CN109277468A - A kind of laminated plate synchronized links and progressive Composite forming tool and method - Google Patents
A kind of laminated plate synchronized links and progressive Composite forming tool and method Download PDFInfo
- Publication number
- CN109277468A CN109277468A CN201810953541.4A CN201810953541A CN109277468A CN 109277468 A CN109277468 A CN 109277468A CN 201810953541 A CN201810953541 A CN 201810953541A CN 109277468 A CN109277468 A CN 109277468A
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- China
- Prior art keywords
- tool
- plate
- tool heads
- progressive
- heads
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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
- B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
- B21D39/02—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of sheet metal by folding, e.g. connecting edges of a sheet to form a cylinder
- B21D39/026—Reinforcing the connection by locally deforming
-
- 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
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/16—Heating or cooling
Abstract
The present invention relates to a kind of laminated plate synchronized links and progressive Composite forming tool and method, wherein tool includes the clamping tool for two layers of heterogeneous plate for needing to shape for clamping, two tool groups for contacting respectively with heterogeneous plate, each tool group includes sequentially connected drive control unit, spindle motor and tool heads, tool cephalic par is equipped with groove, the burnishing surface for binder and the rounded structure for progressive molding for increasing coefficient of friction, groove and burnishing surface are located at the end face of tool heads, and rounded structure is located at the edge of tool cephalic par；Tool heads are contacted and are rotated with plate, and the connection and forming of two pieces of plate material are completed by frictionally heating mode.Compared with prior art, the present invention has many advantages, such as.
Description
Technical field
The present invention relates to field of machining, more particularly, to a kind of laminated plate synchronized links and progressive Composite forming tool
And method.
Background technique
The physical property that metal composite plate can overcome pure metals single gives full play to and rationally utilizes various metals
Specific physical, mechanical property, there is ideal electricity, thermal characteristics, low-density, excellent bending stiffness collapses patience and vibration
Dynamic damping characteristic, comprehensive performance are more superior than single metal, have in aerospace, automobile, ship and household appliance technical field
Important application.Laminated metal sheet can traditionally be obtained by a variety of methods, including explosive welding process, rolling, explosion plus rolling
Deng.However, since there are many compound influence factor of pack rolling, the also larger thus different material of the performance difference of composite material,
Recombination mechanism is not identical.
Recent domestic is more deep to the research of composite plate material progressive molding, to the workpiece system under different military service operating conditions
Standby technology has to be promoted very much, has promoted the application of this no mould flexible manufacturing technique industrially.
It is closed at room temperature using spin friction progressive molding magnesium in this regard, Korean Patent KR20110041860 (A) discloses one kind
Method and apparatus (the ROTATIONAL INCREMENTAL FORMING METHOD FOR MAGNESIUM ALLOY of golden plate
SHEETS IN A ROOM TEMPERATURE), Chinese patent CN104607523B also discloses that a kind of plate stirring is compound gradually
Into device and method, the tool heads cooperation reverse ejection device with mixing needle that can be rotated and be translatable using one realizes heterogeneous plate
Connection and progressive combined shaping.
Above-mentioned apparatus and method are mainly for the progressive molding of the friction auxiliary heating of lamina or with band mixing needle
Tool heads destruction connection carried out to plate, when mixing needle pumpback, can cause hole and joint in workpiece surface because stirring is made
With being easy to appear interface deformation, it is lack of penetration the defects of.On the other hand, the tool heads manufacture difficulty with mixing needle and cost all compare
Higher, the proportion of goods damageds are high.
Summary of the invention
Connect it is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide a kind of laminated plate is synchronous
It connects and progressive Composite forming tool and method.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of laminated plate synchronized links and progressive Composite forming tool, two layers including needing to shape for clamping heterogeneous
The clamping tool of plate, two tool groups for contacting respectively with heterogeneous plate, each tool group includes sequentially connected
Drive control unit, spindle motor and tool heads, the tool cephalic par are equipped with for increasing the groove of coefficient of friction, for pressing
The burnishing surface of material and rounded structure for progressive molding, the groove and burnishing surface are located at the end face of tool heads, the fillet
Structure is located at the edge of tool heads end；The tool heads are contacted with pressure and are rotated with plate, are added by pressure friction
Hot mode completes the connection and forming of two pieces of heterogeneous plates.
The depth of the groove is the 0-50% or so of the sum of two pieces of plate material original thickness.
The center of the end face at the center and tool heads of the groove is overlapped, and the shape of groove is in rotation pair about its center
Claim.
The contact area of the burnishing surface and plate is the 75%~80% of tool heads end cross-sectional area.
The radius of corner of the rounded structure is at least 3 times of the sum of two pieces of plate material original thickness.
The material of the tool heads is Talide.
A kind of method of Composite forming tool, comprising:
Step S1: it is loaded into the machining locus of progressive molding；
S2: two tool heads of step carry out high speed rotary grinding heating connection to two pieces of plate material respectively to complete two pieces of plate material
Connection, while asymptotic forming is carried out based on preset machining locus.
Select a tool heads as master for each section in machining locus in asymptotic forming process in the step S2
Tool heads, another tool heads pushes up tool heads as back pressure is counter, and carries out asymptotic forming according to machining locus.
Compared with prior art, the invention has the following advantages:
1) coefficient of friction is improved in such a way that groove is set in tool heads, to heat in the way of frictional heat generation
Plate finally realizes the connection and forming of two pieces of heterogeneous plates, overcomes different metal materials forming capacity poor, and processing is asynchronous,
The problems such as inefficient.
2) it can according to need with appointed condition active accommodation tool heads feature and motion profile to obtain different workpiece
Shape contour, do not need to carry out laminated plate and connect in advance and additional manufacture mold, in combination with friction welding (FW) interconnection technique with
The advantages of progressive molding.
3) there is no mixing needle, do not destroy the internal structure of plate, do not leave needle pore defect after workpiece connection, guarantee material
Integrity degree, finished parts quality is more preferable, while also reducing the production cost of tool heads.
4) depth of groove is the 0-50% or so of the sum of two pieces of plate material thickness, can control workpiece material by thermal effect
Rate promotes material flowing, while guaranteeing the surface quality of workpiece, so that surface roughness is maintained at reasonable level.This depth model
It encloses and is also convenient for machine tooling.
5) contact area of the burnishing surface of tool cephalic par and plate is the 75%~80% of tool heads end cross-sectional area,
Guarantee the compaction degree of contact surface.
6) radius of corner of rounded structure is at least 3 times of the sum of two pieces of plate material thickness, can reduce tool heads movement resistance
Power.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of apparatus of the present invention；
Fig. 2 (a)~(d) is the structural schematic diagram of inventive article cephalic par groove design；
Fig. 3 is that inventive article is equipped to plate progress frictional connection and Asymptotic Synchronization forming process and part model signal
Figure；
Fig. 4 is the structural schematic diagram of drip molding in embodiment；
Wherein: 1, tool heads, 2, tool heads, 3, spindle motor, 4, spindle motor, 5, drive control unit, 6, driving control
Unit processed, 7, clamping tool, 8, plate, 9, plate.
Specific embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.The present embodiment is with technical solution of the present invention
Premised on implemented, the detailed implementation method and specific operation process are given, but protection scope of the present invention is not limited to
Following embodiments.
A kind of laminated plate synchronized links and progressive Composite forming tool, as shown in figures 1 and 3, including for clamping needs
The clamping tool 7 of two layers of heterogeneous plate 8,9 of forming, two tool groups for being contacted respectively with heterogeneous plate 8,9, often
A tool group includes sequentially connected drive control unit, spindle motor and tool heads, as shown in Fig. 2 (a)~(d), tool heads
End is equipped with for increasing the groove 11 of coefficient of friction, for the burnishing surface 12 of binder and for the rounded structure of progressive molding
13, groove 11 and burnishing surface 12 are located at the end face of tool heads, and rounded structure 13 is located at the edge of tool cephalic par；Tool heads with
Plate 8,9, which contacts, simultaneously to be rotated, and by frictionally heating mode and transfer heat to the interface of two pieces of plate material 8,9, is generated between metal
Compound completes connection, completes the connection and forming of two pieces of plate material 8,9.
As shown in Figure 1, the tool group on the left side includes integrated tool head 1, spindle motor 3 and drive control unit 5, the right
Tool group include integrated tool head 2, spindle motor 4 and drive control unit 6, wherein drive control unit 6 can use air pressure
Device realizes that Bit andits control is realized in power control or motor device.
Tool heads 1,2 in relative to being horizontally disposed with, are in constant gap in the axial direction in process.It is to be formed
Heterogeneous plate 8,9 by the smooth clamping of clamping tool 7 between tool heads 1,2.Drive control unit 5,6 passes through main shaft electricity
Machine 3,4 is connected with tool heads 1,2, and drive control unit drive tool heads are translatable in X, Y, Z-space coordinate system and rotary motion,
The case where wherein direction of rotation of two tool heads both can be in the same direction or reversed, and what Fig. 1 was provided is rotating Vortex example.
Coefficient of friction is improved in such a way that groove 11 is set in tool heads, thus in the way of pressure frictional heat generation
Plate is heated, finally realizes the connection and forming of two pieces of heterogeneous plates, the synchronized links forming of heterogeneous plate is can be realized, overcomes
The problems such as different metal materials forming capacity is poor, and processing is asynchronous, inefficient.And it can according to need and appointed condition master
The shape contour for moving adjustment tool heads feature and workpiece does not need progress laminated plate and connects in advance and additionally manufacture mold, in conjunction with
The advantages of friction welding (FW) and progressive molding.
Both ends tool heads respectively have 4 freedom degrees, include 3 translational degree of freedom and 1 rotary freedom.In combined shaping
The existing spin friction effect of tool heads, while also mutually playing anti-pressure end.
The depth of groove 11 is the 0-50% or so of the sum of two pieces of plate material 8,9 original thicknesses.
The center of the end face at the center and tool heads of groove 11 is overlapped, and the shape of groove 11 is in rotation pair about its center
Claim, the rotation angle of specific rotational symmetry and the design of groove are related, for the structure of groove 11 as shown in Figure 2, angle 60
Degree.
In order to guarantee the compaction degree of contact surface, the contact area of burnishing surface 12 and plate 8,9 is tool heads end cross-sectional face
Long-pending 75%~80%, while in order to reduce the tool heads resistance of motion, the radius of corner of rounded structure 13 is at least two pieces of plate material
8,3 times of the sum of 9 thickness.
In addition, the material of selected tool heads 1,2 is Talide.
In this regard, application method includes:
Step S1: the machining locus for generating progressive molding, the driving control in gatherer are designed according to model silhouette shape
Unit 5,6 processed, wherein drip molding is as shown in Figure 4；Before original plate clamping, panel surface is cleaned, oxide film dissolving is removed
With other spots；To guarantee that two plates fit closely when clamping, prevent air between contact surface from entering, and destroy connection effect；
S2: two tool heads of step carry out high speed rotary grinding heating to two pieces of plate material 8,9 respectively to connect, and are based on simultaneously
Machining locus carries out asymptotic forming, wherein for each section in machining locus in asymptotic forming process, selects a tool heads
As mother-tool head, another tool heads pushes up tool heads as back pressure is counter, and carries out asymptotic forming according to machining locus.
Claims (8)
1. a kind of laminated plate synchronized links and progressive Composite forming tool, including two layers of heterogeneous plate for needing to shape for clamping
The clamping tool (7) of material (8,9), two tool groups for being contacted respectively with heterogeneous plate (8,9), which is characterized in that every
A tool group includes sequentially connected drive control unit, spindle motor and tool heads, and the tool cephalic par is equipped with for increasing
Groove (11), the burnishing surface (12) for binder and the rounded structure (13) for progressive molding of big coefficient of friction, it is described recessed
Slot (11) and burnishing surface (12) are located at the end face of tool heads, and the rounded structure (13) is located at the edge of tool cephalic par；Institute
It states tool heads and contacts and rotate with plate (8,9), the connection of two pieces of plate material (8,9) is completed by pressure spin friction heating method
And forming, and the effect of the rounded structure (13) transmission force is plastically deformed plate (8,9), and bottom groove (11) position is used
In compression plate (8,9) and auxiliary material flowing when rotated.
2. a kind of laminated plate synchronized links according to claim 1 and progressive Composite forming tool, which is characterized in that described
The depth of groove (11) is the 0-50% or so of the sum of two pieces of plate material (8,9) original thickness.
3. a kind of laminated plate synchronized links according to claim 1 and progressive Composite forming tool, which is characterized in that described
The center of groove (11) is overlapped with the center of the end face of tool heads, and the shape of groove (11) is in rotational symmetry about its center.
4. a kind of laminated plate synchronized links according to claim 1 and progressive Composite forming tool, which is characterized in that described
The contact area of burnishing surface (12) and plate (8,9) is the 75%~80% of tool heads end cross-sectional area.
5. a kind of laminated plate synchronized links according to claim 1 and progressive Composite forming tool, which is characterized in that described
The radius of corner of rounded structure (13) is at least 3 times of the sum of two pieces of plate material (8,9) original thickness.
6. a kind of laminated plate synchronized links according to claim 1 and progressive Composite forming tool, which is characterized in that described
The material of tool heads is Talide.
7. a kind of method of the Composite forming tool as described in any in claim 1~6 characterized by comprising
Step S1: it is loaded into the machining locus of progressive molding；
S2: two tool heads of step respectively to two pieces of plate material (8,9) carry out high speed rotary grinding heating with complete two pieces of plate material (8,
9) connection, while asymptotic forming is carried out based on preset machining locus.
8. the method according to the description of claim 7 is characterized in that for processing rail in asymptotic forming process in the step S2
Each section in mark, select a tool heads as mother-tool head, another tool heads pushes up tool heads as back pressure is counter, and according to
Machining locus carries out asymptotic forming.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810953541.4A CN109277468B (en) | 2018-08-21 | 2018-08-21 | A kind of laminated plate synchronized links and progressive Composite forming tool and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810953541.4A CN109277468B (en) | 2018-08-21 | 2018-08-21 | A kind of laminated plate synchronized links and progressive Composite forming tool and method |
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| Publication Number | Publication Date |
|---|---|
| CN109277468A true CN109277468A (en) | 2019-01-29 |
| CN109277468B CN109277468B (en) | 2019-09-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810953541.4A Active CN109277468B (en) | 2018-08-21 | 2018-08-21 | A kind of laminated plate synchronized links and progressive Composite forming tool and method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110116265A (en) * | 2019-04-25 | 2019-08-13 | 上海交通大学 | Heterogeneous laminated plate single-point numerical control connection and progressive combined shaping system and its application |
| CN110369853A (en) * | 2019-07-26 | 2019-10-25 | 上海交通大学 | A kind of laminated plate two point synchronized links and progressive compound molding device and method |
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| CN105013939A (en) * | 2015-06-17 | 2015-11-04 | 武汉理工大学 | Stirring friction forming device and technology based on self heating |
| CN105107933A (en) * | 2015-07-13 | 2015-12-02 | 山东大学（威海） | Electroplastic incremental forming device for plate and working method thereof |
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| JPH11300424A (en) * | 1998-04-17 | 1999-11-02 | Hitachi Ltd | Successive stretching forming method of metal plate, its device and formed parts |
| CN102335687A (en) * | 2010-07-15 | 2012-02-01 | 福特全球技术公司 | Method of incremental forming with successive wrap surfaces |
| CN102172698A (en) * | 2011-02-21 | 2011-09-07 | 上海交通大学 | Composite gradual plate forming device and method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110116265A (en) * | 2019-04-25 | 2019-08-13 | 上海交通大学 | Heterogeneous laminated plate single-point numerical control connection and progressive combined shaping system and its application |
| CN110369853A (en) * | 2019-07-26 | 2019-10-25 | 上海交通大学 | A kind of laminated plate two point synchronized links and progressive compound molding device and method |
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| Publication number | Publication date |
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| CN109277468B (en) | 2019-09-27 |
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Address after: 200030 Dongchuan Road, Minhang District, Minhang District, Shanghai Co-patentee after: Shanghai Mould Technology Research Institute Co., Ltd. Patentee after: Shanghai Jiaotong University Address before: 200030 Huashan Road, Shanghai, No. 1954, No. Co-patentee before: Shanghai Mould Technology Research Institute Co., Ltd. Patentee before: Shanghai Jiaotong University |