CN213672516U

CN213672516U - Welding auxiliary device

Info

Publication number: CN213672516U
Application number: CN202022513216.1U
Authority: CN
Inventors: 吕自力; 吴煜
Original assignee: Jiangsu World High Tech Agricultural Equipment Co Ltd
Current assignee: Jiangsu World High Tech Agricultural Equipment Co Ltd
Priority date: 2020-11-04
Filing date: 2020-11-04
Publication date: 2021-07-13
Anticipated expiration: 2030-11-04

Abstract

The utility model relates to the technical field of welding, in particular to a welding auxiliary device, including base, support frame, cross universal joint, transmission, drive arrangement and electric cabinet, install the rubber gyro wheel on the support frame and be used for placing the work piece, one end of work piece is connected with the cross universal joint, the cross universal joint passes through transmission and drive arrangement links to each other to rotate under the drive of drive arrangement, drive arrangement rotational speed is adjustable; the electric cabinet is arranged at one end of the base and used for controlling the on-off of the main power supply. The utility model discloses a to assemble needs welded work piece and place on the support frame, work piece one end is connected with the cross universal joint, opens the main power, starts drive arrangement and adjusts the rotational speed of work piece through drive arrangement, adjusts the rotational speed back workman alright with apply the welding, handheld welder keeps motionless, alright accomplish circumference welding or full weld, can reduce welder's intensity of labour, improves the welding seam quality.

Description

Welding auxiliary device

Technical Field

The utility model relates to the field of welding technique, in particular to welding auxiliary device.

Background

The circular welding, the full welding, the tack welding and the like are common welding processes in the welding process, particularly when the circular welding and the full welding are needed, a worker needs to hold a welding gun with one hand and rotate a workpiece with the other hand, the matching of the workpiece rotation speed and the welding speed directly influences the welding quality, however, the manual rotation causes speed unevenness, so that the welding quality is poor, and the process consumes large physical force.

SUMMERY OF THE UTILITY MODEL

The utility model provides a need a handheld welder of workman when carrying out circumference welding or full weld in the correlation technique, must rotate the work piece on the other hand, however, manual rotation causes speed inequality to cause welding quality not good and need consume a large amount of physical problems, provide a welding auxiliary device, the utility model discloses a place the need welded work piece of assembling on the support frame, work piece one end is connected with the cross universal joint, opens the main power, starts drive arrangement and adjusts the rotational speed of work piece through drive arrangement, adjust the rotational speed after workman alright with apply the welding, handheld welder keeps motionless, alright accomplish circumference welding or full weld, can reduce welder's intensity of labour, improve the welding seam quality.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme: a welding auxiliary device comprises a base, a supporting frame, a cross universal joint, a transmission device, a driving device and an electric cabinet, wherein a rubber roller is arranged on the supporting frame and used for placing a workpiece, one end of the workpiece is connected with the cross universal joint, the cross universal joint is connected with the driving device through the transmission device so as to rotate under the driving of the driving device, and the rotating speed of the driving device is adjustable; the electric cabinet is arranged at one end of the base and used for controlling the on-off of the main power supply.

As preferred scheme, the base includes supporting platform and supporting legs, the supporting legs has 4, installs four angles departments below supporting platform.

Preferably, the support frame comprises a bottom plate and a Y-shaped roller mounting plate, and the two rubber rollers are mounted at the upper end of the Y-shaped roller mounting plate of the support frame.

Preferably, the transmission device is a chain transmission device and comprises a driving chain wheel and a driven chain wheel which are connected through a chain, the driven chain wheel is connected with the first connecting shaft through a bearing, and the first connecting shaft is connected with the cross universal joint.

Preferably, the number of the cross universal joints is two, and the two cross universal joints are connected through a second connecting shaft.

Preferably, the driving device is a speed reduction motor, the speed reduction motor is mounted at the other end of the base through a motor frame, and the speed reduction motor is connected with the driving chain wheel.

Preferably, the driving device is a motor, the motor is mounted at the other end of the base through a motor frame, the motor is connected with the driving chain wheel, and the motor is connected with the frequency converter and the rotating speed of the motor is controlled by the frequency converter.

Preferably, the front end of the base is also provided with a proximity switch and a control handle.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a will assemble the needs welded work piece and place on the support frame, work piece one end is connected with the cross universal joint, opens the main power, starts drive arrangement and adjusts the rotational speed of work piece through drive arrangement, the workman can apply the welding after adjusting the rotational speed, handheld welder keeps motionless, can accomplish circumference welding or full weld, can reduce welder's intensity of labour, improve the welding seam quality; the double-cross universal joint has the constant-speed characteristic, so that the rotating speed of the workpiece is the same as the output rotating speed of the transmission device; under the condition of not turning off the main power supply, the starting and the stopping of the transmission device can be controlled, and the device is convenient, rapid and quick.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a front view of the present invention;

FIG. 3 is a schematic view of the connection structure of the supporting frame and the rubber roller of the present invention;

fig. 4 is a schematic view of the connection structure of the driving device, the transmission device and the universal joint.

In the figure:

1. the device comprises a base, 2, a support frame, 3, a cross universal joint, 4, an electric cabinet, 5, rubber rollers, 6, a chain, 7, a driving chain wheel, 8, a driven chain wheel, 9, a bearing, 10, a first connecting shaft, 11, a second connecting shaft, 12, a driving device, 13, a workpiece, 14 and an operating handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and if not stated otherwise, the terms have no special meaning, and therefore, the scope of the present invention should not be construed as being limited.

