Wire feeding mechanism for welding

Abstract

The utility model relates to the technical field of welding wire feeding, and discloses a welding wire feeding mechanism which comprises a welding gun, the outer surface of the welding gun is fixedly connected with a mounting plate through a clamping mechanism, one side of the mounting plate is hinged to a connecting rod, the other end of the connecting rod is hinged to a fixing plate, a wire feeding pipe is arranged in the fixing plate in a penetrating mode, and the wire feeding pipe is connected with the welding gun. A telescopic mechanism is arranged between the wire feeding pipe and the mounting plate, so that welding guns with different inner diameters can be quickly sleeved with the mounting plate and the wire feeding pipe through the clamping mechanism, and the phenomenon that the mounting plate and the wire feeding pipe automatically slide down due to insufficient frictional resistance in the welding process can be effectively avoided; therefore, the application range and the welding safety of the device are greatly improved, and the angle of the wire feeding pipe can be manually adjusted through the telescopic mechanism, so that an operator can quickly adjust the wire feeding pipe to a proper wire feeding angle according to actual requirements, and the practicability of the device is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to welding wire feeding technology field, concretely is a kind of wire feeding mechanism for welding. BACKGROUND

[0002] Welding wire is used as filler metal or as a metal wire welding material for conducting electricity. In gas welding and tungsten inert gas welding, welding wire is used as filler metal; In submerged arc welding, electroslag welding and other gas tungsten arc welding, welding wire is both filler metal and conducting electrode. During the welding process, the welding wire is often fed to the desired welding position using a wire feeding mechanism.

[0003] However, the existing wire feeding mechanism has a fixed structure when in use, which makes it inconvenient for the operator to adjust the angle of wire feeding according to actual needs. Moreover, the traditional wire feeding mechanism is usually connected to the welding torch through a connecting ring during installation. However, this direct connection method usually relies on the internal friction resistance for limiting, which may cause the wire feeding mechanism to automatically slide down during the welding process due to insufficient friction resistance, thereby seriously affecting the welding safety and quality. SUMMARY

[0004] The utility model aims at providing a wire feeding mechanism for welding, which solves the problems raised in the background art.

[0005] The present application provides a wire feeding mechanism for welding, which includes a welding torch. A mounting plate is fixedly connected to the outer surface of the welding torch through a clamping mechanism. A connecting rod is hingedly connected to one side of the mounting plate. A fixed plate is hingedly connected to the other end of the connecting rod. A wire feeding pipe is arranged inside the fixed plate. An extension mechanism is arranged between the wire feeding pipe and the mounting plate.

[0006] The above technical solution enables the device to quickly feed wire during welding with the welding torch, thereby greatly improving the practicality of the device.

[0007] Optionally, the clamping mechanism includes a clamping hole formed in the mounting plate and a fixed cylinder fixedly connected to both sides of the mounting plate. A hand turntable is mounted on the outer surface of the fixed cylinder. A lead screw is fixedly connected inside the hand turntable. The other end of the lead screw extends into the inside of the fixed cylinder and is movably connected to a lead screw sleeve through a limiting assembly. The other end of the lead screw sleeve extends into the inside of the clamping hole and is fixedly connected to a clamping plate.

[0008] The above technical solution enables the device to quickly sleeve the mounting plate and the wire feeding pipe on welding torches with different inner diameters through the clamping mechanism, thereby greatly improving the application range and welding safety of the device.

[0009] Optionally, the telescopic mechanism comprises a bottom plate mounted at the bottom of the mounting plate, one side of the bottom plate is fixedly connected with a telescopic outer rod, the inside of the telescopic outer rod is movably connected with a telescopic inner rod, one side of the telescopic outer rod is provided with a plurality of locking holes, and the inside of the side close to the locking hole of the telescopic inner rod is provided with an elastic locking rod.

[0010] By adopting the above technical scheme, the angle of the wire feeding pipe can be manually adjusted by the telescopic mechanism, so that the operator can quickly adjust the wire feeding pipe to a suitable wire feeding angle according to actual needs.

