CN211305154U

CN211305154U - Auxiliary device

Info

Publication number: CN211305154U
Application number: CN201922052882.7U
Authority: CN
Inventors: 李继欣; 何正文; 焦金明
Original assignee: CRRC Datong Co Ltd
Current assignee: CRRC Datong Co Ltd
Priority date: 2019-11-25
Filing date: 2019-11-25
Publication date: 2020-08-21
Anticipated expiration: 2029-11-25

Abstract

The present disclosure provides an auxiliary device, which includes a guide rail, a support frame, a driving mechanism and a welding gun clamping mechanism. The guide rail is detachably fixed on an object to be welded; the support frame is in sliding fit with the guide rail and is provided with a first guide wheel and a second guide wheel which are respectively in sliding fit with two opposite surfaces of the guide rail; the driving mechanism is in transmission connection with the second guide wheel and is configured to drive the second guide wheel; the welding gun clamping mechanism is connected with the support frame; the auxiliary device is configured to clamp the welding gun by using the welding gun clamping mechanism, so that the welding gun moves linearly along the guide rail along with the support frame. Consequently this auxiliary device that openly provided can combine the semi-automatization function of welding carriage with manual welding's advantage to reduction in production cost has improved the welding quality of welding seam, has reduced workman intensity of labour, reduces the requirement to operator skill level simultaneously.

Description

Auxiliary device

Technical Field

The utility model relates to a semi-mechanized welding technology field especially relates to an auxiliary device.

Background

At present, there are three main ways of welding a long straight weld by using gas metal arc welding: welding by a welding robot, welding by a trolley and manual welding. The welding robot has the advantages of high production efficiency, good welding quality and good weld forming, but needs large occupied space, higher equipment purchase and maintenance cost and much larger needed capital investment than the other two modes. Under the working condition that the guide rail of the welding tractor can be horizontally placed, the welding tractor is better than manual welding in production efficiency, welding quality, welding seam forming and the like when being used for welding long and straight welding seams on vertical surfaces, but the welding tractor and the wire feeding mechanism are heavy in weight and easily fall off in the working process, equipment is damaged, and potential safety hazards are brought to operators. When the vertical long straight welding line is welded manually, the required equipment investment is small, the potential safety hazard is small, but the welding quality and the forming state of the welding line are limited by the skill level of an operator, the number of welding line joints is large, and the production efficiency is low.

SUMMERY OF THE UTILITY MODEL

It is a primary object of the present disclosure to overcome at least one of the above-mentioned drawbacks of the prior art and to provide an auxiliary device that reduces production costs and improves the welding quality of a weld.

In order to achieve the purpose, the following technical scheme is adopted in the disclosure:

according to one aspect of the present disclosure, an auxiliary device is provided that includes a guide rail, a support frame, a drive mechanism, and a torch clamping mechanism. The guide rail is detachably fixed on an object to be welded; the supporting frame is in sliding fit with the guide rail and is provided with a first guide wheel and a second guide wheel which are respectively in sliding fit with two opposite surfaces of the guide rail; a drive mechanism drivingly connected to the second idler and configured to drive the second idler; the welding gun clamping mechanism is connected to the support frame; wherein the auxiliary device is configured to clamp a welding gun by using the welding gun clamping mechanism, so that the welding gun moves linearly along the guide rail along with the support frame.

According to one embodiment of the present disclosure, a first mounting hole is formed in an upper portion of the support frame, the first guide wheel is detachably mounted in the first mounting hole, and a contact surface between the support frame and the first guide wheel is U-shaped.

According to one embodiment of the present disclosure, a support is disposed on a lower portion of the support frame, a second mounting hole is disposed on the support, the second guide wheel is detachably mounted in the second mounting hole, the second guide wheel is disposed on an inner side of the support, and the driving mechanism is disposed on the support.

According to one embodiment of the present disclosure, the welding gun clamping mechanism includes a fixing member, a connecting rod, and a welding gun clamping ring. The fixing piece is arranged at one end of the welding gun clamping mechanism and is connected with the support frame; the connecting rod is detachably connected with the supporting frame through the fixing piece; a torch clamping ring is disposed at the other end of the torch clamping mechanism, the torch clamping ring configured to secure the torch.

According to one embodiment of the present disclosure, the auxiliary device further includes a guiding mechanism, which is disposed on the supporting frame and includes a guiding wheel, and the guiding wheel is slidably guided on the surface of the object to be welded, and the guiding wheel is located at the lower side of the guiding rail.

