CN219484633U - Welding wire guiding mechanism and welding device - Google Patents

Abstract

The utility model discloses a welding wire guiding mechanism and a welding device, wherein the welding wire guiding mechanism is arranged between a welding wire reel and a welding wire feeding mechanism and used for guiding welding wires, the welding wire guiding mechanism comprises a protective cover, a bearing and a guiding pipe, the protective cover is provided with a movable cavity, two ends of the protective cover are provided with a butt joint opening and a mounting opening which are communicated with the movable cavity, and the butt joint opening is used for butt joint with the welding wire reel; the bearing is arranged in the mounting port; one end of the guide tube is sleeved in the inner ring of the bearing, the other end of the guide tube passes through the butt joint port for welding wires to pass through, and the welding wires pass through the guide tube and the mounting port to be in butt joint with the welding wire feeding mechanism. According to the utility model, the welding wire moves towards the welding wire feeding mechanism along the guide pipe, so that bending or knotting of the welding wire can be effectively prevented, friction between the welding wire and a part is avoided, friction can be effectively reduced by the bearing, the rotating smoothness of the guide pipe is improved, and normal operation of the welding wire guiding mechanism is effectively ensured.

Description

Welding wire guiding mechanism and welding device

Technical Field

The utility model relates to the technical field of welding tools, in particular to a welding wire guiding mechanism and a welding device.

Background

In welding with wire, the wire on the spool needs to be sent to a welding gun for power welding. Because the welding wire is on the spool is located in the multiturn winding, when welding operation, the welding wire draws from the spool, and the welding wire is easy to rub with the spool, and still can appear the condition of knoing when drawing out the speed too fast, leads to welding operation unable normal clear.

In the conventional wire guide mechanism technology, a feed roller rotated by a motor or the like and a pressure roller facing the feed roller are disposed inside a wire feeding device. A wire guide is mounted between the wire supply source and the wire feeder. The wire guide device is a cylindrical member, a feed hole is formed in the inner diameter portion, and a tapered portion is formed on the wire supply source side of the feed hole. The welding wire is pulled out from the wire supply source, is clamped and pressurized by the feed roller and the pressure roller through the feed hole of the wire guide device, and is led out to the welding torch, and when the welding wire is pulled out from the supply source, the welding wire is easily bent or knotted when being butted with the wire guide device due to the high pulling speed of the welding wire, and the welding wire is easily rubbed with peripheral components to increase resistance, thereby influencing the supply of the welding wire.

Accordingly, there is a need to provide a new wire guiding mechanism that solves the above-mentioned problems.

Disclosure of Invention

The utility model mainly aims to provide a welding wire guiding mechanism, which aims to solve the problems of high failure rate and low welding wire feeding efficiency of the existing welding wire guiding mechanism.

In order to achieve the above purpose, the welding wire guiding mechanism provided by the utility model is arranged between a welding wire reel and a welding wire feeding mechanism, the welding wire guiding mechanism comprises a protecting cover, a bearing and a guiding pipe, the protecting cover is provided with a movable cavity, the bottom of the protecting cover is provided with a butt joint communicated with the movable cavity, and the bearing is arranged on the top wall of the protecting cover; the protective cover is arranged on the welding wire reel; the two ends of the guide tube are respectively a first end and a second end, the first end of the guide tube is sleeved in the inner ring of the bearing and is exposed out of the bearing, the second end of the guide tube passes through the butt joint opening and is arranged right opposite to the welding wire reel, and the guide tube is used for allowing welding wires to pass through so that the welding wires are in butt joint with the welding wire feeding mechanism.

Optionally, the inner wall of stand pipe is equipped with a plurality of barbs, the barb is followed the radial orientation of stand pipe the first end slope, a plurality of the barb cooperation is in order to centre gripping welding wire.

Optionally, one end of the guide tube away from the bearing is provided with a guide section, and the second end of the guide section is gradually expanded along the direction away from the bearing.

Optionally, the bearing comprises a bearing seat and a rotating shaft, the bearing seat is mounted on the protection cover, the rotating shaft is rotationally connected with the bearing seat, the guide pipe penetrates through the rotating shaft, and the guide pipe is fixedly connected with the rotating shaft.

Optionally, the mounting hole with the activity chamber intercommunication has been seted up to the roof of safety cover, the bearing frame includes seat and lower seat, seat and lower seat sets up respectively the opposite both sides of the roof of safety cover, just seat, lower seat with the roof passes through the fastener to be connected, the pivot rotate set up in the mounting hole.

Optionally, the movable cavity is tapered along a direction of the butt joint pointing to the mounting hole.

Optionally, the wire reel includes urceolus, inner tube and around locating the welding wire in the inner tube outside, the urceolus cover is located the welding wire outside, wire guiding mechanism still includes the clamp plate, the clamp plate install in the inner tube with between the urceolus, the clamp plate with form the gap space that supplies the welding wire to pass through between the inner tube.

Optionally, the guide tube is a nylon tube.

Optionally, the protective cover is a transparent cover.

In addition, the utility model also provides a welding device which comprises a welding machine, a welding wire feeding mechanism and the welding wire guiding mechanism, wherein the welding machine is in butt joint with the welding wire feeding mechanism, and the welding wire feeding mechanism pulls welding wires to pass through the welding wire guiding mechanism to be in butt joint with the welding machine.

In the technical scheme of the utility model, an operator pulls the welding wire out of the welding wire reel, sequentially passes through the guide tube and the bearing, and then is in butt joint with the welding wire feeding mechanism, and during welding operation, the welding wire feeding mechanism pulls the welding wire out of the welding wire reel, and the welding wire moves towards the welding wire feeding mechanism along the guide tube, so that the welding wire can be effectively prevented from being bent or knotted, the normal feeding of the welding wire is ensured, and the friction between the welding wire and a part is avoided; meanwhile, the guide tube is sleeved on the inner ring of the bearing, friction of the bearing can be effectively reduced, the rotating smoothness of the guide tube is improved, the welding wire is not easy to bend when the welding wire drives the guide tube to rotate, normal operation of the welding wire guide mechanism is effectively ensured, the failure rate is reduced, and the feeding efficiency of the welding wire is improved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of an installation of a wire guiding mechanism in accordance with an embodiment of the present utility model;

fig. 2 is a cross-sectional view of a guide tube in an embodiment of the present utility model.

Reference numerals illustrate:

reference numerals	Name of the name	Reference numerals	Name of the name
				100	Welding wire guiding mechanism	22	Rotating shaft
10	Protective cover	30	Guide tube
				11	Movable cavity	31	Guide section
12	Interface to interface	32	Barbs with barbs
				13	Mounting opening	40	Pressing plate
20	Bearing	200	Outer cylinder
				21	Bearing pedestal	300	Inner cylinder

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In addition, the technical solutions of the embodiments of the present utility model may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, the combination of the technical solutions should be considered as not existing, and not falling within the scope of protection claimed by the present utility model.

The utility model provides a welding wire guiding mechanism, which aims to solve the problem of low feeding efficiency of the existing welding wire guiding mechanism.

As shown in fig. 1, in an embodiment of the present utility model, a wire guiding mechanism 100 is disposed between a wire reel and a wire feeding mechanism, the wire guiding mechanism 100 includes a protecting cover 10, a bearing 20 and a guiding tube 30, the protecting cover 10 is provided with a movable cavity 11, and a docking port 12 communicating with the movable cavity 11 is provided at the bottom of the protecting cover 10, and the docking port 12 is used for docking with the wire reel; the bearing 20 is mounted on the top wall of the protective cover 10; the protective cover 10 is covered on the welding wire reel; the two ends of the guide tube 30 are respectively a first end and a second end, the first end is sleeved in the inner ring of the bearing 20 and is exposed out of the bearing 20, the second end passes through the butt joint port 12 and is opposite to the welding wire reel, and welding wire passes through the guide tube 30 to be in butt joint with the welding wire feeding mechanism. The operator pulls the welding wire out of the welding wire reel, sequentially passes through the guide tube 30 and the bearing 20, and then is in butt joint with the welding wire feeding mechanism, and during welding operation, the welding wire feeding mechanism pulls the welding wire out of the welding wire reel, and the welding wire moves towards the welding wire feeding mechanism along the guide tube 30, so that the welding wire can be effectively prevented from being bent or knotted, the normal feeding of the welding wire is ensured, and the friction between the welding wire and a part is avoided; meanwhile, the guide tube 30 is sleeved on the inner ring of the bearing 20, friction of the bearing 20 can be effectively reduced, the rotating smoothness of the guide tube 30 is improved, the welding wire is not easy to bend when the welding wire drives the guide tube 30 to rotate, normal operation of the welding wire guide mechanism 100 is effectively ensured, the failure rate is reduced, and the feeding efficiency of the welding wire is improved.

