CN210677484U

CN210677484U - Movable short pipe automatic welding machine

Info

Publication number: CN210677484U
Application number: CN201921117094.5U
Authority: CN
Inventors: 禹小均
Original assignee: Yada Pipeline System Co ltd
Current assignee: Zhejiang Yada Green Energy Technology Co ltd
Priority date: 2019-07-16
Filing date: 2019-07-16
Publication date: 2020-06-05
Anticipated expiration: 2029-07-16

Abstract

The utility model discloses a mobile automatic short pipe welding machine, which comprises a rotating device and a welding device, wherein the rotating device comprises a fixed seat, a turntable and a driving motor are arranged on the fixed seat, and a clamping device is arranged on the turntable; welding set includes welder and mobile device, mobile device includes the stand, is provided with the movable plate of stand longitudinal movement relatively on the stand, is provided with first drive arrangement between stand and the movable plate, is provided with movable plate lateral shifting's removal axle relatively on the movable plate, removes and is provided with second drive arrangement between axle and the movable plate, welder sets up in removing epaxially, the utility model discloses reduce artifical intensity of labour, improve welding efficiency.

Description

Movable short pipe automatic welding machine

Technical Field

The utility model belongs to the welding machine field, more specifically the utility model relates to a portable nozzle stub automatic weld machine that says so.

Background

When producing double-walled pipe, inner tube and outer tube adopt the stainless steel to make usually, need weld the nozzle stub together and form the long tube, and at present, argon arc welds mainly by artifical the completion, and after two pipe fitting spot welding are accomplished, put on can rolling frock by the manual work, then the operative employee rolls pipe fitting once, then welds, rolls again, welds again, repeats this step until the pipe fitting welding is accomplished.

The proposal basically depends on manpower completely, and the labor intensity of operators is high, and the efficiency is not high.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a reduce artifical intensity of labour, improve welding efficiency's portable nozzle stub automatic weld machine.

In order to achieve the above purpose, the utility model provides a following technical scheme: a mobile automatic welding machine for short pipes comprises a rotating device and a welding device, wherein the rotating device comprises a fixed seat, a rotating disc and a driving motor are arranged on the fixed seat, and a clamping device is arranged on the rotating disc; the welding device comprises a welding gun and a moving device, the moving device comprises a stand column, a moving plate which vertically moves relative to the stand column is arranged on the stand column, a first driving device is arranged between the stand column and the moving plate, a moving shaft which transversely moves relative to the moving plate is arranged on the moving plate, a second driving device is arranged between the moving shaft and the moving plate, and the welding gun is arranged on the moving shaft.

Further, the first driving device comprises a first motor and a first speed reducer which are arranged at the top of the stand column, an output shaft of the first speed reducer is connected with a gear, and a chain is arranged between the gear and the moving plate.

The second driving device comprises a second motor and a second speed reducer which are arranged on the moving plate, an output shaft of the second speed reducer is connected with a rubber wheel, and the rubber wheel is extruded on the moving shaft.

And further, the moving plate is connected with the upright post and the moving shaft in a sliding manner.

A first guide plate is vertically arranged on the upright column, and first guide wheels are arranged on the movable plate corresponding to the two transverse sides of the first guide plate; the moving shaft is provided with a second guide plate which is transversely arranged, and the moving plate is provided with second guide wheels corresponding to the vertical two sides of the second guide plate.

And a welding wire wheel and a welding wire guide wheel are further arranged on the movable shaft.

Further the clamping device is a three-jaw chuck.

The support device comprises a support seat, and a pair of support rollers is arranged on the support seat.

Compared with the prior art, the beneficial effects of the utility model are that: after two pipe fitting spot welds and tentatively fixes, on being fixed in the clamping device on the carousel with it, drive its rotary motion through driving motor, simultaneously through the movable plate with remove the axle respectively vertical, lateral shifting makes welder reach the welding position, realize quick welding's purpose, use manpower sparingly greatly, to relatively longer nozzle stub, still can set up strutting arrangement, whole nozzle stub one end is pressed from both sides tightly fixedly by clamping device promptly, the other end is carried between the supporting roller wheel, make the nozzle stub both ends all have the support, it is more stable to revolve round.

Drawings

FIG. 1 is a first three-dimensional structure diagram of the mobile short tube automatic welding machine of the present invention;

FIG. 2 is a second three-dimensional structure diagram of the mobile short tube automatic welding machine of the present invention;

reference numerals: 100. a turning device; 200. a welding device; 11. a fixed seat; 12. a turntable; 13. a drive motor; 14. a three-jaw chuck; 21. a column; 211. a first guide plate; 22. a first driving device; 221. a first motor; 222. a first decelerator; 223. a gear; 224. a chain; 5. moving the plate; 51. a first guide wheel; 52. a second guide wheel; 53. a second driving device; 531. a second motor; 532. a second decelerator; 6. a movable shaft; 611. a second guide plate; 68. a single axis robot; 8. a welding gun; 81. a wire bonding wheel; 82. a welding wire guide wheel; 9. a short pipe.

