Intensive brazing fixture

Abstract

The application discloses a dense brazing clamping device, which comprises a positioning support block, a profiled top block assembly, a profiled pressing block assembly and a pressing plate. One side of the positioning support block is provided with a U-shaped groove structure and a through groove. Welding part positioning grooves are arranged on the two sides of the through groove and used for placing welding parts. The profiled top block assembly is detachably fixed at one end of the through groove. The profiled pressing block assembly is arranged opposite to the profiled top block assembly, is detachably fixed at one end of the through groove and is detachably fixed and connected with the other end of the profiled top block assembly. The pressing plate is arranged above the welding parts in the welding part positioning grooves and is fixed at the two sides of the welding part positioning grooves so as to fix the welding parts. After being fixed to a welding machine, the profiled top block assembly and the profiled pressing block assembly within a specified range from the welding parts are detached. The application solves the technical problem that the prior art cannot meet the requirement of welding of densely arranged welding parts.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of part processing, and particularly relates to a dense brazing clamping device. BACKGROUND

[0002] Part processing is widely applied to various technical fields, such as equipment part processing in the technical fields of aerospace, transportation, meteorology, medical treatment and the like. In the part processing process, a professional device (for example, a clamping device) is needed to fix a workpiece to be processed, and then the workpiece is processed.

[0003] At present, in order to ensure the welding quality and deformation control, the structure and position of the workpiece to be processed are completely fixed in the part processing process, or the welding tooling and the clamping mechanism are designed in a unified structure. Although such a design can meet the processing requirements of a part of workpieces, for densely arranged welding pieces, the brazing process requires that there is no metal piece within a radius of 100 mm of the heat reaction zone. In the actual processing process, there are metal pieces within a radius of 100 mm of the heat reaction zone in some scenarios. For such scenarios, the prior art cannot meet the requirements of welding of densely arranged welding pieces. SUMMARY

[0004] The technical problem solved by the present application is that the prior art cannot meet the requirements of welding of densely arranged welding pieces. The present application provides a dense brazing clamping device. In the scheme provided in the present application, a corresponding number of profiled pressing plate assemblies and profiled top plate assemblies are designed according to the number of welding positions, so that the structure within a specified range around the welding position can be removed during welding, and the structure outside the specified range around the welding position is retained. A profiled pressing block assembly and a profiled top block assembly that can be flexibly disassembled are designed at a specified position of each welding position, so that the welding quality is affected as little as possible, and the welding deformation is reduced to the maximum extent. There are multiple flexible disassembly large top blocks that can be disassembled at any time, so that the shape of the welded piece can be quickly completed after each welding position is welded, the post-welding shape correction is achieved, and the welding quality is ensured.

[0005] In a first aspect, embodiments of the present application provide a dense brazing clamping device, which comprises a positioning support block, a profiled top block assembly, a profiled pressing block assembly and a pressing plate; wherein one side of the positioning support block is a U-shaped groove structure and is provided with a through groove; on the side of the U-shaped groove structure, two sides of the through groove are respectively provided with a welding part positioning groove opposite to each other, and the welding part positioning groove is used for placing a welding part; the profiled top block assembly is arranged on the side of the U-shaped groove structure of the positioning support block, and is arranged along the axial direction of the positioning support block, one end of the profiled top block assembly is detachably connected with the welding part positioning groove on one side of the through groove; the profiled pressing block assembly is arranged on the side of the positioning support block away from the U-shaped groove structure opposite to the profiled top block assembly, one end of the profiled pressing block assembly is detachably fixed on one side of the through groove, and the other end of the profiled pressing block assembly is detachably fixedly connected with the other end of the profiled top block assembly to position the profiled top block assembly; the pressing plate is arranged above the welding part in the welding part positioning groove and is fixed on both sides of the welding part positioning groove to fix the welding part; after being fixed on the welding machine, the profiled top block assembly and the profiled pressing block assembly within a specified range from the welding part are detached.

