CN207479679U - Remove the gred drill bit in a kind of prepressing type pcb board hole - Google Patents
Remove the gred drill bit in a kind of prepressing type pcb board hole Download PDFInfo
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- CN207479679U CN207479679U CN201721059754.XU CN201721059754U CN207479679U CN 207479679 U CN207479679 U CN 207479679U CN 201721059754 U CN201721059754 U CN 201721059754U CN 207479679 U CN207479679 U CN 207479679U
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- hollow bushing
- pcb board
- baffle
- gred
- pressing sleeve
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Abstract
The utility model discloses a kind of prepressing type pcb board hole slagging-off drill bits, including hollow bushing, the stop collar that quantity is 2 is arranged symmetrically along the hollow bushing, drill mechanism, adjusting block, spring, pressing sleeve, trim ring, baffle, steel ball, hollow bushing is inserted into pcb board hole to be removed the gred, spring-compressed, so as to reaction pressing sleeve, so that steel ball is contacted with pcb board, then, hollow bushing rotates, under the damping action of elastic, drill mechanism is subject to centrifugal forces slowly to stretch out, the slag adhered in hole is smashed removal by the cutter head being arranged in drill mechanism, hole wall after hairbrush processes cutter head cleans, so as to which slag be removed, simultaneously, steel ball rolls between trim ring and baffle, so as to keep compressing effect.The apparatus structure is simple, can effectively remove slag, the bits of the attachment of PCB aperture inner wall, not only environmentally friendly, moreover, removal effect is good, meanwhile, precompressed can be carried out automatically, prevented pcb board deformation from hole wall being caused to destroy, improved pcb board yield.
Description
Technical field
The utility model is related to a kind of mechanical device more particularly to a kind of prepressing type pcb board hole slagging-off drill bits.
Background technology
Printed wiring board, also known as pcb board are the supporters of electronic component, are the loads of electronic component electrical connection
Body, the complex manufacturing technology of pcb board, general flow are：Sawing sheet, one bronze medal of drilling, electroless copper plating (PTH) and plating, pattern transfer
(circuit), graphic plating (two bronze medal) and plating protection tin, etching (SES), middle inspection, welding resistance (SolderMask), lettering symbol, gold
Metal surface processing, finished product molding, electrical testing, visual examination (FQC/OQA), packaging shipment, pcb board after piercing, PCB drilling in
There is certain probability adherency glue residue, therefore, pcb board carries out the Slag treatment that removes photoresist before heavy copper, and existing method has by manually will
De-smear removal and medicament remove two kinds in pcb board hole, and de-smear is gone often directly to disclose glue residue using hammer drill manually, due to
Pcb board pore size differs, and generally requires the hammer drill of plurality of specifications, and when de-smear generally requires to take considerable time in hammer drill
In switching, meanwhile, often process one piece of pcb board will clamping it is primary, time-consuming, causes production efficiency low.In view of disadvantages described above,
It is really necessary to design a kind of prepressing type pcb board hole slagging-off drill bit.
Utility model content
The purpose of this utility model is to provide a kind of prepressing type pcb board hole slagging-off drill bit, prepressing type pcb board hole slagging-off
Drill bit can adapt to processed pcb board bore dia automatically, meanwhile, automatic prepressing effectively improves production efficiency.
In order to solve the above technical problems, the technical solution of the utility model is：Remove the gred drill bit in a kind of prepressing type pcb board hole,
The stop collar that quantity is 2, drill mechanism, adjusting block, spring, pressure are arranged symmetrically including hollow bushing, along the hollow bushing
Set, trim ring, baffle, steel ball, the stop collar are embedded in the tube wall of hollow bushing, the stop collar and hollow bushing close-fitting
It is connected, the drill mechanism is connected through stop collar, the drill mechanism with stop collar gap, and the adjusting block is located at
Hollow bushing outer upper end, the adjusting block are connected with hollow bushing screw thread, and the spring is located at adjusting block lower end and position
On the outside of hollow bushing, the spring is weldingly connected with adjusting block and is movably connected with hollow bushing, and the pressing sleeve is located at
On the outside of hollow bushing and positioned at lower spring end, the pressing sleeve is connected with hollow bushing gap and is weldingly connected with spring, described
Trim ring be located at pressing sleeve lower end, the trim ring is connected with pressing sleeve screw thread, and the baffle is located at pressing sleeve lower end, the baffle
Be connected with pressing sleeve screw thread, the steel ball is located at trim ring lower end and the steel ball described in the baffle is movably connected with trim ring and with gear
Plate is movably connected；
The drill mechanism further includes baffle, cutting, hairbrush, cutter head, elastic, the cutting through stop collar and
Positioned at baffle side, the cutting is connected with stop collar gap and is integrally connected with baffle, and the hairbrush is located at outside cutting
Side upper end, the hairbrush are connected with cutting close-fitting, and the cutter head is located at lower end on the outside of cutting, and the cutter head is with inserting
Close-fitting is connected, and the elastic is located at baffle side and on the outside of cutting, and the elastic is Nian Jie with baffle connected
And it is movably connected with cutting.
The utility model further improves as follows：
Further, the material of the cutter head is nylon.
Further, the material of the elastic is rubber.
Further, the hollow bushing is additionally provided with gib block, and the gib block is located at hollow bushing outer upper end,
The gib block is integrally connected with hollow bushing.
Further, the hollow bushing is additionally provided with guide part, and the guide part is located at hollow bushing bottom, described
Guide part be integrally connected with hollow bushing.
Further, the elastic is additionally provided with ball head, and the ball head is located at elastic top end, the ball
Head is integrally connected with elastic.
Further, the pressing sleeve is additionally provided with guide sleeve, and the guide sleeve is located at pressing sleeve upper end and is run through by hollow bushing,
The guide sleeve is integrally connected with pressing sleeve and is connected with hollow bushing gap.
Further, the guide sleeve is additionally provided with guide groove, and the guide groove is located on the inside of guide sleeve, the guide groove not through
Guide sleeve, gib block cooperate with guide groove so that pressing sleeve can be slided up and down along hollow bushing and be rotated with hollow bushing.
Compared with prior art, prepressing type pcb board hole slagging-off drill bit, during work, hollow bushing is inserted into PCB to be removed the gred
In plate hole, spring-compressed, so as to reaction pressing sleeve so that steel ball is contacted with pcb board, position of the setting adjusting block on hollow bushing
It puts, you can the pressing force of pcb board more than adjusting steel ball, then, and hollow bushing rotation, under the damping action of elastic, drill machine
Structure is subject to centrifugal forces slowly to be stretched out, and the slag adhered in hole is smashed removal, hairbrush by the cutter head being arranged in drill mechanism
Hole wall after being processed to cutter head cleans, so as to which slag be removed, meanwhile, steel ball rolls between trim ring and baffle, so as to protect
Hold compression effect.The apparatus structure is simple, can effectively remove slag, the bits of the attachment of PCB aperture inner wall, not only environmentally friendly, moreover, removal effect
Fruit is good, meanwhile, precompressed can be carried out automatically, prevented pcb board deformation from hole wall being caused to destroy, improved pcb board yield.
Description of the drawings
Fig. 1 shows the utility model front view
Fig. 2 shows the utility model drill mechanism structure schematic diagrames
Fig. 3 shows the utility model pressing sleeve vertical view
1 stop collar 2 of hollow bushing
3 adjusting block 4 of drill mechanism
5 pressing sleeve 6 of spring
7 baffle 8 of trim ring
9 gib block 101 of steel ball
102 baffle 301 of guide part
302 hairbrush 303 of cutting
304 elastic 305 of cutter head
306 guide sleeve 604 of ball head
Guide groove 602
Specific embodiment
As shown in Figure 1, Figure 2, Figure 3 shows, a kind of prepressing type pcb board hole slagging-off drill bit, including hollow bushing 1, along described hollow
Casing 1 is arranged symmetrically the stop collar 2 that quantity is 2, drill mechanism 3, adjusting block 4, spring 5, pressing sleeve 6, trim ring 7, baffle 8, steel
Ball 9, the stop collar 2 are embedded in the tube wall of hollow bushing 1, and the stop collar 2 is connected with 1 close-fitting of hollow bushing, described
Drill mechanism 3 through stop collar 2, the drill mechanism 3 is connected with 2 gap of stop collar, and the adjusting block 4 is positioned at hollow
1 outer upper end of casing, the adjusting block 4 are connected with 1 screw thread of hollow bushing, and the spring 5 is located at 4 lower end of adjusting block and position
In 1 outside of hollow bushing, the spring 5 is weldingly connected with adjusting block 4 and is movably connected with hollow bushing 1, the pressing sleeve 6
Positioned at 1 outside of hollow bushing and positioned at 5 lower end of spring, the pressing sleeve 6 is connected with 1 gap of hollow bushing and is welded with spring 5
