CN215588139U

CN215588139U - Automatic rotating tool suitable for laser welding of internal parts of refining reactor

Info

Publication number: CN215588139U
Application number: CN202122227403.8U
Authority: CN
Inventors: 商硕; 杨扬; 商量
Original assignee: Liaoning Yutong Petrochemical Machine And Instrument Co
Current assignee: Liaoning Yutong Petrochemical Machine And Instrument Co
Priority date: 2021-09-15
Filing date: 2021-09-15
Publication date: 2022-01-21
Anticipated expiration: 2031-09-15

Abstract

The utility model relates to an automatic rotating tool suitable for laser welding of an internal part of an refining reactor, wherein a base plate is welded at the lower end of a middle shaft of the tool integrally, the base plate is embedded below the ground, the upper end of the middle shaft is fixedly connected with a base, the base comprises an upper base plate and a lower base plate, the lower base plate is fixedly connected to the middle shaft and arranged on the ground, the upper base plate is of an annular structure, a plurality of support columns are welded between the upper base plate and the lower base plate, a driving assembly is arranged on the upper surface of the lower base plate, a driving gear is fixed on the driving assembly, the driving gear is meshed with a rotating disc gear, the rotating disc is connected with a bearing at the top end of the middle shaft, a top disc is fixed at the edge above the rotating disc, the top disc is connected with the upper base plate through a ball, and a circumferential extension plate is fixed at the edge of the top disc. The utility model can realize the laser automatic welding of the internal parts of the large-scale mesh cylindrical refining reactor.

Description

Automatic rotating tool suitable for laser welding of internal parts of refining reactor

Technical Field

The utility model relates to an automatic rotating tool for welding, in particular to an automatic rotating tool suitable for laser welding of an internal part of a refining reactor.

Background

Laser welding is a manufacturing process and technique for joining metal materials in an efficient precision welding manner using a laser beam with high energy density as a heat source. Because the large-scale net tubular reactor internals's size is big, heavy, current welding set exists centre gripping length restriction, centre gripping height can't adjust, work piece centre gripping is insecure, the work piece can't carry out defects such as rotary machining, and the degree of automation in the welding process is lower, and the welding is inhomogeneous easily leads to the deformation, and welding quality can not obtain the assurance, and welding efficiency is low. Therefore, an automatic rotating tool suitable for laser welding of internal parts of the refining reactor is urgently needed to be invented.

Disclosure of Invention

Utility model purpose: the utility model provides an automatic rotating tool suitable for laser welding of internal parts of an refining reactor, and aims to solve the problems that the internal parts of the conventional large mesh tubular reactor cannot be subjected to rotating processing, the welding quality cannot be guaranteed, the welding efficiency is low and the like.

The technical scheme is as follows: the utility model provides an autogiration frock suitable for laser welding of refinery reactor internals, the integrative welding of axis lower extreme of this frock has the base plate, base plate embedding ground below, axis upper end fixedly connected with base, the base includes base upper plate and base hypoplastron, base hypoplastron fixed connection is epaxial and place subaerially in, the base upper plate is the loop configuration, weld a plurality of pillars of supporting between base upper plate and the base hypoplastron, surface mounting has drive assembly on the base hypoplastron, the last drive gear that is fixed with of drive assembly, the drive gear meshing has the rolling disc gear, the rolling disc is connected with axis top bearing, rolling disc top edge is fixed with the top dish, be connected through the ball between top dish and the base upper plate, top dish edge is along the extension board of the fixed border of circumference.

Furthermore, a top disc cover plate with a circular ring structure is fixed above an inner circumference formed by the plurality of extension plates, the top disc cover plate and the top disc are of a concentric structure, the top disc cover plate is placed on the top disc, and the top disc cover plate is fixedly connected with the rotating disc.

Furthermore, after the top disc is clamped with the rotating disc, the top disc is fixedly connected with the rotating disc through a bolt group; the top disc is fixedly connected with the extension plate through a bolt group after being clamped.

Furthermore, a supporting plate is fixedly connected to the bottom between the adjacent extension plates.

Furthermore, the lower surface of the top plate and the upper surface of the upper plate of the base are provided with corresponding ball tracks, and balls are placed in the ball tracks.

Further, the diameter of the outer periphery of the lower plate of the base is larger than that of the outer periphery of the upper plate of the base.

The advantages and effects are as follows: the utility model provides an automatic rotating tool suitable for laser welding of internal parts of an refining reactor, which can realize the automatic laser welding of the internal parts of a large-sized mesh cylindrical refining reactor. The laser automatic welding tool is simple and stable in structure, convenient to install and disassemble and suitable for girth welding of the large-diameter mesh tubular inner member. By using the automatic rotating tool, the quality of a welded product can be effectively improved, the labor intensity of workers is reduced, and the working efficiency is improved.

Drawings

FIG. 1 is a schematic view of a combination of a virtual sample, a ground and a rotary tool according to the present invention;

FIG. 2 is a front view of the rotary tooling of the present invention;

FIG. 3 is a top view of the rotary tooling of the present invention;

FIG. 4 is an enlarged view of the present invention I;

FIG. 5 is an enlarged view of invention II;

FIG. 6 is a top view of the rotating tool of the present invention without a top disk cover plate;

FIG. 7 is a top view of the rotating disk attachment of the present invention;

FIG. 8 is an enlarged view of the present invention III;

FIG. 9 is an enlarged view of the coupling structure of the rotary plate and the driving gear according to the present invention;

FIG. 10 is a schematic view of the construction of the coverplate and rotatable disk of the present invention without the top disk;

description of reference numerals: 1. the device comprises a top disc cover plate, 2, an extension plate, 3, a rotating disc, 4, a top disc, 5, a driving gear, 6, a base, 6-1, a base upper plate, 6-2, a base lower plate, 7, a support column, 8, a speed reducer, 9, an engine, 10, a support plate, 11, a rotating shaft, 12 and a middle shaft; 13. middle shaft sleeve, 14, base plate, 15, ball track, 16, ball, 17, middle shaft envelope, 18, sample, 19, ground.

Detailed Description

The utility model is further described below with reference to the accompanying drawings:

as shown in fig. 1-2, 5-7 and 10, an automatic rotating tool suitable for laser welding of internal parts of an refining reactor is provided, wherein a base plate 14 is integrally welded at the lower end of a center shaft 12 of the tool, the base plate 14 is embedded below the ground, so that the stability of the rotating tool can be improved, the upper end of the center shaft 12 is fixedly connected with a base 6 through a center shaft sleeve 13, a center shaft sleeve 17 is arranged at the top end of the center shaft 12, the base 6 comprises an upper base plate 6-1 and a lower base plate 6-2, the base 6 is placed on the ground and used for stabilizing the rotating tool, that is, the lower surface of the lower base plate 6-2 of the base 6 is in contact with the ground; the base lower plate 6-2 is fixedly connected to the middle shaft 12, the base upper plate 6-1 is of an annular structure, a plurality of support columns 7 are symmetrically welded between the base upper plate 6-1 and the base lower plate 6-2, a driving assembly is arranged on the upper surface of the base lower plate 6-2 and comprises an engine 9 and a speed reducer 8, the engine 9 is connected with the speed reducer 8, a rotating shaft 11 is arranged at the output end of the speed reducer 8, a driving gear 5 is fixed on the rotating shaft 11 of the driving assembly, as shown in fig. 10, the driving gear 5 is meshed with a rotating disc 3 gear, the rotating disc 3 is connected with a bearing at the top end of the middle shaft 12, a top disc 4 is fixed at the edge above the rotating disc 3, the top disc 4 is connected with the base upper plate 6-1 through balls 16, and an extension plate 2 with a circle is fixed at the edge of the top disc 4 along the circumferential direction.

As shown in fig. 6, the top disk 4 has a circular ring structure, and the diameter of its inner circle is slightly smaller than that of the rotating disk 3, so that the edge of the inner circle can be seated on the edge of the outer circle of the rotating disk 3. The top disc 4 is used for extending the diameter of the rotating disc 3 for the first time, the inner ring of the top disc 4 is fixedly connected with the outer peripheral ring of the rotating disc 3 after being clamped, as shown in fig. 8, the outer ring of the top disc 4 is connected with the upper surface of the upper plate 6-1 of the base through a ball 16, and the outer peripheral ring of the top disc 4 is fixedly connected with the extending plate 2 to extend the diameter of the rotating disc 3 for the second time so as to adapt to the circular welding seam of the large-diameter mesh tubular inner member. The installation top disc 4 and the extension plate 2 on the installation top disc are mainly used for stable spin welding of the large-caliber net barrel internal parts. If the top plate 4 is not provided, the extension plate 2 is directly arranged on the rotating disc 3, at this time, the rotation becomes sluggish and hard without the assistance of the balls 16, and the engine 9 and the speed reducer 8 are easy to damage; and the rotary welding process of the large-diameter net barrel inner part cannot be met.

The top disc 4 is also provided with a round hole 4-1, the round hole 4-1 corresponds to the driving gear 5, and the diameter of the round hole 4-1 is slightly larger than that of the driving gear 5. The round hole 4-1 is used for adding lubricating oil to the contact surface of the middle shaft 12, the rotating disc 3 and the middle shaft sleeve 13.

As shown in FIG. 7, the diameter of the lower base plate 6-2 is larger than that of the upper base plate 6-1, so that the contact surface between the lower base plate 6-2 and the ground is large, the stability of the rotary tool is improved, and a speed reducer 8 and an engine 9 are conveniently placed on the lower base plate 6-2.

As shown in fig. 3, a top plate cover plate 1 with a circular ring structure is fixed above an inner periphery formed by a plurality of extension plates 2, the top plate cover plate 1 facilitates partial operation of a worker inside a sample 18, and the sample 18 can be placed on the top plate cover plate 1 or the extension plates 2 according to the size of the sample 18. The outer periphery of the top disk cover plate 1 is fixed above the inner periphery ring formed by the extension plates 2 through bolts, the top disk cover plate 1 and the top disk 4 are of a concentric structure, the top disk cover plate 1 is placed on the top disk 4, and the top disk cover plate 1 is fixedly connected with the rotating disk 3 through a plurality of bolt groups. The diameter of the inner ring of the top plate cover plate 1 is slightly larger than that of the middle shaft 12, so that the moving range of operators is expanded, and safe operation is ensured.

Through the rotation of engine 9 drive gear 5, drive gear 5 rotates and drives rolling disc 3 and rotate to drive top dish 4 and extension board 2 and rotate, make top dish apron 1 go up or extend the appearance 18 realization on the board 2 and rotate, the manipulator of being convenient for carries out welding operation to it.

The top disc 4 is fixedly connected with the rotating disc 3 through a bolt group after being clamped; the positioning between the top disc 4 and the rotating disc 3 is convenient, and the fixation is firmer. The clamping connection mode of the top disc 4 and the rotating disc 3 is that a plurality of grooves or L-shaped grooves are formed in the edge position of the outer ring surface of the rotating disc 3, corresponding strip-shaped bulges or L-shaped bulges are formed in the lower surface of the inner ring of the top disc 4, and the strip-shaped bulges and the grooves or the L-shaped grooves and the L-shaped bulges are fixedly clamped and connected through bolts after being buckled and clamped; the top plate 4 and the extension plate 2 are clamped together and then fixedly connected through the bolt group, so that the top plate 4 and the extension plate 2 are conveniently positioned and fixed more firmly. The outer loop edge part of top dish 4 upper surface is provided with a plurality of recesses or L type recess equally, and the 2 lower surfaces of a plurality of extension board are provided with the protruding or L type of bar arch that corresponds, and the bar is protruding to be fixed back with recess or L type recess and the protruding looks lock joint of L type, rethread bolt fixed connection.

As shown in fig. 4, a support plate 10 is fixedly connected to the bottom between the adjacent extension plates 2. The extension plate 2 and the support plate 10 are fixed by a bolt group.

The lower surface of the top plate 4 and the upper surface of the base upper plate 6-1 are provided with corresponding ball tracks 15, and balls 16 are placed in the ball tracks 15.

The contact surfaces of the middle shaft 12, the rotating disc 3 and the middle shaft sleeve 13, the ball tracks and the balls 16 are coated with lubricating oil.

The assembling process comprises the following steps: the method comprises the steps of drilling a hole on the ground at the selected installation position of a rotary tool, integrally installing a middle shaft 12, a middle shaft sleeve 13 and a base plate 14 under the ground, placing a base 6 on the ground, fixedly connecting the base to the middle shaft 12, installing an engine 9 and a speed reducer 8 on the upper surface of a lower base plate 6-2, connecting the engine 9 with the speed reducer 8, installing a rotating shaft 11 at the output end of the speed reducer 8, fixing a driving gear 5 on the rotating shaft 11, gear-meshing the driving gear 5 with a rotating disc 3, connecting the rotating disc 3 with a bearing at the top end of the middle shaft 12, installing a top disc 4 at the edge above the rotating disc 3 through a bolt group, installing balls 16 between the top disc 4 and an upper base plate 6-1, installing an extension plate 2 with a circle at the edge of the top disc 4 through the bolt group along the circumferential direction, and installing a top disc cover plate 1 on the top disc 4 through the bolt group.

The using method comprises the following steps: a large-diameter mesh cylinder sample 18 and a rotary tool are concentrically placed on the large-diameter mesh cylinder sample 18, an engine 9 drives a speed reducer 8 and a driving gear 5 to rotate, so that a rotating disc 3 rotates along with the rotating disc, the rotating disc 3 drives a top disc 4, a top disc cover plate 1 and an extension plate 2 to rotate by means of balls 16, and therefore the mesh cylinder sample 18 on the top disc cover plate 1 or the extension plate 2 rotates at a constant speed, and welding operation is conducted on the sample by means of a welding manipulator.

Claims

1. The utility model provides an autogiration frock suitable for laser welding of refining reactor internals which characterized in that: a base plate (14) is integrally welded at the lower end of a middle shaft (12) of the tool, the base plate (14) is embedded below the ground, a base (6) is fixedly connected to the upper end of the middle shaft (12), the base (6) comprises an upper base plate (6-1) and a lower base plate (6-2), the lower base plate (6-2) is fixedly connected to the middle shaft (12) and is arranged on the ground, the upper base plate (6-1) is of an annular structure, a plurality of support columns (7) are welded between the upper base plate (6-1) and the lower base plate (6-2), a driving assembly is installed on the upper surface of the lower base plate (6-2), a driving gear (5) is fixed on the driving assembly, the driving gear (5) is meshed with a rotating disc (3) gear, the rotating disc (3) is connected with a top end bearing of the middle shaft (12), a top disc (4) is fixed at the edge above the rotating disc (3), the top disc (4) is connected with the base upper plate (6-1) through a ball (16), and the edge of the top disc (4) is fixed with a circumferential extension plate (2) along the circumferential direction.

2. The automatic rotary tool applicable to laser welding of refinery reactor internals according to claim 1, characterized in that: a top disc cover plate (1) with a circular ring structure is fixed above an inner circle formed by the extension plates (2), the top disc cover plate (1) and the top disc (4) are of concentric structures, the top disc cover plate (1) is placed on the top disc (4), and the top disc cover plate (1) is fixedly connected with the rotating disc (3).

3. The automatic rotary tool applicable to laser welding of refinery reactor internals according to claim 1, characterized in that: the top disc (4) is fixedly connected with the rotating disc (3) through a bolt group after being clamped; the top disc (4) is fixedly connected with the extension plate (2) through a bolt group after being clamped.

4. The automatic rotary tool applicable to laser welding of refinery reactor internals according to claim 1, characterized in that: the bottom between the adjacent extension plates (2) is fixedly connected with a support plate (10).

5. The automatic rotary tool applicable to laser welding of refinery reactor internals according to claim 1, characterized in that: the lower surface of the top disc (4) and the upper surface of the base upper plate (6-1) are provided with corresponding ball tracks (15), and balls (16) are placed in the ball tracks (15).

6. The automatic rotary tool applicable to laser welding of refinery reactor internals according to claim 1, characterized in that: the diameter of the outer circumference of the lower base plate (6-2) is larger than that of the outer circumference of the upper base plate (6-1).