CN214602460U - Air supply system of digital plasma cutting welding machine - Google Patents
Air supply system of digital plasma cutting welding machine Download PDFInfo
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- CN214602460U CN214602460U CN202022926935.6U CN202022926935U CN214602460U CN 214602460 U CN214602460 U CN 214602460U CN 202022926935 U CN202022926935 U CN 202022926935U CN 214602460 U CN214602460 U CN 214602460U
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- cutting
- welding machine
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- delivery system
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- 238000005520 cutting process Methods 0.000 title claims abstract description 75
- 238000003466 welding Methods 0.000 title claims abstract description 39
- 239000007789 gas Substances 0.000 claims abstract description 18
- 239000011261 inert gas Substances 0.000 claims abstract description 11
- 238000005452 bending Methods 0.000 claims abstract description 9
- 238000003825 pressing Methods 0.000 claims description 13
- 125000006850 spacer group Chemical group 0.000 claims 1
- 239000002699 waste material Substances 0.000 abstract description 3
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
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- Arc Welding In General (AREA)
Abstract
A gas delivery system for a digital plasma cutting welder, comprising: the welding machine comprises a welding machine body, an inert gas tank and a workpiece platform; an electric control valve is arranged on the welding machine body, and a controller in signal connection with the electric control valve is arranged on the welding machine body; one end of the workpiece platform is provided with a fixing clamp, and the other end of the workpiece platform is provided with a sliding clamp; a plurality of cutting workpieces with longitudinal cutting seams in the same straight line are arranged between the fixed clamp and the sliding clamp; still include the walking wheel, the walking wheel is connected with the frame of bending, is provided with the elastic expansion piece on the face of frame of bending orientation cutting work piece, and the inside of elastic expansion piece is provided with the pressure sensor who is connected with controller signal, and the tip of elastic expansion piece rotates and is connected with and supports the pinch roller. The utility model discloses in, when walking on the cutting work piece through supporting the pinch roller, make pressure sensor produce the pressure information of different numerical values, the air supply volume is adjusted to controller control automatically controlled valve, effectively avoids frequently changing air supply volume and inert gas's waste to accelerate cutting efficiency.
Description
The technical field is as follows:
the utility model relates to a plasma cutting technical field, in particular to air supply system of digital plasma cutting welding machine.
Background art:
plasma cutting is a process in which the heat of a high temperature plasma arc is used to partially or locally melt (and vaporize) the metal at the cut of a workpiece and the molten metal is removed by the momentum of the high speed plasma to form the cut. Its main advantage lies in: by matching with different working gases, various metals which are difficult to cut by oxygen can be cut, and particularly, the cutting effect on nonferrous metals (stainless steel, aluminum, copper, titanium and nickel) is better; when metal with small thickness is cut, the plasma cutting speed is high, the cut surface is smooth and clean, the thermal deformation is small, and a heat affected zone is hardly generated. Therefore, plasma cutting is widely used in various industries such as automobiles, locomotives, pressure vessels, chemical machinery, nuclear industry, general machinery, engineering machinery, steel structures and the like.
However, in the conventional plasma cutting operation process, cutting workpieces with different thicknesses need to be cut, and due to the different thicknesses of the cutting workpieces, the cutting current and the gas supply amount of working gas need to be frequently adjusted, so that the cutting efficiency is low.
The utility model has the following contents:
in view of the above, it is necessary to design a gas supply system of a digital plasma cutting and welding machine to measure the thickness information of different cut workpieces, and then control the cutting current and the gas supply amount of the working gas by a controller, so as to automatically adjust and speed up the cutting efficiency.
