CN111715959A - Non-contact laser soldering machine - Google Patents
Non-contact laser soldering machine Download PDFInfo
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- CN111715959A CN111715959A CN202010589613.9A CN202010589613A CN111715959A CN 111715959 A CN111715959 A CN 111715959A CN 202010589613 A CN202010589613 A CN 202010589613A CN 111715959 A CN111715959 A CN 111715959A
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- Prior art keywords
- tin
- laser
- soldering
- breaking
- placing
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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
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
- B23K3/06—Solder feeding devices; Solder melting pans
- B23K3/0607—Solder feeding devices
- B23K3/0623—Solder feeding devices for shaped solder piece feeding, e.g. preforms, bumps, balls, pellets, droplets
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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
- B23K3/08—Auxiliary devices therefor
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Electric Connection Of Electric Components To Printed Circuits (AREA)
- Laser Beam Processing (AREA)
Abstract
The application relates to the field of laser soldering tin, in particular to a non-contact laser soldering tin machine. The non-contact laser soldering machine comprises a tin feeding device, a workbench, a laser soldering device, a rack and a processing plate; the frame is arranged on the workbench, the processing plate is used for placing a device to be processed, and the processing plate is arranged on the workbench; the machine frame is provided with a connecting piece, the laser tin soldering device comprises a laser generator, a laser box and a laser tin soldering head, the output end of the laser generator is connected with the laser box, a focusing lens for focusing is arranged in the laser box, and the output end of the laser box is connected with the laser tin soldering head; the laser welding tin head is arranged on the connecting piece; the tin feeding device is arranged on the connecting piece and used for conveying the tin wires to the soldering points. The welding device has the effect of effectively reducing the displacement of parts during welding.
Description
Technical Field
The application relates to the field of laser soldering tin, in particular to a non-contact laser soldering tin machine.
Background
At present, soldering tin is an important industrial raw material for connecting electronic components in a soldering circuit, and is a solder with a low melting point. When the soldering tin is used, the soldering tin is usually in a coiled tin wire state, when the soldering tin is used, all workpieces or large-range or single bodies of base materials such as circuit boards, wire rods, electronic devices and the like are heated completely by high-temperature air flow, high-temperature liquid or high-temperature solid heat conductors, so that the nearby tin wires are changed into a fluid state or liquid under the assistance of soldering flux, pins and terminals of the electronic devices are physically communicated with a target object, and after the soldering tin is cooled, adhesion soldering is formed.
Traditional soldering tin machine includes the soldering bit usually, the soldering bit is in high temperature state during the welding, treat the soldering tin point of welding the device with soldering bit and tin wire simultaneous contact, the soldering tin point is for treating the position that the welding device needs the welding, the tin wire becomes the tin liquid of fluid state or liquid under high temperature, then take away soldering bit and tin wire, treat that the tin liquid cooling on the welding device solidifies and forms the tin piece, the tin piece makes this electronic components's of treating the welding department stitch, the terminal constitutes the physics with the subject and switches on.
When welding, the soldering bit needs to be processed in a contact mode, and the phenomenon that parts are easy to shift due to large mechanical stress or thermal stress is generated.
In view of the above-described related art, the inventors consider that there is a defect that the parts are easily displaced when welding.
Disclosure of Invention
In order to reduce the displacement of parts during welding, the application provides a non-contact laser soldering machine.
The application provides a non-contact laser soldering tin machine adopts following technical scheme:
a non-contact laser tin soldering machine comprises a tin feeding device, a workbench, a laser tin soldering device, a rack and a processing plate; the frame is arranged on the workbench, the processing plate is used for placing a device to be processed, and the processing plate is arranged on the workbench; the laser soldering device comprises a laser generator, a laser box and a laser soldering tin head, wherein the output end of the laser generator is connected with the laser box, a focusing lens for focusing is arranged in the laser box, and the output end of the laser box is connected with the laser soldering tin head; the laser welding tin head is arranged on the connecting piece; the tin feeding device is arranged on the connecting piece and used for conveying the tin wires to the soldering points.
Through adopting above-mentioned technical scheme, when needs welding, to treat that welded device places on the processing board, then send the tin device to convey the tin line to the soldering tin point, laser box shines the tin line to the soldering tin point through laser soldering tin head after with the laser focus that laser generator produced, thereby the tin line of soldering tin point melts and realizes the welding, because at this in-process laser can not the direct contact treat that welded device, only shines laser at the soldering tin point and welds, difficult mechanical stress or thermal stress that produce leads to the part to shift during the event welding, the aversion of part when the event this non-contact laser soldering machine has effectively reduced the welding.
Preferably, the non-contact laser soldering machine further comprises a driving mechanism, the driving mechanism is arranged on the rack, and the driving mechanism is used for driving the laser soldering tin head to rotate relative to the workbench.
Through adopting above-mentioned technical scheme, treat and to have different soldering tin point on the welding device, actuating mechanism can drive the laser soldering tin head and rotate to the different soldering tin points on the welding device can be treated to the laser soldering tin head and weld, so can make the laser soldering tin head weld different soldering tin points under treating the unmovable condition of welding device, the soldering tin scope of laser soldering tin head is wide, treats the difficult skew of part on the welding device simultaneously.
Preferably, the driving mechanism comprises a mounting plate, a connecting plate and a rotary hydraulic cylinder, and the mounting plate is fixedly connected with the connecting piece; the rotary hydraulic cylinder is fixedly connected with the mounting plate, an output shaft of the rotary hydraulic cylinder penetrates through the mounting plate to be connected with the connecting plate, and the laser welding tin head is arranged on the connecting plate.
Through adopting above-mentioned technical scheme, rotatory hydraulic cylinder can drive the connecting plate and rotate for the mounting panel to the laser welding tin head that sets up on the connecting plate also can corresponding rotation.
Preferably, the tin feeding device comprises a tin placing frame, a tin breaking mechanism and a tin guiding mechanism; the tin placing frame is used for placing tin wires and conveying the tin wires to the tin breaking mechanism; the tin breaking mechanism is used for processing the tin wire; the tin guiding mechanism is used for guiding the tin wire so that one end of the tin wire, which deviates from the tin breaking mechanism, is positioned at a tin soldering point.
By adopting the technical scheme, the tin wire on the tin wire coil can be conveyed to a tin soldering point through the tin placing frame, the tin breaking mechanism and the tin guiding mechanism.
Preferably, the tin placing frame comprises a mounting block, a tin placing roller, a rotating sleeve, a first positioning sleeve, a second positioning sleeve and a limiting assembly, the mounting block is arranged on the connecting piece, one end of the tin placing roller is fixedly connected with the mounting block, and the rotating sleeve is rotatably sleeved outside the tin placing roller; the first positioning sleeve is fixedly connected with the rotating sleeve, and the second positioning sleeve can be sleeved in or separated from the tin placing roller; the second positioning sleeve is used for forming a tin placing space for placing a tin wire coil with the first positioning sleeve when being sleeved into the tin placing roller; the limiting assembly is used for limiting the second positioning sleeve so as to keep the second positioning sleeve at a position sleeved on the tin placing roller.
Through adopting above-mentioned technical scheme, when needs installation tin coil, because the sleeve has in the tin coil, can deviate from the second position sleeve and put the tin roller, then insert the tin coil into the sleeve, then embolia the second position sleeve and put the tin roller so that the tin coil is located and put the tin space, install spacing subassembly simultaneously and make the second position sleeve keep in the position of emboliaing and putting the tin roller on putting the tin roller, thereby the tin coil can keep being located and put the position in tin space under the effect of first position sleeve and second position sleeve at this moment, the tin coil has realized the installation and is difficult for and has put tin roller relative separation. When the tin wire coil needs to be replaced after being used, the limiting component can be enabled to release the limiting effect on the second positioning sleeve, and then the second positioning sleeve is separated from the tin roller, so that the tin wire coil can be conveniently separated from the tin roller, and the tin wire coil is convenient to disassemble and assemble.
Preferably, the limiting assembly comprises a shell, a pressing piece and a clamping elastic sheet, the shell is provided with a mounting hole for a tin placing roller to pass through, the aperture of the mounting hole is larger than the diameter of the tin placing roller, the clamping elastic sheet is arranged inside the shell, the shell is provided with a connecting hole, and the pressing piece is connected with the clamping elastic sheet through the connecting hole; the clamping elastic sheet is provided with a clamping hole for the tin roller to pass through, and the aperture of the clamping hole is larger than that of the mounting hole; the clamping elastic sheet is used for forming an acute angle between the central axis of the clamping hole and the length axis of the tin placing roller when moving to the first position, and the hole wall of the clamping hole is abutted against the tin placing roller so as to ensure that the clamping elastic sheet and the tin placing roller are relatively fixed; the clamping elastic sheet is used for moving to a second position, the central axis of the clamping hole is vertical to the length axis of the tin placing roller, and the clamping hole is overlapped with the mounting hole; the clamping elastic sheet is located at a first position in a natural state, and the pressing piece is used for being pressed to drive the clamping elastic sheet to move to a second position.
By adopting the technical scheme, when the limiting assembly is needed to position the second positioning sleeve, the pressing piece is manually pressed to enable the clamping elastic sheet to move to the second position, the clamping hole coincides with the mounting hole at the moment, then the tin placing roller is inserted into the clamping hole and the mounting hole, when the shell is in contact with the second positioning sleeve, the pressing piece is released from being pressed, the clamping elastic sheet can return to the first position under the action of self elasticity at the moment, the hole wall of the clamping hole abuts against the tin placing roller to enable the clamping elastic sheet to be relatively fixed with the tin placing roller, and the clamping elastic sheet is arranged inside the shell, so that the shell can be relatively fixed with the tin placing roller at the moment, the second positioning sleeve is blocked by the shell at the moment, the second positioning sleeve cannot be separated from the tin placing roller, and the limiting assembly limits the second positioning sleeve in this way.
Preferably, the tin breaking mechanism comprises a tin breaking box and a power part, the tin breaking box is connected with the laser box, the tin breaking box is provided with a tin inlet pipe and a tin outlet pipe, the tin inlet pipe is used for receiving a tin wire conveyed by the tin placing frame, and the tin outlet pipe is used for allowing the tin wire to penetrate out of the tin breaking box; the tin breaking box is internally provided with a tin breaking knife wheel and a guide wheel which are opposite, a space for a tin wire to pass through is formed between the tin breaking knife wheel and the guide wheel, the tin breaking knife wheel is provided with an annular blade, a knife-shaped gear is coaxially arranged on the annular blade, and the guide wheel is provided with an annular groove for accommodating the tin wire; the power part is used for driving the tin breaking cutter wheel to rotate.
Through adopting above-mentioned technical scheme, the tin wire can follow into tin tube entering and break inside the tin box, then the broken tin break flywheel of power part drive rotates, annular blade can support the tin wire to press the cell wall to the annular groove this moment, annular blade can break tin to the tin wire simultaneously, and can drive the motion of tin wire when rotating, the annular blade rotation can be followed to sword form gear, sword form gear can extrude the aperture on the tin wire when rotating, thereby the scaling powder can gasify when heating when welding the tin wire after breaking tin, spill over from the hole, the solderability and the mobility of reinforcing soldering tin, prevent the production of "tin explosion" phenomenon.
Preferably, the tin breaking mechanism further comprises a knob, and the knob penetrates through the tin breaking box and is fixedly connected with the center of the tin breaking knife wheel.
By adopting the technical scheme, when an operator needs to manually perform welding test on certain devices, the operator can manually rotate the knob to adjust the discharge of the tin wire, and the operator is convenient to use.
Preferably, the tin guide mechanism comprises a mounting seat and a tin guide tube, the mounting seat is arranged on the laser box, the tin guide tube is rotatably arranged on the mounting seat, and the tin guide tube is used for guiding the tin wire so that one end of the tin wire, which is far away from the tin breaking mechanism, is located at a soldering point.
Through adopting above-mentioned technical scheme, the tin wire passes from leading the tin pipe when needs welding, leads the tin pipe and can lead the tin wire to the motion of tin wire is more accurate. Meanwhile, the tin guide pipe can rotate, so that the discharging angle of the tin wire can be adjusted, the tin wire can meet the welding requirements of different welding points, and the application range is wide.
Preferably, the tin guide mechanism further comprises a first connecting rod, a second connecting rod and an adjusting block, wherein a plurality of first fixing holes are formed in the mounting seat, the first fixing holes are arranged along a circular arc shape, a connecting groove for the mounting seat to penetrate through is formed in the adjusting block, and a second fixing hole communicated with the connecting groove is formed in the adjusting block; the tin guide pipe is characterized in that the first connecting rod is fixedly connected with the adjusting block, the second connecting rod is rotatably provided with a first plug connector and a second plug connector, the first plug connector is provided with an insertion groove, the first connecting rod is inserted into the insertion groove, the second plug connector is provided with an insertion channel, and the tin guide pipe penetrates through the insertion channel.
By adopting the technical scheme, the bolt penetrates through the second fixing hole and the first fixing holes at different positions during installation, so that the adjusting block and the mounting seat can be kept fixed at different positions, and the relative position of the adjusting block and the mounting seat can be adjusted. Because first plug connector and second plug connector all rotate with the second connecting rod to be connected, the inserting groove of first plug connector is inserted to first connecting rod, leads the grafting passageway on the tin pipe passes the second plug connector, so lead tin pipe and first connecting rod and can rotate relatively, because first connecting rod is fixed to be set up on the regulating block, so lead the tin pipe this moment and can rotate for the regulating block to the angle modulation of leading tin pipe has just been realized.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the non-contact laser soldering machine effectively reduces the displacement of parts during welding;
2. the tin wire coil is convenient to disassemble and assemble;
3. the solderability and the fluidity of the soldering tin are enhanced, and the tin explosion phenomenon is prevented;
4. can adjust the ejection of compact angle of tin line, make the tin line can satisfy the welding demand of different welding points, application range is wide.
Drawings
Fig. 1 is a schematic structural diagram of a non-contact laser soldering machine according to an embodiment of the present application.
Fig. 2 is a right side view of the non-contact laser soldering machine shown in fig. 1.
Fig. 3 is a schematic view of a connection structure of a tin placing rack and a tin breaking mechanism according to an embodiment of the present application.
Fig. 4 is a schematic structural diagram of the tin rack housing in fig. 3 when the housing is exploded.
Fig. 5 is a schematic structural diagram of the tin breaking box of the tin breaking mechanism in fig. 3 when the tin breaking box explodes.
Fig. 6 is a schematic structural diagram of a tin guiding mechanism according to an embodiment of the present application.
Description of reference numerals: 1. a work table; 2. processing a plate; 3. a frame; 31. a first support arm; 32. a second support arm; 4. a connecting member; 5. a laser soldering device; 51. a laser generator; 52. a laser box; 53. laser soldering tin heads; 6. placing a tin frame; 61. mounting blocks; 62. placing a tin roller; 63. rotating the sleeve; 64. a first positioning sleeve; 65. a second positioning sleeve; 66. a limiting component; 661. a housing; 662. a pressing member; 663. clamping and fixing the elastic sheet; 664. mounting holes; 665. connecting holes; 666. a clamping hole; 67. placing a tin space; 7. a tin breaking mechanism; 71. breaking a tin box; 72. a power member; 73. a tin inlet pipe; 74. discharging the tin tube; 75. breaking a tin knife wheel; 76. a guide wheel; 77. an annular blade; 78. a knife-shaped gear; 79. an annular groove; 710. a knob; 711. an encoder; 712. an auxiliary wheel; 8. a tin guide mechanism; 81. a mounting seat; 82. a tin guide tube; 83. a first link; 84. a second link; 85. an adjusting block; 86. a first fixing hole; 87. connecting grooves; 88. a second fixing hole; 89. a first connector; 810. a second plug connector; 811. a rotating shaft; 812. hole turning; 813. inserting grooves; 814. a plug channel; 9. a drive mechanism; 91. mounting a plate; 92. a connecting plate; 93. rotating the hydraulic cylinder; 10. a guide channel; 11. a guide plate; 12. and (4) sliding the track.
Detailed Description
The present application is described in further detail below with reference to figures 1-6.
The embodiment of the application discloses non-contact laser soldering machine. Referring to fig. 1, the non-contact laser soldering machine includes a work table 1, a frame 3, and a processing plate 2; the frame 3 sets up on workstation 1, and frame 3 has first support arm 31 and the second support arm 32 that is the L type, and first support arm 31 is vertical to be set up on workstation 1, and the connected mode of first support arm 31 and workstation 1 can be bolted connection simultaneously, and second support arm 32 is the horizontality. Processing board 2 is used for placing and treats the processing device, and processing board 2 sets up on workstation 1, and processing board 2 is square, is equipped with the track 12 that slides on workstation 1, and processing board 2 can slide for the track 12 that slides. The processing plate 2 is provided with a guide channel 10, the workbench 1 is provided with a guide plate 11, and the guide plate 11 penetrates through the guide channel 10. The length direction of the guide channel 10 is perpendicular to the length direction of the second arm 32. When specifically using, accessible motor (not shown in the figure) and belt (not shown in the figure) drive processing board 2 motion, can be connected processing board 2 with one section of belt to the motor is when driving belt rotation, and processing board 2 alright follow the belt motion.
Referring to fig. 1, the non-contact laser soldering machine further includes a solder feeding device and a laser soldering device 5; the second support arm 32 of the frame 3 is provided with a connecting piece 4, and the connecting way of the connecting piece 4 and the second support arm 32 is the same as that of the processing plate 2 and the workbench 1. The tin feeding device is used for conveying the tin wires to the soldering points, and the soldering points are positions where the devices to be soldered need to be soldered. Laser soldering device 5 includes laser generator 51, laser box 52 and laser soldering tin head 53, and laser emitter's output is connected with laser box 52, and laser box 52 indirectly sets up on connecting piece 4, is equipped with the focusing lens that is used for the focus in the laser box 52, and laser box 52's output is connected with laser soldering tin head 53, and laser soldering tin head 53 is located the lower extreme of laser box 52. Laser box 52 shines the tin line to the soldering tin point through laser soldering tin head 53 behind the laser focus that laser generator 51 produced to the tin line of soldering tin point melts and realizes the welding, because laser can not the direct contact waits to weld the device at this in-process, just shines laser and welds at the soldering tin point, and difficult production mechanical stress or thermal stress lead to the part to shift during the event welding, so this non-contact laser soldering tin machine has effectively reduced the aversion of part when welding.
Regarding the specific connection mode between the laser box 52 and the connection element 4, referring to fig. 2, the non-contact laser soldering machine further includes a driving mechanism 9, the driving mechanism 9 includes a mounting plate 91, a connection plate 92 and a rotary hydraulic cylinder 93, the mounting plate 91 is fixedly connected with the connection element 4, and the fixed connection mode may be a bolt connection. The rotary hydraulic cylinder 93 is fixedly connected with the mounting plate 91, an output shaft of the rotary hydraulic cylinder 93 penetrates through the mounting plate 91 to be connected with the connecting plate 92 in a welding mode, and the laser box 52 is connected with the connecting plate 92 through bolts. Treat and to have different solder points on the welding device, rotatory hydraulic cylinder 93 can drive connecting plate 92 and rotate for mounting panel 91, thereby set up laser box 52 on connecting plate 92 and can drive laser soldering tin head 53 and rotate, thereby laser soldering tin head 53 can treat different solder points on the welding device and weld, the event can make laser soldering tin head 53 weld different solder points under treating the unmovable condition of welding device, the soldering tin scope of laser soldering tin head 53 is wide, treat the difficult skew of part on the welding device simultaneously.
Referring back to fig. 1, the tin feeding device comprises a tin placing frame 6, a tin breaking mechanism 7 and a tin guiding mechanism 8; the tin placing frame 6 is used for placing a tin wire and conveying the tin wire to the tin breaking mechanism 7; the tin breaking mechanism 7 is used for processing a tin wire; the tin guiding mechanism 8 is used for guiding the tin wire so that one end of the tin wire, which is far away from the tin breaking mechanism 7, is positioned at a tin soldering point. The specific structures of the tin placing frame 6, the tin breaking mechanism 7 and the tin guiding mechanism 8 will be described below.
Regarding the specific arrangement of the tin placing frame 6, referring to fig. 3 and 4, the tin placing frame 6 includes a mounting block 61, a tin placing roller 62, a rotating sleeve 63, a first positioning sleeve 64 and a second positioning sleeve 65, the mounting block 61 is connected with a connecting plate 92 by a bolt, one end of the tin placing roller 62 is connected with the mounting block 61, and the other end of the tin placing roller 62 is used for the second positioning sleeve 65 to be sleeved. The rotating sleeve 63 is sleeved outside the tin placing roller 62 and can rotate relative to the tin placing roller 62, namely, the rotating sleeve 63 is provided with a channel for the tin placing roller 62 to penetrate through, the first positioning sleeve 64 is fixedly connected with the rotating sleeve 63, the first positioning sleeve 64 is close to the mounting block 61, and the first positioning sleeve 64 and the rotating sleeve 63 can be integrally formed in a connecting mode. The second positioning sleeve 65 can be sleeved in or pulled out of the tin placing roller 62, namely, the second positioning sleeve 65 is provided with a hole for inserting the tin placing roller 62. The second positioning sleeve 65 is used for forming a tin placing space 67 used for placing a tin wire coil with the first positioning sleeve 64 when the tin placing roller 62 is sleeved in the second positioning sleeve 65, and when the tin wire coil is sleeved on the tin placing roller 62 of the tin placing space 67, the first positioning sleeve 64 and the second positioning sleeve 65 are respectively positioned at two ends of the tin wire coil, so that the tin wire coil is not prone to deviation when being fed.
Referring to fig. 4, the tin placing frame 6 further comprises a limiting component 66, and the limiting component 66 is used for limiting the second positioning sleeve 65 so as to keep the second positioning sleeve 65 at a position sleeved on the tin placing roller 62. The limiting assembly 66 comprises a shell 661, a pressing piece 662 and a clamping elastic sheet 663, the shell 661 is provided with a mounting hole 664 for the tin roller 62 to pass through, and the diameter of the mounting hole 664 is larger than that of the tin roller 62, so that the tin roller 62 can pass through the mounting hole 664. The clamping elastic sheet 663 is arranged inside the shell 661, a connecting hole 665 is arranged on the shell 661, the pressing piece 662 is connected with the clamping elastic sheet 663 through the connecting hole 665, and the specific connection mode of the pressing piece 662 and the clamping elastic sheet 663 can be integrated. The clamping elastic sheet 663 is provided with a clamping hole 666 through which the tin roller 62 passes, and the aperture of the clamping hole 666 is larger than that of the mounting hole 664. When the clamping elastic sheet 663 moves to the first position, the central axis of the clamping hole 666 and the length axis of the tin placing roller 62 form an acute angle, and the hole wall of the clamping hole 666 abuts against the tin placing roller 62 to enable the clamping elastic sheet 663 and the tin placing roller 62 to be relatively fixed, when the hole wall of the clamping hole 666 abuts against the tin placing roller 62, the friction force between the hole wall of the clamping hole 666 and the tin placing roller 62 can enable the clamping elastic sheet 663 to be difficult to move relative to the tin placing roller 62, and therefore the clamping elastic sheet 663 can be relatively fixed with the tin placing roller 62. When the clamping elastic sheet 663 moves to the second position, the central axis of the clamping hole 666 is perpendicular to the length axis of the tin roller 62, and the clamping hole 666 is overlapped with the mounting hole 664, so that the tin roller 62 can be pulled out from the clamping hole 666 and the mounting hole 664. The clamping elastic sheet 663 is located at a first position in a natural state, and the pressing piece 662 is used for being pressed to drive the clamping elastic sheet 663 to move to a second position.
When the limiting component 66 is needed to position the second positioning sleeve 65, the pressing member 662 is manually pressed to enable the clamping elastic sheet 663 to move to the second position, at the moment, the clamping hole 666 is overlapped with the mounting hole 664, then the tin placing roller 62 is inserted into the clamping hole 666 and the mounting hole 664, when the shell 661 is in contact with the second positioning sleeve 65, the pressing of the pressing member 662 is released, at the moment, the clamping elastic sheet 663 returns to the first position under the action of self elasticity, at the moment, the hole wall of the clamping hole 666 abuts against the tin placing roller 62 to enable the clamping elastic sheet 663 and the tin placing roller 62 to be relatively fixed, as the clamping elastic sheet 663 is arranged inside the shell 661, the shell 661 can also be relatively fixed with the tin placing roller 62 at the moment, the second positioning sleeve 65 is blocked by the shell 661 at the moment, so that the second positioning sleeve 65 cannot be separated from the tin placing roller 62, and the limiting component 66 limits the second positioning sleeve 65 in this way.
Regarding the specific arrangement of the tin breaking mechanism 7, referring to fig. 3 and 5, the tin breaking mechanism 7 includes a tin breaking box 71 and a power member 72, the tin breaking box 71 is connected with a connecting plate 92 by bolts, the tin breaking box 71 has a tin inlet pipe 73 and a tin outlet pipe 74, and the tin inlet pipe 73 and the tin outlet pipe 74 are respectively arranged at two opposite ends of the tin breaking box 71 and are both communicated with the inside of the tin breaking box 71. The tin inlet pipe 73 is used for receiving a tin wire transmitted by the tin placing rack 6, and the tin outlet pipe 74 is used for allowing the tin wire to pass out of the tin breaking box 71. The tin breaking box 71 is provided with a tin breaking knife wheel 75 and a guide wheel 76 which are opposite, the power part 72 is used for driving the tin breaking knife wheel 75 to rotate, and the power part 72 can be a motor. A space for the tin wire to pass through is formed between the tin breaking knife flywheel 75 and the guide flywheel 76, the tin breaking knife flywheel 75 is provided with an annular blade 77, a knife-shaped gear 78 is coaxially arranged on the annular blade 77, and an annular groove 79 for containing the tin wire is arranged on the guide flywheel 76. The tin wire can follow into tin-breaking box 71 inside tin-breaking pipe 73 gets into, then power part 72 drives tin-breaking knife flywheel 75 and rotates, annular blade 77 can support the tin wire to press the cell wall to annular groove 79 this moment, annular blade 77 can break tin to the tin wire simultaneously, and can drive the motion of tin wire when rotating, sword form gear 78 can follow annular blade 77 and rotate, sword form gear 78 can extrude the aperture on the tin wire when rotating, thereby the scaling powder can gasify when heating when welding the tin wire after breaking tin, spill over in the hole, the solderability and the mobility of reinforcing tin wire, prevent the production of "tin explosion" phenomenon.
Preferably, referring to fig. 3 and 5, the tin breaking mechanism 7 further includes a knob 710, and the knob 710 penetrates through the tin breaking box 71 and is fixedly connected with the center of the tin breaking knife wheel 75, and the connection mode may be a snap connection. When an operator needs to manually perform welding tests on some devices, the operator can manually rotate the knob 710 to adjust the discharging of the tin wires, and the operator is convenient to use. In addition, the tin breaking box 71 is also provided with an encoder 711 and an auxiliary wheel 712 which are opposite, the encoder 711 and the auxiliary wheel 712 are positioned between the tin breaking cutter wheel 75 and the tin outlet pipe 74, a space for a tin wire to pass through is formed between the encoder 711 and the auxiliary wheel 712, the tin wire is broken by the tin breaking cutter wheel 75 and then is transmitted between the encoder 711 and the auxiliary wheel 712, at the moment, the encoder 711 and the auxiliary wheel 712 can transmit the tin wire to the tin outlet pipe 74 when rotating, the encoder 711 can detect the displacement of the tin wire and convert the displacement into an electric signal, and transmit the electric signal to the power element 72, when the encoder 711 does not detect the solder wire, it indicates that the solder wire is not in the transmitting state, and the encoder 711 will alarm, when the encoder 711 detects the transmission of the solder wire, the power member 72 feeds back the transmission amount of the solder wire detected by the encoder 711, and accordingly, the rotation speed of the output shaft can be adjusted, so that the solder wire can be stably transmitted.
With regard to the specific arrangement of the tin guide mechanism 8, referring to fig. 6, the tin guide mechanism 8 includes a mounting seat 81, a tin guide tube 82, a first link 83, a second link 84, and an adjusting block 85, and the mounting seat 81 and the laser box 52 are connected by a bolt. A plurality of first fixing holes 86 are formed in the mounting seat 81, the first fixing holes 86 are arranged along an arc shape, a connecting groove 87 for the mounting seat 81 to penetrate through is formed in the adjusting block 85, and a second fixing hole 88 communicated with the connecting groove 87 is formed in the adjusting block 85; when the laser box is installed, the second fixing hole 88 is opposite to the first fixing hole 86 of the installation seat 81, and then the bolt is used to pass through the second fixing hole 88, the first fixing hole 86 and the laser box 52 in sequence, so that the adjusting block 85 is kept fixed relative to the installation seat 81. First connecting rod 83 and regulating block 85 fixed connection, the fixed connection mode can be the joint, second connecting rod 84 goes up to rotate and is provided with first plug connector 89 and second plug connector 810, first plug connector 89 and second plug connector 810 are the same with the connected mode of second connecting rod 84, take first plug connector 89 as the example below to explain, be equipped with pivot 811 on first plug connector 89, be equipped with commentaries on classics hole 812 on second connecting rod 84, pivot 811 inserts commentaries on classics hole 812, and can rotate for commentaries on classics hole 812, thereby first plug connector 89 alright rotate for second connecting rod 84. The first plug connector 89 is provided with a plug-in groove 813, the first connecting rod 83 is inserted into the plug-in groove 813 and keeps relatively fixed with the first plug connector 89 when being inserted, the second plug connector 810 is provided with a plug-in channel 814, and the tin guide tube 82 penetrates through the plug-in channel 814 and keeps relatively fixed with the second plug connector 810 when penetrating. Can press the length direction motion of lead tin pipe 82 when the tin line passes in from lead tin pipe 82 to lead tin pipe 82 has realized leading the tin line, and lead the export of tin pipe 82 towards the soldering tin point, thereby can move to the soldering tin point from the export exhaust tin line of lead tin pipe 82.
The implementation principle of the non-contact laser soldering machine in the embodiment of the application is as follows: when soldering is needed, a device to be soldered is placed on the processing plate 2, then a tin wire coil is mounted on the tin placing roller 62, then the end of a tin wire on the tin wire coil is inserted into the tin tube 73, then the power piece 72 drives the tin breaking cutter wheel 75 to rotate, at the moment, the annular blade 77 presses the tin wire against the wall of the annular groove 79, meanwhile, the annular blade 77 breaks the tin wire and drives the tin wire to move when rotating, then the tin wire penetrates out of the tin outlet tube 74 and enters the tin guide tube 82, then the end of the tin wire penetrates out of the tin guide tube 82 and is positioned on a soldering point, meanwhile, the laser box 52 focuses laser generated by the laser generator 51 and irradiates the tin wire of the soldering point through the laser soldering tin head 53, so that soldering is realized by melting the tin wire of the soldering point, and the laser does not directly contact the device to be soldered in the process, and only irradiates the solder point with the laser, therefore, the displacement of the parts caused by mechanical stress or thermal stress is not easy to generate during welding, and the displacement of the parts during welding is effectively reduced by the non-contact laser soldering machine.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. The utility model provides a non-contact laser soldering tin machine which characterized in that: comprises a tin feeding device, a workbench (1), a laser tin soldering device (5), a frame (3) and a processing plate (2);
the frame (3) is arranged on the workbench (1), the processing plate (2) is used for placing a device to be processed, and the processing plate (2) is arranged on the workbench (1);
the laser soldering tin device is characterized in that a connecting piece (4) is arranged on the rack (3), the laser soldering tin device (5) comprises a laser generator (51), a laser box (52) and a laser soldering tin head (53), the output end of the laser generator is connected with the laser box (52), a focusing lens for focusing is arranged in the laser box (52), and the output end of the laser box (52) is connected with the laser soldering tin head (53);
the laser welding tin head (53) is arranged on the connecting piece (4);
the tin feeding device is arranged on the connecting piece (4) and is used for conveying the tin wires to the soldering points.
2. The non-contact laser soldering machine according to claim 1, characterized in that: the laser soldering tin head (53) is characterized by further comprising a driving mechanism (9), wherein the driving mechanism (9) is arranged on the rack (3), and the driving mechanism (9) is used for driving the laser soldering tin head (53) to rotate relative to the workbench (1).
3. The non-contact laser soldering machine according to claim 2, wherein: the driving mechanism (9) comprises a mounting plate (91), a connecting plate (92) and a rotary hydraulic cylinder (93), and the mounting plate (91) is fixedly connected with the connecting piece (4);
rotatory hydraulic cylinder (93) and mounting panel (91) fixed connection, the output shaft of rotatory hydraulic cylinder (93) pass mounting panel (91) with connecting plate (92) are connected, laser soldering tin head (53) set up on connecting plate (92).
4. The non-contact laser soldering machine according to any one of claims 1 to 3, wherein: the tin feeding device comprises a tin placing frame (6), a tin breaking mechanism (7) and a tin guiding mechanism (8);
the tin placing frame (6) is used for placing a tin wire and conveying the tin wire to the tin breaking mechanism (7); the tin breaking mechanism (7) is used for processing the tin wire; and the tin guide mechanism (8) is used for guiding the tin wire so that one end of the tin wire departing from the tin breaking mechanism (7) is positioned at a tin soldering point.
5. The non-contact laser soldering machine according to claim 4, wherein: the tin placing frame (6) comprises an installation block (61), a tin placing roller (62), a rotating sleeve (63), a first positioning sleeve (64), a second positioning sleeve (65) and a limiting assembly (66), the installation block (61) is arranged on the connecting piece (4), one end of the tin placing roller (62) is fixedly connected with the installation block (61), and the rotating sleeve (63) of the rotating sleeve (63) is arranged outside the tin placing roller (62);
the first positioning sleeve (64) is fixedly connected with the rotating sleeve (63), and the second positioning sleeve (65) can be sleeved in or pulled out of the tin placing roller (62);
the second positioning sleeve (65) is used for forming a tin placing space (67) for placing a tin wire coil with the first positioning sleeve (64) when the tin placing roller (62) is sleeved;
the limiting assembly (66) is used for limiting the second positioning sleeve (65) so that the second positioning sleeve (65) is kept at the position sleeved on the tin placing roller (62).
6. The non-contact laser soldering machine according to claim 5, wherein: the limiting assembly (66) comprises a shell (661), a pressing piece (662) and a clamping elastic sheet (663), the shell (661) is provided with a mounting hole (664) for a tin placing roller (62) to pass through, the diameter of the mounting hole (664) is larger than that of the tin placing roller (62), the clamping elastic sheet (663) is arranged inside the shell (661), the shell (661) is provided with a connecting hole (665), and the pressing piece (662) is connected with the clamping elastic sheet (663) through the connecting hole (665);
the clamping elastic sheet (663) is provided with a clamping hole (666) for the tin roller (62) to pass through, and the aperture of the clamping hole (666) is larger than that of the mounting hole (664); the clamping elastic sheet (663) is used for enabling the central axis of the clamping hole (666) to form an acute angle with the length axis of the tin placing roller (62) when the clamping elastic sheet (663) moves to the first position, and the hole wall of the clamping hole (666) is abutted against the tin placing roller (62) so that the clamping elastic sheet (663) and the tin placing roller (62) are kept relatively fixed;
the clamping elastic sheet (663) is used for enabling the central axis of the clamping hole (666) to be perpendicular to the length axis of the tin placing roller (62) when the clamping elastic sheet moves to the second position, and the clamping hole (666) is overlapped with the mounting hole (664);
the clamping elastic sheet (663) is located at a first position in a natural state, and the pressing piece (662) is used for being pressed to drive the clamping elastic sheet (663) to move to a second position.
7. The non-contact laser soldering machine according to claim 5 or 6, characterized in that: the tin breaking mechanism (7) comprises a tin breaking box (71) and a power piece (72), the tin breaking box (71) is connected with the laser box (52), the tin breaking box (71) is provided with a tin inlet pipe (73) and a tin outlet pipe (74), the tin inlet pipe (73) is used for receiving a tin wire transmitted by the tin placing frame (6), and the tin outlet pipe (74) is used for allowing the tin wire to penetrate out of the tin breaking box (71);
a tin breaking knife wheel (75) and a guide wheel (76) which are opposite to each other are arranged in the tin breaking box (71), a space for a tin wire to pass through is formed between the tin breaking knife wheel (75) and the guide wheel (76), an annular blade (77) is arranged on the tin breaking knife wheel (75), a knife-shaped gear (78) is coaxially arranged on the annular blade (77), and an annular groove (79) for containing the tin wire is arranged on the guide wheel (76);
the power piece (72) is used for driving the tin breaking cutter wheel (75) to rotate.
8. The non-contact laser soldering machine according to claim 7, wherein: the tin breaking mechanism (7) further comprises a knob (710), and the knob (710) penetrates through the tin breaking box (71) and is fixedly connected with the center of the tin breaking knife wheel (75).
9. The non-contact laser soldering machine according to claim 8, wherein: lead tin mechanism (8) including mount pad (81) and lead tin pipe (82), mount pad (81) set up on laser box (52), lead tin pipe (82) and rotate the setting and be in on mount pad (81), lead tin pipe (82) and be used for the direction of tin line so that the one end that the tin line deviates from tin breaking mechanism (7) is located the soldering tin point.
10. The non-contact laser soldering machine according to claim 9, wherein: the tin guide mechanism (8) further comprises a first connecting rod (83), a second connecting rod (84) and an adjusting block (85), a plurality of first fixing holes (86) are formed in the mounting base (81), the first fixing holes (86) are arrayed along the arc shape, a connecting groove (87) for the mounting base (81) to penetrate through is formed in the adjusting block (85), and a second fixing hole (88) communicated with the connecting groove (87) is formed in the adjusting block (85);
first connecting rod (83) and regulating block (85) fixed connection, it is provided with first plug connector (89) and second plug connector (810) to rotate on second connecting rod (84), be equipped with inserting groove (813) on first plug connector (89), first connecting rod (83) insert inserting groove (813), be equipped with grafting passageway (814) on second plug connector (810), lead tin pipe (82) and pass grafting passageway (814).
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| CN202010589613.9A CN111715959B (en) | 2020-06-24 | 2020-06-24 | Non-contact laser soldering machine |
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| CN202010589613.9A CN111715959B (en) | 2020-06-24 | 2020-06-24 | Non-contact laser soldering machine |
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| CN115609100A (en) * | 2022-12-20 | 2023-01-17 | 苏州奇达创机械有限公司 | Motor tin soldering equipment |
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| CN111715959B (en) | 2021-05-18 |
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