CN200981129Y - Contact type detecting device for digital control drill - Google Patents
Contact type detecting device for digital control drill Download PDFInfo
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- CN200981129Y CN200981129Y CN 200620160010 CN200620160010U CN200981129Y CN 200981129 Y CN200981129 Y CN 200981129Y CN 200620160010 CN200620160010 CN 200620160010 CN 200620160010 U CN200620160010 U CN 200620160010U CN 200981129 Y CN200981129 Y CN 200981129Y
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Abstract
The utility model relates to a contact checkout gear of a numeral control piercing machine, belonging to the piercing mechanical technology field, and designed to solve the problems of bad function and high failure rate of the numerical control piercing machine checkout gear. The utility model employs a signal detecting generator and a signal detecting transmitter consisting of a numeral control piercing machine main axle, a drill bit, a presser foot and an umbrella shaped metal nail, the signal detecting generator comprises a high-frequency voltage generating circuit, a signal detecting generating circuit and a direct supply transformation circuit which are connected together, the direct supply transformation circuit provides a five voltage direct supply, the high-frequency voltage generating circuit connected with the signal detecting generating circuit provides a high-frequency non stop voltage, and the signal detecting generator is connected with the signal detecting transmitter via a line. The utility model with a novel structure timely provides knife breaking and drill bit diameter defection information in drilling operation, having rapid drilling function, able to correctly control deepness of blind hole, applicable to various numeral control piercing machine, in particular to the numeral control piercing machine fabricating electronic wiring board, and the utility model is a novel multi-function checkout gear of the numeral control piercing machine.
Description
Technical field
The utility model relates to a kind of checkout gear of digital control drilling machine in the drilling machine technical field.
Background technology
Mechanical industry is along with the continuous development of electronics industry, the particularly extensive use of Numeric Control Technology, it is also more and more higher to the specification requirement of its processing and fabricating machinery towards being showing improvement or progress day by day of " accurate, compound, intelligent, environmental protection at a high speed, " direction fast development, especially electronic circuit board PCB further to have promoted Digit Control Machine Tool.In known technology, existing digital control drilling machine mainly is to adopt the infrared light receiving/transmitting device as its checkout gear of digital control drilling machine that is used for the electronic circuit board making, to bore cutter places among the light path, form sight alignment, if it is intact to bore cutter, the optical fiber of receiving terminal will be blocked, if bore the cutter fracture, receiving terminal just can collect optical signal, and optical signal sends the breaking signal through signal processing circuit conversion to system.But limit by its structure, this checkout gear has only the function that detects breaking, function singleness, and detect the minor diameter drill bit poor accuracy of 0.1～1.2mm, and the optical fiber that in addition transmits signal is tiny, fractures easily, and the fault rate height is made troubles to use; Especially in the bore operation process, have mistake survey situation, breaking appears sometimes and after, rig still works on, and causes boring to lose, again by manually mending brill to losing the hole with drill bit, have in addition cause the wiring board of being processed by the gross to scrap.Progressively develop towards high accuracy, highdensity direction in the face of printed circuit board POB makes processing industry, the checkout gear of its processing equipment also awaits continually developing the new product of development.
Summary of the invention
In order to overcome the deficiency of prior art, it is poor effectively to solve digital control drilling machine checkout gear function, the problem that fault rate is high, the utility model provides a kind of novel structure, when rig carries out bore operation, breaking can accurately and timely be provided, the bit diameter defect information, be convenient to the operator and in time change the unusual drill bit of appearance, can effectively control because of breaking, the circuit board that causes when bit diameter is damaged is done over again and is scrapped, can improve work efficiency greatly again, accurately control the degree of depth of blind hole, automatically adjust working plate height, its machining accuracy height, cost is low, digital control drilling machine new detection device easy to use.
