Low-temperature creep forming method for high-strength high-toughness aluminum alloy ribbed integral wallboard by explorator

文档序号:1945225 发布日期:2021-12-10 浏览:16次 中文

阅读说明:本技术 高强高韧铝合金带筋整体壁板靠模低温蠕变成型方法 (Low-temperature creep forming method for high-strength high-toughness aluminum alloy ribbed integral wallboard by explorator ) 是由 何建伟 陆政 樊振中 许晨玲 于 2021-09-14 设计创作,主要内容包括:本发明涉及铝合金成型和加工技术领域,且公开了高强高韧铝合金带筋整体壁板靠模低温蠕变成型方法,包括底座,所述底座上表面的两侧均固定连接有调节机构。该高强高韧铝合金带筋整体壁板靠模低温蠕变成型方法,通过连接块、支撑板、T型槽、螺纹杆、固定螺帽、弧形板、壁板和钢带等结构的设置,将壁板沿着T型槽卡接于弧形板的表面可以使壁板围绕成弧形,使其进行初步固定,然后通过钢带对壁板进行绑紧固定,同时将压合机构上的搭块卡接于相邻弧形板的内侧,并使其压合于壁板的边缘处,转动螺纹环,使固定板紧贴于壁板的表面,进而可以进一步的对壁板进行固定,使其在热处理过程中成型效果更好。(The invention relates to the technical field of aluminum alloy forming and processing, and discloses a high-strength high-toughness aluminum alloy ribbed integral wallboard profiling low-temperature creep forming method. This whole wallboard profiling low temperature creep forming method of high tenacity aluminum alloy band rib, through the connecting block, the backup pad, T type groove, the threaded rod, fixing nut, the arc, the setting of wallboard and steel band isotructure, can make the wallboard enclose into the arc along T type groove joint in the surface of arc, make it tentatively fix, then tie up fixedly to the wallboard through the steel band, simultaneously with the bridge joint of last laminating mechanism in the inboard of adjacent arc, and make its pressfitting in the edge of wallboard, rotate the screw ring, make the fixed plate hug closely in the surface of wallboard, and then can be further fix the wallboard, it is better to make it in heat treatment process shaping effect.)

1. High tenacity aluminium alloy area muscle whole wallboard profiling low temperature creep forming device excels in, including base (1), its characterized in that: the adjustable support is characterized in that adjusting mechanisms are fixedly connected to two sides of the upper surface of the base (1), grooves (2) are formed in two sides of the upper surface of the base (1) close to the adjusting mechanisms, slide rods (3) are fixedly connected to the insides of the grooves (2), connecting blocks (4) are slidably connected to the surfaces of the slide rods (3), supporting plates (5) are fixedly connected to the surfaces of the connecting blocks (4) through bolts, T-shaped grooves (6) are formed in the surfaces of the supporting plates (5), five supporting plates (5) are provided, threaded rods (7) are connected to the surfaces of the five supporting plates (5) through common threads, fixing nuts (8) are connected to the surfaces of the threaded rods (7) close to the supporting plates (5) through common threads, arc plates (9) are fixedly connected to the surfaces of the supporting plates (5) through the T-shaped grooves (6), wall plates (10) are clamped to the surfaces of the arc plates (9) through the T-shaped grooves (6), the surface of the wall plate (10) is fixedly connected with a pressing mechanism used for pressing and fixing the edge of the wall plate (10), and a steel belt (11) is wound on the surface of the wall plate (10).

2. The high-strength high-toughness aluminum alloy ribbed integral wall plate profiling low-temperature creep forming device according to claim 1, characterized in that: the adjusting mechanism comprises a shell (12) fixedly connected to the upper surface of the base (1), and a motor (13) is fixedly mounted on one side of the shell (12).

3. The high-strength high-toughness aluminum alloy ribbed integral wall plate profiling low-temperature creep forming device according to claim 2, characterized in that: the output end of the motor (13) is fixedly connected with a first screw rod (14), and the surface of the first screw rod (14) is in threaded connection with a movable block (15).

4. The high-strength high-toughness aluminum alloy ribbed integral wall plate profiling low-temperature creep forming device according to claim 3, characterized in that: the inside of the movable block (15) is horizontally connected with a movable plate (16) in a vertical sliding mode through a sliding groove, and a clamping block (17) is fixedly connected to the lower surface of the movable plate (16).

5. The high-strength high-toughness aluminum alloy ribbed integral wall plate profiling low-temperature creep forming device according to claim 4, characterized in that: the inner bottom wall of the movable block (15) is fixedly connected with a spring (18), and one end of the spring (18) is fixedly connected to the lower surface of the movable plate (16).

6. The high-strength high-toughness aluminum alloy ribbed integral wall plate profiling low-temperature creep forming device according to claim 1, characterized in that: the pressing mechanism comprises a block (19) which is clamped on the inner side of the arc-shaped plate (9), the surface of the block (19) is fixedly connected with a second lead screw (20), a fixing plate (21) is sleeved on the surface of the second lead screw (20) in a sliding mode, and the surface of the second lead screw (20) close to the fixing plate (21) is in threaded connection with a threaded ring (22).

7. A profiling low-temperature creep forming method for a high-strength high-toughness aluminum alloy ribbed integral wallboard according to any one of claims 1 to 6, characterized by comprising the following steps of: the operation method comprises the following steps;

s1): before the use, the support plate (5) is lapped on the surface of the slide rod (3) through the connecting block (4), the clamping block (17) is pulled upwards to be clamped on the surface of the connecting block (4), the starting motor (13) drives the first screw rod (14) to rotate, the first screw rod (14) rotates to drive the support plate (5) to horizontally move through the connecting block (4), and the distance between the support plates (5) is reasonably adjusted through the actual size of the wall plate (10);

s11): the arc-shaped plates (9) are fixed on the support plate (5) close to the surface of the T-shaped groove (6) in an annular array form, so that the installation and adjustment of the tool are completed;

s2): when the novel steel plate fixing device is used, the wall plate (10) is clamped on the surface of the arc-shaped plate (9) along the T-shaped groove (6), and the wall plate (10) is preliminarily bound and fixed through the steel belt (11);

s21): clamping a lapping block (19) on the pressing mechanism on the inner side of the adjacent arc-shaped plate (9), pressing the lapping block on the edge of the wall plate (10), and rotating the threaded ring (22), so that the fixing plate (21) can be tightly attached to the surface of the wall plate (10), and the wall plate (10) is fixed;

s22): and then carrying out high-temperature profiling creep forming on the wall plate (10) after being bound and fixed.

Technical Field

The invention relates to the technical field of aluminum alloy forming and processing, in particular to a high-strength high-toughness aluminum alloy ribbed integral wallboard profiling low-temperature creep forming method.

Background

The metal processing is called gold worker for short, it refers to the production activity of human beings for processing metal material with metal property formed by metal element or metal element as main component, it is a technological technique for processing metal material into article, part and component, it includes large-scale parts of bridge and ship, etc. and even fine components of engine, jewel and wrist watch, it is extensively used in different fields of science, industry, art work and handicraft, the progress of human society and processing and application of metal material are closely related, the brass is smelted in more than six thousand years ago, it can make simple bronze tool in more than four thousand years ago, it starts to make weapon with siderite in more than three thousand years ago, Chinese can smelt pig iron in spring and autumn two thousand five hundred years ago, more than one thousand hundred years earlier than Europe, 18 century, the development of industry, important content and substance base integral ribbed wallboard which becomes industrial revolution can be made of various typical aging aluminum alloy, the aluminum alloy integral extruded wallboard has high specific strength, high specific rigidity and good processability, various extruded aluminum alloy integral extruded wallboards are applied to various front-edge fields such as aerospace, ship manufacturing and the like, and the traditional production modes of the prior ribbed integral wallboard for the aerospace ship have two types: the wall plate to be reinforced is formed by a machining or energy conversion method, and the ribbed plate is formed by a riveting welding method.

The fixing effect of a common ribbed wallboard is poor when the ribbed wallboard is subjected to heat treatment, so that the condition that the size of the ribbed wallboard deviates due to the fact that the ribbed wallboard is not attached to a tool in place easily in the heat treatment process is caused, the traditional integral wallboard is rarely a complete flat plate during use and generally needs to be used after forming according to requirements, for example, a streamline wallboard is needed for ship installation, a rocket tube needs an arc wallboard, most of the traditional forming methods are mechanical deformation, bending cold deformation and high-temperature creep forming, the method can damage the high-strength and high-toughness performance of the ribbed wallboard at high toughness, and the high-strength aluminum alloy ribbed integral wallboard profiling low-temperature creep forming method is provided.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a profiling low-temperature creep forming method for a high-strength high-toughness aluminum alloy ribbed integral wallboard, which has the advantages of good forming effect of the ribbed wallboard and the like, and solves the problem of poor forming effect of the ribbed wallboard caused by a traditional device.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: the profiling low-temperature creep forming device comprises a base, wherein adjusting mechanisms are fixedly connected to two sides of the upper surface of the base, grooves are formed in two sides of the upper surface of the base, which are close to the adjusting mechanisms, slide rods are fixedly connected to the insides of the grooves, connecting blocks are connected to the surfaces of the slide rods in a sliding manner, supporting plates are fixedly connected to the surfaces of the connecting blocks through bolts, T-shaped grooves are formed in the surfaces of the supporting plates, the number of the supporting plates is five, threaded rods are connected to the surfaces of the five supporting plates through common threads, fixing nuts are connected to the surfaces of the threaded rods, which are close to the supporting plates through common threads, arc-shaped plates are fixedly connected to the surfaces of the supporting plates through the T-shaped grooves, wall plates are clamped to the surfaces of the arc-shaped plates through the T-shaped grooves, and pressing mechanisms for pressing and fixing the edges of the wall plates are fixedly connected to the surfaces of the wall plates, and the surface of the wallboard is wound with a steel belt.

Optionally, the adjusting mechanism includes a housing fixedly connected to the upper surface of the base, and a motor is fixedly mounted on one side of the housing.

Optionally, the output end of the motor is fixedly connected with a first lead screw, and the surface of the first lead screw is in threaded connection with a movable block.

Optionally, the movable block is horizontally connected with a movable plate in an up-and-down sliding manner through a sliding groove, and a clamping block is fixedly connected to the lower surface of the movable plate.

Optionally, the inner bottom wall of the movable block is fixedly connected with a spring, and one end of the spring is fixedly connected to the lower surface of the movable plate.

Optionally, the pressing mechanism comprises a block clamped on the inner side of the arc plate, the surface of the block is fixedly connected with a second lead screw, a fixed plate is sleeved on the surface of the second lead screw in a sliding mode, and the surface of the second lead screw is connected with a threaded ring close to the fixed plate through threads.

The invention provides a profiling low-temperature creep forming method of a high-strength high-toughness aluminum alloy ribbed integral wall plate, which comprises the following steps of;

s1), before use, the support plate is lapped on the surface of the slide bar through the connecting block, the clamping block is pulled upwards to be clamped on the surface of the connecting block, the starting motor drives the first screw rod to rotate, the first screw rod rotates to drive the support plate to horizontally move through the connecting block, and the distance between the plurality of support plates is reasonably adjusted through the actual size of the wall plate;

s11): the arc-shaped plates are fixed on the supporting plate close to the surface of the T-shaped groove in an annular array mode, so that the installation and adjustment of the tool are completed;

s2): when the fixing device is used, the wall plate is clamped on the surface of the arc plate along the T-shaped groove, and the wall plate is preliminarily bound and fixed through the steel belt;

s21): clamping the lapping blocks on the pressing mechanism on the inner sides of the adjacent arc-shaped plates, pressing the lapping blocks on the edges of the wall plates, and rotating the threaded ring, so that the fixing plate can be tightly attached to the surfaces of the wall plates, and the wall plates are fixed;

s22): and then carrying out high-temperature profiling creep forming on the bundled and fixed wall plate.

(III) advantageous effects

The invention provides a profiling low-temperature creep forming method for a high-strength high-toughness aluminum alloy ribbed integral wallboard, which has the following beneficial effects:

1. this whole wallboard profiling low temperature creep forming method of high tenacity aluminum alloy band rib, through the connecting block, a supporting plate, T type groove, the threaded rod, fixing nut, the arc, the setting of wallboard and steel band isotructure, can make the wallboard enclose into the arc along T type groove joint in the surface of arc, make it tentatively fix, then tie up fixedly to the wallboard through the steel band, simultaneously with the bridge joint of last laminating mechanism in the inboard of adjacent arc, and make its pressfitting in the edge of wallboard, rotate the screw ring, make the fixed plate hug closely in the surface of wallboard, and then can be further fix the wallboard, it is better to make it in heat treatment process shaping effect, wallboard shaping problem has effectively been improved and each item index parameter has been improved.

2. This whole wallboard profiling low temperature creep forming method of high strength and toughness aluminum alloy band rib, through the setting of motor, recess, slide bar, connecting block, backup pad and second lead screw isotructure, upwards stimulate the fixture block and make its joint in the surface of connecting block, the starter motor drives first lead screw and rotates, and first lead screw rotates and makes the movable block drive the backup pad and carry out horizontal slip to can carry out reasonable regulation to it according to not unidimensional wallboard, increased the application scope of this frock.

3. The profiling low-temperature creep forming method for the high-strength high-toughness aluminum alloy ribbed integral wallboard enables profiling forming to test the fixation of the shape of the wallboard on the premise of considering metal resilience allowance, the profiling creep forming utilizes the difference of thermal expansion coefficients among different metals, the thermal expansion coefficient of the aluminum alloy wallboard is larger than that of a steel strip in the heating process, the steel strip can effectively control the shape of the wallboard, the forming process of the aluminum alloy wallboard is effectively completed in the creep process, and therefore the performance of the wallboard cannot be lost in the forming process and the integral comprehensive performance of the wallboard is improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural diagram illustrating a second aspect of the present invention;

FIG. 3 is a schematic view of the disassembled structure of the present invention;

FIG. 4 is a schematic side view of the present invention;

FIG. 5 is a schematic top view of the present invention;

FIG. 6 is a schematic view of a structure of a locking mechanism according to the present invention;

FIG. 7 is an enlarged view of the structure at A in FIG. 3 according to the present invention.

In the figure: 1. a base; 2. a groove; 3. a slide bar; 4. connecting blocks; 5. a support plate; 6. a T-shaped groove; 7. a threaded rod; 8. fixing a nut; 9. an arc-shaped plate; 10. wall plates; 11. a steel belt; 12. a housing; 13. a motor; 14. a first lead screw; 15. a movable block; 16. a movable plate; 17. a clamping block; 18. a spring; 19. building blocks; 20. a second lead screw; 21. a fixing plate; 22. a threaded ring.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. 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.

Referring to fig. 1 to 7, the present invention provides a technical solution: the profiling low-temperature creep forming device comprises a base 1, wherein both sides of the upper surface of the base 1 are fixedly connected with adjusting mechanisms, both sides of the upper surface of the base 1, which are close to the adjusting mechanisms, are respectively provided with a groove 2, the inside of the groove 2 is fixedly connected with a slide rod 3, the surface of the slide rod 3 is connected with a connecting block 4 in a sliding manner, the connecting block 4 improves the stability of the support plate 5 in the sliding process, so that the support plate 5 is not easy to slide in the adjusting process, the stability is enhanced, the operation and the use of workers are facilitated, the surface of the connecting block 4 is fixedly connected with a support plate 5 through bolts, the surface of the support plate 5 is provided with T-shaped grooves 6, the T-shaped grooves 6 facilitate the clamping with a wallboard 10, the number of the support plates 5 is five, the surfaces of the five support plates 5 are jointly in threaded connection with threaded rods 7, and the surfaces of the threaded rods 7 are close to the support plates 5 and are all in threaded connection with fixing nuts 8, rotate nut 9 and make it hug closely in backup pad 5's surface, nut 9 through both sides is close to each other on same backup pad 5, thereby can carry out spacing fixed relatively to backup pad 5 on threaded rod 7, and then further improvement holistic stability when backup pad 5 uses, be favorable to the shaping of wallboard 10 then, with wallboard 10 along the surface of T type groove 6 joint in arc 9, carry out preliminary binding fixedly to wallboard 10 through steel band 11, backup pad 5's surface is close to T type groove 6 fixedly connected with arc 9, there is wallboard 10 on the surface of arc 9 through T type groove 6 joint, the fixed surface of wallboard 10 is connected with and is used for carrying out the pressfitting fixed pressfitting mechanism to wallboard 10's edge, the surface winding of wallboard 10 has steel band 11.

The adjusting mechanism comprises a shell 12 fixedly connected to the upper surface of the base 1, a motor 13 is fixedly mounted on one side of the shell 12, the motor 13 is a servo motor, the servo motor is an engine for controlling mechanical elements to operate in a servo system, the servo motor is an auxiliary motor indirect speed change device, the servo motor can control the speed, the position precision is very accurate, and a voltage signal can be converted into a torque and a rotating speed to drive a control object. The servo motor rotor speed is controlled by input signal, and can quickly respond, in the automatic control system, it is used as executive component, and has the characteristics of small electromechanical time constant, high linearity, etc., it can convert the received electric signal into angular displacement or angular speed output on the motor shaft, and is divided into two categories of DC and AC servo motors, its main characteristic is that when the signal voltage is zero, there is no autorotation phenomenon, the speed of rotation is uniformly reduced along with the increase of torque, the number of the motors 13 is two, the output end of the motor 13 is fixedly connected with the first lead screw 14, the first lead screw 14 is movably mounted on one side wall of the shell 12 through the shaft seat, the surface thread of the first lead screw 14 is connected with the movable block 15, the inside of the movable block 15 is horizontally and vertically connected with the movable plate 16 through the sliding slot, the lower surface of the movable plate 16 is fixedly connected with the fixture block 17, the inner bottom wall of the movable block 15 is fixedly connected with the spring 18, one end of a spring 18 is fixedly connected to the lower surface of the movable plate 16, and the clamping block 17 can be effectively clamped on the connecting block 4 under the elastic force action of the spring 18, so that the position adjustment of the supporting plate 4 is facilitated, and the adjustment and use under different conditions are facilitated, the pressing mechanism comprises a lapping block 19 clamped on the inner side of the arc-shaped plate 9, the surface of the lapping block 19 is fixedly connected with a second lead screw 20, the surface of the second lead screw 20 is sleeved with a fixed plate 21 in a sliding manner, the surface of the second lead screw 20 is in threaded connection with a threaded ring 22 close to the fixed plate 21, the fixed plate 21 moves in the direction of the wall plate 10 by rotating the threaded rod 11, so that the fixed plate 21 is tightly attached to the surface of the wall plate 10, the edge of the wall plate can be effectively pressed through the clamping mechanism, the clamping block 17 is upwards pulled to be clamped on the surface of the connecting block 4, and the starting motor 13 drives the first lead screw 14 to rotate, first lead screw 14 rotates and makes movable block 15 drive backup pad 5 and carry out the horizontal slip to can carry out reasonable regulation to it according to the wallboard of equidimension not, increased the application scope of this frock.

The electrical components appearing in the paper are all electrically connected with an external main controller and 220V mains supply, the main controller can be a conventional known device controlled by a computer and the like, detailed description of known functions and known components is omitted in the specific embodiment of the disclosure, and in order to ensure compatibility of the device, all adopted operation means are consistent with parameters of instruments in the market.

In conclusion, the profiling low-temperature creep forming method of the high-strength high-toughness aluminum alloy ribbed integral wall plate comprises the following steps of;

s1), before use, the support plates 5 are lapped on the surface of the slide rod 3 through the connecting blocks 4, the clamping blocks 17 are pulled upwards to be clamped on the surface of the connecting blocks 4, the starting motor 13 drives the first screw rod 14 to rotate, the first screw rod 14 rotates to drive the support plates 5 to horizontally move through the connecting blocks 4, and the distances among the support plates 5 are reasonably adjusted through the actual size of the wall plate 10;

s11): the arc-shaped plates 9 are fixed on the support plate 5 close to the surface of the T-shaped groove 6 in an annular array form, so that the installation and adjustment of the tool are completed;

s2): when in use, the wall plate 10 is clamped on the surface of the arc plate 9 along the T-shaped groove 6, and the wall plate 10 is preliminarily bound and fixed through the steel belt 11;

s21): clamping the lapping block 19 on the pressing mechanism on the inner side of the adjacent arc-shaped plate 9, pressing the lapping block on the edge of the wall plate 10, and rotating the threaded ring 22, so that the fixing plate 21 can be tightly attached to the surface of the wall plate 10, and the wall plate 10 is fixed;

s22): and then carrying out high-temperature profiling creep forming on the wall plate 10 after being bound and fixed.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

In the description of the present specification, the terms "connect", "mount", "fix", "set", and the like are used in a broad sense, for example, the "connect" may be a fixed connection or an indirect connection through intermediate components without affecting the relationship and technical effects of the components, or may be an integral connection or a partial connection, and as such, for a person skilled in the art, the specific meaning of the above terms in the present invention or the invention can be understood according to specific situations.

The standard parts used in the method can be purchased from the market, and can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as mature bolts, rivets, welding and the like in the prior art, the machines, parts and equipment adopt conventional models in the prior art, and the structure and the principle of the parts known by the skilled person can be known by technical manuals or conventional experimental methods.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

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