It is connected, the trim ring 7 is located at 6 lower end of pressing sleeve, and the trim ring 7 is connected with 6 screw thread of pressing sleeve, and the baffle 8 is located at pressing sleeve 6
Lower end, the baffle 8 are connected with 6 screw thread of pressing sleeve, and the steel ball 9 is located at 7 lower end of trim ring and through baffle 8, the steel
Ball 9 is movably connected with trim ring 7 and is movably connected with baffle 8；The drill mechanism 3 further includes baffle 301, cutting 302, hairbrush
303rd, cutter head 304, elastic 305, the cutting 302 is through stop collar 2 and positioned at 301 side of baffle, the cutting 302
It is connected with 2 gap of stop collar and is integrally connected with baffle 301, the hairbrush 303 is located at 302 outer upper end of cutting, described
Hairbrush 303 is connected with 302 close-fitting of cutting, the cutter head 304 be located at be located at 302 outside lower end of cutting, the cutter head 304 with
302 close-fitting of cutting is connected, and the elastic 305 is located at 301 side of baffle and positioned at 302 outside of cutting, the elastic
305 it is Nian Jie with baffle 301 be connected and be movably connected with cutting 302, the material of the cutter head 304 is nylon, the elastic 305
Material for rubber, the hollow bushing 1 is additionally provided with gib block 101, and the gib block 101 is located on the outside of hollow bushing 1
Upper end, the gib block 101 are integrally connected with hollow bushing 1, and the hollow bushing 1 is additionally provided with guide part 102, described
Guide part 102 is located at 1 bottom of hollow bushing, and the guide part 102 is integrally connected with hollow bushing 1, the elastic 305
Ball head 306 is additionally provided with, the ball head 306 is located at 305 top of elastic, the ball head 306 and elastic 305 1
Body is connected, and the pressing sleeve 6 is additionally provided with guide sleeve 601, and the guide sleeve 601 is located at 6 upper end of pressing sleeve and is run through by hollow bushing 1,
The guide sleeve 601 is integrally connected with pressing sleeve 6 and is connected with 1 gap of hollow bushing, and the guide sleeve 601 is additionally provided with guide groove 602,
The guide groove 602 is located at 601 inside of guide sleeve, and the guide groove 602 is not through guide sleeve 601, gib block 101 and 602 phase of guide groove
Mutually cooperation so that pressing sleeve 6 can be slided up and down along hollow bushing 1 and be rotated with hollow bushing 1, and prepressing type pcb board hole slagging-off is bored
Head, during work, hollow bushing 1 is inserted into pcb board hole to be removed the gred, and spring 5 compresses, so as to reaction pressing sleeve 6 so that steel ball 9
It is contacted with pcb board, position of the setting adjusting block 4 on hollow bushing 1, you can the pressing force of more than 9 pcb board of steel ball is adjusted, then,
Hollow bushing 1 rotates, and under the damping action of elastic 305, drill mechanism 3 is subject to centrifugal forces slowly to stretch out, setting
The slag adhered in hole is smashed removal by the cutter head 304 in drill mechanism 3, and the hole wall after hairbrush 303 processes cutter head 304 carries out
It cleans, so as to which slag be removed, meanwhile, steel ball 9 rolls between trim ring 7 and baffle 8, so as to keep compressing effect.The device knot
Structure is simple, can effectively remove slag, the bits of the attachment of PCB aperture inner wall, not only environmentally friendly, moreover, removal effect is good, meanwhile, can automatically into
Row precompressed prevents pcb board deformation from hole wall being caused to destroy, improves pcb board yield.
The utility model is not limited to above-mentioned specific embodiment, and those of ordinary skill in the art visualize from above-mentioned
Hair, without performing creative labour, the various transformation made are all fallen within the scope of protection of the utility model.
