CN113146012A - Assembly method for vacuum electron beam seal welding of titanium steel composite blank - Google Patents
Assembly method for vacuum electron beam seal welding of titanium steel composite blank Download PDFInfo
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- CN113146012A CN113146012A CN202110522767.0A CN202110522767A CN113146012A CN 113146012 A CN113146012 A CN 113146012A CN 202110522767 A CN202110522767 A CN 202110522767A CN 113146012 A CN113146012 A CN 113146012A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K15/00—Electron-beam welding or cutting
- B23K15/0013—Positioning or observing workpieces, e.g. with respect to the impact; Aligning, aiming or focusing electronbeams
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K15/00—Electron-beam welding or cutting
- B23K15/06—Electron-beam welding or cutting within a vacuum chamber
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Abstract
The invention discloses a positioning device for a titanium steel composite blank, which comprises a first part, a second part, a trunk part and a pin shaft, wherein the first part and the trunk part can rotate relative to the pin shaft, and the second part and the trunk part can also rotate relative to the pin shaft. The invention also discloses a titanium steel composite blank, which comprises the following components: an upper steel plate, a lower steel plate, a steel frame, a titanium plate and a positioning device. The positioning device is arranged between each side face of the titanium plate and the steel frame, the positioning device limits the position of the titanium plate in the hoisting assembly and hoisting heating processes, and further keeps limiting the position of the titanium plate after heating, so that the titanium plate is prevented from moving in a staggered manner before rolling and compounding, the accuracy of plate splitting operation by adopting double-sided shears after rolling and compounding the titanium steel composite blank is improved, the loss of the titanium material is reduced, the finished material of the titanium steel composite plate is improved, and the cost of the titanium steel composite plate is reduced.
Description
Technical Field
The invention belongs to the technical field of metal material processing, particularly relates to a positioning device, and particularly relates to a titanium steel composite blank.
Background
The titanium steel composite board has excellent corrosion resistance of the titanium composite layer, has the strength and plasticity of the base layer structural steel, and has greatly reduced economic cost compared with the titanium board, thereby becoming an ideal material for manufacturing corrosion-resistant environmental equipment. As a basis for producing titanium steel composite boards, the preparation of composite blanks in the titanium steel composite boards is widely concerned by people. At present, the common assembly mode is to place a titanium plate in a hollow composite blank consisting of two carbon steel plates and a steel frame with a certain thickness, and then seal-weld the blank by adopting a vacuum electron beam welding technology. Wherein, in the preparation of the titanium steel composite board, the material cost of the titanium board accounts for about 80 percent of the total product cost. Therefore, in the production process, the utilization rate of the titanium material directly influences the cost accounting of the titanium steel composite plate. However, in the existing seal welding assembly form, after rolling and compounding, both sides are required to be cut in a large quantity to realize plate separation and obtain the titanium steel composite plate with a regular shape, the loss of the titanium material is large, and the material cost of the titanium steel composite plate is greatly improved.
Disclosure of Invention
The present invention is based on the discovery and recognition by the inventors of the following facts and problems: in the existing seal welding assembly form, a titanium plate in a titanium steel composite blank is dislocated and moved in a lifting process, and meanwhile, due to the expansion difference of the titanium plate and a steel plate in a heating process, the titanium plate is easy to deviate to one side or dislocate and move before rolling and compounding after lifting, roller way moving and steel rotating. After the titanium plate is rolled at the irregular position in the center of the composite blank, in an industrial production line, the head and the tail of the composite plate are cut by adopting transverse shearing equipment to realize plate separation, and because the area of the head and the tail is small, the loss of the cutting amount to the titanium material is small when the plate separation is carried out. When the longitudinal cutting is performed for plate division, the double-sided cutting is generally performed, that is, the double-sided cutting is performed simultaneously in a manner that the composite plate is cut from two sides to the middle in the same width. And if when carrying out the clad rolling, the titanium plate is rolled with position not in the middle, need carry out bilateral a large amount of tailorres and can divide the board and obtain regular shape titanium steel composite sheet, and the titanium material loss is great, very big improvement titanium steel composite sheet's material cost.
The present invention is directed to solving, at least to some extent, one of the technical problems in the related art.
Therefore, the embodiment of the invention provides a positioning device and a titanium steel composite blank using the same, wherein the positioning device not only limits the position of a titanium plate in the processes of hoisting and assembling the blank and hoisting and heating, but also further keeps limiting the position of the titanium plate after heating, so that the dislocation movement before rolling and compounding is prevented, the accuracy of plate splitting operation by using a double-sided shear after rolling and compounding the titanium steel composite blank is improved, the loss of the titanium material is reduced, the finished material of the titanium steel composite plate is improved, and the cost of the titanium steel composite plate is reduced.
The titanium steel composite blank comprises an upper steel plate, a lower steel plate, a steel frame, a titanium plate and a positioning device; the steel frame is arranged on the upper surface of the lower steel plate, and the upper steel plate is arranged on the upper surface of the steel frame; the titanium plate is arranged on the upper surface of the lower steel plate, the titanium plate is positioned on the inner side of the steel frame, and the titanium plate is spaced from the steel frame.
The positioning device is arranged between each of the front surface, the rear surface, the left side surface and the right side surface of the titanium plate and the steel frame. That is to say, be equipped with two at least between the front surface of titanium plate and the steel frame positioner, two positioner place respectively in the position that the front surface is close to both ends in length direction, be equipped with two at least between the rear surface of titanium plate and the steel frame positioner, two positioner place respectively in the position that the rear surface is close to both ends in length direction, be equipped with two at least between the left surface of titanium plate and the steel frame positioner, two positioner place respectively in the position that the left surface is close to both ends in length direction, be equipped with two at least between the right flank of titanium plate and the steel frame positioner, two positioner place respectively in the position that the right surface is close to both ends in length direction.
According to the advantages and the technical effects brought by the embodiment of the invention, the titanium plate in the titanium steel composite blank is spaced from the steel frame, and the titanium plate can move in a dislocation manner in the hoisting process. After the titanium steel composite blank is heated, the thermal expansion coefficient of the steel frame is larger than that of the titanium plate, so that the interval between the steel frame and the titanium plate is enlarged, and the moving range of the titanium plate in the core part of the composite blank is further enlarged. In order to limit the position of the titanium plate in the hoisting process, the roller way moving process and the steel rotating process, a positioning device is arranged between each of the front surface, the rear surface, the left side surface and the right side surface of the titanium plate and the steel frame, the positioning device comprises a first part, a second part, a first pin shaft, a second pin shaft and a body part, the first part is rotatably connected with the body part relative to the body part through the first pin shaft, and the second part is rotatably connected with the body part relative to the body part through the second pin shaft. A torso portion of a positioning device is placed vertically between the steel frame and a respective one of the front, rear, left and right sides of the titanium plate, and a first portion of the positioning device rests on the steel frame and a second portion rests on a respective one of the front, rear, left and right sides of the titanium plate. In the lifting process, the roller way moving process and the steel rotating process, the trunk part limits the position of the titanium plate, then when thermal expansion occurs, the interval between the steel frame and the titanium plate is enlarged, at the moment, the first part and the second part of the positioning device naturally descend under the action of gravity, so that the included angle between the at least one part of the positioning device and the horizontal plane is reduced, and the length of the at least one part of the positioning device in the horizontal direction is increased. Thereby achieving the purpose of limiting the position of the titanium plate in the dynamic process.
According to the titanium steel composite blank of the embodiment of the invention, each of the upper steel plate, the lower steel plate and the titanium plate is horizontally arranged. A titanium steel composite blank according to an embodiment of the invention, wherein the positioning device comprises a first portion, a second portion, a first pin, a second pin, and a torso portion, each of the torso portion and the first portion engaged with the first pin, at least one of the torso portion and the first portion rotatable relative to the first pin such that the first portion is rotatably connected to the torso portion relative to the torso portion via the first pin, each of the torso portion and the second portion engaged with the second pin, at least one of the torso portion and the second portion rotatable relative to the second pin such that the second portion is rotatably connected to the torso portion relative to the torso portion via the second pin, wherein the torso portion of the positioning device is positioned perpendicular to the front surfaces of the steel frame and the titanium plate, Between a respective one of the rear surface, the left side surface and the right side surface, the first portion rests on the steel frame, the second portion rests on a respective one of the front surface, the rear surface, the left side surface and the right side surface of the titanium plate, at least one of the first portion and the second portion of the positioning device being tiltably arranged with respect to a horizontal plane.
