CN115548727A - Production method of stepped PCB and PCB adapted by same - Google Patents
Production method of stepped PCB and PCB adapted by same Download PDFInfo
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- CN115548727A CN115548727A CN202211232473.5A CN202211232473A CN115548727A CN 115548727 A CN115548727 A CN 115548727A CN 202211232473 A CN202211232473 A CN 202211232473A CN 115548727 A CN115548727 A CN 115548727A
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- pcb
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/70—Coupling devices
- H01R12/71—Coupling devices for rigid printing circuits or like structures
- H01R12/72—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures
- H01R12/73—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures connecting to other rigid printed circuits or like structures
- H01R12/732—Printed circuits being in the same plane
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/639—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap
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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
- H05K1/00—Printed circuits
- H05K1/02—Details
-
- 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
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/11—Printed elements for providing electric connections to or between printed circuits
- H05K1/117—Pads along the edge of rigid circuit boards, e.g. for pluggable connectors
-
- 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
- H05K1/00—Printed circuits
- H05K1/18—Printed circuits structurally associated with non-printed electric components
- H05K1/181—Printed circuits structurally associated with non-printed electric components associated with surface mounted components
-
- 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
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Mounting Of Printed Circuit Boards And The Like (AREA)
Abstract
The invention belongs to the technical field of PCBs (printed circuit boards), and particularly relates to a production method of a stepped PCB and a PCB adapted by the stepped PCB. According to the locking module, through the structural design of the locking module, after the stepped PCB mother board is connected with the stepped PCB male board, preliminary limitation is performed through the clamping strip and the elastic strip, when the stepped PCB mother board is installed, the clamping strip is limited through the first screw, the stepped PCB male board is further fixed, and the stability between the stepped PCB mother board and the stepped PCB male board is improved; through the structural design of extension piece, when welding components and parts on ladder PCB mother board or ladder PCB public board, because of components and parts's size is too big, when needing to protect it, make the extension piece install on the through-hole of reserving, if the elasticity extension rod height of installing additional does not exceed the height of components and parts, can install new elasticity extension rod again to this protects too high components and parts, and the safety of guarantee components and parts avoids damaging.
Description
Technical Field
The invention belongs to the technical field of PCBs (printed circuit boards), and particularly relates to a production method of a stepped PCB and a PCB adaptive to the stepped PCB.
Background
The PCB, which is called a printed circuit board in chinese, is an important electronic component, a support for electronic components, and a carrier for electrical interconnection of electronic components. It is called a "printed" circuit board because it is made using electronic printing.
For the stepped printed circuit board, there is no clear definition in the industry at present, and the definition is popular: in the manufacturing process of the printed circuit board, the local area of the printed circuit board is formed with areas (grooves or steps) with different heights by laminating, plate milling and the like. However, the traditional stepped PCB board form adopts an integral design or a split design, the integral design has low material utilization rate and high cost for the PCB, and the split design easily causes unstable electrical performance.
Disclosure of Invention
The invention aims to provide a production method of a stepped PCB and a PCB adaptive to the method, which can effectively and fixedly connect the stepped PCB designed in a split mode, improve the connection stability, and simultaneously can perform anti-oxidation protection on a slot before splicing, avoid the oxidation of a contact piece in the slot and ensure the stability of the electrical performance.
The technical scheme adopted by the invention is as follows:
a stepped PCB panel comprising:
the PCB comprises a stepped PCB motherboard, wherein a plurality of slots are formed in the stepped PCB motherboard;
the PCB structure comprises a plurality of ladder PCB male boards, wherein one ends of the ladder PCB male boards are provided with plugs matched with slots, the plugs are inserted in the slots, and the ladder PCB male boards are electrically connected with a ladder PCB mother board;
one end of the golden finger connecting plate is inserted into the slot, and the golden finger connecting plate is electrically connected with the stepped PCB motherboard;
the locking modules are arranged on the stepped PCB mother board and are close to the slots, and the locking modules are used for fastening the stepped PCB male board and the golden finger connecting board on the stepped PCB mother board;
the extension piece is provided with a plurality ofly, a plurality of through-holes have been seted up to the inside of ladder PCB mother board and the public board of ladder PCB, and is a plurality of the extension piece sets up respectively inside a plurality of through-holes, the extension piece is used for protecting the components and parts on ladder PCB mother board and the public board of ladder PCB.
