CN201733524U - Tool board for processing PCB (printed circuit board) - Google Patents
Tool board for processing PCB (printed circuit board) Download PDFInfo
- Publication number
- CN201733524U CN201733524U CN2010202334339U CN201020233433U CN201733524U CN 201733524 U CN201733524 U CN 201733524U CN 2010202334339 U CN2010202334339 U CN 2010202334339U CN 201020233433 U CN201020233433 U CN 201020233433U CN 201733524 U CN201733524 U CN 201733524U
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- China
- Prior art keywords
- hole
- prepreg
- tool palette
- tool board
- tool
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a tool board for processing a PCB (printed circuit board). A hole is formed on one surface of the tool board being in contact with a prepreg placed on the PCB; the shape of the hole of the tool board is substantially identical with that of a corresponding hole of the prepreg; the prepreg is heated to become glue solution with a certain fluidity during the laminating process; when the glue solution is under the downward pressure from the tool board, a great part of the glue solution is firmly pressed on the PCB, and since the hole is prepared on the tool board, the other small part of the glue solution flows towards the edge of the hole of the tool board to form a regular and uniform shape, and the glue solution flowing to the hole of the tool board is free from any pressure and further can not continue flowing inside; and the provided tool board not only can well control the problem of glue leakage of the prepreg, but also is simple to operate and easy to implement and reduces the processing time, thereby saving the cost and improving the working efficiency.
Description
Technical field
The utility model relates to field of printed circuit board fabrication, in particular, relates to a kind of tool palette of processing PCB plate.
Background technology
The Chinese of pcb board is a printed circuit board (PCB), is the important electron parts, is the supporter of electronic component, is the supplier that electronic devices and components circuit 3 connects.
See also illustrated in figures 1 and 2ly, in making the process of pcb board 2, adopt prepreg 1 to be used as the insulating material on pcb board 2 surfaces usually.The plate that prepreg 1 mainly is made up of thermoplastic resin is solid during normal temperature, can be converted into half mobile liquid under the high temperature, and when returning to normal temperature behind the lamination, prepreg 1 will be pressed together on the surface of pcb board 2.Because circuit 3 can be exposed in the centre position of pcb board 2, thus will be positioned at hole as depicted in figs. 1 and 2 of intermediate open position of the prepreg 1 of pcb board 2 tops, so that when prepreg 1 is placed on pcb board 2 tops, can expose circuit 3.
Because prepreg 1 can become the glue with certain flowability at lamination and when being heated, cause glue in the hole, to flow, form inhomogeneous and irregular shape, see also shown in Figure 4 about the irregular situation of gummosis, in Fig. 4, the square frame of outside is represented the edge in hole, the irregularly shaped irregular shape of then representing the mobile back of glue to form of the inside.So in order better to control the gummosis problem of prepreg 1 in pressing process, prior art is to place a pad by the inside, hole to prepreg 1, stops the glue that flows in the hole by this pad.
But, because pad is not subjected to any pressure, can infiltrate the bottom of pad so flow to the part of the glue in the hole, after compacting finishes and recovers normal temperature, the glue that solidifies can be bonded at pad on the pcb board firmly, so that pad can't take out, the staff also needs to adopt various means such as cutter cutting that pad is taken out; And in getting the process of pad, the staff also damages pcb board easily accidentally, thereby has improved misuse rate.So problem that prior art can't better controlled prepreg gummosis.
The utility model content
In view of this, the utility model provides a kind of tool palette of processing PCB plate, so that the problem of better controlled prepreg gummosis.
The utility model embodiment is achieved in that
A kind of tool palette of processing PCB plate, the one side that contacts with prepreg above being placed on described pcb board is provided with porose;
Described tool palette is identical substantially with the shape in the corresponding hole of described prepreg.
Preferably, in the tool palette of above-mentioned processing PCB plate, the hole of described tool palette is a through hole.
Preferably, in the tool palette of above-mentioned processing PCB plate, the shape of described through hole is identical with the shape in the hole of corresponding described prepreg.
Preferably, in the tool palette of above-mentioned processing PCB plate, the hole of described tool palette is a blind hole.
Preferably, in the tool palette of above-mentioned processing PCB plate, the shape of described blind hole is identical with the shape in the hole of corresponding described prepreg.
Preferably, in the tool palette of above-mentioned processing PCB plate, on the described tool palette on the quantity in hole and the described prepreg quantity in hole identical.
Preferably, in the tool palette of above-mentioned processing PCB plate, the length of described tool palette and width are not less than the length and the width of described prepreg.
Compared with prior art, the technical scheme that provides of the utility model embodiment has the following advantages and characteristics:
The utility model provides a kind of tool palette of processing PCB plate, and the hole that is provided with on this tool palette is identical substantially with the shape in the hole above the prepreg.Before lamination, the prepreg that needs to hold the hole earlier successfully is placed on above the pcb board, and make the hole correspondence of circuit that pcb board need expose and prepreg good, again tool palette is placed on above the prepreg, and makes corresponding good the getting final product in hole of tool palette with the hole of prepreg; The position put finish after, by adding gentle pressing mode, utilize laminate steel that pcb board, prepreg and the tool palette of putting carried out lamination.In the process of lamination, prepreg is heated, and can become the glue with certain flowability.After glue is subjected to the downward pressure of tool palette, most glue can be pressed on the pcb board firmly, owing to reserve porose on the tool palette, the sub-fraction glue can flow to the edge in the hole of tool palette in addition, formation rule, uniform shape, the glue that flows in the hole of tool palette can not be subjected to any pressure, so can not continuing inwards, surface current moves, therefore, the tool palette that the utility model provides not only can well be controlled the problem of prepreg gummosis, and simple to operate, realize easily, reduce process time, thereby saved cost, improved operating efficiency.
Description of drawings
In order to be illustrated more clearly in the utility model or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is on the pcb board provided by the utility model and the vertical view of prepreg;
Fig. 2 is the cutaway view along A-A line among Fig. 1;
Fig. 3 is the front view that utilizes the tool palette lamination provided by the utility model;
Fig. 4 is for adopting the glue flow graph after existing lamination technological layer is pressed;
Fig. 5 is the glue flow graph that utilizes behind the tool palette lamination provided by the utility model;
Fig. 6 is the vertical view of through-hole type tool palette provided by the utility model;
Fig. 7 is the cutaway view along B-B line among Fig. 6;
Fig. 8 is the vertical view of blind-hole type tool palette provided by the utility model;
Fig. 9 is the cutaway view along C-C line among Fig. 8.
Embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
The utility model embodiment provides a kind of tool palette of processing PCB plate, and the one side that this tool palette contacts with prepreg above being placed on described pcb board is provided with porose; Described tool palette is identical substantially with the shape in the corresponding hole of described prepreg.Above-mentioned tool palette not only can well be controlled the problem of prepreg gummosis, and simple to operate, realizes easily, has reduced process time, thereby has saved cost, has improved operating efficiency.Because there is multiple mode in the specific implementation of above-mentioned tool palette, is elaborated below by specific embodiment:
See also shown in Figure 3, a kind of tool palette 4 of processing PCB plate 2, the one side that contacts with prepreg 1 above being placed on described pcb board 2 is provided with porose; Described tool palette 4 is identical substantially with the shape in described prepreg 1 corresponding hole.Briefly introduce the engineering of utilizing tool palette 4 processing PCB plates 2 below: before lamination, the prepreg 1 that needs will to hold successfully earlier the hole be placed on pcb board 2 above, and make the hole correspondence of circuit 3 that pcb board 2 need expose and prepreg 1 good, again tool palette 4 is placed on above the prepreg 1, and makes the hole of tool palette 4 corresponding with the hole of prepreg 1 good; Then, on tool palette 4 and pcb board 2 below release mould 51 and release mould 52 are set respectively, and on release mould 51 and release mould 52 below laminate steel 61 and laminate steel 62 are set respectively again; Each position component put finish after, by adding gentle pressing mode, utilize laminating apparatus that laminate steel 61, release mould 51, tool palette 4, prepreg 1, pcb board 2, release mould 52 and the laminate steel of putting successively from top to bottom 62 carried out lamination.In the process of lamination, prepreg 1 is heated and becomes the glue with certain flowability.After glue is subjected to the downward pressure of tool palette 4, most glue can be pressed on the pcb board 2 firmly, owing to reserve porose on the tool palette 4, the sub-fraction glue can flow to the edge in the hole of tool palette in addition, formation rule, uniform shape, its concrete shape sees also shown in Figure 5, in Fig. 5, the square frame of outside is represented the edge in the hole of tool palette 4, rule, uniform shape that the square frame of the inside is forming after then representing glue to flow.Because the glue that flows in the hole of tool palette 4 can not be subjected to any pressure, so can not continuing inwards, surface current moves, thereby rule and uniform shape have been formed, therefore, the tool palette 4 that the utility model provides not only can well be controlled the problem of prepreg 1 gummosis, and simple to operate, realize easily, reduce process time, thereby saved cost, improved operating efficiency.
In the above-described embodiments, the Kong Jike above the tool palette 4 thinks through hole, also can be blind hole, and Fig. 6 and embodiment shown in Figure 7 are the situation that through hole is set on the tool palette 4, and Fig. 8 and embodiment shown in Figure 9 are the situation that blind hole is set on the tool palette 4.No matter tool palette 4 top holes are through hole or blind hole, the shape of this through hole or the blind hole all shape with the hole of corresponding described prepreg 1 is identical, if what be provided with on the tool palette 4 is through hole, then need tool palette 4 to have certain thickness, so that tool palette 4 plays the effect that intercepts laminate steel, after prepreg is melted into glue, guarantee that the pressure that glue in the through hole of tool palette 4 is not subjected to laminate steel gets final product; If what be provided with on the tool palette 4 is blind hole, then need the blind hole of tool palette 4 to have certain degree of depth, so that tool palette 4 plays the effect that intercepts laminate steel equally, after prepreg is melted into glue, guarantee that the pressure that glue in the blind hole of tool palette 4 is not subjected to laminate steel gets final product.
In some cases, there is many places circuit 3 to be exposed above the pcb board 2, then need and to leave position, a plurality of hole in advance on the position corresponding above the prepreg 1 with the circuit 3 of pcb board 2, for this situation, the staff need leave position, a plurality of hole in the position that tool palette 4 is corresponding with the hole of prepreg 1, and on the tool palette 4 on hole number and the prepreg 1 quantity in hole identical, and on the tool palette 4 on hole number and the prepreg 1 quantity in hole all the quantity with the circuit that needs above the pcb board 2 to expose is identical.
In addition, the length of tool palette 4 and width be at least otherwise less than the length and the width of prepreg 1, and its two length is all identical with width, then the preferred version that provides for the utility model.
Need to prove that the embodiment that the utility model provides is the preferred embodiment that the utility model is introduced, those skilled in the art can design more embodiment on this basis fully, therefore do not give unnecessary details herein.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined herein General Principle can realize under the situation that does not break away from spirit or scope of the present utility model in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (7)
1. the tool palette of a processing PCB plate is characterized in that, the one side that contacts with prepreg above being placed on described pcb board is provided with porose;
Described tool palette is identical substantially with the shape in the corresponding hole of described prepreg.
2. the tool palette of processing PCB plate according to claim 1 is characterized in that, the hole of described tool palette is a through hole.
3. the tool palette of processing PCB plate according to claim 2 is characterized in that, the shape of described through hole is identical with the shape in the hole of corresponding described prepreg.
4. the tool palette of processing PCB plate according to claim 1 is characterized in that, the hole of described tool palette is a blind hole.
5. the tool palette of processing PCB plate according to claim 4 is characterized in that, the shape of described blind hole is identical with the shape in the hole of corresponding described prepreg.
6. the tool palette of processing PCB plate according to claim 1 is characterized in that, on the described tool palette on the quantity in hole and the described prepreg quantity in hole identical.
7. according to the tool palette of any described processing PCB plate of claim 1-6, it is characterized in that the length of described tool palette and width are not less than the length and the width of described prepreg.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202334339U CN201733524U (en) | 2010-06-21 | 2010-06-21 | Tool board for processing PCB (printed circuit board) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202334339U CN201733524U (en) | 2010-06-21 | 2010-06-21 | Tool board for processing PCB (printed circuit board) |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201733524U true CN201733524U (en) | 2011-02-02 |
Family
ID=43524678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202334339U Expired - Fee Related CN201733524U (en) | 2010-06-21 | 2010-06-21 | Tool board for processing PCB (printed circuit board) |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201733524U (en) |
-
2010
- 2010-06-21 CN CN2010202334339U patent/CN201733524U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110202 Termination date: 20130621 |