CN113458208B - Bending method and bending mechanism for profile variable curvature - Google Patents

Bending method and bending mechanism for profile variable curvature Download PDF

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Publication number
CN113458208B
CN113458208B CN202110756405.8A CN202110756405A CN113458208B CN 113458208 B CN113458208 B CN 113458208B CN 202110756405 A CN202110756405 A CN 202110756405A CN 113458208 B CN113458208 B CN 113458208B
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wheel
bending
profile
forming
pressing
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CN113458208A (en
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郑晓宏
沈一洲
程诚
赵启康
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Guangzhou G Clef Mechanical Technology Co ltd
Nanjing University of Aeronautics and Astronautics
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Guangzhou G Clef Mechanical Technology Co ltd
Nanjing University of Aeronautics and Astronautics
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Publication of CN113458208A publication Critical patent/CN113458208A/en
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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
    • B21D9/00—Bending tubes using mandrels or the like
    • B21D9/16—Auxiliary equipment, e.g. machines for filling tubes with sand
    • 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
    • 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
    • B21D11/22—Auxiliary equipment, e.g. positioning devices
    • 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
    • B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
    • B21D43/02—Advancing work in relation to the stroke of the die or tool
    • 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
    • B21D9/00—Bending tubes using mandrels or the like

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)

Abstract

The invention provides a bending method of a profile variable curvature, which comprises the steps of arranging a material pressing wheel assembly, a bending wheel assembly and a forming wheel assembly with a forming wheel on the same operating platform, arranging the forming wheel as a driving piece, and taking the positions among the forming wheel, the material pressing wheel assembly and the bending wheel assembly as profile bending stations; the forming wheel is arranged to be round, oval or special-shaped, and one-time processing of variable-curvature bending of the profile conveyed to the profile bending station on the same operation platform is realized by adjusting the positions of the winding wheel assembly and the material pressing wheel assembly relative to the forming wheel and controlling the rotation or stop of the forming wheel. The method for bending the profile with variable curvature can realize one-time processing of the profile with variable curvature, thereby improving the forming efficiency of the profile, ensuring the forming quality and precision of the profile and reducing the processing cost of the profile bending. The invention also provides a bending mechanism with compact structure and strong practicability, which can carry out variable curvature bending processing on the profile.

Description

Bending method and bending mechanism for profile variable curvature
Technical Field
The invention relates to the technical field of profile processing, in particular to a variable-curvature bending method and a variable-curvature bending mechanism for profiles.
Background
The profile bending parts have very wide application in the industrial field. The common bending methods of the section bar include winding, pushing and rolling, and the parts produced by the methods have the characteristics of simple shape and fixed curvature.
In many profile processed products, processing with different bending radiuses is needed, namely so-called variable curvature processing, but currently common bending equipment and bending methods can only process profiles with single curvature, and cannot process the profiles into shapes with variable curvatures at one time, so that the processing equipment and modes can only be replaced for multiple times according to the processing requirements of different bending radiuses in the processing process to process and shape the profiles in a split way, thus not only increasing labor force and resulting in low production efficiency, but also repositioning and parameter adjustment are needed for each replacement of equipment, and the quality and precision of profile molding cannot be ensured in a discontinuous processing mode. Moreover, as mentioned above, the bending process to achieve the variable curvature requires more than two devices to complete, which also greatly increases the processing cost of the profile.
Disclosure of Invention
The invention aims to overcome the defects and shortcomings in the prior art and provide a variable-curvature bending method for a section bar, which can realize one-time processing of variable-curvature bending of the section bar, thereby improving the forming efficiency of the section bar, ensuring the forming quality and precision of the section bar and reducing the bending processing cost of the section bar. The invention also provides a bending mechanism with compact structure and strong practicability, which can carry out variable curvature bending processing on the profile.
In order to achieve the above purpose, the invention is realized by the following technical scheme: a method for bending a profile with variable curvature is characterized in that: the method comprises the steps that a material pressing wheel assembly, a bending wheel assembly and a forming wheel assembly with a forming wheel are arranged on the same operation platform, the forming wheel is arranged as a driving piece, and the positions among the forming wheel, the material pressing wheel assembly and the bending wheel assembly are used as profile bending stations;
the forming wheel is arranged to be round, oval or special-shaped, and one-time processing of variable-curvature bending of the profile conveyed to the profile bending station on the same operation platform is realized by adjusting the positions of the winding wheel assembly and the material pressing wheel assembly relative to the forming wheel and controlling the rotation or stop of the forming wheel.
In the scheme, the relative positions of the material pressing wheel assembly and the bending wheel assembly can be adjusted, and the forming wheel is designed as the driving wheel, so that the one-time processing of variable curvature bending of the profile can be realized by adjusting the positions among the forming wheel, the material pressing wheel assembly and the bending wheel assembly and controlling the rotation or stop of the forming wheel and mutually matching the forming wheel, the material pressing wheel assembly and the bending wheel assembly, the problems of high labor intensity, poor processing quality and the like caused by equipment or mode replacement when processing different curvature radiuses can be solved, and the forming efficiency of the profile is provided, and the quality and the precision of the profile forming are ensured.
The first scheme is as follows:
when setting up the shaping wheel into oval or dysmorphism, through adjusting around the position of bending wheel subassembly and swager subassembly for the shaping wheel to and control the rotation or the stop of shaping wheel, realize carrying out the disposable processing that the variable curvature was crooked to the section bar that conveys to the section bar crooked station on same operation platform means: the bending, push bending or rolling bending of the profile is realized by adjusting the positions of the bending wheel assembly and the material pressing wheel assembly relative to the forming wheel and controlling the rotation or stop of the forming wheel, and one-time processing of variable curvature bending of the profile conveyed to the profile bending station on the same operation platform is realized by adopting one of the processing technologies or adopting any combination of the processing technologies.
The forming wheel, the material pressing wheel assembly and the bending wheel assembly are matched with each other, and the forming wheel is a special-shaped wheel or an oval-shaped wheel, so that the equipment can process one or any combination of the profile materials, and one-time processing of variable-curvature bending of the profile materials can be realized.
The position of the winding wheel assembly and the material pressing wheel assembly relative to the forming wheel is adjusted: controlling the pressing wheel assembly to horizontally move along the profile conveying direction and the vertical direction of the profile conveying direction so as to adjust the position of the pressing wheel assembly relative to the forming wheel; the winding wheel component is controlled to do circular motion by taking the center of the forming wheel as the center of the circle, and the winding wheel component is controlled to move along the connecting line direction of the center of the winding wheel component and the center of the forming wheel so as to adjust the position of the winding wheel component relative to the forming wheel.
The material pressing wheel assembly is provided with a material pressing driven wheel and a material pressing driving wheel, and the bending wheel is arranged around the bending wheel assembly;
the winding processing means: controlling the pressing wheel assembly to move along the profile conveying direction, wherein the pressing driving wheel is opposite to the forming wheel; according to the curvature of the profile molding, controlling the molding wheel to rotate to turn to a corresponding bending radius, stopping rotating, adjusting the angle of circular motion around the bending wheel and the displacement in the connecting line direction between the center of the bending wheel and the center of the molding wheel, and controlling the bending wheel to cling to the transferred profile, so that the profile is wound into the molding wheel to bend, and bending molding of the profile is realized;
the push bending processing means: setting a motion parameter of a winding wheel and a motion parameter of a pressing wheel assembly according to the curvature of the profile molding; the motion parameters of the winding wheel are as follows: the angle of circular motion around the bending wheel corresponding to the wheel rotation track of the forming wheel and the displacement in the connecting line direction between the center of the bending wheel and the center of the forming wheel; the motion parameters of the material pressing wheel assembly are as follows: the displacement of the material pressing driving wheel and the material pressing driven wheel corresponding to the rotation track of the forming wheel; controlling the forming wheel to rotate, controlling the bending wheel to move according to the set motion parameters of the bending wheel in the pushing process of the profile, controlling the pressing driving wheel and the pressing driven wheel to move according to the set motion parameters of the pressing wheel assembly, and rotating and bending the profile between the forming wheel and the bending wheel to realize bending and forming of the profile;
The rolling bending processing means: setting a motion parameter of a winding wheel and a motion parameter of a pressing wheel assembly according to the curvature of the profile molding; the motion parameters of the winding wheel are as follows: the angle of circular motion around the bending wheel corresponding to the wheel rotation track of the forming wheel and the displacement in the connecting line direction between the center of the bending wheel and the center of the forming wheel; the motion parameters of the material pressing wheel assembly are as follows: the displacement of the material pressing driving wheel and the material pressing driven wheel corresponding to the rotation track of the forming wheel; the forming wheel is controlled to rotate, the bending wheel is controlled to move according to the set motion parameters of the bending wheel, the material pressing driving wheel and the material pressing driven wheel are controlled to move according to the set motion parameters of the material pressing wheel assembly, and the material pressing driven wheel, the forming wheel and the bending wheel interact on the section bar to roll and bend the conveyed section bar, so that the bending forming of the section bar is realized.
The invention also comprises the step of carrying out secondary bending shaping processing on the section bar which is bent through the push bending processing;
the secondary bending and shaping processing steps are as follows: setting a motion parameter of a winding wheel and a motion parameter of a pressing wheel assembly according to the curvature of the profile molding; the motion parameters of the winding wheel are as follows: the angle of circular motion around the bending wheel corresponding to the wheel rotation track of the forming wheel and the displacement in the connecting line direction between the center of the bending wheel and the center of the forming wheel; the motion parameters of the material pressing wheel assembly are as follows: the displacement of the material pressing driving wheel and the material pressing driven wheel corresponding to the rotation track of the forming wheel; the forming wheel is controlled to rotate, the bending wheel is controlled to move according to the set motion parameters of the bending wheel, the material pressing driving wheel and the material pressing driven wheel are controlled to move according to the set motion parameters of the material pressing wheel assembly, the material pressing driven wheel, the forming wheel and the bending wheel interact on the section bar which is just processed to carry out rolling bending processing, and secondary bending shaping processing on the section bar is realized.
The second scheme is as follows:
when setting up the shaping wheel into circularly, through adjusting around the position of bending wheel subassembly and swager subassembly for the shaping wheel to and control the rotation or the stop of shaping wheel, realize carrying out the disposable processing that the variable curvature was crooked to the section bar that conveys to the section bar bending station on same operation platform means: the bending, push bending or rolling bending of the profile is realized by adjusting the positions of the bending wheel component and the material pressing wheel component relative to the forming wheel and controlling the rotation or stop of the forming wheel, and the one-time processing of variable curvature bending of the profile conveyed to the profile bending station on the same operation platform is realized by adopting the combination of push bending, rolling bending or any processing technology.
The forming wheel, the material pressing wheel component and the bending wheel component are matched with each other, so that the equipment can perform push bending processing or roll bending processing or random combination processing on the profile, and one-time processing of variable-curvature bending of the profile can be realized.
The position of the winding wheel assembly and the material pressing wheel assembly relative to the forming wheel is adjusted: controlling the pressing wheel assembly to horizontally move along the profile conveying direction and the vertical direction of the profile conveying direction so as to adjust the position of the pressing wheel assembly relative to the forming wheel; the winding wheel component is controlled to do circular motion by taking the center of the forming wheel as the center of the circle, and the winding wheel component is controlled to move along the connecting line direction of the center of the winding wheel component and the center of the forming wheel so as to adjust the position of the winding wheel component relative to the forming wheel.
The material pressing wheel assembly is provided with a material pressing driven wheel and a material pressing driving wheel, and the bending wheel is arranged around the bending wheel assembly;
the winding processing means: controlling the pressing wheel assembly to move along the profile conveying direction, wherein the pressing driving wheel is opposite to the forming wheel; adjusting the angle of circular motion around the bending wheel and the displacement in the connecting line direction between the center of the bending wheel and the center of the forming wheel, and controlling the profile conveyed by the bending wheel in an adhering way, so that the profile is wound into a forming wheel to rotate and bend, and the bending forming of the profile is realized;
the push bending processing means: controlling the pressing wheel assembly to move along the profile conveying direction, wherein the pressing driving wheel is opposite to the forming wheel; according to the curvature of the profile, adjusting the angle of circular motion around the bending wheel and the displacement in the direction of the connecting line between the center of the bending wheel and the center of the forming wheel; controlling the forming wheel to rotate, and rotating and bending the profile between the forming wheel and the winding wheel in the profile pushing process to realize profile bending and forming;
the rolling bending processing means: controlling the pressing driving wheel to move along the profile conveying direction, wherein the pressing driving wheel is opposite to the forming wheel; according to the curvature of the profile processing and forming, adjusting the angle of circular motion around the bending wheel and the displacement in the direction of the connecting line between the center of the bending wheel and the center of the forming wheel; the forming wheel is controlled to rotate, and the material pressing driven wheel is controlled to horizontally move along the vertical direction of the profile conveying direction and the profile conveying direction, so that the material pressing driven wheel, the forming wheel and the bending winding wheel interact to roll and bend the conveyed profile on the profile, and the profile bending is realized.
The invention also comprises the step of carrying out secondary bending shaping processing on the section bar which is bent through the push bending processing; the secondary bending and shaping processing steps are as follows: controlling the pressing driving wheel to move along the profile conveying direction, wherein the pressing driving wheel is opposite to the forming wheel; according to the curvature of the profile processing and forming, adjusting the angle of circular motion around the bending wheel and the displacement in the direction of the connecting line between the center of the bending wheel and the center of the forming wheel; the forming wheel is controlled to rotate, and the material pressing driven wheel is controlled to horizontally move along the vertical direction of the profile conveying direction and the profile conveying direction, so that the material pressing driven wheel, the forming wheel and the bending wheel interact to perform rolling bending processing on the profile which is just processed, and secondary bending shaping processing on the profile is realized.
The utility model provides a bending mechanism of section bar variable curvature which characterized in that: comprises a headstock, a pressing wheel assembly, a winding wheel assembly and a forming wheel assembly provided with a forming wheel; the molding wheel assembly is arranged on the headstock, and the molding wheel is a driving wheel; the material pressing wheel assembly is arranged on the headstock and can horizontally move along the profile conveying direction and the vertical direction of the profile conveying direction; the bending wheel assembly is arranged on the headstock and can do circular motion by taking the center of the forming wheel as the circle center, and the bending wheel assembly can move along the connecting line direction of the center of the bending wheel assembly and the center of the forming wheel; the positions among the forming wheel, the material pressing wheel assembly and the winding wheel assembly are used as profile bending stations; during working, one-time processing of variable-curvature bending of the profile is realized by adjusting the positions of the winding wheel assembly and the material pressing wheel assembly relative to the forming wheel and controlling the rotation or stop of the forming wheel;
The forming wheel is a round forming wheel, an oval forming wheel or a special-shaped wheel.
The forming wheel is arranged as a driving piece, and is circular, elliptical or special-shaped, so that the forming wheel can meet the requirements of bending, pushing or rolling of various curvatures, when the profile is required to be subjected to bending of different curvatures, the forming wheel can be arranged as elliptical or special-shaped, the forming wheel stops when rotating to a required radius for turning, the bending is performed, and the turning of the forming wheel can be continuously regulated to perform bending of different curvatures; when the profile is required to be subjected to bending processing with fixed curvature, the forming wheel can be arranged into a round shape.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1. the method for bending the profile with variable curvature can realize one-time processing of the profile with variable curvature, thereby improving the forming efficiency of the profile, ensuring the forming quality and precision of the profile and reducing the processing cost of the profile bending.
2. The variable-curvature bending mechanism for the profile is compact in structure and high in practicability, and can be used for variable-curvature bending processing of the profile.
Drawings
FIG. 1 is a schematic view of the bending mechanism of the present invention (wherein the arrow is the profile conveying direction);
FIG. 2 is a top view of the bending mechanism of the present invention;
FIG. 3 is a schematic side view of the bending mechanism of the present invention;
FIG. 4 is a schematic view of the direction C-C of FIG. 2;
FIG. 5 is a schematic view of the direction D-D of FIG. 2;
FIG. 6 is a schematic view of the E-E direction of FIG. 2;
FIG. 7 is a schematic view of the F-F direction of FIG. 3;
FIG. 8 is a schematic view of a wrap-around wheel module in a bending mechanism according to the present invention;
FIG. 9 is a schematic view of a nip wheel assembly in a bending mechanism of the present invention;
FIG. 10 is a top view of a nip wheel assembly in a bending mechanism of the present invention;
FIG. 11 is a schematic view of the direction A-A of FIG. 10;
FIG. 12 is a schematic view of a bending apparatus with a bending mechanism of the present invention;
FIGS. 13 (a) -13 (e) are schematic diagrams showing the bending process according to the first embodiment;
FIG. 14 is a schematic view of a second embodiment bending mechanism;
wherein 1 is a bending mechanism, 2 is a frame, 3 is a feeding mechanism, 4 is a core pulling mechanism, 5 is a headstock, 6 is a pressing wheel assembly, 6.1 is a linear guide rail II, 6.2 is a pressing wheel mounting plate I, 6.3 is a pressing cylinder II, 6.4 is a cylinder connecting seat, 6.5 is a hinged support, 6.6 is a pressing wheel mounting plate II, 6.7 is a linear guide rail III, 6.8 is an auxiliary push cylinder, 6.9 is a pressing driving wheel, 6.10 is a pressing driving wheel shaft, 6.11 is an oil motor, 6.12 is a synchronous pulley, 6.13 is a synchronous belt, 6.14 is a pressing driving wheel support, 6.15 is a pressing driven wheel, 6.16 is a pressing driven wheel shaft, 6.17 is a pressing driven wheel support, 6.18 is a linear guide rail IV, 6.19 is a telescopic cylinder, 6.20 is a frame, 7 is a winding wheel assembly, 7.1 is a cylinder, 7.2 is a swinging arm, 7.3 is a connecting seat, 7.4 is a swinging arm shaft, 7.5 is a swinging arm, 7.8 is a swinging arm, 7.8.8 is a bevel wheel, 7.8 is a swinging arm, 7.8 is a gear winding wheel assembly, 7.8.8 is a swinging arm, 7.8 is a bevel wheel assembly, 7.8.8 is a bending wheel, and 7.8 is a bending wheel assembly.
Detailed Description
The invention is described in further detail below with reference to the drawings and the detailed description.
Example 1
In this embodiment, the following description will be given taking a round molding wheel as an example.
As shown in fig. 1 to 12, the bending apparatus with a bending mechanism of the present invention includes:
a frame 2;
a bending mechanism 1 for bending a profile;
a feeding mechanism 3 for conveying the profile to the bending mechanism 1;
and a core pulling mechanism 4 for filling the core rod in the section bar to play a role of supporting the internal cavity of the section bar;
wherein the bending mechanism 1 is arranged on the frame 2, the feeding mechanism 3 is arranged on the frame 2 and can reciprocate on the frame 2 through the driving and conveying assembly, so that the section bar is conveyed to the bending mechanism 1. The core pulling mechanism 4 is fixed on the frame 2 after the position is adjusted. A supporting frame 9 for supporting the section bar and/or the core rod is also arranged between the feeding mechanism 3 and the bending mechanism 1, and the supporting frame 9 is arranged on the frame 2. The feeding mechanism 3 and the core pulling mechanism 4 of the embodiment are all common mature mechanical equipment for bending and processing sectional materials in the market.
The bending mechanism 1 comprises a headstock 5, a material pressing wheel assembly 6, a winding bending wheel assembly 7 and a forming wheel assembly 8 provided with a forming wheel 8.1, wherein the headstock 5 is arranged on a frame 2, the forming wheel assembly 8 is arranged on the headstock 5, the forming wheel 8.1 is a driving wheel, the material pressing wheel assembly 6 is arranged on the headstock 5, and the material pressing wheel assembly 6 can horizontally move along the vertical direction of the profile conveying direction and the profile conveying direction; the winding wheel assembly 7 is arranged on the headstock 5 and can do circular motion by taking the center of the forming wheel 8.1 as the circle center, and the winding wheel assembly 7 can move along the connecting line direction of the center of the winding wheel assembly 7 and the center of the forming wheel 8.1. The positions among the forming wheel 8.1, the material pressing wheel assembly 6 and the winding wheel assembly 7 serve as profile bending stations; during operation, one-time processing of variable-curvature bending of the profile is realized by adjusting the positions of the winding wheel assembly 7 and the material pressing wheel assembly 6 relative to the forming wheel 8.1 and controlling the rotation or stop of the forming wheel 8.1.
