An automatic soldering machine

Abstract

The present invention relates to the technical field of soldering machines, and proposes an automatic soldering machine, comprising a welding machine housing with a working chamber and a welding workbench, a welding head assembly, and an automatic wire feeding assembly. The automatic wire feeding assembly comprises a wire feeding bracket, a wire feeding drive wheel assembly arranged on the wire feeding bracket, and a wire breaking prevention detection unit. The wire feeding drive wheel assembly has a gap for allowing the welding wire to pass through. The wire breaking prevention detection unit comprises a wire feeding anti-breaking assembly arranged on the wire feeding side of the wire feeding drive wheel assembly. The wire feeding anti-breaking assembly comprises a first anti-breaking base and a first elastic switch arranged on the first anti-breaking base. The first anti-breaking base has a wire threading hole and a detection groove. The elastic detection head of the first elastic switch extends into the detection groove. The portion of the welding wire that passes through the wire threading hole and is located in the detection groove abuts against the elastic detection head of the first elastic switch to detect whether the welding wire is broken. Through the above technical solution, the problem of untimely detection of wire breakage in the automatic soldering machine in the prior art is solved.

Description

Technical Field

[0001] The present invention relates to the technical field of soldering machines, and in particular to an automatic soldering machine. Background Art

[0002] Automatic soldering machine, as the name suggests, is an automated soldering equipment, which mainly completes the soldering operation by using the wire feeding mechanism and the welding mechanism movement function. The core part of the automatic soldering machine is the soldering system, which is mainly composed of an automatic wire feeding mechanism, a welding mechanism and other components.

[0003] In the existing technology, during the operation of the soldering machine, the automatic wire feeding mechanism may cause the welding wire to break due to operational reasons, mechanical failure or human reasons. The soldering equipment currently circulating on the market also has a welding wire break detection device, but the detection effect is not ideal. It often takes a period of time after the solder is broken to detect it. Therefore, there are certain limitations. Based on the above problems, a new automatic soldering machine is urgently needed. Summary of the Invention

[0004] The present invention provides an automatic soldering machine, which solves the problem in the prior art that the automatic soldering machine cannot detect the breakage of the soldering wire in a timely manner.

[0005] The technical solutions of the present invention are as follows:

[0006] An automatic soldering machine comprises a welding housing with a working chamber and a welding workbench, a welding head assembly and an automatic wire feeding assembly arranged in the working chamber, the automatic wire feeding assembly comprises a wire feeding bracket and a wire feeding drive wheel group and a wire breaking prevention detection unit arranged on the wire feeding bracket, the wire feeding drive wheel group has a gap for allowing the welding wire to pass through, the wire breaking prevention detection unit comprises a wire feeding anti-breaking assembly arranged on the wire feeding side of the wire feeding drive wheel group, the wire feeding anti-breaking assembly comprises a first anti-breaking base and a first elastic switch arranged on the first anti-breaking base, the first anti-breaking base has a wire threading hole and a detection groove, the elastic detection head of the first elastic switch extends into the detection groove, and the welding wire passes through the wire threading hole and the part located in the detection groove abuts against the elastic detection head of the first elastic switch to detect whether the welding wire is broken.

[0007] The anti-wire break detection unit also includes a wire break prevention component arranged on the wire outlet side of the wire feeding drive wheel group, the wire break prevention component includes a second anti-break base, a damping sleeve slidingly arranged on the second anti-break base along the wire feeding direction, and a second elastic switch arranged on the second anti-break base, the damping sleeve has a damping hole for passing the welding wire, the damping sleeve has a working section and an alarm section in sequence along the wire feeding direction, the radius of the alarm section is smaller than the radius of the working section, the wire break prevention component also includes a detection spring, the detection spring is sleeved on the damping sleeve and one end acts on the second anti-break base to make the damping sleeve have a tendency to slide in the opposite direction of the wire feeding direction, and the elastic detection head of the second elastic switch abuts against the outer wall of the damping sleeve.

[0008] The wire feeding drive wheel group includes a driving wheel and a pressure wheel arranged on the wire feeding bracket, and the wire feeding drive wheel group also includes a pressure bracket and a pressure spring. The pressure spring is arranged on the wire feeding bracket, and the pressure wheel is arranged on the pressure bracket and forms a gap with the driving wheel to accommodate the welding wire. One end of the pressure bracket is hingedly arranged on the wire feeding bracket, and the pressure spring acts on the other end of the pressure bracket to clamp the welding wire between the pressure wheel and the driving wheel.

[0009] The welding head assembly includes a mounting seat and a welding gun head and a wire feeding bracket arranged on the mounting seat. The mounting seat is arranged on the welding machine housing, and the wire feeding bracket is arranged on the welding gun head. The welding head assembly also includes an arc ruler, and the welding gun head and the wire feeding bracket can be movably arranged on the arc ruler.

[0010] The wire feeding bracket includes a fixed rod, an adjusting rod and a wire feeding sleeve. The fixed rod is fixedly connected to the welding gun head, the adjusting rod is rotatably connected to one end of the fixed rod, and the wire feeding sleeve is rotatably connected to the fixed rod.

[0011] The welding head assembly further includes a lifting structure and a rotating structure, wherein the rotating structure is arranged on the lifting structure, the lifting structure is arranged on the mounting seat, and the welding gun head and the wire feeding support are arranged on the rotating structure.

[0012] The lifting structure includes a slide rail, a slider, a lifting plate, a main shaft and a lifting drive device. The slide rail is arranged on the mounting seat, the slider is slidably arranged on the slide rail, the lifting plate is arranged on the slider, the main shaft is arranged on the lifting plate, and the welding gun head and the wire feeding bracket are arranged at the end of the main shaft.

[0013] The main shaft is a rotating shaft and is rotatably arranged on the lifting plate. The rotating structure includes a rotating drive device arranged on the lifting plate, a synchronous gear and a synchronous belt arranged on the main shaft, and the synchronous belt is sleeved on the synchronous gear and the output end of the rotating drive device.

[0014] The rotary drive device further includes a code disc and a counter. The code disc is sleeved on the main shaft, and the counter is arranged on the lifting plate. The counter is used to record the angle through which the code disc rotates.

[0015] The welding workbench includes a welding seat and a platform slidably arranged on the welding seat. The soldering machine also includes a cleaning box arranged on one side of the welding workbench, and the cleaning box is used to clean the welding head assembly.

[0016] The working principle and beneficial effects of the present invention are:

[0017] The present invention discloses an automatic soldering machine, which performs real-time detection of the welding wire status of the automatic soldering machine by arranging an anti-wire-breakage detection unit on the automatic wire-feeding assembly. The wire-feeding anti-breakage assembly of the anti-wire-breakage detection unit is arranged on the wire-feeding side of the wire-feeding driving wheel assembly, and is pressed on the fed welding wire through a first elastic switch. When the welding wire breaks, the elastic detection head of the first elastic switch can sense the wire breakage in the first time and thus alarm. Through the above technical solution, the wire breakage can be detected in real time, thereby avoiding the situation where the welding wire breakage is not discovered in time and the automatic soldering machine continues to automatically run, resulting in omissions in welding. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0019] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0020] Figure 2 for Figure 1 A partial enlarged view of point A in the middle;

[0021] Figure 3 This is a schematic diagram of the axonometric structure of the present invention Figure 1 ;

[0022] Figure 4 This is a schematic diagram of the axonometric structure of the present invention Figure 2 ;

[0023] In the figure: 1. welding casing, 2. wire feeding bracket, 3. first anti-break base, 4. first elastic switch, 5. detection groove, 6. second anti-break base, 7. damping sleeve, 8. second elastic switch, 9. working section, 10. alarm section, 11. detection spring, 12. driving wheel, 13. pressure wheel, 14. pressure bracket, 15. pressure spring, 16. mounting seat, 17. welding gun head, 18. wire feeding bracket, 19. arc ruler, 20. fixing rod, 21. adjusting rod, 22. wire feeding sleeve, 23. slide rail, 24. slider, 25. lifting plate, 26. main shaft, 27. rotation drive device, 28. synchronous gear, 29. synchronous belt, 30. code disk, 31. counter, 32. welding seat, 33. platform, 34. cleaning box. DETAILED DESCRIPTION

[0024] The following will be combined with the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts are within the scope of protection of the present invention.

[0025] like Figures 1 to 4 As shown, this embodiment proposes an automatic soldering machine, including a welding machine housing 1 with a working chamber and a welding workbench, a welding head assembly and an automatic wire feeding assembly arranged in the working chamber, the automatic wire feeding assembly including a wire feeding bracket 2 and a wire feeding drive wheel group and an anti-wire breaking detection unit arranged on the wire feeding bracket 2, the wire feeding drive wheel group having a gap for allowing the welding wire to pass through, the anti-wire breaking detection unit including a wire feeding anti-breaking assembly arranged on the wire feeding side of the wire feeding drive wheel group, the wire feeding anti-breaking assembly including a first anti-breaking base 3 and a first elastic switch 4 arranged on the first anti-breaking base 3, the first anti-breaking base 3 having a wire threading hole and a detection groove 5, the elastic detection head of the first elastic switch 4 extending into the detection groove 5, the welding wire passing through the wire threading hole and the part located in the detection groove 5 abuts against the elastic detection head of the first elastic switch 4 to detect whether the welding wire is broken.

[0026] In this embodiment, an automatic soldering machine is disclosed. The welding machine housing 1 has a working chamber, and a welding workbench is installed in the working chamber to fix the welding workpiece. A welding head assembly and an automatic wire feeding assembly are also installed on the welding machine housing 1. The welding head assembly can move on the welding machine housing 1, and specifically can be driven by a slide rail 23 to move horizontally, and the automatic wire feeding assembly feeds the welding wire to the welding head assembly to achieve welding. In order to detect the wire breakage in time, an anti-wire breakage detection unit is installed. Under the drive of the wire feeding drive wheel group, the welding wire is fed and moved. On the wire feeding side, a wire feeding bracket 2 is installed on the welding machine housing 1, and a first anti-breaking base 3 is installed on the wire feeding bracket 2, wherein a detection groove 5 is designed on the first anti-breaking base 3, and the wire threading hole on the first detection base passes through the detection groove 5. When the welding wire passes through the wire threading hole, part of it is exposed in the detection groove 5. The elastic detection head on the first elastic switch 4 will be pressed toward the welding wire in the detection groove 5 under the action of elastic force. When the welding wire breaks, the welding wire in the detection groove 5 is not enough to support the pressure of the elastic detection head of the first elastic switch 4, thereby sounding an alarm and detecting the breakage of the welding wire in time.

[0027] The anti-wire-break detection unit also includes a wire-breaking prevention component arranged on the wire-out side of the wire-feeding drive wheel group, the wire-breaking prevention component including a second anti-breaking base 6, a damping sleeve 7 slidingly arranged on the second anti-breaking base 6 along the wire-feeding direction, and a second elastic switch 8 arranged on the second anti-breaking base 6, the damping sleeve 7 having a damping hole for passing the welding wire, the damping sleeve 7 having a working section 9 and an alarm section 10 in sequence along the wire-feeding direction, the radius of the alarm section 10 being smaller than the radius of the working section 9, the wire-breaking prevention component also includes a detection spring 11, the detection spring 11 being sleeved on the damping sleeve 7 and one end acting on the second anti-breaking base 6 to make the damping sleeve 7 have a tendency to slide in the opposite direction of the wire-feeding direction, and the elastic detection head of the second elastic switch 8 abuts against the outer wall of the damping sleeve 7.

[0028] In this embodiment, a wire breaking prevention component is installed on the wire outlet side of the wire feeding drive wheel group, and the second anti-breaking base 6 is installed on the wire feeding bracket 2. A damping sleeve 7 is movably installed on the second anti-breaking base 6. The damping sleeve 7 will move upward under the action of the detection spring 11. When welding wire passes through, the welding wire will drive the damping sleeve 7 to move downward. At this time, the elastic detection head of the second elastic switch 8 will press on the working section 9 of the damping sleeve 7. The radius of the working section 9 is large. When the wire breaks, the damping sleeve 7 loses the friction tension of the welding wire and moves in the opposite direction under the action of the detection spring 11. The elastic detection head of the second elastic switch 8 abuts against the alarm section 10 with a smaller radius, thereby realizing an alarm. On the basis of the above embodiment, this embodiment further improves the accuracy and stability of wire break detection.

[0029] The wire feeding drive wheel group includes a driving wheel 12 and a pressure wheel 13 arranged on the wire feeding bracket 2, and the wire feeding drive wheel group also includes a pressure bracket 14 and a pressure spring 15. The pressure spring 15 is arranged on the wire feeding bracket 2, and the pressure wheel 13 is arranged on the pressure bracket 14 and forms a gap with the driving wheel 12 to accommodate the welding wire. One end of the pressure bracket 14 is hingedly arranged on the wire feeding bracket 2, and the pressure spring 15 acts on the other end of the pressure bracket 14 to clamp the welding wire between the pressure wheel 13 and the driving wheel 12.

[0030] In this embodiment, the welding wire is conveyed under the drive of the wire feeding drive wheel group. Specifically, the welding wire is clamped by the driving wheel 12 and the clamping wheel 13 for conveying. The clamping wheel 13 rotates on the clamping bracket 14. The clamping bracket 14 is moved away by a lever, and the clamping spring 15 applies a force to the clamping bracket 14 to make it swing around the hinge point, so that the clamping wheel 13 and the driving wheel 12 clamp the welding wire. The rotation of the driving wheel 12 drives the welding wire to move through friction.

[0031] The welding head assembly includes a mounting seat 16 and a welding gun head 17 and a wire feeding bracket 18 arranged on the mounting seat 16. The mounting seat 16 is arranged on the welding machine housing 1, and the wire feeding bracket 18 is arranged on the welding gun head 17. The welding head assembly also includes an arc ruler 19, and the welding gun head 17 and the wire feeding bracket 18 can be movably arranged on the arc ruler 19.

[0032] In this embodiment, the welding gun head 17 and the wire feeding bracket 18 are installed on the mounting base 16 to enable the welding wire to be fed to the vicinity of the welding gun head 17. In order to more accurately control the welding angle and thus achieve a better welding effect, the welding gun head 17 and the wire feeding bracket 18 are installed as a whole on the arc ruler 19, and the scale is marked on the arc ruler 19. By adjusting the position of the welding gun head 17 on the arc ruler 19, the welding gun head 17 and the welding position can maintain the best welding angle, thereby solving the problem of inaccurate angle between the welding head and the weldment.

[0033] The wire feeding bracket 18 includes a fixed rod 20, an adjusting rod 21 and a wire feeding sleeve 22. The fixed rod 20 is fixedly connected to the welding gun head 17, the adjusting rod 21 is rotatably connected to one end of the fixed rod 20, and the wire feeding sleeve 22 is rotatably connected to the fixed rod 20.

[0034] In this embodiment, the wire feeding bracket 18 is connected by multiple rods, the fixed rod 20 is fixedly connected to the welding gun head 17, the adjustment rod 21 is rotatably connected to the fixed rod 20 so that the angle can be adjusted, and the wire feeding sleeve 22 is installed on the fixed rod 20 and can be rotated, further increasing the adjustable range of the angle and improving applicability.

[0035] The welding head assembly further includes a lifting structure and a rotating structure. The rotating structure is arranged on the lifting structure. The lifting structure is arranged on the mounting seat 16. The welding gun head 17 and the wire feeding support 18 are arranged on the rotating structure.

[0036] In this embodiment, in order to allow the welding head assembly to have a better coverage range, the lifting and rotation of the welding head assembly are achieved through a rotating structure and a lifting structure.

[0037] The lifting structure includes a slide rail 23, a slider 24, a lifting plate 25, a main shaft 26 and a lifting drive device. The slide rail 23 is arranged on the mounting seat 16, the slider 24 is slidably arranged on the slide rail 23, the lifting plate 25 is arranged on the slider 24, the main shaft 26 is arranged on the lifting plate 25, and the welding gun head 17 and the wire feeding bracket 18 are arranged at the end of the main shaft 26.

[0038] In this embodiment, specifically, lifting and lowering are achieved through the following structure: the welding gun head 17 and the wire feeding bracket 18 are installed on the main shaft 26, the main shaft 26 is installed on the lifting plate 25, and the lifting plate 25 moves on the slide rail 23 through the slider 24, and is driven to move by the lifting drive device. In this embodiment, the lifting plate 25 is driven to move by the synchronous belt 29, and the synchronous belt 29 is connected to the lifting plate 25. Other methods can also be adopted in other embodiments.

[0039] The main shaft 26 is a rotating shaft and is rotatably arranged on the lifting plate 25. The rotating structure includes a rotating drive device 27 arranged on the lifting plate 25, a synchronous gear 28 and a synchronous belt 29 arranged on the main shaft 26, and the synchronous belt 29 is sleeved on the synchronous gear 28 and the output end of the rotating drive device 27.

[0040] In this embodiment, the main shaft 26 can be installed in a rotating manner by installing a rotation drive device 27 on the lifting plate 25, whose output end is connected to the synchronous belt 29, and the synchronous belt 29 drives the synchronous gear 28 coaxially installed on the main shaft 26 to realize the rotation of the main shaft 26.

[0041] The rotation drive device 27 further includes a code disk 30 and a counter 31 . The code disk 30 is sleeved on the main shaft 26 , and the counter 31 is disposed on the lifting plate 25 . The counter 31 is used to record the angle of rotation of the code disk 30 .

[0042] In this embodiment, a code disk 30 and a counter 31 are also installed on the main shaft 26. The code disk 30 is installed on the main shaft 26 and is inserted into the counter 31. The rotation angle is calculated by reading the rotation range of the code disk 30, thereby achieving precise control.

[0043] The welding workbench includes a welding seat 32 and a platform 33 slidably arranged on the welding seat 32. The soldering machine also includes a cleaning box 34 arranged on one side of the welding workbench. The cleaning box 34 is used to clean the welding head assembly.

[0044] In this embodiment, the welding workbench is based on a welding seat 32, which is connected to the welding machine housing 1. The platform 33 is movably installed on the welding seat 32. A cleaning box 34 is also provided next to the welding seat 32 for cleaning the welding gun head 17. In order to improve environmental hygiene, a fan is also provided on the welding machine housing 1 to absorb excess polluted gas.

[0045] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. An automatic soldering machine, comprising a welding housing (1) having a working chamber, a welding workbench, a welding head assembly and an automatic wire feeding assembly arranged in the working chamber, characterized in that: The automatic wire feeding assembly comprises a wire feeding bracket (2), a wire feeding drive wheel group and a wire breaking prevention detection unit arranged on the wire feeding bracket (2), the wire feeding drive wheel group having a gap for allowing the welding wire to pass through, the wire breaking prevention detection unit comprising a wire feeding anti-breaking assembly arranged on the wire feeding side of the wire feeding drive wheel group, the wire feeding anti-breaking assembly comprising a first anti-breaking base (3) and a first elastic switch (4) arranged on the first anti-breaking base (3), the first anti-breaking base (3) having a wire threading hole and a detection groove (5), the elastic detection head of the first elastic switch (4) extending into the detection groove (5), the portion of the welding wire passing through the wire threading hole and located in the detection groove (5) abutting against the elastic detection head of the first elastic switch (4) to detect whether the welding wire is broken.

2. The automatic soldering machine according to claim 1, characterized in that: The wire-breaking prevention detection unit further comprises a wire-breaking prevention component arranged on the wire-out side of the wire-feeding drive wheel assembly, the wire-breaking prevention component comprising a second anti-breaking base (6), a damping sleeve (7) slidingly arranged on the second anti-breaking base (6) along the wire-feeding direction, and a second elastic switch (8) arranged on the second anti-breaking base (6), the damping sleeve (7) having a damping hole for passing the welding wire, the damping sleeve (7) sequentially having a working section (9) and an alarm section (10) along the wire-feeding direction, the radius of the alarm section (10) being smaller than the radius of the working section (9), the wire-breaking prevention component further comprising a detection spring (11), the detection spring (11) being sleeved on the damping sleeve (7) and having one end acting on the second anti-breaking base (6) so that the damping sleeve (7) has a tendency to slide in the opposite direction of the wire-feeding direction, and the elastic detection head of the second elastic switch (8) abuts against the outer wall of the damping sleeve (7).

3. The automatic soldering machine according to claim 1 or 2, characterized in that: The wire feeding drive wheel group includes a driving wheel (12) and a pressure wheel (13) arranged on the wire feeding bracket (2), and the wire feeding drive wheel group also includes a pressure bracket (14) and a pressure spring (15). The pressure spring (15) is arranged on the wire feeding bracket (2), and the pressure wheel (13) is arranged on the pressure bracket (14) and forms a gap with the driving wheel (12) to accommodate the welding wire. One end of the pressure bracket (14) is hingedly arranged on the wire feeding bracket (2), and the pressure spring (15) acts on the other end of the pressure bracket (14) to clamp the welding wire between the pressure wheel (13) and the driving wheel (12).

4. The automatic soldering machine according to claim 1, characterized in that: The welding head assembly comprises a mounting seat (16), a welding gun head (17) and a wire feeding support (18) arranged on the mounting seat (16); the mounting seat (16) is arranged on the welding machine housing (1); the wire feeding support (18) is arranged on the welding gun head (17); the welding head assembly further comprises an arc ruler (19); the welding gun head (17) and the wire feeding support (18) can both be movably arranged on the arc ruler (19).

5. The automatic soldering machine according to claim 4, characterized in that: The wire feeding bracket (18) includes a fixed rod (20), an adjusting rod (21) and a wire feeding sleeve (22); the fixed rod (20) is fixedly connected to the welding gun head (17); the adjusting rod (21) is rotatably connected to one end of the fixed rod (20); and the wire feeding sleeve (22) is rotatably connected to the fixed rod (20).

6. The automatic soldering machine according to claim 4, characterized in that: The welding head assembly further comprises a lifting structure and a rotating structure, wherein the rotating structure is arranged on the lifting structure, the lifting structure is arranged on the mounting seat (16), and the welding gun head (17) and the wire feeding support (18) are arranged on the rotating structure.

7. The automatic soldering machine according to claim 6, characterized in that: The lifting structure comprises a slide rail (23), a slider (24), a lifting plate (25), a main shaft (26) and a lifting drive device, wherein the slide rail (23) is arranged on the mounting seat (16), the slider (24) is slidably arranged on the slide rail (23), the lifting plate (25) is arranged on the slider (24), the main shaft (26) is arranged on the lifting plate (25), and the welding gun head (17) and the wire feeding bracket (18) are arranged at the end of the main shaft (26).

8. The automatic soldering machine according to claim 7, characterized in that: The main shaft (26) is a rotating shaft and is rotatably arranged on the lifting plate (25). The rotating structure includes a rotating drive device (27) arranged on the lifting plate (25), a synchronous gear (28) and a synchronous belt (29) arranged on the main shaft (26), and the synchronous belt (29) is sleeved on the synchronous gear (28) and the output end of the rotating drive device (27).

9. The automatic soldering machine according to claim 8, characterized in that: The rotary drive device (27) further includes a code disc (30) and a counter (31), wherein the code disc (30) is sleeved on the main shaft (26), and the counter (31) is arranged on the lifting plate (25), and the counter (31) is used to record the angle rotated by the code disc (30).

10. The automatic soldering machine according to claim 1, characterized in that: The welding workbench comprises a welding seat (32) and a platform (33) slidably arranged on the welding seat (32); the soldering machine further comprises a cleaning box (34) arranged on one side of the welding workbench; the cleaning box (34) is used to clean the welding head assembly.

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