The edge of the wire reel is provided with a mounting groove, the shape of the butt joint 12 is matched with that of the outer barrel 200, and the edge of the butt joint 12 is limited in the mounting groove. The edge of the interface 12 is limited in the mounting groove, so that the protective cover 10 is prevented from being deviated or falling in the operation process, and the welding wire and the guide tube 30 are exposed, thereby easily injuring the personal safety of operators.

In a preferred embodiment, the inner wall of the guide tube 30 is provided with a plurality of barbs 32, the barbs 32 being inclined toward the first end in the radial direction of the guide tube 30, the plurality of barbs 32 cooperating to retain the welding wire. When the welding operation is stopped, the welding wire is easy to slide back, and the barbs 32 in the guide tube 30 can be matched to clamp the welding wire, so that the welding wire is prevented from sliding back to be separated from the guide tube 30, repeated threading operation of the welding wire by operators is avoided, and the work load of the operators is reduced; and the barbs 32 also provide good shock absorption to the welding wire during the welding operation.

Based on the above embodiment, the second end is provided with the guide section 31, and the guide section 31 is gradually widened along the direction away from the bearing 20. When the welding wire passes through the guide tube 30, the gradually-expanding guide section 31 plays a guide role, the inner wall of the welding wire to be guided section 31 stretches into the guide tube 30 and moves along the guide tube 30 towards the direction close to the bearing 20, and when the welding wire passes through the bearing 20 to be in butt joint with the welding wire feeding mechanism for welding machine consumption, the welding wire feeding mechanism pulls the welding wire out of the welding wire reel for welding machine consumption, so that the welding wire is timely supplemented, and the welding efficiency is improved.

In addition, the bearing 20 includes a bearing housing 21 and a rotating shaft 22, the bearing housing 21 is mounted at the edge of the mounting opening 13, and the rotating shaft 22 is rotatably connected with the bearing housing 21. The guide tube 30 is mounted on the bearing 20, and when the wire feeding device pulls the welding wire, the welding wire drives the guide tube 30 to rotate, and the bearing 20 enables the guide tube 30 to rotate more flexibly and smoothly, so that the wire feeding efficiency is improved. A lubrication cavity is formed between the rotating shaft 22 and the bearing seat 21, and an operator can supplement lubricating oil into the lubrication cavity periodically, so that the service life of the bearing 20 is prolonged, and the maintenance of the bearing 20 is more convenient.

Further, the top wall of the protective cover 10 is provided with a mounting hole communicated with the movable cavity 11, the bearing seat 21 comprises an upper seat and a lower seat, the upper seat and the lower seat are respectively arranged on two opposite sides of the top wall of the protective cover, the upper seat, the lower seat and the top wall are connected through fasteners, and the rotating shaft 22 is rotatably arranged in the mounting hole. The upper seat is arranged on the top wall of the mounting hole, the lower seat is arranged on the bottom of the mounting hole, the upper seat is connected with the lower seat through a fastener, the rotating shaft 22 is rotatably arranged in the mounting hole, a channel for the guide tube 30 to pass through is arranged on the rotating shaft 22, one end of the guide tube 30 is arranged in the channel and exposed out of the channel, and the other end of the guide tube is opposite to the welding wire reel. The guide tube 30 rotates in the mounting hole through the rotation shaft 22 so that the welding wire can be smoothly drawn out, thereby ensuring the feeding efficiency of the welding wire.

Further, the movable cavity 11 is tapered along the direction of pointing the butt joint 12 to the mounting hole. The movable cavity 11 is gradually expanded from the butt joint 12 to the direction of the mounting hole, so that the guide tube 30 can be limited to a certain extent, and the guide tube 30 is lifted upwards by centripetal force during feeding operation, so that the welding wire is bent, and smooth guiding-out of the welding wire is not facilitated.

In one embodiment, the wire reel comprises an outer cylinder 200, an inner cylinder 300 and a welding wire wound on the outer side of the inner cylinder 300, the outer cylinder 200 is sleeved on the outer side of the welding wire, the wire guiding mechanism 100 further comprises a pressing plate 40, the pressing plate 40 is installed between the inner cylinder 300 and the outer cylinder 200, and a gap space for the welding wire to pass through is formed between the pressing plate 40 and the inner cylinder 300. The welding wire passes through the gap space and is led out through the guide tube 30, the pressing plate 40 is arranged between the inner cylinder 300 and the outer cylinder 200, the condition that the welding wire is separated from the inner cylinder 300 in a plurality of turns when the welding wire feeding mechanism pulls the welding wire can be effectively prevented, the length of pulling the welding wire is controlled, the welding wires are prevented from being mutually wound or knotted, and the normal operation of the welding wire guiding mechanism 100 is guaranteed.