An air delivery system of a digital plasma cutting welder, comprising: the welding machine comprises a welding machine body, an inert gas tank and a workpiece platform, wherein the inert gas tank is connected with the welding machine body; wherein,
the welding machine body is provided with an electric control valve for adjusting the air supply quantity, and the welding machine body is provided with a controller in signal connection with the electric control valve;
one end of the workpiece platform is provided with a fixing clamp, and the other end of the workpiece platform is provided with a sliding clamp in a sliding manner; a plurality of cutting workpieces with longitudinal cutting seams in the same straight line are arranged between the fixed clamp and the sliding clamp;
still including sliding the setting and being in the walking wheel of work piece platform lateral wall, the walking wheel is connected with the frame of bending, the frame orientation of bending be provided with elastic expansion piece on the face of cutting work piece, just elastic expansion piece's inside be provided with controller signal connection's pressure sensor, just elastic expansion piece's tip rotates to be connected with to press and is a plurality of the last pinch roller that supports of cutting work piece.
Preferably, the bottom of the welding machine body is provided with a universal wheel, and a tread brake is assembled on the universal wheel.
Preferably, the workpiece platform is provided with sliding grooves in parallel, and the sliding clamp is provided with sliding blocks matched with the sliding grooves.
Preferably, the pressing wheel moves in the same position with the cutting gun of the welding machine body through the photoelectric sensing assembly, and the photoelectric sensing assembly is in signal connection with the controller.
Preferably, a track groove is formed in the side edge of the workpiece platform, and the travelling wheel is rotatably located in the track groove.
Preferably, a plurality of the cut pieces are arranged in order from thick to thin in thickness.
Preferably, a cushion block is arranged between any two adjacent cutting workpieces.
Preferably, the controller is any one of a single chip microcomputer controller and a PLC controller.
Preferably, the elastic expansion member includes: the device comprises a first sleeve and a second sleeve sleeved in the first sleeve; and a pressing spring for the second sleeve is arranged in the first sleeve, and one end, far away from the second sleeve, of the pressing spring presses the pressure sensor.
The utility model discloses in, when walking on the cutting work piece through supporting the pinch roller, make pressure sensor produce the pressure information of different numerical values, the air supply volume is adjusted to controller control automatically controlled valve, effectively avoids frequently changing air supply volume and inert gas's waste to accelerate cutting efficiency.
Description of the drawings:
FIG. 1 is a schematic structural view of an air supply system of the digital plasma cutting and welding machine of the present invention;
fig. 2 is a schematic structural view of the elastic expansion member provided in the present invention.
In the figure:
the welding machine comprises a welding machine body-1, universal wheels-2, an inert gas tank-3, an electric control valve-4, a controller-5, a cutting gun-6, a workpiece platform-7, a sliding groove-8, a sliding clamp-9, a fixing clamp-10, a cutting workpiece-11, a cushion block-12, a track groove-13, a traveling wheel-14, a bending frame-15, an elastic telescopic piece-16, a first sleeve-16A, a second sleeve-16B, a pressing spring-16C, a pressing wheel-17, a pressure sensor-18 and a photoelectric sensing assembly-19.
The specific implementation mode is as follows:
referring collectively to fig. 1-2, a gas delivery system for a digital plasma cutting welder, comprising: the welding machine comprises a welding machine body 1 and an inert gas tank 3 connected with the welding machine body 1; the inert gas tank 3 is used for providing working gas for the welding machine body 1, an electric control valve 4 used for adjusting the gas supply amount and the welding current is arranged on the welding machine body 1, and a controller 5 in signal connection with the electric control valve 4 is arranged on the welding machine body 1. And, the bottom of welding machine body 1 is provided with universal wheel 2, and is equipped with on the universal wheel 2 and steps on the brake.
The embodiment of the application also comprises a workpiece platform 7, wherein the workpiece platform 7 is used for fixing a plurality of cutting workpieces 11 with different thicknesses; when a plurality of cutting workpieces 11 are fixed specifically, a fixing clamp 10 is arranged at one end of the workpiece platform 7, and a sliding clamp 9 is arranged at the other end of the workpiece platform 7 in a sliding manner; specifically, a sliding groove 8 is formed in parallel on the workpiece platform 7, and a sliding block matched with the sliding groove 8 is arranged on the sliding clamp 9. The sliding clamp 9 can be locked inside the sliding groove 8 through a bolt, and the sliding clamp 9 and the fixing clamp 10 are matched to press against a plurality of cutting workpieces 11.
