AU2021363109B2 - A processing platform for multi-angle double-sided incremental sheet forming with displacement compensation function - Google Patents
A processing platform for multi-angle double-sided incremental sheet forming with displacement compensation function Download PDFInfo
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- AU2021363109B2 AU2021363109B2 AU2021363109A AU2021363109A AU2021363109B2 AU 2021363109 B2 AU2021363109 B2 AU 2021363109B2 AU 2021363109 A AU2021363109 A AU 2021363109A AU 2021363109 A AU2021363109 A AU 2021363109A AU 2021363109 B2 AU2021363109 B2 AU 2021363109B2
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- rocker
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- sleeve
- processing platform
- telescopic rod
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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
- B21D11/00—Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
- B21D11/20—Bending sheet metal, not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C51/00—Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B - B21F
-
- 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
- B21D37/04—Movable or exchangeable mountings for tools
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Abstract
The present invention discloses a processing platform for multi-angle double-sided
incremental sheet forming with displacement compensation function, which comprises: two groups
of motion systems of forming tool with multi-angle motion distributed on both groups of the sheet;
two groups of position adjustment systems are respectively connected with two groups of the
motion systems of forming tool. Each group is composed of three pairs of sliders and slide rails to
drive the platform with the forming tools to move along three directions of the space; through
deflection control mechanisms, a small angle deflection of the forming tool in the Y and Z
directions is realized, which further improves the complexity of the machinable sheet and the
quality of the formed sheet.
Description
The present invention belongs to the field of metal sheet processing, and specifically relates to
a processing platform for multi-angle double-sided incremental sheet forming with displacement
compensation function.
In recent years, with the continuous improvement of processing technology and the rapid
development of social productivity, metal sheet forming parts in aerospace, marine and other
high-tech fields have been more widely used. Especially in the manufacturing of aircraft, spacecraft,
high-end weapons and equipment, aircraft carriers, cruise ships and prototypes, there has put
forward higher requirements for the quality of complex-shaped thin-walled sheet products with high
performance, lightweight and batch changeable, so that the existing forming technology has been
challenged. Three-dimensional incremental forming technology can realize small-lot, personalized
customization and complete the forming of sheets without custom molds, which helps reduce the
production cost of small-lot products.
The inventors found that the process of metal sheet processing will encounter the processing
needs of the target part with a large forming angle, in which case the metal sheet in the area to be
processed will interfere with the motion of the forming tool, resulting in the tool not being able to
reach the predetermined position and thus failing to complete the processing task. In modern
production practice, parts in such cases cannot be formed in a single operation and must be
machined twice, which seriously affects machining efficiency and production economy. Although
Dongkai XU, Bin LU and Jun CHEN of Shanghai Jiao Tong University have proposed a method of
rotating sheets to improve the forming accuracy and reliability of forming complex sheets in their
patent of CN103639249A, which is relatively difficult to achieve the rotation of sheets; however,
the present invention achieves the purpose above by controlling the deflection of the forming tool with a simple device and increasing the deflection angle of the forming tool with respect to the sheets.
In order to overcome the shortcomings of the prior art, the present invention provides a
processing platform for multi-angle double-sided incremental sheet forming with displacement
compensation function, which can improve the forming accuracy and forming efficiency of
complex-shaped sheet, and the invention has significant advantages in the incremental forming of
complex-shaped sheet.
In order to solve the technical problems existing in the prior art, the present invention uses the
following technical solution.
The present invention discloses a processing platform for multi-angle two-point incremental
forming with displacement compensation function, comprising a support, two sets of position
adjustment devices arranged on the support for respectively driving a forming tool with multi-angle
motion to move in three directions of X, Y and Z; the two forming tools with multi-angle motion
are identical, each of them comprising a first deflection control mechanism, a second deflection
control mechanism, a first rocker, a second rocker, a ball hinge support, a telescopic rod, a
connecting rod and a forming tool;
Lower ends of the first rocker and the second rocker are respectively connected to two ends of
the ball hinge support by means of connectors, upper ends of the first rocker and the second rocker
are connected to two ends of the connecting rod by rotation, a through-hole is provided in middle of
the connecting rod, a tail end of the telescopic rod is provided with a spherical projection, the
spherical projection fits into the through-hole with clearance; a through-hole metal ball is fixed in
middle of the telescopic rod, the through-hole metal ball fits tangentially with the through-hole in
middle of the ball hinge support, and a head of the telescopic rod is connected to the forming tool;
a first deflection control mechanism controls the first rocker and the second rocker to drive the
telescopic rod and the forming tool to rotate in an XZ plane; a second deflection control mechanism
controls the first rocker and the second rocker to drive the telescopic rod and the forming tool to
rotate in a YZ plane.
As a further technical solution, the ball hinge support includes a body with a through hole in
middle of the body, a first solid shaft at one end of the body and a second solid shaft at the other end of the body.
As a further technical solution, the first deflection control mechanism includes a first servo
motor, an active bevel gear, a passive bevel gear, and a first shaped shaft sleeve; the first servo
motor fixed on a side of the lower end of the first rocker is connected to the active bevel gear, and
the active bevel gear engages with the passive bevel gear; the first shaped shaft sleeve includes a
shaft and a sleeve which are axis perpendicular and connected together, the shaft is sleeved at a
bottom of the first rocker, and the shaft is connected to the passive bevel gear; the sleeve is sleeved
on the first solid shaft of the ball hinge support, and the sleeve is rotatable with respect to the first
solid shaft.
As a further technical solution, the sleeve is connected to the solid shaft by a connection key
provided inside of the sleeve.
As a further technical solution, the second deflection control mechanism includes a second
servo motor, an active gear, a passive gear, and a second shaped shaft sleeve; the second servo
motor fixed on the ball hinge support is connected to the active gear, and the active gear engages
with the passive gear; the second shaped shaft sleeve includes a shaft and a sleeve which are axis
perpendicular and connected together, the passive gear is fixed to the sleeve, and the shaft is sleeved
at a bottom of the second rocker; the sleeve is sleeved on the second solid shaft, and the sleeve is
rotatable with respect to the second solid shaft.
As a further technical solution, structures of the first rocker and second rocker are same,
including a body with a shaft sleeve at one end of the body and a solid shaft at the other end, and
the shaft sleeve is provided with a through hole on the side.
As a further technical solution, the through-hole metal ball fits eccentrically with the
through-hole of the ball hinge support.
As a further technical solution, the telescopic rod is a hydraulic telescopic rod.
As a further technical solution, the telescopic rod is provided with a displacement sensor.
As a further technical solution, the two sets of the position adjustment devices are provided
symmetrically with respect to a center of the support; a clamping part is installed between the two
sets of the position adjustment devices, for clamping a sheet to be processed, and the two forming
tools with multi-angle motion are located on both sides of the sheet.
Compared with the prior art, the present invention has the following advantages and innovations:
1. The forming tool with multi-angle motion can not only have translational motion, but also
have rotary motion; when encountering the forming demand with larger angle, the deflection
control mechanism can realize the small angle deflection of the forming tool in the y, z directions,
s so as to avoid the sheet that causes interference to its motion, and then complete the processing task
at one time, further improve the complexity of the machinable sheet and enhance the quality of the
formed sheet; the forming tool can realize a certain angle deflection, which increases the range of
motion of the tool and the flexibility of the motion, and can meet the forming requirement of the
complex shaped parts, also can enhance the quality of the formed sheet simultaneously.
2. The present invention forms a closed-loop control system through the hydraulic telescopic
rod and the displacement sensor to achieve a real-time compensation of the displacement change
between the forming tool after deflection and the sheet, which further improves the sheet forming
accuracy.
3. The connection of the forming tools with multi-angle motion with two sliding rails evenly
distributes the force on the forming tool to the position adjustment device, increasing the range of
force applied by the forming tools and further improving the processing accuracy and complexity of
the machinable sheet. Moreover, the forming tools can be driven to any position in the space
through multiple sets of devices of slide rails and sliders, so as to realize precise positioning of the
forming tool.
4. The present invention setting one forming tool with multi-angle motion on both sides of the
sheet respectively, has the advantages of simple structure, easy installation, fast processing speed,
and improved sheet forming efficiency.
The accompanying drawings constituting a part of the present invention are used to provide a
further understanding of the present invention. The exemplary examples of the present invention
and descriptions thereof are used to explain the present invention, and do not constitute an improper
limitation of the present invention.
