CN113399891A

CN113399891A - Metal welding equipment with protection mechanism

Info

Publication number: CN113399891A
Application number: CN202110945930.4A
Authority: CN
Inventors: 陆卫东
Original assignee: Nantong Turbo Metallurgical Environmental Protection Equipment Co ltd
Current assignee: Nantong Turbo Metallurgical Environmental Protection Equipment Co ltd
Priority date: 2021-08-18
Filing date: 2021-08-18
Publication date: 2021-09-17
Anticipated expiration: 2041-08-18
Also published as: CN113399891B

Abstract

The invention relates to the field of metal welding, and particularly discloses metal welding equipment with a protection mechanism. A defect for solving current metal welding equipment and exist when welding the metal sheet, can block the welding slag owing to there is not complicated structure on the metal sheet, just this moment causes the injury to technical staff very easily, for example: scald skin, scald bad clothes etc. and when needing to carry out two-sided welding to the metal sheet, upset metal sheet leads to welded junction to produce the crack again easily on the metal sheet, leads to the welding insecure, and waits for welded metal sheet cooling back another side of welding again to cause welding inefficiency again.

Description

Metal welding equipment with protection mechanism

Technical Field

The invention relates to welding equipment, in particular to metal welding equipment with a protection mechanism, and belongs to the field of metal welding.

Background

Metal welding is a manufacturing or sculpturing process that joins metals and is widely used in a variety of fields, such as: welding is needed in industries such as a welding workshop of an automobile, a generation factory of a rack bed and the like.

However, the existing metal welding equipment still has certain defects when in use, especially when welding a metal plate, the welding slag is easy to break away because the welding is accompanied with the generation of the welding slag, and the metal plate can block the welding slag because of no complex structure, so that the metal plate is easy to hurt technicians at the moment, for example: scald skin, scald bad clothes etc. and this kind of method of clothes of scald preventing for the technical staff wears the scald preventing is gone on again in hot season, simultaneously, when needs carry out two-sided welding to the metal sheet, need overturn the metal sheet of the good one side of butt welding this moment, and the upset leads to welding department of the good one side of welding to produce the crack again easily on the metal sheet, and then leads to welding insecure, and wait for the welded metal sheet to weld again after the cooling and the another side causes welding inefficiency, we provide a metal welding equipment with protection machanism.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides metal welding equipment with a protection mechanism.

The purpose of the invention can be realized by the following technical scheme:

a metal welding device with a protection mechanism comprises a shell and a welding head positioned above the shell, wherein the edge of one side of the top of the shell is fixedly connected with a second rhombic column, the position, close to the side edge, of the center of the top of the shell is fixedly connected with a first rhombic column, the first rhombic column is in transmission connection with a clamp through a transmission assembly, the clamp is provided with a clamping assembly, the top of the shell is fixedly connected with vertical plates, the vertical plates are two and are fixedly connected through a connecting piece at the bottom, the transmission assembly is in rotational connection with the vertical plates, the first rhombic column and the second rhombic column, transverse plates are arranged on four sides of the shell, grounding wires are fixedly connected at the bottom of the transverse plates, the transverse plates are in sliding connection with the shell through the protection assembly, the protection assembly is arranged inside the shell, and a recovery groove is formed in the center of the top of the shell, the bottom wallboard of accumulator is sunken to center department, and the bottom wallboard center department intercommunication of accumulator has the recovery hole, the one end intercommunication that the accumulator was kept away from in the recovery hole has the collection box, collect box sliding connection in the bottom one side of casing.

Preferably, the transmission assembly comprises a first gear, a rotating handle, a first bevel gear, a second bevel gear, a first rotating rod, a first bevel gear, a second rotating rod, a worm and a rotating shaft, the first rotating rod is rotatably connected to the vertical plate, the first rotating rod is fixedly sleeved with the second bevel gear, the second bevel gear is connected with the first bevel gear in a meshed manner, and the first bevel gear is rotatably connected with the connecting pieces at the bottoms of the two vertical plates.

