Engine exhaust assembly welding tool

Abstract

The utility model provides an engine exhaust assembly welding tool, and relates to the technical field of engine exhaust assembly welding tools, the engine exhaust assembly welding tool comprises a base, and a clamping device is arranged on one side of the base. The engine assembly can be arranged on the top of the base in a sleeving mode, the center connecting rod of the engine assembly is placed in the round hole and connected with the base, the concentricity of the installation edge and the inner ring is ensured, then the adjusting screw is screwed to drive the expansion block to be pressed downwards in place, the supporting block is ejected outwards in the inner wall of the sliding groove, and the appearance of the installation edge is fixed. Then the extrusion screw is tightened to abut against and fix the ejected supporting block, the mounting seat and the mounting edge of the assembly are fixed and limited to facilitate welding treatment, the welding deformation is reduced, the welding quality is improved, meanwhile, the expansion operation is simple, only the adjusting screw needs to be tightened to press the expansion block in place, and the expansion efficiency is improved. And a lot of operation time is saved.

Description

Technical Field

[0001] The utility model relates to the technical field of welding tooling for engine exhaust components, in particular to welding tooling for engine exhaust components. Background Art

[0002] The engine exhaust component parts are trumpet-shaped diffuser structures, mainly used for exhaust boosting. The exhaust components are mainly made of various special-shaped parts welded and repaired.

[0003] When using a welding machine to weld the engine assembly, since the engine assembly is made of 9 large-sized thin plates that are deep-drawn and welded, the parts have irregular shapes and complex combined structures. Therefore, when welding the assembly structure, large deformation is likely to occur, affecting the quality of the welding. Utility Model Content

[0004] The utility model proposes an engine exhaust assembly welding tool to solve the problem that when a welding machine is used to weld an engine assembly, since the engine assembly is formed by deep drawing and welding of 9 large-sized thin plates, the parts have irregular shapes and a complex combined structure, and therefore a large amount of deformation is easily caused when the assembly structure is welded, thereby affecting the quality of welding.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an engine exhaust component welding tooling comprises a base, a clamping device is arranged on one side of the base, an adjusting device is symmetrically arranged on the bottom of the base, the clamping device comprises a supporting block, a plurality of sliding grooves are opened on one side of the base, the inner wall of the sliding groove is slidably connected with the supporting block, an extrusion screw is penetrated and connected with the bottom of the sliding groove, the extrusion screw abuts against the supporting block, an adjusting screw is penetrated and connected with the inner wall of the sliding groove, a tightening block is threadedly connected with the outer surface of the adjusting screw, the tightening block is slidably connected with the sliding groove, and a circular hole is opened on one side of the base.

[0006] The effect achieved by the above-mentioned components is: by setting up the clamping device, when installing the engine assembly, the engine assembly can be sleeved on the top of the base, so that its center connecting rod is placed in the circular hole and connected to the base to ensure the concentricity of the mounting edge and the inner ring, and then the adjusting screw is tightened to drive the expansion block to be pressed into place, and the support block is pushed outward in the inner wall of the slide groove to fix the shape of the mounting edge, and then the extrusion screw is tightened to abut and fix the pushed-out support block, and the mounting seat and the mounting edge of the component are fixed and limited to facilitate welding processing, reduce welding deformation problems, and improve the quality of welding processing. At the same time, the expansion operation is simple, and only the adjusting screw needs to be tightened to press the expansion block into place, saving a lot of operating time.

[0007] Preferably, a groove is provided on one side of the expansion block, and a copper tube with holes is provided inside the groove.

[0008] The effect achieved by the above components is: by setting the grooves and the perforated copper tubes, when the engine assembly is clamped and welded, argon gas can be filled into the welding part of the engine assembly through the perforated copper tubes, thereby playing a negative protective role inside the engine assembly.

[0009] Preferably, the material of the expansion block is red copper, the clearance between the expansion block and the support block is small and the contact surface is smooth, and the surfaces of the support block and the base are both smooth.

[0010] The effect achieved by the above components is: by setting the contact surface between the expansion block and the support block to a smooth state, the support block can be pushed out when the expansion block is pressed down to fix the shape of the installation edge, and by setting the support block and the base surface to a smooth state, free sliding can be ensured during the expansion process of the parts.

[0011] Preferably, one end of the extrusion screw and the adjustment screw are both provided with a screw groove, and the cross-section of the screw groove is rectangular.

[0012] The effect achieved by the above components is that by providing the screw groove, it is convenient for operators to insert tools into the screw groove to screw the extrusion screw and the adjustment screw, which is convenient for operation.

[0013] Preferably, the adjusting device includes a rectangular hole block, one side of the rectangular hole block is fixedly connected to one side of the base, the inner wall of the rectangular hole block is slidably connected to a screw hole mounting block, one end of the rectangular hole block is penetrated and connected to a threaded rod, and the outer surface of the threaded rod is threadedly connected to the inner wall of one end of the screw hole mounting block.

[0014] The effect achieved by the above components is: by setting the adjustment device, when the base needs to be installed on the welding machine for use, the threaded rod can be manually held and rotated to a certain position on the rectangular hole block according to the position of the mounting hole on the welding machine, and then the screw hole mounting block is driven to slide outward to a certain position in the inner wall of the rectangular hole block, so that it is aligned with the mounting hole on the welding machine, which is convenient for the installation of the base, so that it can be installed on any welding machine for use, thereby improving its adaptability.

[0015] Preferably, a plurality of anti-skid protrusions are fixedly connected to the outer surface of one end of the threaded rod, and the plurality of anti-skid protrusions are arranged at equal distances.

[0016] The effect achieved by the above components is that the contact friction force of one end of the threaded rod can be increased by the anti-slip protrusion, so that when the threaded rod is manually held and rotated, the threaded rod is not easy to slide manually.

[0017] Preferably, one end of the threaded rod is fixedly connected to a limiting block, and the outer surface size of the limiting block is larger than the inner wall size of one end of the screw hole mounting block.

[0018] The effect achieved by the above components is that by setting the limiting block, the screw hole mounting block can be limited on the threaded rod, so that it is not easy to fall off.

[0019] Preferably, a bearing is fixedly connected to the outer surface of one end of the threaded rod, and the outer ring of the bearing is fixedly connected to the inner wall of the rectangular hole block.

[0020] The effect achieved by the above components is that by arranging the bearing, the friction between the threaded rod and the rectangular hole block can be reduced, making it less likely to wear and tear, thereby increasing the service life of both.

[0021] Compared with the prior art, the advantages and positive effects of the utility model are:

[0022] In the utility model, by arranging a clamping device, when installing the engine component, the engine component can be sleeved on the top of the base, so that its center connecting rod is placed in the circular hole and connected to the base to ensure the concentricity of the mounting edge and the inner ring, and then the adjusting screw is tightened to drive the expansion block to be pressed into place, and the support block is pushed outward in the inner wall of the slide groove to fix the outer shape of the mounting edge, and then the extrusion screw is tightened to abut and fix the pushed-out support block, and the mounting seat and the mounting edge of the component are fixed and limited to facilitate welding processing, reduce the problem of welding deformation, and improve the quality of welding processing. At the same time, the expansion operation is simple, and only the adjusting screw needs to be tightened to press the expansion block into place, which saves a lot of operation time. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0024] Figure 2 It is a schematic diagram of the three-dimensional structure of the base of the utility model;

[0025] Figure 3 It is a schematic diagram of the three-dimensional structure of the support block of the utility model;

[0026] Figure 4 It is a schematic diagram of the three-dimensional structure of the rectangular hole block of the utility model;

[0027] Figure 5 It is a schematic diagram of the three-dimensional structure of the threaded rod of the utility model.

[0028] Legend: 1. Base; 2. Clamping device; 3. Adjusting device; 21. Slide groove; 22. Support block; 23. Extrusion screw; 24. Adjusting screw; 25. Expansion block; 26. Groove; 27. Twist groove; 28. Round hole; 31. Rectangular hole block; 32. Screw hole mounting block; 33. Threaded rod; 34. Anti-slip bump; 35. Limit block; 36. Bearing. DETAILED DESCRIPTION

[0029] Embodiment 1, as Figure 1-5 As shown, the welding tooling of the engine exhaust component includes a base 1, a clamping device 2 is arranged on one side of the base 1, an adjusting device 3 is symmetrically arranged on the bottom of the base 1, the clamping device 2 includes a supporting block 22, a plurality of slide grooves 21 are opened on one side of the base 1, the inner wall of the slide groove 21 is slidably connected with the supporting block 22, an extrusion screw 23 is penetrated and connected at the bottom of the slide groove 21, the extrusion screw 23 abuts against the supporting block 22, an adjusting screw 24 is penetrated and connected on the inner wall of the slide groove 21, the outer surface of the adjusting screw 24 is threadedly connected with a tightening block 25, the tightening block 25 is slidably connected with the slide groove 21, and a round hole 28 is opened on one side of the base 1. When installing the engine assembly, the engine assembly can be sleeved on the top of the base 1 so that its center connecting rod is placed in the circular hole 28 and connected to the base 1 to ensure the concentricity of the mounting edge and the inner ring. Then, the adjusting screw 24 is tightened to drive the expansion block 25 to be pressed into place, and the support block 22 is pushed outward from the inner wall of the slide groove 21 to fix the shape of the mounting edge. Then, the extrusion screw 23 is tightened to abut and fix the pushed-out support block 22. The mounting seat and the mounting edge of the assembly are fixed and limited to facilitate welding processing, reduce welding deformation problems, and improve the quality of welding processing. At the same time, the expansion operation is simple, and only the adjusting screw 24 needs to be tightened to press the expansion block 25 into place, which saves a lot of operating time.

[0030] Reference Figure 2 and Figure 3 As shown, the present embodiment discloses that a groove 26 is provided on one side of the expansion block 25, and a perforated copper tube is provided inside the groove 26. By providing the groove 26 and the perforated copper tube, when the engine assembly is clamped and welded, argon gas can be filled into the welding part of the engine assembly through the perforated copper tube, which plays a reverse protection role inside. The material of the expansion block 25 is red copper, and the fitting clearance between the expansion block 25 and the support block 22 is small and the contact surface is smooth, and the surfaces of the support block 22 and the base 1 are both in a smooth state. By setting the contact surface between the expansion block 25 and the support block 22 to a smooth state, it is convenient to push out the support block 22 when the expansion block 25 is pressed down to fix the shape of the mounting edge, and setting the surfaces of the support block 22 and the base 1 to a smooth state can ensure free sliding during the expansion of the parts.

[0031] Reference Figure 2 and Figure 3 As shown, the present embodiment discloses that one end of the squeeze screw 23 and the adjusting screw 24 are provided with a screw groove 27, and the cross section of the screw groove 27 is rectangular. By providing the screw groove 27, it is convenient for the operator to insert the tool into the screw groove 27 to screw the squeeze screw 23 and the adjusting screw 24, which is convenient for operation.

[0032] Reference Figure 4 and Figure 5As shown, the present embodiment discloses that the adjustment device 3 includes a rectangular hole block 31, one side of the rectangular hole block 31 is fixedly connected to one side of the base 1, a screw hole mounting block 32 is slidably connected to the inner wall of the rectangular hole block 31, a threaded rod 33 is penetrated and connected to one end of the rectangular hole block 31, and the outer surface of the threaded rod 33 is threadedly connected to the inner wall of one end of the screw hole mounting block 32. When the base 1 needs to be installed on the welding machine for use, the threaded rod 33 can be manually held and rotated to a certain position on the rectangular hole block 31 according to the position of the mounting hole on the welding machine, and then the screw hole mounting block 32 is driven to slide outward to a certain position in the inner wall of the rectangular hole block 31, so that it is aligned with the mounting hole on the welding machine, so as to facilitate the installation of the base 1, so that it can be installed on any welding machine for use, thereby improving the adaptability of use.

[0033] Reference Figure 4 and Figure 5 As shown, the present embodiment discloses that a plurality of anti-skid protrusions 34 are fixedly connected to the outer surface of one end of the threaded rod 33, and the plurality of anti-skid protrusions 34 are arranged at equal distances. The anti-skid protrusions 34 can increase the contact friction force of one end of the threaded rod 33, so that when the threaded rod 33 is manually held and rotated, the threaded rod 33 is not easy to slide manually. A limit block 35 is fixedly connected to one end of the threaded rod 33, and the outer surface size of the limit block 35 is larger than the inner wall size of one end of the screw hole mounting block 32. By setting the limit block 35, the screw hole mounting block 32 can be limited on the threaded rod 33, so that it is not easy to fall off. A bearing 36 is fixedly connected to the outer surface of one end of the threaded rod 33, and the outer ring of the bearing 36 is fixedly connected to the inner wall of the rectangular hole block 31. By setting the bearing 36, the friction between the threaded rod 33 and the rectangular hole block 31 can be reduced, so that it is not easy to wear, and the service life of both can be increased.

[0034] Working principle: by setting the clamping device 2, when installing the engine component, the engine component can be sleeved on the top of the base 1, so that its central connecting rod is placed in the circular hole 28 and connected to the base 1 to ensure the concentricity of the mounting edge and the inner ring, and then the adjusting screw 24 is tightened to drive the expansion block 25 to be pressed into place, and the support block 22 is pushed outward in the inner wall of the slide groove 21 to fix the shape of the mounting edge, and then the extrusion screw 23 is tightened to fix the pushed out support block 22, and then argon is filled into the welding part of the engine component through the perforated copper tube in the groove 26, which plays a reverse protection role inside, and the mounting seat and the mounting edge of the component are fixed and limited to facilitate welding processing, reduce welding deformation problems, and improve the quality of welding processing. At the same time, the expansion operation is simple, and only the adjusting screw 24 needs to be tightened to press the expansion block 25 into place, which saves a lot of operation time.

[0035] When the base 1 needs to be installed on a welding machine for use, the anti-slip protrusion 34 and the threaded rod 33 can be manually held according to the position of the mounting hole on the welding machine, and then rotated to a certain position on the rectangular hole block 31, and then the screw hole mounting block 32 can be driven to slide outward to a certain position in the inner wall of the rectangular hole block 31, so that it is aligned with the mounting hole on the welding machine, which is convenient for the installation of the base 1, so that it can be installed on any welding machine for use, thereby improving its adaptability.

Claims

1. Engine exhaust assembly welding tool, characterized by: The invention comprises a base (1), a clamping device (2) is arranged on one side of the base (1), an adjusting device (3) is symmetrically arranged on the bottom of the base (1), the clamping device (2) comprises a supporting block (22), a plurality of slide grooves (21) are provided on one side of the base (1), the inner wall of the slide groove (21) is slidably connected to the supporting block (22), a squeezing screw (23) is penetrated and connected to the bottom of the slide groove (21), the squeezing screw (23) is in contact with the supporting block (22), an adjusting screw (24) is penetrated and connected to the inner wall of the slide groove (21), the outer surface of the adjusting screw (24) is threadedly connected to a tightening block (25), the tightening block (25) is slidably connected to the slide groove (21), and a round hole (28) is provided on one side of the base (1).

2. The engine exhaust assembly welding tool according to claim 1, characterized in that: A groove (26) is provided on one side of the expansion block (25), and a copper tube with holes is provided inside the groove (26).

3. The engine exhaust assembly welding tool according to claim 1, characterized in that: The material of the expansion block (25) is red copper, the matching clearance between the expansion block (25) and the support block (22) is small and the contact surface is smooth, and the surfaces of the support block (22) and the base (1) are both in a smooth state.

4. The engine exhaust assembly welding tool according to claim 1, characterized in that: One end of each of the extrusion screw (23) and the adjustment screw (24) is provided with a screw groove (27), and the cross section of the screw groove (27) is rectangular.

5. The engine exhaust assembly welding tool according to claim 1, characterized in that: The adjusting device (3) comprises a rectangular hole block (31), one side of the rectangular hole block (31) is fixedly connected to one side of the base (1), the inner wall of the rectangular hole block (31) is slidably connected to a screw hole mounting block (32), one end of the rectangular hole block (31) is penetrated and connected to a threaded rod (33), and the outer surface of the threaded rod (33) is threadedly connected to the inner wall of one end of the screw hole mounting block (32).

6. The engine exhaust assembly welding tool according to claim 5, characterized in that: A plurality of anti-skid protrusions (34) are fixedly connected to the outer surface of one end of the threaded rod (33), and the plurality of anti-skid protrusions (34) are arranged at equal distances.

7. The engine exhaust assembly welding tool according to claim 5, characterized in that: One end of the threaded rod (33) is fixedly connected to a limiting block (35), and the outer surface dimension of the limiting block (35) is larger than the inner wall dimension of one end of the screw hole mounting block (32).

8. The engine exhaust assembly welding tool according to claim 5, characterized in that: A bearing (36) is fixedly connected to the outer surface of one end of the threaded rod (33), and the outer ring of the bearing (36) is fixedly connected to the inner wall of the rectangular hole block (31).

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