CN215615684U

CN215615684U - Contravariant gas shielded welding machine with protector

Info

Publication number: CN215615684U
Application number: CN202122305270.1U
Authority: CN
Inventors: 孙学民; 冯立人; 王喜春
Original assignee: Dalian Jiezhong Industrial Equipment Co ltd
Current assignee: Dalian Jiezhong Industrial Equipment Co ltd
Priority date: 2021-09-23
Filing date: 2021-09-23
Publication date: 2022-01-25
Anticipated expiration: 2031-09-23

Abstract

The utility model discloses an inverter gas shielded welding machine with a protection device, which comprises a protection cover, a welding machine box and a fourth base, wherein the welding machine box is arranged inside the fourth base, the protection cover is arranged above the fourth base, a lifting device is arranged below the fourth base, the lifting device comprises a second hydraulic cylinder, a compression spring, a sleeve, a second sliding block and a third supporting rod, one end of the right side of the second sliding block is fixedly connected with the compression spring, the outer wall of the second sliding block is sleeved with the sleeve, and the third supporting rod is rotatably connected with the second sliding block through a pin shaft. This contravariant gas shield welding machine with protector, through the cooperation between second pneumatic cylinder, compression spring, sleeve, second slider and the third branch, the hydraulic stem of pneumatic cylinder drives the second slider and slides left, and the second slider drives third branch upward movement left, closes the pneumatic cylinder when adjusting suitable position, has solved the problem that can not adjust the height of anchor clamps according to operator's height.

Description

Contravariant gas shielded welding machine with protector

Technical Field

The utility model relates to the technical field of welding protection, in particular to an inverter gas shielded welding machine with a protection device.

Background

The working process of the contravariant welding and cutting equipment is to rectify and filter three-phase or single-phase 50Hz power frequency alternating current to obtain smoother direct current, an inverter circuit consisting of IGBT or field effect tube converts the direct current into 15-100 kHz alternating current, the alternating current is reduced by an intermediate frequency main transformer, and the direct current is rectified and filtered again to obtain stable direct current output welding current.

Disclosure of Invention

The utility model aims to provide an inverter gas shielded welding machine with a protective device, which solves the problem that the height of a clamp cannot be adjusted according to the height of an operator in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: the inverter gas shielded welding machine with the protection device comprises a protection cover, a welding machine box and a fourth base, wherein the welding machine box is arranged inside the fourth base, the protection cover is arranged above the fourth base, and a lifting device is arranged below the fourth base;

the lifting device comprises a second hydraulic cylinder, a compression spring, a sleeve, a second sliding block and a third supporting rod;

the third supporting rod is connected with the fourth base in a rotating mode through a pin shaft, the third supporting rod is connected with the third base in a rotating mode through a pin shaft, the second hydraulic cylinder is fixedly connected to the middle position of the upper surface of the third base, a hydraulic rod of the hydraulic cylinder is fixedly connected with the second sliding block, a compression spring is fixedly connected to one end of the right side of the second sliding block, a sleeve is sleeved on the outer wall of the second sliding block, the second sliding block is connected with the sleeve through the compression spring, sleeves are fixedly connected to the inner sides of the fourth base and the third base, the third supporting rod is connected with the second sliding block in a rotating mode through a pin shaft, and the third supporting rod is multiple and movably connected with the third supporting rod through a pin shaft.

Preferably, an air outlet is arranged above the protective cover.

Preferably, a moving device is arranged above the fourth base;

the moving device comprises a first supporting rod, a second supporting rod, a first sliding block, a lead screw, a rack and a first gear;

the one end of first branch links to each other with external power supply is fixed, the other end of first branch and second branch rotate through the round pin axle and link to each other, the other end of second branch and first slider rotate through the round pin axle and link to each other, first slider slides with the fourth base and links to each other, first slider rotates through the round pin axle with the lead screw and links to each other, the lead screw links to each other with first gear engagement, first gear rotates through the pivot with the fourth base and links to each other, first gear links to each other with department's rack toothing.

Preferably, a clamping device is arranged above the fourth base;

the clamping device comprises a screw cap, a screw rod, a threaded plate, a first hydraulic cylinder, a clamp, a first base and a first supporting seat;

the utility model discloses a screw plate, including first base, fourth base, screw rod and thread plate, first base slides with the fourth base and links to each other, the upper surface rigid coupling of first base has first supporting seat, first supporting seat passes through the bearing with the screw rod and rotates continuously, the one end rigid coupling of screw rod has the nut, screw rod and thread plate threaded connection, two the upper surface of thread plate rigid coupling respectively has first pneumatic cylinder and anchor clamps, the control lever of anchor clamps links to each other with the hydraulic stem of first pneumatic cylinder is fixed.

Preferably, an adjusting device is arranged on the upper surface of the fourth base;

the adjusting device comprises a welding handle, a second gear, a fourth supporting rod, a second supporting seat, an arc-shaped wheel and a second base;

the second base rigid coupling is at the upper surface of fourth base, the arc wheel links to each other with external power supply is fixed, the second base rotates through the round pin axle with second gear, arc wheel and second supporting seat respectively and links to each other, the arc wheel laminates with the second supporting seat, the end and the fixed linking to each other of second gear of welding the handle, the second supporting seat passes through torsion spring with fourth branch and links to each other, fourth branch and second gear looks joint.

Compared with the prior art, the utility model has the beneficial effects that: according to the inverter gas-shielded welding machine with the protection device, through the matching among the second hydraulic cylinder, the compression spring, the sleeve, the second slider and the third support rod, the hydraulic rod of the hydraulic cylinder drives the second slider to slide leftwards, the second slider drives the third support rod to move upwards leftwards, the third support rod drives the fourth base to move upwards, the fourth base drives the clamping device to move upwards, the hydraulic cylinder is closed when the position is adjusted to be a proper position, and the problem that the height of the clamp cannot be adjusted according to the height of an operator is solved;

the nut is rotated through the cooperation between the nut, the screw, the thread plate, the first hydraulic cylinder, the clamp, the first base and the first supporting seat, the nut drives the screw to rotate, the screw rotates to drive the thread plate to move, the thread plate drives the clamp to move, the nut stops rotating when the workpiece is moved to a position needing to be welded, if the workpiece cannot be moved to the welding position, the moving device is started, the first gear drives the rack to move, the rack drives the first base to move, and external power is turned off when the workpiece is moved to the position needing to be welded to perform welding, so that the problem that the workpiece needs to be moved manually is solved;

through welding the handle, the second gear, fourth branch, the second supporting seat, the cooperation between arc wheel and the second base, the arc wheel rotates drive second supporting seat motion, second supporting seat drive fourth branch motion, the second supporting seat passes through torque spring with fourth branch and is connected, under torque spring's effect, fourth branch can drive second gear anticlockwise rotation, it rotates to drive the welding handle when the second gear rotates, close external power when the welding handle rotates the demand position, it always holds the welding handle to have solved the needs operator, cause the tired problem of wrist easily.

Drawings

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

FIG. 2 is a schematic view of a connection structure at the screw, the thread plate and the first hydraulic cylinder;

FIG. 3 is a schematic view of a connection structure of the first support rod, the second support rod and the first sliding block;

FIG. 4 is a schematic view of a connection structure at the lead screw, the rack and the first gear;

FIG. 5 is a schematic view of a connection structure of a second gear, a fourth supporting rod and a second supporting seat;

in the figure: 1. the welding machine comprises a protective cover, 2, a moving device, 201, a first support rod, 202, a second support rod, 203, a first sliding block, 204, a lead screw, 205, a rack, 206, a first gear, 3, a clamping device, 301, a nut, 302, a screw rod, 303, a threaded plate, 304, a first hydraulic cylinder, 305, a clamp, 306, a first base, 307, a first support seat 4, a lifting device, 401, a second hydraulic cylinder, 402, a compression spring, 403, a sleeve, 404, a second sliding block, 405, a third support rod, 5, an adjusting device, 501, a welding handle, 502, a second gear, 503, a fourth support rod, 504, a second support seat, 505, an arc wheel, 506, a second base, 6, a third base, 7, a fourth base, 8, a welding machine box, 9 and an exhaust outlet.

