CN111390436A - Smokeless welding device for mechanical manufacturing - Google Patents
Smokeless welding device for mechanical manufacturing Download PDFInfo
- Publication number
- CN111390436A CN111390436A CN202010233338.7A CN202010233338A CN111390436A CN 111390436 A CN111390436 A CN 111390436A CN 202010233338 A CN202010233338 A CN 202010233338A CN 111390436 A CN111390436 A CN 111390436A
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- welding
- smokeless
- machine manufacturing
- clamping
- welding device
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Classifications
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- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/007—Fume suction nozzles arranged on a closed or semi-closed surface, e.g. on a circular, ring-shaped or rectangular surface adjacent the area where fumes are produced
-
- 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
- B23K37/0211—Carriages for supporting the welding or cutting element travelling on a guide member, e.g. rail, track
-
- 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
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- 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
- B23K37/047—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work moving work to adjust its position between soldering, welding or cutting steps
Abstract
The invention discloses a smokeless welding device for machine manufacturing, which relates to the technical field of machine manufacturing, and comprises a workbench, an adjusting mechanism, a clamping mechanism, a flue gas purification mechanism and a welding table positioned in the middle of the upper end of the workbench, wherein the upper surface of the welding table is rectangular and provided with four placing plates. The three welding guns are matched with the rotary welding table, one-time welding of a plurality of welding positions on a processed object can be conveniently realized, continuous welding of the processed object can be realized, meanwhile, the clamping mechanism is matched with the design of the placing plate, the processed object can be conveniently clamped and fixed, the processed object is prevented from moving or shaking in the welding process to influence the welding effect, in addition, the protective shell is matched with the smoke purification mechanism for use, smoke generated in the welding process is conveniently pumped into the purification cavity for purification and then discharged, and the device is low in cost, high in welding effect and suitable for welding processing of large-batch objects.
Description
Technical Field
The invention relates to the technical field of mechanical manufacturing, in particular to a smokeless welding device for mechanical manufacturing.
Background
Machine manufacturing refers to the industrial sector engaged in the production of various power machines, hoisting and transport machines, chemical machines, textile machines, machine tools, instruments, meters and other mechanical devices, etc., the machine manufacturing industry provides technical equipment for the whole national economy, and in the machine manufacturing process, various processing devices are required, for example: the invention relates to a welding device for mechanical manufacturing, which comprises cutting, stamping, welding, polishing and the like.
Chinese patent discloses a multiple spot multiaspect welding equipment (No. CN104289836B), this patent technology easy operation, operating personnel only need through simple training and practice, can reach skilled workman's degree, but above-mentioned patent and the mechanical manufacturing welding set on the existing market, in welding process often can appear welding smoke and dust and spread to the air, harm operational environment and staff's healthy, and most welding set, the welding all is to welding to an article at every turn, and welding efficiency is lower. Accordingly, one skilled in the art provides a smokeless welding apparatus for machine manufacturing to solve the problems set forth in the background art described above.
Disclosure of Invention
The present invention is directed to a smokeless welding apparatus for machine manufacturing to solve the above-mentioned problems of the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a smokeless welding device for machine manufacturing comprises a workbench, an adjusting mechanism, a clamping mechanism, a flue gas purification mechanism and a welding table positioned in the middle of the upper end of the workbench, wherein four placing plates are arranged on the upper surface of the welding table in a rectangular shape;
the adjusting mechanism comprises three transverse cylinders which are arranged outside the welding table at one time, one end of each transverse cylinder is connected with a connecting plate, and the lower end of each connecting plate is connected with a vertical cylinder;
the clamping mechanism comprises a clamping cylinder and a push plate which are positioned at the upper end of the placing plate;
the flue gas purification mechanism is including being located the protective housing of workstation upper end, protective housing's upper surface is provided with the purifying box, and protective housing's inner wall and inside top all are provided with the mouth of smoking.
As a further scheme of the invention: the lower extreme of workstation is provided with the rack, four corners of the lower extreme of rack all are provided with the landing leg, and the front surface of rack is provided with the cabinet door, control panel is installed to protective housing's surface one side.
As a still further scheme of the invention: the lower extreme of horizontal cylinder is provided with the bracing piece, the lower extreme of vertical cylinder is connected with the welding rifle, horizontal cylinder passes through bracing piece fixed connection with the workstation, horizontal cylinder passes through connecting plate fixed connection with vertical cylinder.
As a still further scheme of the invention: the adjusting mechanisms are three in number and are respectively arranged around the welding table in a triangular mode.
As a still further scheme of the invention: the clamping mechanism further comprises a fixing plate located at one end of the clamping cylinder, the clamping cylinder is fixedly connected with the placing plate through the fixing plate, the telescopic end of the clamping cylinder is fixedly connected with one side face of the push plate, and a clamping plate is fixedly mounted at the position, corresponding to the push plate, of the other side of the upper surface of the placing plate.
As a still further scheme of the invention: the lower surface mid-mounting of welding bench has the connecting shaft pole, the internal connection that the lower extreme of connecting shaft pole is located the rack has the motor, and the connecting seat fixed connection is passed through to the inside bottom of motor and rack, the junction of welding bench and workstation is provided with the pivot, and the welding bench rotates through the connecting shaft pole with the motor and is connected.
As a still further scheme of the invention: the clamping mechanisms are four in number and correspond to the four placing plates respectively, and the three clamping mechanisms correspond to the three adjusting mechanisms and are located right below the welding guns respectively.
As a still further scheme of the invention: the flue gas purification mechanism is still including being located the inside air exhauster of purifying box, the end intercommunication of giving vent to anger of air exhauster has a tuber pipe, the one end intercommunication that goes out the tuber pipe purifies the cavity, the inside that purifies the cavity is provided with the filter screen, and purifies another lateral wall of cavity and has seted up the gas vent.
As a still further scheme of the invention: the air exhaust end of the exhaust fan is connected with a main air pipe, the lower end of the main air pipe is connected with a pipe frame, and the smoke exhaust port is provided with a plurality of groups which respectively penetrate through the protective shell and are in through connection with the pipe frame.
As a still further scheme of the invention: the utility model discloses a protection shell, including protection shell, air exhauster, main tracheal one end, purifying box and pipe support, protective shell and purifying box are run through to main tracheal one end and the end through connection of bleeding of air exhauster, and main tracheal other end and pipe support through connection, the pipe support is a door type hollow structure, and the pipe support is installed in protective shell's inner wall.
Compared with the prior art, the invention has the beneficial effects that: the invention designs a smokeless welding device for machine manufacturing, which is characterized in that during actual operation, a regulating mechanism is matched with a welding gun for use, so that the welding gun is convenient to regulate, three welding guns are matched with a rotary welding table for use, one-time welding of a plurality of welding positions on a processed object is convenient, continuous welding of the processed object can be realized, meanwhile, a clamping mechanism is matched with a placing plate for clamping and fixing the processed object, the phenomenon that the processed object moves or shakes during welding to influence the welding effect is avoided, in addition, a protective shell is matched with a smoke purification mechanism for use, so that smoke generated during welding is convenient to be covered, and the smoke generated during welding is pumped into a purification chamber for purification and then discharged by utilizing the matching of a smoke pumping port, an exhaust fan and the purification chamber, so that the device not only realizes synchronous welding of a plurality of processed objects, and can realize the function that many welding points once only welded and accomplish, the design of purification mechanism has further solved the problem of flue gas diffusion simultaneously, has realized smokeless formula welding effect, and the device is not only with low costs, and the welding effect is high, and purification efficiency is good, is suitable for the welding process of big batch article.
