CN220011653U

CN220011653U - Paying-off device for welding wire

Info

Publication number: CN220011653U
Application number: CN202321428414.5U
Authority: CN
Inventors: 刘俊杰; 田锦高; 赵金贵
Original assignee: Hangzhou Lin'an Dayang Welding Material Co ltd
Current assignee: Hangzhou Lin'an Dayang Welding Material Co ltd
Priority date: 2023-06-06
Filing date: 2023-06-06
Publication date: 2023-11-14
Anticipated expiration: 2033-06-06

Abstract

The utility model discloses a paying-off device for welding wires, which comprises a base, a tray and a rotating drum, wherein the tray is connected with the base through a rotating rod and a bearing, a bracket is arranged at the front end of the tray, a group of rotating guide wheels are symmetrically arranged at the top end of the bracket, and a locking structure is arranged at the outer side of the rotating rod; the locking structure comprises an iron piece fixed with the bottom surface of the tray and an electromagnet arranged on the top surface of the base, and the electromagnet is electrified and magnetically attracted with the iron piece to lock the tray. According to the utility model, the electromagnet is provided with stronger magnetic attraction after being electrified, and the iron piece is adsorbed, so that the iron piece can be locked, the effect of locking the rotating tray and the rotating drum is further achieved, the autorotation condition of the tray and the rotating drum under the inertia effect is reduced, and the friction loss can be reduced due to the magnetic attraction between the electromagnet and the iron piece, so that the service life of the whole locking structure is prolonged while the good locking effect is ensured.

Description

Paying-off device for welding wire

Technical Field

The utility model relates to the technical field of wire paying-off, in particular to a wire paying-off device for a welding wire.

Background

When the welding wire is processed, the welding wire needs to be paid off, so that the related processing work of the welding wire is facilitated. However, when the welding wire is paid off, if the paying off is stopped, the paying-off cylinder can continue to rotate due to the rotation of inertia, so that the welding wire is loose, and the follow-up use is not facilitated.

For this purpose, chinese patent: a flux-cored wire pay-off unit with application number CN202122065798.6, which discloses: the supporting rod is pushed by the push rod motor, the sliding sleeve slides along the guide rod, the sliding sleeve pushes the push rod, the sliding block pushes the fixing block and the fixing rod, the limiting plate pushes the rotating rod to abut against the fixing rod, the rotating rod is rapidly stopped, and inertial rotation of the rotating rod is avoided.

However, the device increases resistance to inertial rotation of the rotating rod by contact friction between the limiting plate and the rotating rod, so that abrasion of the limiting plate is easy to be increased after long-time use, and friction resistance between the limiting plate and the rotating rod is gradually reduced after long-time friction is formed on the surface of the limiting plate, so that locking effect is difficult to be achieved.

For this reason, we propose a pay-off device for welding wire to solve the above-mentioned problems.

Disclosure of Invention

The utility model aims to provide a paying-off device for welding wires, which aims to solve the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the paying-off device for the welding wire comprises a base, a tray and a rotating drum, wherein the tray is connected with the base through a rotating rod and a bearing, a bracket is arranged at the front end of the tray, a group of rotating guide wheels are symmetrically arranged at the top end of the bracket, and a locking structure is arranged on the outer side of the rotating rod and used for preventing the tray from rotating;

the locking structure comprises an iron piece fixed with the bottom surface of the tray and an electromagnet arranged on the top surface of the base, and the electromagnet is electrified and magnetically attracted with the iron piece to lock the tray.

In a further embodiment, the top end of the shaft rod of the guide wheel is connected with a torque sensor, the upper surface of the base is also provided with a controller, the output end of the controller is electrically connected with the electromagnet, and the input end of the controller is electrically connected with the torque sensor.

In a further embodiment, the iron member and the electromagnet each have a ring-shaped structure.

In a further embodiment, the electromagnet is connected with the base through a plurality of uniformly distributed springs.

In a further embodiment, a plurality of rotating balls are mounted on the outer edge of the tray, and annular tracks are arranged on the upper surface of the base in the symmetrical area with the balls.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the electromagnet is provided with stronger magnetic attraction after being electrified, and the iron piece is adsorbed, so that the iron piece can be locked, the effect of locking the rotating tray and the rotating drum is further achieved, the autorotation condition of the tray and the rotating drum under the inertia effect is reduced, and the friction loss can be reduced due to the magnetic attraction between the electromagnet and the iron piece, so that the service life of the whole locking structure is prolonged while the good locking effect is ensured.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a partial cross-sectional structure of a tray and base assembly of the present utility model;

fig. 3 is a schematic view of the electromagnet and spring mounting bottom view of the present utility model.

In the figure: 1. a base; 2. a tray; 21. a ball; 3. a rotating drum; 4. a bracket; 5. a guide wheel; 6. a torque sensor; 7. a controller; 8. an iron piece; 9. an electromagnet; 10. a spring; 11. a rotating rod; 12. a bearing; 13. a track.

Detailed Description

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.