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. 1-5, the present invention provides a technical solution: an inverter gas shielded welding machine with a protection device comprises a protective cover 1, a welding machine box 8 and a fourth base 7, wherein the welding machine box 8 is arranged inside the fourth base 7, the protective cover 1 is arranged above the fourth base 7, an air outlet 9 is arranged above the protective cover 1, the air outlet 9 can exhaust smoke generated in welding, a lifting device 4 is arranged below the fourth base 7, the lifting device 4 comprises a second hydraulic cylinder 401, a compression spring 402, a sleeve 403, a second sliding block 404 and a third supporting rod 405, the third supporting rod 405 is rotatably connected with the fourth base 7 through a pin shaft, the other third supporting rod 405 is rotatably connected with a third base 6 through a pin shaft, the second hydraulic cylinder 401 is fixedly connected at the middle position of the upper surface of the third base 6, a hydraulic rod of the hydraulic cylinder 401 is fixedly connected with the second sliding block 404, the hydraulic cylinder 401 drives the second sliding block 404 to slide, the compression spring 402 is fixedly connected with one end of the right side of the second sliding block 404, the outer wall of the second sliding block 404 is sleeved with a sleeve 403, the second sliding block 404 can slide in the sleeve 403, the second sliding block 404 and the sleeve 403 are connected through a compression spring 402, the inner sides of the fourth base 7 and the third base 6 are fixedly connected with the sleeve 403, the third supporting rods 405 are rotatably connected with the second sliding block 404 through pin shafts, and the plurality of third supporting rods 405 are movably connected through pin shafts.

The mobile device 2 is arranged above the fourth base 7, the mobile device 2 comprises a first supporting rod 201, a second supporting rod 202, a first sliding block 203, a screw 204, a rack 205 and a first gear 206, one end of the first supporting rod 201 is fixedly connected with an external power source, the external power source is a motor, the external power source drives the first supporting rod 201 to rotate, the other end of the first supporting rod 201 is rotatably connected with the second supporting rod 202 through a pin shaft, the other end of the second supporting rod 202 is rotatably connected with the first sliding block 203 through a pin shaft, the first sliding block 203 is slidably connected with the fourth base 7, the first sliding block 203 is rotatably connected with the screw 204 through a pin shaft, the screw 204 is meshed with the first gear 206, the first gear 206 is rotatably connected with the fourth base 7 through a rotating shaft, and the first gear 206 is meshed with the rack 205.

The clamping device 3 is arranged above the fourth base 7, the clamping device 3 comprises a nut 301, a screw 302, a thread plate 303, a first hydraulic cylinder 304, a clamp 305, a first base 306 and a first supporting seat 307, the first base 306 is connected with the fourth base 7 in a sliding mode, the first supporting seat 307 is fixedly connected to the upper surface of the first base 306, the first supporting seat 307 is rotatably connected with the screw 302 through a bearing, the nut 301 is fixedly connected to one end of the screw 302, the screw 302 is in threaded connection with the thread plate 303, the first hydraulic cylinder 304 and the clamp 305 are fixedly connected to the upper surfaces of the two thread plates 303 respectively, a control rod of the clamp 305 is fixedly connected with a hydraulic rod of the first hydraulic cylinder 304, and the first hydraulic cylinder 304 can control the clamp 305 to open and close.

