阅读说明：本技术 一种镁铝合金板软化方法 (Magnesium-aluminum alloy plate softening method ) 是由 王殿君 于 2020-05-26 设计创作，主要内容包括：本发明一种镁铝合金板软化方法涉及合金加工技术领域；该方法包括以下步骤：首先对电磁盘进行通电,以保持多个阵列设置的摩擦块随着镁铝合金板表面凹凸变化所保持的排列状态,充分贴合,完成定型；然后启动摩擦箱体侧壁上设置的激振器,激振器的剧烈振动,带动摩擦箱体剧烈震动,完全贴合在镁铝合金板表面的多个摩擦块在震动的作用下,产生微小的相对位移,使镁铝合金板与摩擦块相互剧烈摩擦,产生热量,通过做功的形式,并通过对称设置的摩擦箱体,使镁铝合金板的表面的温度同时升高,逐渐软化,同时升温均匀,软化彻底；将本发明应用于镁铝合金板压平矫正装置和方法,用以解决现有的如何均匀加热、如何加压避免破裂和如何克服薄厚不均的问题。(The invention discloses a magnesium-aluminum alloy plate softening method, which relates to the technical field of alloy processing; the method comprises the following steps: firstly, electrifying an electromagnetic disc to keep the arrangement state of a plurality of friction blocks arranged in an array along with the concave-convex change of the surface of the magnesium-aluminum alloy plate, fully attaching the friction blocks and finishing shaping; then starting a vibration exciter arranged on the side wall of the friction box body, wherein the vibration exciter vibrates violently to drive the friction box body to vibrate violently, a plurality of friction blocks completely attached to the surface of the magnesium-aluminum alloy plate generate tiny relative displacement under the action of vibration, so that the magnesium-aluminum alloy plate and the friction blocks rub violently with each other to generate heat, and the surface of the magnesium-aluminum alloy plate is heated up and softened gradually at the same time through a mode of acting and the friction box bodies arranged symmetrically; the magnesium-aluminum alloy plate flattening and correcting device and method are applied to solve the problems of how to uniformly heat, how to press to avoid breakage and how to overcome uneven thickness in the prior art.)

1. A magnesium-aluminum alloy plate softening method is characterized by comprising the following steps: the method comprises the following steps:

step a, electrifying an electromagnetic disc (3-8), enabling magnetic force between the electromagnetic disc (3-8) and a magnetic block (3-4) to be mutually exclusive, enabling the magnetic block (3-4) to push a positioning rod shaft (3-6) to extend outwards along a friction box body (3-1), enabling a plurality of friction blocks (3-7) arranged in an array to abut against the side wall of the end face of a magnesium-aluminum alloy plate (1), starting a positioning motor (3-9-2) to rotate anticlockwise, driving a plurality of cams (3-9-3) to rotate through a rotating shaft, enabling the cams (3-9-3) to rotate, enabling adjacent clamping plates (3-3) to generate relative displacement, then closing the positioning motor (3-9-2), and enabling clamping plates (3-3) to generate relative displacement, and enabling correspondingly arranged limiting clamping holes (3-5) to generate relative displacement, the side walls of the limiting clamp holes (3-5) are forced to abut against the side walls of the positioning rod shafts (3-6) in a staggered manner, the positioning rod shafts (3-6) are firmly clamped by the action of force generated by the side walls of the staggered limiting clamp holes (3-5) and the positioning rod shafts (3-6), so that the arrangement state of a plurality of friction blocks (3-7) arranged in an array along with the concave-convex change of the surface of the magnesium-aluminum alloy plate (1) is kept, the friction blocks are fully attached, and the shaping is completed;

and b, starting the vibration exciters (3-10) arranged on the side walls of the friction box bodies (3-1), and driving the friction box bodies (3-1) to vibrate violently by the violent vibration of the vibration exciters (3-10), wherein a plurality of friction blocks (3-7) completely attached to the surface of the magnesium-aluminum alloy plate (1) generate tiny relative displacement under the action of vibration, so that the magnesium-aluminum alloy plate (1) and the friction blocks (3-7) rub violently to generate heat, and the surface of the magnesium-aluminum alloy plate (1) is simultaneously raised and gradually softened by means of acting and the friction box bodies (3-1) symmetrically arranged.

2. The softening method of magnesium aluminum alloy sheet according to claim 1, wherein: the method is realized on a friction member of the magnesium aluminum alloy plate flattening and correcting device.

Technical Field

The invention discloses a magnesium-aluminum alloy plate softening method and relates to the technical field of alloy processing.

Background

Magnesium aluminum alloys are widely used in aerospace products such as aircraft landing wheels, gear box covers and helicopter horizontal rotor attachments. Along with the continuous improvement of magnesium-aluminum alloy smelting and manufacturing technology, the magnesium-aluminum alloy is widely used in the aspects of tank armor part structural parts, missile shells, empennages and the like in the national defense industry. Particularly in some planar devices, critical or important parts such as flyers, samples, etc., ultra-precise planarization with extremely high precision and near defect-free is required.

Generally, for metal materials with poor plastic deformation at room temperature such as magnesium alloy, the metal materials need to be heated in advance to be softened before straightening, and the heating method generally adopted in industry is simple in flame heating equipment, but for metal materials with low melting point such as magnesium alloy or aluminum alloy, the materials are easy to melt and even burn by adopting open flame heating, so that the difficulty is brought to flattening and straightening of the magnesium-aluminum alloy, and the traditional flattening and straightening method has the following problems;

(1) the magnesium-aluminum alloy is a metal material with poor plastic deformation at room temperature, and is easy to crack under direct pressurization;

(2) the heating is uneven and is not thoroughly softened, and the fracture occurs when the pressure is applied;

(3) magnesium-aluminum alloy and other metal materials with low melting points are heated by open fire, so that the materials are easily melted and even burnt;

(4) after the magnesium-aluminum alloy subjected to softening treatment is treated, although the magnesium-aluminum alloy can be approximately flat, the magnesium-aluminum alloy subjected to softening treatment is uneven in thickness and is easy to affect the strength of the plate;

aiming at the problems, the magnesium-aluminum alloy plate flattening and correcting device and method and related key technologies are provided.

Disclosure of Invention

The invention overcomes the defects of the prior art, provides a magnesium-aluminum alloy plate softening method, is applied to a magnesium-aluminum alloy plate flattening and correcting device and method, and is used for solving the problems of how to uniformly heat, how to press to avoid breakage and how to overcome uneven thickness in the prior art.

The technical scheme of the invention is as follows:

a magnesium-aluminum alloy plate softening method comprises the following steps:

step a, electrifying an electromagnetic disc, enabling magnetic force between the electromagnetic disc and the magnetic blocks to be mutually exclusive, enabling the magnetic blocks to push a positioning rod shaft to extend outwards along a friction box body, enabling a plurality of friction blocks arranged in an array to abut against the side wall of the end face of the magnesium-aluminum alloy plate, starting a positioning motor to rotate anticlockwise, driving a plurality of cams to rotate through a rotating shaft, enabling adjacent clamping plates to generate relative displacement, then closing the positioning motor to generate the clamping plates with the relative displacement, enabling correspondingly arranged limiting clamping holes to generate relative movement, staggering each other, forcing the side wall of each limiting clamping hole to abut against the side wall of the positioning rod shaft, firmly clamping the positioning rod shaft through the action of force generated by the side wall of each staggered limiting clamping hole and the positioning rod shaft, and keeping the arrangement state of the friction blocks arranged in the array along with the concave-convex change of the surface of the magnesium-aluminum alloy plate to be fully attached, finishing shaping;

and b, starting a vibration exciter arranged on the side wall of the friction box body, and driving the friction box body to vibrate violently by the violent vibration of the vibration exciter, wherein a plurality of friction blocks completely attached to the surface of the magnesium-aluminum alloy plate generate tiny relative displacement under the action of vibration, so that the magnesium-aluminum alloy plate and the friction blocks rub violently with each other to generate heat, and the surface of the magnesium-aluminum alloy plate is simultaneously raised and gradually softened by means of acting and the friction box bodies symmetrically arranged.

The magnesium-aluminum alloy plate softening method is realized on a friction member of a magnesium-aluminum alloy plate flattening and correcting device.

The invention has the beneficial effects that:

firstly, this device carries out violent friction to magnalium alloy board through the friction component, can make the both sides of magnalium alloy board heat simultaneously, makes the softening of the unsmooth curved surface of magnalium alloy board more effective thoroughly, through the magnalium alloy board that softens under the effect of the equipartition load of flattening the component, can make the unsmooth curved surface of magnalium alloy board flatten gradually, has solved simultaneously two sides simultaneously and has forced the extrusion and cause the inconsistent problem of magnalium alloy board thickness.

Secondly, the electromagnetic disc is electrified, the friction blocks can be abutted against the side wall of the end face of the magnesium-aluminum alloy plate under the action of magnetic force between the electromagnetic disc and the magnetic block, the positioning motor drives the cams to rotate, so that the adjacent clamping plates generate relative displacement, the correspondingly arranged limiting clamping holes are staggered, the positioning rod shafts are firmly clamped, the arrangement state of the friction blocks arranged in the array mode along with the concave-convex change of the surface of the magnesium-aluminum alloy plate is kept, the friction frameworks are symmetrically arranged on two sides of the magnesium-aluminum alloy plate, the friction blocks on the two sides can be fully attached, the friction blocks completely attached to the surface of the magnesium-aluminum alloy plate are enabled to be strongly vibrated through the severe vibration of the vibration exciter, the friction blocks completely attached to the surface of the magnesium-aluminum alloy plate are enabled to generate heat through severe friction in a working mode, the temperature of the surfaces on the two sides of the magnesium-aluminum alloy plate is enabled to be simultaneously raised, gradually softened, and the temperature is simultaneously and uniformly raised, can accomplish the comprehensive thorough softening treatment to unsmooth curved surface to overcome the heating and softening inhomogeneous, the easy cracked problem of pressurization, and then also solved direct heating, magnalium melting point is low, the problem of easy melting burning.

And thirdly, starting the positioning motor to rotate clockwise, driving the cams to rotate through the rotating shaft, enabling adjacent clamping plates to generate relative displacement, enabling staggered limiting clamping holes to move relatively and correspond to each other, forcing the side walls of the limiting clamping holes to be separated from the side walls of the positioning rod shaft, relieving the action of force generated by the side walls of the limiting clamping holes and the positioning rod shaft, changing the current direction for electrifying the electromagnetic disc, enabling the magnetic force between the electromagnetic disc and the magnetic blocks to be attractive force, pulling the positioning rod shaft to extend inwards along the friction box body by the magnetic blocks, enabling the friction blocks arranged in the magnesium-aluminum array and abutted against the side walls of the end faces of the magnesium-aluminum alloy plates to be separated from the magnesium-aluminum alloy plates, facilitating the transmission of the magnesium-aluminum alloy plates, facilitating machining and improving the working efficiency.

Fourthly, start and bulldoze the clockwise rotation of motor, drive and bulldoze the board and move to the box outside that flattens, bulldoze the in-process that the board moved gradually to the box outside that flattens, earlier through the flat post of flattening with the effect at the protruding peak of unsmooth curved surface, and the post that flattens that the promotion effect goes out at the protruding peak of unsmooth curved surface, and with the effect in bellied neighborhood department, make bellied peak neighborhood region take place micro-deformation gradually to flattening, under the effect that bulldozes the board, on the post that flattens around the gradual action peak, make the area of flattening part enlarge gradually, effectual messenger's magnadure board is by the region of action coplane that resets, make the correction more abundant thoroughly.

Fifthly, the effect condition of the pressing column on the surface of the magnesium-aluminum alloy plate, the point of contact is gradually changed into the contact surface due to pressure deformation, the concentrated stress is changed into uniform load, the stress is more uniform, meanwhile, when the pressing columns arranged in a plurality of arrays act on the bulge of the magnesium-aluminum alloy plate, the curved surface of the magnesium-aluminum alloy plate on the other side of the bulge is concave, the pressing column at the lowest point of the concave can not contact with the pressing plate firstly, the side of the concave is not acted on the surface of the magnesium-aluminum alloy plate, the bulge of the magnesium-aluminum alloy plate is forced to be stressed on one side, and the problem that the softened magnesium-aluminum alloy plate is thinned due to the stress on two sides is effectively solved.

Drawings

FIG. 1 is a schematic overall structure diagram of a magnesium-aluminum alloy plate flattening and straightening device;

FIG. 2 is a schematic view illustrating the friction member and the magnesium-aluminum alloy plate being attached to each other;

FIG. 3 is an overall mechanism diagram of the friction member;

FIG. 4 is a front view in section of the friction member;

FIG. 5 is a cross-sectional top view of the friction member;

FIG. 6 is a partially enlarged view of the friction member attached to the magnesium aluminum alloy plate;

FIG. 7 is a schematic diagram showing the relative displacement between the splints;

FIG. 8 is a schematic view showing a positional relationship between the flattening member and the magnesium-aluminum alloy plate;

FIG. 9 is a schematic view illustrating the pressing of the pressing member to the magnesium-aluminum alloy plate;

FIG. 10 is a partial deformation diagram of a magnesium aluminum alloy plate extruded by a flattening component;

FIG. 11 is a schematic view of a flattening component flattening a magnesium aluminum alloy plate;

FIG. 12 is a front elevational view in cross-section of the flattening member;

FIG. 13 is a cross-sectional top view of the flattening member;

fig. 14 is a partially enlarged view of the action of the flattening member with the magnesium-aluminum alloy plate.

In the figure: 1-magnesium aluminum alloy plate, 2-conveying component, 3-friction component, 3-1-friction box body, 3-2-limiting plate, 3-3 clamping plate, 3-4-magnet block, 3-5-limiting clamping hole, 3-6-positioning rod shaft, 3-7-friction block, 3-8-electromagnetic disc, 3-9-adjusting group, 3-9-1-U-shaped frame, 3-9-2-positioning motor, 3-9-3-cam, 3-10-vibration exciter, 4-flattening component, 4-1-flattening box body, 4-2-round sheet, 4-3-flattening column, 4-4-column cavity, 4-5-strip-shaped limiting hole, vibration exciter, and the like, 4-6-pressure spring, 4-7-tension spring, 4-8-pushing plate, 4-9-pushing motor, 4-10-screw rod screw and 4-11-thread sleeve.

Detailed Description

The invention will be described in detail below with reference to the following drawings:

detailed description of the invention

The embodiment is an embodiment of a magnesium-aluminum alloy plate flattening and correcting device.

As shown in fig. 1, 2, 8, 9, 10 and 11, the magnesium aluminum alloy plate flattening and straightening device disclosed in this embodiment includes a conveying member 2, a friction member 3, and a flattening member 4; the magnesium-aluminum alloy plate 1 can intermittently move under the action of a plurality of conveying members 2, friction members 3 and flattening members 4 are sequentially arranged along the moving direction of the magnesium-aluminum alloy plate 1, the friction members 3 and the flattening members 4 are symmetrically arranged on two sides of the magnesium-aluminum alloy plate 1 and abut against the magnesium-aluminum alloy plate 1, the friction members 3 can adapt to the concave-convex change of the surface of the magnesium-aluminum alloy plate 1, the magnesium-aluminum alloy plate 1 is completely rubbed unevenly, the temperature of the magnesium-aluminum alloy plate 1 is raised through the quick heat generation of excitation friction, the softening treatment is completed, the flattening members 4 can change the force action form from concentrated load into uniform load and diffuse outwards, the flattening members 4 act on the bulge of the treated magnesium-aluminum alloy plate 1, can make the bulged neighborhood gradually deform to be flat, and make the neighborhood region of the edge of the flattening part gradually deform to be flat under the action of the magnesium-aluminum alloy plate 4, the area of the flat part is gradually enlarged, and the magnesium-aluminum alloy plate 1 can be reset and coplanar by the action area under the pushing action of the flattening component 4, so that flattening correction is completed;

the friction member 3 can adapt to the concave-convex change of the surface of the magnesium-aluminum alloy plate 1, self-adjustment is carried out on the concave-convex change of the surface of the magnesium-aluminum alloy plate 1, the friction member 3 can completely abut against the concave-convex change of the surface, the friction member 3 and the magnesium-aluminum alloy plate 1 generate tiny relative displacement through vibration excitation of the friction member 3 to generate friction, and the friction member is symmetrically arranged under the combined action of the friction members 3 at two sides of the magnesium-aluminum alloy plate 1 to effectively and thoroughly and uniformly rub the uneven magnesium-aluminum alloy plate 1, so that the temperature of the magnesium-aluminum alloy plate 1 is raised through rapid heat generation, comprehensive and thorough softening treatment on a concave-convex curved surface can be completed, the problems of nonuniform heating and softening and easy cracking under pressurization are solved, and the problems of direct heating, low melting point and easy melting and burning of magnesium-aluminum alloy are further solved;

the pressing component 4 gradually changes the contact point to the contact surface from the force action condition of the surface of the magnalium alloy plate 1, so that the concentrated stress changes to uniform load, the stress is more uniform, meanwhile, when the pressing component 4 acts on the bulge of the magnalium alloy plate 1, the magnalium alloy plate 1 on the other side of the bulge is an inward-concave part, and the pressing component 4 with the lowest point of the inward concave has no force on the inward-concave part, so that the bulge of the magnalium alloy plate 1 is stressed on one side, and the problem that the softened magnalium alloy plate 1 becomes thinner due to the stress on two sides is effectively solved;

the device can simultaneously heat the two sides of the magnesium-aluminum alloy plate 1 through the violent friction of the friction member 3, so that the concave-convex curved surface of the magnesium-aluminum alloy plate 1 is more effectively and thoroughly softened, the concave-convex curved surface of the magnesium-aluminum alloy plate 1 can be gradually flattened through the softened magnesium-aluminum alloy plate 1 under the action of uniformly distributed load of the flattening member 4, and the problem that the thickness of the magnesium-aluminum alloy plate 1 is inconsistent due to simultaneous stress extrusion on the two sides is solved;

one end of a strip-shaped magnesium-aluminum alloy plate 1 needing flattening correction sequentially passes through a starting conveying component 2, a friction component 3, a flattening component 4 and a next conveying component 2, the conveying component 2 is controlled to intermittently drive the movement and stop of the magnesium-aluminum alloy plate 1, the magnesium-aluminum alloy plate 1 softened by the friction component 3 can be driven to an action area of the flattening component 4 through the transmission action of the conveying component 2, and mechanical treatment is carried out;

the intermittent period T1 of the conveying component 2 and the vibration friction time T of the friction component can be controlled manually, and parameters can be set, the purpose is to aim at magnesium-aluminum alloy plates 1 with different thicknesses, simultaneously, marking concave-convex curved surfaces needing to be corrected of the magnesium-aluminum alloy plates 1 needing to be flattened and corrected can be realized, the specific magnesium-aluminum alloy plates 1 are controlled automatically, resources are effectively utilized, when the friction component 3 and the flattening component 4 are arranged, attention needs to be paid to the close proximity, and the purpose is to continuously correct the plates.

Detailed description of the invention

The embodiment is an embodiment of a magnesium-aluminum alloy plate flattening and correcting method.

The magnesium-aluminum alloy plate flattening and correcting method disclosed by the embodiment comprises the following steps:

step a, adjusting parameters, flattening the thickness of the corrected magnesium-aluminum alloy plate 1 according to the requirement, and setting three parameters:

parameter I, vibration time T of a vibration exciter 3-10;

a second parameter is the rotating speed of the pushing motor 4-9;

parameter three, the intermittent transmission interval of the transmission component 2 is T1;

b, mounting the plate, and enabling one end of the strip-shaped magnesium aluminum alloy plate 1 to be flattened and corrected to sequentially penetrate through the initial conveying component 2, the symmetrically arranged friction components 3, the symmetrically arranged flattening components 4 and the next conveying component 2 to finish mounting;

c, attaching and shaping, electrifying the electromagnetic discs 3-8, enabling the magnetic force between the electromagnetic discs 3-8 and the magnetic blocks 3-4 to be mutually exclusive, enabling the magnetic blocks 3-4 to push the positioning rod shaft 3-6 to extend outwards along the friction box body 3-1, enabling a plurality of friction blocks 3-7 arranged in an array to abut against the side wall of the end face of the magnesium-aluminum alloy plate 1, starting the positioning motor 3-9-2 to rotate anticlockwise, driving a plurality of cams 3-9-3 to rotate through a rotating shaft, enabling the adjacent clamping plates 3-3 to generate relative displacement through the rotation of the cams 3-9-3, then closing the positioning motor 3-9-2, enabling the clamping plates 3-3 generating the relative displacement to enable the correspondingly arranged limiting clamping holes 3-5 to generate relative movement, staggering mutually, and forcing the side walls of the limiting clamping holes 3-5 to abut against the side walls of the positioning rod shaft 3-6, the positioning rod shaft 3-6 is firmly clamped through the action of force generated by the side wall of the staggered limiting clamping hole 3-5 and the positioning rod shaft 3-6, so that the arrangement state of a plurality of friction blocks 3-7 arranged in an array along with the concave-convex change of the surface of the magnesium-aluminum alloy plate 1 is kept, the friction blocks are fully attached, and the shaping is completed;

d, friction softening; starting vibration exciters 3-10 arranged on the side wall of the friction box body 3-1, and driving the friction box body 3-1 to vibrate violently by the violent vibration of the vibration exciters 3-10, wherein a plurality of friction blocks 3-7 completely attached to the surface of the magnesium-aluminum alloy plate 1 generate tiny relative displacement under the action of vibration, so that the magnesium-aluminum alloy plate 1 and the friction blocks 3-7 rub violently to generate heat, and the temperature of the surface of the magnesium-aluminum alloy plate 1 rises and softens gradually at the same time through the form of acting and the vibration action of the friction box bodies 3-1 symmetrically arranged on the two sides of the magnesium-aluminum alloy plate 1;

e, separating, transmitting and starting the positioning motors 3-9-2 to rotate clockwise, driving the plurality of cams 3-9-3 to rotate through the rotating shaft, enabling the cams 3-9-3 to rotate to enable adjacent clamping plates 3-3 to generate relative displacement, then closing the positioning motors 3-9-2 to generate the clamping plates 3-3 with relative displacement, enabling staggered limiting clamping holes 3-5 to generate relative movement, enabling the side walls of the limiting clamping holes 3-5 to be mutually corresponding to each other, forcing the side walls of the limiting clamping holes 3-5 to be separated from the side walls of the positioning rod shafts 3-6, relieving the action of force generated by the side walls of the limiting clamping holes 3-5 and the positioning rod shafts 3-6, changing the direction of current for electrifying the electromagnetic discs 3-8, and enabling the magnetic force between the electromagnetic discs 3-8 and the positioning rods 3-4 to be attractive magnetic blocks, the magnetic blocks 3-4 pull the positioning rod shafts 3-6 to extend inwards along the friction box body 3-1, so that the friction blocks 3-7 which are arranged in an array and abut against the side wall of the end face of the magnesium-aluminum alloy plate 1 are separated from the magnesium-aluminum alloy plate 1, the conveying component 2 is started, and the softened part of the magnesium-aluminum alloy plate 1 is conveyed to the action area of the flattening component 4;

step f, flattening correction, starting a pushing motor 4-9 to rotate clockwise, driving a screw rod 4-10 to rotate clockwise by the pushing motor 4-9, driving a pushing plate 4-8 to move towards the outer side of a flattening box body 1 by rotating the screw rod 4-10 under the action of external threads and internal threads of a threaded sleeve 4-11, enabling the threaded sleeve 4-11 to push the pushing plate 4-8 to move towards the outer side of the flattening box body 1, enabling the pushing plate 4-8 to contact a flattening column 4-3 acting at the highest point of the convex and concave curved surface of the magnesium-aluminum alloy plate 1 and pushing the flattening column 4-3 acting at the highest point of the convex and concave curved surface to move outwards in the process of gradually moving the pushing plate 4-8 towards the outer side of the flattening box body 1, enabling the neighborhood region of the convex point to be slightly deformed to be flat gradually, and enabling the neighborhood region of the edge of the flat part to be deformed to be flat gradually, the area of the flat part is gradually enlarged, and along with the deformation of the concave-convex curved surface, the pushing plate 4-8 pushes the flattening column 4-3 at the highest point of the bulge to move and gradually act on the flattening column 4-3 around the highest point of the bulge, so that the area of the flat part is continuously enlarged until the area of the magnesium-aluminum alloy plate 1 to be acted is reset and coplanar, and flattening correction is completed.

Detailed description of the invention

The embodiment is an embodiment of a friction member for flattening and correcting a magnesium aluminum alloy plate.

It should be noted that, the friction member for flattening and correcting a magnesium-aluminum alloy plate in this embodiment may be implemented separately, that is, exist separately as a part of a magnesium-aluminum alloy plate flattening and correcting device, and may further limit the magnesium-aluminum alloy plate flattening and correcting device described in the first embodiment.

Referring to fig. 1 to 7, the friction member for flattening and correcting a magnesium aluminum alloy plate disclosed in this embodiment is characterized in that: the vibration exciter comprises a friction box body 3-1, a limiting plate 3-2, a clamping plate 3-3, magnetic blocks 3-4, a positioning rod shaft 3-6, friction blocks 3-7, an electromagnetic disc 3-8, a positioning group 3-9 and a vibration exciter 3-10; a limiting plate 3-2 is arranged in the friction box body 3-1, a plurality of clamping plates 3-3 are arranged in the friction box body 3-1 at the lower part of the limiting plate 3-2, a plurality of magnetic blocks 3-4 are arranged in the friction box body 3-1 at the upper part of the limiting plate 3-2, a plurality of through holes are respectively arranged on the bottom wall of the friction box body 3-1 and the limiting plate 3-2 in an array manner, a plurality of limiting clamping holes 3-5 are arranged in the clamping plate 3-3 in an array manner, a plurality of positioning rod shafts 3-6 are arranged in the friction box body 3-1 in an array manner, one end of each positioning rod shaft 3-6 is connected with the corresponding magnetic block 3-4, the other end of each positioning rod shaft 3-6 sequentially penetrates through holes of the limiting plates 3-2, limiting clamping holes 3-5 of the plurality of clamping plates 3-3 and through holes at the bottom of the friction box body 3-1, the friction blocks are connected with 3-7, a plurality of friction blocks 3-7 are arranged outside a friction box body 3-1 in an array mode and abut against a magnesium-aluminum alloy plate 1, an electromagnetic disc 3-8 is arranged at the upper end of the friction box body 3-1, the electromagnetic disc 3-8 is matched with a magnetic block 3-4, adjusting groups 3-9 are symmetrically arranged on the opposite outer side walls of the friction box body 3-1, the adjusting groups 3-9 are connected with a plurality of clamping plates 3-3, and vibration exciters 3-10 are arranged on the other side wall of the friction box body 3-1;

the electromagnetic discs 3-8 are matched with the magnetic blocks 3-4, so that the friction blocks 3-7 arranged in an array can be completely attached to the surface of the magnesium-aluminum alloy plate 1, the surface concave-convex change of the magnesium-aluminum alloy plate 1 can be adapted to and fully abutted against the magnesium-aluminum alloy plate 1, the adjusting groups 3-9 can enable the clamping plates 3-3 to generate relative displacement, the through holes corresponding to each other are staggered, the positioning rod shafts 3-6 are fixed through the side walls of the limiting clamping holes 3-5, the friction blocks 3-7 are in shape-fixed arrangement, and the friction blocks 3-7 and the magnesium-aluminum alloy plate 1 are subjected to violent friction under the action of vibration exciters 3-10 to be heated and rapidly softened;

the adjusting group 3-9 comprises a U-shaped frame 3-9-1, a positioning motor 3-9-2 and a cam 3-9-3; the friction box comprises a friction box body 3-1, a plurality of U-shaped frames 3-9-1, a plurality of clamping plates 3-3, two positioning motors 3-9-2, two cams, a plurality of rotating shafts and a plurality of positioning motors, wherein the U-shaped frames 3-9-1 penetrate through the side wall of the friction box body 3-1 to be correspondingly connected with the clamping plates 3-3, the upper ends of the U-shaped frames 3-9-1 are symmetrically provided with the two positioning motors 3-9-2, the two cams are symmetrically arranged in each U-shaped frame 3-9-1, the cams 3-9-3 are rotatably arranged through the symmetrically arranged rotating shafts, the cams 3-9-3 are abutted against the inner side wall of the U-shaped frame 3-9-1, and the symmetrically arranged rotating shafts are arranged on the side wall of the friction box body 3-1 through hinge seats;

electrifying the electromagnetic discs 3-8, enabling the magnetic force between the electromagnetic discs 3-8 and the magnetic blocks 3-4 to be mutually exclusive at the moment, enabling the magnetic blocks 3-4 to push the positioning rod shaft 3-6 to extend outwards along the friction box body 3-1 to enable a plurality of friction blocks 3-7 arranged in an array to abut against the side wall of the end face of the magnesium-aluminum alloy plate 1, starting the positioning motor 3-9-2 to rotate anticlockwise, driving a plurality of cams 3-9-3 to rotate through a rotating shaft, enabling the cams 3-9-3 to rotate to enable adjacent clamping plates 3-3 to generate relative displacement, then closing the positioning motor 3-9-2, enabling the clamping plates 3-3 generating relative displacement to enable the correspondingly arranged limiting clamping holes 3-5 to generate relative movement, staggering mutually, and forcing the side walls of the limiting clamping holes 3-5 to abut against the side walls of the positioning rod shaft 3-6, the positioning rod shaft 3-6 is firmly clamped through the action of force generated by the side wall of the staggered limiting clamping hole 3-5 and the positioning rod shaft 3-6, so that the arrangement state of a plurality of friction blocks 3-7 arranged in an array is kept along with the concave-convex change of the surface of the magnesium-aluminum alloy plate 1, and the friction frameworks are symmetrically arranged on two sides of the magnesium-aluminum alloy plate 1, so that the friction blocks 3-7 on the two sides can be fully attached to finish shaping;

starting the vibration exciters 3-10 arranged on the side wall of the friction box body 3-1, and driving the friction box body 3-1 to vibrate violently by the violent vibration of the vibration exciters 3-10, wherein a plurality of friction blocks 3-7 completely attached to the surface of the magnesium-aluminum alloy plate 1 generate tiny relative displacement under the action of vibration, so that the magnesium-aluminum alloy plate 1 and the friction blocks 3-7 rub violently with each other to generate heat, and the surface of the magnesium-aluminum alloy plate 1 is simultaneously raised and gradually softened by the form of acting and the friction box bodies 3-1 arranged symmetrically, and the temperature is uniformly raised at the same time, so that the comprehensive and thorough softening treatment of the concave-convex curved surface can be completed, the problems of nonuniform heating and softening and easy cracking under pressurization are solved, and the problems of direct heating, low melting point of the magnesium-aluminum alloy and easy melting combustion are further solved;

starting the positioning motors 3-9-2 to rotate clockwise, driving the cams 3-9-3 to rotate through the rotating shafts, enabling the cams 3-9-3 to rotate, enabling adjacent clamping plates 3-3 to generate relative displacement, then closing the positioning motors 3-9-2, generating the clamping plates 3-3 with relative displacement, enabling staggered limiting clamping holes 3-5 to generate relative movement, enabling the side walls of the limiting clamping holes 3-5 to be mutually corresponding to each other, forcing the side walls of the limiting clamping holes 3-6 to be separated from the side walls of the positioning rod shafts 3-6, relieving the action of force generated by the side walls of the limiting clamping holes 3-5 and the positioning rod shafts 3-6, changing the direction of current for electrifying the electromagnetic discs 3-8, enabling the magnetic force between the electromagnetic discs 3-8 and the magnetic blocks 3-4 to be attractive force, enabling the magnetic blocks 3-4 to pull the positioning rod shafts 3-6 to extend inwards along the friction box body 3-1, the friction blocks 3-7 which are arranged in a plurality of arrays and abut against the side wall of the end face of the magnesium-aluminum alloy plate 1 are separated from the magnesium-aluminum alloy plate 1, so that the magnesium-aluminum alloy plate 1 is convenient to convey, the machining is facilitated, and the working efficiency is improved.

There are the following problems to be explained:

firstly, the clamping plates 3-3 of the device are arranged in four layers, so that the arrangement of four layers is adopted in consideration of the difficult arrangement of space problems and the difficult arrangement of clamping force problems;

secondly, the friction box body 3-1 is marked as a first layer, a second layer, a third layer and a fourth layer from inside to outside one by one, and when relative movement occurs in the middle, corresponding limiting clamp holes 3-5 on a two, three and four layers of clamping plates 3-3 are opposite to each other, so that the positioning rod shaft 3-6 can be ensured to move freely between 3-3, namely, no force is applied to the side walls of the positioning rod shaft 3-6 and the limiting clamp holes 3-5;

the setting conditions of the cams 3-9-3 for controlling the first layer and the third layer of clamping plates 3-3 are completely consistent, the setting conditions of the cams 3-9-3 for controlling the second layer and the fourth layer of clamping plates are completely consistent, and the setting conditions of the cams 3-9-3 for the first layer and the third layer are as follows: in the clamping state, the direction of the cam is the direction of the upper side 12, the direction of the lower side 3 is the direction, and the arrangement conditions of the cams 3-9-3 of the second layer and the fourth layer are as follows: in the tightening state, the direction of the cam 3-9-3 is the upper side 9 hour direction, and the lower side is the lower side 6 hour direction;

fourthly, the friction blocks 3-7 are square blocks, and the ground and the side faces of the friction blocks 3-7 are connected into arc-shaped curved surfaces, so that the abrasion of the magnesium-aluminum alloy plate 1 is avoided during friction.

Detailed description of the invention

The embodiment is an embodiment of a magnesium-aluminum alloy plate softening method.

The embodiment discloses a magnesium-aluminum alloy plate softening method, which comprises the following steps:

step a, electrifying an electromagnetic disc 3-8, enabling magnetic force between the electromagnetic disc 3-8 and a magnetic block 3-4 to be mutually exclusive at the moment, enabling the magnetic block 3-4 to push a positioning rod shaft 3-6 to extend outwards along a friction box body 3-1, enabling a plurality of friction blocks 3-7 arranged in an array to abut against the side wall of the end face of a magnesium-aluminum alloy plate 1, starting a positioning motor 3-9-2 to rotate anticlockwise, driving a plurality of cams 3-9-3 to rotate through a rotating shaft, enabling the cams 3-9-3 to rotate, enabling adjacent clamping plates 3-3 to generate relative displacement, then closing the positioning motor 3-9-2, enabling the clamping plates 3-3 generating relative displacement to enable correspondingly arranged limiting clamping holes 3-5 to generate relative movement, enabling the clamping holes to be mutually staggered, and forcing the side wall of the limiting clamping hole 3-5 to abut against the side wall of the positioning rod shaft 3-6, the positioning rod shaft 3-6 is firmly clamped through the action of force generated by the side wall of the staggered limiting clamping hole 3-5 and the positioning rod shaft 3-6, so that the arrangement state of a plurality of friction blocks 3-7 arranged in an array along with the concave-convex change of the surface of the magnesium-aluminum alloy plate 1 is kept, the friction blocks are fully attached, and the shaping is completed;

and b, starting vibration exciters 3-10 arranged on the side wall of the friction box body 3-1, and driving the friction box body 3-1 to vibrate violently by the violent vibration of the vibration exciters 3-10, wherein a plurality of friction blocks 3-7 completely attached to the surface of the magnesium-aluminum alloy plate 1 generate tiny relative displacement under the action of vibration, so that the magnesium-aluminum alloy plate 1 and the friction blocks 3-7 rub violently to generate heat, and the temperature of the surface of the magnesium-aluminum alloy plate 1 rises and softens gradually by acting and the vibration of the friction box bodies 3-1 symmetrically arranged on the two sides of the magnesium-aluminum alloy plate 1.

Detailed description of the invention

The embodiment is an embodiment of a magnesium-aluminum alloy plate shaping and separating method.

The embodiment discloses a magnesium-aluminum alloy plate shaping and separating method, a positioning motor 3-9-2 is started to rotate clockwise, a plurality of cams 3-9-3 are driven to rotate through a rotating shaft, the cams 3-9-3 rotate to enable adjacent clamping plates 3-3 to generate relative displacement, then the positioning motor 3-9-2 is turned off to generate the clamping plates 3-3 with relative displacement, staggered limiting clamping holes 3-5 are enabled to generate relative movement and correspond to each other, the side walls of the limiting clamping holes 3-5 are forced to be separated from the side walls of a positioning rod shaft 3-6, the side walls of the limiting clamping holes 3-5 and the positioning rod shaft 3-6 are relieved from generating force, the current direction for electrifying an electromagnetic disc 3-8 is changed, and at the moment, the magnetic force between the electromagnetic disc 3-8 and a magnetic block 3-4 is attractive force, the magnetic blocks 3-4 pull the positioning rod shafts 3-6 to extend inwards along the friction box body 3-1, so that the friction blocks 3-7 which are arranged in an array and abut against the side wall of the end face of the magnesium-aluminum alloy plate 1 are separated from the magnesium-aluminum alloy plate 1.

The fourth and fifth embodiments of the present invention relate to a method for flattening and straightening a magnesium-aluminum alloy plate, which is implemented on a friction member for flattening and straightening a magnesium-aluminum alloy plate.

Detailed description of the invention

The embodiment is an embodiment of a flattening component for flattening and correcting a magnesium-aluminum alloy plate.

It should be noted that, the flattening component for flattening and correcting the magnesium-aluminum alloy plate in this embodiment may be implemented separately, that is, exist separately as a part of a magnesium-aluminum alloy plate flattening and correcting device, and may further limit the magnesium-aluminum alloy plate flattening and correcting device described in the first embodiment.

Referring to fig. 8 to 14, the flattening component for flattening and correcting a magnesium aluminum alloy plate disclosed in this embodiment is characterized in that: the device comprises a flattening box body 4-1, a circular sheet 4-2, a flattening column 4-3, a pressure spring 4-6, a tension spring 4-7, a pushing plate 4-8, a pushing motor 4-9, a lead screw rod 4-10 and a threaded sleeve 4-11; a plurality of round sheets 4-2 and a plurality of flattening columns 4-3 are arranged in the flattening box body 4-1 in an array manner, cylindrical cavities 4-4 are formed in the flattening columns 4-3, a pin shaft is arranged in the center of the cylindrical cavities 4-4, a plurality of strip-shaped limiting holes 4-5 are annularly formed in the outer side wall of the cylindrical cavities 4-4, the round sheets 4-2 are correspondingly arranged in the cylindrical cavities 4-4 in the flattening columns 4-3 and movably arranged on the pin shaft, the round sheets 4-2 are connected through a connecting rod, the connecting rod penetrates through the strip-shaped limiting holes 4-5 in the side walls of the two adjacent flattening columns 4-3 to be connected with the adjacent round sheets 4-2, and the round sheets 4-2 are connected with the upper side wall of the cylindrical cavities 4-4 through pressure springs 4-6, the circular sheet 4-2 is connected with the lower side wall of the cylindrical cavity 4-4 through a tension spring 4-7, the pressing plate 4-8 is arranged between the vertical inner side wall of the flattening box body 4-1 and the flattening column 4-3, the pressing motor 4-9 is arranged on the outer side wall of the flattening box body 4-1, the output end of the pressing motor 4-9 penetrates through the side wall of the flattening box body 4-1 to be connected with one end of the lead screw rod 4-10, the other end of the lead screw rod 4-10 is connected with the threaded sleeve 4-11, the threaded sleeve 4-11 is arranged in the center of the end face of the pressing plate 4-8, the plurality of fixing rods are symmetrically arranged between the pressing plate 4-8 and the threaded sleeve 4-11, one end of each fixing rod is arranged on the pressing plate 4-8, and the other end of each fixing rod is arranged on the side wall of the threaded sleeve 4-11;

starting a pushing motor 4-9 to rotate clockwise, driving a screw rod 4-10 to rotate clockwise by the pushing motor 4-9, driving a pushing plate 4-8 to move towards the outer side of a flattening box body 1 by rotating the screw rod 4-10 under the action of external threads and internal threads of a threaded sleeve 4-11, firstly contacting a flattening column 4-3 acting at the highest point of a concave-convex curved surface of a magnesium-aluminum alloy plate 1 in the process that the pushing plate 4-8 moves towards the outer side of the flattening box body 1 gradually, pushing the flattening column 4-3 acting at the highest point of the concave-convex curved surface to move outwards, acting force on the neighborhood of the bulge of the softened magnesium-aluminum alloy plate 1, enabling the neighborhood region of the bulge to slightly deform to be flat gradually, and changing the neighborhood region of the edge of the flat part to be gradually deformed to be flat, the area of the flat part is gradually enlarged, and along with the deformation of the concave-convex curved surface, the pushing plate 4-8 pushes the flattening column 4-3 at the highest point of the bulge to move and gradually act on the flattening column 4-3 around the highest point of the bulge, so that the area of the flat part is continuously enlarged until the magnesium-aluminum alloy plate 1 is reset and coplanar by the acting area, and flattening correction is completed;

the pressing columns 4-3 gradually change contact points into contact surfaces due to pressure deformation under the action of force on the surface of the magnesium-aluminum alloy plate 1, so that concentrated stress changes into uniform load, the stress is more uniform, and meanwhile, when the pressing columns 4-3 arranged in a plurality of arrays act on the convex part of the magnesium-aluminum alloy plate 1, the curved surface of the magnesium-aluminum alloy plate 1 on the other side of the convex part is concave, and the pressing column 4-3 at the lowest point of the concave part cannot contact the pressing plate 4-8 first, so that no force acts on the surface of the magnesium-aluminum alloy plate 1 on the side of the concave part, the convex part of the magnesium-aluminum alloy plate 1 is stressed on one side, and the problem that the softened magnesium-aluminum alloy plate 1 is thinned due to stress on two sides is effectively solved;

the flattening columns 4-3 are metal columns with large cuboid strength, the size of the ground is 2.0cm multiplied by 2.0cm, the diameter of the inner cylindrical cavity 4-4 is 1.2cm, the number of the flattening columns 4-3 arranged in an array is selected and arranged according to the width of the corrected magnesium-aluminum alloy plate 1, and the device is arranged in a 20 multiplied by 20 square array.

Detailed description of the invention

The embodiment is an embodiment of a magnesium-aluminum alloy plate extrusion method.

The magnesium-aluminum alloy plate extrusion method disclosed by the embodiment comprises the steps that a pushing motor 4-9 is started to rotate clockwise, the pushing motor 4-9 drives a screw rod 4-10 to rotate clockwise, the screw rod 4-10 is rotated to push a threaded sleeve 4-11 to drive a pushing plate 4-8 to move towards the outer side of a flattening box body 1 under the action of external threads and internal threads of the threaded sleeve 4-11, the pushing plate 4-8 is firstly contacted with a flattening column 4-3 acting at the highest point of a concave-convex curved surface of a magnesium-aluminum alloy plate 1 in the process of gradually moving towards the outer side of the flattening box body 1, the flattening column 4-3 acting at the highest point of the concave-convex curved surface is pushed to move outwards, force is applied to the neighborhood of the convex part of the softened magnesium-aluminum alloy plate 1, and the neighborhood region of the convex highest point is enabled to be slightly deformed to be flat gradually, the neighborhood region of the edge which is changed into the flat part is gradually deformed to be flat, so that the area of the flat part is gradually enlarged, the convex highest point of the concave-convex curved surface is also reduced along with the deformation of the concave-convex curved surface, and the pushing plate 4-8 pushes the flattening column 4-3 at the convex highest point to move and gradually acts on the flattening column 4-3 around the flattening column 4-3 at the convex highest point, so that the area of the flat part is continuously enlarged until the magnesium-aluminum alloy plate 1 is reset and coplanar by the action region, and flattening correction is completed.

The embodiment relates to a magnesium-aluminum alloy plate flattening and correcting device and an embodiment of each part. It should be noted that, in these embodiments, various technical solutions can be arranged and combined, and those skilled in the art can exhaust the results of each permutation and combination according to the mathematical knowledge of permutation and combination learned in high school, and the results of each permutation and combination should be understood as being disclosed in the present application.

The above embodiments are merely illustrative of the present patent and do not limit the scope of the patent, and those skilled in the art can make modifications to the parts thereof without departing from the spirit and scope of the patent.