CN210306162U

CN210306162U - Semi-automatic welding mechanism for core component of nuclear power driving rod

Info

Publication number: CN210306162U
Application number: CN201920596613.4U
Authority: CN
Inventors: 王璟鹏; 郑佳铭; 林家俊; 邸海坤; 王齐东
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-04-28
Filing date: 2019-04-28
Publication date: 2020-04-14
Anticipated expiration: 2029-04-28

Abstract

The utility model discloses a semi-automatic welding mechanism of nuclear power drive rod's core component, including the ware that shifts, the connecting plate is installed to the rolling surface of the ware that shifts, one side of connecting plate is connected with the mount pad fixed plate, the top surface mounting of mount pad fixed plate has the work piece mount pad, the support frame is installed to one side of the ware that shifts, first step motor is installed on the surperficial top of support frame, the output of first step motor is connected with first module, the outer end surface mounting of first module has the second module, the one end of second module is connected with second step motor, the surface mounting of second module has welder anchor clamps, welder anchor clamps's one end swing joint has welder. The utility model discloses a singlechip is controlled and is controlled step motor's removal that makes welder, realizes automation and digitization, great improvement production efficiency and quality to stable, the build-up welding of technology is of high quality, has practiced thrift the cost for the mill simultaneously.

Description

Semi-automatic welding mechanism for core component of nuclear power driving rod

Technical Field

The utility model discloses a nuclear power station nuclear island one of the key equipment in, in particular to nuclear power actuating rod's core component's semi-automatic welding machine constructs.

Background

At present, a magnetic lifting control rod driving mechanism claw used in a nuclear power station is mainly formed by surfacing a single-tooth claw, and cobalt-based alloy surfacing is adopted on a tooth part of the claw and the inner wall of a pin hole which need wear resistance. Because the surfacing difficulty of the claw is very high, the finished product of the claw is supplied abroad, and the surfacing technology of the claw becomes a main bottleneck of technical attack due to the high difficulty and is one of obstacles for restricting 100 percent localization of the manufacture of the control rod driving mechanism main equipment.

Secondly, manual welding is still adopted for the hook claw welding of certain domestic product, the welding efficiency is low, the working strength is high, the welding quality is poor, and the requirement on the technical level of operators is high. The traditional manually operated cutting machine and welding machine are gradually replaced by the automatic and mechanized cutting machine and welding machine in China.

The automation rate of welding in China is less than 30%, and the difference is far from 80% of developed industrial countries. The hook claw is a part with small batch and high requirement, and automatic welding equipment aiming at the part is not available.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome prior art's defect, provide a nuclear power drive rod's core component's semi-automatic welding mechanism, possible improvement production efficiency, welding quality, reduction are to workman technical requirement.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a semi-automatic welding mechanism of a core component of a nuclear power driving rod, which comprises a position changer, the rotating surface of the position changer is provided with a connecting plate, one side of the connecting plate is connected with a mounting seat fixing plate, the surface of the top end of the mounting seat fixing plate is provided with a workpiece mounting seat, the surface of the workpiece mounting seat is provided with a workpiece, the top end of the workpiece is provided with a bolt, the bolt penetrates through the workpiece and extends to the workpiece mounting seat, one side of the position changer is provided with a supporting frame, the top end of the surface of the supporting frame is provided with a first stepping motor, the output end of the first stepping motor is connected with a first module, a second module is arranged on the outer end surface of the first module, one end of the second module is connected with a second stepping motor, the surface mounting of second module has welding gun anchor clamps, welding gun anchor clamps's one end swing joint has welder.

As a preferred technical scheme of the utility model, the surface of connecting plate runs through and has a plurality of through-holes evenly distributed side by side, the mount pad fixed plate agrees with mutually through-hole through the bolt and accomplishes fixed mounting.

As a preferred technical scheme of the utility model, the mount pad fixed plate is L type structure, and the bottom kink of mount pad fixed plate separately is equipped with the recess, and the internal surface of recess is provided with the insection that agrees with mutually with the bolt.

As the utility model discloses an optimized technical scheme, first module is the vertical direction installation, the second module is the horizontal direction installation, and first module and second module all have the removal effect.

As an optimal technical scheme of the utility model, welder passes through the accurate positioning of sensor and singlechip realization control and coordinate.

As an optimal technical scheme of the utility model, first step motor and second step motor are all controlled through the singlechip.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses a singlechip is controlled and is controlled step motor's removal that makes welder, realizes automation and digitization, great improvement production efficiency and quality to stable, the build-up welding of technology is of high quality, has practiced thrift the cost for the mill simultaneously.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

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

fig. 2 is a two-dimensional moving mechanism diagram of the welding gun of the present invention;

FIG. 3 is a front view of the workpiece positioning structure of the present invention;

FIG. 4 is a block diagram of the connection plate and support plate of the present invention;

in the figure: 1. a positioner; 2. a connecting plate; 3. a mounting seat fixing plate; 4. a workpiece mounting seat; 5. a workpiece; 6. a bolt; 7. a first module; 8. a second module; 9. a first stepper motor; 10. a second stepping motor; 11. a support frame; 12. a welding gun clamp; 13. a welding gun; 14. a through hole; 15. and (4) a groove.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Wherein like reference numerals refer to like parts throughout.