The upper surface of the fourth base 7 is provided with an adjusting device 5, the adjusting device 5 includes a welding handle 501, a second gear 502, a fourth supporting rod 503, a second supporting seat 504, an arc-shaped wheel 505 and a second base 506, the second base 506 is fixedly connected to the upper surface of the fourth base 7, the arc-shaped wheel 505 is fixedly connected to an external power source, the external power source is a motor, the external power source drives a user-shaped wheel 505 to rotate, the second base 506 is respectively connected to the second gear 502, the arc-shaped wheel 505 and the second supporting seat 504 through a pin shaft in a rotating manner, the arc-shaped wheel 505 is attached to the second supporting seat 504, the tail end of the welding handle 501 is fixedly connected to the second gear 502, the second supporting seat 504 is connected to the fourth supporting rod 503 through a torsion spring, the torsion spring can enable the fourth supporting rod to return to a fixed position, and the fourth supporting rod 503 is connected to the second gear 502 in a clamping manner.

The working principle is as follows:

when a workpiece is welded and the height of the clamping device 3 needs to be adjusted according to the height of an operator, when the height needs to be adjusted, the hydraulic cylinder 401 is started, the hydraulic rod of the hydraulic cylinder 401 drives the second slider 404 to slide leftwards, the second slider 404 drives the third supporting rod 405 to move upwards, the third supporting rod 405 drives the fourth base 7 to move upwards, the fourth base 7 drives the clamping device 3 to move upwards, when the workpiece is adjusted to a proper position, the hydraulic cylinder 401 is closed, otherwise, when the workpiece needs to be adjusted to be lowered, the hydraulic rod of the hydraulic cylinder 401 drives the second slider 404 to slide rightwards, when the workpiece is adjusted to a proper position, the hydraulic cylinder 401 is closed, the first hydraulic cylinder 304 is started, the hydraulic rod of the first hydraulic cylinder 304 extends out to drive the clamp 305 to be opened, the workpiece is placed in the clamp 305 chuck plate, the hydraulic rod of the first hydraulic cylinder 304 is contracted, the clamp 305 clamps the workpiece, the first hydraulic cylinder 304 is closed, the angle of the welding handle 501 is adjusted according to the position of the workpiece, an external power source drives an arc wheel 505 to rotate, the arc wheel 505 rotates to drive a second support base 504 to move, the second support base 504 drives a fourth support rod 503 to move, the fourth support rod 503 drives a second gear 502 to rotate, the second support base 504 is connected with the fourth support rod 503 through a torsion spring, under the action of the torsion spring, the fourth support rod 503 can drive the second gear 502 to rotate anticlockwise, the second gear 502 drives a welding handle 501 to rotate when rotating, external power is turned off when the welding handle 501 rotates to a required position, when the welding handle 501 needs to be adjusted clockwise, the fourth support rod 503 is manually lifted, the second gear 502 is rotated clockwise, when the welding handle is adjusted to a proper position, the fourth support rod 503 is put down, when the clamping device 3 is adjusted according to the position needing to be welded, a nut 301 is rotated, the nut 301 drives a screw rod 302 to rotate, the screw rod 302 rotates to drive a threaded plate 303 to move, the threaded plate 303 moves to drive a clamp 305 to move, when the nut 301 is stopped rotating when the welding position is needed, if the welding position cannot be moved, the moving device 2 is started, the external power source drives the first supporting rod 201 to rotate, the first supporting rod 201 rotates to drive the second supporting rod 202 to move, the second supporting rod 202 drives the first sliding block 203 to slide in the fourth base 7, the first sliding block 203 drives the lead screw 204 to move, the lead screw 204 drives the first gear 206 to rotate, the first gear 206 drives the rack 205 to move, the rack 205 drives the first base 306 to move, the first base 306 drives the workpiece to move, and when the welding position is needed, the external power is turned off to perform welding.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an contravariant gas shield welding machine with protector, includes protection casing (1), welds quick-witted case (8) and fourth base (7), the inside of fourth base (7) is provided with welds quick-witted case (8), the top of fourth base (7) is provided with protection casing (1), its characterized in that: a lifting device (4) is arranged below the fourth base (7);

the lifting device (4) comprises a second hydraulic cylinder (401), a compression spring (402), a sleeve (403), a second sliding block (404) and a third supporting rod (405);

the third supporting rod (405) is rotationally connected with the fourth base (7) through a pin shaft, the other third supporting rod (405) is rotationally connected with the third base (6) through a pin shaft, the second hydraulic cylinder (401) is fixedly connected at the middle position of the upper surface of the third base (6), a hydraulic rod of the hydraulic cylinder (401) is fixedly connected with a second sliding block (404), one end of the right side of the second sliding block (404) is fixedly connected with a compression spring (402), a sleeve (403) is sleeved on the outer wall of the second sliding block (404), the second sliding block (404) is connected with the sleeve (403) through a compression spring (402), the inner sides of the fourth base (7) and the third base (6) are fixedly connected with sleeves (403), the third supporting rods (405) are rotatably connected with the second sliding block (404) through pin shafts, and the plurality of third supporting rods (405) are movably connected through pin shafts.

2. The inverter gas shielded welding machine with the protection device according to claim 1, wherein: an air outlet (9) is arranged above the protective cover (1).

3. The inverter gas shielded welding machine with the protection device according to claim 1, wherein: a moving device (2) is arranged above the fourth base (7);

the moving device (2) comprises a first supporting rod (201), a second supporting rod (202), a first sliding block (203), a lead screw (204), a rack (205) and a first gear (206);

the one end of first branch (201) links to each other with external power supply is fixed, the other end and second branch (202) of first branch (201) rotate through the round pin axle and link to each other, the other end and first slider (203) of second branch (202) rotate through the round pin axle and link to each other, first slider (203) slide with fourth base (7) and link to each other, first slider (203) rotate through the round pin axle with lead screw (204) and link to each other, lead screw (204) mesh with first gear (206) links to each other, first gear (206) rotate through the pivot with fourth base (7) and link to each other, first gear (206) link to each other with department rack (205) meshing.

4. The inverter gas shielded welding machine with the protection device according to claim 1, wherein: a clamping device (3) is arranged above the fourth base (7);

the clamping device (3) comprises a nut (301), a screw (302), a thread plate (303), a first hydraulic cylinder (304), a clamp (305), a first base (306) and a first supporting seat (307);

first base (306) and fourth base (7) slide to link to each other, the upper surface rigid coupling of first base (306) has first supporting seat (307), first supporting seat (307) link to each other through the bearing rotation with screw rod (302), the one end rigid coupling of screw rod (302) has nut (301), screw rod (302) and thread plate (303) threaded connection, two the upper surface of thread plate (303) rigid coupling respectively has first pneumatic cylinder (304) and anchor clamps (305), the control lever of anchor clamps (305) links to each other with the hydraulic stem of first pneumatic cylinder (304) is fixed.

5. The inverter gas shielded welding machine with the protection device according to claim 1, wherein: the upper surface of the fourth base (7) is provided with an adjusting device (5);

the adjusting device (5) comprises a welding handle (501), a second gear (502), a fourth supporting rod (503), a second supporting seat (504), an arc-shaped wheel (505) and a second base (506);

second base (506) rigid coupling is on the upper surface of fourth base (7), arc wheel (505) link to each other with external power supply is fixed, second base (506) rotate through the round pin axle with second gear (502), arc wheel (505) and second supporting seat (504) respectively and link to each other, arc wheel (505) and second supporting seat (504) laminating, the end and second gear (502) of welding handle (501) are fixed continuous, second supporting seat (504) link to each other through torsion spring with fourth branch (503), fourth branch (503) and second gear (502) looks joint.