CN213381865U - Backing plate for drilling circuit board - Google Patents
Backing plate for drilling circuit board Download PDFInfo
- Publication number
- CN213381865U CN213381865U CN202021753808.4U CN202021753808U CN213381865U CN 213381865 U CN213381865 U CN 213381865U CN 202021753808 U CN202021753808 U CN 202021753808U CN 213381865 U CN213381865 U CN 213381865U
- Authority
- CN
- China
- Prior art keywords
- plate
- drilling
- board
- mainboard
- picture peg
- Prior art date
- 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
Links
- 238000005553 drilling Methods 0.000 title claims abstract description 22
- 230000006835 compression Effects 0.000 claims description 9
- 238000007906 compression Methods 0.000 claims description 9
- 210000001503 joint Anatomy 0.000 claims description 9
- 239000004576 sand Substances 0.000 claims description 2
- 241001074085 Scophthalmus aquosus Species 0.000 claims 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 235000019994 cava Nutrition 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Connection Of Plates (AREA)
Abstract
The utility model discloses a backing plate is used in drilling of circuit board, including central mainboard and the side extension board of being connected with central mainboard both ends, the slot has all been opened at the both sides face both ends of central mainboard symmetry, and is two sets of the side extension board all is equipped with the plug connector towards a side both ends of central mainboard to it is connected, two sets of to assemble with central mainboard in inserting the slot through the plug connector the top face of side extension board opens and shuts between two parties has the draw-in groove, and has pegged graft the locating plate in the draw-in groove, the even interval in the top face of locating plate is lived in the multiunit. The base plate for drilling the circuit board can form base plates with different sizes according to the central main boards with different sizes, so that the base plate is suitable for circuit boards with different sizes; and meanwhile, the side supporting plate and the central main plate are detachable, and the positioning plate in the side supporting plate is detachable, so that when the base plate is fixed by the positioning plate, the positioning plate can be replaced timely when the positioning hole is abraded, and the service life of the whole body is prolonged.
Description
Technical Field
The utility model belongs to the technical field of printed circuit board production, concretely relates to backing plate is used in drilling of circuit board.
Background
With the rapid development of electronic technology, electronic products are used more and more widely, and printed circuit boards are important parts of electronic products, and the quality of the electronic products is affected by the production process of the printed circuit boards. In the circuit board production process, need bore on the panel and establish holes such as a large amount of locating holes, heavy copper hole, in the drilling process, generally need set up the backing plate in the panel below to support panel, avoid panel deformation and influence drilling accuracy, in addition, the edge of backing plate generally still is equipped with a plurality of locating holes, can fix panel on the backing plate through the locating pin that pierces through panel, avoids drilling in-process panel shake, skew.
The existing base plate for drilling needs to take down the positioning pin of the base plate after drilling is finished, and when the existing base plate for drilling is used for a long time, the positioning pin inserted into the positioning hole is easily abraded, so that the positioning precision is influenced, the base plate needs to be replaced, and the cost is wasted; when current backing plate uses simultaneously, need select the backing plate of unidimensional according to the circuit board size to the backing plate of current split formula is when using, and the applicable scope is little.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a backing plate is used in drilling of circuit board to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a backing plate for drilling of circuit board, includes central mainboard and the side extension board of being connected with central mainboard both ends, the slot has all been opened at the both sides face both ends of central mainboard symmetry, and is two sets of side extension board all is equipped with the plug connector towards a side both ends of central mainboard to it is connected with central mainboard assembly to insert in the slot through the plug connector, and is two sets of open and shut between two parties on the top face of side extension board has the draw-in groove, and has spliced in the draw-in groove has the locating plate, the even interval of top face of locating plate is bored in.
Preferably, the clamping groove is a rectangular groove, side grooves are formed in the middle of two symmetrical side walls of the rectangular groove and are inwards recessed, the positioning plate is matched in the rectangular groove, and protruding strips matched with the side grooves are arranged at two ends of the positioning plate in a protruding mode.
Preferably, locking bolts are arranged in the middle of two symmetrical side faces of the side support plate, and screw ends of the locking bolts extend into the clamping grooves to be fixed with the positioning plate in a threaded mode.
