CN107791320A - A kind of drilling cooling means of wiring board - Google Patents
A kind of drilling cooling means of wiring board Download PDFInfo
- Publication number
- CN107791320A CN107791320A CN201610746089.5A CN201610746089A CN107791320A CN 107791320 A CN107791320 A CN 107791320A CN 201610746089 A CN201610746089 A CN 201610746089A CN 107791320 A CN107791320 A CN 107791320A
- Authority
- CN
- China
- Prior art keywords
- air
- cold
- wiring board
- temperature
- cold wind
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/16—Perforating by tool or tools of the drill type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/08—Means for treating work or cutting member to facilitate cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F2210/00—Perforating, punching, cutting-out, stamping-out, severing by means other than cutting of specific products
- B26F2210/08—Perforating, punching, cutting-out, stamping-out, severing by means other than cutting of specific products of ceramic green sheets, printed circuit boards and the like
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling And Boring (AREA)
Abstract
The present invention provides a kind of drilling cooling means of wiring board, both processing temperature is reduced, it turn avoid the various problems present in liquid cooling process, it is possible to prevente effectively from phenomena such as processing is detained, processing layering, the quality problems such as built-up edge, machined burrs are reduced, so as to drastically increase the machinability of PTFE wiring boards.The equipment economy used simultaneously is simple, it is easy to accomplish, and the cold air in the present invention is compressed air, has economic and environment-friendly, not broken ring processing sheet material and cheap advantage, can be used in PTFE wiring board manufacture fields.
Description
Technical field
The present invention is a kind of drilling cooling means of wiring board, and in particular to a kind of drilling cooling means of PTFE wiring boards
Innovative technology.
Background technology
PTFE wiring boards are due to excellent dielectric properties（It is lost at present in base material minimum）, can be applied to transmission rate
100GHz and the transmission of the high-frequency high-speed of the above.The transmission loss of PTFE wiring boards has close relationship with its crudy.
In PTFE wiring board machining process, because PTFE materials are partially soft, belong to difficult chip breaking material, drill point/milling cutter twines bits
Phenomenon is serious（Patent can cover brill with Milling Machining）, easily there is larger burr, influence to influence terminal while crudy
The loss of product signal transmission.
Currently for such issues that, main solution method has using special tool and using coolant.Although using this
Kind processing mode can solve the problem that above mentioned problem, but still have the following disadvantages：1）It is using special tool and high using coolant cost；
2）Pollution is damaged to sheet material, environment using coolant；3）Crudy effect still suffers from larger room for promotion.
The content of the invention
In view of this, the present invention provides a kind of drilling cooling means of wiring board to solve the above problems.
The present invention is achieved by the following technical solutions：A kind of drilling cooling means of wiring board, specific steps bag
Include：S1. before being drilled, freezing processing is carried out to wiring board, its temperature is reached the relatively low of safe storage temperature scope
Value.
S2. the micro- brill being installed on main shaft drills in the circuit board, micro- to be drilled in drilling process, passes through cooling air unit point
It is other that cold front heavy rain is carried out to different operating region, to reduce the temperature in cooled region；
S3. the temperature in process is monitored by temperature sensor, and the feedback of the information of monitoring to wind speed is adjusted
Device, velocity regulator is according to the charge flow rate and admission pressure of the temperature control compressor detected, to control low-temperature cold wind to fill
Put the temperature and flow of cold wind.
In step s 2, the cooling air unit includes compressor, at least three cold air blasting gun and for fixing cold air blasting gun position
Mechanical arm；The cold air blasting gun includes gun body and is arranged on air inlet pipe below gun body, the warm-air pipe for being arranged on gun body side, sets
Cool air hose, the air outlet positioned at gun body side being connected inside gun body with air outlet, are provided with the gun body and air inlet pipe
The mixed air cavity of connection, minor air cell, thermal insulation layer and radiating block is additionally provided with inside the gun body, the thermal insulation layer is arranged at described cold
Outside airduct, the radiating block is arranged at outside the warm-air pipe, and the mixed air cavity passes through the gas port that is arranged on radiating block
It is connected with minor air cell, the side of the warm-air pipe and cool air hose connects respectively from minor air cell in different positions, described cold
Airduct opposite side is provided with escape pipe, and the outlet pipe end is provided with air outlet, and described air inlet pipe one end is connected with compressor；Also
Provided with least one temperature sensor and velocity regulator, the temperature sensor is arranged at around the cold air blasting gun air outlet,
The velocity regulator is arranged inside the compressor, and the temperature sensor is connected with the velocity regulator, described cold
Air pressure gun can blow out the cold wind of different flow by velocity regulator.
In step s 2, the different operating region includes machining area, machined region and the region to be processed of workpiece,
Low temp cold air device, which includes at least one and cold air blasting gun formed to three regions circulating types, blows a cold wind over cooling.
In step s3, the working depth of cold air blasting gun air outlet is 7-13mm, i.e., the outlet air end of air outlet is apart from workspace
The vertical range in domain is 7-13mm.
In step s 2, the angle of the center line of cold air blasting gun air outlet direction and drill point is between 30-75 °, especially
, the best results when cold air blasting gun air outlet direction is consistent with drill point spiral angle with the angle of the center line of drill point.
In step s 2, dried by cold air blasting gun, the environment temperature of machining area, machined region or region to be processed is protected
Hold between 15-25 DEG C.
In step s3, the process can blow out the cold wind of different flow respectively by adjusting velocity regulator, adopt
0.25-0.4MPa cold wind is blown with processing early stage, and the processing later stage blows the processing mode of 0.65-0.8MPa cold wind.Pass through this combination
The processing mode of blowing, processing cold wind early stage fluid force can be made to reduce drill point vibration effect, and help to process the later stage
Chip removal, reach optimum efficiency.
In step s3, the process can blow out the cold wind of different temperatures respectively by adjusting compressor, using adding
Work blows -70--50 DEG C of cold wind early stage, and the processing later stage blows the processing mode of -40--20 DEG C of cold wind., can by this processing mode
Make processing PTFE material is become fragile easy cut-out, after processing the phase, PTFE chips is softened and be readily extruded discharge, reach optimal
Processing effect.
Particularly, before referring to drastically increase to chip removal since processing the processing early stage；The processing later stage refers to
When starting a large amount of chip removals, i.e., drill point is in stationary phase.
Particularly, the part not being described in detail in the present invention can be by any realization of the prior art.
The concrete operating principle of cooling air unit is in the drilling cooling means of the wiring board of the present invention：It will be pressed by compressor
Contracting air flows into mixed air cavity from air inlet pipe, and when passing through gas port because pressure elevated temperature rises, air-flow carries high pressure draught
Heat by outside radiating block Assimilation and conductivity to gun body, radiating block can use the metals such as faster copper, aluminium that absorb heat, more accelerate to dissipate
Heat, gas port guiding high pressure draught enter minor air cell, and air-flow rotates in vortex indoor high-speed, and outer ring air is to be up to per minute two
Million turns of speed rotation, inner ring air are rotated with identical velocity reversal, and heat exchange can occur for vortex Internal and external cycle air, vortex
Center temperature can drastically decline, and outer gas flow and internal layer air-flow move in the opposite direction while rotation, the heat of outer ring
Air-flow is discharged by warm-air pipe, and the cold wind of inner ring flows to air outlet by cool air hose and discharged, air-flow when by mixed air cavity due to
The effect of heat-insulation layer can prevent cold airflow that heat exchange occurs with the gas in mixed air cavity, and cold airflow is by cold air blasting gun air outlet to work
Cooled as region.Monitor the working region residing for the cold air blasting gun in real time by the temperature sensor being arranged on around air outlet
Environment temperature, temperature information is fed back into velocity regulator, according to the operating ambient temperature of setting, velocity regulator passes through tune
The charge flow rate and admission pressure for saving compressor control the temperature of cold airflow and uninterrupted.
The present invention is cooled down by the way of cold wind to wiring board, attached by the way that mechanical arm is arranged on into different machining areas
Closely, cold air blasting gun is fixed on the robotic arm, air outlet angle and air-out is adjusted by mechanical arm according to the requirement in different operating region
Position, cold front heavy rain is carried out to wiring board region to be processed, machining area and machined region.This cooling means can make
The wiring board of freezing keeps lower temperature, makes wiring board continue to keep low temperature, avoids anti-because temperature rise needs repeated freezing
The multiple dress from lathe takes wiring board, while cooling effect is played in assist side drilling process, largely reduces brill
Temperature is cut, and cold front heavy rain is carried out to the machined region of wiring board, heat caused by reduction drilling process, is prevented because of line
The temperature conduction in the machined region of road plate influences the region to be processed of wiring board, the process of wiring board is realized comprehensive
Cool.Meanwhile for region to be processed, 20-60s first is cooled down to wiring board sheet material with cold wind before drilling, can either be tieed up
The temperature after the chilled processing in region to be processed is held, now can be by controlling between cold air blasting gun air outlet and cold wind jeting area
The distance of angle and cold air blasting gun air outlet and micro- brill, it is ensured that cold wind will not be directly sprayed onto on the drill point of micro- brill, effectively keep micro- brill
The stability of work.The direction of cold air blasting gun air outlet is consistent with the spiral angular direction of micro- brill drill point simultaneously, can so change brill
The air fluid field of environment is cut, is advantageous to throwing away for drilling cuttings.
The drilling cooling means of wiring board provided by the invention, both reduces processing temperature, turn avoid liquid cooling mistake
Various problems present in journey, it is possible to prevente effectively from phenomena such as processing is detained, processing layering, reduces built-up edge, machined burrs etc.
Quality problems, so as to drastically increase the machinability of aluminium base.The equipment economy used simultaneously is simple, is easy to real
It is existing, and the cold air in the present invention is compressed air, has economic and environment-friendly, not broken ring processing sheet material and cheap advantage,
It can be used in LED aluminum base plate manufacture field.
Brief description of the drawings
Fig. 1 is the application schematic diagram of cooling means of the present invention；
Fig. 2 is the structural representation of cooling air unit of the present invention；
Fig. 3 is the sectional view of cold air blasting gun of the present invention；
Fig. 4 is the partial structural diagram of the present invention；
Fig. 5 is the another application schematic diagram of cooling means of the present invention；
Fig. 6 is the another application schematic diagram of cooling means of the present invention.
Embodiment
Present pre-ferred embodiments are provided below in conjunction with the accompanying drawings, to describe technical scheme in detail.
Embodiment 1
A kind of drilling cooling means of wiring board, specific steps include：
S1. before being drilled, freezing processing is carried out to wiring board, its temperature is reached the relatively low of safe storage temperature scope
Value.
S2. micro- be drilled on wiring board 5 being installed on main shaft drills, micro- to be drilled in drilling process, passes through cooling air unit
100 carry out cold front heavy rain to different operating region respectively, to reduce the temperature in cooled region；
S3. the temperature in process is monitored by temperature sensor 4, and the feedback of the information of monitoring to wind speed is adjusted
Device is saved, velocity regulator is according to the charge flow rate and admission pressure of the temperature control compressor 3 detected, to control low-temperature cold wind
The temperature and flow of the cold wind of device.
In step s 2, the cooling air unit 100, including compressor 3, at least one cold air blasting gun is formed rings to three regions
Wound cooling 1 and the mechanical arm 2 for fixing cold air blasting gun position of blowing a cold wind over；The cold air blasting gun includes gun body 11, is arranged on gun body
The air inlet pipe 12 of lower section, the warm-air pipe 13 for being arranged on gun body side, be arranged on be connected with air outlet inside gun body cool air hose 14,
Air outlet 15 positioned at gun body side, is provided with the mixed air cavity 16 connected with air inlet pipe 12 in the gun body 11, in the gun body
Portion is additionally provided with minor air cell 17, thermal insulation layer 18 and radiating block 19, and the thermal insulation layer is arranged at outside the cool air hose 14, described to dissipate
Hot block is arranged at outside the warm-air pipe 13, and the mixed air cavity 16 passes through the gas port 191 that is arranged on radiating block 19 and vortex
Room 17 is connected, and the side of the warm-air pipe 12 and cool air hose 14 connects respectively from minor air cell 17 in different positions, described
Cool air hose opposite side is provided with escape pipe 152, and the outlet pipe end is provided with air outlet 151, described one end of air inlet pipe 12 and pressure
Contracting machine 3 connects；The low temp cold air device is additionally provided with two temperature sensors 4 and velocity regulator, and the temperature sensor is set
It is placed in around the cold air blasting gun air outlet 15, the velocity regulator is arranged inside the compressor, the temperature sensor
It is connected with the velocity regulator, the cold air blasting gun can blow out the cold wind of different flow by velocity regulator.
In step s 2, the different operating region includes machining area, machined region and the region to be processed of workpiece,
The cooling air unit, which includes two cold air blasting guns three regions are formed with circulating types, blows a cold wind over cooling, and the cold air blasting gun can pass through wind
Fast adjuster blows out the cold wind of different flow respectively.
In step s3, the working depth of cold air blasting gun air outlet is 10mm, i.e., the outlet air end 151 of air outlet is apart from work
The vertical range in region is 10mm.
In step s 2, the angle of the center line of cold air blasting gun air outlet direction and drill point is 70 °.
In step s 2, dried by cold air blasting gun, the environment temperature of machining area, machined region or region to be processed is protected
Hold at 22 DEG C.
In step s3, the process can blow out the cold wind of different flow respectively by adjusting velocity regulator, adopt
Low discharge 0.3MPa cold wind is blown with processing early stage, and the processing later stage blows the processing mode best results of big flow 0.7MPa cold wind.
In step s3, the process can blow out the cold wind of different temperatures, this implementation respectively by adjusting compressor
Blown in example using processing compared with -60 DEG C of cold wind of low temperature early stage, process the later stage（Start a large amount of chip removals and drill point and be in stationary phase）
The mode of -30 DEG C of cold wind of higher temperatures is blown, reaches optimum efficiency.
Embodiment 2
A kind of drilling cooling means of wiring board, specific steps include：
S1. before being drilled, freezing processing is carried out to wiring board, its temperature is reached the relatively low of safe storage temperature scope
Value.
S2. micro- be drilled on wiring board 5 being installed on main shaft drills, micro- to be drilled in drilling process, passes through cooling air unit
100 carry out cold front heavy rain to different operating region respectively, to reduce the temperature in cooled region；
S3. the temperature in process is monitored by temperature sensor 4, and the feedback of the information of monitoring to wind speed is adjusted
Device is saved, velocity regulator is according to the charge flow rate and admission pressure of the temperature control compressor 3 detected, to control low-temperature cold wind
The temperature and flow of the cold wind of device.
In step s 2, the cooling air unit 100, including compressor 3, at least one cold air blasting gun is formed rings to three regions
Wound cooling 1 and the mechanical arm 2 for fixing cold air blasting gun position of blowing a cold wind over；The cold air blasting gun includes gun body 11, is arranged on gun body
The air inlet pipe 12 of lower section, the warm-air pipe 13 for being arranged on gun body side, be arranged on be connected with air outlet inside gun body cool air hose 14,
Air outlet 15 positioned at gun body side, is provided with the mixed air cavity 16 connected with air inlet pipe 12 in the gun body 11, in the gun body
Portion is additionally provided with minor air cell 17, thermal insulation layer 18 and radiating block 19, and the thermal insulation layer is arranged at outside the cool air hose 14, described to dissipate
Hot block is arranged at outside the warm-air pipe 13, and the mixed air cavity 16 passes through the gas port 191 that is arranged on radiating block 19 and vortex
Room 17 is connected, and the side of the warm-air pipe 12 and cool air hose 14 connects respectively from minor air cell 17 in different positions, described
Cool air hose opposite side is provided with escape pipe 152, and the outlet pipe end is provided with air outlet 151, described one end of air inlet pipe 12 and pressure
Contracting machine 3 connects；The low temp cold air device is additionally provided with a temperature sensor 4 and velocity regulator, and the temperature sensor is set
It is placed in around the cold air blasting gun air outlet 15, the velocity regulator is arranged inside the compressor, the temperature sensor
It is connected with the velocity regulator, the cold air blasting gun can blow out the cold wind of different flow by velocity regulator.
In step s 2, the different operating region includes machining area, machined region and the region to be processed of workpiece,
The cooling air unit includes a cold air blasting gun and three regions blown a cold wind over cooling, and the cold air blasting gun can pass through velocity regulator point
Not Chui Chu different flow cold wind.
In step s3, the working depth of cold air blasting gun air outlet is 7mm, i.e., the outlet air end 151 of air outlet is apart from workspace
The vertical range in domain is 7mm.
In step s 2, the angle of the center line of cold air blasting gun air outlet direction and drill point is 30 °.
In step s 2, dried by cold air blasting gun, the environment temperature of machining area, machined region or region to be processed is protected
Hold at 25 DEG C.
In step s3, the process can blow out the cold wind of different flow respectively by adjusting velocity regulator, adopt
Low discharge 0.25MPa cold wind is blown with processing early stage, and the processing later stage blows the processing mode best results of big flow 0.65MPa cold wind.
In step s3, the process can blow out the cold wind of different temperatures, this implementation respectively by adjusting compressor
Blown in example using processing compared with -70 DEG C of cold wind of low temperature early stage, process the later stage（Start a large amount of chip removals and drill point and be in stationary phase）
The mode of -40 DEG C of cold wind of higher temperatures is blown, reaches optimum efficiency.
Embodiment 3
A kind of drilling cooling means of wiring board, specific steps include：
S1. before being drilled, freezing processing is carried out to wiring board, its temperature is reached the relatively low of safe storage temperature scope
Value.
S2. micro- be drilled on wiring board 5 being installed on main shaft drills, micro- to be drilled in drilling process, passes through cooling air unit
100 carry out cold front heavy rain to different operating region respectively, to reduce the temperature in cooled region；
S3. the temperature in process is monitored by temperature sensor 4, and the feedback of the information of monitoring to wind speed is adjusted
Device is saved, velocity regulator is according to the charge flow rate and admission pressure of the temperature control compressor 3 detected, to control low-temperature cold wind
The temperature and flow of the cold wind of device.
In step s 2, the cooling air unit 100, including compressor 3, at least one cold air blasting gun is formed rings to three regions
Wound cooling 1 and the mechanical arm 2 for fixing cold air blasting gun position of blowing a cold wind over；The cold air blasting gun includes gun body 11, is arranged on gun body
The air inlet pipe 12 of lower section, the warm-air pipe 13 for being arranged on gun body side, be arranged on be connected with air outlet inside gun body cool air hose 14,
Air outlet 15 positioned at gun body side, is provided with the mixed air cavity 16 connected with air inlet pipe 12 in the gun body 11, in the gun body
Portion is additionally provided with minor air cell 17, thermal insulation layer 18 and radiating block 19, and the thermal insulation layer is arranged at outside the cool air hose 14, described to dissipate
Hot block is arranged at outside the warm-air pipe 13, and the mixed air cavity 16 passes through the gas port 191 that is arranged on radiating block 19 and vortex
Room 17 is connected, and the side of the warm-air pipe 12 and cool air hose 14 connects respectively from minor air cell 17 in different positions, described
Cool air hose opposite side is provided with escape pipe 152, and the outlet pipe end is provided with air outlet 151, described one end of air inlet pipe 12 and pressure
Contracting machine 3 connects；The low temp cold air device is additionally provided with four temperature sensors 4 and velocity regulator, and the temperature sensor is set
It is placed in around the cold air blasting gun air outlet 15, the velocity regulator is arranged inside the compressor, the temperature sensor
It is connected with the velocity regulator, the cold air blasting gun can blow out the cold wind of different flow by velocity regulator.
In step s 2, the different operating region includes machining area, machined region and the region to be processed of workpiece,
The cooling air unit, which includes three cold air blasting guns three regions are formed with circulating types, blows a cold wind over cooling, and the cold air blasting gun can pass through wind
Fast adjuster blows out the cold wind of different flow respectively.
In step s3, the working depth of cold air blasting gun air outlet is 13mm, i.e., the outlet air end 151 of air outlet is apart from work
The vertical range in region is 13mm.
In step s 2, the angle of the center line of cold air blasting gun air outlet direction and drill point is 75 °.
