CN211249734U - PCB machined part cleaning jig - Google Patents
PCB machined part cleaning jig Download PDFInfo
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- CN211249734U CN211249734U CN201921794407.0U CN201921794407U CN211249734U CN 211249734 U CN211249734 U CN 211249734U CN 201921794407 U CN201921794407 U CN 201921794407U CN 211249734 U CN211249734 U CN 211249734U
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Abstract
The utility model discloses a PCB machined part washs tool, including the tool layer board that is used for bearing the weight of the PCB machined part and set up in tool layer board top, be used for pressing the tool apron that covers the PCB machined part, still including setting up between tool layer board and tool apron, be used for closely pressing the PCB machined part and cover the fixed steel sheet on the tool layer board, realize fixed connection through pin and hole between tool layer board and the tool apron, realize fixed connection through viscidity connecting piece between tool layer board and the fixed steel sheet. The utility model discloses a mode of adding fixed steel sheet between two-layer tool plate has realized effectively that dislocation because of the machined part has been avoided because of the damage that drops and cause to the fixed of small-size PCB machined part at clean in-process.
Description
Technical Field
The utility model relates to a frock tool especially relates to a PCB machined part washs tool suitable for use at the clean in-process of small-size PCB, belongs to processing tool equipment field.
Background
A Printed Circuit Board (PCB) is a common and important electronic component in the electronic industry, and is a support for electronic components and a provider for connecting electronic components. With the global improvement of the scientific and technical level in the world in recent years, the PCB technology is also developing toward miniaturization and intensification.
In the process of processing the small-sized PCB, the processed part can be processed through a plurality of processing procedures including welding, after the processing procedures, waste in the processing procedures such as oil stains, soldering tin and the like can be remained on the surface of the PCB processed part, and in order to ensure smooth proceeding of subsequent assembly and quality of a final processed finished product, the PCB processed part needs to be cleaned before the subsequent assembly procedure. The cleaning treatment comprises a plurality of steps of cleaning solution spraying, drying, air knife cleaning and the like, and because the size of the PCB workpieces is very small, a cleaning jig is generally required to be used for positioning and fixing the PCB workpieces during the cleaning treatment so as to prevent the PCB workpieces from being damaged and lost during the cleaning process.
At present, various cleaning jigs with different specifications and different sizes are used in each processing enterprise, the cleaning jigs mostly adopt a mode that an upper plate and a lower plate are mutually overlapped to finish batch fixing of PCB machined parts, and then the PCB machined parts in the cleaning jigs are cleaned by penetrating through hollow holes in the jigs.
However, in the actual use process, the skilled person finds that, because the cleaning jig generally utilizes special structures such as a clamping groove for fixing the PCB workpiece and is not firm for clamping the PCB workpiece, the PCB workpiece is easily dislocated and falls off in the cleaning process; in addition, current this kind of washing tool is more weak to the fixed dynamics of PCB machined part, design effect, when drying operation, and the PCB machined part takes place deformation because of expend with heat and contract with cold very easily, and current this kind of washing tool not only can not prevent the emergence of machined part deformation, but also can further influence its fixed dynamics to the machined part because of the machined part deformation.
In view of the above, it is an urgent need in the art to provide a PCB workpiece cleaning tool suitable for use in a small PCB cleaning process to meet the actual cleaning requirement of the workpiece.
Disclosure of Invention
In view of prior art has above-mentioned defect, the utility model aims at providing a PCB machined part washs tool, including be used for bearing the weight of the tool layer board of PCB machined part and set up in tool layer board top, be used for pressing the tool apron that covers the PCB machined part, still including set up in the tool layer board with between the tool apron, be used for closely pressing the PCB machined part cover in fixed steel sheet on the tool layer board, the tool layer board with realize fixed connection through pin and hole between the tool apron, the tool layer board with realize fixed connection through the viscidity connecting piece between the fixed steel sheet.
Preferably, the central region of tool layer board up end places the station for the machined part, tool layer board up end the corner position department that the station was placed to the machined part is provided with the corner bearing piece that is used for lifting distance between each plate, corner bearing piece distribute in the peripheral four corner position departments of station is placed to the machined part, the height phase-match of corner bearing piece and PCB machined part.
