CN108260296B - Press-fit welding jig and method for special-shaped element of flexible circuit board - Google Patents
Press-fit welding jig and method for special-shaped element of flexible circuit board Download PDFInfo
- Publication number
- CN108260296B CN108260296B CN201711277988.6A CN201711277988A CN108260296B CN 108260296 B CN108260296 B CN 108260296B CN 201711277988 A CN201711277988 A CN 201711277988A CN 108260296 B CN108260296 B CN 108260296B
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- China
- Prior art keywords
- special
- cover plate
- aluminum alloy
- shaped element
- circuit board
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Links
- 238000003466 welding Methods 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000003825 pressing Methods 0.000 claims abstract description 49
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 46
- 239000000758 substrate Substances 0.000 claims abstract description 38
- 239000010935 stainless steel Substances 0.000 claims description 15
- 229910001220 stainless steel Inorganic materials 0.000 claims description 15
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 239000002969 artificial stone Substances 0.000 claims description 5
- 229910000679 solder Inorganic materials 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 3
- 230000002159 abnormal effect Effects 0.000 claims description 2
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 208000010727 head pressing Diseases 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- ORQBXQOJMQIAOY-UHFFFAOYSA-N nobelium Chemical compound [No] ORQBXQOJMQIAOY-UHFFFAOYSA-N 0.000 description 8
- 230000000694 effects Effects 0.000 description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 1
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
- H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
- H05K3/32—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
- H05K3/34—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by soldering
-
- 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
- H05K2203/02—Details related to mechanical or acoustic processing, e.g. drilling, punching, cutting, using ultrasound
- H05K2203/0278—Flat pressure, e.g. for connecting terminals with anisotropic conductive adhesive
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Insulated Metal Substrates For Printed Circuits (AREA)
- Connection Of Plates (AREA)
Abstract
The invention relates to a press-fit welding jig for special-shaped elements of a flexible circuit board, which comprises the following components: base, aluminum alloy base plate, press head, press post and apron. In the press-fit welding jig for the special-shaped element of the flexible circuit board, the positioning column is arranged on the base for fixedly mounting the aluminum alloy substrate, the avoiding mechanism is arranged on the aluminum alloy substrate and matched with the special-shaped element, the cover plate is fixedly connected with a plurality of pressing columns, the lower ends of the pressing columns are fixedly connected with the pressing heads, and when the cover plate is covered, the pressing heads press the special-shaped element; the invention also provides a press-fit welding method of the special-shaped element of the flexible circuit board. Through the fixture and the method, the contact between the special-shaped element and the flexible circuit board is stable and reliable, the problems of deflection, warpage, cold joint, even stripping and falling of the special-shaped element in the subsequent welding process are avoided, and the welding quality and the production efficiency are improved.
Description
Technical Field
The invention relates to the field of flexible circuits, in particular to a press-fit welding jig and method for special-shaped elements of a flexible circuit board.
Background
Along with the rapid development of electronic components, the structure of the element on the flexible circuit board presents a development trend of diversification and complicacy, and for the special-shaped element (different from the element which is in a plane shape in general and is in a certain three-dimensional shape) which needs to be installed on the flexible circuit board, if a conventional mounting and welding mode is adopted, the problems of element deviation, warpage, rosin joint, tin connection, easy stripping and falling and the like can possibly occur, the welding quality cannot be ensured, the product quality is directly influenced or the waste of production materials is caused, the mass production and the manufacturing are not possible, and the production efficiency is low.
Disclosure of Invention
In order to solve the technical problems, the invention provides a press-fit welding jig for special-shaped elements of a flexible circuit board.
The invention also provides a press-fit welding method of the special-shaped element of the flexible circuit board.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a press-fit welding jig for a special-shaped element of a flexible circuit board comprises: the novel aluminum alloy pressing device comprises a base, an aluminum alloy substrate, a pressing head, a pressing column and a cover plate, wherein a positioning column is arranged on the base, a positioning hole matched with the positioning column and an avoidance structure matched with a special-shaped element are formed in the aluminum alloy substrate, the lower end of the pressing column is fixedly connected with the pressing head, a plurality of through holes are formed in the cover plate and matched with the upper end of the pressing column, and a spring sleeved on the pressing column is arranged between the cover plate and the pressing head.
In a preferred embodiment, the cover plate is provided with a lock catch, and the cover plate is pressed down, so that the lock catch can be completely pressed and buckled on the aluminum alloy substrate.
In a preferred embodiment, the aluminum alloy substrate is a magnetic aluminum alloy substrate and the cover plate is a stainless steel cover plate.
