CN115213532A

CN115213532A - Semi-automatic electric arc welding machine with easily replaced welding rod

Info

Publication number: CN115213532A
Application number: CN202211062712.7A
Authority: CN
Inventors: 李公兵
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-09-01
Filing date: 2022-09-01
Publication date: 2022-10-21

Abstract

The invention discloses a semi-automatic arc welding machine with an easily replaced welding rod, which is provided with a shell, wherein a power supply assembly is arranged on the side surface of the shell through a bolt; the method comprises the following steps: the movable block is movably arranged on the inner side of the connector and is connected with the connector through a first spring; the support plate is fixed at the edge of the upper end face of the shell, a motor is mounted on the side face of the support plate through a bolt, and welding tongs are sleeved on the outer side of the screw rod; one end of the screw rod, which is close to the motor, is connected with one end of the connecting shaft through a belt pulley mechanism; one end of the screw rod, which is far away from the motor, is connected with the connecting cylinder through a belt pulley mechanism. This semi-automatic electric arc welding machine of easy change welding rod can avoid the change of interval to cause the uneven phenomenon that influences joint strength of welding seam to the welding rod and the interval adaptability adjustment between the welded plate material to after the welding, the welding slag of welding seam department adhesion that can be synchronous is cleared up, so that subsequent other processing of panel.

Description

Semi-automatic electric arc welding machine with easily replaced welding rod

Technical Field

The invention relates to the technical field of electric arc welding machines, in particular to a semi-automatic electric arc welding machine with an easily-replaced welding rod.

Background

Electric arc welding is the welding mode that utilizes electric current to produce heat and make the welding rod melt to connect to panel gap department, wherein the welding rod is the indispensable instrument in electric arc welding, and panel surface can produce a bellied welding seam after the welding, for example the novel waterproof lightweight electric arc welding machine that publication is CN210498758U, including the casing, the universal wheel is installed to the casing bottom, installs main control board, main circuit subassembly and power supply module in the casing, positive cable and negative cable are installed respectively to the positive negative pole of power supply module, and the welding rod storage box is installed to the top surface in the casing, installs on the casing with welding rod storage box complex sealing door, and the discharge passageway that is used for discharging the welding rod is installed to welding rod storage box bottom, and rotatable the material roller of installing in the discharge passageway, it has the stock chest that matches with the welding rod to arrange the material roller along its length direction, and discharge passageway bottom is connected with the collection case, opens on the casing and get the material mouth intercommunication and install the spring door, simple structure, removal convenience and have welding rod storage, preheat the function. However, the novel waterproof portable electric arc welder still has the following disadvantages in the actual use process:

1. because the welding rod is worn after being used and the length of the welding rod is continuously reduced, the position of the welding rod needs to be continuously adjusted in the welding process, and when deviation occurs, the welding seam is irregular, so that the strength of the joint of the plates is influenced, and a structure for automatically adjusting the distance between the welding rod and the welding seam in the welding process is lacked;

2. and the surface of the welding seam can be covered with a layer of welding slag after the plates are welded, and the cooling speed of the welding seam after welding is high, so that the traditional electric arc welding machine is inconvenient to carry out a structure for rapidly cleaning the welding slag at the welding seam after welding, and the difficulty of subsequent cleaning is increased.

Aiming at the problems, innovative design is urgently needed on the basis of the original electric arc welding machine.

Disclosure of Invention

The invention aims to provide a semi-automatic electric arc welding machine with an easily replaced welding rod, and aims to solve the problems that the prior art provides a structure which is used for automatically adjusting the distance between the welding rod and a welding seam in the welding process, and the traditional electric arc welding machine is inconvenient to rapidly clean welding slag at the welding seam after welding, so that the difficulty of subsequent cleaning is increased.

In order to achieve the purpose, the invention provides the following technical scheme: a semi-automatic arc welding machine with easily replaced welding rods is provided with a casing, a power supply assembly is mounted on the side face of the casing through a bolt, the top of the power supply assembly is used for supplying power to a welding tongs through a connecting wire, a connector is movably arranged at one end, away from the connecting wire, of the welding tongs, and the welding rods are clamped on the inner side of the connector;

the method comprises the following steps:

the movable block is movably arranged on the inner side of the connector and is connected with the connector through a first spring;

the support plate is fixed at the edge of the upper end face of the shell, the side face of the support plate is provided with a motor through a bolt, an output shaft of the motor is connected with a screw rod, a welding clamp is sleeved on the outer side of the screw rod, and the welding clamp is in threaded connection with the screw rod;

one end of the screw rod, which is close to the motor, is connected with one end of the connecting shaft through a belt pulley mechanism, the other end of the connecting shaft is fixedly sleeved with a bevel gear, a movable cylinder is fixedly penetrated inside the other bevel gear meshed with the bevel gear, a guide rod is movably penetrated through the top of the movable cylinder, a bearing plate is fixed at the top of the guide rod, and the bearing plate is embedded in the upper surface of the shell;

one end of the screw rod, which is far away from the motor, is connected with the connecting cylinder through a belt pulley mechanism, and the connecting cylinder movably penetrates through the supporting plate.

Preferably, the outside slip cover of connector is equipped with the collets, and the internal diameter of collets from last to reducing gradually down to paste the inner wall upper end of collets and have the rubber pad, therefore during the slip collets that makes progress, the inseparable laminating between accessible rubber pad and the connector guarantees the stability of movable block after the rotation.

Preferably, revolution mechanic is constituteed to movable block and connector, and the movable block is the slope setting initially to one side that the movable block is close to the welding rod is the cockscomb structure, and supreme crescent is followed to the one end external diameter that the connector is close to the soldering turret simultaneously, and when the cover piece separates with the movable block, the movable block is in the tilt state, and when the cover piece contacted with the movable block, can drive the movable block and rotate into vertical state and to the welding rod centre gripping.

Preferably, the movable barrel is in threaded connection with the guide rod at the right end, the guide rod at the right end is in sliding connection with the movable barrel, and the left end of the bearing plate is higher than the right end of the bearing plate, so that the bearing plate can be driven to rise through threaded transmission between the movable barrel and the guide rod to ensure that the distance between the plate and the welding rod is unchanged.

Preferably, connecting cylinder and backup pad are the bearing connection, and the tip screw thread of connecting cylinder runs through there is the movable rod to the movable rod is close to the one end fixedly connected with piston block of connecting cylinder, and the other end of movable rod is connected with the fixed plate simultaneously, consequently accessible when the connecting cylinder rotates drives piston block and fixed plate horizontal migration with the threaded connection of movable rod.

Preferably, the bottom activity of fixed plate is run through there is the connecting plate, and the top of connecting plate passes through the interior top surface interconnect of second spring and fixed plate to one side that the connecting cylinder was kept away from to the connecting plate is reserved has the exhaust vent, can promote the connecting plate and slide in the fixed plate when the loading board rises, and then guarantees the laminating nature of connecting plate and loading board.

Preferably, the top of the connecting plate is connected with one end of the first fixing pipe through the connecting hose, the connecting cylinder is communicated with the connecting plate through the first fixing pipe and the connecting hose, the other end of the first fixing pipe is fixedly connected with the upper side of the connecting cylinder, and when the piston block moves, gas at the right end of the connecting cylinder can enter the connecting plate.

Preferably, the lower edge of the connecting plate is provided with a scraping groove, the side of the connecting plate is fixed with a feeding pipe, one end, far away from the connecting plate, of the feeding pipe is connected with a second fixing pipe through another connecting hose, the second fixing pipe is fixedly connected with the lower side of the connecting cylinder, and negative pressure on the left side of the connecting cylinder can be transmitted to the feeding pipe when the piston block moves.

Preferably, the connecting cylinder is linked together with the inlet pipe through the fixed pipe of second and coupling hose, the bottom of connecting plate and the upper surface laminating of loading board slide, and connecting plate and fixed plate are telescopic connection, can reduce the consuming time of follow-up extra to panel clearance with the welding slag suction of scraping down through the inlet pipe.

