CN204321440U - A kind of double steel pipe assembly welding equipment - Google Patents

Abstract

The utility model discloses a double-station steel pipe component welding equipment, which comprises a base body, a positioning device, a tightening device and a welding torch assembly. The welding torch assembly has an active welding torch mechanism for welding a flange at one end and a steel pipe body. And a slave welding torch mechanism for welding between the flange at the other end and the steel pipe body. The dual-station steel pipe assembly welding equipment of the utility model can respectively carry out welding at the two ends of the two flanges and the two ends of the steel pipe body at the same time by setting the active welding torch and the driven welding torch, so as to realize one-time clamping and simultaneous welding of two stations, ensuring The consistency of the welding parameters at both ends of the high-pressure welded steel pipe is improved, the welding quality and production efficiency are improved, and the difficulty of quality control is reduced.

Description

A double-station steel pipe component welding equipment

technical field

The utility model belongs to the technical field of welding equipment, in particular, the utility model relates to a double-station steel pipe component welding equipment.

Background technique

The traditional high-pressure steel pipe assembly is mainly composed of steel pipe body and flanges at both ends, and the welding equipment adopts single-station and single-torch welding. Single station single torch welding, after welding one end, re-clamp and then weld the other end. Welding with a single station and a single welding torch requires two clamping of the workpiece and two weldings. The welding efficiency is low. Due to the error of the two clampings, the repeatability of the welding is low and the welding parameters and status will change each time, resulting in the welding quality at both ends of the same product. Inconsistency, waste of welding protection back gas, high production cost, etc.

The high-pressure steel pipe components used in the construction machinery industry have high welding requirements, and many welding hidden dangers are difficult to find in the follow-up process inspection process, especially the welding quality problems of hydraulic steel pipes of some important components will lead to safety accidents. Since there are many parameters affecting the welding of steel pipes, unnecessary influences during the welding process should be minimized. In response to the above requirements, it is mainly reflected in reducing the inconsistency affecting the welding parameters at both ends of the high-pressure steel pipe and ensuring the consistency of the welding quality of the entire product.

In order to overcome the above-mentioned problems, it is necessary to develop new equipment for simultaneous welding of double-station welding of high-pressure steel pipes with the same parameters.

Utility model content

The utility model provides a double-station steel pipe component welding equipment, aiming at improving product quality and production efficiency.

In order to achieve the above purpose, the technical solution adopted by the utility model is: a double-station steel pipe assembly welding equipment, the steel pipe assembly is composed of a steel pipe body and flanges at both ends, and the welding equipment includes:

body;

The positioning device is arranged on the machine body and is used for positioning the flange at one end of the steel pipe body;

The tightening device is arranged on the machine body and is used for tightening the flange at the other end of the steel pipe body, and makes the flanges at both ends clamp the steel pipe body in the middle; and

The welding torch assembly has an active welding torch mechanism for welding the flange at one end and the steel pipe body and a driven welding torch mechanism for welding the flange at the other end and the steel pipe body.

The clamping device is in sliding connection with the body.

The clamping device includes a tailstock arranged on the machine body, a clamping cylinder arranged on the tailstock and a thimble connected with the clamping cylinder and able to move horizontally.

The positioning device includes a rectangular positioning block. One side of the positioning block is provided with a central positioning shaft that cooperates with the central hole of the flange and a limit pin that cooperates with the mounting hole of the flange. The other side of the positioning block is provided with a There is a clamping shaft for chucking that is coaxial with the centering shaft.

The active welding torch mechanism includes a welding torch base on the body, a slide rail on the top surface of the welding torch base, a horizontal adjuster on the slide rail, a vertical adjuster on the welding torch base, a vertical adjustment The welding torch clamp block on the torch, the active welding torch clamped by the welding torch clamp block, and the feed cylinder located on the base of the welding torch and located on one side of the slide rail. The piston rod of the feed cylinder is connected with the level adjuster for pushing the level adjustment The device moves along the slide rail.

The driven welding torch mechanism includes a welding torch base on the body, a slide rail on the top surface of the welding torch base, a horizontal adjuster on the slide rail, a vertical adjuster on the welding torch base, a vertical adjuster on the vertical The welding torch clamp block on the regulator, the driven welding torch clamped by the welding torch clamp block, and the feed cylinder which is arranged on the base of the welding torch and located on one side of the slide rail, the piston rod of the feed cylinder is connected with the level adjuster for pushing The level adjuster moves along the slide rails.

The double-station steel pipe assembly welding equipment also includes a material holding device located between the clamping device and the positioning device and used to support the steel pipe body.

