CN215393043U

CN215393043U - Brazing frame capable of preventing high-temperature vacuum brazing deformation

Info

Publication number: CN215393043U
Application number: CN202121507128.9U
Authority: CN
Inventors: 苏春生; 王平; 王铁兵
Original assignee: Modine Puxin Thermal Systems Jiangsu Co ltd
Current assignee: Modine Puxin Thermal Systems Jiangsu Co ltd
Priority date: 2021-07-02
Filing date: 2021-07-02
Publication date: 2022-01-04
Anticipated expiration: 2031-07-02

Abstract

The utility model discloses a brazing frame for preventing high-temperature vacuum brazing deformation, which comprises main plates and stand columns, wherein a plurality of main plates are horizontally stacked up and down, the stand columns are arranged between two adjacent main plates, the stand columns in the same plane are arranged in a rectangular array, the main plates and the stand columns are both made of graphite materials, mounting holes which are matched and connected with the stand columns are formed in the main plates, each stand column comprises a column body, a first joint and a second joint, and the first joint and the second joint are respectively arranged between the two ends of the column body. The utility model has the beneficial effects that: the brazing frame is made of graphite materials, so that the brazing frame is guaranteed not to deform under the high-temperature condition, a heavy brazing workpiece is guaranteed not to deform, and the brazing quality is guaranteed; meanwhile, the brazing frame is simple in structure and easy to assemble, and the assembly of the brazing frame can be realized by inserting the upright posts into the mounting holes of the main board; and the number of layers of the main plate of the brazing frame can be set according to the internal volume space of the high-temperature vacuum brazing furnace, and the brazing frame is flexible and convenient.

Description

Brazing frame capable of preventing high-temperature vacuum brazing deformation

Technical Field

The utility model relates to the technical field of high-temperature brazing, in particular to a brazing frame for preventing high-temperature vacuum brazing deformation.

Background

Brazing, which is a welding method that after brazing filler metal lower than the melting point of a weldment and the weldment are heated to the melting temperature of the brazing filler metal at the same time, the liquid brazing filler metal is used for filling the gaps of solid workpieces to connect the metals. During brazing, an oxide film and oil stains on a contact surface of a base material are removed firstly, so that a capillary tube can play a role after the brazing filler metal is melted, and the wettability and the capillary fluidity of the brazing filler metal are improved. The brazing deformation is small, the joint is smooth and attractive, and the method is suitable for welding components which are precise, complex and composed of different materials, such as honeycomb structural plates, turbine blades, hard alloy cutters, printed circuit boards and the like. During brazing, the whole workpiece can be heated, a plurality of welding seams are welded at one time, and the production efficiency is improved. However, in the temperature range of the maximum temperature of 900-. Meanwhile, the existing brazing frame is uniformly connected and fixed in an integral structure and is assembled and fixed through bolts or other connecting structures, and when the vacuum brazing furnace corresponding to different internal volume spaces is used, the brazing frame is troublesome to assemble, and wastes time and labor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a brazing frame for preventing high-temperature vacuum brazing deformation so as to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a prevent frame of brazing of high temperature vacuum brazing deformation, includes mainboard and stand, and is a plurality of the level stacks about the mainboard, and many stands set up between two adjacent mainboards, in the coplanar the stand is the rectangle array and arranges, mainboard and stand all adopt the graphite material to make, be equipped with the mounting hole of being connected with the stand cooperation on the mainboard, the stand contains cylinder, first joint and second joint divide locate in the middle of the both ends of cylinder, the cross-section of first joint is circular structural design, the cross-section that the second connects is square structural design, the cross-section of cylinder is circular or polygonal structural design.

Further preferably, the mounting hole is a through hole with a square structure.

Preferably, the upright post is vertically inserted into the main boards, the mounting hole in the next main board in the two adjacent main boards is connected with the second joint of the upright post, and the mounting hole in the previous main board in the two adjacent main boards is connected with the first joint of the upright post.

Preferably, the main board is provided with a plurality of heat dissipation holes.

Further preferably, a plurality of placing jigs are arranged on the next mainboard in the two adjacent mainboards, and the placing jigs are made of graphite materials.

Preferably, the placing jigs are arranged in a central symmetry mode, the bosses are arranged in the middle of the placing jigs, the placing jigs are provided with two round holes, and the two round holes are respectively formed in two sides of each boss.

Has the advantages that: according to the brazing frame for preventing high-temperature vacuum brazing deformation, the main plate and the stand columns are made of graphite materials, so that the brazing frame is guaranteed not to deform under the high-temperature condition, further, heavy brazing workpieces are guaranteed not to deform, and the brazing quality of the heavy brazing workpieces is guaranteed; meanwhile, the brazing frame is simple in structure and easy to assemble, and the assembly of the brazing frame can be realized by inserting the upright posts into the mounting holes of the main board; and the number of layers of the main plate of the brazing frame can be set according to the internal volume space of the high-temperature vacuum brazing furnace, and the brazing frame is flexible and convenient.

Drawings

FIG. 1 is a schematic structural diagram of a brazing frame for preventing deformation of high temperature vacuum brazing according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a pillar disclosed in an embodiment of the present invention;

FIG. 3 is a schematic structural view of a placement jig placed on a brazing frame for preventing deformation of high-temperature vacuum brazing according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a placement jig according to an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a brazing rack for preventing deformation during high-temperature vacuum brazing according to an embodiment of the present invention after placing a heavy brazed workpiece thereon.

Reference numerals: 1-main board, 11-mounting holes, 12-radiating holes, 2-upright posts, 21-columns, 22-first joints, 23-second joints, 3-placing jig, 31-lug bosses and 32-round holes.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1-5, a prevent brazing frame of high temperature vacuum brazing deformation, it is a plurality of including mainboard 1 and stand 2 the mainboard 1 is the level from top to bottom stacked, and many stands 2 set up between two adjacent mainboards 1, in the coplanar stand 2 is the rectangle array and arranges, mainboard 1 and stand 2 all adopt the graphite material to make, be equipped with the mounting hole 11 of being connected with the cooperation of stand 2 on the mainboard 1, stand 2 contains cylinder 21, first joint 22 and second joint 23 divide and locate in the middle of the both ends of cylinder 21, the cross-section of first joint 22 is circular structural design, the cross-section of second joint 23 is square structural design, the cross-section of cylinder 21 is circular or polygonal structural design.

In this application, the frame of brazing is used for putting of heavy brazing work piece, and it is placed in high temperature vacuum brazing stove, stacks the heavy brazing work piece that will braze on the frame of brazing, then realizes brazing under the high temperature condition. The brazing frame comprises mainboard 1 and stand 2, mainboard 1 and stand 2 all adopt the graphite material to make, and its deflection can be ignored under the high temperature condition to graphite, guarantees that the brazing frame can not take place to warp under the high temperature condition, and then guarantees that heavy work piece of brazing can not take place to warp, guarantees the quality of brazing of heavy work piece of brazing. Meanwhile, the brazing frame is simple in structure and easy to assemble, and the assembly of the brazing frame can be realized by inserting the upright posts 2 into the mounting holes 11 of the main board 1; and the number of layers of the main board 1 of the brazing frame can be set according to the internal volume space of the high-temperature vacuum brazing furnace, and the brazing frame is flexible and convenient.

In the present application, the first connector 22 is easy to be inserted into the mounting hole 11 of the motherboard 1; the second joint 23 can ensure that the upright post 2 is inserted into the mounting hole 11 of the main board 1 and cannot rotate; the column body is simple in structure and simple and convenient to manufacture.

Preferably, the upright posts 2 are vertically inserted into the main boards 1, and the mounting hole 11 of the next main board 1 in two adjacent main boards 1 is connected with the second joint 23 of the upright post 2, so that the first joint 22 with a circular cross section is ensured to be positioned above when being mounted, and the main boards 1 can be conveniently stacked; the mounting hole 11 on the upper main board 1 of the two adjacent main boards 1 and the first joint 22 of the upright post 2 ensure that the second joint 23 with the square cross section is positioned below when being mounted and is matched with the mounting hole 11 with the same square structure, so that the upright post 2 is ensured not to rotate.

Preferably, be equipped with a plurality of louvres 12 on the mainboard 1, guarantee that the heat can pass louvre 12 and disperse to heavy work piece of brazing on, improve thermal efficiency of dispersing, improve the quality of brazing of heavy work piece of brazing.

Preferably, a plurality of placing jigs 3 are arranged on the next mainboard 1 in the two adjacent mainboards 1, and the placing jigs 3 are made of graphite materials. Put tool 3 and be used for putting and carry to the brazing frame of heavy work piece of brazing, the heavy work piece of brazing of being convenient for puts, adopts graphite material to make simultaneously, guarantees to put tool 3 and can not take place to warp under the high temperature condition, guarantees the quality of brazing of heavy work piece of brazing.

Preferably, the plurality of placing jigs 3 are arranged in a central symmetry manner, and the bosses 31 are arranged in the middle of the placing jigs 3 and used for supporting heavy brazing workpieces, so that the heavy brazing workpieces are prevented from deforming in the brazing process; the placing jig 3 is provided with two round holes 32, and the two round holes 32 are respectively arranged on two sides of the boss 31 and used for heat passing through and accelerating the brazing speed.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall be included in the contents of the present invention within the scope of the protection of the present invention.

Claims

1. The utility model provides a prevent brazing frame of high temperature vacuum brazing deformation which characterized in that: including mainboard (1) and stand (2), it is a plurality of the level stacks about mainboard (1), and many stands (2) set up between two adjacent mainboards (1), in the coplanar stand (2) are the rectangular array and arrange, mainboard (1) and stand (2) all adopt the graphite material to make, be equipped with mounting hole (11) of being connected with stand (2) cooperation on mainboard (1), stand (2) contain cylinder (21), first joint (22) and second joint (23) branch are located in the middle of the both ends of cylinder (21), the cross-section of first joint (22) is circular structural design, the cross-section that second joint (23) is square structural design, the cross-section of cylinder (21) is circular or polygonal structural design.

2. The brazing frame for preventing the deformation of the high-temperature vacuum brazing according to claim 1, wherein: the mounting hole (11) is a through hole with a square structure.

3. The brazing frame for preventing the deformation of the high-temperature vacuum brazing according to claim 1, wherein: the upright post (2) is vertically inserted into the main boards (1), the mounting hole (11) in the next main board (1) in the two adjacent main boards (1) is connected with the second joint (23) of the upright post (2), and the mounting hole (11) in the last main board (1) in the two adjacent main boards (1) is connected with the first joint (22) of the upright post (2).

4. The brazing frame for preventing the deformation of the high-temperature vacuum brazing according to claim 1, wherein: a plurality of heat dissipation holes (12) are formed in the main board (1).

5. The brazing frame for preventing the deformation of the high-temperature vacuum brazing according to claim 1, wherein: a plurality of placing tools (3) are arranged on the next main board (1) in the two adjacent main boards (1), and the placing tools (3) are made of graphite materials.

6. The brazing frame for preventing deformation of high temperature vacuum brazing according to claim 5, wherein: the placing jig is characterized in that the placing jigs (3) are arranged in a central symmetry mode, bosses (31) are arranged in the middle of the placing jigs (3), the placing jigs (3) are provided with two round holes (32), and the two round holes (32) are respectively arranged on two sides of each boss (31).