CN216473485U - Laser cladding device integrated with wire speed detection device and system thereof - Google Patents
Laser cladding device integrated with wire speed detection device and system thereof Download PDFInfo
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- CN216473485U CN216473485U CN202122784193.2U CN202122784193U CN216473485U CN 216473485 U CN216473485 U CN 216473485U CN 202122784193 U CN202122784193 U CN 202122784193U CN 216473485 U CN216473485 U CN 216473485U
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Abstract
The utility model discloses a laser cladding device integrated with a wire speed detection device and a system thereof, which comprises a three-beam laser generation device for projecting three beams, wherein the lower part of the three-beam laser generation device is connected with a wire guide nozzle through a guide pillar, the laser cladding device and the system thereof also comprise a wire speed detection device, the wire speed detection device is positioned between the wire guide nozzle and a substrate molten pool, the wire speed detection device is connected with a connecting guide sleeve through a wire feeding guide pipe, the connecting guide sleeve is fixed on the guide pillar, the wire guide nozzle is positioned in the connecting guide sleeve, and a wire outlet of the wire guide nozzle is communicated with the wire feeding guide pipe. The utility model effectively ensures that the speed of the wire fed into the molten pool is always monitored, and ensures the stability of the speed of the wire and the forming precision of parts.
Description
Technical Field
The utility model belongs to the technical field of laser cladding, and particularly relates to a laser cladding device.
Background
Laser cladding (also known as laser cladding or laser cladding) is a new surface modification technique. The method is characterized in that a cladding material is added on the surface of a base material, and the cladding material and a thin layer on the surface of the base material are fused together by utilizing a laser beam with high energy density, so that a metallurgically bonded cladding layer is formed on the surface of a base layer.
The laser cladding characteristic is as follows: the cladding layer has low dilution degree but strong binding force, is metallurgically bonded with the substrate, and can obviously improve the wear-resisting, corrosion-resisting, heat-resisting, oxidation-resisting or electrical characteristics of the surface of the substrate material, thereby achieving the purpose of surface modification or repair, meeting the specific performance requirements of the surface of the material and saving a large amount of material cost. Compared with traditional surface treatment technologies such as surfacing, thermal spraying, electroplating and the like, the method has the advantages of wide applicable material system, controllable dilution rate of the cladding layer, metallurgical bonding of the cladding layer and the substrate, small thermal deformation of the substrate, easy realization of automation of the process and the like.
From the current application of laser cladding, it is mainly applied to three aspects: 1. the surface of the material is modified, such as gas turbine blades, rollers, gears and the like. 2. Repairing the surface of the product, such as a rotor, a mold and the like. 3. And laser additive manufacturing, namely performing layer-by-layer laser cladding in a synchronous powder feeding or wire feeding mode to further obtain the part with the three-dimensional structure. Since the 80 s in the 20 th century, laser cladding technology has gained wide attention at home and abroad and has been applied in various industrial fields.
Present laser send a cladding device to send and all directly carry the fuse-link through the inside passageway of silk material shower nozzle with the silk material through independent silk material machine of sending, because silk material outflow send the silk machine to need through sending a hose and silk material shower nozzle inner passage, because the effect of these inside friction power of passageway can lead to the silk material to export the speed of fuse-link inside inconsistent with the speed that the silk machine of sending set for, can lead to following several problems from this: 1) the stability of the wire speed cannot be effectively monitored, and finally cladding cannot be carried out or a formed piece can be effectively accumulated; 2) and the forming precision of the part cannot be ensured by open-loop control.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects in the prior art, the utility model aims to provide the laser cladding device with the wire speed detection device and the system thereof.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a laser cladding device integrated with a wire speed detection device comprises a three-beam laser generation device for projecting three beams, wherein a wire guide nozzle is connected below the three-beam laser generation device through a guide pillar, the wire speed detection device is arranged below the wire guide nozzle, and the wire speed detection device is positioned above a base material molten pool.
Furthermore, the wire speed detection device is connected with a connecting guide sleeve through a wire feeding guide pipe, the connecting guide sleeve is fixed on the guide post, the wire guide nozzle is positioned in the connecting guide sleeve, and a wire outlet of the wire guide nozzle is communicated with the wire feeding guide pipe.
Furthermore, the silk material speed detection device comprises a detection support, an upper guide wire channel assembly is fixed at the upper end of the detection support, a lower guide wire channel assembly is fixed at the lower end of the detection support, an upper guide wire nozzle is connected below the upper guide wire channel assembly, the guide wire channel assembly is communicated with the upper guide wire nozzle, a lower guide wire nozzle is connected above the lower guide wire channel assembly, the lower guide wire channel assembly is communicated with the lower guide wire nozzle, the upper guide wire nozzle and the lower guide wire nozzle are oppositely arranged and a space is arranged between the upper guide wire nozzle and the lower guide wire nozzle, a driving wheel is arranged on one side of the space, the driving wheel is rotatably arranged on the detection support, a connecting shaft of the driving wheel is connected with a speed sensor, a pressing wheel is arranged on the other side of the space, the pressing wheel and the driving wheel can be mutually abutted, and the pressing wheel is rotatably arranged on a pressing wheel support, the lower end of the pinch roller support is rotatably fixed on the detection support, and the upper end of the pinch roller support is adjustably fixed on the detection support.
Further, go up seal wire channel subassembly top and connect send a pipe, send a pipe in proper order with go up seal wire channel subassembly go up the seal wire mouth down the seal wire mouth and down seal wire channel subassembly forms a silk material route.
Based on the laser cladding device integrated with the wire speed detection device, the utility model also provides a laser cladding system integrated with the wire speed detection device, which comprises the laser cladding device integrated with the wire speed detection device, wires sent out by a wire feeder are sent into the wire guide nozzle through the guide pillar, the wires are sent into the wire speed detection device through the wire feed guide pipe by the wire guide nozzle, the wires are sent out to a molten pool by the lower wire guide channel component, the wires at the molten pool are uniformly enveloped by light spots formed by the three light beams, the signal output end of the speed sensor is connected with a closed-loop control system, and the control output end of the closed-loop control system is connected with the control input end of the wire feeder.
The basic working principle of the utility model is as follows:
the silk material sent out from the silk guide nozzle is positioned between the pressing wheel and the driving wheel when passing through the distance between the upper silk guide nozzle and the lower silk guide nozzle. At this moment, adjust the pinch roller through rotatory screw thread handle and compress tightly the silk material, the pinch roller tightly compacts the silk material on the driving wheel surface, and the driving wheel rotates under the drive of silk material, and the sensor gathers the rotational speed of driving wheel under the drive of silk material, and the speed of silk material is effectively gathered by speed sensor promptly. Furthermore, the closed-loop control system can feed the acquired speed result back to the wire feeder, and the wire feeder adjusts the closed-loop speed according to the set speed parameter, so that the wire speed is always kept consistent with the set value.
Compared with the prior art, the utility model has the following beneficial effects:
1. the wire speed detection device is arranged between the outlet of the wire nozzle and the molten pool, and can filter various friction factors in the inner channel of the wire, so that the final speed of the wire entering the molten pool can be effectively monitored.
2. The system realizes closed-loop control by the existing open-loop control through the closed-loop control system, effectively ensures that the speed of the wire fed into the molten pool is always monitored, and ensures the stability of the speed of the wire and the forming precision of parts.
Drawings
FIG. 1 is a front view of a wire speed detecting device according to the present invention.
FIG. 2 is a perspective view of a wire speed detecting device according to the present invention.
Fig. 3 is a schematic structural view of the laser cladding apparatus of the present invention.
Fig. 4 is a sectional view of the structure of the laser cladding apparatus of the present invention.
Fig. 5 is a schematic system architecture diagram of the laser cladding system of the present invention.
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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
referring to fig. 3 and 4, the laser cladding device integrated with the wire speed detection device comprises a three-beam laser generation device 14 for projecting three beams 22, wherein a wire guide nozzle 16 is connected below the three-beam laser generation device 14 through a guide post 15, a wire speed detection device is arranged below the wire guide nozzle 16, and the wire speed detection device is positioned above a substrate molten pool.
Furthermore, the wire speed detecting device is connected with a connecting guide sleeve 13 through a wire feeding guide pipe 12, the connecting guide sleeve 13 is fixed on the guide post 15, the wire guiding nozzle 16 is positioned in the connecting guide sleeve 13, and a wire outlet of the wire guiding nozzle 16 is communicated with the wire feeding guide pipe 12.