Preferably, the first helical gear is located below the second helical gear, the rotation center lines of the first helical gear and the second helical gear are perpendicular to each other, a rotating handle is fixedly connected to a rotating shaft of the first helical gear, the rotating handle is L-shaped, two ends of the first rotating rod are respectively inserted into the two second rhombic columns, and two ends of the first rotating rod are fixedly connected with the first bevel gear.

Preferably, the first bevel gears are connected with second bevel gears in a meshing manner, meshing joints of the two second bevel gears and the two first bevel gears are symmetrical about the first rotating rod, the first bevel gears and the second bevel gears are rotationally connected with the second rhombic columns, the first bevel gears and the second bevel gears are meshed in the second rhombic columns, and the rotating directions of the second bevel gears in the two second rhombic columns are the same.

Preferably, the equal fixedly connected with second bull stick of second bevel gear, the second bull stick is inserted respectively into two first rhombus posts, the second bull stick rotates with first rhombus post to be connected, the equal fixedly connected with worm of tip that the second bull stick is located first rhombus post, the equal meshing of worm is connected with first gear, the equal fixedly connected with axis of rotation that first gear can stretch out and draw back, the one end that first gear was kept away from in the axis of rotation respectively with two anchor clamps fixed connection.

Preferably, the protection component comprises a sliding column, a first spring, a sliding groove, a first rack, a baffle, a second gear, a sealing plate, a second spring and a second rack, wherein the sliding column is fixedly connected to the transverse plate at the center of one side close to the shell, the sliding column is connected with the sliding groove formed in the side edge of the shell in a sliding mode, the first spring is fixedly connected to the bottom of the sliding column, and one end, far away from the sliding column, of the first spring is fixedly connected to a bottom wall plate of the sliding groove.

Preferably, the slide column is kept away from the first rack of one end top fixedly connected with of diaphragm, first rack meshing is connected with the second gear, the second gear is kept away from one side meshing of first rack and is connected with the second rack, one side fixedly connected with baffle that the second gear was kept away from to the second rack, the baffle is prepared by transparent resin, equal sliding connection of baffle, first rack and second rack is in the inside of casing.

Preferably, the top of baffle is the toper, and baffle sliding connection has the shrouding, and the shrouding is soft resin rubber preparation, shrouding sliding connection is in the top both sides of baffle and casing slip cavity, shrouding fixedly connected with second spring, the one end fixed connection that the shrouding was kept away from to the second spring is on the inside wallboard of casing, the one end bottom that the second spring was kept away from to the shrouding is equipped with the lead angle.

Preferably, the centre gripping subassembly is including rotating strip, lead screw, rotation cylinder, clamp plate, slider, slide rail and centre gripping groove, centre gripping groove has been seted up to the center department of anchor clamps, threaded connection has the lead screw on the wallboard that lies in centre gripping groove top on the anchor clamps, the top fixedly connected with of lead screw rotates the strip, the bottom of lead screw is rotated and is connected with the rotation cylinder.

Preferably, the rotating cylinder is fixedly connected with a pressing plate, the pressing plate is connected in the clamping groove in a sliding mode, the side edge of the pressing plate is fixedly connected with a sliding block, a sliding rail is arranged on a wall plate, located on the side edge of the clamping groove, of the clamp, and the sliding block is connected with the sliding rail in a sliding mode.

The invention has the beneficial effects that:

1. through the design of protection component for when the technical staff steps on the diaphragm, the baffle that corresponds with this diaphragm rises, because the baffle keeps off this moment in the front of technical staff, effectually prevented when technical staff welds the metal sheet, the welding slag that collapses to fly beats on one's body technical staff, scald technical staff's clothes or scald technical staff, the effectual security that has improved technical staff when the welding, avoided technical staff to wear thick scald's clothing when the welding simultaneously again.