The technical scheme that its technical problem that solves the utility model adopts is:
A kind of contact checkout gear of digital control drilling machine, it is provided with: signal detection generator and signal transmission device, the signal detection transmitter comprises the digital control drilling machine main shaft, drill bit, presser feet, the umbrella peg, the signal detection generator is by high frequency voltage generation circuit, signal detection generation circuit and dc source translation circuit connect to form, the dc source translation circuit is the dc source that the dc source of external 12V voltage is transformed to the required 5V voltage of this signal detection generator, the dc source translation circuit connects high frequency voltage generation circuit, signal detection generation circuit provides power supply, high frequency voltage generation circuit connects signal detection generation circuit provides high frequency free of discontinuities voltage for it, the signal detection end of signal detection generator is connected the digital control drilling machine main shaft of signal detection transmitter respectively by circuit, drill bit, presser feet, the umbrella peg, digital control drilling machine main shaft by the signal detection transmitter, drill bit, presser feet, umbrella peg drill bit when bore operation touches and constitutes signal transmission loop when linking processed wiring board copper-clad plate layer (or aluminium raft) and form a closed circuit with the signal detection generator, and signal output terminal is arranged in succession at the output of signal detection generation circuit, computer in order to the linking number control drilling machine, signal detection generation circuit by the signal detection transmitter with the digital control drilling machine bit signal that detects operate as normal or the signal of breaking fault is through amplifying conversion whether, buffering drives, the computer that is outputed to digital control drilling machine by lead-out terminal is indicated, control or breaking fault alarm, or determine drilling machine main shaft height, the control institute drilling blind hole degree of depth etc. by the signal that detects.
During use, computer with the signal output terminal linking number control drilling machine of signal detection generator of the present utility model, the umbrella peg of signal detection transmitter is affixed on the processed wiring board, because the copper-clad plate layer of processed wiring board or the aluminium raft is an electric conductor, when the bit bore operation occurs when unusual, as occurring the breaking of rod or damaged can't finish whole operation the time in the drill bit feed process, on the umbrella peg, then can occur not having normal control signal to send signal detection generation circuit to, feed back to high frequency voltage generation circuit, high frequency voltage generation this moment circuit corresponding alarm signal will occur and be input to the control computer, its signal alarm or demonstration drill bit is unusual, realize that drilling machine knife-breaking detects; Be again the signal detection transmitter presser feet also be electric conductor, when occurring the breaking of rod or damaged etc. can't finish whole operation the time in the drill bit feed process, presser feet then can occur not having normal control signal to send signal detection generation circuit to, signal is input to the control computer reports to the police or show that drill bit is unusual; When the utility model also can contact the copper-clad plate of processed circuit board or aluminium backing plate by drill bit, the closed circuit that the drilling machine main shaft of signal detection transmitter, drill bit, umbrella peg, presser feet and signal detection generator form, when electric current passes through, with this position as copper-clad plate or aluminium backing plate position F, set corresponding distance and position G according to drilling depth again, promptly be controlled to be the drill stroke distances from the F point upward to the G point, realize the fast function of boring, improve drilling efficiency greatly; When the utility model also can contact copper-clad plate or aluminium backing plate by drill bit, the closed circuit that signal detection transmitter and signal detection generator form, when electric current passes through, with this position as copper-clad plate or aluminium backing plate position F, be drilled into set depth H-L accordingly downwards according to boring the system blind hole depth again, so just can accurately control blind hole depth; The utility model can also be adjusted the function of working plate height automatically, can adjust the distance of presser feet and drill bit and working plate automatically, makes it to reach the optimum height in operator's instruction.
Because technique scheme has been adopted in the utility model design, it is poor effectively to have solved digital control drilling machine checkout gear function, the problem that fault rate is high, show through testing result on trial for several times, it compared with prior art, has novel structure, design innovation, when rig carries out bore operation, breaking can accurately and timely be provided, the information that bit diameter is damaged, be convenient to the operator and in time change the unusual drill bit of appearance, can effectively control because of breaking, the circuit board that causes when bit diameter is damaged is done over again and is scrapped, and has fast brill function again, can improve drilling efficiency greatly, accurately control the degree of depth of blind hole, automatically adjust working plate height, its machining accuracy height, advantages such as cost is low, and is easy to use, be applicable to that various digital control drilling machines especially make the digital control drilling machine of electronic circuit board, a kind of Multifunction checkout gear of coefficient control drilling machine.
