Automatic tin wire feeding welding mechanism

Abstract

The present invention belongs to the field of spot welding technology, and in particular to an automatic tin wire feeding welding mechanism, comprising a Y-axis component, a tin wire conveying component and a supporting base plate screwed and fixed on the Y-axis component, the Y-axis component comprising a Y-axis movable slide and a supporting base, the Y-axis movable slide and the supporting base are respectively provided with a first movable slide rail and a second movable slide rail, the supporting base plate is slidably connected to the Y-axis component through the Y-axis movable slide and the second movable slide rail, and two symmetrically distributed supporting brackets are screwed and fixed on the upper surface of the supporting base plate; the welding efficiency is high, no manual cutting and placing of tin wire is required, tin wire can be automatically supplied, and simultaneous automatic welding of multiple cables can be realized, and tin wires of various diameters can be compatible, and the smallest tin wire that can be adapted to a diameter of 0.2 mm can be adjusted arbitrarily according to needs, and the welding accuracy is high. High-precision welding can be achieved through modular movement and positioning.

Description

Technical Field

[0001] The invention belongs to the technical field of spot welding, and in particular relates to an automatic tin wire feeding welding mechanism. Background Art

[0002] Spot welding is usually divided into two categories: double-sided spot welding and single-sided spot welding. In double-sided spot welding, the electrodes are fed from both sides of the workpiece to the welding point. The typical double-sided spot welding method is the most commonly used method. At this time, there are electrode indentations on both sides of the workpiece. In mass production, single-sided multi-point spot welding is widely used. At this time, a transformer can be used to power each pair of electrodes and press the workpiece in turn. It can also be used that each pair of electrodes is powered by a separate transformer and all electrodes press the workpiece at the same time. The latter type has more advantages and is more widely used. Each transformer can be placed close to the connected electrode, so its power and size can be significantly reduced. The process parameters of each welding point can be adjusted separately. All welding points can be welded at the same time, with high productivity. All electrodes press the workpiece at the same time to reduce deformation. Multiple transformers are powered at the same time to ensure three-phase load balance.

[0003] In today's industrial production, spot welding is a highly used process technology. There are many types of spot welding. In traditional hot pressing welding, if you need to weld multiple cables at the same time, you usually manually cut the tin wire into the lengths we need, which results in low efficiency and easily produces defective products of different lengths, reducing spot welding efficiency and product quality, and increasing production costs.

[0004] Therefore, those skilled in the art provide an automatic tin wire feeding welding mechanism to solve the problems raised in the above background technology. Summary of the invention

[0005] In order to solve the problems raised in the above background technology, the present invention provides an automatic tin wire feeding welding mechanism, which has the characteristics of simple and reasonable structure, safe and stable use, high degree of automation and good precision.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an automatic tin wire feeding welding mechanism, comprising a Y-axis component, a tin wire conveying component and a support base plate screwed and fixed on the Y-axis component, the Y-axis component comprising a Y-axis movable slide and a support base, the Y-axis movable slide and the support base are respectively provided with a first movable slide rail and a second movable slide rail, the support base plate is slidably connected to the Y-axis component through the Y-axis movable slide and the second movable slide rail, two symmetrically distributed support brackets are screwed and fixed on the upper end surface of the support base plate, one of the support brackets is welded with a first mounting plate on the outer side, the top of the support bracket is screwed with a support plate, a motor mounting frame is welded on one side of the support bracket, and a second mounting plate is welded and fixed on one side of the support plate, the tin wire conveying component comprises a stepper motor and a plurality of guide rollers, the stepper motor is screwed and fixed on the inner side of the top end of the motor mounting frame, a tin wire material roll is clamped and fixed on the output end of the stepper motor, a counterweight mounting frame and a limiting column are screwed and fixed on the upper end surface of the first mounting plate, and the inner side sliding connection of the counterweight mounting frame A counterweight block is connected, a tin wire pulling cylinder is screwed at the bottom of the support plate, a mounting rod is slidably arranged on the outside of the limit column, a tin wire sensor is screwed at the inner side of the mounting rod, a plurality of guide rollers are respectively located at the bottom of the tin wire roll and the outside of the support plate close to the tin wire pulling cylinder, a tin wire pressing cylinder is arranged at one end of the outer side of the support plate close to the tin wire roll, a guide tube is arranged at the outside of the bottom end of the tin wire pressing cylinder, a tin wire clamping cylinder is screwed at the other end of the support plate, a Z-direction component is screwed at the outside of the second mounting plate, and the Z-direction component is screwed at the The component includes a Z-axis drive motor and a Z-axis movable slide, the Z-axis drive motor is located at the top of the Z-axis movable slide, the output end of the Z-axis drive motor is fixedly connected to a spot welding component, the bottom end of the spot welding component is screwed with a welding head, a spot welding base is arranged directly below the welding head, the spot welding base is located in the middle of the guide tube and the output end of the tin wire clamping cylinder, the stepper motor, the tin wire pulling cylinder, the tin wire clamping cylinder, the tin wire pressing cylinder, the Z-axis drive motor, and the tin wire sensor are all electrically connected to an external power supply.

