CN201711682U - Portable perforated connecting pipe and saddle-shaped seam welding integrated machine - Google Patents

Abstract

A portable open-hole pipe joint and saddle-shaped seam welding machine, mainly composed of a hanger (1), a main shaft (2), a rotating disk (3), a welding head (4) and a pipe expansion mechanism (5), Wherein the support portion of the hanger (1) is provided with a magnetic seat (112), and the rotating disk (3) is mainly composed of a large gear (32) fixedly connected with the main shaft (2) and a rotating motor fixedly connected with the outer disc (34). (31) is formed, and the pinion (33) of rotary motor (31) end is meshed with bull gear (32), can realize the circular movement of welding head (4) around main shaft (2) by rotating disk (3); Adjustment mechanisms such as the radial direction, height, attitude, swing, and clamping of the welding torch realize rough and precise positioning of the welding torch (46), satisfying the welding of open-hole connection and saddle-shaped welds. The utility model increases the flexibility of the system, can accurately carry out multi-dimensional motion vector superposition, ensures the quality of the technological process, has a simple and compact structure, low cost, and is easy to use, maintain and repair.

Description

Portable open-hole joint and saddle-shaped seam welding all-in-one machine

technical field

The utility model relates to a saddle-shaped drilling and welding equipment, in particular to a saddle-shaped drilling and welding integrated machine which can be used for multiple purposes.

Background technique

At present, for boilers, pressure vessels, steel pipes and other workpieces, special saddle-shaped pipes with larger diameters (commonly known as main pipes) and small diameter pipes (commonly known as branch pipes) with saddle-shaped grooves are cut, and pressure vessels and steel pipes are butt welded. The automatic bevel cutting machine or the saddle-shaped bevel automatic welding machine are respectively completed. Such equipment is generally bulky, complex in structure, and expensive. In addition to this kind of independent special equipment, there are also multi-purpose machines that can simultaneously complete small main pipe cutting and saddle-shaped groove welding, but such equipment generally uses the design of mechanical mechanisms and parameter coordination to complete the formation of approximate saddle-shaped tracks. It is not high, and the parameters are relatively complicated. When the diameter of the weldment needs to be adjusted when the equipment parameters need to be adjusted, the process is often complicated and the flexibility is poor.

For this reason, it is very necessary to design a portable integrated machine that completes the open-hole connection and the saddle-shaped seam welding.

Contents of the invention

According to the description of the background technology, the purpose of this utility model is to avoid the above-mentioned shortcomings, and to provide a welding machine head composed of various sets of servo mechanisms, the main shaft drives the welding head to rotate, and uses various servo adjustment devices of the welding head to perform precise positioning, increasing The equipment is flexible, and the tensioning device is used to effectively fix the branch pipe on the main pipe. Only by replacing the actuator at the end of the welding (cutting) head, that is, the cutting torch or welding torch, can perform gas cutting, plasma cutting and welding. Portable open-hole connection And saddle seam welding all-in-one machine.

In order to achieve the above object, the utility model is achieved through the following technical solutions:

A portable open-hole pipe joint and saddle-shaped seam welding machine, mainly composed of a hanger (1), a main shaft (2), a rotating disk (3), a welding head (4) and a pipe expansion mechanism (5), Among them: the main body (11) of the hanger is formed by the profile piece (111) and the magnetic base (112), and the feed rod (13) and the main shaft (2) connected by the screw (14) and the connecting plate (12) are arranged on it , the hanger (1) and the main shaft (2) are connected through the lead screw (14), and the lead screw (14) is connected with the handle (15) through the main body of the hanger (11); the rotating disc (3) is connected with the main shaft ( 2) The fixed large gear (32) and the rotating motor (31) fixedly connected with the outer disc (34) and equipped with a pinion (33) at the end are composed of the large gear (32) and the pinion (33) ) engagement, a bearing (36) is set between the outer disc (34) and the main shaft (2), and the bottom of the outer disc (34) is fixedly connected to the chassis (35); the welding head (4) passes through the outer disc ( The connection hole (411) on the 34) is fixedly connected on the outer disc (34), and the whole welding head (4) is adjusted by the welding torch radial movement adjustment mechanism (41), the welding torch height adjustment mechanism (42), and the welding torch attitude adjustment. Composed of motor (43), welding torch swing mechanism (44) and welding torch clamping mechanism (45), composed of radial movement adjustment track (412), radial movement adjustment servo motor (414) and radial movement guide bar (413) The radial movement adjustment mechanism (41) is provided with a rotary handle (415) on one side of the radial movement adjustment track (412), to realize the radial rough positioning of the entire welding head (4), and to adjust the servo motor through the radial movement (414) realizes the radial precise positioning of the welding head (4), and one end of the radial movement guide bar (413) is provided with a welding torch height adjustment mechanism (42) of the height adjustment track (423), and a height adjustment mechanism (42) is installed on its top. Adjust the servomotor (421), be provided with height adjustment guide strip (422) on its side, be provided with welding torch attitude adjustment motor (43), welding torch swing mechanism (44) and welding torch Clamping mechanism (45), and welding torch swinging mechanism (44) is installed between welding torch attitude adjustment motor (43) and welding torch clamping mechanism (45), and welding clamping mechanism (45) clamps welding torch in welding process (46); The tube expansion mechanism (5) consists of a height adjustment mechanism (51), a tube expansion screw (52), a support rod A (53), a support rod B (54), a lower end support block (55), and an upper end positioning support Block (56) and connecting nut (57) constitute.

The upper end of the main shaft (2) is equipped with a height adjustment mechanism (51), and the lower end is connected with an expansion tube screw (52), and an upper connecting body is arranged on the main shaft (2) and the expansion tube screw (52). (521) and the lower connecting body (522), the upper end of the support rod A (53) is hinged with the upper connecting body (521), the lower end is hinged with the lower end support block (55), and the upper end and the upper end of the support rod B (54) are positioned and supported The block (56) is hinged, the lower end is hinged with the lower connecting body (522), the support rod A (53) and the support rod B (54) are hinged at the middle position of the rod through the connecting nut (57), and the upper end positions the support block (56 ) of the two inner surfaces (561) are respectively in contact with the top of the adapter (58) and the inner wall of the adapter (58), and the inner surface (551) of the lower support block (55) is in contact with the inner wall of the adapter (58). The rotation of the height adjustment handle (511) of the mechanism (51) can realize the up and down movement of the leading screw (52).

Due to the adoption of the above-mentioned technical scheme, the utility model has the following advantages and effects:

1. The utility model realizes one machine with multiple functions, which can not only cut the saddle-shaped groove main pipe and branch pipe, but also perform high-quality welding between the two after replacing the actuator.

2. The utility model adopts the structural form of multi-servo mechanism, which increases the flexibility of the system, so that each servo mechanism can accurately carry out the vector superposition of multi-dimensional motion through the parameter setting and adjustment of the control system, and ensures the welding torch along the connecting pipe and the cylinder body. High-quality cutting of main and branch pipes with saddle grooves and high-quality welding of saddle-shaped intersecting line welds between the two.

3. The linear movement of the welding torch of the utility model along the radial direction of the track and the radial movement of the adjustment mechanism along the track radius can ensure the teaching tracking when the weld seam is inaccurate during welding and the depth adjustment during multi-layer and multi-pass welding, as well as the distance between adjacent specifications. Adjust the radial position of the cutting torch or welding torch when cutting or welding branch pipes.

4. The utility model uses the long-line contact between the upper end positioning support block and the top end of the adapter and the inner wall of the adapter and the supporting function of the lower end support block to achieve centering and prevent the adapter from tilting during the tightening process, thus further ensuring the saddle-shaped cutting and welding accuracy.

5. The utility model has small volume and light weight, can be moved freely by manpower, and has good flexibility.

Description of drawings

Fig. 1 is a schematic diagram of the overall structure of the utility model

Fig. 2 is the enlarged schematic diagram of part A in Fig. 1 of the utility model

Fig. 3 is the B-B sectional schematic diagram of Fig. 2 of the utility model

Fig. 4 is a schematic diagram of the structural composition of the utility model expansion pipe mechanism

Detailed ways

As shown in Figures 1 to 4, a portable open-hole joint and saddle-shaped welding seam welding machine is mainly composed of a hanger (1), a main shaft (2), a rotating disk (3), and a welding head (4) It is composed of a tube expansion mechanism (5), wherein: the main body (11) of the hanger is composed of a profile piece (111) and a magnetic base (112), on which a light screw (14) connected with a connecting plate (12) is arranged. Bar (13) and main shaft (2), hanger (1) and main shaft (2) are connected by lead screw (14), and lead screw (14) is connected with control handle (15) through hanger main body (11); The rotating disk (3) is composed of a large gear (32) fixedly connected with the main shaft (2) and a rotating motor (31) fixedly connected with the outer disc (34) and equipped with a small gear (33) at the end. The gear (32) meshes with the pinion (33), and the bearing (36) is arranged between the outer disc (34) and the main shaft (2), and the bottom of the outer disc (34) is fixedly connected to the chassis (35); the welding head (4) Through the connecting hole (411) on the outer layer disc (34), it is fixedly connected on the outer layer disc (34), and the whole body of the welding machine head (4) is adjusted by the radial movement adjustment mechanism (41) of the welding gun, and the height of the welding gun The adjustment mechanism (42), the welding torch attitude adjustment motor (43), the welding torch swing mechanism (44) and the welding torch clamping mechanism (45) are composed of a radial movement adjustment track (412), a radial movement adjustment servo motor (414) and The radial movement guide bar (413) constitutes the radial movement adjustment mechanism (41), and a rotating handle (415) is arranged on one side of the radial movement adjustment track (412), so as to realize the radial roughness of the whole welding head (4). Positioning, the radial precise positioning of the welding head (4) is realized by radially moving and adjusting the servo motor (414), and one end of the radially moving guide bar (413) is provided with a welding torch height adjustment mechanism (42) with a height adjustment track (423) ), and a height adjustment servo motor (421) is installed on its top, a height adjustment guide bar (422) is arranged on its side, and a welding torch attitude adjustment motor (43) is provided at the lower end of the height adjustment guide bar (422) , the welding torch swing mechanism (44) and the welding torch clamping mechanism (45), and the welding torch swing mechanism (44) is installed between the welding torch attitude adjustment motor (43) and the welding torch clamping mechanism (45), during the welding process, the welding clamp The holding mechanism (45) clamps the welding torch (46); the tube expansion mechanism (5) consists of a height adjustment mechanism (51), a tube expansion screw (52), a support rod A (53), a support rod B (54), and a lower end Support block (55), upper end positioning support block (56) and connection nut (57) constitute.

In addition, hanger 1 and main shaft 2 utilize lead screw 14 to connect, and the utility model can move up and down through the guiding action of lead screw 14 and light rod 13, adjust the distance of the utility model apart from the main pipe, and hanger 1 can be used when not in need. detached from the entire device.

The small gear 33 is driven by the rotating motor 31 and meshed with the large gear 32. The main shaft 2 does not rotate during the whole welding process, and the small gear 33 rotates around the large gear 32, driving the outer disc 34 fixedly connected with the small gear 33 to rotate around the main shaft 2 rotates, the welding head 4 is fixedly connected to the outer disk 34 through the connection hole 411 on the outer disk 34, and finally realizes the circular movement of the welding head 4 along the main shaft 2.

By rotating the rotary handle 415 on one side of the radial movement adjustment track 412, the rough positioning of the entire welding head can be realized, and the mechanism can be adapted to different pipe diameters, and the radial movement adjustment mechanism 41 can realize precise radial positioning of the branch pipes .

The height adjustment mechanism 42 of the welding torch can realize the adjustment of the height of the welding torch 46 .

Welding torch posture adjustment motor 43 is installed on the lowermost end of height adjustment mechanism 42, controls the posture of welding torch 46, when allowing welding torch 46 in different welding positions, the posture changes with the difference of welding position, thereby satisfies the technological requirement of welding. The welding torch swing mechanism 44 is installed between the welding torch posture adjustment motor 43 and the welding torch clamping mechanism 45, so that the welding torch can swing rapidly during the welding process to meet welding requirements such as gas shielded welding. The welding gun clamping mechanism 45 clamps the welding gun 46 during welding. The superposition of the three motions of the circular motion of the welding head 4 around the main shaft 2, the up and down linear motion of the welding torch height adjustment mechanism 42, and the change of the welding torch posture (inclination angle) ensures that the welding torch 46 can move along the saddle-shaped groove of the connecting pipe and the cylinder. High-quality cutting of main and branch pipes and high-quality welding of saddle-shaped intersecting line welds between the two. The linear movement of the welding torch 46 along the radial direction of the track through the welding torch radial movement adjustment mechanism 41 can ensure the teaching tracking when the welding seam is inaccurate and the depth adjustment during multi-layer and multi-pass welding, as well as branch pipe cutting or cutting between adjacent specifications. Radial position adjustment of torch or torch during welding.

In addition, a height adjustment mechanism 51 is installed on the upper end of the main shaft 2, and an expansion tube screw 52 is connected at its lower end, and an upper connecting body 521 and a lower connecting body 522 are arranged on the lower ends of the main shaft 2 and the expansion tube screw 52, and the support rod The upper end of A53 is hinged with upper connector 521, the lower end is hinged with lower end support block 55, the upper end of support rod B54 is hinged with upper end positioning support block 56, and the lower end is hinged with lower connector 522. The middle position of the upper end support block 55 is hinged through the connecting nut 57, and the two inner surfaces 561 of the upper positioning support block 56 are respectively in contact with the top of the connecting pipe 58 and the inner wall of the connecting pipe 58, and the inner surface 551 of the lower end supporting block 55 is in contact with the inner wall of the connecting pipe 58. The pipe mechanism 5 can tighten the connecting pipe and make the central axis of the pipe expansion mechanism 5 be fixedly connected with the whole equipment main shaft 2 and be coaxial. Wherein, the lead screw 52 is fixedly connected and coaxial with the whole equipment as the center of the whole pipe expansion mechanism 5, and the rotation can be realized by the height adjustment mechanism 51 fixedly connected on the lead screw 52 and the height adjustment handle 511 connected on the angle adjustment mechanism. After the handle, the rotation of the handle is converted into the up and down motion of the leading screw 52, so that the supporting device connected with the leading screw 52 is tightened or unclamped to take over. Although the previous related patents also have a tube expansion mechanism, there are disadvantages such as unsuitable adjustment of the tension force, easy tilt of the support block, resulting in non-vertical connection tubes, and difficulty in ensuring accuracy. And the utility model can realize centering through the long-line contact of the upper end positioning support block 56 with the top of the nozzle and the inner wall of the nozzle and the support of the lower end support block 55, thereby further ensuring the accuracy of the saddle-shaped cutting and welding.

When carrying out the automatic welding operation of the saddle-shaped seam welding of the open-hole connection, tighten the height adjustment handle 511 of the expansion tube mechanism 5, so that the expansion tube mechanism 5 can tighten the connection tube to be cut, so that the whole equipment and the connection tube to be cut are suspended by the hanger 1. Hanging and located above the pressure vessel, the equipment can move along the axial direction of the pressure vessel on the hanger 1, adjust the position of the opening of the pressure vessel to make the opening position in the upper section, and ensure that the follow-up operations are basically horizontal Location. Then by adjusting the rotary handle 415 on one side of the radial movement adjustment track 412, the rough positioning of the whole welding head can be realized, and the radial movement adjustment servo motor 414 can realize the precise radial positioning of the connection. After the positioning is achieved in the above operation process, the cutting of the pipeline, the opening of the pressure vessel, and the saddle-shaped butt welding are completed under the same positioning reference. First, adjust the initial position of the welding head 4 and the angle of the gas cutting torch on the welding head 4, and call the pre-stored program of the computer (this program can be completed and stored through the previous prediction of the relevant pipeline or realized by calculation of known parameters ), the gas cutting operation is started, and the welding head 4 runs one week along the main shaft 2 to complete the cutting of the saddle-shaped track pipeline nozzle. Then, after finishing the nozzle cutting operation, move the welding torch height adjustment mechanism 42 to make its gas cutting torch move down to a certain position relative to the nozzle incision, then adjust the cutting angle of the gas cutting torch through the welding torch posture adjustment motor 43, and call the computer pre-stored The program, through the circular movement along the main shaft, realizes the drilling operation of the pressure vessel. Finally, after completing the above steps, remove the gas cutting torch head and replace it with the welding torch 46, and then move down the equipment under the hanger 1 to form the weld bevel between the butt joint and the pressure vessel. Completed next, so the groove group has high precision. Adjust the angle of the welding torch 46 and the position relative to the weld seam, and call the welding program of the intersecting line. This program can be the program used in the above operations, or it can be the welding program taught in real time on site, depending on the on-site alignment accuracy and It depends on the welding accuracy requirements. Through multi-layer and multi-channel welding (at this time, the welding angle adjustment mechanism can realize the automatic swing welding of the weld seam), and finally complete the welding operation of the saddle-shaped connecting pipe.

Claims (2)

1. A portable open-hole pipe joint and saddle-shaped seam welding machine, mainly composed of a hanger (1), a main shaft (2), a rotating disk (3), a welding head (4) and a pipe expansion mechanism (5) Composition, it is characterized in that: the hanger main body (11) is constituted by profile piece (111) and magnetic base (112), the feed rod (13) and the feed rod (13) that are set on it and connecting plate (12) are connected with lead screw (14) and Main shaft (2), hanger (1) and main shaft (2) are connected by lead screw (14), and lead screw (14) is connected with control handle (15) through hanger main body (11); It is composed of a large gear (32) fixedly connected with the main shaft (2) and a rotating motor (31) fixedly connected with the outer disc (34) and equipped with a pinion (33) at the end. The large gear (32) and The pinion (33) is engaged, the bearing (36) is set between the outer disc (34) and the main shaft (2), and the bottom of the outer disc (34) is fixedly connected to the chassis (35); the welding head (4) passes through the outer The connecting hole (411) on the layer disc (34) is fixedly connected on the outer disc (34), and the whole of the welding head (4) is composed of welding torch radial movement adjustment mechanism (41), welding torch height adjustment mechanism (42) , a welding torch attitude adjustment motor (43), a welding torch swing mechanism (44) and a welding torch clamping mechanism (45), consisting of a radial movement adjustment track (412), a radial movement adjustment servo motor (414) and a radial movement guide bar (413) constitutes a radial movement adjustment mechanism (41), and a rotating handle (415) is provided on one side of the radial movement adjustment track (412), so as to realize the radial rough positioning of the whole welding head (4). Move and adjust the servo motor (414) to realize the radial precise positioning of the welding head (4), and one end of the radially moving guide bar (413) is provided with a welding gun height adjustment mechanism (42) of the height adjustment track (423), and The top is equipped with a height adjustment servo motor (421), and its side is provided with a height adjustment guide bar (422), and a welding torch attitude adjustment motor (43) is provided at the lower end of the bottom of the height adjustment guide bar (422), and the welding torch swing mechanism ( 44) and the welding torch clamping mechanism (45), and the welding torch swinging mechanism (44) is installed between the welding torch attitude adjustment motor (43) and the welding torch clamping mechanism (45), and the welding clamping mechanism (45) in the welding process Clamp the welding torch (46); the tube expansion mechanism (5) consists of a height adjustment mechanism (51), a tube expansion screw (52), a support rod A (53), a support rod B (54), and a lower end support block (55) , the upper end positioning support block (56) and connecting nut (57) constitute. 2. The portable integrated machine for open-hole connection and saddle-shaped seam welding according to claim 1, characterized in that: the upper end of the main shaft (2) is equipped with a height adjustment mechanism (51), and the lower end is connected with an expanding pipe wire bar (52), and the upper connector (521) and the lower connector (522) are set on the main shaft (2) and the expansion tube screw (52), the upper end of the support rod A (53) and the upper connector (521) Hinged, the lower end is hinged with the lower end support block (55), the upper end of the support rod B (54) is hinged with the upper end positioning support block (56), the lower end is hinged with the lower connector (522), the support rod A (53) and the support rod B (54) The two are hinged by connecting nuts (57) in the middle of the rod, and the two inner surfaces (561) of the upper positioning support block (56) are respectively in contact with the top of the connecting pipe (58) and the inner wall of the connecting pipe (58). The inner surface (551) of the lower end support block (55) is in contact with the inner wall of the connecting pipe (58), and the up and down movement of the leading screw (52) can be realized by the rotation of the height adjustment handle (511) of the height adjustment mechanism (51). the

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