The forming wheel assembly 8 of the invention further comprises a driving shaft 8.2, a servo motor 8.3 and a transmission device, wherein the driving shaft 8.2 is arranged on the headstock 5 through a bearing and is connected with the forming wheel 8.1, and the servo motor 8.3 is arranged on the headstock 5 and is connected with the driving shaft 8.2 through the transmission device to drive the forming wheel 8.1 on the driving shaft 8.2 to rotate. The transmission device is provided with two bevel gears 8.4 which are respectively connected with a driving shaft 8.2 and a servo motor 8.3, and the two bevel gears 8.4 are in meshed connection. The forming wheel 8.1 of the invention is designed as a driving wheel, so that the equipment can not only perform bending processing on the profile, but also perform pushing bending processing and rolling bending processing on the profile in cooperation with the material pressing wheel assembly 6 and the bending wheel assembly 7.
The bending wheel winding assembly 7 comprises a swing arm oil cylinder 7.1, a swing arm device and a bending wheel winding module, wherein the swing arm device comprises a swing arm 7.2, a swing arm connecting seat 7.3 and a swing arm shaft 7.4, the swing arm shaft 7.4 is respectively connected with a driving shaft 8.2 and a headstock 5 through bearings, the bending wheel winding module is arranged on the swing arm 7.2, the swing arm 7.2 is connected with the swing arm shaft 7.4, and the swing arm oil cylinder 7.1 is connected with the swing arm shaft 7.4 through the swing arm connecting seat 7.3 so as to drive the bending wheel winding module on the swing arm 7.2 to do circular motion by taking the center of a forming wheel 8.1 as a circle center.
The winding wheel module comprises a winding wheel mounting plate 7.5, a linear guide rail I7.6, a pressing oil cylinder I7.7, a winding wheel 7.8, a winding wheel support seat 7.9, a winding wheel mounting frame 7.12 and a winding wheel shaft 7.10, wherein the linear guide rail I7.6 is arranged on a swinging arm 7.2 and is in sliding connection with the winding wheel mounting plate 7.5, the winding wheel 7.8 is arranged on the winding wheel support seat 7.9 through the winding wheel shaft 7.10, the winding wheel support seat 7.9 is arranged on the winding wheel mounting plate 7.5 through the winding wheel mounting frame 7.12, the pressing oil cylinder I7.7 is connected with an oil cylinder joint 7.11 at the bottom of the winding wheel mounting plate 7.5, the winding wheel 7.8 on the winding wheel mounting plate 7.5 is driven to move along the connecting line direction of the linear guide rail I7.6 and the center of a forming wheel 8.1, and the distance between the winding wheel 7.8 and the forming wheel 8.1 is adjusted in the mode. The coiling wheel module comprises an adjusting cover plate 7.13, and the coiling wheel support 7.9 can be fixed through the adjusting cover plate 7.13 after the height of the coiling wheel mounting frame 7.12 is adjusted, so that the height of the coiling wheel 7.8 is adjustable.
The pressing wheel assembly 6 comprises a linear guide rail II 6.1, a pressing wheel mounting plate I6.2, a pressing oil cylinder II 6.3 and a pressing wheel module, wherein the linear guide rail II 6.1 is arranged on a headstock 5 and is in sliding connection with the pressing wheel mounting plate I6.2, the pressing wheel module is arranged on the pressing wheel mounting plate I6.2, the pressing oil cylinder II 6.3 is hinged with a hinged support 6.5 at the bottom of the pressing wheel mounting plate I6.2 through an oil cylinder connecting seat 6.4, and the purpose of driving the pressing wheel module on the pressing wheel mounting plate I6.2 to horizontally move along the vertical direction of the profile conveying direction through the linear guide rail II 6.1 is achieved.
The pressing wheel module comprises a pressing wheel mounting plate II 6.6, a pressing driving wheel device, a pressing driven wheel device, a linear guide rail III 6.7 and an auxiliary pushing cylinder 6.8, wherein the linear guide rail III 6.7 is arranged on the pressing wheel mounting plate I6.2 and is in sliding connection with the pressing wheel mounting plate II 6.6, and the pressing driven wheel device and the pressing driving wheel device are arranged on the pressing wheel mounting plate II 6.6 side by side; the auxiliary boosting oil cylinder 6.8 is connected with the second pressing wheel mounting plate 6.6, so that the pressing driven wheel device and the pressing driving wheel device on the second pressing wheel mounting plate 6.6 are driven to synchronously move along the conveying direction of the profile.
Specifically, the material pressing driving wheel device comprises a material pressing driving wheel 6.9, a material pressing driving wheel shaft 6.10, an oil motor 6.11, a synchronous pulley 6.12, a synchronous belt 6.13 and a material pressing driving wheel support 6.14 arranged on a material pressing wheel mounting plate II 6.6, wherein the material pressing driving wheel shaft 6.10 is arranged on the material pressing driving wheel support 6.14 through a bearing and is connected with the material pressing driving wheel 6.9, and the oil motor 6.11 is arranged on the material pressing driving wheel support 6.14 and is connected with the material pressing driving wheel shaft 6.10 through the synchronous pulley 6.12 and the synchronous belt 6.13 so as to drive the material pressing driving wheel 6.9 on the material pressing driving wheel shaft 6.10 to rotate.
The pressing driven wheel device comprises a pressing driven wheel 6.15, a pressing driven wheel shaft 6.16, a pressing driven wheel support 6.17, a linear guide rail four 6.18, a telescopic cylinder 6.19 and a frame 6.20 arranged on a pressing wheel mounting plate II 6.6, wherein the pressing driven wheel 6.15 is arranged on the pressing driven wheel support 6.17 through the pressing driven wheel shaft 6.16, the linear guide rail four 6.18 is arranged on the frame 6.20, and the driving end of the telescopic cylinder 6.19 is in sliding connection with the linear guide rail four 6.18 and is connected with the pressing driven wheel support 6.17, so that the driving of the pressing driven wheel 6.15 along the vertical direction horizontal movement of the profile conveying direction is realized.
The bending method of the variable curvature section bar comprises the following steps: the one-time processing of variable curvature bending of the profile conveyed to the profile bending station on the same operation platform is realized by arranging the material pressing wheel assembly 6, the winding wheel assembly 7 and the forming wheel assembly 8 with the forming wheel 8.1 on the same operation platform, arranging the forming wheel 8.1 as a driving piece, arranging the forming wheel 8.1 as a round shape, adjusting the positions of the winding wheel assembly 7 and the material pressing wheel assembly 6 relative to the forming wheel 8.1, and controlling the rotation or stop of the forming wheel 8.1.
Specifically, the method realizes the bending, push bending or rolling of the profile by adjusting the positions of the bending wheel assembly 7 and the material pressing wheel assembly 6 relative to the forming wheel 8.1 and controlling the rotation or stop of the forming wheel 8.1. By adjusting the position of the winding wheel assembly 7 and the nip wheel assembly 6 relative to the forming wheel 8.1 is meant: controlling the pressing wheel assembly 6 to horizontally move along the profile conveying direction and the vertical direction of the profile conveying direction so as to adjust the position of the pressing wheel assembly 6 relative to the forming wheel 8.1; the winding wheel assembly 7 is controlled to perform circular motion by taking the center of the forming wheel 8.1 as the center of a circle, and the winding wheel assembly 7 is controlled to move along the direction of the connecting line of the winding wheel assembly 7 and the center of the forming wheel 8.1 so as to adjust the position of the winding wheel assembly 7 relative to the forming wheel 8.1.
Wherein, the winding processing means: the control swager wheel subassembly 6 removes along the section bar direction of delivery, and swager action wheel 6.9 is relative with shaping wheel 8.1, and at this moment, swager action wheel 6.9 and swager follower 6.15 can play the effect of compressing tightly the section bar and the effect of section bar conveying direction. The angle of circular motion around the bending wheel 7.8 and the displacement in the direction of the connecting line between the center of the bending wheel 7.8 and the center of the forming wheel 8.1 are adjusted, and the profile conveyed by the adhesion of the bending wheel 7.8 is controlled, so that the profile is bent around the forming wheel 8.1 in a rotating way, and the bending forming of the profile is realized.
The push bending processing means: the control swager wheel subassembly 6 removes along the section bar direction of delivery, and swager action wheel 6.9 is relative with shaping wheel 8.1, and at this moment, swager action wheel 6.9 and swager follower 6.15 can play the effect of compressing tightly the section bar and the effect of section bar conveying direction. According to the curvature of the profile, the angle of circular motion around the bending wheel 7.8 and the displacement in the direction of the connecting line between the center of the bending wheel 7.8 and the center of the forming wheel 8.1 are regulated. And controlling the forming wheel 8.1 to rotate, and rotating and bending the profile at a profile bending station between the forming wheel 8.1 and the winding wheel 7.8 in the profile pushing process, so as to realize profile bending and forming.
Rolling and bending: the pressing driving wheel 6.9 is controlled to move along the conveying direction of the profile, and the pressing driving wheel 6.9 is opposite to the forming wheel 8.1. According to the curvature of the profile processing, the angle of the circular motion around the bending wheel 7.8 and the displacement in the direction of the connecting line between the center of the bending wheel 7.8 and the center of the forming wheel 8.1 are regulated. The forming wheel 8.1 is controlled to rotate, and the material pressing driven wheel 6.15 is controlled to horizontally move along the vertical direction of the profile conveying direction and the profile conveying direction, so that the material pressing driven wheel 6.15, the forming wheel 8.1 and the winding wheel 7.8 interact to roll and bend the conveyed profile on the profile, and the bending and forming of the profile are realized.
The bending process also comprises the step of carrying out secondary bending shaping processing on the section bar which is bent through the push bending processing. The secondary bending and shaping processing steps are as follows: the material pressing driving wheel 6.9 is controlled to move along the conveying direction of the section bar, and the material pressing driving wheel 6.9 is opposite to the forming wheel 8.1; according to the curvature of the profile processing and forming, adjusting the angle of circular motion around the bending wheel 7.8 and the displacement in the direction of the connecting line between the center of the bending wheel 7.8 and the center of the forming wheel 8.1; the forming wheel 8.1 is controlled to rotate, and the material pressing driven wheel 6.15 horizontally moves along the vertical direction of the profile conveying direction and the profile conveying direction, so that the material pressing driven wheel 6.15, the forming wheel 8.1 and the winding wheel 7.8 interact to perform rolling bending processing on the profile which is just processed, and secondary bending shaping processing on the profile is realized.
In the embodiment, the bending processing and the pushing bending processing are combined to perform the profile bending processing, and finally the secondary bending shaping processing step is adopted to perform the secondary bending shaping processing on the profile. The steps of the bending method of this embodiment are as follows:
(1) The first small radius of curvature shaping of the profile is achieved by a wrap-around process, as shown in fig. 13 (a).
(2) The large radius of curvature shaping of the profile is achieved by push bending processing, as shown in fig. 13 (b).
(3) The control nip wheel assembly 6 and the winding roller assembly 7 are reset as shown in fig. 13 (c).
(4) The second small radius of curvature shaping of the profile is achieved by a wrap-around process, as shown in fig. 13 (d). At this time, two bending processes with small curvature radius and a bending process with large curvature radius in the middle are completed,
(5) The middle large radius bending portion is subjected to bending multiple times by the secondary bending forming process, and the curvature is corrected, thereby improving the stability of the large radius bending forming, as shown in fig. 13 (e).
Example two
The present embodiment differs from the first embodiment only in that: as shown in fig. 14, the forming wheel of the present embodiment is elliptical.
The curvature-variable profile bending method of the embodiment is as follows: the one-time processing of the variable curvature bending of the profile is achieved by adjusting the position of the winding wheel assembly 7 and the pressing wheel assembly 6 relative to the forming wheel 8.1 and controlling the rotation or stopping of the forming wheel 8.1.
Specifically, the method realizes the bending, push bending or rolling bending of the profile by adjusting the positions of the bending wheel assembly 7 and the material pressing wheel assembly 6 relative to the forming wheel 8.1 and controlling the rotation or stop of the forming wheel 8.1.
By adjusting the position of the winding wheel assembly 7 and the nip wheel assembly 6 relative to the forming wheel 8.1 is meant: controlling the pressing wheel assembly 6 to horizontally move along the profile conveying direction and the vertical direction of the profile conveying direction so as to adjust the position of the pressing wheel assembly 6 relative to the forming wheel 8.1; the winding wheel assembly 7 is controlled to perform circular motion by taking the center of the forming wheel 8.1 as the center of a circle, and the winding wheel assembly 7 is controlled to move along the direction of the connecting line of the winding wheel assembly 7 and the center of the forming wheel 8.1 so as to adjust the position of the winding wheel assembly 7 relative to the forming wheel 8.1.
Wherein, the winding processing means: the control swager wheel subassembly 6 removes along the section bar direction of delivery, and swager action wheel 6.9 is relative with shaping wheel 8.1, and at this moment, swager action wheel 6.9 and swager follower 6.15 can play the effect of compressing tightly the section bar and the effect of section bar conveying direction. According to the curvature of the profile molding, the rotation of the molding wheel 8.1 is controlled to be turned to the corresponding bending radius, the rotation is stopped, the angle of circular motion around the bending wheel 7.8 and the displacement in the direction of the connecting line between the center of the bending wheel 7.8 and the center of the molding wheel 8.1 are regulated, the profile transferred by the adhesion of the bending wheel 7.8 is controlled, the profile is bent around the molding wheel 8.1 in a rotating way, and the profile bending molding is realized.
The push bending processing means: setting a motion parameter of a winding wheel 7.8 and a motion parameter of a pressing wheel assembly according to the curvature of the profile molding; the motion parameters of the coiling wheel 7.8 are as follows: the angle of circular motion around the bending wheel 7.8 corresponding to the rotation track of the forming wheel 8.1, and the displacement in the direction of the connecting line between the center of the bending wheel 7.8 and the center of the forming wheel 8.1; the motion parameters of the material pressing wheel assembly are as follows: displacement of the material pressing driving wheel 6.9 and the material pressing driven wheel 6.15 corresponding to the rotation track of the forming wheel 8.1; and controlling the forming wheel 8.1 to rotate, controlling the bending wheel 7.8 to move according to the set motion parameters of the bending wheel 7.8 in the process of pushing the profile, controlling the pressing driving wheel 6.9 and the pressing driven wheel 6.15 to move according to the set motion parameters of the pressing wheel assembly, and rotating and bending the profile between the forming wheel 8.1 and the bending wheel 7.8 to realize bending and forming of the profile.
Rolling and bending: setting a motion parameter of a winding wheel 7.8 and a motion parameter of a pressing wheel assembly according to the curvature of the profile molding; the motion parameters of the coiling wheel 7.8 are as follows: the angle of circular motion around the bending wheel 7.8 corresponding to the rotation track of the forming wheel 8.1, and the displacement in the direction of the connecting line between the center of the bending wheel 7.8 and the center of the forming wheel 8.1; the motion parameters of the material pressing wheel assembly are as follows: displacement of the material pressing driving wheel 6.9 and the material pressing driven wheel 6.15 corresponding to the rotation track of the forming wheel 8.1; the forming wheel 8.1 is controlled to rotate, the bending wheel 7.8 is controlled to move according to the set motion parameters of the bending wheel 7.8, the material pressing driving wheel 6.9 and the material pressing driven wheel 6.15 are controlled to move according to the set motion parameters of the material pressing wheel assembly, and the material pressing driven wheel 6.15, the forming wheel 8.1 and the bending wheel 7.8 interact to roll and bend the conveyed section on the section, so that the bending forming of the section is realized.
The bending method also comprises the step of carrying out secondary bending shaping processing on the section bar which is bent through the push bending processing. The secondary bending and shaping processing steps are as follows: setting a motion parameter of a winding wheel 7.8 and a motion parameter of a pressing wheel assembly according to the curvature of the profile molding; the motion parameters of the coiling wheel 7.8 are as follows: the angle of circular motion around the bending wheel 7.8 corresponding to the rotation track of the forming wheel 8.1, and the displacement in the direction of the connecting line between the center of the bending wheel 7.8 and the center of the forming wheel 8.1; the motion parameters of the material pressing wheel assembly are as follows: displacement of the material pressing driving wheel 6.9 and the material pressing driven wheel 6.15 corresponding to the rotation track of the forming wheel 8.1; the forming wheel 8.1 is controlled to rotate, the bending wheel 7.8 is controlled to move according to the set motion parameters of the bending wheel 7.8, the material pressing driving wheel 6.9 and the material pressing driven wheel 6.15 are controlled to move according to the set motion parameters of the material pressing wheel assembly, so that the material pressing driven wheel 6.15, the forming wheel 8.1 and the bending wheel 7.8 interact to perform rolling bending processing on the section bar which is just processed, and secondary bending shaping processing on the section bar is realized.
In the embodiment, the bending processing and the pushing bending processing are combined to perform the profile bending processing, and finally the secondary bending shaping processing step is adopted to perform the secondary bending shaping processing on the profile. The steps of the bending method of this embodiment are as follows:
(1) The first small curvature radius forming of the profile is realized through bending processing.
(2) And the large curvature radius forming of the profile is realized through push bending processing.
(3) And controlling the material pressing wheel assembly and the winding wheel assembly to reset.
(4) The second small curvature radius forming of the profile is realized through bending processing.
At this time, two bending processes with small curvature radius and a bending process with large curvature radius in the middle are completed,
(5) The secondary bending and shaping processing is used for carrying out multiple bending processing on the middle bending part with the large radius of curvature and correcting the curvature, so that the stability problem of the bending and shaping with the large radius of curvature is improved.
Other structures of this embodiment are identical to those of the embodiment.
The above examples are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above examples, and any other changes, modifications, substitutions, combinations, and simplifications that do not depart from the spirit and principle of the present invention should be made in the equivalent manner, and the embodiments are included in the protection scope of the present invention.

Claims (4)

1. A method for bending a profile with variable curvature is characterized in that: the method comprises the steps that a material pressing wheel assembly, a bending wheel assembly and a forming wheel assembly with a forming wheel are arranged on the same operation platform, the forming wheel is arranged as a driving piece, and the positions among the forming wheel, the material pressing wheel assembly and the bending wheel assembly are used as profile bending stations;
setting the forming wheel to be round, oval or special-shaped, and realizing one-time processing of variable-curvature bending of the profile conveyed to the profile bending station on the same operation platform by adjusting the positions of the winding wheel assembly and the material pressing wheel assembly relative to the forming wheel and controlling the rotation or stop of the forming wheel;
when setting up the shaping wheel into oval or dysmorphism, through adjusting around the position of bending wheel subassembly and swager subassembly for the shaping wheel to and control the rotation or the stop of shaping wheel, realize carrying out the disposable processing that the variable curvature was crooked to the section bar that conveys to the section bar crooked station on same operation platform means: the bending, push bending or rolling bending of the profile is realized by adjusting the positions of the bending wheel assembly and the material pressing wheel assembly relative to the forming wheel and controlling the rotation or stop of the forming wheel, and one-time processing of variable curvature bending of the profile conveyed to the profile bending station on the same operation platform is realized by adopting one of the processing technologies or adopting any combination of the processing technologies;
The position of the winding wheel assembly and the material pressing wheel assembly relative to the forming wheel is adjusted: controlling the pressing wheel assembly to horizontally move along the profile conveying direction and the vertical direction of the profile conveying direction so as to adjust the position of the pressing wheel assembly relative to the forming wheel; the winding wheel component is controlled to do circular motion by taking the center of the forming wheel as the center of the circle, and the winding wheel component is controlled to move along the connecting line direction of the center of the winding wheel component and the center of the forming wheel so as to adjust the position of the winding wheel component relative to the forming wheel;
the material pressing wheel assembly is provided with a material pressing driven wheel and a material pressing driving wheel, and the bending wheel is arranged around the bending wheel assembly;
the winding processing means: controlling the pressing wheel assembly to move along the profile conveying direction, wherein the pressing driving wheel is opposite to the forming wheel; according to the curvature of the profile molding, controlling the molding wheel to rotate to turn to a corresponding bending radius, stopping rotating, adjusting the angle of circular motion around the bending wheel and the displacement in the connecting line direction between the center of the bending wheel and the center of the molding wheel, and controlling the bending wheel to cling to the transferred profile, so that the profile is wound into the molding wheel to bend, and the curvature radius molding of the profile is realized;
the push bending processing means: setting a motion parameter of a winding wheel and a motion parameter of a pressing wheel assembly according to the curvature of the profile molding; the motion parameters of the winding wheel are as follows: the angle of circular motion around the bending wheel corresponding to the wheel rotation track of the forming wheel and the displacement in the connecting line direction between the center of the bending wheel and the center of the forming wheel; the motion parameters of the material pressing wheel assembly are as follows: the displacement of the material pressing driving wheel and the material pressing driven wheel corresponding to the rotation track of the forming wheel; controlling the forming wheel to rotate, controlling the bending wheel to move according to the set motion parameters of the bending wheel in the pushing process of the profile, controlling the pressing driving wheel and the pressing driven wheel to move according to the set motion parameters of the pressing wheel assembly, and rotating and bending the profile between the forming wheel and the bending wheel to realize the forming of the curvature radius of the profile;
The rolling bending processing means: setting a motion parameter of a winding wheel and a motion parameter of a pressing wheel assembly according to the curvature of the profile molding; the motion parameters of the winding wheel are as follows: the angle of circular motion around the bending wheel corresponding to the wheel rotation track of the forming wheel and the displacement in the connecting line direction between the center of the bending wheel and the center of the forming wheel; the motion parameters of the material pressing wheel assembly are as follows: the displacement of the material pressing driving wheel and the material pressing driven wheel corresponding to the rotation track of the forming wheel; controlling the forming wheel to rotate, controlling the bending wheel to move according to the set motion parameters of the bending wheel, controlling the pressing driving wheel and the pressing driven wheel to move according to the set motion parameters of the pressing wheel assembly, enabling the pressing driven wheel, the forming wheel and the bending wheel to interact on the profile to roll and bend the transmitted profile, and forming the curvature radius of the profile;
when setting up the shaping wheel into circularly, through adjusting around the position of bending wheel subassembly and swager subassembly for the shaping wheel to and control the rotation or the stop of shaping wheel, realize carrying out the disposable processing that the variable curvature was crooked to the section bar that conveys to the section bar bending station on same operation platform means: the bending, push bending or rolling bending of the profile is realized by adjusting the positions of the bending wheel assembly and the material pressing wheel assembly relative to the forming wheel and controlling the rotation or stop of the forming wheel, and the one-time processing of variable curvature bending of the profile conveyed to the profile bending station on the same operation platform is realized by adopting the combination of push bending, rolling bending or any processing technology;
The position of the winding wheel assembly and the material pressing wheel assembly relative to the forming wheel is adjusted: controlling the pressing wheel assembly to horizontally move along the profile conveying direction and the vertical direction of the profile conveying direction so as to adjust the position of the pressing wheel assembly relative to the forming wheel; the winding wheel component is controlled to do circular motion by taking the center of the forming wheel as the center of the circle, and the winding wheel component is controlled to move along the connecting line direction of the center of the winding wheel component and the center of the forming wheel so as to adjust the position of the winding wheel component relative to the forming wheel;
the material pressing wheel assembly is provided with a material pressing driven wheel and a material pressing driving wheel, and the bending wheel is arranged around the bending wheel assembly;
the winding processing means: controlling the pressing wheel assembly to move along the profile conveying direction, wherein the pressing driving wheel is opposite to the forming wheel; adjusting the angle of circular motion around the bending wheel and the displacement in the connecting line direction between the center of the bending wheel and the center of the forming wheel, and controlling the profile conveyed by the bending wheel in an adhering way, so that the profile is wound into a forming wheel to rotate and bend, and forming the curvature radius of the profile is realized;
the push bending processing means: controlling the pressing wheel assembly to move along the profile conveying direction, wherein the pressing driving wheel is opposite to the forming wheel; according to the curvature of the profile, adjusting the angle of circular motion around the bending wheel and the displacement in the direction of the connecting line between the center of the bending wheel and the center of the forming wheel; controlling the forming wheel to rotate, and rotating and bending the profile between the forming wheel and the winding wheel in the profile pushing process to realize profile curvature radius forming;
The rolling bending processing means: controlling the pressing driving wheel to move along the profile conveying direction, wherein the pressing driving wheel is opposite to the forming wheel; according to the curvature of the profile processing and forming, adjusting the angle of circular motion around the bending wheel and the displacement in the direction of the connecting line between the center of the bending wheel and the center of the forming wheel; the forming wheel is controlled to rotate, and the material pressing driven wheel is controlled to horizontally move along the vertical direction of the profile conveying direction and the profile conveying direction, so that the material pressing driven wheel, the forming wheel and the bending winding wheel interact to roll and bend the conveyed profile on the profile, and the profile curvature radius forming is realized.
2. The method for bending a profile with variable curvature according to claim 1, characterized in that: when the forming wheel is set to be elliptical or special-shaped, the method further comprises the step of carrying out secondary bending shaping processing on the profile which is bent through pushing bending processing;
the secondary bending and shaping processing steps are as follows: setting a motion parameter of a winding wheel and a motion parameter of a pressing wheel assembly according to the curvature of the profile molding; the motion parameters of the winding wheel are as follows: the angle of circular motion around the bending wheel corresponding to the wheel rotation track of the forming wheel and the displacement in the connecting line direction between the center of the bending wheel and the center of the forming wheel; the motion parameters of the material pressing wheel assembly are as follows: the displacement of the material pressing driving wheel and the material pressing driven wheel corresponding to the rotation track of the forming wheel; the forming wheel is controlled to rotate, the bending wheel is controlled to move according to the set motion parameters of the bending wheel, the material pressing driving wheel and the material pressing driven wheel are controlled to move according to the set motion parameters of the material pressing wheel assembly, the material pressing driven wheel, the forming wheel and the bending wheel interact on the section bar which is just processed to carry out rolling bending processing, and secondary bending shaping processing on the section bar is realized.
3. The method for bending a profile with variable curvature according to claim 1, characterized in that: when the forming wheel is arranged into a round shape, the method further comprises the step of carrying out secondary bending shaping processing on the profile which is bent through pushing bending processing; the secondary bending and shaping processing steps are as follows: controlling the pressing driving wheel to move along the profile conveying direction, wherein the pressing driving wheel is opposite to the forming wheel; according to the curvature of the profile processing and forming, adjusting the angle of circular motion around the bending wheel and the displacement in the direction of the connecting line between the center of the bending wheel and the center of the forming wheel; the forming wheel is controlled to rotate, and the material pressing driven wheel is controlled to horizontally move along the vertical direction of the profile conveying direction and the profile conveying direction, so that the material pressing driven wheel, the forming wheel and the bending wheel interact to perform rolling bending processing on the profile which is just processed, and secondary bending shaping processing on the profile is realized.
4. The utility model provides a bending mechanism of section bar variable curvature which characterized in that: comprises a headstock, a pressing wheel assembly, a winding wheel assembly and a forming wheel assembly provided with a forming wheel; the molding wheel assembly is arranged on the headstock, and the molding wheel is a driving wheel; the material pressing wheel assembly is arranged on the headstock and can horizontally move along the profile conveying direction and the vertical direction of the profile conveying direction; the bending wheel assembly is arranged on the headstock and can do circular motion by taking the center of the forming wheel as the circle center, and the bending wheel assembly can move along the connecting line direction of the center of the bending wheel assembly and the center of the forming wheel; the positions among the forming wheel, the material pressing wheel assembly and the winding wheel assembly are used as profile bending stations; during working, one-time processing of variable-curvature bending of the profile is realized by adjusting the positions of the winding wheel assembly and the material pressing wheel assembly relative to the forming wheel and controlling the rotation or stop of the forming wheel;
The forming wheel is a round forming wheel, an oval forming wheel or a special-shaped wheel;
when setting up the shaping wheel into oval or dysmorphism, through adjusting around the position of bending wheel subassembly and swager subassembly for the shaping wheel to and control the rotation or the stop of shaping wheel, realize carrying out the disposable processing that the variable curvature was crooked to the section bar that conveys to the section bar crooked station on same operation platform means: the bending, push bending or rolling bending of the profile is realized by adjusting the positions of the bending wheel assembly and the material pressing wheel assembly relative to the forming wheel and controlling the rotation or stop of the forming wheel, and one-time processing of variable curvature bending of the profile conveyed to the profile bending station on the same operation platform is realized by adopting one of the processing technologies or adopting any combination of the processing technologies;
the position of the winding wheel assembly and the material pressing wheel assembly relative to the forming wheel is adjusted: controlling the pressing wheel assembly to horizontally move along the profile conveying direction and the vertical direction of the profile conveying direction so as to adjust the position of the pressing wheel assembly relative to the forming wheel; the winding wheel component is controlled to do circular motion by taking the center of the forming wheel as the center of the circle, and the winding wheel component is controlled to move along the connecting line direction of the center of the winding wheel component and the center of the forming wheel so as to adjust the position of the winding wheel component relative to the forming wheel;
The material pressing wheel assembly is provided with a material pressing driven wheel and a material pressing driving wheel, and the bending wheel is arranged around the bending wheel assembly;
the winding processing means: controlling the pressing wheel assembly to move along the profile conveying direction, wherein the pressing driving wheel is opposite to the forming wheel; according to the curvature of the profile molding, controlling the molding wheel to rotate to turn to a corresponding bending radius, stopping rotating, adjusting the angle of circular motion around the bending wheel and the displacement in the connecting line direction between the center of the bending wheel and the center of the molding wheel, and controlling the bending wheel to cling to the transferred profile, so that the profile is wound into the molding wheel to bend, and the curvature radius molding of the profile is realized;
the push bending processing means: setting a motion parameter of a winding wheel and a motion parameter of a pressing wheel assembly according to the curvature of the profile molding; the motion parameters of the winding wheel are as follows: the angle of circular motion around the bending wheel corresponding to the wheel rotation track of the forming wheel and the displacement in the connecting line direction between the center of the bending wheel and the center of the forming wheel; the motion parameters of the material pressing wheel assembly are as follows: the displacement of the material pressing driving wheel and the material pressing driven wheel corresponding to the rotation track of the forming wheel; controlling the forming wheel to rotate, controlling the bending wheel to move according to the set motion parameters of the bending wheel in the pushing process of the profile, controlling the pressing driving wheel and the pressing driven wheel to move according to the set motion parameters of the pressing wheel assembly, and rotating and bending the profile between the forming wheel and the bending wheel to realize the forming of the curvature radius of the profile;
The rolling bending processing means: setting a motion parameter of a winding wheel and a motion parameter of a pressing wheel assembly according to the curvature of the profile molding; the motion parameters of the winding wheel are as follows: the angle of circular motion around the bending wheel corresponding to the wheel rotation track of the forming wheel and the displacement in the connecting line direction between the center of the bending wheel and the center of the forming wheel; the motion parameters of the material pressing wheel assembly are as follows: the displacement of the material pressing driving wheel and the material pressing driven wheel corresponding to the rotation track of the forming wheel; controlling the forming wheel to rotate, controlling the bending wheel to move according to the set motion parameters of the bending wheel, controlling the pressing driving wheel and the pressing driven wheel to move according to the set motion parameters of the pressing wheel assembly, enabling the pressing driven wheel, the forming wheel and the bending wheel to interact on the profile to roll and bend the transmitted profile, and forming the curvature radius of the profile;
when setting up the shaping wheel into circularly, through adjusting around the position of bending wheel subassembly and swager subassembly for the shaping wheel to and control the rotation or the stop of shaping wheel, realize carrying out the disposable processing that the variable curvature was crooked to the section bar that conveys to the section bar bending station on same operation platform means: the bending, push bending or rolling bending of the profile is realized by adjusting the positions of the bending wheel assembly and the material pressing wheel assembly relative to the forming wheel and controlling the rotation or stop of the forming wheel, and the one-time processing of variable curvature bending of the profile conveyed to the profile bending station on the same operation platform is realized by adopting the combination of push bending, rolling bending or any processing technology;
The position of the winding wheel assembly and the material pressing wheel assembly relative to the forming wheel is adjusted: controlling the pressing wheel assembly to horizontally move along the profile conveying direction and the vertical direction of the profile conveying direction so as to adjust the position of the pressing wheel assembly relative to the forming wheel; the winding wheel component is controlled to do circular motion by taking the center of the forming wheel as the center of the circle, and the winding wheel component is controlled to move along the connecting line direction of the center of the winding wheel component and the center of the forming wheel so as to adjust the position of the winding wheel component relative to the forming wheel;
the material pressing wheel assembly is provided with a material pressing driven wheel and a material pressing driving wheel, and the bending wheel is arranged around the bending wheel assembly;
the winding processing means: controlling the pressing wheel assembly to move along the profile conveying direction, wherein the pressing driving wheel is opposite to the forming wheel; adjusting the angle of circular motion around the bending wheel and the displacement in the connecting line direction between the center of the bending wheel and the center of the forming wheel, and controlling the profile conveyed by the bending wheel in an adhering way, so that the profile is wound into a forming wheel to rotate and bend, and forming the curvature radius of the profile is realized;
the push bending processing means: controlling the pressing wheel assembly to move along the profile conveying direction, wherein the pressing driving wheel is opposite to the forming wheel; according to the curvature of the profile, adjusting the angle of circular motion around the bending wheel and the displacement in the direction of the connecting line between the center of the bending wheel and the center of the forming wheel; controlling the forming wheel to rotate, and rotating and bending the profile between the forming wheel and the winding wheel in the profile pushing process to realize profile curvature radius forming;
The rolling bending processing means: controlling the pressing driving wheel to move along the profile conveying direction, wherein the pressing driving wheel is opposite to the forming wheel; according to the curvature of the profile processing and forming, adjusting the angle of circular motion around the bending wheel and the displacement in the direction of the connecting line between the center of the bending wheel and the center of the forming wheel; the forming wheel is controlled to rotate, and the material pressing driven wheel is controlled to horizontally move along the vertical direction of the profile conveying direction and the profile conveying direction, so that the material pressing driven wheel, the forming wheel and the bending winding wheel interact to roll and bend the conveyed profile on the profile, and the profile curvature radius forming is realized.
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