A plurality of cutting workpieces 11 with the same longitudinal cutting line are arranged between the fixed clamp 10 and the sliding clamp 9. The plurality of cut workpieces 11 are arranged in order from thick to thin in thickness. A cushion block 12 is arranged between any two adjacent cutting workpieces 11. The provided cushion block 12 effectively prevents adhesion between the cut workpieces 11 caused during the cutting process, and the cushion block 12 provided in the inverted T shape makes the bottom surfaces of the plurality of cut workpieces 11 on the same horizontal plane.
The workpiece platform 7 is provided with a concave groove, and the longitudinal cutting seam is positioned right above the concave groove, so that molten iron cut by the longitudinal cutting seam flows into the concave groove. In the embodiment of the application, the cutting workpiece 11 with the largest thickness is firstly cut, at this time, the welder body 1 is adjusted to the maximum current and the maximum air supply amount, after the cutting workpiece 11 with the largest thickness is cut, the cutting torch 6 is positioned on the cutting workpiece 11 with the medium thickness, at this time, the pressure value changed by the pressure sensor 18 pressed against the cutting workpiece 11 is transmitted to the controller 5, and the controller 5 controls the electric control valve 4 to adjust the current and the air supply amount.
Specifically, the workpiece support device further comprises a walking wheel 14 arranged on the side wall of the workpiece platform 7 in a sliding mode, a track groove 13 is formed in the side edge of the workpiece platform 7, and the walking wheel 14 is located inside the track groove 13 in a rotating mode. The walking wheels 14 are electric rail wheels, and move in the rail grooves 13 in a limiting manner.
The walking wheel 14 is connected with a bending frame 15, an elastic telescopic piece 16 is arranged on the surface of the bending frame 15 facing the cutting workpiece 11, and a pressure sensor 18 in signal connection with the controller 5 is arranged inside the elastic telescopic piece 16; specifically, the elastic expansion member 16 includes: a first sleeve 16A and a second sleeve 16B sleeved inside the first sleeve 16A; the first sleeve 16A is internally provided with a pressing spring 16C for the second sleeve 16B, and one end of the pressing spring 16C far away from the second sleeve 16B presses the pressure sensor 18.
In addition, the end of the elastic expansion piece 16 is rotatably connected with an abutting wheel 17 which abuts against the plurality of cutting workpieces 11. The pressing wheel 17 moves in the same position with the cutting gun 6 of the welding machine body 1 through the photoelectric sensing assembly 19, and the photoelectric sensing assembly 19 is in signal connection with the controller 5.
The controller 5 is any one of a single chip microcomputer controller and a PLC controller. It should be specifically described that, after receiving the pressure information of the pressure sensor 18, the controller 5 controls the corresponding electronic control valve 4 to adjust the air supply amount and the current, which are all common technical methods in the existing control field, and are not described herein in detail.
In the structure, when the pressing wheel 17 presses against the cutting workpiece 11 with the maximum thickness, the pressure sensor 18 is positioned at the maximum pressure value, the cutting gun 6 adopts a mechanical arm or manual operation, and the current and the air supply quantity on the cutting machine body are both positioned at the maximum value of the current cutting work; after the photoelectric sensor detects the position information of the cutting gun 6, the controller 5 controls the travelling wheels 14 to move correspondingly, when the cutting workpiece 11 with a thinner thickness is cut, the elastic expansion piece 16 releases a certain amount of elastic potential energy under the action of the spring, the pressure value of the pressure sensor 18 at the moment changes, and after the controller 5 receives the pressure information of the pressure sensor 18, the air supply amount and the current of the welding machine body 1 are adjusted through the calculation module.
The utility model discloses in, when walking on cutting workpiece 11 through pressing wheel 17, make pressure sensor 18 produce the pressure information of different numerical values, controller 5 control automatically controlled valve 4 adjusts the air supply volume, effectively avoids frequently changing air supply volume and inert gas's waste to accelerate cutting efficiency.
