Wire feeding device for steel structure welding

Abstract

The utility model relates to a wire feeding device for welding a steel structure, which is applied to the technical field of welding assistance. The wire feeding device comprises a shell, a welding wire storage area and a correction area, the welding wire storage area comprises a welding wire reel, a winding disc connected with a rotating shaft of the welding wire reel and a one-way gear connected with a rotating shaft of the winding disc, the outer side of the winding disc is sleeved with a resistance sleeve, the resistance sleeve is fixedly connected with the welding wire reel, and the outer side of the one-way gear is sleeved with a transmission shaft; the correcting area comprises a plurality of correcting wheels, a plurality of fixing rods rotationally connected with the correcting wheels and a plurality of fixing bases fixed to the shell, the lower portion of each fixing rod is connected with a second elastic piece, and the second elastic pieces and the fixing rods are arranged in cavities of the fixing bases; the redundant welding wires can be stored through the multiple correcting wheels with the elastic shrinkage capacity in the correcting area, when the redundant welding wires exceed the storage capacity, the redundant welding wires can be wound through the winding disc connected with the welding wire reel, and through the storing or recycling mode, uniform wire discharging of the wire feeding device can be achieved.

Description

Technical Field

[0001] This utility model relates to a wire feeding device for welding, and more particularly to a wire feeding device for welding steel structures applied in the field of welding auxiliary technology. Background Technology

[0002] The function of a welding wire feeder is to feed the welding wire into the welding area at a predetermined speed and direction. It is commonly used in welding processes such as argon arc welding, laser welding, and submerged arc welding. Compared with manual wire feeding, the wire feeder can achieve a stable supply of welding wire according to the set parameters, which not only ensures the welding quality but also greatly improves production efficiency.

[0003] Chinese patent application CN115519286A discloses a welding wire feeding device, including a frame; a wire feeding cavity formed within the frame; a wire reel holder and a wire feeding mechanism sequentially arranged within the wire feeding cavity along the wire feeding direction; and a braking mechanism mounted on the frame. The braking mechanism includes a reel braking part located directly above the wire reel holder, comprising a first slide rail, a first slider, an electromagnet, a permanent magnet, a first connecting rod, and a pressure plate. The first slide rail is longitudinally arranged and fixedly mounted on the frame. The first slider is slidably mounted within the first slide rail. The electromagnet is fixedly mounted at the lower end of the first slider. The permanent magnet is fixedly mounted on the inner bottom wall of the first slide rail and abuts against the permanent magnet. The pressure plate is fixedly connected to the lower end of the first slider via the first connecting rod to press the wire reel. However, some welding wire manufacturers experience disordered wire winding, which may cause the wire feeder to fail to feed the wire evenly, and even pose a risk of wire breakage, thus affecting production progress.

[0004] To address the problem of uneven wire feeding caused by uneven wire winding, this solution proposes a wire feeding device for steel structure welding. Summary of the Invention

[0005] The technical problem to be solved by this utility model in view of the above-mentioned prior art is that uneven wire winding will lead to uneven wire output from the wire feeder.

[0006] To solve the above problems, this utility model provides a wire feeding device for steel structure welding, including a shell, a wire storage area, and a straightening area. The wire storage area includes a wire spool, a take-up spool connected to the spool's rotating shaft, and a one-way gear connected to the take-up spool's rotating shaft. A resistance sleeve is fitted around the outside of the take-up spool, and the resistance sleeve is fixedly connected to the wire spool. A drive shaft is fitted around the outside of the one-way gear, and a rivet adjuster is provided on the outside of the drive shaft. The rivet adjuster is fixedly connected to the shell. The straightening area includes multiple straightening wheels, multiple fixed rods rotatably connected to the straightening wheels, and multiple fixed seats fixed to the shell. An elastic element II is connected to the bottom of each fixed rod. The elastic element II and the fixed rod are arranged in the cavity of the fixed seat. One of the fixed rods has a mounting ear I fixed at its bottom end. A control button is installed on the mounting ear I. The fixed seat has a groove corresponding to the position of the mounting ear I. A mounting ear II is fixed at the top of the groove. The control button is electrically connected to the rivet adjuster.

