CN109093003B - Withdrawal and straightening die and withdrawal and straightening method for cabin body component formed by aluminum alloy hot extrusion - Google Patents
Withdrawal and straightening die and withdrawal and straightening method for cabin body component formed by aluminum alloy hot extrusion Download PDFInfo
- Publication number
- CN109093003B CN109093003B CN201811232903.7A CN201811232903A CN109093003B CN 109093003 B CN109093003 B CN 109093003B CN 201811232903 A CN201811232903 A CN 201811232903A CN 109093003 B CN109093003 B CN 109093003B
- Authority
- CN
- China
- Prior art keywords
- straightening
- cabin component
- base plate
- cavity
- cabin
- Prior art date
- 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.)
- Active
Links
Images
Classifications
-
- 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
- B21D37/10—Die sets; Pillar guides
-
- 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
- B21D3/00—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts
- B21D3/12—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts by stretching with or without twisting
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
- Forging (AREA)
Abstract
The invention discloses a withdrawal and straightening die for cabin body components formed by aluminum alloy hot extrusion, which comprises the following components in percentage by weight: a profiling module having a lower cavity; a fixed bolster having an upper cavity; the compression module is buckled on the fixed base plate and is detachably fixed with the fixed base plate, so that the lower cavity and the upper cavity jointly define a withdrawal and straightening cavity, the profile of the withdrawal and straightening cavity is consistent with the nominal size of the cabin component, and the depth of the withdrawal and straightening cavity is smaller than the length of the cabin component; and the four supporting cushion blocks are used for providing support for four corners of the cabin component, and the external dimensions of the supporting cushion blocks are the same as the internal cavities of the corners of the cabin component. The invention also provides a pulling and straightening method, and the cabin component is pulled and straightened by adopting the pulling and straightening die. The invention can obtain the extruded product with flatness and perimeter size tolerance meeting the requirements, and can effectively improve the qualification rate and the production efficiency of the extruded product.
Description
Technical Field
The invention belongs to the field of hot extrusion forming in a metal plastic forming technology, and particularly relates to a withdrawal and straightening die and a withdrawal and straightening method for an aluminum alloy hot extrusion forming cabin component.
Background
At present, the application range of products with large-scale, complicated and light-weight structures in the aerospace field is wider and wider. The capsule body structure is manufactured by adopting a hot extrusion technology for integral forming aiming at the large-size thin-wall cavity body structure, and has obvious advantages in the aspects of controlling size precision, mechanical property and the like compared with the original traditional means of forging or casting combined machining and manufacturing. However, since the capsule members are large-sized special-shaped thin-walled structures, large deformation occurs during the heat treatment process after the hot extrusion forming, and how to effectively control the deformation of the hot extrusion formed capsule members during the post-treatment process becomes the key direction for the research of the technicians in this field.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: overcomes the defects of the prior art and provides a withdrawal and straightening die and a withdrawal and straightening method for an aluminum alloy hot extrusion molding cabin body component.
The technical solution of the invention is as follows: a pulling and straightening die for aluminum alloy hot extrusion forming cabin body components comprises:
a profiling module having a lower cavity;
a fixed bolster having an upper cavity; the compression module is buckled on the fixed base plate and is detachably fixed with the fixed base plate, so that the lower cavity and the upper cavity jointly define a withdrawal and straightening cavity, the profile of the withdrawal and straightening cavity is consistent with the nominal size of the cabin component, and the depth of the withdrawal and straightening cavity is smaller than the length of the cabin component;
the four supporting cushion blocks are respectively arranged in the inner cavities of the four corners of the cabin component and used for providing support for the four corners of the cabin component, and the external dimensions of the supporting cushion blocks are the same as those of the inner cavities of the corners of the cabin component.
Preferably, the straightening and withdrawing die for the aluminum alloy hot extrusion molding cabin component further comprises a positioning device, which is used for positioning the molding module when the molding module is buckled on the fixed base plate.
Preferably, in the straightening and withdrawing die for forming the cabin component by hot extrusion of the aluminum alloy, the forming module comprises a compression molding module body and two first connecting parts connected to two sides of the compression molding module body, and the compression molding module body is provided with the lower cavity; the fixed base plate comprises a base plate main body and two second connecting parts connected to two sides of the base plate main body, and the base plate main body is provided with the upper cavity; the two first connecting portions and the two second connecting portions are in one-to-one correspondence, and each first connecting portion and each second connecting portion are detachably fixed to each other through bolts.
