CN202364477U - Dual-purpose device for hole drilling and overhaul of circuit board - Google Patents

Dual-purpose device for hole drilling and overhaul of circuit board Download PDF

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Publication number
CN202364477U
CN202364477U CN2011205223629U CN201120522362U CN202364477U CN 202364477 U CN202364477 U CN 202364477U CN 2011205223629 U CN2011205223629 U CN 2011205223629U CN 201120522362 U CN201120522362 U CN 201120522362U CN 202364477 U CN202364477 U CN 202364477U
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CN
China
Prior art keywords
drilling machine
operating platform
led
dual
hole drilling
Prior art date
Application number
CN2011205223629U
Other languages
Chinese (zh)
Inventor
雷光临
秦鑫
申杰奋
董兵超
赵合运
Original Assignee
赵合运
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Application filed by 赵合运 filed Critical 赵合运
Priority to CN2011205223629U priority Critical patent/CN202364477U/en
Application granted granted Critical
Publication of CN202364477U publication Critical patent/CN202364477U/en

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Abstract

The utility model relates to a dual-purpose device for hole drilling and overhaul of a circuit board. The dual-purpose device comprises an operating platform. A hole drilling machine and a power control mechanism are arranged on a machine frame under the operating platform, a through hole matched with a drill is arranged at the position where the operating platform corresponds to the drill of the hole drilling machine, and the drill of the hole drilling machine extends out of the operating platform upward. A light-emitting diode (LED) or an LED displayer is arranged on the operating platform and fixed above the operating platform through a support, and a microscope camera is hinged to and fixed onto the operating platform or the LED or the LED displayer and is connected with the LED or the LED displayer through data lines. Holes to be drilled or overhaul positions on a printed circuit board (PCB) are subjected to video amplification by adopting a charge coupled device (CCD) camera and then displayed in the LED or the LED displayer, thereby achieving accurate positioning. The dual-purpose device for the hole drilling and the overhaul of the circuit board is simple in structure, low in manufacture cost and convenient to use.

Description

Wiring board boring, maintenance dual-purpose apparatus

Technical field

The utility model relates to a kind of printed circuit board drilling and apparatus for examination and repair, particularly relates to a kind of video that utilizes and amplifies pinpoint printed circuit board drilling and apparatus for examination and repair.

Background technology

Under amateur condition, printed circuit board drilling adopts common electric bench drill or miniature electric hand drill usually, and these two types of electric drills are difficult to accurately locate for the hole of diameter less than 1mm, the boring skew often occurs and the phenomenon of damage pcb board.And the numerical control drilling machine complex structure of commercial printing circuit board, price is high, all more than several ten thousand yuan, is difficult to popularize.Therefore relevant technologies personnel and electrophile low, the easy to use pcb board drilling equipment that proposed some costs in succession.But these drilling equipment structures are different, and function also is not quite similar.

The utility model content

The utility model is not enough to prior art, proposes a kind of simple in structure, micro-amplification, video circuit twist drill hole, maintenance dual-purpose apparatus that cost of manufacture is low, easy to use.

The technical scheme that the utility model adopted:

A kind of wiring board boring, maintenance dual-purpose apparatus; Contain operating platform; On the following methods, rack of said operating platform, be provided with drilling machine and power control mechanism, on the said operating platform with the drill bit corresponding position of drilling machine be provided with one with the through hole of drill bit coupling, the drill bit of drilling machine extends upwardly out operating platform; On operating platform, be provided with a LED or LCD display; Said LED or LCD display are fixed on the top of said operating platform through a support, and on said operating platform or the fixing microimaging head of the bottom-hinged of LED or LCD display, said microimaging head connects LED or LCD display through data wire.

Described wiring board boring, maintenance dual-purpose apparatus; Upper and lower being slidingly arranged on one group of slide rail of drilling machine coupling; Below the casing of said drilling machine, be provided with one with its coupling and go up and down to control lever, said up-down control lever is " Z " font, and the one of which end is connected bottom the drilling machine that is installed on the slide rail or is hinged; The other end connects an electromagnet, and the pedal control switch of said electromagnet and power control mechanism is connected; Said pedal control switch inserts the drilling machine electric control loop.

Described wiring board boring, maintenance dual-purpose apparatus; The designed drilling machine adopted DC micromotor; The rectification output of DC power supply connects drilling machine through a high speed field effect transistor switch pipe G1; For the moment basic circuit NE555 output connects high speed field effect transistor switch pipe G1, and said time-base circuit is provided with the delay circuit of being made up of time-delay adjusting resistance R 3 and delay capacitor C4, and a winding point of said pedal control switch inserts time-base circuit NE555.

Described wiring board boring, maintenance dual-purpose apparatus, microimaging head adopt CCD simulation camera, and camera is through the bottom hinge joint of a ball cage type displacement structure and LED or LCD display.

The useful good effect of the utility model:

1, the utility model wiring board boring, maintenance dual-purpose apparatus, easy to use, borehole accuracy reaches professional standards fully, is particularly useful for big, special secondary school universities and colleges laboratory and scientific research institution and uses.Employing CCD camera is holed to treating on the pcb board or is overhauled the position and carry out in LED or LCD display, showing after video amplifies, and realizes accurately location.Its line magnification ratio can reach 30 times, and the area magnification ratio can reach 900 times, and the details of can our eyes of clear demonstration can't see is specially adapted to the maintenance of mini component.

2, the utility model wiring board boring, maintenance dual-purpose apparatus, simple in structure, cost of manufacture is low, can be widely used in the making and the maintenance of big, special secondary school universities and colleges, scientific research institution and electrophile's pcb board, easy to utilize.As drilling machine, can use two hands to hold printed circuit board (PCB) simultaneously, easy for operation, borehole accuracy is higher, speed is faster, and its borehole accuracy and quality reach professional standards; As examining-repairing instrument, can check the fault of pcb board and circuit board, be adapted to the making of PCB under specialty and the amateur condition.

Description of drawings

Fig. 1: the boring of the utility model wiring board, maintenance dual-purpose apparatus structural representation;

Fig. 2: the boring of the utility model wiring board, a kind of control principle figure of maintenance dual-purpose apparatus.

Embodiment

Embodiment one: referring to Fig. 1; The boring of the utility model wiring board, maintenance dual-purpose apparatus contain operating platform 3, on the following methods, rack of said operating platform 3, are provided with drilling machine 6 and power control mechanism; On the operating platform with drill bit 4 corresponding positions of drilling machine be provided with one with the through hole of drill bit coupling; The drill bit of drilling machine extends upwardly out operating platform, on said operating platform 3, is provided with a LED (or LCD) display 2, and said LED (or LCD) display 2 is fixed on the top of operating platform through a support; Fixed installation one microimaging 1 on said operating platform, said microimaging head connects LED or LCD display through data wire.

Embodiment two: referring to Fig. 1; The wiring board boring of present embodiment, maintenance dual-purpose apparatus; Different with embodiment one is: the microimaging head adopts CCD simulation camera, and CCD simulation camera is through the bottom of a ball cage type displacement structure hinge joint at LED or LCD display.

The utility model wiring board boring, maintenance dual-purpose apparatus, microimaging 1 is adjustable with respect to LED (or LCD) display 2 or operating platform orientation, in order to drill bit 4 accurate contrapositions.Make the bit central position of itself and drilling machine corresponding through the orientation of regulating the microimaging head during boring; Make drill upwards corresponding with the picture centre of LED or LCD display; Be presented on the crosspoint, center of redness " ten " word of display; Circuit board is played the effect that micro-amplification, video show, convenient maintenance.And, help further improving borehole accuracy.

Embodiment three: referring to Fig. 1; The wiring board boring of present embodiment, maintenance dual-purpose apparatus; Different with embodiment one or embodiment two is: upper and lower being slidingly arranged on one group of slide rail 7 of drilling machine 6 couplings; Below the casing of said drilling machine, be provided with control lever 8 with its coupling, said up-down control lever 8 is " Z " font, and the one of which end is connected bottom the drilling machine that is installed on the slide rail or is hinged; The other end connects an electromagnet 9, and the pedal control switch 10 of said electromagnet 9 and power control mechanism is connected; Said pedal control switch 10 inserts the drilling machine electric control loop.

