CN210367905U - Semi-open type atmosphere protection and water cooling device for laser cladding - Google Patents
Semi-open type atmosphere protection and water cooling device for laser cladding Download PDFInfo
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- CN210367905U CN210367905U CN201920866059.7U CN201920866059U CN210367905U CN 210367905 U CN210367905 U CN 210367905U CN 201920866059 U CN201920866059 U CN 201920866059U CN 210367905 U CN210367905 U CN 210367905U
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Abstract
A semi-open type atmosphere protection and water cooling device for laser cladding is characterized in that an atmosphere protection box is fixed on an experiment table through supporting legs; the water cooling assembly is fixed at the bottom of the atmosphere protection box and comprises a water cooling base and a clamping part, a plurality of water flow grooves for cooling the substrate are formed in the water cooling base, rubber gaskets are arranged on the water cooling base around the water flow grooves, and the substrate for experiment is fixed on the water cooling base by the clamping part; the air blowing components are positioned above the water cooling components, the air blowing components are fixed on two sides of the atmosphere protection box in a fan shape, and each air blowing component is provided with a plurality of micro air outlets; the top of the atmosphere protection box is open and is in a semi-open type. By adopting the technical scheme, the crystal grains of the laser cladding structure can be effectively refined, the deformation of the matrix material is reduced, the oxidation and impurity pollution of the cladding layer can be effectively controlled in the inert gas, and the comprehensive performance of the cladding part is improved.
Description
Technical Field
The utility model belongs to the technical field of laser beam machining and specifically relates to a laser cladding atmosphere protection water cooling plant is related to.
Background
The laser cladding technology is a technological method for remarkably improving the wear-resisting, corrosion-resisting, heat-resisting, oxidation-resisting and electrical properties of the surface of a base layer by placing specific metal material powder on the surface of a cladded base body in a powder laying or powder feeding mode, simultaneously melting a thin layer on the surface of the base body by using laser energy, and forming a coating which is in metallurgical bonding with the base body after rapid solidification, thereby achieving the purpose of surface modification or repair, meeting the requirements on specific properties of the surface of the material and saving a large amount of precious elements. Compared with surfacing, spraying, electroplating and vapor deposition, laser cladding has the characteristics of small dilution, compact structure, good combination of a coating and a matrix, more suitable cladding materials, large particle size and content change and the like, so the application prospect of the laser cladding technology is very wide.
Axial protective gas is generally used in the laser cladding process, and the protective gas can form local atmosphere protection, but the atmosphere protection is not sufficient, and after a laser head is removed, the coating is completely exposed in the air in the solidification process, so that oxidation can easily occur, and the surface performance of the coating is influenced. The commonly used atmosphere protection device at present has tail-blowing atmosphere protection, complete atmosphere protection, and these devices have certain shortcoming: 1) the tail-blowing atmosphere protection device can play a certain protection role along with the movement of the laser head, but when the air blowing port is moved away, the coating can be oxidized, and when the movement direction of the laser head is changed, the tail-blowing atmosphere protection device needs to be disassembled again, so that the tail-blowing atmosphere protection device is not convenient; 2) the blowing type atmosphere protection device is not provided with an atmosphere protection box, and the workbench is continuously blown through a plurality of air outlets at two ends, so that the surface of the workbench is always in an inert gas protection state, but the air flow generated by continuous blowing can change the air flow for feeding powder, and the appearance of a molten pool is influenced; 3) the complete atmosphere protection box is an atmosphere protection device with the best effect, the whole experiment platform and the laser head are both in the environment protected by inert gas, the influence of air on the coating is completely eliminated, but the equipment protection box has larger space, longer time required for atmosphere protection, and also needs a large amount of inert protection gas, so that the equipment protection box is not suitable for small-sized simple experiment research.
When laser cladding is performed on a thin plate substrate, the substrate is subjected to thermal deformation to a certain extent under the influence of heat input, which is a damage to the substrate material. When the coating is prepared, the deformation of the matrix is avoided as much as possible, and the original appearance and performance of the matrix material are ensured. The common laser cladding water cooling device has some common problems: 1) the cooling water has low flow efficiency and poor cooling effect; 2) only for substrates of a particular size.
When the requirements of atmosphere protection and water cooling exist in the laser cladding process, a device capable of meeting the two requirements simultaneously does not exist in the market, a product needs to be designed to overcome the defects of atmosphere protection and water cooling, and the two requirements are met simultaneously.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provides a semi-open type atmosphere protection and water cooling device for laser cladding.
The utility model discloses an be equipped with water cooling module 2 and a plurality of gondola water faucet formula subassembly 3 of blowing in atmosphere guard box 1, play the accuse shape accuse nature effect that is showing at the laser cladding in-process, effective control coating surface oxidation and impurity contamination restrain the base member and warp, refine the inside crystalline grain of coating, reduce the defect.
In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a laser cladding is with semi-open atmosphere protection and water cooling plant which characterized in that: the device comprises an atmosphere protection box 1, a water cooling assembly 2 and a blowing assembly 3, wherein the atmosphere protection box 1 is fixed on an experiment table through supporting legs 13; the water-cooling assembly 2 is fixed at the bottom of the atmosphere protection box 1, the water-cooling assembly 2 comprises a water-cooling base 21 and a clamping part 23, a plurality of water flow grooves 211 for cooling the substrate are formed in the water-cooling base 21, rubber gaskets 22 are arranged on the water-cooling base 21 around the water flow grooves 211, and the substrate is fixed on the water-cooling base 21 through the clamping part 23; the air blowing components 3 are positioned above the water cooling components 2, the air blowing components 3 are fixed on two sides of the atmosphere protection box 1 in a fan shape to realize all-dimensional atmosphere protection, each air blowing component 3 is provided with a plurality of micro air outlets 321, the micro air outlets 321 ensure that air is uniformly and mildly discharged, and an atmosphere protection environment is created in the atmosphere protection box 1; the top of the atmosphere protection box 1 is open and is in a semi-open type.
Placing the substrate on the water cooling assembly 2, clamping the substrate by using a clamping part 23, and connecting a cooling water pipe into the water cooling assembly 2; after the inert gas is connected into the shower type blowing component 3, the inert gas uniformly enters the atmosphere protection box 1 through the micro air outlet 321, and the atmosphere protection environment can be created in a short time. After the atmosphere protecting box 1 is filled with inert gas, the cooling water switch is turned on, so that laser cladding can be carried out on the substrate, the air flow of the blowing assembly 3 can be reduced or closed according to experiment requirements, the atmosphere protecting effect in the experiment process can be ensured by the atmosphere protecting box 1, and the obtained coating performance is more excellent under the combined action of atmosphere protection and water cooling.
The utility model discloses further set up to: the supporting legs 13 at the bottom of the atmosphere protection box 1 are provided with water-cooling assembly fixing holes 12, fixing threaded holes 214 in the water-cooling base 21 of the water-cooling assembly 2, and screws penetrate through the water-cooling assembly fixing holes 12 and the fixing threaded holes 214 to fix the water-cooling assembly 2 on the atmosphere protection box 1.
The inert gas overflows from bottom to top, a good atmosphere protection area can be created at the bottom, the use of a laser is not influenced by the semi-open design, and the laser head can be moved to any position on the surface of the experimental substrate.
The utility model discloses further set up to: the clamping member 23 comprises a clamping plate 232, the clamping plate 232 is arranged on a bolt 233 in a penetrating mode, the bolt 233 is fixed on the water-cooling base 21, and a nut 231 is meshed with the bolt 233 on the upper side of the clamping plate 232.
The utility model discloses further set up to: the blowing assembly 3 comprises a blowing head 31 and a blowing head cover 32, and the central axes of two adjacent blowing assemblies 3 form an angle of 30 degrees.
The utility model discloses further set up to: the blowhead 31 further comprises an air inlet 312 and an air diversion baffle 311, and the protective air can be directly introduced into the air inlet 312.
The utility model discloses further set up to: the blowing head cover 32 is provided with a micro air outlet 321, and a sealing ring 322 is arranged between the blowing head cover 32 and the blowing head 31.
To sum up, the utility model discloses following beneficial effect has:
1. the plurality of blowing assemblies simultaneously blow gas into the atmosphere protection box, so that an environment protected by inert gas can be created in a short time, the atmosphere protection environment can be maintained for a period of time after blowing is stopped, the operation is simple, the atmosphere protection effect is good, and the laser cladding device is very suitable for laser cladding;
2. the design of the direct contact type water cooling assembly has the advantages that the application range is wide, the water cooling effect is good, the water cooling component is provided with a clamping component, an additional clamp is not needed, the use is convenient, the laser cladding organization structure can be effectively improved, and the deformation of the thin substrate is inhibited;
3. the water cooling assembly and the air blowing assembly are mutually fused in the box body, play a role together and can be independently used, and the water cooling assembly and the air blowing assembly can be automatically switched on and off according to different requirements, so that the wide applicability of the device is reflected again.
Drawings
Fig. 1 is a schematic view of the overall assembly structure of the present invention
FIG. 2 is a schematic view of the structure of the atmosphere protection box of the present invention
Fig. 3 the structure of the water cooling module of the present invention is schematically illustrated
Fig. 4 is a schematic view of the structure of the blowing assembly of the present invention
In the above figures: 1-atmosphere protection box; 11-fixing hole sites by using blowing assemblies; 12-fixing hole sites of the water cooling assemblies; 13-supporting feet; 2-a water-cooling component; 21-water-cooling the base; 211-water trough; 212-a water inlet; 213-a water outlet; 214-a fixed threaded hole; 22-rubber gasket; 23 clamping the component; 231-a nut; 232-clamping plate; 233-bolts; 3-a blowing assembly; 31-blowing head; 311-a splitter baffle; 322-an air inlet; 32-a blowing head cover; 321-micro air outlet holes; 322-sealing ring.
Detailed Description
The description is further described below in conjunction with the appended drawings.
A semi-open type atmosphere protection and water cooling device for laser cladding comprises an atmosphere protection box 1, a water cooling assembly 2 and a blowing assembly 3, wherein the atmosphere protection box 1 is fixed on an experiment table through a supporting leg 13; the water-cooling assembly 2 is fixed on the supporting legs 13 at the bottom of the atmosphere protection box 1 through fixing threaded holes 214 on the water-cooling base 21, a base plate for experiments is placed on the surface of the water-cooling base 21, and a plurality of water flow grooves 211 are formed in the water-cooling base 21 and used for rapidly cooling the base plate; it is a plurality of blowing component 3 be fan-shaped and be fixed in 1 both sides of atmosphere guard box, blowing component 3 is located 2 tops of water-cooling module, realizes all-round atmosphere protection, every blowing component 3 be equipped with a plurality of miniature ventholes 321, miniature venthole 321 guarantee to give vent to anger evenly and mildly, build atmosphere protective environment in atmosphere guard box 1.
By adopting the technical scheme, the components are independent from each other and convenient to install, after the installation is finished, the substrate is placed on the water cooling component 2, is clamped by the clamping part 23, and the cooling water pipe is connected into the water cooling component 2; after the inert gas is connected into the shower type blowing component 3, the inert gas uniformly enters the atmosphere protection box 1 through the micro air outlet 321, and the atmosphere protection environment can be created in a short time. After the atmosphere protecting box 1 is filled with inert gas, the cooling water switch is turned on, so that laser cladding can be carried out on the substrate, the air flow of the blowing assembly 3 can be reduced or closed according to experiment requirements, the atmosphere protecting effect in the experiment process can be ensured by the atmosphere protecting box 1, and the obtained coating performance is more excellent under the combined action of atmosphere protection and water cooling.
The supporting legs 13 at the bottom of the atmosphere protection box 1 are provided with water-cooling assembly fixing holes 12, fixing threaded holes 214 in the water-cooling base 21 of the water-cooling assembly 2, and screws penetrate through the water-cooling assembly fixing holes 12 and the fixing threaded holes 214 to fix the water-cooling assembly 2 on the atmosphere protection box 1. The top of the atmosphere protection box 1 is open and is in a semi-open type.
By adopting the technical scheme, the inert gas can overflow from bottom to top, a good atmosphere protection area can be created at the bottom, the semi-open design does not influence the use of a laser, and the laser head can be moved to any position on the surface of the experimental substrate.
The water cooling assembly 2 comprises a water cooling base 21 and a clamp 23, and a rubber gasket 22 is arranged on the water cooling base 21 around a water flow groove 211.
Through adopting above-mentioned technical scheme, water-cooling base 21 can make base plate and rivers direct contact, improves water-cooled effect, and clamping part 23 is used for fixed base plate, and rubber packing ring 22 guarantees base plate and water-cooling base 21 inseparable bonding, prevents to leak.
The water-cooled base 21 is provided with four water flow grooves 211, and two ends of each water flow groove 211 are respectively provided with a water inlet 212 and a water outlet 213.
Through adopting above-mentioned technical scheme, four rivers grooves 211 can improve cooling water flow efficiency to improved the cooling effect, four rivers grooves 211 are independent each other, can launch singly or launch a plurality ofly simultaneously, are applicable to the width from 25mm to 100 mm's base plate.
The clamping component 23 comprises a clamping plate 232, and the clamping plate 232 is limited and clamped by a bolt 233 and a nut 231.
The position of the clamping plate 232 is limited by the bolt 233 and the nut 231, the clamping effect on the substrate can be realized by screwing the nut 231, the clamping mode is simple to operate and convenient to disassemble, and the substrate can be repeatedly replaced.
The blowing assembly 3 comprises a blowing head 31 and a blowing head cover 32, and the central axes of two adjacent blowing assemblies 3 form an angle of 30 degrees.
Through adopting above-mentioned technical scheme, blow head lid 32 and the head of blowing 31 mutually independent, the production and the installation of being convenient for, the design installation of adjacent subassembly 3 of blowing is 30 jiaos, can guarantee that every subassembly 3 of blowing all faces the water-cooling module 2 in the atmosphere guard box 1 for base plate on the water-cooling module 2 receives better protection in testing.
The blowhead 31 further comprises an air inlet 312 and an air diversion baffle 311, and the protective air can be directly introduced into the air inlet 312.
By adopting the above technical scheme, the inert gas can be directly introduced into the gas inlet 312, and the inert gas is dispersed by the gas diversion baffle 311 and then uniformly enters the cavity of the blowing assembly 3.
The blowing head cover 32 is provided with a micro air outlet 321, and a sealing ring 322 is arranged between the blowing head cover 32 and the blowing head 31.
By adopting the technical scheme, the inert gas enters the atmosphere protection box 1 through the micro air outlet 321, the atmosphere protection box can be quickly filled with the inert gas due to the porous design, the air flow is more uniform and mild, and the sealing ring 322 between the blowing head cover 32 and the blowing head 31 ensures that the blowing assembly is not air-tight.
The method for using the device of the utility model comprises the following steps:
as shown in fig. 1-4, the semi-open type atmosphere protection and water cooling device for laser cladding comprises an atmosphere protection box, air blowing assemblies and a water cooling assembly, wherein supporting legs on the atmosphere protection box are fixed on a laboratory table, the six air blowing assemblies are fixed on two sides of the atmosphere protection box in a fan shape, and the water cooling assembly is placed in a notch of the atmosphere protection box and is fixed at the bottom of the atmosphere protection box through a fixing threaded hole;
unscrewing the nut, taking out the clamping plate, placing the prepared experimental substrate on a rubber gasket on the surface of the water-cooling base, putting back the clamping plate and screwing the nut, so that the substrate is fixed on the water-cooling assembly, and water leakage between the water-cooling base and the substrate is ensured;
respectively connecting a water inlet pipeline and a water outlet pipeline into a water inlet and a water outlet of the water-cooling base, and connecting inert gas into six gas inlets;
opening a cooling water switch and an inert gas valve, starting cooling water circulation, and uniformly introducing inert gas into the atmosphere protection box through a shower type blowing assembly to create an atmosphere protection environment in a short time;
after the atmosphere protection box is filled with inert gas, a laser cladding experiment can be carried out on the substrate, the laser head can carry out cladding on any position on the substrate, and the movement of the laser head is not limited and interfered by other parts. The air flow of the blowing assembly can be reduced or closed according to the experiment requirements in the cladding process, the atmosphere protection box can ensure the atmosphere protection effect in the experiment process, and the obtained coating has more excellent performance under the combined action of atmosphere protection and water cooling;
and a sealing ring is arranged between the blowing head cover and the blowing head, so that the blowing assembly is ensured to be airtight. The gas blowing head is also provided with a gas distribution baffle, the gas blowing head cover is provided with a large number of micro gas outlets, and inert gas can be uniformly filled into the atmosphere protection box from the micro gas outlets after being dispersed by the gas distribution baffle;
the water-cooling base is provided with a plurality of water flow grooves, and the two ends of each water flow groove are respectively provided with a water inlet and a water outlet. The plurality of water flow grooves can improve the flow efficiency of cooling water, so that the cooling effect is improved, and the plurality of water flow grooves are independent from each other, can be used singly or simultaneously, and are suitable for substrates with the width from 25mm to 100 mm.
And after the laser cladding experiment is finished, closing the inert gas valve, continuously cooling the water, and closing the cooling water after the substrate is completely cooled to achieve a better water cooling effect. And finally, unscrewing the nut, and taking down the substrate for later-stage research.
The utility model discloses can effectively refine the crystalline grain of laser cladding tissue, reduce matrix material's deformation to oxidation and impurity pollution at inert gas ability effective control cladding layer improve and clad a comprehensive properties
The embodiments described in this specification are merely illustrative of the embodiments of the present invention, and the scope of the present invention should not be considered limited to the specific embodiments described in the embodiments, and all the technical solutions belonging to the idea of the present invention belong to the scope of the present invention.
Claims (6)
1. The utility model provides a laser cladding is with semi-open atmosphere protection and water cooling plant which characterized in that: the device comprises an atmosphere protection box (1), a water cooling assembly (2) and a blowing assembly (3), wherein the atmosphere protection box (1) is fixed on an experiment table through supporting legs (13); the water-cooling assembly (2) is fixed at the bottom of the atmosphere protection box (1), the water-cooling assembly (2) comprises a water-cooling base (21) and a clamping part (23), a plurality of water flow grooves (211) for cooling the substrate are formed in the water-cooling base (21), a rubber gasket (22) is arranged on the water-cooling base (21) around the water flow grooves (211), and the clamping part (23) fixes the substrate for experiment on the water-cooling base (21); the blowing components (3) are positioned above the water cooling components (2), the blowing components (3) are fixed on two sides of the atmosphere protection box (1) in a fan shape, and each blowing component (3) is provided with a plurality of micro air outlets (321); the top of the atmosphere protection box (1) is open and is in a semi-open type.
2. The semi-open type atmosphere protection and water cooling device for laser cladding of claim 1, wherein: the clamping component (23) comprises a clamping plate (232), the clamping plate (232) is arranged on a bolt (233) in a penetrating mode, the bolt (233) is fixed on the water-cooling base (21), and a nut (231) is meshed with the bolt (233) on the upper side of the clamping plate (232).
3. The semi-open type atmosphere protection and water cooling device for laser cladding of claim 1, wherein: the air blowing assembly (3) comprises an air blowing head (31) and an air blowing head cover (32), and the central axes of the two adjacent air blowing assemblies (3) form an angle of 30 degrees.
4. The semi-open type atmosphere protection and water cooling device for laser cladding of claim 3, wherein: the blowing head (31) further comprises an air inlet (312) and an air diversion baffle (311), and protective air is introduced into the air inlet (312).
5. The semi-open type atmosphere protection and water cooling device for laser cladding of claim 3, wherein: the blowing head cover (32) is provided with a plurality of micro air outlets (321), and a sealing ring (322) is arranged between the blowing head cover (32) and the blowing head (31).
6. The semi-open type atmosphere protection and water cooling device for laser cladding of claim 1, wherein: the atmosphere protection box is characterized in that a water-cooling assembly fixing hole (12) is formed in a supporting leg (13) at the bottom of the atmosphere protection box (1), a fixing threaded hole (214) in a water-cooling base (21) of the water-cooling assembly (2), and a screw penetrates through the water-cooling assembly fixing hole (12) and the fixing threaded hole (214) to fix the water-cooling assembly (2) on the atmosphere protection box (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920866059.7U CN210367905U (en) | 2019-06-11 | 2019-06-11 | Semi-open type atmosphere protection and water cooling device for laser cladding |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920866059.7U CN210367905U (en) | 2019-06-11 | 2019-06-11 | Semi-open type atmosphere protection and water cooling device for laser cladding |
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| CN210367905U true CN210367905U (en) | 2020-04-21 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110158080A (en) * | 2019-06-11 | 2019-08-23 | 浙江工业大学 | A kind of laser melting coating semi open model atmosphere protection and water cooling plant |
| CN113245564A (en) * | 2021-06-11 | 2021-08-13 | 季华实验室 | Local inert gas protection system |
| CN113560713A (en) * | 2021-07-20 | 2021-10-29 | 扬州镭奔激光科技有限公司 | Protection tool for forming laser forging process by combining laser cladding and laser impact |
-
2019
- 2019-06-11 CN CN201920866059.7U patent/CN210367905U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110158080A (en) * | 2019-06-11 | 2019-08-23 | 浙江工业大学 | A kind of laser melting coating semi open model atmosphere protection and water cooling plant |
| CN113245564A (en) * | 2021-06-11 | 2021-08-13 | 季华实验室 | Local inert gas protection system |
| CN113245564B (en) * | 2021-06-11 | 2021-10-12 | 季华实验室 | Local inert gas protection system |
| CN113560713A (en) * | 2021-07-20 | 2021-10-29 | 扬州镭奔激光科技有限公司 | Protection tool for forming laser forging process by combining laser cladding and laser impact |
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