Claims (8)
- The drill bit 1. a kind of prepressing type pcb board hole is removed the gred, it is characterised in that be arranged symmetrically including hollow bushing, along the hollow bushing Quantity is the stop collar of 2, drill mechanism, adjusting block, spring, pressing sleeve, trim ring, baffle, steel ball, and stop collar insertion is empty In the tube wall of heart casing, the stop collar is connected with hollow bushing close-fitting, and the drill mechanism runs through stop collar, described Drill mechanism is connected with stop collar gap, and the adjusting block is located at hollow bushing outer upper end, the adjusting block with it is hollow Casing threads is connected, and the spring is located at adjusting block lower end and on the outside of hollow bushing, and the spring is welded with adjusting block It connects and is connected and is movably connected with hollow bushing, the pressing sleeve is located on the outside of hollow bushing and positioned at lower spring end, the pressure Set is connected with hollow bushing gap and is weldingly connected with spring, and the trim ring is located at pressing sleeve lower end, the trim ring and pressing sleeve Screw thread is connected, and the baffle is located at pressing sleeve lower end, and the baffle is connected with pressing sleeve screw thread, and the steel ball is located under trim ring It holds and is movably connected with trim ring and is movably connected with baffle through the steel ball described in baffle；The drill mechanism further includes baffle, cutting, hairbrush, cutter head, elastic, and the cutting is through stop collar and is located at Baffle side, the cutting are connected with stop collar gap and are integrally connected with baffle, and the hairbrush is located on cutting outside End, the hairbrush are connected with cutting close-fitting, and the cutter head is located at lower end on the outside of cutting, and the cutter head and cutting are tight With being connected, the elastic is located at baffle side and on the outside of the cutting, the elastic it is Nian Jie with baffle connected and with Cutting is movably connected.
- The drill bit 2. prepressing type pcb board hole as described in claim 1 is removed the gred, it is characterised in that the material of the cutter head is nylon.
- The drill bit 3. prepressing type pcb board hole as described in claim 1 is removed the gred, it is characterised in that the material of the elastic is rubber Glue.
- The drill bit 4. prepressing type pcb board hole as described in claim 1 is removed the gred, it is characterised in that the hollow bushing, which is additionally provided with, leads To item, the gib block is located at hollow bushing outer upper end, and the gib block is integrally connected with hollow bushing.
- The drill bit 5. prepressing type pcb board hole as described in claim 1 is removed the gred, it is characterised in that the hollow bushing, which is additionally provided with, leads To portion, the guide part is located at hollow bushing bottom, and the guide part is integrally connected with hollow bushing.
- The drill bit 6. prepressing type pcb board hole as described in claim 1 is removed the gred, it is characterised in that the elastic is additionally provided with bulb Portion, the ball head are located at elastic top end, and the ball head is integrally connected with elastic.
- The drill bit 7. prepressing type pcb board hole as described in claim 1 is removed the gred, it is characterised in that the pressing sleeve is additionally provided with guide sleeve, The guide sleeve is located at pressing sleeve upper end and is run through by hollow bushing, and the guide sleeve and pressing sleeve are integrally connected and between hollow bushing Gap is connected.
- The drill bit 8. prepressing type pcb board hole as claimed in claim 7 is removed the gred, it is characterised in that the guide sleeve is additionally provided with guide groove, The guide groove is located on the inside of guide sleeve, and the guide groove is not through guide sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721059754.XU CN207479679U (en) | 2017-08-23 | 2017-08-23 | Remove the gred drill bit in a kind of prepressing type pcb board hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721059754.XU CN207479679U (en) | 2017-08-23 | 2017-08-23 | Remove the gred drill bit in a kind of prepressing type pcb board hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207479679U true CN207479679U (en) | 2018-06-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721059754.XU Active CN207479679U (en) | 2017-08-23 | 2017-08-23 | Remove the gred drill bit in a kind of prepressing type pcb board hole |
Country Status (1)
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| CN (1) | CN207479679U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107442820A (en) * | 2017-08-23 | 2017-12-08 | 苏州市吴通电子有限公司 | Remove the gred drill bit in a kind of prepressing type pcb board hole |
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2017
- 2017-08-23 CN CN201721059754.XU patent/CN207479679U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107442820A (en) * | 2017-08-23 | 2017-12-08 | 苏州市吴通电子有限公司 | Remove the gred drill bit in a kind of prepressing type pcb board hole |
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