CN114000145A

CN114000145A - Kilometer-scale deep sea laser deposition equipment convenient to adjust

Info

Publication number: CN114000145A
Application number: CN202111290130.XA
Authority: CN
Inventors: 朱秋日; 朱夏旺; 江井英
Original assignee: Zhongke United Aerospace Technology Yancheng Co ltd
Current assignee: Zhongke United Aerospace Technology Yancheng Co ltd
Priority date: 2021-11-02
Filing date: 2021-11-02
Publication date: 2022-02-01

Abstract

The invention discloses kilometer-grade deep sea laser cladding equipment convenient to adjust, which comprises a box body, a transverse moving mechanism and an air and powder feeding mechanism, wherein a base is arranged at the bottom of the box body, a discharge valve is arranged at the bottom of the base, a powder chamber and a gas chamber are arranged at the top of the box body, the transverse moving mechanism is arranged in the box body and is connected with a longitudinal moving mechanism, the air and powder feeding mechanism is arranged at the outer side of a laser, a storage block is fixed at the outer side of the fixed block, a powder cavity and a gas cavity are arranged in the storage block, a fan is arranged on one inner side wall of the box body, which is opposite to a glass door, and a fixing mechanism is arranged at the bottom of the box body. This kilometer level deep sea laser deposition equipment convenient to adjust can drive first silk piece through first motor and remove, can drive the removal of second silk piece through the second lead screw, makes the laser instrument and supplies gas and send the powder mechanism to carry out the removal of vertical and horizontal direction simultaneously, the regulation of the position of being convenient for.

Description

Kilometer-scale deep sea laser deposition equipment convenient to adjust

Technical Field

The invention relates to the technical field of laser cladding, in particular to kilometer-grade deep sea laser cladding equipment convenient to adjust.

Background

Laser cladding, also known as laser cladding or laser cladding, is a new surface modification technology, which is a method of adding cladding material on the surface of a base material and fusing the cladding material and a thin layer on the surface of the base material together by using a laser beam with high energy density, wherein the surface of a base layer is formed with a metallurgically bonded cladding layer, the laser cladding can be roughly divided into two categories according to the supply mode of the cladding material, namely preset laser cladding and synchronous laser cladding, the invention aims at synchronous laser cladding, powder or wire cladding material is synchronously fed into a molten pool through a nozzle in the cladding process, the cladding material is added in the form of powder or wire, wherein the powder is most commonly used in the form of powder, the powder can react with air under the condition of high temperature and form oxides, and the oxides can cause the cladding quality to be reduced, so that inert gas is needed to isolate the external air in the laser cladding process, reducing the formation of oxides.

The existing laser cladding equipment is inconvenient to adjust the position, can cause movement instability, is inconvenient to process parts with different sizes, and simultaneously has the defects of insufficient isolation caused by a simple isolation mode and relatively more oxides in the cladding process when the external air is isolated by inert gas, so that the existing laser cladding equipment needs to be improved.

Disclosure of Invention

The invention aims to provide kilometer-grade deep sea laser cladding equipment convenient to adjust, and aims to solve the problems that the position is inconvenient to adjust, movement is unstable, parts with different sizes are inconvenient to process, and when external air is isolated by inert gas, isolation is insufficient due to a simple isolation mode, and relatively more oxides are generated in a cladding process.

In order to achieve the purpose, the invention provides the following technical scheme: a kilometer-grade deep sea laser cladding device convenient to adjust, which comprises a box body, a transverse moving mechanism and an air and powder feeding mechanism,

the powder box comprises a box body, a powder chamber, a gas chamber, a powder chamber, a feed valve, a gas chamber, a powder outlet valve, a discharge valve, a glass door, a controller, a powder chamber, a gas chamber, a powder inlet valve, a gas inlet valve, pipelines and air pumps, wherein the bottom of the box body is provided with a base, the bottom of the base is provided with the discharge valve, one side of the box body is provided with the glass door, one side of the glass door is provided with the controller, the top of the box body is provided with the powder chamber and the gas chamber, the powder chamber is positioned above the gas chamber, the powder chamber and one side of the gas chamber are both provided with the feed valve, one sides of the powder chamber and the gas chamber, which are opposite to the feed valve, are both connected with the pipelines, and the pipelines are both provided with the air pumps;

the transverse moving mechanism is arranged inside the box body and connected with the longitudinal moving mechanism, the transverse moving mechanism comprises a first lead screw, a first motor, a first screw block and a slide bar, the longitudinal moving mechanism comprises a second lead screw, a second motor and a second screw block, the bottom of the longitudinal moving mechanism is connected with a supporting block, two side faces of the supporting block are both fixed with limiting plates, the top of each limiting plate is arranged outside the first screw block, one side of the lower end face of the supporting block is provided with a camera, an electric telescopic rod is fixed at the top in the supporting block, and a laser is arranged on the lower end face of the electric telescopic rod;

the powder mechanism is sent in the laser instrument outside to the air feed, and send the powder mechanism to include the fixed block, deposit piece, powder chamber, gas chamber and collect the box, and the fixed block is fixed in the laser instrument surface simultaneously, the fixed block outside is fixed with deposits the piece, and deposits the inside powder chamber, gas chamber that is provided with of piece, the gas chamber top is connected with collects the box, and collects the pipeline bottom that box top and gas chamber correspond and be connected, the pipeline bottom that powder chamber top and powder chamber correspond is connected, install the fan on the box and the relative inside wall of glass door, and the box bottom is provided with fixed establishment, and fixed establishment includes positive and negative threaded rod, third motor, slider and splint, and positive and negative threaded rod sets up on the box inside wall simultaneously, be provided with the slider on the positive and negative threaded rod, and the slider top is fixed with splint.

Preferably, the base is funnel-shaped;

by adopting the technical scheme, the residual powder is convenient to collect.

Preferably, the top of the inner side wall of the box body is provided with a first screw rod, one end of the first screw rod is connected with the output end of a first motor, a first screw block is arranged on the first screw rod, a slide rod penetrates through the first screw block, the slide rods are arranged on the inner side wall of the box body, the two slide rods are symmetrically arranged relative to the first screw rod, and the slide rods are in sliding connection with the first screw block;

through adopting above-mentioned technical scheme, the accessible slide bar carries out the bearing to first silk piece, prevents that the atress is uneven to lead to first silk piece bearing capacity to reduce.

Preferably, the second screw rod is installed at the bottom of the first screw block, one end of the second screw rod is connected with the output end of the second motor, the second screw block is arranged on the second screw rod, a supporting block is fixed on the lower end face of the second screw block, and the second screw block is in sliding connection with the first screw block;

by adopting the technical scheme, the second wire block can be always kept stable when the second wire block moves through the first wire block.

Preferably, the limiting plate is in sliding connection with the first wire block;

through adopting above-mentioned technical scheme, be convenient for support the second silk piece through first silk piece, the limiting plate can be so that the second silk piece remains stable when removing.

Preferably, the powder cavity and the gas cavity are both circular ring-shaped;

preferably, the number of the gas cavities is two, and the powder cavity is positioned between the two gas cavities;

by adopting the technical scheme, the cladding quality is improved to a certain extent, and the formation of oxides is reduced.

Preferably, the fans are uniformly distributed on the inner side wall of the box body, the fans and the box body are inclined, and the bottom of the box body is porous;

through adopting above-mentioned technical scheme, the fan of slope form blows off the remaining powder on the part of will processing more easily, and the powder landing of being convenient for to the base is to porous bottom of the case portion.

Preferably, the positive and negative threaded rod is provided with two sliding blocks, and the moving directions of the two sliding blocks are opposite;

through adopting above-mentioned technical scheme, can fix the processing part.

Compared with the prior art, the invention has the beneficial effects that: the kilometer-scale deep sea laser cladding equipment convenient to adjust,

(1) the laser device and the air and powder feeding mechanism on the second wire block can be kept stable all the time during moving and processing, and meanwhile, the laser device and the air and powder feeding mechanism can move in the longitudinal direction and the transverse direction, so that the position can be conveniently adjusted;

(2) the camera and the electric telescopic rod are arranged, so that the processing process can be conveniently recorded, the observation of an operator is facilitated, the position of the laser can be adjusted through the electric telescopic rod, and parts with different thicknesses can be conveniently processed;

(3) the two gas cavities and the powder cavity are arranged and are respectively positioned on the inner side and the outer side of the powder cavity, when the powder is fused on a part through a laser, the powder sprayed from the powder cavity can be surrounded by inert gas sprayed from the two gas cavities, so that a relatively oxygen-free area is formed at the processing position of the powder, the occurrence of oxides in the cladding process is reduced, and the cladding quality is improved;

(4) be provided with fan, base and bleeder valve, the powder may be remained on the part surface that processes, is convenient for go out the powder through the fan and falls to the base in for keep clean and tidy in the box, the processing of the next part of being convenient for.

Drawings

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

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a schematic side view structure diagram of the lateral movement mechanism, the supporting block, the limiting plate, the electric telescopic rod and the laser according to the present invention;

FIG. 4 is an enlarged schematic view of the structure at the position A of the present invention;

FIG. 5 is a schematic top sectional view of the gas and powder feeding mechanism according to the present invention;

FIG. 6 is a side view of the case and the fan of the present invention.

In the figure: 1. the device comprises a box body, 2, a base, 3, a discharge valve, 4, a glass door, 5, a controller, 6, an air chamber, 7, a powder chamber, 8, a feed valve, 9, an air pump, 10, a transverse moving mechanism, 1001, a first screw rod, 1002, a first motor, 1003, a first screw block, 1004, a slide rod, 11, a longitudinal moving mechanism, 1101, a second screw rod, 1102, a second motor, 1103, a second screw block, 12, a supporting block, 13, a limiting plate, 14, a camera, 15, an electric telescopic rod, 16, a laser, 17, an air and powder feeding mechanism, 1701, a fixed block, 1702, a storage block, 1703, a powder chamber, 1704, an air chamber, 1705, a collection box, 18, a fan, 19, a fixing mechanism, 1901, a positive and negative threaded rod, 1902, a third motor, 1903, a sliding block, 1904 and a clamping plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: a kilometer-grade deep sea laser cladding device convenient to adjust,

according to fig. 1 and 2, the bottom of the box body 1 is provided with a base 2, the bottom of the base 2 is provided with a discharge valve 3, the base 2 is funnel-shaped, the powder can slide to the bottom of the base 2 conveniently, the collection is convenient, one side of the box body 1 is provided with a glass door 4, one side of the glass door 4 is provided with a controller 5, the top of the box body 1 is provided with a powder chamber 6 and a gas chamber 7, the powder chamber 6 is located above the gas chamber 7, meanwhile, one side of the powder chamber 6 and one side of the gas chamber 7 are provided with a feed valve 8, one side of the powder chamber 6 and one side of the gas chamber 7 opposite to the feed valve 8 are connected with a pipeline, and the pipeline is provided with an air pump 9.

According to fig. 1 and 3, the transverse moving mechanism 10 is disposed inside the box 1, the transverse moving mechanism 10 is connected to the longitudinal moving mechanism 11, the transverse moving mechanism 10 includes a first lead screw 1001, a first motor 1002, a first lead screw 1003, and a slide bar 1004, the longitudinal moving mechanism 11 includes a second lead screw 1101, a second motor 1102, and a second lead screw 1103, the first lead screw 1001 is disposed on the top of the inner side wall of the box 1, one end of the first lead screw 1001 is connected to the output end of the first motor 1002, the first lead screw is disposed with the first lead screw 1001, the slide bar 1004 is disposed on the first lead screw 1003, the slide bar 1004 is disposed on the inner side wall of the box 1 to drive the laser 16 to move transversely, the slide bars 1004 are disposed symmetrically with respect to the first lead screw 1001, the slide bars 1004 are slidably connected to the first lead screw 1003, when the second lead screw 1103 on the first lead screw 1003 is at the movement adjusting position, the center of gravity of the first lead screw 1003 changes, the first wire block 1003 can be supported through the sliding rod 1004, the second wire rod 1101 is installed at the bottom of the first wire block 1003, one end of the second wire rod 1101 is connected with the output end of the second motor 1102, meanwhile, the second wire block 1103 is arranged on the second wire rod 1101, the supporting block 12 is fixed on the lower end face of the second wire block 1103, when the second motor 1102 drives the second wire block 1103 on the second wire rod 1101 to move in the longitudinal direction, the second wire block 1103 can be limited through the first wire block 1003, the supporting block 12 is connected to the bottom of the longitudinal moving mechanism 11, the limiting plates 13 are fixed on both side faces of the supporting block 12, the top of the limiting plate 13 is arranged outside the first wire block 1003, the limiting plate 13 is in sliding connection with the first wire block 1003, when the second wire block 1103 moves, the limiting plate 13 on the second wire block 1103 is in sliding connection with the first wire block 1003, so as to stabilize the second wire block 1103, the camera 14 is arranged on one side of the lower end face of the supporting block 12, an electric telescopic rod 15 is fixed to the inner top of the supporting block 12, and a laser 16 is installed on the lower end face of the electric telescopic rod 15.

According to the embodiments shown in fig. 1, 4, 5 and 6, the gas and powder feeding mechanism 17 is disposed outside the laser 16, and the gas and powder feeding mechanism 17 includes a fixing block 1701, a storage block 1702, a powder chamber 1703, two gas chambers 1704 and a collection box 1705, wherein the fixing block 1701 is fixed on the outer surface of the laser 16, the storage block 1702 is fixed outside the fixing block 1701, the powder chamber 1703 and the gas chamber 1704 are disposed inside the storage block 1702, the powder chamber 1703 and the gas chamber 1704 are both in a circular ring shape, the two gas chambers 1704 are disposed, the powder chamber 1703 is disposed between the two gas chambers 1704, the two gas chambers 1704 are disposed inside and outside the powder chamber 1703, when the powder chamber 1703 starts to spray powder, inert gas sprayed from the two gas chambers 1704 can surround the powder, so that the cladding layer and the cladding layer are less oxidized, oxide inclusions in the cladding layer are less, the top 1704 of the gas chamber is connected to the collection box 5, the top of the collecting box 1705 is connected with the bottom of a pipeline corresponding to the gas chamber 7, the top of the powder chamber 1703 is connected with the bottom of a pipeline corresponding to the powder chamber 6, a fan 18 is installed on an inner side wall of the box body 1 opposite to the glass door 4, the fan 18 is uniformly distributed on the inner side wall of the box body 1, the fan 18 and the box body 1 are inclined, meanwhile, the bottom of the box body 1 is porous, residual powder on the surface of a processed part is blown down onto the base 2 through the fan 18, the interior of the box body 1 can be kept clean, a fixing mechanism 19 is arranged at the bottom in the box body 1, the fixing mechanism 19 comprises a positive and negative threaded rod 1901, a third motor 1902, a sliding block 1903 and a clamping plate 1904, meanwhile, the positive and negative threaded rod 1901 is arranged on the inner side wall of the box body 1, a sliding block 1903 is arranged on the positive and negative threaded rod 1901, the top of the sliding block 1903 is fixed with the clamping plate 1904, two sliding blocks 1903 are arranged on the positive and the two sliding blocks 1903 move in opposite directions, limiting of machined parts of different sizes is facilitated through clamping plates 1904 on the two sliders 1903.

The working principle is as follows: when the kilometer-scale deep sea laser cladding equipment convenient to adjust is used, a glass door 4 is opened, a machined part is placed at the inner bottom of a box body 1, a third motor 1902 is started through a controller 5, the third motor 1902 drives two sliders 1903 on a positive and negative threaded rod 1901 to move oppositely, the part is fixed through a clamping plate 1904 on the sliders 1903, a camera 14, an electric telescopic rod 15, a first motor 1002 and a second motor 1102 are started through the controller 5, the camera 14 records a cladding process, observation of workers outside the box body 1 is facilitated, the electric telescopic rod 15 drives a laser 16 to move to a proper height, the first motor 1002 drives a first wire block 1003 on a first screw rod 1001 to move to a proper position, the second motor 1102 drives a second wire block 1103 on a second screw rod 1101 to move to a proper position, and meanwhile, a supporting block 12 is arranged on the second wire block 1103, when the supporting block 12 and the second wire block 1103 move simultaneously, the laser 16 and the gas and powder feeding mechanism 17 on the second wire block 1103 can be kept stable by the limiting plate 13, at this time, the two gas pumps 9 and the laser 16 can be started by the controller 5, the gas pump 9 corresponding to the gas chamber 6 can convey gas into the collecting box 1705 through the pipeline, the gas flows into the two gas chambers 1704 through the collecting box 1705, the gas pump 9 corresponding to the powder chamber 7 can convey powder into the powder chamber 1703 through the pipeline, at the same time, the laser 16 starts to fuse the powder and the thin layer on the surface of the part together by using the laser beam with high energy density, a cladding layer is formed on the surface of the part, the transverse moving mechanism 10 and the longitudinal moving mechanism 11 can drive the laser 16 and the gas and powder feeding mechanism 17 to move towards the direction needing cladding during the processing process, so that cladding can be carried out while moving, after the cladding is finished, the fan 18 is started through the controller 5, the fan 18 blows the residual powder on the surface of the part down to the base 2, the discharge valve 3 can be opened periodically to discharge, meanwhile, the gas chamber 6 and the powder chamber 7 can be supplemented with gas and cladding powder through the two feeding valves 8, and workers can observe through the glass door 4 in the machining process. Those not described in detail in this specification are within the skill of the art.

The terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for simplicity of description only and are not intended to indicate or imply that the referenced devices or elements must be in a particular orientation, constructed and operative in a particular orientation, and are not to be considered limiting of the claimed invention.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a kilometer-scale deep sea laser cladding equipment convenient to adjust, includes box (1), lateral shifting mechanism (10) and air feed powder feeding mechanism (17), its characterized in that:

a base (2) is arranged at the bottom of the box body (1), a discharge valve (3) is arranged at the bottom of the base (2), a glass door (4) is arranged on one side of the box body (1), a controller (5) is arranged on one side of the glass door (4), a powder chamber (6) and a gas chamber (7) are arranged at the top of the box body (1), the powder chamber (6) is positioned above the gas chamber (7), meanwhile, feed valves (8) are arranged on one sides of the powder chamber (6) and the gas chamber (7), pipelines are connected to one side surfaces of the powder chamber (6) and the gas chamber (7) opposite to the feed valves (8), and air pumps (9) are arranged on the pipelines;

the transverse moving mechanism (10) is arranged in the box body (1), the transverse moving mechanism (10) is connected with the longitudinal moving mechanism (11), the transverse moving mechanism (10) comprises a first screw rod (1001), a first motor (1002), a first screw block (1003) and a sliding rod (1004), the longitudinal moving mechanism (11) comprises a second screw rod (1101), a second motor (1102) and a second wire block (1103), the bottom of the longitudinal moving mechanism (11) is connected with a supporting block (12), two side faces of the supporting block (12) are respectively fixed with a limiting plate (13), meanwhile, the top of the limiting plate (13) is arranged at the outer side of the first wire block (1003), one side of the lower end surface of the supporting block (12) is provided with a camera (14), an electric telescopic rod (15) is fixed at the inner top of the supporting block (12), and a laser (16) is installed on the lower end face of the electric telescopic rod (15);

the air and powder feeding mechanism (17) is arranged on the outer side of the laser (16), the air and powder feeding mechanism (17) comprises a fixed block (1701), a storage block (1702), a powder cavity (1703), an air cavity (1704) and a collection box (1705), the fixed block (1701) is fixed on the outer surface of the laser (16), the storage block (1702) is fixed on the outer side of the fixed block (1701), the powder cavity (1703) and the air cavity (1704) are arranged in the storage block (1702), the collection box (1705) is connected to the top of the air cavity (1704), the top of the collection box (1705) is connected with the bottom of a pipeline corresponding to the air chamber (7), the top of the powder cavity (1703) is connected with the bottom of a pipeline corresponding to the powder chamber (6), a fan (18) is arranged on the inner side wall of the box body (1) opposite to the glass door (4), and a fixing mechanism (19) is arranged at the inner bottom of the box body (1), and fixed establishment (19) include positive and negative threaded rod (1901), third motor (1902), slider (1903) and splint (1904), and positive and negative threaded rod (1901) sets up on box (1) inside wall simultaneously, be provided with slider (1903) on positive and negative threaded rod (1901), and slider (1903) top is fixed with splint (1904).

2. The deep sea laser cladding apparatus on kilometer scale easy to adjust of claim 1, characterized in that: the base (2) is funnel-shaped.

3. The deep sea laser cladding apparatus on kilometer scale easy to adjust of claim 1, characterized in that: the top of the inner side wall of the box body (1) is provided with a first lead screw (1001), one end of the first lead screw (1001) is connected with the output end of a first motor (1002), a first screw block (1003) is arranged on the first lead screw (1001), a sliding rod (1004) penetrates through the first screw block (1003), the sliding rod (1004) is arranged on the inner side wall of the box body (1), the two sliding rods (1004) are symmetrically arranged relative to the first lead screw (1001), and the sliding rod (1004) is in sliding connection with the first screw block (1003).

4. The deep sea laser cladding apparatus on kilometer scale easy to adjust of claim 1, characterized in that: the second screw rod (1101) is installed at the bottom of the first screw block (1003), one end of the second screw rod (1101) is connected with the output end of the second motor (1102), meanwhile, the second screw rod (1101) is provided with a second screw block (1103), a supporting block (12) is fixed on the lower end face of the second screw block (1103), and the second screw block (1103) is in sliding connection with the first screw block (1003).

5. The deep sea laser cladding apparatus on kilometer scale easy to adjust of claim 1, characterized in that: the limiting plate (13) is in sliding connection with the first wire block (1003).

6. The deep sea laser cladding apparatus on kilometer scale easy to adjust of claim 1, characterized in that: the powder cavity (1703) and the gas cavity (1704) are both in a ring shape.

7. The deep sea laser cladding apparatus on kilometer scale easy to adjust of claim 1, characterized in that: the number of the gas cavities (1704) is two, and the powder cavity (1703) is located between the two gas cavities (1704).

8. The deep sea laser cladding apparatus on kilometer scale easy to adjust of claim 1, characterized in that: the fan (18) is uniformly distributed on the inner side wall of the box body (1), the fan (18) and the box body (1) are inclined, and meanwhile the bottom of the box body (1) is porous.

9. The deep sea laser cladding apparatus on kilometer scale easy to adjust of claim 1, characterized in that: two sliding blocks (1903) are arranged on the positive and negative threaded rod (1901), and the moving directions of the two sliding blocks (1903) are opposite.