FIG. 1 is a schematic diagram of a processing platform for multi-angle double-sided
incremental sheet forming with displacement compensation function;
FIG. 2 is an overall schematic diagram of a motion system of a forming tool with multi-angle motion;
FIG. 3 is a schematic diagram of a deflection control mechanism on a right-hand side shown in
FIG. 2;
FIG. 4 is a schematic diagram of a deflection control mechanism on a left-hand side shown in
FIG. 3;
FIGs. 5 and 6 are schematic diagrams of a position adjustment mechanism;
FIGs. 7 and 8 are schematic diagrams of a ball hinged support with a telescopic rod;
FIG. 9 is a schematic diagram of a first shaped shaft sleeve;
FIG. 10 is a schematic diagram of a second shaped shaft sleeve; and
FIG. 11 is a schematic diagram of a first rocker.
In the figures: 1, third slide; 2, support arm; 3, baffle plate; 4, bolt; 5, gear guard; 6, first servo
motor; 7, first slider; 8, clamping part; 9, first lead screw; 10, connecting rod; 11, hydraulic
telescopic rod; 12, base; 13, displacement sensor; 14, lower oil port; 15, ball hinge support; 16,
fourth servo motor; 17, upper oil port; 18, spherical through-hole; 19, passive bevel gear; 20, fifth
servo motor; 22, first shaped shaft sleeve, 22-1, shaft sleeve, 22-2, shaft; 23, first rocker, 23-1,
rocker body, 23-2, shaft sleeve, 23-3, solid shaft, 23-4, through-hole; 24, through-hole metal ball;
25, second slider; 26, second servo motor; 27, third servo motor; 28, third slider; 29, second slide
rail; 30, spur gear, 31, second rocker, 32, active gear, 33, passive gear; 34, active bevel gear; 35,
second shaped shaft sleeve, 35-1, shaft sleeve, 35-2, shaft.
It should be pointed out that the following detailed descriptions are all illustrative and are
intended to provide further descriptions of the present invention. Unless otherwise specified, all
technical and scientific terms used in the present invention have the same meanings as those usually
understood by a person of ordinary skill in the art to which the present invention belongs.
It should be noted that the terms used herein are merely used for describing specific
implementations, and are not intended to limit exemplary implementations of the present disclosure.
As used herein, the singular form is also intended to include the plural form unless the context
clearly dictates otherwise. In addition, it should further be understood that, terms "comprise" and/or
"include" used in this specification indicate that there are features, steps, operations, devices,
components, and/or combinations thereof.
For the purpose of description, if the words "upper", "lower", "left", "right" appear in this
application, they only means that they are consistent with the up, down, left and right directions of
the drawings themselves, and does not limit the structure, but is only for the purpose of describing
the invention and simplifying the description, and does not indicate or imply that the equipment or
components referred to must have a specific orientation, be constructed and operated in a specific
orientation, and therefore cannot be construed as a limitation of this application. In addition, the
terms "first", "second", "third", "fourth" are used for descriptive purposes only and cannot be
construed as indicating or implying relative importance.
Explanation of terms: the terms "install", "connect with", "connect to", "fix" and other terms in
the present application shall be understood in a broad sense. For example, it can be a fixed
connection, a detachable connection, or an integrated one; it can be a mechanical connection or an
electrical connection, a direct connection or an indirect connection through an intermediate medium,
an internal connection of two components, or an interactive relationship between two components.
For those skilled in the art, the specific meaning of the above terms in the invention can be
understood according to the specific situation.
Example 1
The present invention is described in detail below in conjunction with the accompanying FIGs.
1-11, specifically, the structure is as follows: the present invention provides a processing platform
for multi-angle machining with displacement compensation function based on two point
incremental forming machining technology, including an equipment housing, two sets of control
systems of position adjustment and two sets of motion systems of forming tool with multi angle
motion; It should be noted that in the following description, the directions of x, y and x axes are
illustrated by taking the directions shown in figure 1 as an example; a small through-hole metal ball
and a large through-hole metal ball described below all refer to the metal ball with a through-hole in
the center.
The main components of the control system of position adjustment described in the present
embodiment are two groups of drive structures, each the group of drive structures includes three
pairs of devices of sliders and slide rails, which drive the platform with the forming tool to move in
three directions along the space. Specifically, the control system of position adjustment comprises a
base 12, a baffle plate 3 is provided on each of left and right sides of the base 12, and two sets of processing devices are installed between the two baffle plates 3, corresponding to FIG. 1, respectively, one set of the processing devices set on the left and the other set on the right, with the two sets of the devices on the left and right being identical; the set on the left and the set on the right are separated by an upper and a lower clamping parts; taking one of the sets as an example, a technical solution of the present invention is described below.