As a preferable scheme of the stepped PCB of the present invention, wherein: the locking module comprises a clamping strip, an elastic strip, a limiting strip and a first screw;
card strip sliding connection is inside the slot of ladder PCB mother board, the elasticity strip is fixed in the one side that the card strip is close to the slot inner wall, spacing is fixed in the one side that the card strip is close to the elasticity strip, the both ends of ladder PCB mother board slot inside and the position department that is close to spacing have all seted up logical groove, first screw runs through logical groove and spacing contact.
As a preferable scheme of the stepped PCB of the present invention, wherein: a plurality of assorted draw-in grooves are all seted up on the surface of public board of ladder PCB and golden finger connecting plate and the position department that is close to the card strip.
As a preferable scheme of the stepped PCB of the present invention, wherein: work as when ladder PCB public board or golden finger connecting plate insert the inside slot of ladder PCB mother board, make elasticity strip atress produces deformation, card strip joint is on the draw-in groove, is fixing during the ladder PCB mother board, make first screw runs through logical groove and prescribes a limit to ladder PCB mother board, makes simultaneously first screw is prescribes a limit to spacing, avoids card strip breaks away from with the draw-in groove.
As a preferable scheme of the stepped PCB of the present invention, wherein: the distance between the two through grooves close to the two ends of the plug is equal to the length of the plug plus the width of the two clamping strips, and the distance between the two through grooves close to the two ends of the golden finger connecting plate is equal to the length of the golden finger connecting plate plus the width of the two clamping strips.
As a preferable scheme of the stepped PCB of the present invention, wherein: the locking module comprises a clamping block, an elastic clamping hook and a second screw, the clamping block is slidably connected to the inside of the stepped PCB mother board and is close to the position of the slot, the elastic clamping hook is fixed to the inside of the clamping block, a through groove is also formed in the position of the inside of the stepped PCB mother board and is close to the clamping block, and the second screw penetrates through the through groove and contacts with the clamping block.
As a preferable scheme of the stepped PCB of the present invention, wherein: the expansion piece comprises a convex rod, an elastic extension rod, a clamping rod and a circular ring;
the protruding rod penetrates through the through hole, the clamping rod is inserted in the protruding rod, the elastic extension rod is fixed at one end, far away from the protruding rod, of the clamping rod, the circular ring is connected to the outer side of the elastic extension rod in a sliding mode, and the circular ring is connected with the protruding rod in a sliding mode
As a preferable scheme of the stepped PCB of the present invention, wherein: the circular ring and the convex rod are in interference fit.
As a preferable scheme of the stepped PCB of the present invention, wherein: the material of the convex rod is rubber.
A production method of a stepped PCB board is used for the stepped PCB board and comprises the following steps:
the first step is as follows: grabbing the cutter, and measuring the distance between the cutter tip and the pressure foot pad;
the second step is that: measuring the edge length and compensating;
the third step: move to the PCB surface to compensate the distance from the tool nose to the pressure foot pad
The fourth step: carrying out depth routing;
the fifth step: drilling a blank area of the PCB surface to form a reserved through hole;
sixthly, forming a plurality of slots on the PCB;
seventhly, installing locking modules at two ends of the slot;
and eighthly, all opening the through grooves at the two ends of the inner parts of the slots on the PCB, which are close to the locking module.
The invention has the technical effects that:
according to the locking module, through the structural design of the locking module, after the stepped PCB mother board is connected with the stepped PCB male board, preliminary limitation is performed through the clamping strip and the elastic strip, when the stepped PCB mother board is installed, the clamping strip is limited through the first screw, the stepped PCB male board is further fixed, and the stability between the stepped PCB mother board and the stepped PCB male board is improved;
according to the invention, through the structural design of the extension piece, when the components are welded on the ladder PCB mother board or the ladder PCB male board, the sizes of the components are too large and exceed the height of the ladder, when the components need to be protected, the extension piece is installed on the reserved through hole, and if the height of the additionally installed elastic extension rod does not exceed the height of the components, a new elastic extension rod can be additionally installed again, so that the excessively high components are protected, the safety of the components is ensured, and the damage is avoided.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an exploded view of the present invention;
FIG. 3 is a schematic view of a ladder PCB motherboard separated from a locking module;
FIG. 4 is a cross-sectional view of a stepped PCB motherboard;
FIG. 5 is an enlarged view at A in FIG. 4;
FIG. 6 is a schematic view of a second locking module of the present invention separated from a golden finger connecting plate;
FIG. 7 is a schematic view of a second locking module connected to a golden finger connecting plate;
FIG. 8 is a cross-sectional view of a second locking module;
FIG. 9 is a cross-sectional view of a portion of an extender of the present invention;
fig. 10 is a schematic structural view of the first oxidation preventing bar of the present invention separated from the insert pin;
FIG. 11 is a schematic view of the connection structure of the gold finger connecting plate and the stepped PCB motherboard according to the present invention;
FIG. 12 is a schematic view of the connection structure between the golden finger connecting plate and the protection module according to the present invention;
fig. 13 is an enlarged view of the invention at B in fig. 8.
In the drawings, the components represented by the respective reference numerals are listed below:
1. a stepped PCB motherboard; 2. a stepped PCB male plate; 3. a golden finger connecting plate; 11. clamping the strip; 12. an elastic strip; 13. a limiting strip; 14. a first screw; 21. a clamping block; 22. an elastic hook; 23. a second screw; 31. a nose bar; 32. an elastically extending rod; 33. a clamping rod; 34. a circular ring; 41. a rod is inserted; 42. a first oxidation preventing bar; 51. a second oxidation prevention bar; 52. a connecting rod; 53. a slider; 54. a spring plate; 55. an elastic card.
Detailed Description
In order that the objects and advantages of the invention will be more clearly understood, the following description is given in conjunction with the accompanying examples. It is to be understood that the following text is merely illustrative of one or more specific embodiments of the invention and does not strictly limit the scope of the invention as specifically claimed.
Implement one
As shown in fig. 1 to 3, a ladder PCB comprises a ladder PCB mother board 1, ladder PCB male boards 2, golden finger connecting boards 3 and locking modules, wherein a plurality of slots are formed in the ladder PCB mother board 1, the ladder PCB male boards 2 are provided with a plurality of pins, the pins matched with the slots are arranged at one ends of the ladder PCB male boards 2 and are inserted into the slots, the pins are inserted into the slots, the ladder PCB male boards 2 are electrically connected with the ladder PCB mother board 1, one ends of the golden finger connecting boards 3 are inserted into the slots, the golden finger connecting boards 3 are electrically connected with the ladder PCB mother board 1, the locking modules are arranged in a plurality of numbers, the locking modules are arranged on the ladder PCB mother board 1 and are close to the slots, and the locking modules are used for fastening the ladder PCB male boards 2 and the golden finger connecting boards 3 on the ladder PCB board 1.
When the ladder PCB mother board 1 is installed, the ladder PCB male board 2 or the golden finger connecting board 3 is fixed with the ladder PCB mother board 1 through the locking module, and the ladder PCB male board 2 or the golden finger connecting board 3 is fixed with the ladder PCB mother board 1 through the locking module again, so that the connection stability between the ladder PCB male board 2 or the golden finger connecting board 3 and the ladder PCB mother board 1 is improved.
As shown in fig. 4 and 5, the locking module comprises a clamping strip 11, an elastic strip 12, a limiting strip 13 and a first screw 14;
Further, assorted draw-in grooves have all been seted up on the surface of the public board 2 of a plurality of ladder PCBs and golden finger connecting plate 3 and the position department that is close to card strip 11, are convenient for card strip 11 and the public board 2 of ladder PCB or the 3 joint of golden finger connecting plate to be injectd.
It should be noted that, when the male ladder PCB 2 or the golden finger connecting plate 3 is inserted into the slot of the female ladder PCB 1, the elastic strip 12 is deformed by force, the clamping strip 11 is clamped on the clamping slot, when the female ladder PCB 1 is fixed, the first screw 14 penetrates through the through slot to limit the female ladder PCB 1, and the first screw 14 limits the limiting strip 13 to prevent the clamping strip 11 from being separated from the clamping slot, the male ladder PCB 2 or the golden finger connecting plate 3 is limited to the female ladder PCB 1 for the first time when the male ladder PCB 1 is inserted, so that the position of the male ladder PCB 2 or the golden finger connecting plate 3 can be conveniently adjusted or replaced, when the female ladder PCB 1 is installed, the male ladder PCB 2 or the golden finger connecting plate 3 is prevented from being separated from the female ladder PCB 1 by fixing the first screw 14 and limiting the limiting strip 13 by the first screw 14.
