CN112658481A - Air duct volute laser welding device - Google Patents
Air duct volute laser welding device Download PDFInfo
- Publication number
- CN112658481A CN112658481A CN202011642059.2A CN202011642059A CN112658481A CN 112658481 A CN112658481 A CN 112658481A CN 202011642059 A CN202011642059 A CN 202011642059A CN 112658481 A CN112658481 A CN 112658481A
- Authority
- CN
- China
- Prior art keywords
- laser welding
- volute
- air duct
- rotating mechanism
- hand
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000003466 welding Methods 0.000 title claims abstract description 113
- 230000007246 mechanism Effects 0.000 claims abstract description 65
- 230000005540 biological transmission Effects 0.000 claims description 16
- 238000003825 pressing Methods 0.000 claims description 8
- 239000000428 dust Substances 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims 1
- 239000011324 bead Substances 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 238000004887 air purification Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Landscapes
- Laser Beam Processing (AREA)
Abstract
The embodiment of the invention provides a laser welding device for an air duct volute, which comprises: the volute clamping device comprises a mounting seat, a rotating mechanism and a clamping mechanism, wherein the clamping mechanism is mounted on the mounting seat and is connected with the rotating mechanism; the laser welding hand is arranged above the volute clamping device; and the control device is respectively connected with the volute clamping device and the laser welding hand and used for controlling the rotating mechanism to drive the air duct volute to be welded to rotate and controlling the laser welding hand to weld the air duct volute to be welded. According to the air duct volute laser welding device provided by the embodiment of the invention, the rotating mechanism can drive the clamping mechanism and the air duct volute to rotate, so that a laser welding hand does not need to adjust the laser welding position, the welding is more stable in a clamp rotation adjusting mode, and the welding efficiency is higher.
Description
Technical Field
The invention relates to the technical field of welding, in particular to a laser welding device for an air duct volute.
Background
With the improvement of living standard and living condition of people, the increasing popularization of household gas cookers, the range hood has become a necessary household appliance for kitchen. Smoke ventilator mainly comprises casing, motor, wind wheel and control system etc. in the air purification device like smoke ventilator, the wind channel spiral case is very important part, and the wind channel spiral case is in production, and production facility is more complicated, and mechanization, automation level are lower, and the cost is higher, consequently, how to improve the production automation efficiency of wind channel spiral case and become the current problem that awaits the solution urgently.
Disclosure of Invention
The invention provides a laser welding device for an air duct volute, which comprises: the volute clamping device comprises a mounting seat, a rotating mechanism and a clamping mechanism, wherein the clamping mechanism is mounted on the mounting seat and is connected with the rotating mechanism; the laser welding hand is arranged above the volute clamping device; and the control device is respectively connected with the volute clamping device and the laser welding hand and used for controlling the rotating mechanism to drive the air duct volute to be welded to rotate and controlling the laser welding hand to weld the air duct volute to be welded.
In an implementation mode, the laser welding hand comprises a first adjusting device and a pressing roller, the first adjusting device is used for adjusting the height of the laser welding hand, the pressing roller is connected to the first adjusting device, the first adjusting device comprises a first driving piece and a first transmission assembly connected to the first driving piece, and the first transmission assembly is connected to the pressing roller.
In an embodiment, the laser welding hand further comprises a laser welding head, and the laser welding head is connected with the first adjusting device.
In an embodiment, the laser welding apparatus further includes a dust collecting device located above the laser welding hand.
In one embodiment, the control device includes a control panel for acquiring laser welding control parameters.
In an embodiment, the rotating mechanism is detachably mounted on the mounting seat, and the clamping mechanism is detachably connected with the rotating mechanism.
In an embodiment, the volute holding device further includes a second adjusting device for adjusting the height of the volute holding device, the second adjusting device includes a second driving member, and a second transmission assembly connected to the second driving member, and the second transmission assembly is connected to the holding mechanism.
