CN107877080B - Muffler welding and fixing device and application method thereof - Google Patents
Muffler welding and fixing device and application method thereof Download PDFInfo
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- CN107877080B CN107877080B CN201711350801.0A CN201711350801A CN107877080B CN 107877080 B CN107877080 B CN 107877080B CN 201711350801 A CN201711350801 A CN 201711350801A CN 107877080 B CN107877080 B CN 107877080B
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- 238000003466 welding Methods 0.000 title claims abstract description 81
- 238000000034 method Methods 0.000 title claims abstract description 17
- 230000007704 transition Effects 0.000 claims abstract description 82
- 230000003584 silencer Effects 0.000 claims abstract description 47
- 238000003825 pressing Methods 0.000 claims description 29
- 230000007246 mechanism Effects 0.000 claims description 8
- 230000008569 process Effects 0.000 abstract description 7
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 230000001681 protective effect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass
- B23K37/04—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Exhaust Silencers (AREA)
Abstract
The invention provides a muffler welding and fixing device and a using method thereof, and belongs to the technical field of welding equipment. The welding device solves the problem that the accuracy and efficiency are affected due to repeated fixation caused by the fact that the silencer needs to be turned over in the welding process of the existing silencer. The silencer welding fixing device comprises a bottom plate, wherein a main support seat for fixing a main shell of the silencer and two side support seats for fixing two ends of the silencer are fixedly arranged on the bottom plate, a driving device and two movable supports for fixing a silencer transition pipe are further arranged on the bottom plate, the movable supports are respectively arranged between the side support seats and the main support seat, and the driving device can drive the side movable supports to move up and down relative to the bottom plate. The movable support of the muffler welding fixing device can support the transition pipe, the muffler main shell and the connecting pipe to slide downwards after being connected through spot welding, so that a space is reserved, the welding device can weld the welding line at all positions conveniently, and the muffler can be welded only through once fixing.
Description
Technical Field
The invention belongs to the technical field of welding equipment, and relates to a muffler welding and fixing device and a using method thereof.
Background
The silencer is a device for preventing sound transmission and allowing air flow to pass through, is an important measure for eliminating aerodynamic noise, and is widely applied to equipment with loud exhaust port noise such as an engine, an air compressor, a generator and the like.
At present, most of the silencers are formed by welding, but the structure of the silencers is complex, and each part needs to be accurately positioned in the welding process so as to ensure the welding precision. For example, china patent (application number: 201320608528.8) discloses a horizontal high-efficiency assembling and welding machine for a tube protecting core tube of an automobile muffler, which comprises a bottom plate, a left side plate, a right side plate, a fixing block, a compression block and a positioning block, wherein the tube protecting core tube is fixed through the fixing block and the compression block, the left side plate and the right side plate respectively carry out inner circle positioning on a left mandrel and a right mandrel, and the positioning block supports the arc shape of the tube protecting core tube, so that all parts are relatively fixed to facilitate welding. However, the assembly welding tool has the following disadvantages: the positioning block is supported on the arc of the protective tube, so that the positioning block shields part of welding lines, the welding lines exposed on the upper side can only be welded firstly during welding, the protective tube and the mandrels on the two sides are manually turned over, the shielded welding lines are required to be positioned for the second time, and then the shielded welding lines are welded for the second time, so that the operation complexity is increased, time and labor are wasted, the position of each part can be influenced during turning, and the matching precision of each part and the connection strength of the welded part of the protective tube and the mandrels are reduced.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides a muffler welding and fixing device and a using method thereof, wherein the technical problems to be solved by the invention are as follows: how to make the muffler finish the welding of the transition pipe through one-time positioning.
The aim of the invention can be achieved by the following technical scheme:
The utility model provides a muffler welded fastening device, includes the bottom plate, set firmly the main support seat that is used for fixed muffler main casing and be used for two side supporting seats at fixed muffler both ends on the bottom plate, still be equipped with drive arrangement and two movable support that are used for fixed muffler transition pipe on the bottom plate, the movable support is located between side supporting seat and the main support seat respectively, drive arrangement can drive side movable support relative bottom plate reciprocates.
The silencer comprises a silencer main shell, two transition pipes and two connecting pipes, wherein two ends of the silencer main shell are respectively connected with the connecting pipes through the transition pipes, the caliber of the silencer main shell is larger, the caliber of the connecting pipes is smaller, one end of each transition pipe is larger, the silencer main shell is connected with one end of each transition pipe, one end of each transition pipe is smaller, the silencer main shell is connected with the connecting pipes, and the silencer main shell and the connecting pipes are integrally connected through all-position welding at the joints of the two ends of each transition pipe and the silencer main shell and the connecting pipes. This muffler welded fastening device supports muffler main casing through main supporting seat, fix the connecting pipe through the side supporting seat, and support the transition pipe through movable support, make each part of unwelded muffler keep connected state, then welding set makes transition pipe and muffler main casing and connecting pipe all keep stable the connection through spot welding earlier, then drive arrangement drive movable support moves down, make and leave the space between transition pipe and the bottom plate, welding set carries out all-position welding to the circumference that transition pipe and muffler main casing and connecting pipe are connected, thereby accomplish the welding of muffler. This muffler fixing device is at transition pipe connection back stable, vacates the space of transition pipe below, and welding set of being convenient for stretches into the welding, makes the muffler need not the upset and can accomplish whole welding, has both improved production efficiency, avoids moving the muffler at welding in-process secondary again, has improved the precision of muffler. Moreover, after the muffler is welded, the movable support can be driven to rise again to be propped against the transition pipe again, and the accuracy of the muffler can be rapidly detected by observing the contact surface between the transition pipe and the movable support.
In the silencer welding and fixing device, the bottom plate is further provided with two groups of sliding rails, sliding blocks are connected to the sliding rails in a sliding mode, and the sliding blocks are fixedly connected with a movable support respectively. The sliding rail improves the sliding precision of the movable support, namely the positioning precision of the transition pipe.
In the silencer welding and fixing device, the movable support is provided with the arc-shaped supporting groove which is used for being clamped with the transition pipe, the movable support is movably connected with the two movable stop blocks, and the two movable stop blocks can respectively abut against the pipe edges at the two ends of the transition pipe. The main body and the connecting pipe are inserted into the two ends of the transition pipe first, so that the pipe edges at the two ends of the transition pipe are all positioned at the outer side. The movable stop blocks on two sides of the arc-shaped supporting groove can respectively abut against the pipe edges on two ends of the transition pipe, limit the axial direction and the radial direction of the transition pipe together with the arc-shaped supporting groove, prevent the transition pipe from being displaced by external force during welding, and improve the positioning accuracy and the stability of the transition pipe.
In the silencer welding and fixing device, the movable support is provided with a rotating shaft, and the movable stop block is in a strip shape and is rotationally connected with the rotating shaft. After the transition pipe is clamped into the supporting groove, an operator can make the transition pipe abut against the pipe edge of the transition pipe by rotating the movable stop block, so that the transition pipe is axially positioned.
In the silencer welding fixing device, the movable support is provided with the guide block, the guide block is provided with the guide hole, the movable stop block is fixedly connected with the guide rod, the guide rod is in sliding connection with the guide hole, both ends of the guide rod extend out of the guide hole, the guide rod is sleeved with the spring, both ends of the spring are respectively propped against the movable stop block and the guide block, one end, away from the movable stop block, of the guide rod is fixedly connected with the limiting block, and the limiting block is propped against the guide block. The movable stop block always protrudes out of the two end faces of the supporting groove under the action of the thrust of the spring, and when the movable support moves upwards to be matched with the transition pipe, the movable stop block can automatically abut against the pipe edges at the two ends of the transition pipe, so that the positioning accuracy is improved, and the manual operation process is reduced.
In the welding and fixing device for the silencer, the upper end face of the movable stop block is an inclined face which is inclined outwards relative to the supporting groove from bottom to top. The inclined plane design of the upper end surface of the movable stop block is convenient for clamping the pipe edge of the support pipe.
In the silencer welded fastening device, the bottom plate is further provided with the pressing mechanism, the pressing mechanism comprises a mounting frame, a connecting rod, a pressing block and a hydraulic cylinder, the mounting frame is fixedly arranged on the bottom plate, the connecting rod is hinged to the upper end of the mounting frame, the pressing block is fixedly arranged at one end of the connecting rod, the hydraulic cylinder is fixedly arranged on the mounting frame and connected with the other end of the connecting rod, and the hydraulic cylinder can drive the connecting rod to swing so that the pressing block abuts against the upper surface of the transition pipe.
In the silencer welding and fixing device, the lower surface of the pressing block is an arc concave surface.
The muffler welding method adopting the muffler welding fixing device is characterized by comprising the following steps of:
Step one, connecting a main shell of the silencer, two connecting pipes and two transition pipes in a plugging manner to form the silencer into a complete shape;
step two, clamping the main shell of the silencer into a main supporting seat, respectively clamping the end parts of two connecting pipes into two side supporting seats, lifting a movable bracket, moving a pressing block downwards, and fixing a transition pipe;
Thirdly, performing spot welding on welding seams of the transition pipe, the muffler main shell and the connecting pipe;
And step four, driving the movable support to move downwards, lifting the pressing block upwards, and performing all-position welding on welding seams of the transition pipe, the silencer main shell and the connecting pipe. Therefore, welding can be completed by only fixing each part of the silencer once, so that the working efficiency is improved, the influence of repeated fixing on the positions among the parts of the silencer is avoided, and the finally obtained finished silencer product is kept with higher precision.
The welding method of the silencer further comprises a fifth step of driving the movable support to move upwards and return to the position when the transition pipe is fixed, and detecting the welding precision of the silencer according to the joint condition of the support groove and the transition pipe. The detection step further ensures the accuracy and quality of the silencer.
Compared with the prior art, the invention has the following advantages:
1. The movable support is movably designed, so that the movable support can move downwards after supporting and positioning of the transition pipe are completed, enough space is left, the welding equipment can weld all positions of the transition pipe in the circumferential direction conveniently, the muffler can complete the welding process of the transition pipe after being positioned once, the working efficiency is high, and the influence on the precision caused by overturning the muffler in the welding process is avoided.
2. According to the invention, after welding is finished, the movable support is driven to detect the silencer, so that the accuracy and quality of the silencer are ensured.
3. The movable support can limit the axial direction and the radial direction of the transition pipe at the same time, so that the transition pipe is prevented from being displaced in the welding process, and the precision of the silencer is improved.
Drawings
FIG. 1 is a schematic view of a muffler weld fixture apparatus;
FIG. 2 is a schematic view of the muffler after the muffler is secured by the muffler weld fixture;
FIG. 3 is a schematic illustration of the transition tube after the spot welded connection is completed;
FIG. 4 is an enlarged view of section a of FIG. 2;
FIG. 5 is a movable support of the first embodiment;
Fig. 6 is a movable bracket of the second embodiment.
In the figure, 1, a bottom plate; 2. a main support seat; 3. a side support base; 31. a fixing bolt; 41. a movable bracket; 411. a support groove; 412. a movable stop block; 413. a rotating shaft; 414. a guide block; 415. a guide rod; 416. a limiting block; 42. a driving device; 43. a slide rail, 44, a slide block; 51. a muffler main housing; 52. a transition pipe; 53. a connecting pipe; 6. a compression bar; 7. a pressing mechanism; 71. a mounting frame; 72. a connecting rod; 73. and (5) briquetting.
Detailed Description
The following are specific embodiments of the present invention and the technical solutions of the present invention will be further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.
Example 1
The utility model provides a muffler welded fastening device, includes bottom plate 1, main tributary supporting seat 2, two side supporting seats 3, two drive arrangement 42 and two movable support 41, and main tributary supporting seat 2 and two side supporting seats 3 set firmly on bottom plate 1, and drive arrangement 42 is located the below of bottom plate 1 and is connected with movable support 41, and drive arrangement 42 can drive movable support 41 and reciprocate relative bottom plate 1. This muffler welding fixture device uses with automatic welding equipment cooperation, and main support seat 2 fixes a position to muffler main body 51, and two side support seats 3 fix a position connecting pipe 53, and movable support 41 fixes a position transition pipe 52, makes each position of muffler relatively stable link together, after welding equipment passes through spot welding with transition pipe 52 both ends respectively with muffler main body 51 and connecting pipe 53 fixed connection, movable support 41 moves down in order to vacate the space below transition pipe 52, makes welding equipment accomplish the all-position welding of transition pipe 52 circumference.
Specifically, as shown in fig. 1 and 2, the main support seat 2 is located in the middle of the bottom plate 1, the two side support seats 3 are respectively located at two sides of the main support seat 2, and arc grooves are formed in the main support seat 2 and the side support seats 3, so that outer circles of the tubular silencer main housing 51 and the connecting pipe 53 are clamped in, and compression rods 6 are arranged on the main support seat 2 and the side support seats 3, and the muffler main housing 51 and the connecting pipe 53 can be radially positioned through the cooperation of the compression rods 6 and the arc grooves. The two movable brackets 41 are respectively located between the two side supporting seats 3 and the main supporting seat 2, the driving device 42 in the embodiment is a hydraulic cylinder, of course, other driving devices 42 such as a stepping motor or a cylinder can also be adopted, the two hydraulic cylinders are respectively located below the movable brackets 41 and fixedly connected with the lower ends of the movable brackets 41 through piston rods, sliding rails 43 are fixedly arranged between the two side supporting seats 3 and the main supporting seat 2, the extending directions of the sliding rails 43 and the piston rods are the same and are adjacent to the movable brackets 41, sliding blocks 44 are slidably connected on the sliding rails 43, and the sliding blocks 44 are fixedly connected with the movable brackets 41, so that the movable brackets 41 can move up and down along the sliding rails 43 under the driving of the hydraulic cylinders, and the moving accuracy of the movable brackets 41 is improved.
As shown in fig. 4 and 5, the upper end surface of the movable bracket 41 is provided with an arc-shaped supporting slot 411 matched with the outer surface of the transition pipe 52, the side walls of the movable bracket 41 where the two end surfaces of the supporting slot 411 are located are respectively provided with a rotating shaft 413, each rotating shaft 413 is rotatably connected with a strip-shaped movable stop block 412, and the movable stop block 412 can protrude out of the end surface of the supporting slot 411 or leave the end surface of the supporting slot 411 through rotation. Because the both ends of transition pipe 52 are pegged graft with muffler main casing 51 and connecting pipe 53 respectively, and the pipe edge at transition pipe 52 both ends all is located the outside, and operating personnel makes movable dog 412 support with the pipe edge of transition pipe 52 respectively through rotating movable dog 412 to carry out axial positioning to transition pipe 52, further improve the precision of transition pipe 52, avoid transition pipe 52 to receive external force influence to take place the displacement in the welding process moreover, improve the stability of transition pipe 52 location, make the muffler precision that the welding is accomplished higher.
Further, the bottom plate 1 is further provided with a pressing mechanism 7 matched with the movable support 41, the pressing mechanism 7 comprises a mounting frame 71, a connecting rod 72, a pressing block 73 and a hydraulic cylinder, the mounting frame 71 is fixedly arranged on the bottom plate 1, the hydraulic cylinder is fixedly arranged on the mounting frame 71, the connecting rod 72 is hinged to the upper end of the mounting frame 71, one end of the connecting rod 72 is fixedly connected with the pressing block 73, the other end of the connecting rod is connected with a piston rod of the hydraulic cylinder, the lower end face of the pressing block 73 is a cambered surface matched with the transition pipe 52, and the hydraulic cylinder can enable the pressing block 73 to move up and down through driving the connecting rod 72. After the muffler is fixed in place, the pressing block 73 can move downward so that the arc surface abuts against the upper surface of the transition pipe 52, and the transition pipe 52 is fixed together with the support slot 411.
Further, the side supporting seat 3 is further connected with a fixing bolt 31 in a sliding manner along the axial direction of the arc-shaped groove, the fixing bolt 31 is cylindrical, the diameter of the fixing bolt is the same as the inner circle of the connecting pipe 53, and after the end part of the connecting pipe 53 is placed in the arc-shaped groove, one end of the fixing bolt 31 extends into the connecting pipe 53 through the sliding fixing bolt 31 to limit the connecting pipe 53.
As shown in fig. 2 and 3, when the muffler is welded, in a first step, a main muffler shell 51, two connecting pipes 53 and a transition pipe 52 are connected in a plugging manner, so that the muffler is formed into a complete shape;
A second step; the main shell 51 of the silencer is clamped into the main supporting seat 2, the end parts of the two connecting pipes 53 are respectively clamped into the two side supporting seats 3, the movable bracket 41 is lifted, the pressing block 73 moves downwards, and the transition pipe 52 is fixed;
thirdly, performing the following steps; spot welding welds of the transition pipe 52 and the muffler main housing 51 and the connection pipe 53;
fourth step; the movable bracket 41 is driven to move downwards, the pressing block 73 is lifted upwards, and the welding equipment is controlled to carry out full-position welding on welding seams of the transition pipe 52, the muffler main shell 51 and the connecting pipe 53.
After the above steps are completed, a fifth step may be performed to drive the movable bracket 41 upward again to re-engage the support slot 411 with the transition pipe 52, and the welding accuracy of the muffler may be detected from the engagement between the support slot 411 and the transition pipe 52.
Example two
The technical scheme of this embodiment is basically the same as that of the first embodiment, and is different in that, as shown in fig. 6, a guide block 414 is fixedly arranged on a side wall of the movable support 41 where two end faces of the supporting slot 411 are located, the guide block 414 and the movable support 41 can be connected through welding and bolts, a guide hole with one end facing the supporting slot 411 is formed in the guide block 414, a guide rod 415 is inserted into the guide hole and two ends respectively extend out of the guide hole, the guide rod 415 can slide along the guide hole, one end of the guide hole facing the supporting slot 411 is fixedly connected with the movable stop 412, a spring is sleeved on one end of the spring, which is respectively abutted against the movable stop 412 and the guide block 414, a limit block 416 is fixedly arranged at one end of the guide rod 415 far away from the movable stop 412, the limit block 416 is abutted against the guide block 414, so that the movable stop 412 protrudes out of the end face of the supporting slot 411, and when the transition pipe 52 is clamped with the supporting slot 411, the movable stop 412 can be automatically clamped with the pipe edges at two ends of the transition pipe 52. Further, the upper end surface of the movable stopper 412 is an inclined surface inclined outwards from bottom to top relative to the supporting slot 411, so that the movable stopper 412 is easier to be engaged with the transition pipe 52.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the invention. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Although terms such as the base plate 1, the main support base 2, the side support base 3, the movable bracket 41, the support slot 411, the muffler main housing 51, the transition pipe 52, the connection pipe 53, the pressing rod 6, the pressing mechanism 7, the mounting bracket 71, the connection rod 72, the pressing block 73, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely for convenience in describing and explaining the nature of the invention; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present invention.
Claims (5)
1. The welding and fixing device for the silencer comprises a bottom plate (1), wherein a main support seat (2) for fixing a main shell (51) of the silencer and two side support seats (3) for fixing two ends of the silencer are fixedly arranged on the bottom plate (1), and the welding and fixing device is characterized in that a driving device (42) and two movable supports (41) for fixing a transition pipe (52) of the silencer are further arranged on the bottom plate (1), the movable supports (41) are respectively arranged between the side support seats (3) and the main support seat (2), and the driving device (42) can drive the side movable supports (41) to move up and down relative to the bottom plate (1); an arc-shaped supporting groove (411) for being clamped with the transition pipe (52) is formed in the movable support (41), two movable stop blocks (412) are movably connected to the movable support (41), the upper end faces of the movable stop blocks (412) are inclined planes which incline outwards from bottom to top relative to the supporting groove (411), and the two movable stop blocks (412) can respectively abut against pipe edges at two ends of the transition pipe (52); a rotating shaft (413) is arranged on the movable support (41), and the movable stop block (412) is in a strip shape and is rotationally connected with the rotating shaft (413); be equipped with guide block (414) on movable support (41), it has the guiding hole to open on guide block (414), movable dog (412) fixedly connected with guide arm (415), guide arm (415) and guiding hole sliding connection and the both ends of guide arm (415) all stretch out the guiding hole, the cover is equipped with spring and the both ends of spring are supported with movable dog (412) and guide block (414) respectively on guide arm (415), the one end that movable dog (412) was kept away from to guide arm (415) has linked firmly stopper (416), stopper (416) are supported with guide block (414).
2. The welding and fixing device for the silencer according to claim 1, wherein two groups of sliding rails (43) are further arranged on the bottom plate (1), sliding blocks (44) are connected to the sliding rails (43) in a sliding mode, and the sliding blocks (44) are fixedly connected with a movable support (41) respectively.
3. The muffler welding fixture device according to claim 1 or 2, wherein the bottom plate (1) is further provided with a pressing mechanism (7), the pressing mechanism (7) comprises a mounting frame (71), a connecting rod (72), a pressing block (73) and a hydraulic cylinder, the mounting frame (71) is fixedly arranged on the bottom plate (1), the connecting rod (72) is hinged to the upper end of the mounting frame (71), the pressing block (73) is fixedly arranged at one end of the connecting rod (72), the hydraulic cylinder is fixedly arranged on the mounting frame (71) and connected with the other end of the connecting rod (72), and the hydraulic cylinder can drive the connecting rod (72) to swing so that the pressing block (73) abuts against the upper surface of the transition pipe (52).
4. A muffler welding fixture as claimed in claim 3, wherein the lower surface of the pressing block (73) is an arc-shaped concave surface.
5. A method of using the muffler weld fixture apparatus, wherein the muffler weld fixture apparatus is the muffler weld fixture apparatus according to any one of claims 1 to 4, the method comprising the steps of:
Step one, connecting a main shell (51), two connecting pipes (53) and two transition pipes (52) of the silencer in a plugging manner to form the silencer into a complete shape;
Step two, clamping the main shell (51) of the silencer into the main supporting seat (2), respectively clamping the end parts of the two connecting pipes (53) into the two side supporting seats (3), lifting the movable bracket (41), downwards moving the pressing block (73), and fixing the transition pipe (52);
thirdly, performing spot welding on welding seams of the transition pipe (52), the silencer main shell (51) and the connecting pipe (53);
Step four, driving the movable bracket (41) to move downwards, lifting the pressing block (73) upwards, and performing all-position welding on welding seams of the transition pipe (52), the silencer main shell (51) and the connecting pipe (53);
And fifthly, driving the movable bracket (41) to move upwards and return to the position when the transition pipe (52) is fixed, and detecting the welding precision of the muffler from the fitting condition of the support groove (411) and the transition pipe (52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201711350801.0A CN107877080B (en) | 2017-12-15 | 2017-12-15 | Muffler welding and fixing device and application method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711350801.0A CN107877080B (en) | 2017-12-15 | 2017-12-15 | Muffler welding and fixing device and application method thereof |
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| CN107877080A CN107877080A (en) | 2018-04-06 |
| CN107877080B true CN107877080B (en) | 2024-05-14 |
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| CN202377651U (en) * | 2011-12-13 | 2012-08-15 | 河野精机(大连)有限公司 | Special ring welding machine capable of automatically tracking welding position |
| CN104511715A (en) * | 2013-09-30 | 2015-04-15 | 大连同泰汽车部件有限公司 | Horizontal efficient assembly welding machine for protecting pipe and core pipe of mobile muffler |
| CN203541925U (en) * | 2013-11-15 | 2014-04-16 | 芜湖双翼液压件有限公司 | Steel pipe assembly welding equipment |
| CN104889669A (en) * | 2015-06-23 | 2015-09-09 | 安徽江淮汽车股份有限公司 | corrugated pipe welding fixture of exhaust system |
| CN104942511A (en) * | 2015-07-17 | 2015-09-30 | 柳州海特迪桢瑟汽车部件有限公司 | Positioning device for exhaust pipe |
| CN105880891A (en) * | 2016-04-25 | 2016-08-24 | 苏州达恩克精密机械有限公司 | Rotary table welding mechanism of automobile exhaust pipe assembly machine |
| CN105798513A (en) * | 2016-05-09 | 2016-07-27 | 重庆格机械制造有限公司 | Positioning protection device for machining automobile muffler |
| CN205967928U (en) * | 2016-08-26 | 2017-02-22 | 宁波宏志机器人科技有限公司 | Welding jig of quadruplex position welding machine |
| CN106392457A (en) * | 2016-12-01 | 2017-02-15 | 无锡明珠钢球有限公司 | Fast positioning welding tool for automobile exhaust pipe |
| CN106475721A (en) * | 2016-12-23 | 2017-03-08 | 广东南海昌和模具有限公司 | Special-shaped sealing of tube clamping device |
| CN206632581U (en) * | 2017-03-22 | 2017-11-14 | 上海斯瑞佛汽车零部件有限公司 | Blast pipe welding tool setup |
| CN107344277A (en) * | 2017-08-02 | 2017-11-14 | 无锡红湖消声器有限公司 | Automobile exhaust pipe spinning cylinder is classified welding tooling and its welding method |
| CN207577769U (en) * | 2017-12-15 | 2018-07-06 | 浙江钱江机器人有限公司 | A kind of muffler weld fixture apparatus |
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