CN112621250A - Titanium alloy multi-curved surface forming device and forming method - Google Patents
Titanium alloy multi-curved surface forming device and forming method Download PDFInfo
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- CN112621250A CN112621250A CN202110070787.9A CN202110070787A CN112621250A CN 112621250 A CN112621250 A CN 112621250A CN 202110070787 A CN202110070787 A CN 202110070787A CN 112621250 A CN112621250 A CN 112621250A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/04—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass for both machining and other metal-working operations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/16—Heating or cooling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B49/00—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation
- B24B49/02—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation according to the instantaneous size and required size of the workpiece acted upon, the measuring or gauging being continuous or intermittent
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Abstract
The invention discloses a titanium alloy multi-curved surface forming device and a forming method, wherein the titanium alloy multi-curved surface forming device comprises a die box mechanism and a composite processing mechanism, and further comprises a processing box, a slide rail, a supporting seat, a grinding mechanism and a heating roller; the titanium alloy plate is processed by sanding and heating in a compounding manner, so that the deformability of the bending line of the titanium alloy plate can be improved when the upper pressing die and the lower pressing die are used for stamping, the two sides of the bending line of the titanium alloy plate are bent smoothly, the pressure required by stamping is small, the heating temperature is relatively low, the forming time of the titanium alloy plate is shortened, the forming precision is high, the forming interval is large, the forming quality is improved, the sanding mechanism can accurately control the middle depth of the sanding part according to the parameters such as the thickness of the forming plate, the bending angle and the radius of the inner side surface of the bending, the forming precision of the forming plate is enhanced, the width of the sanding part can be accurately controlled according to the parameters such as the radius of the inner side surface of the bending and the depth of the middle of the sanding part.
Description
Technical Field
The invention relates to the technical field of forming dies, in particular to a titanium alloy multi-curved surface forming device and a forming method.
Background
The titanium alloy has the advantages of high temperature resistance, corrosion resistance, small specific strength, good comprehensive mechanical property and the like, and is widely applied to various fields of automobiles, aerospace, medicines, ships, chemical engineering and the like. The titanium alloy has high strength, large anisotropy index, high unit forming pressure, small elastic modulus, large resilience, low stability under pressure, about 50 percent of that of a common material, easy and stable wrinkling and poor bending capability which is only 20 percent of that of the common material. Therefore, the research on the forming technology of the high-strength titanium alloy has very important significance on the use and popularization of the titanium alloy;
at present, the existing titanium alloy multi-curved-surface plate forming modes mainly include the following modes: one method is cold forming, namely, the titanium alloy plate is pressed and formed by special equipment or a die at normal temperature; and the second step is thermal forming, namely, the titanium alloy plate is heated to a temperature higher than the recrystallization temperature and is kept warm for a certain time, so that the titanium alloy plate is pressed and formed by special equipment or a die after the temperature is relatively uniform. However, the forming precision of cold press forming is poor, the forming interval is small, and hot press forming has higher requirements on a heating device and forming equipment and higher cost, so the invention provides a titanium alloy multi-curved surface forming device and a forming method to solve the problems in the prior art.
Disclosure of Invention
In view of the above problems, an object of the present invention is to provide a titanium alloy multi-curved surface forming apparatus and a forming method, in which a titanium alloy sheet is processed by sanding and heating, so as to improve the deformability of the bending line of the titanium alloy sheet when the upper and lower pressing molds are pressed, thereby not only allowing smooth bending of both sides of the bending line of the titanium alloy sheet, but also allowing for a reduction in the pressing pressure and the heating temperature, thereby shortening the forming time of the titanium alloy sheet, achieving a high forming accuracy and a large forming interval, and improving the forming quality, and the sanding mechanism can precisely control the middle depth of the sanding member according to the thickness, the bending angle, the radius of the inner side surface to be bent, and the sanding width of the sanding member according to the parameters such as the radius of the inner side surface to be bent, the middle depth of the sanding member, and the like, further enhancing the precision of the forming of the formed panel.
