CN111702107A - Preparation process and system of marine concrete corrosion-resistant titanium alloy mesh structure - Google Patents

Preparation process and system of marine concrete corrosion-resistant titanium alloy mesh structure Download PDF

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Publication number
CN111702107A
CN111702107A CN202010582648.XA CN202010582648A CN111702107A CN 111702107 A CN111702107 A CN 111702107A CN 202010582648 A CN202010582648 A CN 202010582648A CN 111702107 A CN111702107 A CN 111702107A
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China
Prior art keywords
wire
titanium alloy
layer
driver
mesh structure
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CN202010582648.XA
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CN111702107B (en
Inventor
常辉
牛京喆
郭艳华
董月成
淡振华
李峰
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Nanjing Tech University
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Nanjing Tech University
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21FWORKING OR PROCESSING OF METAL WIRE
    • B21F27/00Making wire network, i.e. wire nets
    • B21F27/08Making wire network, i.e. wire nets with additional connecting elements or material at crossings
    • B21F27/10Making wire network, i.e. wire nets with additional connecting elements or material at crossings with soldered or welded crossings
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21FWORKING OR PROCESSING OF METAL WIRE
    • B21F23/00Feeding wire in wire-working machines or apparatus
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21FWORKING OR PROCESSING OF METAL WIRE
    • B21F27/00Making wire network, i.e. wire nets
    • B21F27/12Making special types or portions of network by methods or means specially adapted therefor
    • B21F27/20Making special types or portions of network by methods or means specially adapted therefor of plaster-carrying network

Abstract

The invention relates to the technical field of titanium alloy, and discloses a preparation process and a system of a marine concrete corrosion-resistant titanium alloy mesh structure. The wire feeder is used for feeding the titanium alloy wires to the wire receiving plate; the driver is arranged at the tail end of the wire feeding channel, the wire receiving plate is arranged on the driver, and the wire receiving plate is driven to move and rotate in the X-Y direction of the surface of the driver; the wire-connecting plate is provided with a substrate and array type grooves formed upwards from the substrate, the array type grooves at least comprise a first layer of grooves along a first direction and a second layer of grooves along a second direction along the height direction of the substrate, and a driver controls the wire-connecting plate to move and/or rotate in a mode of laying one by one and layer by layer so as to form at least two layers of crossed titanium alloy wires with a reticular structure on the wire-connecting plate; the welding system is used for spot welding at the crossing position of the titanium alloy wire. The invention can realize the titanium alloy mesh production process for ocean engineering in large-scale batch production, and improve the efficiency.

Description

Preparation process and system of marine concrete corrosion-resistant titanium alloy mesh structure
Technical Field
The invention relates to the technical field of titanium alloy, in particular to a marine concrete corrosion-resistant titanium alloy mesh structure and a preparation process thereof.
Background
Under the marine environment, the action of sea waves and tides can cause continuous impact on structures and structures near the sea and at the sea. The corrosion resistance of the traditional structures such as buildings, piers, revetments and the like with reinforced concrete structures can not meet the requirements of the strength and the corrosion resistance of the buildings under the ocean conditions of high salt, high humidity and the like. Therefore, the prior art provides a high-performance supporting device of marine titanium reinforced concrete and a preparation process thereof, and discloses a supporting device of marine titanium reinforced concrete, such as a retaining wall or a column building member, which comprises a concrete substrate and a titanium alloy bar structure wrapped in the substrate. Preferably, the titanium alloy bar structure adopts a titanium alloy bar, the reinforcing support is formed in an interweaving mode, and the titanium alloy bar structure is poured in the concrete base material. Therefore, the titanium alloy reinforcement is adopted to form the reinforced structure of the concrete base material, and the easily corroded HRB400 and the series of steel materials such as the common steel wire mesh are replaced, so that the corrosion resistance and the stability of the whole building component are improved, and the service life is prolonged.
The application can improve the corrosion resistance of the pier and other members and prolong the service life on the premise of equivalent strength and other properties by combining the use and test in the field of marine concrete. In the process, titanium alloy bars are adopted for reinforcement to form a cage structure, and the cage structure is poured into concrete, but for structures such as marine foundations, offshore buildings, slope protection and the like, besides the reinforcement of a core frame and a beam structure, the reinforcement also comprises the requirements of the marine building foundations and the reduction of water and soil loss caused by sea wave scouring around the buildings, and the shallow layers and the inner layers of the buildings and the foundation reinforcement are required to be carried out by utilizing a reinforcement structure with excellent mechanical properties such as corrosion resistance, strength and the like.
Prior art documents:
patent document 1: CN109184082A high-performance marine titanium reinforced concrete supporting device and preparation process
Disclosure of Invention
The invention aims to solve the problem that a preparation system of a marine concrete corrosion-resistant titanium alloy mesh structure is lacked in the prior art, provides a preparation method and a preparation system of the marine concrete corrosion-resistant titanium alloy mesh structure, realizes a large-scale mass production titanium alloy mesh production process for ocean engineering, improves the preparation efficiency and quality of the titanium alloy mesh, reduces the production cost, and expands the application field of the titanium alloy for ocean engineering.
According to a first aspect of the object of the invention, a preparation system of a marine concrete corrosion-resistant titanium alloy mesh structure is provided, which comprises a wire feeder, a wire receiving plate, a driver and a welding system, wherein:
the wire feeder is provided with a wire feeding channel adapted to the titanium alloy wire and used for feeding the titanium alloy wire pulled out of the titanium alloy wire rolling line to the wire receiving plate;
the driver is arranged at the tail end of the wire feeding channel, the wire splicing plate is arranged on the driver, and the driver is arranged for driving the wire splicing plate to move and rotate in the X-Y direction of the surface of the driver;
the wire-splicing plate is provided with a substrate and array slots formed upwards from the substrate, the array slots at least comprise a first layer of slots along a first direction and a second layer of slots along a second direction along the height direction of the substrate, and the driver is arranged to control the wire-splicing plate to move and/or rotate in a layer-by-layer laying mode so as to form at least two layers of crossed titanium alloy wires in a net structure on the wire-splicing plate;
the welding system is configured for spot welding at the intersection of the titanium alloy wires.
Preferably, the preparation system further comprises a transfer mechanism configured to transfer the wire receiving plate to below the welding system.
Preferably, the wire feed channel has an inlet that butts the end of the titanium alloy wire roll line and an outlet that faces the arrayed slots on the wire take-up plate.
Preferably, the wire feeder is provided with a body and a U-shaped groove formed by the body, the U-shaped groove forms the wire feeding channel, and a roller is arranged in the U-shaped groove to drive the wire feeding operation of the titanium alloy wire through the equidirectional movement of the roller.
Preferably, the driver comprises a driver base and an array type universal mobile station arranged on the surface of the base, the array type universal mobile station comprises a plurality of balls which can be independently driven, the wire connecting plate is supported and driven by the balls, and the X-Y direction movement and rotation of the wire connecting plate are realized through the change of the rotation direction of the balls.
Preferably, the driver comprises a base capable of moving in the X-Y direction and a rotating table arranged below the base, and the base is driven to rotate by the rotating table so as to drive the wire connecting plate arranged on the driver to integrally rotate.
Preferably, the first layer of slots and the second layer of slots are uniformly distributed in parallel at equal intervals on each layer.
Preferably, the welding system comprises a portal frame and a welding gun supported on the portal frame, and the welding gun is mounted on the portal frame through an X-Y direction moving mechanism so that a welding head of the welding gun can move to cross positions corresponding to titanium alloy wires of different height layers in the X-Y direction for spot welding.
Preferably, the X-Y moving mechanism includes a first moving mechanism disposed across a pair of beams of the gantry, the first moving mechanism is composed of two relatively vertical linear motion modules, each of the first linear motion modules includes a first moving portion and a first fixing portion, the first fixing portion is integrated on the beam, the first moving portion is supported on the beam and can slide along the beam, the second linear motion module has a second moving portion and a second fixing portion, the second fixing portion is transversely and fixedly connected to the two first moving portions and can synchronously move along with the first moving portion, the second moving portion is disposed to slide along the second fixing portion, and the welding gun is fixed to the second moving portion.
Preferably, the welding system includes a multi-axis robot and a welding gun mounted on a robot arm of the multi-axis robot, the multi-axis robot driving the welding gun to move above the wire receiving plate to spot-weld the crossing position.
Preferably, the angle between the first direction and the second direction is 45 ° or 90 °.
Preferably, the depth of the first layer of slots is greater than the depth of the second layer of slots.
According to the second aspect of the invention, the invention also provides a preparation process of the marine concrete corrosion-resistant titanium alloy mesh structure, which comprises the following steps:
step 1, preparing a titanium alloy bar, performing rolling and wire drawing treatment, and rolling into a preset titanium alloy wire;
step 2, continuously conveying the titanium alloy wires to a first layer of groove positions at the bottom of the wire receiving plate through a wire feeding channel of a wire feeder, wherein the wire feeding channel of the wire feeder is aligned to the first layer of groove positions so that the titanium alloy wires fall into the bottoms of the corresponding first layer of groove positions, and the driver controls the movement of the wire receiving plate in a one-by-one laying mode so as to fully lay the first layer of groove positions one by one;
step 3, after the first layer of groove positions are fully paved, the driver controls the wire receiving plate to rotate so that the wire feeding channel of the wire feeder is aligned to the second layer of groove positions, and the titanium alloy wires fall into the corresponding second layer of groove positions to form a cross structure with different heights with the titanium alloy wires in the first layer of groove positions;
step 4, moving the wire connecting plate to a welding station, and performing spot welding fixing on the crossed position of the titanium alloy wire;
and 5, re-laying the wire splicing plates on the driver, and repeating the steps 2-4.
Preferably, in the step 4, the wire connecting plate is moved in one of the following manners:
1) the driver is arranged in an extending mode, so that the length of the driver in the length direction is at least larger than 2-3 times that of the wire connecting plate, and the wire connecting plate after wire connection is driven by the driver to move to a spot welding station along the length direction; and
2) and transferring the wire receiving plate after wire receiving to a spot welding station through a flat plate type moving trolley.
Preferably, the titanium alloy wire is a titanium-iron-boron alloy wire, the diameter of the titanium-iron-boron alloy wire is 2-7mm, a laser with the power of 2-3KW is used, and the cross points of the upper layer of titanium alloy wire and the lower layer of titanium alloy wire are connected in a spot welding mode through driving of a portal frame or a multi-axis robot.
Compared with the prior art, the invention has the following remarkable advantages:
1. the invention provides a novel application form of titanium alloy, namely a titanium alloy wire mesh structure in a concrete structure of ocean engineering, which is manufactured and used as a prefabricated part, is poured into concrete in a single-layer, especially multilayer, stacking mode, and is used for reinforcing the titanium alloy concrete structure in the ocean engineering, especially shallow layers and inner layers of buildings and foundation reinforcement, and the prefabricated part reinforcing structure with excellent corrosion resistance and strength mechanical property is utilized to reduce the problem of water and soil loss caused by sea wave scouring of ocean building foundations and the periphery of the buildings;
2. the invention provides a preparation system and a preparation process of a titanium alloy wire mesh structure in a concrete structure of ocean engineering. It is particularly preferred that the angle of rotation is adjustable.
3. The preparation system and the preparation process of the titanium alloy wire mesh structure in the concrete structure of ocean engineering have the advantages of short flow, low cost and high efficiency from the realization process, can realize continuous industrial production, reduce the use cost of the titanium alloy and expand the application scenes and fields of the titanium alloy. Particularly, the titanium alloy wire mesh structure prepared by the method can be mixed with a traditional titanium alloy bar for use, a plurality of layers of titanium alloy wire mesh structures are paved in a prefabricated part for reinforcing a substrate and a building body, the titanium alloy bar is inserted for supporting and reinforcing the root strength, and the strength, the corrosion resistance and the fatigue resistance of the marine concrete building and the structure are improved on the whole.
Drawings
The drawings are not intended to be drawn to scale. In the drawings, each identical or nearly identical component that is illustrated in various figures may be represented by a like numeral. For purposes of clarity, not every component may be labeled in every drawing. Embodiments of various aspects of the present invention will now be described, by way of example, with reference to the accompanying drawings, in which:
FIG. 1 is a schematic diagram of a wire feeder and drive configuration in accordance with an exemplary embodiment of the present invention.
FIG. 2 is a schematic view of a wire feeder, wire receiving plate configuration in which wire is fed into slots of the wire receiving plate in sections, one by one, in accordance with an exemplary embodiment of the present invention.
FIG. 3 is a schematic view of a wire laying process of the wire-receiving plate according to an exemplary embodiment of the present invention.
FIG. 4 is a schematic view of a wire-receiving plate after two layers of wire have been laid on the wire-receiving plate in accordance with an exemplary embodiment of the present invention.
Fig. 5 is a schematic illustration of spot welding by a gantry supported welding gun in accordance with an exemplary embodiment of the present invention.
Fig. 6 is a metallographic structure diagram of a titanium wire according to an exemplary embodiment of the invention.
Detailed Description
In order to better understand the technical content of the present invention, specific embodiments are described below with reference to the accompanying drawings.
In this disclosure, aspects of the present invention are described with reference to the accompanying drawings, in which a number of illustrative embodiments are shown. Embodiments of the present disclosure are not necessarily intended to include all aspects of the invention. It should be appreciated that the various concepts and embodiments described above, as well as those described in greater detail below, may be implemented in any of numerous ways, as the disclosed concepts and embodiments are not limited to any one implementation. In addition, some aspects of the present disclosure may be used alone, or in any suitable combination with other aspects of the present disclosure.
According to the preparation system of the marine engineering concrete corrosion-resistant titanium alloy net structure, the titanium alloy net production process for marine engineering is realized, the preparation efficiency and quality of the titanium alloy net are improved, the production cost is reduced, the application field of the titanium alloy for marine engineering is expanded, the slope protection, the substrate and the main body structure in the marine concrete field are enhanced, and the problem of water and soil loss caused by sea wave scouring on the marine building foundation and the periphery of the building is solved by utilizing the prefabricated part enhanced structure with excellent corrosion resistance and strength mechanical property.
The preparation system of the marine concrete corrosion-resistant titanium alloy mesh structure shown in fig. 1-5 comprises a wire feeder 10, a wire receiving plate 20, a driver 30 and a welding system 40.
The wire feeder 10 is configured to be fitted to the end of a titanium alloy wire drawing line for feeding a titanium alloy wire drawn from a rolled line of the titanium alloy wire to a wire receiving plate. The diameter of the wire is preferably between 2 and 7mm, so that the later interweaving and spot welding are facilitated.
Referring to fig. 1 and 2, the wire feeder 10 has a body 11 and a U-shaped groove formed through the body, wherein the U-shaped groove forms a wire feeding channel and is adapted to the size of the titanium alloy wire for wire feeding. A roller 13 is arranged in the U-shaped groove, and the wire feeding operation of the titanium alloy wires is driven by the same-direction movement of the roller 13.
The driver 30 is disposed at the end of the wire feeding passage, and the wire receiving plate 20 is disposed on the upper surface of the driver 30. In embodiments of various aspects of the present invention, the driver 30 is configured to drive the splice plate 20 in X-Y movement and rotation on the driver surface.
The wire-bonding plate 20 has a base and arrayed slots formed upward from the base, the arrayed slots include at least a first layer of slots 21 along a first direction and a second layer of slots 22 along a second direction along a height direction of the base, and the driver 30 is configured to control movement and/or rotation of the wire-bonding plate 20 in a layer-by-layer laying manner to form at least two layers of intersecting mesh-structured titanium alloy wires on the wire-bonding plate 20.
