CN103212846B - SMT template laser wet cutting processing method - Google Patents
SMT template laser wet cutting processing method Download PDFInfo
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- CN103212846B CN103212846B CN201210015739.0A CN201210015739A CN103212846B CN 103212846 B CN103212846 B CN 103212846B CN 201210015739 A CN201210015739 A CN 201210015739A CN 103212846 B CN103212846 B CN 103212846B
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Abstract
The present invention relates to a kind of SMT template laser wet cutting processing method, mainly solving in prior art SMT template because of the dry cutting process of laser causes the problem that crudy is bad and accurate to dimension is not high, the present invention by adopt a kind of SMT template laser wet cutting processing method, mobile pair is adopted to drive gantry structure, Y-axis seesaws and drives X-axis to seesaw, and Z axis is fixed on X-axis moves on plate, and moves plate with X-axis and carry out side-to-side movement, Z-shaft movable plate is provided with cutting head and nozzle; Synchronously sprayed the technical scheme of cooling water by this nozzle to the cut point region below cutting head, solve this problem preferably, can be used in SMT template laser wet cutting industry.
Description
Technical field
The present invention relates to a kind of SMT template laser wet cutting processing method.
Background technology
Current SMT template laser cutting technique is widely adopted, use the high-speed cutting of moving beam formula complete template cutting after, there is the defect of porous or less porous toward contact in template.What generally adopt now is all manual detection, many for hole number, and omitting often appears in the template that density is large, and human factor becomes the key factor affecting reliability.After cutting completes, re-using linear CCD checkout equipment scan template, then carry out video procession contrast, is a kind of reliable and stable method.If generation small opening needs to return to cutting equipment and carries out contraposition, and then perforations adding.If porous, directly scrap and again produce.This work, for production line, also considerably increases artificial and cost while increasing product quality reliability.The file simultaneously cutting use will call back and forth between cutting equipment and checkout equipment, and placement, all around direction and the contraposition of template positive and negative in the process detected all will rely on manual operation process, not high in efficiency and accuracy.
The present invention proposes a kind of SMT template laser and to wet the process equipment of cutting, and this process equipment by verification experimental verification, can be adapted to the processing of SMT screen plate new material completely, for broaden application provides processing basis in the Material Field of SMT screen plate.
Summary of the invention
Technical problem to be solved by this invention is the SMT template that exists in prior art because the dry cutting process of laser causes the problem that crudy is bad and accurate to dimension is not high, the invention provides a kind of new SMT template laser wet cutting process equipment, this equipment is in SMT template laser cutting process, simultaneously to the appropriate cooling water of cut point area spray, in time because of the heat affected area of laser and material instantaneous generation, cooling processing is carried out to cutting zone, avoid causing because of in time cooling cut point region to produce thermal deformation because of localized hyperthermia.
For solving the problems of the technologies described above, the technical solution used in the present invention is as follows: a kind of SMT template laser wet cutting processing method, comprise following several step:
A) SMT template is fixed in the work stage of laser cutting machine,
B) SMT template is added nervous flat with adding nervous flattening mechanism;
C) adjust SMT template laser to wet the cutting head of process equipment of cutting, aim at cut point region, laser cutting is carried out to SMT template, and the synchronous nozzle by cutting head side is to cut point area spray cooling water;
SMT template laser used wet cutting process equipment, comprise cutting head, nozzle, automatically add the mechanism of nervous flat SMT template, described process equipment adopts mobile pair to drive gantry structure, Y-axis seesaws and drives X-axis to seesaw, and Z axis is fixed on X-axis moves on plate, and move plate with X-axis and carry out side-to-side movement, Z-shaft movable plate is provided with cutting head and nozzle; Synchronously cooling water is sprayed to the cut point region below cutting head by this nozzle.
In technique scheme, described laser cutting machine adopts coaxial injector.Coaxial injector is hollow cylindrical, there is photoelectric sensor installation seat 23 upper end, photoelectric sensor 21 and photoelectric sensor focusing knob 22 are located at above photoelectric sensor installation seat 23, below photoelectric sensor installation seat 23, coaxial injector inside is provided with 45 ° of speculums 24, the cylindrical sidewall corresponding with 45 ° of speculums 24 is provided with lighting source 25, laser generator 26 is provided with below lighting source 25, 45 ° of speculums 24 are provided with focus lamp 27 below, the cylindrical sidewall of focus lamp 27 correspondence is provided with focus lamp focusing differential head 28, protective glass 29 is provided with below focus lamp 27, for having double-deck nozzle 211 below protective glass 29, water jet 212 passes through between nozzle 211 double-decker, nozzle 211 is connected with high service unit 210 by the water inlet 213 on sidewall.
Laser generator 26 is optical-fiber laser generator; Nozzle 211 is in annular, and water jet 212 is in column; Focus lamp focusing differential head 28 is for level or vertical adjusting focus lamp 27.
Described adds nervous flat SMT template mechanism automatically, and comprise and compress eccentric pole 31, driven flat pole 32, compresses the turning arm 33 of eccentric pole, a level and smooth groove 34 of driven pole, the axle center slide bar 35 of driven pole, cylinder assembly 36, cylinder rotating shaft 37; Compress eccentric pole 31 to be connected with the turning arm 33 compressing eccentric pole, the turning arm 33 compressing eccentric pole is connected with cylinder assembly 36, driven flat pole 32 has the axle center slide bar 35 of driven pole, cylinder rotating shaft 37 is arranged in cylinder assembly 36, and be connected with cylinder pole, cylinder pole is connected with the turning arm 33 compressing eccentric pole.
During laser cutting SMT template, SMT template is inserted and compresses in eccentric pole 31 and driven flat pole 32.When opening cylinder assembly 36, cylinder rotating shaft 37 is with dynamic air cylinder pole to move, and the turning arm 33 that the drive of cylinder pole compresses eccentric pole rotates, thus eccentric pole is rotated.
SMT template laser wets cutting process method, comprises following several step:
A) SMT template is fixed in the work stage of laser cutting machine;
B) adjust the cutting head of laser cutting machine, aim at cut point region, laser cutting is carried out to SMT template, and the synchronous nozzle by cutting head side is to cut point area spray cooling water;
The present invention also can comprise a kind of full-automatic SMT template cutting and detect cutting and the detection method of integral system, comprises following several step:
A) nervous flat SMT template is added;
B) CCD linear scan assembly moves to cutting zone in X, Y-direction, and to scanning position, upper part cross beam movement is to non-cutting simultaneously;
C) lamp box above crossbeam presses down, and is clamped by cut steel disc, now enter scanning mode and carry out Scanning Detction with the upper glass surface of the assembly of CCD linear scan below;
D) file cut, scanned, position, direction, positive and negative judgement work are completed automatically by main control computer;
E) after the end of scan, lamp box moves, CCD scan components moves down, and has cut rear waste material dust exhaust apparatus and has automatically exited board cleaning waste residue;
F) waste material dust exhaust apparatus has been cleared up waste residue and is got back in equipment body and return to cut state;
If g) detect qualified steel disc, have few sky if detected, main control computer carries out short covering cutting.
In technique scheme, having cut rear X drives the cutting head on it to move to left to crossbeam, by the handle on waste material dust suction parts by waste material dust suction parts apart, the CCD linear scan assembly being arranged on waste material dust suction parts bottom just can to the steel disc Scanning Detction cut.It is the LED of a group that lamp box cover plate has every 3, the size of LED is only 3X3, back lighting is provided when steel disc is scanned time, the spot light one by one provided to make LED becomes the noise evenly reducing and the image of scanning acquisition exists, and optical flat adheres to boss's film that one deck is very thin.Can obtain that clear, noise is few to obtain scanned picture like this.Steel disc has cut rear X and has driven the cutting head on it to move to non-cutting state position by the position of cut state to crossbeam, pulls off waste material dust suction parts, and CCD linear scan parts are up to fits with steel disc lower surface, and lamp box is descending until compress steel disc to be scanned.
In the present invention, when needing laser cutting SMT template, SMT template being inserted compresses in eccentric pole 31 and driven flat pole 32, open cylinder, cylinder ejector pole, driven rotary arm rotates thus the eccentric pole 31 of compression is rotated, owing to compressing eccentric pole 31 for eccentric rotary, then forward certain angle to, eccentric large radius side contacts with driven flat pole 32 pushes down SMT template, at this moment turning arm is close to the slide bar of driven flat pole 32, cylinder works on and ejects pole, make pole centered by eccentric pole rotating shaft, two wheelbases are that radius does gyration, produce horizontal displacement and Zhang Ping SMT template.
The present invention discloses a kind of SMT template laser and to wet cutting process method, which adopts laser to wet and cuts processing technology, in SMT screen plate laser cutting process, be synchronized to cutting zone and spray cooling water, in time cooling processing is carried out to cutting zone, reduce the heat effect time in process, reduce processing heat affected area, and then obviously reduce the existence of otch oxidized residual thing, reduce back side dross, significantly improve otch crudy and machining accuracy, for the SMT screen plate producing more high-quality requirement provides possibility.In addition, this processing technology, by verification experimental verification, can be adapted to the processing of SMT screen plate new material completely, for broaden application provides processing basis in the Material Field of SMT screen plate.
SMT template laser disclosed by the invention wets cutting process method, and this process, compared with the dry cutting technique of laser of traditional SMT template, has following advantage:
1) significantly can improve SMT template kerf quality, show as seam wide less, surface is cleaner, the residual feature such as less of otch;
2) because local deformation impact is ignored substantially, adopt the method that higher process velocity can be adopted to cut, improve working (machining) efficiency;
Existing stainless SMT template processing can not only be applicable to, Laser Processing can also be carried out for being applied to SMT brand-new material (as nickel alloy, nickel sheet etc.), compensate for the deficiency that the dry cutting process of transmission laser is difficult to adapt to the processing of SMT brand-new material.
SMT template laser disclosed by the invention wets cutting process method, solve SMT template in the past and cause the problem that crudy is bad and accurate to dimension is not high because of the dry cutting process of laser, in addition, more suitable laser processing technology is provided for being applied to the processing of SMT template new material.Through processing checking, adopt this laser cutting process method that wets significantly can improve SMT template kerf quality, show as seam wide less, surface is cleaner, the residual feature such as less of otch, enhance productivity, save production cost, achieve good technique effect.
Accompanying drawing explanation
Fig. 1 is that SMT template laser wets cutting process method schematic diagram.
Fig. 2 is coaxial injector structural representation.
Fig. 3 is that SMT template adds nervous flattening mechanism.
In Fig. 1, SMT template; 2, water spout; 3, laser cutting head; 4, Z axis; 5, X-axis; 6, Y-axis; 7, work stage.
In Fig. 2,21 is photoelectric sensor; 22 is photoelectric sensor focusing knob, and 23 is photoelectric sensor installation seat, and 24 is 45 ° of speculums; 25 is lighting source, and 26 is laser generator, and 27 is focus lamp; 28 is focus lamp focusing differential head; 29 is protective glass, and 210 is high service unit, and 211 is nozzle; 212 is water jet; 213 is water inlet, and 214 is SMT plate to be processed, and 215 is workbench.
The illumination light that lighting source 25 is launched and the laser that laser generator 26 is launched incide 45 ° of speculums 24 simultaneously; 45 ° of speculums, 24 pairs of laser are all-trans; and it is anti-reflection to illumination light 45 degree; beam orthogonal incides on focus lamp 27; the Energy distribution of processing plane focal beam spot can be adjusted by the distance controlled between focus lamp 27 and processing platform 215; laser after focusing on through focus lamp 27, by getting to SMT plate 214 surface on workbench 215 after protective glass 29.Introduce High-Pressure Water from high service unit 210, workpiece in process is dipped in the water jet of high-pressure water jet 212 formation.
In Fig. 3,31 for compressing eccentric pole, and 32 is driven flat pole, 33 for compressing the turning arm of eccentric pole, 34 be driven pole open level and smooth groove, 35 is the axle center slide bar of driven pole, 36 is cylinder assembly, 37 cylinder rotating shafts, and M is that the seam compressed between eccentric pole and driven flat pole is wide.
Below by specific embodiment, the invention will be further elaborated, but be not limited only to the present embodiment.
Specific embodiment
[embodiment 1]
A kind of SMT template laser wet cutting process equipment, as shown in Figure 1, comprise cutting head, nozzle, automatically add the mechanism of nervous flat SMT template, described process equipment adopts mobile pair to drive gantry structure, Y-axis seesaws and drives X-axis to seesaw, and Z axis is fixed on X-axis moves on plate, and moves plate with X-axis and carry out side-to-side movement, Z-shaft movable plate is provided with cutting head and nozzle; Synchronously cooling water is sprayed to the cut point region below cutting head by this nozzle.
Add nervous flat SMT template mechanism, as shown in Figure 3, comprise and compress eccentric pole 31, driven flat pole 32, compresses the turning arm 33 of eccentric pole, a level and smooth groove 34 of driven pole, the axle center slide bar 35 of driven pole, cylinder assembly 36, cylinder rotating shaft 37; Compress eccentric pole 31 to be connected with the turning arm 33 compressing eccentric pole, the turning arm 33 compressing eccentric pole is connected with cylinder assembly 36, driven flat pole 32 has the axle center slide bar 35 of driven pole, cylinder rotating shaft 37 is arranged in cylinder assembly 36, be connected with cylinder pole, cylinder pole is connected with the turning arm 33 compressing eccentric pole.
SMT template laser wets cutting process method, comprises following several step: a) SMT template is fixed in the work stage of laser cutting machine; B) adjust the cutting head of laser cutting machine, aim at cut point region, laser cutting is carried out to SMT template, and the synchronous nozzle by cutting head side is to cut point area spray cooling water.
[embodiment 2]
A kind of SMT template laser wets cutting process method, comprises following several step:
A) SMT template is fixed in the work stage of laser cutting machine, adds nervous flat;
B) adjust the cutting head of laser cutting machine, aim at cut point region, laser cutting is carried out to SMT template, and the synchronous nozzle by cutting head side is to cut point area spray cooling water;
Laser cutting machine used adopts mobile pair to drive gantry structure, Y-axis seesaws and drives X-axis to seesaw, and Z axis is fixed on X-axis and moves on plate, and moves plate with X-axis and carry out side-to-side movement, Z-shaft movable plate is provided with cutting head, and is fixed with nozzle on cutting head side; Synchronously cooling water is sprayed to the cut point region below cutting head by this nozzle.
[embodiment 3]
The cutting of full-automatic SMT template cutting and detection integral system and a detection method, comprise following several step:
A) CCD linear scan assembly moves to cutting zone in X, Y-direction, and to scanning position, upper part cross beam movement is to non-cutting simultaneously;
B) lamp box above crossbeam presses down, and is clamped by cut steel disc, now enter scanning mode and carry out Scanning Detction with the upper glass surface of the assembly of CCD linear scan below;
C) file cut, scanned, position, direction, positive and negative judgement work are completed automatically by main control computer;
D) after the end of scan, lamp box moves, CCD scan components moves down, and has cut rear waste material dust exhaust apparatus and has automatically exited board cleaning waste residue;
E) waste material dust exhaust apparatus has been cleared up waste residue and is got back in equipment body and return to cut state;
If f) detect qualified steel disc, have few sky if detected, main control computer carries out short covering cutting;
Laser cutting machine used adopts and mobilely twoly drives gantry structure, and Y-axis seesaws and drives X-axis to seesaw, and Z axis is fixed on X-axis and moves on plate, and moves plate with X-axis and carry out side-to-side movement, Z-shaft movable plate is provided with cutting head and nozzle; Synchronously cooling water is sprayed to the cut point region below cutting head by this nozzle.
[embodiment 4]
The cutting of a kind of full-automatic SMT template cutting and detection integral system and detection method, this device systems adopts moving beam formula structure, be waste material dust suction parts below steel disc mesh stretching body, after cutting completes, waste material dust exhaust apparatus exits board cleaning waste residue automatically.CCD linear scan assembly simultaneously below waste material dust exhaust apparatus can move to cutting zone in X, Y-direction, and scanning position of appearing on the stage, upper part cross beam movement is to non-cutting simultaneously, lamp box above crossbeam presses down, clamped by cut steel disc with the upper glass surface of the assembly of CCD linear scan below, this thing enters scanning mode and carries out Scanning Detction.Cutting and scanning are completed by a main control computer simultaneously, and the work such as file, position, direction, positive and negative judgement cut, scanned thus main control computer completes automatically.After the end of scan, lamp box moves, scan components moves down, and waste material dust exhaust apparatus has been cleared up waste residue and got back in equipment body and return to cut state.If it is qualified to detect, this steel disc can unload, and has few sky if detected, and main control computer can carry out short covering cutting immediately, does not need contraposition again.
Laser cutting machine used adopts and mobilely twoly drives gantry structure, and Y-axis seesaws and drives X-axis to seesaw, and Z axis is fixed on X-axis and moves on plate, and moves plate with X-axis and carry out side-to-side movement, Z-shaft movable plate is provided with cutting head and nozzle; Synchronously cooling water is sprayed to the cut point region below cutting head by this nozzle.
Add nervous flat SMT template mechanism, comprise and compress eccentric pole, driven flat pole, compresses the turning arm of eccentric pole, a level and smooth groove of driven pole, the axle center slide bar of driven pole, cylinder assembly, cylinder rotating shaft; Compress eccentric pole to be connected with the turning arm compressing eccentric pole, the turning arm compressing eccentric pole is connected with cylinder assembly, driven flat pole has the axle center slide bar of driven pole, cylinder rotating shaft is arranged in cylinder assembly, be connected with cylinder pole, cylinder pole is connected with the turning arm compressing eccentric pole.
