CN109570352A - A kind of panel beating method of single mode multi-step forming - Google Patents
A kind of panel beating method of single mode multi-step forming Download PDFInfo
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- CN109570352A CN109570352A CN201710899701.7A CN201710899701A CN109570352A CN 109570352 A CN109570352 A CN 109570352A CN 201710899701 A CN201710899701 A CN 201710899701A CN 109570352 A CN109570352 A CN 109570352A
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- upper mold
- plate
- molds
- lower set
- mold group
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- 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
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/02—Stamping using rigid devices or tools
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The present invention provides a kind of panel beating method of single mode multi-step forming, is used to process the skin part in aviation part with step structure, comprising steps of plate is placed into two lower set of molds by a.；B. the relative position for adjusting multiple upper mold blocks of upper mold group, until multiple upper mold blocks of upper mold group contact plate respectively；C. upper mold group downlink, so that the sheet metal bending between two lower set of molds deforms；D. by the mobile feeding distance of plate, step b and c are repeated, until plate meets final shape along the bending deformation of direction of feed；And e. takes out plate (2), forming terminates.
Description
Technical field
The invention belongs to technical fields of mechanical processing, and in particular to a kind of panel beating method of single mode multi-step forming,
It is used to process the skin part in aviation part with step structure.
Background technique
To mitigate weight, in aviation part, there are a large amount of step structures, it is possible to understand that " to be spelled by different-thickness plate
Connect " constituent part.The manufacture of part step has two methods of machining, chemistry milling, and wherein chemistry milling is due to tank liquor pair
Environmental pollution is serious, and is the technology it is not recommended that using in aeronautical manufacture to part fatigue behaviour decrease to some degree.
Such part main problem is first processing step structure or post-processing step structure, when post-processing step, work
Skill process is that sheet metal forming technology adds mirror image milling, and the process flow is since mirror image milling technical maturity is poor, step processing
Middle rebound is serious, therefore there are the process-cycle is long, the shape degree requirement of part is high after roll bending, part persistently presss from both sides in being embodied
Hold the problems such as difficult, element precision is difficult to ensure；In the ban when processing step structure, current process focus primarily upon using metal or
Nonmetallic padding fills and leads up the step of plate, is formed afterwards using the techniques such as traditional roll bending, press-bending, but the design of padding,
Processing etc. requires longer cycle, and stress is difficult to control in roots level forming.
Summary of the invention
In order to solve the above-mentioned problems in the prior art, the present invention provides a kind of metal plates of single mode multi-step forming
Processing method, this method be suitable for band/without step, the Sheet Metal Processing of mono-/bis-curvature.
According to the present invention, a kind of panel beating method of single mode multi-step forming is provided, is used to process in aviation part
Skin part with step structure, wherein use upper mold group and two lower set of molds, upper mold group is located above lower set of molds
And be located between two lower set of molds, the upper mold group includes multiple upper mold blocks, and the lower set of molds includes multiple lower dies
Have block, the panel beating method comprising steps of
A. plate is placed into two lower set of molds；
B. the relative position for adjusting multiple upper mold blocks of upper mold group, until multiple upper mold blocks of upper mold group are distinguished
Contact plate；
C. upper mold group downlink, so that the sheet metal bending between two lower set of molds deforms；
D. by the mobile feeding distance of plate, step b and c are repeated, until plate meets most along the bending deformation of direction of feed
End form shape；And
E. plate is taken out, forming terminates.
According to a preferred embodiment of the present invention, step c further include: adjust the phase of multiple lower mold blocks of lower set of molds
To position, so that plate is along in the horizontal plane perpendicular to the spanwise direction bending deformation of direction of feed.
According to a preferred embodiment of the present invention, between step d and e further include:
D1. adjust the relative position of multiple lower mold blocks of lower set of molds so that plate along in the horizontal plane perpendicular into
To the spanwise direction bending deformation in direction；
D2: mobile feeding distance repeats step d1, until plate meets final shape along the bending deformation of spanwise direction.
Preferably, when the contact portion of the upper mold block of upper mold group and plate is in the boss and recessed of step structure formation
When the joint of slot, groove is locally leveled up using padding, or the position of adjustment upper mold block keeps it convex with step structure
Platform or groove contact.
Preferably, it is contacted between the upper mold group and/or the lower set of molds and plate for line.
Compared with prior art, the invention has the following advantages that
1, using the processable band of the method for the invention/without step structure, the part of mono-/bis-curvature.
2, tooling of the invention is simple and convenient to operate, is at low cost.
3, in the present invention, plate is contacted with mold for line, is not easy to form the surface quality problems such as impression, pit；For band
The part of step is compensated by relative position between set of molds and fill and lead up processing without additional materials, and as needed and
When adjust drafts, to obtain the part of higher precision.
Detailed description of the invention
Other feature and advantage of the invention will be more preferable by the preferred embodiment being described in detail below in conjunction with attached drawing
Ground understands, in which:
Fig. 1 is the schematic diagram using panel beating method according to the present invention processing plate.
Fig. 2 is the side view using panel beating method according to the present invention processing plate.
Fig. 3 is the schematic diagram of the plate after processing.
Specific embodiment
In the following detailed description of the preferred embodiment, reference is constituted to the appended attached drawing of present invention a part.Institute
Attached attached drawing, which has been illustrated by way of example, can be realized specific embodiment.Exemplary embodiment is not intended to
Exhaustive all embodiments according to the present invention.It is appreciated that without departing from the scope of the present invention, can use other
Embodiment can also carry out the modification of structure or logic.
As shown in figs. 1-3, the inventive system comprises upper mold groups 1 and lower set of molds 3 for implementation.Wherein, upper mold
Group 1 is located at lower 3 top of set of molds and is located between two lower set of molds 3, and upper mold group 1 includes multiple upper mold blocks 11, lower die
Tool group 3 includes multiple lower mold blocks 31.Upper mold block 11 or lower mold block 31 can be formed by matrix, and matrix one end is semicircle
Or similar shape, matrix number, size and part, device-dependent, it is selected in principle to meet the minimum number of energy part forming.
Upper mold group 1 and lower 3 at least one party of set of molds can move, to control the relative position of the two.The upper and lower surface of plate 2 is distinguished
It is matched with upper mold group 1, lower set of molds 3, wherein can shaped if a certain panel-shaped base body is just located at step and is on abutted surface
Shi Liyong material is locally leveled up or is directly formed.
Each preferred embodiment of panel beating method according to the present invention is described in detail below.
Embodiment 1:
Single part forming of the step in inner surface:
As shown in fig. 1, the metal plate forming device of Varying-thickness plate includes upper mold group 1, plate 2, lower set of molds 3, benefit
Part is formed with described device method the following steps are included:
1. placing plate 2, plate 2 is horizontally arranged in the upper surface of lower mold 3 first.
2. the relative position of multiple upper mold blocks 11 of upper mold group 1 is adjusted, until multiple upper mold blocks of upper mold group 1
11 contact plate 2 respectively, can also increase drafts at this time, so that multiple upper mold blocks 11 of upper mold group 1 connect with plate 2
Contact portion point is consistent with the difference of drafts.
3. 1 downlink of upper mold group, stopping when reaching predetermined position, the plate 2 within lower set of molds 3 occurs bending and deformation.
4. plate 2 along direction of feed moving distance X, readjusts the phase of multiple upper mold blocks 11 of upper mold group 1 at this time
To position, and step 2 and step 3 are repeated, until plate 2 meets final shape along the bending deformation of direction of feed.
5. taking out plate 2, forming terminates.
Embodiment 2:
Hyperbolic part forming of the step in inner surface:
1. placing plate 2, plate 2 is horizontally arranged in the upper surface of lower mold 3 first.
2. the relative position of multiple upper mold blocks 11 of upper mold group 1 is adjusted, until multiple upper mold blocks of upper mold group 1
11 contact plate 2 respectively, can also increase drafts at this time, so that multiple upper mold blocks 11 of upper mold group 1 connect with plate 2
Contact portion point is consistent with the difference of drafts.
3. 1 downlink of upper mold group, stopping when reaching predetermined position, the plate within lower set of molds 3 occurs bending and deformation.
4. adjust the relative position of multiple lower mold blocks 31 of lower set of molds 3 so that plate 2 along in the horizontal plane perpendicular to
The spanwise direction bending deformation of direction of feed.
5. plate 2 along direction of feed moving distance X, readjusts the phase of multiple upper mold blocks 11 of upper mold group 1 at this time
To position, and step 2 and step 3 are repeated, until all material deforms；
6. taking out plate 2, forming terminates.
Embodiment 3:
Hyperbolic part forming of the step in inner surface:
1. placing plate 2, plate 2 is horizontally arranged in the upper surface of lower mold 3 first.
2. hyperbolic part is decomposed into rotation direction (direction of feed), is opened up to (in the horizontal plane perpendicular to direction of feed) two songs
Rate；
3. upper mold group 1,3 relative position of lower set of molds are adjusted first, so that the part rotation direction curvature being in contact with plate 2
Unanimously.
4. 1 downlink of upper mold group, stopping when reaching predetermined position, the plate 2 within lower set of molds 3 occurs bending and deformation.
5. plate 2 along direction of feed moving distance X, readjusts 1 relative position of upper mold group at this time, and repeats step 3
With step 4, until all material rotation direction deformation reach pre-provisioning request until.
6. then adjustment upper mold group 1,3 relative position of lower set of molds, so that the part spanwise curvature being in contact with plate 2
Unanimously.
7. plate 2 repeats step 6 along direction of feed moving distance X.
8. taking out plate 2, forming terminates.
Wherein, when the contact portion of the upper mold block 11 of upper mold group 1 and plate 2 is in the boss 12 of step structure formation
When with the joint of groove 13,13 part of groove is leveled up using padding, or the position of adjustment upper mold block 11 makes itself and platform
The boss 12 or groove 13 of stage structure contact.
In the present invention, plate is contacted with mold for line, is not easy to form the surface quality problems such as impression, pit；For band platform
The part of rank is compensated by relative position between set of molds and carries out filling and leading up processing without additional materials, and as needed in time
Drafts is adjusted, to obtain the part of higher precision.
The technology contents and technical characterstic of specific embodiments of the present invention are had revealed that above, it being understood, however, that in this hair
Under bright creative ideas, those skilled in the art can be to various features disclosed above and the feature not being explicitly illustrated herein
Combination make various changes and improve, but belong to protection scope of the present invention.The description of above-described embodiment be exemplary and
It is not limiting, protection scope of the present invention is determined by claim.
Claims (5)
1. a kind of panel beating method of single mode multi-step forming, is used to process the covering zero in aviation part with step structure
Part, which is characterized in that use upper mold group (1) and two lower set of molds (3), upper mold group (1) is located above lower set of molds (3)
And be located between two lower set of molds (3), the upper mold group (1) includes multiple upper mold blocks (11), the lower set of molds (3)
Including multiple lower mold blocks (31), the panel beating method comprising steps of
A. plate (2) is placed on two lower set of molds (3)；
B. the relative position for adjusting multiple upper mold blocks (11) of upper mold group (1), until multiple upper molds of upper mold group (1)
Block (11) contacts plate (2) respectively；
C. upper mold group (1) downlink, so that plate (2) bending deformation between two lower set of molds (3)；
D. plate (2) are mobile feeding distance (X), step b and c are repeated, until plate (2) are full along the bending deformation of direction of feed
Sufficient final shape；And
E. plate (2) are taken out, forming terminates.
2. the panel beating method of single mode multi-step forming according to claim 1, which is characterized in that step c further include:
The relative position of multiple lower mold blocks (31) of lower set of molds (3) is adjusted, so that plate (2) is along in the horizontal plane perpendicular to feeding
The spanwise direction bending deformation in direction.
3. the panel beating method of single mode multi-step forming according to claim 1, which is characterized in that step d and e it
Between further include:
D1. the relative position of multiple lower mold blocks (31) of lower set of molds (3) is adjusted, so that plate (2) edge is hung down in the horizontal plane
Directly in the spanwise direction bending deformation of direction of feed；
D2: mobile feeding distance (X) repeats step d1, until plate (2) meet most end form along the bending deformation of spanwise direction
Shape.
4. according to claim 1 to the panel beating method of single mode multi-step forming described in any one of 3, which is characterized in that
When the upper mold block (11) of upper mold group (1) and the contact portion of plate (2) are in the boss (12) of step structure formation and recessed
When the joint of slot (13), using padding by groove (13) locally level up, or adjustment upper mold block (11) position make its with
The boss (12) or groove (13) of step structure contact.
5. according to claim 1 to the panel beating method of single mode multi-step forming described in any one of 3, which is characterized in that
It is contacted between the upper mold group (1) and/or the lower set of molds (3) and plate (2) for line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710899701.7A CN109570352B (en) | 2017-09-28 | 2017-09-28 | Single-mode multi-pass forming sheet metal machining method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710899701.7A CN109570352B (en) | 2017-09-28 | 2017-09-28 | Single-mode multi-pass forming sheet metal machining method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109570352A true CN109570352A (en) | 2019-04-05 |
| CN109570352B CN109570352B (en) | 2020-10-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710899701.7A Active CN109570352B (en) | 2017-09-28 | 2017-09-28 | Single-mode multi-pass forming sheet metal machining method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114535385A (en) * | 2022-03-01 | 2022-05-27 | 燕山大学 | Punch forming equipment and process for thin-wall inner web rib plate |
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| CN114535385A (en) * | 2022-03-01 | 2022-05-27 | 燕山大学 | Punch forming equipment and process for thin-wall inner web rib plate |
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| CN109570352B (en) | 2020-10-16 |
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