CN218591496U

CN218591496U - Auxiliary device for straightening thin-wall bobbin part

Info

Publication number: CN218591496U
Application number: CN202222871355.0U
Authority: CN
Inventors: 袁小婷; 魏斌; 王斌
Original assignee: MCC SFRE Heavy Industry Equipment Co Ltd
Current assignee: MCC SFRE Heavy Industry Equipment Co Ltd
Priority date: 2022-10-28
Filing date: 2022-10-28
Publication date: 2023-03-10
Anticipated expiration: 2032-10-28

Abstract

The utility model discloses an auxiliary device for straightening thin-wall bobbin parts, which comprises a buffer transition piece and two positioning cushion blocks; the bottom of each positioning cushion block is provided with a limiting convex strip, and one end of each positioning cushion block, which is far away from the limiting convex strip, is provided with a V-shaped sinking platform corresponding to the thin-wall bobbin part to be straightened; the buffering transition piece is of a rectangular structure, an arc-shaped sinking platform is arranged on the bottom surface of the buffering transition piece corresponding to the thin-wall bobbin part to be straightened, and the widths of the V-shaped sinking platform and the arc-shaped sinking platform at the opening positions are not larger than the radial size of the thin-wall bobbin part to be straightened. The utility model relates to an auxiliary device for straightening thin-wall cylinder parts, which solves the problems of local collapse or straightening fracture and the like of thin-wall cylinder sub-parts to a certain extent, thereby ensuring the reliability and stability of the straightening of the thin-wall cylinder sub-parts; the auxiliary device has the advantages of convenient and fast structure operation, lower cost control and certain practical significance.

Description

Auxiliary device for straightening thin-wall bobbin part

Technical Field

The utility model belongs to the technical field of mechanical auxiliary fixtures, concretely relates to an auxiliary device for alignment of thin wall tube part.

Background

Because the thin-wall cylinder part has low structural strength and large stress during processing, most thin-wall cylinder parts can generate serious deformation during the processing process and the heat treatment process, subsequent processing cannot be carried out, and only a mechanical straightening method can be adopted to control the deformation within a allowance range, and then the subsequent processing is carried out. The straightening mechanism aims at the problem that parts of the type are not provided with a proper processing mode all the time in the straightening process, so that various problems such as local collapse or straightening fracture often occur in the straightening process, and the structure strength of the parts is low, deformation in the heat treatment process is inevitable, certain trouble is brought to actual production, the product quality and the production progress can be influenced, and certain direct economic loss is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an auxiliary device for alignment of thin wall section of thick bamboo part has solved current thin wall section of thick bamboo subclass part and has probably appeared that local collapse, perhaps alignment fracture partly problem in the alignment process.

The technical proposal adopted by the utility model is that;

an auxiliary device for straightening thin-wall bobbin parts comprises a buffer transition piece and two positioning cushion blocks; the bottom of each positioning cushion block is provided with a limiting convex strip, and a V-shaped sinking platform is arranged at one end of each positioning cushion block, which is far away from the limiting convex strip, corresponding to the thin-wall bobbin part to be straightened; the buffering transition piece is of a rectangular structure, an arc-shaped sinking platform is arranged on the bottom surface of the buffering transition piece corresponding to the thin-wall bobbin part to be straightened, and the widths of the V-shaped sinking platform and the arc-shaped sinking platform at the opening positions are not larger than the radial size of the thin-wall bobbin part to be straightened.

The utility model is also characterized in that;

the V-shaped sinking platform is provided with a first smooth fillet at the connecting position of the V-shaped sinking platform and the upper plane of the positioning cushion block.

And a second smooth fillet is arranged at the connecting position of the circular arc sinking platform and the bottom surface of the buffer transition piece.

The diameter of the inner circle of the arc sinking platform is controlled to be 1mm-1.5mm larger than the outer diameter of the thin-wall bobbin part to be straightened.

The distance from the lowest point in the arc sinking platform to the top surface of the buffer transition piece is controlled to be 2-2.5 times of the wall thickness of the thin-wall bobbin part to be straightened.

The beneficial effects of the utility model are that:

the utility model relates to an auxiliary device for straightening thin-wall cylinder parts, the auxiliary straightening tool for thin-wall cylinder subclass parts can be conveniently used in the straightening process of the parts, and finally various problems of local collapse or straightening fracture and the like of the thin-wall cylinder subclass parts in the existing straightening process are solved because the contact area between a pressure head and a workpiece is increased to a certain extent, thereby ensuring the reliability and stability of the straightening of the parts; the auxiliary tool is low in manufacturing cost, simple in structure, convenient to operate, safe, reliable and reusable in batch of parts.

Drawings

Fig. 1 is a schematic view of an installation structure of an auxiliary device for straightening thin-wall bobbin parts in the straightening process of the present invention;

FIG. 2 is a schematic structural diagram of a semi-circular transition steel plate in the auxiliary device for straightening thin-wall bobbin parts according to the present invention;

FIG. 3 is a schematic structural diagram of a V-shaped supporting cushion block in the auxiliary device for straightening thin-wall bobbin parts according to the present invention;

fig. 4 is a schematic top view of a straightening worktable in an auxiliary device for straightening thin-wall bobbin parts according to the present invention.

In the figure, 1, a straightening working platform and 2, a positioning cushion block; 21. a limiting convex strip, a 22.V-shaped sinking platform and a 23. First smooth round angle; 3. a thin-wall bobbin part to be straightened, and 4. A buffer transition piece; 41. the second smooth round angle, 42 arc sinking platform, 5 press head, 6 limit groove.

Detailed Description

The following provides a further detailed description of the auxiliary device for straightening thin-wall bobbin parts according to the present invention with reference to the accompanying drawings and the detailed description thereof.

As shown in fig. 1 and 4, the utility model provides an auxiliary device for alignment of thin wall tube part, this auxiliary device match are used in the alignment to press the machine workstation, and the press machine workstation is used in the alignment includes alignment work platform 1, and alignment work platform 1 has spacing recess 6 certainly, and spacing recess 6 is the elongated slot. A press head 5 is arranged on the upper part of the working surface of the straightening working platform 1;

an auxiliary device: the buffer transition piece 4 is characterized by comprising a buffer transition piece 4, wherein the outer part of the buffer transition piece is of a rectangular structure as a whole, and one side surface of the buffer transition piece is provided with an arc-shaped sunken platform.

As shown in fig. 3, the straightening device further includes two positioning cushion blocks 2 as an auxiliary straightening part, the bottoms of the two positioning cushion blocks 2 are provided with limiting convex strips 21, the limiting convex strips 21 can slide in limiting grooves 6 of the straightening work platform 1 to a required position, and the positioning cushion blocks 2 are provided with V-shaped sinking platforms 22 at the other ends of the limiting convex strips 21 to support and position the thin-wall bobbin parts 3 to be straightened in the straightening operation. The limit convex strips 21 of the two positioning cushion blocks 2 are matched with the press machine workbench for straightening, and the limit convex strips 21 and the limit grooves 6 are convenient for horizontally adjusting the distance, so that the straightness accuracy is ensured. The transition portions of the V-shaped sinkers 22 each have a first smooth fillet 23.

As shown in fig. 2, the upper surface of the buffer transition piece 4 is a horizontal plane with a certain width, and the width of the buffer transition piece 4 is slightly smaller than the press ram 5 according to the size of the press ram 5, as an embodiment, it is generally selected from 80-100mm, the bottom surface of the buffer transition piece 4 is provided with an arc sinking platform 42, and the arc sinking platform 42 and the transition portion of the buffer transition piece 4 are provided with a second smooth fillet 41.

As an embodiment, the diameter of the inner arc surface of the buffer transition piece 4 is 1mm-1.5mm larger than the outer diameter of the thin-wall bobbin part 3 to be straightened, the adhesion of the buffer transition piece 4 and the arc surface of the bobbin part 3 in the straightening process can be ensured to at least reach 1/4 of the circumference, and the width is 80-100mm, the line contact in the conventional pressing process is improved into the surface contact to a certain extent, the contact surface area of the pressing head 5 of the press and the thin-wall bobbin part 3 to be straightened is increased, and the risks of local collapse and straightening fracture of the thin-wall bobbin part 3 to be straightened possibly caused by the fact that the pressing contact surface is too small in the straightening process are effectively reduced.

As an embodiment, in actual operation, the distance between the highest point of the inner arc surface of the buffering transition piece 4 and the upper plane effective thickness a is selected to be 2-2.5 times of the wall thickness of the thin-wall bobbin part 3 to be aligned, the thickness b of the thinnest part at two sides is selected to be 25-30mm, the inner arc surface of the buffering transition piece 4 is slightly smaller than the semi-circular arc of the thin-wall bobbin part 3 to be aligned, and the portability and the practicability of the buffering transition piece 4 can be improved.

The utility model relates to an auxiliary device for straightening thin-wall bobbin parts, which has the working process that,

marking a high point of a deformed thin-wall bobbin part 3 to be straightened, determining the horizontal distance between two positioning cushion blocks 2 according to the position of the marked high point and the length of the thin-wall bobbin part 3 to be straightened, in the straightening process, keeping a certain distance between the two positioning cushion blocks 2 and placing the thin-wall bobbin part 3 to be straightened on the two positioning cushion blocks 2, placing the deformed high point of the thin-wall bobbin part 3 to be straightened upwards and placing the deformed high point of the thin-wall bobbin part 3 to be straightened under a pressure head 5 of a press, vertically placing a buffer transition piece 4 at the high point of the thin-wall bobbin part 3 to be straightened, closely attaching the buffer transition piece to the outer side wall of the thin-wall bobbin part 3 to be straightened, operating the pressure head 5 of the press to vertically press the pressure head of the press, adjusting the pressing distance according to the deformation of the thin-wall bobbin part 3 to be straightened, and finally completing the effective straightening of the deformed thin-wall bobbin part 3 to be straightened through the auxiliary straightening tool.

The utility model relates to an auxiliary device for straightening thin-wall cylinder parts, which solves the problems of local collapse or straightening fracture and the like of thin-wall cylinder sub-parts to a certain extent, thereby ensuring the reliability and stability of the straightening of the thin-wall cylinder sub-parts; the auxiliary device has the advantages of convenient and fast structure operation, lower cost control and certain practical significance.

Claims

1. An auxiliary device for straightening thin-wall bobbin parts is characterized by comprising a buffering transition piece (4) and two positioning cushion blocks (2); a limiting convex strip (21) is arranged at the bottom of each positioning cushion block (2), and a V-shaped sinking platform (22) is arranged at one end, far away from the limiting convex strip (21), of each positioning cushion block (2) and corresponds to the thin-wall bobbin part (3) to be straightened; the buffer transition piece (4) is of a rectangular structure, an arc sinking platform (42) is arranged on the bottom surface of the buffer transition piece (4) corresponding to the thin-wall bobbin part (3) to be straightened, and the widths of the V-shaped sinking platform (22) and the arc sinking platform (42) at the opening positions are not larger than the radial size of the thin-wall bobbin part (3) to be straightened.

2. The auxiliary device for straightening the thin-wall bobbin part according to claim 1, characterized in that a first smooth fillet (23) is arranged at the connecting position of the V-shaped sinking platform (22) and the upper plane of the positioning cushion block (2).

3. The auxiliary device for straightening the thin-wall bobbin part according to claim 1, wherein the circular arc sinking platform (42) is provided with a second smooth fillet (41) at the connecting position with the bottom surface of the buffer transition piece (4).

4. The auxiliary device for straightening the thin-wall bobbin parts according to claim 1, characterized in that the diameter of the inner circle of the circular arc sinking platform (42) is controlled to be 1mm-1.5mm larger than the outer diameter of the thin-wall bobbin parts (3) to be straightened.

5. An auxiliary device for straightening thin-wall bobbin parts according to claim 4, characterized in that the distance from the lowest point in the circular arc sinking platform (42) to the top surface of the buffer transition piece (4) is controlled to be 2-2.5 times of the wall thickness of the thin-wall bobbin parts (3) to be straightened.