CN210916257U - Bearing device for laser cladding plane product and laser cladding system - Google Patents
Bearing device for laser cladding plane product and laser cladding system Download PDFInfo
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- CN210916257U CN210916257U CN201921973897.0U CN201921973897U CN210916257U CN 210916257 U CN210916257 U CN 210916257U CN 201921973897 U CN201921973897 U CN 201921973897U CN 210916257 U CN210916257 U CN 210916257U
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Abstract
The utility model discloses a bearing device for laser cladding plane products, which comprises a cooling circulation tank, a workpiece fixing table arranged in the cooling circulation tank, and a baffle device arranged on one side of the workpiece fixing table; the device can rapidly install and detach the plane product to be clad, can effectively control the deformation of the product through cooling of the cooling circulating pool, can clad small batches of products simultaneously, does not need to be placed on the bearing device for a long time after cladding, and saves the time of a laser cladding process. The laser cladding system of the bearing device for the laser cladding plane product integrates the laser cladding integrated module, the water cooling machine I, the temperature sensor and the control device, adjusts cladding process parameters of the laser cladding integrated module to be matched with the cooling circulation speed of cooling liquid, effectively controls the quality of laser cladding on the surface of the plane product, enables the laser beam to firmly and well metallurgically combine powder and the surface of the plane product, is small in deformation, and improves the product percent of pass.
Description
Technical Field
The utility model belongs to the technical field of laser surface modification, specifically, relate to a laser cladding plane product bear device and laser cladding system.
Background
The laser cladding technology is a technological method for remarkably improving the wear resistance, corrosion resistance, heat resistance, oxidation resistance, electrical characteristics and the like of the surface of a base material by placing selected coating materials on the surface of a coated base body in different filling modes, simultaneously melting a thin layer on the surface of the base body through laser irradiation, and forming a surface coating which has extremely low dilution and is metallurgically combined with the base material after rapid solidification.
Laser cladding is the process of melting powder and the surface of a substrate by a laser beam with high energy density to form a surface cladding layer. Because the forming process adopts a high-power heat source, the forming temperature has the characteristics of dynamics, time variation and non-uniformity, the substrate and the forming surface of the planar product are easy to expand and contract non-uniformly, and the deformation of the substrate and the forming part of the planar product is caused.
In the laser cladding operation, the substrate deformation of a planar product is represented as low in the middle and warp deformation on two sides under the condition that the bottoms of the substrate of the planar product are fixed on the periphery without constraint.
At present, the plane product passes through the fixed mode of steel core, presss from both sides the four corners of tight plane product through the frock, makes plane product laser cladding deflection control, but the clamping of this kind of mode is more complicated, and the clamping is inefficient, if when unloading the work piece from cladding the bench after the laser cladding, because residual stress makes plane work piece produce secondary deformation, consequently, the product of laser cladding need place several hours and just can lift off, gets into next process. Long production period, high cost and low production efficiency.
In addition, after the existing plane product enters a grinding process, due to different deformations, the thickness of a laser cladding layer on the surface of a part of the ground substrate cannot meet the use requirement, the plane product cannot be used, and rework and other problems are easy to generate.
In the research aiming at the control of the laser cladding deformation of the planar product, no method which meets the actual production requirement, is convenient and practical and has high production efficiency is reported.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem lie in overcoming prior art's defect, provide a bearing device of laser cladding plane product, the device can be fast will wait to clad plane product installation and dismantlement, the laser cladding time of product has been saved, and through the cooling in cooling circulation pond, can effectively control the deformation of laser cladding plane product, can clad the small batch product simultaneously, need not to place for a long time on bearing device after cladding, when unloading from bearing device, be difficult for making the plane work piece produce secondary deformation. The qualification rate of laser cladding of the plane product is ensured.
The utility model provides a laser cladding system that bears device of laser cladding plane product simultaneously, with laser cladding integrated module, water-cooling machine one, temperature sensor and controlling means form integratively, the technological parameter that laser cladding integrated module's cladding cooperatees with the cooling circulation speed of coolant liquid, the quality of effective control plane product surface laser cladding makes the laser beam produce firm, good metallurgical combination with powder and plane product surface, the deflection is little, improves the product percent of pass, for the next good basis of process setting down.
The utility model discloses the purpose is realized through following technical scheme:
the bearing device for the laser cladding plane product comprises a cooling circulation pool, a workpiece fixing table arranged in the cooling circulation pool, and a baffle device arranged on one side of the workpiece fixing table;
the workpiece fixing table comprises a base plate and a fixing block arranged on the base plate, and the base plate is a plane plate; the fixing blocks are in a paired structure and are arranged in a groove shape with the base plate; the width of the groove shape is more than or equal to that of a plane product to be cladded; the fixed block is provided with an adjusting device which is set to adjust the width of the groove shape;
the baffle device is arranged in parallel with the base plate, and the vertical height of the baffle device is higher than that of the workpiece fixing table;
the cooling circulation pool is provided with a cooling liquid inlet and a cooling liquid outlet, and the cooling liquid inlet and the cooling liquid outlet are respectively arranged at two ends of the cooling circulation pool.
In order to adapt to a planar product, the bearing device for the laser cladding planar product is characterized in that a workpiece fixing table and a baffle device are arranged in a cooling circulating pool filled with cooling liquid, and the workpiece fixing table is of a groove-shaped structure and can be used for placing the planar product in a groove structure; the adjusting device is arranged on the fixing block of the workpiece fixing table, and provides a corresponding pretightening force for fixing the plane product, so that the plane product cannot slide in the groove structure, and the cladding process is further not interfered by the position change of the product.
The baffle with work piece fixed station parallel arrangement is in order to accurately find the position of placing the plane product, supports the baffle with one side of product during general use, and the baffle plays the effect of injecing the product position, makes the installation of plane product convenient more, quick.
Furthermore, the number of the backing plates is two, and the backing plates are arranged at the bottom of the cooling circulation pool in parallel. The arrangement of the base plate can prevent the bottom space of the cooling circulation pool from being excessively occupied by the base plate, and is more beneficial to the circulation of cooling liquid in the cooling circulation pool. The laser cladding process of the planar product is cooled, and the deformation is reduced.
Further, the fixed block is fixed on the backing plate through a bolt.
Furthermore, the adjusting device is a bolt penetrating through one side of the fixing block, and a threaded hole for mounting the bolt is formed in the fixing block; the length of the bolt is greater than that of the threaded hole. The arrangement of the bolt and the threaded hole is used for better locking and fixing the position of the plane product on the workpiece fixing table. The workpiece fixing table can be applied to plane products with different dimensions, has strong practicability and universality, and can be used for laser cladding production of different products without replacing tools in a certain size range.
The utility model discloses a laser cladding system of a bearing device comprising a laser cladding plane product, which also comprises a laser cladding integrated module, a water cooling machine I, a temperature sensor and a control device;
the laser cladding integrated module comprises a laser, a powder feeder, an inert gas container, a water cooling machine II and a cladding head, wherein the laser is connected with the cladding head through an optical fiber;
the first water cooling machine is respectively connected with the cooling liquid inlet and the cooling liquid outlet through a water inlet pipe and a water outlet pipe;
the temperature sensor is arranged on the outer wall of the cooling circulation pool and is in contact with the cooling liquid;
the control device is in communication connection with the bearing device of the laser cladding plane product, the laser cladding integrated module, the water cooling machine I and the temperature sensor.
The system integrates the laser cladding integrated module, the water cooling machine I, the temperature sensor and the control device, cladding process parameters of the laser cladding integrated module are matched with the cooling circulation speed of cooling liquid, the quality of laser cladding on the surface of a plane product is effectively controlled, powder and the surface of the plane product are firmly and well metallurgically bonded by laser beams, the deformation is small, the product percent of pass is improved, and a good foundation is laid for the next procedure. Is more suitable for popularization.
Further, an inert gas container respectively conveys inert gas to the powder feeder and the cladding head through a first pipeline and a second pipeline; the powder feeder is connected with the cladding head through a powder pipe.
Further, the water cooling machine is provided with cooling water for the laser and the cladding head through a first water pipe and a second water pipe respectively.
Further, an inductor is further arranged on the cladding head. The sensor can sense the position of a workpiece, can accurately position the area to be subjected to laser cladding, and ensures the laser cladding quality.
Furthermore, the water inlet pipe and the water outlet pipe are respectively provided with a flowmeter and a control valve. The flow rate and circulation of the cooling liquid can be adjusted at any time by the flow meter and the control valve.
The laser cladding speed is adjusted according to the powder feeding amount of the powder feeder, the cladding process parameters of the laser cladding integrated module are matched with the cooling circulation speed of the cooling liquid by matching with the cooling circulation speed of the cooling liquid, the quality of laser cladding on the surface of the planar product is effectively controlled, the laser beam enables the powder and the surface of the planar product to be firmly and well metallurgically bonded, the deformation amount is small, and the product percent of pass is improved.
Compared with the prior art, the utility model discloses following beneficial effect has:
according to the bearing device for the laser cladding plane product, the structural innovation of the bearing device is realized according to the cladding characteristics of the plane product, so that the device can rapidly install and detach the plane product to be clad, the laser cladding time of the product is saved, the deformation of the laser cladding plane product can be effectively controlled through the cooling of the cooling circulating pool, the bearing device does not need to be placed for a long time after cladding, and when the bearing device is detached, the plane workpiece is not easy to generate secondary deformation. The laser cladding yield of the plane product is ensured, and the cladding quality of the plane product is greatly improved.
The utility model also provides a laser cladding system of bearing device of laser cladding plane product, with laser cladding integrated module, water-cooling machine one, temperature sensor and controlling means form integratively, the technological parameter that laser cladding integrated module's cladding cooperatees with the cooling circulation speed of coolant liquid, the quality of effective control plane product surface laser cladding makes the laser beam produce firm, good metallurgical combination with powder and plane product surface, and the deflection is little, improves the product percent of pass, lays good basis for next process.
The bearing device of the laser cladding plane product changes the structure of the bearing device of the laser cladding plane product aiming at the characteristics of the plane product on the premise of not increasing the cost, and greatly improves the production efficiency by combining the circulation function of the coolant of the cooling circulation pool, the surface of the obtained laser cladding layer generates firm and good metallurgical bonding, the deformation is small, and the qualification rate of the product batch is high.
Drawings
Fig. 1 is a schematic view of a carrying device of the laser cladding planar product of embodiment 1.
Fig. 2 is a schematic view of a laser cladding system of embodiment 2 including a carrier of a laser cladding planar product.
Fig. 3 is a schematic structural diagram of the laser cladding integrated module of embodiment 2.
The device comprises a bearing device 1, a laser cladding integrated module 2, a laser 21, a powder feeder 22, a powder pipe 221, an inert gas container 23, a first 231-pipeline, a second 232-pipeline, a second 24-water cooler, a first 241-water pipe, a second 242-water pipe, a 25-cladding head, a first 3-water cooler, a first 31-water inlet pipe, a second 32-water outlet pipe, a 4-temperature sensor, a 5-control device, a 10-cooling circulation tank, a 20-workpiece fixing table, a 201-backing plate, a 202-fixing block, a 203-groove type, a 204-adjusting device, a 2041-bolt, a 2042-threaded hole, a 101-cooling liquid inlet, a 102-cooling liquid outlet and a 30-baffle device.
Detailed Description
The present invention will be further described with reference to the following embodiments. Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
Example 1
The carrying device for laser cladding of a planar product a shown in fig. 1 comprises a cooling circulation tank 10, a workpiece fixing table 20 arranged in the cooling circulation tank 10, and a baffle device 30 arranged at one side of the workpiece fixing table 20.
Specifically, the workpiece fixing table 20 includes a backing plate 201 and a fixing block 202 mounted on the backing plate 201, and the backing plate 201 is a flat plate; the fixing blocks 202 are arranged in pairs and form a groove 203 with the backing plate 201; the width of the trough 203 is greater than or equal to the width of the planar product a to be cladded, and in this embodiment, the width of the trough 203 is equal to the width of the planar product a to be cladded.
The fixed block 202 is provided with an adjusting device 204 which is arranged to adjust the width of the groove 203; the adjusting device 204 is a bolt 2041 penetrating through one side of the fixed block, and the fixed block 202 is provided with a threaded hole 2042 for mounting the bolt 2041; the length of the bolt 2041 is greater than the length of the threaded hole 2042. Namely, two parallel backing plates 201 and a pair of fixing blocks 202 mounted on the backing plates 201 form a groove-shaped unit, and each groove-shaped unit is provided with a pair of adjusting devices 204 which are transversely and centrally symmetrically arranged. For ease of adjustment, the rotating end of the adjustment device 204 is disposed outside the slot 203.
The arrangement of the bolts 2041 and the threaded holes 2042 is to better lock and fix the position of the flat product on the workpiece fixing table 20. The workpiece fixing table 20 can be used for plane products of different sizes and specifications, the practicability and the universality are strong, and laser cladding production of different products can be carried out without replacing tools in a certain size range.
The two backing plates 201 are arranged at the bottom of the cooling circulation pool 10 in parallel. The two backing plates 201 can save materials used for the backing plates 201, and can prevent the bottom space of the cooling circulation tank 10 from being excessively occupied by the backing plates 201, thereby being more beneficial to the circulation of cooling liquid in the cooling circulation tank 10. The laser cladding process of the planar product is effectively cooled, and the deformation is reduced.
The baffle device 30 is arranged in parallel with the workpiece fixing table 20, and the vertical height of the baffle device 30 is higher than that of the workpiece fixing table 20; the baffle device 30 is arranged to accurately position and place the laser cladding plane products A, when a plurality of plane products are subjected to laser cladding, one side of each plane product can be abutted against the edge of the baffle device 30, so that the plane products are placed on the workpiece fixing table 20 in order, the laser cladding process is facilitated, and the consistency of the cladding products is better guaranteed.
The cooling circulation tank 10 is provided with a cooling liquid inlet 101 and a cooling liquid outlet 102, and the cooling liquid inlet 101 and the cooling liquid outlet 102 are respectively arranged at two ends of the cooling circulation tank 10.
When the device is used, firstly, the bolt 2041 of the adjusting device of the fixed block 202 is screwed out of the groove 203, two ends of a planar product A to be clad, such as a turnout bedplate of a high-speed railway, are respectively arranged on the two base plates 201, at the moment, one side of the planar product A to be clad in the groove 203 formed by the base plates 201 and the fixed block 202 is abutted against one end of the baffle device 30, the planar product A to be clad is contacted with one side of the fixed block 202, which is not provided with the adjusting device 204, and the bedplate is fixed by rotating the adjusting device 204; and simultaneously fixing another planar product A to be clad on the bearing device in the same way. The cooling liquid is injected into the cooling circulation pool 10 through the cooling liquid inlet 101, and the liquid level of the cooling liquid needs to be lower than the upper surface of the planar product A to be clad. The temperature of the cooling liquid is 30-40 ℃, and the problem of large deformation of the workpiece caused by laser cladding is solved through circulation of the cooling liquid.
Example 2
As shown in fig. 2 and 3, the laser cladding system including the carrying device 1 for laser cladding planar products further includes a laser cladding integrated module 2, a first water cooling machine 3, a temperature sensor 4 and a control device 5.
