CN107824928B - Four-axis automatic tin welder - Google Patents
Four-axis automatic tin welder Download PDFInfo
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- CN107824928B CN107824928B CN201711227138.5A CN201711227138A CN107824928B CN 107824928 B CN107824928 B CN 107824928B CN 201711227138 A CN201711227138 A CN 201711227138A CN 107824928 B CN107824928 B CN 107824928B
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- toothed belt
- carriage
- welding gun
- synchronous toothed
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- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 title claims abstract description 14
- 230000007246 mechanism Effects 0.000 claims abstract description 98
- 230000005540 biological transmission Effects 0.000 claims abstract description 92
- 230000001360 synchronised effect Effects 0.000 claims abstract description 66
- 238000003466 welding Methods 0.000 claims abstract description 65
- 239000011159 matrix material Substances 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 3
- 238000005476 soldering Methods 0.000 abstract description 12
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- 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
- B23K3/04—Heating appliances
-
- 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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/02—Carriages for supporting the welding or cutting element
- B23K37/0252—Steering means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Manipulator (AREA)
- Resistance Welding (AREA)
Abstract
The invention discloses a four-axis automatic tin welding machine, which comprises a machine body, a pair of welding guns, a welding gun X-axis horizontal moving device, a welding gun Z-axis vertical moving device, a welding gun Z-axis rotating device, a workpiece Y-axis horizontal moving device and a workpiece positioning jig, wherein the welding gun X-axis horizontal moving device is vertically arranged at the outer side of an upper cross beam, the welding gun Z-axis vertical moving device is arranged on an X-axis moving carriage, the welding gun rotating device is arranged at the upper side of the welding gun Z-axis vertical moving device, and a pair of welding guns are symmetrically arranged at the lower side of the welding gun rotating device; the workpiece Y-axis horizontal moving device is arranged on the lower workbench, the workpiece positioning clamping fixture is fixed on the upper side of the Y-axis moving carriage, and the Y-axis moving carriage is connected with the Y-axis synchronous toothed belt transmission mechanism positioned on the lower side of the Y-axis moving carriage. The invention has compact structure, convenient use and four degrees of freedom, greatly reduces labor intensity, improves production efficiency and soldering quality, and reduces manufacturing cost of the power supply box.
Description
Technical Field
The invention relates to automatic tin soldering equipment, in particular to an automatic tin soldering machine which is used for automatic tin soldering of electronic components on a PCB in a power supply box and has four degrees of freedom, and belongs to the technical field of automatic tin soldering equipment.
Background
The power supply box is used as an external power supply of various electronic instruments, LED lamps, audio-visual equipment, computer and other electronic equipment, and an external alternating current power supply is converted into a required low-voltage direct current after being subjected to voltage reduction and rectification by a PCB (printed circuit board) in the power supply box and is output to various electric appliances. At present, various electronic components on a PCB in a power supply box are welded one by adopting a manual hand-held electric soldering iron, so that the work efficiency is low, the labor intensity of operators is high, the ambient temperature is high, the defects of cold joint, missing welding and the like are easy to occur, reworking is required after detection, and the soldering quality and the processing period of the power supply box are seriously affected.
Disclosure of Invention
The invention aims to provide a four-axis automatic tin welder which has a compact structure and can completely realize automatic tin welding, the automatic tin welding operation is used for replacing the manual tin welding operation, the production efficiency is improved, and the manufacturing cost is reduced.
The invention is realized by the following technical scheme:
a four-axis automatic tin welding machine comprises a machine body, a pair of welding guns, a welding gun X-axis horizontal moving device, a welding gun Z-axis vertical moving device, a welding gun Z-axis rotating device, a workpiece Y-axis horizontal moving device and a workpiece positioning mould, wherein the machine body is L-shaped and comprises an upper cross beam and a lower workbench, and two ends of the upper cross beam are respectively supported on two sides of the rear end of the lower workbench through vertical arms; the X-axis horizontal moving device of the welding gun comprises an X-axis moving carriage, an X-axis synchronous toothed belt transmission mechanism and an X-axis moving carriage guide mechanism, wherein the X-axis moving carriage in a right angle shape is vertically arranged at the outer side of an upper cross beam, the rear side of the upper part of the vertical plate of the X-axis moving carriage is connected with the X-axis synchronous toothed belt transmission mechanism, and the X-axis moving carriage guide mechanism is respectively and horizontally arranged at the upper side and the lower side of the X-axis synchronous toothed belt transmission mechanism; the welding gun Z-axis vertical movement device is arranged on the outer side of the X-axis movement carriage and comprises a screw rod rotation driving mechanism, a screw rod nut transmission mechanism and Z-axis vertical movement guiding mechanisms respectively positioned on two sides of the nut transmission mechanism; the welding gun turning device is arranged on the outer side of the welding gun Z-axis vertical moving device, and a pair of welding guns are symmetrically arranged on the lower side of the welding gun turning device; the workpiece Y-axis horizontal moving device is arranged in the lower workbench and comprises a Y-axis moving carriage, a Y-axis synchronous toothed belt transmission mechanism and Y-axis moving carriage guide mechanisms respectively positioned at two sides of the Y-axis moving carriage; the workpiece positioning mould is fixed on the upper side of the Y-axis movable carriage, and the Y-axis movable carriage is connected with a Y-axis synchronous toothed belt transmission mechanism positioned on the lower side of the Y-axis movable carriage.
The object of the invention can be further achieved by the following technical measures:
further, the plane of the X-axis synchronous toothed belt transmission mechanism is parallel to the vertical outer side face of the upper beam, the X-axis synchronous toothed belt transmission motor is vertically arranged on the rear side face of the upper beam, which is away from the X-axis movable carriage, one end of the upper beam is provided with the X-axis synchronous toothed belt transmission motor, the X-axis synchronous toothed belt transmission motor is connected with a first driving toothed wheel arranged in one end of the upper beam, the first driven toothed wheel is supported in the other end of the upper beam, an upper clamping plate seat is fixed on the middle part of the rear side face of the vertical plate of the X-axis movable carriage through a transition frame, and the upper clamping plate seat clamps the tight edge of the X-axis synchronous toothed belt up and down, so that the X-axis movable carriage is fixed on the tight edge of the X-axis synchronous toothed belt; the X-axis synchronous toothed belt surrounds the first active toothed wheel and the first passive toothed wheel.
Further, the Y-axis synchronous toothed belt transmission mechanism is arranged in the central countersink of the lower workbench and is parallel to the upper side surface of the lower workbench, and the longitudinal central line A-A of the Y-axis synchronous toothed belt transmission mechanism is perpendicular to the longitudinal central line B-B of the lower workbench; the Y-axis synchronous toothed belt transmission motor of the Y-axis synchronous toothed belt transmission mechanism is vertically arranged on the back surface of the central sinking groove, the Y-axis synchronous toothed belt transmission motor is fixedly connected with a second driving toothed wheel arranged at one end of the central sinking groove, a second driven toothed wheel is supported in the other end of the central sinking groove, an X-axis movable carriage lower clamping plate seat fixed at the lower side of the Y-axis movable carriage is clamped and fixed on the tight edge of the Y-axis synchronous toothed belt, and the Y-axis synchronous toothed belt surrounds the second driving toothed wheel and the second driven toothed wheel.
Further, the upper transverse plate is horizontally fixed on the top end of the vertical plate of the X-axis movable carriage, a transmission motor of the screw rod rotary driving mechanism is fixed on the lower side of one end of the upper transverse plate, an output shaft of the transmission motor of the screw rod rotary driving mechanism penetrates through one end of the upper transverse plate and is fixedly connected with a third driving toothed wheel, a third driven toothed wheel is supported on the other end of the upper side of the upper transverse plate, and a screw rod rotary synchronous toothed belt surrounds the third driving toothed wheel and the third driven toothed wheel.
Further, the screw-nut transmission mechanism comprises a screw rod, a transmission nut and a transmission nut seat, wherein the screw rod is vertically supported on a horizontal plate at the inner side of the X-axis movable carriage, the upper end of the screw rod penetrates out of the upper transverse plate and is fixedly connected with a third passive toothed wheel, the transmission nut is fixed in the transmission nut seat, and the screw rod and the transmission nut are screwed.
Further, the welding gun rotating device is arranged at the front side of the screw nut transmission mechanism and comprises a Z-axis rotating driving motor, a supporting seat, a Z-axis rotating rod and a horizontal rod, wherein the supporting seat is fixed at the front side of the transmission nut seat, the rotating driving motor is vertically fixed at the upper side of the supporting seat, the rotating driving motor is connected with the upper end of the rotating rod through a coupler arranged in the supporting seat, and the middle part of the Z-axis rotating rod is supported in the rotating supporting seat at the upper side of a vertical plate of the X-axis moving carriage and is in clearance fit with a rotating sleeve in the rotating supporting seat; the lower end of the Z-axis rotary rod is fixedly connected with the middle part of the horizontal rod, and the upper ends of a pair of welding guns are respectively fixedly connected with the ends of the two ends of the corresponding horizontal rod.
Further, the X-axis moving carriage guide mechanism, the Z-axis vertical moving guide mechanism and the workpiece Y-axis moving carriage guide mechanism all adopt linear guide rails composed of sliding blocks and guide rail bodies; the sliding blocks of the X-axis movable carriage guide mechanism are respectively fixed on the upper side and the lower side of the rear side of the vertical plate of the X-axis movable carriage and respectively buckled on the corresponding guide rail bodies of the X-axis movable carriage guide mechanism, and the guide rail bodies of the X-axis movable carriage guide mechanism are respectively horizontally fixed on the bottom plate at the inner side of the upper cross beam; the guide rail bodies of the Z-axis vertical movement guide mechanism are respectively and vertically fixed on two sides of a vertical plate of the X-axis movement carriage on two sides of the transmission nut seat, and the slide blocks of the Z-axis vertical movement guide mechanism are fixed on the inner side surface of the transmission nut seat and are respectively buckled on the guide rail bodies of the corresponding Z-axis vertical movement guide mechanism; the Y-axis synchronous toothed belt driving mechanism sliding blocks of the workpiece are respectively fixed on two sides of the lower side surface of the Y-axis movable carriage and respectively buckled on the corresponding guide rail bodies of the Z-axis vertical movement guiding mechanism, and the guide rail bodies of the Y-axis movable carriage are respectively fixed on two sides of the bottom of the central sinking groove.
Further, the X-axis synchronous toothed belt transmission motor, the Y-axis synchronous toothed belt transmission motor, the screw rod rotation driving mechanism transmission motor and the Z-axis rotation driving motor are all stepping motors.
Further, the workpiece positioning clamping fixture is cuboid, the upper sides of the workpiece positioning clamping fixtures are uniformly distributed into workpiece positioning grooves in matrix arrangement, and workpieces to be soldered are embedded into the workpiece positioning grooves; the two ends of the lower side of the workpiece positioning mould are fixedly connected with the two ends of the Y-axis movable carriage below the workpiece positioning mould.
The invention has compact structure and convenient use. Through the welding gun X-axis horizontal moving device, the welding gun Z-axis vertical moving device and the welding gun Z-axis rotating device which are arranged on the upper cross beam, a pair of welding guns can horizontally move along the X-axis, vertically move along the Z-axis and rotate around the Z-axis, and a workpiece can horizontally move along the Y-axis on the lower workbench through the workpiece positioning clamping fixture, so that the welding gun has four degrees of freedom. According to the invention, through the program control of the PLC, a pair of welding guns can perform automatic welding on electronic elements on PCB boards in dozens of power boxes in the workpiece positioning mould in a mode of simultaneously performing welding on two groups, and an operator only needs to press a button to operate, so that the labor intensity is greatly reduced, the production efficiency and the welding quality are improved, and the manufacturing cost of the power boxes is reduced.
Advantages and features of the invention will be illustrated and explained by the following non-limiting description of preferred embodiments, given by way of example only with reference to the accompanying drawings.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a top view of FIG. 2;
FIG. 4 is a left side view of FIG. 2;
FIG. 5 is an enlarged view of section I of FIG. 4;
fig. 6 is an enlarged view of section ii of fig. 4.
Detailed Description
The invention is further described with reference to the accompanying drawings and embodiments of automatic soldering of a PCB in a lower case of a power box.
As shown in fig. 1 to 6, the present embodiment includes a main body 1, a pair of welding guns 2, a welding gun X-axis horizontal moving device 3, a welding gun Z-axis vertical moving device 4, a welding gun Z-axis turning device 5, a workpiece Y-axis horizontal moving device 6, and a workpiece positioning jig 7, the main body 1 is L-shaped, and includes an upper cross member 11 and a lower table 12, and both ends of the upper cross member 11 are supported on both sides of the rear end of the lower table 12 through vertical arms 13, respectively.
The X-axis horizontal moving device 3 of the welding gun comprises an X-axis moving carriage 31, an X-axis synchronous toothed belt transmission mechanism 32 and an X-axis moving carriage guide mechanism 33, wherein the X-axis moving carriage 31 is in a right angle shape, is vertically arranged outside the upper cross beam 11, the rear side of the upper part of a vertical plate 311 of the X-axis moving carriage 31 is connected with the X-axis synchronous toothed belt transmission mechanism 32, and the X-axis moving carriage guide mechanism 33 is respectively and horizontally arranged on the upper side and the lower side of the X-axis synchronous toothed belt transmission mechanism 32.
As shown in fig. 2 and 5, the plane of the X-axis synchronous toothed belt transmission mechanism 32 is parallel to the vertical outer side surface of the upper beam 11, the X-axis synchronous toothed belt transmission motor 321 is vertically arranged on the rear side surface of one end of the upper beam 11, which is away from the X-axis movable carriage 31, the output shaft of the X-axis synchronous toothed belt transmission motor 321 is fixedly connected with the first driving toothed wheel 322 arranged in one end of the upper beam 11, the first driven toothed wheel 323 is supported in the right end of the upper beam 11, the upper clamping plate seat 324 is fixed on the middle part of the rear side surface of the vertical plate 311 of the X-axis movable carriage 31 through the transition frame 325, and the upper clamping plate seat 324 clamps the tight edge of the X-axis synchronous toothed belt 326 up and down, so that the X-axis movable carriage 31 is fixed on the tight edge of the X-axis synchronous toothed belt 326. An X-axis timing toothed belt 326 encircles the first active toothed wheel 322 and the first passive toothed wheel 323.
As shown in fig. 5, the welding gun Z-axis vertical movement device 4 is provided outside the X-axis movement carriage 31, and includes a screw-rotation driving mechanism 41, a screw-nut transmission mechanism 42, and Z-axis vertical movement guide mechanisms 43 located on both sides of the nut transmission mechanism 42, respectively. The welding torch turning device 5 is arranged outside the welding torch Z-axis vertical movement device 4, and a pair of welding torches 2 are symmetrically arranged below the welding torch turning device 5.
As shown in fig. 3 and 6, the workpiece Y-axis horizontal moving device 6 is provided in the lower table 12, and includes a Y-axis moving carriage 61, a Y-axis synchronous toothed belt transmission mechanism 62, and workpiece Y-axis moving carriage guide mechanisms 63 respectively located on both sides of the Y-axis moving carriage 61.
As shown in fig. 5, the upper transverse plate 313 is horizontally fixed on the top end of the vertical plate 311 of the X-axis moving carriage 31, the screw rotary driving mechanism transmission motor 411 is fixed on the lower side of the left end of the upper transverse plate 313, the output shaft of the screw rotary driving mechanism transmission motor passes through one end of the upper transverse plate 313 and is fixedly connected with the third driving toothed wheel 412, the third driven toothed wheel 413 of the screw rotary driving mechanism 41 is supported on the right end of the upper side of the upper transverse plate 313, and the screw rotary synchronous toothed belt 414 surrounds the third driving toothed wheel 411 and the third driven toothed wheel 413.
The screw-nut transmission mechanism 42 comprises a screw 421, a transmission nut 422 and a transmission nut seat 423, the screw 421 is vertically supported on the horizontal plate 312 at the inner side of the X-axis moving carriage 31, the upper end of the screw 421 penetrates out of the upper transverse plate 313 and is fixedly connected with the third driven toothed wheel 412, the transmission nut 422 is fixed in the transmission nut seat 423, and the screw 421 and the transmission nut 422 are screwed.
As shown in fig. 2 and 5, the welding gun turning device 5 is arranged at the front side of the screw-nut transmission mechanism 42, and comprises a Z-axis turning driving motor 51, a supporting seat 52, a Z-axis turning rod 53, a coupler 54 and a horizontal rod 56, wherein the supporting seat 52 is fixed at the front side of the transmission nut seat 423, the Z-axis turning driving motor 51 is vertically fixed at the upper side of the supporting seat 52, the Z-axis turning driving motor 51 is connected with the upper end of the Z-axis turning rod 53 through the coupler 54 arranged in the supporting seat 52, the middle part of the Z-axis turning rod 53 is supported in a turning supporting seat 55 at the upper part of a vertical plate 311 of the X-axis moving carriage 31, and is in clearance fit with a turning sleeve 551 in the turning supporting seat 55, the lower end of the Z-axis turning rod 53 is fixedly connected with the middle part of the horizontal rod 56, and the upper ends of a pair of welding guns 2 are respectively fixedly connected with the two ends of the corresponding horizontal rod 56. The clearance fit between the Z-axis rotating rod 53 and the rotating sleeve 551 plays a role in guiding the up-and-down movement of the transmission nut seat 423, and the accuracy of up-and-down movement of the pair of welding guns 2 is improved by matching with the Z-axis vertical movement guiding mechanism 43.
As shown in fig. 6, the workpiece Y-axis horizontal moving device 6 is provided in the lower table 12, and includes a Y-axis moving carriage 61, a Y-axis synchronous toothed belt transmission mechanism 62, and Y-axis moving carriage guide mechanisms 63 located on both sides of the Y-axis moving carriage 61, respectively.
The work positioning jig 7 is fixed to the upper side of the Y-axis moving carriage 61. The Y-axis timing toothed belt drive 62 is disposed in the center recess 121 of the lower table 12 and parallel to the upper side of the lower table 12, with the Y-axis timing toothed belt drive longitudinal centerline A-A being perpendicular to the lower table longitudinal centerline B-B. The Y-axis synchronous toothed belt transmission motor 621 of the Y-axis synchronous toothed belt transmission mechanism 62 is vertically arranged on the back surface of the central sinking groove 121, the Y-axis synchronous toothed belt transmission motor 621 is fixedly connected with the second driving toothed wheel 622 arranged at the left end of the central sinking groove 121, the second driven toothed wheel 623 is supported in the left end of the central sinking groove 121, the lower clamping plate seat 624 of the X-axis movable carriage fixed on the lower side of the Y-axis movable carriage 621 is clamped and fixed on the tight edge of the Y-axis synchronous toothed belt 625, and the Y-axis synchronous toothed belt 625 surrounds the second driving toothed wheel 622 and the second driven toothed wheel 623.
As shown in fig. 1 and 2, the workpiece positioning mold 7 is a cuboid, 20 workpiece positioning grooves 71 are uniformly distributed on the upper side of the workpiece positioning mold 7 in a matrix arrangement, and the lower box bodies 20 of 20 power boxes to be soldered can be embedded into the workpiece positioning grooves 71 at a time, so that the soldering efficiency is improved. The two ends of the lower side of the workpiece positioning mould 7 are fixedly connected with the two ends of the Y-axis movable carriage 61 at the lower side thereof through a plurality of fastening screws.
The X-axis moving carriage guide mechanism 33, the Z-axis vertical moving guide mechanism 43 and the workpiece Y-axis moving carriage guide mechanism 63 are linear guide rails composed of slide blocks and guide rail bodies, and the X-axis moving carriage guide mechanism slide blocks 331 are respectively fixed on the upper side and the lower side of the rear side face of the vertical plate 311 of the X-axis moving carriage 31 and respectively buckled on the corresponding X-axis moving carriage guide mechanism guide rail bodies 332, and the X-axis moving carriage guide rail bodies 332 are respectively horizontally fixed on the bottom plate 312 on the inner side of the upper cross beam 11. The Z-axis vertical movement guide mechanism guide rail bodies 432 are respectively and vertically fixed on the two sides of the vertical plate 311 of the X-axis movement carriage 31 on the two sides of the transmission nut seat 423, the Z-axis vertical movement guide mechanism slide blocks 431 are respectively and fixedly fastened on the corresponding Z-axis vertical movement guide mechanism guide rail bodies 432, the workpiece Y-axis synchronous toothed belt transmission mechanism slide blocks 631 are respectively and fixedly fastened on the two sides of the lower side of the Y-axis movement carriage 61 and respectively fastened on the corresponding Z-axis vertical movement guide mechanism guide rail bodies 632, and the Y-axis movement carriage guide mechanism guide rail bodies 632 are respectively and fixedly fastened on the two sides of the bottom of the central sink 121.
The X-axis synchronous toothed belt transmission motor 321, the Y-axis synchronous toothed belt transmission motor 621, the screw rod rotation driving mechanism transmission motor 411 and the Z-axis rotation driving motor 51 are all stepping motors. The rotating speed of the stepping motor can be controlled by controlling the pulse frequency, so that the purpose of speed regulation is achieved. Under the program control of the PLC, the X-axis synchronous toothed belt transmission motor 321, the screw rod rotary driving mechanism transmission motor 411, the Y-axis synchronous toothed belt transmission motor 621 and the Z-axis rotary driving motor 51 can respectively rotate at the required speed, a pair of welding guns 2 can move left and right along the X-axis, move up and down along the Z-axis and rotate around the Z-axis in a three-dimensional coordinate system, and the workpiece positioning clamping fixture 7 moves back and forth along the Y-axis at the required speed under the driving of the Y-axis synchronous toothed belt transmission motor 621, so that the pair of welding guns 2 can rapidly and accurately move to the designated position to solder electronic components on a PCB (printed circuit board) in a lower box body 20 to be soldered in the workpiece positioning clamping fixture 7. After the soldering of the first lower box body 20 is completed, a pair of welding guns 2 rapidly and accurately move and align with the PCB in the soldering part of the second lower box body 20, and the soldering of all the lower box bodies 20 in the workpiece positioning mould 7 is rapidly and accurately completed one by one.
In addition to the above embodiments, other embodiments of the present invention are possible, and all technical solutions formed by equivalent substitution or equivalent transformation are within the scope of the present invention.
Claims (2)
1. The four-axis automatic tin welding machine is characterized by comprising a machine body, a pair of welding guns, a welding gun X-axis horizontal moving device, a welding gun Z-axis vertical moving device, a welding gun Z-axis rotating device, a workpiece Y-axis horizontal moving device and a workpiece positioning mould, wherein the machine body is L-shaped and comprises an upper cross beam and a lower workbench, and two ends of the upper cross beam are respectively supported on two sides of the rear end of the lower workbench through vertical arms; the X-axis horizontal moving device of the welding gun comprises an X-axis moving carriage, an X-axis synchronous toothed belt transmission mechanism and an X-axis moving carriage guide mechanism, wherein the X-axis moving carriage in a right angle shape is vertically arranged at the outer side of an upper cross beam, the rear side of the upper part of the vertical plate of the X-axis moving carriage is connected with the X-axis synchronous toothed belt transmission mechanism, and the X-axis moving carriage guide mechanism is respectively and horizontally arranged at the upper side and the lower side of the X-axis synchronous toothed belt transmission mechanism; the welding gun Z-axis vertical movement device is arranged on the outer side of the X-axis movement carriage and comprises a screw rod rotation driving mechanism, a screw rod nut transmission mechanism and Z-axis vertical movement guiding mechanisms respectively positioned on two sides of the nut transmission mechanism; the welding gun turning device is arranged on the outer side of the welding gun Z-axis vertical moving device, and a pair of welding guns are symmetrically arranged on the lower side of the welding gun turning device; the workpiece Y-axis horizontal moving device is arranged in the lower workbench and comprises a Y-axis moving carriage, a Y-axis synchronous toothed belt transmission mechanism and Y-axis moving carriage guide mechanisms respectively positioned at two sides of the Y-axis moving carriage; the workpiece positioning mould is fixed on the upper side of the Y-axis movable carriage, and the Y-axis movable carriage is connected with a Y-axis synchronous toothed belt transmission mechanism positioned on the lower side of the Y-axis movable carriage; the plane of the X-axis synchronous toothed belt transmission mechanism is parallel to the vertical outer side surface of the upper beam, the X-axis synchronous toothed belt transmission motor is vertically arranged on the rear side surface of the upper beam, which is away from the X-axis movable carriage, one end of the upper beam is provided with a first driving toothed wheel, the X-axis synchronous toothed belt transmission motor is connected with a first driven toothed wheel, the first driven toothed wheel is supported in the other end of the upper beam, an upper clamping plate seat is fixed on the middle part of the rear side surface of the vertical plate of the X-axis movable carriage through a transition frame, and the upper clamping plate seat clamps the tight edge of the X-axis synchronous toothed belt up and down to fix the X-axis movable carriage on the tight edge of the X-axis synchronous toothed belt; the X-axis synchronous toothed belt surrounds the first driving toothed wheel and the first driven toothed wheel; the Y-axis synchronous toothed belt transmission mechanism is arranged in the central countersink of the lower workbench and is parallel to the upper side surface of the lower workbench, and the longitudinal central line A-A of the Y-axis synchronous toothed belt transmission mechanism is perpendicular to the longitudinal central line B-B of the lower workbench; the Y-axis synchronous toothed belt transmission motor of the Y-axis synchronous toothed belt transmission mechanism is vertically arranged on the back surface of the central sinking groove, the Y-axis synchronous toothed belt transmission motor is fixedly connected with a second driving toothed wheel arranged at one end of the central sinking groove, a second driven toothed wheel is supported in the other end of the central sinking groove, a lower clamping plate seat of the X-axis movable carriage fixed at the lower side of the Y-axis movable carriage is clamped and fixed on the tight edge of the Y-axis synchronous toothed belt, and the Y-axis synchronous toothed belt surrounds the second driving toothed wheel and the second driven toothed wheel; the upper transverse plate is horizontally fixed on the top end of the vertical plate of the X-axis movable carriage, a transmission motor of the screw rod rotary driving mechanism is fixed on the lower side of one end of the upper transverse plate, an output shaft of the transmission motor of the screw rod rotary driving mechanism penetrates through one end of the upper transverse plate and is fixedly connected with a third driving toothed wheel, a third driven toothed wheel is supported on the other end of the upper side of the upper transverse plate, and a screw rod rotary synchronous toothed belt surrounds the third driving toothed wheel and the third driven toothed wheel; the screw rod and nut transmission mechanism comprises a screw rod, a transmission nut and a transmission nut seat, wherein the screw rod is vertically supported on a horizontal plate at the inner side of the X-axis movable carriage, the upper end of the screw rod penetrates out of the upper transverse plate and is fixedly connected with a third passive tooth-shaped wheel, the transmission nut is fixed in the transmission nut seat, and the screw rod and the transmission nut are screwed; the welding gun rotating device is arranged at the front side of the screw nut transmission mechanism and comprises a Z-axis rotating driving motor, a supporting seat, a Z-axis rotating rod and a horizontal rod, wherein the supporting seat is fixed at the front side of the transmission nut seat; the X-axis moving carriage guide mechanism, the Z-axis vertical moving guide mechanism and the workpiece Y-axis moving carriage guide mechanism are all linear guide rails composed of sliding blocks and guide rail bodies; the sliding blocks of the X-axis movable carriage guide mechanism are respectively fixed on the upper side and the lower side of the rear side of the vertical plate of the X-axis movable carriage and respectively buckled on the corresponding guide rail bodies of the X-axis movable carriage guide mechanism, and the guide rail bodies of the X-axis movable carriage guide mechanism are respectively horizontally fixed on the bottom plate at the inner side of the upper cross beam; the guide rail bodies of the Z-axis vertical movement guide mechanism are respectively and vertically fixed on two sides of a vertical plate of the X-axis movement carriage on two sides of the transmission nut seat, and the slide blocks of the Z-axis vertical movement guide mechanism are fixed on the inner side surface of the transmission nut seat and are respectively buckled on the guide rail bodies of the corresponding Z-axis vertical movement guide mechanism; the Y-axis synchronous toothed belt driving mechanism sliding blocks of the workpiece are respectively fixed on two sides of the lower side surface of the Y-axis movable carriage and respectively buckled on the corresponding guide rail bodies of the Z-axis vertical movement guiding mechanism, and the guide rail bodies of the Y-axis movable carriage are respectively fixed on two sides of the bottom of the central sinking groove.
2. The four-axis automatic tin welder as in claim 1, wherein the workpiece positioning mould is cuboid, the upper sides of the workpiece positioning moulds are uniformly distributed into workpiece positioning grooves in matrix arrangement, and the workpieces to be soldered are embedded into the workpiece positioning grooves; the two ends of the lower side of the workpiece positioning mould are fixedly connected with the two ends of the Y-axis movable carriage below the workpiece positioning mould.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711227138.5A CN107824928B (en) | 2017-11-29 | 2017-11-29 | Four-axis automatic tin welder |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711227138.5A CN107824928B (en) | 2017-11-29 | 2017-11-29 | Four-axis automatic tin welder |
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| Publication Number | Publication Date |
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| CN107824928A CN107824928A (en) | 2018-03-23 |
| CN107824928B true CN107824928B (en) | 2023-09-26 |
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| CN201711227138.5A Active CN107824928B (en) | 2017-11-29 | 2017-11-29 | Four-axis automatic tin welder |
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| CN111857047B (en) * | 2020-06-15 | 2021-11-12 | 广东长盈精密技术有限公司 | Four-axis linkage machining method and device, computer equipment and storage medium |
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