In a preferred embodiment, it further comprises a stiffening plate, which is arranged on the back of the profiled element leg position.
In a preferred embodiment, the pressing head is a synthetic stone pressing head.
A press-fit welding method of a special-shaped element of a flexible circuit board comprises the following steps:
s1: fixedly mounting an aluminum alloy substrate on a base;
s2: fixing the flexible circuit board on an aluminum alloy substrate, printing solder paste, and attaching special-shaped elements by a chip mounter to enable the special-shaped elements to be matched with avoidance structures on the aluminum alloy substrate;
s3: the cover plate is covered, so that the pressing column fixedly connected with the cover plate and the pressing head at the lower end of the pressing column press the special-shaped element.
In a preferred embodiment, step S4 is further included after step S3;
s4: the cover plate is pressed down to a certain extent, and the lock catch fixedly connected with the cover plate is completely buckled on the aluminum alloy substrate, so that the press fit installation of the special-shaped element of the flexible circuit board can be completed.
In a preferred embodiment, in step S3, the aluminum alloy substrate is a magnetic aluminum alloy substrate, the cover plate is a stainless steel cover plate, and the magnetic aluminum alloy substrate attracts the stainless steel cover plate to press down.
The beneficial effects of the invention are as follows:
in the press-fit welding jig for the special-shaped element of the flexible circuit board, the positioning column is arranged on the base for fixedly mounting the aluminum alloy substrate, the avoiding mechanism is arranged on the aluminum alloy substrate and matched with the special-shaped element, the cover plate is fixedly connected with a plurality of pressing columns, the lower ends of the pressing columns are fixedly connected with the pressing heads, and when the cover plate is covered, the pressing heads press the special-shaped element; the invention also provides a press-fit welding method of the special-shaped element of the flexible circuit board. Through the fixture and the method, the contact between the special-shaped element and the flexible circuit board is stable and reliable, the problems of deflection, warpage, cold joint, even stripping and falling of the special-shaped element in the subsequent welding process are avoided, and the welding quality and the production efficiency are improved.
Drawings
The invention is further described below with reference to the drawings and examples.
FIG. 1 is a schematic view of the composition of an embodiment of the present invention;
FIG. 2 is a partial schematic diagram of one embodiment of the present invention;
fig. 3 is a partial schematic structure of an embodiment of the present invention.
Detailed Description
The conception, specific structure, and technical effects produced by the present invention will be clearly and completely described below with reference to the embodiments and the drawings to fully understand the objects, aspects, and effects of the present invention. It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other.
It should be noted that, unless otherwise specified, when a feature is referred to as being "fixed" or "connected" to another feature, it may be directly or indirectly fixed or connected to the other feature. Further, the descriptions of the upper, lower, left, right, etc. used in the present invention are merely with respect to the mutual positional relationship of the constituent elements of the present invention in the drawings.
Furthermore, unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art. The terminology used in the description presented herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any combination of one or more of the associated listed items.
Fig. 1 is a schematic diagram of a composition structure of an embodiment of the present invention, and referring to fig. 1, a press-fit welding jig for a special-shaped element of a flexible circuit board includes:
the magnetic aluminum alloy base plate 1, the synthetic stone pressure head 2, the pressing column 3, the stainless steel cover plate 4, the avoidance hole 5, the sinking groove 6, the spring 7, the reinforcing plate 8, the positioning column 9, the positioning hole 10, the through hole 11 and the lock catch 12.
Also shown in the drawing is a flexible circuit board 101 and a profiled element 102.
In the press-fit welding jig for the special-shaped element of the flexible circuit board, the flexible circuit board 101 is subjected to jointed board design aiming at the structure of the special-shaped element.
In the invention, the base is provided with the positioning column 9, the aluminum alloy substrate is provided with the positioning hole 10, and the positioning hole 10 is matched with the positioning column 9 to ensure that the aluminum alloy substrate is fixedly arranged on the base; an avoidance structure matched with the special-shaped element 102 is arranged on the aluminum alloy substrate; the cover plate is arranged, the pressing column 3 is fixedly connected to the lower surface of the cover plate, the pressing head is fixedly connected to the lower end of the pressing column 3, a spring 7 sleeved on the pressing column is arranged between the pressing head and the cover plate, and the spring 7 plays a role in buffering the cover plate so as not to cause impact damage to the special-shaped element and the flexible circuit board.