The laser cladding integrated module 2 comprises a laser 21 with an inductor, a powder feeder 22, an inert gas container 23, a water cooling machine II 24 and a cladding head 25, wherein the laser 21 is connected with the cladding head 25 through an optical fiber.
The laser cladding integrated module 2 is arranged above the bearing device 1, and the first water cooling machine 3 is respectively connected with the cooling liquid inlet 101 and the cooling liquid outlet 102 through the water inlet pipe 31 and the water outlet pipe 32; the temperature sensor 4 is disposed on the outer wall of the cooling circulation tank 10 and is in contact with the cooling liquid.
The control device 5 is in communication connection with the bearing device 1 of the laser cladding plane product, the laser cladding integrated module 2, the first water cooling machine 3 and the temperature sensor 4.
Specifically, the inert gas container 23 respectively conveys inert gas to the powder feeder 22 and the cladding head 25 through a first pipeline 231 and a second pipeline 232; the powder feeder 22 is connected with the cladding head 25 through a powder pipe 221.
And the second water cooling machine 24 supplies cooling water to the laser 21 and the cladding head 25 through a first water pipe 241 and a second water pipe 242 respectively.
The cladding head 25 is also provided with an inductor, and the water inlet pipe 31 and the water outlet pipe 32 are respectively provided with a flowmeter and a control valve (not shown in the figure).
The laser cladding speed is adjusted according to the powder feeding amount of the powder feeder 22, and the cladding process parameters of the laser cladding integrated module are matched with the cooling circulation speed of the cooling liquid by matching with the cooling circulation speed of the cooling liquid, so that the quality of laser cladding on the surface of the planar product is effectively controlled.
In the embodiment, the laser 21 is a 6kW laser of Xin corporation, and the model MFMC-6000 is stable in power output; the powder feeder 22 adopts a synchronous rotating disc type double-cylinder powder feeder with model TD03-MH, has high powder feeding precision and is convenient to control; the first water cooler 3 and the second water cooler 24 are TFLW-6000WDR of the three-river co-aircraft company; the cladding head 25 adopts a straight laser cladding head with the model LAMLH-S, and the cladding head 25 has large adaptable laser power range and good facula effect.
The distance between the cladding head 25 and the upper surface of the planar product A to be cladded is adjusted according to the requirements of the product, so that the liquid alloy formed after the powder is melted by the laser beam can be accurately coated on the metal part in the laser cladding process, the splashing phenomenon is not easy to occur, the loss amount of the powder is reduced, and the spraying quality of the metal part running at high speed is ensured.
The powder feeding amount of the powder feeder is 1-20 g/min, and the powder feeding amount selected in the embodiment is 10 g/min; the laser cladding scanning speed of the laser is 5-25 mm/s, and the scanning speed selected in the embodiment is 15 mm/s. The laser power of the laser is 0.5-10 kW, and the laser power selected in the embodiment is 5 kW.
The working principle of the laser cladding system of the bearing device 1 for laser cladding plane products is as follows:
and the movement mechanism device with the well programmed movement path clamps the laser cladding head, and performs two-dimensional movement above the planar workpieces arranged in an array manner to perform laser cladding sintering. The temperature sensor in the cooling circulation pool feeds the temperature of the cooling liquid back to the control device (control cabinet) in real time, the control cabinet controls the water cooling machine to circulate the cooling liquid in the cooling circulation pool through communication, so that the temperature of the cooling liquid is maintained in a matching temperature range, the planar workpiece is always in the working condition of the optimal cladding temperature, the optimal control of the cladding quality is realized, and the deformation of the workpiece after cladding is not higher than the deformation control standard.
It should be understood that the above-mentioned embodiments are only examples for clearly illustrating the technical solutions of the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (9)
1. A bearing device for laser cladding plane products is characterized by comprising a cooling circulation pool, a workpiece fixing table arranged in the cooling circulation pool, and a baffle device arranged on one side of the workpiece fixing table;
the workpiece fixing table comprises a base plate and a fixing block arranged on the base plate, and the base plate is a plane plate; the fixing blocks are in a paired structure and are arranged in a groove shape with the base plate; the width of the groove shape is more than or equal to that of a plane product to be cladded; the fixed block is provided with an adjusting device which is set to adjust the width of the groove shape;
the baffle device is arranged in parallel with the base plate, and the vertical height of the baffle device is higher than that of the workpiece fixing table;
the cooling circulation pool is provided with a cooling liquid inlet and a cooling liquid outlet, and the cooling liquid inlet and the cooling liquid outlet are respectively arranged at two ends of the cooling circulation pool.
2. The carrying device for laser cladding plane products as claimed in claim 1, wherein the number of the backing plates is two, and the two backing plates are arranged at the bottom of the cooling circulation tank in parallel.
3. The carrying device for laser cladding plane products as claimed in claim 1, wherein the fixing block is fixed on the backing plate by bolts.
4. The carrying device for laser cladding planar products as claimed in claim 2, wherein the adjusting device is a bolt penetrating through one side of the fixing block, and the fixing block is provided with a threaded hole for mounting the bolt; the length of the bolt is greater than that of the threaded hole.
5. A laser cladding system comprises the bearing device for laser cladding plane products as claimed in any one of claims 1 to 4, and is characterized by further comprising a laser cladding integrated module, a first water cooling machine, a temperature sensor and a control device;
the laser cladding integrated module comprises a laser, a powder feeder, an inert gas container, a water cooling machine II and a cladding head, wherein the laser is connected with the cladding head through an optical fiber;
the first water cooling machine is respectively connected with the cooling liquid inlet and the cooling liquid outlet through a water inlet pipe and a water outlet pipe;
the temperature sensor is arranged on the outer wall of the cooling circulation pool and is in contact with the cooling liquid;
the control device is in communication connection with the bearing device of the laser cladding plane product, the laser cladding integrated module, the water cooling machine I and the temperature sensor.
6. The laser cladding system of claim 5, wherein said inert gas vessel delivers inert gas to said powder feeder and said cladding head through a first line and a second line, respectively; the powder feeder is connected with the cladding head through a powder pipe.
7. The laser cladding system of claim 5, wherein said water cooling machine is provided with cooling water through a first water pipe and a second water pipe for respectively providing cooling water for said laser and said cladding head.
8. The laser cladding system of any one of claims 6 to 7, wherein an inductor is further arranged on the cladding head.
9. The laser cladding system of any one of claims 6 to 7, wherein the water inlet pipe and the water outlet pipe are respectively provided with a flow meter and a control valve.
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| CN201921973897.0U CN210916257U (en) | 2019-11-15 | 2019-11-15 | Bearing device for laser cladding plane product and laser cladding system |
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| CN201921973897.0U CN210916257U (en) | 2019-11-15 | 2019-11-15 | Bearing device for laser cladding plane product and laser cladding system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112663052A (en) * | 2020-12-18 | 2021-04-16 | 重庆工商大学 | Laser cladding test piece cooling method |
| CN112695317A (en) * | 2020-12-18 | 2021-04-23 | 重庆工商大学 | Positioning device for laser cladding processing |
| CN114507854A (en) * | 2022-01-29 | 2022-05-17 | 中车工业研究院有限公司 | Online cooling and heat treatment method for repairing heat-treatable aluminum alloy based on laser |
-
2019
- 2019-11-15 CN CN201921973897.0U patent/CN210916257U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112663052A (en) * | 2020-12-18 | 2021-04-16 | 重庆工商大学 | Laser cladding test piece cooling method |
| CN112695317A (en) * | 2020-12-18 | 2021-04-23 | 重庆工商大学 | Positioning device for laser cladding processing |
| CN114507854A (en) * | 2022-01-29 | 2022-05-17 | 中车工业研究院有限公司 | Online cooling and heat treatment method for repairing heat-treatable aluminum alloy based on laser |
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