence the etching effect of etching liquid to the circuit board, influence circuit board quality, current etching device lacks etching liquid circulation filter equipment, when circuit board and etching liquid contact, the dust on circuit board surface can sneak into inside the etching liquid, lead to the etching liquid to receive the pollution, influence etching liquid quality.
Disclosure of Invention
The invention aims to provide a microstrip circuit board etching method and an improved device, which have the advantages of adding a bubble removing device and an etching solution circulating and filtering device and solve the problem of lacking the bubble removing device and the etching solution circulating and filtering device.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a microstrip circuit board etching improvement device, includes shell, apron, connecting pipe, through-hole and screw, the inside water storage storehouse that is provided with of shell, vibrating motor is installed to water storage storehouse lower extreme outer wall one side, water storage storehouse inner wall lower extreme is pegged graft respectively and is installed first rubber hose and second rubber hose, shell upper end outer wall one side is provided with the apron, vibrating motor is installed to water storage storehouse lower extreme outer wall one side, shell lower extreme outer wall one side is pegged graft and is installed the connecting pipe, the outer wall of connecting pipe both ends runs through the shell and is connected with first rubber hose and second rubber hose respectively.
Preferably, a second connecting block is mounted at the upper end of the outer wall of one side of the shell, and a screw hole is formed in the second connecting block;
the outer wall of one side of the shell, which is far away from the second connecting block, is symmetrically provided with first connecting blocks, and through holes are formed in the first connecting blocks;
the outer wall of the lower end of the water storage bin and the lower end of the inner wall of the shell are symmetrically provided with limiting blocks, the outer wall of one side of each limiting block is provided with a spring, the water storage bin is elastically connected with the lower end of the inner wall of the shell through the spring, and the stability of the vibration position of the water storage bin is ensured by the elasticity of the spring;
and supporting columns are arranged at four corners of the outer wall of the lower end of the shell.
Preferably, a fixing block is installed on the outer wall of one side of the cover plate, a bearing is embedded into the fixing block, a screw rod is rotatably installed inside the bearing, the screw rod is meshed inside the screw hole, and a handle is installed on the screw rod in a manner of penetrating through the outer wall of one side of the bearing;
the apron deviates from fixed block one side outer wall symmetry and installs the gag lever post, the gag lever post is located inside the through-hole, apron vertical migration stability has been guaranteed to gag lever post and through-hole.
Preferably, a supporting plate is arranged on one side of the outer wall of the lower end of the cover plate and is positioned in the water storage bin;
the outer walls of the two sides of the supporting plate are respectively provided with a supporting frame which is distributed in parallel at equal intervals, through holes which are distributed uniformly are formed in the supporting frame, the through holes are used for ensuring the circulation effect of the etching solution, the circuit board is uniformly placed in the supporting frame, and the stability of the storage position of the circuit board is ensured by the supporting frame;
the baffle is all installed to support frame both sides outer wall, the baffle has guaranteed that the circuit board is controlled to be located inside the support frame.
Preferably, the outer wall of one side of the connecting pipe is provided with a power pump in an inserting manner, the outer wall of one side, away from the power pump, of the connecting pipe is provided with a filter barrel in an inserting manner, a filter element is arranged in the filter barrel, and the filter element achieves the purpose of filtering etching liquid in the filter barrel;
a sealing cover is arranged on one side of the outer wall of the lower end of the filtering barrel, threads are arranged on one side of the inner wall of the sealing cover and the outer wall of one side of the filtering barrel, the sealing covers are meshed with the filtering barrel through the threads, and the meshing force generated by the threads guarantees the connection stability between the sealing covers and the filtering barrel;
the joint of one side of the outer wall of the lower end of the filter barrel is fixedly provided with a sealing gasket, and the sealing gasket ensures the connection sealing property between the sealing cover and the filter barrel.