In an implementation manner, the rotating mechanism includes a rotating driving member, a pulley assembly connected to the rotating driving member, and a rotating disc connected to the pulley assembly, and the rotating disc is connected to the air duct volute to be welded, and is used for driving the air duct volute to rotate.
According to the air duct volute laser welding device provided by the embodiment of the invention, the rotating mechanism can drive the clamping mechanism and the air duct volute to rotate, so that a laser welding hand does not need to adjust the laser welding position, the welding is more stable in a clamp rotation adjusting mode, and the welding efficiency is higher. According to the embodiment of the invention, after the air duct volute part is fed onto the clamping mechanism and positioned and fixed, the laser welding hand moves to the position above the workpiece to be welded, and the rotating mechanism drives the clamping mechanism to automatically rotate after laser welding is started so as to complete the welding of the air duct volute in the circumferential direction.
Drawings
The above and other objects, features and advantages of exemplary embodiments of the present application will become readily apparent from the following detailed description read in conjunction with the accompanying drawings. Several embodiments of the present application are illustrated by way of example, and not by way of limitation, in the figures of the accompanying drawings and in which:
in the drawings, the same or corresponding reference numerals indicate the same or corresponding parts.
FIG. 1 is a perspective view of an air duct volute laser welding apparatus of the present invention;
FIG. 2 is a schematic diagram of a laser welding hand according to the present invention;
FIG. 3 is a schematic view of a rotary driving member according to the present invention;
FIG. 4 is a schematic view of a pulley assembly of the present invention;
FIG. 5 is a cross-sectional view of a pulley assembly of the present invention;
FIG. 6 is a schematic view of a first partial structure of a rotating mechanism according to the present invention;
FIG. 7 is a second partial structural view of a rotating mechanism according to the present invention;
fig. 8 is a schematic structural diagram of a mounting base of the present invention.
Detailed Description
In order to make the objects, features and advantages of the present application more obvious and understandable, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are only a part of the embodiments of the present application, and not all the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present specification. Rather, they are merely examples of methods, apparatus or devices consistent with certain aspects of the specification, as detailed in the claims that follow.
The invention will be further illustrated with reference to the following examples and drawings:
referring to fig. 1 to fig. 3, an embodiment of the present invention provides a laser welding apparatus for an air duct volute, including:
the volute clamping device 10 comprises a mounting seat 11, a clamping mechanism 12 and a rotating mechanism 13, wherein the clamping mechanism 12 is mounted on the mounting seat 11, and the clamping mechanism 12 is connected with the rotating mechanism 13; a laser welding hand 20 arranged above the volute holding device 10; and the control device is respectively connected with the volute clamping device 10 and the laser welding hand 20 and is used for controlling the rotating mechanism 13 to drive the air duct volute to be welded to rotate and controlling the laser welding hand 20 to weld the air duct volute to be welded.
In the embodiment of the invention, the clamping mechanism 12 and the rotating mechanism 13 are arranged on the mounting seat 11, the connection mode can be detachable connection or fixed connection, in a specific embodiment, the clamping mechanism 12 is detachably arranged on the mounting seat 11, the clamping mechanism 12 is detachably connected with the rotating mechanism 13, and the clamping mechanism 12 and the rotating mechanism 13 can be detached to replace a clamp, so that collinear production of products of the same type or different types can be realized, and the requirement of quick type changing production of workpieces of different specifications can be met. During welding, the rotating mechanism 13 can drive the clamping mechanism 12 and the air duct volute to rotate, so that the laser welding hand 20 does not need to adjust the laser welding position, welding is more stable in a fixture rotation adjusting mode, and welding efficiency is higher. In the embodiment of the invention, after the air duct volute part is fed onto the clamping mechanism 12 and positioned and fixed, the laser welding hand 20 moves to the position above the workpiece to be welded, and the rotating mechanism 13 drives the clamping mechanism 12 to automatically rotate after the laser welding starts so as to complete the welding of the air duct volute in the circumferential direction. The laser welding is adopted to realize the connection between plates such as the butt welding or lap welding of workpieces, galvanized plates can be used for welding, and plates without surface treatment such as cold-rolled plates can also be used, and the galvanized plates can be used for welding, so that the subsequent processing such as paint spraying after the workpieces are formed can be omitted, and the environment protection, energy saving and consumption reduction can be realized.
In an embodiment, the laser welding hand 20 includes a first adjusting device for adjusting the height of the laser welding hand 20 and a pressing roller 23 connected to the first adjusting device, the first adjusting device includes a first driving member, a first transmission assembly connected to the first driving member, and the first transmission assembly is connected to the pressing roller 23. The laser welding hand further comprises a laser welding head, and the laser welding head is connected with the first adjusting device. The first driving part may specifically be a first air cylinder 21, the first transmission component may include a gear transmission component and/or a first sliding component including a first sliding rail 22, and the first air cylinder 21 drives a first sliding component on the first sliding rail 22 to move up and down, so as to drive the pressing roller 23 and the laser welding head to move up and down to complete the press-fitting or welding of the air duct volute.
In one embodiment, the laser welding robot 20 includes at least two laser welding heads located on the left and right sides. Through setting up two at least laser welder heads that are located the left and right sides, can realize the synchronous welding of wind channel both sides welding bead, greatly improve equipment utilization. In another specific embodiment, the laser welding hand 20 further includes a lateral adjusting device, which is connected to the laser welding heads on the left and right sides, respectively, for adjusting the distance between the laser welding heads on the left and right sides. Make the interval adjustable between the laser welder head of both sides through setting up horizontal adjusting device to when changing the wind channel spiral case of unidimensional, laser welding hand 20 also can adjust the interval between the laser welder head according to the welding bead size on the spiral case of different wind channels, makes the laser welder head can adapt to different welding bead intervals, and the welding mode that both sides welding bead automatic synchronization carries out the welding has greatly improved equipment utilization and welding efficiency.
In an embodiment, the volute holding device 10 further includes a second adjusting device for adjusting the height of the volute holding device 10, and the second adjusting device includes a second driving member, and a second transmission assembly connected to the second driving member, and the second transmission assembly is connected to the holding mechanism. Similarly, the second driving element may specifically be a second cylinder 121, the second transmission assembly may include a gear transmission assembly and/or a second sliding assembly including a second sliding rail 122, and the second cylinder 121 drives a second sliding element on the second sliding rail 122 to move up and down, so as to drive the clamping mechanism, the rotating mechanism 13, and the air duct volute to move up and down to perform welding positioning on the air duct volute.
In an embodiment, the rotating mechanism 13 includes a rotating driver 135, a pulley assembly 131 connected to the rotating driver 135, and a rotating disc 132 connected to the pulley assembly 131, wherein the rotating disc 132 is connected to the air duct volute to be welded for rotating the air duct volute. In another specific implementation manner, there are two rotating mechanisms 13, the two rotating mechanisms 13 are respectively located at two sides of the air duct volute, the rotating disc 132 is driven by the pulley assembly 131, the rotating disc 132 is further provided with a plurality of circumferentially distributed third air cylinders 133 and swing rods 134, and the rotating disc 132 drives the third air cylinders 133 and the swing rods 134 to rotate, so as to better assist the rotation of the air duct volute.
In one embodiment, the control device includes a control screen for acquiring laser welding control parameters. In yet another embodiment, the volute holding device 10 further comprises a clamping distance adjusting device connected to the holding mechanism 12 for adjusting the clamping distance of the holding mechanism 12.
For further improving the intellectuality of laser welding device, controlling means is including the control panel that can be used for setting up welding control parameter, welding control parameter can include rotation parameter and wait to weld work piece size parameter etc, when the input or selected the difference wait to weld work piece size parameter, controlling means can control horizontal adjusting device and clamp apart from adjusting device respectively and adjust clamping structure's centre gripping interval and laser welder's welding interval according to the spiral case welding bead interval of difference, make fixture 12 and laser welder 20 can both come the automatic welding interval between the clamp apart from and the both sides laser welder of fixture 12 of adjusting according to the difference wait to weld work piece size, realize welding intellectuality. The rotation parameters may include one or more of a rotation path, a rotation angle, and a rotation speed, for example, when the circumferential volute is welded, the rotation path is selected as circumferential rotation, and the control device controls the rotation mechanism 13 to drive the clamping mechanism 12 to perform circumferential rotation welding; when the welding bead is a complete circle, the rotating angle is 360 degrees, and then the control device controls the rotating mechanism 13 to drive the clamping mechanism 12 to rotate for 360 degrees so as to weld the complete welding bead; the rotating speed can be selected to be high, medium or low according to the welding requirements, and the control device controls the rotating mechanism 13 to rotate at different speeds according to different setting parameters, so that the welding speed of the laser welding head on a welding bead can be adjusted, and more intelligent laser welding is realized.
In one embodiment, the bottom of the mounting seat 11 is provided with a moving device. The laser welding hand 20 can be installed above the installation seat 11, and the volute clamping device 10 and the laser welding hand 20 can be integrally moved by arranging the moving device, so that the transportation is facilitated.
In yet another embodiment, the laser welding apparatus further includes a dust collecting apparatus located above the laser welding hand 20. The dust collecting device can wrap the laser welding head and the workpiece to be welded, so that waste dust generated in the laser welding process can be collected conveniently, and the environmental pollution is reduced.
Here, it should be noted that: the above two embodiments are similar to the above description of the method embodiments, and have similar advantages to the method embodiments, and for technical details not disclosed in the embodiments of the present invention, please refer to the description of the method embodiments of the present invention for understanding, so that details are not repeated.
In the embodiment of the present invention, the implementation order among the steps may be replaced without affecting the implementation purpose.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (8)
1. The utility model provides an air duct spiral case laser welding device which characterized in that includes:
the volute clamping device comprises a mounting seat, a rotating mechanism and a clamping mechanism, wherein the clamping mechanism is mounted on the mounting seat and is connected with the rotating mechanism;
the laser welding hand is arranged above the volute clamping device;
and the control device is respectively connected with the volute clamping device and the laser welding hand and used for controlling the rotating mechanism to drive the air duct volute to be welded to rotate and controlling the laser welding hand to weld the air duct volute to be welded.
2. The laser welding device according to claim 1, wherein the laser welding hand comprises a first adjusting device for adjusting the height of the laser welding hand and a pressing roller connected to the first adjusting device, the first adjusting device comprises a first driving member, and a first transmission assembly connected to the first driving member, and the first transmission assembly is connected to the pressing roller.
3. The detection device of claim 2, wherein the laser welding hand further comprises a laser welding head, the laser welding head being connected to the first adjustment device.
4. The laser welding apparatus according to claim 1, further comprising a dust collecting apparatus located above the laser welding hand.
5. The laser welding apparatus according to claim 1, wherein the control device comprises a control screen for acquiring laser welding control parameters.
6. The laser welding apparatus as recited in claim 1, wherein the rotating mechanism is detachably mounted on the mounting base, and the clamping mechanism is detachably connected with the rotating mechanism.
7. The laser welding apparatus of claim 1 wherein the volute holding device further comprises a second adjustment device for adjusting the height of the volute holding device, the second adjustment device comprising a second driving member, a second transmission assembly connected to the second driving member, the second transmission assembly being connected to the holding mechanism.
8. The laser welding device according to claim 1, wherein the rotating mechanism comprises a rotating driving member, a pulley assembly connected to the rotating driving member, and a rotating disc connected to the pulley assembly, and the rotating disc is connected to the air duct volute to be welded for driving the air duct volute to rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011642059.2A CN112658481A (en) | 2020-12-31 | 2020-12-31 | Air duct volute laser welding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011642059.2A CN112658481A (en) | 2020-12-31 | 2020-12-31 | Air duct volute laser welding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112658481A true CN112658481A (en) | 2021-04-16 |
Family
ID=75412313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011642059.2A Pending CN112658481A (en) | 2020-12-31 | 2020-12-31 | Air duct volute laser welding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112658481A (en) |
Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102689082A (en) * | 2012-06-04 | 2012-09-26 | 昆山市三众模具制造有限公司 | Welding machine for energy absorption box subassembly |
| CN104002034A (en) * | 2014-05-23 | 2014-08-27 | 建科机械（天津）股份有限公司 | Double-welding mechanism of reinforcement cage seam welder |
| CN205184096U (en) * | 2015-12-16 | 2016-04-27 | 安徽机电职业技术学院 | Deck of boat automatic welding dolly |
| CN205702934U (en) * | 2016-04-28 | 2016-11-23 | 昆山亚伦达自动化有限公司 | A kind of three casees open type girth welding machines |
| CN206065628U (en) * | 2016-09-21 | 2017-04-05 | 江西科技学院 | A kind of horizontal bicyclic seam automatic welding device |
| CN106862743A (en) * | 2017-04-12 | 2017-06-20 | 广州创研自动化设备有限公司 | One kind is used for smoke exhaust ventilator air channel spot welding special plane |
| CN206393082U (en) * | 2016-12-15 | 2017-08-11 | 江苏巨杰机电有限公司 | A kind of back axle automatic welding device |
| CN207642571U (en) * | 2017-12-20 | 2018-07-24 | 苏州迅镭激光科技有限公司 | A kind of double-station circumference laser soldering device |
| CN108568581A (en) * | 2017-03-09 | 2018-09-25 | 无锡骏业自动装备有限公司 | A kind of spiral case robot automatic welding machine |
| CN208162853U (en) * | 2018-04-02 | 2018-11-30 | 苏州迅镭激光科技有限公司 | A kind of handle laser soldering device |
| CN108927606A (en) * | 2018-08-07 | 2018-12-04 | 湖南创研智能装备有限公司 | A kind of spiral case welder |
| CN110091058A (en) * | 2019-05-10 | 2019-08-06 | 大族激光科技产业集团股份有限公司 | Laser soldering device and method |
| CN110102928A (en) * | 2019-06-05 | 2019-08-09 | 广州市元晟自动化科技有限公司 | A kind of draught fan impeller rush-harvesting and rush-planting welds the control system and method for simplified teaching |
| CN110394550A (en) * | 2019-07-03 | 2019-11-01 | 大族激光科技产业集团股份有限公司 | Laser welding apparatus and method |
| CN209830600U (en) * | 2019-03-01 | 2019-12-24 | 苏州三德精密机械有限公司 | Welding device for front end cover and shell of motor |
| CN111015057A (en) * | 2019-12-25 | 2020-04-17 | 中南大学 | Curved surface self-adaptive clamp for laser welding of spatial curved surface fan blade |
| CN210731465U (en) * | 2019-07-22 | 2020-06-12 | 江苏高铭科飞自动化设备有限公司 | Volute welding tool |
-
2020
- 2020-12-31 CN CN202011642059.2A patent/CN112658481A/en active Pending
Patent Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102689082A (en) * | 2012-06-04 | 2012-09-26 | 昆山市三众模具制造有限公司 | Welding machine for energy absorption box subassembly |
| CN104002034A (en) * | 2014-05-23 | 2014-08-27 | 建科机械（天津）股份有限公司 | Double-welding mechanism of reinforcement cage seam welder |
| CN205184096U (en) * | 2015-12-16 | 2016-04-27 | 安徽机电职业技术学院 | Deck of boat automatic welding dolly |
| CN205702934U (en) * | 2016-04-28 | 2016-11-23 | 昆山亚伦达自动化有限公司 | A kind of three casees open type girth welding machines |
| CN206065628U (en) * | 2016-09-21 | 2017-04-05 | 江西科技学院 | A kind of horizontal bicyclic seam automatic welding device |
| CN206393082U (en) * | 2016-12-15 | 2017-08-11 | 江苏巨杰机电有限公司 | A kind of back axle automatic welding device |
| CN108568581A (en) * | 2017-03-09 | 2018-09-25 | 无锡骏业自动装备有限公司 | A kind of spiral case robot automatic welding machine |
| CN106862743A (en) * | 2017-04-12 | 2017-06-20 | 广州创研自动化设备有限公司 | One kind is used for smoke exhaust ventilator air channel spot welding special plane |
| CN207642571U (en) * | 2017-12-20 | 2018-07-24 | 苏州迅镭激光科技有限公司 | A kind of double-station circumference laser soldering device |
| CN208162853U (en) * | 2018-04-02 | 2018-11-30 | 苏州迅镭激光科技有限公司 | A kind of handle laser soldering device |
| CN108927606A (en) * | 2018-08-07 | 2018-12-04 | 湖南创研智能装备有限公司 | A kind of spiral case welder |
| CN209830600U (en) * | 2019-03-01 | 2019-12-24 | 苏州三德精密机械有限公司 | Welding device for front end cover and shell of motor |
| CN110091058A (en) * | 2019-05-10 | 2019-08-06 | 大族激光科技产业集团股份有限公司 | Laser soldering device and method |
| CN110102928A (en) * | 2019-06-05 | 2019-08-09 | 广州市元晟自动化科技有限公司 | A kind of draught fan impeller rush-harvesting and rush-planting welds the control system and method for simplified teaching |
| CN110394550A (en) * | 2019-07-03 | 2019-11-01 | 大族激光科技产业集团股份有限公司 | Laser welding apparatus and method |
| CN210731465U (en) * | 2019-07-22 | 2020-06-12 | 江苏高铭科飞自动化设备有限公司 | Volute welding tool |
| CN111015057A (en) * | 2019-12-25 | 2020-04-17 | 中南大学 | Curved surface self-adaptive clamp for laser welding of spatial curved surface fan blade |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104002015B (en) | Vertical type circular seam automatic pipe welder | |
| CN111112863A (en) | Wind wheel rapid welding workstation | |
| CN205218273U (en) | Automatic argon arc welding equipment | |
| CN111804695A (en) | Cantilever type removes cover of breathing in | |
| CN2894922Y (en) | Circular weldment semiautomatic welding apparatus | |
| CN214291398U (en) | Air duct volute laser welding device | |
| CN202763286U (en) | Laser welding system of cross beam framework of automobile instrument panel | |
| CN112658481A (en) | Air duct volute laser welding device | |
| CN211331723U (en) | Profiling flame cutting machine | |
| CN205702934U (en) | A kind of three casees open type girth welding machines | |
| CN210334532U (en) | Adjustable cutting device is used in various steel sheet processing | |
| CN109396121B (en) | Metal cylinder circumferential weld self-cleaning welding set | |
| CN211489183U (en) | Spiral case roll extrusion device of borduring | |
| CN211489350U (en) | Special volute edge rolling forming machine | |
| CN213969605U (en) | Clamp for welding heating and ventilation pipe | |
| CN212122130U (en) | Automatic cutting and welding system for screw shaft | |
| CN211541198U (en) | Robot moving ground rail | |
| CN204277220U (en) | Lamp shade of ceiling lamp laser cutting machine | |
| CN104117854A (en) | Automatic heat exchange pipe coil spot welding device and method | |
| CN107876917B (en) | High-frequency induction brazing device | |
| CN111644785A (en) | Double-station welding machine | |
| CN219561479U (en) | General punching and buckling equipment for automobile engine cover strip | |
| CN204277255U (en) | The horizontal Dithering Loops welding machine in automatic rush-harvesting and rush-planting position | |
| CN211516351U (en) | Automatic welding device | |
| CN115415637B (en) | Flame cutting device for plasma cantilever beam support |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210416 |