2. Through the design of runner assembly for two anchor clamps are in the same time syntropy rotation under the drive of axis of rotation, have effectually prevented because of when welding the metal sheet two sides, because of rotating two metal sheets and asynchronous and lead to the appearance of splice welding crack on two metal sheets, have ensured welded accuracy when having improved welding efficiency, the effectual fastness of having guaranteed after two metal sheet welds.

3. Through the design of collecting box, accumulator and accumulator, effectual welding slag is collected in collecting the box, and then carries out centralized processing to the welding slag, the effectual clearance degree of difficulty that reduces the welding slag has reduced the pollution of welding slag to the welding workshop simultaneously, through the design of shrouding, the effectual transparency and the clean and tidy of having ensured the baffle, the welding slag that also can effectually prevent to collapse to fly falls into in the sliding cavity of baffle and casing.

Drawings

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

Fig. 1 is a schematic view of the overall structure of the present invention.

FIG. 2 is an enlarged view of the part A shown in FIG. 1 according to the present invention.

FIG. 3 is a schematic sectional view of the structure of the portion B-B shown in FIG. 1 according to the present invention.

Fig. 4 is an enlarged view of the structure of the portion D shown in fig. 3 according to the present invention.

FIG. 5 is a schematic cross-sectional view of the structure of the portion C-C shown in FIG. 1 according to the present invention.

FIG. 6 is an enlarged view of the structure of the portion E shown in FIG. 5 according to the present invention.

FIG. 7 is a schematic cross-sectional view of the fixture of FIG. 1 according to the present invention.

Fig. 8 is a schematic view illustrating a connection structure of the first and second bevel gears shown in fig. 2 according to the present invention.

In the figure: 1. a housing; 10. a clamp; 11. a collection box; 12. a recovery hole; 13. a recovery tank; 14. a first diamond-shaped column; 15. a second diamond-shaped column; 16. a transverse plate; 17. a ground line; 18. a vertical plate; 19. welding a head; 2. a transmission assembly; 20. a first gear; 21. turning a handle; 22. a first helical gear; 23. a second helical gear; 24. a first rotating lever; 25. a first bevel gear; 26. a second bevel gear; 27. a second rotating rod; 28. a worm; 29. a rotating shaft; 3. a guard assembly; 31. a traveler; 32. a first spring; 33. a chute; 34. a first rack; 35. a baffle plate; 36. a second gear; 37. closing the plate; 38. a second spring; 39. a second rack; 4. a clamping assembly; 41. rotating the strip; 42. a screw rod; 43. rotating the cylinder; 44. pressing a plate; 45. a slider; 46. a slide rail; 47. a clamping groove.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood 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. 1-8, a metal welding device with a protection mechanism comprises a housing 1 and a welding head 19 located above the housing 1, wherein the edges of one side of the top of the housing 1 are fixedly connected with a second diamond-shaped column 15, the position of the center of the top of the housing 1 close to the side edges is fixedly connected with a first diamond-shaped column 14, the first diamond-shaped column 14 is in transmission connection with a clamp 10 through a transmission assembly 2, the clamp 10 is provided with a clamping assembly 4, the top of the housing 1 is fixedly connected with a vertical plate 18, the vertical plate 18 has two vertical plates 18, the two vertical plates 18 are fixedly connected through a connecting piece at the bottom, the transmission assembly 2 is in transmission connection with the vertical plate 18, the first diamond-shaped column 14 and the second diamond-shaped column 15, the four sides of the housing 1 are respectively provided with a horizontal plate 16, the bottom of the horizontal plate 16 is fixedly connected with a grounding wire horizontal plate 17, the horizontal plate 16 is in sliding connection with the housing 1 through the protection assembly 3, the protection assembly 3 is arranged inside the housing 1, accumulator 13 has been seted up at casing 1's top center department, accumulator 13's bottom wallboard is sunken to center department, accumulator 13's bottom wallboard center department intercommunication has recovery hole 12, recovery hole 12 keeps away from accumulator 13's one end intercommunication has collection box 11, collect box 11 sliding connection in casing 1's bottom one side, through accumulator 13, recovery hole 12 and collection box 11's design, the effectual welding slag that will welds is collected in collecting box 11, and then carry out centralized processing to the welding slag, the effectual clearance degree of difficulty that has reduced the welding slag, the pollution of welding slag to the welding shop has been reduced simultaneously.

As a technical optimization scheme of the invention, the transmission assembly 2 comprises a first gear 20, a rotating handle 21, a first bevel gear 22, a second bevel gear 23, a first rotating rod 24, a first bevel gear 25, a second bevel gear 26, a second rotating rod 27, a worm 28 and a rotating shaft 29, wherein the first rotating rod 24 is rotatably connected to the vertical plate 18, the second bevel gear 23 is fixedly sleeved on the first rotating rod 24, the second bevel gear 23 is in meshing connection with the first bevel gear 22, the first bevel gear 22 is rotatably connected with connecting pieces at the bottoms of the two vertical plates 18, and through the design of the vertical plates 18, the first bevel gear 22 and the second bevel gear 23 can effectively rotate, so that the situation that the first bevel gear 22 cannot rotate to effectively mesh with the second bevel gear 23 due to no rotating support is avoided.

As a technical optimization scheme of the invention, the first bevel gear 22 is positioned below the second bevel gear 23, the rotation center lines of the first bevel gear 22 and the second bevel gear 23 are perpendicular to each other, the rotating shaft of the first bevel gear 22 is fixedly connected with the rotating handle 21, the rotating handle 21 is L-shaped, two ends of the first rotating rod 24 are respectively inserted into the two second rhombic columns 15, two ends of the first rotating rod 24 are both fixedly connected with the first bevel gear 25, the direction of the first rotating rod 24 for the power source of rotation is effectively changed through the meshing of the first bevel gear 22 and the second bevel gear 23, and meanwhile, through the design of the rotating handle 21, a technician can overturn the metal plate by using small force by utilizing the principle of a lever.

As a technical optimization scheme of the invention, the first bevel gears 25 are respectively connected with the second bevel gears 26 in a meshing manner, the meshing connection positions of the two second bevel gears 26 and the two first bevel gears 25 are symmetrical about the first rotating rod 24, the first bevel gears 25 and the second bevel gears 26 are rotationally connected with the second rhombic columns 15, the first bevel gears 25 and the second bevel gears 26 are meshed in the second rhombic columns 15, the rotating directions of the second bevel gears 26 in the two second rhombic columns 15 are the same, and the meshing connection positions of the two second bevel gears 26 and the two first bevel gears 25 are symmetrically designed about the first rotating rod 24, so that the rotating directions of the two second bevel gears 26 are the same, and the rotating directions of the rotating shafts 29 are ensured to be the same when rotating.

As a technical optimization scheme of the invention, the second bevel gears 26 are fixedly connected with second rotating rods 27, the second rotating rods 27 are respectively inserted into the two first rhombic columns 14, the second rotating rods 27 are rotatably connected with the first rhombic columns 14, the ends of the second rotating rods 27, which are positioned in the first rhombic columns 14, are respectively fixedly connected with worms 28, the worms 28 are respectively connected with first gears 20 in a meshing manner, the first gears 20 are respectively and fixedly connected with retractable rotating shafts 29, one ends of the rotating shafts 29, which are far away from the first gears 20, are respectively and fixedly connected with the two clamps 10, and the retractable design of the rotating shafts 29 enables the clamps 10 to move along with the extension and retraction of the rotating shafts 29, so that the clamps 10 can effectively clamp metal plates with different specifications, and the application range of the device is effectively improved.

As a technical optimization scheme of the invention, the protection assembly 3 comprises a sliding column 31, a first spring 32, a sliding groove 33, a first rack 34, a baffle 35, a second gear 36, a sealing plate 37, a second spring 38 and a second rack 39, wherein the sliding column 31 is fixedly connected to the transverse plate 16 near the center of one side of the shell 1, the sliding column 31 is connected with the sliding groove 33 arranged on the side of the shell 1 in a sliding manner, the bottom of the sliding column 31 is fixedly connected with the first spring 32, one end, far away from the sliding column 31, of the first spring 32 is fixedly connected to a bottom wall plate of the sliding groove 33, and the first spring 32 is designed to enable the baffle 35 to rise when a technician stands on the transverse plate 16 and enable the baffle 35 to fall when the technician leaves the transverse plate 16, so that the situation that the clamp 10 is inconvenient to clamp a metal plate due to the baffle 35 blocking the technician is effectively avoided.

As a technical optimization scheme of the invention, a first rack 34 is fixedly connected to the top of one end, away from the transverse plate 16, of the sliding column 31, a second gear 36 is connected to the first rack 34 in a meshed manner, a second rack 39 is connected to one side, away from the first rack 34, of the second rack 36, a baffle 35 is fixedly connected to one side, away from the second gear 36, of the second rack 39, the baffle 35 is made of transparent resin, the baffle 35, the first rack 34 and the second rack 39 are all connected to the inside of the shell 1 in a sliding manner, and the baffle 35 is made of transparent resin, so that when a technician welds a metal plate, the gap of the metal plate is effectively seen by the technician, and the condition that the sight of the technician for welding the metal plate is obstructed due to the design of the baffle 35 is avoided.

As a technical optimization scheme of the present invention, the top of the baffle 35 is tapered, the baffle 35 is slidably connected with a sealing plate 37, the sealing plate 37 is made of soft resin rubber, the sealing plate 37 is slidably connected to two sides of the top of a sliding cavity between the baffle 35 and the housing 1, the sealing plate 37 is fixedly connected with a second spring 38, one end of the second spring 38 away from the sealing plate 37 is fixedly connected to an inner wall plate of the housing 1, a guide corner is arranged at the bottom of one end of the sealing plate 37 away from the second spring 38, and the guide corner arranged on the sealing plate 37 enables the baffle 35 to effectively open the sealing plate 37, and on the other hand, when the baffle 35 descends, welding slag is prevented from falling into the sliding cavity between the baffle 35 and the housing 1 through the tapered contact between the sealing plate 37 and the top of the baffle 35.

As a technical optimization scheme of the invention, the clamping assembly 4 comprises a rotating bar 41, a screw rod 42, a rotating cylinder 43, a pressing plate 44, a sliding block 45, a sliding rail 46 and a clamping groove 47, the clamping groove 47 is formed in the center of the clamp 10, the screw rod 42 is in threaded connection with a wall plate on the top of the clamping groove 47 on the clamp 10, the rotating bar 41 is fixedly connected to the top of the screw rod 42, the rotating cylinder 43 is rotatably connected to the bottom of the screw rod 42, and the screw rod 42 is rotatably connected with the rotating cylinder 43, so that the pressing plate 44 is effectively prevented from rotating along with the screw rod 42 when the screw rod 42 rotates, and the situation that the pressing plate 44 cannot stably press a metal plate is prevented.

As a technical optimization scheme of the invention, the rotating cylinder 43 is fixedly connected with a pressure plate 44, the pressure plate 44 is slidably connected in a clamping groove 47, the side edge of the pressure plate 44 is fixedly connected with a sliding block 45, a sliding rail 46 is arranged on a wall plate positioned on the side edge of the clamping groove 47 on the clamp 10, and the sliding block 45 is slidably connected with the sliding rail 46. The sliding connection of the sliding rail 46 and the sliding block 45 is connected with the screw rod 42 through the rotating cylinder 43 and the pressing plate 44 in a rotating mode, and the pressing plate 44 is prevented from shifting in the descending process.

When the metal plate welding fixture is used, firstly, a metal plate is clamped through the clamping assembly 4, the metal plate is placed in the clamping groove 47, then the screw rod 42 descends by rotating the rotating strip 41, further the screw rod 42 drives the pressing plate 44 to descend, further the pressing plate 44 presses the metal plate, as the bottom ends of the clamping grooves 47 on the two fixtures 10 are positioned on the same horizontal plane, after the pressing plate 44 presses the metal plate, the two metal plates to be welded are contacted through the telescopic rotating shaft 29, at the moment, the plate surfaces of the two metal plates to be welded are positioned on the same height, in the process, the screw rod 42 and the rotating cylinder 43 rotate, the sliding block 45 slides in the sliding rail 46, and through the design of the screw rod 42 and the rotating cylinder 43, after the metal plate is clamped, the self-locking of the screw rod 42 and the threaded connection of the fixtures 10 is realized, the clamping looseness of the metal plate is effectively prevented, through the design of slider 45 and slide rail 46 for clamp plate 44 keeps the bottom surface level to descend all the time when descending, and the effectual metal sheet centre gripping that leads to because of the bottom surface slope condition appearance not tight that has prevented, rotates cylinder 43 simultaneously and can also play a stable effect when slider 45 and slide rail 46 slide, makes clamp plate 44 can not take place the slope skew when descending.

After two metal plates to be welded are clamped, a technician steps on the transverse plate 16, at the moment, the transverse plate 16 is under the action of the gravity of the technician, so that the sliding column 31 slides downwards, meanwhile, the first spring 32 contracts, the first rack 34 at the end part of the sliding column 31 also slides downwards along with the sliding column 31, the first rack 34 slides downwards to drive the second gear 36 to rotate, the second gear 36 rotates to drive the second rack 39 to move upwards, the second rack 39 moves upwards to drive the baffle 35 to ascend, when the baffle 35 ascends, the baffle 35 is firstly contacted with the guide corner of the closing plate 37, so that the baffle 35 extrudes the guide corner on the closing plate 37, the closing plate 37 moves towards the inner part of the welding head at the side edge of the sliding cavity of the baffle 35 and the shell 1, and then the closing plate 37 extrudes the second spring 38, so that the baffle 35 smoothly ascends, and the technician welds the metal plates by holding the welding head 19, because baffle 35 keeps off in the front of the technical staff this moment, effectually prevented when the technical staff welds the metal sheet that the welding slag that collapses to fly from hitting on the technical staff's body, scalded technical staff's clothes or scald technical staff, the effectual security that has improved technical staff when the welding.

When a technician needs to weld gaps on metal plates in other directions, the technician only needs to step on the corresponding transverse plate 16, at this time, the baffle plate 35 corresponding to the transverse plate 16 on the shell 1 rises to be blocked in front of the technician, and in the transverse plate 16 which is just stepped on by the technician, because the technician does not step on the transverse plate, the first spring 32 applies an upward force to the sliding column 31, so that the baffle plate 35 descends, in the descending process of the baffle plate 35, the seal plates 37 on two sides of the baffle plate 35 rub against two side faces of the baffle plate 35 under the action of the second spring 38, and when the baffle plate 35 slides downwards to the inside of the shell 1, the two seal plates 37 are closed, on one hand, the seal plates 37 rub against two side faces of the baffle plate 35, so that the baffle plate 35 can be effectively cleaned, substances which are retained by the baffle plate 35 due to blocking of collapsing welding slag are brushed off, so that the transparency and the cleanness of the baffle plate 35 are ensured, on the other hand, after the closing plate 37 is closed, the welding slag which is blown away can be effectively prevented from falling into the sliding cavity of the baffle 35 and the shell 1.

When a technician needs to weld two sides of a metal plate, after the technician welds one side of the metal plate, the rotating handle 21 is rotated to drive the first helical gear 22 to rotate, so that the first helical gear 22 drives the first rotating rod 24 to rotate through the second helical gear 23, the first rotating rod 24 drives the second rotating rods 26 to rotate through the first bevel gears 25 at the two ends of the first rotating rod 24, because the meshing positions of the second rotating rods 26 are symmetrical about the first rotating rod 24, the two second bevel gears 26 rotate in the same direction, so that the two second bevel gears 26 drive the two second rotating rods 27 to rotate in the same direction, the worm 28 at the end of the second rotating rod 27 is rotated by the same direction of rotation of the second rotating rods 27, the two first gears 20 rotate in the same direction, and the two first gears 20 drive the rotating shafts 29 to rotate in the same direction, and then make two axis of rotation 29 drive anchor clamps 10 syntropy respectively and rotate, and then make the metal sheet of centre gripping on anchor clamps 10 carry out the rotation of syntropy simultaneously, after rotating 180 with the metal sheet, stop rotating this moment and change handle 21, through the auto-lock of worm 28 and first gear 20, effectual rocking of axis of rotation 29 has been prevented, make the metal sheet remain static throughout under the centre gripping of anchor clamps 10, design through transmission assembly 2, make two anchor clamps 10 rotation of syntropy simultaneously under the drive of axis of rotation 29, effectually prevented because of when welding the metal sheet both sides, because of rotating two metal sheets asynchronous and leading to the appearance of the welding crack of the welding department on two metal sheets, welding efficiency has been improved and welding accuracy has been ensured simultaneously.

In the welded in-process, the welding slag can drop on casing 1 and metal sheet, when overturning the metal sheet, the welding slag on the metal sheet can drop in accumulator 13, and then drop in collecting box 11 through recovery hole 12, sweep into accumulator 13 through cleaning the welding slag on casing 1, the effectual welding slag of collecting in collecting box 11, and then carry out centralized processing to the welding slag, the effectual clearance degree of difficulty that has reduced the welding slag, the pollution of welding slag to welding workshop has been reduced simultaneously.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. The metal welding equipment with the protection mechanism comprises a shell (1) and a welding head (19) positioned above the shell (1), and is characterized in that the edge of one side of the top of the shell (1) is fixedly connected with a second rhombic column (15), the position, close to the side edge, of the center of the top of the shell (1) is fixedly connected with a first rhombic column (14), the first rhombic column (14) is in transmission connection with a clamp (10) through a transmission assembly (2), the clamp (10) is provided with a clamping assembly (4), the top of the shell (1) is fixedly connected with vertical plates (18), the vertical plates (18) are two in total and are fixedly connected through a connecting piece at the bottom, the transmission assembly (2) is in rotational connection with the vertical plates (18), the first rhombic column (14) and the second rhombic column (15), transverse plates (16) are arranged on four sides of the shell (1), the bottom of the transverse plate (16) is fixedly connected with a grounding wire (17), the transverse plate (16) is connected with the shell (1) in a sliding mode through a protection assembly (3), the protection assembly (3) is arranged inside the shell (1), a recovery groove (13) is formed in the center of the top of the shell (1), the bottom wall plate of the recovery groove (13) is sunken towards the center, a recovery hole (12) is communicated with the center of the bottom wall plate of the recovery groove (13), one end, far away from the recovery groove (13), of the recovery hole (12) is communicated with a collection box (11), and the collection box (11) is connected to one side of the bottom of the shell (1) in a sliding mode;

protection component (3) include traveller (31), first spring (32), spout (33), first rack (34), baffle (35), second gear (36), shrouding (37), second spring (38) and second rack (39), traveller (31) fixed connection is located near one side center of casing (1) on diaphragm (16) respectively, equal sliding connection of traveller (31) has spout (33) of seting up at casing (1) side, the first spring (32) of bottom fixedly connected with of traveller (31), the one end fixed connection that traveller (31) were kept away from in first spring (32) is on the bottom wallboard of spout (33).

2. The metal welding equipment with the protection mechanism according to claim 1, wherein the transmission assembly (2) comprises a first gear (20), a rotating handle (21), a first bevel gear (22), a second bevel gear (23), a first rotating rod (24), a first bevel gear (25), a second bevel gear (26), a second rotating rod (27), a worm (28) and a rotating shaft (29), the first rotating rod (24) is rotatably connected to the vertical plate (18), the first rotating rod (24) is fixedly sleeved with the second bevel gear (23), the second bevel gear (23) is connected with the first bevel gear (22) in a meshing manner, and the first bevel gear (22) is rotatably connected with a connecting piece at the bottom of the two vertical plates (18).

3. The metal welding equipment with the protection mechanism according to claim 2, wherein the first bevel gear (22) is located below the second bevel gear (23), the rotation center lines of the first bevel gear (22) and the second bevel gear (23) are perpendicular to each other, a rotating handle (21) is fixedly connected to a rotating shaft of the first bevel gear (22), the rotating handle (21) is L-shaped, two ends of the first rotating rod (24) are respectively inserted into the two second rhombic columns (15), and two ends of the first rotating rod (24) are both fixedly connected with first bevel gears (25).

4. The metal welding device with the protection mechanism according to claim 3, characterized in that the first bevel gears (25) are connected with second bevel gears (26) in a meshing mode, the meshing connection positions of the two second bevel gears (26) and the two first bevel gears (25) are symmetrical about the first rotating rod (24), the first bevel gears (25) and the second bevel gears (26) are rotatably connected with the second rhombic columns (15), the first bevel gears (25) and the second bevel gears (26) are meshed in the second rhombic columns (15), and the rotating directions of the second bevel gears (26) in the second rhombic columns (15) are the same.

5. The metal welding equipment with the protection mechanism according to claim 4, wherein the second bevel gears (26) are fixedly connected with second rotating rods (27), the second rotating rods (27) are respectively inserted into the two first rhombic columns (14), the second rotating rods (27) are rotatably connected with the first rhombic columns (14), the ends, located in the first rhombic columns (14), of the second rotating rods (27) are fixedly connected with worms (28), the worms (28) are respectively meshed with first gears (20), the first gears (20) are respectively fixedly connected with telescopic rotating shafts (29), and one ends, far away from the first gears (20), of the rotating shafts (29 are respectively fixedly connected with the two clamps (10).

6. The metal welding equipment with the protection mechanism is characterized in that a first rack (34) is fixedly connected to the top of one end, away from the transverse plate (16), of the sliding column (31), a second gear (36) is connected to the first rack (34) in a meshed mode, a second rack (39) is connected to one side, away from the first rack (34), of the second gear (36), a baffle (35) is fixedly connected to one side, away from the second gear (36), of the second rack (39), the baffle (35) is made of transparent resin, and the baffle (35), the first rack (34) and the second rack (39) are all connected to the inside of the shell (1) in a sliding mode.

7. The metal welding equipment with the protection mechanism is characterized in that the top of the baffle (35) is conical, a sealing plate (37) is slidably connected to the baffle (35), the sealing plate (37) is made of soft resin rubber, the sealing plate (37) is slidably connected to two sides of the top of a sliding cavity of the baffle (35) and the shell (1), a second spring (38) is fixedly connected to the sealing plate (37), one end, away from the sealing plate (37), of the second spring (38) is fixedly connected to an inner wall plate of the shell (1), and a guide corner is arranged at the bottom of one end, away from the second spring (38), of the sealing plate (37).

8. The metal welding equipment with the protection mechanism is characterized in that the clamping assembly (4) comprises a rotating strip (41), a screw rod (42), a rotating cylinder (43), a pressing plate (44), a sliding block (45), a sliding rail (46) and a clamping groove (47), the clamping groove (47) is formed in the center of the clamp (10), the screw rod (42) is connected to a wall plate, located at the top of the clamping groove (47), of the clamp (10) in a threaded mode, the rotating strip (41) is fixedly connected to the top of the screw rod (42), and the rotating cylinder (43) is rotatably connected to the bottom of the screw rod (42).

9. The metal welding equipment with the protection mechanism according to claim 8, wherein the rotating cylinder (43) is fixedly connected with a pressing plate (44), the pressing plate (44) is slidably connected in a clamping groove (47), a sliding block (45) is fixedly connected to the side edge of the pressing plate (44), a sliding rail (46) is arranged on a wall plate, located on the side edge of the clamping groove (47), of the fixture (10), and the sliding block (45) is slidably connected with the sliding rail (46).