CN108555541B - Shape cutting process for raw materials of octahedral arc-shaped end socket of tank container of railway intermodal vehicle - Google Patents
Shape cutting process for raw materials of octahedral arc-shaped end socket of tank container of railway intermodal vehicle Download PDFInfo
- Publication number
- CN108555541B CN108555541B CN201810373414.7A CN201810373414A CN108555541B CN 108555541 B CN108555541 B CN 108555541B CN 201810373414 A CN201810373414 A CN 201810373414A CN 108555541 B CN108555541 B CN 108555541B
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- Prior art keywords
- cutting
- manipulator
- blank
- programming
- support frame
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- 238000005520 cutting process Methods 0.000 title claims abstract description 81
- 239000002994 raw material Substances 0.000 title claims abstract description 11
- 238000004519 manufacturing process Methods 0.000 claims abstract description 11
- 238000005498 polishing Methods 0.000 claims abstract description 11
- 238000002360 preparation method Methods 0.000 claims abstract description 7
- 239000002184 metal Substances 0.000 claims description 3
- 239000003973 paint Substances 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims description 3
- 239000004071 soot Substances 0.000 claims description 3
- 241000209094 Oryza Species 0.000 abstract description 4
- 235000007164 Oryza sativa Nutrition 0.000 abstract description 4
- 235000009566 rice Nutrition 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000001788 irregular Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Arc Welding In General (AREA)
- Road Repair (AREA)
Abstract
A shape cutting process for raw materials of an octahedral arc-shaped end enclosure of a tank container of a railway intermodal vehicle comprises the following steps of 1: manufacturing a cutting support frame of a head manipulator; step 2: positioning the blank; and step 3: drawing the cutting driving track position of the manipulator; and 4, step 4: programming and cutting; and 5: shielding a non-working area; step 6: completing cutting preparation; and 7: polishing; and 8: and measuring the size. The invention can shorten cutting time, prolong rice cutting time and improve working efficiency. With the cutting of the cutting extension rice, the polishing workload of the oxide skin is correspondingly reduced, the labor intensity of manual operation is reduced, and the labor cost is reduced. Improve the working environment, avoid the pollution of the back side and improve the appearance quality.
Description
Technical Field
The invention belongs to the technical field of shape cutting processes, and particularly relates to a shape cutting process for a raw material of an octahedral arc-shaped end enclosure of a tank container of a railway intermodal vehicle.
Background
The tank container of the railway intermodal vehicle basically uses circular end sockets, and the octahedral arc end sockets are not widely used in the tank container. The blanking of the raw material of the octahedral arc-shaped end enclosure is basically manufactured by adopting a process method of numerical control plasma full-shape cutting and oxide skin polishing. It has the following disadvantages: the expanded raw material of the octahedral arc-shaped end socket has irregular size, the existing numerical control plasma machine tool is used for cutting the full shape, the full shape cutting prolongs the length, and the working efficiency is low; the oxide skin and the heat affected zone generated after cutting must be completely polished, the polishing mode is manual operation, the working strength is high, and the manual manufacturing cost is high; because the numerical control plasma machine tool is not easy to protect the plate, the cutting amount is large, the cutting time is long, the back side of the raw material is polluted by cutting smoke dust, the surface quality is poor, and the appearance quality is influenced.
Disclosure of Invention
The invention aims to provide a cutting machine which can shorten cutting time and prolong rice, reduce cutting time and improve working efficiency. The shape cutting process for the octahedral arc-shaped end socket raw materials of the tank container of the railway intermodal vehicle has the advantages of reducing the labor intensity of manual operation, reducing the labor cost, improving the operation environment, avoiding back-side pollution and improving the appearance quality.
The shape cutting process of the octahedral arc-shaped end socket raw material of the tank container of the railway intermodal vehicle comprises the following steps:
step 1: manufacturing a head mechanical arm cutting support frame: the cutting support frame consists of support frame legs, support frame cross braces, forming positioning blocks and a support frame panel. The lower part of the support frame panel is provided with a plurality of support frame legs, adjacent support frame legs are connected through support frame cross braces, a forming positioning baffle is arranged on the support frame panel to facilitate the positioning of the blank, the shape of the support frame panel is the same as that of a cut finished product, the size of the support frame panel is smaller than that of the cut finished product, and the cut amount is reserved;
step 2: positioning the blank: the blank is stably and slowly placed on the supporting frame by using a crown block and using a traceless hanging tong to lift and clamp the blank, and the blank is tightly leaned against a forming positioning block on the supporting panel;
and step 3: drawing the cutting driving track position of the manipulator: in view of the characteristics that a manipulator needs to perform point drawing, line drawing and programming for the first time when cutting parts, and the first piece is qualified and can be directly used in the future, the steps of point drawing, line drawing and programming need to be performed in the first production, a cutting line drawing template is used for drawing lines on a blank placed on a support frame, the line drawing template is pre-programmed by using a computer CAD program, the CAD-drawn blank is led into a numerical control plasma cutting machine for pre-cutting and manufacturing, after the template is finished, the left two edges of the template are aligned with the edges of the blank, and a paint pen is used for drawing the track position of the manipulator about to cut and travel on the blank;
and 4, step 4: programming and cutting: according to the drawn cutting travel track of the manipulator, programming is carried out by using programming handles of the left manipulator and the right manipulator respectively, the left manipulator is responsible for cutting work from the left edge to the middle point of the blank, the right manipulator is responsible for cutting work from the middle point to the right edge, programming is carried out according to the sequence, and interference of the two manipulators during simultaneous cutting is avoided;
and 5: shielding a non-working area: after programming, a protective film is used for shielding a non-working area of the plate to avoid splashing, soot and dust from polluting other parts;
step 6: completing the cutting preparation: opening the manipulator, completing cutting preparation work, igniting and cutting, and driving the manipulator according to a pre-programmed track;
and 7: polishing: after cutting, polishing a heat affected zone of the section of the plate by using a millennium grinding wheel until the natural color of metal is leaked from the section;
and 8: measuring the size: and measuring whether the size meets the requirement after grinding.
Compared with the prior art, the invention has the following advantages:
1. the cutting time is shortened, and the working efficiency is improved.
2. With the cutting of the cutting extension rice, the polishing workload of the oxide skin is correspondingly reduced, the labor intensity of manual operation is reduced, and the labor cost is reduced.
3. Improve the working environment, avoid the pollution of the back side and improve the appearance quality.
Drawings
FIG. 1 is a front view of a cutaway stand of the present invention;
FIG. 2 is a top view of the cut support of the present invention;
FIG. 3 is a schematic diagram of step 1 of the present invention;
FIG. 4 is a schematic diagram of step 2 and step 3 of the present invention;
FIG. 5 is a schematic diagram of a CAD-drawn cut template of step 3 of the present invention;
FIG. 6 is a simplified schematic illustration of step 4 of the present invention;
FIG. 7 is a top view of a dimensionally acceptable cut of step 8 of the present invention.
Wherein, in fig. 1 and 3, 1-support frame leg, 2-forming positioning rail, 3-support frame panel; in fig. 4, the shadow is the cut-out area, the solid arc is the manipulator cut trajectory line, and the dotted arc is the arc support; and (4) cutting off the area in the step (3).
Detailed Description
In the schematic diagrams of the invention shown in fig. 1 to 7, the shape cutting process of the octahedral arc-shaped end socket raw material of the tank container of the railway intermodal vehicle is as follows:
step 1: manufacturing a head mechanical arm cutting support frame: the cutting support frame consists of support frame legs, a forming positioning block and a support frame panel. The lower part of the support frame panel is provided with a plurality of support frame legs, the forming positioning baffle is arranged on the support frame panel, so that the blank is positioned conveniently, the shape of the support frame panel is the same as that of the cut finished product, the size of the support frame panel is smaller than that of the cut finished product, the support frame panel is retracted inwards by 50mm, and the cut amount is reserved;
step 2: positioning the blank: the blank is stably and slowly placed on the supporting frame by using a crown block and using a traceless hanging tong to lift and clamp the blank, and the blank is tightly leaned against a forming positioning block on the supporting panel;
and step 3: drawing the cutting driving track position of the manipulator: in view of the characteristics that a manipulator needs to perform point drawing, line drawing and programming for the first time when cutting parts, and the first part can be directly used after being cut to be qualified, the steps of point drawing, line drawing and programming need to be performed in the first production, a cutting line drawing template is used for drawing lines on a blank placed on a support frame, the line drawing template is pre-programmed by using a computer CAD program, the CAD-drawn blank is led into a numerical control plasma cutting machine for pre-cutting and manufacturing, after the template is finished, the left two edges of the template are aligned with the edges of the blank, and a 0.5mm paint pen is used for drawing a track position on the blank to be cut and driven by the manipulator;
and 4, step 4: programming and cutting: according to the drawn cutting travel track of the manipulator, programming is carried out by using programming handles of the left manipulator and the right manipulator respectively, the left manipulator is responsible for cutting work from the left edge to the middle point of the blank, the right manipulator is responsible for cutting work from the middle point to the right edge, programming is carried out according to the sequence, and interference of the two manipulators during simultaneous cutting is avoided;
and 5: shielding a non-working area: after programming, a protective film is used for shielding a non-working area of the plate to avoid splashing, soot and dust from polluting other parts;
step 6: completing the cutting preparation: opening the manipulator, completing cutting preparation work, igniting and cutting, and driving the manipulator according to a pre-programmed track;
and 7: polishing: after cutting, polishing a heat affected zone of 0.5mm of the section of the plate by using a millennium grinding wheel until the natural color of metal leaks from the section;
and 8: measuring the size: and measuring whether the size meets the requirement after grinding.
Claims (1)
1. The shape cutting process of octahedral arc end socket raw material for tank container of railway combined transport vehicle is characterized by comprising the following steps:
step 1: manufacturing a head mechanical arm cutting support frame: the cutting support frame consists of support frame legs, a forming positioning block and a support panel, the support frame legs are arranged at the lower part of the support panel, the forming positioning block is arranged on the support panel to facilitate the positioning of the blank, the shape of the support panel is the same as that of a cutting finished product, the size of the support panel is smaller than that of the cutting finished product, and the cutting amount is reserved;
step 2: positioning the blank: the blank is stably and slowly placed on the supporting frame by using a crown block and using a traceless hanging tong to lift and clamp the blank, and the blank is tightly leaned against a forming positioning block on the supporting panel;
and step 3: drawing the cutting driving track position of the manipulator: in view of the characteristics that a manipulator needs to perform point drawing, line drawing and programming for the first time when cutting parts, and the program can be directly used after the first piece is qualified, the steps of point drawing, line drawing and programming are only needed to be performed during the first production, a cut-shape line drawing template is used for drawing lines on a blank placed on a support frame, the line drawing template is pre-programmed by using a computer CAD program, the CAD-drawn blank is led into a numerical control plasma cutting machine for pre-cutting and manufacturing, after the template is finished, the upper edge and the left edge of the template are aligned with the edge of the blank, and a paint pen is used for drawing the track position, which is about to be cut and driven, of the manipulator on the blank;
and 4, step 4: programming and cutting: according to the drawn cutting travelling track of the manipulator, programming is respectively carried out by using a left manipulator programming handle and a right manipulator programming handle, the left manipulator is responsible for cutting work from the left edge to the middle point of the blank, the right manipulator is responsible for cutting work from the middle point to the right edge, programming is carried out according to the sequence, and interference of the two manipulators during simultaneous cutting is avoided;
and 5: shielding a non-working area: after programming is finished, a protective film is used for shielding a non-working area of the plate, so that soot is prevented from polluting other parts;
step 6: completing the cutting preparation: opening the manipulator, completing cutting preparation work, igniting and cutting, and driving the manipulator according to a pre-programmed track;
and 7: polishing: after cutting, polishing a heat affected zone of the section of the plate by using a millennium grinding wheel until the natural color of metal is leaked from the section;
and 8: measuring the size: and measuring whether the size meets the requirement after grinding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810373414.7A CN108555541B (en) | 2018-04-24 | 2018-04-24 | Shape cutting process for raw materials of octahedral arc-shaped end socket of tank container of railway intermodal vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810373414.7A CN108555541B (en) | 2018-04-24 | 2018-04-24 | Shape cutting process for raw materials of octahedral arc-shaped end socket of tank container of railway intermodal vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108555541A CN108555541A (en) | 2018-09-21 |
| CN108555541B true CN108555541B (en) | 2021-01-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810373414.7A Expired - Fee Related CN108555541B (en) | 2018-04-24 | 2018-04-24 | Shape cutting process for raw materials of octahedral arc-shaped end socket of tank container of railway intermodal vehicle |
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Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101214601A (en) * | 2007-12-27 | 2008-07-09 | 中冶天工建设有限公司 | Spherical shell plate once cutting pressing technique |
| CN101637862B (en) * | 2008-07-28 | 2011-02-09 | 南车青岛四方机车车辆股份有限公司 | Process for processing side wall of aluminum alloy bodywork of rail vehicle |
| CN102303359B (en) * | 2011-05-27 | 2013-12-11 | 中国一冶集团有限公司 | Heating furnace upright post cofferdam internal mold and making method thereof |
| CN203437824U (en) * | 2013-08-30 | 2014-02-19 | 江西制氧机有限公司 | Semiautomatic cutting and welding combination tool of pressure vessel end socket |
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| Publication number | Publication date |
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| CN108555541A (en) | 2018-09-21 |
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Effective date of registration: 20230105 Address after: 116000 No. 21 Guangyuan Street, Lushun Economic Development Zone, Dalian City, Liaoning Province Patentee after: Dalian CRRC Daqi Container Co.,Ltd. Address before: 116000 no.21-2 Guangyuan street, development zone, Lushunkou District, Dalian City, Liaoning Province Patentee before: DALIAN ZHONGCHE CONTAINER Co.,Ltd. |
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Granted publication date: 20210105 |
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