Description of drawings
Below in conjunction with drawings and Examples the utility model is described in further detail.
Fig. 1 is the structure diagram of the utility model embodiment.
Fig. 2 is the basic circuit diagram of signal detection generator among Fig. 1 embodiment.
Each label is in the accompanying drawing: 1 signal detection generator, 2 digital control drilling machine main shafts, 3 drill bits, 4 presser feets, 5 wiring board copper-clad plate layers, 6 wiring board work flaggies, 7 workbench, 8 umbrella pegs.
The specific embodiment
Referring to accompanying drawing 1 embodiment, the utility model is provided with: signal detection generator 1 and by digital control drilling machine main shaft 2, drill bit 3, presser feet 4, the signal transmission device that umbrella peg 8 is formed, signal detection generator 1 is by high frequency voltage generation circuit, signal detection generation circuit and dc source translation circuit connect to form, DC voltage conversion circuit is the dc source that the dc source of external 12V voltage is transformed to the required 5V voltage of signal detection generator, DC voltage conversion circuit connects high frequency voltage generation circuit, signal detection generation circuit provides power supply, high frequency voltage generation circuit connects signal detection generation circuit provides high frequency free of discontinuities voltage for it, the signal detection end of signal detection generator is by circuit KPIK1, KPIK2, DPIK3 connects the digital control drilling machine main shaft 2 of signal detection transmitter respectively, drill bit 3, presser feet 4, umbrella peg 8, digital control drilling machine main shaft by the signal detection transmitter, drill bit, presser feet, the umbrella peg is when bore operation, drill bit touches to be linked processed wiring board copper-clad plate layer 5 (or aluminium raft) formation signal transmission loop and forms a closed circuit with the signal detection generator, and at the output of signal detection generation circuit signal output terminal DK1 is arranged in succession, EK2.
Referring to accompanying drawing 2 embodiment, the concrete formation and the circuit of high frequency voltage generation circuit, signal detection generation circuit and the dc source translation circuit of the utility model signal detection generator 1 are connected to:
The dc source translation circuit by the dc source of the external 12V voltage of three terminal regulator U1, in connect filter capacitor C1 and formed, the output of three terminal regulator U1 connects high frequency voltage generation circuit, signal detection generation circuit respectively.Three terminal regulator U1 is a L7805 type three terminal regulator.
The high-frequency square-wave signal generator that high frequency voltage generation circuit is made up of amplifier integrated circuit U2A outer meeting resistance R1-4, capacitor C 2,3 pin of the integrated circuit U2A resistance R 1-3 parallel with one another that ins succession, the other end of resistance R 2, R3 connects positive source and ground connection respectively, resistance R 4 and capacitor C 2 in the negative pole 2 pin parallel connections of integrated circuit U2A, the other end ground connection of capacitor C 2, resistance R 4 and resistance R 1 and the signal that connects integrated circuit U2A are exported 1 pin, and 1 pin of integrated circuit U2A connects signal deteching circuit.Amplifier integrated circuit U2A is a TL082 type integrated circuit, or the integrated circuit that adopts other type to be suitable for.
Signal deteching circuit is by signal amplification circuit U2B and integrated circuit U3A and integrated circuit U4 outer meeting resistance R17-27, capacitor C 5-7 forms, 5 pin of integrated circuit U2B are 1 pin that input pin connects integrated circuit U2A, the high-frequency signal of high-frequency voltage generator output is directly coupled to integrated circuit U2B cushions amplification, 7 pin of integrated circuit U2B are 3 pin of dividing potential drop output concatenation operation integrated circuit U3A behind the output pin series resistance R19, the negative pole that connects resistance R 17-18 and capacitor C 5 behind the resistance R 19 connection resistance 20 respectively, the plus earth of capacitor C 5, the other end of resistance R 17 and R18 is connected power cathode and ground connection respectively, be connected with resistance R 21-22 parallel with one another on 2 pin of integrated circuit U3A, the other end of resistance R 21 and R22 is ground connection and 1 pin that is connected integrated circuit U3A respectively, the amplification converter that integrated circuit U3A and resistance R 21-22 group are linked to be zooms into high-frequency pulse signal output with the pulse signal conversion of integrated circuit U2B input, 1 pin of integrated circuit U3A is to be divided into the two-way that is in parallel behind the output pin series resistance R23, the 2-3 pin that connects integrated circuit U4 behind one tunnel series resistance R24, the 6-7 pin that connects integrated circuit U4 behind the series resistance R25 of another road, 1 of integrated circuit U4, connect the circuit CPIK1 that connects umbrella peg on the workbench fully after the 4 pin parallel connections, 5 of integrated circuit U4, the circuit CPIK2 that connects the drilling machine presser feet after the 8 pin parallel connections, 9 of integrated circuit U4,11,13, ground connection and be connected with earth connection DPIK3 and connect drilling machine main shaft and drill bit after the 15 pin parallel connections, 12 of integrated circuit U4,16 pin are series resistance R26 respectively, behind the R27 and connect power Vcc, 14 pin of integrated circuit U4,10 pin are shunt capacitance C6 respectively, connect buffering driver U5A behind the C7, U5B, buffering driver U5A, the output of U5B is connecting 2 lead-out terminal DK1 that connect computer fully respectively, EK2.Integrated circuit U2B and integrated circuit U3A are TL082 type integrated circuit, or the integrated circuit that adopts other type to be suitable for.Integrated circuit U4 is TLP521-4 type photoelectrical coupler or other suitable type integrated circuit.Integrated circuit U5 is a SN7407 type integrated circuit, or the integrated circuit that adopts other type to be suitable for.
Claims (3)
1, a kind of contact checkout gear of digital control drilling machine, it is characterized in that, it is provided with: signal detection generator (1) and by digital control drilling machine main shaft (2), drill bit (3), presser feet (4), the signal transmission device that umbrella peg (8) is formed, signal detection generator (1) is by high frequency voltage generation circuit, signal detection generation circuit and dc source translation circuit connect to form, DC voltage conversion circuit is the dc source that the dc source of external 12V voltage is transformed to 5V voltage, the output of DC voltage conversion circuit connects high frequency voltage generation circuit and signal detection generation circuit respectively, high frequency voltage generation circuit is connected to its signal detection generation circuit that high frequency free of discontinuities voltage is provided, the signal detection end of signal detection generator is by circuit CPIK1, CPIK2, DPIK3 connects the digital control drilling machine main shaft (2) of signal detection transmitter respectively, drill bit (3), presser feet (4), umbrella peg (8), and signal output terminal DK1 is arranged in succession at the output of signal detection generation circuit, EK2.
2, the contact checkout gear of digital control drilling machine according to claim 1 is characterized in that, the concrete formation and the circuit of high frequency voltage generation circuit, signal detection generation circuit and the dc source translation circuit of signal detection generator (1) are connected to:
A, dc source translation circuit by the dc source of the external 12V voltage of three terminal regulator U1, in connect filter capacitor C1 and formed, the output of three terminal regulator U1 connects high frequency voltage generation circuit, signal detection generation circuit respectively,
B, high frequency voltage generation circuit is by amplifier integrated circuit U2A outer meeting resistance R1-4, the high-frequency square-wave signal generator that capacitor C 2 is formed, 3 pin of the integrated circuit U2A resistance R 1-3 parallel with one another that ins succession, resistance R 2, the other end of R3 connects positive source and ground connection respectively, resistance R 4 and capacitor C 2 in the negative pole 2 pin parallel connections of integrated circuit U2A, the other end ground connection of capacitor C 2, resistance R 4 and resistance R 1 and the signal that connects integrated circuit U2A are exported 1 pin, 1 pin of integrated circuit U2A connects signal deteching circuit
C, signal deteching circuit is by signal amplification circuit U2B and integrated circuit U3A and integrated circuit U4 outer meeting resistance R17-27, capacitor C 5-7 forms, 5 pin of integrated circuit U2B are 1 pin that input pin connects integrated circuit U2A, the high-frequency signal of high-frequency voltage generator output is directly coupled to integrated circuit U2B cushions amplification, 7 pin of integrated circuit U2B are 3 pin of dividing potential drop output concatenation operation integrated circuit U3A behind the output pin series resistance R19, the negative pole that connects resistance R 17-18 and capacitor C 5 behind the resistance R 19 connection resistance 20 respectively, the plus earth of capacitor C 5, the other end of resistance R 17 and R18 is connected power cathode and ground connection respectively, be connected with resistance R 21-22 parallel with one another on 2 pin of integrated circuit U3A, the other end of resistance R 21 and R22 is ground connection and 1 pin that is connected integrated circuit U3A respectively, the amplification converter that integrated circuit U3A and resistance R 21-22 group are linked to be zooms into high-frequency pulse signal output with the pulse signal conversion of integrated circuit U2B input, 1 pin of integrated circuit U3A is to be divided into the two-way that is in parallel behind the output pin series resistance R23, the 2-3 pin that connects integrated circuit U4 behind one tunnel series resistance R24, the 6-7 pin that connects integrated circuit U4 behind the series resistance R25 of another road, 1 of integrated circuit U4, connect the circuit CPIK1 that connects umbrella peg on the workbench fully after the 4 pin parallel connections, 5 of integrated circuit U4, the circuit CPIK2 that connects the drilling machine presser feet after the 8 pin parallel connections, 9 of integrated circuit U4,11,13, ground connection and be connected with earth connection DPIK3 and connect drilling machine main shaft and drill bit after the 15 pin parallel connections, 12 of integrated circuit U4,16 pin are series resistance R26 respectively, behind the R27 and connect power Vcc, 14 pin of integrated circuit U4,10 pin are shunt capacitance C6 respectively, connect buffering driver U5A behind the C7, U5B, buffering driver U5A, the output of U5B is connecting 2 lead-out terminal DK1 that connect computer fully respectively, EK2.
3, the contact checkout gear of digital control drilling machine according to claim 2, it is characterized in that, integrated circuit U2B and integrated circuit U3A are TL082 type integrated circuit, and integrated circuit U4 is a TLP521-4 type photoelectrical coupler, and integrated circuit U5 is a SN7407 type integrated circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620160010 CN200981129Y (en) | 2006-11-24 | 2006-11-24 | Contact type detecting device for digital control drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620160010 CN200981129Y (en) | 2006-11-24 | 2006-11-24 | Contact type detecting device for digital control drill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200981129Y true CN200981129Y (en) | 2007-11-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620160010 Expired - Fee Related CN200981129Y (en) | 2006-11-24 | 2006-11-24 | Contact type detecting device for digital control drill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200981129Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106216735A (en) * | 2016-07-27 | 2016-12-14 | 无锡深南电路有限公司 | A kind of numerically controlled drill system and the operational approach of numerically controlled drill |
| CN109724509A (en) * | 2019-01-31 | 2019-05-07 | 大族激光科技产业集团股份有限公司 | A kind of pcb board method for measuring thickness and measuring device based on machine drilling |
-
2006
- 2006-11-24 CN CN 200620160010 patent/CN200981129Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106216735A (en) * | 2016-07-27 | 2016-12-14 | 无锡深南电路有限公司 | A kind of numerically controlled drill system and the operational approach of numerically controlled drill |
| CN109724509A (en) * | 2019-01-31 | 2019-05-07 | 大族激光科技产业集团股份有限公司 | A kind of pcb board method for measuring thickness and measuring device based on machine drilling |
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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: 20071128 Termination date: 20091224 |