According to the titanium steel composite blank provided by the embodiment of the invention, the first pin shaft and the second pin shaft are horizontally arranged, and the first pin shaft and the second pin shaft are parallel to one corresponding one of the front surface, the rear surface, the left side surface and the right side surface of the titanium plate.
According to the titanium steel composite blank provided by the embodiment of the invention, the positioning device is flat.
A titanium steel composite blank according to an embodiment of the invention, wherein each of the torso portion, the first portion and the second portion of the positioning device comprises:
a rectangular parallelepiped portion having a first end face and a second end face opposing in a length direction thereof; and a first semi-cylindrical portion and a second semi-cylindrical portion, the first semi-cylindrical portion being disposed on the first end surface, the second semi-cylindrical portion being disposed on the second end surface.
According to the titanium steel composite blank of the embodiment of the invention, the number of the first parts is two, the number of the trunk parts is two, the trunk parts are clamped between the two first parts in the axial direction of the first pin shaft, the number of the second parts is two, and the trunk parts are clamped between the two second parts in the axial direction of the second pin shaft.
A titanium steel composite blank according to an embodiment of the invention, wherein each of the torso portion, the first portion, and the second portion has first and second ends opposite in a length direction thereof, the first pin passes through the second end of the first portion, the first end of the torso portion has a hole, and the first pin mates with the hole of the first end of the torso portion; the second pin passes through the first end of the second portion, the second end of the torso portion has a hole, and the second pin mates with the hole of the first end of the second portion. A titanium steel composite blank according to an embodiment of the invention, wherein each of the torso portion, the first portion and the second portion has a height of 1mm-2mm, each of the torso portion, the first portion and the second portion has a width of 2mm-6mm, and each of the torso portion, the first portion and the second portion has a ratio of width to height of 3: 1.
according to the titanium steel composite blank provided by the embodiment of the invention, when the positioning device is horizontally placed, the total length L is as follows:
L＝(αsteel×T×LSteel-αTitanium (IV)×T×LTitanium (IV))×0.5+DFruit of Chinese wolfberry-1
Wherein T is the highest heating temperature of the titanium steel composite blank; l isSteelA room-temperature length of a steel plate that is the titanium steel composite blank in a length direction of the trunk portion; l isTitanium (IV)A room-temperature length of a titanium plate of the titanium steel composite blank in a length direction of the trunk portion; dFruit of Chinese wolfberryThe actual gap width of the titanium plate and the steel frame of the titanium steel composite blank at room temperature in the length direction of the trunk part; alpha is alphaSteelIs the thermal expansion coefficient of the steel plate; alpha is alphaTitanium (IV)Is the coefficient of thermal expansion of commercially pure titanium.
Drawings
FIG. 1 is a schematic representation of a titanium steel composite blank according to an embodiment of the present invention before heating;
FIG. 2 is a schematic view of a titanium steel composite blank according to an embodiment of the present invention after heating;
FIG. 3 is a front view of a positioning device according to an embodiment of the present invention;
FIG. 4 is a top view of a positioning device according to an embodiment of the present invention;
reference numerals:
an upper steel plate 1; a lower steel plate 2; a steel frame 3; a titanium plate 4;
a positioning device 5; a first portion 51; a second portion 52; a first pin 53; a second pin 54; torso portion 55.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
As shown in fig. 1 to 4, the titanium steel composite blank according to the embodiment of the present invention includes an upper steel plate 1, a lower steel plate 2, a steel frame 3, a titanium plate 4, and a positioning device 5. The steel frame 3 is provided on the upper surface of the lower steel plate 2, and the upper steel plate 1 is provided on the upper surface of the steel frame 3. The titanium plate 4 is arranged on the upper surface of the lower steel plate 2, the titanium plate 4 is positioned on the inner side of the steel frame 3, and the titanium plate 4 is spaced apart from the steel frame 3.
The titanium plate 4 may be a single titanium plate, or may be formed by stacking two or more titanium plates.