[0007] Preferably, a guide shaft is provided directly below the tin wire roll, the guide shaft is screwed to the motor mounting frame, and a groove is provided on the guide roller.

[0008] Preferably, two symmetrically distributed counterweight moving rods are screwed and fixed to the top of the counterweight, and the counterweight mounting frame is an "L"-shaped structure. The top of the counterweight mounting frame is provided with two circular slots matching the counterweight moving rods.

[0009] Preferably, the guide tube is of an "L"-shaped structure, a circular slot is provided at the bottom end of the guide tube, and a pressing sheet matching the guide tube is provided at the bottom end of one side of the tin-pressing wire cylinder close to the guide tube.

[0010] Preferably, a clamping claw is screwed onto the output end of the tin wire clamping cylinder.

[0011] Preferably, a roller mounting frame is fixedly engaged with the outer side of the guide roller, the guide roller rotates inside the roller mounting frame, and the roller mounting frame is a "U"-shaped structure.

[0012] Compared with the prior art, the present invention has the following beneficial effects:

[0013] 1. High welding efficiency, no need to manually cut tin wire and place tin wire, tin wire can be automatically supplied, and multiple cables can be automatically welded at the same time;

[0014] 2. It has a wide range of applications and is compatible with tin wires of various diameters, with the smallest diameter being 0.2mm. The length of the welding line segment can be adjusted as needed;

[0015] 3. High welding accuracy. High-precision welding can be achieved through modular movement and positioning. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0017] Figure 1 It is a structural schematic diagram of the present invention;

[0018] Figure 2 It is a schematic diagram of the axial stereoscopic structure of the present invention;

[0019] Figure 3 It is a left-side structural schematic diagram of the present invention;

[0020] Figure 4 It is a front view structural schematic diagram of the present invention;

[0021] Figure 5 It is a schematic diagram of the local structure of the welding head in the present invention;

[0022] Figure 6 For the present invention Figure 5 A detailed enlarged structural diagram of the A.

[0023] In the figure: 1, Y-axis assembly; 11, Y-axis movable slide; 111, first movable slide rail; 12, support seat; 121, second movable slide rail; 2, support base plate; 21, support bracket; 22, first mounting plate; 23, support plate; 24, second mounting plate; 25, motor mounting frame; 3, tin wire conveying assembly; 31, stepping motor; 32, tin wire coil; 33, tin wire pulling cylinder; 34, guide roller; 341, Roller mounting frame; 35, counterweight; 351, counterweight mounting frame; 352, counterweight moving rod; 353, limiting column; 36, guide shaft; 37, tin wire clamping cylinder; 371, clamping claw; 38, tin wire pressing cylinder; 39, guide tube; 4, Z-axis assembly; 41, Z-axis drive motor; 42, Z-axis moving slide; 5, spot welding assembly; 51, welding head; 6, spot welding base; 7, mounting rod; 71, tin wire sensor. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments 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 creative work are within the scope of protection of the present invention.