[0006] Optionally, the profiled top block assembly comprises a plurality of long profiled top block assemblies and a plurality of short profiled top block assemblies; wherein one end of the long profiled top block assembly is detachably fixed on a first side of the through groove, one end of the short profiled top block assembly is detachably fixed on a second side of the through groove, and the first side and the second side are perpendicular to the axial direction and are opposite to each other.

[0007] Optionally, the profiled pressing block assembly comprises a plurality of long profiled pressing block assemblies and a plurality of short profiled pressing block assemblies; wherein the long profiled pressing block assembly is arranged opposite to the long profiled top block assembly, one end of the long profiled pressing block assembly is detachably fixed on one side of the through groove, and the other end of the long profiled pressing block assembly is detachably connected with the long profiled top block assembly; the short profiled pressing block assembly is arranged opposite to the short profiled top block assembly, one end of the short profiled pressing block assembly is detachably fixed on one side of the through groove, and the other end of the short profiled pressing block assembly is detachably connected with the short profiled top block assembly.

[0008] Optionally, the long profiled top block assembly and the long profiled pressing block assembly each comprise a long pressing plate, a first profiled pressing block, a first cylindrical pin and a first pressing screw; wherein the long pressing plate and the first profiled pressing block are arranged opposite to each other on both ends of the first pressing screw; a surface of the long pressing plate away from the first pressing screw and close to the first profiled pressing block is provided with a half-open long groove.

[0009] Optionally, the short profiled top block assembly and the short profiled pressing block assembly each comprise a short pressing plate, a second profiled pressing block, a second cylindrical pin, and a second pressing screw; wherein the short pressing plate and the second profiled pressing block are arranged on both ends of the second pressing screw; the side of the short pressing plate away from the second pressing screw; the short pressing plate and the corresponding long pressing plate on which the half-open long groove is arranged are matched in size, and the short pressing plate and the corresponding long pressing plate on which the half-open long groove is arranged are matched and assembled.

[0010] Optionally, further comprising at least one set of positioning pressing plates, each set of the positioning pressing plates comprising a first positioning pressing plate and a second positioning pressing plate; wherein the first positioning pressing plate and the second positioning pressing plate are fixed on one side of the U-shaped groove structure of the positioning support block along the longitudinal direction of the positioning support block; the first positioning pressing plate and the second positioning pressing plate are arranged on both sides of the through groove, the first positioning pressing plate is used for detachably fixing one end of the long profiled pressing block assembly, and the second positioning pressing plate is used for detachably fixing one end of the short profiled pressing block assembly.

[0011] Optionally, the positioning support block is provided with a plurality of through grooves, and each through groove corresponds to a set of profiled top block assemblies and profiled pressing block assemblies.

[0012] Compared with the prior art, the scheme provided by the embodiment of the present application has at least the following beneficial effects:

[0013] The scheme provided by the embodiment of the present application designs a corresponding number of profiled pressing plate assemblies and profiled top plate assemblies according to the number of welding positions, so that the structure within a specified range around the welding position can be removed during welding, and the structure outside the specified range around the welding position is reserved; and a profiled pressing block assembly and a profiled top block assembly that can be flexibly disassembled are designed at a specified position of each welding position, so that the welding quality is guaranteed to be minimally affected while the welding deformation is maximally reduced; there are a plurality of flexible disassembly large top blocks that can be disassembled at any time, so that the shape of the welded part can be quickly corrected after each welding position is welded, rapid post-weld correction is achieved, and the welding quality is guaranteed. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 A schematic view of a dense brazing clamping device provided by the embodiment of the present application;

[0015] Figure 2A A schematic view of another dense brazing clamping device provided by the embodiment of the present application;

[0016] Figure 2B A schematic view of another dense brazing clamping device provided by the embodiment of the present application;

[0017] Figure 3A structure schematic diagram of a long-contoured top block assembly or a long-contoured pressing block assembly is shown.

[0018] Figure 4 A structure schematic diagram of a short-contoured top block assembly or a short-contoured pressing block assembly is shown.

[0019] Figure 5 A structure schematic diagram of another dense brazing clamping device is shown.

[0020] Figure 6 A structure schematic diagram of another dense brazing clamping device is shown. DETAILED DESCRIPTION

[0021] The embodiments described in the schemes provided by the present application are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the present application.

[0022] In order to better understand the above technical scheme, the technical scheme of the present application is described in detail below through the drawings and specific embodiments. It should be understood that the embodiments of the present application and the specific features in the embodiments are detailed descriptions of the technical scheme of the present application, rather than limitations of the technical scheme of the present application. In the case of no conflict, the technical features in the embodiments of the present application and the embodiments can be combined with each other.

[0023] Figure 1 A structure schematic diagram of a dense brazing clamping device is shown.

[0024] As an example, in Figure 1In the device, the device comprises a positioning support block 1, a conformal top block assembly 2, a conformal pressing block assembly 3 and a pressing plate 4. One side of the positioning support block 1 is a U-shaped groove structure and is provided with a through groove 11. On the side of the U-shaped groove structure, the two sides of the through groove 11 are respectively provided with a welding part positioning groove 12 opposite to each other, and the welding part positioning groove 12 is used for placing a welding part. For example, the welding part positioning groove 12 is also a U-shaped structure, the curvature of which is similar to that of the U-shaped groove structure on the positioning support block 1, and it is attached to the U-shaped groove structure; the welding part positioning groove 12 is fixedly connected with the positioning support block 1 by screws. For another example, the welding part positioning groove 12 is a stepped structure, which includes multiple steps, and each step is used for placing a welding part. When the welding part is placed on the welding part positioning groove 12, the conformal top block assembly 2 is arranged on the welding part, and the conformal top block assembly 2 is fixedly connected with the welding part positioning groove 12 through the conformal top block assembly 2. The conformal top block assembly 2 is arranged on one side of the U-shaped groove structure of the positioning support block 1 and is arranged along the axial direction of the positioning support block 1, one end of the conformal top block assembly 2 is detachably connected with the welding part positioning groove 12 on one side of the through groove 11, for example, the conformal top block assembly 2 is connected with the welding part positioning groove 12 through screws.

[0025] Further, as shown in Figure 1 On the side of the positioning support block 1 away from the U-shaped groove structure, the conformal pressing block assembly 3 is arranged opposite to the conformal top block assembly 2; one end of the conformal pressing block assembly 3 is detachably fixed on one side of the through groove 11, and the other end is detachably fixedly connected with the other end of the conformal top block assembly 2, that is, the welding part is arranged between the conformal top block assembly 2 and the conformal pressing block assembly 3, so as to clamp the welding part by the conformal top block assembly 2 and the conformal pressing block assembly 3. In addition, the pressing plate 4 is arranged on the welding part in the welding part positioning groove 12 and is fixed on both sides of the welding part positioning groove 12 to fix the welding part; after the welding part is fixed, the conformal top block assembly 3 and the conformal pressing block assembly 4 within a specified range from the welding part are detached. For example, the specified range is 100 mm around the welding part.

[0026] For another example, as shown in Figure 1 The conformal top block assembly 2 comprises a plurality of long conformal top block assemblies 21 and a plurality of short conformal top block assemblies 22; one end of the long conformal top block assembly 21 is detachably connected with the welding part positioning groove 12 on the first side of the through groove 11; one end of the short conformal top block assembly 22 is detachably connected with the welding part positioning groove 12 on the second side of the through groove 11, the first side and the second side are perpendicular to the axial direction and are opposite to each other. For example, the conformal top block assembly 2 comprises at least three long conformal top block assemblies 21 and at least three short conformal top block assemblies 22.

[0027] Figure 2AA schematic diagram of the structure of another dense brazing clamping device provided in an embodiment of this application is shown.

[0028] For example, such as Figure 2A The diagram shows a schematic representation of the other side of the positioning support block 1 in the dense brazing clamping device, relative to the U-shaped groove structure. A conformal pressing block assembly 3 is provided on the other side of the positioning support block 1 relative to the U-shaped groove structure. The conformal pressing block assembly 3 includes multiple long conformal pressing block assemblies 31 and multiple short conformal pressing block assemblies 32. For example, the conformal pressing block assembly 3 includes at least three long conformal pressing block assemblies 31 and at least three short conformal pressing block assemblies 32. Furthermore, in the solution provided in this embodiment, the long conformal pressing block assembly 31 is arranged opposite to the long conformal top block assembly 21, and the short conformal pressing block assembly 32 is arranged opposite to the short conformal top block assembly 22. Optionally, the number of long conformal pressing block assemblies 31 and long conformal top block assemblies 21 can be the same or different; the number of short conformal pressing block assemblies 32 and short conformal top block assemblies 22 can be the same or different. Furthermore, the long conformal pressing block assembly 31 is disposed opposite to the long conformal top block assembly 21, one end of which is detachably fixed to one side of the through groove 11, and the other end is detachably connected to the long conformal top block assembly 21; the short conformal pressing block assembly 32 is disposed opposite to the short conformal top block assembly 22, one end of which is detachably fixed to one side of the through groove 11, and the other end is detachably connected to the short conformal top block assembly 22.

[0029] Figure 2B A schematic diagram of the structure of another dense brazing clamping device provided in an embodiment of this application is shown.

[0030] For example, such as Figure 2B As shown, in order to make the conformal pressing block assembly 3 detachably fixedly connected to one side of the through groove 11, the side of the dense brazing clamping device provided in this application away from the U-shaped groove structure is provided with a threaded hole for mounting the conformal pressing block assembly 3. For example, threaded holes are provided on both sides of the through groove 11 respectively. The threaded hole on one side is connected to one end of the long conformal pressing block assembly 31 by a matching screw, and the threaded hole on the other side is connected to one end of the short conformal pressing block assembly 32 by a matching screw, so that the conformal pressing block assembly 3 can be detachably connected to the dense brazing clamping device provided in this application by screws.

[0031] Figure 3 This application provides a schematic diagram of the structure of a long conformal top block assembly or a long conformal pressure block assembly.

[0032] For example, such as Figure 3As shown, both the elongated conformal top block assembly 21 and the elongated conformal pressure block assembly 31 include: an elongated pressure plate 211, a first conformal pressure block 212, a first cylindrical pin 213, and a first clamping screw 214; wherein, the elongated pressure plate 211 and the first conformal pressure block 212 are disposed opposite to each other at both ends of the first clamping screw 214; a semi-open elongated groove 215 is provided on the side of the elongated pressure plate 211 away from the first clamping screw 214 and close to the surface of the first conformal pressure block 212. For example, the elongated pressure plate 211 has a threaded hole structure, an interference fit pin hole structure, two small threaded through holes, a large nut through hole structure, and a pin through hole structure.

[0033] Figure 4 This application provides a schematic diagram illustrating the structure of a short conformal top block assembly or a short conformal pressure block assembly according to an embodiment of the present application.

[0034] For example, such as Figure 4 As shown, both the short conformal top block assembly 22 and the short conformal pressure block assembly 32 include: a short pressure plate 221, a second conformal pressure block 222, a second cylindrical pin 223, and a second clamping screw 224; wherein, the short pressure plate 221 and the second conformal pressure block 222 are disposed opposite to each other at both ends of the second clamping screw 224; the short pressure plate 221 is located on the side away from the second clamping screw 224; the short pressure plate 221 and the corresponding long pressure plate 211 are provided with a semi-open long groove 215 in size matching, and the short pressure plate 221 and the corresponding long pressure plate 211 are provided with a semi-open long groove 215 in matching assembly.

[0035] For example, the first clamping screw 214 is fixed to the long pressure plate 211 through the interference fit pin hole on the long pressure plate 211. The long pressure plate 211 has threaded through holes on both sides and one or more interference fit pin holes and threaded holes in the middle. The long positioning block screw (not shown in the figure) is fixed to the long pressure plate 211 at the corresponding position of the positioning support block 1 through the threaded through holes on both sides of the long pressure plate 211 and the threaded holes at the corresponding positions of the positioning support block 1. The welding part positioning groove 12 is fixed to the long pressure plate 211 through the interference fit pin hole on the long pressure plate 211. The welding part positioning groove 12 fixed to the long pressure plate 211 is positioned to the short conformal top block assembly 22 through the clearance fit pin hole on the short pressure plate 221; the top block assembly screw (not shown in the figure) is fixed to the long pressure plate 211 through the small threaded through hole on the short pressure plate 221 and the threaded hole on the long pressure plate 211, and can be flexibly disassembled and assembled at any time. The long pressure plate 211 has a semi-open long groove 215 on its lower side, which can be used to position the long pressure plate 211 and the short pressure plate 221. The screws of the pressure block assembly pass through two small threaded through holes on the long pressure plate 211 and two threaded holes on the short pressure plate 221 to fix the long conformal pressure block assembly 21 on the short conformal pressure block assembly 22 and the long pressure plate 211, and can be flexibly disassembled and assembled at any time. The first conformal pressure block 212 is provided with a threaded hole structure and a cylindrical through hole structure at the bottom of the threaded hole structure, so that after the first clamping screw 214 is connected to the threaded hole structure of the first conformal pressure block 212, the first conformal pressure block 212 can also rotate conformally. There is an open semi-circular through hole structure at a certain distance from the threaded hole structure. The first cylindrical pin 213 passes through the open semi-circular through hole structure on the first conformal pressure block 212 to fix and align the installation direction of the first conformal pressure block 212.

[0036] Figure 5 A schematic diagram of the structure of another dense brazing clamping device provided in an embodiment of this application is shown.

[0037] For example, such as Figure 5 As shown, the dense brazing clamping device further includes: at least one set of positioning pressure plates 5, each set of positioning pressure plates 5 including a first positioning pressure plate 51 and a second positioning pressure plate 52; wherein, the first positioning pressure plate 51 and the second positioning pressure plate 52 are fixed to one side of the U-shaped groove structure on the positioning support block 1 along the longitudinal direction of the positioning support block 1; the first positioning pressure plate 51 and the second positioning pressure plate 52 are arranged opposite to each other on both sides of the through groove 11, the first positioning pressure plate 51 is used to detachably fix one end of the long conformal pressure block assembly 31; the second positioning pressure plate 52 is used to detachably fix one end of the short conformal pressure block assembly 32.

[0038] As another example, the positioning support block 1 is provided with multiple through slots 11, each through slot 11 corresponding to a set of conformal top block components 2 and conformal pressing block components 3. For example, asFigure 5 As shown, the positioning support block 1 is provided with two through slots 11.

[0039] Figure 6 A schematic diagram of the structure of another dense brazing clamping device provided in an embodiment of this application is shown.

[0040] For example, such as Figure 6 As shown, the dense brazing clamping device also includes: multiple large top blocks 6; wherein, the large top blocks 6 can be flexibly disassembled and assembled, and can be disassembled and assembled at any time to ensure that the welded parts can be quickly shaped after each welding position is completed, so as to achieve rapid post-weld shaping.

[0041] The solution provided in this application embodiment designs a corresponding number of conformal pressure plate assemblies and conformal top plate assemblies according to the number of welding positions. This allows the structure within a specified range around the welding position to be removed during welding, while retaining the structure outside the specified range around the welding position. Furthermore, a flexibly detachable conformal pressure block assembly and conformal top block assembly are designed at each specified position of the welding position to minimize the impact on welding quality while reducing welding deformation to the greatest extent. Multiple flexibly detachable large top blocks can be disassembled and assembled at any time, ensuring that the welded parts can be quickly shaped after welding at each welding position, achieving rapid post-weld shaping and thus ensuring welding quality.

[0042] Obviously, those skilled in the art can make various modifications and variations to this application without departing from the spirit and scope of this application. Therefore, if such modifications and variations fall within the scope of the claims of this application and their equivalents, this application also intends to include such modifications and variations.

Claims

1. A dense brazing clamping device, characterized in that, include: Positioning support block (1), conformal top block assembly (2), conformal pressure block assembly (3), and pressure plate (4); wherein, One side of the positioning support block (1) is a U-shaped groove structure and is provided with a through groove (11); on the side of the U-shaped groove structure, welding part positioning grooves (12) are respectively provided on both sides of the through groove (11), and the welding part positioning grooves (12) are used to place welding parts. The conformal top block assembly (2) is disposed on one side of the U-shaped groove structure on the positioning support block (1) and is disposed along the axial direction of the positioning support block (1). One end of the assembly is detachably connected to the positioning groove (12) of the welded part on one side of the through groove (11). The conformal pressing block assembly (3) and the conformal top block assembly (2) are disposed opposite to each other on the side of the positioning support block (1) away from the U-shaped groove structure. One end of the conformal pressing block assembly (3) is detachably fixed to one side of the through groove (11), and the other end is detachably fixed to the other end of the conformal top block assembly (2) to position the conformal top block assembly (2). The pressure plate (4) is disposed on the weldment in the welding part positioning groove (12) and fixed on both sides of the welding part positioning groove (12) to fix the welding part; after fixing the welding part, the conformal top block assembly (2) and the conformal pressure block assembly (3) within a specified range from the welding part are removed. The conformal top block assembly (2) includes: a plurality of long conformal top block assemblies (21) and a plurality of short conformal top block assemblies (22); wherein, one end of the long conformal top block assembly (21) is detachably fixed to the first side of the through groove (11), and one end of the short conformal top block assembly (22) is detachably fixed to the second side of the through groove (11), the first side and the second side are perpendicular to the axial direction and are opposite sides; The conformal pressing block assembly (3) includes: multiple long conformal pressing block assemblies (31) and multiple short conformal pressing block assemblies (32); wherein, the long conformal pressing block assembly (31) is arranged opposite to the long conformal top block assembly (21), one end of the long conformal pressing block assembly (31) is detachably fixed to one side of the through groove (11), and the other end is detachably connected to the long conformal top block assembly (21); the short conformal pressing block assembly (32) is arranged opposite to the short conformal top block assembly (22), one end of the short conformal pressing block assembly (32) is detachably fixed to one side of the through groove (11), and the other end is detachably connected to the short conformal top block assembly (22); The elongated conformal top block assembly (21) and the elongated conformal pressure block assembly (31) both include: an elongated pressure plate (211), a first conformal pressure block (212), a first cylindrical pin (213), and a first clamping screw (214); wherein the elongated pressure plate (211) and the first conformal pressure block (212) are disposed opposite to each other at both ends of the first clamping screw (214); the elongated pressure plate (211) is disposed on the side away from the first clamping screw (214) and on the surface close to the first conformal pressure block (212) with a semi-open elongated groove (215); The short conformal top block assembly (22) and the short conformal pressure block assembly (32) both include: a short pressure plate (221), a second conformal pressure block (222), a second cylindrical pin (223), and a second clamping screw (224); wherein, the short pressure plate (221) and the second conformal pressure block (222) are disposed opposite to each other at both ends of the second clamping screw (224); the short pressure plate (221) is on the side away from the second clamping screw (224); the short pressure plate (221) and the corresponding long pressure plate (211) are provided with a semi-open long groove (215) in size matching, and the short pressure plate (221) and the corresponding long pressure plate (211) are provided with a semi-open long groove (215) in matching assembly.

2. The apparatus as claimed in claim 1, characterized in that, Also includes: At least one set of positioning plates (5), each set of positioning plates (5) includes a first positioning plate (51) and a second positioning plate (52); wherein, the first positioning plate (51) and the second positioning plate (52) are fixed to one side of the U-shaped groove structure on the positioning support block (1) along the longitudinal direction of the positioning support block (1); the first positioning plate (51) and the second positioning plate (52) are arranged opposite to each other on both sides of the through groove (11), the first positioning plate (51) is used to detachably fix one end of the long conformal pressure block assembly (31); the second positioning plate (52) is used to detachably fix one end of the short conformal pressure block assembly (32).

3. The apparatus according to any one of claims 1 to 2, characterized in that, in, The positioning support block (1) is provided with multiple through slots (11), each through slot (11) corresponding to a set of conformal top block assembly (2) and conformal pressing block assembly (3).

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