CN202169390U - Backing board for drilling circuit board - Google Patents
Backing board for drilling circuit board Download PDFInfo
- Publication number
- CN202169390U CN202169390U CN2011202681466U CN201120268146U CN202169390U CN 202169390 U CN202169390 U CN 202169390U CN 2011202681466 U CN2011202681466 U CN 2011202681466U CN 201120268146 U CN201120268146 U CN 201120268146U CN 202169390 U CN202169390 U CN 202169390U
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- Prior art keywords
- plate
- board
- backing
- board block
- block
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- Expired - Fee Related
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Abstract
The utility model relates to a backing board for drilling a circuit board. The backing board comprises a board body, wherein a plurality of screw holes used for fixing a board block on a machine platform are arranged on the board body; the board body sequentially comprises an upper board block, a middle board block and a lower board block which can be dismounted and mounted without seam; the screw holes are distributed on the upper board block, the middle board block and the lower board block; the proportions of the size of the upper board block, the middle board block and the lower board block of the total size of the board body are respectively 20%, 60% and 20%; the upper board block, the middle board block and the lower board block are respectively provided with 5 screw holes, 4 screw holes and 5 screw holes with the same diameter; and the diameter of the screw hole is 6-12mm. According to the utility model, the upper board block and the lower board block of the backing board for drilling the circuit board can be mutually exchanged; moreover, and the middle board block can be remained when new upper board block and lower board block are needed to replaced, therefore, the service life of the backing board is effectively prolonged, and the utilization rate of the backing board is increased.
Description
Technical field
The utility model relates to wiring board boring technical field, relates in particular to wiring board boring and uses backing plate.
Background technology
In the wiring board production process; Need to realize the vertical conducting of different circuit hierarchies through machine drilling; Can and avoid drill point to penetrate wiring board by well secured and contact with board metal table top and cause broken needle for guaranteeing in the boring procedure wiring board; Need to install at the drilling machine table top backing plate of non-metallic material, backing plate is that alignment pin provides the location attachment surface, and isolates contacting of drill point and board metal table top.As shown in Figure 1, traditional backing plate is normally according to the directly customization of board metal table top size, when backing plate again during fixed locating stud quilt scrapped processing.But the backing plate of in fact the being scrapped frequent two ends of alignment pin plug does not often have alignment pin attachment surface, zone line comparatively intact, if useless processing of whole pad blackboard newspaper caused the serious wasting of resources, is unfavorable for practicing thrift manufacturing cost.Present stage, wiring board composing size was increasing along with circuit board structure is constantly adjusted, and it is more concentrated on backing plate, to choose the locating hole zone; Thereby cause shortening service life, the reduction backing plate utilization rate of backing plate; And frequency is changed backing plate, also can cause the waste in man-hour, influences production efficiency.
Summary of the invention
In view of this, the utility model purpose is to provide a kind of long service life, the boring backing plate of high-usage line plate.
The technical scheme of the utility model is following: backing plate is used in a kind of wiring board boring; Comprise plate body; Plate body is provided with a plurality of being used for plate is fixed on the screw hole on the board table top; Said plate body comprises last plate, intermediate plate and the following plate of zero-clearance, detachable amalgamation successively, and said screw hole is distributed on plate, intermediate plate and the following plate.
Because of the plate body of the utility model last plate, intermediate plate and the following plate by zero-clearance, detachable amalgamation combines; When the frequent last plate of alignment pin plug, following plate do not have the alignment pin attachment surface; Do not have when effectively utilizing area; Can upper and lower plate exchange amalgamation be used the service life of plate and following plate in the prolongation.And do not have again behind the upper and lower plate after changing when effectively utilizing area, the upper and lower plate that can only more renew, and intermediate plate can keep the continuation use, effectively improves the utilization rate of backing plate.
Above-mentioned upward plate, intermediate plate and the optional usefulness of following plate are scrapped the backing plate cutting and are formed, and do not need anything connection between last, middle, the following plate, but closely are connected, and the space can not be arranged.
The ratio that the size of last plate, intermediate plate and following plate accounts for the plate body overall size is respectively 20%, 60%, 20%, and certainly in the actual fabrication, the size between last, middle, time plate can also be other ratio, and for example 25%, 50%, 25%.But 20%, 60%, 20% is best proportion, and this is that then the alignment pin of wiring board is prone to get into intermediate plate because upper and lower module proportion is too little, causes intermediate plate to need frequent change, if upper and lower module ratio is too big, then can't embody best utilization rate.
Said going up on plate, intermediate plate, the following plate is provided with 5,4,5 screw holes respectively at least.For example can on last plate, following plate, 6 screw holes be set respectively, intermediate plate is provided with 4 screw holes.Through more screw hole being set at last plate, intermediate plate, following plate, can overcome the deficiency that traditional backing plate is prone to prying or displacement phenomenon, avoid causing the wiring board quality abnormal.
The aperture of said screw hole is identical, and the aperture is preferably 6mm-12mm.
The said screw hole location layout of going up on plate, the following plate is identical; This is convenient to when upper and lower plate need be changed, upper and lower plate exchanged; Promptly do not have when effectively utilizing area yet, upper and lower two are changed, so that prolong the service life of upper and lower plate when the edge of upper and lower plate.Do not have again behind the upper and lower plate after changing when effectively utilizing area, replaceable new upper and lower plate, and intermediate plate can keep the continuation use, improves the utilization rate of backing plate.
Compared with prior art, the beneficial effect of the utility model is:
The plate body of the utility model is combined by last plate, intermediate plate and the following plate of zero-clearance, detachable amalgamation; Make simple; Easy to use, when the frequent last plate of alignment pin plug, following plate do not have the alignment pin attachment surface, do not have when effectively utilizing area; Can upper and lower plate exchange amalgamation be used the service life of plate and following plate in the prolongation; Do not have again behind the upper and lower plate after changing when effectively utilizing area, the upper and lower plate that can only more renew, and intermediate plate can keep the continuation use, effectively improves the utilization rate of backing plate.
Description of drawings
Fig. 1 is a conventional cushion plate structure sketch map;
Fig. 2 is the utility model backing structure sketch map.
The specific embodiment
For the ease of it will be appreciated by those skilled in the art that the utility model is explained in further detail below in conjunction with accompanying drawing and embodiment.
As shown in Figure 2; Backing plate is used in a kind of wiring board boring, comprises plate body, and plate body is provided with 14 and is used for plate is fixed on the screw hole 1 on the board table top; Plate body comprises last plate 2, intermediate plate 3 and the following plate 4 of zero-clearance, detachable amalgamation successively; Screw hole 1 is distributed on plate 2, intermediate plate 3 and the following plate 3, wherein goes up plate, on the plate 5 screw holes is arranged respectively down, and 4 screw holes are arranged on the intermediate plate.Last plate is identical with 5 screw hole position distribution on the following plate; Promptly 4 screw holes are distributed in 4 corners of upper and lower plate, a screw hole is distributed on the central point of upper and lower plate, and last plate, identical being convenient to of screw hole location layout on the plate is exchanged upper and lower plate when upper and lower plate need be changed down.4 screw holes on the intermediate plate are one group of parallel intermediate plate middle part that is distributed in two.During actual production, on last plate, intermediate plate and the following plate, can be respectively arranged with the screw hole more than 5,4,5.
The aperture of above-mentioned screw hole is identical, and in the present embodiment, the aperture of all screw holes is 6mm, but in the actual production, the arbitrary value among the 6-12mm can be got in the aperture.
In the present embodiment, last plate, intermediate plate and following plate are selected for use and scrapped the backing plate cutting and form, and be last, middle, do not need anything connection between the plate down, but closely be connected, tight.The ratio that the size of last plate, intermediate plate and following plate accounts for the plate body overall size is respectively 20%, 60%, 20%; When the back plate sizes in the present embodiment is 535mm*900mm; Wherein upper and lower plate is of a size of 535mm*200mm, and intermediate plate is 535mm*500mm.During actual production, last, middle, down the size between the plate can also be other ratio, for example 25%, 50%, 25%; But when three ratios between the plate specifically are set, need take all factors into consideration upper and lower module proportion, when upper and lower module proportion too little; Then the alignment pin of wiring board is prone to get into intermediate plate; Cause intermediate plate to need frequent change,, then can't embody best utilization rate if upper and lower module ratio is too big.
Because of the plate body of present embodiment last plate, intermediate plate and the following plate by zero-clearance, detachable amalgamation combines; When the frequent last plate of alignment pin plug, following plate do not have the alignment pin attachment surface; Do not have when effectively utilizing area; Can upper and lower plate exchange amalgamation be used the service life of plate and following plate in the prolongation.And do not have again behind the upper and lower plate after changing when effectively utilizing area, the upper and lower plate that can only more renew, and intermediate plate can keep the continuation use, effectively improves the utilization rate of backing plate.
The foregoing description is the preferred implementation of the utility model, and in addition, the utility model can also have other implementations.That is to say that under the prerequisite that does not break away from the utility model design, any conspicuous replacement also should fall within the protection domain of the utility model.
Claims (4)
1. backing plate is used in a wiring board boring; Comprise plate body; Plate body is provided with a plurality of being used for plate is fixed on the screw hole (1) on the board table top; It is characterized in that: said plate body comprises last plate (2), intermediate plate (3) and the following plate (4) of zero-clearance, detachable amalgamation successively, and said screw hole (1) is distributed on plate (2), intermediate plate (3) and the following plate (4).
2. backing plate is used in wiring board boring according to claim 1, it is characterized in that: the ratio that the said size that goes up plate (2), intermediate plate (3) and following plate (4) accounts for the plate body overall size is respectively 20%, 60%, 20%.
3. backing plate is used in wiring board boring according to claim 2, it is characterized in that: said going up on plate (2), intermediate plate (3), the following plate (4) is provided with 5,4,5 screw holes (1) that the aperture is identical respectively at least.
4. backing plate is used in wiring board boring according to claim 3, and it is characterized in that: the aperture of said screw hole (1) is 6-12mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202681466U CN202169390U (en) | 2011-07-27 | 2011-07-27 | Backing board for drilling circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202681466U CN202169390U (en) | 2011-07-27 | 2011-07-27 | Backing board for drilling circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202169390U true CN202169390U (en) | 2012-03-21 |
Family
ID=45827594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202681466U Expired - Fee Related CN202169390U (en) | 2011-07-27 | 2011-07-27 | Backing board for drilling circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202169390U (en) |
-
2011
- 2011-07-27 CN CN2011202681466U patent/CN202169390U/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 | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Xinqiao Village town of freshwater Cheng technology garden 516211 Guangdong province Huizhou city Huiyang District Patentee after: Victory Giant Technology (Huizhou) Co., Ltd. Address before: Xinqiao Village town of freshwater Cheng technology garden 516211 Guangdong province Huizhou city Huiyang District Patentee before: Victory Giant Technology(HuiZhou)Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120321 Termination date: 20170727 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |