CN110899884A - Novel brazing process for machining high-power laser seat structure - Google Patents
Novel brazing process for machining high-power laser seat structure Download PDFInfo
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- CN110899884A CN110899884A CN201911240297.8A CN201911240297A CN110899884A CN 110899884 A CN110899884 A CN 110899884A CN 201911240297 A CN201911240297 A CN 201911240297A CN 110899884 A CN110899884 A CN 110899884A
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- Prior art keywords
- power laser
- laser seat
- brazing
- plate
- processing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/008—Soldering within a furnace
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/20—Preliminary treatment of work or areas to be soldered, e.g. in respect of a galvanic coating
- B23K1/206—Cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
- B23K3/08—Auxiliary devices therefor
- B23K3/085—Cooling, heat sink or heat shielding means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
- B23K3/08—Auxiliary devices therefor
- B23K3/087—Soldering or brazing jigs, fixtures or clamping means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Laser Beam Processing (AREA)
Abstract
The invention discloses a novel brazing process for processing a high-power laser seat structure, which comprises the following specific steps: s1: split machining of the high-power laser seat; s2: processing a cooling water tank; s3: performing brazing pretreatment; s4: processing a brazing material; s5: positioning and fixing; s6: and brazing, namely placing the high-power laser seat upper plate, the brazing material and the high-power laser seat lower plate which are positioned by using the special fixture into a vacuum brazing furnace for brazing treatment to finish the brazing processing of the high-power laser seat. According to the novel innovative process for improving the global high-power laser seat structure, the cooling water tank is designed inside the laser seat, so that the use area of the mounting surface in the high-power laser seat is increased, and more components can be mounted in the high-power laser seat in the design process of a high-power laser product; through the novel innovative brazing process, the structure of the product is simplified, and the assembly process is reduced.
Description
Technical Field
The invention relates to the technical field of laser seat processing, in particular to a novel brazing process for processing a high-power laser seat structure.
Background
The development of global high-power laser products is limited by the influence that a laser seat of the high-power laser products is not provided with a perfect cooling structure at present, the cooling structure of the high-power laser seat still adopts a structure that a cooling water pipe is designed on the inner mounting surface of the high-power laser seat, the structure of the high-power laser seat is fixed by more than 60 fixing screws during mounting, and the cooling water pipe occupies the use area of the inner mounting surface of the high-power laser seat, so that the mounting of more useful components is reduced, and the high-power laser products cannot be further developed in the prior art. In the aspect of service life, the influence of the service life of the O-shaped sealing ring is limited, and the risk of water leakage exists in the use process.
Disclosure of Invention
The invention aims to provide a novel brazing process for processing a high-power laser seat structure, which comprises the following specific steps:
s1: the split processing of the high-power laser seat comprises the steps of dividing the high-power laser seat into an upper high-power laser seat plate and a lower high-power laser seat plate for processing, roughly processing the upper high-power laser seat plate and the lower high-power laser seat plate for processing into required sizes for later use;
s2: processing a cooling water tank, wherein the cooling water tank is arranged on the lower plate of the high-power laser seat, and the lower plate of the high-power laser seat is subjected to numerical control processing to obtain the cooling water tank with the size of a finished product for later use;
s3: performing brazing pretreatment, namely polishing the surfaces of an upper high-power laser seat plate and a lower high-power laser seat plate to be brazed to remove an oxide layer and oil stains, and cleaning the surfaces of the upper high-power laser seat plate and the lower high-power laser seat plate to be brazed for later use;
s4: processing a brazing material, namely processing and cutting the brazing material according to the surface sizes of an upper high-power laser seat plate and a lower high-power laser seat plate to be brazed, wherein the size of the brazing material is the same as the surface sizes of the upper high-power laser seat plate and the lower high-power laser seat plate;
s5: positioning and fixing, namely arranging the high-power laser seat upper plate, the brazing material and the high-power laser seat lower plate in sequence from top to bottom, and positioning and fixing by adopting a special fixture; (ii) a
S6: and brazing, namely placing the high-power laser seat upper plate, the brazing material and the high-power laser seat lower plate which are positioned by using the special fixture into a vacuum brazing furnace for brazing treatment to finish the brazing processing of the high-power laser seat.
Preferably, the exhaust holes are designed in advance according to the structural requirements of the product on the high-power laser seat upper plate and the high-power laser seat lower plate in the rough machining state.