Preferably, in the straightening and withdrawing die for the cabin member formed by hot extrusion of the aluminum alloy, the positioning device comprises a pair of positioning pins, a pair of positioning keys, a pair of positioning pin holes and a pair of positioning key holes, the pair of positioning pins are respectively arranged on the two second connecting parts, the pair of positioning keys are respectively arranged on the two second connecting parts, the pair of positioning pins and the pair of positioning keys are distributed on two diagonal lines of the fixing base plate, the pair of positioning pin holes are respectively arranged on the two first connecting parts, the pair of positioning key holes are respectively arranged on the two first connecting parts, the cross section of each positioning pin is circular, and the cross section of each positioning key is oval; when the profiling module is buckled on the fixed base plate, each positioning pin is positioned in each positioning pin hole, and each positioning key is positioned in each positioning key hole.
Preferably, in the straightening and withdrawing die for the cabin component formed by the aluminum alloy through hot extrusion, the positioning pin is in a circular truncated cone shape and has a drawing slope of 1-3 degrees.
Preferably, in the straightening and withdrawing die for hot extrusion molding of the cabin structural member of the aluminum alloy, the extending directions of the long axes of the pair of positioning keys are perpendicular to each other.
Preferably, in the straightening and withdrawing die for the aluminum alloy hot extrusion forming cabin body component, the supporting cushion block is made of resin or wood.
A method for straightening and withdrawing an aluminum alloy cabin component formed by hot extrusion adopts the straightening and withdrawing die to straighten the cabin component, and comprises the following steps:
placing the cabin component in an upper cavity of the fixed base plate;
step two, buckling the compression molding module on the fixed base plate, so that the main body part of the capsule body component is accommodated in a pulling and straightening cavity defined by a lower cavity of the compression molding module and an upper cavity of the fixed base plate together, and two ends of the capsule body component are exposed outside the pulling and straightening cavity; detachably fixing the molding module and the fixed backing plate together;
respectively placing four supporting cushion blocks in four corner inner cavities of the cabin component, and limiting the four supporting cushion blocks at fixed positions by using grid ribs inside the cabin component so that each supporting cushion block is completely attached to each corner inner cavity of the cabin component;
and fourthly, clamping two ends of the cabin component by using straightening equipment, and straightening and shaping the cabin component.
Preferably, in the pulling and straightening method for forming the cabin component by hot extrusion of the aluminum alloy, in the first step, before the cabin component is placed in the upper cavity of the fixed base plate, a graphite lubricant is uniformly coated on the outer surface of the cabin component and the inner surface of the upper cavity of the fixed base plate; and in the second step, before the die forming module is buckled on the fixed base plate, a graphite lubricant is uniformly coated on the inner surface of the lower cavity of the die forming module.
Preferably, in the method for straightening and withdrawing the cabin component formed by the aluminum alloy through hot extrusion, in the fourth step, straightening and withdrawing of the cabin component are completed within 1 hour, and the range of the stretching ratio is 1-3%.
Compared with the prior art, the invention has the following advantages:
the straightening and withdrawing die for the aluminum alloy hot extrusion forming cabin component is used for straightening and withdrawing, the deformation of the hot extrusion forming cabin component can be controlled within the allowable range of the design tolerance, the extruded product with the flatness and the perimeter size tolerance meeting the requirements can be obtained, the qualification rate and the production efficiency of the extruded product can be effectively improved, and the straightening and withdrawing die is particularly suitable for large-scale special-shaped section thin-wall structure products.