[0007] In the aforementioned wire feeding device for steel structure welding, excess welding wire can be stored or recycled to ensure uniform wire feeding.

[0008] As a further improvement of this application, a wire feeding area is also provided on one side of the correction area. The wire feeding area includes a drive tooth, multiple main gears hinged to the drive tooth, and multiple auxiliary gears hinged to the multiple main gears one by one. A main wire feeding wheel is fixed on one side of each main gear, and an auxiliary wire feeding wheel is fixed on one side of each auxiliary gear. A rubber ring is sleeved on the outside of each main wire feeding wheel and auxiliary wire feeding wheel.

[0009] As a further improvement of this application, the rubber ring of the main wire feeding wheel is tightly fitted with the rubber ring of the corresponding auxiliary wire feeding wheel, each rubber ring is made of soft rubber, and each rubber ring has a rough layer on its surface.

[0010] As a further improvement of this application, the rivet adjuster includes an adjuster housing and a fixed rivet. One end of the fixed rivet is connected to an elastic element, and one end of the elastic element is connected to an electromagnet. The fixed rivet is made of magnetic material, and both the elastic element and the electromagnet are disposed in the cavity of the adjuster housing.

[0011] As another improvement of this application, the inner wall of the resistance sleeve is tightly fitted with the outer wall of the winding reel, and both the inner wall of the resistance sleeve and the outer wall of the winding reel are provided with a rough layer.

[0012] As a further improvement to this application, a fixed disc is sleeved on the outside of the drive shaft, and multiple permanent magnets are fixed around the periphery of the fixed disc. The magnetic poles of adjacent permanent magnets are arranged in opposite directions. The outer shell of the winding reel is made of conductive metal, and the fixed disc is fixed to the outer shell.

[0013] In summary, when the wire feeder is feeding wire normally, if a small amount of excess welding wire appears, the elastic element two in the straightening zone, which was originally contracted, will spring back, causing the welding wire passing through the straightening wheel to change from its original straight path to an S-shaped path. This allows the excess welding wire to be stored by increasing the path length. In subsequent use, the welding wire stored in the straightening zone will be consumed by the traction force and the friction of the welding wire storage area, thus not affecting the next use. When a large amount of excess welding wire appears, all the elastic elements two in the straightening zone will be completely released, causing the control button on mounting ear one to be pressed by mounting ear two. The rivet adjuster is no longer fixed to the drive shaft, allowing the elastic potential energy in the take-up reel to be released quickly. Under the action of the resistance sleeve and inertia, the wire reel retracts the excess wire. After retraction, the elastic element is compressed again, the control button is released, and the fixed rivet locks the drive shaft again. Since the frictional force is greater than the elastic force at this time, the wire reel can drive the take-up reel to rotate, thereby storing elastic potential energy and preparing it for the next use. The above-mentioned wire feeding device for steel structure welding can correct excess wire by storing or recycling it, achieving uniform wire output from the wire feeding device. Attached Figure Description

[0014] Figure 1 This is a perspective structural diagram of the wire feeding device according to the first and second embodiments of this application;

[0015] Figure 2 This is a three-dimensional structural diagram of the welding wire storage area according to the first and second embodiments of this application;

[0016] Figure 3 This is a three-dimensional structural diagram of the orthodontic device according to the first embodiment of this application;

[0017] Figure 4 This is a three-dimensional structural diagram of the wire feeding area according to the first embodiment of this application;

[0018] Figure 5 This is an exploded view of the rivet adjuster according to the first embodiment of this application;

[0019] Figure 6 This is a structural diagram of the fixed disk replacement according to the second embodiment of this application.

[0020] Explanation of the labels in the diagram:

[0021] 1. Welding wire storage area; 2. Straightening area; 3. Wire feeding area; 11. Welding wire spool; 12. Rewind spool; 13. Resistance sleeve; 14. One-way gear; 15. Drive shaft; 16. Rivet adjuster; 161. Adjuster housing; 162. Fixed rivet; 163. Elastic element one; 164. Electromagnet; 17. Fixed plate; 18. Permanent magnet; 21. Straightening wheel; 22. Fixed rod; 23. Fixed base; 24. Control button; 25. Elastic element two; 31. Drive gear; 32. Main gear; 33. Main wire feed wheel; 34. Secondary gear; 35. Secondary wire feed wheel. Detailed Implementation

[0022] The two embodiments of this application will be described in detail below with reference to the accompanying drawings.

