CN209873070U - Plasma spraying laser ultrasonic positioning and ranging device - Google Patents
Plasma spraying laser ultrasonic positioning and ranging device Download PDFInfo
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- CN209873070U CN209873070U CN201920659673.6U CN201920659673U CN209873070U CN 209873070 U CN209873070 U CN 209873070U CN 201920659673 U CN201920659673 U CN 201920659673U CN 209873070 U CN209873070 U CN 209873070U
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Abstract
The utility model relates to a plasma spraying laser ultrasonic positioning range unit contains: the plasma spraying spray gun sprays to the surface of a sprayed part through a nozzle positioned in the center of the spray gun to form a coating; the clamp assembly is tightly clamped outside the spray gun; the first laser is fixedly arranged on the outer wall of one side of the clamp assembly and emits horizontal laser; the second laser is fixedly arranged on the outer wall of the top of the clamp assembly and emits vertical laser, and the intersection point of the vertical laser and the horizontal laser is overlapped with the center of the nozzle; the ultrasonic ranging assembly is fixedly arranged on the outer wall of the other side of the clamp assembly, and the distance between the ultrasonic ranging assembly and the spraying piece is measured and adjusted by transmitting and receiving reflected ultrasonic waves to the spraying piece. The utility model adopts cross laser positioning to improve positioning precision and spraying efficiency; and the distance adjustment precision between the nozzle of the plasma spraying gun and the spraying piece is effectively improved by adopting ultrasonic distance measurement.
Description
Technical Field
The utility model relates to a laser ultrasonic wave location range unit specifically indicates a laser ultrasonic wave location range unit of plasma spraying belongs to laser ultrasonic wave location range unit field.
Background
Plasma spraying is a technology for strengthening and modifying the surface of a material, and can enable the surface of a matrix to have the performances of wear resistance, corrosion resistance, high-temperature oxidation resistance, electric insulation, heat insulation, radiation protection, wear reduction, sealing and the like. The plasma flame flow has the characteristics of high temperature and concentrated energy beams, and can melt all high-hardness and high-melting-point powder, so that the range of materials for spraying is wide, and the plasma flame flow can be used for preparing various coatings. Before plasma spraying, the trajectory of the spraying program needs to be checked to verify whether the trajectory meets the requirements of spraying.
In the prior art, the operation is generally carried out by naked eyes for observation and positioning, so certain errors are generated, the coating to be sprayed is possibly not completely covered, waste of spraying powder and other required materials is caused, and the spraying efficiency is reduced. Plasma spraying requires a simple and quick positioning device for operational assistance.
In the particle spraying process, there are many process parameters that affect the quality of the coating, including the spraying distance. When the spraying distance is too large, the temperature and the speed of the powder particles are reduced, and the binding force, the air holes and the spraying efficiency are obviously reduced; if the spraying distance is too small, the temperature of the substrate is too high, the substrate and the coating are oxidized, and the combination of the coating is influenced.
In order to measure the spraying distance, a ruler is used for measurement in the conventional technology, but certain errors exist and the errors are large. For different spraying materials, the optimal spraying distances are different, so that manual measurement and correction are required to be carried out repeatedly, and the spraying efficiency is greatly influenced. Therefore, the plasma spraying needs an automatic and fast distance measuring device for meeting the requirements in the spraying process.
Based on the foregoing, the utility model provides a plasma spraying laser ultrasonic positioning range unit solves shortcoming and restriction that exists among the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a plasma spraying laser ultrasonic positioning distance measuring device, which adopts cross laser positioning, is simple and rapid, and improves the positioning precision and the spraying efficiency; the ultrasonic ranging is adopted, and the distance is compared with the preset spacing distance, so that the accuracy of determining and adjusting the distance between the nozzle of the plasma spraying gun and a sprayed part is effectively improved.
In order to achieve the above object, the utility model provides a plasma spraying laser ultrasonic positioning range unit contains: the plasma spraying spray gun sprays the surface of a sprayed part by adopting a plasma spraying technology through a nozzle positioned in the center of the spray gun and forms a firmly adhered coating; the clamp assembly is fixedly clamped outside the plasma spraying spray gun; the first laser is fixedly arranged on the outer wall of one side of the clamp assembly and emits linear horizontal laser; the second laser is fixedly arranged on the outer wall of the top of the clamp assembly and emits linear vertical laser, the intersection point of the vertical laser and the horizontal laser is overlapped with the center of the nozzle, and cross laser is formed on the surface of the spray-coated piece for positioning; the ultrasonic ranging assembly is fixedly arranged on the outer wall of the other side of the clamp assembly, and the distance between the ultrasonic ranging assembly and the spraying piece is measured and adjusted by transmitting and receiving reflected ultrasonic waves to the spraying piece.
The plasma spraying spray gun is characterized in that a spray gun insulating layer is further arranged outside the plasma spraying spray gun, and the clamp assemblies are fixedly clamped on two sides of the spray gun insulating layer.
The clamp assembly is formed by meshing and splicing a first half-side clamp and a second half-side clamp; the top of the first half-side clamp and the top of the second half-side clamp are both provided with first connecting screw holes, and screws are adopted for connection so as to realize meshing and splicing of the tops of the clamp assemblies; the bottom of the first half side clamp and the bottom of the second half side clamp are both provided with second connecting screw holes, and screws are adopted for connection so as to realize meshing and splicing of the bottoms of the clamp assemblies.
And a first mounting hole is formed in the outer wall of the side part of the first half-side clamp and used for fixedly mounting a first laser.
And semicircular grooves are formed in the outer walls of the tops of the first half side clamp and the second half side clamp, and a second mounting hole is formed by splicing and used for fixedly mounting a second laser.
The ultrasonic ranging assembly comprises: the shell is fixedly arranged on the outer wall of the side part of the second half-side clamp; the PLC control module is arranged inside the shell; ultrasonic ranging module passes through circuit connection with PLC control module, and is fixed to be set up on the shell, and its front orientation spraying piece, by this ultrasonic ranging module of PLC control module control to spraying piece transmission ultrasonic wave to monitoring this ultrasonic ranging module by PLC control module and receiving by the ultrasonic wave of spraying piece reflection, PLC control module is according to the time between transmission ultrasonic wave to the receipt reflection ultrasonic wave, calculates the real-time interval distance between ultrasonic ranging module and the spraying piece.
The front surface of the ultrasonic ranging module and the nozzle of the plasma spraying spray gun are positioned on the same horizontal plane.
The ultrasonic ranging module further comprises: the PCL control module is connected with the power supply through a circuit, and the power supply is connected with the PCL control module through a circuit; and the display screen is connected with the PCL control module through a circuit and used for displaying the set spraying distance and the current real-time measuring distance obtained by calculation of the PLC.
Ultrasonic ranging subassembly still contain alarm and LED flashing light, pass through circuit connection with PCL control module respectively, when PLC control module detected the real-time interval distance between ultrasonic ranging module and the spraying piece and reached the spraying distance that sets up, control alarm and send out the police dispatch newspaper and LED flashing light respectively and open the scintillation.
The ultrasonic ranging assembly further comprises a power supply, the power supply is fixedly arranged on the outer wall of any one side of the clamp assembly and is connected with the PLC control module through a power supply interface, and a working power supply is provided for the ultrasonic ranging assembly.
Based on the above, the plasma spraying laser ultrasonic positioning and ranging device provided by the utility model adopts cross laser positioning, is simple and fast, and improves positioning precision and spraying efficiency; adopt ultrasonic ranging to through the interval distance comparison with presetting, effectively improve the spout of plasma spraying spray gun and the precision of distance between the spraying piece confirm and the adjustment, adopt alarm warning and LED flashing lamp scintillation when reaching the setting distance simultaneously, easy operation, convenient and fast.
Drawings
Fig. 1 is a schematic circuit control diagram of a PLC control module according to the present invention;
fig. 2 is a schematic structural view of a first half-side clamp according to the present invention;
fig. 3 is a schematic structural view of a second half-side clamp according to the present invention;
fig. 4 is a schematic structural diagram of the clamp assembly of the present invention, which is formed by splicing a first half-side clamp and a second half-side clamp;
fig. 5 is a schematic structural view of an ultrasonic ranging module according to the present invention;
fig. 6 is a schematic structural view of a fixture assembly with a first laser and a second laser installed therein according to the present invention;
fig. 7 is a schematic structural diagram of the plasma spraying laser ultrasonic positioning and ranging device of the present invention.