[0025] See also Figure 1-6The present invention provides the following technical solutions: an automatic tin wire feeding welding mechanism, comprising a Y-axis component 1, a tin wire conveying component 3 and a support base plate 2 screwed and fixed on the Y-axis component 1, the Y-axis component 1 comprises a Y-axis movable slide 11 and a support base 12, the Y-axis movable slide 11 and the support base 12 are respectively provided with a first movable slide rail 111 and a second movable slide rail 121, the support base plate 2 is slidably connected to the Y-axis component 1 through the Y-axis movable slide 11 and the second movable slide rail 121, and the upper end surface of the support base plate 2 is screwed and fixed with two symmetrically distributed support brackets 21, one of which is a support bracket A first mounting plate 22 is welded to the outer side of the support bracket 21, a support plate 23 is screwed to the top of the support bracket 21, a motor mounting frame 25 is welded to one side of the support bracket 21, a second mounting plate 24 is welded and fixed to one side of the support plate 23, the tin wire transmission assembly 3 includes a stepper motor 31 and a plurality of guide rollers 34, the stepper motor 31 is screwed and fixed to the inner side of the top of the motor mounting frame 25, a tin wire coil 32 is clamped and fixed to the output end of the stepper motor 31, a counterweight mounting frame 351 and a limiting column 353 are screwed and fixed to the upper end surface of the first mounting plate 22, and the inner side sliding of the counterweight mounting frame 351 is fixed to the inner side sliding of the counterweight mounting frame 351. A counterweight block 35 is dynamically connected, a tin wire pulling cylinder 33 is screwed at the bottom of the support plate 23, a mounting rod 7 is slidably arranged on the outside of the limit column 353, a tin wire sensor 71 is screwed at the inside of the mounting rod 7, a plurality of guide rollers 34 are respectively located below the tin wire roll 32 and on the outside of the support plate 23 close to the tin wire pulling cylinder 33, a tin wire pressing cylinder 38 is arranged at one end of the outer side of the support plate 23 close to the tin wire roll 32, a guide tube 39 is arranged at the outside of the bottom end of the tin wire pressing cylinder 38, a tin wire clamping cylinder 37 is screwed at the other end of the support plate 23, and a Z-direction component 4 is screwed at the outside of the second mounting plate 24 The Z-axis component 4 includes a Z-axis driving motor 41 and a Z-axis movable slide 42. The Z-axis driving motor 41 is located at the top of the Z-axis movable slide 42. The output end of the Z-axis driving motor 41 is fixedly connected to the spot welding component 5. The bottom end of the spot welding component 5 is screwed with a welding head 51. A spot welding base 6 is arranged directly below the welding head 51. The spot welding base 6 is located in the middle of the guide tube 39 and the output end of the tin wire clamping cylinder 37. The stepper motor 31, the tin wire pulling cylinder 33, the tin wire clamping cylinder 37, the tin wire pressing cylinder 38, the Z-axis driving motor 41, and the tin wire sensor 71 are all electrically connected to an external power supply.

[0026] In this embodiment: a mounting rod 7 is slidably arranged on the outer side of the limiting column 353, and a tin wire sensor 71 is screwed on the inner side of the mounting rod 7. When the tin wire is pulled, the tin wire is subjected to force to pull up the counterweight block 35 (the counterweight block 35 serves to straighten the tin wire), and the tin wire sensor 71 receives a signal that the tin wire is pulled out. At this time, the welding head 51 drives the Z-axis component 4 to press down for welding through the Z-axis drive motor 41, and at the same time, the tin wire pressing cylinder 38 presses the tin wire (to prevent the counterweight block 35 from pulling the tin wire back after the tin wire melts). At this time, the stepper motor 31 rotates to release the tin wire until the tin wire sensor 71 senses that there is tin wire again and stops, and then the tin wire pressing cylinder 38 rises, and the welding is completed.