Drawings
FIG. 1 is a perspective view of a straightening die for hot extrusion forming of cabin components from aluminum alloy in one embodiment;
FIG. 2 is a schematic view of a straightening die for hot extrusion forming of cabin components from aluminum alloy according to one embodiment;
FIG. 3 is a schematic structural view of a forming module in one embodiment;
FIG. 4 is a schematic view of the construction of a retaining mat in one embodiment;
FIG. 5 is a schematic view of the insert of the lip blocks into the corner cavities of the nacelle components in one embodiment.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
As shown in fig. 1 to 5, the present invention provides a straightening and withdrawing mold for an aluminum alloy hot extrusion molding cabin component, comprising: a molding module 1 having a lower cavity 12; a fixed bolster 4 having an upper cavity 15; wherein the compression mould 1 is buckled on the fixed base plate 4 and is detachably fixed with the fixed base plate 4, so that the lower cavity 12 and the upper cavity 15 jointly define a withdrawal and straightening cavity 5, the profile 19 of the withdrawal and straightening cavity 5 is consistent with the nominal size of the outer shape of the cabin component 11, and the depth of the withdrawal and straightening cavity 5 is smaller than the length of the cabin component; the four supporting cushion blocks 10 are respectively arranged in the inner cavities of the four corners of the cabin component and are used for providing support for the four corners of the cabin component, and the external dimensions of the supporting cushion blocks are the same as those of the inner cavities of the corners of the cabin component.
In order to ensure that the perimeter size of the cabin component is consistent before and after the perimeter size of the cabin component in the pulling and straightening shaping process, the contour of the pulling and straightening cavity is consistent with the nominal size of the appearance of the cabin component. The profile of the withdrawal cavity in a certain cross section is shown in figure 2 as the profile formed on the paper. In order to realize the withdrawal and straightening shaping, two side parts (two ends) of the cabin component need to be exposed outside the withdrawal and straightening cavity for the withdrawal and straightening equipment to clamp the two ends. Therefore, the depth of the straightening cavity (the width dimension in the direction perpendicular to the plane of the drawing sheet in fig. 2 is the depth of the straightening cavity) is smaller than the length of the cabin structural member.
In order to provide support for the corners of the cabin components during the straightening and reshaping process so as to prevent the corners of the cabin components from deforming, the supporting cushion blocks are arranged in the inner cavities of the corners of the cabin components. The cabin component is provided with grid ribs which are distributed in the cabin component in a certain form. The head blocks may be filled into the space defined by the outer shell and the grid ribs near the corners of the hull component (the space is the inner cavity of the corners of the hull component), ensuring that the head blocks do not become loose and fall off.
The cabin component may be a component having a profiled cross-section. May be an aerospace vehicle cabin component. The cabin component is formed by quenching hot extrusion.
The straightening and withdrawing die for the aluminum alloy hot extrusion forming cabin component is used for straightening and withdrawing, the deformation of the hot extrusion forming cabin component can be controlled within the allowable range of the design tolerance, the extruded product with the flatness and the perimeter size tolerance meeting the requirements can be obtained, the qualification rate and the production efficiency of the extruded product can be effectively improved, and the straightening and withdrawing die is particularly suitable for large-scale special-shaped section thin-wall structure products.
In a preferred embodiment, the straightening and withdrawing mold for the aluminum alloy hot extrusion molding cabin component further comprises a positioning device 2, which is used for positioning the molding module 1 when the molding module is fastened to the fixed base plate 4. When the forming module and the fixed base plate are assembled, the positioning device is used for facilitating the rapid determination of the assembling position and the assembling direction of the forming module, and further the assembling efficiency is improved.
In a preferred embodiment, in the straightening and withdrawing die for forming the cabin component by hot extrusion of the aluminum alloy, the forming module 1 includes a die block body 13 and two first connecting portions 14 connected to two sides of the die block body 13, and the die block body 13 is formed with the lower cavity 12; the fixed base plate 4 comprises a base plate main body 16 and two second connecting parts 17 connected to two sides of the base plate main body 16, and the base plate main body 16 is provided with the upper cavity 15; the two first connecting portions 14 and the two second connecting portions 17 correspond to each other one by one, and each first connecting portion 14 and each second connecting portion 17 are detachably fixed to each other by the bolts 3.
The first connecting part and the die pressing module main body are of an integrally formed structure, and the second connecting part and the fixed base plate main body are of an integrally formed structure.
In a preferred embodiment, in the pulling and straightening die for forming the cabin component by hot extrusion of the aluminum alloy, the positioning device 2 includes a pair of positioning pins 8, a pair of positioning keys 9, a pair of positioning pin holes 6 and a pair of positioning key holes 7, the pair of positioning pins 8 are respectively disposed on the two second connecting portions 17, the pair of positioning keys 9 are respectively disposed on the two second connecting portions 17, the pair of positioning pins 8 and the pair of positioning keys 9 are distributed on two diagonal lines of the fixed cushion plate 4, the pair of positioning pin holes 6 are respectively disposed on the two first connecting portions 14, the pair of positioning key holes 7 are respectively disposed on the two first connecting portions 14, the cross section of the positioning pins 8 is circular, and the cross section of the positioning keys 9 is elliptical; when the profiling module is buckled on the fixed base plate, each positioning pin 8 is positioned in each positioning pin hole, and each positioning key 9 is positioned in each positioning key hole.
The cross section of the positioning pin is circular, the cross section of the positioning key is elliptical, the positioning pin and the positioning key are different in shape, and the positioning pins and the positioning keys are distributed in a staggered mode, so that on one hand, a unique assembling direction is defined for the forming module, the assembling direction of the straightening die can be confirmed and fixed quickly, and on the other hand, dislocation of the die in the straightening process can be prevented. During assembly of the molding module to the fixed bolster, each locating pin enters each locating pin hole, and each locating key enters each locating key hole. If the positioning pin can not enter the positioning pin hole and the positioning key can not enter the positioning key hole, the assembly position or the assembly direction of the molding module is incorrect, and the upper die cavity and the lower die cavity can not be combined into a pulling-straightening die cavity.
The preferred locating pin and navigation key adopt embedded structure to reduce the handling capacity of mould, guarantee the assembly precision of mould.
In a preferred embodiment, in the straightening and withdrawing die for the aluminum alloy hot extrusion forming cabin component, the positioning pin 8 is in a circular truncated cone shape and has a draft angle of 1-3 °.
The positioning pin is designed into a round table shape, and the positioning pin is provided with a 1-3-degree drawing inclination (namely, the angle formed by the round table bus and the lower bottom surface is 1-3 degrees), so that the forming module can be smoothly separated from the fixing cushion block when the forming module is moved out.
In a preferred embodiment, in the straightening die for forming the cabin component by hot extrusion of the aluminum alloy, the extending directions of the long axes of the pair of positioning keys 9 are perpendicular to each other, so that the displacement or offset of the straightening die in the straightening and shaping process can be more effectively avoided.
In a preferred embodiment, in the straightening and pulling die for forming the cabin component by hot extrusion of the aluminum alloy, the supporting cushion blocks 10 are made of resin or wood, so that the defects of obvious indentation or scratch on the inner surface of the corner of the cabin component in the straightening and pulling process are prevented. The bolster blocks may also be made of other materials that do not damage the cabin components.
The invention also provides a pulling and straightening method for the cabin component formed by the aluminum alloy through hot extrusion, the cabin component is pulled and straightened by the pulling and straightening die, and the method comprises the following steps:
firstly, placing the cabin component 11 in an upper cavity 15 of the fixed base plate 4;
step two, buckling the compression mould 1 on the fixed base plate 4, so that the main body part of the capsule body component 11 is accommodated in a pulling and straightening cavity 5 defined by the lower cavity 12 of the compression mould and the upper cavity 15 of the fixed base plate together, and two ends of the capsule body component 11 are exposed outside the pulling and straightening cavity; detachably fixing the molding module 1 and the fixed backing plate 4 together;
thirdly, respectively placing four supporting cushion blocks 10 in four corner inner cavities of the cabin component 11, and limiting the four supporting cushion blocks 10 at fixed positions by using grid ribs 18 in the cabin component 11, so that each supporting cushion block is completely attached to each corner inner cavity of the cabin component;
and fourthly, clamping two ends of the cabin component by using straightening equipment, and straightening and shaping the cabin component.
The straightening and withdrawing die for the aluminum alloy hot extrusion forming cabin component is used for straightening and withdrawing, the deformation of the hot extrusion forming cabin component can be controlled within the allowable range of the design tolerance, the extruded product with the flatness and the perimeter size tolerance meeting the requirements can be obtained, the qualification rate and the production efficiency of the extruded product can be effectively improved, and the straightening and withdrawing die is particularly suitable for large-scale special-shaped section thin-wall structure products.
In a preferred embodiment, in the method for straightening the cabin component formed by hot extrusion of the aluminum alloy, in the first step, before the cabin component is placed in the upper cavity of the fixed base plate, a graphite lubricant is uniformly coated on the outer surface of the cabin component and the inner surface of the upper cavity of the fixed base plate; and in the second step, before the die forming module is buckled on the fixed base plate, a graphite lubricant is uniformly coated on the inner surface of the lower cavity of the die forming module.
Graphite lubricant is uniformly coated on the outer profile surface of the cabin component and the inner cavity surface of the withdrawal and straightening cavity so as to ensure the surface quality of the cabin component in the withdrawal, straightening and shaping process.
In a preferred embodiment, in the method for straightening and withdrawing the cabin component formed by hot extrusion of the aluminum alloy, in the fourth step, straightening and withdrawing of the cabin component is completed within 1 hour, and the elongation rate ranges from 1% to 3%, so as to ensure that the best forming effect is obtained.
Example 1
In this example, the cabin body member formed by hot extrusion of the 6005A aluminum alloy was subjected to straightening and reshaping.
The straightening and withdrawing die for the aluminum alloy hot extrusion cabin with the special-shaped cross section comprises a compression module 1, a fixed base plate 4, a supporting cushion block 10, a positioning pin 8 and a positioning key 9. Wherein, the profile of a withdrawal and straightening cavity formed by the upper working surface and the lower working surface of the compression module 1 and the fixed base plate 4 of the withdrawal and straightening die is consistent with the nominal size of the appearance of a designed extruded product (cabin component), and the length (equal to the depth of the withdrawal and straightening cavity) of the compression module 1 and the fixed base plate 4 is 1/2 of the design length of a hot extrusion cabin. The pulling and straightening die is fastened by adopting a bolt connecting structure, and the design size of a bolt is phi 30mm multiplied by 80mm multiplied by 6.
In a pair of locating pins, the diameter of the lower bottom surface of one locating pin is 90mm, the height is 100mm, the diameter of the lower bottom surface of the other locating pin is 100mm, the height is 100mm, and the draft angle is 1.5 degrees. The dimensions of a pair of positioning keys are 100mm multiplied by 60mm multiplied by 100mm (length, width, height). The positioning device adopts a loose piece structure which is convenient to replace and is matched with the molding module and the fixed base plate for processing.
The material selected by the molding die block and the fixed backing plate is low heat-resistant high-toughness steel 5CrMnMo, and the positioning pin and the positioning key are made of carbon tool steel T7. The material of the supporting cushion block is selected from common glass fiber reinforced plastics, and the manufacturing mode is traditional CNC machining. The lubricant is graphite type lubricant.
The whole pulling and straightening shaping process is set to be completed within 0.5 h. The elongation is selected to be 1%.
Example 2
In this example, the cabin body member formed by hot extrusion of the 6005A aluminum alloy was subjected to straightening and reshaping.
The straightening and withdrawing die for the aluminum alloy hot extrusion cabin with the special-shaped cross section comprises a compression module 1, a fixed base plate 4, a supporting cushion block 10, a positioning pin 8 and a positioning key 9. Wherein, the profile of a cavity formed by the upper working surface and the lower working surface of the compression module 1 and the fixed backing plate 4 of the straightening and withdrawal die is consistent with the nominal size of the appearance of the designed extruded product, and the length of the compression module 1 and the fixed backing plate 4 is 2/3 of the design length of the hot extrusion cabin. The pulling and straightening die is fastened by adopting a bolt connecting structure, and the design size of a bolt is phi 40mm multiplied by 80mm multiplied by 6.
In a pair of locating pins, the diameter of the lower bottom surface of one locating pin is 95mm, the height is 100mm, the diameter of the lower bottom surface of the other locating pin is 105mm, the height is 100mm, and the draft angle is 3 degrees. The dimensions of a pair of positioning keys are 80mm multiplied by 50mm multiplied by 100mm (length, width, height). The positioning device adopts a loose piece structure which is convenient to replace and is matched with the molding module and the fixed base plate for processing.
The material selected by the die block and the fixed backing plate is low heat-resistant high-toughness steel 5CrMnMo, and the positioning pin and the positioning key are low heat-resistant high-toughness steel 5 CrMnMo. The material of the supporting cushion block 10 is selected to be a three-ply board, and the manufacturing mode is the traditional CNC machining. The lubricant is graphite type lubricant.
The whole pulling and straightening shaping process is set to be completed within 0.8 h. The elongation was selected to be 3%.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the present invention, and those skilled in the art can make variations and modifications without departing from the spirit and scope of the present invention.
Claims (7)
1. The utility model provides a cabin body component's of aluminum alloy hot extrusion draw straightening die which characterized in that includes:
a profiling module having a lower cavity;
a fixed bolster having an upper cavity; the compression module is buckled on the fixed base plate and is detachably fixed with the fixed base plate, so that the lower cavity and the upper cavity jointly define a withdrawal and straightening cavity, the profile of the withdrawal and straightening cavity is consistent with the nominal size of the cabin component, and the depth of the withdrawal and straightening cavity is smaller than the length of the cabin component;
the four supporting cushion blocks are respectively arranged in the inner cavities of the four corners of the cabin component and used for providing support for the four corners of the cabin component, and the external dimensions of the supporting cushion blocks are the same as those of the inner cavities of the corners of the cabin component;
the positioning device is used for positioning the molding module when the molding module is buckled on the fixed base plate;
the die set module comprises a die set module body and two first connecting parts connected to two sides of the die set module body, and the die set module body is provided with the lower cavity; the fixed base plate comprises a base plate main body and two second connecting parts connected to two sides of the base plate main body, and the base plate main body is provided with the upper cavity; the two first connecting parts correspond to the two second connecting parts one by one, and the first connecting parts and the second connecting parts are detachably fixed with each other through bolts;
the positioning device comprises a pair of positioning pins, a pair of positioning keys, a pair of positioning pin holes and a pair of positioning key holes, the pair of positioning pins are respectively arranged on the two second connecting parts, the pair of positioning keys are respectively arranged on the two second connecting parts, the pair of positioning pins and the pair of positioning keys are distributed on two diagonal lines of the fixed base plate, the pair of positioning pin holes are respectively arranged on the two first connecting parts, the pair of positioning key holes are respectively arranged on the two first connecting parts, the cross sections of the positioning pins are circular, and the cross sections of the positioning keys are oval; when the profiling module is buckled on the fixed base plate, each positioning pin is positioned in each positioning pin hole, and each positioning key is positioned in each positioning key hole.
2. The straightening and withdrawing die for the aluminum alloy hot extrusion forming cabin component according to claim 1, wherein the positioning pin is in a shape of a circular truncated cone and has a draft angle of 1-3 degrees.
3. The tension straightening die for the aluminum alloy hot extrusion forming cabin body component according to claim 1, wherein the long axes of the pair of positioning keys extend in directions perpendicular to each other.
4. The straightening die for the cabin component formed by hot extrusion of the aluminum alloy according to any one of claims 1 to 3, wherein the supporting pad blocks are made of resin or wood.
5. A method for straightening and withdrawing an aluminum alloy hot extrusion forming cabin component, which is characterized in that the cabin component is straightened and withdrawn by adopting the straightening and withdrawing die as claimed in any one of claims 1 to 3, and comprises the following steps:
placing the cabin component in an upper cavity of the fixed base plate;
step two, buckling the compression molding module on the fixed base plate, so that the main body part of the capsule body component is accommodated in a pulling and straightening cavity defined by a lower cavity of the compression molding module and an upper cavity of the fixed base plate together, and two ends of the capsule body component are exposed outside the pulling and straightening cavity; detachably fixing the molding module and the fixed backing plate together;
respectively placing four supporting cushion blocks in four corner inner cavities of the cabin component, and limiting the four supporting cushion blocks at fixed positions by using grid ribs inside the cabin component so that each supporting cushion block is completely attached to each corner inner cavity of the cabin component;
and fourthly, clamping two ends of the cabin component by using straightening equipment, and straightening and shaping the cabin component.
6. The method for straightening the cabin component formed by hot extrusion of the aluminum alloy according to claim 5, wherein in the first step, before the cabin component is placed in the upper cavity of the fixed base plate, a graphite lubricant is uniformly coated on the outer surface of the cabin component and the inner surface of the upper cavity of the fixed base plate; and in the second step, before the die forming module is buckled on the fixed base plate, a graphite lubricant is uniformly coated on the inner surface of the lower cavity of the die forming module.