Preferably, the brazing material is selected according to the raw material of the product.
Preferably, positioning pins and positioning holes need to be respectively machined on the high-power laser seat upper plate and the high-power laser seat lower plate during rough machining.
Preferably, the brazed workpiece is polished by using 80-mesh abrasive paper in advance, a surface oxide layer is polished and removed, and then the brazed workpiece is polished by using 150-mesh abrasive paper, so that the roughness of the brazed surface is reduced.
Preferably, the brazed workpiece is polished to remove an oxide layer and then is degreased, the workpiece polished to remove the oxide layer is put into a 5-8% sodium hydroxide solution for soaking, the temperature of the sodium hydroxide solution is 45-65 ℃, the soaking time is 20-30 minutes, and the workpiece is taken out and washed by clean tap water to dry the surface moisture.
Compared with the prior art, the invention has the beneficial effects that: according to the novel innovative process for improving the global high-power laser seat structure, the cooling water tank is designed inside the laser seat, so that the use area of the mounting surface in the high-power laser seat is increased, and more components can be mounted in the high-power laser seat in the design process of a high-power laser product; the novel innovative brazing process is adopted, so that the structure of the product is simplified, and the assembly process is reduced; through neotype innovation brazing process, cancelled original condenser tube design, effectively avoided revealing the life who causes because of the product low to greatly increased the life of product, reduced simultaneously and revealed the risk.
Drawings
FIG. 1 is a prior art process construction drawing of an old-fashioned medium and high power laser mount of the present invention;
FIG. 2 is a process construction diagram of a high-power laser seat in the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in figure 1, the existing processing technology of the high-power laser seat comprises a laser base, a radiating pipe and a radiating pipe pressing plate, wherein during processing, the radiating pipe is placed on the inner surface of the high-power laser seat and sealed by a special-shaped O-shaped sealing ring, and then the radiating pipe pressing plate is pressed down and fixed by 60 fixing screws.
The prior art of the high-power laser seat has the following defects: 1. the fixation is performed using an excessive number of screws. 2. The special-shaped sealing ring is difficult to process and easy to age to generate water leakage. 3. The space of the mounting surface in the laser seat is occupied by the radiating pipe, so that excessive mounting area of the inner surface of the laser seat is wasted.
Example 1
As shown in fig. 1-2, the novel brazing process for machining the high-power laser seat structure comprises the following specific steps:
s1: the split processing of the high-power laser seat comprises the steps of dividing the high-power laser seat into an upper high-power laser seat plate and a lower high-power laser seat plate for processing, roughly processing the upper high-power laser seat plate and the lower high-power laser seat plate for processing into required sizes for later use;
s2: processing a cooling water tank, wherein the cooling water tank is arranged on the lower plate of the high-power laser seat, and the lower plate of the high-power laser seat is subjected to numerical control processing to obtain the cooling water tank with the size of a finished product for later use;
s3: performing brazing pretreatment, namely polishing the surfaces of an upper high-power laser seat plate and a lower high-power laser seat plate to be brazed to remove an oxide layer and oil stains, and cleaning the surfaces of the upper high-power laser seat plate and the lower high-power laser seat plate to be brazed for later use;
s4: processing a brazing material, namely processing and cutting the brazing material according to the surface sizes of an upper high-power laser seat plate and a lower high-power laser seat plate to be brazed, wherein the size of the brazing material is the same as the surface sizes of the upper high-power laser seat plate and the lower high-power laser seat plate;
s5: positioning and fixing, namely arranging the high-power laser seat upper plate, the brazing material and the high-power laser seat lower plate in sequence from top to bottom, and positioning and fixing by adopting a special fixture; (ii) a
S6: and brazing, namely placing the high-power laser seat upper plate, the brazing material and the high-power laser seat lower plate which are positioned by using the special fixture into a vacuum brazing furnace for brazing treatment to finish the brazing processing of the high-power laser seat.
And the exhaust holes are designed in advance according to the structure requirements of the product on the high-power laser seat upper plate and the high-power laser seat lower plate in the rough machining state. The choice of brazing material should be selected according to the raw material of the product. And positioning pins and positioning holes are required to be respectively processed on the upper plate of the high-power laser seat and the lower plate of the high-power laser seat during rough machining.
And (3) polishing the brazed workpiece, polishing by using 80-mesh abrasive paper in advance, polishing and removing a surface oxide layer, and polishing by using 150-mesh abrasive paper to reduce the roughness of the brazed surface.
Polishing the brazed workpiece to remove the oxide layer, degreasing, soaking the polished workpiece with the oxide layer removed in 5-8% sodium hydroxide solution at 45-65 deg.C for 20-30 min, taking out, washing with clean tap water, and drying to remove surface water.
According to the novel innovative process for improving the global high-power laser seat structure, the cooling water tank is designed inside the laser seat, so that the use area of the mounting surface in the high-power laser seat is increased, and more components can be mounted in the high-power laser seat in the design process of a high-power laser product; the novel innovative brazing process is adopted, so that the structure of the product is simplified, and the assembly process is reduced; through neotype innovation brazing process, cancelled original condenser tube design, effectively avoided revealing the life who causes because of the product low to greatly increased the life of product, reduced simultaneously and revealed the risk.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. A novel brazing process for machining a high-power laser seat structure is characterized by comprising the following steps of: the novel brazing process for machining the high-power laser seat structure comprises the following specific steps:
s1: the split processing of the high-power laser seat comprises the steps of dividing the high-power laser seat into an upper high-power laser seat plate and a lower high-power laser seat plate for processing, roughly processing the upper high-power laser seat plate and the lower high-power laser seat plate for processing into required sizes for later use;
s2: processing a cooling water tank, wherein the cooling water tank is arranged on the lower plate of the high-power laser seat, and the lower plate of the high-power laser seat is subjected to numerical control processing to obtain the cooling water tank with the size of a finished product for later use;
s3: performing brazing pretreatment, namely polishing the surfaces of an upper high-power laser seat plate and a lower high-power laser seat plate to be brazed to remove an oxide layer and oil stains, and cleaning the surfaces of the upper high-power laser seat plate and the lower high-power laser seat plate to be brazed for later use;
s4: processing a brazing material, namely processing and cutting the brazing material according to the surface sizes of an upper high-power laser seat plate and a lower high-power laser seat plate to be brazed, wherein the size of the brazing material is the same as the surface sizes of the upper high-power laser seat plate and the lower high-power laser seat plate;
s5: positioning and fixing, namely arranging the high-power laser seat upper plate, the brazing material and the high-power laser seat lower plate in sequence from top to bottom, and positioning and fixing by adopting a special fixture;
s6: and brazing, namely placing the high-power laser seat upper plate, the brazing material and the high-power laser seat lower plate which are positioned by using the special fixture into a vacuum brazing furnace for brazing treatment to finish the brazing processing of the high-power laser seat.
2. The novel brazing process for machining a high-power laser seat structure as claimed in claim 1, wherein: and the exhaust holes are designed in advance according to the structure requirements of the product on the high-power laser seat upper plate and the high-power laser seat lower plate in the rough machining state.
3. The novel brazing process for machining a high-power laser seat structure as claimed in claim 1, wherein: the choice of brazing material should be selected according to the raw material of the product.
4. The novel brazing process for machining a high-power laser seat structure as claimed in claim 1, wherein: and positioning pins and positioning holes are required to be respectively processed on the upper plate of the high-power laser seat and the lower plate of the high-power laser seat during rough machining.
5. The novel brazing process for machining a high-power laser seat structure as claimed in claim 1, wherein: and (3) polishing the brazed workpiece, polishing by using 80-mesh abrasive paper in advance, polishing and removing a surface oxide layer, and polishing by using 150-mesh abrasive paper to reduce the roughness of the brazed surface.
6. The novel brazing process for machining a high-power laser seat structure as claimed in claim 1, wherein: polishing the brazed workpiece to remove the oxide layer, degreasing, soaking the polished workpiece with the oxide layer removed in 5-8% sodium hydroxide solution at 45-65 deg.C for 20-30 min, taking out, washing with clean tap water, and drying to remove surface water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911240297.8A CN110899884A (en) | 2019-12-06 | 2019-12-06 | Novel brazing process for machining high-power laser seat structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911240297.8A CN110899884A (en) | 2019-12-06 | 2019-12-06 | Novel brazing process for machining high-power laser seat structure |
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| CN110899884A true CN110899884A (en) | 2020-03-24 |
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| CN201911240297.8A Pending CN110899884A (en) | 2019-12-06 | 2019-12-06 | Novel brazing process for machining high-power laser seat structure |
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Application publication date: 20200324 |