Further, the guide tube 30 is a nylon tube. The nylon material has good toughness, wear resistance and excellent self-lubricating property, can resist repeated impact shock and is easy to process and form. Thereby the pipe body of nylon material can play fine guard action, and long service life.

Wherein the protective cover 10 may be a transparent cover. The protection cover 10 can not only prevent the wire guiding mechanism 100 from being influenced by external factors, but also ensure the operation safety of operators, and the transparent cover is convenient for the operators to intuitively observe the feeding condition of the welding wire so as to timely check the fault of the wire guiding mechanism 100, thereby ensuring the feeding efficiency of the welding wire.

In one embodiment, the utility model also includes a welding apparatus comprising a welder, a wire feed mechanism, and a wire guide mechanism 100 as described above, the welder interfacing with the wire feed mechanism, the wire feed mechanism pulling wire through the wire guide mechanism 100 to interface with the welder. The wire feeding mechanism is used for providing the welding wire for the welding machine, the wire guiding mechanism 100 is arranged between the wire reel and the wire feeding device and used for preventing the welding wire from bending or knotting when being led out, in actual operation, the wire feeding mechanism pulls the welding wire to be led out from the wire guiding mechanism 100, and meanwhile, the welding wire is conveyed to the welding machine, so that the welding wire can be supplemented in time, and the welding efficiency is improved.

Since the welding apparatus includes the wire guiding mechanism 100 as described above, the welding apparatus has all the advantageous effects of the wire guiding mechanism 100 described above, and will not be described in detail herein.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims (10)

1. The welding wire guiding mechanism is arranged between the welding wire reel and the welding wire feeding mechanism and is characterized by comprising a protective cover, a bearing and a guiding pipe, wherein the protective cover is provided with a movable cavity, the bottom of the protective cover is provided with a butt joint communicated with the movable cavity, and the bearing is arranged on the top wall of the protective cover; the protective cover is arranged on the welding wire reel; the two ends of the guide tube are respectively a first end and a second end, the first end is sleeved in the inner ring of the bearing and is exposed out of the bearing, the second end passes through the butt joint opening and is arranged opposite to the welding wire reel, and the guide tube is used for allowing welding wires to pass through so that the welding wires are in butt joint with the welding wire feeding mechanism.

2. The welding wire guide mechanism as defined in claim 1, wherein the inner wall of the guide tube is provided with a plurality of barbs, the barbs being inclined toward the first end in a radial direction of the guide tube, the plurality of barbs cooperating to retain welding wire.

3. The welding wire guiding mechanism as defined in claim 1, wherein said second end is provided with a guiding section, said guiding section being arranged in a diverging manner in a direction away from said bearing.

4. The welding wire guiding mechanism as defined in claim 1, wherein the bearing comprises a bearing housing and a rotating shaft, the bearing housing is mounted on the protective cover, the rotating shaft is rotatably connected with the bearing housing, the guiding tube penetrates through the rotating shaft, and the guiding tube is fixedly connected with the rotating shaft.

5. The welding wire guiding mechanism as defined in claim 4, wherein the top wall of the protective cover is provided with a mounting hole communicated with the movable cavity, the bearing seat comprises an upper seat and a lower seat, the upper seat and the lower seat are respectively provided with two opposite sides of the top wall of the protective cover, the upper seat, the lower seat and the top wall are connected through fasteners, and the rotating shaft is rotatably arranged in the mounting hole.

6. The wire guiding mechanism of claim 5, wherein the movable cavity tapers in a direction from the interface toward the mounting hole.

7. The wire guide mechanism as defined in any one of claims 1 to 6, wherein the wire spool includes an outer cylinder, an inner cylinder, and wire wound around the outer cylinder, the outer cylinder being sleeved on the outer side of the wire, the wire guide mechanism further including a pressing plate mounted between the inner cylinder and the outer cylinder, a slit space being formed between the pressing plate and the inner cylinder for passing the wire.

8. The welding wire guiding mechanism as defined in any one of claims 1 to 6, wherein the guiding tube is a nylon tube.

9. The wire guiding mechanism as defined in any one of claims 1 to 6, wherein the protective cover is a transparent cover.

10. A welding device comprising a welder, a wire feed mechanism, and a wire guide mechanism as claimed in any one of claims 1 to 9, the welder interfacing with the wire feed mechanism, the wire feed mechanism pulling wire through the wire guide mechanism to interface with the welder.