The structure ensures that the pressing head presses the special-shaped element when the cover plate is covered, the contact between the special-shaped element and the flexible circuit board is stable and reliable, the problems of deflection, warping, cold welding, tin connection, even stripping and falling off and the like of the special-shaped element in the subsequent welding process are avoided, and the welding quality and the production efficiency are improved.
Here, preferably, a plurality of through holes 11 are formed in the cover plate to be matched with the upper ends of the pressing posts 3, so that the pressing posts 3 are stable and reliable.
In this embodiment, preferably, the relief structure includes a relief hole 5 and/or a sink groove 6.
In this embodiment, preferably, the cover plate is provided with a lock catch 12, and when the cover plate is pressed down to a certain height, the lock catch can be completely pressed on the aluminum alloy substrate to press the flexible circuit board 101 and the special-shaped element 102 together.
In this embodiment, preferably, the aluminum alloy substrate is preferably a magnetic aluminum alloy substrate 1, the cover plate is preferably a stainless steel cover plate 4, the stainless steel cover plate 4 is weakly magnetic, and when the stainless steel cover plate 4 is covered, the magnetic aluminum alloy substrate 1 attracts the stainless steel cover plate 4 downward, and presses the flexible circuit board 101 and the special-shaped element 102.
In this embodiment, it is preferable that a reinforcing plate 8 is further provided, and the reinforcing plate 8 is provided on the back of the fillet position of the profiled element 102. Common abnormal components in production have earphone, USB interface, TYPE interface, pogo Pin, SIM cassette, SD card etc. in order to prevent the follow-up solder crack that produces because of the bending action leg of flexible circuit board 101, need set up stiffening plate 8, play the protection leg effect. Common materials of the reinforcing plate include stainless steel plates, resin plates and the like.
In this embodiment, the pressing head is preferably a synthetic stone pressing head 2. The synthetic stone has high pressure head strength and low cost.
The invention discloses a press-fit welding method of a special-shaped element of a flexible circuit board, which comprises the following steps:
s1: fixedly mounting an aluminum alloy substrate on a base;
s2: fixing the flexible circuit board 101 on an aluminum alloy substrate, printing solder paste, and attaching the special-shaped element 102 by a chip mounter to enable the special-shaped element 102 to be matched with an avoidance structure on the aluminum alloy substrate;
s3: the cover plate is covered, and the pressing column 3 fixedly connected with the cover plate and the pressing head 2 at the lower end of the pressing column press the special-shaped element 102.
Preferably, step S4 is provided after step S3: the cover plate is pressed down to a certain extent, and the lock catch 12 fixedly connected with the cover plate is completely buckled on the aluminum alloy substrate, so that the press fit installation of the special-shaped element of the flexible circuit board can be completed.
Preferably, in step S3, the aluminum alloy substrate is a magnetic aluminum alloy substrate 1, the cover plate is a stainless steel cover plate 4, and the magnetic aluminum alloy substrate 1 attracts the stainless steel cover plate 4 to naturally press down.
While the preferred embodiment of the present invention has been described in detail, the present invention is not limited to the embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and these equivalent modifications or substitutions are included in the scope of the present invention as defined in the appended claims.
Claims (6)
1. The utility model provides a pressfitting welding tool of flexible circuit board abnormal shape component which characterized in that includes: the aluminum alloy base plate is provided with a positioning column, a positioning hole matched with the positioning column and an avoidance structure matched with a special-shaped element are formed in the aluminum alloy base plate, the lower end of the pressing column is fixedly connected with the pressing head, a plurality of through holes are formed in the cover plate and matched with the upper end of the pressing column, springs sleeved on the pressing column are arranged between the cover plate and the pressing head, the aluminum alloy base plate is a magnetic aluminum alloy base plate, the cover plate is a stainless steel cover plate, when the cover plate is covered, the aluminum alloy base plate attracts the stainless steel cover plate downwards, the flexible circuit board and the special-shaped element are pressed together, the avoidance structure comprises avoidance holes and sinking grooves, the avoidance holes are formed in groove faces of the sinking grooves, the direction of the pressing head is pressed, and projection of the groove faces of the sinking grooves and projection of the avoidance holes are staggered.
2. The press-fit welding jig for a profiled element of a flexible circuit board as defined in claim 1, wherein: the cover plate is provided with a lock catch, and the cover plate is pressed down, so that the lock catch can be completely pressed on the aluminum alloy substrate.
3. The press-fit welding jig for a flexible circuit board profiled element according to any one of claims 1 to 2, characterized in that: the welding device further comprises a reinforcing plate, wherein the reinforcing plate is arranged on the back surface of the welding leg position of the special-shaped element.