Compared with the prior art, the invention has the beneficial effects that: this semi-automatic electric arc welding machine of easy change welding rod can be to the welding rod and by the interval adaptability adjustment between the welded plate material, avoids the change of interval to cause the phenomenon that the welding seam is irregular to influence joint strength to after the welding, the welding slag of adhesion is located to the welding seam that can be synchronous is cleared up, so that subsequent other processing of panel, specific content is as follows:

1. when the sleeve block slides downwards, the pushing on the movable block can be removed, so that the movable block can rotate into an inclined state through the resilience of the spring, the welding rod can be conveniently taken out or placed, then the sleeve block is pushed upwards and can be contacted with the movable block, and the inclined movable block can rotate into a vertical state so as to clamp the welding rod;

2. when the lead screw rotates to drive the welding tongs to move horizontally, the movable cylinder can be driven to rotate through the belt pulley mechanism and the transmission belt meshed with the bevel gear, so that the bearing plate can be driven to rise through the threaded connection with the guide rod, and when the length of the welding rod moving to the right is continuously reduced, the height of the bearing plate can be continuously increased, so that the distance between a welded plate and the welding rod is not changed, and the regularity of a welding seam is ensured;

3. when the soldering turret moved to the right, through the threaded connection between connecting cylinder and the movable rod, can drive piston block and the synchronous right of fixed plate and move, can enough push the gas in the connecting cylinder into fixed pipe when removing through the piston block like this, then the cooling of the air-out air-vent blown off is with higher speed the welding seam, accessible scraping groove strikes off the welding slag on the welding seam again, then through the negative pressure that produces when removing of piston block, the synchronous welding slag suction that will scrape down through the inlet pipe, promote the convenience of clearance.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic front sectional view of the connector of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2 according to the present invention;

FIG. 4 is a schematic structural view of the movable block and the welding rod of the present invention after being engaged;

FIG. 5 is a schematic view of a front cross-sectional structure of the housing of the present invention;

FIG. 6 is a schematic front sectional view of the connecting cylinder of the present invention;

FIG. 7 is a schematic sectional view of the fixing plate of the present invention;

FIG. 8 is a schematic cross-sectional view taken at B in FIG. 6 according to the present invention.

In the figure: 1. a housing; 2. a power supply component; 3. connecting wires; 4. welding tongs; 5. a connector; 6. welding rods; 7. a movable block; 8. a first spring; 9. sleeving a block; 10. a rubber pad; 11. a support plate; 12. an electric motor; 13. a screw rod; 14. a connecting shaft; 15. conical teeth; 16. a movable barrel; 17. a guide rod; 18. a carrier plate; 19. a connecting cylinder; 20. a movable rod; 21. a piston block; 22. a fixing plate; 23. a connecting plate; 24. a second spring; 25. an air outlet; 26. a connecting hose; 27. a first stationary tube; 28. scraping the groove; 29. a feed pipe; 30. a second stationary tube.

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. 1-8, the present invention provides a technical solution: a semi-automatic arc welding machine easy to replace welding rods is provided with a machine shell 1, a power supply assembly 2 is mounted on the side face of the machine shell 1 through bolts, power is supplied to an electrode holder 4 through a connecting wire 3 from the top of the power supply assembly 2, a connector 5 is movably arranged at one end, away from the connecting wire 3, of the electrode holder 4, and a welding rod 6 is clamped on the inner side of the connector 5; the method comprises the following steps: the movable block 7 is movably arranged on the inner side of the connector 5, and the movable block 7 is connected with the connector 5 through a first spring 8; the support plate 11 is fixed at the edge of the upper end face of the machine shell 1, the side face of the support plate 11 is provided with a motor 12 through a bolt, an output shaft of the motor 12 is connected with a screw rod 13, the outer side of the screw rod 13 is sleeved with a welding clamp 4, and the welding clamp 4 is in threaded connection with the screw rod 13; one end of the screw rod 13 close to the motor 12 is connected with one end of a connecting shaft 14 through a belt pulley mechanism, the other end of the connecting shaft 14 is fixedly sleeved with a bevel gear 15, a movable cylinder 16 is fixedly penetrated inside the other bevel gear 15 meshed with the bevel gear 15, a guide rod 17 is movably penetrated through the top of the movable cylinder 16, a bearing plate 18 is fixed at the top of the guide rod 17, and the bearing plate 18 is embedded in the upper surface of the casing 1; one end of the screw rod 13 far away from the motor 12 is connected with a connecting cylinder 19 through a belt pulley mechanism, and the connecting cylinder 19 movably penetrates through the inside of the supporting plate 11.

As shown in fig. 1-4, a sleeve block 9 is slidably sleeved outside the connector 5, the inner diameter of the sleeve block 9 is gradually reduced from top to bottom, and a rubber pad 10 is adhered to the upper end of the inner wall of the sleeve block 9; the movable block 7 and the connector 5 form a rotating structure, the movable block 7 is initially arranged in an inclined manner, one side, close to the welding rod 6, of the movable block 7 is in a sawtooth shape, the outer diameter of one end, close to the welding tongs 4, of the connector 5 is gradually increased from bottom to top, the sleeve block 9 on the connector 5 is pulled downwards to release the collision on the movable block 7, the movable block 7 can be rotated through the elasticity of the first spring 8 to keep an inclined state, the clamping on the welding rod 6 is released, the used welding rod 6 can be conveniently taken out and replaced, after a new welding rod 6 is replaced, the sleeve block 9 is pushed upwards to collide on the movable block 7 again, the inclined movable block 7 can be rotated to a vertical state, the welding rod 6 is clamped again, the stability can be improved through the sawtooth structure on the movable block 7 after clamping, the sleeve block 9 sliding upwards can be tightly attached to the outer wall of the connector 5 through the rubber pad 10, the stability of the sleeve block 9 can be guaranteed, and the convenience for replacing the welding rod 6 is improved;

as shown in fig. 1 and 5, the movable cylinder 16 and the right guide rod 17 are in threaded connection, the right guide rod 17 and the movable cylinder 16 are in sliding connection, the left end of the bearing plate 18 is higher than the right end of the bearing plate, when the motor 12 drives the lead screw 13 to rotate, the welding rod 6 can be driven by the welding tongs 4 to move horizontally to weld the plate, the connecting shaft 14 is driven to rotate by the belt pulley mechanism while the lead screw 13 rotates, the movable cylinder 16 is driven to rotate by the 2 engaged conical teeth 15, and the bearing plate 18 can be driven to move upwards by the threaded connection with the guide rod 17, so that the bearing plate 18 can be lifted synchronously while the welding rod 6 moves, the distance between the welding rod 6 and the plate can be ensured to be constant, the alignment at the welding seam can be ensured, the phenomenon of untightening of the welding seam due to the change of the interval can be avoided, and when the lead screw 13 drives the welding tongs 4 to return to the original position, the guide rod 17 can also drive the bearing plate 18 to return to the original position, so as to weld the plate at one time;

as shown in fig. 1 and 7, the connecting cylinder 19 and the supporting plate 11 are connected by a bearing, a movable rod 20 penetrates through the end of the connecting cylinder 19 in a threaded manner, one end of the movable rod 20 close to the connecting cylinder 19 is fixedly connected with a piston block 21, the other end of the movable rod 20 is connected with a fixed plate 22, the connecting cylinder 19 can be driven to rotate by another belt pulley mechanism while the screw rod 13 rotates, and further, the piston block 21 and the fixed plate 22 synchronously move rightward in the process of moving the soldering turret 4 rightward by virtue of threaded connection with the movable rod 20; a connecting plate 23 movably penetrates through the bottom of the fixing plate 22, the top of the connecting plate 23 is connected with the inner top surface of the fixing plate 22 through a second spring 24, an air outlet 25 is reserved on one side of the connecting plate 23, which is far away from the connecting cylinder 19, the connecting plate 23 can slide in the fixing plate 22 through the raised bearing plate 18 when moving rightwards, so that the lower edge of the connecting plate 23 can be attached to and slide on the upper surface of the plate, and therefore the lifting of the bearing plate 18 is not influenced, and the movement of the connecting plate 23 is not hindered;

as shown in fig. 1 and fig. 6-8, the top of the connecting plate 23 is connected with one end of a first fixing tube 27 through a connecting hose 26, the connecting cylinder 19 is communicated with the connecting plate 23 through the first fixing tube 27 and the connecting hose 26, the other end of the first fixing tube 27 is fixedly connected with the upper side of the connecting cylinder 19, when the piston block 21 moves rightwards, the gas in the connecting cylinder 19 can be squeezed and enter the first fixing tube 27, then enter the connecting plate 23 through the connecting hose 26, finally can be discharged from the air outlet 25 and blown to the welding seam after welding, so as to play a role in accelerating the cooling of the welding seam; a scraping groove 28 is formed in the lower edge of the connecting plate 23, a feeding pipe 29 is fixedly connected to the side face of the connecting plate 23, one end, far away from the connecting plate 23, of the feeding pipe 29 is connected with a second fixing pipe 30 through another connecting hose 26, the second fixing pipe 30 is fixedly connected with the lower side of the connecting cylinder 19, and in the moving process of the connecting plate 23, welding slag protruding on the surface of the plate can be scraped through the scraping groove 28, so that the subsequent cleaning process is reduced; the connecting cylinder 19 is communicated with the feeding pipe 29 through the second fixing pipe 30 and the connecting hose 26, the bottom of the connecting plate 23 and the upper surface of the bearing plate 18 slide in a fitting mode, the connecting plate 23 and the fixing plate 22 are in telescopic connection, after welding slag is scraped, the piston block 21 moves rightwards, negative pressure is generated in the connecting cylinder 19 on the left side of the piston block, the scraped welding slag can be sucked into the feeding pipe 29, then the welding slag enters the second fixing pipe 30 through the connecting hose 26, and finally the welding slag enters the connecting cylinder 19 to be discharged in a unified mode, so that the welding slag can be synchronously scraped in the welding process, and the scraped welding slag can be synchronously cleaned.

The working principle is as follows: as shown in fig. 1-8, a plate to be welded is placed at a lower position of a bearing plate 18, then a power supply assembly 2 supplies power to a welding clamp 4, when a gap of the plate is welded through a welding rod 6, a screw 13 is driven by a motor 12 to rotate, the welding rod 6 is driven by the welding clamp 4 to move horizontally for welding, the bearing plate 18 can be synchronously lifted when the welding rod 6 moves horizontally, and the distance between the bottom of the welding rod 6 and the plate is ensured to be unchanged;

and usable piston block 21 horizontal migration in connecting cylinder 19 in welding process, the cooling of welding seam department is accelerated to the wind-force of production to scrape off the welding slag on the welding seam, and play the purpose of clearance with the welding slag suction, welding rod 6 is through blocking on connector 5 at last, makes things convenient for like this to the change of welding rod 6 or to its loading and unloading, has promoted the convenience of operation.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof.

Claims

1. A semi-automatic electric arc welding machine with welding rods easy to replace is provided with a machine shell (1), a power supply assembly (2) is installed on the side face of the machine shell (1) through a bolt, a power supply is conveyed to a welding clamp (4) through a connecting wire (3) from the top of the power supply assembly (2), a connector (5) is movably arranged at one end, away from the connecting wire (3), of the welding clamp (4), and the welding rods (6) are clamped on the inner side of the connector (5);

it is characterized by comprising:

the movable block (7) is movably arranged on the inner side of the connector (5), and the movable block (7) is connected with the connector (5) through a first spring (8);

the support plate (11) is fixed at the edge of the upper end face of the shell (1), the side face of the support plate (11) is provided with a motor (12) through a bolt, an output shaft of the motor (12) is connected with a screw rod (13), the outer side of the screw rod (13) is sleeved with a welding clamp (4), and the welding clamp (4) is in threaded connection with the screw rod (13);

one end, close to the motor (12), of the screw rod (13) is connected with one end of the connecting shaft (14) through a belt pulley mechanism, a bevel gear (15) is fixedly sleeved at the other end of the connecting shaft (14), a movable cylinder (16) is fixedly penetrated inside another bevel gear (15) meshed with the bevel gear (15), a guide rod (17) is movably penetrated through the top of the movable cylinder (16), a bearing plate (18) is fixed at the top of the guide rod (17), and the bearing plate (18) is embedded in the upper surface of the machine shell (1);

one end of the screw rod (13) far away from the motor (12) is connected with the connecting cylinder (19) through a belt pulley mechanism, and the connecting cylinder (19) movably penetrates through the inner part of the supporting plate (11).

2. The semi-automatic electric arc welder with easily replaced welding rods of claim 1, characterized in that: the outside slip cover of connector (5) is equipped with nest block (9), and the internal diameter of nest block (9) reduces from last to down gradually to the inner wall upper end of nest block (9) is pasted and is had rubber pad (10).

3. The semi-automatic electric arc welder with easily replaced welding rod of claim 1, characterized in that: rotating-structure is constituteed in movable block (7) and connector (5), and movable block (7) are the slope setting initially to one side that movable block (7) are close to welding rod (6) is the cockscomb structure, and supreme crescent is followed down to the one end external diameter that connector (5) are close to soldering turret (4) simultaneously.

4. The semi-automatic electric arc welder with easily replaced welding rod of claim 1, characterized in that: the movable barrel (16) is in threaded connection with the guide rod (17) at the right end, the guide rod (17) at the right end is in sliding connection with the movable barrel (16), and the height of the left end of the bearing plate (18) is higher than that of the right end of the bearing plate.

5. The semi-automatic electric arc welder with easily replaced welding rod of claim 1, characterized in that: connecting cylinder (19) and backup pad (11) are connected for the bearing, and the tip screw thread of connecting cylinder (19) runs through has movable rod (20) to one end fixedly connected with piston block (21) that movable rod (20) are close to connecting cylinder (19), and the other end of movable rod (20) is connected with fixed plate (22) simultaneously.

6. The semi-automatic electric arc welder with easily replaced welding rod of claim 5, characterized in that: connecting plate (23) have been run through in the bottom activity of fixed plate (22), and the interior top surface interconnect of second spring (24) and fixed plate (22) is passed through to the top of connecting plate (23), and connecting plate (23) keep away from one side of connecting cylinder (19) and reserve and have exhaust vent (25).

7. The semi-automatic electric arc welder with easily replaced welding rods of claim 6, characterized in that: the top of the connecting plate (23) is connected with one end of a first fixing pipe (27) through a connecting hose (26), the connecting cylinder (19) is communicated with the connecting plate (23) through the first fixing pipe (27) and the connecting hose (26), and the other end of the first fixing pipe (27) is fixedly connected with the upper side of the connecting cylinder (19).

8. The semi-automatic electric arc welder with easily replaced welding rod of claim 7, characterized in that: scraping grooves (28) are formed in the lower edge of the connecting plate (23), meanwhile, a feeding pipe (29) is fixedly connected to the side face of the connecting plate (23), one end, far away from the connecting plate (23), of the feeding pipe (29) is connected with a second fixing pipe (30) through another connecting hose (26), and the second fixing pipe (30) is fixedly connected with the lower side of the connecting cylinder (19).

9. The semi-automatic electric arc welder with easily replaceable welding rod of claim 8, characterized in that: the connecting cylinder (19) is communicated with the feeding pipe (29) through a second fixing pipe (30) and a connecting hose (26), the bottom of the connecting plate (23) and the upper surface of the bearing plate (18) slide in a fitting mode, and the connecting plate (23) is in telescopic connection with the fixing plate (22).