In step s 2, dried by cold air blasting gun, the environment temperature of machining area, machined region or region to be processed is protected
Hold at 20 DEG C.
In step s3, the process can blow out the cold wind of different flow respectively by adjusting velocity regulator, adopt
Low discharge 0.4MPa cold wind is blown with processing early stage, and the processing later stage blows the processing mode best results of big flow 0.8MPa cold wind.
In step s3, the process can blow out the cold wind of different temperatures, this implementation respectively by adjusting compressor
Blown in example using processing compared with -50 DEG C of cold wind of low temperature early stage, process the later stage（Start a large amount of chip removals and drill point and be in stationary phase）
The mode of -20 DEG C of cold wind of higher temperatures is blown, reaches optimum efficiency.
Embodiment 4
A kind of drilling cooling means of wiring board, specific steps include：
S1. before being drilled, freezing processing is carried out to wiring board, its temperature is reached the relatively low of safe storage temperature scope
Value.
S2. micro- be drilled on wiring board 5 being installed on main shaft drills, micro- to be drilled in drilling process, passes through cooling air unit
100 carry out cold front heavy rain to different operating region respectively, to reduce the temperature in cooled region；
S3. the temperature in process is monitored by temperature sensor 4, and the feedback of the information of monitoring to wind speed is adjusted
Device is saved, velocity regulator is according to the charge flow rate and admission pressure of the temperature control compressor 3 detected, to control low-temperature cold wind
The temperature and flow of the cold wind of device.
In step s 2, the cooling air unit 100, including compressor 3, at least one cold air blasting gun is formed rings to three regions
Wound cooling 1 and the mechanical arm 2 for fixing cold air blasting gun position of blowing a cold wind over；The cold air blasting gun includes gun body 11, is arranged on gun body
The air inlet pipe 12 of lower section, the warm-air pipe 13 for being arranged on gun body side, be arranged on be connected with air outlet inside gun body cool air hose 14,
Air outlet 15 positioned at gun body side, is provided with the mixed air cavity 16 connected with air inlet pipe 12 in the gun body 11, in the gun body
Portion is additionally provided with minor air cell 17, thermal insulation layer 18 and radiating block 19, and the thermal insulation layer is arranged at outside the cool air hose 14, described to dissipate
Hot block is arranged at outside the warm-air pipe 13, and the mixed air cavity 16 passes through the gas port 191 that is arranged on radiating block 19 and vortex
Room 17 is connected, and the side of the warm-air pipe 12 and cool air hose 14 connects respectively from minor air cell 17 in different positions, described
Cool air hose opposite side is provided with escape pipe 152, and the outlet pipe end is provided with air outlet 151, described one end of air inlet pipe 12 and pressure
Contracting machine 3 connects；The low temp cold air device is additionally provided with three temperature sensors 4 and velocity regulator, and the temperature sensor is set
It is placed in around the cold air blasting gun air outlet 15, the velocity regulator is arranged inside the compressor, the temperature sensor
It is connected with the velocity regulator, the cold air blasting gun can blow out the cold wind of different flow by velocity regulator.
In step s 2, the different operating region includes machining area, machined region and the region to be processed of workpiece,
The cooling air unit, which includes four cold air blasting guns three regions are formed with circulating types, blows a cold wind over cooling, and the cold air blasting gun can pass through wind
Fast adjuster blows out the cold wind of different flow respectively.
In step s3, the working depth of cold air blasting gun air outlet is 11mm, i.e., the outlet air end 151 of air outlet is apart from work
The vertical range in region is 11mm.
In step s 2, the angle of the center line of cold air blasting gun air outlet direction and drill point is 65 °.
In step s 2, dried by cold air blasting gun, the environment temperature of machining area, machined region or region to be processed is protected
Hold at 15 DEG C.
In step s3, the process can blow out the cold wind of different flow respectively by adjusting velocity regulator, adopt
Low discharge 0.35MPa cold wind is blown with processing early stage, and the processing later stage blows the processing mode best results of big flow 0.75MPa cold wind.