In order to realize the purpose of the invention, the invention is realized by the following technical scheme: a titanium alloy multi-curved surface forming device comprises a die box mechanism and a composite processing mechanism, wherein the die box mechanism comprises a main box body, an outer inlet, a clamping mechanism, a pressing oil cylinder, a die plate and a pressing die, an outer inlet is arranged on one side of the main box body, a clamping mechanism is arranged on the inner side of the outer inlet, pressing oil cylinders are arranged on the upper side and the lower side in the main box body, the telescopic end of the pressing oil cylinder is provided with a mould plate, the mould plate is provided with a pressing mould, the composite processing mechanism comprises a telescopic cylinder, a processing box, an inner inlet, a slide rail, a supporting seat, a grinding mechanism and a heating roller, a processing box is fixedly arranged outside the other side of the main box body through a telescopic cylinder, an inner inlet is arranged on one side of the processing box, the processing box is internally provided with a slide rail and a supporting seat in a vertical side symmetry mode, the slide rail is connected with a grinding mechanism in a sliding mode, and the supporting seat is provided with a heating roller.
The further improvement lies in that: the clamping mechanism comprises a guide compression roller, guide posts, a matching through groove and a sliding clamping block, the guide compression roller is arranged on the upper side and the lower side of the outer inlet, the guide posts are symmetrically arranged on the side walls of four sides in the box body, the matching through groove is symmetrically arranged on the side edges of the die plates, and the sliding clamping block is symmetrically arranged on the guide post on one side of the outer inlet and is positioned between the die plates.
The further improvement lies in that: the sanding mechanism comprises a driving sliding seat, a telescopic seat, a rotating telescopic rod and a semicircular sanding knife, the driving sliding seat is arranged on the sliding rail, the telescopic seat is fixedly arranged on the driving sliding seat, the rotating telescopic rod is arranged on the telescopic seat, and the semicircular sanding knife is arranged on the rotating telescopic rod.
The further improvement lies in that: the telescopic handle symmetry of rotating is equipped with the multiunit, the multiunit the semicircle dull polish sword radius variation in size that corresponds on the telescopic handle of rotating, flexible seat drive multiunit the telescopic handle of rotating independently stretches out and draws back.
The further improvement lies in that: the outer inlet and the inner inlet are arranged on the same side, the supporting seat on the upper side of the treatment box is symmetrically arranged on two sides of the sliding rail, the sliding rail on the lower side is symmetrically arranged on two sides of the supporting seat, and the sliding rail and the supporting seat are correspondingly arranged with a bending line on the press-fit die.
A titanium alloy multi-curved surface forming method is characterized by comprising the following steps:
inserting a titanium alloy plate to be molded into an inner inlet from an outer inlet, and performing sanding treatment on the concave side of a bending line corresponding to the titanium alloy plate along the track direction of the bending line by using a sanding mechanism;
secondly, after the grinding treatment, heating treatment is carried out on the convex side of the bending line corresponding to the titanium alloy plate along the track direction of the bending line by using a heating roller;
and step three, after the grinding treatment and the heating treatment, the composite treatment mechanism is withdrawn from the main box body, and then the upper and lower groups of pressing oil cylinders are used for driving a pressing mould to punch and form the titanium alloy plate.
The further improvement lies in that: the sanding treatment in the first step is arc-shaped sanding treatment, the sanding depth is calculated by a formula I, and the chord length width of the sanding is calculated by a formula II:
wherein H is the depth of the middle part of the frosting, H is the thickness of the formed plate, degree theta is the bending angle, R is the radius of the inner side surface of the bending line, and D is the chord length width of the frosting.