According to one embodiment of the present disclosure, the guiding mechanism is perpendicular to the supporting frame, and the guiding mechanism is perpendicular to the welding gun clamping mechanism.

According to one embodiment of the present disclosure, the guide mechanism includes a guide frame and an auxiliary wheel. One end of the guide frame is connected with the support frame; the auxiliary wheel is arranged at the other end of the guide frame.

According to one embodiment of the present disclosure, an adjusting rod is disposed on the supporting frame, and the adjusting rod is configured to adjust a pressure between the second guide wheel and the guide rail.

According to one embodiment of the present disclosure, the guide rail is detachably fixed to the object to be welded by a fixing base, the fixing base including: the fixing frame is fixed on the base body and provided with a through hole, and the guide rail penetrates through the through hole and is connected with the fixing seat.

According to one embodiment of the present disclosure, the driving mechanism is a dc adjustable speed motor.

According to the technical scheme, the auxiliary device provided by the disclosure has the advantages and positive effects that:

the utility model provides an auxiliary device, it slides on the guide rail to drive the second guide pulley through actuating mechanism, further make first guide pulley slide on the guide rail, because the slip of first guide pulley and second guide pulley, thereby make the support frame along the guide rail motion, the welder fixture centre gripping welder who is connected with the support frame is making rectilinear motion along the guide rail, thereby can weld out long straight weld, consequently the auxiliary device that this disclosure provided can combine the semi-automatization function of welding tractor with manual welding's advantage, thereby reduction in production cost, the welding quality of welding seam has been improved, workman intensity of labour has been reduced, reduce the requirement to operator skill level simultaneously.

Drawings

Various objects, features and advantages of the present disclosure will become more apparent from the following detailed description of preferred embodiments thereof, when considered in conjunction with the accompanying drawings. The drawings are merely exemplary illustrations of the disclosure and are not necessarily drawn to scale. In the drawings, like reference characters designate the same or similar parts throughout the different views. Wherein:

FIG. 1 is a schematic diagram illustrating the construction of an auxiliary device according to an exemplary embodiment;

FIG. 2 is a schematic view of a rail coupled to a mount according to an exemplary embodiment;

FIG. 3 is a schematic structural view of the supporting frame;

FIG. 4 is a schematic view of a first idler;

FIG. 5 is a schematic structural view of a guide mechanism;

fig. 6 is a schematic structural view of the torch holding mechanism.

The reference numerals are explained below:

100. a guide rail;

200. a fixed seat;

201. a base body;

202. a fixed mount;

300. a support frame;

301. a support;

302. a support;

303. adjusting a rod;

400. a first guide wheel;

500. a drive mechanism;

600. a guide mechanism;

601. an auxiliary wheel;

602. a guide frame;

700. a welding gun clamping mechanism;

701. a fixing member;

702. a connecting rod;

703. a welding gun clamping ring;

800. and a second guide wheel.

Detailed Description

Exemplary embodiments that embody features and advantages of the present disclosure are described in detail below in the specification. It is to be understood that the disclosure is capable of various modifications in various embodiments without departing from the scope of the disclosure, and that the description and drawings are to be regarded as illustrative in nature, and not as restrictive.

In the following description of various exemplary embodiments of the disclosure, reference is made to the accompanying drawings, which form a part hereof, and in which are shown by way of illustration various exemplary structures, systems, and steps in which aspects of the disclosure may be practiced. It is to be understood that other specific arrangements of parts, structures, example devices, systems, and steps may be utilized, and structural and functional modifications may be made without departing from the scope of the present disclosure. Moreover, although the terms "over," "between," "within," and the like may be used in this specification to describe various example features and elements of the disclosure, these terms are used herein for convenience only, e.g., in accordance with the orientation of the examples described in the figures. Nothing in this specification should be construed as requiring a specific three dimensional orientation of structures in order to fall within the scope of this disclosure.

Referring to fig. 1, there is representatively illustrated an auxiliary device which is presented in this disclosure and which is capable of embodying the principles of the present invention. In the exemplary embodiment, the auxiliary device proposed in the present disclosure is explained by taking an example of application to welding a long straight weld. Those skilled in the art will readily appreciate that many modifications, additions, substitutions, deletions, or other changes may be made to the specific embodiments described below in order to apply the relevant designs of the present disclosure to other types of welding techniques or other processes, and such changes are within the scope of the principles of the auxiliary devices set forth in the present disclosure.

As shown in fig. 1, in the present embodiment, fig. 1 is a schematic structural diagram of an auxiliary device according to an exemplary embodiment. Referring to fig. 2 to 6, fig. 2 representatively illustrates a schematic structural view of a connection between a guide rail and a fixing base, which can embody the principles of the present disclosure; FIG. 3 is a schematic structural view of the supporting frame; FIG. 4 is a schematic view of a first idler; FIG. 5 is a schematic structural view of a guide mechanism; FIG. 6 is a schematic view of a torch clamping mechanism; the structure, connection mode and functional relationship of the main components of the auxiliary device proposed by the present disclosure are described in detail below with reference to the above drawings.

As shown in fig. 1, in the present embodiment, the auxiliary device includes a fixing base 200, a guide rail 100, a support frame 300, a first guide wheel 400, a second guide wheel 800, a driving mechanism 500, and a torch clamping mechanism 700. Guide rail 100 is detachably fixed to an object to be welded, and support frame 300 is in sliding fit with guide rail 100, and support frame 300 has first guide wheel 400 and second guide wheel 800, and first guide wheel 400 and second guide wheel 800 are in sliding fit with two opposite surfaces of guide rail 100 respectively. The driving mechanism 500 is in transmission connection with the second guide wheel 800, the driving mechanism 500 is used for driving the second guide wheel 800, and the auxiliary device is used for clamping a welding gun by using the welding gun clamping mechanism 700, so that the welding gun moves linearly along the guide rail 100 along with the support frame 300. First guide wheel 400 is detachably mounted on the upper portion of support frame 300, and first guide wheel 400 is slidably disposed on guide rail 100. The second guide wheel 800 is detachably mounted on the lower portion of the supporting frame 300, and the second guide wheel 800 is slidably disposed under the guide rail 100. The driving mechanism 500 is connected with the second guide wheel 800, and the driving mechanism 500 is used for driving the second guide wheel 800 to move on the guide rail 100; the torch clamping mechanism 700 is connected to the bottom of one side of the support frame 300. Through the slip of actuating mechanism 500 drive second guide pulley 800 on guide rail 100, further make first guide pulley 400 slide on guide rail 100, because the slip of first guide pulley 400 and second guide pulley 800, thereby make support frame 300 along the guide rail motion, the welder clamping mechanism 700 centre gripping welder who is connected with support frame 300 is making linear motion along the guide rail, thereby can weld out long straight weld, therefore the auxiliary device that this disclosure provided can combine the semi-automatization function of welding tractor with manual welding's advantage, thereby reduction in production cost, the welding quality of welding seam has been improved, workman intensity of labour has been reduced simultaneously and the requirement to operator skill level is reduced.

Further, as shown in fig. 1, 3 and 4, in the present embodiment, the supporting frame 300 includes a bracket 301, a support 302 and an adjusting lever 303. Two first mounting holes are formed in the upper portion of support frame 300, two first guide wheels 400 are detachably mounted in the two first mounting holes, and the contact surfaces of support frame 300 and two first guide wheels 400 are in a U shape. The profile of first idler 400 is provided with a groove matching the diameter of rail 100. Two first guide wheels 400 can increase the stability of the connection between the support frame 300 and the guide rail 100, and can more effectively drive the support frame 300 to slide along the guide rail 100. In other embodiments, the number of first guide wheels 400 is not limited to two, and may be one, or two or more. In the case of a first idler 400, the amount of idlers can be reduced, thereby reducing costs. If the number of the guide wheels is more than two, the sliding stability of the support frame 300 can be further enhanced.

Further, as shown in fig. 1 and 3, in the present embodiment, a support base 302 is provided at a lower portion of the support frame 300, a second mounting hole is provided in the support base 302, a second guide wheel 800 is detachably mounted in the second mounting hole, the second guide wheel 800 is provided inside the support base 302, and the driving mechanism 500 is provided on the support base 302. The profile of second guide wheel 800 is provided with the recess that matches with guide rail 100 diameter, and under the drive of actuating mechanism 500, second guide wheel 800 walks along the guide rail to drive whole support frame 300 and slide along the guide rail.

Further, as shown in fig. 1 and 6, in the present embodiment, the torch clamping mechanism 700 includes a fixture 701, a connection rod 702, and a torch clamp 703. The fixing member 701 is disposed at one end of the welding gun clamping mechanism 700, and the fixing member 701 is connected to the support frame 300. The connecting rod 702 is detachably connected with the supporting frame 300 through a fixing part 701; the torch clamping ring 703 is provided at the other end of the torch clamping mechanism 700, and the torch clamping ring 703 is used to fix a welding torch. The welding gun clamping and clamping mechanism can play a role in fixing the welding gun and adjusting the position of the welding gun.

