Welding tool for air outlet of silencer of internal combustion engine

Abstract

The invention relates to the technical field of internal combustion engine silencer machining, in particular to an internal combustion engine silencer air outlet welding tool which comprises an operation table, a first notch is formed in the side wall of the top end of the operation table, and a first fixing plate is arranged on the side wall of the top end of the operation table; according to the welding tool for the air outlet of the silencer of the internal combustion engine, the grinding mechanism can automatically grind the outer side of a port of an air delivery hole of the air outlet pipe and the inner side of a port of an exhaust pipe of the silencer body; according to the polishing device, oxide skin, burrs and machining tool marks are removed, the welding fusion quality is improved, in the polishing process, the air pump sucks scrap iron generated by polishing into the slag collecting box through the slag sucking hole and the conveying pipe, polishing and cleaning are conducted at the same time, dust accumulation is avoided, the cleanliness of the welding environment is improved, and the labor intensity is reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to the internal combustion engine muffler processing technical field, especially relates to a kind of internal combustion engine muffler gas outlet welding tool. BACKGROUND

[0002] Internal combustion engine is a kind of power generation through burning fuel to generate power, is one of the most widely used engines in modern industry and transportation field, and exhaust gas is discharged from exhaust pipe when internal combustion engine works, and the sound is large, because the sound emitted when high-temperature and high-speed airflow is rapidly expanded and hits the outside air, install muffler in exhaust pipe can reduce noise, usually internal combustion engine muffler gas outlet is welded, and welding tool is generally used to install and position internal combustion engine muffler.

[0003] When the prior art installs internal combustion engine muffler, the positioning accuracy is insufficient, and the welding quality is poor, and the muffler body and the gas outlet pipe are centered by manual operation, and the gas hole and the exhaust pipe port are prone to misalignment due to operation error, which causes exhaust leakage or local stress concentration, secondly, the oxide skin and burr of the gas hole of the gas outlet pipe and the exhaust pipe port of the muffler need to be polished by manual sandpaper, which causes poor welding fusion, affects subsequent assembly, and manual polishing has high labor intensity, high dust concentration, pollutes the environment, and the weld gas tightness is poor after welding, and the noise attenuation amount is reduced, in order to solve the above problems, we propose a kind of internal combustion engine muffler gas outlet welding tool. SUMMARY

[0004] The main purpose of the present application is to provide a kind of internal combustion engine muffler gas outlet welding tool, which can effectively solve the problems in the background art.

[0005] To achieve the above-mentioned purpose, the technical scheme adopted by the present application is as follows:

[0006] A kind of internal combustion engine muffler gas outlet welding tool, including operation table, the first slot is formed in the top end side wall of the operation table, the first fixed plate is arranged on the top end side wall of the operation table, the positioning and clamping mechanism for positioning and clamping the muffler body and the gas outlet pipe is arranged on one side wall of the operation table, the polishing mechanism for polishing the welding interface between the muffler body and the gas outlet pipe is arranged on one side wall of the first fixed plate, and the welding mechanism for welding the muffler body and the gas outlet pipe is arranged on the top end side wall of the operation table.

[0007] Preferably, the polishing mechanism comprises two seventh electric telescopic rods provided on one side wall of the first fixed plate, one first guide plate fixedly connected to the extension end of the two seventh electric telescopic rods, two holes formed in the top end side wall of the first guide plate, an eighth electric telescopic rod fixedly connected to the inner side wall of the corresponding hole, one second guide plate fixedly connected to the extension end of the two eighth electric telescopic rods, a slag collecting box provided on the bottom end side wall of the second guide plate, two air pumps provided through the second guide plate on the top end side wall of the slag collecting box, a drawer detachably connected to the side wall of the slag collecting box, a second electric sliding groove formed in the top end side wall of the second guide plate, a second electric sliding block slidingly connected to the inner side wall of the second electric sliding groove, and a moving plate provided on the top end side wall of the second electric sliding block.

[0008] Preferably, one end side wall of the moving plate is provided with a tenth electric telescopic rod, the extension end of the tenth electric telescopic rod is provided with a first rotating plate, one side wall of the first rotating plate is provided with a second motor, the output end of the second motor is provided with a rotating block through one end of the first rotating plate, one side wall of the rotating block is provided with a second rotating plate, one side wall of the second rotating plate is provided with a third motor, the output end of the third motor is provided with a polishing rod through one end of the second rotating plate, the bottom end side wall of the second rotating plate is provided with a mounting plate, a plurality of second slag suction holes are formed in one side wall of the mounting plate, a third slot is formed in the inside of the mounting plate, the first transmission pipe is fixedly and communicatively connected to one side wall of the third slot, and the other end of the first transmission pipe is fixedly and communicatively connected to the output end of one air pump through the second guide plate.

[0009] Preferably, the other end side wall of the moving plate is provided with a ninth electric telescopic rod, the extension end of the ninth electric telescopic rod is provided with a third guide plate, a third electric sliding groove is formed in one side wall of the third guide plate, a third electric sliding block is slidingly connected to the inner side wall of the third electric sliding groove, a polishing arc-shaped plate is provided on one side wall of the third electric sliding block, a plurality of first slag suction holes are formed in one side wall of the polishing arc-shaped plate, a second slot is formed in the inside of the polishing arc-shaped plate, the second transmission pipe is fixedly and communicatively connected to one side wall of the second slot, and the other end of the second transmission pipe is fixedly and communicatively connected to the output end of the other air pump through the second guide plate.

[0010] Preferably, the positioning and clamping mechanism comprises two first electric telescopic rods provided on the bottom end side wall of the operation table, one first positioning plate fixedly connected to the extension end of the two first electric telescopic rods through the bottom end of the operation table, two positioning columns provided on the top end side wall of the first positioning plate, a plurality of holes formed in the outer side wall of the positioning column, a second electric telescopic rod fixedly connected to the inner side wall of the corresponding hole, and a first clamping plate provided at the extension end of the plurality of second electric telescopic rods.

[0011] Preferably, the positioning and clamping mechanism further comprises two first electric sliding grooves formed in the top end side wall of the operation table, first electric sliding blocks are slidably connected to the inner side walls of the two first electric sliding grooves, third electric telescopic rods are arranged at the top end side walls of the two first electric sliding blocks, a second fixed plate is fixedly connected to the extension end of one of the third electric telescopic rods, a fourth electric telescopic rod is arranged on one side wall of the second fixed plate, and a push plate is rotatably connected to the extension end of the fourth electric telescopic rod.

[0012] Preferably, an L-shaped fixed plate is arranged at the top end side wall of the other third electric telescopic rod, a first motor is arranged on one side wall of the L-shaped fixed plate, a fixed frame is arranged on the output end of the first motor and penetrates through one side wall of the L-shaped fixed plate, two fifth electric telescopic rods are arranged on the inner side wall of the fixed frame, second clamping plates are arranged at the extension ends of the two fifth electric telescopic rods, a second positioning plate is arranged at the top end side wall of the operation table, a plurality of holes are formed in the top end side wall of the second positioning plate, and sixth electric telescopic rods are fixedly connected to the inner side walls of the corresponding holes.

[0013] Preferably, the welding mechanism comprises two fourth notches formed in the top end side wall of the operation table, two fourth electric sliding grooves are formed in the inner side walls of the fourth notches, fourth electric sliding blocks are slidably connected to the inner side walls of the two fourth electric sliding grooves, the same guide block is fixedly connected to the opposite ends of the two fourth electric sliding blocks, an eleventh electric telescopic rod is arranged at the top end side wall of the guide block, and a fourth guide plate is arranged at the extension end of the eleventh electric telescopic rod.

[0014] Preferably, a fifth electric sliding groove is arranged at the bottom end side wall of the guide block, an L-shaped plate is arranged at the extension end of the fifth electric sliding groove, a fifth guide plate is arranged at the top end side wall of the L-shaped plate, fifth electric sliding grooves are formed in the top end side wall of the fifth guide plate and the bottom end side wall of the fourth guide plate, fifth electric sliding blocks are slidably connected to the inner side walls of the two fifth electric sliding grooves, twelfth electric telescopic rods are arranged at the other ends of the two fifth electric sliding blocks, and welding assemblies are arranged at the extension ends of the two twelfth electric telescopic rods.

[0015] Compared with the prior art, the present application has the following beneficial effects:

[0016] 1. The exhaust port welding tool of the internal combustion engine muffler adopts a positioning and clamping mechanism, realizes accurate positioning of the muffler body and the exhaust pipe through linkage design of multiple electric telescopic rods and sliding grooves, ensures centring nature in the welding process through coaxial alignment design of the positioning column and the fixed sleeve, avoids butt joint misplacement problems caused by manual operation errors, the sixth electric telescopic rod is inserted into the air conveying hole on the surface of the exhaust pipe, further ensuring accurate positioning of the welding position. The welding mechanism adopts a double welding assembly design, can simultaneously weld the upper and lower outer sides of the welding joint, improves welding efficiency, and the welding assembly is linked through the electric sliding groove and the electric telescopic rod, realizes automatic welding of multiple welding points, reduces manual intervention.

[0017] 2. The exhaust port welding tool of the internal combustion engine muffler, the polishing mechanism can automatically polish the outside of the air conveying hole port of the exhaust pipe and the inside of the exhaust pipe port of the muffler body, remove oxide skin, burrs and machining marks, improve welding fusion quality, and during the polishing process, the air pump sucks the iron filings generated during polishing into the slag collecting box through the slag suction hole and the transmission pipe, realizes "polishing while cleaning", avoids dust accumulation, improves the cleanliness of the welding environment, and reduces labor intensity. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the present application;

[0019] Figure 2 It is a schematic diagram of the overall structure of the present application;

[0020] Figure 3 It is a schematic diagram of the overall structure of the present application;

[0021] Figure 4 It is a schematic diagram of the overall structure of the present application;

[0022] Figure 5 It is a schematic diagram of the overall structure of the present application;

[0023] Figure 6 It is a schematic diagram of the overall structure of the present application;

[0024] Figure 7 It is a schematic diagram of the overall structure of the present application;

[0025] Figure 8 It is a schematic diagram of the overall structure of the present application;

[0026] In the figure: 1, operation table; 12, first slot; 13, first fixed plate; 2, positioning and clamping mechanism; 3, polishing mechanism; 4, welding mechanism; 21, first electric telescopic rod; 22, first positioning plate; 23, positioning column; 24, second electric telescopic rod; 25, first clamping plate; 26, first electric sliding slot; 27, first electric sliding block; 28, third electric telescopic rod; 29, L-shaped fixed plate; 291, second fixed plate; 292, fourth electric telescopic rod; 293, push plate; 294, first motor; 295, fixed frame; 296, fifth electric telescopic rod; 297, second clamping plate; 298, second positioning plate; 299, sixth electric telescopic rod; 31, first transmission pipe; 32, seventh electric telescopic rod; 33, first guide plate; 34, eighth electric telescopic rod; 35, second guide plate; 36, second electric sliding slot; 37, second electric sliding block; 38, moving plate; 39, ninth electric telescopic rod; 391, third guide plate; 392, third electric sliding slot; 393, third electric sliding block; 394, polishing arc-shaped plate; 395, first slag suction hole; 396, second slot; 397, second transmission pipe; 398, slag collecting box; 399, drawer; 3991, tenth electric telescopic rod; 3992, first rotating plate; 3993, second motor; 3994, rotating block; 3995, second rotating plate; 3996, third motor; 3997, polishing rod; 3998, mounting plate; 3999, second slag suction hole; 3990, third slot; 381, air pump; 41, fourth slot; 42, fourth electric sliding slot; 43, fourth electric sliding block; 44, guide block; 45, eleventh electric telescopic rod; 46, fourth guide plate; 47, fifth electric sliding slot; 48, fifth electric sliding block; 49, twelfth electric telescopic rod; 491, welding assembly; 492, L-shaped plate; 493, fifth guide plate. DETAILED DESCRIPTION

[0027] In order to make the technical means, creative features, purposes and effects of the present application easy to understand, the present application is further described below in combination with specific embodiments.

[0028] As shown in Figure 1 - Figure 8 A welding tool for the gas outlet of a muffler of an internal combustion engine, comprising an operation table 1, a first slot 12 is formed in the top end side wall of the operation table 1, a first fixed plate 13 is arranged on the top end side wall of the operation table 1, a positioning and clamping mechanism 2 for positioning and clamping the muffler body and the gas outlet pipe is arranged on one side wall of the operation table 1, a polishing mechanism 3 for polishing the welding joint of the muffler body and the gas outlet pipe is arranged on one side wall of the first fixed plate 13, and a welding mechanism 4 for welding the muffler body and the gas outlet pipe is arranged on the top end side wall of the operation table 1.

[0029] In the embodiment, the polishing mechanism 3 comprises two seventh electric telescopic rods 32 provided on the side wall of the first fixed plate 13, and the same first guide plate 33 is fixedly connected to the telescopic ends of the two seventh electric telescopic rods 32. The top end side wall of the first guide plate 33 is provided with two holes, and the eighth electric telescopic rod 34 is fixedly connected to the inner side wall of the corresponding hole. The same second guide plate 35 is fixedly connected to the telescopic ends of the two eighth electric telescopic rods 34. The slag collecting box 398 is arranged on the bottom end side wall of the second guide plate 35. Two air pumps 381 are arranged on the top end side wall of the slag collecting box 398 in penetrating the second guide plate 35. The drawer 399 is detachably connected to the side wall of the slag collecting box 398. The second electric sliding groove 36 is arranged on the top end side wall of the second guide plate 35. The second electric sliding block 37 is slidably connected to the inner side wall of the second electric sliding groove 36. The moving plate 38 is arranged on the top end side wall of the second electric sliding block 37.

[0030] Specifically, the seventh electric telescopic rod 32 is elongated, the first guide plate 33 is driven to move to the welding position and then stopped, the height of the second guide plate 35 is adjusted by the eighth electric telescopic rod 34, and the moving plate 38 is flush with the center position of the exhaust pipe on the outer side wall of the muffler body.

[0031] In the embodiment, the tenth electric telescopic rod 3991 is arranged on one end side wall of the moving plate 38. The first rotating plate 3992 is arranged at the telescopic end of the tenth electric telescopic rod 3991. The second motor 3993 is arranged on one side wall of the first rotating plate 3992. The rotating block 3994 is arranged at one end of the second motor 3993 penetrating the first rotating plate 3992. The second rotating plate 3995 is arranged on one side wall of the rotating block 3994. The third motor 3996 is arranged on one side wall of the second rotating plate 3995. The polishing rod 3997 is arranged at the output end of the third motor 3996 penetrating one end of the second rotating plate 3995. The mounting plate 3998 is arranged on the bottom end side wall of the second rotating plate 3995. A plurality of second slag suction holes 3999 are arranged on one side wall of the mounting plate 3998. The third slot 3990 is arranged in the mounting plate 3998. The first transmission pipe 31 is fixedly and communicatively connected to one end of the third slot 3990. The output end of the first transmission pipe 31 is fixedly and communicatively connected to one air pump 381.

[0032] Specifically, the tenth electric telescopic rod 3991 is started to push the first rotating plate 3992, so that the polishing rod 3997 is extended to the exhaust pipe port side wall of the muffler body outer side wall, then the third motor 3996 drives the polishing rod 3997 to rotate, and the second motor 3993 adjusts the angle of the polishing rod 3997 to polish the exhaust pipe port side wall in a ring shape, remove the inner side oxide layer and processing tool marks, and the mounting plate 3998 moves synchronously with the polishing rod 3997, the plurality of second slag suction holes 3999 at the bottom thereof are operated by another air pump 381 to suck the inner side iron filings into the slag collecting box 398 through the first transmission pipe 31, so that the "cleaning while polishing" is realized, and the second electric sliding block 37 is matched to move slowly along the second electric sliding groove 36, so that the exhaust pipe surface of all the exhaust pipe surface side walls of the muffler body outer side wall is polished.

[0033] In the embodiment, the other end side wall of the moving plate 38 is provided with the ninth electric telescopic rod 39, the telescopic end of the ninth electric telescopic rod 39 is provided with the third guide plate 391, one side wall of the third guide plate 391 is provided with the third electric sliding groove 392, the inner side wall of the third electric sliding groove 392 is slidably connected with the third electric sliding block 393, one side wall of the third electric sliding block 393 is provided with the polishing arc-shaped plate 394, a plurality of first slag suction holes 395 are formed in one side wall of the polishing arc-shaped plate 394, a second slot 396 is formed in the polishing arc-shaped plate 394, the second slot 396 is fixedly connected with the second transmission pipe 397 on one side wall, and the other end of the second transmission pipe 397 is fixedly connected with the output end of the other air pump 381 through the second guide plate 35.

[0034] Specifically, the ninth electric telescopic rod 39 is started to push the third guide plate 391, so that the polishing arc-shaped plate 394 is attached to the outer edge of the exhaust pipe, then the third electric sliding block 393 is reciprocally slid along the third electric sliding groove 392 to drive the polishing arc-shaped plate 394 to polish the surface of the exhaust pipe, and the iron filings generated by the polishing are sucked into the slag collecting box 398 through the second transmission pipe 397 by the operation of the air pump 381, so that the dust accumulation is avoided.

[0035] In the embodiment, the positioning and clamping mechanism 2 comprises two first electric telescopic rods 21 arranged on the bottom end side wall of the operation table 1, the telescopic ends of the two first electric telescopic rods 21 are fixedly connected with the same first positioning plate 22 penetrating through the bottom end of the operation table 1, the top end side wall of the first positioning plate 22 is provided with two positioning columns 23, a plurality of holes are formed in the outer side wall of the positioning column 23, and a second electric telescopic rod 24 is fixedly connected with the inner side wall of the corresponding hole, and the telescopic end of the plurality of second electric telescopic rods 24 is provided with a first clamping plate 25.

[0036] Specifically, by starting the second electric telescopic rod 24, the first clamping plate 25 is driven to extend radially until it is in close contact with the inner wall of the fixed sleeve, and then by starting the first electric telescopic rod 21, the first positioning plate 22 is driven to rise, so that the muffler body is located at the welding position.

[0037] In this embodiment, the positioning and clamping mechanism 2 further comprises two first electric sliding grooves 26 opened in the top end side wall of the operation table 1, the inner side wall of each of the two first electric sliding grooves 26 is slidably connected with a first electric sliding block 27, the top end side wall of each of the two first electric sliding blocks 27 is provided with a third electric telescopic rod 28, the telescopic end of one of the third electric telescopic rods 28 is fixedly connected with a second fixed plate 291, one side wall of the second fixed plate 291 is provided with a fourth electric telescopic rod 292, and the telescopic end of the fourth electric telescopic rod 292 is rotatably connected with a push plate 293 penetrating through one end of the second fixed plate 291.

[0038] Specifically, the fourth electric telescopic rod 292 pushes the push plate 293 to push the air outlet pipe into the fixed frame 295, so that one end of the air outlet pipe is in contact with the inner side wall of the fixed frame 295. By sliding the first electric sliding block 27 along the first electric sliding groove 26, the air outlet pipe is moved to the polishing position.

[0039] In this embodiment, the top end side wall of the other third electric telescopic rod 28 is provided with an L-shaped fixed plate 29, one side wall of the L-shaped fixed plate 29 is provided with a first motor 294, the output end of the first motor 294 is provided with a fixed frame 295 penetrating through one side wall of the L-shaped fixed plate 29, the inner side wall of the fixed frame 295 is provided with two fifth electric telescopic rods 296, the telescopic end of each of the two fifth electric telescopic rods 296 is provided with a second clamping plate 297, the top end side wall of the operation table 1 is provided with a second positioning plate 298, a plurality of holes are opened in the top end side wall of the second positioning plate 298, and the inner side wall of each of the corresponding holes is fixedly connected with a sixth electric telescopic rod 299.

[0040] Specifically, by starting the plurality of sixth electric telescopic rods 299, the telescopic end is higher than the top end of the second positioning plate 298, the plurality of air conveying holes on the surface of the air outlet pipe are respectively corresponding to the plurality of sixth electric telescopic rods 299, and then the air outlet pipe is placed on the second positioning plate 298. At this time, the telescopic end of the sixth electric telescopic rod 299 is located in the air conveying hole on the surface of the air outlet pipe.

[0041] In this embodiment, the welding mechanism 4 comprises two fourth notches 41 opened in the top end side wall of the operation table 1, two fourth electric sliding grooves 42 are opened in the inner side wall of each of the two fourth notches 41, a fourth electric sliding block 43 is slidably connected with the inner side wall of each of the two fourth electric sliding grooves 42, and the opposite end of each of the two fourth electric sliding blocks 43 is fixedly connected with the same guide block 44. The top end side wall of the guide block 44 is provided with an eleventh electric telescopic rod 45, and the telescopic end of the eleventh electric telescopic rod 45 is provided with a fourth guide plate 46.

[0042] Specifically, the fourth electric sliding block 43 slides along the fourth electric sliding groove 42, drives the guide block 44 to move to the welding position, the eleventh electric telescopic rod 45 at the top end of the guide block 44 operates, and drives the fourth guide plate 46 to descend.

[0043] In the embodiment, the bottom end side wall of the guide block 44 is provided with the fifth electric sliding groove 47, the telescopic end of the fifth electric sliding groove 47 is provided with the L-shaped plate 492, the top end side wall of the L-shaped plate 492 is provided with the fifth guide plate 493, the top end side wall of the fifth guide plate 493 and the bottom end side wall of the fourth guide plate 46 are both provided with the fifth electric sliding groove 47, the inner side walls of the two fifth electric sliding grooves 47 are both slidably connected with the fifth electric sliding block 48, the other ends of the two fifth electric sliding blocks 48 are both provided with the twelfth electric telescopic rod 49, and the telescopic ends of the two twelfth electric telescopic rods 49 are both provided with the welding assembly 491.

[0044] Specifically, the eleventh electric telescopic rod 45 at the top end of the guide block 44 operates, drives the fifth guide plate 493 to rise, makes the upper and lower welding assemblies 491 respectively align with the upper and lower outer sides of the welding port, then cooperates the twelfth electric telescopic rod 49 with the welding assembly 491, makes the two welding assemblies 491 do annular welding around the welding port, at the same time, starts the fifth electric sliding block 48 to slide along the fifth electric sliding groove 47, drives the welding assembly 491 to move, and welds all the welding points.

[0045] It needs to be explained that the application is a welding tool for the gas outlet of the muffler of the internal combustion engine. The user places the muffler body on the first positioning plate 22 of the operation table 1, ensures that the bottom fixing sleeve is coaxially aligned with the positioning column 23, according to the inner diameter of the fixing sleeve of the muffler body, drives the first clamping plate 25 to extend radially by starting the second electric telescopic rod 24, until it is in close contact with the inner wall of the fixing sleeve, then drives the first positioning plate 22 to rise by starting the first electric telescopic rod 21, so that the muffler body is located in the welding position, then the sixth electric telescopic rod 299 is started, so that the telescopic end is higher than the top end of the second positioning plate 298, the gas holes on the surface of the gas pipe are respectively corresponding to the sixth electric telescopic rod 299, then the gas pipe is placed on the second positioning plate 298, at this time, the sixth electric telescopic rod 299 telescopic end is located in the gas hole on the surface of the gas pipe, then the fourth electric telescopic rod 292 pushes the push plate 293, pushes the gas pipe into the fixed frame 295, so that one end of the gas pipe is in contact with the inner wall of the fixed frame 295, then two fifth electric telescopic rods 296 are started, so that two second clamping plates 297 clamp the outer wall of the gas pipe, so as to complete the clamping and fixing, then the first motor 294 is started, drives the fixed frame 295 to rotate, so as to drive the gas pipe to rotate ninety degrees, then two third electric telescopic rods 28 are started, drives the L-shaped fixed plate 29 and the second fixed plate 291 to rise, so that the gas pipe is located in the welding position, then the first electric sliding block 27 is slid along the first electric sliding groove 26, drives the gas pipe to move to the polishing position, at this time, the gas holes on the surface of the gas pipe are corresponding to the position of the exhaust pipe on the outer wall of the muffler body.

[0046] Subsequently, the seventh electric telescopic rod 32 is extended, the first guide plate 33 is driven to move to the welding position and stop, the height of the second guide plate 35 is adjusted by the eighth electric telescopic rod 34, the moving plate 38 is flush with the center position of the exhaust pipe of the outer wall of the muffler body through the multiple air transmission holes on the surface of the exhaust pipe, the ninth electric telescopic rod 39 is started to push the third guide plate 391, the polishing arc-shaped plate 394 is attached to the outer edge of the exhaust pipe, then the third electric slider 393 reciprocatingly slides along the third electric sliding groove 392, the abrasive surface on the arc-shaped plate is driven to polish, the oxide scale, burrs and uneven places outside the multiple air transmission hole ports on the surface of the exhaust pipe are removed, and the iron filings generated by polishing are removed through the multiple first slag suction holes 395 by one air pump 381, so that the iron filings are sucked into the slag collecting box 398 through the second transmission pipe 397, dust accumulation is avoided, the tenth electric telescopic rod 3991 is started to push the first rotating plate 3992, the polishing rod 3997 is extended to the exhaust pipe port side wall of the outer wall of the muffler body, then the third motor 3996 drives the polishing rod 3997 to rotate, the second motor 3993 adjusts the angle of the polishing rod 3997, the exhaust pipe port side wall is annularly polished, the inside oxide layer and machining tool marks are removed, and the mounting plate 3998 moves synchronously with the polishing rod 3997, the multiple second slag suction holes 3999 at the bottom of the mounting plate 3998 are operated through another air pump 381, so that the inside iron filings are sucked into the slag collecting box 398 through the first transmission pipe 31, polishing and cleaning are realized at the same time, and the second electric slider 37 is slowly moved along the second electric sliding groove 36, so that the exhaust pipe port outside and the exhaust pipe end surface side wall of the outer wall of the muffler body are polished, the second transmission pipe 397 and the first transmission pipe 31 are made of telescopic material, after polishing is completed, the eighth electric telescopic rod 34 is retracted to drive the second guide plate 35 to reset, the seventh electric telescopic rod 32 drives the first guide plate 33 to reset, then the first electric slider 27 is slid along the first electric sliding groove 26 again, the exhaust pipe is moved to the welding position, at this time, the exhaust pipe port outside of the multiple air transmission holes on the surface of the exhaust pipe is in close contact with the exhaust pipe end surface side wall of the outer wall of the muffler body, then the fourth electric slider 43 is slid along the fourth electric sliding groove 42, the guide block 44 is moved to the welding position, the eleventh electric telescopic rod 45 at the top of the guide block 44 is operated to drive the fourth guide plate 46 to descend, and the eleventh electric telescopic rod 45 at the top of the guide block 44 is operated to drive the fifth guide plate 493 to ascend, so that the upper and lower welding assemblies 491 are respectively aligned with the upper and lower outer sides of the welding port, then the twelfth electric telescopic rod 49 is operated in cooperation with the welding assembly 491, so that the two welding assemblies 491 are annularly welded around the welding port, at the same time, the fifth electric slider 48 is started to slide along the fifth electric sliding groove 47, the welding assembly 491 is moved, and all welding points are welded, after welding is completed, the polishing mechanism 3 and the welding mechanism 4 return to the initial position, all telescopic rods are reset, and the muffler workpiece falls to the surface of the operation table 1, the drawer 399 is pulled out to clean the welding slag.

[0047] The foregoing is considered as illustrative only of the principles of the application and the forms thereof shown and described by way of example. Further, those skilled in the art will realize that the mechanism of the present application is capable of other modes of practice and still be within the spirit and scope of the application. For example, the application can be used in other types of systems and / or methods. The disclosed and claimed conceptual aspects of this application are intended to be construed to encompass any such developments, and modifications and improvements to the examples described. It is therefore intended that the scope of the application be determined by the following claims and their equivalents.

Claims

1. An exhaust port welding tool for a muffler of an internal combustion engine, comprising an operating table (1), characterized in that: The operating platform (1) top side wall is provided with a first notch (12), the operating platform (1) top side wall is provided with a first fixed plate (13), one side wall of the operating platform (1) is provided with a positioning and clamping mechanism (2) for positioning and clamping the muffler body and the air outlet pipe, one side wall of the first fixed plate (13) is provided with a grinding mechanism (3) for grinding the welding joint of the muffler body and the air outlet pipe, and the top side wall of the operating platform (1) is provided with a welding mechanism (4) for welding the muffler body and the air outlet pipe.

2. The welding tool for the outlet of the muffler of the internal combustion engine according to claim 1, characterized in that: The grinding mechanism (3) includes two seventh electric telescopic rods (32) arranged on one side wall of the first fixed plate (13), the same first guide plate (33) is fixedly connected to the telescopic ends of the two seventh electric telescopic rods (32), two holes are formed in the top side wall of the first guide plate (33), eighth electric telescopic rods (34) are fixedly connected to the inner side walls of the corresponding holes, the same second guide plate (35) is fixedly connected to the telescopic ends of the two eighth electric telescopic rods (34), a slag collecting box (398) is arranged on the bottom end side wall of the second guide plate (35), two air pumps (381) are arranged in the top end side wall of the slag collecting box (398) and penetrate through the second guide plate (35), a drawer (399) is detachably connected to the side wall of the slag collecting box (398), a second electric sliding groove (36) is formed in the top end side wall of the second guide plate (35), a second electric sliding block (37) is slidably connected to the inner side wall of the second electric sliding groove (36), and a moving plate (38) is arranged on the top end side wall of the second electric sliding block (37).

3. The welding tool for the outlet of the muffler of the internal combustion engine according to claim 2, characterized in that: One end side wall of the moving plate (38) is provided with a tenth electric telescopic rod (3991), a first rotating plate (3992) is arranged at the telescopic end of the tenth electric telescopic rod (3991), a second motor (3993) is arranged on one side wall of the first rotating plate (3992), a rotating block (3994) is arranged on the output end of the second motor (3993) and penetrates through one end of the first rotating plate (3992), a second rotating plate (3995) is arranged on one side wall of the rotating block (3994), a third motor (3996) is arranged on one side wall of the second rotating plate (3995), a grinding rod (3997) is arranged on the output end of the third motor (3996) and penetrates through one end of the second rotating plate (3995), an installation plate (3998) is arranged on the bottom end side wall of the second rotating plate (3995), a plurality of second slag suction holes (3999) are formed in one side wall of the installation plate (3998), a third notch (3990) is formed in the installation plate (3998), a first transmission pipe (31) is fixedly communicated with one side wall of the third notch (3990), and the other end of the first transmission pipe (31) is fixedly communicated with the output end of one air pump (381) and penetrates through the second guide plate (35).

4. The welding tool for the outlet of the muffler of the internal combustion engine according to claim 2, characterized in that: The other end side wall of the moving plate (38) is provided with a ninth electric telescopic rod (39), and the telescopic end of the ninth electric telescopic rod (39) is provided with a third guide plate (391). A third electric sliding groove (392) is formed in one side wall of the third guide plate (391). A third electric sliding block (393) is slidably connected to the inner side wall of the third electric sliding groove (392). A polishing arc-shaped plate (394) is arranged on one side wall of the third electric sliding block (393). A plurality of first slag suction holes (395) are formed in one side wall of the polishing arc-shaped plate (394). A second slot (396) is formed in the polishing arc-shaped plate (394). A second transmission pipe (397) is fixedly communicated with one side wall of the second slot (396). The other end of the second transmission pipe (397) penetrates the second guide plate (35) and is fixedly communicated with the output end of the other air pump (381).

5. The welding tool for muffler outlet port of an internal combustion engine according to claim 1, characterized in that: The positioning and clamping mechanism (2) comprises two first electric telescopic rods (21) arranged on the bottom end side wall of the operation table (1). The same first positioning plate (22) is fixedly connected to the telescopic end of each of the two first electric telescopic rods (21) and penetrates the bottom end of the operation table (1). Two positioning columns (23) are arranged on the top end side wall of the first positioning plate (22). A plurality of holes are formed in the outer side wall of each positioning column (23). A second electric telescopic rod (24) is fixedly connected to the inner side wall of each corresponding hole. The telescopic end of each second electric telescopic rod (24) is provided with a first clamping plate (25).

6. The welding tool for muffler outlet port of an internal combustion engine according to claim 5, characterized in that: The positioning and clamping mechanism (2) further comprises two first electric sliding grooves (26) formed in the top end side wall of the operation table (1). A first electric sliding block (27) is slidably connected to the inner side wall of each first electric sliding groove (26). A third electric telescopic rod (28) is arranged on the top end side wall of each first electric sliding block (27). A second fixed plate (291) is fixedly connected to the telescopic end of one third electric telescopic rod (28). A fourth electric telescopic rod (292) is arranged on one side wall of the second fixed plate (291). A push plate (293) is rotatably connected to the telescopic end of the fourth electric telescopic rod (292) and penetrates one end of the second fixed plate (291).

7. The welding tool for muffler outlet port of an internal combustion engine according to claim 6, characterized in that: The top end side wall of the other third electric telescopic rod (28) is provided with an L-shaped fixed plate (29). A first motor (294) is arranged on one side wall of the L-shaped fixed plate (29). A fixing frame (295) is arranged on the output end of the first motor (294) and penetrates one side wall of the L-shaped fixed plate (29). Two fifth electric telescopic rods (296) are arranged on the inner side wall of the fixing frame (295). A second clamping plate (297) is arranged on the telescopic end of each fifth electric telescopic rod (296). A second positioning plate (298) is arranged on the top end side wall of the operation table (1). A plurality of holes are formed in the top end side wall of the second positioning plate (298). A sixth electric telescopic rod (299) is fixedly connected to the inner side wall of each corresponding hole.

8. The welding tool for muffler outlet port of an internal combustion engine according to claim 1, characterized in that: The welding mechanism (4) includes two fourth notches (41) opened in the top side wall of the operation table (1), two fourth electric sliding grooves (42) are opened in the inner side wall of the fourth notches (41), fourth electric sliding blocks (43) are slidingly connected to the inner side wall of the two fourth electric sliding grooves (42), one end of the two fourth electric sliding blocks (43) opposite to each other is fixedly connected with the same guide block (44), the top end side wall of the guide block (44) is provided with the eleventh electric telescopic rod (45), and the telescopic end of the eleventh electric telescopic rod (45) is provided with the fourth guide plate (46).

9. The welding tool for muffler outlet port of an internal combustion engine according to claim 8, characterized in that: The bottom end side wall of the guide block (44) is provided with the fifth electric sliding groove (47), the telescopic end of the fifth electric sliding groove (47) is provided with the L-shaped plate (492), the top end side wall of the L-shaped plate (492) is provided with the fifth guide plate (493), the top end side wall of the fifth guide plate (493) and the bottom end side wall of the fourth guide plate (46) are both provided with the fifth electric sliding groove (47), the inner side wall of the two fifth electric sliding grooves (47) is slidingly connected with the fifth electric sliding block (48), and the other end of the two fifth electric sliding blocks (48) is provided with the twelfth electric telescopic rod (49). The telescopic end of the two twelfth electric telescopic rods (49) is provided with the welding assembly (491).

Images