CN220717388U - High section of thick bamboo thin wall flange forging takes shape frock - Google Patents
High section of thick bamboo thin wall flange forging takes shape frock Download PDFInfo
- Publication number
- CN220717388U CN220717388U CN202322344263.1U CN202322344263U CN220717388U CN 220717388 U CN220717388 U CN 220717388U CN 202322344263 U CN202322344263 U CN 202322344263U CN 220717388 U CN220717388 U CN 220717388U
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- CN
- China
- Prior art keywords
- ring
- tire membrane
- inner flange
- flange forging
- height
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Links
- 238000005242 forging Methods 0.000 title claims abstract description 46
- 235000017166 Bambusa arundinacea Nutrition 0.000 title claims description 4
- 235000017491 Bambusa tulda Nutrition 0.000 title claims description 4
- 241001330002 Bambuseae Species 0.000 title claims description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 title claims description 4
- 239000011425 bamboo Substances 0.000 title claims description 4
- 239000012528 membrane Substances 0.000 claims abstract description 72
- 230000006835 compression Effects 0.000 claims abstract description 8
- 238000007906 compression Methods 0.000 claims abstract description 8
- 210000004379 membrane Anatomy 0.000 claims description 63
- 210000002219 extraembryonic membrane Anatomy 0.000 claims description 10
- 238000001125 extrusion Methods 0.000 claims description 6
- 238000003754 machining Methods 0.000 abstract description 5
- 239000002994 raw material Substances 0.000 abstract description 5
- 238000003825 pressing Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 230000008520 organization Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Tires In General (AREA)
Abstract
The utility model discloses a high-cylinder thin-wall inner flange forging forming tool which comprises a punch, a tire membrane backing ring, a tire membrane and a compression ring, wherein the punch is vertically arranged in a ring blank, and the appearance of the punch is matched with the inner side shape of an inner flange forging product; the tire membrane backing ring and the tire membrane are circular, the tire membrane backing ring is sleeved on the periphery of the ring blank, the height of the tire membrane backing ring is more than half of the height of the inner flange forging product, and the sizes of the tire membrane and the tire membrane backing ring are matched with the outer diameter of the inner flange forging product; the clamping ring is in a circular ring shape, the inner diameter and the outer diameter of the clamping ring are respectively matched with the outer diameter of the punch and the inner diameter of the tire membrane, and the clamping ring is used for extruding the upper end of the ring blank into an inner flange shape. The utility model saves more raw materials, can reduce the machining of the saved raw material parts, and has better structure performance because the streamline of the forging is closer to the final shape of the forging.
Description
Technical Field
The utility model relates to a forming tool for a high-cylinder thin-wall inner flange forging, and belongs to the technical field of aviation forging equipment.
Background
In the prior art, for high-cylinder thin-wall inner flange forgings with the ratio of the height to the wall thickness being more than 3.5, double drums (the shape with convex middle concave ends) are usually designed into ring blanks with rectangular cross sections due to the fact that the ring blanks appear in the processing process, and then the ring blanks are processed into the inner flange forgings by adopting a ring grinding machine and a machining mode.
The above-described forming method has the following disadvantages: 1. the required raw materials are increased; 2. the machining allowance is increased; 3. the streamline of the forging piece does not conform to the final shape, and the organization performance is poor.
With the continuous progress of the manufacturing technology of the annular forging, the black skin removing allowance of the annular forging is smaller and smaller, and many annular forgings with inner flanges are required to be subjected to near-net forming by using a die, so that the purposes of reducing the cost and machining allowance of the annular forging are achieved.
Disclosure of Invention
The utility model aims to solve the technical problems that: the utility model provides a high section of thick bamboo thin wall flange forging takes shape frock to solve the technical problem that exists among the above-mentioned prior art.
The technical scheme adopted by the utility model is as follows: the tool comprises a punch, a tire membrane backing ring, a tire membrane and a compression ring, wherein the punch is vertically arranged in a ring blank, and the appearance of the punch is matched with the inner side shape of an inner flange forging product; the tire membrane backing ring and the tire membrane are both annular, the tire membrane backing ring is sleeved on the periphery of the ring blank, the height of the tire membrane backing ring is more than half of the height of an inner flange forging product, the tire membrane backing ring vertically moves downwards to be flush with the bottom of the ring blank under the extrusion of the tire membrane, and the tire membrane backing ring are matched with the outer diameter of the inner flange forging product in size; the clamping ring is in a circular ring shape, the inner diameter and the outer diameter of the clamping ring are respectively matched with the outer diameter of the punch and the inner diameter of the tire membrane, and the clamping ring is used for extruding the upper end of the ring blank into an inner flange shape.
Preferably, the tire membrane comprises a tire membrane backing ring, and the height of the tire membrane backing ring and the tire membrane is equal to the height of the inner flange forging product plus the height of the compression ring.
Preferably, the upper end of the fetal membrane backing ring is provided with an L-shaped step shape, and the lower end of the fetal membrane is provided with an inverted L-shaped step shape matched with the L-shaped step shape.
Preferably, the inner side of the lower end of the fetal membrane backing ring is rounded.
Preferably, the inner side of the upper end of the tire membrane is rounded.
Preferably, the inner side of the lower end of the tire membrane is rounded.
Preferably, the punch is coaxially provided with a through hole.
The utility model has the beneficial effects that: compared with the method for forming the inner flange forging by using the rectangular ring blank, the method has the advantages that raw materials are saved, and when the machining of the saved raw material part is reduced, the streamline of the forging is closer to the final shape of the forging, and the organization performance is better.
Drawings
FIG. 1 is a schematic view of the punch, tire membrane backing ring, and tire membrane mating extrusion ring blank sidewall.
FIG. 2 is a schematic view of an inner flange formed at the upper end of a press ring extrusion ring blank.
FIG. 3 is a schematic illustration of a product and a flow line of the product of the present utility model.
FIG. 4 is a schematic flow diagram of a conventional rectangular ring blank and a rectangular ring blank.
Detailed Description
The utility model will be further described with reference to the accompanying drawings and specific examples.
Reference numerals in the drawings of the specification include: the tire membrane comprises a punch 1, a ring blank 2, a tire membrane backing ring 3, a tire membrane 4, a height limiting ring 5, a compression ring 6, a product 7, a streamline 8 of the product, a rectangular ring blank 9 and a streamline 10 of the rectangular ring blank.
Example 1:
1-2, the high-cylinder thin-wall inner flange forging forming tool comprises a punch 1, a tire membrane backing ring 3, a tire membrane 4, a compression ring 6 and a height limiting ring 5, wherein a ring blank 2 is vertically arranged on a lower anvil of a ring rolling machine, the punch 1 is vertically arranged in the ring blank 2, and the appearance of the punch 1 is matched with the inner side shape of an inner flange forging product 7; the tire membrane backing ring 3 and the tire membrane 4 are annular, the sizes of the tire membrane 4 and the tire membrane backing ring 3 are matched with the outer diameter of the inner flange forging product 7, the tire membrane backing ring 3 is sleeved on the periphery of the upper end of the ring blank 2, the height of the tire membrane backing ring 3 is two thirds of the height of the inner flange forging product 7, the tire membrane 4 is placed on the upper end of the tire membrane backing ring 3, the tire membrane 4 is pressed downwards by a hydraulic press, and the tire membrane backing ring 3 vertically moves downwards to be flush with the bottom of the ring blank 2 under the extrusion of the tire membrane 4, so that the extrusion of the side wall of the ring blank 2 is realized.
As shown in fig. 2, the pressing ring 6 is in a circular ring shape, the inner diameter and the outer diameter of the pressing ring 6 are respectively matched with the outer diameter of the punch 1 and the inner diameter of the tire membrane 4, after the side wall of the ring blank 2 is extruded, the pressing ring 6 is placed at the upper end of the ring blank 2, and the pressing ring 6 moves downwards under the action of the hydraulic press to be matched with the punch 1 so as to extrude the upper end of the ring blank 2 into an inner flange shape.
As shown in fig. 2, the height limiting ring 5 is placed at the upper end of the tire membrane 4, and the height of the tire membrane backing ring 3 when being matched with the tire membrane 4 plus the height of the height limiting ring 5 is equal to the height of the inner flange forging product 7 plus the height of the compression ring 6. The function of the height limiting ring 5 is that the hydraulic press stops pressing the pressing ring 6 when the height of the ring blank 2 reaches the design height.
In this embodiment, the upper end of the tire membrane backing ring 3 is provided with an L-shaped step, and the lower end of the tire membrane 4 is provided with an inverted L-shaped step which is matched with the L-shaped step, so that the tire membrane 4 can press the tire membrane backing ring 3 downwards.
In the embodiment, the inner side of the lower end of the fetal membrane backing ring 3 is rounded, so that the fetal membrane backing ring 3 is conveniently sleeved on the periphery of the ring blank 2.
In this embodiment, the inner side of the upper end of the tire membrane 4 is rounded, so that the pressing ring 6 is convenient to place.
In this embodiment, the inner side of the lower end of the membrane 4 is rounded to facilitate placement of the membrane 4.
In the embodiment, the punch 1 is coaxially provided with a through hole, so that materials are saved, and the punch 1 is conveniently put in and taken out.
As shown in fig. 3, the upper end of the forging product 7 in the embodiment is arc-shaped, and the upper end of the streamline 8 of the forging product is also arc-shaped; as shown in fig. 4, in the prior art, the upper end of the rectangular ring blank 9 is linear, and the upper end of the streamline 10 of the rectangular ring blank is also linear; as can be seen by comparison, the streamline 8 of the inner flange forging product processed by the method is closer to the final shape of the forging, and the structure performance is better.
In this embodiment, by providing the tire membrane backing ring 3, compared with the tire membrane backing ring 3 not provided, the stroke of the tire membrane 4 is only one third of the height of the forging product 7, the stroke of the tire membrane 4 is shortened by two thirds, the double-drum shape generation time of the ring blank 2 is later, and the tire membrane 4 and the tire membrane backing ring 3 are covered at the corresponding positions when the double-drum shape is generated, so that the occurrence and the growth of the double-drum shape are limited.
The foregoing is merely illustrative of the present utility model, and the scope of the present utility model is not limited thereto, and any person skilled in the art can easily think about variations or substitutions within the scope of the present utility model, and therefore, the scope of the present utility model shall be defined by the scope of the appended claims.
Claims (7)
1. A high section of thick bamboo thin wall flange forging takes shape frock, its characterized in that: the die comprises a punch, a die backing ring, a die and a compression ring, wherein the punch is vertically arranged in a ring blank, and the appearance of the punch is matched with the inner side shape of an inner flange forging product; the tire membrane backing ring and the tire membrane are both annular, the tire membrane backing ring is sleeved on the periphery of the ring blank, the height of the tire membrane backing ring is more than half of the height of an inner flange forging product, the tire membrane backing ring vertically moves downwards to be flush with the bottom of the ring blank under the extrusion of the tire membrane, and the tire membrane backing ring are matched with the outer diameter of the inner flange forging product in size; the clamping ring is in a circular ring shape, the inner diameter and the outer diameter of the clamping ring are respectively matched with the outer diameter of the punch and the inner diameter of the tire membrane, and the clamping ring is used for extruding the upper end of the ring blank into an inner flange shape.
2. The tooling for forming the high-cylinder thin-wall inner flange forging, according to claim 1, is characterized in that: the tire membrane is characterized by further comprising a height limiting ring, wherein the height limiting ring is arranged at the upper end of the tire membrane, and the height of the tire membrane backing ring and the height of the height limiting ring when the tire membrane is matched are equal to the height of the inner flange forging product and the height of the compression ring.
3. The tooling for forming the high-cylinder thin-wall inner flange forging, according to claim 1, is characterized in that: the upper end of the fetal membrane backing ring is arranged in an L-shaped step shape, and the lower end of the fetal membrane is arranged in an inverted L-shaped step shape matched with the L-shaped step shape.
4. The tooling for forming the high-cylinder thin-wall inner flange forging, according to claim 1, is characterized in that: and the inner side of the lower end of the fetal membrane backing ring is rounded.
5. The tooling for forming the high-cylinder thin-wall inner flange forging, according to claim 1, is characterized in that: and the inner side of the upper end of the fetal membrane is rounded.
6. The tooling for forming the high-cylinder thin-wall inner flange forging, according to claim 1, is characterized in that: and the inner side of the lower end of the fetal membrane is rounded.
7. The tooling for forming the high-cylinder thin-wall inner flange forging, according to claim 1, is characterized in that: the punch is coaxially provided with a through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322344263.1U CN220717388U (en) | 2023-08-30 | 2023-08-30 | High section of thick bamboo thin wall flange forging takes shape frock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322344263.1U CN220717388U (en) | 2023-08-30 | 2023-08-30 | High section of thick bamboo thin wall flange forging takes shape frock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220717388U true CN220717388U (en) | 2024-04-05 |
Family
ID=90500165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322344263.1U Active CN220717388U (en) | 2023-08-30 | 2023-08-30 | High section of thick bamboo thin wall flange forging takes shape frock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220717388U (en) |
-
2023
- 2023-08-30 CN CN202322344263.1U patent/CN220717388U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |