CN111702290A - A accessory flame cutting equipment for machining - Google Patents
A accessory flame cutting equipment for machining Download PDFInfo
- Publication number
- CN111702290A CN111702290A CN202010855776.7A CN202010855776A CN111702290A CN 111702290 A CN111702290 A CN 111702290A CN 202010855776 A CN202010855776 A CN 202010855776A CN 111702290 A CN111702290 A CN 111702290A
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- China
- Prior art keywords
- seat
- flame
- cutting
- bottom plate
- accessory
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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
- B23K7/00—Cutting, scarfing, or desurfacing by applying flames
-
- 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 to a procedure covered by only one of the preceding main groups
- B23K37/02—Carriages for supporting the welding or cutting element
- B23K37/0252—Steering means
-
- 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 to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
-
- 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
- B23K7/00—Cutting, scarfing, or desurfacing by applying flames
- B23K7/10—Auxiliary devices, e.g. for guiding or supporting the torch
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Gas Burners (AREA)
Abstract
The invention relates to the field of flame cutting equipment, in particular to accessory flame cutting equipment for machining, which comprises a side frame, a top frame, a high-energy cutting gas cylinder, a gas supply hose and a bottom plate seat, wherein the side frame is fixedly installed between the top frame and the bottom plate seat, a universal wheel with a brake is further installed at the bottom of the bottom plate seat, an accessory fixing steering assembly is installed on the bottom plate seat, a screw driving assembly is further installed at the lower side of the top frame, a transverse moving seat is installed on the screw driving assembly and is used for driving the transverse moving seat to transversely move, a first telescopic cylinder is fixedly installed at the lower side of the transverse moving seat, a mixing swirl flame nozzle is installed at the lower end of the first telescopic cylinder, and the mixing swirl flame nozzle is further connected with the high-energy cutting gas cylinder arranged at the top of the top frame through the gas supply hose. The flame cutting nozzle has the advantages of good fixing effect on accessories, large cutting range, convenience in use and adjustment, novel structural arrangement of the nozzle and improvement of the flame cutting processing effect.
Description
Technical Field
The invention relates to the field of flame cutting equipment, in particular to accessory flame cutting equipment for machining.
Background
Flame cutting is a common mode of rough machining of steel plates, namely gas cutting, the traditional mode is acetylene gas cutting, and later propane is used, so that natural gas cutting is realized at present, and the natural gas cutting becomes the first choice of flame cutting due to the characteristics of abundant natural gas reserves, low price, no pollution and the like.
A flame cutting machine is a cutting device for cutting metal materials by using gas to distribute oxygen or gasoline to distribute oxygen, and is mainly used for cutting large metal plates in heavy industry. Current flame cutting equipment, it is not good to the fixed effect of accessory, and the cutting scope is little, and it is inconvenient to use the regulation, and the structure of nozzle sets up single tradition, has further influenced flame cutting processing's effect. Therefore, in view of the above situation, there is an urgent need to develop a flame cutting apparatus for a machined fitting to overcome the disadvantages in the current practical application.
Disclosure of Invention
It is an object of embodiments of the present invention to provide a flame cutting apparatus for machining accessories that solves the problems set forth in the background above.
In order to achieve the above purpose, the embodiments of the present invention provide the following technical solutions:
the utility model provides an accessory flame cutting equipment for machining, includes side bearer, roof-rack, high energy cutting gas cylinder, air feed hose and bottom plate seat, the installation is fixed with the side bearer between roof-rack and the bottom plate seat, and the area brake universal wheel is still installed to the bottom of bottom plate seat, install the fixed subassembly that turns to of accessory on the bottom plate seat, screw drive subassembly is still installed to the downside of roof-rack, installs the lateral shifting seat on the screw drive subassembly, just screw drive subassembly is used for driving lateral shifting seat lateral shifting, the downside installation of lateral shifting seat is fixed with first telescoping cylinder, and mixing swirl flame nozzle is installed to the lower extreme of first telescoping cylinder, mixing swirl flame nozzle is still connected with the high energy cutting gas cylinder that the roof-rack top set up through the air feed hose.
As a further scheme of the invention: the fixed subassembly that turns to of accessory is including fixed plate, rubber pad, cutting bed, second telescoping cylinder and rotating electrical machines, the cutting bed is discoid structure, and the top of bottom plate seat is located to the cutting bed, and the installation is fixed with rotating electrical machines on the bottom plate seat, and rotating electrical machines's output shaft is fixed with the downside intermediate junction of cutting bed, the outer lane circumference evenly distributed installation of cutting bed is fixed with a plurality of second telescoping cylinders, and the telescopic mandrel upper end installation of second telescoping cylinder is fixed with the fixed plate, and the rubber pad is installed to the downside of fixed plate.
As a further scheme of the invention: overlook of the fixed plate is oval, and the second telescopic cylinder circumference evenly distributed is provided with three.
As a further scheme of the invention: and the lower end of the cylinder body of the second telescopic cylinder is also provided with a supporting ball which is abutted against the upper surface of the bottom plate seat.
As a further scheme of the invention: screw rod drive assembly is including horizontal driving motor, direction arris board and threaded rod, threaded rod horizontal installation is in the downside of roof-rack, just the both ends and the side bearer of threaded rod rotate to be connected, still the installation is fixed with the horizontal driving motor who is connected with threaded rod one end on the side bearer, lateral shifting seat is installed on the threaded rod, sets up the screw hole with threaded rod cooperation threaded connection on the lateral shifting seat, trapezoidal form's guide way is seted up to the upside of lateral shifting seat, and the downside installation of roof-rack is fixed with the direction arris board with guide way cooperation sliding connection.
As a further scheme of the invention: mixing whirl flame nozzle is including the casing, the inner chamber of casing is the gas transmission chamber, and the gas transmission chamber is big-end-up's toper structure, and the lower extreme of casing is equipped with and just is the flame spout of circular form with gas transmission chamber intercommunication, the one end and the gas transmission chamber top intercommunication of air feed hose, the casing still can dismantle with the telescopic core axle of first telescoping cylinder and be connected fixedly.
As a further scheme of the invention: a bearing seat is fixedly arranged in the middle of the top of the gas transmission cavity, a rotating rod is rotatably arranged on the bearing seat, and a plurality of blades are circumferentially distributed and fixedly arranged at the lower end of the rotating rod; a flow equalizing screen plate is further installed and fixed on the outer side of the bearing seat, and the outer ring of the flow equalizing screen plate is fixedly connected with the side wall of the gas transmission cavity in a matched manner; and spiral grooves are also arranged on the wall of the gas transmission cavity at the lower side of the blade in a matching way.
Compared with the prior art, the embodiment of the invention has the beneficial effects that:
according to the accessory flame cutting equipment for machining, accessories can be fixed through the accessory fixing and steering assembly, the mixing swirl flame nozzle can be driven to transversely move through the screw driving assembly, the accessory fixing and steering assembly is matched to drive the accessories to rotate, and therefore large-scale cutting operation of the accessories through the mixing swirl flame nozzle is facilitated; can also drive mixing whirl flame nozzle through first telescoping cylinder and go up and down, can adapt to the fixed accessory cutting operation of not co-altitude of installation on the accessory turns to the subassembly, be worth promoting.
Drawings
Fig. 1 is a schematic front view of an embodiment of the present invention.
FIG. 2 is a schematic cross-sectional view of a blending swirl flame nozzle portion in an embodiment of the invention.
Fig. 3 is a schematic perspective view of a lateral moving seat according to an embodiment of the present invention.
FIG. 4 is a schematic perspective view of a cutting table section according to an embodiment of the present invention.
In the figure: 1-side frame, 2-transverse driving motor, 3-top frame, 4-high energy cutting gas cylinder, 5-gas supply hose, 6-guiding prismatic plate, 7-transverse moving seat, 8-first telescopic cylinder, 9-threaded rod, 10-uniform mixing swirl flame nozzle, 11-fixed plate, 12-rubber pad, 13-cutting seat, 14-second telescopic cylinder, 15-bottom plate seat, 16-universal wheel with brake, 17-supporting ball, 18-rotating motor, 19-shell, 20-bearing seat, 21-flow equalizing screen plate, 22-rotating rod, 23-blade, 24-gas transmission cavity, 25-spiral groove, 26-flame nozzle, 27-threaded hole and 28-guiding groove.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
Example 1
Referring to fig. 1-2, in an embodiment of the present invention, a flame cutting apparatus for machining accessories includes a side frame 1, a top frame 3, a high-energy cutting gas cylinder 4, a gas supply hose 5 and a base plate 15, a side frame 1 is fixedly arranged between the top frame 3 and the bottom plate seat 15, a universal wheel 16 with a brake is also arranged at the bottom of the bottom plate seat 15, the bottom plate seat 15 is provided with an accessory fixing steering component, the lower side of the top frame 3 is also provided with a screw driving component, the screw driving component is provided with a transverse moving seat 7, the screw driving component is used for driving the transverse moving seat 7 to transversely move, a first telescopic cylinder 8 is fixedly arranged at the lower side of the transverse moving seat 7, a mixing swirl flame nozzle 10 is arranged at the lower end of the first telescopic cylinder 8, the mixing swirl flame nozzle 10 is also connected with a high-energy cutting gas cylinder 4 arranged at the top of the top frame 3 through a gas supply hose 5.
In the embodiment of the invention, the structures of the high-energy cutting gas cylinder 4 and the gas supply hose 5 can be realized by adopting the prior art, and the control is not repeated; when the device is applied, the accessory can be fixed through the accessory fixing and steering assembly, the blending swirl flame nozzle 10 can be driven to transversely move through the screw driving assembly, the accessory is driven to rotate through the accessory fixing and steering assembly, and the accessory can be conveniently cut on a large scale through the blending swirl flame nozzle 10; can also drive mixing whirl flame nozzle 10 through first telescoping cylinder 8 and go up and down, can adapt to the fixed accessory cutting operation of not co-altitude of installation on the accessory fixed subassembly that turns to, be worth promoting.
Example 2
Referring to fig. 1-4, the difference between the present embodiment and embodiment 1 is:
in this embodiment, as shown in fig. 1 and 4, the accessory fixing and steering assembly includes a fixing plate 11, a rubber pad 12, a cutting table 13, a second telescopic cylinder 14 and a rotating motor 18, the cutting table 13 is a disc-shaped structure, the cutting table 13 is disposed above a base plate seat 15, the rotating motor 18 is mounted and fixed on the base plate seat 15, an output shaft of the rotating motor 18 is fixedly connected to the lower middle of the cutting table 13, the cutting table 13 can be driven to rotate by the rotating motor 18, a plurality of second telescopic cylinders 14 are uniformly distributed and mounted and fixed in the circumferential direction of an outer ring of the cutting table 13, the fixing plate 11 is mounted and fixed on the upper end of a telescopic mandrel of the second telescopic cylinder 14, the rubber pad 12 is mounted on the lower side of the fixing plate 11, the fixing plate 11 is driven by the second telescopic cylinder 14 to move up and down, the accessory to be cut can, is safe and reliable.
Furthermore, the overlook of the fixed plate 11 is in an oval shape, and the number of the second telescopic cylinders 14 is three, that is, the number of the fixed plates 11 is also three, so that the application effect is good.
Further, in order to improve the rotating stability of the cutting table 13, the lower end of the cylinder body of the second telescopic cylinder 14 is further provided with a supporting ball 17 abutted against the upper surface of the bottom plate seat 15, and the cutting table 13 can be supported in an auxiliary manner by matching the supporting ball 17 with the second telescopic cylinder 14, so that the rotating stability of the cutting table 13 is improved.
In this embodiment, as shown in fig. 1 and 3, the screw driving assembly includes a transverse driving motor 2, a guide edge plate 6 and a threaded rod 9, the threaded rod 9 is horizontally installed at the lower side of the top frame 3, two ends of the threaded rod 9 are rotatably connected with the side frame 1, a transverse driving motor 2 connected with one end of the threaded rod 9 is also fixedly arranged on the side frame 1, the threaded rod 9 can be driven to rotate by the transverse driving motor 2, the transverse moving seat 7 is arranged on the threaded rod 9, a threaded hole 27 which is matched with the threaded rod 9 and is in threaded connection is arranged on the transverse moving seat 7, the upper side of the transverse moving seat 7 is provided with a trapezoidal guide groove 28, the lower side of the top frame 3 is provided with a guide edge plate 6 which is matched and glidingly connected with the guide groove 28, the guide rib 6 and the guide groove 28 are arranged to prevent the lateral moving base 7 from twisting when moving laterally.
In this embodiment, as shown in fig. 1 and 2, mixing swirl flame nozzle 10 is including casing 19, casing 19's inner chamber is gas transmission chamber 24, and gas transmission chamber 24 is big-end-up's toper structure, and casing 19's lower extreme is equipped with the flame spout 26 that just is circular form with gas transmission chamber 24 intercommunication, the one end and the gas transmission chamber 24 top intercommunication of air feed hose 5, casing 19 still can dismantle with the telescopic core axle of first telescoping cylinder 8 and be connected fixedly, conveniently changes mixing swirl flame nozzle 10.
A bearing seat 20 is fixedly arranged in the middle of the top of the gas transmission cavity 24, a rotating rod 22 is rotatably arranged on the bearing seat 20, a plurality of blades 23 are circumferentially distributed and fixed at the lower end of the rotating rod 22, and when gas flows in the gas transmission cavity 24, the blades 23 can be driven to rotate, so that gas turbulence is facilitated, and the uniformity of gas distribution is improved; a flow equalizing screen plate 21 is further fixedly arranged on the outer side of the bearing seat 20, the outer ring of the flow equalizing screen plate 21 is fixedly connected with the side wall of the gas transmission cavity 24 in a matching manner, and the flow equalizing screen plate 21 is used for further uniformly distributing gas transmitted by the gas supply hose 5, so that the uniformity of flame spraying is improved; the wall of the air transmission cavity 24 at the lower side of the blade 23 is also provided with a spiral groove 25 in a matching way, and the spiral groove 25 is used for playing a role in swirling air and further improving the flame spraying effect.
The circuits, electronic components and modules involved are all prior art and may be implemented completely by those skilled in the art, without further elaboration, and the invention is not concerned with the improvement of software programs.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make several variations and modifications without departing from the concept of the present invention, and these should be considered as the protection scope of the present invention, which will not affect the effect of the implementation of the present invention and the utility of the patent.
Claims (7)
1. The utility model provides a accessory flame cutting equipment for machining, includes side bearer (1), roof-rack (3), high energy cutting gas cylinder (4), air feed hose (5) and bottom plate seat (15), the installation is fixed with side bearer (1) between roof-rack (3) and bottom plate seat (15), and area brake universal wheel (16), its characterized in that are still installed to the bottom of bottom plate seat (15):
the bottom plate seat (15) is provided with an accessory fixing steering assembly;
the lower side of the top frame (3) is also provided with a screw driving assembly, a transverse moving seat (7) is arranged on the screw driving assembly, and the screw driving assembly is used for driving the transverse moving seat (7) to transversely move;
a first telescopic cylinder (8) is fixedly arranged on the lower side of the transverse moving seat (7), and a mixing swirl flame nozzle (10) is arranged at the lower end of the first telescopic cylinder (8);
the mixing swirl flame nozzle (10) is also connected with a high-energy cutting gas cylinder (4) arranged at the top of the top frame (3) through a gas supply hose (5).
2. The flame cutting device for accessories for machining according to claim 1, characterized in that said accessory fixed turning assembly comprises a fixed plate (11), a rubber pad (12), a cutting table (13), a second telescopic cylinder (14) and a rotary motor (18);
the cutting table (13) is of a disc-shaped structure, the cutting table (13) is arranged above the bottom plate seat (15), a rotating motor (18) is fixedly installed on the bottom plate seat (15), and an output shaft of the rotating motor (18) is fixedly connected with the middle of the lower side of the cutting table (13);
the cutting table is characterized in that a plurality of second telescopic cylinders (14) are uniformly distributed and fixed on the outer ring of the cutting table (13) in the circumferential direction, a fixing plate (11) is fixedly arranged at the upper end of a telescopic mandrel of each second telescopic cylinder (14), and a rubber pad (12) is arranged on the lower side of the fixing plate (11).
3. The flame cutting device for machined accessories according to claim 2, characterized in that the fixed plate (11) has an oval shape in plan view, and three second telescopic cylinders (14) are uniformly distributed in the circumferential direction.
4. Accessory flame cutting device for machining according to claim 3 characterized in that the lower cylinder end of the second telescopic cylinder (14) is also fitted with a support ball (17) against the upper surface of the bedplate base (15).
5. The flame cutting device for machined accessories according to claim 1, characterized in that the screw drive assembly comprises a transverse drive motor (2), a guide edge plate (6) and a threaded rod (9);
the threaded rod (9) is horizontally arranged on the lower side of the top frame (3), two ends of the threaded rod (9) are rotatably connected with the side frame (1), and a transverse driving motor (2) connected with one end of the threaded rod (9) is fixedly arranged on the side frame (1);
the transverse moving seat (7) is arranged on the threaded rod (9), and a threaded hole (27) which is matched with the threaded rod (9) and is in threaded connection is formed in the transverse moving seat (7);
the upper side of the transverse moving seat (7) is provided with a trapezoidal guide groove (28), and the lower side of the top frame (3) is fixedly provided with a guide ridge plate (6) which is matched and slidably connected with the guide groove (28).
6. Accessory flame cutting device for machining according to any of claims 1 to 5 characterized in that the blending swirl flame nozzle (10) comprises a housing (19);
the inner cavity of the shell (19) is an air transmission cavity (24), the air transmission cavity (24) is of a conical structure with a large upper part and a small lower part, and the lower end of the shell (19) is provided with a circular flame nozzle (26) communicated with the air transmission cavity (24);
one end of the air supply hose (5) is communicated with the top of the air transmission cavity (24);
the shell (19) is also detachably connected and fixed with a telescopic mandrel of the first telescopic cylinder (8).
7. The flame cutting device for accessories for machining according to claim 6, characterized in that a bearing seat (20) is fixedly installed at the top middle of the air conveying cavity (24), a rotating rod (22) is rotatably installed on the bearing seat (20), and a plurality of blades (23) are circumferentially and fixedly installed at the lower end of the rotating rod (22);
a flow equalizing screen plate (21) is further installed and fixed on the outer side of the bearing seat (20), and the outer ring of the flow equalizing screen plate (21) is fixedly connected with the side wall of the gas transmission cavity (24) in a matched mode;
spiral grooves (25) are also arranged on the cavity wall of the air transmission cavity (24) at the lower side of the blade (23) in a matching way.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010855776.7A CN111702290A (en) | 2020-08-24 | 2020-08-24 | A accessory flame cutting equipment for machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010855776.7A CN111702290A (en) | 2020-08-24 | 2020-08-24 | A accessory flame cutting equipment for machining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111702290A true CN111702290A (en) | 2020-09-25 |
Family
ID=72547452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010855776.7A Pending CN111702290A (en) | 2020-08-24 | 2020-08-24 | A accessory flame cutting equipment for machining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111702290A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112536503A (en) * | 2020-11-25 | 2021-03-23 | 广州诺星智能科技有限公司 | Flame cutting equipment for machining mechanical parts |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2132924Y (en) * | 1992-09-03 | 1993-05-12 | 田苗 | Jet-suction type heating torch nozzle |
| CN201373410Y (en) * | 2009-04-04 | 2009-12-30 | 李继光 | Rotational flow type spray nozzle |
| CN205057262U (en) * | 2015-10-16 | 2016-03-02 | 四川豪特实业集团有限公司 | Full -automatic gas cutting device |
| KR20180014580A (en) * | 2016-08-01 | 2018-02-09 | 두산중공업 주식회사 | Nozzle Hole cutter. |
| CN208124290U (en) * | 2017-12-31 | 2018-11-20 | 浙江省浦江高峰管道燃气有限公司 | A kind of energy-efficient noise reduction cutting and welding torch using low pressure natural gas |
| CN209050232U (en) * | 2018-11-14 | 2019-07-02 | 天津海岸线航标安装有限公司 | A kind of gas cutting device of the safe and convenient for navigation mark installation |
| CN209349661U (en) * | 2018-12-12 | 2019-09-06 | 青岛武晓制管有限公司 | A kind of arc-shaped flange rapid cutting device of tunnel lining trolley |
| CN211248981U (en) * | 2019-12-23 | 2020-08-14 | 重庆市铨泰机械配件有限责任公司 | Gear ring welding device for gearbox |
-
2020
- 2020-08-24 CN CN202010855776.7A patent/CN111702290A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2132924Y (en) * | 1992-09-03 | 1993-05-12 | 田苗 | Jet-suction type heating torch nozzle |
| CN201373410Y (en) * | 2009-04-04 | 2009-12-30 | 李继光 | Rotational flow type spray nozzle |
| CN205057262U (en) * | 2015-10-16 | 2016-03-02 | 四川豪特实业集团有限公司 | Full -automatic gas cutting device |
| KR20180014580A (en) * | 2016-08-01 | 2018-02-09 | 두산중공업 주식회사 | Nozzle Hole cutter. |
| CN208124290U (en) * | 2017-12-31 | 2018-11-20 | 浙江省浦江高峰管道燃气有限公司 | A kind of energy-efficient noise reduction cutting and welding torch using low pressure natural gas |
| CN209050232U (en) * | 2018-11-14 | 2019-07-02 | 天津海岸线航标安装有限公司 | A kind of gas cutting device of the safe and convenient for navigation mark installation |
| CN209349661U (en) * | 2018-12-12 | 2019-09-06 | 青岛武晓制管有限公司 | A kind of arc-shaped flange rapid cutting device of tunnel lining trolley |
| CN211248981U (en) * | 2019-12-23 | 2020-08-14 | 重庆市铨泰机械配件有限责任公司 | Gear ring welding device for gearbox |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112536503A (en) * | 2020-11-25 | 2021-03-23 | 广州诺星智能科技有限公司 | Flame cutting equipment for machining mechanical parts |
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Application publication date: 20200925 |
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| RJ01 | Rejection of invention patent application after publication |