It is worth mentioning that, the distance between two logical grooves near the plug both ends equals the length of plug plus two width of card strip 11, the distance between two logical grooves near the 3 both ends of golden finger connecting plate equals the length of golden finger connecting plate 3 plus two width of card strip 11, can be when first screw 14 is injectd spacing strip 13, first screw 14 is injectd the position of card strip 11, avoid card strip 11 at the inside lateral shifting of slot, fixed stability has been ensured.
Specifically, when making public board 2 of ladder PCB or golden finger connecting plate 3 insert the inside slot of ladder PCB mother board 1, make elasticity strip 12 atress compression, make card strip 11 joint in the draw-in groove simultaneously, elasticity through elasticity strip 12, tentatively prescribe a limit to public board 2 of ladder PCB or golden finger connecting plate 3, the adjustment and the change of public board 2 of ladder PCB or golden finger connecting plate 3 of can being convenient for, when making ladder PCB mother board 1 install on quick-witted case or switch board, run through logical groove through first screw 14, first screw 14 is connected with quick-witted case or switch board, fix ladder PCB mother board 1, first screw 14 prescribes a limit to spacing 13 and card strip 11 simultaneously, avoid spacing 13 and card strip 11 to produce the displacement, promote fixed stability.
Example two
Referring to fig. 6 to 8, a second embodiment of the present invention is shown, and the present embodiment is further improved on the basis of the first embodiment, and the difference between the first embodiment and the second embodiment is the difference of the locking module.
As shown in fig. 6 to 8, the locking module includes a fixture block 21, an elastic hook 22 and a second screw 23, the fixture block 21 is slidably connected to the inside of the stepped PCB motherboard 1 and is close to the slot, the elastic hook 22 is fixed to the inside of the fixture block 21, a through slot is also formed in the inside of the stepped PCB motherboard 1 and is close to the fixture block 21, and the second screw 23 penetrates through the through slot and contacts with the fixture block 21.
Further, the surfaces of the plurality of ladder PCB male boards 2 and the golden finger connecting boards 3 and the positions close to the elastic hooks 22 are provided with matched clamping grooves, so that the elastic hooks 22 are conveniently clamped with the ladder PCB male boards 2 or the golden finger connecting boards 3.
Specifically, when the ladder PCB male plate 2 or the golden finger connecting plate 3 is inserted into the slot, the clamping block 21 is moved to drive the elastic clamping hook 22 to move to the upper portion of the ladder PCB male plate 2 or the golden finger connecting plate 3, the elastic clamping hook 22 is clamped and limited with the ladder PCB male plate 2 or the golden finger connecting plate 3 to be fixed for the first time, when the ladder PCB motherboard 1 is installed on the chassis or the control cabinet, the second screw 23 penetrates through the through groove to be connected with the chassis or the control cabinet to fix the ladder PCB motherboard 1, meanwhile, the first screw 14 limits the clamping block 21, the elastic clamping hook 22 is prevented from being separated from the clamping groove, the stability of fixing is improved, the ladder PCB male plate 2 or the golden finger connecting plate 3 is prevented from falling off from the inside of the slot, when the ladder PCB male plate 2 or the golden finger connecting plate 3 is disassembled, the second screw 23 is rotated to cancel the limitation on the clamping block 21, the elastic clamping hook 22 is moved to separate the elastic clamping hook 22 from the ladder PCB male plate 2 or the golden finger connecting plate 3, the clamping block 21 is moved to drive the elastic clamping hook 22 to be away from the ladder male plate 2 or the golden finger connecting plate 3, and further cancel the limitation on the disassembly of the PCB connecting plate.
As shown in fig. 10, a plurality of anti-oxidation modules are arranged inside the slot, the anti-oxidation modules are used for preventing oxidation of the surface of the slot, each anti-oxidation module includes two insertion rods 41 and a first anti-oxidation bar 42, the two insertion rods 41 are respectively rotatably connected to the surface of the stepped PCB motherboard 1 and are respectively located at two ends of the slot, and the first anti-oxidation bar 42 is inserted into one end of the insertion rod 41 far away from the stepped PCB motherboard 1.
It should be noted that a circular groove is formed in the first oxidation preventing bar 42 at a position close to the insert rod 41, the insert rod 41 is inserted into the circular groove, and the diameter of the circular groove is smaller than the diameter of the insert rod 41, so that when the insert rod 41 is inserted into the first oxidation preventing bar 42, the friction between the insert rod 41 and the first oxidation preventing bar 42 is increased, and the stability of connection between the insert rod 41 and the first oxidation preventing bar 42 is ensured.