[0023] First implementation method:

[0024] Please see Figures 1-6 A wire feeding device for steel structure welding includes a housing, a wire storage area 1, and a straightening area 2. The wire storage area 1 includes a wire spool 11, a take-up spool 12 connected to the rotating shaft of the wire spool 11, and a one-way gear 14 connected to the rotating shaft of the take-up spool 12. A spiral spring is installed inside the take-up spool 12, and a resistance sleeve 13 is sleeved on the outside of the take-up spool 12. The resistance sleeve 13 is fixedly connected to the wire spool 11. When the wire spool 11 rotates to release the wire, the take-up spool 12 stores elastic potential energy, and there is friction between the resistance sleeve 13 and the take-up spool 12. When the take-up spool 12 does not store elastic potential energy, the friction is greater than the elastic force. When the elastic potential energy of the take-up spool 12 is fully stored, the elastic force is greater than the friction. The one-way gear... A drive shaft 15 is sleeved on the outside of 14. Multiple teeth are rotatably arranged on the one-way gear 14. A spring is installed between each tooth and the one-way gear 14. With the above arrangement, when the winding reel 12 rotates in the direction of releasing the welding wire, the teeth of the one-way gear 14 are pushed into the meshing hole of the drive shaft 15 under the action of the spring, so that the power of the one-way gear 14 is transmitted to the drive shaft 15. When rotating in the opposite direction, the teeth of the one-way gear 14 will retract into the interior of the one-way gear 14 under the action of the drive shaft 15, so that the power of the one-way gear 14 cannot be transmitted to the drive shaft 15. A rivet adjuster 16 is provided on the outside of the drive shaft 15. The rivet adjuster 16 is fixedly connected to the outer shell.

[0025] Furthermore, the straightening zone 2 includes multiple straightening wheels 21, multiple fixing rods 22 rotatably connected to the straightening wheels 21, and multiple fixing seats 23 fixed to the outer casing. The curved surface of each straightening wheel 21 is designed to be concave to prevent the welding wire from slipping off. Each fixing rod 22 has a second elastic element 25 connected below it. The second elastic element 25 and the fixing rod 22 are disposed in the cavity of the fixing seat 23. The elastic force of the second elastic element 25 is much less than the range that the welding wire can withstand; this is to prevent the welding wire from breaking due to excessive elasticity, which would affect production. A mounting ear 1 is fixed to the bottom end of a fixed rod 22. A control button 24 is installed on the mounting ear 1. A sliding groove is provided on the fixed base 23 corresponding to the position of the mounting ear 1. A mounting ear 22 is fixed to the top of the sliding groove. The control button 24 is electrically connected to the rivet adjuster 16. The power supply of the rivet adjuster 16 is the same as the driving power source of the wire feeding device. When the control button 24 is pressed, the fixed rivet 162 of the rivet adjuster 16 will retract inward. Conversely, when the control button 24 is released, the fixed rivet 162 of the rivet adjuster 16 will release outward.

[0026] In summary, when the wire feeder is feeding wire normally, if a small amount of excess welding wire appears, the elastic element 25 of the straightening zone 2, which was originally contracted, will spring back, causing the welding wire passing through the straightening roller 21 to change from its original straight path to an S-shaped path. This stores the excess welding wire by increasing the path length. In subsequent use, the welding wire stored in the straightening zone 2 will be consumed under the action of traction force and friction force in the welding wire storage zone 1, thus not affecting the next use (in the entire text, the elastic force of the elastic element 25 is less than the minimum elastic force of the take-up reel 12, less than the friction force of the resistance sleeve 13, less than the maximum elastic force of the take-up reel 12, and less than the welding wire traction force). When a large amount of excess welding wire appears... When the wire is being wound, all the elastic elements 25 in the straightening zone 2 are fully released, causing the control button 24 on the mounting ear 1 to be pressed by the mounting ear 2, so that the rivet adjuster 16 no longer fixes the drive shaft 15, allowing the elastic potential energy in the take-up reel 12 to be released quickly. Under the action of the resistance sleeve 13 and inertia, the wire spool 11 recycles the excess wire. After recycling, the elastic element 25 is compressed again, the control button 24 is released, and the fixing rivet 162 locks the drive shaft 15 again. Since the frictional force is greater than the elastic force at this time, the wire spool 11 can drive the take-up reel 12 to rotate, thereby storing elastic potential energy and preparing it for the next use.

[0027] In addition, a wire feeding area 3 is also provided on one side of the correction area 2. The wire feeding area 3 includes a drive gear 31, multiple main gears 32 hinged to the drive gear 31, and multiple auxiliary gears 34 hinged one-to-one with the main gears 32. The drive gear 31 is fixedly connected to a motor commonly used in wire feeders, thereby providing power to this wire feeder. A main wire feeding wheel 33 is fixed to one side of each main gear 32, and an auxiliary wire feeding wheel 35 is fixed to one side of each auxiliary gear 34. A rubber ring is fitted on the outside of each main wire feeding wheel 33 and auxiliary wire feeding wheel 35. The use of rubber rings can eliminate the need for replacement in conventional wire feeders. When using welding wire of the same size, the operation of adjusting the shims is required, which can effectively prevent wire slippage during feeding. The rubber ring of the main wire feeding wheel 33 is in close contact with the rubber ring of the corresponding auxiliary wire feeding wheel 35. This setting can effectively increase the adhesion of the rubber ring to the welding wire, thereby preventing wire slippage in the wire feeding area 3 during wire feeding. Each rubber ring is made of soft rubber to accommodate welding wires of different sizes, giving the wire feeder high adaptability. Each rubber ring has a roughened layer on its surface to further increase the friction between the rubber ring and the welding wire, preventing wire slippage and enabling the device to feed wire evenly.

[0028] like Figure 5 The rivet adjuster 16 includes an adjuster housing 161 and a fixing rivet 162. One end of the fixing rivet 162 is connected to an elastic element 163, and one end of the elastic element 163 is connected to an electromagnet 164. The electromagnet 164 is magnetic when energized and non-magnetic when de-energized. The fixing rivet 162 is made of magnetic material. Both the elastic element 163 and the electromagnet 164 are located in the cavity of the adjuster housing 161. When the electromagnet 164 is energized, it is magnetic, and the fixing rivet 162 will retract into the adjuster housing 161. When the electromagnet 164 is de-energized, it is non-magnetic, and the fixing rivet 162 will extend out of the adjuster housing 161 under the action of the elastic element 163.

[0029] In addition, the inner wall of the resistance sleeve 13 is in close contact with the outer wall of the take-up reel 12, and both the inner wall of the resistance sleeve 13 and the outer wall of the take-up reel 12 are provided with a rough layer. The above-mentioned arrangement is conducive to the resistance sleeve 13 and the take-up reel 12 having better friction, so that the wire feeding device can operate normally.

[0030] Second implementation method:

[0031] Please see Figure 2 and Figure 6Unlike the first implementation method, a fixed disk 17 is sleeved on the outside of the drive shaft 15, and multiple permanent magnets 18 are fixed around the periphery of the fixed disk 17. The magnetic poles of adjacent permanent magnets 18 are arranged in opposite directions. The outer shell of the winding reel 12 is made of conductive metal, and the fixed disk 17 is fixed to the outer shell. With the above arrangement, Lenz's law can be used to achieve the effect of repelling and retaining. The effect of Lenz's law can be increased by increasing the magnetism of the permanent magnets 18 or increasing the number of them. Alternatively, the shell of the winding reel 12 can be made of a metal with better conductivity to increase the effect of Lenz's law.

