CN113182717B - Automobile silencing bag assembling and welding device and machining process - Google Patents

Abstract

The invention provides an automobile silencing bag assembling and welding device and a processing technology, and relates to the technical field of silencing bag welding devices. The device has the advantage of improving the qualification rate and the production efficiency of amortization package production.

Description

Automobile silencing bag assembling and welding device and machining process

Technical Field

The invention relates to the technical field of silencing bag welding devices, in particular to an automobile silencing bag assembling and welding device and a machining process.

Background

Referring to fig. 7, a silencing bag 1 is an important component mounted on an internal combustion engine, the silencing bag 1 has silencing and exhaust gas treatment functions, when the silencing bag 1 is manufactured, three partition plates 11 mounted inside need to be processed according to the external profile of the silencing bag 1, the three partition plates 11 are arranged in parallel, a first silencing pipe 12, a second silencing pipe 13 and a third silencing pipe 14 are respectively arranged on the partition plates 11 in a penetrating manner, the first silencing pipe 12 is positioned between two adjacent partition plates 11, and the second silencing pipe 13 and the third silencing pipe 14 are respectively arranged on the three partition plates 11 in a penetrating manner and are positioned on the same side; one end of each of the second muffler pipe 13 and the third muffler pipe 14 is provided with a tapered positioning portion 15, and when the second muffler pipe 13 and the third muffler pipe 14 are mounted on the partition plate 11, the two positioning portions 15 are located in opposite directions, and when the second muffler pipe 13 and the third muffler pipe 14 are mounted, the end provided with the positioning portion 15 is used as a positioning reference.

According to the prior art, when the silencing bag is produced, the silencing pipe is usually arranged on the partition plate 11 in a penetrating mode in a manual mode, and then the parts of the silencing bag 1 are fixed in a manual welding mode.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides an assembling and welding device and a machining process for an automobile silencing bag, which solve the problems that in the prior art, parts deform in the welding process to reduce the product percent of pass and the machining efficiency is low.

According to the embodiment of the invention, the automobile silencing bag assembling and welding device comprises a manipulator for welding the silencing bag, a plurality of positioning and clamping mechanisms for clamping parts of the positioning and silencing bag are arranged around the manipulator, and a rotating mechanism for rotating the angle of the positioning and clamping mechanisms to facilitate welding is arranged at the bottom of the positioning and clamping mechanisms.

Through the technical scheme, when the device is used for processing the silencing bags, parts of the silencing bags are respectively fixed on the positioning and clamping mechanism in a set positioning and clamping manner, and then are respectively welded by using the mechanical hand. The positioning and clamping mechanism is used for clamping, so that the deformation of parts of the silencing bag caused by heating in the welding process is reduced, and the qualified rate of product production is improved; the manipulator is used for welding, so that the welding efficiency is improved, and the production efficiency of products is improved.

Preferably, the positioning and clamping mechanism comprises a clamping mechanism for positioning and clamping the partition plate of the silencing bag, and a clamping groove for clamping the partition plate is formed in the clamping mechanism; the driving piece is used for driving the clamping mechanism to clamp or loosen the partition plate; the abutting mechanism is used for positioning and abutting the silencing pipe penetrating through the partition plate; and the mounting frame is used for mounting the driving piece, the clamping mechanism and the abutting mechanism.

Through above technical scheme, when welding the amortization package, wear to establish the hush pipe on the baffle with the distance between the location baffle on the baffle centre gripping clamping mechanism again, use butt mechanism to fix a position and butt it, carry out welded fastening to the spare part of hush package again, use weld the deflection that can reduce the spare part of hush package and be heated and produce after the device centre gripping again, the qualification rate of the amortization package that improves.

Preferably, the clamping mechanism comprises a first clamping component and a second clamping component inserted on the first clamping component, the first clamping component is provided with an insertion notch, and the second clamping component is provided with an insertion part inserted in the insertion notch; there is the positioning mechanism who is used for fixing a position between the two between first joint subassembly and the second joint subassembly, positioning mechanism is provided with the location mouth of adaptation locating piece including setting up the locating piece that is used for fixing a position the second joint subassembly in grafting breach bottom, on grafting portion.

Through the technical scheme, the first clamping component and the second clamping component can be conveniently spliced by using the structure that the splicing gap is matched with the splicing part; the positioning opening and the positioning block matched mechanism can be used for conveniently correcting the positions of the first clamping component and the second clamping component during the insertion of the first clamping component and the second clamping component, so that the positions of the first clamping component and the second clamping component are accurate, the possibility of dislocation of the first clamping component and the second clamping component during the insertion is reduced, the clamping grooves in the first clamping component and the second clamping component can be accurately butted, and the reliability of the device is higher.

Preferably, a transition port for guiding the insertion part is arranged at an opening of the insertion notch, and an opening of the transition port is larger than an opening of the insertion notch.

Through the technical scheme, the transition port is larger than the opening, when the first clamping assembly and the second clamping assembly are plugged, the transition port has guiding and transition effects on the plug-in part, the possibility that the plug-in part cannot be plugged due to mutual interference of the plug-in part and the plug-in part caused by position deviation is reduced, and the reliability of the device is further improved.

Preferably, the butt mechanism is including the first butt subassembly that is used for fixing a position the first hush pipe of butt, and first butt subassembly is including setting up the setting element that is used for fixing a position first hush pipe tip on first joint subassembly and the first subassembly of stepping down that is used for the first hush pipe of butt, and first subassembly of stepping down is including setting up the first jar of stepping down on the mounting bracket and installing the first butt jar that is used for the first hush pipe of butt on the first jar output shaft of stepping down, and both mutually perpendicular sets up.

Through above technical scheme, when wearing to establish first hush pipe on the baffle, the setting element is used for fixing a position the tip of first hush pipe, uses and to give way the first subassembly of stepping down that the jar formed by first stepping down jar and first butt jar and can provide the space of stepping down, conveniently wears to establish first hush pipe, provides the butt force to first hush pipe simultaneously.

Preferably, the abutment mechanism further comprises a second abutment assembly for abutting the second sound-deadening tube, a third abutment assembly for abutting the third sound-deadening tube; the second butt joint component comprises a positioning cylinder and a second butt joint cylinder, the positioning cylinder is used for positioning the positioning portion of the second silencing pipe, the second butt joint cylinder is used for butt joint of the other end of the second silencing pipe, the positioning cylinder and the second butt joint cylinder are located on the same straight line, output shafts of the positioning cylinder and the second butt joint cylinder are arranged in opposite directions, a positioning column matched with the positioning portion is arranged on the output shaft of the positioning cylinder, and a conical positioning surface is arranged at one end, facing the second butt joint cylinder, of the positioning column.

Through the technical scheme, when the distance between the second silencing pipe and the partition plate of the silencing bag and the distance between the third silencing pipe and the partition plate of the silencing bag are positioned, the positioning parts of the second silencing pipe and the partition plate are utilized for positioning, so that the positioning column provided with the conical surface can be used for positioning more conveniently; because the length of the second and third silencing tubes produced in each batch has deviation, each silencing tube is correspondingly provided with a positioning cylinder and a second butting cylinder for butting positioning, and when the second and third silencing tubes in each batch are positioned, the stretching amount of the positioning cylinder and the second butting cylinder can be adjusted so as to facilitate positioning and clamping.

Preferably, be provided with the second subassembly of stepping down between mounting bracket and the location jar, the second subassembly of stepping down includes slide rail spare, glide and the second jar of stepping down, is provided with the spout along vertical direction in slide rail spare middle part, and the glide slides and installs in the spout, and the second cylinder of stepping down is fixed in the bottom position department of spout, and its output shaft is connected fixedly with the glide, and the location jar is installed on the glide.

Through above technical scheme, with the location jar setting on the second subassembly of stepping down, can improve the space of stepping down when wearing to establish second or third hush pipe on the baffle for the installation of the spare part of hush bag is more convenient.

Preferably, the rotating mechanism comprises a mounting seat and a rotating plate for connecting the mounting frame, a rotating shaft is vertically arranged between the rotating plate and the mounting seat, and a plurality of universal bearings for supporting the rotating plate are arranged between the rotating plate and the mounting seat along the circumferential direction of the rotating shaft.

Through the technical scheme, when welding, the positioning and clamping mechanism provided with the rotating plate can conveniently rotate so as to facilitate the welding of the welding positions between the parts of the silencing bag, which the manipulator stretches into; after the welding is finished, the welding machine can be turned to be convenient to unload materials conveniently.

Preferably, a limiting assembly for limiting the rotation angle of the rotating plate is arranged between the mounting seat and the rotating plate, the limiting assembly comprises two limiting parts fixed on the mounting seat and used for limiting the initial position and the final position, and an interference part arranged on the rotating plate, and the interference part and the two limiting parts are both arranged on a circumference with the rotating shaft as a circle center.

Through above technical scheme, when using the rotor plate to rotate location fixture, utilize the spacing subassembly that sets up between mount pad and rotor plate to prescribe a limit to the pivoted angle of rotor plate, be used for the relative position between location fixture and the machinery when location initial position and final position simultaneously.

A processing technology for assembling and welding an automobile silencing bag comprises the following steps:

clamping

S1: clamping the three partition plates on the clamping mechanism to enable the three partition plates to be distributed at intervals;

s2: respectively penetrating a first silencing pipe, a second silencing pipe and a third silencing pipe on the partition board, and respectively positioning, abutting and fixing the three silencing pipes by using an abutting mechanism;

② welding

S3: and starting the manipulator to weld, and respectively welding the positions of the first silencing pipe, the second silencing pipe and the third silencing pipe, which are in contact with the partition plate, until the welding is finished.

Compared with the existing welding mode, the device adopts the mechanical arm to weld, so that the processing efficiency of the product is improved; the clamping mechanism and the butt fastening are used for positioning and clamping parts of the sound-absorbing bag in the welding process, so that the deformation generated between the parts of the sound-absorbing bag in the welding process is reduced, and the qualified rate of products is improved.

Compared with the prior art, the invention has the following beneficial effects:

1. the parts of the sound attenuation bag are welded by using the manipulator, so that the welding time can be shortened; the manipulator is used for processing the silencing bag parts on the positioning and clamping mechanisms, so that the working time of the manipulator in unit time can be increased, a processing process chain of a product can be optimized, and the processing efficiency of the product can be improved;

2. the first clamping assembly and the second clamping assembly can be used for conveniently positioning and clamping the three partition plates, the first clamping mechanism and the second clamping mechanism can be accurately positioned when being inserted and connected by using the positioning mechanism, the second silencing tube and the third silencing tube are abutted and positioned by using the abutting mechanism, and when parts of the silencing bag are welded, the possibility of deformation among the parts can be reduced, so that the qualification rate of a produced product is higher;

3. utilize first, second to let the position subassembly can improve when wearing to establish second, third hush pipe and let the position space, can conveniently wear to establish it on the baffle for the use is more convenient.

Drawings

FIG. 1 is a schematic overall structure diagram of an embodiment of the present application;

FIG. 2 is a schematic structural view of a positioning and clamping mechanism;

FIG. 3 is an exploded view of the first and second clamping assemblies;

FIG. 4 is an enlarged view of portion A of FIG. 2;

FIG. 5 is an exploded view of a second abdicating assembly;

FIG. 6 is an exploded view of the rotating mechanism;

fig. 7 is a prior art drawing of a mute bag.

In the drawings, wherein: 1. a sound-deadening bag; 11. a partition plate; 12. a first silencer duct; 13. a second muffler pipe; 14. a third muffler pipe; 15. a positioning part; 2. a mounting frame; 3. a clamping mechanism; 31. a first clamping assembly; 311. inserting notches; 312. A transition port; 32. a second clamping assembly; 321. a plug-in part; 33. a clamping groove; 34. a positioning mechanism; 341. positioning blocks; 342. positioning the opening; 35. a drive member; 36. a connecting plate; 4. an abutting mechanism; 41. a first abutment assembly; 411. a positioning member; 412. a first yield component; 4121. a first abdicating cylinder; 4122. a first abutting cylinder; 42. a second abutment assembly; 421. a positioning cylinder; 422. a second abutment cylinder; 423. a positioning column; 4231. positioning the surface; 424. a guide plate; 4241. a sliding hole; 43. a third abutment assembly; 44. a second yield component; 441. a slide rail member; 4411. a chute; 442. a sliding member; 443. a second abdicating cylinder; 5. a manipulator; 6. positioning the clamping mechanism; 7. a rotating mechanism; 71. a mounting seat; 72. a rotating plate; 73. a rotating shaft; 74. a universal bearing; 75. a limiting component; 751. a limiting member; 752. an interference member; 76. a drive assembly; 761. a gear; 762. a rack; 763. a linear drive.

Detailed Description

The technical solution of the present invention is further described with reference to the accompanying drawings 1-7 and the embodiments.

Referring to fig. 1-7, an embodiment of the present invention provides an assembling and welding device for an automobile muffler bag, including a manipulator 5 for welding the muffler bag 1, a plurality of positioning and clamping mechanisms 6 arranged around the manipulator for clamping and positioning parts of the muffler bag 1, and a rotating mechanism 7 arranged at the bottom of the positioning and clamping mechanisms 6 for rotating the angle thereof to facilitate welding.

Here, two positioning and clamping mechanisms 6 are adopted, the manipulator 5 can adopt a welding robot purchased from the market, and the manipulator 5 is arranged between the two positioning and clamping mechanisms 6; the positioning and clamping mechanism 6 comprises a mounting frame 2, a clamping mechanism 3 which is arranged on the mounting frame 2 and used for positioning and clamping the partition plate 11, and an abutting mechanism 4 which is used for positioning and abutting against the first silencing pipe 12, the second silencing pipe 13 and the third silencing pipe 14; when the device is needed to be used for welding the silencing bag 1, the parts of the silencing bag are clamped and fixed on the device and then welded, so that the deformation generated by heating between the parts of the silencing bag 1 can be reduced, the qualified rate of the produced silencing bag 1 is higher, and the production efficiency of products is improved.

The mounting frame 2 is a rectangular frame-shaped member formed by four flat plates, the flat plates on two opposite sides are arranged in parallel, and the adjacent flat plates are arranged in a mutually perpendicular mode.

A driving member 35 is installed in the middle of one of the plates of the mounting frame 2, the driving member 35 is a cylinder with a guide rod or a cylinder or an electric cylinder, here a three-shaft cylinder, and when the driving member 35 is installed, its output shaft is arranged toward the plate opposite to the plate.

The clamping mechanism 3 comprises a first clamping component 31 and a second clamping component 32, and the first clamping component 31 is plugged on the second clamping component 32. The first snap-in assembly 31 is mounted on the plate opposite the driver 35 and the second snap-in assembly 32 is mounted on the output shaft of the driver 35. According to the shape of the partition board 11, a C-shaped opening is formed in the first clamping assembly 31 and the second clamping assembly 32 along the horizontal direction, and a clamping groove 33 for clamping the partition board 11 is formed in the inner wall of the opening in the circumferential direction; a connecting plate 36 is fixed to the output shaft of the driving member 35, the connecting plate 36 is a flat plate-shaped member, three second snap modules 32 are fixed to the connecting plate 36 in a direction toward the first snap module 31 according to the distance between the adjacent partition plates 11, and when the first snap modules 31 are installed, one first snap module 31 corresponds to each second snap module 32.

When the partition board 11 is clamped, in order to conveniently insert the second clamping component 32 onto the first clamping component 31, an insertion notch 311 is formed in the first clamping component 31, the insertion notch 311 is a sinking groove facing away from the second clamping component 32, and an insertion part 321 matched with the insertion notch 311 extends from the second clamping component 32; the transition port 312 with the width larger than that of the insertion notch 311 is arranged at the opening at the top of the insertion notch 311, and when the second clamping component 32 is inserted into the first clamping component 31, the transition port 312 has the functions of guiding and transition, so that the second clamping component 32 can be conveniently inserted into the first clamping component 31.

The first clamping assembly 31 and the second clamping assembly 32 are further provided with a positioning mechanism 34, the positioning mechanism 34 comprises a positioning block 341 arranged at the bottom of the insertion notch 311 and a positioning opening 342 arranged on the insertion part 321, the positioning block 341 is an isosceles trapezoid or triangular flat member with a bottom edge arranged at the bottom of the insertion notch 311, and the positioning opening 342 is a notch arranged at the end of the insertion part 321 and adapted to the positioning block 341; when the first clamping assembly 31 and the second clamping assembly 32 are used for positioning and clamping the partition board 11, the positioning mechanism 34 can more conveniently insert the first clamping assembly 31 and the second clamping assembly 32, so that the possibility that the first clamping assembly 31 and the second clamping assembly 32 are inconvenient to insert or large errors are generated in the distance between the partition boards 11 due to dislocation of the first clamping assembly 31 and the second clamping assembly is reduced.

According to the requirement, the first clamping component 31 and the second clamping component 32 can be manufactured by overlapping and splicing a plurality of flat components; the positions of the first clamping assembly 31 and the second clamping assembly 32 can be interchanged; the positions of the positioning block 341 and the positioning port 342 of the positioning mechanism 34 may be interchanged.

The abutting mechanism 4 is provided on both sides of the snapping mechanism 3, and the abutting mechanism 4 includes a first abutting assembly 41 for abutting and positioning the first muffling tube 12, a second abutting assembly 42 for abutting and positioning the second muffling tube 13, and a third abutting assembly 43 for abutting and positioning the third muffling tube 14.

The first abutting assembly 41 comprises a positioning member 411 and a first avoiding assembly 412 arranged on one side of the mounting frame 2, the positioning member 411 is an L-shaped component, the positioning member 411 is fixed on one side of the second clamping assembly 32 at the middle position, and the positioning member 411 is used for positioning the end position of the first silencing tube 12.

The first abdicating component 412 comprises a first abdicating cylinder 4121 and a first abutting cylinder 4122, wherein the first abdicating cylinder 4121 and the first abutting cylinder 4122 both adopt an air cylinder with a guide rod or an oil cylinder or an electric cylinder, and here, a three-shaft air cylinder is adopted; the first abdicating cylinder 4121 is horizontally arranged on a flat plate on the side face of the mounting frame 2, the first abutting cylinder 4122 is horizontally arranged on the output end of the first abdicating cylinder 4121 and is vertical to each other, the output shaft of the first abutting cylinder 4122 is arranged towards the positioning piece 411, and when the first abdicating cylinder 4121 is at the initial position, the first abutting cylinder 4122 gives out a position space for inserting the first silencing pipe 12 so as to conveniently penetrate the first silencing pipe 12 on the partition plate 11; when the first abdicating cylinder 4121 is at the maximum stroke position, the output shaft of the first abutment cylinder 4122 is directed to the first muffling tube 12; to increase the area of application of force to the first muffler pipe 12, a vertically disposed abutting plate, which is a flat plate-like member, is fixed to the output shaft of the first abutting cylinder 4122.

The second abutting assembly 42 includes a positioning cylinder 421 and a second abutting cylinder 422 which abut on both ends of the second muffling pipe 13, respectively; in the welding sound-deadening bag 1, the positioning portion 15 of the second sound-deadening tube 13 is used as a positioning reference for determining the distance between the second sound-deadening tube 13 and the partition plate 11, so that the positioning cylinder 421 is arranged at one end of the positioning portion 15 of the second sound-deadening tube 13, the second abutting cylinder 422 is arranged at the other end of the second sound-deadening tube 13, and the positioning cylinder 421 and the second abutting cylinder 422 both use air cylinders, and when the positioning cylinder 421 and the second abutting cylinder 422 are installed, the output shafts of the positioning cylinder 421 and the second abutting cylinder 422 are arranged oppositely, and the output shafts of the positioning cylinder 421 and the second abutting cylinder 422 are arranged coaxially with the second sound-deadening tube 13.

A positioning post 423 for positioning the positioning portion 15 of the second muffler pipe 13 is attached to the output shaft of the positioning cylinder 421, the positioning post 423 is a single cylindrical member coaxially fixed to the output shaft of the positioning cylinder 421, and a conical positioning surface 4231 is provided on a side of the positioning post 423 facing the second abutment cylinder 422.

In order to reduce the error generated when the positioning column 423 moves along the direction perpendicular to the moving direction of the positioning column 423 during sliding, a guide plate 424 is installed on the positioning cylinder 421, the guide plate 424 is a flat plate-shaped member, a sliding hole 4241 matched with the positioning column 423 is formed in the middle of the guide plate 424, and the guide plate 424 is installed on one side, provided with the output shaft, of the positioning cylinder 421; in order to facilitate the abutment of the second abutment cylinder 422 against the second muffling tube 13, an abutment plate is also provided on the output shaft thereof.

A second abdicating component 44 is arranged between the positioning cylinder 421 and the bottom of the mounting frame 2, and the second abdicating component 44 includes a slide rail member 441 arranged at the bottom of the mounting frame 2, a sliding member 442 vertically slidably arranged thereon, and a second abdicating cylinder 443 driving the sliding member 442 to reciprocate toward the second clamping component 32.

The slide rail member 441 is a flat plate-shaped member vertically fixed to the bottom of the mounting frame 2, and has a height made according to the relative height between the second muffler pipe 13 and the mounting frame 2; a notch is formed in the middle of the slide rail part 441 in the direction towards the second clamping component 32, sliding grooves 4411 are formed in two side portions of the notch, the second yielding cylinder 443 is an air cylinder, and the second yielding cylinder 443 is installed at the bottom of the notch; the sliding member 442 is a flat plate-shaped member fitted into the sliding groove 4411, and has a through hole formed in a middle portion thereof in a direction perpendicular to a main plane thereof, the sliding member 442 is fixedly connected to an output shaft of the second yielding cylinder 443, and the positioning cylinder 421 is installed at the through hole of the sliding member 442.

The second abdicating component 44 can change the position of the positioning cylinder 421, and when the second silencing pipe 13 is inserted into the partition plate 11, the possibility of interference between the second silencing pipe 13 and the positioning cylinder 421 can be reduced, and the second silencing pipe 13 can be inserted more conveniently.

The third abutment assembly 43 has the same structure as the second abutment assembly 42, except that: the direction of the positioning cylinder 421 is changed from that of the second abutment cylinder 422, and the positioning cylinder 421 of the third abutment unit 43 is also provided with a second abdicating unit 44, and the height of the slide rail member 441 is made according to the height between the third sound-deadening tube 14 and the mounting frame 2.

The rotating mechanism 7 comprises a mounting seat 71, a rotating plate 72 arranged at the top of the mounting seat and a rotating shaft 73 rotatably arranged between the mounting seat 71 and the rotating plate, the mounting seat 71 is a cuboid-shaped component, the mounting seat 71 can be made of square steel, and one surface of the top of the mounting seat is fixed with a flat plate piece; the rotating plate 72 is a rectangular flat plate member, the rotating shaft 73 is a rotary member rotatably arranged in the middle of the top plane of the mounting seat 71, two ends of the rotating plate extend out of the top plane of the mounting seat 71, and the rotating plate 72 is fixed on the top of the rotating shaft 73; the bottom of the rotating shaft 73 is provided with a driving assembly 76 for driving the rotating shaft 73 to rotate, the driving assembly 76 includes a gear 761 coaxially fixed at the bottom end of the rotating shaft 73, a rack 762 engaged therewith, and a linear driving member 763 arranged at one side of the mounting seat 71, the linear driving member 763 may be a hydraulic cylinder, an output shaft thereof is connected with the rack 762, and the two are located on the same straight line.

A plurality of universal bearings 74 are arranged between the mounting seat 71 and the rotating plate 72 along the circumferential direction of the rotating shaft 73, the universal bearings 74 are commercially available, and the universal bearings 74 are used for enhancing the bearing capacity of the rotation and reducing the possibility of deformation of the rotating plate 72.

A limiting assembly 75 is further arranged between the rotating plate 72 and the mounting seat 71, the limiting assembly 75 comprises a limiting member 751 and an interference member 752, and the limiting member 751 and the interference member 752 can be made of steel plates into a member with an L-shaped or T-shaped cross section; according to actual needs of a field, two limiting members 751 are fixed on the top of the mounting seat 71, one interference member 752 is fixed on one surface of the rotating plate 72, which faces the mounting seat 71, the limiting members 751 and the interference member 752 can be exchanged by mounting surfaces, and orthographic projections of the limiting members 751 and the interference member 752 on a horizontal plane are located on the same circumference with the rotating shaft 73 as a circle center.

The mounting frame 2 is fixed on the rotating plate 72 through bolt connection, when the positioning and clamping mechanism 6 needs to rotate, the linear driving piece 763 is started, the driving force is transmitted to the rotating shaft 73, and the function of limiting the rotating angle is achieved through the limiting component 75.

The application relates to an implementation principle of an automobile silencing bag assembling and welding device: starting a driving piece 35, separating the first clamping component 31 from the second clamping component 32, respectively clamping the three partition plates 11 in the clamping grooves 33, starting the first abdicating cylinder 4121 of the first abdicating component 412, abdicating the first abutting cylinder 4122, penetrating the first silencing tube 12 on the partition plate 11, starting the second abdicating cylinder 443 of the second abdicating component 44, abdicating the positioning cylinder 421, respectively penetrating the second silencing tube 13 and the third silencing tube 14 on the partition plate 11 from two sides of the device, starting the first abdicating cylinder 4121 and the second abdicating cylinder 443 again, respectively allowing the two positioning cylinders 421 to be coaxial with the second silencing tube 13 and the third silencing tube 14, starting the first cylinder 4122 to be abutted with the second cylinder 422, positioning and clamping the first silencing tube 12, the second silencing tube 13 and the third silencing tube 14, starting the linear driving piece 763, allowing the clamping component 31 and the second clamping component 32 to be abutted with the opening of the manipulator at one side of the C5 to be located close to the opening of the manipulator Welding is carried out; waiting to press from both sides the welding that can carry out the amortization package 1 after tight, after the welding is accomplished, start linear drive spare 763, order about its turned angle, make the opening side of "C" form open-ended of first joint subassembly 31 and second joint subassembly 32 just to operating personnel to conveniently unload. In the welding process, the clamping and positioning state is kept by the device, so that the deformation generated among parts of the device can be reduced, and the qualified rate of products is higher.

A processing technology for assembling and welding an automobile silencing bag comprises the following steps:

clamping

S1: the driving member 35 is started to drive the second clamping assembly 32 and the first clamping assembly 31 to separate from each other;

s2: the three partition plates 11 are respectively clamped in the clamping grooves 33 of the first clamping assembly 31, so that the partition plates 11 are arranged at intervals; the driving piece 35 is started to drive the second clamping assembly 32 to move towards the first clamping assembly 31, and the partition board 11 is positioned, clamped and fixed;

s3: respectively starting the first yielding cylinder 4121 and the second yielding cylinder 443 to move to make room, respectively penetrating the first silencing pipe 12, the second silencing pipe 13 and the third silencing pipe 14 on the partition board 11, and using the positioning part 411 as a positioning reference for positioning the end part of the first silencing pipe 12;

s4: the first yielding cylinder 4121 and the second yielding cylinder 443 are started again to return to the original positions, and the first abutting cylinder 4122 is started to clamp the first silencing pipe 12; the second abutting cylinder 422 is started to position and clamp the second silencing tube 13 and the third silencing tube 14 respectively, and at the moment, the two positioning columns 423 of the clamping mechanism 3 are used as positioning references matched with the positioning parts 15 of the second silencing tube 13 and the third silencing tube 14 respectively;

② welding

(2) S5: starting the manipulator 5 to weld, and respectively welding the positions of the first silencing pipe 12, the second silencing pipe 13 and the third silencing pipe 14, which are in contact with the partition plate 11, until the welding is finished, wherein the welding positions can be the abutting positions between the first silencing pipe 12, the second silencing pipe 13, the third silencing pipe 14 and the partition plate 11, or the gap positions between the first silencing pipe 12, the second silencing pipe 13, the third silencing pipe 14 and the partition plate 11;

thirdly, discharging

S6: the first abutting cylinder 4122 and the second abutting cylinder 422 are started to loosen and clamp, the driving piece 35 is started to drive the second clamping assembly 32 and the first clamping assembly 31 to be separated from each other, and the silencing bag 1 which is welded is taken down.

When the manipulator 5 is used for welding the parts of the silencing bag 1 on one of the positioning and clamping mechanisms 6, the other positioning and clamping mechanisms 6 can be unloaded or clamped.

Compared with the manual welding mode in the prior art, the clamping mechanism 3 and the abutting mechanism 4 can be used for rapidly positioning and clamping the three partition plates 11 and the positions between the three silencing tubes and the partition plates 11; after the clamping and positioning, the manipulator 5 is used for welding, the production efficiency of products is improved, the positioning and clamping mechanism 6 is still used for clamping in the welding process, the deformation amount of parts of the silencing bag 1 in the welding process is reduced, the qualified rate of the products is higher, and the production efficiency of the products is improved.

Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.

Claims (8)

1. The utility model provides an automobile silencing package equipment welding set which characterized in that: the welding machine comprises a manipulator (5) for welding a silencing bag (1), a plurality of positioning and clamping mechanisms (6) for clamping and positioning parts of the silencing bag (1) are arranged around the manipulator (5), and a rotating mechanism (7) for rotating the angle of the positioning and clamping mechanism (6) to facilitate welding is arranged at the bottom of the positioning and clamping mechanism (6);

the positioning and clamping mechanism (6) comprises a clamping mechanism (3) and a partition plate (11) for positioning and clamping the silencing bag (1), and a clamping groove (33) for clamping the partition plate (11) is formed in the clamping mechanism (3);

the driving piece (35) is used for driving the clamping mechanism (3) to clamp or loosen the partition plate (11);

the abutting mechanism (4) is used for positioning and abutting the silencing pipe penetrating through the partition plate (11);

the mounting frame (2) is used for mounting the driving piece (35), the clamping mechanism (3) and the abutting mechanism (4);

the clamping mechanism (3) comprises a first clamping component (31) and a second clamping component (32), wherein the first clamping component (31) is provided with an insertion notch (311), and the second clamping component (32) is provided with an insertion part (321) which is inserted in the insertion notch (311); there is positioning mechanism (34) that is used for fixing a position between first joint subassembly (31) and second joint subassembly (32), positioning mechanism (34) are provided with location mouth (342) of adaptation locating piece (341) including setting up locating piece (341) that are used for fixing a position second joint subassembly (32) in grafting breach (311) bottom on grafting portion (321).

2. The automobile muffler package assembling and welding device according to claim 1, wherein: the opening of the insertion notch (311) is provided with a transition port (312) for guiding the insertion part (321), and the opening of the transition port (312) is larger than that of the insertion notch (311).

3. The automobile muffler package assembling and welding device according to claim 1, wherein: the abutting mechanism (4) comprises a first abutting assembly (41) used for positioning and abutting against the first silencing pipe (12), the first abutting assembly (41) comprises a positioning piece (411) arranged on the first clamping assembly (31) and used for positioning the end part of the first silencing pipe (12) and a first yielding assembly (412) used for abutting against the first silencing pipe (12), the first yielding assembly (412) comprises a first yielding cylinder (4121) arranged on the mounting frame (2) and a first abutting cylinder (4122) arranged on an output shaft of the first yielding cylinder (4121) and used for abutting against the first silencing pipe (12), and the first abutting assembly (41) and the first yielding assembly are perpendicular to each other.

4. The assembling and welding device for the automotive muffler bag according to claim 3, wherein: the abutting mechanism (4) further comprises a second abutting assembly (42) for abutting against the second silencing tube (13) and a third abutting assembly (43) for abutting against the third silencing tube (14); the second abutting assembly (42) comprises a positioning cylinder (421) used for positioning a positioning part (15) of the second silencing pipe (13) and a second abutting cylinder (422) used for abutting against the other end of the second silencing pipe (13), the positioning cylinder (421) and the second abutting cylinder (422) are located on the same straight line, output shafts of the positioning cylinder (421) and the second abutting cylinder (422) are arranged in opposite directions, a positioning column (423) used for being matched with the positioning part (15) is arranged on the output shaft of the positioning cylinder (421), and a conical positioning surface (4231) is arranged at one end, facing the second abutting cylinder (422), of the positioning column (423).

5. The assembling and welding device for the automotive muffler bag according to claim 4, wherein: be provided with second subassembly (44) of stepping down between mounting bracket (2) and location cylinder (421), second subassembly (44) of stepping down includes slide rail spare (441), glide (442) and second cylinder (443) of stepping down, be provided with spout (4411) along vertical direction in slide rail spare (441) middle part, glide (442) slide and install in spout (4411), second cylinder (443) of stepping down is fixed in the bottom position department of spout (4411), its output shaft is connected fixedly with glide (442), location cylinder (421) are installed on glide (442).

6. The automobile muffler package assembling and welding device according to claim 1, wherein: the rotating mechanism (7) comprises an installation seat (71) and a rotating plate (72) used for being connected with the installation frame (2), a rotating shaft (73) is vertically arranged between the rotating plate (72) and the installation seat (71), and a plurality of universal bearings (74) used for supporting the rotating plate (72) are circumferentially arranged between the rotating plate (72) and the installation seat (71) around the rotating shaft (73).

7. The assembling and welding device for the automotive muffler bag according to claim 6, wherein: a limiting assembly (75) for limiting the rotation angle of the rotating plate (72) is arranged between the mounting seat (71) and the rotating plate (72), the limiting assembly (75) comprises two limiting members (751) which are fixed on the mounting seat (71) and used for limiting an initial position and an end position, and an interference member (752) arranged on the rotating plate (72), and the interference member (752) and the two limiting members (751) are arranged on a circumference which takes the rotating shaft (73) as a circle center.

8. A process for manufacturing an automotive muffler package using the assembly welding apparatus as set forth in claim 1, wherein: the method comprises the following steps:

clamping

S1: clamping the three partition plates (11) on the clamping mechanism (3) to enable the three partition plates (11) to be distributed at intervals;

s2: respectively penetrating a first silencing pipe (12), a second silencing pipe (13) and a third silencing pipe (14) on a partition board (11), and respectively positioning, abutting and fixing the three silencing pipes by using an abutting mechanism (4);

② welding

S3: and starting the manipulator (5) for welding, and respectively welding the positions of the first silencing pipe (12), the second silencing pipe (13) and the third silencing pipe (14) which are in contact with the partition plate (11) until the welding is finished.

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