CN105396937A - Reversible deformation machining technology for bottom side door of wagon - Google Patents
Reversible deformation machining technology for bottom side door of wagon Download PDFInfo
- Publication number
- CN105396937A CN105396937A CN201510985616.3A CN201510985616A CN105396937A CN 105396937 A CN105396937 A CN 105396937A CN 201510985616 A CN201510985616 A CN 201510985616A CN 105396937 A CN105396937 A CN 105396937A
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- CN
- China
- Prior art keywords
- deformation
- reversible deformation
- underside gate
- reversible
- bottom side
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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
- B21D31/00—Other methods for working sheet metal, metal tubes, metal profiles
Abstract
The invention discloses a reversible deformation machining technology for a bottom side door of a wagon. Firstly, the bottom side door subjected to profiling blanking of a previous process is placed in a reversible deformation profiling device, and the two vertical sides of the bottom side door are arranged between a male die and a female die of the reversible deformation profiling device respectively, wherein the male die and the female die correspond; then the reversible deformation profiling device is started, certain reversible deformation is formed on the two vertical sides of the bottom side door in a pressed mode, part of the reversible deformation is used for offsetting deformation generated in the process of welding hinges, and the other part of the reversible deformation is used for compensating for inwards-concaved deformation generated after side walls are welded. According to the technology, the reversible deformation profiling device is used for manufacturing reversible deformation on the two vertical sides of the bottom side door, deformation, generated in the process of welding the hinges, of the bottom side door can be offset, deformation generated in the process of welding the side walls can be compensated for, and therefore the existing technology of adopting flame straightening for guaranteeing the door slot gap in assembly can be eliminated, the bottom side door can be opened or closed flexibly after bottom side door sheets are assembled, the interchangeability is realized, and the appearance is attractive after being formed.
Description
Technical field
The invention belongs to railway truck's accessories manufacturing technology field, particularly a kind of railway freight-car underside gate reversible deformation processing technology.
Background technology
As shown in Figure 1, underside gate is the universal component of the various open-top car composition of railway freight-car, and require that assembling has interchangeability, opening and closing is flexible, and every platform open-top car has 12 underside gate component parts.At present, Inward deflection after truck sidewall welding, single underside gate parts die mould back plane degree meets product technology condition, but after welding folding, general evagination distortion, deflection 2 ~ 3mm, as shown in Figures 2 and 3, thus after causing underside gate to assemble, door gap is overproof, affects underside gate opening and closing and interchangeability.At present, railway freight-car manufacturer in an assembling process, all adopts flame straightening technology controlling and process crack between a door and its frame assembly clearance, ensures assembling quality, but this technique assembling rear side door does not have interchangeability, and after correcting, outward appearance is shaping bad, and production efficiency is low.
Summary of the invention
The object of the invention is to: for above-mentioned Problems existing, there is provided a kind of and can offset the reversible deformation produced when underside gate welds folding, the distortion produced when simultaneously making up sidewall welding, thus when cancelling existing assembling, adopt flame straightening to ensure door gap technique, closely ensure that the opening and closing of downside door-plate assembling rear side door is flexible, and there is the railway freight-car underside gate reversible deformation processing technology of interchangeability.
Technical scheme of the present invention is achieved in that a kind of railway freight-car underside gate reversible deformation processing technology, it is characterized in that: first, underside gate after front operation die mould blanking is positioned in reversible deformation molding press device, two stiles of underside gate are made to be separately positioned between the corresponding punch of reversible deformation molding press device and die, then, start reversible deformation molding press device, two stiles of underside gate are suppressed certain anti-deformation, the deformation produced when a described anti-deformation part is for offsetting folding welding, the Inward deflection of another part for producing after making up sidewall welding.
Railway freight-car underside gate reversible deformation processing technology of the present invention, two stiles of underside gate described in it process the anti-deformation of 5 ~ 7mm by reversible deformation molding press device, after welding folding, still there is 3 ~ 4mm deflection in two stiles of described underside gate, after described underside gate welding folding, remaining anti-deformation makes up the Inward deflection of sidewall welding, and control gate gap reaches requirement.
Railway freight-car underside gate reversible deformation processing technology of the present invention, it is when processing two stile reversible deformation of underside gate, does not need use equipment pressurization die mould, only utilizes equipment top shoe to conduct oneself with dignity and can process two stile reversible deformations of underside gate.
The present invention makes reversible deformation by two stiles of reversible deformation molding press device to underside gate, the reversible deformation produced when enabling underside gate offset its welding folding, and the distortion produced when can also make up sidewall welding, thus adopt flame straightening to ensure the technique of door gap when cancelling existing assembling, closely ensure that the opening and closing of downside door-plate assembling rear side door is flexible, and there is interchangeability; And improve production efficiency, compare existing processing technology, its work efficiency improves nearly 4 times, be applicable to producing by batch, also reduce the consumption of gas equal energy source simultaneously, decrease labor, reduce bicycle manufacturing cost, bicycle manufacturing cost declines nearly 200 yuan, and outward appearance beautiful appearance.
Accompanying drawing explanation
Fig. 1 is the structural representation of underside gate in existing railway freight-car.
Fig. 2 is the structural representation in existing railway freight-car after underside gate welding folding.
Fig. 3 is the structural representation that in existing railway freight-car, underside gate produces distortion after removing folding.
Fig. 4 and Fig. 5 is by the underside gate structural representation with anti-deformation that reversible deformation molding press device makes in the present invention.
Fig. 6 is the direction schematic diagram to the reversible deformation of underside gate pressure in the present invention.
Fig. 7 is the structural representation of reversible deformation molding press device in the present invention.
Fig. 8 is the structural representation of die in reversible deformation molding press device.
Fig. 9 is the structural representation of reversible deformation molding press device convex mould.
Figure 10 is through underside gate scheme of installation on car body of the present invention's processing.
Mark in figure: 1 is underside gate, and 2 is stile, and 3 is punch, and 4 is die, and 5 is upper bolster, and 6 is die shoe, 7 is folding.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in detail.
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
As shown in figs. 4 through 10, a kind of railway freight-car underside gate reversible deformation processing technology, be specially: first, underside gate 1 after front operation die mould blanking is positioned in reversible deformation molding press device, two stiles 2 of underside gate 1 are made to be separately positioned between the corresponding punch 3 of reversible deformation molding press device and die 4, described punch 3 and die 4 are separately fixed on upper bolster 5 and die shoe 6, then, start reversible deformation molding press device, two stiles of underside gate are suppressed certain anti-deformation, different automobile types processes different anti-deformations, only need with punch and the die changing reversible deformation molding press device, the deformation produced when a described anti-deformation part is for offsetting folding welding, the Inward deflection of another part for producing after making up sidewall welding.The present invention only processes reversible deformation at two stiles of underside gate, instead of to whole work pieces process reversible deformation.
In the present embodiment, two stiles of described underside gate process the anti-deformation of 5 ~ 7mm by reversible deformation molding press device, after welding folding 7, still there is 3 ~ 4mm deflection in two stiles of described underside gate, after described underside gate welding folding, remaining anti-deformation makes up the Inward deflection of sidewall welding, and control gate gap reaches requirement.The present invention offsets the anti-deformation of folding welding and the distortion of sidewall welding two parts by processing two stiles of underside gate, ensure that underside gate and side wall assembly clearance, after underside gate is assembled, opening and closing is flexible, thus eliminate in existing processing the technique needing employing flame straightening sternly to stitch guarantee underside gate assembly clearance, underside gate is assembled there is interchangeability, meet assembling requirement.
The present invention is applicable to the processing of different structure bottom side door of gondola car reversible deformation, when processing two stile reversible deformation of underside gate, do not need use equipment pressurization die mould, only utilize equipment top shoe to conduct oneself with dignity and can process two stile reversible deformations of underside gate, the reversible deformation molding press device that this technique uses is applicable to the processing of various structure railway bottom side door of gondola car reversible deformation.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (3)
1. a railway freight-car underside gate reversible deformation processing technology, it is characterized in that: first, underside gate after front operation die mould blanking is positioned in reversible deformation molding press device, two stiles of underside gate are made to be separately positioned between the corresponding punch of reversible deformation molding press device and die, then, start reversible deformation molding press device, two stiles of underside gate are suppressed certain anti-deformation, the deformation produced when a described anti-deformation part is for offsetting folding welding, the Inward deflection of another part for producing after making up sidewall welding.
2. railway freight-car underside gate reversible deformation processing technology according to claim 1, it is characterized in that: two stiles of described underside gate process the anti-deformation of 5 ~ 7mm by reversible deformation molding press device, after welding folding, still there is 3 ~ 4mm deflection in two stiles of described underside gate, after described underside gate welding folding, remaining anti-deformation makes up the Inward deflection of sidewall welding, and control gate gap reaches requirement.
3. railway freight-car underside gate reversible deformation processing technology according to claim 1 and 2, it is characterized in that: when processing two stile reversible deformation of underside gate, do not need use equipment pressurization die mould, only utilize equipment top shoe to conduct oneself with dignity and can process two stile reversible deformations of underside gate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510985616.3A CN105396937A (en) | 2015-12-25 | 2015-12-25 | Reversible deformation machining technology for bottom side door of wagon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510985616.3A CN105396937A (en) | 2015-12-25 | 2015-12-25 | Reversible deformation machining technology for bottom side door of wagon |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105396937A true CN105396937A (en) | 2016-03-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510985616.3A Pending CN105396937A (en) | 2015-12-25 | 2015-12-25 | Reversible deformation machining technology for bottom side door of wagon |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105396937A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109604768A (en) * | 2019-01-22 | 2019-04-12 | 柳州机车车辆有限公司 | Rolling stock car door repair process |
| CN113369825A (en) * | 2021-06-30 | 2021-09-10 | 扬州市昌盛车业有限公司 | Welding process for thick plate ceiling of excavator |
-
2015
- 2015-12-25 CN CN201510985616.3A patent/CN105396937A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109604768A (en) * | 2019-01-22 | 2019-04-12 | 柳州机车车辆有限公司 | Rolling stock car door repair process |
| CN113369825A (en) * | 2021-06-30 | 2021-09-10 | 扬州市昌盛车业有限公司 | Welding process for thick plate ceiling of excavator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 620032, Sichuan, Meishan province Dongpo Chongren town CSR Meishan Vehicle Co., Ltd. Applicant after: CRRC MEISHAN CO., LTD. Address before: 620032, Sichuan, Meishan province Dongpo Chongren town CSR Meishan Vehicle Co., Ltd. Applicant before: Nanche Meishan Rolling Stock Co., Ltd. |
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| COR | Change of bibliographic data | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160316 |
|
| RJ01 | Rejection of invention patent application after publication |