Drawings
FIG. 1 is a schematic view of a smokeless welding apparatus for machine manufacturing;
FIG. 2 is a schematic view of the installation of a welding gun and adjustment mechanism in a smokeless welding apparatus for machine manufacturing;
FIG. 3 is a schematic view of an adjustment mechanism in a smokeless welding apparatus for machine manufacturing;
FIG. 4 is a schematic diagram of a smoke purifying mechanism in a smokeless welding apparatus for machine manufacturing;
fig. 5 is a schematic view showing the connection of the clamping mechanism and the placing plate in a smokeless welding apparatus for machine manufacturing.
In the figure: 1. a work table; 2. a cabinet; 3. a support leg; 4. placing the plate; 5. a welding table; 6. a transverse cylinder; 7. a smoke exhaust port; 8. a protective housing; 9. a purification box; 10. a control panel; 11. an exhaust port; 12. a support bar; 13. a connecting plate; 14. a vertical cylinder; 15. welding a gun; 91. an exhaust fan; 92. an air outlet pipe; 93. filtering with a screen; 94. a main air pipe; 95. a pipe frame; 96. a decontamination chamber; 41. a clamping cylinder; 42. a fixing plate; 43. pushing the plate; 44. clamping a plate; 45. the shaft rod is connected.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of 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 invention.
Referring to fig. 1 to 5, in the embodiment of the present invention, a smokeless welding device for machine manufacturing includes a workbench 1, an adjusting mechanism, a clamping mechanism, a flue gas purifying mechanism, and a welding table 5 located in the middle of the upper end of the workbench 1, four placing plates 4 are arranged on the upper surface of the welding table 5 in a rectangular shape, a cabinet 2 is arranged at the lower end of the workbench 1, four corners of the lower end of the cabinet 2 are provided with supporting legs 3, a cabinet door is arranged on the front surface of the cabinet 2, and a control panel 10 is installed on one side of the outer surface of a protective housing 8.
The adjusting mechanism comprises three transverse cylinders 6 which are arranged outside the welding table 5 in one time, one end of each transverse cylinder 6 is connected with a connecting plate 13, the lower end of each connecting plate 13 is connected with a vertical cylinder 14, the lower end of each transverse cylinder 6 is provided with a supporting rod 12, the lower end of each vertical cylinder 14 is connected with a welding gun 15, the transverse cylinders 6 are fixedly connected with the workbench 1 through the supporting rods 12, the transverse cylinders 6 are fixedly connected with the vertical cylinders 14 through the connecting plates 13, the three adjusting mechanisms are arranged in sequence in a triangular mode around the welding table 5 respectively, the welding guns 15 are conveniently and accurately adjusted through the arrangement of the adjusting mechanisms, the connecting plates 13 can be driven to transversely move by the expansion and contraction of the transverse cylinders 6, the welding guns 15 are driven to transversely move, the vertical movement of the welding guns 15 can be realized by the expansion and contraction of the vertical cylinders 14, and set gradually three adjustment mechanism and welding gun 15 on welding bench 5, be convenient for carry out continuous type welding to a plurality of work pieces on welding bench 5, improve welding efficiency.
The clamping mechanism comprises a clamping cylinder 41 and a push plate 43 which are positioned at the upper end of the placing plate 4, and the clamping mechanism also comprises a fixing plate 42 which is positioned at one end of the clamping cylinder 41, the clamping cylinder 41 is fixedly connected with the placing plate 4 through the fixing plate 42, the telescopic end of the clamping cylinder 41 is fixedly connected with one side surface of the push plate 43, the other side of the upper surface of the placing plate 4 is fixedly provided with four clamping plates 44 corresponding to the push plate 43, the four clamping mechanisms respectively correspond to the four placing plates 4, and three of the clamping mechanisms respectively correspond to the three adjusting mechanisms right below the welding gun 15, the clamping mechanism is matched with the placing plate 4 for use, so that the processed object can be conveniently placed on the placing plate 4, and then control die clamping cylinder 41 and stretch out and draw back, promote push pedal 43 by die clamping cylinder 41 and remove to press from both sides tightly the work piece on placing board 4, avoid the work piece appear rocking or skew when the welding and influence its welding effect.
The middle part of the lower surface of the welding table 5 is provided with a connecting shaft rod 45, the lower end of the connecting shaft rod 45 is positioned in the cabinet 2 and is connected with a motor, the motor is fixedly connected with the bottom end in the cabinet 2 through a connecting seat, the joint of the welding table 5 and the workbench 1 is provided with a rotating shaft, the welding table 5 and the motor are rotationally connected through the connecting shaft rod 45, the motor can drive the welding table 5 to rotate by utilizing the connecting shaft rod 45 through the motor work under the welding table 5, and further can drive the placing plate 4 at the upper end to rotate by the welding table 5, so that the processed object on the placing plate 4 can be welded by the first welding gun 15 and then rotationally moved to the second welding gun 15 for welding, the positions of the first welding gun 15 and the second welding gun 15 are accurately adjusted according to the welding point on the object, and further the effect of welding at different welding positions on the processed object can be completed, the welding efficiency of the object is improved.
The smoke purification mechanism comprises a protective shell 8 positioned at the upper end of a workbench 1, a purification box 9 is arranged on the upper surface of the protective shell 8, smoke extraction ports 7 are arranged on the inner wall and the top end inside the protective shell 8, an exhaust fan 91 positioned inside the purification box 9 is further included, the air outlet end of the exhaust fan 91 is communicated with an air outlet pipe 92, one end of the air outlet pipe 92 is communicated with a purification cavity 96, a filter screen 93 is arranged inside the purification cavity 96, an exhaust port 11 is formed in the other side wall of the purification cavity 96, the air extraction end of the exhaust fan 91 is connected with a main air pipe 94, the lower end of the main air pipe 94 is connected with a pipe support 95, the smoke extraction ports 7 are provided with a plurality of groups which respectively penetrate through the protective shell 8 and are communicated with the pipe support 95, one end of the main air pipe 94 penetrates through the protective shell 8 and the purification box 9 and is communicated with the air, pipe support 95 is a door type hollow structure, and pipe support 95 installs in protecting sheathing 8's inner wall, the flue gas that produces when conveniently welding rifle 15 welds through gas cleaning mechanism purifies the discharge in real time, realize smokeless formula welding, utilize powerful air exhauster 91 work, carry out the suction through smoke outlet 7 in the flue gas that 8 inside productions of protecting sheathing are in pipe support 95, and then discharge into main air pipe 94 by pipe support 95, thereby flow into in the play tuber pipe 92 of air exhauster 91, and is further, discharge in purifying cavity 96 by the other end that goes out tuber pipe 92, filter screen 93 in purifying cavity 96 filters the back, discharge by gas vent 11, and easy and simple to handle, and carry out the extraction of whole aspect in the protecting sheathing 8, avoid welding the flue gas too much, the extraction speed leads to the flue gas to scatter inadequately and endanger the healthy of staff or operational environment's problem.
The clamping cylinder 41, the transverse cylinder 6 and the vertical cylinder 14 are SC series cylinders, and the motor in the cabinet 2 is a servo motor with the model of MCA17N23-RS0B 0.
The working principle of the invention is as follows: according to the smokeless welding device, in actual use, the processed object on the placing plate 4 can be clamped and fixed through the clamping mechanism, the clamping cylinder 41 is controlled to stretch and retract, and the pushing plate 43 is pushed by the clamping cylinder 41 to move, so that the processed object on the placing plate 4 is clamped, and the phenomenon that the processed object shakes or deflects during welding to influence the welding effect is avoided;
the welding gun 15 is adjusted transversely or longitudinally by the adjusting mechanism, the transverse cylinder 6 is controlled to work by a control switch on the control panel 10, the connecting plate 13 is driven to move transversely by the extension and retraction of the transverse cylinder 6, the welding gun 15 is driven to move transversely, and the welding gun 15 can move vertically by the extension and retraction of the vertical cylinder 14, so that the operation is facilitated;
when the objects are welded, the motor in the cabinet 2 is controlled to work through the control panel 10, and then the welding table 5 is driven to rotate by the motor through the connecting shaft lever 45, therefore, the processed object on the placing plate 4 is rotated, the first welding gun 15 can conveniently and directly rotate to the position below the second welding gun 15 after the welding of one welding point on the processed object is finished, the welding device is used for welding another welding point on a processed object, the height of the three welding guns 15 can be independently adjusted, the synchronous welding operation of a plurality of welding points on the surface of the processed object is conveniently realized, the problem that the processed object completes a plurality of welding points at one time is further solved, the welding operation of the same welding gun 15 which needs to be adjusted for a plurality of times is not needed, and the design of the rotary welding table 5, the rotary welding machine can perform accurate rotary movement on a processed object, is suitable for welding of large-batch objects, saves time and labor and is low in cost;
through the design of the protective shell 8, the generated smoke is convenient to be arranged on the inner side of the protective shell 8 during welding, the smoke generated in the protective shell 8 is sucked into the pipe frame 95 through the smoke sucking port 7 and then is discharged into the main air pipe 94 through the pipe frame 95 so as to flow into the air outlet pipe 92 of the exhaust fan 91, and further is discharged into the purifying cavity 96 through the other end of the air outlet pipe 92, and is filtered by the filter screen 93 in the purifying cavity 96 and then is discharged out of the exhaust port 11, the operation is simple and convenient, the smoke is extracted in all aspects in the protective shell 8, the problem that the smoke is too much and is not extracted enough to cause the outward scattering of the smoke to harm the health of workers or the working environment is avoided, the invention has high welding efficiency, good treatment effect on the smoke, the problem of the outward scattering of the smoke is avoided, the smoke-free welding operation is further realized, and meanwhile, a plurality of processing objects can be continuously welded, the function of completing one-time welding of a plurality of welding points can also be realized.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. A smokeless welding device for machine manufacturing comprises a workbench (1), and is characterized by further comprising an adjusting mechanism, a clamping mechanism, a flue gas purification mechanism and a welding table (5) positioned in the middle of the upper end of the workbench (1), wherein four placing plates (4) are arranged on the upper surface of the welding table (5) in a rectangular shape;
the adjusting mechanism comprises three transverse cylinders (6) which are arranged outside the welding table (5) at one time, one end of each transverse cylinder (6) is connected with a connecting plate (13), and the lower end of each connecting plate (13) is connected with a vertical cylinder (14);
the clamping mechanism comprises a clamping cylinder (41) and a push plate (43) which are positioned at the upper end of the placing plate (4);
the flue gas purification mechanism comprises a protective shell (8) located at the upper end of the workbench (1), a purification box (9) is arranged on the upper surface of the protective shell (8), and a smoke exhaust opening (7) is formed in the inner wall and the inner top end of the protective shell (8).
2. The smokeless welding device for machine manufacturing according to claim 1 is characterized in that a cabinet (2) is arranged at the lower end of the workbench (1), supporting legs (3) are arranged at four corners of the lower end of the cabinet (2), a cabinet door is arranged on the front surface of the cabinet (2), and a control panel (10) is arranged on one side of the outer surface of the protective shell (8).
3. The smokeless welding device for machine manufacturing according to claim 1 is characterized in that a support rod (12) is arranged at the lower end of the transverse cylinder (6), a welding gun (15) is connected at the lower end of the vertical cylinder (14), the transverse cylinder (6) is fixedly connected with the workbench (1) through the support rod (12), and the transverse cylinder (6) is fixedly connected with the vertical cylinder (14) through a connecting plate (13).
4. Smokeless welding device for machine building according to claim 1, characterized in that three adjusting mechanisms are provided, one behind the other in a triangular pattern around the welding table (5).
5. The smokeless welding device for machine manufacturing according to claim 1, wherein the clamping mechanism further comprises a fixing plate (42) located at one end of the clamping cylinder (41), the clamping cylinder (41) is fixedly connected with the placing plate (4) through the fixing plate (42), the telescopic end of the clamping cylinder (41) is fixedly connected with one side surface of the pushing plate (43), and a clamping plate (44) is fixedly installed at the other side of the upper surface of the placing plate (4) corresponding to the position of the pushing plate (43).
6. The smokeless welding device for machine manufacturing according to claim 2, wherein a connecting shaft rod (45) is installed in the middle of the lower surface of the welding table (5), the lower end of the connecting shaft rod (45) is located inside the cabinet (2) and is connected with a motor, the motor is fixedly connected with the bottom end inside the cabinet (2) through a connecting seat, a rotating shaft is arranged at the joint of the welding table (5) and the workbench (1), and the welding table (5) and the motor are rotatably connected through the connecting shaft rod (45).
7. Smokeless welding device for machine manufacturing according to claim 1, characterized in that there are four clamping mechanisms, one for each of the four resting plates (4), and in that three clamping mechanisms, one for each of the three adjusting mechanisms, are located directly below the welding gun (15).
8. The smokeless welding device for machine manufacturing according to claim 1, wherein the flue gas purification mechanism further comprises an exhaust fan (91) located inside the purification box (9), the air outlet end of the exhaust fan (91) is communicated with an air outlet pipe (92), one end of the air outlet pipe (92) is communicated with the purification chamber (96), a filter screen (93) is arranged inside the purification chamber (96), and an air outlet (11) is formed in the other side wall of the purification chamber (96).
9. The smokeless welding device for machine manufacturing according to claim 8, wherein the exhaust end of the exhaust fan (91) is connected with a main air pipe (94), the lower end of the main air pipe (94) is connected with a pipe frame (95), and the smoke exhaust port (7) is provided with a plurality of groups which respectively penetrate through the protective shell (8) and are in through connection with the pipe frame (95).
10. The smokeless welding device for machine manufacturing according to claim 9, characterized in that one end of the main gas pipe (94) penetrates through the protective casing (8) and the purification box (9) and is connected with the exhaust end of the exhaust fan (91) in a penetrating manner, the other end of the main gas pipe (94) is connected with a pipe frame (95) in a penetrating manner, the pipe frame (95) is of a door-shaped hollow structure, and the pipe frame (95) is installed in the inner wall of the protective casing (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010233338.7A CN111390436A (en) | 2020-03-27 | 2020-03-27 | Smokeless welding device for mechanical manufacturing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010233338.7A CN111390436A (en) | 2020-03-27 | 2020-03-27 | Smokeless welding device for mechanical manufacturing |
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| CN111390436A true CN111390436A (en) | 2020-07-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010233338.7A Pending CN111390436A (en) | 2020-03-27 | 2020-03-27 | Smokeless welding device for mechanical manufacturing |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112388198A (en) * | 2020-11-26 | 2021-02-23 | 徐锦善 | Shielding device for processing of strong magnetic equipment and operation method thereof |
| CN113828902A (en) * | 2021-09-27 | 2021-12-24 | 任伟 | Plasma arc welding machine |
| CN114799703A (en) * | 2022-05-31 | 2022-07-29 | 兰州城市学院 | Part welding equipment for machinery |
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| CN112388198A (en) * | 2020-11-26 | 2021-02-23 | 徐锦善 | Shielding device for processing of strong magnetic equipment and operation method thereof |
| CN113828902A (en) * | 2021-09-27 | 2021-12-24 | 任伟 | Plasma arc welding machine |
| CN114799703A (en) * | 2022-05-31 | 2022-07-29 | 兰州城市学院 | Part welding equipment for machinery |
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Application publication date: 20200710 |
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| RJ01 | Rejection of invention patent application after publication |