A positioning device 5 is provided between each of the front surface, the rear surface, the left side surface and the right side surface of the titanium plate 4 and the steel frame 3. That is, at least two positioning devices 5 are arranged between the front surface of the titanium plate 4 and the steel frame 3, and the two positioning devices 5 are respectively placed at the positions of the front surface close to the two ends in the length direction; at least two positioning devices 5 are arranged between the rear surface of the titanium plate 4 and the steel frame 3, and the two positioning devices 5 are respectively placed at the positions, close to the two ends, of the rear surface in the length direction; at least two positioning devices 5 are arranged between the left side surface of the titanium plate 4 and the steel frame 3, and the two positioning devices 5 are respectively placed at the positions, close to the two ends, of the left side surface in the length direction; at least two positioning devices 5 are arranged between the right side surface of the titanium plate 4 and the steel frame 3, and the two positioning devices 5 are respectively placed at the positions, close to the two ends, of the right side surface in the length direction.
Wherein, a positioning device 5 is arranged in the gap between the titanium plate 4 and the steel frame 3, and a positioning device 5 is respectively arranged at the one quarter and the three quarters of the length of each edge of the titanium plate 4.
Wherein, the distance between two sides of the positioning device 5 at the position of one fourth and three quarters of the length of each side of the titanium plate 4 is 10-50 mm, and then one positioning device 5 is respectively placed. That is, a total of six positioning means 5 are placed on each side of the titanium plate 4.
The positioning means 5 rest on the steel frame 3 and a corresponding one of the front surface, the rear surface, the left side surface and the right side surface of the titanium plate 4. In other words, the positioning means 5 provided between the front surface of the titanium plate 4 and the steel frame 3 is leant on the front surfaces of the steel frame 3 and the titanium plate 4, the positioning means 5 between the rear surface of the titanium plate 4 and the steel frame 3 is leant on the rear surfaces of the steel frame 3 and the titanium plate 4, the positioning means 5 between the left side surface of the titanium plate 4 and the steel frame 3 is leant on the left side surface of the steel frame 3 and the titanium plate 4, and the positioning means 5 between the right side surface of the titanium plate 4 and the steel frame 3 is leant on the right side surface of the steel frame 3 and the titanium plate 4.
At least a part of the positioning means 5 can be arranged obliquely with respect to the horizontal. At least a part of the positioning device 5 can be arranged obliquely to the horizontal plane by: before the titanium steel composite blank is heated, at least a part of the positioning device 5 is arranged obliquely relative to the horizontal plane.
After the titanium steel composite blank is heated, the interval between the steel frame 3 and the titanium plate 4 becomes large because the thermal expansion coefficient of the steel frame 3 is larger than that of the titanium plate 4. Specifically, the interval between each of the front surface, the rear surface, the left side surface and the right side surface of the titanium plate 4 and the steel frame 3 becomes large. At this time, since at least a portion of the positioning device 5 is disposed obliquely with respect to the horizontal plane, the at least a portion of the positioning device 5 naturally falls downward under the gravity thereof, so that the included angle between the at least a portion of the positioning device 5 and the horizontal plane can be made smaller, which further results in an increase in the length of the at least a portion of the positioning device 5 in the horizontal direction, that is, an increase in the length of the projection of the at least a portion of the positioning device 5 on the horizontal plane.
Therefore, the positioning device 5 can always lean on the steel frame 3 and one of the front surface, the rear surface, the left side surface and the right side surface of the titanium plate 4, so that the positioning device 5 can always limit the position of the titanium plate 4, the movement and the dislocation of the titanium plate 4 are avoided, the cutting precision of the double-sided shears in the subsequent plate dividing process is improved, the loss of materials is reduced, and especially the loss of the titanium plate 4 is reduced.
As shown in fig. 1-4, the titanium steel composite blank comprises an upper steel plate 1, a lower steel plate 2, a steel frame 3, a titanium plate 4 and a positioning device 5. Each of the upper steel plate 1, the lower steel plate 2, and the titanium plate 4 can be horizontally disposed. Whereby at least a part of the positioning means 5 can be arranged obliquely with respect to the titanium plate 4. Each of the upper steel plate 1, the lower steel plate 2, and the titanium plate 4 can be horizontally disposed means that: each of the upper steel plate 1, the lower steel plate 2, and the titanium plate 4 is horizontally disposed before the titanium steel composite blank is heated.
In some embodiments, the positioning device 5 is comprised of a first portion 51, a second portion 52, a first pin 53, a second pin 54, and a torso portion 55, as shown in fig. 3 and 4, the positioning device 5 includes a first portion 51, a second portion 52, a first pin 53, a second pin 54, a torso portion 55; first portion 51 is engaged with first pin 53, and at least one of torso portion 55 and first portion 51 is rotatable relative to first pin 53, such that first portion 51 is rotatably coupled to torso portion 55 relative to torso portion 55 via first pin 53; second portion 52 is engaged with second pin 54, and at least one of torso portion 55 and second portion 52 is rotatable relative to second pin 54, such that second portion 52 is rotatably coupled to torso portion 55 relative to torso portion 55 via second pin 54; first portion 51 is thereby able to rotate relative to torso portion 55, and second portion 52 is also able to rotate relative to torso portion 55.
As shown in fig. 1-4, torso portion 55 of positioning device 5 is vertically positioned between steel frame 3 and a respective one of the front, rear, left and right sides of titanium plate 4, with first portion 51 resting on steel frame 3 and second portion 52 resting on a respective one of the front, rear, left and right sides of titanium plate 4. At least one of the first portion 51 and the second portion 52 can be disposed obliquely with respect to the titanium plate 4. In other words, the first portion 51 of the positioning device 5, which is provided between the front surface and the steel frame 3, rests on the front side steel frame 3 inner side surface, and the second portion 52 rests on the front surface of the titanium plate 4; the first part 51 of the positioning device 5, which is arranged between the rear surface and the steel frame 3, rests on the inner side surface of the rear side steel frame 3, and the second part 52 rests on the rear surface of the titanium plate 4; the first part 51 of the positioning device 5 arranged between the left side surface and the steel frame 3 leans against the inner side surface of the left side steel frame 3, and the second part 52 leans against the left side surface of the titanium plate 4; the first part 51 of the positioning device 5, which is arranged between the right side face and the steel frame 3, rests on the inner side surface of the right side steel frame 3, and the second part 52 rests on the right side face of the titanium plate 4.
Wherein the first pin 53 and the second pin 54 are both parallel to each other and are both parallel to a corresponding one of the front surface, the rear surface, the left side surface and the right side surface of the titanium plate 4. Specifically, the first pin 53 and the second pin 54 of the positioning device 5 disposed between the front surfaces of the steel frame 3 and the titanium plate 4 are parallel to the front surface of the titanium plate 4, the first pin 53 and the second pin 54 of the positioning device 5 disposed between the rear surfaces of the steel frame 3 and the titanium plate 4 are parallel to the rear surface of the titanium plate 4, the first pin 53 and the second pin 54 of the positioning device 5 disposed between the left surfaces of the steel frame 3 and the titanium plate 4 are parallel to the left surface of the titanium plate 4, and the first pin 53 and the second pin 54 of the positioning device 5 disposed between the right surfaces of the steel frame 3 and the titanium plate 4 are parallel to the right surface of the titanium plate 4.
The titanium plate 4 and the steel frame 3 in the titanium steel composite blank have an interval, the interval between the titanium plate 4 and the steel frame 3 is more than 10mm, and before heating, the body part 55 of the positioning device 5 limits the dislocation movement of the titanium plate 4 in the hoisting process. After heating, the coefficient of thermal expansion of commercially pure titanium is 0.8 x 10 due to the difference in the coefficients of thermal expansion of the two materials, titanium and steel-5The coefficient of thermal expansion of the steel is 1.2X 10 DEG C-5And therefore the gap will increase further during heating of the composite billet. According to the width of 2m and the length of 3mThe difference in width expansion of the two materials is about 10mm, and the difference in length expansion is about 15 mm. This results in further increase of the range of motion of the titanium plate 4 in the core of the composite blank, and therefore, the position stability of the titanium plate 4 in the lifting process and the heating process cannot be ensured by a single fixing mode.