Specifically, when the slot was not used, rotate first anti-oxidation strip 42, make first anti-oxidation strip 42 paste on the inside conductive contact piece of slot, reduce the area of contact with oxygen, and then reduce the time of being oxidized, simultaneously, when the inside conductive contact piece of slot was oxidized, remove first anti-oxidation strip 42 and keep away from inserted bar 41, make first anti-oxidation strip 42 and inserted bar 41 separation, use first anti-oxidation strip 42 to clean the region that conductive contact piece was oxidized, get rid of the oxide layer.
As shown in fig. 11 to 13, a protection module is disposed on the surface of the golden finger connecting plate 3, the protection module includes a second anti-oxidation strip 51, two connecting rods 52, two sliding blocks 53, two elastic sheets 54 and a plurality of elastic clamping pieces 55, the two sliding blocks 53 are respectively and slidably connected to two ends of the golden finger connecting plate 3, the two connecting rods 52 are respectively and rotatably connected to one ends of the two sliding blocks 53 far away from the golden finger connecting plate 3, the two elastic sheets 54 are respectively fixed inside two ends of the golden finger connecting plate 3 and near the positions of the sliding blocks 53, the second anti-oxidation strip 51 is clamped between the two connecting rods 52, and the plurality of elastic clamping pieces 55 are all fixed to one ends of the second anti-oxidation strip 51 far away from the connecting rods 52.
Specifically, when the gold finger connecting plate 3 is not used, the second oxidation preventing strip 51 is rotated to make the second oxidation preventing strip 51 stick to the conductive contact sheet of the gold finger connecting plate 3, so as to reduce the contact area with oxygen, the elastic card 55 is connected with the gold finger connecting plate 3 in a clamping manner, meanwhile, the elastic sheet 54 is extruded by the slide block 53, the elastic sheet 54 generates elasticity when being extruded, the slide block 53 is kept away from the elastic card 55, the elastic card 55 is tightly attached to the gold finger connecting plate 3 to improve the stability of fixing the second oxidation preventing strip 51, the elastic card 55 is moved when the gold finger connecting plate 3 is used, so that the elastic card 55 is separated from the gold finger connecting plate 3, the second oxidation preventing strip 51 is rotated to separate the second oxidation preventing strip 51 from the conductive contact sheet of the gold finger connecting plate 3, so that the gold finger connecting plate 3 can be connected in an inserting manner, when the conductive contact sheet of the gold finger connecting plate 3 is oxidized, the connecting rod 52 can be moved out from the interior of the second oxidation preventing strip 51, so that the second oxidation preventing strip 51 is separated from the connecting rod 52, the oxidation preventing strip 51 is used to wipe the area where the oxidation preventing layer is oxidized, and the oxidation preventing strip 51 is removed.
EXAMPLE III
Referring to fig. 9, a third embodiment of the present invention provides a stepped PCB, further including a plurality of expansion members, wherein a plurality of through holes are formed in the stepped PCB motherboard 1 and the stepped PCB male board 2, the plurality of expansion members are respectively disposed in the plurality of through holes, and the expansion members are used for protecting components on the stepped PCB motherboard 1 and the stepped PCB male board 2.
Specifically, when protecting components and parts that exceed ladder PCB mother board 1 or ladder PCB public board 2 height, make the extension piece install at the through-hole, protect components and parts, if the height of an extension piece is not enough when protecting, make two extension pieces superpose each other for promote the height, protect components and parts, can be according to practical need, a plurality of extension pieces of superpose each other.
In a preferred embodiment, referring to fig. 9, the extension member comprises a protruding rod 31, a flexible extension rod 32, a locking rod 33 and a ring 34;
the protruding rod 31 penetrates through the through hole, the clamping rod 33 is inserted into the protruding rod 31, the elastic extension rod 32 is fixed at one end, far away from the protruding rod 31, of the clamping rod 33, the circular ring 34 is connected to the outer side of the elastic extension rod 32 in a sliding mode, and the circular ring 34 is connected with the protruding rod 31 in a sliding mode.
The protruding rod 31 is made of rubber, and the clamping rod 33 can be conveniently inserted into the protruding rod 31 due to the deformable characteristic of the rubber, so that the difficulty of insertion is reduced.
