CN215508398U - Circular degree finishing device for ring forging - Google Patents
Circular degree finishing device for ring forging Download PDFInfo
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- CN215508398U CN215508398U CN202122156235.8U CN202122156235U CN215508398U CN 215508398 U CN215508398 U CN 215508398U CN 202122156235 U CN202122156235 U CN 202122156235U CN 215508398 U CN215508398 U CN 215508398U
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- piston rod
- ring forging
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Abstract
The utility model discloses a roundness trimming device for a ring forging, which comprises: work platform and hydraulic means. Wherein: the upper surface of the operation platform is arranged flatly, a hydraulic device is arranged on the lower surface of the operation platform, and three support legs which are distributed annularly and are spaced by 120 degrees are welded at the edge of the lower surface of the operation platform; the hydraulic device comprises a hydraulic cylinder, a piston rod and fixing cushion blocks, the end parts of the piston rod are welded with the fixing cushion blocks, the fixing cushion blocks are used for being fixed on two sides of the large-diameter outer edge of the ring forging, the fixing cushion blocks are contracted through the pulling force of the piston rod, and then the roundness of the ring forging is trimmed. The method has the advantages of simple operation and low cost, can adjust the ovality of the ring forging, and has universal applicability to the size of the ring forging.
Description
Technical Field
The utility model relates to the field of ring forging production equipment, in particular to a roundness trimming device for a ring forging.
Background
The ring forging is an important component of engineering mechanical equipment and is widely applied to important fields of wind power generation, nuclear energy, petrochemical industry, aerospace and the like. The roundness error of the ring piece is an important index for evaluating the size precision of the ring piece, during the actual production and rolling process of the ring forging piece, deviation occurs in the rolling of the ring forging piece due to the influences of improper manual operation, equipment aging or rolling temperature and the like, the roundness of the ring forging piece deviates from the error range, and an oval or deformed ring forging piece is generated.
Disclosure of Invention
Aiming at the problems, the utility model designs the roundness trimming device for the ring forging.
The technical scheme adopted by the utility model is as follows: the utility model provides a ring rolling spare circularity trimming device, includes operation platform and hydraulic means. The upper surface of the operation platform is arranged flatly, the lower surface of the operation platform is provided with a hydraulic device, and the edge of the lower surface of the operation platform is welded with three supporting legs (4) which are distributed annularly and are spaced by 120 degrees; the hydraulic device comprises a hydraulic cylinder (5), a piston rod (6) and a fixed cushion block (7), and the end part of the piston rod (6) is welded with the fixed cushion block (7). The fixed cushion blocks (7) are used for being fixed on two sides of the outer edge of the large diameter of the ring forging, the fixed cushion blocks (7) are contracted through the pulling force of the piston rod (6), and then the roundness of the ring forging is trimmed.
Further, aforementioned ring rolling spare circularity trimming device, wherein: the structure of the operation platform comprises an inner supporting ring (1), an outer supporting ring (2) and connecting frames (3), wherein the inner supporting ring (1) and the outer supporting ring (2) are welded through four connecting frames (3) which are symmetrically distributed in the circumferential direction, grooves are formed in the lower surfaces of the outer supporting ring (2) and the two connecting frames (3) which are symmetrically distributed in the circumferential direction, and the shape of each groove is basically consistent with that of a hydraulic device.
Further, aforementioned ring rolling spare circularity trimming device, wherein: the hydraulic device is formed by sequentially connecting a hydraulic cylinder (5) and a piston rod (6), wherein the hydraulic cylinder (5) is a double-piston-rod (6) hydraulic cylinder; the hydraulic cylinder (5) is connected with the piston rod (6) in a flange mode, and a cylinder barrel of the hydraulic cylinder (5) is fixed in a groove in the lower surface of the connecting frame (3) of the operation platform in a welding mode.
Further, aforementioned ring rolling spare circularity trimming device, wherein: the head of the fixed cushion block (7) is arc-shaped, the diameter of the fixed cushion block is symmetrically distributed along the outer supporting ring (2), a rubber layer is laid on the outer layer of the fixed cushion block (7), and the rubber layer is used for preventing the defects that pits and the like appear on the surface of the ring forging due to overlarge hydraulic pressure.
The utility model has the following positive beneficial effects: the roundness trimming device for the ring forging can perform roundness trimming on the ring forging in a short time, reduces fussy procedures of the roundness trimming and reduces production cost; the piston rod is contracted, so that the adaptability to the size of the ring forging is improved; the rubber layer is laid on the fixed cushion block, so that pits on the outer surface of the workpiece caused by overlarge pressure are avoided.
Description of the drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of the present invention;
FIG. 3 is a schematic view of the hydraulic apparatus of the present invention;
description of reference numerals: 1-inner supporting ring, 2-outer supporting ring, 3-connecting frame, 4-supporting leg, 5-hydraulic cylinder, 6-piston rod and 7-fixing cushion block.
Detailed Description
For the purpose of enhancing an understanding of the present invention, the present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1, utility model designs a ring forging circularity trimming device includes: work platform and hydraulic means. The upper surface of the operation platform is arranged flatly, the lower surface of the operation platform is provided with a hydraulic device, and the edge of the lower surface is welded with three supporting legs 4 which are distributed annularly and are spaced by 120 degrees; the hydraulic device comprises a hydraulic cylinder (5), a piston rod 6 and a fixed cushion block 7, and the end part of the piston rod 6 is welded with the fixed cushion block 7. The fixed cushion blocks 7 are used for being fixed on two sides of the outer edge of the large diameter of the ring forging, and the fixed cushion blocks 7 are contracted through the pulling force of the piston rod 6, so that the roundness of the ring forging is trimmed.
In the embodiment, the operation platform comprises an inner support ring 1 and an outer support ring 2, the inner support ring 1 and the outer support ring 2 are welded through four connecting frames 3 which are annularly and symmetrically distributed, wherein the lower surfaces of the outer support ring 2 and the two connecting frames 3 which are symmetrically distributed are provided with grooves, the shape of the groove is basically consistent with that of the hydraulic device,
the hydraulic device is formed by sequentially connecting a hydraulic cylinder 5 and a piston rod 6, wherein the hydraulic cylinder 5 is a double-piston-rod 6 hydraulic cylinder; the hydraulic cylinder 5 is connected with the piston rod 6 through a flange, and a cylinder barrel of the hydraulic cylinder 5 is fixed in a groove on the lower surface of the connecting frame 3 of the operation platform through welding.
The head of the fixed cushion block 7 is arc-shaped, the diameter of the fixed cushion block is symmetrically distributed along the outer supporting ring (2), a rubber layer is laid on the outer layer of the fixed cushion block 7, and the rubber layer is used for preventing the defects that pits and the like appear on the surface of the ring forging piece due to overlarge hydraulic pressure.
The method comprises the following specific implementation steps: the method comprises the steps of horizontally placing the ring forging needing roundness correction on the upper surface of an operation platform, opening a hydraulic device, enabling fixing cushion blocks 7 symmetrically arranged along the diameter of the ring forging to be placed on two sides of the large-diameter outer edge of the ring forging, enabling the fixing cushion blocks 7 to be fixed on the large-diameter outer edge of the ring forging through contraction of two piston rods 6, enabling the two sides of the large diameter of the ring forging to be contracted towards the direction of the circle center simultaneously, measuring the change of the diameter of the ring forging through manual real-time measurement or an infrared measuring instrument, and finishing work when the large diameter of the ring forging reaches the size diameter required by design.
Although the present invention has been described in detail in the foregoing embodiments, it will be apparent to those skilled in the art that modifications and equivalents may be made in the embodiments described above, or some features may be substituted for those skilled in the art. 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 (4)
1. The utility model provides a ring forging circularity trimming device which characterized in that: comprises a working platform and a hydraulic device; the upper surface of the operation platform is arranged flatly, the lower surface of the operation platform is provided with a hydraulic device, and the edge of the lower surface of the operation platform is welded with three supporting legs (4) which are distributed annularly and are spaced by 120 degrees; the hydraulic device comprises a hydraulic cylinder (5), a piston rod (6) and a fixed cushion block (7), and the end part of the piston rod (6) is welded with the fixed cushion block (7); the fixed cushion blocks (7) are used for being fixed on two sides of the outer edge of the large diameter of the ring forging, the fixed cushion blocks (7) are contracted through the pulling force of the piston rod (6), and then the roundness of the ring forging is trimmed.
2. The roundness trimming device for ring forgings according to claim 1, wherein: the operation platform comprises an inner supporting ring (1), an outer supporting ring (2) and connecting frames (3), wherein the inner supporting ring (1) and the outer supporting ring (2) are welded through the four connecting frames (3) which are symmetrically distributed in the circumferential direction, and grooves are formed in the lower surfaces of the outer supporting ring (2) and the two connecting frames (3) which are symmetrically distributed.
3. The roundness trimming device for ring forgings according to claim 1, wherein: the hydraulic device is formed by sequentially connecting a hydraulic cylinder (5) and a piston rod (6), wherein the hydraulic cylinder (5) is a double-piston-rod (6) hydraulic cylinder; the hydraulic cylinder (5) is connected with the piston rod (6) in a flange mode, and a cylinder barrel of the hydraulic cylinder (5) is fixed in a groove in the lower surface of the connecting frame (3) of the operation platform in a welding mode.
4. The roundness trimming device for ring forgings according to claim 1, wherein: the head of the fixed cushion block (7) is arc-shaped, the head is symmetrically distributed along the diameter of the outer supporting ring (2), and a rubber layer is laid on the outer layer of the fixed cushion block (7).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202122156235.8U CN215508398U (en) | 2021-09-08 | 2021-09-08 | Circular degree finishing device for ring forging |
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CN202122156235.8U CN215508398U (en) | 2021-09-08 | 2021-09-08 | Circular degree finishing device for ring forging |
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CN215508398U true CN215508398U (en) | 2022-01-14 |
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CN202122156235.8U Active CN215508398U (en) | 2021-09-08 | 2021-09-08 | Circular degree finishing device for ring forging |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114653786A (en) * | 2022-02-22 | 2022-06-24 | 中国水电四局(兰州)机械装备有限公司 | Door shaft rounding device for manufacturing protective door |
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2021
- 2021-09-08 CN CN202122156235.8U patent/CN215508398U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114653786A (en) * | 2022-02-22 | 2022-06-24 | 中国水电四局(兰州)机械装备有限公司 | Door shaft rounding device for manufacturing protective door |
CN114653786B (en) * | 2022-02-22 | 2024-04-02 | 中国水电四局(兰州)机械装备有限公司 | Door-hinge rounding device for manufacturing protective door |
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