Claims (9)
1. An air delivery system of a digital plasma cutting welder, comprising: the welding machine comprises a welding machine body, an inert gas tank and a workpiece platform, wherein the inert gas tank is connected with the welding machine body; wherein,
the welding machine body is provided with an electric control valve for adjusting the air supply quantity, and the welding machine body is provided with a controller in signal connection with the electric control valve;
one end of the workpiece platform is provided with a fixing clamp, and the other end of the workpiece platform is provided with a sliding clamp in a sliding manner; a plurality of cutting workpieces with longitudinal cutting seams in the same straight line are arranged between the fixed clamp and the sliding clamp;
still including sliding the setting and being in the walking wheel of work piece platform lateral wall, the walking wheel is connected with the frame of bending, the frame orientation of bending be provided with elastic expansion piece on the face of cutting work piece, just elastic expansion piece's inside be provided with controller signal connection's pressure sensor, just elastic expansion piece's tip rotates to be connected with to press and is a plurality of the last pinch roller that supports of cutting work piece.
2. A gas delivery system for a digital plasma cutting welder as claimed in claim 1, wherein the bottom of the welder body is provided with universal wheels, and the universal wheels are equipped with trample brakes.
3. A gas delivery system for a digital plasma cutting and welding machine as claimed in claim 1, wherein the workpiece platform is provided with a sliding groove in parallel, and the sliding clamp is provided with a sliding block matched with the sliding groove.
4. A gas delivery system for a digital plasma cutting welder as claimed in any one of claims 1 to 3, wherein the pressing wheel moves in coordination with a cutting gun of the welder body through a photoelectric sensing assembly, and the photoelectric sensing assembly is in signal connection with the controller.
5. A gas delivery system for a digitalized cutting and welding machine as claimed in claim 1, wherein the side of said workpiece platform is provided with a rail groove, and said walking wheel is rotatably positioned in the rail groove.
6. A gas delivery system for a digital plasma cutting and welding machine as claimed in claim 5, wherein a plurality of said cutting workpieces are arranged in order from thick to thin in thickness.
7. A gas delivery system for a digitalized cutting and welding machine as set forth in claim 6, wherein a spacer is disposed between any two adjacent cut workpieces.
8. A gas delivery system for a digital plasma cutting and welding machine as claimed in claim 1, wherein the controller is any one of a single chip controller and a PLC controller.
9. A gas delivery system for a digital plasma cutting and welding machine as set forth in claim 1, wherein said resilient bellows includes: the device comprises a first sleeve and a second sleeve sleeved in the first sleeve; and a pressing spring for the second sleeve is arranged in the first sleeve, and one end, far away from the second sleeve, of the pressing spring presses the pressure sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022926935.6U CN214602460U (en) | 2020-12-07 | 2020-12-07 | Air supply system of digital plasma cutting welding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022926935.6U CN214602460U (en) | 2020-12-07 | 2020-12-07 | Air supply system of digital plasma cutting welding machine |
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| Publication Number | Publication Date |
|---|---|
| CN214602460U true CN214602460U (en) | 2021-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022926935.6U Active CN214602460U (en) | 2020-12-07 | 2020-12-07 | Air supply system of digital plasma cutting welding machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116900459A (en) * | 2023-07-17 | 2023-10-20 | 南通阳光焊割设备有限公司 | Multifunctional digital power supply structure based on multiple gas paths |
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2020
- 2020-12-07 CN CN202022926935.6U patent/CN214602460U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116900459A (en) * | 2023-07-17 | 2023-10-20 | 南通阳光焊割设备有限公司 | Multifunctional digital power supply structure based on multiple gas paths |
| CN116900459B (en) * | 2023-07-17 | 2024-03-26 | 南通阳光焊割设备有限公司 | Multifunctional digital power supply structure based on multiple gas paths |
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