It is worth mentioning that, interference fit is adopted between the circular ring 34 and the protruding rod 31, so that the friction force between the circular ring 34 and the protruding rod 31 is improved, the connection stability between the circular ring 34 and the protruding rod 31 is enhanced, the clamping rod 33 inside the protruding rod 31 can be limited, the clamping rod 33 is prevented from easily falling off from the inside of the protruding rod 31, and the connection stability between the protruding rod 31 and the clamping rod 33 is guaranteed.
Specifically, when welding components and parts on ladder PCB mother board 1 or ladder PCB public board 2, when too big because of components and parts's size, the height of ladder has been surpassed, when needing to protect it, make protruding pole 31 pass the inside through-hole of reserving of ladder PCB mother board 1 or ladder PCB public board 2, the inside of protruding pole 31 is inserted to kelly 33, remove ring 34, make ring 34 remove to the outside of protruding pole 31 and be close to the position department of elasticity extension rod 32, make ring 34 fix the inside kelly 33 of protruding pole 31, if the elasticity extension rod 32 who installs additional highly does not surpass the height of components and parts, can install new elasticity extension rod 32 once more, install according to the above-mentioned mode, protect too high components and parts with this, ensure the safety of components and parts, avoid damaging.
The working principle of the invention is as follows: when the ladder PCB male board 2 is inserted into the slot, or the golden finger connecting board 3 is inserted into the slot, the ladder PCB male board 2 or the golden finger connecting board 3 is fixed on the ladder PCB mother board 1 through the locking module, when the ladder PCB mother board 1 is installed, the ladder PCB male board 2 or the golden finger connecting board 3 is installed and fixed through the locking module, meanwhile, the ladder PCB male board 2 or the golden finger connecting board 3 is fixed with the ladder PCB mother board 1 through the locking module, the stability of connection between the ladder PCB male board 2 or the golden finger connecting board 3 and the ladder PCB mother board 1 is improved, when components exceeding the height of the ladder PCB mother board 1 or the ladder PCB male board 2 are protected, the extension pieces are installed in the through holes to protect the components, if the height of one extension piece is not enough to protect, the two extension pieces are mutually overlapped to improve the height, the components are protected, a plurality of extension pieces can be mutually overlapped according to practical requirements, the safety of the components is guaranteed, and the damage of the components is avoided.
The invention also discloses a production method of the stepped PCB, which comprises the following steps:
the first step is as follows: grabbing the cutter, and measuring the distance between the cutter tip and the pressure foot pad;
the second step is that: measuring the edge length and compensating;
the third step: move to the PCB surface to compensate the distance from the tool nose to the pressure foot pad
The fourth step: carrying out depth routing;
the fifth step: drilling a blank area of the PCB surface to form a reserved through hole;
sixthly, forming a plurality of slots on the PCB;
seventhly, installing locking modules at two ends of the slot;
and eighthly, both ends inside the slots on the PCB are provided with through grooves at positions close to the locking module.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and these improvements and modifications should also be construed as the protection scope of the present invention. Structures, devices, and methods of operation not specifically described or illustrated herein are not specifically illustrated or described, but are instead contemplated to be practiced in the art by those skilled in the art.
Claims (10)
1. A ladder PCB board which is characterized in that: the method comprises the following steps:
the PCB structure comprises a stepped PCB mother board (1), wherein a plurality of slots are formed in the stepped PCB mother board (1);
the multiple ladder PCB male boards (2) are arranged, one ends of the multiple ladder PCB male boards (2) are respectively provided with a plug matched with the slot, the plugs are inserted into the slots, and the multiple ladder PCB male boards (2) are electrically connected with the ladder PCB mother board (1);
one end of the golden finger connecting plate (3) is inserted into the slot, and the golden finger connecting plate (3) is electrically connected with the stepped PCB mother board (1);
the locking modules are arranged on the stepped PCB mother board (1) and are close to the slots, and the locking modules are used for enabling the stepped PCB male board (2) and the golden finger connecting board (3) to be fastened on the stepped PCB mother board (1);
the extension piece is provided with a plurality ofly, a plurality of through-holes have been seted up to the inside of public board (2) of ladder PCB mother board (1) and ladder PCB, and is a plurality of the extension piece sets up respectively inside a plurality of through-holes, the extension piece is used for protecting components and parts on public board (2) of ladder PCB mother board (1) and ladder PCB.