Further, referring to fig. 1 and 2, the filament speed detecting device includes a detecting support 1, an upper filament guiding channel assembly 2 is fixed at the upper end of the detecting support 1, a lower filament guiding channel assembly 3 is fixed at the lower end of the detecting support, an upper filament guiding nozzle 4 is connected below the upper filament guiding channel assembly 2, the filament guiding channel assembly 2 is communicated with the upper filament guiding nozzle 4, a lower filament guiding nozzle 5 is connected above the lower filament guiding channel assembly 3, the lower filament guiding channel assembly 3 is communicated with the lower filament guiding nozzle 5, the upper filament guiding nozzle 4 and the lower filament guiding nozzle 5 are arranged oppositely and set a space therebetween, a driving wheel 6 is arranged at one side of the space, the driving wheel 6 is rotatably arranged on the detecting support 1, a connecting shaft of the driving wheel 6 is connected with a speed sensor 11, and a pressing wheel 7 is arranged at the other side of the space, the pinch roller 7 and the driving wheel 6 can be mutually abutted, the pinch roller 7 is rotatably arranged on a pinch roller support 8, the lower end of the pinch roller support 8 is rotatably fixed on the detection support 1, and the upper end of the pinch roller support is adjustably fixed on the detection support 1.
Further, go up 2 top connections of seal wire channel subassembly send a pipe 12, send a pipe 12 in proper order with go up seal wire channel subassembly 2 go up seal wire mouth 4 lower seal wire mouth 5 reaches seal wire channel subassembly 3 forms a silk material route down.
Preferably, the upper end of the pinch roller support 8 is a notch-shaped support, a threaded handle 9 is arranged in a notch of the notch-shaped support, the threaded end of the threaded handle 9 is screwed on a bolt 10, and the bolt 10 is fixed on the detection support 1.
Preferably, the surface of the driving wheel 6 is provided with a wire groove 601.
In this embodiment, the laser beam 21 is divided into three beams 22 by a prism and then reflected by a focusing mirror to the cladding pool below the lower guide wire channel assembly 3, and the wire 23 ejected from the lower guide wire channel assembly 3 is uniformly enveloped by the light spots formed by the three beams 22. The basic structure and the working principle of the three-beam laser cladding device related in the embodiment can be seen in the published utility model patent: a three-beam wire powder mixed laser cladding nozzle is disclosed as follows: CN 113215562A.
Example 2:
referring to fig. 5, a laser cladding system integrated with a wire speed detecting device comprises the laser cladding device integrated with a wire speed detecting device according to embodiment 1, a wire 23 sent by a wire feeder 17 is fed into a wire guide nozzle 16 through a guide post 15, the wire guide nozzle 16 sends the wire 23 into the wire speed detecting device through a wire feeding guide pipe 1, the lower wire guide channel assembly 3 sends the wire 23 to a molten pool 24, the wire 23 at the molten pool 24 is uniformly enveloped by light spots formed by three light beams 22, a signal output end of the speed sensor 11 is connected with a closed-loop control system 18, and a control output end of the closed-loop control system 18 is connected with a control input end of the wire feeder 17.
In this embodiment, a workpiece 19 is placed on a worktable 20, a laser beam 21 is divided into three beams 22 by a prism and then reflected by a focusing mirror to the workpiece 19 below a lower wire guide channel assembly 3 to form a cladding area, a wire 23 output from a wire feeder 17 is sent to a wire guide nozzle 16 through a guide post 15, then sent through a wire feed guide pipe 1, an upper wire guide channel assembly 2, an upper wire guide nozzle 4 and a lower wire guide nozzle 5, and finally sent out from the lower wire guide channel assembly 3 to the cladding area on the workpiece 19, and is uniformly enveloped by light spots formed by the three beams 22. The basic structure and the working principle of the three-beam laser cladding system related in the embodiment can be seen in the published utility model patent: a three-beam wire powder mixed laser cladding system (publication number: CN 113102781A).
Finally, it should be noted that: 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 modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.
Claims (7)
1. A laser cladding device integrated with a wire speed detection device comprises a three-beam laser generation device (14) for projecting three beams (22), wherein a guide wire nozzle (16) is connected below the three-beam laser generation device (14) through a guide post (15), and the laser cladding device is characterized in that: a wire speed detection device is arranged below the wire guide nozzle (16) and is positioned above the substrate molten pool.
2. The laser cladding device integrated with a wire speed detection device of claim 1, wherein: the wire speed detection device is connected with a connecting guide sleeve (13) through a wire feeding guide pipe (12), the connecting guide sleeve (13) is fixed on the guide post (15), the wire guide nozzle (16) is positioned in the connecting guide sleeve (13), and a wire outlet of the wire guide nozzle (16) is communicated with the wire feeding guide pipe (12).
3. The laser cladding device integrated with a wire speed detection device of claim 2, wherein: silk material speed detection device includes a detecting support (1), detecting support (1) upper end is fixed with one and goes up seal wire channel subassembly (2), and the lower extreme is fixed with seal wire channel subassembly (3) once, it is connected with one and goes up seal wire mouth (4) to go up seal wire channel subassembly (2) below, seal wire channel subassembly (2) with go up seal wire mouth (4) intercommunication each other, seal wire channel subassembly (3) top is connected with seal wire mouth (5) once down, seal wire channel subassembly (3) with lower seal wire mouth (5) intercommunication each other, go up seal wire mouth (4) with lower seal wire mouth (5) relative arrangement and set up a interval each other, one side of interval is provided with a drive wheel (6), the rotatable setting of drive wheel (6) is in detecting support (1), a speed sensor (11) is connected to the connecting axle of drive wheel (6), the other side of interval is provided with a pinch roller (7), pinch roller (7) with drive wheel (6) can contradict each other, the rotatable setting of pinch roller (7) is on a pinch roller support (8), the rotatable fixing of lower extreme of pinch roller support (8) is in detect on support (1), upper end adjustable fixes detect on support (1).
4. The laser cladding device integrated with a wire speed detecting device of claim 3, wherein: go up seal wire channel subassembly (2) top and connect send silk pipe (12), send silk pipe (12) in proper order with go up seal wire channel subassembly (2) go up seal wire mouth (4) down seal wire mouth (5) and form a silk material route down seal wire channel subassembly (3).
5. The laser cladding apparatus integrated with a wire speed detecting apparatus according to claim 3 or 4, wherein: the upper end of the pinch roller support (8) is a notch-shaped support, a threaded handle (9) is arranged in a notch of the notch-shaped support, the threaded end of the threaded handle (9) is arranged on a bolt (10) in a rotating mode, and the bolt (10) is fixed on the detection support (1).
6. The laser cladding apparatus integrated with a wire speed detecting apparatus according to claim 3 or 4, wherein: the surface of the driving wheel (6) is provided with a wire groove (601).
7. The utility model provides an integrated laser cladding system that has silk material speed detection device which characterized in that: laser cladding apparatus integrated with wire speed detection device according to claim 4, wherein the wire (23) sent from the wire feeder (17) is fed into the wire guide nozzle (16) through the guide post (15), the wire guide nozzle (16) feeds the wire (23) into the wire speed detection device through the wire feeding guide pipe (1), the lower wire guide channel assembly (3) sends the wire (23) to the molten pool (24), the wire (23) at the molten pool (24) is uniformly enveloped by the light spot formed by the three light beams (22), the signal output end of the speed sensor (11) is connected with a closed-loop control system (18), and a control output end of the closed-loop control system (18) is connected with the control input end of the wire feeder (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122784193.2U CN216473485U (en) | 2021-11-15 | 2021-11-15 | Laser cladding device integrated with wire speed detection device and system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122784193.2U CN216473485U (en) | 2021-11-15 | 2021-11-15 | Laser cladding device integrated with wire speed detection device and system thereof |
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| Publication Number | Publication Date |
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| CN216473485U true CN216473485U (en) | 2022-05-10 |
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| CN202122784193.2U Active CN216473485U (en) | 2021-11-15 | 2021-11-15 | Laser cladding device integrated with wire speed detection device and system thereof |
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- 2021-11-15 CN CN202122784193.2U patent/CN216473485U/en active Active
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