Detailed Description

The embodiment of the mobile short pipe automatic welding machine of the invention is further explained by referring to fig. 1 and fig. 2.

In the description of the present invention, it should be noted that, for the orientation words, such as the terms "center", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the orientation and the positional relationship are indicated based on the orientation or the positional relationship shown in the drawings, and the description is only for convenience of describing the present invention and simplifying the description, but not for indicating or implying that the device or the element referred to must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific protection scope of the present invention.

Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and "a plurality" or "a plurality" in the description of the invention means two or more unless a specific definition is explicitly provided.

A mobile automatic short pipe welding machine comprises a rotating device 100 and a welding device 200, wherein the rotating device 100 comprises a fixed seat 11, a rotary table 12 and a driving motor 13 are arranged on the fixed seat 11, and a clamping device is arranged on the rotary table 12; the welding device 200 comprises a welding gun 8 and a moving device, the moving device comprises a stand column 211, a moving plate 5 which vertically moves relative to the stand column 211 is arranged on the stand column 211, a first driving device 22 is arranged between the stand column 211 and the moving plate 5, a moving shaft 6 which transversely moves relative to the moving plate 5 is arranged on the moving plate 5, a second driving device 53 is arranged between the moving shaft 6 and the moving plate 5, and the welding gun 8 is arranged on the moving shaft 6.

The rotating device 100 and the welding device 200 can be connected and relatively fixed or are not connected and relatively free of fixed relation, under the condition that the rotating device 100 and the welding device 200 are not connected, the welding device 200 and the rotating device 100 need to be accurately placed before welding, specifically, the length direction of the moving shaft 6 is parallel to the axis of the turntable 12, meanwhile, the end part of the welding gun 8 is positioned above the position where the short pipe is to be fixed, at the moment, the whole welding machine is split into a plurality of parts, and each part can be independently moved and conveniently used; of course, the position of the swivel device 100 and the welding device 200 is also the same.

The welding process is as follows, firstly, two pipe fittings are subjected to spot welding through the manual work to complete primary fixing to form the short pipe 9, then the short pipe 9 is fixed on the clamping device, the transverse position of the moving shaft 6 is adjusted through the second driving device 53, the welding gun 8 is positioned right above a position to be welded, the vertical positions of the moving plate 5 and the moving shaft 6 are adjusted through the second driving device 53, the welding gun 8 is made to contact the position to be welded, the welding gun 8 is started, meanwhile, the driving motor 13 enables the rotary table 12 to rotate, and when the short pipe 9 rotates, the welding gun 8 welds the short pipe 9.

A speed reducer is preferably provided between the drive motor 13 and the turntable 12 in this embodiment.

A vertical single-shaft robot 68 is arranged between the preferred welding gun 8 and the movable shaft 6, the welding gun 8 is an automatic wire feeding welding gun 8 (or an automatic wire feeding welding machine is adopted for wire feeding), the single-shaft robot 68 enables the welding gun 8 to move vertically, and the height of the welding gun 8 can be accurately adjusted through the single-shaft robot 68, namely the distance between the welding gun 8 and a part to be welded is adjusted, so that the welding effect is expected.

The first driving device 22 of the present embodiment preferably includes a first motor 221 and a first reducer 222 disposed on the top of the upright 211, an output shaft of the first reducer 222 is connected with a gear 223, and a chain 224 is disposed between the gear 223 and the moving plate 5.

The chain 224 is tensioned by the gravity of the moving plate 5 and the moving shaft 6, when the height of the welding gun 8 needs to be adjusted, the gear 223 pulls the chain 224 to be folded or unfolded through the driving of the first motor 221, the moving plate 5 is pulled to move upwards along the upright post 211 when the chain 224 is folded, the moving plate 5 naturally moves downwards along the upright post 211 when the chain 224 is unfolded, but the chain 224 is still in a tensioned state, and the chain 224 and the gear 223 are always matched.

Wherein the chain 224 can adopt a single chain 224, that is, the chain 224 has two ends, and in this case, one end of the chain 224 is fixed on the moving plate 5, and the other end naturally hangs down around the gear 223; an endless chain 224 may be used, in which case a guide gear is disposed below the upright 211, the chain 224 is wound around the guide gear, and the moving plate 5 is fixed to the chain 224.

The second driving device 53 of the present embodiment preferably includes a second motor 531 and a second speed reducer 532 disposed on the moving plate 5, and an output shaft of the second speed reducer 532 is connected with a rubber wheel, and the rubber wheel is pressed on the moving shaft 6.

The second motor 531 drives the rubber wheel to rotate, and the rubber wheel drives the moving shaft 6 to move transversely, so that the transverse position of the welding gun 8 is changed.

In this embodiment, the first driving device 22 and the second driving device 53 may also adopt other structures, such as a combination of a motor and a lead screw, or a linear servo motor, and the like, and the specific connection structures thereof are the prior art, and the applicant does not need to describe herein any further.

