CN114082591B - Diamond brazing tape preparation device and preparation method and brazing tape - Google Patents
Diamond brazing tape preparation device and preparation method and brazing tape Download PDFInfo
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- CN114082591B CN114082591B CN202210019022.7A CN202210019022A CN114082591B CN 114082591 B CN114082591 B CN 114082591B CN 202210019022 A CN202210019022 A CN 202210019022A CN 114082591 B CN114082591 B CN 114082591B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
- B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
- B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
- B05C1/0826—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line the work being a web or sheets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
- B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
- B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
- B05C1/086—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line a pool of coating material being formed between a roller, e.g. a dosing roller and an element cooperating therewith
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
- B05D3/0254—After-treatment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/14—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/24—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C5/00—Alloys based on noble metals
- C22C5/06—Alloys based on silver
- C22C5/08—Alloys based on silver with copper as the next major constituent
Abstract
The invention provides a diamond brazing tape preparation device, a preparation method and a brazing tape; the preparation device comprises: the device comprises a first conveying device and a second conveying device, wherein the brazing material belt moves from the first conveying device to the second conveying device; the first conveying device comprises a first roller and a second roller which are oppositely arranged, and the second conveying device comprises a third roller and a fourth roller which are oppositely arranged; the first roller and the second roller clamp the brazing material belt, and the third roller and the fourth roller clamp the brazing material belt; a heating device is arranged between the first conveying device and the second conveying device and used for heating the brazing material belt; the first conveying device is provided with a storage device for storing the coating, and the lower edge of a second roller of the first conveying device is below the liquid level of the coating; wherein the coating comprises diamond and a binder. The invention mechanically inlays the diamond into the brazing alloy by extrusion, has low binder content of the brazing coating tape, can be directly used, and is convenient and rapid.
Description
Technical Field
The invention relates to the technical field of brazing equipment and brazing methods, in particular to a device and a method for preparing a diamond brazing tape and the diamond brazing tape.
Background
The brazing coating technology is an important material surface modification technology, a low-melting-point brazing filler metal and a high-melting-point hard alloy or ceramic form a composite coating through heating, the coating has the unique advantages of smooth surface, high construction precision, simple processing procedure, high bonding strength, low heating temperature, small thermal stress and the like, the surface of a substrate after brazing is high in wear resistance, corrosion resistance and high temperature resistance, and the brazing coating is widely applied to the fields of water conservancy machinery, aerospace, agricultural machinery, oil drilling and the like.
For diamond brazing coating, the prior brazing coating material is mainly prepared into paste by mixing diamond particles and brazing filler metal and then coated on the surface of a workpiece to be brazed. And then heating to finish the braze coating process.
However, the paste brazing filler metal is not only required to be manually mixed to prepare paste, which is time-consuming, labor-consuming and labor-consuming, and increases labor cost, but also is difficult to uniformly coat during manual coating of the paste brazing filler metal, so that the coating thickness is inconsistent. At present, brazing solder and a strengthening phase are bonded together by an organic binder to prepare a brazing coating tape, the brazing coating tape needs to be kept warm for a long time at the binder burning loss temperature in the brazing coating process, and the brazing coating is carried out after the binder is completely burnt. If the residual binder exists, the brazing compactness is reduced, the wear resistance of the coating is reduced, and the like.
The present invention has been made to solve the above problems.
Disclosure of Invention
The invention aims to provide a device for preparing a diamond brazing tape, which is used for extruding diamonds and mechanically embedding the diamonds into a brazing alloy tape, so that the prepared diamond brazing tape is uniform in coating, low in binder content and capable of being directly used, and the production efficiency is improved.
The technical scheme provided by the invention is as follows:
in one aspect, the present invention provides a diamond braze tape manufacturing apparatus, the apparatus comprising: the device comprises a first conveying device and a second conveying device, wherein the brazing material belt moves from the first conveying device to the second conveying device; the first conveying device comprises a first roller and a second roller which are oppositely arranged, and the second conveying device comprises a third roller and a fourth roller which are oppositely arranged; the first roller and the second roller clamp the brazing material belt, and the third roller and the fourth roller clamp the brazing material belt; a heating device is arranged between the first conveying device and the second conveying device and used for heating the brazing material belt; the first conveying device is provided with a storage device for storing the coating, and the lower edge of a second roller of the first conveying device is below the liquid level of the coating; wherein the coating comprises diamond and a binder. In one embodiment, the gap between the first roller and the second roller is 0.1-0.6 mm; the gap between the third roller and the fourth roller is 0.1-0.5 mm; the linear speed of the four rollers is 0.5-2 m/s.
In one embodiment, the heating device is an electromagnetic induction heating coil through which the solder ribbon passes.
In one embodiment, the thickness of the brazing filler metal strip is 0.1-0.3 mm.
In another aspect, the present invention provides a method for producing a diamond braze tape, comprising producing using a diamond braze tape production apparatus.
In one embodiment, the solder strip is clamped between the first roller and the second roller, and the coating in the storage device is adhered to the solder strip by the second roller; the brazing material belt moves along the direction from the first conveying device to the second conveying device, is heated by the heating device and then moves to a position between the third roller and the fourth roller, and at the moment, the coating is pressed into the brazing material belt; wherein the coating comprises diamond and a binder. In one embodiment, the solder strip is a solder alloy strip; preferably, the solder alloy strip comprises a silver copper titanium alloy solder strip.
In one embodiment, the brazing filler metal strip is a silver-copper-titanium alloy brazing filler metal strip, and comprises the following components in parts by mass: 55 to 74 parts by mass of silver; 25 to 43 parts by mass of copper; 2 to 4 parts by mass of titanium.
In one embodiment, the diamond is a titanium-plated diamond; more preferably, the diamond has a particle size of 100 to 300 mesh. The titanium-plated diamond further improves the bonding force between the diamond and the solder alloy strip, and the diamond is not easy to fall off in the storage and transportation process.
The device of the invention is particularly suitable for diamond surface braze coating.
In one embodiment, the temperature of the solder ribbon after heating is 450 to 500 ℃.
In one embodiment, the mass proportion of the diamond in the coating is 70-85%. Preferably, the binder comprises polyvinyl alcohol.
In another aspect, the present invention provides a diamond braze-coated tape produced using the aforementioned diamond braze-coated tape production apparatus or the aforementioned production method. The diamond particles of the brazing tape obtained by the method are embedded into the brazing alloy, and the brazing tape is made of diamond serving as reinforcing particles.
Has the advantages that:
(1) the device has simple structure and convenient use, and can automatically coat;
(2) the device and the method can realize that the diamond-containing coating is uniformly coated on the surface of the brazing alloy, and the diamond particles are embedded in the brazing alloy, so that the content of the binder is low, the time for sintering the binder in the subsequent use process can be shortened, and the use efficiency is improved;
(3) the diamond brazing coating tape prepared by the invention has low organic content of the binder and is mechanically embedded in the brazing alloy, so that the binder burning process can be carried out before use, and the long-time heat preservation at the binder burning loss temperature in the brazing coating process of the traditional method is avoided;
(4) the diamond particles and the brazing alloy band have strong binding force and are not easy to fall off.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic view of an apparatus of the present invention provided by an embodiment of the present invention;
the labels in the figure are: 1-a first roller, 2-a second roller, 3-coating, 4-a storage device, 5-a heating device, 6-a third roller, 7-a fourth roller and 8-a brazing material belt.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. The terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
For diamond brazing coating, the prior brazing coating material is mainly prepared into paste by mixing diamond particles and brazing filler metal and then coated on the surface of a workpiece to be brazed. And then heating to finish the braze coating process. However, the paste brazing filler metal is not only required to be manually mixed to prepare paste, which is time-consuming, labor-consuming and labor-consuming, and increases labor cost, but also is difficult to uniformly coat during manual coating of the paste brazing filler metal, so that the coating thickness is inconsistent. The existing brazing coating tape is generally prepared by bonding brazing filler metal and a strengthening phase together by using an organic binder, long-time heat preservation is needed at the binder burning temperature in the brazing coating process, and the brazing coating is carried out after the binder is completely burnt. If the residual binder exists, the brazing compactness is reduced, the wear resistance of the coating is reduced and the like.
