CN208395276U - A kind of plane metalloid part ultrahigh speed cladding system - Google Patents
A kind of plane metalloid part ultrahigh speed cladding system Download PDFInfo
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- CN208395276U CN208395276U CN201820936472.1U CN201820936472U CN208395276U CN 208395276 U CN208395276 U CN 208395276U CN 201820936472 U CN201820936472 U CN 201820936472U CN 208395276 U CN208395276 U CN 208395276U
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Abstract
The utility model discloses plane metalloid part ultrahigh speed cladding systems, including cladding machine, plummer, transmission device and control device, plummer to be mounted on transmission device, and cladding machine is suspended above transmission device；Cladding machine includes laser, dust feeder, air supply plant and nozzle unit；Transmission device includes multiple mover modules and sliding rail；Sliding rail is unidirectional loop or bidirectional reciprocating structure；The cladding injection that cladding machine is controlled by control device, controls the operation of transmission device.This plane metalloid part ultrahigh speed cladding system, introduce the transmission device of high speed, the high-speed annular of realization is moved or is moved back and forth, realize the relatively high speed linear velocity needed between plane coating product workpiece and cladding machine, so that ultrahigh speed cladding can meet plane metalloid component characteristics requirement, to the market adaptive of step evolution elevating ultrahigh fast thawing coating technique, the problem of environmental pollution of sternness present in traditional electroplated coating technology is solved.
Description
Technical field
The utility model belongs to Laser Surface Modification Technology field, and in particular, to a kind of plane metalloid part superelevation
Fast thawing covers system.
Background technique
Laser melting coating is the laser beam using high-energy density, excellent to obtain by dusty material cladding on the surface of part
A kind of Laser Surface Modification Technology of good mechanical property coating.The liquid alloy that laser beam is formed after melting powder is due to matrix
Material rapid thermally conductive and generate high cooling velocity and quick solidification and crystallization, not only generate secured, good metallurgical bonding,
But also the microscopic structure (i.e. coating microstructure is excellent) of fine uniform is obtained, therefore can get with very excellent mechanical
It can be with wear-resisting, corrosion resisting property surface covering.
Laser melting coating can be divided into Process of Powder Feeding Laser Cladding and preset laser cladding two major classes.Process of Powder Feeding Laser Cladding technique
With the advantages that easy realization automation control, laser energy absorption rate is high, no internal porosity, but dedicated laser melting coating must be used
Spray head, powder feeding mechanism and high power laser, thus equipment cost is high.Meanwhile relative to preset laser cladding technique,
Molded surface is more coarse, needs more post-processing processing.Preset laser cladding, which has, not to be limited by material, is easy to carry out
The advantages that cladding of composite parts powder, simple process, flexible operation.At present frequently with powder pre-setting method mainly include heat
Spray coating method and chemistry cohere method: hot spray process during fore-put powder in addition to needing dedicated spraying equipment, powder
Loss amount is very big (about 30%~40%), furthermore this method there is also to powder size it is more demanding the deficiencies of；For changing
For learning mull technique, due to having used various adhesives, the defects of stomata is easily generated in cladding process, while binder
Addition can also generate different degrees of adverse effect to cladding composition of layer.
Adapt to plane coating at present is common laser cladding, and about 0.5~2 m/min of cladding rate, cladding rate
The production efficiency of bulk plane coating is constrained, the unit cost of plane metalloid part cladding production is increased, market is suitable
Answering property is poor.
If using ultrahigh speed laser melting and coating technique, cladding rate can reach 50~200 ms/min, the cladding needed
Rate is high, and the mode only with rotation positioner clamping workpiece realizes the relative linear velocity of laser melting coating head and workpiece at present,
Therefore it is only able to satisfy column coating, and plane coating can not be adapted to.
Summary of the invention
The technical issues of the utility model solves is to overcome the deficiencies of existing technologies, and provides a kind of plane metalloid part
Ultrahigh speed cladding system, introduces the transmission device of high speed, the high-speed annular movement or reciprocating motion of realization, and realization needs plane
Relatively high speed linear velocity between coating product workpiece and cladding machine, so that ultrahigh speed cladding can meet plane metalloid part spy
Property require, thus the market adaptive of step evolution elevating ultrahigh fast thawing coating technique, solve present in traditional electroplated coating technology
Severe problem of environmental pollution.
