CN215587553U - Special-shaped plate edge rolling forming device - Google Patents
Special-shaped plate edge rolling forming device Download PDFInfo
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- CN215587553U CN215587553U CN202121445145.4U CN202121445145U CN215587553U CN 215587553 U CN215587553 U CN 215587553U CN 202121445145 U CN202121445145 U CN 202121445145U CN 215587553 U CN215587553 U CN 215587553U
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Abstract
The utility model discloses a special-shaped plate edge rolling forming device which comprises a first edge rolling machine mandrel, a second edge rolling machine mandrel and a third edge rolling machine mandrel, wherein a rolling sleeve and a positioning annular bulge are sleeved on the second edge rolling machine mandrel and the third edge rolling machine mandrel, and the special-shaped plate edge rolling forming device is suitable for edge rolling forming of sheet metal parts with special-shaped sections. According to the structural characteristics of the special-shaped plate, the forming surface is tightly attached to the special-shaped surface through the rolling sleeve and the positioning annular bulge, so that the edge rolling forming position is formed independently, and the size requirement of a part is further met.
Description
Technical Field
The utility model belongs to the technical field of machining, and particularly relates to a rolling forming device for a sheet metal part with a special-shaped section, which is suitable for the condition that the sheet metal part is of a special-shaped section structure.
Background
The material of annular radiator is stainless steel usually, but because the aircraft in the field of aviation requires more and more to the dead weight, and the lightweight is a big trend, consequently need develop neotype aluminium system annular radiator in advance, and annular radiator adopts novel cross-section aluminium section.
For the effectual novel aluminium section bar processing become annular radiator heat dissipation main part, need become the circular arc shape that needs with novel section bar bending edge rolling. In a common sheet metal rolling method, a common rolling machine is adopted for rolling, and the interface between the forming surface part of a common rolling device and a novel aluminum profile cannot be completely adhered to a die, so that the design requirement structure cannot be met, the rolling effect is poor, and the size is difficult to control.
Disclosure of Invention
The utility model aims to provide a special-shaped plate edge rolling forming device, which solves the problem that the edge rolling forming difficulty of a plate part with a special-shaped section cannot meet the design requirement. Furthermore, the edge rolling forming device can be used on a common edge rolling machine, so that the manufacturing cost and the processing and adjusting difficulty are reduced.
The utility model is realized by the following technical scheme:
a special-shaped plate rolling forming device is provided, wherein a middle area of one side surface of the special-shaped plate is provided with a bulge, a plurality of cavities which are parallel and extend along the length direction of the special-shaped plate are arranged in the bulge, the rolling forming device comprises a first rolling machine mandrel, a second rolling machine mandrel and a third rolling machine mandrel, the axes of the first rolling machine mandrel, the second rolling machine mandrel and the third rolling machine mandrel are parallel, the outer diameters of the first rolling machine mandrel, the second rolling machine mandrel and the third rolling machine mandrel are equal, wherein,
the vertical connecting line of the axis of the first rolling machine mandrel and the axis of the second rolling machine mandrel is perpendicular to the feeding direction of the rolling part, the first rolling machine mandrel is a smooth surface mandrel and is arranged on the inner surface side of the rolling part, the second rolling machine mandrel is arranged on the outer surface side of the rolling part, two rolling sleeves are symmetrically sleeved on the second rolling machine mandrel, the axial distance between the end surfaces of the two rolling sleeves is greater than or equal to the width of the upper bulge of the special-shaped plate, the rolling sleeves are also provided with positioning annular bulges, and the axial distance between the positioning annular bulges on the two rolling sleeves is greater than or equal to the width of the special-shaped plate;
the third rounding machine mandrel is arranged on the outer surface side of the rounding part and is positioned on the outlet side of the shaped plate formed by the first rounding machine mandrel and the second rounding machine mandrel, the vertical height of the axis of the third rounding machine mandrel is between the vertical height of the axis of the first rounding machine mandrel and the vertical height of the axis of the second rounding machine mandrel, two rolling sleeves are symmetrically sleeved on the third rounding machine mandrel, the axial distance between the end surfaces of the two rolling sleeves is greater than or equal to the width of the bulge on the shaped plate, the rolling sleeves are also provided with positioning annular bulges, and the axial distance between the positioning annular bulges on the two rolling sleeves is greater than or equal to the width of the shaped plate; it should be noted that, the symmetrical arrangement of the rollers means that the rollers are arranged on the second rolling machine mandrel (or the third rolling machine mandrel coaxially and symmetrically with respect to the protrusions of the special-shaped plate).