As shown in Figure 2; Wiring board boring, maintenance dual-purpose apparatus adopt direct current micro-drilling machine; Power control mechanism adopts pedal control switch 10, electromagnet 9 and the control lever 8 that goes up and down cooperates; The rectification output of DC power supply connects the micro-drilling machine through high speed field effect transistor switch pipe G1; Winding point of said pedal control switch inserts time-base circuit NE555, and said time-base circuit NE555 output connects high speed field effect transistor switch pipe G1, and said time-base circuit is provided with the delay circuit of being made up of time-delay adjusting resistance R P and delay capacitor C3.

The utility model wiring board boring, maintenance dual-purpose apparatus, microimaging 1 can be adopted CCD simulation camera, signaling mode: PAL/NTSC; Pixel (level * vertical): 500 * 582; Be equipped with special-purpose camera lens, its magnification ratio is 30 times, power supply: direct voltage 12V, power 5mw; Light-emitting diode display adopts 8 inch 4/3 digital screen, S-SYSTEM PAL/NTSC, contrast 400/1, optimum resolution 800 * 600, direct voltage 12V, power 10W, built-in redness " ten " word line.

During use; Through the image of camera 1 picked-up that is installed in drilling platform top PCB the to be holed circuit board of components and parts (or have), regulate camera position position to be holed (red " ten " word line center in the display 2) is on the drill bit 4 that stretches out in the manhole of operating platform 3 central authorities.Drill bit 4 is fixed on the drilling machine 6 through drill chuck, and drilling machine is with the control lever 8 upper and lower slip on slide rail of going up and down, and drilling machine 6 moves with the action of electromagnet 9 with the control lever 8 that goes up and down, and the action of electromagnet 9 receives the control of pedal control switch 10.When stepping on down pedal control switch 10, one of which winding point makes electromagnet 9 energising adhesives, drives control lever 8 and makes drilling machine 6 on slide rail, produce displacement upwards.Meanwhile, another winding point of pedal control switch 10 is connected the delay circuit of being made up of NE555, makes the G1 conducting, and drilling machine 6 starts.When the drilling machine of high speed rotating with foot switch, just can drive 4 pairs of pcb boards that are placed on the operating platform 3 of drill bit and hole.When pedal control switch 10 (pedal) unclamps, electromagnet discharges, and drilling machine drops to original position, accomplishes once boring.At this moment, drilling machine 6 continues rotation under the effect of delay circuit, finishes just to stop the rotation up to delay time.Under this state, can be used as the pcb board circuit board of components and parts (or have) and overhaul.

Fig. 2 is a kind of circuit control principle figure of the utility model.When circuit function required pedal control switch (pedal) attonity, drilling machine 6 did not change, and used as maintenance; Pedal control switch 10 is stepped on following time, and drilling machine 6 rotates and the time-delay certain hour, and delay time arrives, drilling machine 6 stalls.When pedal control switch 10 is not stepped on following time, one of which winding point K2-1 breaks off, and the 2nd pin of time-base circuit NE555 is a high level; The 3rd pin is output as low level, and the control end of high speed field effect transistor switch pipe IRF540N is a low level, and G1 turn-offs; The power supply of drilling machine 6 is disconnected, drilling machine 8 stalls.When pedal control switch 10 pedals are stepped on following time, the 2nd pin of the NE555 that links to each other therewith becomes low level, and the 3rd pin becomes high level, high speed field effect transistor switch pipe G1 conducting, and the power supply of drilling machine 8 is closed, the drilling machine running.Meanwhile end NE555 the 7th pin inside, and power supply just charges to C3 through RP, the time-delay beginning.Between time delay, the 3rd pin of NE555 keeps high level, and drilling machine 6 keeps running.When capacitor C 3 power on press rise to supply voltage 2/3 the time, time-delay finishes.The output of the 3rd pin changes back to low level by high level, and G1 turn-offs, drilling machine 6 stalls.The effect of delay circuit is a saves energy, has avoided the frequent starting of drilling machine simultaneously, prolongs the drilling machine life-span, increases work efficiency.Time-delay length is determined by RP, C3: delay time T=1.1RP * C3.

Said operating platform adopts metal or nonmetal to wait the hard material making, is used to place printed circuit board (PCB) to be holed.Platform can take off in order to bit change more easily.Designed drilling machine adopted RS750 or RS755 minisize dc permanent magnetism drilling machine, its rated voltage 24V, rotating speed 21000r/min, power 40W.Have characteristics such as volume is little, in light weight, low noise, life-span length.

Claims (4)

1. dual-purpose apparatus is holed, overhauled to a wiring board; Contain operating platform; On the following methods, rack of said operating platform, be provided with drilling machine and power control mechanism, on the said operating platform with the drill bit corresponding position of drilling machine be provided with one with the through hole of drill bit coupling, the drill bit of drilling machine extends upwardly out operating platform; It is characterized in that: on operating platform, be provided with a LED or LCD display; Said LED or LCD display are fixed on the top of said operating platform through a support, and on said operating platform or the fixing microimaging head of the bottom-hinged of LED or LCD display, said microimaging head connects LED or LCD display through data wire.
2. wiring board boring according to claim 1, maintenance dual-purpose apparatus; It is characterized in that: upper and lower being slidingly arranged on one group of slide rail of drilling machine coupling; Below the casing of said drilling machine, be provided with one with its coupling and go up and down to control lever, said up-down control lever is " Z " font, and the one of which end is connected bottom the drilling machine that is installed on the slide rail or is hinged; The other end connects an electromagnet, and the pedal control switch of said electromagnet and power control mechanism is connected; Said pedal control switch inserts the drilling machine electric control loop.
3. wiring board boring according to claim 2, maintenance dual-purpose apparatus; It is characterized in that: the designed drilling machine adopted DC micromotor; The rectification output of DC power supply connects drilling machine through a high speed field effect transistor switch pipe G1; For the moment basic circuit NE555 output connects high speed field effect transistor switch pipe G1, and said time-base circuit is provided with the delay circuit of being made up of time-delay adjusting resistance R 3 and delay capacitor C4, and a winding point of said pedal control switch inserts time-base circuit NE555.
4. according to claim 1,2 or 3 described wiring board borings, maintenance dual-purpose apparatus, it is characterized in that: the microimaging head adopts CCD simulation camera, and camera is through the bottom hinge joint of a ball cage type displacement structure and LED or LCD display.
CN2011205223629U 2011-12-14 2011-12-14 Dual-purpose device for hole drilling and overhaul of circuit board CN202364477U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011205223629U CN202364477U (en) 2011-12-14 2011-12-14 Dual-purpose device for hole drilling and overhaul of circuit board

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011205223629U CN202364477U (en) 2011-12-14 2011-12-14 Dual-purpose device for hole drilling and overhaul of circuit board

Publications (1)

Publication Number Publication Date
CN202364477U true CN202364477U (en) 2012-08-01

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Family Applications (1)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103786189A (en) * 2014-01-21 2014-05-14 广州兴森快捷电路科技有限公司 Drilling method for achieving PCB high hole-site precision
CN105437769A (en) * 2015-12-30 2016-03-30 天津市希统电子设备有限公司 3D printer set for quickly manufacturing PCB (printed circuit board)
CN105810134A (en) * 2016-04-04 2016-07-27 合肥博雷电子信息技术有限公司 Field test device of LED display screen
CN106583782A (en) * 2016-12-16 2017-04-26 上海市政建设有限公司 Resistance-reducing type slurry hole drilling device for large-diameter jacking pipe and construction method thereof
CN107696149A (en) * 2017-11-06 2018-02-16 江门市汇林实业有限公司 Suitable for the punch device of paper

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103786189A (en) * 2014-01-21 2014-05-14 广州兴森快捷电路科技有限公司 Drilling method for achieving PCB high hole-site precision
CN103786189B (en) * 2014-01-21 2016-08-24 广州兴森快捷电路科技有限公司 Realize the boring method of position, pcb board height hole precision
US10064284B2 (en) 2014-01-21 2018-08-28 Yixing Silicon Valley Electronics Technology Co., Ltd. Drilling method for PCBs with high hole position precision
CN105437769A (en) * 2015-12-30 2016-03-30 天津市希统电子设备有限公司 3D printer set for quickly manufacturing PCB (printed circuit board)
CN105810134A (en) * 2016-04-04 2016-07-27 合肥博雷电子信息技术有限公司 Field test device of LED display screen
CN106583782A (en) * 2016-12-16 2017-04-26 上海市政建设有限公司 Resistance-reducing type slurry hole drilling device for large-diameter jacking pipe and construction method thereof
CN107696149A (en) * 2017-11-06 2018-02-16 江门市汇林实业有限公司 Suitable for the punch device of paper

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C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120801

Termination date: 20121214

C17 Cessation of patent right