Example 1

As shown in FIGS. 1-4, the utility model provides a semi-automatic welding mechanism for core components of a nuclear power driving rod, which comprises a position changer 1, a connecting plate 2 is installed on the rotating surface of the position changer 1, one side of the connecting plate 2 is connected with a mounting seat fixing plate 3, a workpiece mounting seat 4 is installed on the top surface of the mounting seat fixing plate 3, a workpiece 5 is installed on the surface of the workpiece mounting seat 4, a bolt 6 is installed on the top end of the workpiece 5, the bolt 6 penetrates through the workpiece 5 and extends to the workpiece mounting seat 4, a supporting frame 11 is installed on one side of the position changer 1, a first stepping motor 9 is installed on the top surface of the supporting frame 11, the output end of the first stepping motor 9 is connected with a first module 7, a second module 8 is installed on the outer end surface of the first module 7, one end of the second module 8 is connected with a second stepping motor 10, and, one end of the welding gun clamp 12 is movably connected with a welding gun 13.

Further, the surface of connecting plate 2 runs through and has a plurality of through-holes 14 evenly distributed side by side, and mount pad fixed plate 3 agrees with mutually through bolt and through-hole 14 and accomplishes fixed mounting, can realize the height of mount pad fixed plate 3 on connecting plate 2 through the through-hole 14 that the level is different.

The mounting seat fixing plate 3 is of an L-shaped structure, a groove 15 is formed in the bottom bending portion of the mounting seat fixing plate 3, insections matched with the bolt 6 are arranged on the inner surface of the groove 15, and the workpiece mounting seat 4 can be adjusted in the position inside the groove 15 through the bolt 6, so that the workpiece mounting seat 4 can be moved left and right.

The first module 7 is installed in the vertical direction, the second module 8 is installed in the horizontal direction, the first module 7 and the second module 8 have moving functions, and the welding gun 13 is moved up and down and left and right through the first module 7 and the second module 8.

The welding gun 13 realizes control and accurate positioning of coordinates through a sensor and a single chip microcomputer, and automation and digitization of a two-dimensional moving mechanism of the welding gun are realized.

The first stepping motor 9 and the second stepping motor 10 are controlled by a single chip microcomputer.

Specifically, the during operation is fixed work piece 5 on work piece mount pad 4 through clamping bolt 6, through the adjustment in the height of mount pad fixed plate 3 and the fore-and-aft position of work piece mount pad 4, the hole that makes work piece 5 need build-up welding is located the rotation center line of ware 1 that shifts, welder 13 controls the function that first step motor 9 and second step motor 10 drove first module 7 and second module 8 through PLC control system simultaneously and realizes the side-to-side movement from top to bottom, realize welder 13 and carry out quick location to the hole that work piece 5 needs build-up welding, through the height of constantly adjusting mount pad fixed plate 3 and the fore-and-aft position of work piece mount pad 4, realize carrying out the build-up welding to all holes of nuclear component.

To sum up, the utility model discloses a singlechip is controlled and is controlled step motor's removal that makes welder, realizes automation and digitization, great improvement production efficiency and quality to stable, the build-up welding of technology is of high quality, has practiced thrift the cost for the mill simultaneously.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The semi-automatic welding mechanism for the core component of the nuclear power driving rod comprises a position changer (1) and is characterized in that a connecting plate (2) is installed on a rotating surface of the position changer (1), a mounting seat fixing plate (3) is connected to one side of the connecting plate (2), a workpiece mounting seat (4) is installed on the surface of the top end of the mounting seat fixing plate (3), a workpiece (5) is installed on the surface of the workpiece mounting seat (4), a bolt (6) is installed on the top end of the workpiece (5) and penetrates through the workpiece (5) to extend to the workpiece mounting seat (4), a supporting frame (11) is installed on one side of the position changer (1), a first stepping motor (9) is installed on the surface top end of the supporting frame (11), the output end of the first stepping motor (9) is connected with a first module (7), a second module (8) is installed on the surface of the outer end of the first module (7), one end of the second module (8) is connected with a second stepping motor (10), the surface of the second module (8) is provided with a welding gun clamp (12), and one end of the welding gun clamp (12) is movably connected with a welding gun (13).

2. The semiautomatic welding mechanism for the core component of the nuclear power driving rod as claimed in claim 1, wherein a plurality of through holes (14) are evenly distributed side by side and penetrate through the surface of the connecting plate (2), and the mounting seat fixing plate (3) is matched with the through holes (14) through bolts to complete fixing and mounting.

3. The semiautomatic welding mechanism for the core component of the nuclear power driving rod as claimed in claim 1, wherein the mounting seat fixing plate (3) is of an L-shaped structure, a groove (15) is formed in a bent part at the bottom of the mounting seat fixing plate (3), and insections matched with the bolt (6) are arranged on the inner surface of the groove (15).

4. The semiautomatic welding mechanism for the core component of a nuclear power driving rod as claimed in claim 1, characterized in that the first module (7) is installed in a vertical direction, the second module (8) is installed in a horizontal direction, and both the first module (7) and the second module (8) have a moving function.

5. The semiautomatic welding mechanism for the core component of the nuclear power driving rod as claimed in claim 1, wherein the welding gun (13) is controlled and coordinates are accurately positioned by a sensor and a single chip microcomputer.

6. The semiautomatic welding mechanism for the core component of the nuclear power driving rod as claimed in claim 1, characterized in that the first stepping motor (9) and the second stepping motor (10) are controlled by a single chip microcomputer.