[0032] In summary, the first embodiment requires good friction between the resistance sleeve 13 and the take-up reel 12. During long-term use, the resistance sleeve 13 needs maintenance or replacement. To extend the device's lifespan, the resistance sleeve 13 can be replaced with a fixed disc 17 fixed to the outer casing. When the take-up reel 12 rotates, the permanent magnet 18 on the fixed disc 17 applies a reaction force to the take-up reel 12, achieving the aforementioned effect and solving the problem of needing to maintain or damage the resistance sleeve 13. However, since the reaction force applied by the permanent magnet 18 varies at different rotational speeds of the take-up reel 12, the drive motor control capability of the second embodiment is higher than that of the first embodiment.

[0033] In light of current practical needs, the above-described embodiments adopted in this application are not limited to these. Any changes made within the scope of knowledge possessed by those skilled in the art without departing from the concept of this application still fall within the protection scope of this utility model.

Claims

1. A wire feeding device for welding steel structures, characterized in that, It includes a shell, a welding wire storage area (1), and a straightening area (2); The welding wire storage area (1) includes a welding wire spool (11), a take-up spool (12) connected to the rotating shaft of the welding wire spool (11), and a one-way gear (14) connected to the rotating shaft of the take-up spool (12). A resistance sleeve (13) is sleeved on the outside of the take-up spool (12), and the resistance sleeve (13) is fixedly connected to the welding wire spool (11). A drive shaft (15) is sleeved on the outside of the one-way gear (14), and a rivet adjuster (16) is provided on the outside of the drive shaft (15). The rivet adjuster (16) is fixedly connected to the outer shell. The correction area (2) includes multiple correction wheels (21), multiple fixed rods (22) rotatably connected to the correction wheels (21), and multiple fixed seats (23) fixed to the outer shell. Each fixed rod (22) is connected to an elastic element (25) below it. The elastic element (25) and the fixed rod (22) are arranged in the cavity of the fixed seat (23). One of the fixed rods (22) has a mounting ear fixed at its bottom end. A control button (24) is installed on the mounting ear. The fixed seat (23) has a groove corresponding to the position of the mounting ear. A mounting ear is fixed at the top of the groove. The control button (24) is electrically connected to the rivet adjuster (16).

2. The wire feeding device for steel structure welding according to claim 1, characterized in that, A wire feeding area (3) is also provided on one side of the correction area (2). The wire feeding area (3) includes a drive tooth (31), a plurality of main gears (32) hinged to the drive tooth (31), and a plurality of auxiliary gears (34) hinged to the plurality of main gears (32) one by one. A main wire feeding wheel (33) is fixed on one side of each main gear (32), and an auxiliary wire feeding wheel (35) is fixed on one side of each auxiliary gear (34). A rubber ring is sleeved on the outside of each main wire feeding wheel (33) and auxiliary wire feeding wheel (35).

3. The wire feeding device for steel structure welding according to claim 2, characterized in that, The rubber ring of the main wire feeding wheel (33) is in close contact with the rubber ring of the corresponding auxiliary wire feeding wheel (35). Each rubber ring is made of soft rubber and has a rough layer on its surface.

4. The wire feeding device for steel structure welding according to claim 1, characterized in that, The rivet adjuster (16) includes an adjuster housing (161) and a fixed rivet (162). One end of the fixed rivet (162) is connected to an elastic element (163), and one end of the elastic element (163) is connected to an electromagnet (164). The fixed rivet (162) is made of magnetic material. The elastic element (163) and the electromagnet (164) are both disposed in the cavity of the adjuster housing (161).

5. The wire feeding device for steel structure welding according to claim 1, characterized in that, The inner wall of the resistance sleeve (13) is in close contact with the outer wall of the winding reel (12), and both the inner wall of the resistance sleeve (13) and the outer wall of the winding reel (12) are provided with a rough layer.

6. The wire feeding device for steel structure welding according to claim 1, characterized in that, A fixed disk (17) is sleeved on the outside of the drive shaft (15). Multiple permanent magnets (18) are fixed around the fixed disk (17). The magnetic poles of adjacent permanent magnets (18) are arranged oppositely. The outer shell of the winding reel (12) is made of conductive metal. The fixed disk (17) is fixed to the outer shell.

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