CN114054592A - Manufacturing process of end socket with three-layer composite structure - Google Patents
Manufacturing process of end socket with three-layer composite structure Download PDFInfo
- Publication number
- CN114054592A CN114054592A CN202111353234.0A CN202111353234A CN114054592A CN 114054592 A CN114054592 A CN 114054592A CN 202111353234 A CN202111353234 A CN 202111353234A CN 114054592 A CN114054592 A CN 114054592A
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- CN
- China
- Prior art keywords
- composite structure
- layer composite
- stamping
- head
- steel plate
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 239000002131 composite material Substances 0.000 title claims abstract description 60
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- 238000004080 punching Methods 0.000 claims abstract description 45
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 41
- 239000010959 steel Substances 0.000 claims abstract description 41
- 238000000034 method Methods 0.000 claims abstract description 14
- 230000008569 process Effects 0.000 abstract description 10
- 238000003825 pressing Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 208000037656 Respiratory Sounds Diseases 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
- B21D39/02—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of sheet metal by folding, e.g. connecting edges of a sheet to form a cylinder
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/04—Movable or exchangeable mountings for tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/003—Positioning devices
Abstract
The invention discloses a manufacturing process of a three-layer composite structure seal head, belonging to the technical field of seal head processing, and comprising the following steps of: horizontally placing the three-layer composite structure steel plate between an upper flat head die and a lower flat head die, fixing the three-layer composite structure steel plate by the upper flat head die and the lower flat head die, and downwards moving a first punching head to the top of the three-layer composite structure steel plate so as to ensure that the bottom of the first punching head and the top of the three-layer composite structure steel plate are connected; the first stamping head is used for stamping downwards through the work of a stamping machine so as to enable the three-layer composite structure steel plate to bend downwards; when secondary stamping is carried out, the second stamping head is replaced, and the second stamping head is driven to carry out secondary stamping operation on the bent three-layer composite structure steel plate under the work of the over-punching press; according to the upper flat head die and the lower flat head die with the planar structures, when the three-layer composite structure steel plate is punched, the friction force can be reduced, so that the three-layer composite structure steel plate cannot cause the breakage and the crack of the end socket in the punching process.
Description
Technical Field
The invention relates to the technical field of end socket processing, in particular to a manufacturing process of a three-layer composite structure end socket.
Background
The end cap is an element for sealing the end of the container to isolate the internal and external media, and is also called an end cap. The closure head of a cylindrical container is generally a swivel housing. The shape of the seal head surface can be divided into convex, conical, flat and combined shapes. The convex end socket refers to an end socket with a convex outer surface shape, such as a hemispherical, oval, dished and edgeless spherical end socket. Some gas cylinders adopt a combined bottom seal head with an inward convex surface, so that the strength can be ensured, and the requirement for safe use can be met.
As shown in fig. 1, 2 and 3, a process for manufacturing a seal head in the prior art is shown, in the prior art, the seal head is manufactured by one-step forming, in the process of pressing the prior art, a step is arranged between an upper flat head die and a lower flat head die, and the step can increase friction force when the conventional 304 material is pressed, and can also prevent two ends of the seal head from wrinkling and bulging;
however, when the end socket made of the three-layer composite structure material is manufactured, a large friction force is generated due to the step, when the three-layer composite structure material is pressed, the three-layer composite structure material is broken, and the end socket needs to be pressed twice in the pressing process to meet the manufacturing requirement, so that the manufacturing process of the end socket with the three-layer composite structure needs to be provided for use.
Disclosure of Invention
The embodiment of the invention provides a manufacturing process of a three-layer composite structure end socket, which aims to solve the problems in the prior art.
The embodiment of the invention adopts the following technical scheme: a manufacturing process of a three-layer composite structure end socket comprises the following steps:
the method comprises the following steps: horizontally placing the three-layer composite structure steel plate between an upper flat head die and a lower flat head die, fixing the three-layer composite structure steel plate by the upper flat head die and the lower flat head die, and downwards moving a first punching head to the top of the three-layer composite structure steel plate so as to ensure that the bottom of the first punching head and the top of the three-layer composite structure steel plate are connected;
step two: the first stamping head is used for stamping downwards through the work of a stamping machine so as to enable the three-layer composite structure steel plate to bend downwards;
step three: when secondary stamping is carried out, the second stamping head is replaced, and the second stamping head is driven to carry out secondary stamping operation on the bent three-layer composite structure steel plate under the work of the over-punching press;
step four: and finishing the stamping work of the end socket with the three-layer composite structure.
Further, in the first step and the second step, the diameter of the first punching head is 909.2 cm.
Further, in step three, the diameter of the second punching head is 1009.2 cm.
Further, the bottom of the upper flat head die and the top of the lower flat head die are of a horizontal plane structure.
Further, the upper flat head die and the lower flat head die are of circular ring structures.
The embodiment of the invention adopts at least one technical scheme which can achieve the following beneficial effects:
firstly, when the end socket is stamped, after the first stamping head is used for stamping, the three-layer composite structure steel plate is stamped downwards to form pre-pressing, so that the three-layer composite structure steel plate forms a certain radian, the second stamping head is replaced to carry out secondary stamping on the bent three-layer composite structure steel plate, and the secondary stamping is carried out after the primary stamping, so that the resistance during the stamping can be reduced, the resistance of a system can also be reduced, the downward deformation quantity is compensated by displacement, the end socket is cracked and the end socket is fractured in the stamping process by singly using the first stamping head, the resistance of the second stamping head is overlarge in the stamping process by singly using the second stamping head, the stamping effect is poor when the end socket is stamped, and the quality during the end socket stamping is influenced.
The upper flat head die and the lower flat head die with the planar structures can reduce friction force when the three-layer composite structure steel plate is punched, so that the three-layer composite structure steel plate cannot cause the breakage and the cracks of the end socket in the punching process.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a first schematic diagram of the prior art;
FIG. 2 is an enlarged view of FIG. 1;
FIG. 3 is a second schematic diagram of the prior art;
FIG. 4 is a schematic drawing of a stamping of step one of the present invention;
FIG. 5 is an enlarged view of the upper flat head die and the lower flat head die of FIG. 4;
FIG. 6 is a schematic drawing of the stamping of step two of the present invention;
FIG. 7 is a schematic drawing of the stamping of step three of the present invention;
reference numerals:
the device comprises an upper flat head die 1, a lower flat head die 2, a first punching head 3 and a second punching head 4.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the specific embodiments of the present invention and the accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 7, an embodiment of the present invention provides a manufacturing process of a three-layer composite structure head, including the following steps:
the method comprises the following steps: horizontally placing the three-layer composite structure steel plate between an upper flat head die 1 and a lower flat head die 2, fixing the three-layer composite structure steel plate by the upper flat head die 1 and the lower flat head die 2, and downwards moving a first punching head 3 to the top of the three-layer composite structure steel plate to enable the bottom of the first punching head 3 and the top of the three-layer composite structure steel plate; in the process of stamping the three-layer composite structure steel plate, the upper flat head die 1 and the lower flat head die 2 are fixed, so that the position of the three-layer composite structure steel plate cannot move, and the accuracy of pressing is influenced.
Step two: the first punching head 3 is used for punching downwards through the work of a punching machine so as to enable the three-layer composite structure steel plate to bend downwards; first punching press head 3 can be punching press downwards, can be with three-layer composite structure steel sheet punching press out the shape in advance for three-layer composite structure steel sheet form the structure of head.
Step three: when secondary stamping is carried out, the second stamping head 4 is replaced, and the second stamping head 4 is driven to carry out secondary stamping operation on the bent three-layer composite structure steel plate under the work of the over-punching press; after the first stamping is finished, the second stamping head 4 can stamp the end socket for the second time by stamping downwards, so that the end socket can be stamped.
Step four: and finishing the stamping work of the end socket with the three-layer composite structure.
Specifically, in the first step and the second step, the diameter of the first punching head 3 is 909.2 cm; in step three, the diameter of the second punch 4 is 1009.2 cm. The bottom of the second punching head 4 is gentler than the bottom of the first punching head 3, when punching is carried out, the radian punched by the first punching head 3 and the radian punched by the second punching head 4 are different, the resistance during punching can be reduced during secondary punching, the end socket pressing effect is better, when the end socket is punched, after the first punching head 3 punches, the three-layer composite structure steel plate is downwards punched to form prepressing, so that the three-layer composite structure steel plate forms a certain radian, the second punching head 4 is replaced to carry out secondary punching on the bent three-layer composite structure steel plate, the resistance during pressing can be reduced, the resistance of a system can also be reduced, the displacement compensates the downward deformation, the first punching head 3 is independently used for punching, the end socket is caused to be produced from cracks and can be fractured during punching, the second punching head 4 is independently used for punching, so that the resistance of the second punching head 4 is overlarge in the punching process, the punching effect is poor when the end socket is punched, and the quality of the end socket during punching is influenced.
Specifically, the bottom of the upper flat head die 1 and the top of the lower flat head die 2 are in a horizontal plane structure. Planar structure's last flat head mould 1 and flat head mould 2 down, when punching press the three-layer composite structure steel sheet, can reduce frictional force for at the fracture that the in-process three-layer composite structure steel sheet of punching press can not cause the head with the crackle appears, compare and be equipped with the step on last flat head mould 1 among the prior art and the flat head mould 2 down, when processing the punching press, the fracture that the head can be caused to the frictional force of increase with produce the crackle, influence the use of head.
Specifically, the upper flat head die 1 and the lower flat head die 2 are circular ring structures. The upper flat head die 1 and the lower flat head die 2 are of circular structures and are used for stamping the three-layer composite structure steel plate into a seal head shape in the downward stamping process.
The above description is only an example of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (5)
1. The manufacturing process of the end socket with the three-layer composite structure is characterized by comprising the following steps of:
the method comprises the following steps: horizontally placing the three-layer composite structure steel plate between an upper flat head die (1) and a lower flat head die (2), fixing the three-layer composite structure steel plate by the upper flat head die (1) and the lower flat head die (2), and downwards moving a first stamping head (3) to the top of the three-layer composite structure steel plate to enable the bottom of the first stamping head (3) and the top of the three-layer composite structure steel plate;
step two: the first stamping head (3) is used for stamping downwards through the work of a stamping machine so as to enable the three-layer composite structure steel plate to be bent downwards;
step three: when secondary stamping is carried out, the second stamping head (4) is replaced, and the second stamping head (4) is driven to carry out secondary stamping operation on the bent three-layer composite structure steel plate under the work of the over-stamping press;
step four: and finishing the stamping work of the end socket with the three-layer composite structure.
2. The manufacturing process of the three-layer composite structure seal head according to claim 1, characterized in that: in the first and second steps, the diameter of the first punch (3) is 909.2 cm.
3. The manufacturing process of the three-layer composite structure seal head according to claim 1, characterized in that: in step three, the diameter of the second punching head (4) is 1009.2 cm.
4. The manufacturing process of the three-layer composite structure seal head according to claim 1, characterized in that: the bottom of the upper flat head die (1) and the top of the lower flat head die (2) are of horizontal plane structures.
5. The manufacturing process of the three-layer composite structure seal head according to claim 4, characterized in that: the upper flat head die (1) and the lower flat head die (2) are of circular ring structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111353234.0A CN114054592A (en) | 2021-11-16 | 2021-11-16 | Manufacturing process of end socket with three-layer composite structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111353234.0A CN114054592A (en) | 2021-11-16 | 2021-11-16 | Manufacturing process of end socket with three-layer composite structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114054592A true CN114054592A (en) | 2022-02-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111353234.0A Pending CN114054592A (en) | 2021-11-16 | 2021-11-16 | Manufacturing process of end socket with three-layer composite structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114054592A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202824350U (en) * | 2012-09-07 | 2013-03-27 | 苏州铭峰精密机械有限公司 | Extend-molding stamping structure |
| CN105750841A (en) * | 2016-04-21 | 2016-07-13 | 常州旷达威德机械有限公司 | Machining method of ferrite stainless steel end socket |
| CN209716227U (en) * | 2019-03-27 | 2019-12-03 | 杭州杭氧合金封头有限公司 | It is a kind of for producing the molding die of pressure vessel head |
| CN110653573A (en) * | 2019-10-16 | 2020-01-07 | 安徽心连心重型封头有限公司 | Method for manufacturing three-composite end socket |
| CN112658131A (en) * | 2020-12-30 | 2021-04-16 | 宜兴北海封头有限公司 | Arch-shaped end socket forming and manufacturing process |
-
2021
- 2021-11-16 CN CN202111353234.0A patent/CN114054592A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202824350U (en) * | 2012-09-07 | 2013-03-27 | 苏州铭峰精密机械有限公司 | Extend-molding stamping structure |
| CN105750841A (en) * | 2016-04-21 | 2016-07-13 | 常州旷达威德机械有限公司 | Machining method of ferrite stainless steel end socket |
| CN209716227U (en) * | 2019-03-27 | 2019-12-03 | 杭州杭氧合金封头有限公司 | It is a kind of for producing the molding die of pressure vessel head |
| CN110653573A (en) * | 2019-10-16 | 2020-01-07 | 安徽心连心重型封头有限公司 | Method for manufacturing three-composite end socket |
| CN112658131A (en) * | 2020-12-30 | 2021-04-16 | 宜兴北海封头有限公司 | Arch-shaped end socket forming and manufacturing process |
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