7. The method for straightening and withdrawing the aluminum alloy hot extrusion forming cabin component according to claim 6, wherein in the fourth step, straightening and withdrawing of the cabin component are completed within 1 hour, and the stretching ratio ranges from 1% to 3%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811232903.7A CN109093003B (en) | 2018-10-23 | 2018-10-23 | Withdrawal and straightening die and withdrawal and straightening method for cabin body component formed by aluminum alloy hot extrusion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811232903.7A CN109093003B (en) | 2018-10-23 | 2018-10-23 | Withdrawal and straightening die and withdrawal and straightening method for cabin body component formed by aluminum alloy hot extrusion |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109093003A CN109093003A (en) | 2018-12-28 |
| CN109093003B true CN109093003B (en) | 2020-09-11 |
Family
ID=64869104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811232903.7A Active CN109093003B (en) | 2018-10-23 | 2018-10-23 | Withdrawal and straightening die and withdrawal and straightening method for cabin body component formed by aluminum alloy hot extrusion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109093003B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5440267A (en) * | 1977-09-06 | 1979-03-29 | Tatsuji Sasai | Method of making extruded shape material |
| US5231863A (en) * | 1992-04-24 | 1993-08-03 | General Electric Company | Mandrel loading method and apparatus in a thermal sizing-annealing process |
| CN203992020U (en) * | 2014-08-06 | 2014-12-10 | 无锡福镁轻合金科技有限公司 | Finishing die jaw device |
| CN205496303U (en) * | 2016-04-18 | 2016-08-24 | 德阳市东汽实业开发有限责任公司 | Circularity school shape frock |
| CN206168981U (en) * | 2016-11-15 | 2017-05-17 | 张道勇 | Adjusting device of super high voltage electrode machine case cylindricity |
-
2018
- 2018-10-23 CN CN201811232903.7A patent/CN109093003B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN109093003A (en) | 2018-12-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110802153B (en) | Deep drawing forming process for aluminum alloy deep paraboloid cylindrical part | |
| CN111804786B (en) | Integral wall plate step-by-step progressive thermoforming and thermal sizing integrated method | |
| CN111112467B (en) | Non-drift-diameter rib pressing plate forming die and rib pressing curved plate machining method | |
| CN102641955A (en) | Mould capable of forming three-way pipe on one-way pressure machine and forming method thereof | |
| CN109093003B (en) | Withdrawal and straightening die and withdrawal and straightening method for cabin body component formed by aluminum alloy hot extrusion | |
| CN108015254A (en) | The Semi-Solid Thixoforming pressurizing unit and pressing method of wrought aluminium alloy trestle component | |
| CN109693304B (en) | Side mold fixing method for producing prefabricated part | |
| CN107116171B (en) | A kind of thin plate class complexity forging part base loose tool and manufacturing process | |
| CN112845660B (en) | Welding and air-expanding composite forming method for three-layer aluminum alloy cylindrical part | |
| CN113857356A (en) | Forming die and method for airplane skin parts | |
| CN211489560U (en) | Casting mould convenient to drawing of patterns | |
| EP1521669A1 (en) | Air-permeable moulding tool and method for production of embossed components by cladding a film on a support piece | |
| CN220387653U (en) | Processing die for shaping of stay wire shell | |
| CN208662311U (en) | A kind of composite die of punching press bracket of back axle | |
| CN207806226U (en) | A kind of building mortion of stainless steel bimetallic tube | |
| CN220049714U (en) | Stay wire shell processing die | |
| CN220717499U (en) | Subway anchor bolt processing mould | |
| CN216095928U (en) | Novel mould is used in gusset plate production | |
| CN212822511U (en) | Casting mold for curved rack rail of stair lifting chair | |
| CN218785135U (en) | Stamping die for reinforcing plate of automobile rear top cross beam | |
| CN109333913B (en) | Pin hardware embedding forming device | |
| CN216324576U (en) | Elastic support ring forming tool | |
| CN210632778U (en) | Double-opening shell mold | |
| CN218340806U (en) | Hole flanging and shaping die | |
| CN215094994U (en) | Automobile mold with large-angle pitched roof auxiliary rod structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhang Tiejun Inventor after: Zhou Xiaojing Inventor after: Guo Xiaolin Inventor after: Wu Kai Inventor after: Dong Dong Inventor after: Wang Shenglong Inventor after: Wang Zhimin Inventor after: Yao Wei Inventor before: Zhou Xiaojing Inventor before: Guo Xiaolin Inventor before: Wu Kai Inventor before: Dong Dong Inventor before: Wang Shenglong Inventor before: Wang Zhimin Inventor before: Zhang Tiejun Inventor before: Yao Wei |