Welding positioning tool

Abstract

The utility model discloses a welding positioning tool which comprises a bottom plate located at the lowermost end of the welding positioning tool. The first positioning and fixing assembly is arranged on the top surface of the bottom plate and is used for positioning and fixing the part main body through a mounting flange of the part main body; the second positioning and fixing assembly is arranged on the top face of the bottom plate, located on one side of the first positioning and fixing assembly and used for positioning and fixing the first connecting piece flange. The third positioning and fixing assembly is arranged on the top face of the bottom plate, located on one side of the first positioning and fixing assembly and used for positioning and fixing the second connecting piece flange. The welding positioning tool is simple in structure and convenient to install, machining difficulty is lowered, positioning is accurate, welding quality of part assemblies is ensured, production cost is lowered, and machining efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of part welding, in particular to a welding positioning tooling. Background Art

[0002] Many part assemblies are formed by assembling and welding multiple parts. For some part assemblies with high positional accuracy requirements, the assembly accuracy of each part is required to be high. For example, Figures 1 to 3 the shown part assembly includes a main body. A mounting flange is integrally provided on the outer periphery of the main body near the bottom end. One side of the part main body is connected to a first connection flange through a first elbow pipe, and the top of the part main body is connected to a second connection flange through a second elbow pipe. When performing vacuum brazing on this part assembly, it is necessary to ensure the positional accuracy among the part main body, the first connection flange, and the second connection flange. Therefore, a welding positioning tooling with a simple structure and convenient installation is designed to position and clamp this part assembly, with accurate positioning, high processing efficiency, and ensuring the welding quality of the part assembly. Summary of the Utility Model

[0003] In view of the above defects or deficiencies in the prior art, it is desired to provide a welding positioning tooling with a simple structure, convenient installation, accurate positioning, high processing efficiency, and ensuring the welding quality of part assemblies.

[0004] A welding positioning tooling provided by the utility model includes:

[0005] A bottom plate, located at the lowermost end of the welding positioning tooling;

[0006] A first positioning and fixing component, arranged on the top surface of the bottom plate, for positioning and fixing the part main body through the mounting flange of the part main body;

[0007] A second positioning and fixing component, arranged on the top surface of the bottom plate, on one side of the first positioning and fixing component, for positioning and fixing the first connecting piece flange;

[0008] A third positioning and fixing component, arranged on the top surface of the bottom plate, on one side of the first positioning and fixing component, for positioning and fixing the second connecting piece flange.

[0009] Further, the first positioning and fixing component includes positioning pins, pressing plates, and screws. Avoidance holes are opened on the bottom plate corresponding to the bottom end of the part main body. Pin holes are opened on the outer periphery of the avoidance holes corresponding to the mounting holes on the mounting flange. The part main body is positioned and installed on the bottom plate through at least two positioning pins. A plurality of pressing plates are evenly distributed on the outer periphery of the mounting flange. One end of the pressing plate presses on the mounting flange, and a support block is arranged between the bottom of the other end and the bottom plate. The middle part of the pressing plate is fixedly connected to the bottom plate through screws.

[0010] Further, the second positioning and fixing component includes two first support columns fixedly arranged on the bottom plate. A first screw rod is fixedly arranged at the top end of each first support column. A first support plate is arranged at the top ends of the two first support columns. First through holes are formed in the first support plate corresponding to the first screw rods. The first screw rods pass through the corresponding first through holes and are threadedly connected with first locking nuts. At least two first positioning holes are formed in the first support plate corresponding to the mounting holes on the flange of the first connecting piece. First positioning and fixing bolts are arranged on the positioning holes.

[0011] Further, the third positioning and fixing component includes two second support columns fixedly arranged on the bottom plate. A second screw rod is fixedly arranged at the top end of each second support column. A second support plate is arranged at the top ends of the two second support columns. Second through holes are formed in the second support plate corresponding to the second screw rods. The second screw rods pass through the corresponding second through holes and are threadedly connected with second locking nuts. At least two second positioning holes are formed in the second support plate corresponding to the mounting holes on the flange of the second connecting piece. Second positioning and fixing bolts are arranged on the positioning holes.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0013] The positioning tooling of the present utility model is provided with a first positioning and fixing component, a second positioning and fixing component, and a third positioning and fixing component. The main body of the part is positioned and fixed through the first positioning and fixing component. The flange of the first connecting piece is positioned and fixed through the second positioning and fixing component. The flange of the second connecting piece is positioned and fixed through the third positioning and fixing component, ensuring the positional accuracy between the components of the part assembly. The positioning tooling of the present application has a simple structure, is convenient to install, reduces the processing difficulty, has accurate positioning, ensures the welding quality of the part assembly, reduces the production cost, and improves the processing efficiency.

[0014] It should be understood that the content described in the utility model content part is not intended to limit the key or important features of the embodiments of the present utility model, nor is it used to limit the scope of the present utility model. Other features of the present utility model will become easily understood through the following description. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] By reading the detailed description of the non-limiting embodiments with reference to the following drawings, other features, purposes, and advantages of the present utility model will become more obvious:

[0016] Figure 1 It is a top view structural schematic diagram of the part;

[0017] Figure 2 is Figure 1 the sectional structural schematic diagram at A-A in

[0018] Figure 3 is Figure 1Schematic cross-sectional structure diagram at B-B in the middle;

[0019] Figure 4 Front view structure diagram of the positioning tooling;

[0020] Figure 5 Top view structure diagram of the positioning tooling.

[0021] Reference numerals in the figure: 1, base plate; 2, first positioning and fixing component; 3, second positioning and fixing component; 4, third positioning and fixing component; 5, part component;

[0022] 11, avoidance hole; 12, pin hole;

[0023] 21, positioning pin; 22, screw;

[0024] 31, first support column; 32, first support plate; 33, first locking nut; 34, first screw rod; 35, first positioning and fixing bolt;

[0025] 41, second support column; 42, second support plate; 43, second locking nut; 44, second screw rod; 45, second positioning and fixing bolt;

[0026] 51, part main body; 52, mounting flange; 53, first elbow pipe; 54, first connecting piece flange; 55, second elbow pipe; 56, second connecting piece flange. Detailed implementation manners

[0027] The following further details the present utility model in conjunction with the drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the related utility model, rather than limiting the utility model. Additionally, it should be noted that for the convenience of description, only the parts related to the utility model are shown in the drawings.

[0028] It should be noted that, without conflict, the embodiments in the present utility model and the features in the embodiments can be combined with each other. The following will detail the present utility model with reference to the drawings and in conjunction with the embodiments.

[0029] Please refer to Figures 1 to 5 , the embodiments of the present utility model provide a welding positioning tooling, including:

[0030] Base plate 1, located at the lowermost end of the welding positioning tooling;

[0031] First positioning and fixing component 2, arranged on the top surface of the base plate 1, for positioning and fixing the part main body 51 through its mounting flange 52;

[0032] The second positioning and fixing component 3 is arranged on the top surface of the bottom plate 1, on one side of the first positioning and fixing component 2, and is used for positioning and fixing the first connecting piece flange 54;

[0033] The third positioning and fixing component 4 is arranged on the top surface of the bottom plate 1, on one side of the first positioning and fixing component 2, and is used for positioning and fixing the second connecting piece flange 56.

[0034] In this embodiment, when machining the part assembly 5, first place the welding positioning tooling on the horizontal operation platform, place the part main body 51 above the bottom plate 1, and use the first fixing component 2 to position and fix it through the mounting flange 52 of the part main body 51; then butt one end of the first elbow pipe 53 with the part main body 51, butt the first connecting piece flange 54 with the other end of the first elbow pipe 53, and then use the second fixing component 3 to position and fix the first connecting piece flange 54; then butt one end of the second elbow pipe 55 with the part main body 51, butt the second connecting piece flange 56 with the other end of the second elbow pipe 55, and then use the third fixing component 4 to position and fix the second connecting piece flange 56.

[0035] At this time, the part assembly 5 and the welding positioning tooling can be placed into the vacuum brazing equipment together for welding connection. The welding positioning tooling of the present application has a simple structure, is convenient to install, reduces the processing difficulty, has accurate positioning, ensures the welding quality of the part assembly 5, reduces the production cost, and improves the processing efficiency.

[0036] In a preferred embodiment, the first positioning and fixing component 2 includes positioning pins 21, pressing plates and screws 22. Avoidance holes 11 are opened on the bottom plate 1 corresponding to the bottom end of the part main body 51. Pin holes 12 are opened on the outer periphery of the avoidance holes 11 corresponding to the mounting holes on the mounting flange 52. The part main body 51 is positioned and installed on the bottom plate 1 through at least two positioning pins 21. A plurality of pressing plates are evenly distributed on the outer periphery of the mounting flange 52. One end of the pressing plate presses on the mounting flange 52, and a support block is arranged between the bottom of the other end and the bottom plate 1. The middle part of the pressing plate is fixedly connected to the bottom plate 1 through screws 22.

[0037] In this embodiment, when positioning the part main body 51, insert the boss at the bottom end of the part main body 51 into the corresponding avoidance hole 11 on the bottom plate 1 to ensure that the mounting flange 52 of the part main body 51 is attached to the top surface of the bottom plate 1; align the mounting holes on the mounting flange 52 with the pin holes 12, and insert at least two positioning pins 21 into the corresponding pin holes 12 and the mounting holes on the mounting flange 52 respectively to realize the positioning of the part main body 51; press one end of the pressing plate on the mounting flange 52, place the other end above the support block, pass the screw 22 through the middle part of the pressing plate and thread it with the bottom plate 1, and tighten each screw 22 one by one, then the mounting flange 52 can be tightly pressed and fixed through each pressing plate, and the positioning of the part main body is accurate and the fixing is firm.

[0038] In a preferred embodiment, the second positioning and fixing assembly 3 includes two first support columns 31 fixedly arranged on the bottom plate 1. At the top of the first support column 31, a first screw rod 34 is fixedly arranged. At the top of the two first support columns 31, a first support plate 32 is arranged. A first through hole is formed in the first support plate 32 corresponding to the first screw rod 34. The first screw rod 34 passes through the corresponding first through hole and is threadedly connected with a first locking nut 33. At least two first positioning holes are formed in the first support plate 32 corresponding to the mounting holes on the first connecting piece flange 54. First positioning and fixing bolts 35 are arranged on the positioning holes.

[0039] In this embodiment, when positioning and fixing the first connecting piece flange 54, each first screw rod 34 at the top of the first support column 31 respectively passes through the corresponding first through hole on the first support plate 32, and then the first locking nut 33 is installed at the top of the first screw rod 34 and tightened, ensuring the firm connection between the first support column 31 and the first support plate 32;

[0040] Then, one end of the first elbow 53 is butted against the part main body 51, the other end is butted against the first connecting piece flange 54, and then the first connecting piece flange 54 is placed at the bottom of the first support plate 32, so that the mounting holes on the first connecting piece flange 54 are aligned with the first positioning holes on the first support plate 32, and the first positioning and fixing bolts 35 are respectively inserted into the corresponding mounting holes and first positioning holes, ensuring the firm connection between the first connecting piece flange 54 and the first support plate 32 and realizing the accurate positioning of the first connecting piece flange 54.

[0041] In a preferred embodiment, the third positioning and fixing assembly 4 includes two second support columns 41 fixedly arranged on the bottom plate 1. At the top of the second support column 41, a second screw rod 44 is fixedly arranged. At the top of the two second support columns 41, a second support plate 42 is arranged. A second through hole is formed in the second support plate 42 corresponding to the second screw rod 44. The second screw rod 44 passes through the corresponding second through hole and is threadedly connected with a second locking nut 43. At least two second positioning holes are formed in the second support plate 42 corresponding to the mounting holes on the second connecting piece flange 56. Second positioning and fixing bolts 45 are arranged on the positioning holes.

[0042] In this embodiment, when positioning and fixing the second connecting piece flange 56, each second screw rod 44 at the top of the second support column 41 respectively passes through the corresponding second through hole on the second support plate 42, and then the second locking nut 43 is installed at the top of the second screw rod 44 and tightened, ensuring the firm connection between the second support column 41 and the second support plate 42;

[0043] Connect one end of the second elbow pipe 55 to the part main body 51, and the other end to the second connecting piece flange 56. Then place the second connecting piece flange 56 at the bottom of the second support plate 42, align the mounting holes on the second connecting piece flange 56 with the second positioning holes on the second support plate 42, and insert the second positioning fixing bolts 45 into the corresponding mounting holes and second positioning holes respectively, ensuring the stable connection between the second connecting piece flange 56 and the second support plate 42 and achieving the accurate positioning of the second connecting piece flange 56.

[0044] In the description of this specification, terms such as "connection", "installation", "fixation", etc. should all be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0045] In the description of this specification, the description of terms such as "one embodiment", "some embodiments", etc. means that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of this application. In this specification, the schematic expressions of the above terms do not necessarily refer to the same embodiment or instance. Moreover, the specific features, structures, materials, or characteristics described can be combined in a suitable manner in any one or more embodiments or examples.

[0046] The above are only the preferred embodiments of this application and are not used to limit this application. For those skilled in the art, this application can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of this application shall be included within the protection scope of this application.

Claims

1. A welding positioning tool, characterized in that: include: A bottom plate (1) is located at the bottom end of the welding positioning tool; A first positioning and fixing assembly (2) is arranged on the top surface of the base plate (1) and is used to position and fix the component body (51) through a mounting flange (52) of the component body; A second positioning and fixing component (3) is arranged on the top surface of the base plate (1) and is located on one side of the first positioning and fixing component (2), and is used to position and fix the first connecting member flange (54); The third positioning and fixing component (4) is arranged on the top surface of the base plate (1) and is located on one side of the first positioning and fixing component (2), and is used to position and fix the second connecting member flange (56).

2. The welding positioning tool according to claim 1, characterized in that: The first positioning and fixing component (2) comprises a positioning pin (21), a pressure plate and a screw (22); a relief hole (11) is provided on the bottom plate (1) corresponding to the bottom end of the part body (51); a pin hole (12) is provided on the periphery of the relief hole (11) corresponding to the mounting hole on the mounting flange (52); the part body (51) is positioned and mounted on the bottom plate (1) by at least two of the positioning pins (21); a plurality of pressure plates are evenly distributed on the periphery of the mounting flange (52); one end of the pressure plate is pressed on the mounting flange (52); a support block is provided between the bottom of the other end and the bottom plate (1); and the middle part of the pressure plate is fixedly connected to the bottom plate (1) by a screw (22).

3. The welding positioning tool according to claim 1, characterized in that: The second positioning and fixing assembly (3) comprises two first support columns (31) fixedly arranged on the base plate (1), a first screw rod (34) being fixedly arranged at the top end of each of the first support columns (31), a first support plate (32) being arranged at the top end of the two first support columns (31), a first through hole being opened on the first support plate (32) corresponding to the first screw rod (34), the first screw rod (34) passing through the corresponding first through hole and being threadedly connected with a first locking nut (33), at least two first positioning holes being opened on the first support plate (32) corresponding to the mounting holes on the first connecting member flange (54), and first positioning and fixing bolts (35) being arranged on each of the positioning holes.

4. The welding positioning tool according to claim 1, characterized in that: The third positioning and fixing assembly (4) comprises two second support columns (41) fixedly arranged on the base plate (1), a second screw rod (44) being fixedly arranged at the top end of each of the second support columns (41), a second support plate (42) being arranged at the top end of each of the two second support columns (41), a second through hole being opened on the second support plate (42) corresponding to the second screw rod (44), the second screw rod (44) passing through the corresponding second through hole and being threadedly connected with a second locking nut (43), at least two second positioning holes being opened on the second support plate (42) corresponding to the mounting holes on the second connecting member flange (56), and second positioning and fixing bolts (45) being arranged on each of the positioning holes.

Images