A first guide shaft and a first lead screw 9 parallel to each other are arranged between the
baffle plate 3 and the upper clamping part, and a guide slide rail is arranged corresponding to the
first guide shaft and the first lead screw 9, which is installed on an upper support arm 2; another
first guide shaft and another first lead screw 9 parallel to each other are also arranged between the
baffle plate 3 and the lower clamping part, and another guide slide rail is also arranged
corresponding to the first guide shaft and the first lead screw 9, and the guide slide rail is also
installed on the corresponding lower support arm 2; a first slider 7 is arranged on each the first
guide shaft and the first lead screw 9, and the first slider is also connected with the corresponding
guide slide rail; a second lead screw and a second slide rail 29 are installed between a pair of the
opposite sliders of the first guide shaft and the first lead screw 9 on the upper part, another second
lead screw and another second slide rail are installed a pair of the opposite sliders of the first guide
shaft and the first lead screw 9 on the lower part, axes of the second lead screw and the second slide
rail are perpendicular to the first lead screw, and a corresponding second slide block is arranged on
the second lead screw and the second slide rail; a third lead screw and a third slide rail 1 are
installed between the upper and lower second slide blocks, a third slider is installed on the third lead
screw and the third slide rail 1, and the motion system of the forming tool with multi-angle motion
is connected to the third slider; the motion system of the forming tool with multi-angle motion is
controlled to move on the x, y and z axes through the lead screw, the sliders and the slide rails.
It should be noted that the two first lead screws are driven by a set of driving devices, as
shown in FIGs. 5 and 6. For the set on the left, a first servo motor 6 drives a pinion gear, which
engages a large gear, which engages two medium gears, which drive the two first lead screws to
rotate respectively. Further, the second lead screw is driven by a second servo motor 26; the third
lead screw is driven by a third servo motor 27.
Further, the main components of the motion system of the forming tool with multi-angle
motion are a deflection control mechanism, a first rocker 23, a second rocker 31, a ball hinge support 15, a through-hole metal ball 24, a hydraulic telescopic rod 11 and the forming tool, etc.
Wherein, the ball hinged support 15 includes a body with a solid shaft or the solid shaft
integrally formed with the body attached to each end of the body, and a through-hole in the center
of the body of the ball hinged support 15; the through-hole is nearly spherical in order to fit with the
through-hole metal ball 24.
The first rocker 23 and the second rocker 31 have the same structure, the present embodiment
takes the first rocker 23 as an example, as shown in FIG. 11; the first rocker 23 includes a rocker
body 23-1, with a shaft sleeve 23-2 at one end of the rocker body 23-1 and a solid shaft 23-3 at the
other end, and the shaft sleeve 23-2 is provided with a through-hole 23-4 on the side, the
through-hole 23-4 serves mainly for the purpose that when the rocker fits with the shaped shaft
sleeve, the hole fits with a connection position of the sleeve and shaft of the shaped shaft sleeve so
that the shaft of the shaped shaft sleeve is located inside the shaft sleeve of the rocker and the sleeve
of the shaped shaft sleeve is located outside the shaft sleeve of the rocker.
The deflection control mechanism includes two sets, one of which is shown in FIG. 3,
including a fifth servo motor 20, an active bevel gear 34, a passive bevel gear 19 and a first shaped
shaft sleeve 22; the fifth servo motor 20 is fixed on a side of lower end of the first rocker 23, and a
drive shaft of the fifth servo motor 20 is connected to the active bevel gear 34, which engages with
the passive bevel gear 19. The passive bevel gear 19 is connected to one end of a shaft 22-2 of the
first shaped shaft sleeve 22, the shaft 22-2 being mounted in a shaft sleeve 23-2 of the first rocker
23.
Further, the first shaped shaft sleeve 22 is shown in FIG. 9, which includes a shaft 22-2 and a
sleeve 22-1, the shaft 22-2 and the sleeve 22-1 being welded together and their axes being
perpendicular; the shaft 22-2 is sleeved in the shaft sleeve 23-2 of the lower part of the first rocker
23; the sleeve 22-1 is sleeved on the solid shaft at the left end of the ball hinge support 15 (taking
the orientation shown in FIG. 2 as an example), and the shaft sleeve 22-1 rotates relative to the solid
shaft of the ball hinge support 15.
Another set of deflection control mechanism is shown in FIG. 4, including an active gear 32, a
passive gear 33 and a fourth servo motor 16, a second shaped shaft sleeve 35, the fourth servo
motor 16 is fixed on the ball hinge support 15, a drive shaft of the fourth servo motor 16 is engaged
with the active gear 32, the active gear 32 is connected with the passive gear 33, the passive gear 33 is fixed to an outer ring of the sleeve 35-1 of the second shaped shaft sleeve 35 (the passive gear 33 is optionally connected to the sleeve 35-1 by a key). It should be noted that the active gear 32 and the driven gear 33 are common spur gears in the present embodiment.
The second shaped shaft sleeve 35 is shown in FIG. 10, which includes a shaft 35-2 and a
sleeve 35-1; the shaft 35-2 and the sleeve 35-1 are welded together and their axes are perpendicular;
the shaft 35-2 is sleeved in the shaft sleeve at the lower end of the second rocker 31; the sleeve 35-1
is sleeved on a solid shaft at the right end of the ball hinge support 15 (in the orientation shown in
FIG. 2), and the sleeve 22-1 and the ball hinge support 15 can be rotated relative to each other.
Further, the upper ends of the second rocker 31 and the first rocker 23 are connected to the two
ends of a connecting rod 10; a center of the connecting rod 10 is provided with a spherical
through-hole 18, the spherical through-hole 18 is clearance fit with a spherical projection at the end
of the hydraulic telescopic rod 11, the spherical projection fits with the spherical through-hole 18 to
restrain a motion of the hydraulic rod in space; each end of the connecting rod 10 is provided with a
cylindrical through-hole, an axial direction of the cylindrical through-hole is perpendicular to the
axial direction of the connecting rod 10; the cylindrical through-holes are clearance fit with the
solid shafts of the upper ends of the second rocker 31 and the first rocker 23, forming an articulated
connection, and the second rocker 31 and the first rocker 23 can swing relative to the connecting
rod 10.
A middle part of the hydraulic telescopic rod 11 is connected with a through-hole metal ball 24,
and the through-hole metal ball 24 on the hydraulic telescopic rod 11 is connected to the
through-hole of the ball hinge support 15 by a tangential relationship; the ball hinge support and the
through-hole metal ball 24 cooperate to form a ball hinge system. The through-hole metal ball 24
has a through-hole, which is connected to the hydraulic rod by interference fit.
Further, an upper oil port 17 and a lower oil port 14 are provided on the hydraulic telescopic
rod 11, and a telescoping of the hydraulic telescopic rod is realized by filling oil into the upper oil
port 17 and the lower oil port 14; further, a displacement sensor 13 is provided on the hydraulic
telescopic rod 11; the displacement sensor 13 detects a position of the forming tool and is connected
to a controller, which is connected to all the servo motors to realize the control of the whole system.
A front end of the hydraulic rod is connected to the forming tool by a thread, which facilitates a
replacement of the forming tool, and the hydraulic rod controls the displacement of the forming tool along the axis direction.
The present invention through the control of the rotation of the rocker and the connecting
member, using the nature of multi-angle rotation of the through-hole ball hinge to drive the tool
trajectory of the forming tool to form a spherical surface in space, improving accuracy as well as the
degree of control, adapting to multi-angle sheet processing, extending the complex range of forming,
and improving the quality of sheet forming and processing efficiency.
When the platform is operating, a fifth servo motor 20 drives a bevel gear to move. Since the
passive bevel gear 19 is fixed on the shaped shaft sleeve 22, the fifth servo motor 20 will drive the
first rocker 23 to rotate left and right under the reaction force, thus driving the connecting rod 10 to
move, which in turn drives the hydraulic telescopic rod 11 to deflect in the xz plane, for FIG. 2, the
deflection is left and right deflection.
The output torque of the fourth servo motor 16 outputting a torque to drive the shaft sleeve
35-2 of the shaped shaft sleeve 35 to swing back and forth through a spur gear, and then the shaped
shaft sleeve 35 drives the second rocker 31 to turn left and right, which drives the connecting rod 10
and the second rocker 31 to move back and forth together, and then drives the hydraulic telescopic
rod 11 to deflect in the second plane, for FIG. 1, the deflection is back and forth deflection, and
further drives the forming tool to deflect back and forth.
The hydraulic telescopic rod 11 completes certain displacement compensation by telescoping.
Because the mechanical performance of the ball hinge structure is not very good, a certain
distance eccentricity is designed when the through-hole metal ball 24 is connected with the ball
hinge support 15, so as to ensure the large force transmission between the through-hole metal ball
24 and the ball hinge support 15. In addition, the platform is connected with the sliders on both
sides, through the multi-stage structure of slider - sliding rail - slider - sliding rail - lead screw, the
reaction force generated during the processing of the forming tool can be dispersed to the eight
support arms 2, which improves the stress mode of the forming tool as a whole.
Specifically, a method of the multi angle double-sided incremental sheet forming using the
above system, comprising:
step 1: fixing a sheet to be formed on a fixture;
step 2: determining an initial position and a forming trajectory of a forming tool according to a
3D surface model of the sheet to be formed; step 3: turning on each motor and hydraulic valve, and a transmission device drives the forming tool to move along the forming trajectory. According to the forming shape of the sheet, a deflection control mechanism drives the forming tool to rotate, so as to realize a real-time adjustment of a deflection angle of the forming tool in y and z directions during processing, realizing an expansion and contraction of a hydraulic telescopic rod after the deflection of the forming tool through an algorithm, and realizing a compensation of the displacement change between the forming tool and the sheet; step 4: after the processing, controlling the forming tools on both sides to leave the sheet, so as to remove the formed sheet from the fixture; and step 5: removing a formed part and shutting down the equipment.
Finally, it should also be noted that relational terms such as first and second are only used to
distinguish one entity or operation from another entity or operation, and do not necessarily require
or imply any such actual relationship or order between these entities or operations.
The foregoing descriptions are merely preferred embodiments of the present invention, but not
intended to limit the present invention. A person skilled in the art may make various alterations and
variations to the present invention. Any modification, equivalent replacement, or improvement
made within the spirit and principle of the present invention shall fall within the protection scope of
the present invention.
Claims (10)
1. A processing platform for multi-angle double-sided incremental sheet forming with
displacement compensation function, comprising a support, two sets of position adjustment devices
arranged on the support for respectively driving a forming tool with multi-angle motion to move in
three directions of X, Y and Z; the two forming tools with multi-angle motion are identical, each of
the forming tools comprising a first deflection control mechanism, a second deflection control
mechanism, a first rocker, a second rocker, a ball hinge support, a telescopic rod, a connecting rod
and a forming tool;
lower ends of the first rocker and the second rocker are respectively connected to two ends of
the ball hinge support by means of connectors, upper ends of the first rocker and the second rocker
are connected to two ends of the connecting rod by rotation, a through-hole is provided in middle of
the connecting rod, a tail end of the telescopic rod is provided with a spherical projection, the
spherical projection fits into the through-hole with clearance; a through-hole metal ball is fixed in
middle of the telescopic rod, the through-hole metal ball fits tangentially with the through-hole in
middle of the ball hinge support, and a head of the telescopic rod is connected to the forming tool;
and
the first deflection control mechanism controls the first rocker and the second rocker to drive
the telescopic rod and the forming tool to rotate in an XZ plane; the second deflection control
mechanism controls the first rocker and the second rocker to drive the telescopic rod and the
forming tool to rotate in a XY plane.
2. The processing platform according to claim 1, wherein the ball hinge support includes a
body with a through hole in middle of the body, a first solid shaft at one end of the body and a
second solid shaft at the other end of the body.
3. The processing platform according to claim 2, wherein the first deflection control
mechanism includes a first servo motor, an active bevel gear, a passive bevel gear, and a first shaped
shaft sleeve; the first servo motor fixed on a side of the lower end of the first rocker is connected to
the active bevel gear, and the active bevel gear engages with the passive bevel gear; the first shaped
shaft sleeve includes a shaft and a sleeve which are axis perpendicular and connected together, the
shaft is sleeved at a bottom of the first rocker, and the shaft is connected to the passive bevel gear;
the sleeve is sleeved on the first solid shaft of the ball hinge support, and the sleeve is rotatable with respect to the first solid shaft.
4. The processing platform according to claim 2, wherein the second deflection control
mechanism includes a second servo motor, an active gear, a passive gear, and a second shaped shaft
sleeve; the second servo motor fixed on the ball hinge support is connected to the active gear, and
the active gear engages with the passive gear; the second shaped shaft sleeve includes a shaft and a
sleeve which are axis perpendicular and connected together, the passive gear is fixed to the sleeve,
and the shaft is sleeved at a bottom of the second rocker; the sleeve is sleeved on the second solid
shaft, and the sleeve is rotatable with respect to the second solid shaft.
5. The processing platform according to claim 2, wherein structures of the first rocker and
second rocker are same, including a body with a shaft sleeve at one end of the body and a solid
shaft at the other end, and the shaft sleeve is provided with a through hole on the side.
6. The processing platform according to claim 2, wherein the through-hole metal ball fits
eccentrically with the through-hole of the ball hinge support.
7. The processing platform according to claim 1, wherein the telescopic rod is a hydraulic
telescopic rod.
8. The processing platform according to claim 1, wherein the telescopic rod is provided with a
displacement sensor.
9. The processing platform according to claim 1, wherein the two sets of the position
adjustment devices are provided symmetrically with respect to a center of the support.
10. The processing platform according to claim 1, wherein a clamping part is installed between
the two sets of the position adjustment devices, for clamping a sheet to be processed, and the two
forming tools with multi-angle motion are located on both sides of the sheet.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011642209.XA CN112828109B (en) | 2020-12-31 | 2020-12-31 | Multi-angle double-point progressive forming processing platform with displacement compensation function |
| CN202011642209X | 2020-12-31 | ||
| PCT/CN2021/091618 WO2022142037A1 (en) | 2020-12-31 | 2021-04-30 | Multi-angle two-point incremental forming machining platform having displacement compensation function |
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| US2945528A (en) * | 1956-04-30 | 1960-07-19 | L Morane Sa Ets | Machines for shaping sheet metal |
| CN102527830A (en) * | 2012-02-09 | 2012-07-04 | 上海交通大学 | Electroplastic incremental forming device and method for plates |
| JP2016055315A (en) * | 2014-09-09 | 2016-04-21 | トヨタ自動車株式会社 | Incremental forming apparatus |
| CN111872222A (en) * | 2020-06-12 | 2020-11-03 | 北京航空航天大学 | Large-size high-rigidity double-sided incremental forming machine tool |
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| US8322176B2 (en) * | 2009-02-11 | 2012-12-04 | Ford Global Technologies, Llc | System and method for incrementally forming a workpiece |
| CN103495637B (en) * | 2013-08-30 | 2015-06-10 | 西北工业大学 | Plate double-side pressing mould-less incremental forming device |
| CN103639249B (en) * | 2013-12-03 | 2016-07-06 | 上海交通大学 | A kind of Sheet double-point progressive molding device and manufacturing process |
| US10144048B2 (en) * | 2014-11-19 | 2018-12-04 | Ford Global Technologies, Llc | High stiffness and high access forming tool for incremental sheet forming |
| CN207418596U (en) * | 2017-10-20 | 2018-05-29 | 宿迁富祥玻璃制品有限公司 | A kind of glass cutting-table cutter head of adjustable-angle |
| CN208214049U (en) * | 2018-05-11 | 2018-12-11 | 沈阳航空航天大学 | A kind of two-sided Metal CNC Incremental Forming device |
| CN111097838A (en) * | 2018-10-28 | 2020-05-05 | 无锡朗贤轻量化科技股份有限公司 | Multi-degree-of-freedom laser heating incremental forming equipment and process for metal plate |
| CN110102961B (en) * | 2019-06-13 | 2020-03-31 | 山东大学 | Hydraulic adjustable tool head and method for preparing macro/microstructure through incremental forming |
| CN110125243B (en) * | 2019-06-13 | 2020-08-07 | 山东大学 | Progressive forming machining platform with displacement compensation function and control method |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2945528A (en) * | 1956-04-30 | 1960-07-19 | L Morane Sa Ets | Machines for shaping sheet metal |
| CN102527830A (en) * | 2012-02-09 | 2012-07-04 | 上海交通大学 | Electroplastic incremental forming device and method for plates |
| JP2016055315A (en) * | 2014-09-09 | 2016-04-21 | トヨタ自動車株式会社 | Incremental forming apparatus |
| CN111872222A (en) * | 2020-06-12 | 2020-11-03 | 北京航空航天大学 | Large-size high-rigidity double-sided incremental forming machine tool |
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| Publication number | Publication date |
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| AU2021363109A1 (en) | 2022-07-14 |
| WO2022142037A1 (en) | 2022-07-07 |
| CN112828109A (en) | 2021-05-25 |
| CN112828109B (en) | 2021-12-03 |
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