An etching method of a microstrip circuit board is characterized in that: the method comprises the following steps:
the method comprises the following steps: after the worker pours the etching liquid into the water storage bin, the worker takes the circuit board and places the circuit board between the support frames, and the position stability of the circuit board is guaranteed;
step two: the screw rod is manually rotated by a worker, and when the screw rod rotates, the screw rod and the screw hole move relatively, and the cover plate is driven to move vertically, so that the supporting plate, the supporting frame and the circuit board move to the inside of the water storage bin, and the effect of etching the circuit board is achieved;
step three: when the vibrating motor works, the water storage bin and the etching solution are driven to vibrate, and the etching solution, the support frame and the circuit board collide with each other, so that water bubbles on the surface of the circuit board fall off, and the etching effect of the etching solution on the circuit board is ensured;
step four: the power pump pumps the etching liquid in the water storage bin through the first rubber hose and the connecting pipe, the etching liquid is transferred to the inside of the filter barrel and flows back to the inside of the water storage bin through the connecting pipe and the second rubber hose, and when the etching liquid penetrates through the filter element, the purpose of filtering the etching liquid is achieved, and the cleanliness of the etching liquid is ensured;
step five: the staff manually rotates sealed lid, and sealed lid takes place relative movement through the screw thread, breaks away from mutually with the filter vat until sealed lid to the staff can change the filter core.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the screw rod, the cover plate and the support plate are arranged, so that the effect of facilitating the movement of the circuit board is achieved, after an operator pours etching liquid into the water storage bin, the operator takes the circuit board and places the circuit board between the support frames, the position stability of the circuit board is ensured, the screw rod is manually rotated by the operator, the screw rod moves relative to the screw hole when rotating, and the cover plate is driven to vertically move, so that the support plate, the support frames and the circuit board move into the water storage bin, the effect of etching the circuit board is achieved, the manual support frame of the operator is avoided, the working strength of the operator is reduced, the circuit board is prevented from contacting with the inner wall of the water storage bin through the vertical movement of the cover plate and the support frame, and the circuit board is prevented from being damaged.
2. According to the invention, the vibration motor, the spring and the water storage bin are arranged, so that the effect of removing bubbles on the surface of the circuit board is achieved, when the vibration motor works, the water storage bin and the etching solution are driven to vibrate, the water storage bin ensures the stability of the vibration position through the spring and the limiting block, and the etching solution, the supporting frame and the circuit board collide with each other, so that the bubbles on the surface of the circuit board fall off, the etching solution can be ensured to be in full contact with the circuit board, the etching effect of the etching solution on the circuit board is ensured, and the etching quality of the circuit board is ensured.
3. According to the invention, the power pump, the filter barrel and the filter element are arranged, so that the effect of circularly filtering the etching solution is achieved, the power pump pumps the etching solution in the water storage bin through the first rubber hose and the connecting pipe, transmits the etching solution to the inside of the filter barrel, and reflows to the inside of the water storage bin through the connecting pipe and the second rubber hose, when the etching solution penetrates through the filter element, the purpose of filtering the etching solution is achieved, the cleanliness of the etching solution is ensured, the etching solution polluted by dust is prevented from repeatedly contacting with the circuit board, and the etching efficiency of the etching solution on the circuit board is ensured.
Drawings
FIG. 1 is a schematic cross-sectional view of the housing structure of the present invention;
FIG. 2 is a schematic rear view of the housing structure of the present invention;
FIG. 3 is a schematic top view of the cover plate structure of the present invention;
FIG. 4 is an enlarged schematic view of a connecting tube structure of the present invention;
FIG. 5 is an enlarged view of the filter cartridge of the present invention;
FIG. 6 is an enlarged view of the structure A of FIG. 2 according to the present invention;
FIG. 7 is an enlarged view of the structure B in FIG. 2 according to the present invention.
In the figure: 1. a housing; 11. a water storage bin; 12. a limiting block; 13. a support pillar; 14. a spring; 15. a first connection block; 16. a through hole; 17. a second connecting block; 18. a screw hole; 19. a first rubber hose; 110. a second rubber hose; 111. a vibration motor; 2. a cover plate; 21. a handle; 22. a support plate; 23. a support frame; 24. a through hole; 25. a baffle plate; 26. a limiting rod; 27. a fixed block; 28. a bearing; 29. a screw; 3. a connecting pipe; 31. a power pump; 32. a filter vat; 33. a filter element; 34. a sealing cover; 35. a thread; 36. and a gasket.
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.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" 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 "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 7, the present invention provides three embodiments:
the first embodiment is as follows: a microstrip circuit board etching method and an improved device comprise a shell 1, a cover plate 2, a connecting pipe 3, a through hole 16 and a screw hole 18, wherein a water storage bin 11 is arranged inside the shell 1, a vibration motor 111 is arranged on one side of the outer wall of the lower end of the water storage bin 11, a first rubber hose 19 and a second rubber hose 110 are respectively installed on the lower end of the inner wall of the water storage bin 11 in an inserted manner, the cover plate 2 is arranged on one side of the outer wall of the upper end of the shell 1, the vibration motor 111 is installed on one side of the outer wall of the lower end of the water storage bin 11, the connecting pipe 3 is installed on one side of the outer wall of the lower end of the shell 1 in an inserted manner, the outer walls of the two ends of the connecting pipe 3 penetrate through the shell 1 and are respectively connected with the first rubber hose 19 and the second rubber hose 110, a second connecting block 17 is installed on the upper end of the outer wall of one side of the shell 1, and the screw hole 18 is formed inside the second connecting block 17;
the outer wall of one side, away from the second connecting block 17, of the shell 1 is symmetrically provided with first connecting blocks 15, and through holes 16 are formed in the first connecting blocks 15;
the outer wall of the lower end of the water storage bin 11 and the lower end of the inner wall of the shell 1 are symmetrically provided with limiting blocks 12, the outer wall of one side of each limiting block 12 is provided with a spring 14, the water storage bin 11 is elastically connected with the lower end of the inner wall of the shell 1 through the spring 14, and the elastic force of the spring 14 ensures the stability of the vibration position of the water storage bin 11;
the four corners of the outer wall of the lower end of the shell 1 are provided with support columns 13, the outer wall of one side of the cover plate 2 is provided with a fixing block 27, a bearing 28 is embedded into the fixing block 27, a screw 29 is rotatably arranged in the bearing 28, the screw 29 is meshed into the screw hole 18, and the screw 29 penetrates through the outer wall of one side of the bearing 28 and is provided with a handle 21;
limiting rods 26 are symmetrically arranged on the outer wall of one side, away from the fixing block 27, of the cover plate 2, the limiting rods 26 are located inside the through holes 16, the limiting rods 26 and the through holes 16 guarantee the vertical movement stability of the cover plate 2, a supporting plate 22 is arranged on one side of the outer wall of the lower end of the cover plate 2, and the supporting plate 22 is located inside the water storage bin 11;
the outer walls of two sides of the supporting plate 22 are respectively provided with a supporting frame 23 which are equidistantly distributed in parallel, through holes 24 which are uniformly distributed are formed in the supporting frame 23, the through holes 24 are used for ensuring the circulation effect of the etching solution, the circuit board is uniformly placed in the supporting frame 23, and the stability of the storage position of the circuit board is ensured by the supporting frame 23;
baffle 25 is all installed to support frame 23 both sides outer wall, baffle 25 has guaranteed that the circuit board is controlled to be located inside support frame 23, the staff pours the etching liquid into to the 11 insides in reservoir bin after, the circuit board that the staff took is placed between support frame 23, guarantee circuit board position stability, staff's manual rotation screw rod 29, screw rod 29 takes place relative movement with screw 18 when rotating, and drive apron 2 emergence vertical migration, thereby make backup pad 22, support frame 23 and circuit board move to 11 insides in reservoir bin, the effect of etching the circuit board has been reached, avoid staff's manual support frame 23, staff's working strength has been reduced, through apron 2 and support frame 23 vertical migration, avoid circuit board and 11 inner walls in reservoir bin to contact, avoid the circuit board to receive the injury.
The second embodiment: a microstrip circuit board etching method and an improved device comprise a shell 1, a cover plate 2, a connecting pipe 3, a through hole 16 and a screw hole 18, wherein a water storage bin 11 is arranged in the shell 1, a vibration motor 111 is installed on one side of the outer wall of the lower end of the water storage bin 11, a first rubber hose 19 and a second rubber hose 110 are respectively installed on the lower end of the inner wall of the water storage bin 11 in an inserted manner, the cover plate 2 is arranged on one side of the outer wall of the upper end of the shell 1, the vibration motor 111 is installed on one side of the outer wall of the lower end of the water storage bin 11, the connecting pipe 3 is installed on one side of the outer wall of the lower end of the shell 1 in an inserted manner, the outer walls of the two ends of the connecting pipe 3 penetrate through the shell 1 and are respectively connected with the first rubber hose 19 and the second rubber hose 110, a second connecting block 17 is installed on the upper end of the outer wall of one side of the shell 1, and the screw hole 18 is formed in the second connecting block 17;
the outer wall of one side, away from the second connecting block 17, of the shell 1 is symmetrically provided with first connecting blocks 15, and through holes 16 are formed in the first connecting blocks 15;
the outer wall of the lower end of the water storage bin 11 and the lower end of the inner wall of the shell 1 are symmetrically provided with limiting blocks 12, the outer wall of one side of each limiting block 12 is provided with a spring 14, the water storage bin 11 is elastically connected with the lower end of the inner wall of the shell 1 through the spring 14, and the elastic force of the spring 14 ensures the stability of the vibration position of the water storage bin 11;