In step s3, the process can blow out the cold wind of different temperatures, this implementation respectively by adjusting compressor
Blown in example using processing compared with -65 DEG C of cold wind of low temperature early stage, process the later stage（Start a large amount of chip removals and drill point and be in stationary phase）
The mode of -25 DEG C of cold wind of higher temperatures is blown, reaches optimum efficiency.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment only includes one
Individual independent technical scheme, this narrating mode of specification is only that those skilled in the art will should say for clarity
Bright book is as an entirety, and the technical solutions in the various embodiments may also be suitably combined, and forming those skilled in the art can be with
The other embodiment of understanding., can be any existing by this area for the ins and outs of all not detailed descriptions in the present invention
There is technology realization.
Claims (8)
1. the drilling cooling means of a kind of wiring board, it is characterised in that specific steps include：
S1. before being drilled, freezing processing is carried out to PTFE wiring boards, its temperature is reached safe storage temperature scope
Lower value.
S2. be installed on main shaft micro- is drilled in wiring board（5）Upper drilling, it is micro- to be drilled in drilling process, pass through cooling air unit
（100）Cold front heavy rain is carried out to different operating region respectively, to reduce the temperature in cooled region；
S3. temperature sensor is passed through（4）Temperature in process is monitored, and by the feedback of the information of monitoring to wind speed
Adjuster, velocity regulator is according to the temperature control compressor detected（3）Charge flow rate and admission pressure, to control low temperature
The temperature and flow of the cold wind of cooling air unit.
2. the drilling cooling means of wiring board according to claim 1, it is characterised in that in step s 2, the cold wind
Device（100）, including compressor（3）, an at least handle cold air blasting gun（1）With the mechanical arm for fixing cold air blasting gun position（2）；Institute
Stating cold air blasting gun includes gun body（11）, the air inlet pipe that is arranged on below gun body（12）, be arranged on the warm-air pipe of gun body side（13）, set
Put the cool air hose being connected inside gun body with air outlet（14）, air outlet positioned at gun body side（15）, the gun body（11）It is interior
It is provided with and air inlet pipe（12）The mixed air cavity of connection（16）, minor air cell is additionally provided with inside the gun body（17）, thermal insulation layer（18）
And radiating block（19）, the thermal insulation layer is arranged at the cool air hose（14）Outside, the radiating block are arranged at the warm-air pipe
（13）Outside, the mixed air cavity（16）By being arranged on radiating block（19）On gas port（191）With minor air cell（17）It is connected,
The warm-air pipe（12）And cool air hose（14）Side and minor air cell（17）Connected respectively in different positions, the cool air hose
Opposite side is provided with escape pipe（152）, the outlet pipe end is provided with air outlet（151）, the air inlet pipe（12）One end and pressure
Contracting machine（3）Connection；The low temp cold air device is additionally provided with least one temperature sensor（4）And velocity regulator, the temperature
Sensor is arranged at the cold air blasting gun air outlet（15）Around, the velocity regulator is arranged inside the compressor, described
Temperature sensor is connected with the velocity regulator, and the cold air blasting gun can blow out the cold wind of different flow by velocity regulator.
3. the drilling cooling means of wiring board according to claim 1, it is characterised in that in step s 2, the difference
Working region includes machining area, machined region and the region to be processed of workpiece, and the cooling air unit includes at least one
Cold air blasting gun is blown a cold wind over cooling to three regions.
4. the drilling cooling means of wiring board according to claim 1, it is characterised in that in step s3, cold air blasting gun goes out
The working depth in air port is 7-13mm, i.e. air outlet outlet air end（151）Vertical range apart from working region is 7-13mm.
5. the drilling cooling means of wiring board according to claim 2, it is characterised in that in step s 2, cold air blasting gun goes out
The angle of the center line of air port air-out direction and drill point is between 30-75 °.
6. the drilling cooling means of wiring board according to claim 2, it is characterised in that in step s 2, pass through cold wind
Rifle is dried, and the environment temperature of machining area, machined region or region to be processed is maintained between 15-25 DEG C.
7. the drilling cooling means of wiring board according to claim 1, it is characterised in that in step s3, the processing
Process can blow out the cold wind of different flow respectively by adjusting velocity regulator, blow 0.25-0.4MPa cold wind early stage using processing,
The processing later stage blows the processing mode of 0.65-0.8MPa cold wind.
8. the drilling cooling means of wiring board according to claim 1, it is characterised in that in step s3, the processing
Process can blow out the cold wind of different temperatures respectively by adjusting compressor, -70--50 DEG C of cold wind be blown early stage using processing, after processing
Phase blows the processing mode of -40--20 DEG C of cold wind.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610746089.5A CN107791320B (en) | 2016-08-29 | 2016-08-29 | Drilling and cooling method of circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610746089.5A CN107791320B (en) | 2016-08-29 | 2016-08-29 | Drilling and cooling method of circuit board |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107791320A true CN107791320A (en) | 2018-03-13 |
| CN107791320B CN107791320B (en) | 2020-09-08 |
Family
ID=61528945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610746089.5A Active CN107791320B (en) | 2016-08-29 | 2016-08-29 | Drilling and cooling method of circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107791320B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112161587A (en) * | 2020-09-27 | 2021-01-01 | 西北工业大学 | Robot intelligent drilling and riveting operation online quality detection system and method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060086331A (en) * | 2006-03-22 | 2006-07-31 | 삼회산업 (주) | Lens tube assembly having air cooling system and means for moving lens tube assembly |
| CN101767291A (en) * | 2009-01-06 | 2010-07-07 | 张震 | Low-temperature spraying system and technology of gear cutting equipment |
| CN104552441A (en) * | 2014-12-31 | 2015-04-29 | 广东工业大学 | Micro-pore drilling device for flexible printed circuit board and processing method thereof |
-
2016
- 2016-08-29 CN CN201610746089.5A patent/CN107791320B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060086331A (en) * | 2006-03-22 | 2006-07-31 | 삼회산업 (주) | Lens tube assembly having air cooling system and means for moving lens tube assembly |
| CN101767291A (en) * | 2009-01-06 | 2010-07-07 | 张震 | Low-temperature spraying system and technology of gear cutting equipment |
| CN104552441A (en) * | 2014-12-31 | 2015-04-29 | 广东工业大学 | Micro-pore drilling device for flexible printed circuit board and processing method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112161587A (en) * | 2020-09-27 | 2021-01-01 | 西北工业大学 | Robot intelligent drilling and riveting operation online quality detection system and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107791320B (en) | 2020-09-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104552441B (en) | Micro-pore drilling device for flexible printed circuit board and processing method thereof | |
| CN101885077A (en) | Heat pipe cutter and method for improving radiation of cutting tool by using heat pipe | |
| US10035233B2 (en) | Method and apparatus for manufacturing a transmission case | |
| WO2015051672A1 (en) | Hydraulic oil cooler | |
| CN107791320A (en) | A kind of drilling cooling means of wiring board | |
| CN109079575A (en) | A kind of Gear Processing lathe cooling device | |
| CN201711551U (en) | Heat tube cutter | |
| KR20190075554A (en) | Vortex tube oil cooler temperature and capacity control system | |
| CN103433801A (en) | Air blowing cooling device | |
| CN106425677A (en) | Low-temperature cold air device | |
| CN206084578U (en) | Low temperature cold wind device | |
| CN210232416U (en) | Numerical control lathe cooling device | |
| CN206263704U (en) | Lathe exhaust system | |
| CN209035534U (en) | Cold depth drill in a kind of overlength of adjustable length | |
| KR20190045999A (en) | Cooling apparatus of main spindle for machine center | |
| CN105234462A (en) | Bullet hole special drilling device for full-aperture perforation firer gun carrier | |
| CN202479885U (en) | Improvement of structure of cutting oil cooling machine | |
| CN105813437B (en) | A kind of sealed electrical control cubicles heat-exchanger rig of precision machine tool class | |
| CN212444359U (en) | Freezing detection device and CNC processing equipment | |
| CN220161960U (en) | Lathe with cooled electric cabinet | |
| WO2022041685A1 (en) | Portable drilling device for natural gas pipeline maintenance | |
| JP6552344B2 (en) | Processing device | |
| CN205520440U (en) | Two station three -shaft drill of numerical control roll -off formula attack compound lathe | |
| CN206073778U (en) | Lathe chiller | |
| CN203197665U (en) | Waterless cooling machine for cutting |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |