Welding, assembling and positioning tool for header pipe assembly

Abstract

The invention discloses a main pipe assembly welding, assembling and positioning tool which comprises a bottom plate. The fixing assembly is fixedly arranged on the top surface of the bottom plate; the first positioning assembly is fixedly arranged on the top face of the bottom plate and located on one side of the fixing assembly. The second positioning assembly is fixedly arranged on the top face of the bottom plate and located on one side of the fixing assembly. The third positioning assembly is fixedly arranged on the top surface of the bottom plate; the fourth positioning assembly is fixedly arranged on the top face of the bottom plate and located on one side of the fixing assembly. The positioning tool is convenient to operate and accurate in positioning, the welding quality of the header pipe assembly is ensured, and the machining efficiency is high.

Description

Technical Field

[0001] The invention relates to the technical field of parts processing, in particular to a welding assembly positioning tool for a main pipe component. Background Art

[0002] like Figure 1 When processing the main pipe assembly shown, its components need to be assembled together and then flame brazed to form. The main pipe assembly includes a semicircular main pipe, on which a number of branch pipes are connected through branch pipe nozzles, a tee is connected to the outside of the main pipe, and joints are connected to both ends of the main pipe. When welding each component, the position and angle need to be ensured. For this purpose, a main pipe assembly welding assembly positioning tool is designed to achieve rapid and accurate positioning of the main pipe assembly to ensure its welding quality. Summary of the invention

[0003] In view of the above-mentioned defects or deficiencies in the prior art, it is desired to provide a main pipe assembly welding assembly positioning tool that is easy to operate and has precise positioning, thereby ensuring the welding quality of the main pipe assembly and having high processing efficiency.

[0004] The present invention provides a main pipe assembly welding assembly positioning tool, comprising:

[0005] Base plate;

[0006] A fixing assembly, fixedly arranged on the top surface of the bottom plate, and used for positioning and fixing the main pipe of the main pipe assembly;

[0007] A first positioning assembly, fixedly arranged on the top surface of the bottom plate, located on one side of the fixing assembly, and used for positioning the branch pipe nozzle of the main pipe assembly;

[0008] A second positioning assembly is fixedly arranged on the top surface of the bottom plate, located on one side of the fixing assembly, and is used to position the tee of the main pipe assembly;

[0009] A third positioning assembly is fixedly disposed on the top surface of the bottom plate and is used to position the joints at both ends of the main pipe;

[0010] The fourth positioning component is fixedly arranged on the top surface of the base plate and is located on one side of the fixing component, and is used for positioning the branch pipe of the main pipe component.

[0011] Furthermore, two moving rods are fixedly connected to both sides of the bottom plate.

[0012] Furthermore, the fixing assembly includes a plurality of positioning seats fixedly arranged on the top surface of the base plate, the plurality of positioning seats are distributed in an arc shape adapted to the main pipe, a positioning groove matching the contour of the main pipe is provided on the top of the positioning seat, a pressure block is provided above the positioning groove, the pressure block is fixedly connected to the positioning seat by screws, and a pressure groove matching the contour of the main pipe is provided on the bottom of the pressure block.

[0013] Furthermore, the first positioning assembly includes a first support and a first positioning pin; the top surface of the bottom plate is located on one side of the fixing assembly and is fixedly provided with the first support corresponding to the branch pipe nozzle one by one, the top end of the first support extends to the top of the corresponding branch pipe nozzle and is provided with a first positioning hole; the bottom end of the first positioning pin passes through the first positioning hole with a clearance fit, and is fixedly connected with a first positioning head with a clearance fit with the branch pipe nozzle; the first positioning pin is provided with a first limiting portion for limiting the length of the pin passing through the first positioning hole.

[0014] Furthermore, the second positioning assembly includes a second support and a second positioning pin; the second support is fixedly arranged on the top surface of the base plate, and a second positioning hole is opened on it; one end of the second positioning pin passes through the second positioning hole with a clearance fit, and is fixedly connected to a second positioning head that is clearance fit with the tee; a second limiting portion is arranged on the second positioning pin, which is used to limit the length of the second positioning pin passing through the second positioning hole.

[0015] Furthermore, the third positioning assembly includes a third support and a third positioning pin; the third support is fixedly arranged on the top surface of the base plate, and a third positioning hole is opened on it; one end of the third positioning pin passes through the third positioning hole with a clearance fit, and is fixedly connected to a third positioning head that cooperates with the joint clearance; the third positioning pin is provided with a third limiting portion for limiting the length of the third positioning pin passing through the third positioning hole.

[0016] Furthermore, the fourth positioning assembly includes a fourth support and a fourth positioning pin; the top surface of the base plate is located on one side of the fixing assembly and is fixedly provided with the fourth support corresponding to the branch pipe one by one, the top end of the fourth support extends to the top of the corresponding branch pipe and is provided with a fourth positioning hole; the bottom end of the fourth positioning pin passes through the fourth positioning hole with a clearance fit, and is fixedly connected with a fourth positioning head with a clearance fit with the branch pipe; the fourth positioning pin is provided with a fourth limiting portion for limiting the length of it passing through the fourth positioning hole.

[0017] Compared with the prior art, the beneficial effects of the present invention are:

[0018] The positioning tool of the present invention is provided with a fixing component, a first positioning component, a second positioning component, a third positioning component and a fourth positioning component; when welding the main pipe assembly, firstly, the main pipe is positioned and fixed by the fixing component, then the branch pipe nozzle is positioned by the first positioning component, the tee is positioned by the second positioning component, and the joint is positioned by the third positioning component; at this time, the first brazing of the main pipe assembly is performed. Then, the bottom end of each branch pipe is inserted into the corresponding branch pipe nozzle one by one, and the top end of the branch pipe is positioned by the fourth positioning component, and the second brazing of the main pipe assembly is performed at this time. The positioning tool of the present application is convenient to operate and has accurate positioning, which ensures the welding quality of the main pipe assembly and has high processing efficiency.

[0019] It should be understood that the contents described in the summary of the invention are not intended to limit the key or important features of the embodiments of the present invention, nor are they intended to limit the scope of the present invention. Other features of the present invention will become easily understood through the following description. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Other features, objects and advantages of the present invention will become more apparent from the detailed description of non-limiting embodiments made with reference to the following drawings:

[0021] Figure 1 is a schematic diagram of the structure of the main pipe assembly;

[0022] Figure 2 It is a structural schematic diagram of the positioning tooling;

[0023] Figure 3 It is a schematic diagram of the structure of the fixed component;

[0024] Figure 4 is a structural schematic diagram of a first positioning component;

[0025] Figure 5 is a structural schematic diagram of a second positioning component;

[0026] Figure 6 is a structural schematic diagram of a third positioning component;

[0027] Figure 7 is a structural schematic diagram of a fourth positioning component;

[0028] Figure 8 Schematic diagram of the assembly structure for the first welding of the main pipe assembly;

[0029] Fig. 9 Schematic diagram of the assembly structure for the second welding of the main pipe assembly.

[0030] Numbers in the figure: 1, bottom plate; 2, fixing assembly; 3, first positioning assembly; 4, second positioning assembly; 5, third positioning assembly; 6, fourth positioning assembly; 7, main pipe assembly;

[0031] 11. Move the rod;

[0032] 21. Positioning seat; 22. Positioning groove; 23. Pressing block; 24. Screw; 25. Pressing groove;

[0033] 31. first support; 32. first positioning pin; 33. first positioning head;

[0034] 41. second support; 42. second positioning pin; 43. second positioning head; 44. second limiting portion;

[0035] 51. a third support; 52. a third positioning pin; 53. a third positioning head; 54. a third limiting portion;

[0036] 61. fourth support; 62. fourth positioning pin; 63. fourth positioning head;

[0037] 71. Main pipe; 72. Branch pipe nozzle; 73. Tee; 74. Connector; 75. Branch pipe. DETAILED DESCRIPTION

[0038] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the relevant invention, rather than to limit the invention. It should also be noted that, for ease of description, only the parts related to the invention are shown in the accompanying drawings.

[0039] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0040] Please refer to Figures 1 to 9 The embodiment of the present invention provides a manifold assembly welding and positioning tool, comprising:

[0041] Bottom plate 1;

[0042] The fixing assembly 2 is fixedly arranged on the top surface of the bottom plate 1 and is used to position and fix the main pipe 71 of the main pipe assembly 7;

[0043] The first positioning component 3 is fixedly arranged on the top surface of the bottom plate 1 and located on one side of the fixing component 2, and is used to position the branch pipe nozzle 72 of the main pipe component 7;

[0044] The second positioning component 4 is fixedly arranged on the top surface of the bottom plate 1 and located on one side of the fixing component 2, and is used to position the tee 73 of the main pipe component 7;

[0045] The third positioning assembly 5 is fixedly disposed on the top surface of the bottom plate 1 and is used to position the joints 74 at both ends of the main pipe 71;

[0046] The fourth positioning component 6 is fixedly disposed on the top surface of the base plate 1 and is located on one side of the fixing component 2 , and is used for positioning the branch pipe 75 of the main pipe component 7 .

[0047] In this embodiment, when welding the main pipe assembly 7, firstly, the branch pipe nozzle 72 and the tee 73 are put on the main pipe 71, and corresponding joints 74 are respectively arranged at both ends of the main pipe 71; then the main pipe 71 is placed on the fixing assembly 2, and the joints 74 at both ends of the main pipe 71 are positioned by the third positioning assembly 5 to assist in positioning the main pipe 71, and then the main pipe 71 is positioned and fixed by the fixing assembly 2;

[0048] Then the branch pipe nozzle 72 is positioned by the first positioning component 3, and the tee 73 is positioned by the second positioning component 4; at this time, the first brazing of the main pipe component 7 is performed to weld the main pipe 71, the branch pipe nozzle 72, the tee 73 and the joint 74 together.

[0049] Then, the bottom end of each branch pipe 75 is inserted into the corresponding branch pipe nozzle 72 one by one, and the top end of the branch pipe 75 is positioned by the fourth positioning assembly 6; at this time, the second brazing of the main pipe assembly 7 is performed to weld the branch pipe 75 to the branch pipe nozzle 72, and the welding connection of the main pipe assembly 7 is completed. The positioning tool of the present application is easy to operate and has accurate positioning, which ensures the welding quality of the main pipe assembly 7 and has high processing efficiency.

[0050] In a preferred embodiment, if Figure 2 As shown, two moving rods 11 are fixedly connected to both sides of the base plate 1 to facilitate the movement of the positioning tool.

[0051] In a preferred embodiment, if Figure 3 and Figure 8 As shown, the fixing assembly 2 includes a plurality of positioning seats 21 fixedly arranged on the top surface of the base plate 1, and the plurality of positioning seats 21 are distributed in an arc shape adapted to the main pipe 71. A positioning groove 22 matching the contour of the main pipe 71 is provided on the top of the positioning seat 21, and a pressing block 23 is provided above the positioning groove 22. The pressing block 23 is fixedly connected to the positioning seat 21 by a screw 24, and a pressing groove 25 matching the contour of the main pipe 71 is provided at the bottom of the pressing block 23.

[0052] In this embodiment, the positioning seat 21 is arranged according to the design curvature of the main pipe 71, and the main pipe 71 is inserted into each positioning groove 22 to complete the preliminary positioning; the joints 74 at both ends of the main pipe 71 are then positioned by the third positioning assembly 5 to assist in completing the accurate positioning of the main pipe 71; then, each pressing block 23 is fixed to the positioning seat 21 one by one by means of screws 24, and the positioning groove 22 and the pressing groove 25 cooperate to hold and fix the main pipe 71, so that the positioning is accurate and the fixation is firm, thereby ensuring the welding quality of the main pipe assembly 7.

[0053] In a preferred embodiment, if Figure 4 and Figure 8 As shown, the first positioning component 3 includes a first support 31 and a first positioning pin 32; the top surface of the base plate 1 is located on one side of the fixing component 2 and is fixedly provided with a first support 31 corresponding to the branch pipe nozzle 72 one by one, and the top end of the first support 31 extends to the top of the corresponding branch pipe nozzle 72 and is provided with a first positioning hole; the bottom end of the first positioning pin 32 passes through the first positioning hole with a clearance fit, and is fixedly connected with a first positioning head 33 with a clearance fit with the branch pipe nozzle 72; the first positioning pin 32 is provided with a first limiting portion for limiting the length of the first positioning pin passing through the first positioning hole.

[0054] In this embodiment, when positioning the branch pipe nozzle 72, the bottom end of the first positioning pin 32 is passed through the first positioning hole, and then the position of the branch pipe nozzle 72 is adjusted, and the first positioning head 33 is inserted into the branch pipe nozzle 72, so that the positioning of the branch pipe nozzle 72 is achieved, the operation is convenient, the positioning is accurate, and the welding quality of the main pipe assembly 7 is ensured.

[0055] In a preferred embodiment, if Figure 5 and Figure 8 As shown, the second positioning assembly 4 includes a second support 41 and a second positioning pin 42; the second support 41 is fixedly arranged on the top surface of the base plate 1, and a second positioning hole is opened thereon; one end of the second positioning pin 42 passes through the second positioning hole with a clearance fit, and is fixedly connected to a second positioning head 43 with a clearance fit with the tee 73; a second limiting portion 44 is provided on the second positioning pin 42, which is used to limit the length of the second positioning pin passing through the second positioning hole.

[0056] In this embodiment, when positioning the tee 73, the second positioning pin 42 is passed through the second positioning hole, and then the position of the tee 73 is adjusted, and the second positioning head 43 is inserted into the tee 73, so that the positioning of the tee 73 is achieved, the operation is convenient, the positioning is accurate, and the welding quality of the main pipe assembly 7 is ensured.

[0057] In a preferred embodiment, if Figure 6 and Figure 8 As shown, the third positioning assembly 5 includes a third support 51 and a third positioning pin 52; the third support 51 is fixedly arranged on the top surface of the base plate 1, and a third positioning hole is opened on it; one end of the third positioning pin 52 passes through the third positioning hole with a clearance fit, and is fixedly connected to a third positioning head 53 with a clearance fit with the joint 74; a third limiting portion 54 is arranged on the third positioning pin 52, which is used to limit the length of the third positioning pin passing through the third positioning hole.

[0058] In this embodiment, when positioning the joint 74, the third positioning pin 52 is passed through the third positioning hole, and then the position of the joint 74 is adjusted, and the third positioning head 53 is inserted into the joint 74, so that the positioning of the joint 74 is achieved. The operation is convenient and the positioning is accurate, ensuring the welding quality of the main pipe assembly 7.

[0059] In a preferred embodiment, if Figure 7 and Fig. 9 As shown, the fourth positioning component 6 includes a fourth support 61 and a fourth positioning pin 62; the top surface of the base plate 1 is located on one side of the fixing component 2 and is fixedly provided with the fourth support 61 corresponding to the branch pipe 75 one by one, the top end of the fourth support 61 extends to the top of the corresponding branch pipe 75 and is provided with a fourth positioning hole; the bottom end of the fourth positioning pin 62 passes through the fourth positioning hole with a clearance fit, and is fixedly connected with a fourth positioning head 63 with a clearance fit with the branch pipe 75; the fourth positioning pin 62 is provided with a fourth limiting portion for limiting the length of the fourth positioning pin passing through the fourth positioning hole.

[0060] In this embodiment, when positioning the branch pipe 75, the bottom end of the fourth positioning pin 62 is passed through the fourth positioning hole, and then the position of the top end of the branch pipe 75 is adjusted, and the third positioning head 53 is inserted into the top end of the branch pipe 75, thereby achieving the positioning of the branch pipe 75. The operation is convenient and the positioning is accurate, thereby ensuring the welding quality of the main pipe assembly 7.

[0061] In some embodiments, the limiting portion on each locating pin is a step structure or a convex ring structure, and the insertion depth of the locating pin is positioned by the limiting portion to ensure that the locating head is inserted into the corresponding structural hole of the main pipe assembly 7 at an appropriate depth.

[0062] In the description of this specification, the terms "connection", "installation", "fixation" and the like should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0063] In the description of this specification, the description of the terms "one embodiment", "some embodiments", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0064] The above are only preferred embodiments of the present application and are not intended to limit the present application. For those skilled in the art, the present application may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A main pipe assembly welding assembly positioning tool, characterized in that: include: Bottom plate (1); A fixing assembly (2) is fixedly arranged on the top surface of the bottom plate (1) and is used to position and fix the main pipe (71) of the main pipe assembly (7); A first positioning component (3) is fixedly arranged on the top surface of the bottom plate (1) and is located on one side of the fixing component (2), and is used to position the branch pipe nozzle (72) of the main pipe component (7); A second positioning component (4) is fixedly arranged on the top surface of the bottom plate (1) and is located on one side of the fixing component (2), and is used to position the tee (73) of the main pipe component (7); A third positioning assembly (5) is fixedly arranged on the top surface of the bottom plate (1) and is used to position the joints (74) at both ends of the main pipe (71); A fourth positioning component (6) is fixedly arranged on the top surface of the base plate (1) and is located on one side of the fixing component (2), and is used to position the branch pipe (75) of the main pipe component (7).

2. The main pipe assembly welding assembly positioning tool according to claim 1, characterized in that: Two moving rods (11) are fixedly connected to the two sides of the bottom plate (1).

3. The main pipe assembly welding assembly positioning tool according to claim 1, characterized in that: The fixing assembly (2) comprises a plurality of positioning seats (21) fixedly arranged on the top surface of the base plate (1), the plurality of positioning seats (21) being distributed in an arc shape adapted to the main pipe (71), a positioning groove (22) matching the contour of the main pipe (71) being provided on the top of the positioning seat (21), a pressing block (23) being provided above the positioning groove (22), the pressing block (23) being fixedly connected to the positioning seat (21) by means of a screw (24), and a pressing groove (25) matching the contour of the main pipe (71) being provided on the bottom of the pressing block (23).

4. The main pipe assembly welding assembly positioning tool according to claim 1, characterized in that: The first positioning assembly (3) comprises a first support (31) and a first positioning pin (32); the top surface of the bottom plate (1) is located on one side of the fixing assembly (2) and is fixedly provided with the first support (31) corresponding to the branch pipe nozzle (72) one by one, the top end of the first support (31) extends to the top of the corresponding branch pipe nozzle (72) and is provided with a first positioning hole; the bottom end of the first positioning pin (32) passes through the first positioning hole with a clearance fit and is fixedly connected with a first positioning head (33) with a clearance fit with the branch pipe nozzle (72); the first positioning pin (32) is provided with a first limiting portion for limiting the length of the first positioning pin passing through the first positioning hole.

5. The main pipe assembly welding assembly positioning tool according to claim 1, characterized in that: The second positioning assembly (4) comprises a second support (41) and a second positioning pin (42); the second support (41) is fixedly arranged on the top surface of the base plate (1) and is provided with a second positioning hole; one end of the second positioning pin (42) passes through the second positioning hole with a clearance fit and is fixedly connected to a second positioning head (43) with a clearance fit with the tee (73); a second limiting portion (44) is provided on the second positioning pin (42) for limiting the length of the second positioning pin passing through the second positioning hole.

6. The main pipe assembly welding assembly positioning tool according to claim 1, characterized in that: The third positioning assembly (5) comprises a third support (51) and a third positioning pin (52); the third support (51) is fixedly arranged on the top surface of the base plate (1) and is provided with a third positioning hole; one end of the third positioning pin (52) passes through the third positioning hole with a clearance fit and is fixedly connected to a third positioning head (53) with a clearance fit with the joint (74); the third positioning pin (52) is provided with a third limiting portion (54) for limiting the length of the third positioning pin passing through the third positioning hole.

7. The main pipe assembly welding assembly positioning tool according to claim 1, characterized in that: The fourth positioning assembly (6) comprises a fourth support (61) and a fourth positioning pin (62); the top surface of the base plate (1) is located on one side of the fixing assembly (2) and is fixedly provided with the fourth support (61) corresponding to the branch pipe (75) one by one, the top end of the fourth support (61) extends to the top of the corresponding branch pipe (75) and is provided with a fourth positioning hole; the bottom end of the fourth positioning pin (62) passes through the fourth positioning hole with a clearance fit and is fixedly connected with a fourth positioning head (63) with a clearance fit with the branch pipe (75); the fourth positioning pin (62) is provided with a fourth limiting portion for limiting the length of the fourth positioning pin passing through the fourth positioning hole.

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