CN204657366U - A kind of shaped device for forging annulus - Google Patents
A kind of shaped device for forging annulus Download PDFInfo
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- CN204657366U CN204657366U CN201520372261.6U CN201520372261U CN204657366U CN 204657366 U CN204657366 U CN 204657366U CN 201520372261 U CN201520372261 U CN 201520372261U CN 204657366 U CN204657366 U CN 204657366U
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- forging
- pattern
- annulus
- arc surface
- shaped device
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Abstract
The utility model provides a kind of shaped device for forging annulus, comprise pattern, lower pattern, clamping device, forging equipment and bracing or strutting arrangement, described clamping device is positioned at the side of described lower pattern upper surface, described bracing or strutting arrangement is positioned at the opposite side of described lower pattern upper surface, one end of described gripping apparatus grips forging material, the described forging material other end is placed with on described bracing or strutting arrangement, described forging equipment is positioned at the top of described upper pattern and lower pattern, described upper pattern is provided with convex arc surface, described lower pattern is provided with the sunken arcs face corresponding with described upper convex arc surface, upper and lower shaped device is adopted each forging to be expected the slab forging out, bend to the circular arc close with the external diameter radian that will forge annulus, each circular arc welding is also formed full circle by finally processing, compared with the Forging Technology of the forging of ring of prior art, not only cost-saving, also substantially increase forging operation, and forging surplus is little, product quality is good, substantially increase operating efficiency.
Description
Technical field
The utility model relates to forging field, particularly relates to a kind of shaped device for forging annulus.
Background technology
Forging is that one utilizes metal forming machinery to apply pressure to metal stock, makes it produce plastic deformation to obtain the processing method with certain mechanical performance, definite shape and size forging.Can eliminate the defects such as cast condition that metal produces in smelting process is loose by forging, optimize heterogeneous microstructure, simultaneously owing to saving complete metal streamline, the mechanical performance of forging is generally better than the foundry goods of same material.
Metal can improve its institutional framework and mechanical property after forging processing, cast sturcture after forging method thermal processing distortion due to the distortion of metal and recrystallization, original large dendritic crystal and columnar grain is made to become the axle recrystallized structures such as crystal grain is thinner, of uniform size, make compacting and the seam such as original segregation in steel ingot, loose, pore, slag inclusion, its tissue becomes more tight, improves plasticity and the mechanical property of metal.
Metal forging annulus because its shape and structure compact, strength reliability good, precision is high, therefore progressively apply by large-scale winning equipment.But because metal forging annulus is all large gauge, diameter is comparatively large, and inner width is compact, profile is large, Heavy Weight, and forging process is quite difficult, and often forging roughing blank does not reach processing request, increases production cost.
At present, in prior art, when needs forging forging of ring, because the diameter of this forging of ring is larger, often need large tonnage hydraulic press, and large tonnage hydraulic press is expensive, even the internal diameter of some forging of rings exceeds more greatly the working range of hydraulic press or ring rolls, makes the production for this forging be difficult to realize.
Therefore, research and develop a kind of structure simple, forging yields is high, and the less annulus forging and forming device of manufacturing procedure seems urgent and important especially.
Utility model content
For the deficiencies in the prior art, the utility model provides a kind of shaped device for forging annulus to adopt the mode of segmentation to carry out annulus forging, then each section of welding is formed full circle, not only cost-saving, also substantially increase the operability of forging, and forging surplus is little, product quality is good, substantially increases operating efficiency.
In order to solve the problems of the technologies described above, the utility model provides a kind of shaped device for forging annulus, it is characterized in that, comprise pattern, lower pattern, clamping device, forging equipment and bracing or strutting arrangement, described upper pattern bottom surface is provided with the first arc surface of outwardly convex, described first arc surface is positioned at the centre position of described upper pattern bottom surface, described lower pattern end face is provided with the second arc surface caved inward, described second arc surface is positioned at the centre position of described lower pattern end face, when upper pattern is fastened on lower pattern, between described first arc surface and described second arc surface, there is distance, described distance equals the thickness forging annulus,
Described clamping device is arranged on the side of described lower pattern upper surface, and described bracing or strutting arrangement is fixedly connected on described lower pattern, and is positioned at the opposite side relative with described clamping device, and described forging equipment is arranged on directly over described upper pattern.
Preferably, the corresponding diameter of a circle of the first arc surface of described upper pattern equals the internal diameter of annulus to be processed.
Particularly, the corresponding diameter of a circle of the second arc surface of described lower pattern equals the external diameter of annulus to be processed.
Alternatively, described first arc surface and the second arc surface surface all have a metal rust preventing layer.
Preferably, described clamping device comprises train wheel bridge, lower plate and connecting plate, described train wheel bridge and lower plate are respectively at the connection of connecting plate, and described train wheel bridge and described lower plate parallel, and form the accommodation section of clamping forging material between described train wheel bridge and described lower plate.
Particularly, described clamping device also comprises screw, and described train wheel bridge has internal thread, described screw precession or screw out the internal thread of described train wheel bridge, thus the distance between adjustment screw lower end and described lower plate.
Further, described lower plate is fixedly connected with described lower pattern.
A kind of shaped device for forging annulus that the utility model provides, has following beneficial effect:
A kind of shaped device for forging annulus that the utility model provides, adopt the upper and lower die forging of segmentation, after forging material is heat-treated, upper and lower shaped device is utilized each forging to be expected the slab forging out, bend to the circular arc close with the external diameter radian that will forge annulus, each circular arc welding is also formed full circle by finally processing, compared with the Forging Technology of forging of ring of the prior art, not only cost-saving, also substantially increase forging operation, and forging surplus is little, product quality is good, substantially increases operating efficiency.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical solution of the utility model, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
A kind of shaped device structural representation for forging annulus that Fig. 1 provides for the utility model embodiment.
Wherein, in figure, Reference numeral corresponds to: the upper pattern of 1-, pattern under 2-, 3-clamping device, 4-forging equipment, 5-bracing or strutting arrangement, and 6-forges material, 31-train wheel bridge, 32-lower plate, 33-connecting plate.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite of not making creative work, all belongs to the scope of the utility model protection.
As shown in Figure 1, in order to solve the problems of the technologies described above, the utility model provides a kind of shaped device for forging annulus, it is characterized in that, comprise pattern 1, lower pattern 2, clamping device 3, forging equipment 4 and bracing or strutting arrangement 5, described upper pattern 1 bottom surface is provided with the first arc surface of outwardly convex, described first arc surface is positioned at the centre position of described upper pattern 1 bottom surface, described lower pattern 2 end face is provided with the second arc surface caved inward, described second arc surface is positioned at the centre position of described lower pattern 2 end face, when upper pattern 1 is fastened on lower pattern 2, between described first arc surface and described second arc surface, there is distance, described distance equals the thickness forging annulus,
Described clamping device 3 is arranged on the side of described lower pattern 2 upper surface, and described bracing or strutting arrangement 5 is fixedly connected on described lower pattern 2, and is positioned at the opposite side relative with described clamping device 3, and described forging equipment 4 is arranged on directly over described upper pattern.
Preferably, the corresponding diameter of a circle of the first arc surface of described upper pattern 1 equals the internal diameter of annulus to be processed.
Particularly, the corresponding diameter of a circle of the second arc surface of described lower pattern 2 equals the external diameter of annulus to be processed.
Alternatively, described first arc surface and the second arc surface surface all have a metal rust preventing layer.
Preferably, described clamping device 3 comprises train wheel bridge 31, lower plate 32 and connecting plate 33, described train wheel bridge 31 and lower plate 32 are respectively at the connection of connecting plate 33, described train wheel bridge 31 and described lower plate 32 parallel, and form the accommodation section of clamping forging material between described train wheel bridge 31 and described lower plate 32.
Particularly, described clamping device 3 also comprises screw, and described train wheel bridge 31 has internal thread, described screw precession or screw out the internal thread of described train wheel bridge 31, thus the distance between adjustment screw lower end and described lower plate 32.
Further, described lower plate 32 is fixedly connected with described lower pattern 2.
The utility model also provides a kind of shaped device forging method for forging annulus, comprises the following steps:
The first step: the diameter processing annulus as requested, calculates the girth of this annulus, perimeter value is divided into multistage, setting down annulus;
Second step: by the segment value cutting forging material described in step 1;
3rd step: make the lower pattern with sunken arcs section, the corresponding diameter of a circle of described sunken arcs section is equal with the external diameter of annulus to be processed, make the upper pattern with epirelief arc section, the corresponding diameter of a circle of described epirelief arc section is equal with the internal diameter of annulus to be processed;
4th step: sunken arcs forging material described in step 2 being placed in lower pattern described in step 3, forging equipment is used to forge forging material, one end of forging material is fixed by clamping device, because lower pattern is provided with sunken arcs section, the corresponding diameter of a circle of sunken arcs section is equal with the external diameter of annulus to be processed, upper pattern is provided with epirelief circular arc, the corresponding diameter of a circle of epirelief circular arc is equal with the internal diameter of annulus to be processed, make forging material bending forming gradually in the forging process of forging equipment, the crooked radian of described brake forming is consistent with the radian of sunken arcs;
5th step: each profiled member of step 4 brake forming is carried out the defects such as fine finishining process overlap and then weld together, forms annulus.
A kind of shaped device for forging annulus that the utility model provides, has following beneficial effect:
A kind of shaped device for forging annulus that the utility model provides, adopt the upper and lower die forging of segmentation, after forging material is heat-treated, upper and lower shaped device is utilized each forging to be expected the slab forging out, bend to the circular arc close with the external diameter radian that will forge annulus, each circular arc welding is also formed full circle by finally processing, compared with the Forging Technology of the forging of ring of prior art, not only cost-saving, also substantially increase forging operation, and forging surplus is little, product quality is good, substantially increases operating efficiency.
Above disclosedly be only several preferred embodiment of the present utility model, certainly can not limit the interest field of the utility model with this, therefore according to the equivalent variations that the utility model claim is done, still belong to the scope that the utility model is contained.
Claims (7)
1. for forging a shaped device for annulus, it is characterized in that, comprising pattern (1), lower pattern (2), clamping device (3), forging equipment (4) and bracing or strutting arrangement (5),
Described upper pattern (1) bottom surface is provided with the first arc surface of outwardly convex, described first arc surface is positioned at the centre position of described upper pattern (1) bottom surface, described lower pattern (2) end face is provided with the second arc surface caved inward, described second arc surface is positioned at the centre position of described lower pattern (2) end face, when upper pattern (1) is fastened on lower pattern (2), between described first arc surface and described second arc surface, there is distance, described distance equals the thickness forging annulus
Described clamping device (3) is arranged on the side of described lower pattern (2) upper surface, described bracing or strutting arrangement (5) is fixedly connected on described lower pattern (2), and being positioned at the opposite side relative with described clamping device (3), described forging equipment (4) is arranged on directly over described upper pattern (1).
2. a kind of shaped device for forging annulus according to claim 1, is characterized in that, the corresponding diameter of a circle of the first arc surface of described upper pattern (1) equals the internal diameter of annulus to be processed.
3. a kind of shaped device for forging annulus according to claim 1, is characterized in that, the corresponding diameter of a circle of the second arc surface of described lower pattern (2) equals the external diameter of annulus to be processed.
4. a kind of shaped device for forging annulus according to claim 1-3 any one, is characterized in that, described first arc surface and the second arc surface surface all have a metal rust preventing layer.
5. a kind of shaped device for forging annulus according to claim 4, it is characterized in that, described clamping device (3) comprises train wheel bridge (31), lower plate (32) and connecting plate (33), described train wheel bridge (31) and lower plate (32) are respectively at the connection of connecting plate (33), described train wheel bridge (31) and described lower plate (32) parallel, and form the accommodation section of clamping forging material between described train wheel bridge (31) and described lower plate (32).
6. a kind of shaped device for forging annulus according to claim 5, it is characterized in that, described clamping device (3) also comprises screw, (31) have internal thread with described train wheel bridge, described screw precession or screw out the internal thread of described train wheel bridge (31), thus the distance between adjustment screw lower end and described lower plate (32).
7. a kind of shaped device for forging annulus according to claim 6, is characterized in that, described lower plate (32) is fixedly connected with described lower pattern (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520372261.6U CN204657366U (en) | 2015-06-02 | 2015-06-02 | A kind of shaped device for forging annulus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520372261.6U CN204657366U (en) | 2015-06-02 | 2015-06-02 | A kind of shaped device for forging annulus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204657366U true CN204657366U (en) | 2015-09-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520372261.6U Expired - Fee Related CN204657366U (en) | 2015-06-02 | 2015-06-02 | A kind of shaped device for forging annulus |
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| Country | Link |
|---|---|
| CN (1) | CN204657366U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112846016A (en) * | 2021-01-05 | 2021-05-28 | 中国第一重型机械股份公司 | Forming method and forming die for arc-shaped forge piece with special-shaped cross section |
| CN113681239A (en) * | 2021-08-24 | 2021-11-23 | 中国原子能科学研究院 | Large annular forging, manufacturing method thereof and reactor support ring |
-
2015
- 2015-06-02 CN CN201520372261.6U patent/CN204657366U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112846016A (en) * | 2021-01-05 | 2021-05-28 | 中国第一重型机械股份公司 | Forming method and forming die for arc-shaped forge piece with special-shaped cross section |
| CN112846016B (en) * | 2021-01-05 | 2022-08-30 | 中国第一重型机械股份公司 | Forming method and forming die for arc-shaped forge piece with special-shaped cross section |
| CN113681239A (en) * | 2021-08-24 | 2021-11-23 | 中国原子能科学研究院 | Large annular forging, manufacturing method thereof and reactor support ring |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150923 |