The positioning device 5 of the present invention comprises a positioning device 5 comprising a first portion 51, a second portion 52, a first pin 53, a second pin 54, and a torso portion 55, wherein the first portion 51 is capable of rotating relative to the torso portion 55, and the second portion 52 is also capable of rotating relative to the torso portion 55. This configuration allows the length of the positioning device 5 in the horizontal direction to be varied. After the titanium steel composite blank is heated, the corresponding interval between the titanium plate 4 and the steel frame 3 is increased, the positioning device 5 leans against the first part 51 of the steel frame 3 and naturally faces downwards under the action of gravity, the second part 52 of the positioning device 5 leans against the corresponding one of the front surface, the rear surface, the left side surface and the right side surface of the titanium plate 4 and naturally faces downwards under the action of gravity, the length of the positioning device 5 in the horizontal direction is increased, and at the moment, the positioning device 5 can still keep the supporting effect on the titanium plate 4 and stabilize the position of the titanium plate 4.
After composite rolling without placing the positioning device 5, the position of the titanium plate 4 is deflected and dislocated, the feeding width of a bilateral cutting shear is 91-98 mm, and the loss percentage of a titanium material is 1.55-2.17%; after the positioning device 5 is placed, composite rolling is carried out, the position of the titanium plate 4 is centered, the feeding width of the bilateral cutting scissors is 71mm-75mm, and the loss percentage of the titanium material is 0.34% -0.55%.
As shown in fig. 3-4, the first portion 51, the second portion 52, and the torso portion 55 of the positioning device 5 include: a first semi-cylindrical portion, a second semi-cylindrical portion, and a rectangular parallelepiped portion. The rectangular solid portion has a first end face and a second end face opposed to each other in a longitudinal direction thereof, the first semi-cylindrical portion is provided on the first end face, and the second semi-cylindrical portion is provided on the second end face. Wherein, the shape of both ends of the first semi-cylindrical part and the second semi-cylindrical part is semicircular or 1/4 circular.
As shown in fig. 3 to 4, according to the positioning device 5 for a titanium steel composite blank of the embodiment of the present invention, there are two first portions 51, each of the first portions 51 has the same height and width as a trunk portion 55, and the trunk portion 55 is sandwiched between the two first portions 51 in the axial direction of the first pin 53. The second portions 52 are two, and each of the second portions 52 has the same height and width as the trunk portion 55, and the trunk portion 55 is sandwiched between the two second portions 52 in the axial direction of the second pin 54. Wherein, the first part 51 and the second part 52 are two, so that the position is more stable when the positioning device 5 is abutted against the steel frame 3 and the titanium plate 4.
According to the positioning device 5 for the titanium steel composite blank of the embodiment of the invention, the height a of each of the trunk portion 55, the first portion 51 and the second portion 52 is 1mm-2mm, the width b of each of the trunk portion 55, the first portion 51 and the second portion 52 is 2mm-6mm, and the ratio b of the width to the height of each of the trunk portion 55, the first portion 51 and the second portion 52 is: a is 3: 1.
according to the embodiment of the invention, the positioning device 5 for the titanium steel composite blank is characterized in that the total length L of the positioning device 5 when the positioning device is horizontally placed is as follows:
L＝(αsteel×T×LSteel-αTitanium (IV)×T×LTitanium (IV))×0.5+DFruit of Chinese wolfberry-1
Wherein T is the highest heating temperature of the titanium steel composite blank; l isSteelA room-temperature length of a steel plate that is the titanium steel composite blank in a length direction of the trunk portion; l isTitanium (IV)A room-temperature length of a titanium plate of the titanium steel composite blank in a length direction of the trunk portion; dFruit of Chinese wolfberryThe actual gap width of the titanium plate and the steel frame of the titanium steel composite blank at room temperature in the length direction of the trunk part; alpha is alphaSteelIs the thermal expansion coefficient of the steel plate; alpha is alphaTitanium (IV)Is the coefficient of thermal expansion of commercially pure titanium; 1 is 1 mm.
Wherein the length L of the body part 55 of the positioning device 51＝DFruit of Chinese wolfberry-1。
Wherein, when each of the first parts 51 of the positioning device 5 is leaned against the inner surface of the steel frame 3, the included angle between each of the first parts 51 and the horizontal direction is less than 45 degrees; each of the second portions 52 of the positioning means 5, when resting on a respective one of the front, rear, left and right side faces of the titanium plate 4, makes an angle of less than 45 ° with the horizontal.
Wherein the positioning means 5 are made of a metal having a melting point above 1000 ℃. Alternatively, the positioning device 5 is made of plain carbon steel.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the present disclosure, the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" and the like mean that a specific feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (10)
1. A titanium steel composite blank, comprising:
an upper steel plate and a lower steel plate;
the steel frame is arranged on the upper surface of the lower steel plate, and the upper steel plate is arranged on the upper surface of the steel frame;
the titanium plate is arranged on the upper surface of the lower steel plate, is positioned on the inner side of the steel frame and is spaced from the steel frame; and
a positioning device provided between each of a front surface, a rear surface, a left side surface and a right side surface of the titanium plate and the steel frame, the positioning device resting on the steel frame and a corresponding one of the front surface, the rear surface, the left side surface and the right side surface of the titanium plate, at least a portion of the positioning device being tiltably disposed with respect to a horizontal plane.
2. The titanium steel composite blank according to claim 1, wherein each of said upper steel plate, said lower steel plate and said titanium plate is horizontally disposed.
3. The titanium steel composite blank of claim 1, wherein said positioning device comprises a first portion, a second portion, a first pin, a second pin, and a torso portion, each of said torso portion and said first portion engaged with said first pin, at least one of said torso portion and said first portion rotatable relative to said first pin such that said first portion is rotatably coupled to said torso portion relative to said torso portion via said first pin, each of said torso portion and said second portion engaged with said second pin, at least one of said torso portion and said second portion rotatable relative to said second pin such that said second portion is rotatably coupled to said torso portion via said second pin, wherein said torso portion of said positioning device is positioned perpendicular to said front surface, and said titanium plate of said steel frame and said titanium plate Between a respective one of the rear surface, the left side surface and the right side surface, the first portion rests on the steel frame, the second portion rests on a respective one of the front surface, the rear surface, the left side surface and the right side surface of the titanium plate, at least one of the first portion and the second portion of the positioning device being tiltably arranged with respect to a horizontal plane.
4. The titanium steel composite blank of claim 3, wherein said first pin and said second pin are horizontally disposed, said first pin and said second pin being parallel to a respective one of said front surface, said rear surface, said left side surface and said right side surface of said titanium plate.
5. The titanium steel composite blank according to claim 1, wherein said positioning means is in the form of a plate.
6. The titanium steel composite blank of claim 3, wherein each of said torso portion, said first portion, and said second portion of said positioning device comprises:
a rectangular parallelepiped portion having a first end face and a second end face opposing in a length direction thereof; and a first semi-cylindrical portion and a second semi-cylindrical portion, the first semi-cylindrical portion being disposed on the first end surface, the second semi-cylindrical portion being disposed on the second end surface.
7. The titanium steel composite blank according to claim 6, wherein said first portion is two, said torso portion is sandwiched between said two first portions in an axial direction of said first pin, said second portion is two, and said torso portion is sandwiched between said two second portions in an axial direction of said second pin.
8. The titanium steel composite blank of claim 7, wherein each of said torso portion, said first portion and said second portion has first and second ends opposite in a lengthwise direction thereof, said first pin passes through said second end of said first portion, said first end of said torso portion has a hole, said first pin mates with said hole of said first end of said torso portion, said second pin passes through said first end of said second portion, said second end of said torso portion has a hole, said second pin mates with said hole of said first end of said second portion.
9. The titanium steel composite blank of claim 3, wherein each of said torso portion, said first portion, and said second portion has a height of 1mm-2mm, each of said torso portion, said first portion, and said second portion has a width of 2mm-6mm, and each of said torso portion, said first portion, and said second portion has a ratio of width to height of 3: 1.
10. the titanium steel composite blank according to claim 3, wherein the positioning device has a horizontal overall length L:
L＝(αsteel×T×LSteel-αTitanium (IV)×T×LTitanium (IV))×0.5+DFruit of Chinese wolfberry-1
Wherein T is the highest heating temperature of the titanium steel composite blank; l isSteelA room-temperature length of a steel plate that is the titanium steel composite blank in a length direction of the trunk portion; l isTitanium (IV)A room-temperature length of a titanium plate of the titanium steel composite blank in a length direction of the trunk portion; dFruit of Chinese wolfberryThe actual gap width of the titanium plate and the steel frame of the titanium steel composite blank at room temperature in the length direction of the trunk part; alpha is alphaSteelIs the thermal expansion coefficient of the steel plate; alpha is alphaTitanium (IV)Is the coefficient of thermal expansion of commercially pure titanium.
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