[0011] Optionally, the elastic locking rod comprises a locking outer rod mounted in the inside of the telescopic inner rod, the inside of the locking outer rod is fixedly connected with a locking spring, the other end of the locking spring is fixedly connected with a locking inner rod, and the other end of the locking inner rod extends to the outside of the telescopic outer rod through the locking hole.

[0012] By adopting the above technical scheme, the elastic locking of the elastic locking rod is used, so that the self-locking process of the device can be more convenient.

[0013] Optionally, the limiting assembly comprises a limiting groove opened in the inner wall of the fixed cylinder, the inside of the limiting groove is movably connected with a limiting rod, and the other end of the limiting rod is fixedly connected with the lead screw sleeve.

[0014] By adopting the above technical scheme, the limiting effect of the limiting assembly is used, so that the lead screw sleeve can only move axially, thereby greatly improving the stability of the lead screw sleeve during movement.

[0015] Optionally, the locking hole is provided with four groups, and the four groups of locking holes are evenly arranged at equal intervals.

[0016] By adopting the above technical scheme, the plurality of locking holes are used, so that the device can be adjusted at multiple angles, thereby making the application range of the device wider.

[0017] Optionally, the inner wall of the clamping plate is provided with anti-skid lines.

[0018] By adopting the above technical scheme, the anti-skid lines can increase the frictional resistance, thereby effectively avoiding the automatic sliding phenomenon of the mounting plate and the wire feeding pipe during welding due to insufficient self-frictional resistance.

[0019] Compared with the prior art, the beneficial effects of the technical scheme of the present application are as follows:

[0020] 1. The technical scheme of the present application sets the clamping hole, the fixed cylinder, the hand turntable, the lead screw, the lead screw sleeve, the limiting groove, the limiting rod and the clamping plate, so that the device can quickly connect the mounting plate and the wire feeding pipe on the welding gun with different inner diameters through the clamping mechanism, and can effectively avoid the automatic sliding phenomenon of the mounting plate and the wire feeding pipe due to insufficient friction resistance during welding, thereby greatly improving the application range and welding safety of the device, and further greatly improving the practicality of the device.

[0021] 2. The technical scheme of the present application sets the telescopic outer rod, the telescopic inner rod, the locking hole, the locking outer rod, the locking spring, the locking inner rod, the connecting rod, the fixed plate and the wire feeding pipe, so that the device can manually adjust the angle of the wire feeding pipe through the telescopic mechanism, so that the operator can quickly adjust the wire feeding pipe to the appropriate wire feeding angle according to actual needs, thereby greatly improving the practicality of the device. BRIEF DESCRIPTION OF DRAWINGS

[0022] Other features, objects and advantages of the present application will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings:

[0023] Figure 1 It is a three-dimensional structure schematic diagram of the whole of the wire feeding mechanism for welding of the present application;

[0024] Figure 2 It is a three-dimensional structure schematic diagram of the telescopic outer rod and the telescopic inner rod connecting part in the wire feeding mechanism for welding of the present application;

[0025] Figure 3 It is a sectional view of the inside of the fixed cylinder in the wire feeding mechanism for welding of the present application;

[0026] Figure 4 It is a sectional view of the inside of the elastic locking rod in the wire feeding mechanism for welding of the present application.

[0027] In the figure: 1, welding gun; 2, mounting plate; 3, connecting rod; 4, fixed plate; 5, wire feeding pipe; 6, clamping hole; 7, fixed cylinder; 8, hand turntable; 9, lead screw; 10, lead screw sleeve; 11, limiting groove; 12, limiting rod; 13, clamping plate; 14, telescopic outer rod; 15, telescopic inner rod; 16, locking hole; 17, elastic locking rod; 171, locking outer rod; 172, locking spring; 173, locking inner rod; 18, bottom plate. DETAILED DESCRIPTION

[0028] Please refer to Figures 1-4The utility model provides a kind of technical scheme: a welding wire feeding mechanism, including welding torch 1, the outer surface of welding torch 1 is fixedly connected with mounting plate 2 by clamping mechanism, the side of mounting plate 2 is hinged with connecting rod 3, the other end of connecting rod 3 is hinged with fixed plate 4, fixed plate 4 is internally provided with wire feeding pipe 5, and telescopic mechanism is arranged between wire feeding pipe 5 and mounting plate 2.