Example three: a microstrip circuit board etching method and an improved device thereof comprise a shell 1, a cover plate 2, a connecting pipe 3, a through hole 16 and a screw hole 18, wherein a water storage bin 11 is arranged in the shell 1, a vibration motor 111 is arranged on one side of the outer wall of the lower end of the water storage bin 11, a first rubber hose 19 and a second rubber hose 110 are respectively inserted and installed on the lower end of the inner wall of the water storage bin 11, the cover plate 2 is arranged on one side of the outer wall of the upper end of the shell 1, the vibration motor 111 is arranged on one side of the outer wall of the lower end of the water storage bin 11, the connecting pipe 3 is inserted and installed on one side of the outer wall of the lower end of the shell 1, the outer walls of the two ends of the connecting pipe 3 penetrate through the shell 1 and are respectively connected with the first rubber hose 19 and the second rubber hose 110, and a power pump 31 is inserted and installed on the outer wall of one side of the connecting pipe 3. The outer wall of one side of the connecting pipe 3, which is far away from the power pump 31, is provided with a filter barrel 32 in an inserted manner, a filter element 33 is arranged in the filter barrel 32, and the filter element 33 achieves the purpose of filtering etching liquid in the filter barrel 32;
a sealing cover 34 is arranged on one side of the outer wall of the lower end of the filter barrel 32, threads 35 are formed on one side of the inner wall of the sealing cover 34 and the outer wall of one side of the filter barrel 32, the sealing cover 34 is meshed with the filter barrel 32 through the threads 35, and the meshing force generated by the threads 35 ensures the connection stability between the sealing cover 34 and the filter barrel 32;
a sealing gasket 36 is fixedly attached to one side of the outer wall of the lower end of the filter barrel 32, the sealing gasket 36 ensures connection sealing performance between the sealing cover 34 and the filter barrel 32, the power pump 31 extracts etching liquid inside the water storage bin 11 through the first rubber hose 19 and the connecting pipe 3 and transmits the etching liquid to the inside of the filter barrel 32, the etching liquid flows back to the inside of the water storage bin 11 through the connecting pipe 3 and the second rubber hose 110, when the etching liquid penetrates through the filter element 33, the purpose of filtering the etching liquid is achieved, cleanliness of the etching liquid is ensured, repeated contact between the etching liquid after being polluted by dust and a circuit board is avoided, and etching efficiency of the circuit board by the etching liquid is ensured.
The working principle is as follows: after the staff poured the etching solution into 11 insides of reservoir storehouse, the staff circuit board of taking was placed between support frame 23, guaranteed circuit board positional stability, staff's manual rotation screw rod 29, took place relative movement with screw 18 when screw rod 29 rotated to drive apron 2 and take place vertical migration, thereby make backup pad 22, support frame 23 and circuit board remove to 11 insides of reservoir storehouse, reached and carried out the effect of etching to the circuit board.
When the vibrating motor 111 works, the water storage bin 11 and the etching solution are driven to vibrate, and the etching solution, the support frame 23 and the circuit board collide with each other, so that the water bubbles on the surface of the circuit board fall off, and the etching effect of the etching solution on the circuit board is ensured.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (4)
1. The utility model provides a microstrip circuit board etching improvement device, includes shell (1), apron (2), connecting pipe (3), through-hole (16) and screw (18), its characterized in that: a water storage bin (11) is arranged in the shell (1), a vibration motor (111) is installed on one side of the outer wall of the lower end of the water storage bin (11), a first rubber hose (19) and a second rubber hose (110) are respectively installed at the lower end of the inner wall of the water storage bin (11) in an inserted mode, a cover plate (2) is arranged on one side of the outer wall of the upper end of the shell (1), a connecting pipe (3) is installed on one side of the outer wall of the lower end of the shell (1) in an inserted mode, and the outer walls of the two ends of the connecting pipe (3) penetrate through the shell (1) and are respectively connected with the first rubber hose (19) and the second rubber hose (110); the outer wall of the connecting pipe (3) is sequentially provided with a power pump (31) and a filter barrel (32) in an inserting manner, a filter element (33) is placed in the filter barrel (32), and the purpose of filtering etching liquid in the filter barrel (32) is achieved by the filter element (33); a second connecting block (17) is mounted at the upper end of the outer wall of one side of the shell (1), and a screw hole (18) is formed in the second connecting block (17);
first connecting blocks (15) are symmetrically arranged on two sides of a second connecting block (17) at the upper end of the outer wall of one side of the shell (1), and through holes (16) are formed in the first connecting blocks (15); a fixing block (27) is installed on the outer wall of one side of the cover plate (2), a bearing (28) is installed in the fixing block (27) in an embedded mode, a screw rod (29) is installed in the bearing (28) in a rotating mode, the screw rod (29) is meshed in the screw hole (18), and a handle (21) is installed on the outer wall of one side, penetrating through the bearing (28), of the screw rod (29); limiting rods (26) are symmetrically arranged on the outer wall of one side of the cover plate (2) on two sides of the fixing block (27), the limiting rods (26) are located in the through holes (16), and the limiting rods (26) and the through holes (16) ensure the vertical movement stability of the cover plate (2);
the outer wall of the lower end of the water storage bin (11) and the inner wall of the lower end of the shell (1) are symmetrically provided with limit blocks (12), a spring (14) is arranged between the limit block of the outer wall of the lower end of the water storage bin (11) and the corresponding limit block (12) of the inner wall of the lower end of the shell (1), the water storage bin (11) is elastically connected with the inner wall of the lower end of the shell (1) through the spring (14), and the stability of the vibration position of the water storage bin (11) is ensured by the elasticity of the spring (14);
support columns (13) are installed at four corners of the outer wall of the lower end of the shell (1).
2. The microstrip circuit board etching improvement device according to claim 1, wherein: a supporting plate (22) is installed on one side of the outer wall of the lower end of the cover plate (2), and the supporting plate (22) is located inside the water storage bin (11);
the outer walls of two sides of the supporting plate (22) are respectively provided with a supporting frame (23) which are equidistantly distributed in parallel, through holes (24) which are uniformly distributed are formed in the supporting frame (23), the through holes (24) are used for ensuring the circulation effect of etching liquid, the circuit board is uniformly placed in the supporting frame (23), and the stability of the storage position of the circuit board is ensured by the supporting frame (23);
baffle (25) are all installed to support frame (23) both sides outer wall, baffle (25) have guaranteed that the circuit board is controlled to be located inside support frame (23).
3. The microstrip circuit board etching improvement device according to claim 2, wherein:
a sealing cover (34) is arranged on one side of the outer wall of the lower end of the filtering barrel (32), threads (35) are formed on one side of the inner wall of the sealing cover (34) and the outer wall of one side of the filtering barrel (32), the sealing cover (34) is meshed with the filtering barrel (32) through the threads (35), and the meshing force generated by the threads (35) ensures the connection stability between the sealing cover (34) and the filtering barrel (32);
the sealing device is characterized in that a sealing gasket (36) is fixedly attached to one side of the outer wall of the lower end of the filter barrel (32), and the sealing gasket (36) ensures the connection and the sealing performance between the sealing cover (34) and the filter barrel (32).
4. A microstrip circuit board etching method based on the microstrip circuit board etching improvement device of claim 3, characterized in that: the method comprises the following steps:
the method comprises the following steps: after the worker pours the etching solution into the water storage bin (11), the worker takes the circuit board and places the circuit board between the support frames (23), and the position stability of the circuit board is guaranteed;
step two: a worker manually rotates the screw rod (29), the screw rod (29) moves relative to the screw hole (18) when rotating, and drives the cover plate (2) to move vertically, so that the support plate (22), the support frame (23) and the circuit board move to the inside of the water storage bin (11), and the effect of etching the circuit board is achieved;
step three: when the vibrating motor (111) works, the water storage bin (11) and the etching solution are driven to vibrate, and the etching solution, the support frame (23) and the circuit board collide with each other, so that water bubbles on the surface of the circuit board fall off, and the etching effect of the etching solution on the circuit board is ensured;
step four: the power pump (31) pumps the etching solution in the water storage bin (11) through the first rubber hose (19) and the connecting pipe (3), the etching solution is transmitted to the inside of the filter barrel (32) and flows back to the inside of the water storage bin (11) through the connecting pipe (3) and the second rubber hose (110), and when the etching solution penetrates through the filter element (33), the purpose of filtering the etching solution is achieved, and the cleanliness of the etching solution is ensured;
step five: the sealing cover (34) is manually rotated by a worker, the sealing cover (34) moves relatively through the threads (35) until the sealing cover (34) is separated from the filter barrel (32), and therefore the filter element (33) can be replaced by the worker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110261718.6A CN113163611B (en) | 2021-03-10 | 2021-03-10 | Method for etching microstrip circuit board and improved device |
Applications Claiming Priority (1)
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