2. The stepped PCB of claim 1, wherein: the locking module comprises a clamping strip (11), an elastic strip (12), a limiting strip (13) and a first screw (14);
card strip (11) sliding connection is inside the slot of ladder PCB mother board (1), elasticity strip (12) are fixed in card strip (11) and are close to one side of slot inner wall, one side that card strip (11) are close to elasticity strip (12) is fixed in spacing strip (13), logical groove has all been seted up to the both ends of ladder PCB mother board (1) slot inside and the position department of being close to spacing strip (13), first screw (14) run through logical groove and spacing strip (13) contact.
3. The stepped PCB of claim 2, wherein: a plurality of matched clamping grooves are formed in the surfaces of the ladder PCB male plate (2) and the golden finger connecting plate (3) and at the positions close to the clamping strips (11).
4. The stepped PCB of claim 2, wherein: work as ladder PCB public board (2) or golden finger connecting plate (3) insert the inside time of slot of ladder PCB mother board (1), make elasticity strip (12) atress produces deformation, card strip (11) joint is on the draw-in groove, fixed during ladder PCB mother board (1), make first screw (14) run through logical groove and inject ladder PCB mother board (1), make simultaneously first screw (14) are injectd spacing (13), avoid card strip (11) and draw-in groove break away from.
5. The method of claim 2, wherein the step PCB comprises: the distance between the two through grooves close to the two ends of the plug is equal to the length of the plug plus the width of the two clamping strips (11), and the distance between the two through grooves close to the two ends of the golden finger connecting plate (3) is equal to the length of the golden finger connecting plate (3) plus the width of the two clamping strips (11).
6. The stepped PCB of claim 1, wherein: the locking module comprises a clamping block (21), an elastic clamping hook (22) and a second screw (23), the clamping block (21) is connected to the position, close to the slot, inside the stepped PCB mother board (1) in a sliding mode, the elastic clamping hook (22) is fixed to the inside of the clamping block (21), a through groove is formed in the position, close to the clamping block (21), inside the stepped PCB mother board (1), and the second screw (23) penetrates through the through groove and contacts with the clamping block (21).
7. The stepped PCB panel of claim 1, wherein: the expansion piece comprises a convex rod (31), an elastic extension rod (32), a clamping rod (33) and a circular ring (34);
protruding pole (31) run through the through-hole, kelly (33) are pegged graft in the inside of protruding pole (31), elasticity extension rod (32) are fixed and are kept away from the one end of protruding pole (31) in kelly (33), ring (34) sliding connection is in the outside of elasticity extension rod (32), just ring (34) and protruding pole (31) sliding connection.
8. The stepped PCB of claim 7, wherein: the circular ring (34) and the convex rod (31) are in interference fit.
9. The stepped PCB panel of claim 7, wherein: the protruding rod (31) is made of rubber.
10. A method for manufacturing a stepped PCB panel, applied to the stepped PCB panel of any one of claims 1 to 9, comprising the steps of:
the first step is as follows: the cutter grabbing device is used for measuring the distance between the cutter tip and the pressure foot pad;
the second step is that: measuring the edge length and compensating;
the third step: move to the PCB surface to compensate the distance from the tool nose to the pressure foot pad
The fourth step: carrying out depth routing;
the fifth step: drilling a blank area of the PCB surface to form a reserved through hole;
sixthly, forming a plurality of slots on the PCB;
seventhly, installing locking modules at two ends of the slot;
and eighthly, both ends inside the slots on the PCB are provided with through grooves at positions close to the locking module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211232473.5A CN115548727A (en) | 2022-10-10 | 2022-10-10 | Production method of stepped PCB and PCB adapted by same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211232473.5A CN115548727A (en) | 2022-10-10 | 2022-10-10 | Production method of stepped PCB and PCB adapted by same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115548727A true CN115548727A (en) | 2022-12-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211232473.5A Pending CN115548727A (en) | 2022-10-10 | 2022-10-10 | Production method of stepped PCB and PCB adapted by same |
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| Country | Link |
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| CN (1) | CN115548727A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116204057A (en) * | 2023-05-05 | 2023-06-02 | 深圳市桑格尔科技股份有限公司 | Assembly component in computer server |
-
2022
- 2022-10-10 CN CN202211232473.5A patent/CN115548727A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116204057A (en) * | 2023-05-05 | 2023-06-02 | 深圳市桑格尔科技股份有限公司 | Assembly component in computer server |
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