[0029] By adopting the above technical scheme, the device can quickly feed wire during welding of the welding torch 1, greatly improving the practicality of the device.

[0030] In the embodiments of the present application, as shown in Figure 1 and Figure 3 The clamping mechanism includes a clamping hole 6 formed in the mounting plate 2 and a fixed cylinder 7 fixedly connected to both sides of the mounting plate 2. The outer surface of the fixed cylinder 7 is provided with a hand turntable 8. The hand turntable 8 is fixedly connected with a lead screw 9 inside. The other end of the lead screw 9 extends into the inside of the fixed cylinder 7 and is movably connected with a lead screw sleeve 10 through a limiting assembly. The other end of the lead screw sleeve 10 extends into the inside of the clamping hole 6 and is fixedly connected with a clamping plate 13.

[0031] By adopting the above technical scheme, the device can quickly sleeve the mounting plate 2 and the wire feeding pipe 5 on the welding torch 1 with different inner diameters through the clamping mechanism, greatly improving the application range and welding safety of the device.

[0032] In the embodiments of the present application, as shown in Figure 2 The telescopic mechanism includes a bottom plate 18 mounted on the bottom of the mounting plate 2. The bottom plate 18 is fixedly connected with a telescopic outer rod 14 on one side. The telescopic outer rod 14 is movably connected with a telescopic inner rod 15 inside. A plurality of locking holes 16 are formed on one side of the telescopic outer rod 14. The inside of the side of the telescopic inner rod 15 close to the locking hole 16 is provided with an elastic locking rod 17.

[0033] By adopting the above technical scheme, the device can manually adjust the angle of the wire feeding pipe 5 through the telescopic mechanism, so that the operator can quickly adjust the wire feeding pipe 5 to the appropriate wire feeding angle according to actual needs.

[0034] In the embodiments of the present application, as shown in Figure 4 The elastic locking rod 17 includes a locking outer rod 171 mounted inside the telescopic inner rod 15. The inside of the locking outer rod 171 is fixedly connected with a locking spring 172. The other end of the locking spring 172 is fixedly connected with a locking inner rod 173. The other end of the locking inner rod 173 extends to the outside of the telescopic outer rod 14 through the locking hole 16.

[0035] By adopting the technical scheme, the elastic locking mode of the elastic locking rod 17 is used, so that the device can be more convenient for self-locking.

[0036] In the embodiments of the present application, as shown in Figure 3 The limiting assembly includes a limiting slot 11 formed in the inner wall of the fixed cylinder 7 on both sides, and the limiting slot 11 is movably connected with a limiting rod 12, and the other end of the limiting rod 12 is fixedly connected with the lead screw sleeve 10.

[0037] By adopting the technical scheme, the limiting action of the limiting assembly is used, so that the lead screw sleeve 10 can only move axially, thereby greatly improving the stability of the lead screw sleeve 10 when moving.

[0038] In the embodiments of the present application, as shown in Figure 2 The locking hole 16 is provided with four groups, and the four groups of locking holes 16 are evenly arranged at equal intervals.

[0039] By adopting the technical scheme, the use of multiple groups of locking holes 16 makes the device can be adjusted at multiple angles, so that the application range of the device is wider.

[0040] In the embodiments of the present application, as shown in Figure 1 The inner wall of the clamping plate 13 is provided with anti-skid lines.

[0041] By adopting the technical scheme, the use of anti-skid lines can increase the frictional resistance, so that the automatic sliding phenomenon of the mounting plate 2 and the wire feeding pipe 5 in the welding process due to insufficient self-frictional resistance can be effectively avoided.

[0042] In use, the operator can first align the clamping hole 6 inside the mounting plate 2 with the bottom of the welding gun 1, then pass the welding gun 1 through the clamping hole 6 and move to the appropriate height, then the operator can rotate the hand turntable 8, so that the hand turntable 8 can drive the lead screw 9 to rotate, when the lead screw 9 rotates, it will drive the lead screw sleeve 10 to extend outward under the limiting action of the limiting slot 11 and the limiting rod 12, so that the lead screw sleeve 10 can drive the clamping plate 13 to clamp the outer wall of the welding gun 1, thereby quickly sleeving the mounting plate 2 on the welding gun 1 with different inner diameters according to actual needs, and effectively avoiding the automatic sliding phenomenon of the wire feeding pipe 5 due to insufficient frictional resistance during welding, thereby greatly improving the application range and welding safety of the device, and when it is necessary to adjust the wire feeding angle of the wire feeding pipe 5, the operator can press the locking inner rod 173, so that the locking inner rod 173 can retract into the locking outer rod 171 by compressing the locking spring 172, then the operator pushes the telescopic inner rod 15 into the telescopic outer rod 14, when the telescopic inner rod 15 drives the locking inner rod 173 to move to the next locking hole 16, the locking inner rod 173 will be quickly ejected from the locking hole 16 under the elastic action of the locking spring 172, thereby quickly fixing the telescopic inner rod 15 and simultaneously fixing the angle of the inclined wire feeding pipe 5, repeating the above operation, so that the operator can quickly rotate the wire feeding pipe 5 to the appropriate angle according to actual needs, thereby greatly improving the practicality of the device.

Claims

1. A wire feeder for welding comprising a welding torch (1), characterized in that: The outer surface of the welding gun (1) is fixedly connected with a mounting plate (2) through a clamping mechanism, one side of the mounting plate (2) is hingedly connected with a connecting rod (3), the other end of the connecting rod (3) is hingedly connected with a fixed plate (4), the inside of the fixed plate (4) is provided with a wire feeding pipe (5), and the wire feeding pipe (5) and the mounting plate (2) are provided with a telescopic mechanism.

2. A wire feeder for welding as defined in claim 1, wherein: The clamping mechanism comprises a clamping hole (6) formed in the inside of the mounting plate (2) and a fixed cylinder (7) fixedly connected on both sides of the mounting plate (2), the outer surface of the fixed cylinder (7) is provided with a hand rotating disc (8), the inside of the hand rotating disc (8) is fixedly connected with a lead screw (9), the other end of the lead screw (9) extends into the inside of the fixed cylinder (7) and is movably connected with a lead screw sleeve (10) through a limiting assembly, and the other end of the lead screw sleeve (10) extends into the inside of the clamping hole (6) and is fixedly connected with a clamping plate (13).

3. A wire feeder for welding as defined in claim 1, wherein: The telescopic mechanism comprises a bottom plate (18) mounted on the bottom of the mounting plate (2), one side of the bottom plate (18) is fixedly connected with a telescopic outer rod (14), the inside of the telescopic outer rod (14) is movably connected with a telescopic inner rod (15), one side of the telescopic outer rod (14) is provided with a plurality of locking holes (16), and the inside of the side of the telescopic inner rod (15) close to the locking holes (16) is provided with elastic locking rods (17).

4. A wire feeder for welding as defined in claim 3, wherein: The elastic locking rod (17) comprises a locking outer rod (171) mounted in the inside of the telescopic inner rod (15), the inside of the locking outer rod (171) is fixedly connected with a locking spring (172), the other end of the locking spring (172) is fixedly connected with a locking inner rod (173), and the other end of the locking inner rod (173) extends to the outside of the telescopic outer rod (14) through the locking hole (16).

5. A wire feeder for welding as defined in claim 2, wherein: The limiting assembly comprises a limiting groove (11) formed in the inner walls of both sides of the fixed cylinder (7), the inside of the limiting groove (11) is movably connected with a limiting rod (12), and the other end of the limiting rod (12) is fixedly connected with the lead screw sleeve (10).

6. A wire feeder for welding as defined in claim 3, wherein: The locking holes (16) are provided with four groups, and the four groups of locking holes (16) are evenly arranged at equal intervals.

7. A wire feeder for welding as defined in claim 2, wherein: The inner wall of the clamping plate (13) is provided with anti-skid lines.

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