Preferably, the equidistance is provided with multirow PCB connecting piece in the station is placed to the machined part, the multirow the direction of placing of PCB connecting piece parallels, the PCB machined part with the help of the PCB connecting piece becomes row adhesion in the station is placed to the machined part, many be used for cleaning in-process liquid exhaust guiding gutters have still been seted up to the outer edge position department of tool layer board up end, the one end of guiding gutter extends to the edge of PCB connecting piece, the other end of guiding gutter extends to the edge of tool layer board, and be linked together with the external world.
Preferably, the upper end face of the jig supporting plate is provided with steel sheet connecting pieces for realizing connection between the jig supporting plate and the fixed steel sheets, and the steel sheet connecting pieces and the PCB connecting pieces are arranged at equal intervals.
Preferably, the PCB connecting piece with the steel sheet connecting piece is the silica gel connecting piece, the length, the width of steel sheet connecting piece all are greater than the length, the width of PCB connecting piece.
Preferably, the central area of the fixed steel sheet is a steel sheet cleaning liquid circulation station, the overall shape and area of the steel sheet cleaning liquid circulation station correspond to those of the workpiece placing stations in a one-to-one matching manner, a plurality of steel sheet drainage holes for cleaning liquid circulation, steel sheet PCB holes and steel sheet printing holes which correspond to the lower PCB workpiece and facilitate cleaning liquid to clean the PCB workpiece are formed in the steel sheet cleaning liquid circulation station in a penetrating manner, and the steel sheet drainage holes, the steel sheet PCB holes and the steel sheet printing holes are uniformly distributed at intervals and are fully distributed on the whole steel sheet cleaning liquid circulation station.
Preferably, the central area of the jig cover plate is a cover plate cleaning liquid circulation station, the overall shapes, areas and positions of the steel sheet cleaning liquid circulation station, the steel sheet cleaning liquid circulation station and the workpiece placement station are all matched and correspond to one another, a plurality of cover plate drain holes for cleaning liquid circulation, cover plate PCB holes and cover plate printing holes which correspond to the lower PCB workpiece and facilitate cleaning liquid to clean the PCB workpiece are formed in the cover plate cleaning liquid circulation station in a penetrating manner, and the cover plate drain holes, the cover plate PCB holes and the cover plate printing holes are all distributed in rows and are arranged at intervals.
Preferably, a plurality of mounting positioning pins for positioning the jig assembly are uniformly distributed at positions along the outer edge of the lower end face of the jig cover plate, the mounting positioning pins are fixedly connected with the jig cover plate, and pin positioning holes matched with the mounting positioning pins are formed in the fixed steel sheet and the jig support plate.
Preferably, the fixed steel sheet and the jig supporting plate are also provided with carrier positioning holes for positioning carriers of the PCB workpieces and facilitating placement of the PCB workpieces.
Preferably, the jig cover plate and the jig supporting plate are both aluminum plates with the thickness of 3mm, and the fixed steel sheet is a 0.05mm steel sheet.
Compared with the prior art, the utility model discloses an advantage mainly embodies in following several aspects:
the utility model provides a PCB machined part washs tool through the mode of adding fixed steel sheet between two-layer tool plate, has realized effectively that the dislocation of because of the machined part has been avoided with the damage that drops and cause at the fixed of clean in-process to small-size PCB machined part. And because the utility model discloses a silica gel material is as viscidity connecting piece for the holistic fixed dynamics of tool is strong, location effect is good, has consequently also guaranteed the design to small-size PCB machined part among the follow-up machined part stoving process fully, has avoided the excessive deformation of machined part, has ensured the yields of processing finished product.
And simultaneously, the utility model discloses overall structure is succinct clear, and the part of selecting for use is made by current and using wider material, and each processing enterprise can obtain through simple transformation, the combination to current tool the technical scheme of the utility model, tool processing cost is low, provides good hardware basis for its subsequent popularization and application.
Furthermore, the utility model discloses a system also provides the technological inspiration for design, manufacturing and the use of other processing auxiliary fixtures in the same field, has very high reference, uses and spreading value.
The following detailed description is made of specific embodiments of the present invention with reference to the accompanying drawings, so as to make the technical solution of the present invention easier to understand and master.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a jig pallet of the present invention;
FIG. 3 is a schematic structural view of the fixing steel sheet of the present invention;
fig. 4 is a schematic structural view of a jig cover plate of the present invention;
wherein: 1. A jig supporting plate; 11. a corner bearing block; 12. a water chute; 2. fixing the steel sheet; 21. a steel sheet drainage hole; 22. opening a hole on the steel sheet PCB; 23. printing holes on the steel sheet; 3. a jig cover plate; 31. a cover plate drain hole; 32. opening a hole on the cover plate PCB; 33. printing holes on the cover plate; 4. a PCB connector; 5. a steel sheet connecting piece; 6. installing a positioning pin; 7. pin locating holes; 8. and a carrier positioning hole.
Detailed Description
As shown in FIGS. 1-4, the utility model provides a PCB machined part washs tool specifically as follows.
The utility model provides a PCB machined part washs tool, including be used for bearing the weight of the tool layer board 1 of PCB machined part and set up in tool layer board 1 top, be used for pressing the tool apron 3 of covering the PCB machined part, still including set up in tool layer board 1 with between the tool apron 3, be used for closely pressing the PCB machined part cover in fixed steel sheet 2 on the tool layer board 1, tool layer board 1 with realize fixed connection through pin and hole between the tool apron 3, tool layer board 1 with realize fixed connection through the viscidity connecting piece between the fixed steel sheet 2.
In this embodiment, the jig cover plate 3 and the jig support plate 1 are both made of an aluminum plate with a thickness of 3mm, and the fixed steel plate 2 is made of a steel plate with a thickness of 0.05 mm.
The central region of 1 up end of tool layer board is the station is placed to the machined part, 1 up end of tool layer board the corner position department of station is placed to the machined part is provided with the corner supporting block 11 that is used for lifting distance between each plate, corner supporting block 11 distribute in the peripheral four corner position departments of station are placed to the machined part, the height phase-match of corner supporting block 11 and PCB machined part. Generally, the height of the corner support block 11 should be slightly higher than the height of the PCB work piece in a placed state.
The sticky connecting piece in this scheme mainly includes PCB connecting piece 4 and steel sheet connecting piece 5, the two is made by the silica gel material, can also replace the industry double faced adhesive tape of other materials here, the silica gel material that this scheme chooseed for use only is preferred embodiment. The length and the width of the steel sheet connecting piece 5 are both larger than those of the PCB connecting piece 4, and the length and the width are specifically set as follows.
The equidistance is provided with multirow PCB connecting piece 4 in the station is placed to the machined part, the multirow PCB connecting piece 4 place the direction and parallel, the PCB machined part with the help of 4 adhesion in a row of PCB connecting piece in the station is placed to the machined part, many be used for cleaning in-process liquid exhaust guiding gutter 12 have still been seted up along position department outward of 1 up end of tool layer board, the one end of guiding gutter 12 extends to the edge of PCB connecting piece 4, the other end of guiding gutter 12 extends to the edge of tool layer board 1 and is linked together with the external world.
The upper end face of the jig supporting plate 1 is provided with steel sheet connecting pieces 5 used for achieving connection between the jig supporting plate 1 and the fixed steel sheets 2, and the steel sheet connecting pieces 5 and the PCB connecting pieces 4 are arranged at equal intervals.
The central area of the fixed steel sheet 2 is a steel sheet cleaning liquid circulation station, the overall shape and area of the steel sheet cleaning liquid circulation station correspond to those of the workpiece placing stations in a one-to-one matching mode, a plurality of steel sheet drainage holes 21 for cleaning liquid circulation, steel sheet PCB open holes 22 and steel sheet printing open holes 23 which correspond to the PCB workpieces below and facilitate cleaning liquid to clean the PCB workpieces penetrate through the steel sheet cleaning liquid circulation station, and the steel sheet drainage holes 21, the steel sheet PCB open holes 22 and the steel sheet printing open holes 23 are evenly distributed at intervals and are fully distributed on the whole steel sheet cleaning liquid circulation station.
The central area of the jig cover plate 3 is a cover plate cleaning liquid circulation station, the overall shapes, areas and positions of the steel sheet cleaning liquid circulation station, the steel sheet cleaning liquid circulation station and the workpiece placing station are all matched and corresponding one to one, a plurality of cover plate drain holes 31 for cleaning liquid circulation, cover plate PCB holes 32 corresponding to PCB workpieces below and facilitating cleaning liquid to clean the PCB workpieces and cover plate printing holes 33 penetrate through the cover plate cleaning liquid circulation station, and the cover plate drain holes 31, the cover plate PCB holes 32 and the cover plate printing holes 33 are all distributed in rows and are arranged at intervals.
In order to facilitate installation and fixation, the scheme also comprises the following connecting structure. The fixture assembling and positioning device is characterized in that a plurality of mounting positioning pins 6 used for fixture assembling and positioning are uniformly distributed at positions outside the lower end face of the fixture cover plate 3, the mounting positioning pins 6 are fixedly connected with the fixture cover plate 3, and pin positioning holes 7 matched with the mounting positioning pins 6 are formed in the fixed steel sheet 2 and the fixture supporting plate 1. The fixed steel sheet 2 and the jig supporting plate 1 are also provided with carrier positioning holes 8 which are used for positioning carriers of PCB workpieces and are convenient for placing the PCB workpieces.
The utility model provides a PCB machined part washs tool through the mode of adding fixed steel sheet between two-layer tool plate, has realized effectively that the dislocation of because of the machined part has been avoided with the damage that drops and cause at the fixed of clean in-process to small-size PCB machined part. And because the utility model discloses a silica gel material is as viscidity connecting piece for the holistic fixed dynamics of tool is strong, location effect is good, has consequently also guaranteed the design to small-size PCB machined part among the follow-up machined part stoving process fully, has avoided the excessive deformation of machined part, has ensured the yields of processing finished product.
And simultaneously, the utility model discloses overall structure is succinct clear, and the part of selecting for use is made by current and using wider material, and each processing enterprise can obtain through simple transformation, the combination to current tool the technical scheme of the utility model, tool processing cost is low, provides good hardware basis for its subsequent popularization and application.
Furthermore, the utility model discloses a system also provides the technological inspiration for design, manufacturing and the use of other processing auxiliary fixtures in the same field, has very high reference, uses and spreading value.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. 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, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. The utility model provides a PCB machined part washs tool, including be used for bearing the weight of PCB machined part tool layer board (1) and set up in tool layer board (1) top, be used for pressing tool apron (3) of covering PCB machined part, its characterized in that: the PCB fixture is characterized by further comprising a fixing steel sheet (2) arranged between the fixture supporting plate (1) and the fixture cover plate (3) and used for tightly pressing and covering a PCB workpiece on the fixture supporting plate (1), the fixture supporting plate (1) and the fixture cover plate (3) are fixedly connected through pins and holes, and the fixture supporting plate (1) and the fixing steel sheet (2) are fixedly connected through an adhesive connecting piece.
2. The PCB processing piece cleaning jig of claim 1, wherein: the central zone of tool layer board (1) up end places the station for the machined part, tool layer board (1) up end the machined part place the corner position department of station and be provided with corner supporting block (11) that are used for lifting distance between each plate, corner supporting block (11) distribute in the peripheral four corner position departments of station are placed to the machined part, the height of corner supporting block (11) and the high phase-match of PCB machined part.
3. The PCB processing piece cleaning jig of claim 2, wherein: the equidistance is provided with multirow PCB connecting piece (4) in the station is placed to the machined part, the multirow the direction of placing of PCB connecting piece (4) parallels, the PCB machined part with the help of PCB connecting piece (4) in bank adhesion in the station is placed to the machined part, many aqueduct (12) that are used for cleaning in-process liquid discharge are still offered along position department outward of tool layer board (1) up end, the one end of aqueduct (12) extends to the edge of PCB connecting piece (4), the other end of aqueduct (12) extends to the edge of tool layer board (1) and is linked together with the external world.