In view of the above problems, an embodiment of the present invention provides a diamond braze coating tape manufacturing apparatus, referring to fig. 1, the manufacturing apparatus including: a first conveyor and a second conveyor, the solder strip 8 moving from the first conveyor in the direction of the second conveyor;
the first conveying device comprises a first roller 1 and a second roller 2 which are oppositely arranged, and the second conveying device comprises a third roller 6 and a fourth roller 7 which are oppositely arranged; the first roller 1 and the second roller 2 clamp a brazing material belt 8, and the third roller 6 and the fourth roller 7 clamp the brazing material belt 8;
at least one heating device 5 is arranged between the first conveying device and the second conveying device and used for heating the brazing filler metal strip 8;
the first conveying device is provided with a storage device 4 for storing the coating 3, and the lower edge of the second roller 2 of the first conveying device is below the liquid level of the coating 3; wherein the coating comprises diamond and a binder.
In this embodiment, the preparation device comprises a first conveyor for applying the coating 3 onto the strip of brazing material 8 and a second conveyor for pressing the coating 3 into the strip of brazing material 8.
Specifically, the first conveying device comprises a first roller 1 and a second roller 2 which are arranged oppositely, and a certain gap is reserved between the first roller 1 and the second roller for clamping a brazing filler metal strip 8; further, the first conveying device further comprises a storage device 4, and the storage device 4 is used for storing the coating 3. It is noted that the lower edge of the second roller 2 is below the liquid level of the coating material 3, so that the coating material 3 adheres to the second roller 2 and is carried to the solder coating tape 8 with the rotation of the second roller 2.
The second conveying device comprises a third roller 6 and a fourth roller 7 which are arranged oppositely, a certain gap is reserved between the third roller and the fourth roller, and the third roller and the fourth roller are used for clamping a brazing filler metal strip 8 and pressing the coating 3 into the brazing filler metal strip 8.
In some embodiments of the present embodiment, the first roller 1, the second roller 2, the third roller 6, and the fourth roller 7 are preferably rubber rollers.
Further, in this embodiment, a heating device 5 is provided between the first and second conveyors for heating the solder strip 8.
In the embodiment, the brazing filler metal strip 8 is heated by the heating device 5 to be softened, and the diamonds are pressed into the brazing filler metal strip 8 by the third roller 6 and the fourth roller 7 and are matched with the binder, so that the diamonds and the brazing filler metal strip 8 are combined more tightly.
Further, the gap between the first roller 1 and the second roller 2 is 0.1-0.6 mm, and the gap between the third roller 6 and the fourth roller 7 is 0.1-0.5 mm; the linear speed of the first roller, the second roller, the third roller and the fourth roller is 0.5-2 m/s.
In the present embodiment, the spacing between two oppositely arranged rollers and the thickness of the solder strip 8 are adapted, which spacing can be adjusted for different thicknesses.
Further, the heating device 5 is an electromagnetic induction heating coil, and the brazing filler metal strip 8 penetrates through the electromagnetic induction heating coil.
In the embodiment, the induction heating coil is preferred, the heating temperature is controllable, the temperature rise is fast, the production efficiency is high, and the energy conservation and the environmental protection are realized.
Furthermore, the thickness of brazing filler metal strip is 0.1-0.3 mm.
On the other hand, the embodiment of the invention also provides a preparation method of the diamond brazing tape, which is prepared by using the preparation device and comprises the following steps:
the brazing filler metal strip 8 is clamped between the first roller 1 and the second roller 2, and the coating 3 in the storage device 4 is driven by the second roller 2 to be adhered to the brazing filler metal strip 8;
the brazing filler metal strip 8 moves along the direction from the first conveying device to the second conveying device, is heated by the heating device and then moves to a position between the third roller 6 and the fourth roller 7, and the coating 3 is pressed into the brazing filler metal strip 8;
wherein the coating 3 comprises diamond and a binder.
Further, the brazing alloy strip is a brazing alloy strip; the brazing alloy strip comprises a silver-copper-titanium alloy brazing strip; the silver-copper-titanium alloy solder strip comprises the following components in parts by mass: 55 to 74 parts by mass of silver; 25 to 43 parts by mass of copper; 2 to 4 parts by mass of titanium.
Further, the temperature of the solder strip 8 after heating is 450-500 ℃.
Further, the diamond is a diamond with a titanium-plated surface; the granularity of the diamond is 100-300 meshes.
In the embodiment, the surface of the diamond is preferably plated with titanium, and the titanium layer wraps the diamond to enhance the bonding force between the diamond and the solder tape; meanwhile, the granularity of the diamond is preferably 100-300 meshes, so that the influence on the bonding force between the diamond and the brazing material belt or the strength of the brazing coating belt due to overlarge or undersize granularity is avoided.
Further, the mass ratio of the diamond in the coating 3 is 70-85%.
In the embodiment, the mass ratio of diamond as a reinforcing material in the coating is not too small, and the mass ratio of diamond is set to be 70-85% in order to ensure that the binder can effectively bond the diamond and the brazing filler metal.
On the other hand, the embodiment of the invention also provides a braze-coating tape prepared by the preparation device; or prepared by the preparation method.
Example 1
The embodiment provides a preparation method of a diamond brazing tape, which comprises the following steps:
s10: the diamond and the binder were mixed thoroughly to obtain a coating, and the coating was placed in a storage device. Wherein, the diamond with titanium plated surface is selected as the diamond, and the granularity is 100 meshes; the binder is polyvinyl alcohol. 70 parts by mass of diamond and 30 parts by mass of coating.
S20: and placing the brazing filler metal strip between the first roller and the second roller, and penetrating the brazing filler metal strip from the middle of the third roller and the fourth roller, wherein an electromagnetic induction heating coil is placed between the two groups of rollers.
The brazing filler metal strip is a silver-copper-titanium alloy brazing filler metal strip which comprises the following components in percentage by mass: 55 percent; cu: 42%; ti: 3 percent; the thickness of the brazing alloy strip is 0.1 mm.
The gap between the first roller and the second roller is 0.1 mm; the clearance between the third roller and the fourth roller is 0.1 mm.
S30: the second roller rotates at the linear speed of 0.5 m/s; the coating in the belt storage container is attached to the brazing coating belt; after being heated by the induction heating coil, the brazing filler metal strip becomes soft, the softened brazing filler metal strip passes through the third roller and the fourth roller, and the diamond is pressed into the brazing filler metal strip; meanwhile, the temperature of the brazing filler metal strip is reduced, and the diamond is mechanically embedded into the brazing filler metal strip to prepare the brazing coating strip taking the diamond as the reinforcing particles.
Example 2
The embodiment provides a preparation method of a diamond brazing tape, which comprises the following steps:
s10: the diamond and the binder were mixed thoroughly to obtain a coating, and the coating was placed in a storage device. Wherein, the diamond with titanium plated surface is selected as the diamond, and the granularity is 200 meshes; the binder is polyvinyl alcohol. 80 parts by mass of diamond and 20 parts by mass of coating.
S20: and placing the brazing filler metal strip between the first roller and the second roller, and penetrating the brazing filler metal strip from the middle of the third roller and the fourth roller, wherein an electromagnetic induction heating coil is placed between the two groups of rollers.
The brazing filler metal strip is a silver-copper-titanium alloy brazing filler metal strip which comprises the following components in percentage by mass: 65 percent; cu: 38 percent; ti: 2 percent; the thickness of the solder alloy strip is 0.2 mm.
The gap between the first roller and the second roller is 0.3 mm; the clearance between the third roller and the fourth roller is 0.3 mm.
S30: the second roller rotates at the linear speed of 1 m/s; the coating in the belt storage container is attached to the brazing coating belt; after being heated by the induction heating coil, the brazing filler metal strip becomes soft, the softened brazing filler metal strip passes through the third roller and the fourth roller, and the diamond is pressed into the brazing filler metal strip; meanwhile, the temperature of the brazing filler metal strip is reduced, and the diamond is mechanically embedded into the brazing filler metal strip, so that the diamond serving as the brazing coating strip of the reinforced particles is prepared.
Example 3
The embodiment provides a preparation method of a diamond brazing tape, which comprises the following steps:
s10: the diamond and the binder were mixed thoroughly to obtain a coating, and the coating was placed in a storage device. Wherein, the diamond with titanium plated surface is selected as the diamond, and the granularity is 300 meshes; the binder is polyvinyl alcohol. 85 parts by mass of diamond and 15 parts by mass of coating.
S20: and placing the brazing filler metal strip between the first roller and the second roller, and penetrating the brazing filler metal strip from the middle of the third roller and the fourth roller, wherein an electromagnetic induction heating coil is placed between the two groups of rollers.
The brazing filler metal strip is a silver-copper-titanium alloy brazing filler metal strip which comprises the following components in percentage by mass: 74 percent; cu: 22 percent; ti: 4 percent; the thickness of the brazing alloy strip is 0.3 mm.
The gap between the first roller and the second roller is 0.5 mm; the clearance between the third roller and the fourth roller is 0.5 mm.
S30: the second roller rotates at the linear speed of 2 m/s; the coating in the belt storage container is attached to the brazing coating belt; after being heated by the induction heating coil, the brazing filler metal strip becomes soft, the softened brazing filler metal strip passes through the third roller and the fourth roller, and the diamond is pressed into the brazing filler metal strip; meanwhile, the temperature of the brazing filler metal strip is reduced, and the diamond is mechanically embedded into the brazing filler metal strip to prepare the brazing coating strip taking the diamond as the reinforcing particles.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A diamond brazing tape manufacturing apparatus, characterized by comprising: a first and a second conveyor, from which the solder strip (8) is moved in the direction of the second conveyor;
the first conveying device comprises a first roller (1) and a second roller (2) which are oppositely arranged, and the second conveying device comprises a third roller (6) and a fourth roller (7) which are oppositely arranged; the first roller (1) and the second roller (2) clamp the brazing material belt (8), and the third roller (6) and the fourth roller (7) clamp the brazing material belt (8);
at least one heating device (5) is arranged between the first conveying device and the second conveying device and used for heating the brazing material belt (8);
the first conveying device is provided with a storage device (4) for storing the coating (3), and the lower edge of the second roller (2) of the first conveying device is below the liquid level of the coating (3); wherein the coating comprises diamond and a binder.
2. The diamond-coated tape manufacturing apparatus according to claim 1, wherein a gap between the first roller (1) and the second roller (2) is 0.1 to 0.6 mm, and a gap between the third roller (6) and the fourth roller (7) is 0.1 to 0.5 mm;
the linear speed of the first roller, the second roller, the third roller and the fourth roller is 0.5-2 m/s.
3. The diamond braze tape production apparatus according to claim 1, wherein said heating means (5) is an electromagnetic induction heating coil through which said braze tape passes.
4. The diamond braze tape preparation device according to claim 1, wherein the thickness of the braze tape (8) is 0.1-0.3 mm.
5. A method for producing a diamond braze coating tape, characterized by using the apparatus for producing a diamond braze coating tape according to any one of claims 1 to 4, the method comprising:
the brazing material belt (8) is clamped between the first roller (1) and the second roller (2), and the coating (3) in the storage device (4) is driven by the second roller (2) to adhere to the brazing material belt (8);
the brazing filler metal strip (8) moves along the direction from the first conveying device to the second conveying device, is heated by the heating device and then moves to a position between the third roller (6) and the fourth roller (7), and the coating (3) is pressed into the brazing filler metal strip (8).
6. The production method according to claim 5,
the brazing material belt is a brazing alloy belt;
the brazing filler metal alloy strip comprises a silver-copper-titanium alloy brazing filler metal strip;
the silver-copper-titanium alloy solder strip comprises the following components in parts by mass: 55 to 74 parts by mass of silver; 25 to 43 parts by mass of copper; 2 to 4 parts by mass of titanium.
7. The preparation method according to claim 5, wherein the temperature of the brazing filler metal strip (8) after heating is 450-500 ℃.
8. The production method according to claim 5, wherein the diamond is a diamond whose surface is plated with titanium; the granularity of the diamond is 100-300 meshes.
9. A preparation method according to claim 5, wherein the mass proportion of the diamond in the coating (3) is 70-85%.
10. A braze-coated tape is characterized in that,
the brazing tape is produced by the production apparatus according to any one of claims 1 to 4; or
The braze-coated tape produced by the production method according to any one of claims 5 to 9.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210019022.7A CN114082591B (en) | 2022-01-10 | 2022-01-10 | Diamond brazing tape preparation device and preparation method and brazing tape |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210019022.7A CN114082591B (en) | 2022-01-10 | 2022-01-10 | Diamond brazing tape preparation device and preparation method and brazing tape |
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| CN114082591B true CN114082591B (en) | 2022-05-03 |
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Address after: 315000 No. 929 Binhai Avenue, Danxi street, Xiangshan County, Ningbo City, Zhejiang Province Patentee after: Ningbo Intelligent Machine Tool Research Institute Co., Ltd. of China National Machinery Institute Group Address before: 315000 No. 929 Binhai Avenue, Danxi street, Xiangshan County, Ningbo City, Zhejiang Province Patentee before: China Machinery Intelligent Equipment Innovation Research Institute (Ningbo) Co.,Ltd. |