Preferably, the plug connector comprises a plug board arranged on one side surface of the positioning plate facing the central main board and a butt plate arranged on the upper end surface and the lower end surface of the plug board, wherein the plug board and the positioning plate are integrally arranged, and the plug board is matched with the slot.
Preferably, the upper and lower both ends face of picture peg all is seted up flutedly, every group all be equipped with two sets of compression spring in the recess, the butt plate is established in the inner chamber upper end of recess, and the bottom of butt plate and compression spring's top fixed connection.
Preferably, the butt joint board is trapezoidal platelike structure, and the trapezoidal inclined plane bottom of butt joint board is respectively with the upper and lower terminal surface parallel and level of picture peg, and the bottom on this trapezoidal inclined plane is located the picture peg and keeps away from the one end of side extension board.
The utility model discloses a technological effect and advantage: the base plate for drilling the circuit board comprises a base plate main body consisting of a central main plate and two groups of side supporting plates, wherein the two groups of side supporting plates are detachably connected with the central main plate through plug connectors, so that when the base plate main body is formed, base plates with different sizes can be formed according to the central main plates with different sizes, and the base plate can adapt to circuit boards with different sizes when in use; the side extension board is dismantled with central mainboard simultaneously, and the dismantlement of locating plate in the side extension board can be timely when the locating plate is fixed with the backing plate, when wearing and tearing appear in the locating hole, replaces the locating plate, prolongs holistic life to more replacing, need not wholly to replace, improved the utilization ratio of backing plate, and the loss of cost is reduced.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the present invention in a disassembled state;
fig. 3 is a cross-sectional view of the connector of the present invention.
In the figure: 1. a central main board; 2. a side support plate; 3. a card slot; 4. positioning holes; 5. positioning a plate; 6. locking the bolt; 7. a slot; 8. a plug-in unit; 9. inserting plates; 10. a groove; 11. a butt joint plate; 12. a compression spring;
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a backing plate for drilling of circuit board as shown in fig. 1-3, including central mainboard 1 and the side extension board 2 of being connected with central mainboard 1 both ends, slot 7 has all been opened at the both sides face both ends of central mainboard 1 symmetry, and slot 7 is the rectangular channel, and is two sets of side extension board 2 all is equipped with plug connector 8 towards a side both ends of central mainboard 1 to it is connected, two sets of to assemble with central mainboard 1 in inserting slot 7 through plug connector 8 open and shut between two parties side extension board 2's top face has draw-in groove 3, and has inserted locating plate 5 in the draw-in groove 3, even interval is bored in the middle of locating plate 5's top face has multiunit locating hole 4, and locating hole 4 is the screw hole, and the backing plate that conveniently constitutes wholly fixes a position fixedly.
Specifically, draw-in groove 3 is the rectangular channel, and all inwards caves in the middle of the both sides wall of rectangular channel symmetry have a side channel, wherein locating plate 5 coincide in the rectangular channel, and the both ends of locating plate 5 all the protrusion be equipped with the anastomotic sand grip of side channel, guarantee the accurate when locating plate 5 is connected with side extension board 2.
Specifically, all install locking bolt 6 in the middle of the both sides face of side extension board 2 symmetry, wherein locking bolt 6's screw rod end stretches into in draw-in groove 3 and 5 threaded fastening of locating plate, conveniently fixes and subsequent dismantlement locating plate 5.
Specifically, plug connector 8 is including setting up at 5 picture pegs 9 and the butt board 11 of setting both ends face department about picture peg 9 of locating plate towards a side of central mainboard 1, wherein picture peg 9 is integrative setting with locating plate 5, and picture peg 9 coincide with inserting 7 grooves.
Specifically, the upper end face and the lower end face of the inserting plate 9 are provided with grooves 10 and each group of the grooves 10 are internally provided with two groups of compression springs 12, the abutting plate 11 is arranged at the upper end of an inner cavity of each groove 10, and the bottom end of the abutting plate 11 is fixedly connected with the top ends of the compression springs 12.