4. The PCB processing piece cleaning jig of claim 3, wherein: the fixture supporting plate is characterized in that a steel sheet connecting piece (5) used for achieving connection between the fixture supporting plate (1) and the fixed steel sheet (2) is arranged on the upper end face of the fixture supporting plate (1), and the steel sheet connecting pieces (5) and the PCB connecting pieces (4) are arranged at equal intervals.
5. The PCB processing piece cleaning jig of claim 4, wherein: PCB connecting piece (4) with steel sheet connecting piece (5) are the silica gel connecting piece, the length, the width of steel sheet connecting piece (5) all are greater than the length, the width of PCB connecting piece (4).
6. The PCB processing piece cleaning jig of claim 2, wherein: the central area of the fixed steel sheet (2) is a steel sheet cleaning liquid circulation station, the overall shape and area of the steel sheet cleaning liquid circulation station correspond to those of the workpiece placing stations in a one-to-one matching mode, a plurality of steel sheet drainage holes (21) for cleaning liquid circulation, steel sheet PCB holes (22) and steel sheet printing holes (23) corresponding to PCB workpieces below and facilitating cleaning liquid to clean the PCB workpieces penetrate through the steel sheet cleaning liquid circulation station, and the steel sheet drainage holes (21), the steel sheet PCB holes (22) and the steel sheet printing holes (23) are evenly distributed at intervals and are fully distributed on the whole steel sheet cleaning liquid circulation station.
7. The PCB processing piece cleaning jig of claim 6, wherein: the central area of the jig cover plate (3) is a cover plate cleaning liquid circulation station, the steel sheet cleaning liquid circulation station and the workpiece placing station are matched and corresponding to each other in overall shape, area and position, a plurality of cover plate drain holes (31) used for cleaning liquid circulation, cover plate PCB holes (32) corresponding to PCB workpieces below and convenient for cleaning liquid to clean the PCB workpieces and cover plate printing holes (33) penetrate through the cover plate cleaning liquid circulation station, the cover plate drain holes (31), the cover plate PCB holes (32) and the cover plate printing holes (33) are distributed in rows and are arranged at intervals.
8. The PCB processing piece cleaning jig of claim 7, wherein: the fixture is characterized in that a plurality of mounting positioning pins (6) used for fixture combination positioning are uniformly distributed at positions outside the lower end face of the fixture cover plate (3), the mounting positioning pins (6) are fixedly connected with the fixture cover plate (3), and pin positioning holes (7) matched with the mounting positioning pins (6) are formed in the fixture supporting plate (1) and the fixed steel sheet (2).
9. The PCB processing piece cleaning jig of claim 6, wherein: the fixed steel sheet (2) and the jig supporting plate (1) are also provided with carrier positioning holes (8) for positioning carriers of PCB workpieces and facilitating placement of the PCB workpieces.
10. The PCB processing piece cleaning jig of claim 1, wherein: the jig cover plate (3) and the jig supporting plate (1) are both aluminum plates with the thickness of 3mm, and the fixed steel sheet (2) is a 0.05mm steel sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921794407.0U CN211249734U (en) | 2019-10-24 | 2019-10-24 | PCB machined part cleaning jig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921794407.0U CN211249734U (en) | 2019-10-24 | 2019-10-24 | PCB machined part cleaning jig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211249734U true CN211249734U (en) | 2020-08-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921794407.0U Active CN211249734U (en) | 2019-10-24 | 2019-10-24 | PCB machined part cleaning jig |
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| Country | Link |
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| CN (1) | CN211249734U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112911838A (en) * | 2021-01-29 | 2021-06-04 | 锦耀智能精密制造(深圳)有限公司 | FPC rigid-flex board sandwich pressing carrier |
-
2019
- 2019-10-24 CN CN201921794407.0U patent/CN211249734U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112911838A (en) * | 2021-01-29 | 2021-06-04 | 锦耀智能精密制造(深圳)有限公司 | FPC rigid-flex board sandwich pressing carrier |
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