Referring to fig. 1-2, a paying-off device for welding wires comprises a base 1, a tray 2 is arranged above the base 1, a rotary drum 3 is fixed above the tray 2, the axes of the tray 2 and the rotary drum 3 are mutually overlapped, the tray 2 and the base 1 are connected through a rotating rod 11 and a bearing 12, an outer shaft bush of the bearing 12 is fixed with the inner wall of the base 1, one end of the rotating rod 11 is coaxially fixed with the tray 2, the other end of the rotating rod 11 is inserted into an inner bearing bush of the bearing 12 and is fixedly connected with the inner bearing bush, so that the tray 2 and the rotary drum 3 can be driven to rotate when the rotating rod 11 rotates relative to the bearing 12, a door-shaped support 4 is arranged at the front end of the tray 2, a group of rotatable guide wheels 5 are symmetrically arranged at the top end of the support 4, welding wires pass through the space between the two guide wheels 5, the surfaces of the guide wheels 5 are contacted with the welding wires, and then the welding wires are guided, and when external force pulls the welding wires, friction force between the welding wires and the guide wheels 5 are utilized to rotate.

Referring to fig. 2, in order to improve smoothness and stability of rotation of the tray 2 and the drum 3 when the welding wire is pulled by an external force, a plurality of balls 21 capable of rotating relative to the tray 2 are mounted below an outer edge of the tray 2, a region of an upper surface of the base 1 corresponding to the balls 21 is provided with a ring-shaped track 13 with a protruding edge and a recessed middle part, the track 13 can limit a rolling direction of the balls 21, and the balls 21 can further improve supporting strength of the edge of the tray 2 to the welding wire.

Referring to fig. 2, considering that after the welding wire loses traction, the tray 2 and the drum 3 may continue to rotate under the action of inertia, a locking structure is disposed on the outer side of the rotating rod 11, the locking structure includes an iron member 8 fixed to the bottom surface of the tray 2 and an electromagnet 9 mounted on the top surface of the base 1, and after the electromagnet 9 is electrified, the electromagnet can be magnetically attracted with the iron member 8 to lock the tray 2.

Referring to fig. 1-2, in order to achieve the effect of automatic locking, a torque sensor 6 is connected to the top end of a shaft rod of a guide wheel 5, a controller 7 is further mounted on the upper surface of a base 1, an output end of the controller 7 is electrically connected with an electromagnet 9, an input end of the controller 7 is electrically connected with the torque sensor 6, whether the guide wheel 5 is in a rotating state is detected through the torque sensor 6, when a welding wire loses traction force, the guide wheel 5 does not rotate any more, and at the moment, the controller 7 can control the electromagnet 9 to be electrified so as to absorb an iron piece 8.

Referring to fig. 2-3, considering that when the iron piece 8 and the electromagnet 9 are in direct contact, when the tray 2 rotates normally, a certain resistance is easily caused to the tray 2, meanwhile, abrasion of the iron piece 8 and the electromagnet 9 is aggravated, the electromagnet 9 is not in contact with the iron piece 8 under the condition of no power on, the iron piece 8 and the electromagnet 9 are both in an annular structure, the adsorption area is larger and more stable, the electromagnet 9 is connected with the base 1 through a plurality of uniformly distributed springs 10, the electromagnet 9 adsorbs the iron piece 8 after power on, at the moment, the springs 10 stretch, and meanwhile, the tray 2 can drive the iron piece 8 to rotate continuously under the action of inertia, and then the springs 10 are driven to twist until the tray 2 is thoroughly decelerated and stopped, and then the tray 2 can rotate under the drive of the springs 10, so that rotary friction between the iron piece 8 and the electromagnet 9 is further avoided.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. Pay-off for welding wire, including base (1), tray (2) and rotary drum (3), its characterized in that: the tray (2) is connected with the base (1) through a rotating rod (11) and a bearing (12), a bracket (4) is arranged at the front end of the tray (2), a group of rotating guide wheels (5) are symmetrically arranged at the top end of the bracket (4), and a locking structure is arranged on the outer side of the rotating rod (11) and used for preventing the tray (2) from rotating;

the locking structure comprises an iron piece (8) fixed with the bottom surface of the tray (2) and an electromagnet (9) arranged on the top surface of the base (1), and the electromagnet (9) is electrified and magnetically attracted with the iron piece (8) to lock the tray (2).

2. The wire payout device according to claim 1, wherein: the top end of the shaft rod of the guide wheel (5) is connected with a torque sensor (6), a controller (7) is further installed on the upper surface of the base (1), the output end of the controller (7) is electrically connected with the electromagnet (9), and the input end of the controller (7) is electrically connected with the torque sensor (6).

3. The wire payout device according to claim 1, wherein: the iron piece (8) and the electromagnet (9) are of annular structures.

4. The wire payout device according to claim 1, wherein: the electromagnet (9) is connected with the base (1) through a plurality of uniformly distributed springs (10).

5. The wire payout device according to claim 1, wherein: the outer edge of the tray (2) is provided with a plurality of rotating balls (21), and an annular track (13) is arranged in a symmetrical area of the upper surface of the base (1) and the balls (21).