In FIGS. 1 to 5, a titanium alloy wire is shown at 100, and the length of the wire drawn from a pass line is cut into a predetermined length according to the size of a wire receiving plate. The dimensioning of the patch panels may be determined by prefabricated building elements, for example with a dimensioning of 1m by 1m, 1m by 2m or more.
The welding system 40 is configured to spot weld at the intersection of the titanium alloy wire to integrate the entire titanium wire mesh structure and remove it from the wire bond plate by flipping or other transfer.
Preferably, the preparation system further comprises a transfer mechanism, such as a forklift or flat traveling cart, configured to transfer the wire receiving plate to below the welding system.
Preferably, the wire feed channel has an inlet to the end of the titanium alloy wire roll line and an outlet to the arrayed slots in the wire take-up plate.
As shown in fig. 1 to 3, the actuator 30 includes an actuator base 31 and an array type gimbal table disposed on a surface of the base, and includes a plurality of balls 33 that can be independently driven, and the wire connecting plate 20 is supported and driven by the balls 33, and the X-Y movement and rotation of the wire connecting plate are realized by the change of the rotation direction of the balls. In this embodiment, the balls may be arranged to drive movement and rotation of the splice plate by way of electrical drive rotation.
In other embodiments, the driver 30 may also realize the X-Y movement and rotation through a rotating table structure, for example, in some cases, it includes a base capable of moving in the X-Y direction and a rotating table disposed below the base, and the base is driven to rotate by the rotating table to drive the wire connecting plate disposed on the driver to rotate integrally. The base capable of moving in the X-Y direction can be realized by arranging an X-direction linear motion mechanism and a Y-direction linear motion mechanism on the base, such as a linear motor or a lead screw linear module.
Preferably, the first layer slots 21 and the second layer slots 22 are evenly distributed in parallel at equal intervals on each layer.
In the foregoing embodiment, the included angle between the first direction and the second direction is 45 ° or 90 °, so as to form a 45 ° crossed or vertically crossed titanium alloy mesh structure, thereby enhancing the overall stability and uniformity. In other embodiments, the angle between the two directions can be designed to be other suitable angles.
Preferably, the depth of the first-layer slot 21 is greater than the depth of the second-layer slot 22. Therefore, the first layer of groove position is located at the bottom, in the wire receiving process, the received titanium alloy wire directly falls into the bottom for arrangement, the second layer of groove position is located above, and therefore the interweaving structure is directly formed without adjustment between the two layers.
Preferably, the welding system 40 includes a gantry 41 and a welding gun 45 supported on the gantry, the welding gun being mounted to the gantry by an X-Y moving mechanism so that a welding head of the welding gun is moved in the X-Y direction to cross positions corresponding to different height layers of titanium alloy wire for spot welding.
Preferably, the X-Y moving mechanism includes a first moving mechanism disposed across a pair of beams of the gantry, and the first moving mechanism is composed of two relatively vertical linear motion modules, i.e., a first linear motion module 42 and a second linear motion module 43.
The first linear motion module 42 includes a first moving portion 42A and a first fixed portion 42B, the first fixed portion 42B is integrated on the cross beam, and the first moving portion 42A is supported on and slidable along the cross beam.
The second rectilinear motion module 43 has a second motion portion 43A and a second fixed portion 43B, the second fixed portion 43B being fixedly connected transversely to the two first motion portions 42A and being movable synchronously with the first motion portions, the second motion portion 43A being arranged to slide along the second fixed portion, and a welding gun 45 being fixed to the second motion portion 43A.
So, through two linear motion modules, linear electric motor realizes the removal and the location to the spot welding position promptly. The moving part of each linear motor is configured to move linearly when the linear motor is energized.
In further embodiments, the welding system 40 may be implemented with a multi-axis robot, which in an alternative example includes a multi-axis robot and a welding gun mounted on a robotic arm of the multi-axis robot that drives the welding gun over the wire receiving plate to spot weld the intersection location.
By combining the preparation system of the titanium alloy wire mesh structure of the embodiment, the preparation process for preparing the marine concrete corrosion-resistant titanium alloy mesh structure comprises the following steps:
step 1, preparing a titanium alloy bar, performing rolling and wire drawing treatment, and rolling into a preset titanium alloy wire;
step 2, continuously conveying the titanium alloy wires to a first layer of groove positions at the bottom of the wire receiving plate through a wire feeding channel of a wire feeder, wherein the wire feeding channel of the wire feeder is aligned to the first layer of groove positions so that the titanium alloy wires fall into the bottoms of the corresponding first layer of groove positions, and a driver controls the movement of the wire receiving plate in a one-by-one laying mode so as to fully lay the first layer of groove positions one by one;
step 3, after the first layer of groove positions are fully paved, the driver controls the wire receiving plate to rotate so that the wire feeding channel of the wire feeder is aligned to the second layer of groove positions, the titanium alloy wires fall into the corresponding second layer of groove positions, and a cross structure with different heights is formed between the titanium alloy wires in the first layer of groove positions and the titanium alloy wires;
step 4, moving the wire connecting plate to a welding station, and performing spot welding fixing on the crossed position of the titanium alloy wire;
and 5, re-laying the wire splicing plates on the driver, and repeating the steps 2-4.
Therefore, when welding, the other wire connecting plate can be fed to the wire connecting position, and the efficiency is improved.
In another embodiment, the wire connecting plate may further be provided with a plurality of layers of slots, for example, three layers, to form a covering intersection with the middle layer.
In the wire splicing process, the initial slot position and the wire splicing channel can be aligned through the visual recognition system, and in the subsequent wire splicing process, the accurate positioning wire splicing is realized by accurately controlling the movement stroke of the driver according to the spacing distance between the slot positions.
In other embodiments, the alignment of the initial slot and the wire connecting channel can be realized by a photoelectric sensor.
Preferably, the determination and alignment of the welding initial position of the wire connecting plate in the welding process are realized by the same scheme as that in the wire connecting process.
Preferably, in step 4, the filament plate is moved in one of the following ways:
1) the driver is arranged in an extending mode, so that the length of the driver in the length direction is at least larger than 2-3 times that of the wire connecting plate, and the wire connecting plate after wire connection is driven by the driver to move to a spot welding station along the length direction; and
2) and transferring the wire receiving plate after wire receiving to a spot welding station through a flat plate type moving trolley.
Preferably, the titanium alloy wire is a titanium-iron-boron alloy wire, the diameter of the titanium-iron-boron alloy wire is 2-7mm, a laser with the power of 2-3KW is used, and the cross points of the upper layer of titanium alloy wire and the lower layer of titanium alloy wire are connected in a spot welding mode through driving of a portal frame or a multi-axis robot.
Exemplary implementations of the above-described processes are described in detail below with reference to specific examples.
1) 1560kg of raw materials are evenly mixed according to the alloy proportion of Ti-2Fe-0.1B, equally divided into 12 blocks and pressed into electrode blocks. After welding the electrodes in 6 blocks as one group, the two groups of electrodes are respectively smelted by a VAR consumable electrode smelting method. And removing impurities at two ends of the two groups of primary ingots after smelting, then welding again, and carrying out secondary smelting to obtain finished ingots.
