Rotary inner supporting type welding tool

Abstract

The utility model discloses a rotary inner support type welding tool which comprises a base plate, a center shaft stud, an inner support limiting disc, an inner support ejection block, a conical block, an inner support pressing disc, an adjusting nut and a workpiece pressing disc. An inner supporting limiting disc is fixed to the upper side of the base plate, a plurality of limiting notches evenly distributed in the axial direction are formed in the inner supporting limiting disc, inner supporting ejection blocks correspond to the limiting notches, are movably arranged in the limiting notches in a matched mode and move in the radial direction of the inner supporting limiting disc, and a center shaft stud is movably connected with a conical block in a sleeved mode. And an arc-shaped chamfer surface which is movably matched and connected with the inclined surface of the conical block is formed at one end of the inner support ejection block. Compared with the prior art, the inner supporting device has the advantages that when the inner supporting device is used, the conical block can be driven to move up and down by controlling the adjusting nut to move up and down, so that the inner supporting ejection blocks are driven to synchronously move in the radial direction of the inner supporting limiting disc in two directions, and annular part products of different sizes are clamped and fixed; and therefore, the annular part product can be conveniently welded and processed.

Description

Technical Field

[0001] The utility model relates to the technical field of welding tooling, in particular to a rotary inner-support type welding tooling. Background Art

[0002] my country is accelerating the realization of independent innovation and development of aviation engine and gas turbine industries. The two-machine industry clusters created have far-reaching significance for the accelerated development of my country's military equipment and the transformation of high-end manufacturing design. The core industry logic lies in: at the average price level, decades of scientific research turned to mass production to bring engines into service. For new aviation engine components, the technical requirements that need to be met are also more stringent.

[0003] At present, the tooling used for welding of aircraft engine components has the following defects when in use: it is not suitable for clamping and fixing annular parts of different sizes, which makes the welding operation of annular products difficult. Utility Model Content

[0004] The technical problem to be solved by the utility model is to overcome the above technical difficulties and provide a rotating inner-support type welding tool, which can be suitable for clamping and fixing annular parts products of different sizes, so as to facilitate welding processing thereof.

[0005] In order to solve the above technical problems, the technical solution provided by the utility model is:

[0006] A rotary internal support welding tool, comprising a chassis, a central axis stud, an internal support limiting plate, an internal support ejecting block, a conical block, an internal support pressure plate, an adjusting nut and a workpiece pressure plate; an internal support limiting plate is fixed on the upper side of the chassis, a plurality of limiting notches evenly distributed along the axial direction are formed on the internal support limiting plate, the internal support ejecting block corresponds to the limiting notch, and is movably arranged in the limiting notch and moves radially along the internal support limiting plate, a conical block is movably sleeved on the central axis stud, and the internal support ejecting block is An arcuate chamfered surface is formed at one end of the ejection block and movably connected to the inclined surface of the conical block, and a top connecting plate is integrally formed at the other end. The abutting surface of the top connecting plate is an arc surface, and an argon gas nozzle is arranged on the inner side. The top surface of each inner support ejection block is overlapped with the same inner support pressure plate, which is movably sleeved on the center axis stud, and an adjusting nut on the center axis stud is abutted against the top surface. The top surface of each top connecting plate is overlapped with the same workpiece pressure plate, and the workpiece pressure plate is fixedly arranged on the chassis.

[0007] As an improvement, a concentric positioning plate is overlapped on the top surface of the chassis, and a mounting base is arranged on the lower side. The three are fixed together, and the concentric positioning plate is located at the edge of the chassis.

[0008] As an improvement, a matching metal plate layer is fixed on the abutting surface of the top connecting plate to protect the top connecting plate.

[0009] As an improvement, a plurality of bolt columns are fixed on the upper side of the chassis near the edge, and through holes are reserved on the workpiece pressure plate corresponding to each bolt column. After the bolt columns pass through the through holes, the workpiece pressure plate is fixed by locking nuts.

[0010] As an improvement, the top surface of each inner support ejection block is overlapped with the same inner support limit pressure plate, which is located inside the inner support limit pressure plate and fixed on the inner support limit plate, so as to make each inner support ejection block move more smoothly.

[0011] The advantage of the utility model over the prior art is that when the utility model is in use, the conical block can be driven to move up and down by manipulating the up and down displacement of the adjustment nut, thereby driving each inner support ejection block to synchronously move in two directions along the radial direction of the inner support limit plate, thereby achieving clamping and fixing of annular parts products of different sizes, thereby facilitating welding processing operations on the annular parts products. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the structure of the utility model Figure 1 .

[0013] Figure 2 This is a schematic diagram of the structure of the utility model Figure 2 .

[0014] Figure 3 It is a partial structural diagram of the utility model Figure 1 .

[0015] Figure 4 It is a partial structural diagram of the utility model Figure 2 .

[0016] As shown in the figure: 1. Chassis; 2. Central axis stud; 3. Internal support limit plate; 4. Internal support ejection block; 5. Conical block; 6. Internal support pressure plate; 7. Adjusting nut; 8. Workpiece pressure plate; 9. Limiting notch; 10. Top connecting plate; 11. Argon gas nozzle; 12. Concentric positioning plate; 13. Mounting base; 14. Metal plate layer; 15. Bolt column; 16. Locking nut; 17. Internal support limit pressure plate. DETAILED DESCRIPTION

[0017] In the description of the present utility model, it should be understood that the terms "center", "lateral", "up", "down", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more. In addition, the term "including" and any variation thereof are intended to cover non-exclusive inclusions.

[0018] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0019] A rotary internal support welding tool comprises a chassis 1, a central axis stud 2, an internal support limiting plate 3, an internal support ejection block 4, a conical block 5, an internal support pressure plate 6, an adjusting nut 7 and a workpiece pressure plate 8. Specifically:

[0020] An inner support limiting plate 3 is fixed on the upper side of the chassis 1, and eight limiting notches 9 are formed on the inner support limiting plate 3 that are evenly distributed along the axial direction. The inner support ejection block 4 corresponds to the limiting notch 9, and is movably arranged in the limiting notch 9, and moves radially along the inner support limiting plate 3. A conical block 5 is movably sleeved on the central axis stud 2, and one end of the inner support ejection block 4 forms an arc chamfered surface movably connected to the inclined surface of the conical block 5, and the other end is integrally formed with a top connecting plate 10, the abutting surface of the top connecting plate 10 is an arc surface, and a matching metal plate layer 14 is fixed on the abutting surface, and an argon gas nozzle 11 is arranged on the inner side, and the same inner support pressure plate 6 is overlapped on the top surface of each inner support ejection block 4, and the inner support pressure plate 6 is movably sleeved on the central axis stud 2, and An adjusting nut 7 is provided on the top surface to abut against the threaded sleeve on the central axis stud 2, and the same workpiece pressure plate 8 is overlapped on the top surface of each top connecting plate 10. Four bolt columns 15 are fixed on the upper side of the chassis 1 near the edge, and through holes are reserved on the workpiece pressure plate 8 corresponding to each bolt column 15. After the bolt column 15 passes through the through hole, the workpiece pressure plate 8 is fixed by a locking nut 16. The same inner support limiting pressure plate 17 is overlapped on the top surface of each inner support ejection block 4, the inner support pressure plate 6 is located on the inner side of the inner support limiting pressure plate 17, and the inner support limiting pressure plate 17 is fixed on the inner support limiting plate 3, a concentric positioning plate 12 is overlapped on the top surface of the chassis 1, and a mounting base 13 is provided on the lower side. The three are fixed together, and the concentric positioning plate 12 is located at the edge of the chassis 1.

[0021] During the specific implementation of this embodiment: the product is put on the concentric positioning plate 12, and then the adjusting nut 7 is rotated clockwise to move it downward, thereby driving the inner support pressure plate 6 to move downward, and then pushing each inner support ejection block 4 to move in the direction close to the annular product at the same time, until the metal plate layer 14 and the inner surface of the product are tightly squeezed and contacted together, and then the workpiece pressure plate 8 is installed and fixed to the annular product by the locking nut 16, so that the annular product can be firmly fixed.

[0022] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. A rotary internal support welding tool, characterized in that: The invention comprises a chassis (1), a central axis stud (2), an inner support limiting plate (3), an inner support ejecting block (4), a conical block (5), an inner support pressure plate (6), an adjusting nut (7) and a workpiece pressure plate (8); the inner support limiting plate (3) is fixed on the upper side of the chassis (1); a plurality of limiting notches (9) evenly distributed along the axial direction are formed on the inner support limiting plate (3); the inner support ejecting block (4) corresponds to the limiting notch (9) and is movably arranged in the limiting notch (9) and moves radially along the inner support limiting plate (3); a conical block (5) is movably sleeved on the central axis stud (2); and the inner support ejecting block ( 4) One end forms an arcuate chamfered surface that is movably connected to the inclined surface of the conical block (5), and the other end is integrally formed with a top connecting plate (10), the contact surface of the top connecting plate (10) is an arc surface, and an argon gas nozzle (11) is arranged on the inner side, and the top surface of each inner support ejection block (4) is overlapped with the same inner support pressure plate (6), the inner support pressure plate (6) is movably sleeved on the central axis stud (2), and the top surface is abutted with an adjusting nut (7) on the central axis stud (2), and the top surface of each top connecting plate (10) is overlapped with the same workpiece pressure plate (8), and the workpiece pressure plate (8) is fixedly arranged on the chassis (1).

2. The rotary internal support welding tool according to claim 1, characterized in that: A concentric positioning plate (12) is overlapped on the top surface of the chassis (1), and a mounting base (13) is arranged on the lower side. The three are fixed together, and the concentric positioning plate (12) is located at the edge of the chassis (1).

3. The rotary internal support welding tool according to claim 1, characterized in that: A matching metal plate layer (14) is fixed on the abutment surface of the top contact plate (10).

4. The rotary internal support welding tool according to claim 1, characterized in that: A plurality of bolt columns (15) are fixed on the upper side of the chassis (1) near the edge, and through holes are reserved on the workpiece pressure plate (8) corresponding to each bolt column (15). After the bolt columns (15) pass through the through holes, the workpiece pressure plate (8) is fixed by a locking nut (16).

5. The rotary internal support welding tool according to claim 1, characterized in that: The top surface of each inner support ejection block (4) is overlapped with the same inner support limit pressure plate (17), the inner support pressure plate (6) is located inside the inner support limit pressure plate (17), and the inner support limit pressure plate (17) is fixed on the inner support limit plate (3).

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