The difference between the outer diameter of the roller sleeve and the outer diameters of the second rolling machine mandrel and the third rolling machine mandrel is equal to the thickness of the bulge;
the difference between the outer diameter of the positioning annular bulge and the outer diameter of the roller is larger than or equal to the thickness of the special-shaped plate.
As an option, the first rolling machine mandrel, the second rolling machine mandrel and the third rolling machine mandrel are stepped mandrels, and the dead weight of the mandrels is reduced under the condition that the rigidity of the mandrels is not changed.
As an option, the roller sleeve is connected to the second rolling machine mandrel and the third rolling machine mandrel in an expanding manner, and the roller sleeve and the mandrel are connected firmly and the roller sleeve can be detached conveniently. And during expansion joint, the inner diameter of the roller sleeve is connected with the outer diameters of the second rolling machine mandrel and the third rolling machine mandrel through tolerance fit and difference of material expansion coefficients.
Alternatively, the rolling sleeve is welded on the second rolling machine mandrel and the third rolling machine mandrel, or the positioning annular bulge and the rolling sleeve are integrally formed, and the two are integrally and directly connected on the second rolling machine mandrel and the third rolling machine mandrel through screws.
As an option, a first mounting hole is formed in the circumferential surface of the roller, a second mounting hole is formed in the positioning annular protrusion, the positioning annular protrusion is fixed on the roller through a positioning pin, the second mounting hole and the first mounting hole, and the positioning pin can be accurately fixed in a connecting and positioning mode.
Alternatively, the end surfaces of the roller sleeve and the positioning annular protrusion are chamfered, and chamfering treatment is performed on the end surfaces of the roller sleeve and the positioning annular protrusion, which are in contact with the special-shaped plate, so that the surface of the special-shaped plate is prevented from being damaged.
In the utility model, in the process of rounding and forming, the rolling sleeve and the positioning annular bulge are matched with the mandrel of the rounding machine to form a forming surface matched with the section of the special-shaped plate, and the section is tightly attached during forming, so that the rounding and forming effect of the special-shaped plate is ensured, and the condition that the forming cannot be achieved due to sudden change of the section is avoided. The forming surfaces of the attachment include all surfaces on the special-shaped plate, namely the inner surface (the outer surface of the first rounding machine mandrel), the outer surface (the outer surface of the roller sleeve) and two side end surfaces (the inner side end surface of the annular positioning bulge), the outer surface of the bulge and the two side end surfaces (the outer surfaces of the second rounding machine mandrel and the third rounding machine mandrel, and the inner side end surface of the roller sleeve).
Compared with the prior art, the special-shaped plate edge rolling forming device provided by the utility model has the following advantages:
1. the rolling sleeve and the positioning annular bulge are arranged on the second rolling machine mandrel and the third rolling machine mandrel, so that the rolling forming device is tightly attached to the surface of the special-shaped plate;
2. the distance between the roller sleeve and the positioning annular bulge is set to ensure that the final molding size meets the requirement;
3. the mandrel of the first rounding machine, the mandrel of the second rounding machine and the mandrel of the third rounding machine can be mounted on a common rounding machine, so that the modification on equipment is small, and the modification cost is low;
4. the manufacturing difficulty of the rolling sleeve and the positioning annular protrusion is low, and the difficulty of adjusting the clearance between the first rolling machine mandrel, the second rolling machine mandrel and the third rolling machine mandrel is small.
Drawings
FIG. 1 is a schematic sectional view of a profile plate;
FIG. 2 is a schematic view of a rolling process and a rolling apparatus;
FIG. 3 is another directional view of FIG. 2;
FIG. 4 is an axial view of the roll forming apparatus;
FIG. 5 is a schematic view of the structure of the roller and the positioning annular projection;
1- -rolling parts; 2-a mandrel of a first rounding machine; 3-a second rolling machine mandrel; 4-a third rolling machine mandrel; 5-rolling; 6-positioning the annular bulge.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments, but it should not be understood that the scope of the subject matter of the present invention is limited to the following embodiments, and various modifications, substitutions and alterations made on the basis of the ordinary knowledge and customary practice in the art without departing from the technical spirit of the present invention are included in the scope of the present invention.
As shown in fig. 1, a convex structure is arranged at the middle position on one surface of the special-shaped plate, a plurality of cavities (as flow channels for heat exchange medium) which are parallel and extend along the length direction of the special-shaped plate are arranged in the convex structure, when the special-shaped plate is coiled into a circular shape to form an annular radiator, the problem that the material extension route of a part forming position is changed suddenly exists, the stress on each curved surface of the special-shaped plate is uneven, the material flow direction is irregular, and the situation that the forming of the special-shaped plate is not in place due to the sudden change of a neutral layer in the forming process of a sheet metal part of the special-shaped plate is caused. The utility model designs the edge rolling forming device according to the section condition of the special-shaped plate, ensures that the forming surface of the edge rolling forming core shaft is tightly attached to the section of the special-shaped plate, further performs bending forming, and ensures that different positions of the section of a part are uniformly bent and edge-rolled to form, thereby meeting the design requirement.
In this embodiment, the method for bending and forming the plate with the special-shaped section is realized as follows:
1. designing a rolling and forming device:
according to the structural characteristics of the section of the plate, the existing rolling equipment is combined, and the rolling forming device is designed to ensure that the rolling forming device is tightly attached to the section of the special-shaped plate.
As shown in fig. 2 to 5, the rounding forming device includes a first rounding machine mandrel 2, a second rounding machine mandrel 3 and a third rounding machine mandrel 4 which are parallel to each other in axis and equal in outer diameter, and the first rounding machine mandrel 2, the second rounding machine mandrel 3 and the third rounding machine mandrel 4 are stepped mandrels. The vertical connecting line of the axis of the first rolling machine mandrel 2 and the axis of the second rolling machine mandrel 3 is perpendicular to the feeding direction of the rolling part 1, the first rolling machine mandrel 2 is a smooth surface mandrel and is arranged on the inner surface side of the rolling part 1, the second rolling machine mandrel 3 is arranged on the outer surface side of the rolling part 1, two rolling sleeves 5 are symmetrically sleeved on the second rolling machine mandrel 3, the axial distance between the end surfaces of the two rolling sleeves 5 is larger than or equal to the width of a bulge on a special-shaped plate, a positioning annular bulge 6 is further arranged on each rolling sleeve 5, and the axial distance between the positioning annular bulges 6 on the two rolling sleeves 5 is larger than or equal to the width of the special-shaped plate; the third rolling machine mandrel 4 is arranged on the outer surface side of the rolling part 1 and is positioned on the outlet side of the shaped plate formed by the first rolling machine mandrel 2 and the second rolling machine mandrel 3, the vertical height of the axis of the third rolling machine mandrel 4 is between the vertical height of the axis of the first rolling machine mandrel 2 and the vertical height of the axis of the second rolling machine mandrel 3, the third rolling machine mandrel 4 is symmetrically sleeved with two rolling sleeves 5, the axial distance between the end surfaces of the two rolling sleeves 5 is more than or equal to the width of the bulge on the shaped plate, the rolling sleeves 5 are also provided with positioning annular bulges 6, and the axial distance between the positioning annular bulges 6 on the two rolling sleeves 5 is more than or equal to the width of the shaped plate; the difference between the outer diameter of the roller sleeve 5 and the outer diameters of the second rolling machine mandrel 3 and the third rolling machine mandrel 4 is equal to the thickness of the bulge; the difference between the outer diameter of the positioning annular bulge 6 and the outer diameter of the roller 5 is larger than or equal to the thickness of the special-shaped plate. The rolling sleeve 5 is connected to the second rolling machine mandrel 3 and the third rolling machine mandrel 4 in an expanding mode. The upper circumferential surface of the roller 5 is provided with a first mounting hole, the positioning annular bulge 6 is provided with a second mounting hole, and the positioning annular bulge 6 is fixed on the roller 5 through a positioning pin, the second mounting hole and the first mounting hole. The end surfaces of the roller 5 and the positioning annular bulge 6 are chamfered.
2. Equipment transformation:
the rolling forming device is assembled on a common three-axis rounding machine, and small transformation is carried out on the equipment.
3. Forming parts:
and rolling the sheet part with the special-shaped section by using the improved equipment to meet the required arc design requirement, and simultaneously performing arc correction. The profiled sheet enters the gap between the first 2 and second 3 mandrel, exits the gap and contacts the third mandrel 4 and bends. The distance between the rollers 5 and the distance between the positioning annular protrusions 6, the outer diameter of the rollers 5 and the outer diameter of the positioning annular protrusions 6 enable all the molding surfaces to be molded in close contact with the cross-sectional surface of the special-shaped plate.
The incoming material of the rounding part 1 in the rounding forming process is a special-shaped plate section (as shown in figure 1), the neutral layers of the middle position and the two side positions of the rounding part 1 at each position are inconsistent when the rounding is carried out, the transition position of the section change of the rounding part 1 is changed rapidly by a single rounding method, the rounding effect at the position is poor, and the size is difficult to control. In order to solve the above difficulties, the rolling device shown in fig. 2 is used for molding.
The above is the working principle and structural characteristics of this embodiment, and all such devices manufactured according to this structural scheme belong to the protection scope of the present invention.
Claims (5)
1. The utility model provides a dysmorphism board edge rolling forming device, a side surface middle zone of dysmorphism board has the arch, and protruding inside has many parallel and along the cavity that the length direction of dysmorphism board extended, its characterized in that: the rounding forming device comprises a first rounding machine mandrel (2), a second rounding machine mandrel (3) and a third rounding machine mandrel (4) which are parallel to each other in axis and have the same outer diameter, wherein,
the vertical connecting line of the axis of the first rolling machine mandrel (2) and the axis of the second rolling machine mandrel (3) is perpendicular to the feeding direction of the rolling part (1), the first rolling machine mandrel (2) is a smooth surface mandrel and is arranged on the inner surface side of the rolling part (1), the second rolling machine mandrel (3) is arranged on the outer surface side of the rolling part (1), two rolling sleeves (5) are symmetrically sleeved on the second rolling machine mandrel (3), the axial distance between the end surfaces of the two rolling sleeves (5) is greater than or equal to the width of the bulge on the special-shaped plate, the rolling sleeves (5) are further provided with positioning annular bulges (6), and the axial distance between the positioning annular bulges (6) on the two rolling sleeves (5) is greater than or equal to the width of the special-shaped plate;
the third rolling machine mandrel (4) is arranged on the outer surface side of the rolling part (1) and is positioned on the outlet side of the shaped plate formed by the first rolling machine mandrel (2) and the second rolling machine mandrel (3), the vertical height of the axis of the third rolling machine mandrel (4) is between the vertical height of the axis of the first rolling machine mandrel (2) and the vertical height of the axis of the second rolling machine mandrel (3), two rolling sleeves (5) are symmetrically sleeved on the third rolling machine mandrel (4), the axial distance between the end surfaces of the two rolling sleeves (5) is greater than or equal to the width of the upper bulge of the shaped plate, a positioning annular bulge (6) is further arranged on each rolling sleeve (5), and the axial distance between the positioning annular bulges (6) on the two rolling sleeves (5) is greater than or equal to the width of the shaped plate;
the difference between the outer diameter of the roller sleeve (5) and the outer diameters of the second rolling machine mandrel (3) and the third rolling machine mandrel (4) is equal to the thickness of the bulge;
the difference between the outer diameter of the positioning annular bulge (6) and the outer diameter of the roller (5) is larger than or equal to the thickness of the special-shaped plate.
2. The apparatus of claim 1, wherein: the first rolling machine mandrel (2), the second rolling machine mandrel (3) and the third rolling machine mandrel (4) are stepped mandrels.
3. The apparatus of claim 1, wherein: the rolling sleeve (5) is connected to the second rolling machine mandrel (3) and the third rolling machine mandrel (4) in an expanding mode.
4. The apparatus of claim 1, wherein: the roller sleeve is characterized in that a first mounting hole is formed in the circumferential surface of the roller sleeve (5), a second mounting hole is formed in the positioning annular protrusion (6), and the positioning annular protrusion (6) is fixed to the roller sleeve (5) through a positioning pin, the second mounting hole and the first mounting hole.
5. The apparatus of claim 1, wherein: the end surfaces of the roller sleeve (5) and the positioning annular bulge (6) are provided with chamfers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121445145.4U CN215587553U (en) | 2021-06-28 | 2021-06-28 | Special-shaped plate edge rolling forming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121445145.4U CN215587553U (en) | 2021-06-28 | 2021-06-28 | Special-shaped plate edge rolling forming device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215587553U true CN215587553U (en) | 2022-01-21 |
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ID=79876555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121445145.4U Active CN215587553U (en) | 2021-06-28 | 2021-06-28 | Special-shaped plate edge rolling forming device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215587553U (en) |
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2021
- 2021-06-28 CN CN202121445145.4U patent/CN215587553U/en active Active
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