As shown in fig. 1 to 4, an auxiliary welding device includes a base 1, a support frame 2, a cross universal joint 3, a transmission device, a driving device 12 and an electric cabinet 4, wherein the support frame 2 is mounted on the base 2, the specific number of the support frame 2 can be selected according to the length of a workpiece 13, a rubber roller 5 is mounted on the support frame 2 and used for placing the workpiece 13, one end of the workpiece 13 is connected with the cross universal joint 3, specifically, the cross universal joint 3 can be connected through a bolt or a clamping manner, the cross universal joint 3 is connected with the driving device 12 through the transmission device so as to rotate under the driving of the driving device 12, and the rotating speed of the driving device 12 can be adjusted so as to adjust the rotating speed of the workpiece 13 by adjusting the rotating speed of the driving device 12; the electric cabinet 4 is arranged at one end of the base 1 and used for controlling the on-off of the main power supply.

In one embodiment, the base 1 comprises a support platform and 4 support legs, which are mounted at four corners under the support platform.

In one embodiment, the supporting frame 2 comprises a bottom plate and a Y-shaped roller mounting plate, wherein the supporting frame 2 is fixedly mounted on the supporting platform of the base 1 through the bottom plate and bolts, and the two rubber rollers 5 are mounted at the upper end of the Y-shaped roller mounting plate of the supporting frame 2 and can freely rotate.

In one embodiment, the transmission device is a chain transmission device and comprises a driving sprocket 7 and a driven sprocket 8 which are connected through a chain 6, the driven sprocket 8 is connected with a first connecting shaft 10 through a bearing 9, the first connecting shaft 10 is connected with the cross universal joint 3, wherein a square hole is formed in the supporting platform of the base 1, an L-shaped mounting plate is mounted on the supporting platform on one side of the square hole, the bearing 9 is mounted on the L-shaped mounting plate, and the square hole can be penetrated by the chain 6.

In one embodiment, two universal joint crosses 3 are connected by the second connecting shaft 11, so that the double universal joint cross 3 has a constant velocity characteristic such that the rotation speed of the workpiece 13 is the same as the output rotation speed of the transmission.

In one embodiment, the driving device 12 is a speed reduction motor, which is mounted on the other end of the base 1 through a motor frame, and the speed reduction motor is connected with the driving sprocket 7.

In one embodiment, the front end of the base 1 is also fitted with a proximity switch and a joystick 14 for short start stop transmission.

Example 2

Unlike embodiment 1, in this embodiment, the driving device 12 is a common motor, and the motor is connected to the frequency converter and the rotational speed of the motor is controlled by the frequency converter.

The working principle is as follows:

the assembled workpieces 13 needing to be welded are placed on the support frame 2, one ends of the workpieces 13 are connected with the cross universal joints 3, a main power supply is opened through the electric cabinet 4, the driving device is started, the driving device drives the workpieces 13 to rotate through the transmission device and the cross universal joints 3, the rotating speed of the workpieces 13 is adjusted through the driving device, workers can apply welding after the rotating speed is adjusted, the hand-held welding gun is kept still, circumferential welding or full welding can be completed, the labor intensity of welders can be reduced, and the quality of welding seams is improved.

The above is the preferred embodiment of the present invention, and the technical personnel in the field of the present invention can also change and modify the above embodiment, therefore, the present invention is not limited to the above specific embodiment, and any obvious improvement, replacement or modification made by the technical personnel in the field on the basis of the present invention all belong to the protection scope of the present invention.

Claims

1. A welding assistance device characterized in that: the device comprises a base (1), a support frame (2), a cross universal joint (3), a transmission device, a driving device (12) and an electric cabinet (4), wherein a rubber roller (5) is installed on the support frame (2) and used for placing a workpiece (13), one end of the workpiece (13) is connected with the cross universal joint (3), the cross universal joint (3) is connected with the driving device (12) through the transmission device, so that the cross universal joint rotates under the driving of the driving device (12), and the rotating speed of the driving device (12) is adjustable; the electric cabinet (4) is arranged at one end of the base (1) and used for controlling the on-off of the main power supply.

2. The welding assistance device of claim 1, wherein: the base (1) comprises a supporting platform and 4 supporting legs, and the supporting legs are arranged at four corners below the supporting platform.

3. The welding assistance device of claim 1, wherein: the supporting frame (2) comprises a bottom plate and a Y-shaped roller mounting plate, and the rubber rollers (5) are mounted at the upper end of the Y-shaped roller mounting plate of the supporting frame (2).

4. The welding assistance device of claim 1, wherein: the transmission device is chain transmission and comprises a driving chain wheel (7) and a driven chain wheel (8) which are connected through a chain (6), the driven chain wheel (8) is connected with a first connecting shaft (10) through a bearing (9), and the first connecting shaft (10) is connected with a cross universal joint (3).

5. The welding assistance device of claim 1, wherein: the two cross universal joints (3) are connected through a second connecting shaft (11).

6. The welding assistance device of claim 1, wherein: the driving device (12) is a speed reducing motor, the speed reducing motor is installed at the other end of the base (1) through a motor frame, and the speed reducing motor is connected with the driving chain wheel (7).

7. The welding assistance device of claim 1, wherein: the driving device (12) is a motor, the motor is installed at the other end of the base (1) through a motor frame, the motor is connected with the driving chain wheel (7), and the motor is connected with the frequency converter and the rotating speed of the motor is controlled by the frequency converter.

8. The welding assistance device of claim 1, wherein: the front end of the base (1) is also provided with a proximity switch and an operating handle (14).