4. A press-fit welding jig for a profiled element of a flexible circuit board as defined in claim 3, wherein: the pressing head is a synthetic stone pressing head.
5. A press-fit welding method for a special-shaped element of a flexible circuit board is characterized by comprising the following steps of: the method comprises the following steps:
s1: fixedly mounting an aluminum alloy substrate on a base;
s2: fixing the flexible circuit board on an aluminum alloy substrate, printing solder paste, and attaching a special-shaped element by a chip mounter to enable the special-shaped element to be matched with an avoidance structure on the aluminum alloy substrate, wherein the avoidance structure comprises a sinking groove and an avoidance hole;
s3: the cover plate is covered, the aluminum alloy substrate is a magnetic aluminum alloy substrate, the cover plate is a stainless steel cover plate, the magnetic aluminum alloy substrate attracts the stainless steel cover plate to press downwards, a pressing column fixedly connected with the cover plate and a pressing head at the lower end of the pressing column press the special-shaped element, the direction of the pressing head pressing the special-shaped element is along, and the projection of the pressing surface of the pressing head on the groove surface of the sinking groove and the projection of the avoiding hole on the groove surface of the sinking groove are staggered.
6. The method of compression bonding a flexible circuit board profiled element as defined in claim 5, wherein: step S4 is also included after step S3;
s4: the cover plate is pressed down to a certain extent, and the lock catch fixedly connected with the cover plate is completely buckled on the aluminum alloy substrate, so that the press fit installation of the special-shaped element of the flexible circuit board can be completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711277988.6A CN108260296B (en) | 2017-12-06 | 2017-12-06 | Press-fit welding jig and method for special-shaped element of flexible circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711277988.6A CN108260296B (en) | 2017-12-06 | 2017-12-06 | Press-fit welding jig and method for special-shaped element of flexible circuit board |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108260296A CN108260296A (en) | 2018-07-06 |
| CN108260296B true CN108260296B (en) | 2024-04-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711277988.6A Active CN108260296B (en) | 2017-12-06 | 2017-12-06 | Press-fit welding jig and method for special-shaped element of flexible circuit board |
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| Country | Link |
|---|---|
| CN (1) | CN108260296B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110153529B (en) * | 2019-06-11 | 2021-06-01 | Oppo（重庆）智能科技有限公司 | Jig assembly |
| CN112218474B (en) * | 2020-08-28 | 2022-02-11 | 江苏久高电子科技有限公司 | Mounting structure of aviation fan controller and operation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201022242Y (en) * | 2006-12-31 | 2008-02-13 | 比亚迪股份有限公司 | A tool for flexible printed circuit board welding sensor |
| CN203872454U (en) * | 2014-05-27 | 2014-10-08 | 苏州市易德龙电器有限公司 | PCB welding jig used to control installation position precision of through-hole component |
| CN105472905A (en) * | 2015-12-17 | 2016-04-06 | 昆山圆裕电子科技有限公司 | Magnetic fixture and FPC non-reinforced support electronic assembly welding process applying magnetic fixture |
| CN206650932U (en) * | 2017-03-31 | 2017-11-17 | 江西合力泰科技有限公司 | A kind of flexible PCB SMT patch jigs |
| CN207612479U (en) * | 2017-12-06 | 2018-07-13 | 深圳市新宇腾跃电子有限公司 | A kind of pressing welding fixture of flexible PCB shaped element |
-
2017
- 2017-12-06 CN CN201711277988.6A patent/CN108260296B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201022242Y (en) * | 2006-12-31 | 2008-02-13 | 比亚迪股份有限公司 | A tool for flexible printed circuit board welding sensor |
| CN203872454U (en) * | 2014-05-27 | 2014-10-08 | 苏州市易德龙电器有限公司 | PCB welding jig used to control installation position precision of through-hole component |
| CN105472905A (en) * | 2015-12-17 | 2016-04-06 | 昆山圆裕电子科技有限公司 | Magnetic fixture and FPC non-reinforced support electronic assembly welding process applying magnetic fixture |
| CN206650932U (en) * | 2017-03-31 | 2017-11-17 | 江西合力泰科技有限公司 | A kind of flexible PCB SMT patch jigs |
| CN207612479U (en) * | 2017-12-06 | 2018-07-13 | 深圳市新宇腾跃电子有限公司 | A kind of pressing welding fixture of flexible PCB shaped element |
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| Publication number | Publication date |
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| CN108260296A (en) | 2018-07-06 |
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