The preferred moving plate 5 and the stand 211 and the moving shaft 6 of this embodiment are both slidably connected, the sliding side of the moving plate 5 and the stand 211 preferably adopts a dovetail slide rail and dovetail slide groove fit form, the sliding side of the same moving plate 5 and the moving shaft 6 also preferably adopts a dovetail slide rail and dovetail slide groove fit form, specifically, the stand 211 and the moving shaft 6 are both provided with dovetail slide rails, and the moving plate 5 is provided with dovetail slide grooves corresponding to the side surfaces of the stand 211 and the moving shaft 6.

In this embodiment, a structure may also be adopted, in which the upright post 211 is provided with a first guide plate 211 vertically arranged, and the moving plate 5 is provided with first guide wheels 51 corresponding to both lateral sides of the first guide plate 211; the moving shaft 6 is provided with a second guide plate 611 arranged transversely, and the moving plate 5 is provided with second guide wheels 52 corresponding to the two vertical sides of the second guide plate 611.

The two lateral sides of the first guide plate 211 protrude out of the upright post 211, the two vertical sides of the second guide plate 611 protrude out of the moving shaft 6, the first guide wheel 51 and the second guide wheel 52 are V-shaped or U-shaped wheels, and the first guide wheel 51 and the second guide wheel 52 are respectively matched with the first guide plate 211 and the second guide plate 611, as shown in fig. 1, at least two first guide wheels 51 are respectively arranged on the two sides of the first guide plate 211, at least two second guide wheels 52 are respectively arranged on the two sides of the second guide plate 611, when the moving plate 5 can be relatively fixed on the upright post 211 through the first guide wheels 51, the moving plate 5 can only vertically move along the upright post 211, and the second guide wheels 52 can relatively fix the moving shaft 6 on the moving plate 5, so that the moving shaft 6 can only laterally move along the moving plate 5.

In the preferred embodiment, the movable shaft 6 is provided with a wire wheel 81 and a wire guide wheel 82, and the wire is wound around the wire wheel 81 and fed to the welding gun 8 through the wire guide wheel 82.

The preferred clamping device of this embodiment is a three-jaw chuck 14, and the three-jaw chuck 14 has a simple structure and firmly clamps the short pipe 9.

The present embodiment preferably further comprises a supporting device opposite to the swiveling device 100, wherein the supporting device comprises a supporting seat, and a pair of supporting rollers is arranged on the supporting seat.

When welding longer nozzle stub 9, the one end of nozzle stub 9 is fixed in on three-jaw chuck 14, and the other end is taken between two supporting rollers, makes the both ends homoenergetic of nozzle stub 9 fixed, and the supporting rollers also can support and lean on intermediate position department relatively on nozzle stub 9 certainly, and when nozzle stub 9 gyration, its gyration is more stable, avoids taking place the skew phenomenon.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a portable nozzle stub automatic weld machine which characterized in that: the welding device comprises a rotating device and a welding device, wherein the rotating device comprises a fixed seat, a rotating disc and a driving motor are arranged on the fixed seat, and a clamping device is arranged on the rotating disc; the welding device comprises a welding gun and a moving device, the moving device comprises a stand column, a moving plate which vertically moves relative to the stand column is arranged on the stand column, a first driving device is arranged between the stand column and the moving plate, a moving shaft which transversely moves relative to the moving plate is arranged on the moving plate, a second driving device is arranged between the moving shaft and the moving plate, and the welding gun is arranged on the moving shaft.

2. The mobile automatic short pipe welding machine according to claim 1, characterized in that: the first driving device comprises a first motor and a first speed reducer which are arranged at the top of the stand column, an output shaft of the first speed reducer is connected with a gear, and a chain is arranged between the gear and the moving plate.

3. The mobile automatic short pipe welding machine according to claim 1, characterized in that: the second driving device comprises a second motor and a second speed reducer which are arranged on the moving plate, an output shaft of the second speed reducer is connected with a rubber wheel, and the rubber wheel is extruded on the moving shaft.

4. The mobile automatic short pipe welding machine according to claim 1, characterized in that: the moving plate is connected with the upright post and the moving shaft in a sliding mode.

5. The automatic welding machine of mobile short pipes according to any one of claims 1 to 4, characterized in that: the upright post is provided with a first guide plate which is vertically arranged, and the movable plate is provided with first guide wheels corresponding to the two transverse sides of the first guide plate; the moving shaft is provided with a second guide plate which is transversely arranged, and the moving plate is provided with second guide wheels corresponding to the vertical two sides of the second guide plate.

6. The mobile automatic short pipe welding machine according to claim 5, characterized in that: and the moving shaft is provided with a welding wire wheel and a welding wire guide wheel.

7. The mobile automatic short pipe welding machine according to claim 6, characterized in that: the clamping device is a three-jaw chuck.

8. The mobile automatic short pipe welding machine according to claim 1, characterized in that: the supporting device comprises a supporting seat, and a pair of supporting rollers is arranged on the supporting seat.