The supporting device includes a supporting base arranged on the body, a bracket located above the supporting base and two bearings arranged on the bracket, the axes of the two bearings are in the same horizontal plane, and The axes of the two bearings are parallel, and the gap between the two bearings is smaller than the diameter of the steel pipe body.

The length direction of the bracket and the support base is parallel, and a vertical adjustment screw for adjusting the height of the bracket is also provided between the bracket and the support base.

A guide rod is respectively arranged on both sides of the vertical adjustment screw, the guide rod is parallel to the vertical adjustment screw, the upper end of the guide rod is connected with the bracket, and the lower end passes through the through hole provided on the support base.

The dual-station steel pipe component welding equipment of the utility model can weld the two flanges and the two ends of the steel pipe body at the same time by setting the active welding torch and the driven welding torch, so as to realize one-time clamping and simultaneous welding of two stations, ensuring The consistency of the welding parameters at both ends of the high-pressure welded steel pipe is improved, the welding quality and production efficiency are improved, and the difficulty of quality control is reduced.

Description of drawings

This manual includes the following drawings, the contents shown are:

Fig. 1 is a structural schematic diagram of the utility model double-station steel pipe assembly welding equipment;

Fig. 2 is the structural representation of positioning device;

Fig. 3 is the structural representation of material supporting device;

Fig. 4 is a structural schematic diagram of an active welding torch mechanism;

Fig. 5 is a structural schematic diagram of a driven welding torch mechanism;

Fig. 6 is the structural representation of flange;

Labeled in the figure:

1. Jacking cylinder; 2. Thimble; 3. Tailstock; 4. Active welding torch mechanism; 41. Slide rail; 42. Welding torch base; 43. Horizontal regulator; 44. Vertical regulator; 45. Welding torch clamp block; 46. Feed cylinder; 47. Active welding torch; 5. Driven welding torch mechanism; 51. Slide rail; 52. Welding torch base; 53. Horizontal regulator; 54. Vertical regulator; 55. Welding torch clamp block; 56. Feed Cylinder; 57, active welding torch; 6, positioning device; 61, positioning block; 62, central positioning shaft; 63, limit pin; 64, clamping shaft; 7, body; 8, driving motor; 9, chuck; 10 , welding torch power supply; 11, steel pipe body; 12, flange; 121, rectangular block; 122, connecting pipe; 123, installation hole; 13, supporting device; 131, bearing; 132, bracket; 133, vertical adjustment screw; 134, supporting base; 135, guide bar.

Detailed ways

Next, with reference to the accompanying drawings, through the description of the embodiments, the specific implementation of the present utility model will be further described in detail, the purpose is to help those skilled in the art to have a more complete, accurate and in-depth understanding of the concept and technical solutions of the present utility model , and contribute to its implementation.

As shown in Figures 1 to 5, the utility model provides a double-station steel pipe assembly welding equipment, the steel pipe assembly is composed of a steel pipe body 11 and flanges 12 at both ends, the steel pipe body 11 is a round pipe, as shown in Figure 6 Shown as the structure of the flange 12, the flange 12 includes a rectangular block 121 and a connecting pipe 122 arranged at the center of the side of the rectangular block 121 for connecting with the steel pipe body 11, the rectangular block 121 is provided with the connecting pipe 122 coaxial and There is a through central hole and four installation holes 123 distributed in a rectangular shape around the connecting pipe 122 , and the installation holes 123 are respectively located at four corners of the rectangular block 121 .

As shown in FIGS. 1 to 5 , the welding equipment includes a body, a positioning device 6 , a clamping device, a welding torch, a chuck 9 and a supporting device 13 and the like.

The positioning device 6 is arranged on the machine body 7 and is used for positioning the flange 12 at one end of the steel pipe body 11 .

The tightening device is arranged on the body 7, and is used for tightening the flange 12 located at the other end of the steel pipe body 11, and makes the flanges 12 at both ends clamp the steel pipe body 11 in the middle, and the two ends of the steel pipe body 11 can be embedded It is positioned in the connecting pipe 122 of the flange 12 to ensure that the steel pipe body 11 can rotate synchronously with the flange 12.

The welding torch assembly has an active welding torch mechanism 4 for welding the flange 12 at one end and the steel pipe body 11 and a slave welding torch mechanism 5 for welding the flange 12 at the other end and the steel pipe body 11 .

