CN217045153U

CN217045153U - Dissimilar metal welding tool

Info

Publication number: CN217045153U
Application number: CN202220630165.7U
Authority: CN
Inventors: 孙占国
Original assignee: Beijing Shijiabo Technology Group Co ltd
Current assignee: Beijing Shijiabo Technology Group Co ltd
Priority date: 2022-03-22
Filing date: 2022-03-22
Publication date: 2022-07-26
Anticipated expiration: 2032-03-22

Abstract

The utility model provides a dissimilar metal welding frock, relate to the welding technology field, this dissimilar metal welding frock includes the water tank, the backing plate subassembly, the limit structure and the clamp plate structure are all arranged in the water tank, wherein the backing plate subassembly includes the backing plate and sets up the heat dissipation pipe fitting in the backing plate, there are coolant import and coolant export and coolant import and coolant export on the heat dissipation pipe fitting and set up in the water tank outside, form the accommodation space that holds the cooling water in the water tank, both sides of the relative setting of backing plate are provided with the clamp plate structure respectively, are used for pressing in the top of the work piece to be welded of placing on the backing plate; the limiting structure is arranged above the base plate and connected with the bottom of the water tank, and one end part of the workpiece to be welded along the length direction of the welding line of the workpiece to be welded is abutted against the limiting structure. Structural design is reasonable, and automated control is more simple and convenient.

Description

Dissimilar metal welding tool

Technical Field

The utility model belongs to the technical field of the welding technique and specifically relates to a dissimilar metal welding frock is related to.

Background

In the field of welding, metal welding is very common. The welding process is developed for years and is basically developed and matured. With the continuous development of science and technology, new materials, new processes and new equipment are continuously appeared. The joining of dissimilar metals has received a great deal of attention from all industries.

The dissimilar metal material welded member is a structural member having certain service properties, which is formed by welding two or more dissimilar metal materials together. Because the high-strength high-toughness alloy has good comprehensive performance, meets different requirements of different working conditions on materials, can save precious metals, reduce the overall cost of the structure, fully exerts the performance advantages of different materials, and is increasingly widely applied to the fields of aerospace, nuclear industry, steel smelting, automobiles, petrochemical industry and the like.

The welding of dissimilar metal materials is an important link for the forming of welding components of dissimilar metal materials, and is receiving increasingly wide attention. The welding plays a role in lifting in the connection process of dissimilar metals. Two or more materials with different properties are simply and quickly connected together by a welding method, so that the welding member can meet the service performance, the production cost is reduced, and the maximization of resource utilization is realized.

The welding of dissimilar metals is much more complicated than the welding of the same metals because of the large difference of chemical components, physical characteristics and chemical properties of different materials. Welding of dissimilar metal materials is always an important problem in the technical field of welding, and no special welding equipment exists in the market at present.

SUMMERY OF THE UTILITY MODEL

The utility model discloses solve the problem that above-mentioned prior art exists, provide a dissimilar metal welding frock, structural design is reasonable, automated control, and is simple and convenient more.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a dissimilar metal welding frock, including water tank, backing plate subassembly, limit structure and clamp plate structure, the backing plate subassembly limit structure with clamp plate structure all set up in the water tank, wherein: the backing plate assembly comprises a backing plate and a heat dissipation pipe fitting arranged in the backing plate, a cooling medium inlet and a cooling medium outlet are formed in the heat dissipation pipe fitting and arranged outside the water tank, an accommodating space for accommodating cooling water is formed in the water tank, and the two opposite sides of the backing plate are respectively provided with the pressure plate structure and used for pressing the pressure plate structure above a workpiece to be welded on the backing plate; the limiting structure is arranged above the base plate and connected with the bottom of the water tank, and one end of the workpiece to be welded along the length direction of the welding seam of the workpiece to be welded is abutted to the limiting structure.

As a further improvement, the water tank is including the box that is the cuboid structure, the box includes the first curb plate of two relative settings and the second curb plate of two relative settings, the length of first curb plate is greater than the length of second curb plate, one of them the cooling water inlet has been seted up on the second curb plate, another the cooling water outlet has been seted up on the second curb plate, cooling water inlet department with cooling water outlet department all is provided with the water injection well choke.

As a further improvement, the crooked structure is connected for being the S type to the heat dissipation pipe fitting, the same can be worn out at the both ends homoenergetic of heat dissipation pipe fitting the second curb plate just forms respectively the coolant import with the coolant export, the coolant import with the coolant export set up respectively in the both sides of cooling water import.

As a further improvement of the utility model, the cross section of backing plate is the rectangle, four bights of backing plate all are provided with the breach groove, the fixing bolt is installed to the breach inslot, fixing bolt's screw rod passes breach groove on the backing plate with the bottom of water tank is connected, fixing bolt's nut with the upper surface looks butt of backing plate.

As a further improvement, the overall limiting structure is an inverted U-shaped structure, including two vertical portions and the crossbeam of connection between two vertical portions, the fixed setting of vertical portion is in the bottom of crossbeam is used for supporting the crossbeam, the bottom of vertical portion with the bottom looks butt or the fixed connection of water tank, the crossbeam is violently established be close to on the backing plate the tip of cooling water export, two vertical portion sets up respectively the both sides of backing plate, the tip of treating welding workpiece that places on the backing plate with the lateral part looks butt of crossbeam.

As a further improvement, the dissimilar metal welding frock still includes the layering, the layering set up in the clamp plate structure with treat between the welding workpiece on the backing plate, the height that the upper surface that highly is less than the upper surface at its both ends of upper surface place that the intermediate position department of crossbeam was located, the length of layering is not less than the length of backing plate.

As a further improvement, the backing plate respectively is provided with the multiunit along its length direction's both sides the clamp plate structure is located the homonymy the clamp plate structure is followed the long limit of backing plate is the interval setting.

As a further improvement of the utility model, the clamp plate structure includes backup pad and clamp plate, the backup pad is vertical to be placed on the bottom of water tank, the clamp plate level set up in the top of backup pad and press to locate to place the top of layering, the clamp plate with the backup pad forms "L" type structure.

As a further improvement, the intermediate position of clamp plate is provided with rectangular groove, on the backing plate with the corresponding position department of clamp plate is provided with the outside U type groove of opening, U type inslot is provided with positioning bolt, positioning bolt's screw rod passes U type groove on the backing plate with the bottom of water tank is connected, positioning bolt's nut with the upper surface looks butt of backing plate.

As a further improvement of the utility model, the cooling medium inlet enters the cooling medium inside the heat dissipation pipe fitting is pure water.

The utility model provides a xenogenesis metal welding frock mainly comprises water tank, backing plate subassembly, limit structure, clamp plate structure, and its backing plate subassembly includes the backing plate and sets up in the inside heat dissipation pipe fitting of backing plate, and this frock during operation will treat to weld the work piece and place on the backing plate earlier, places the clamp plate structure according to welding seam length afterwards, puts to treat to weld the work piece after with filling up the cooling water in the water tank, makes the coolant circulation flow in the heat dissipation pipe fitting simultaneously. The utility model has the advantages of reasonable design, fix a position simple and conveniently to the work piece, through the timely heat of taking away of coolant, the underwater welding has the heat that does benefit to in time taking away the surface production, does benefit to surface forming, improves welding quality, and convenient to use reduces staff's the amount of labour, is favorable to extensively promoting.

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, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic perspective view of a dissimilar metal welding tool provided in an embodiment of the present invention;

fig. 2 is a top view of a dissimilar metal welding tool provided by an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a tie plate assembly according to an embodiment of the present invention.

Reference numerals: 1. a water tank; 110. a first side plate; 120. a second side plate; 2. a bolster plate assembly; 21. a base plate; 22. a heat dissipating pipe; 3. a limiting structure; 31. a vertical portion; 32. a cross beam; 4. a platen structure; 41. A support plate; 42. pressing a plate; 421. a long groove; 6. a cooling medium inlet; 7. a cooling medium outlet; 8. A workpiece to be welded; 9. a cooling water inlet; 10. a cooling water outlet; 11. a notch groove; 12. fixing the bolt; 13. layering; 14. a U-shaped groove; 15. and (6) positioning the bolt.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-2, the utility model provides a dissimilar metal welding frock, including water tank 1, backing plate subassembly 2, limit structure 3 and clamp plate structure 4 all set up in water tank 1, wherein, backing plate subassembly 2 includes backing plate 21 and sets up the heat dissipation pipe fitting 22 in backing plate 21, there are coolant import 6 and coolant export 7 and coolant import 6 and coolant export 7 to set up in water tank 1 outsidely on the heat dissipation pipe fitting 22, be formed with the accommodation space that holds the cooling water in the water tank 1, underwater welding has the heat that does benefit to in time to take away the surface production, do benefit to surface forming. Two opposite sides of the backing plate 21 are respectively provided with a pressure plate structure 4 for pressing above a workpiece 8 to be welded which is placed on the backing plate 21; the limiting structure 3 is arranged above the base plate 21 and connected with the bottom of the water tank 1, and one end of the workpiece 8 to be welded along the length direction of the welding seam is abutted against the limiting structure 3.

The water tank 1 in this embodiment includes the box that is the cuboid structure, and the box includes two relative first curb plates 110 that set up and two relative second curb plates 120 that set up, and the length of first curb plate 110 is greater than the length of second curb plate 120, has seted up cooling water inlet 9 on one of them second curb plate 120, has seted up cooling water outlet 10 on another second curb plate 120, and cooling water inlet 9 department and cooling water outlet 10 department all are provided with the water injection well choke. The heat dissipation pipe fitting 22 is an S-shaped connection bending structure formed by connecting a plurality of heat dissipation pipelines end to end, two ends of the heat dissipation pipe fitting 22 penetrate through the same second side plate 120, a cooling medium inlet 6 and a cooling medium outlet 7 are formed at two ends of the heat dissipation pipe fitting 22 respectively, and the cooling medium inlet 6 and the cooling medium outlet 7 are arranged on two sides of the cooling water inlet 9 respectively. The cooling medium can enter the inside of the heat dissipating pipe member 22 through the cooling medium inlet 6, and further, the cooling medium entering the inside of the heat dissipating pipe member 22 through the cooling medium inlet 6 is purified water. The cooling medium in the heat dissipating pipe 22 flows circularly, and the heat dissipating pipe 22 can be applied to different melting temperatures, linear expansion coefficients and thermal conductivities of dissimilar metals in the backing plate 21, so as to achieve different heat dissipating degrees.

In the welding process, considering that the temperature of the middle position of the tool is high, in the width direction of the backing plate 21, as shown in fig. 3, the pipe diameter of the heat dissipation pipeline is gradually decreased from the middle to the two sides, so as to achieve better heat dissipation.

As shown in fig. 2, the cross section of the backing plate 21 is rectangular, notch grooves 11 are formed in four corners of the backing plate 21, fixing bolts 12 are installed in the notch grooves 11, screws of the fixing bolts 12 can penetrate through the notch grooves 11 in the backing plate 21 to be connected with the bottom of the water tank 1, nuts of the fixing bolts 12 are abutted to the upper surface of the backing plate 21, and the backing plate 21 is stably arranged at the bottom of the water tank 1 through the fixing bolts 12.

In this embodiment, the whole limiting structure 3 is an inverted U-shaped structure, and specifically includes two vertical portions 31 and a cross beam 32 connected between the two vertical portions 31, and the vertical portions 31 are fixed at the bottom of the cross beam 32 and are used for supporting the cross beam 32. The bottom of the vertical part 31 is abutted to the bottom of the water tank 1 and can also be fixedly connected with the bottom of the water tank 1, so that the stability is enhanced. Crossbeam 32 violently establishes the tip that is close to cooling water outlet 10 on backing plate 21, and two vertical portions 31 set up respectively in the both sides of backing plate 21, and the tip of waiting to weld workpiece 8 that places on backing plate 21 is with the lateral part looks butt of crossbeam 32, and crossbeam 32 is treated to weld workpiece 8 and has been played limiting displacement, as shown in fig. 2, in welding process, limiting structure 3 set up can be fine prevent to wait to weld workpiece 8 and remove along its welding seam direction, can set up limiting structure 3 in the position that is close to the welding seam tail end in this embodiment.

In order to further realize the location of waiting to weld work piece 8 on the backing plate 21, as the optional embodiment of the utility model discloses an embodiment, the dissimilar metal welding frock still includes layering 13, and layering 13 sets up between waiting to weld work piece 8 on clamp plate structure 4 and backing plate 21, and the upper surface that the intermediate position department of crossbeam 32 was located highly is less than the height that the upper surface at its both ends was located, and the length of layering 13 is not less than backing plate 21's length. After the workpiece 8 to be welded is placed on the backing plate 21, the pressing strip 13 is pressed above the workpiece 8 to be welded, and the design of the pressing strip 13 is longer than the length of the workpiece 8 to be welded. The length of the workpiece 8 to be welded is smaller than that of the backing plate 21, and if the length of the pressing strip 13 in the embodiment is not smaller than that of the backing plate 21, the length of the pressing strip 13 is certainly larger than that of the workpiece 8 to be welded, so that the workpiece 8 to be welded can be better pressed.

In this embodiment, the backing plate 21 is provided with a plurality of groups of pressure plate structures 4 along both sides of the length direction thereof, for example, in the dissimilar metal welding tool shown in fig. 1 and 2, the backing plate 21 is provided with three groups of pressure plate structures 4 along both sides of the length direction thereof, and the pressure plate structures 4 located on the same side are arranged at intervals along the long side of the backing plate 21. The number of the pressing plate structures 4 is not limited, and can be increased or decreased according to the length of the workpiece 8 to be welded, so as to position the workpiece 8 to be welded on the backing plate 21.

In this embodiment, the pressing plate structure 4 includes a supporting plate 41 and a pressing plate 42, the supporting plate 41 is vertically disposed on the bottom of the water tank 1, the pressing plate 42 is horizontally disposed above the supporting plate 41 and is pressed above the pressing bar 13, and the pressing plate 42 and the supporting plate 41 form an "L" shaped structure.

The middle position of the pressure plate 42 is provided with a long groove 421, the position of the backing plate 21 corresponding to the pressure plate 42 is provided with a U-shaped groove 14 with an outward opening, a positioning bolt 15 is arranged in the U-shaped groove 14, the screw rod of the positioning bolt 15 penetrates through the U-shaped groove 14 on the backing plate 21 to be connected with the bottom of the water tank 1, and the nut of the positioning bolt 15 is abutted against the upper surface of the backing plate 21.

The utility model provides a xenogenesis metal welding frock mainly comprises water tank 1, backing plate subassembly 2, limit structure 3, clamp plate structure 4 and layering 13. When the tool works, a workpiece to be welded is placed on the base plate 21, then the pressing strip 13 and the pressing plate structure 4 are placed according to the length of a welding seam, the workpiece 8 to be welded is placed, a bolt is locked, then the water tank 1 is filled with cooling water, and meanwhile cooling media in the heat dissipation pipe fitting 22 flow in a circulating mode. The underwater welding is beneficial to taking away heat generated on the surface in time and is beneficial to surface forming. The utility model has the advantages of reasonable design, fix a position simple and conveniently to the work piece, through the timely heat of taking away of coolant, improve welding quality, convenient to use reduces staff's the amount of labour, is favorable to extensively promoting.

The above embodiments are only specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of changes or substitutions within the technical scope of the present invention, and all should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a dissimilar metal welding frock, its characterized in that, includes water tank, backing plate subassembly, limit structure and clamp plate structure, the backing plate subassembly limit structure with the clamp plate structure all set up in the water tank, wherein:

the base plate assembly comprises a base plate and a heat dissipation pipe arranged in the base plate, a cooling medium inlet and a cooling medium outlet are formed in the heat dissipation pipe, the cooling medium inlet and the cooling medium outlet are arranged outside the water tank, an accommodating space for accommodating cooling water is formed in the water tank, and the two opposite sides of the base plate are respectively provided with the pressure plate structures for pressing above a workpiece to be welded placed on the base plate; the limiting structure is arranged above the base plate and connected with the bottom of the water tank, and one end part of the workpiece to be welded along the length direction of the welding line of the workpiece to be welded is abutted against the limiting structure.

2. The dissimilar metal welding tool according to claim 1, wherein the water tank comprises a box body in a rectangular parallelepiped structure, the box body comprises two oppositely arranged first side plates and two oppositely arranged second side plates, the length of each first side plate is larger than that of each second side plate, one of the second side plates is provided with a cooling water inlet, the other second side plate is provided with a cooling water outlet, and water nozzles are arranged at the cooling water inlet and the cooling water outlet.

3. The dissimilar metal welding tool according to claim 2, wherein the heat dissipation pipe fitting is of an S-shaped connection bending structure, two ends of the heat dissipation pipe fitting can penetrate through the same second side plate and form the cooling medium inlet and the cooling medium outlet respectively, and the cooling medium inlet and the cooling medium outlet are arranged on two sides of the cooling water inlet respectively.

4. The dissimilar metal welding tool according to claim 2, wherein the cross section of the base plate is rectangular, notch grooves are formed in four corners of the base plate, fixing bolts are installed in the notch grooves, screws of the fixing bolts penetrate through the notch grooves in the base plate to be connected with the bottom of the water tank, and nuts of the fixing bolts are abutted to the upper surface of the base plate.

5. The dissimilar metal welding tool according to claim 4, wherein the limiting structure is of an inverted U-shaped structure integrally and comprises two vertical portions and a cross beam connected between the two vertical portions, the vertical portions are fixedly arranged at the bottom of the cross beam and used for supporting the cross beam, the bottom of each vertical portion is abutted or fixedly connected with the bottom of the water tank, the cross beam is transversely arranged at the end, close to the cooling water outlet, of the base plate, the two vertical portions are respectively arranged on the two sides of the base plate, and the end of a workpiece to be welded, placed on the base plate, is abutted to the side portion of the cross beam.

6. The dissimilar metal welding tool according to claim 5, further comprising a pressing strip, wherein the pressing strip is arranged between the pressure plate structure and the workpiece to be welded on the base plate, the height of the upper surface of the cross beam at the middle position is lower than the height of the upper surfaces of the two ends of the cross beam, and the length of the pressing strip is not less than the length of the base plate.

7. The dissimilar metal welding tool according to claim 1, wherein the backing plate is provided with a plurality of groups of the pressing plate structures on both sides in the length direction of the backing plate, and the pressing plate structures on the same side are arranged at intervals along the long side of the backing plate.

8. The dissimilar metal welding tool according to claim 6, wherein the pressing plate structure comprises a supporting plate and a pressing plate, the supporting plate is vertically placed on the bottom of the water tank, the pressing plate is horizontally arranged above the supporting plate and is pressed above the pressing bar, and the pressing plate and the supporting plate form an L-shaped structure.

9. The dissimilar metal welding tool according to claim 8, wherein a long groove is formed in the middle of the pressing plate, a U-shaped groove with an outward opening is formed in the position, corresponding to the pressing plate, of the base plate, a positioning bolt is arranged in the U-shaped groove, a screw of the positioning bolt penetrates through the U-shaped groove in the base plate and is connected with the bottom of the water tank, and a nut of the positioning bolt abuts against the upper surface of the base plate.

10. The dissimilar metal welding tool according to claim 1, wherein the cooling medium entering the inside of the heat dissipation pipe fitting through the cooling medium inlet is purified water.