Turning the finished cast ingot to remove surface oxide skin, wherein the final size of the finished cast ingot is phi 420x560 mm; detecting components of sample turning scraps at the head part, the middle part and the tail part, wherein the components of the cast ingot are shown in a table I;
2) heating the cast ingot in an electric furnace to 850 ℃, preserving heat for 0.5-1 hour, heating to 1020 ℃ after 2 hours, and preserving heat for 2 hours. Then ingot casting cogging forging is carried out, and cogging deformation is carried out to 280 mm. After the furnace is returned and the temperature is kept at 1020 ℃ for two hours, forging the steel plate by two heats to obtain a square bar with the side length of 150mm, and completing cogging forging;
3) returning the 150mm side length square rod to the furnace, heating to 950 ℃, preserving heat for 1.5 hours, and forging into a phi 125mm round rod to finish forging;
4) heating a round bar with the diameter of 125mm to 600 ℃ by using an induction furnace, keeping the temperature for 1 minute, continuing to heat to 820 ℃, keeping the temperature for one minute, and then starting to roll. Rolling into a bar with the diameter of 6mm after 6-7 passes of rolling, wherein the metallographic structure of the bar is shown in figure 6;
5) the wire is processed into a rod-shaped drawing with the diameter of phi 3mm at a parallel section according to various index requirements in GB/T228.1-2010 to obtain the wire, and the mechanical property test of the wire is shown in Table 2;
6) paving the wire materials into a ceramic wire connection plate or a high-temperature alloy wire connection plate according to the method shown in the figure 2 and the figure 3, wherein the mesh spacing of a ceramic substrate is 0.1m, and the length multiplied by the width of the substrate is 1m x 1 m;
7) and integrally moving the ceramic connecting plate and the reinforcing steel bars to the position below the portal frame, and performing spot welding connection on the upper layer of bars and the lower layer of bars by using a 3kW laser through moving the position of the portal beam.
TABLE 1 actual composition of ingot
TABLE 2 mechanical Properties of the wire
Therefore, the titanium alloy wire obtained by drawing has better performance requirements on yield strength, tensile strength, elongation and reduction of area, and meets the strength requirement of the traditional steel concrete.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to be limited thereto. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the invention. Therefore, the protection scope of the present invention should be determined by the appended claims.

Claims (15)

1. The preparation system of the marine concrete corrosion-resistant titanium alloy mesh structure is characterized by comprising a wire feeder, a wire receiving plate, a driver and a welding system, wherein:
the wire feeder is provided with a wire feeding channel adapted to the titanium alloy wire and used for feeding the titanium alloy wire pulled out of the titanium alloy wire rolling line to the wire receiving plate;
the driver is arranged at the tail end of the wire feeding channel, the wire splicing plate is arranged on the driver, and the driver is arranged for driving the wire splicing plate to move and rotate in the X-Y direction of the surface of the driver;
the wire-splicing plate is provided with a substrate and array slots formed upwards from the substrate, the array slots at least comprise a first layer of slots along a first direction and a second layer of slots along a second direction along the height direction of the substrate, and the driver is arranged to control the wire-splicing plate to move and/or rotate in a layer-by-layer laying mode so as to form at least two layers of crossed titanium alloy wires in a net structure on the wire-splicing plate;
the welding system is configured for spot welding at the intersection of the titanium alloy wires.
2. The marine concrete corrosion-resistant titanium alloy mesh structure production system according to claim 1, further comprising a transfer mechanism configured to transfer the wire receiving plate below the welding system.
3. The marine concrete corrosion-resistant titanium alloy mesh structure production system according to claim 1, wherein the wire feeding channel has an inlet and an outlet, the inlet is butted against the end of the titanium alloy wire rolling line, and the outlet is faced to the arrayed slots on the wire receiving plate.
4. The system for preparing a marine concrete corrosion-resistant titanium alloy mesh structure according to claim 1, wherein the wire feeder has a body and a U-shaped groove formed through the body, the U-shaped groove constitutes the wire feeding channel, and rollers are arranged in the U-shaped groove to drive wire feeding operation of titanium alloy wires through the same-direction movement of the rollers.
5. The system for preparing marine concrete corrosion-resistant titanium alloy mesh structure according to claim 1, wherein the actuator comprises an actuator base and an array type universal moving table disposed on the surface of the base, and comprises a plurality of balls which can be independently driven, the wire receiving plate is supported and driven by the balls, and the X-Y direction movement and rotation of the wire receiving plate are realized by the change of the rotation direction of the balls.
6. The system for preparing marine concrete corrosion-resistant titanium alloy mesh structure according to claim 1, wherein the driver comprises a base capable of moving in X-Y direction and a rotary table disposed below the base, and the base is driven by the rotary table to rotate so as to drive the wire connecting plate disposed on the driver to rotate integrally.
7. The system of claim 1, wherein the first and second layers of slots are equally spaced apart and uniformly distributed in parallel on each layer.
8. The marine concrete corrosion-resistant titanium alloy mesh structure preparation system according to any one of claims 1 to 7, wherein the welding system comprises a portal frame and a welding gun supported on the portal frame, and the welding gun is mounted on the portal frame through an X-Y moving mechanism so that a welding head of the welding gun can move to cross positions corresponding to titanium alloy wires of different height layers in an X-Y direction for spot welding.
9. The marine concrete corrosion-resistant titanium alloy mesh structure preparation system according to claim 8, characterized in that the X-Y direction moving mechanism comprises a first moving mechanism which is arranged on a pair of beams of the portal frame in a crossing way, the first moving mechanism is composed of two relatively vertical linear motion modules, the first linear motion module comprises a first moving part and a first fixing part, the first fixing part is integrated on the cross beam, the first moving part is supported on the cross beam and can slide along the cross beam, the second linear motion module is provided with a second moving part and a second fixing part, the second fixing part is transversely and fixedly connected to the two first moving parts and can synchronously move along with the first moving part, the second moving portion is provided to slide along the second fixed portion, and the welding gun is fixed to the second moving portion.
10. The marine concrete corrosion-resistant titanium alloy mesh structure production system according to any one of claims 1 to 7, wherein the welding system comprises a multi-axis robot and a welding gun mounted on a robot arm of the multi-axis robot, and the multi-axis robot drives the welding gun to move above the wire receiving plate to spot-weld the crossing position.
11. The system for preparing a marine concrete corrosion-resistant titanium alloy mesh structure according to any one of claims 1 to 7, wherein an angle between the first direction and the second direction is 45 ° or 90 °.
12. The marine concrete corrosion-resistant titanium alloy mesh structure production system according to claim 11, wherein the depth of the first layer of slots is greater than the depth of the second layer of slots.
13. A process for preparing marine concrete corrosion resistant titanium alloy mesh structure of the preparation system according to any one of claims 1 to 12, comprising the steps of:
step 1, preparing a titanium alloy bar, performing rolling and wire drawing treatment, and rolling into a preset titanium alloy wire;
step 2, continuously conveying the titanium alloy wires to a first layer of groove positions at the bottom of the wire receiving plate through a wire feeding channel of a wire feeder, wherein the wire feeding channel of the wire feeder is aligned to the first layer of groove positions so that the titanium alloy wires fall into the bottoms of the corresponding first layer of groove positions, and the driver controls the movement of the wire receiving plate in a one-by-one laying mode so as to fully lay the first layer of groove positions one by one;
step 3, after the first layer of groove positions are fully paved, the driver controls the wire receiving plate to rotate so that the wire feeding channel of the wire feeder is aligned to the second layer of groove positions, and the titanium alloy wires fall into the corresponding second layer of groove positions to form a cross structure with different heights with the titanium alloy wires in the first layer of groove positions;
step 4, moving the wire connecting plate to a welding station, and performing spot welding fixing on the crossed position of the titanium alloy wire;
and 5, re-laying the wire splicing plates on the driver, and repeating the steps 2-4.
14. The process for preparing a marine concrete corrosion-resistant titanium alloy mesh structure according to claim 13, wherein in the step 4, the wire connecting plate is moved in one of the following ways:
1) the driver is arranged in an extending mode, so that the length of the driver in the length direction is at least larger than 2-3 times that of the wire connecting plate, and the wire connecting plate after wire connection is driven by the driver to move to a spot welding station along the length direction; and
2) and transferring the wire receiving plate after wire receiving to a spot welding station through a flat plate type moving trolley.
15. The preparation process of the marine concrete corrosion-resistant titanium alloy mesh structure according to claim 13, wherein the titanium alloy wire is a titanium-iron-boron alloy wire, the diameter of the titanium alloy wire is 2-7mm, and the cross points of the upper and lower layers of titanium alloy wires are connected by spot welding through driving of a portal frame or a multi-axis robot by using a laser with 2-3KW power.
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