Specifically, butt joint board 11 is trapezoidal platelike structure, and the trapezoidal inclined plane bottom of butt joint board 11 respectively with the last lower terminal surface parallel and level of picture peg 9, and the bottom on this trapezoidal inclined plane is located the one end that side extension board 2 was kept away from to picture peg 9, can compress butt joint board 11 when picture peg 9 gets into slot 7 to by compression spring's bounce-back, in order to improve the fixed effect in slot 7.
The theory of operation, this backing plate for circuit board drilling, when using, earlier in the slot 7 of central mainboard 1 of 8 suction of plug connectors of side extension board 2, picture peg 9 is when stretching into slot 7, butt board 11 is compressed downwards, when entering into slot 7 completely until picture peg 9, butt board 11 is by compression spring 12's bounce-back, make butt board 11 top respectively with the upper and lower inner wall butt of slot 7, realize being connected of side extension board 2 and central mainboard 1, when dismantling, directly extract side extension board 2 can, side extension board 2 is fixed to be accomplished the back, insert locating plate 5 in the draw-in groove 3 of side extension board 2, then insert locating plate 5 with locking bolt 6 from the side of side extension board, accomplish the fixed back of locating plate 5, place the backing plate after the combination and use circuit board below.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (6)
1. The utility model provides a backing plate is used in drilling of circuit board, includes central mainboard (1) and side extension board (2) of being connected with central mainboard (1) both ends, its characterized in that: slot (7) have all been opened at the both sides face both ends of center mainboard (1) symmetry, and are two sets of side extension board (2) all are equipped with plug connector (8) towards a side both ends of center mainboard (1) to insert in slot (7) through plug connector (8) and assemble with center mainboard (1) and be connected, and are two sets of the top face of side extension board (2) opens and shuts between two parties has draw-in groove (3), and has pegged graft in draw-in groove (3) locating plate (5), even interval brill has multiunit locating hole (4) in the middle of the top face of locating plate (5).
2. The pad for drilling a wiring board according to claim 1, wherein: draw-in groove (3) are the rectangular channel, and all inwards cave in the middle of the both sides wall of rectangular channel symmetry and have the side channel, wherein locating plate (5) coincide in the rectangular channel, and the both ends of locating plate (5) all the protrusion be equipped with the anastomotic sand grip of side channel.
3. The pad for drilling a wiring board according to claim 2, wherein: and locking bolts (6) are arranged in the middle of two symmetrical side surfaces of the side support plate (2), wherein the screw rod ends of the locking bolts (6) extend into the clamping grooves (3) to be fixed with the positioning plate (5) in a threaded manner.
4. The pad for drilling a wiring board according to claim 1, wherein: plug connector (8) are including setting up picture peg (9) and butt joint board (11) of setting both ends face department about picture peg (9) at locating plate (5) orientation center mainboard (1) a side, wherein picture peg (9) are integrative setting with locating plate (5), and picture peg (9) coincide with the slot.
5. The pad for drilling a wiring board according to claim 4, wherein: recess (10) are all seted up to both ends face about picture peg (9), every group all be equipped with two sets of compression spring (12) in recess (10), establish in the inner chamber upper end of recess (10) butt board (11), and the top fixed connection of the bottom of butt board (11) and compression spring (12).
6. The pad for drilling a wiring board according to claim 5, wherein: the butt joint board (11) is trapezoidal platelike structure, and the trapezoidal inclined plane bottom of butt joint board (11) is parallel and level with the upper and lower terminal surface of picture peg (9) respectively, and the bottom on this trapezoidal inclined plane is located the one end that side extension board (2) were kept away from in picture peg (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021753808.4U CN213381865U (en) | 2020-08-20 | 2020-08-20 | Backing plate for drilling circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021753808.4U CN213381865U (en) | 2020-08-20 | 2020-08-20 | Backing plate for drilling circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213381865U true CN213381865U (en) | 2021-06-08 |
Family
ID=76207595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021753808.4U Expired - Fee Related CN213381865U (en) | 2020-08-20 | 2020-08-20 | Backing plate for drilling circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213381865U (en) |
-
2020
- 2020-08-20 CN CN202021753808.4U patent/CN213381865U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210608 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |