CN112705808A - SMT (surface Mount technology) stepped template welding method and device - Google Patents
SMT (surface Mount technology) stepped template welding method and device Download PDFInfo
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- CN112705808A CN112705808A CN202011571780.7A CN202011571780A CN112705808A CN 112705808 A CN112705808 A CN 112705808A CN 202011571780 A CN202011571780 A CN 202011571780A CN 112705808 A CN112705808 A CN 112705808A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/0008—Soldering, e.g. brazing, or unsoldering specially adapted for particular articles or work
- B23K1/0016—Brazing of electronic components
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/005—Soldering by means of radiant energy
- B23K1/0056—Soldering by means of radiant energy soldering by means of beams, e.g. lasers, E.B.
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/20—Preliminary treatment of work or areas to be soldered, e.g. in respect of a galvanic coating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
- B23K3/08—Auxiliary devices therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
- B23K3/08—Auxiliary devices therefor
- B23K3/087—Soldering or brazing jigs, fixtures or clamping means
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Abstract
The invention relates to the technical field of welding equipment, in particular to an SMT (surface mount technology) step template welding method and device, which comprises processing equipment, wherein a positioning slide rail is fixedly connected to the inner top surface of the processing equipment, a positioning slide block is slidably connected to the inner part of the front surface of the positioning slide rail, crank connecting rods are movably connected to the left side and the right side of the positioning slide block, a laser head is fixedly connected to the lower surface of the positioning slide block, an auxiliary turntable is movably connected to the front surface of the lower end of the crank connecting rod through a shaft, the distances from the positioning slide block to the surface of a workpiece are the same by ensuring that the working thicknesses are different, so that the normal work of the equipment is ensured, the use range of the equipment is enlarged, the working efficiency of the equipment is improved, irritant gas is purified, the environment is prevented from being polluted, the gas flow, therefore, the workpiece can be well prevented from warping and deforming, and the workpiece can be well protected.
Description
Technical Field
The invention relates to the technical field of welding equipment, in particular to a method and a device for welding an SMT (surface mount technology) stepped template.
Background
With the progress of SMT, the requirements for the SMT stencil are higher and higher, and because electronic components welded on one circuit board are different and different components have different tin thickness requirements, the SMT stencil of different components is required to be locally thinned or locally thickened, so that a 'step' appears on the stencil.
However, the height of the laser head cannot be well controlled according to the thickness of the SMT stepped template, so that the laser head may cause breakdown on work, and workpiece waste may be caused; accordingly, one skilled in the art provides a method and apparatus for welding an SMT stepped stencil to solve the above problems.
Disclosure of Invention
In order to solve the above technical problems, the present invention provides a method and a device for welding an SMT stepped stencil, which are achieved by the following specific technical means:
a SMT step template welding method comprises the following steps,
s1, primary installation: the workpiece is placed on the working table surface and is positioned under the limiting pressure plate, the workpiece is pushed to move at different distances by the limiting pressure plate due to different thicknesses of the workpiece, and when the limiting pressure plate moves, the limiting pressure plate drives the U-shaped frame at the upper end to synchronously move, so that the piston at the lower surface of the U-shaped frame performs air extraction movement in the positioning sucker;
s2, pressure difference principle: so that the pressure inside the positioning sucker is less than the pressure on the surface of the workpiece, and the workpiece is positioned on the surface of the processing table;
s3, height adjustment: in the moving process of the linkage rod, the linkage rod drives the auxiliary turntable above to rotate, so that the auxiliary turntable drives the crank connecting rod on the rear surface to move, the crank connecting rod drives the positioning sliding block on the right side to slide upwards in the positioning sliding rail, and the distance from the laser head to the surface of a workpiece is changed;
s4, classification comparison: one is that when the thickness of the workpiece is thin, the moving distance of the relative linkage rod is small, so the distance variation between the laser head on the lower surface of the positioning slide block and the workpiece is small, thereby ensuring the working distance of the laser; the other is that when the thickness of the workpiece is thick, the moving distance of the relative linkage rod is large, so that the distance variation from the laser head on the lower surface of the positioning slide block to the workpiece is large, and the distance from the positioning slide block to the surface of the workpiece is the same when the working thickness is different, so that the normal work of the equipment is ensured, the use range of the equipment is enlarged, and the working efficiency of the equipment is improved;
s5, electrifying during work: when the auxiliary turntable moves, the auxiliary turntable drives the transmission rod to move, so that the transmission rod drives the corner bracket to move, the corner bracket drives the reset spring to move, the movable sliding plate on the left side of the positioning rope drives the delay spring to move synchronously, the movable sliding plate is contacted with the power connection head, a circuit in the equipment is closed, and the processing fan starts to work;
s6, purifying and heat-proof effect: when handling the fan and beginning the during operation to the flue gas that produces absorbs the processing, thereby carries out purification treatment to the gas of irritability, thereby avoids the polluted environment, accelerates the gas flow velocity on workpiece surface simultaneously, thereby makes the temperature etc. on the work piece to the reduction, thereby can be fine prevent work piece warpage, thereby can be fine protect the work piece, thereby avoid causing unnecessary economic loss.
An SMT stepped template welding device comprises a processing device, wherein a positioning slide rail is fixedly connected to the inner top surface of the processing device, a positioning slide block is slidably connected to the inner portion of the front surface of the positioning slide rail, crank connecting rods are movably connected to the left side and the right side of the positioning slide block respectively, a laser head is fixedly connected to the lower surface of the positioning slide block, an auxiliary turntable is movably connected to the front surface of the lower end of each crank connecting rod through a shaft, a transmission rod is fixedly connected to the center of the front surface of the auxiliary turntable, a linkage rod is rotatably connected to the front surface of the auxiliary turntable through a shaft, a U-shaped frame is fixedly connected to the lower surface of the linkage rod, limiting pressure plates are fixedly connected to the left end and the right end of the lower surface of the U-shaped frame, a piston is fixedly connected to the center of the lower, the inside of processing equipment is located the outside fixedly connected with location sucking disc of piston, the upper surface of crank connecting rod rotates and is connected with the horn frame, the upper end fixedly connected with reset spring of horn frame, the left end swing joint of horn frame has the location rope, the inside of processing equipment is located the outside fixedly connected with fixed plate of location rope, the inside of fixed plate is located the right side swing joint of location rope and is removed the slide, remove the right flank fixedly connected with delay spring of slide, the inside of fixed plate is located the right side fixedly connected with of delay spring and connects the electrical connector, the inside of processing equipment is located the left side fixedly connected with locating rack of gangbar, the inside of locating rack is rotated and is connected with the processing fan, the inside of locating rack is located the below fixedly connected with activated carbon ball of processing fan.
Preferably, the positioning slide rail is internally provided with slide grooves matched with the positioning slide blocks, and the crank connecting rods are distributed in bilateral symmetry with the vertical central line of the positioning slide rail.
As optimization, the auxiliary turntable is rotationally connected with the processing equipment through a shaft, the auxiliary turntable is distributed in bilateral symmetry with the vertical central line of the processing equipment, and the auxiliary turntable is circular in shape.
As optimization, the limiting pressing plates are distributed in a bilateral symmetry mode by the aid of the vertical center line of the U-shaped frame, the positioning suckers are fixedly connected with the inner wall of the processing equipment, and cavities are formed inside the positioning suckers.
As an optimization, the right side surface of the fixing plate is provided with holes matched with the positioning ropes, and the upper surface of the reset spring is fixedly connected with the inner wall of the processing equipment.
As optimization, the lower surface of the positioning frame is provided with an air inlet, and the positioning frame is distributed in a bilateral symmetry mode by using the vertical central line of the processing equipment.
The invention has the following beneficial effects:
1. according to the SMT stepped template welding method and device, through positioning of workpieces with different thicknesses, when the workpieces are thin, the moving distance of the relative linkage rod is small, so that the distance variation from a laser head on the lower surface of the positioning sliding block to the workpieces is small, and the working distance of the laser is guaranteed; the other is when work piece thickness is thick, then the distance that relative gangbar removed is big, so the distance variation of laser head on the positioning slide lower surface to the work piece is big to guarantee that work thickness is different, positioning slide is the same to the distance on work piece surface, thereby guarantees the normal work of equipment, thereby increases the application range of equipment, thereby improve the work efficiency of equipment.
2. According to the SMT stepped template welding method and device, when the processing fan starts to work, generated smoke is absorbed, irritant gas is purified, environment pollution is avoided, the gas flowing speed of the surface of a workpiece is accelerated, the temperature of the workpiece is reduced, the workpiece is prevented from warping and deforming well, the workpiece is protected well, and unnecessary economic loss is avoided.
3. According to the SMT stepped template welding method and device, the limiting pressing plate drives the U-shaped frame at the upper end to move synchronously, so that the lower surface piston of the U-shaped frame performs air exhaust movement in the positioning sucker, the pressure inside the positioning sucker is smaller than the pressure on the surface of a workpiece, and the workpiece is positioned on the surface of the processing table.
Drawings
FIG. 1 is a schematic side sectional view of the processing apparatus of the present invention.
FIG. 2 is a schematic view of a positioning slider structure according to the present invention.
FIG. 3 is a schematic view of the U-shaped frame structure of the present invention.
FIG. 4 is a schematic view of an auxiliary turntable according to the present invention.
Fig. 5 is an enlarged view of the area a in fig. 4.
FIG. 6 is a schematic view of a processing fan according to the present invention.
In the figure: 1. processing equipment; 2. positioning the slide rail; 3. positioning the sliding block; 4. a crank connecting rod; 5. a laser head; 6. an auxiliary turntable; 7. a transmission rod; 8. a linkage rod; 9. a U-shaped frame; 10. a limiting pressure plate; 11. an air spring; 12. a piston; 13. positioning a sucker; 14. a corner bracket; 15. a return spring; 16. positioning the rope; 17. connecting a power head; 18. moving the sliding plate; 19. a delay spring; 20. a fixing plate; 21. a positioning frame; 22. a processing fan; 23. an activated carbon sphere.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, an SMT step stencil welding method includes the following steps,
s1, primary installation: the workpiece is placed on the working table surface and is positioned under the limiting pressure plate 10, the workpiece pushes the limiting pressure plate 10 to move at different distances due to different thicknesses of the workpiece, and when the limiting pressure plate 10 moves, the limiting pressure plate 10 drives the U-shaped frame 9 at the upper end to synchronously move, so that the piston 12 on the lower surface of the U-shaped frame 9 performs air suction motion in the positioning sucker 13;
s2, pressure difference principle: so that the pressure inside the positioning suction cup 13 is lower than the pressure on the surface of the workpiece, thereby positioning the workpiece on the surface of the processing table;
s3, height adjustment: in the process of moving the linkage rod 8, the linkage rod 8 drives the auxiliary turntable 6 above to rotate, so that the auxiliary turntable 6 drives the crank connecting rod 4 on the rear surface to move, the crank connecting rod 4 drives the positioning slide block 3 on the right side to slide upwards in the positioning slide rail 2, and the distance from the laser head 5 to the surface of a workpiece is changed;
s4, classification comparison: one is that when the thickness of the workpiece is thin, the moving distance of the relative linkage rod 8 is small, so the distance variation between the laser head 5 on the lower surface of the positioning slide block 3 and the workpiece is small, thereby ensuring the working distance of the laser; the other is that when the thickness of the workpiece is thick, the moving distance of the relative linkage rod 8 is large, so that the distance variation from the laser head 5 on the lower surface of the positioning slide block 3 to the workpiece is large, and the distances from the positioning slide block 3 to the surface of the workpiece are the same when the working thicknesses are different, so that the normal work of the equipment is ensured, the use range of the equipment is enlarged, and the working efficiency of the equipment is improved;
s5, electrifying during work: when the auxiliary turntable 6 moves, the auxiliary turntable 6 drives the transmission rod 7 to move, so that the transmission rod 7 drives the corner bracket 14 to move along with the corner bracket 14, the return spring 15 is driven by the corner bracket 14 to move along with the return spring, the movable sliding plate 18 on the left side of the positioning rope 16 drives the delay spring 19 to move along with the delay spring, the movable sliding plate 18 is in contact with the electric connector 17, a circuit in the equipment is closed, and the processing fan 22 starts to work;
s6, purifying and heat-proof effect: when handling fan 22 and beginning the during operation to the flue gas that produces absorbs the processing, thereby carries out purification treatment to the gas of irritability, thereby avoids the polluted environment, accelerates the gas flow velocity on workpiece surface simultaneously, thereby makes the temperature on the work piece etc. to reducing, thereby can be fine prevent work piece warpage, thereby can be fine protect the work piece, thereby avoid causing unnecessary economic loss.
An SMT stepped template welding device comprises a processing device 1, wherein a positioning slide rail 2 is fixedly connected to the inner top surface of the processing device 1, a sliding groove matched with a positioning slide block 3 is formed in the positioning slide rail 2, crank connecting rods 4 are distributed in a bilateral symmetry mode according to the vertical central line of the positioning slide rail 2, the positioning slide block 3 is connected to the inner portion of the front surface of the positioning slide rail 2 in a sliding mode, crank connecting rods 4 are movably connected to the left side and the right side of each positioning slide block 3, a laser head 5 is fixedly connected to the lower surface of each positioning slide block 3, an auxiliary turntable 6 is movably connected to the front surface of the lower end of each crank connecting rod 4 through a shaft, the auxiliary turntable 6 is rotatably connected with the processing device 1 through a shaft, the auxiliary turntables 6 are distributed in a bilateral symmetry mode according to the vertical central line of the processing device 1, the front surface of the auxiliary turntable 6 is rotatably connected with a linkage rod 8 through a shaft, the lower surface of the linkage rod 8 is fixedly connected with a U-shaped frame 9, the left end and the right end of the lower surface of the U-shaped frame 9 are fixedly connected with limiting pressure plates 10, and the limiting pressure plates 10 are distributed in bilateral symmetry with the vertical central line of the U-shaped frame 9.
The positioning sucker 13 is fixedly connected with the inner wall of the processing equipment 1, the inside of the positioning sucker 13 is a cavity, the center of the lower surface of the U-shaped frame 9 is fixedly connected with the piston 12, the lower surface of the U-shaped frame 9 is positioned at both sides of the piston 12 and is fixedly connected with the air springs 11, the inside of the processing equipment 1 is positioned at the outside of the piston 12 and is fixedly connected with the positioning sucker 13, the upper surface of the crank connecting rod 4 is rotatably connected with the angle frame 14, the upper end of the angle frame 14 is fixedly connected with the reset spring 15, the left end of the angle frame 14 is movably connected with the positioning rope 16, the inside of the processing equipment 1 is positioned at the outside of the positioning rope 16 and is fixedly connected with the fixing plate 20, the right side surface of the fixing plate 20 is provided with holes matched with the positioning rope 16, the upper surface of the reset spring 15 is fixedly connected with the inner wall of the processing equipment 1, by positioning, therefore, the distance variation from the laser head 5 on the lower surface of the positioning slide block 3 to the workpiece is small, so that the working distance of the laser is ensured; the other is when work piece thickness is thick, then the distance that relative gangbar 8 removed is big, so the distance variation of laser head 5 on the lower surface of location slider 3 to the work piece is big to guarantee that work thickness is different, the distance of location slider 3 to the work piece surface is the same, thereby guarantees the normal work of equipment, thereby increases the application range of equipment, thereby improves the work efficiency of equipment.
A movable sliding plate 18 is movably connected to the right side of the positioning rope 16 inside the fixing plate 20, a delay spring 19 is fixedly connected to the right side surface of the movable sliding plate 18, a power connection head 17 is fixedly connected to the right side of the delay spring 19 inside the fixing plate 20, a positioning frame 21 is fixedly connected to the left side of the linkage rod 8 inside the processing equipment 1, an air inlet is formed in the lower surface of the positioning frame 21, the positioning frame 21 is distributed in bilateral symmetry with the vertical central line of the processing equipment 1, a processing fan 22 is rotatably connected to the inside of the positioning frame 21, an activated carbon ball 23 is fixedly connected to the lower side of the processing fan 22 inside the positioning frame 21, and when the processing fan 22 starts to work, the generated flue gas is absorbed, so that the irritant gas is purified, the environment is prevented from being polluted, the gas flow velocity on the surface of the workpiece is accelerated, and the temperature and the like on the, therefore, the workpiece can be well prevented from warping and deforming, the workpiece can be well protected, and unnecessary economic loss is avoided.
When the device is used, a workpiece is placed on a working table surface and is positioned under a limiting pressure plate 10, due to different thicknesses of the workpiece, the distance for the workpiece to push the limiting pressure plate 10 to move is different, when the limiting pressure plate 10 moves, the limiting pressure plate 10 drives a U-shaped frame 9 at the upper end to follow and synchronously move, so that a lower surface piston 12 of the U-shaped frame 9 performs air suction motion in a positioning sucker 13, the pressure in the positioning sucker 13 is smaller than the pressure on the surface of the workpiece, the workpiece is positioned on the surface of a processing table, in the moving process of a linkage rod 8, the linkage rod 8 drives an auxiliary turntable 6 above the linkage rod to rotate, so that the auxiliary turntable 6 drives a crank connecting rod 4 on the rear surface to follow and move, so that the crank connecting rod 4 drives a positioning slide block 3 on the right side to upwards slide in the positioning slide rail 2, and the distance from a laser head 5 to the surface of the workpiece is changed, one is that when the thickness of the workpiece is thin, the moving distance of the relative linkage rod 8 is small, so the distance variation between the laser head 5 on the lower surface of the positioning slide block 3 and the workpiece is small, thereby ensuring the working distance of the laser; the other is that when the thickness of the workpiece is thick, the moving distance of the relative linkage rod 8 is large, so the distance variation from the laser head 5 on the lower surface of the positioning slide block 3 to the workpiece is large, thereby ensuring different working thicknesses, the distance from the positioning slide block 3 to the surface of the workpiece is the same, thereby ensuring the normal work of the equipment, thereby increasing the use range of the equipment, thereby improving the working efficiency of the equipment, thereby enabling the auxiliary turntable 6 to drive the transmission rod 7 to move, thereby enabling the transmission rod 7 to drive the angle bracket 14 to move along with the movement, thereby enabling the angle bracket 14 to drive the reset spring 15 to move along with the movement, thereby enabling the moving sliding plate 18 on the left side of the positioning rope 16 to drive the delay spring 19 to move along with the movement, thereby enabling the moving sliding plate 18 to contact with the electric connector 17, thereby enabling the circuit inside the equipment to be closed, thereby enabling the processing, thereby carry out purification treatment to amazing gas to avoid the polluted environment, accelerate the gas flow velocity on workpiece surface simultaneously, thereby make temperature etc. on the work piece to the reduction, thereby can be fine prevent work piece warp deformation, thereby can be fine protect the work piece, thereby avoid causing unnecessary economic loss.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The SMT stepped template welding method comprises the following steps of:
s1, primary installation: the workpiece is placed on a working table surface and is positioned under a limiting pressure plate (10), the workpiece is pushed to move at different distances due to different thicknesses of the workpiece, and when the limiting pressure plate (10) moves, the limiting pressure plate (10) drives a U-shaped frame (9) at the upper end to synchronously move, so that a lower surface piston (12) of the U-shaped frame (9) performs air exhaust movement in a positioning sucker (13);
s2, pressure difference principle: so that the pressure inside the positioning suction disc (13) is less than the pressure on the surface of the workpiece, thereby positioning the workpiece on the surface of the processing table;
s3, height adjustment: in the moving process of the linkage rod (8), the linkage rod (8) drives the auxiliary turntable (6) above to rotate, so that the auxiliary turntable (6) drives the crank connecting rod (4) on the rear surface to move, the crank connecting rod (4) drives the positioning sliding block (3) on the right side to slide upwards in the positioning sliding rail (2), and the distance from the laser head (5) to the surface of a workpiece is changed;
s4, classification comparison: one is that when the thickness of the workpiece is thin, the moving distance of the relative linkage rod (8) is small, so the distance variation between the laser head (5) on the lower surface of the positioning slide block (3) and the workpiece is small, thereby ensuring the working distance of the laser; the other is that when the thickness of the workpiece is thick, the moving distance of the relative linkage rod (8) is large, so that the distance variation between the laser head (5) on the lower surface of the positioning slide block (3) and the workpiece is large, and the distance between the positioning slide block (3) and the surface of the workpiece is the same when the working thickness is different, so that the normal work of the equipment is ensured, the use range of the equipment is enlarged, and the working efficiency of the equipment is improved;
s5, electrifying during work: when the auxiliary turntable (6) moves, the auxiliary turntable (6) drives the transmission rod (7) to move, the transmission rod (7) drives the corner bracket (14) to move along with the corner bracket (14), the corner bracket (14) drives the reset spring (15) to move along with the corner bracket (14), the movable sliding plate (18) on the left side of the positioning rope (16) drives the delay spring (19) to move along with the corner bracket (14), the movable sliding plate (18) is in contact with the power connection head (17), the circuit inside the equipment is closed, and the processing fan (22) starts to work;
s6, purifying and heat-proof effect: when handling fan (22) during operation to absorb the processing to the flue gas that produces, thereby carry out purification treatment to the gas of irritability, thereby avoid the polluted environment, accelerate the gas flow velocity on workpiece surface simultaneously, thereby make the temperature on the work piece etc. to reduce, thereby can be fine prevent work piece warpage, thereby can be fine protect the work piece, thereby avoid causing unnecessary economic loss.
2. An SMT step stencil welding method according to claim 1, wherein an SMT step stencil welding device is provided, comprising a processing device (1), wherein: the inner top surface of the processing equipment (1) is fixedly connected with a positioning slide rail (2), the inner part of the front surface of the positioning slide rail (2) is connected with a positioning slide block (3) in a sliding manner, the left side and the right side of the positioning slide block (3) are respectively and movably connected with a crank connecting rod (4), the lower surface of the positioning slide block (3) is fixedly connected with a laser head (5), the front surface of the lower end of the crank connecting rod (4) is movably connected with an auxiliary turntable (6) through a shaft, the center of the front surface of the auxiliary turntable (6) is fixedly connected with a transmission rod (7), the front surface of the auxiliary turntable (6) is rotatably connected with a linkage rod (8) through a shaft, the lower surface of the linkage rod (8) is fixedly connected with a U-shaped frame (9), the left end and the right end of the lower surface of the U-shaped frame (9) are respectively and, the lower surface of the U-shaped frame (9) is located on two sides of a piston (12) and is fixedly connected with an air spring (11), the inside of the processing equipment (1) is located on the outer portion of the piston (12) and is fixedly connected with a positioning sucker (13), the upper surface of the crank connecting rod (4) is rotatably connected with an angle frame (14), the upper end of the angle frame (14) is fixedly connected with a return spring (15), the left end of the angle frame (14) is movably connected with a positioning rope (16), the inside of the processing equipment (1) is located on the outer portion of the positioning rope (16) and is fixedly connected with a fixing plate (20), the inside of the fixing plate (20) is located on the right side of the positioning rope (16) and is movably connected with a movable sliding plate (18), the right side face of the movable sliding plate (18) is fixedly connected with a time delay spring (19), the inside of the fixing plate (20, the inside of processing equipment (1) is located left side fixedly connected with locating rack (21) of gangbar (8), the inside of locating rack (21) is rotated and is connected with and handles fan (22), the inside of locating rack (21) is located the below fixedly connected with active carbon ball (23) of handling fan (22).
3. An SMT step stencil welding method and apparatus according to claim 2, wherein: the inside of location slide rail (2) is seted up the spout that matches each other with location slider (3), crank connecting rod (4) are bilateral symmetry with the vertical central line of location slide rail (2) and distribute.
4. An SMT step stencil welding method and apparatus according to claim 2, wherein: the auxiliary turntable (6) is rotatably connected with the processing equipment (1) through a shaft, the auxiliary turntable (6) is distributed in a bilateral symmetry mode through the vertical central line of the processing equipment (1), and the auxiliary turntable (6) is circular in shape.
5. An SMT step stencil welding method and apparatus according to claim 2, wherein: the limiting pressing plate (10) is distributed in a bilateral symmetry mode through the vertical center line of the U-shaped frame (9), the positioning sucker (13) is fixedly connected with the inner wall of the processing equipment (1), and the inside of the positioning sucker (13) is a cavity.
6. An SMT step stencil welding method and apparatus according to claim 2, wherein: the right side surface of the fixing plate (20) is provided with holes matched with the positioning ropes (16), and the upper surface of the return spring (15) is fixedly connected with the inner wall of the processing equipment (1).
7. An SMT step stencil welding method and apparatus according to claim 2, wherein: the lower surface of the positioning frame (21) is provided with an air inlet, and the positioning frame (21) is distributed in a bilateral symmetry mode by using the vertical central line of the processing equipment (1).
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103165304A (en) * | 2011-12-15 | 2013-06-19 | 施耐德电器工业公司 | Auxiliary contact actuating device in an electric switchgear apparatus |
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| CN109250501A (en) * | 2018-09-13 | 2019-01-22 | 郑州天舜电子技术有限公司 | A kind of mobile phone screen sealing negative pressure adsorption equipment |
| CN211490216U (en) * | 2019-10-11 | 2020-09-15 | 浙江方向实业有限公司 | Novel hot plate welding handrail |
| CN211939249U (en) * | 2020-03-24 | 2020-11-17 | 重庆市铁越机械配件制造有限公司 | Plate material adsorption type plate shearing machine |
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2020
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| CN103165304A (en) * | 2011-12-15 | 2013-06-19 | 施耐德电器工业公司 | Auxiliary contact actuating device in an electric switchgear apparatus |
| CN103398687A (en) * | 2013-08-09 | 2013-11-20 | 昆山允可精密工业技术有限公司 | Contact-type measurement assembly line device for thickness of wide-breadth precision thin plate |
| JP2015139944A (en) * | 2014-01-29 | 2015-08-03 | パナソニックＩｐマネジメント株式会社 | Screen printing device, electronic part mounting system and screen printing method |
| CN207302901U (en) * | 2017-10-24 | 2018-05-01 | 沈阳安瑞信科技有限公司 | A kind of low voltage isolation switch of electric drive |
| CN108817812A (en) * | 2018-08-08 | 2018-11-16 | 太仓市凯润尔展示器材有限公司 | A kind of laser cutting device |
| CN109250501A (en) * | 2018-09-13 | 2019-01-22 | 郑州天舜电子技术有限公司 | A kind of mobile phone screen sealing negative pressure adsorption equipment |
| CN211490216U (en) * | 2019-10-11 | 2020-09-15 | 浙江方向实业有限公司 | Novel hot plate welding handrail |
| CN211939249U (en) * | 2020-03-24 | 2020-11-17 | 重庆市铁越机械配件制造有限公司 | Plate material adsorption type plate shearing machine |
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| CN112705808B (en) | 2022-06-07 |
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