Cutting head of the present invention adopts coaxial injector, as shown in Figure 2, in hollow cylindrical, there is photoelectric sensor installation seat 23 upper end, photoelectric sensor 21 and photoelectric sensor focusing knob 22 are located at above photoelectric sensor installation seat 23, below photoelectric sensor installation seat 23, coaxial injector inside is provided with 45 ° of speculums 24, the cylindrical sidewall corresponding with 45 ° of speculums 24 is provided with lighting source 25, laser generator 26 is provided with below lighting source 25, 45 ° of speculums 24 are provided with focus lamp 27 below, the cylindrical sidewall of focus lamp 27 correspondence is provided with focus lamp focusing differential head 28, protective glass 29 is provided with below focus lamp 27, for having double-deck nozzle 211 below protective glass 29, water jet 212 passes through between nozzle 211 double-decker, nozzle 211 is connected with high service unit 210 by the water inlet 213 on sidewall.
Laser generator 26 is optical-fiber laser generator; Nozzle 211 is in annular, and water jet 212 is in column; Focus lamp focusing differential head 28 is for level or vertical adjusting focus lamp 7.
Claims (6)
1. SMT template laser wet cutting a processing method, comprise following several step:
A) SMT template is fixed in the work stage of laser cutting machine,
B) SMT template is added nervous flat with adding nervous flattening mechanism;
C) adjust SMT template laser to wet the cutting head of process equipment of cutting, aim at cut point region, laser cutting is carried out to SMT template, and the synchronous nozzle by cutting head side is to cut point area spray cooling water;
SMT template laser used wet cutting process equipment, comprise cutting head, nozzle, automatically add the mechanism of nervous flat SMT template, described process equipment adopts mobile pair to drive gantry structure, Y-axis seesaws and drives X-axis to seesaw, and Z axis is fixed on X-axis moves on plate, and move plate with X-axis and carry out side-to-side movement, Z-shaft movable plate is provided with cutting head and nozzle; Synchronously cooling water is sprayed to the cut point region below cutting head by this nozzle;
Described laser cutting machine adopts coaxial injector, described coaxial injector is hollow cylindrical, there is photoelectric sensor installation seat upper end, photoelectric sensor and photoelectric sensor focusing knob are located at above photoelectric sensor installation seat, below photoelectric sensor installation seat, coaxial injector inside is provided with 45 ° of speculums, the cylindrical sidewall corresponding with 45 ° of speculums is provided with lighting source, laser generator is provided with below lighting source, focus lamp is provided with below 45 ° of speculums, the cylindrical sidewall that focus lamp is corresponding is provided with focus lamp focusing differential head, protective glass is provided with below focus lamp, for having double-deck nozzle below protective glass, water jet passes through between nozzle double-decker, nozzle is connected with high service unit by the water inlet on sidewall.
2. SMT template laser according to claim 1 wet cutting processing method, it is characterized in that coaxial injector also comprises workbench, place workpiece to be processed above, workpiece to be processed is positioned at below nozzle.
3. SMT template laser according to claim 1 wet cutting processing method, it is characterized in that laser generator is optical-fiber laser generator; Nozzle is annular, and water jet is column; Focus lamp focusing differential head is used for level or vertical adjusting focus lamp.
4. SMT template laser according to claim 1 wet cutting processing method, it is characterized in that described automatically adding nervous flat SMT template mechanism, comprise and compress eccentric pole, driven flat pole, compress the turning arm of eccentric pole, a level and smooth groove of driven pole, the axle center slide bar of driven pole, cylinder assembly, cylinder rotating shaft; Compress eccentric pole to be connected with the turning arm compressing eccentric pole, the turning arm compressing eccentric pole is connected with cylinder assembly, driven flat pole has the axle center slide bar of driven pole, cylinder rotating shaft is arranged in cylinder assembly, and be connected with cylinder pole, cylinder pole is connected with the turning arm compressing eccentric pole.
5. SMT template laser according to claim 4 wets the processing method of cutting, when it is characterized in that laser cutting SMT template, SMT template is inserted and compresses in eccentric pole and driven flat pole.
6. SMT template laser according to claim 4 wet cutting processing method, when it is characterized in that opening cylinder assembly, cylinder rotating shaft band dynamic air cylinder pole is moved, and the turning arm that the drive of cylinder pole compresses eccentric pole rotates, thus the eccentric pole of compression is rotated.
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| CN201210015739.0A CN103212846B (en) | 2012-01-19 | 2012-01-19 | SMT template laser wet cutting processing method |
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| CN201210015739.0A CN103212846B (en) | 2012-01-19 | 2012-01-19 | SMT template laser wet cutting processing method |
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| CN107138853A (en) * | 2017-07-07 | 2017-09-08 | 深圳市普盛激光设备有限公司 | A kind of focus control of laser cutting device |
| DE102018125620A1 (en) | 2018-10-16 | 2020-04-16 | Schuler Pressen Gmbh | Method and device for cutting a sheet metal blank from a continuously conveyed sheet metal strip |
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