Detailed Description
The technical content, the structural features, the achieved objects and the effects of the present invention will be clearly and completely described in detail by the preferred embodiments in conjunction with the attached drawings of fig. 1 to 7 of the specification. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 7, for the utility model provides a plasma spraying laser ultrasonic positioning range unit contains: the plasma spraying spray gun 4 sprays the surface of a sprayed part by adopting a plasma spraying technology through a nozzle 2 positioned at the central position of the plasma spraying spray gun 4 and forms a firmly-adhered coating; the clamp assembly 7 is fixedly clamped outside the plasma spraying spray gun 4; the first laser 1 is fixedly arranged on the outer wall of one side of the clamp assembly 7 and emits linear horizontal laser which passes through the central point of the nozzle 2; the second laser 6 is fixedly arranged on the outer wall of the top of the clamp assembly 7, emits linear vertical laser, passes through the central point of the nozzle 2, namely the intersection point of the vertical laser and the horizontal laser is overlapped with the center of the nozzle 2, and acts on the surface of the spraying part to form cross laser so as to perform cross positioning; the ultrasonic ranging component is fixedly arranged on the outer wall of the other side of the clamp component 7, and the distance between the ultrasonic ranging component and the spraying part is measured and adjusted by transmitting and receiving reflected ultrasonic waves to the spraying part.
The plasma spraying spray gun 4 is further provided with a spray gun insulating layer 5 outside, and the clamp assemblies 7 are fixedly clamped on two sides of the spray gun insulating layer 5.
As shown in fig. 4, the clamp assembly 7 is composed of a first half-side clamp 71 shown in fig. 2 and a second half-side clamp 72 shown in fig. 3. According to fig. 2 to 4, the top of the first half-side clamp 71 and the top of the second half-side clamp 72 are both provided with first connecting screw holes 8, and screws can be used for connection to realize the meshing and splicing of the tops of the clamp assemblies 7. According to fig. 2 to 4, the bottom of the first half-side clamp 71 and the bottom of the second half-side clamp 72 are provided with second connecting screw holes 14, and screws can be used for connection to realize the meshing and splicing of the bottom of the clamp assembly 7.
Further, as shown in fig. 2 and 4, a first mounting hole 73 is provided on an outer wall of a side portion of the first half jig 71 for fixedly mounting the first laser 1, as shown in fig. 6.
Further, as shown in fig. 2 and 3, the top outer walls of the first half-side clamp 71 and the second half-side clamp 72 are provided with semicircular grooves 74; when the first and second half-side jigs 71 and 72 are spliced to form the jig assembly 7, as shown in fig. 3, the two semicircular grooves 74 are spliced to form the second mounting hole 75 for fixedly mounting the second laser 6, as shown in fig. 6.
In the preferred embodiment of the present invention, the first connecting screw hole 8 is M8 screw hole, and can be connected and fixed by M8 screw; the second connecting screw hole 14 adopts an M6 screw hole, and can be connected and fixed by an M6 screw.
As shown in fig. 5, the ultrasonic ranging module includes: a housing 10 fixedly disposed on a side outer wall of the second half jig 72; a PLC control module disposed inside the housing 10; ultrasonic ranging module 9, pass through circuit connection with PLC control module, as shown in fig. 1, fixed setting is on shell 10, and it openly faces the spraying piece, by this ultrasonic ranging module 9 of PLC control module control to spraying piece transmission ultrasonic wave, and receive by the ultrasonic wave of spraying piece reflection by this ultrasonic ranging module 9 monitoring by PLC control module, PLC control module is according to the time between transmission ultrasonic wave to the receipt reflection ultrasonic wave, calculate the real-time interval distance between ultrasonic ranging module 9 and the spraying piece.
The front surface of the ultrasonic ranging module 9 and the nozzle 2 of the plasma spraying spray gun 4 are on the same horizontal plane, so that the distance between the ultrasonic ranging module 9 and the surface of the sprayed part is measured, namely the distance between the nozzle 2 and the surface of the sprayed part.
The ultrasonic wave transmitted by the ultrasonic ranging module 9 to the spraying part has characteristic frequency, and the ultrasonic wave reflected by the spraying part and received by the ultrasonic ranging module 9 also has the same characteristic frequency, so that the PLC control module determines the time difference between transmission and reception according to the characteristic frequency.
Further, the ultrasonic ranging assembly further comprises a plurality of setting buttons 16-19, as shown in fig. 1, which are respectively connected with the PCL control module through a circuit, and the current spraying distance is set or reset through the setting buttons 16-19; because the optimal spraying distance is different for different spraying materials, the optimal spraying distance needs to be reset according to the currently adopted spraying material.
The ultrasonic ranging assembly further comprises a display screen 13, as shown in fig. 1, connected with the PCL control module through a circuit, and used for displaying the set spraying distance and the current real-time measuring distance calculated by the PLC.
Ultrasonic ranging subassembly still contain alarm 11 and LED flashing light 15, as shown in FIG. 1, be connected through AD (analog-to-digital conversion) module with PCL control module respectively, when the real-time interval distance between operating personnel adjustment plasma spraying spray gun 4 and the spraying piece, PLC control module can control ultrasonic ranging module 9 to spraying piece surface emission ultrasonic wave, and calculate the real-time interval distance this moment by PLC control module monitoring, when PLC control module detects the real-time interval distance between ultrasonic ranging module 9 and the spraying piece and reaches the spraying distance that sets up, control alarm 11 respectively and send the police dispatch and LED flashing light 15 and open the scintillation.
Ultrasonic ranging subassembly still contain power 3, fixed setting is on the arbitrary one side outer wall of anchor clamps subassembly 7, as shown in figure 1, and is connected with PLC control module through power source 20, provides working power supply for ultrasonic ranging subassembly. In the preferred embodiment of the present invention, the power supply 3 is fixedly disposed above the first laser 1.
The ultrasonic ranging assembly further comprises a switch 12 which can be connected between the power supply interface 20 and the PLC control module, and the switch 12 is used for controlling the starting and the closing of the ultrasonic ranging assembly.
Based on the foregoing, the utility model provides a plasma spraying laser ultrasonic positioning range unit compares with prior art, has following beneficial effect:
1. the utility model adopts cross laser positioning, the intersection point of two laser lines is overlapped with the central point of the nozzle of the plasma spraying spray gun, and the positioning is simple and rapid; compare in traditional needs and adopt the visual observation location, the utility model discloses have higher positioning accuracy, the error of production is less, makes the spraying piece can be by the complete even cover of coating at the spraying in-process, reduces the waste of spraying powder, improves spraying efficiency.
2. The utility model discloses an ultrasonic ranging module is to spraying spare transmission ultrasonic wave through ultrasonic ranging to according to the transmission and receive the time difference between the reflection ultrasonic wave, calculate and spray the real-time interval distance between the spare, thereby the spout of accurate adjustment plasma spraying spray gun and the distance between the spraying spare are suitable for extensively, and the spraying spare of different materials can both be suitable for.
3. The utility model discloses a set up spacing distance, effectively improve the spout of plasma spraying spray gun and the precision of the distance between the spraying spare confirm and adjustment, adopt the alarm to report to the police and the LED flashing light scintillation when reaching the setting distance simultaneously, easy operation, convenient and fast.
While the present invention has been described in detail with reference to the preferred embodiments thereof, it should be understood that the above description should not be taken as limiting the present invention. Numerous modifications and alterations to the present invention will become apparent to those skilled in the art upon reading the foregoing description. Accordingly, the scope of the invention should be limited only by the attached claims.
Claims (10)
1. The utility model provides a plasma spraying laser ultrasonic positioning range unit which characterized in that contains:
the plasma spraying spray gun sprays the surface of a sprayed part by adopting a plasma spraying technology through a nozzle positioned in the center of the spray gun and forms a firmly adhered coating;
the clamp assembly is fixedly clamped outside the plasma spraying spray gun;
the first laser is fixedly arranged on the outer wall of one side of the clamp assembly and emits linear horizontal laser;
the second laser is fixedly arranged on the outer wall of the top of the clamp assembly and emits linear vertical laser, the intersection point of the vertical laser and the horizontal laser is overlapped with the center of the nozzle, and cross laser is formed on the surface of the spray-coated piece for positioning;
the ultrasonic ranging assembly is fixedly arranged on the outer wall of the other side of the clamp assembly, and the distance between the ultrasonic ranging assembly and the spraying piece is measured and adjusted by transmitting and receiving reflected ultrasonic waves to the spraying piece.
2. The plasma spray laser ultrasonic positioning and ranging device as claimed in claim 1, wherein a spray gun insulating layer is further provided outside the plasma spray gun, and the clamp assemblies are fixedly clamped on both sides of the spray gun insulating layer.
3. The plasma spray laser ultrasonic positioning and ranging device as claimed in claim 1, wherein the clamp assembly is formed by engaging and splicing a first half-side clamp and a second half-side clamp;
the top of the first half-side clamp and the top of the second half-side clamp are both provided with first connecting screw holes, and screws are adopted for connection so as to realize meshing and splicing of the tops of the clamp assemblies;
the bottom of the first half side clamp and the bottom of the second half side clamp are both provided with second connecting screw holes, and screws are adopted for connection so as to realize meshing and splicing of the bottoms of the clamp assemblies.
4. The plasma spray laser ultrasonic positioning and ranging device as claimed in claim 3, wherein a first mounting hole is formed in an outer wall of a side portion of the first half jig for fixedly mounting the first laser.
5. The plasma spray laser ultrasonic positioning and ranging device as claimed in claim 3, wherein the first half-side clamp and the second half-side clamp are provided with semicircular grooves on the outer walls of the tops thereof, and a second mounting hole is formed by splicing for fixedly mounting the second laser.
6. The plasma spray laser ultrasonic positioning and ranging apparatus of claim 3, wherein the ultrasonic ranging module comprises:
the shell is fixedly arranged on the outer wall of the side part of the second half-side clamp;
the PLC control module is arranged inside the shell;
ultrasonic ranging module passes through circuit connection with PLC control module, and is fixed to be set up on the shell, and its front orientation spraying piece, by this ultrasonic ranging module of PLC control module control to spraying piece transmission ultrasonic wave to monitoring this ultrasonic ranging module by PLC control module and receiving by the ultrasonic wave of spraying piece reflection, PLC control module is according to the time between transmission ultrasonic wave to the receipt reflection ultrasonic wave, calculates the real-time interval distance between ultrasonic ranging module and the spraying piece.
7. The plasma spray laser ultrasonic positioning and ranging device as claimed in claim 6, wherein the front face of the ultrasonic ranging module is in the same horizontal plane with the nozzle of the plasma spray gun.
8. The plasma spray laser ultrasonic positioning and ranging device of claim 6, wherein the ultrasonic ranging assembly further comprises:
the PCL control module is connected with the power supply through a circuit, and the power supply is connected with the PCL control module through a circuit;
and the display screen is connected with the PCL control module through a circuit and used for displaying the set spraying distance and the current real-time measuring distance obtained by calculation of the PLC.
9. The plasma spraying laser ultrasonic positioning and ranging device as claimed in claim 8, wherein the ultrasonic ranging assembly further comprises an alarm and an LED flashing light, the alarm and the LED flashing light are respectively connected with the PCL control module through circuits, and when the PLC control module detects that the real-time interval distance between the ultrasonic ranging module and the spraying member reaches the set spraying distance, the alarm is respectively controlled to give an alarm and the LED flashing light is respectively controlled to turn on and flash.
10. The plasma spraying laser ultrasonic positioning and ranging device as claimed in claim 6, wherein the ultrasonic ranging assembly further comprises a power supply fixedly arranged on the outer wall of any one side of the clamp assembly and connected with the PLC control module through a power interface to provide a working power supply for the ultrasonic ranging assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920659673.6U CN209873070U (en) | 2019-05-09 | 2019-05-09 | Plasma spraying laser ultrasonic positioning and ranging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920659673.6U CN209873070U (en) | 2019-05-09 | 2019-05-09 | Plasma spraying laser ultrasonic positioning and ranging device |
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| Publication Number | Publication Date |
|---|---|
| CN209873070U true CN209873070U (en) | 2019-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920659673.6U Expired - Fee Related CN209873070U (en) | 2019-05-09 | 2019-05-09 | Plasma spraying laser ultrasonic positioning and ranging device |
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| CN (1) | CN209873070U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110218964A (en) * | 2019-05-09 | 2019-09-10 | 上海海事大学 | A kind of plasma spraying laser ultrasonic positioning distance measuring device |
-
2019
- 2019-05-09 CN CN201920659673.6U patent/CN209873070U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110218964A (en) * | 2019-05-09 | 2019-09-10 | 上海海事大学 | A kind of plasma spraying laser ultrasonic positioning distance measuring device |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191231 |