The invention has the beneficial effects that: the titanium alloy plate is processed by sanding and heating in a compounding manner, so that the deformability of the bending line of the titanium alloy plate can be improved when the upper pressing die and the lower pressing die are used for stamping, the two sides of the bending line of the titanium alloy plate are bent smoothly, the pressure required by stamping is small, the heating temperature is relatively low, the forming time of the titanium alloy plate is shortened, the forming precision is high, the forming interval is large, the forming quality is improved, the sanding mechanism can accurately control the middle depth of the sanding part according to the parameters such as the thickness of the forming plate, the bending angle and the radius of the inner side surface of the bending, the forming precision of the forming plate is enhanced, the width of the sanding part can be accurately controlled according to the parameters such as the radius of the inner side surface of the bending and the depth of the middle of the sanding part.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of the overall structure of the present invention.
FIG. 2 is a sectional view showing the internal structure of the main body of the present invention.
FIG. 3 is a sectional view showing the internal structure of the treatment tank of the present invention.
Fig. 4 is a schematic view of a sanding mechanism according to the present disclosure.
FIG. 5 is a flow chart of the forming process of the present invention.
Wherein: 1. a main box body; 2. an outer inlet; 3. pressing the oil cylinder; 4. a mold plate; 5. pressing a mold; 6. a telescopic cylinder; 7. a treatment tank; 8. an inner inlet; 9. a slide rail; 10. a supporting seat; 11. a heating roller; 12. a guide press roll; 13. a guide post; 14. matching with the through groove; 15. a sliding clamping block; 16. driving the slide; 17. a telescopic base; 18. rotating the telescopic rod; 19. semicircle sanding cutter.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," "fourth," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
According to the drawings of fig. 1, 2, 3, 4 and 5, the embodiment provides a titanium alloy multi-curved surface forming device, which comprises a die box mechanism and a composite processing mechanism, wherein the die box mechanism comprises a main box body 1, an outer inlet 2, a clamping mechanism, a pressing oil cylinder 3, a die plate 4 and a pressing die 5, the outer inlet 2 is arranged at one side of the main box body 1, the clamping mechanism is arranged at the inner side of the outer inlet 2, the pressing oil cylinders 3 are arranged at the upper side and the lower side inside the main box body 1, the die plate 4 is arranged at the telescopic end of the pressing oil cylinder 3, the pressing die 5 is arranged on the die plate 4, the composite processing mechanism comprises a telescopic cylinder 6, a processing box 7, an inner inlet 8, a slide rail 9, a support seat 10, a sanding mechanism and a heating roller 11, the processing box 7 is arranged at the outer side of the main box body 1 through the telescopic cylinder 6, handle the interior bilateral symmetry of case 7 and be equipped with slide rail 9 and supporting seat 10, sliding connection has dull polish mechanism on slide rail 9, be equipped with warming mill 11 on the supporting seat 10.
Clamping mechanism includes direction compression roller 12, guide post 13, the logical groove 14 of cooperation and slip clamp splice 15, the side is equipped with direction compression roller 12 about the outer 2 of imports, the symmetry is equipped with guide post 13 on the inside four sides lateral wall of main tank 1, 4 side symmetries of mould board are equipped with the logical groove 14 of cooperation, the symmetry is equipped with slip clamp splice 15 and is located two sets of on the guide post 13 of outer 2 one sides of imports between the mould board 4.
The sanding mechanism comprises a driving sliding seat 16, a telescopic seat 17, a rotating telescopic rod 18 and a semicircular sanding knife 19, the driving sliding seat 16 is arranged on the sliding rail 9, the telescopic seat 17 is fixedly arranged on the driving sliding seat 16, the rotating telescopic rod 18 is arranged on the telescopic seat 17, and the semicircular sanding knife 19 is arranged on the rotating telescopic rod 18.
The rotating telescopic rods 18 are symmetrically provided with a plurality of groups, the radius of the corresponding semicircular sanding cutters 19 on the plurality of groups of rotating telescopic rods 18 is different, and the telescopic seats 17 drive the plurality of groups of rotating telescopic rods 18 to independently stretch.
A titanium alloy multi-curved surface forming method is characterized by comprising the following steps:
inserting a titanium alloy plate to be molded into an inner inlet 8 from an outer inlet 2, and performing sanding treatment on the concave side of a bending line corresponding to the titanium alloy plate along the track direction of the bending line by using a sanding mechanism;
secondly, after the grinding treatment, heating treatment is carried out on the outer convex side of the bending line corresponding to the titanium alloy plate along the track direction of the bending line by using a heating roller 11;
and step three, after the grinding treatment and the heating treatment, the composite treatment mechanism is withdrawn from the main box body 1, and then the upper and lower groups of pressing oil cylinders 3 are utilized to drive a pressing mould 5 to punch and form the titanium alloy plate.
The grinding treatment in the first step is arc grinding treatment, the grinding depth is calculated by a formula I, the chord length width of the grinding is calculated by a formula II,
wherein H is the depth of the middle part of the frosting, H is the thickness of the formed plate, degree theta is the bending angle, R is the radius of the inner side surface of the bending line, and D is the chord length width of the frosting.
According to the titanium alloy multi-curved surface forming device and the forming method, the titanium alloy plate is subjected to composite treatment through grinding and heating, the deformability of the bending line of the titanium alloy plate can be improved when the upper pressing die and the lower pressing die are used for stamping, not only can the two sides of the bending line of the titanium alloy plate be bent smoothly, but also the required stamping pressure is low, the heating temperature is relatively low, the forming and processing time of the titanium alloy plate is shortened, the forming precision is high, the forming interval is large, the forming and processing quality is improved, meanwhile, the middle depth of the grinding part can be accurately controlled by the grinding mechanism according to the parameters such as the thickness of the forming plate, the bending angle and the radius of the inner side surface of the bending part, the forming precision of the forming plate is enhanced, the grinding width of the grinding part can be accurately controlled according to the parameters.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. A titanium alloy multi-curved surface forming device is characterized in that: the die box comprises a die box mechanism and a composite processing mechanism, wherein the die box mechanism comprises a main box body (1), an outer inlet (2), a clamping mechanism, a pressing oil cylinder (3), a die plate (4) and a pressing die (5), the outer inlet (2) is arranged on one side of the main box body (1), the clamping mechanism is arranged on the inner side of the outer inlet (2), the pressing oil cylinder (3) is arranged on the upper and lower sides in the main box body (1), the die plate (4) is arranged at the telescopic end of the pressing oil cylinder (3), the pressing die (5) is arranged on the die plate (4), the composite processing mechanism comprises a telescopic cylinder (6), a processing box (7), an inner inlet (8), a sliding rail (9), a supporting seat (10), a sanding mechanism and a heating roller (11), the processing box (7) is arranged outside the other side of the main box body (1) through the telescopic cylinder (6), the inner inlet (8) is arranged on, handle case (7) interior upper and lower lateral symmetry and be equipped with slide rail (9) and supporting seat (10), sliding connection has dull polish mechanism on slide rail (9), be equipped with on supporting seat (10) and heat roller (11).
2. The titanium alloy multi-curved surface forming device according to claim 1, wherein: clamping mechanism leads to groove (14) and slip clamp splice (15) including direction compression roller (12), guide post (13), cooperation, the side is equipped with direction compression roller (12) about outer import (2), the symmetry is equipped with guide post (13) on the inside four sides lateral wall of main tank body (1), mould board (4) side symmetry is equipped with cooperation and leads to groove (14), the symmetry is equipped with slip clamp splice (15) and is located two sets ofly on guide post (13) of outer import (2) one side between mould board (4).
3. The titanium alloy multi-curved surface forming device according to claim 1, wherein: the dull polish mechanism includes drive slide (16), flexible seat (17), rotates telescopic link (18) and semicircle dull polish sword (19), be equipped with drive slide (16) on slide rail (9), drive slide (16) are gone up to fix and are equipped with flexible seat (17), be equipped with on flexible seat (17) and rotate telescopic link (18), be equipped with semicircle dull polish sword (19) on rotating telescopic link (18).
4. The titanium alloy multiple-curved surface forming device according to claim 3, wherein: the rotary telescopic rod (18) is symmetrically provided with a plurality of groups, the radius of the corresponding semicircular sanding cutters (19) on the rotary telescopic rod (18) is different in size, and the telescopic seat (17) drives the plurality of groups of rotary telescopic rods (18) to independently stretch.
5. The titanium alloy multi-curved surface forming device according to claim 1, wherein: outer import (2) and interior import (8) homonymy set up, handle supporting seat (10) symmetry setting of case (7) upside in slide rail (9) both sides, slide rail (9) symmetry setting of downside is in supporting seat (10) both sides, bend line on slide rail (9) and supporting seat (10) and compression mold (5) corresponds the setting.
6. A titanium alloy multi-curved surface forming method is characterized by comprising the following steps:
inserting a titanium alloy plate to be molded into an inner inlet (8) from an outer inlet (2), and performing sanding treatment on the concave side of a bending line corresponding to the titanium alloy plate along the track direction of the bending line by using a sanding mechanism;
secondly, after the grinding treatment, heating treatment is carried out on the outer convex side of the bending line corresponding to the titanium alloy plate along the track direction of the bending line by using a heating roller (11);
and step three, after the grinding treatment and the heating treatment, the composite treatment mechanism is withdrawn from the main box body (1), and then an upper group and a lower group of pressing oil cylinders (3) are utilized to drive a pressing mould (5) to punch and form the titanium alloy plate.
7. The titanium alloy multi-curved surface forming device and the forming method according to claim 6, wherein: the sanding treatment in the first step is arc-shaped sanding treatment, the sanding depth is calculated by a formula I, and the chord length width of the sanding is calculated by a formula II:
wherein H is the depth of the middle part of the frosting, H is the thickness of the formed plate, degree theta is the bending angle, R is the radius of the inner side surface of the bending line, and D is the chord length width of the frosting.
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| CN110900218A (en) * | 2019-12-13 | 2020-03-24 | 江苏东科复合材料有限公司 | Carbon fiber automobile engine hood preparation is with punching press, polishing, application integrated device |
| CN111872797A (en) * | 2020-08-13 | 2020-11-03 | 太仓昌鑫船舶机械有限公司 | Generator valve seat ring processingequipment |
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2021
- 2021-01-19 CN CN202110070787.9A patent/CN112621250B/en active Active
Patent Citations (6)
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| CN202705219U (en) * | 2012-07-24 | 2013-01-30 | 深圳市三鑫精美特玻璃有限公司 | Compression molding equipment for multi-curved surface inorganic glass |
| CN104786010A (en) * | 2014-01-21 | 2015-07-22 | 无锡市前洲西塘锻压有限公司 | Manufacturing method for nickel composite board end sockets |
| CN207430991U (en) * | 2017-11-28 | 2018-06-01 | 金华市德晟模具有限公司 | A kind of press molding equipment for automobile longitudinal girder flange |
| CN208945006U (en) * | 2018-10-15 | 2019-06-07 | 苏州定发精密模具有限公司 | A kind of cylinder cover of automobile engine gasket flanging die |
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Effective date of registration: 20230727 Address after: 230000 floor 1, building 2, phase I, e-commerce Park, Jinggang Road, Shushan Economic Development Zone, Hefei City, Anhui Province Patentee after: Dragon totem Technology (Hefei) Co.,Ltd. Address before: No.1 Xijing Road, Chang'an District, Xi'an City, Shaanxi Province 710100 Patentee before: XIJING University Effective date of registration: 20230727 Address after: 721000 Gaoya Industrial Park, Bayu Town, high tech Development Zone, Baoji City, Shaanxi Province Patentee after: Baoji juxinyuan New Material Co.,Ltd. Address before: 230000 floor 1, building 2, phase I, e-commerce Park, Jinggang Road, Shushan Economic Development Zone, Hefei City, Anhui Province Patentee before: Dragon totem Technology (Hefei) Co.,Ltd. |
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