As shown in Figure 2, the positioning device 6 includes a rectangular positioning block 61, on one side of the positioning block 61 is provided with a central positioning shaft 62 that matches the central hole on the flange 12 and is installed with one of the flanges 12. A limit pin 63 is matched with the hole 123 , and the other side of the positioning block 61 is provided with a clamping shaft 64 coaxial with the central positioning shaft 62 for clamping the chuck 9 . The central positioning shaft 62 is located at the central part of the positioning block 61, the central positioning shaft 62 and the limit pin 63 are cylindrical, and a plane is milled on the respective outer circular surfaces, and the positioning shaft and the limit pin 63 are installed. This plane is used for wrench to tighten positioning shaft and limit pin 63.

As shown in Figure 1, the jacking device includes a tailstock 3 arranged on the body 7, a jacking cylinder 1 arranged horizontally on the tailstock 3 and a horizontally movable thimble 2, the thimble 2 is the same as the center positioning shaft 62 shaft, the thimble 2 is connected with the piston rod of the clamping cylinder 1, and the clamping cylinder 1 drives the thimble 2 to move horizontally. The tailstock 3 is movable on the body 7 to facilitate the position adjustment of the thimble 2 .

As shown in Figure 1, a drive motor 8 is provided on one side of the headstock of the body 7, and the drive motor 8 is connected with the main shaft on the chuck 9 through a gear transmission mechanism provided in the head case to drive the main shaft to rotate.

As shown in Figure 3, the supporting device 13 is arranged on the machine body and is located between the jacking device and the positioning device 6. The supporting device 13 is used to support the steel pipe body 11 below the steel pipe body 11 to improve the stability of the steel pipe body 11. sex. The supporting device 13 includes a supporting base 134 fixed on the machine body, a bracket 132 above the supporting base 134 and two bearings 131 arranged on the bracket 132 . The bracket 132 is located below the steel pipe body 11, and the top of the bracket 132 has a groove for accommodating the bearing 131. The axes of the two bearings 131 are in the same horizontal plane and parallel to the axis of the steel pipe body 11. A part of the two bearings 131 Protrude upwards from the groove of bracket 132, the gap between two bearings 131 is less than the diameter of steel pipe body 11, thereby can support steel pipe body 11 below steel pipe body 11, form the support to steel pipe body 11. The length direction of bracket 132 and supporting material base 134 is parallel, and between bracket 132 and supporting material base 134, also be provided with the vertical adjustment screw rod 133 that is used to adjust the height of bracket 132, this vertical adjustment screw rod 133 is vertical setting, The upper end is connected with the bracket 132 , and the lower end is connected with the supporting base 134 , and the vertical adjustment screw 133 is located at the middle position between the bracket 132 and the supporting base 134 in the length direction. When the height of the two bearings 131 needs to be adjusted, the bracket 132 can be lifted up and down by turning the vertical adjustment screw 133, so that the height can be adjusted to meet the requirements of steel pipe bodies 11 with different pipe diameters. In addition, a guide rod 135 is respectively provided on both sides of the vertical adjustment screw 133, the guide rod 135 is parallel to the vertical adjustment screw 133, the upper end of the guide rod 135 is connected with the bracket 132, and the lower end passes through the bracket 134 provided on the support base 134. through hole.

As shown in Figure 4, the active welding torch mechanism 4 includes a welding torch base 43 fixed on the body, a slide rail 41 located on the top surface of the welding torch base 43, a level adjuster 42 located on the slide rail 41, and a level adjuster 42 located on the welding torch base 43. The vertical adjuster 44, the welding gun clamp block 45 located on the vertical adjuster 44, the active welding gun 47 clamped by the welding gun clamp block 45, and the feeding cylinder 46 located on the welding gun base 43 and on the side of the slide rail 41, The slide rail 41 is arranged along the length direction of the welding torch base 43, and the piston rod of the feeding cylinder 46 is connected with the level adjuster 42 for pushing the level adjuster 42 to move along the slide rail 41, through the level adjuster 42, the vertical adjustment The device 44 adjusts the position of the active welding gun 47 to meet the needs of the welding position. During welding, the feed cylinder 46 feeds the active welding gun 47 to the position to be welded.

As shown in Figure 5, the specific structure of the driven welding torch is: which parts are included and the connection relationship between the parts, etc., please provide a supplementary description for the inventor

As shown in Figure 5, the structure of the driven welding torch mechanism 5 is basically the same as that of the active welding torch mechanism 4. The driven welding torch mechanism 5 includes a welding torch base 53 fixed on the body, a slide rail 51 on the top surface of the welding torch base 53, The horizontal adjuster 52 that is located on the slide rail 51, the vertical adjuster 54 that is located on the welding torch base 53, the welding torch clamping block 55 that is located on the vertical adjuster 54, the driven welding torch 57 that is clamped by the welding torch clamping block 55 and Be located on the welding torch base 53 and be positioned at the feed cylinder 56 of slide rail 51 one side, slide rail 51 is arranged along the length direction of welding torch base 53, the piston rod of feed cylinder 56 is connected with level adjuster 52, is used for promoting The horizontal adjuster 52 moves along the slide rail 51, adjusts the position of the driven welding torch 57 by the horizontal adjuster 52 and the vertical adjuster 54 to meet the needs of the welding position. During welding, the feeding cylinder 56 feeds the driven welding torch 57 to position to be welded.

As shown in FIG. 1 , the welding torch base 43 of the active welding gun mechanism 4 and the welding torch base 53 of the driven welding torch mechanism 5 are respectively arranged on one side of the support base 134 and parallel to the length direction of the support base 134 . Moreover, the active welding torch mechanism 4 and the driven welding torch mechanism 5 are powered by the welding torch power supply 10 .

The utility model has been exemplarily described above in conjunction with the accompanying drawings. Apparently, the specific implementation of the present invention is not limited by the above methods. As long as the various insubstantial improvements made by adopting the method concept and technical solution of the present utility model; within the scope of protection.

Claims (10)

1. a double steel pipe assembly welding equipment, steel pipe assembly is made up of the flange at steel pipe body and two ends, and it is characterized in that, described welding equipment comprises:

Body;

Positioner, is arranged on body, and for positioning the flange being positioned at described steel pipe body one end;

Holding device, is arranged on body, and for holding out against the flange being positioned at the steel pipe body other end, and make two ends flange clamping be positioned at middle steel pipe body; And

Welding gun assembly, has active welding gun mechanism for welding with steel pipe body the flange of wherein one end and for the flange of the other end and the driven welding gun mechanism of welding between steel pipe body.

2. double steel pipe assembly welding equipment according to claim 1, is characterized in that: described holding device and described body are for being slidably connected.

3. double steel pipe assembly welding equipment according to claim 1 and 2, is characterized in that: described holding device comprises the tailstock be located on described body, be located on tailstock hold out against cylinder and with hold out against cylinder and be connected and the thimble that can move horizontally.

4. double steel pipe assembly welding equipment according to claim 3, it is characterized in that: described positioner comprises the locating piece of rectangle, one side of locating piece is provided with the centralized positioning axle coordinated with the centre bore of described flange and the spacer pin coordinated with the installing hole of flange, and the another side of locating piece is provided with the clamp shaft for clamping chuck coaxial with centralized positioning axle.

5. double steel pipe assembly welding equipment according to claim 4, it is characterized in that: described active welding gun mechanism comprises the welding gun base be located on described body, the slide rail being located at welding gun base top surface, the level governor be located on slide rail, the vertical adjusting device be located on welding gun base, the welding gun fixture block be located on vertical adjusting device, the active welding gun clamped by welding gun fixture block and to be located on welding gun base and to be positioned at the feeding cylinder of slide rail side, the piston rod of feeding cylinder is connected with level governor, moves along slide rail for promoting level governor.

6. double steel pipe assembly welding equipment according to claim 5, it is characterized in that: described driven welding gun mechanism comprises the welding gun base be located on described body, the slide rail being located at welding gun base top surface, the level governor be located on slide rail, the vertical adjusting device be located on welding gun base, the welding gun fixture block be located on vertical adjusting device, the driven welding gun clamped by welding gun fixture block and to be located on welding gun base and to be positioned at the feeding cylinder of slide rail side, the piston rod of feeding cylinder is connected with level governor, moves along slide rail for promoting level governor.

7. double steel pipe assembly welding equipment according to claim 6, is characterized in that: also to comprise between described holding device and described positioner and material-supporting device for holding described steel pipe body.

8. double steel pipe assembly welding equipment according to claim 7, it is characterized in that: described material-supporting device comprises the retainer base be located on described body, is positioned at the bracket above retainer base and is located at two bearings on bracket, the axis of two bearings is in same level, and with the axis being parallel of steel pipe body, the gap between two bearings is less than the diameter of steel pipe body.

9. double steel pipe assembly welding equipment according to claim 8, is characterized in that: the length direction of described bracket and described retainer base parallels, is also provided with the vertical adjusting screw rod for bracket height between bracket and retainer base.

10. double steel pipe assembly welding equipment according to claim 9, it is characterized in that: be also respectively equipped with a guide post in the both sides of described vertical adjusting screw rod, guide post is parallel with vertical adjusting screw rod, the upper end of guide post is connected with described bracket, and lower end is through the through hole that described retainer base is arranged.