[0027] exist Figure 1 and Figure 2 Middle: A guide shaft 36 is provided directly below the tin wire coil 32, and the guide shaft 36 is screwed with the motor mounting frame 25, and a groove is provided on the guide roller 34. Two symmetrically distributed counterweight moving rods 352 are screwed and fixed to the top of the counterweight block 35, and the counterweight block mounting frame 351 is an "L"-shaped structure, and two circular slots matching the counterweight moving rods 352 are provided on the top of the counterweight block mounting frame 351; after the equipment is installed, the tin wire coil 32 is manually placed on the rotating shaft of the stepper motor 31, and the tin wire is passed through the tin wire guide tube 39 along the guide shaft 36 and the guide roller 34. During welding, the tin wire feeding cylinder extends to straighten the tin wire, and at the same time, the tin wire clamping cylinder 37 is opened, the tin wire pulling cylinder 33 retracts, the tin wire clamping cylinder 37 clamps the tin wire, and the tin wire pulling cylinder 33 extends to pull out the tin wire. When the tin wire is pulled, the tin wire is subjected to force to pull up the counterweight block 35, and the counterweight block 35 plays the role of straightening the tin wire.

[0028] exist Figure 3 Middle: The guide tube 39 is an "L"-shaped structure, and a circular slot is provided at the bottom end of the guide tube 39. A pressing piece matching the guide tube 39 is provided at the bottom end of the tin wire pressing cylinder 38 close to the guide tube 39. After the tin wire passes through the guide tube 39, the tin wire pressing cylinder 38 can press the tin wire down to prevent the counterweight 35 from pulling the tin wire back after the tin wire melts. The pressing piece can press the guide tube 39 while the tin wire pressing cylinder 38 is pressed down, which plays a positioning role on the one hand and has a limiting effect on the other.

[0029] exist Figure 4 Middle: A roller mounting frame 341 is fixedly engaged on the outer side of the guide roller 34, and the guide roller 34 rotates inside the roller mounting frame 341. The roller mounting frame 341 is a "U"-shaped structure; it is used for the tin wire to be wound around the guide roller 34, and driven by the tin wire pulling cylinder 33 to slide on a plurality of guide rollers 34. The guide roller 34 is installed using the roller mounting frame 341, which is convenient for installation and replacement of the guide roller 34, easy to use, and simple to operate.

[0030] exist Figure 5Middle: The output end of the tin wire clamping cylinder 37 is screwed with a clamping claw 371; after the equipment is installed, the tin wire roll is manually placed on the rotating shaft of the stepper motor, and the tin wire is passed through the tin wire guide tube 39 along the guide shaft 36 and the guide roller 34. During welding, the tin wire feeding cylinder is extended to straighten the tin wire, and at the same time, the tin wire clamping cylinder 37 is opened, the tin wire pulling cylinder 33 is retracted, and the tin wire clamping cylinder 37 uses the clamping claw 371 to clamp the tin wire.

[0031] The working principle and use process of the present invention are as follows: after the equipment is installed, the tin wire roll 32 is manually placed on the rotating shaft of the stepper motor 31, and the tin wire is passed through the tin wire guide tube 39 along the guide shaft 36 and the guide roller 34. During welding, the tin wire feeding cylinder is extended to straighten the tin wire, and at the same time, the tin wire clamping cylinder 37 is opened, the tin wire pulling cylinder 33 is retracted, the tin wire clamping cylinder 37 clamps the tin wire, and the tin wire pulling cylinder 33 is extended to pull out the tin wire. When the tin wire is pulled, the tin wire is subjected to force to pull up the counterweight block 35, and the counterweight block 35 plays the role of straightening the tin wire, tin wire sensing, tin wire sensor 71 receives a signal that the tin wire is pulled out, at this time, the welding head 51 presses down the welding through the Z-direction moving slide 42, and at the same time, the tin wire pressing cylinder 38 presses the tin wire to prevent the counterweight block from pulling the tin wire back after the tin wire melts. The stepper motor 31 rotates to release the tin wire at this time, until the tin wire sensor 71 senses the presence of tin wire again and stops, and then the tin wire pressing cylinder 38 rises. After the welding is completed, the Z-direction moving slide 42 drives the welding head 51 to lift, the Y-direction moving slide 11 retreats, and the tin wire clamping cylinder 37 opens to throw away the excess waste. At this time, the welding work is completed and the next welding work can be repeated.

[0032] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

[0033] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An automatic tin wire feeding welding mechanism, characterized in that: The invention comprises a Y-direction component (1), a tin wire conveying component (3), and a supporting base plate (2) screwed and fixed on the Y-direction component (1); the Y-direction component (1) comprises a Y-direction movable slide seat (11) and a supporting base plate (12); the Y-direction movable slide seat (11) and the supporting base plate (12) are respectively provided with a first movable slide rail (111) and a second movable slide rail (121); the supporting base plate (2) is slidably connected to the Y-direction component (1) via the Y-direction movable slide seat (11) and the second movable slide rail (121); The upper end surface of the support base plate (2) is screwed and fixed with two symmetrically distributed support brackets (21), the outer side of one of the support brackets (21) is welded with a first mounting plate (22), the top end of the support bracket (21) is screwed with a support plate (23), one side of the support bracket (21) is welded with a motor mounting frame (25), and one side of the support plate (23) is welded and fixed with a second mounting plate (24); The tin wire conveying assembly (3) comprises a stepper motor (31) and a plurality of guide rollers (34); the stepper motor (31) is screwed and fixed to the inner side of the top end of the motor mounting frame (25); a tin wire roll (32) is fixedly engaged with the output end of the stepper motor (31); a counterweight mounting frame (351) and a limiting column (353) are screwed and fixed to the upper end surface of the first mounting plate (22); a counterweight (35) is slidably connected to the inner side of the counterweight mounting frame (351); a tin wire pulling cylinder (33) is screwed to the lower side of the support plate (23); and the limiting column (353) is screwed to the upper end surface of the first mounting plate (22). A mounting rod (7) is slidably mounted on the outer side of the position post (353), a tin wire sensor (71) is screwed on the inner side of the mounting rod (7), a plurality of guide rollers (34) are respectively located below the tin wire roll (32) and on the outer side of the support plate (23) close to the tin wire pulling cylinder (33), a tin wire pressing cylinder (38) is provided on the outer side of the support plate (23) close to one end of the tin wire roll (32), a guide tube (39) is provided on the outer side of the bottom end of the tin wire pressing cylinder (38), and a tin wire clamping cylinder (37) is screwed on the other end of the support plate (23); The outer side of the second mounting plate (24) is screwed with a Z-direction component (4), and the Z-direction component (4) includes a Z-direction drive motor (41) and a Z-direction movable slide (42). The Z-direction drive motor (41) is located at the top of the Z-direction movable slide (42). The output end of the Z-direction drive motor (41) is fixedly connected to a spot welding component (5). The bottom end of the spot welding component (5) is screwed with a welding head (51). A spot welding base (6) is arranged directly below the welding head (51). The spot welding base (6) is located in the middle of the guide tube (39) and the output end of the tin wire clamping cylinder (37). The stepping motor (31), the tin wire pulling cylinder (33), the tin wire clamping cylinder (37), the tin wire pressing cylinder (38), the Z-direction drive motor (41), and the tin wire sensor (71) are all electrically connected to an external power supply.

2. The automatic tin wire feeding welding mechanism according to claim 1, characterized in that: A guide shaft (36) is provided directly below the tin wire roll (32), the guide shaft (36) is screwed to the motor mounting frame (25), and a groove is provided on the guide roller (34).

3. The automatic tin wire feeding welding mechanism according to claim 1, characterized in that: The top of the counterweight (35) is screwed and fixed with two symmetrically distributed counterweight moving rods (352); the counterweight mounting frame (351) is an "L"-shaped structure; the top of the counterweight mounting frame (351) is provided with two circular slots matching the counterweight moving rods (352).

4. The automatic tin wire feeding welding mechanism according to claim 1, characterized in that: The guide tube (39) is an "L"-shaped structure, a circular slot is provided at the bottom end of the guide tube (39), and a pressing sheet matching the guide tube (39) is provided at the bottom end of one side of the tin pressing wire cylinder (38) close to the guide tube (39).

5. The automatic tin wire feeding welding mechanism according to claim 1, characterized in that: The output end of the tin wire clamping cylinder (37) is threadedly connected with a clamping claw (371).

6. The automatic tin wire feeding welding mechanism according to claim 1, characterized in that: A roller mounting frame (341) is fixedly engaged on the outer side of the guide roller (34), and the guide roller (34) rotates inside the roller mounting frame (341). The roller mounting frame (341) is a "U"-shaped structure.

Images