Further, as shown in fig. 1 and 5, in the present embodiment, the auxiliary device further includes a guide mechanism 600, the guide mechanism 600 is disposed on the support frame 300 and includes a guide wheel, and the guide wheel is slidably guided on the surface of the object to be welded, and the guide wheel is located at the lower side of the guide rail 100. The guide mechanism 600 can improve the stability of the movement of the support frame 300 along the guide rail 100, and further improve the accuracy of the welding seam of the welding gun. In other embodiments, the guiding mechanism 600 may be disposed on the top or bottom of the other side of the supporting frame 300, and the position of the guiding mechanism 600 only needs to be sufficient to enhance the stability of the supporting frame 300.

Further, as shown in fig. 1 and 5, the auxiliary device further includes a guide mechanism 600, in this embodiment, the guide mechanism 600 is perpendicular to the support frame 300, and the guide mechanism 600 is perpendicular to the torch clamping mechanism 700. Guiding mechanism 600 can set up with support frame 300 is perpendicular to make guiding mechanism 600 can the perpendicular contact face of weld, with this stability of having guaranteed guiding mechanism 600 motion, and then make welder can weld the long straight weld of punishment. In other embodiments, the guide mechanism 600 may not be perpendicular to the support frame 300 for different welding seam requirements, and the movement track of the welding seam welded by the welding gun is further changed by the inclined arrangement of the guide mechanism 600.

Further, as shown in fig. 1 and 5, based on the design that the auxiliary device further includes a guide mechanism 600, the guide mechanism 600 includes a guide frame 301 and an auxiliary wheel 601. One end of the guide frame 301 is connected with the support frame 300, and the auxiliary wheel 601 is mounted at the other end of the guide frame 301. The guiding mechanism 600 can enable the driving mechanism 500 to drive the second roller to stably operate on one hand, and can fix the distance from the welding gun to the welding seam on the other hand, so as to fix the dry extension of the welding wire in the welding process.

Further, as shown in fig. 1 and 3, in the present embodiment, the adjusting rod 303 is disposed on the supporting frame 300, and according to the length and height of the welding seam during the welding process, the pressure between the second guide wheel 800 and the guide rail can be adjusted by the adjusting rod 303, so that the movement track of the driving mechanism 500 driving the second guide wheel 800 is changed, thereby meeting the requirements of different welding seams.

Further, as shown in fig. 1 and 2, in the present embodiment, the guide rail 100 is detachably fixed to an object to be welded by the fixing base 200, the number of the fixing bases 200 is two, and the fixing base 200 includes: the welding fixture comprises a base body 201 and a fixing frame 202, wherein the base body 201 is detachably fixed on an object to be welded, the fixing frame 202 is fixed on the base body 201, the fixing frame 202 is provided with a through hole, and the guide rail 100 penetrates through the through hole to be connected with the fixing base 200. The through hole is a stepped cylinder, the diameter of the part for connection at the two ends is similar to the inner diameter of the guide rail 100, and the diameter of the middle part is similar to the outer diameter of the guide rail 100. In other embodiments, the number of the fixing seats 200 may be two or more, so as to meet the requirement of different weld lengths.

Further, as shown in fig. 1, in the present embodiment, the driving mechanism 500 is a dc adjustable speed motor. The direct-current adjustable-speed motor can meet the requirements of welding various welding seams and further enhance the stability of operation. In other embodiments, the driving mechanism 500 may be another type of motor, and is not limited to the embodiment.

It should be noted that the operation process of the auxiliary device proposed by the present disclosure should be as follows: firstly, fixing a guide rail 100 according to the length and the position of a welding seam to be welded; secondly, the pressure of the guide wheel is adjusted by screwing the pressure adjusting rod 303; thirdly, fixing the welding gun on the auxiliary device, and adjusting the position of the welding gun; and fourthly, welding.

It should be noted here that the following description, which is illustrated in the accompanying drawings and described in the present specification, describes in detail the structure, connection manner, and functional relationship of each main component of the auxiliary device proposed by the present disclosure, in conjunction with the above-mentioned drawings. The construction, manner of connection, and functional relationship of the various primary components of the auxiliary device as contemplated by the present disclosure will now be described in detail with reference to the attached drawings, wherein like reference numerals refer to like elements throughout. To a few examples. It should be clearly understood that the principles of the present disclosure are by no means limited to the details of the structure, connection and functional relationship of the main components of the auxiliary device presented in the present disclosure, which are shown in the drawings or described in the present specification below in conjunction with the above-mentioned drawings. The construction, connection and functional relationship of the various main components of the auxiliary device as proposed by the present disclosure are described in detail in any of the details thereof or below in conjunction with the above-described drawings.

In summary, the auxiliary device provided by the present disclosure drives the second guide wheel to slide on the guide rail through the driving mechanism, and further makes the first guide wheel slide on the guide rail, because of the sliding of the first guide wheel and the second guide wheel, the support frame moves along the guide rail, and the welding gun clamping mechanism connected to the support frame clamps the welding gun to move linearly along the guide rail, so that a long straight welding seam can be welded.

The structure, connection mode and functional relationship of the main components of the auxiliary device proposed by the present disclosure are described and/or illustrated in detail below in conjunction with the above-mentioned drawings. Exemplary embodiments of (a). Embodiments of the disclosure are not limited to the specific embodiments described herein, but rather, components and/or steps of each embodiment may be utilized independently and separately from other components and/or steps described herein. Each component and/or step of one embodiment can also be used in combination with other components and/or steps of other embodiments. When introducing elements/components/etc. described and/or illustrated herein, the articles "a," "an," and "the" are intended to mean that there are one or more of the elements/components/etc. The terms "comprising," "including," and "having" are intended to be inclusive and mean that there may be additional elements/components/etc. other than the listed elements/components/etc. Furthermore, the terms "first" and "second" and the like in the claims and the description are used merely as labels, and are not numerical limitations of their objects.

While the present disclosure has been described in terms of various specific embodiments, in connection with the above-described drawings, the structure, connection, and functional relationship of the various main components of the auxiliary device proposed by the present disclosure will be described in detail. Having thus described, those skilled in the art will recognize that the invention can be practiced with modification within the spirit and scope of the claims.

Claims

1. An auxiliary device for weld welding, the auxiliary device comprising:

the guide rail is detachably fixed on an object to be welded;

the supporting frame is in sliding fit with the guide rail and is provided with a first guide wheel and a second guide wheel, and the first guide wheel and the second guide wheel are respectively in sliding fit with two opposite surfaces of the guide rail;

a drive mechanism drivingly connected to the second idler and configured to drive the second idler; and

the welding gun clamping mechanism is connected to the support frame;

wherein the auxiliary device is configured to clamp a welding gun by using the welding gun clamping mechanism, so that the welding gun moves linearly along the guide rail along with the support frame.

2. The auxiliary device as claimed in claim 1, wherein the supporting frame is provided with a first mounting hole at an upper portion thereof, the first guide wheel is detachably mounted in the first mounting hole, and a contact surface of the supporting frame and the first guide wheel is U-shaped.

3. The auxiliary device as claimed in claim 1, wherein a support is provided at a lower portion of the support frame, a second mounting hole is provided on the support, the second guide wheel is detachably mounted to the second mounting hole, the second guide wheel is provided inside the support, and the driving mechanism is provided on the support.

4. The accessory of claim 1, wherein the torch clamping mechanism comprises:

the fixing piece is arranged at one end of the welding gun clamping mechanism and is connected with the support frame;

the connecting rod is detachably connected with the supporting frame through the fixing piece;

a torch clamping ring disposed at the other end of the torch clamping mechanism, the torch clamping ring configured to secure the torch.

5. The accessory device of claim 1, further comprising:

and the guide mechanism is arranged on the support frame and comprises a guide wheel, the guide wheel is used for guiding the surface of the object to be welded in a sliding manner, and the guide wheel is positioned on the lower side of the guide rail.

6. Auxiliary device according to claim 5, characterized in that the guiding means is perpendicular to the support frame and the guiding means is perpendicular to the gun holder.

7. An accessory device as claimed in claim 5, wherein the guide means comprises:

one end of the guide frame is connected with the support frame;

and the auxiliary wheel is arranged at the other end of the guide frame.

8. The accessory device of claim 1, further comprising:

the adjusting rod is arranged on the supporting frame and is configured to adjust the pressure between the second guide wheel and the guide rail.

9. Auxiliary device as claimed in claim 1, characterized in that the guide rail is removably fixed to the object to be welded by means of a fixing base comprising:

the base is detachably fixed on the object to be welded; and

the fixing frame is fixed on the seat body and provided with a through hole, and the guide rail penetrates through the through hole and is connected with the fixing frame.

10. An accessory device as claimed in claim 1, in which the drive mechanism is a dc adjustable speed motor.