The utility model aim is achieved through the following technical solutions:
Disclosed plane metalloid part ultrahigh speed cladding system, including cladding machine, plummer, transmission device and control dress
It sets, the plummer is mounted on transmission device, and the cladding machine is suspended above transmission device；
The cladding machine includes laser, dust feeder, air supply plant and nozzle unit, the laser and the nozzle
Unit is connected by optical fiber；The nozzle unit includes the coaxial powder-feeding cladding head of back taper；The coaxial powder-feeding cladding head
Two sides are respectively equipped with powder gas channel structure；Angle between the central axis of the powder gas channel structure is at an acute angle；It is described coaxially to send
The laser channeling structure with laser beams coaxial, the laser channeling structure also are equipped with along laser beam direction inside powder cladding head
Under shed diameter be 1~5mm；The dust feeder and air supply plant pass through powder feeding pipe and snorkel respectively and nozzle unit connects
It connects；
The transmission device includes multiple mover modules and sliding rail；The sliding rail is unidirectional loop or bidirectional reciprocating knot
Structure；The upper surface of the mover module is fixedly connected with plummer；The two sides of the plummer are equipped with clamp device, for putting
With fixed pan metalloid part；
The cladding injection of the control device control cladding machine, controls the operation of transmission device.
This plane metalloid part ultrahigh speed cladding system, cladding machine, plummer, transmission device and control device are formed
One drives the metal parts on plummer by transmission device, opposite between cladding machine to generate high linear speeds, increases life
Produce efficiency.High-energy-density is utilized using synchronous powder feeding system adding material mode by limiting the structure of the nozzle unit of cladding machine simultaneously
The substrate material surface that line moves added material with high-speed melts simultaneously, and quickly formation dilution rate is extremely low after solidification,
It is in the cladding layer of metallurgical bonding with matrix, cladding rate is greatly improved, guarantees coating quality.
Further, the vertical distance of the nozzle unit and metal parts upper surface is 8~20mm.
Nozzle unit is arranged at a distance from the upper surface of metal parts, is in order in laser cladding process, laser beam is by powder
The liquid alloy formed after the fusing of end can be accurately coated on metal parts, be less prone to splash phenomena, reduced the loss of powder
Amount, guarantees the coating quality of metal parts to run at high speed.
Further, the minimum spacing of mover module described in any two is the width of the plummer along slide direction.This
The setting of structure guarantees the independence in the metal parts cladding process on production line, and control is set according to the size of metal parts
Device processed enhances the market adaptability of this plane metalloid part ultrahigh speed cladding system.
Further, the plummer is groove structure, and the clamp device is across plummer side wall with positioning
The fastening bolt of plate.Clamp device can be according to the size adjusting distance of metal parts, the more conducively fixation of metal parts.
Further, the dust feeder includes feed inlet and transmission device, and the transmission device passes through inside feed inlet,
It is arranged to conveying powder and enters in snorkel.Transmission device includes that speed regulating motor and worm and gear adjust according to the technological requirements
With the powder sending quantity and powder feed rate of control dust feeder.
Further, the flowmeter and control valve of control protective atmosphere flow are installed on the snorkel.
Further, the transmission device is driven by servo motor, stepper motor or linear motor, on the plummer
Equipped with inductor, the inductor is connect with control device.Inductor can accurately sense the position of metal parts, to carry out
Cladding processing.
Further, the laser power of the laser is 3~8kW.
Further, the powder sending quantity of the dust feeder is 5~50g/min.
Further, the transmission speed of the transmission device is 50~500mm/s.
This plane metalloid part ultrahigh speed cladding system is provided with unidirectional loop or bidirectional reciprocating structure, deposition direction
It can be determined according to workpiece actual conditions and efficiency.Each layer of cladding thickness can control the thickness in 0.1~1mm, according to
The size and laser melting coating speed of powder sending quantity is determined.One timing of laser melting coating speed and power, powder sending quantity is bigger, layer Gao Yuegao,
One timing of laser power and powder sending quantity, laser melting coating speed is smaller, and cladding thickness is thicker.
Compared with prior art, the utility model has the following beneficial effects:
This plane metalloid part ultrahigh speed cladding system introduces the transmission device of high speed, the high-speed annular fortune of realization
Dynamic or reciprocating motion, realizes the relatively high speed linear velocity needed between plane coating product workpiece and cladding machine, by superelevation fast thawing
Application of the coating technique on plane metalloid Parts Surface Coating modified technique, greatly improves cladding efficiency, can meet bulk
The demand in market, while in a manner of significant coating adhesion energy advantage and the non-metallurgical bonding of environment-friendly advantage substitution tradition and can deposit
In the electroplating technology and hot-spraying technique of serious environmental issue.
This plane metalloid part ultrahigh speed cladding system, cladding machine, plummer, transmission device and control device are formed
One drives the metal parts on plummer by transmission device, opposite between cladding machine to generate high linear speeds, increases life
Produce efficiency.High-energy-density is utilized using synchronous powder feeding system adding material mode by limiting the structure of the nozzle unit of cladding machine simultaneously
The substrate material surface that line moves added material with high-speed melts simultaneously, and quickly formation dilution rate is extremely low after solidification,
It is in the cladding layer of metallurgical bonding with matrix, cladding rate is greatly improved, guarantees coating quality.
Detailed description of the invention
Fig. 1 is the schematic diagram of plane metalloid part ultrahigh speed cladding system described in embodiment 1.
Fig. 2 is the structural schematic diagram of nozzle unit described in embodiment 1.
Fig. 3 is the structural schematic diagram of plummer described in embodiment 1.
Fig. 4 is the structural schematic diagram of dust feeder described in embodiment 1.
Fig. 5 is the schematic diagram of plane metalloid part ultrahigh speed cladding system as described in example 2.
Specific embodiment
The utility model is further described With reference to embodiment.Wherein, being given for example only property of attached drawing
Illustrate, expression is only schematic diagram, rather than pictorial diagram, should not be understood as the limitation to this patent；In order to which this reality is better described
With novel embodiment, the certain components of attached drawing have omission, zoom in or out, and do not represent the size of actual product；To ability
For field technique personnel, the omitting of some known structures and their instructions in the attached drawings are understandable.
Embodiment 1
This plane metalloid part ultrahigh speed cladding system as shown in Figure 1, including cladding machine 100, transmission device, be mounted on
Plummer 400 and control device 600 on transmission device, cladding machine 100 are suspended at 3 top of transmission device, and control device 600 controls
The cladding of cladding machine 100 is sprayed, and the operation of transmission device is controlled, and controller uses ks98 PMA multi-functional control in the present embodiment
Device.
Wherein, cladding machine 100 includes laser 10, dust feeder 20, air supply plant 40 and nozzle unit 30, laser 10
It is connect with nozzle unit 30 by optical fiber；As shown in Fig. 2, nozzle unit 30 includes the coaxial powder-feeding cladding head of back taper；Coaxially
The two sides of powder feeding cladding head are respectively equipped with powder gas channel structure 301；Angle between the central axis of powder gas channel structure 301 is in sharp
Angle, angle are 30 °~60 °；In the present embodiment, angle Selection is 45 °；Also along laser beam direction inside coaxial powder-feeding cladding head
Equipped with the laser channeling structure 302 with laser beams coaxial, the under shed diameter of laser channeling structure 302 is 1~5mm, this reality
It is 3mm with novel under shed diameter；Dust feeder 20 and air supply plant pass through powder feeding pipe and snorkel and nozzle unit respectively
30 connections；
Transmission device include three mover modules 500 and sliding rail 300, three mover modules 500 respectively with three plummers
400 are fixedly connected；Sliding rail 300 is unidirectional loop structure；Transmission device is driven by servo motor, stepper motor or linear motor
It is dynamic, the upper surface of mover module 500 and plummer 400 by the way that the bolt of four M5 connect；As shown in figure 3, plummer 400 is recessed
Slot structure 401, clamp device 700 are the fastening bolt 702 with positioning plate 701 across 400 side wall 402 of plummer.Fastening
Device 700 can be according to the size adjusting distance of metal parts, the more conducively fixation of metal parts.
Plummer 400 is equipped with inductor, and inductor is connect with control device 600, and sensing chip is arranged in station (this plane
Metalloid part ultrahigh speed cladding system spray being put into position) sliding rail on the outside of, inductor together with plummer reach station
When, sensing chip is sensed by inductor, inductive signal is transferred to control device 600, to determine the position of metal parts, with
Just cladding processing is carried out.
In order to more preferably carry out cladding, make in laser cladding process, the liquid alloy energy that laser beam is formed after melting powder
It is accurately coated on metal parts, is less prone to splash phenomena, reduce the loss amount of powder, guarantee the metal parts to run at high speed
Coating quality.The vertical distance that the upper surface of nozzle unit 30 and metal parts is obtained by many experiments is 8~20mm.This
The vertical distance of embodiment is 15mm.
The minimum spacing of any two mover module is the width of the plummer along slide direction.The setting of this structure guarantees
The independence in metal parts cladding process on production line sets control device according to the size of metal parts, and enhancing is originally
The market adaptability of plane metalloid part ultrahigh speed cladding system.
As shown in figure 4, dust feeder 20 includes feed inlet 201 and conveyer 202, transmission dress device 202 includes speed regulating motor
2021 and worm and gear 2022 adjust and control according to the technological requirements the powder sending quantity and powder feed rate of dust feeder.Pacify on snorkel
Flowmeter and control valve equipped with control protective atmosphere flow.
The plane metalloid part ultrahigh speed cladding system of the present embodiment, the laser power of laser are 3~8kW, powder feeding
The powder sending quantity of device is 5~50g/min, and the transmission speed of transmission device is 50~500mm/s.
The production that the plane metalloid part ultrahigh speed cladding system of the present embodiment is adapted to high-volume metal parts is repaired
It is multiple.
The working principle of this plane metalloid part ultrahigh speed cladding system are as follows: swashed using what superpower laser issued
Light is transferred to laser melting coating head by optical fiber, and is irradiated to plane metalloid part in a manner of defocus under the action of lens
Metal powder is blown into laser by pressurized inert gas according to calculated unit time powder sending quantity by upper surface, dust feeder
The coaxial powder gas channel structure of cladding head, injection into plane metalloid part upper surface road, close to focal position of laser
Place completes fusing, finally reaches and forms certain metallurgical bonding with part substrate behind plane metalloid part upper surface, thus complete
At cladding process.By the driving of servo motor, stepper motor or linear motor transmission device under a control program, it is real
Existing regular high linear speeds of the plane metalloid part relative to laser melting coating head, reach required for ultrahigh speed cladding to ensure
The high efficiency cladding purpose arrived.
Embodiment 2
The present embodiment and the structure of the plane metalloid part ultrahigh speed cladding system of embodiment 1 are essentially identical, different
Place is that the sliding rail 300 of transmission device is bidirectional reciprocating structure (being specifically shown in Fig. 5), is adapted to high-volume metal parts
Production is repaired.Advantage is that production space is small, strong operability.
By the plane metalloid part ultrahigh speed cladding system of embodiment 1 and embodiment 2, certain for rail traffic is blocky
Part belongs to high-volume product, and substrate is No. 45 steel, its surface covering hardness of technical requirements reaches HRC40 or more, shearing resistance
Shearing stress reaches 210MPa or more, and the protection level of neutral salt spray (NSS) test in 200 hours is not less than GB/T 10125-2012
In 9 grades.On the one hand the plating that traditional handicraft uses causes to be easy to fall off or defect since electroplated layer is too thin, not environmentally friendly enough, can not
The technique for meeting environmental protection and bond strength height, coating layer thickness thickness.The technology developed by the utility model, using M2 powder as
Coating material realizes the ultrahigh speed melting and coating technique successful application modified on rail traffic block part surface, solves enterprise
The hang-up that industry is currently encountered.The successful application of present case has very extensive demonstration.
Obviously, above-described embodiment is only intended to clearly illustrate the technical solution of the utility model example, and simultaneously
Non- is limitations of the embodiments of the present invention.For those of ordinary skill in the art, above explained
On the basis of can also make other variations or changes in different ways.There is no need and unable to give thoroughly all embodiments
It lifts.Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention etc. should be included in this
Within the protection scope of utility model claims.
Claims (10)
1. a kind of plane metalloid part ultrahigh speed cladding system, which is characterized in that including cladding machine, plummer, transmission device
And control device, the plummer are mounted on transmission device, the cladding machine is suspended above transmission device；
The cladding machine includes laser, dust feeder, air supply plant and nozzle unit, the laser and the nozzle unit
It is connected by optical fiber；The nozzle unit includes the coaxial powder-feeding cladding head of back taper；The two sides of the coaxial powder-feeding cladding head
It is respectively equipped with powder gas channel structure；Angle between the central axis of the powder gas channel structure is at an acute angle；The coaxial powder-feeding is molten
It covers inside head and to be also equipped with laser channeling structure with laser beams coaxial along laser beam direction, under the laser channeling structure
Opening diameter is 1~5mm；The dust feeder and air supply plant pass through powder feeding pipe respectively and snorkel is connect with nozzle unit；
The transmission device includes multiple mover modules and sliding rail；The sliding rail is unidirectional loop or bidirectional reciprocating structure；Institute
The upper surface for stating mover module is fixedly connected with plummer；The two sides of the plummer are equipped with clamp device, for putting and consolidating
Allocate noodles metal parts；
The cladding injection of the control device control cladding machine, controls the operation of transmission device.
2. plane metalloid part ultrahigh speed cladding system according to claim 1, which is characterized in that the nozzle unit with
The vertical distance of metal parts upper surface is 8~20mm.
3. plane metalloid part ultrahigh speed cladding system according to claim 1, which is characterized in that moved described in any two
The minimum spacing of submodule is the width of the plummer along slide direction.
4. plane metalloid part ultrahigh speed cladding system according to claim 1, which is characterized in that the plummer is recessed
Slot structure, the clamp device are the fastening bolt with positioning plate across plummer side wall.
5. plane metalloid part ultrahigh speed cladding system according to claim 1, which is characterized in that the dust feeder packet
Feed inlet and transmission device are included, the transmission device enters in snorkel by inside feed inlet, being arranged to conveying powder.
6. plane metalloid part ultrahigh speed cladding system according to claim 1, which is characterized in that pacify on the snorkel
Flowmeter and control valve equipped with control protective atmosphere flow.
7. plane metalloid part ultrahigh speed cladding system according to claim 1, which is characterized in that the transmission device by
Servo motor, stepper motor or linear motor driving, the plummer are equipped with inductor, the inductor and control device
Connection.
8. plane metalloid part ultrahigh speed cladding system according to claim 1, which is characterized in that the laser swashs
Optical power is 3~8kW.
9. plane metalloid part ultrahigh speed cladding system according to claim 1, which is characterized in that the dust feeder
Powder sending quantity is 5~50g/min.
10. plane metalloid part ultrahigh speed cladding system according to claim 1, which is characterized in that the transmission device
Transmission speed be 50~500mm/s.
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| GB2609883B (en) * | 2020-06-17 | 2023-07-05 | Univ Jiangsu | Apparatus and method for additive manufacturing by ultra-high-speed laser cladding |
| CN111850541A (en) * | 2020-06-17 | 2020-10-30 | 江苏大学 | Device and method for ultrahigh-speed laser cladding additive manufacturing |
| CN112251750A (en) * | 2020-11-24 | 2021-01-22 | 青岛科技大学 | Worm type center powder feeding type plasma cladding head |
| CN114686873A (en) * | 2020-12-26 | 2022-07-01 | 天津中科玛斯特激光科技有限公司 | Broadband high-speed laser cladding method and system |
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