CN213857540U

CN213857540U - Automatic ignition device of flame cutting machine

Info

Publication number: CN213857540U
Application number: CN202022957386.9U
Authority: CN
Inventors: 龙昌茂; 邓火生; 陈世贤; 张富林; 蒋照波; 卢建宁
Original assignee: Guangxi Fuwu Cnc Technology Co ltd
Current assignee: Guangxi Fuwu Cnc Technology Co ltd
Priority date: 2020-12-09
Filing date: 2020-12-09
Publication date: 2021-08-03
Anticipated expiration: 2030-12-09

Abstract

The utility model discloses an automatic ignition device of a flame cutting machine, which comprises a protective pipe, wherein the inner wall of the protective pipe is connected with a flame guide pipe in a sliding way, the inner wall of the protective pipe is fixedly connected with a mounting plate, the mounting plate is provided with an adjusting component for adjusting the extension length of the flame guide pipe, a gas hose is arranged in the protective pipe, a gas solenoid valve is fixedly arranged on the outer wall of the gas hose, the bottom of the gas hose penetrates through the mounting plate and extends into the flame guide pipe, the utility model has simple structure and an automatic ignition device, after the gas is put through, the automatic ignition device can ignite and cut in time, the waste of the gas is reduced to a certain extent, the length of the flame guide pipe can be adjusted, when metal plates with different thicknesses are cut, the optimal cutting section of cutting flame can be ensured to cut the metal plates by adjusting the extension length of the flame guide pipe, the cutting efficiency is improved.

Description

Automatic ignition device of flame cutting machine

Technical Field

The utility model relates to a flame cutting machine technical field especially relates to a flame cutting machine's automatic ignition.

Background

Flame cutting is a common way of roughing steel plates. Flame cutting, namely gas cutting, is traditionally performed by using acetylene gas, and later by using propane, natural gas cutting now occurs, and natural gas cutting becomes the first choice for flame cutting due to the characteristics of abundant natural gas reserves, low price, no pollution and the like. Flame cutting equipment is low cost and the only cost effective means of cutting thick sheet metal, but has its shortcomings in sheet metal cutting. Compared with plasma, the heat affected zone of flame cutting is much larger, and the thermal deformation is larger. In order to cut accurately and effectively, operators need to have advanced technology to avoid thermal deformation of the metal plate in time during the cutting process.

The existing flame cutting machine does not have the function of adjusting the length of the flame guide pipe generally, when metal plates with different thicknesses are cut, the best cutting section of cutting flame cannot be guaranteed to cut the metal plates, cutting efficiency is reduced to a certain extent, and fuel gas is wasted.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an automatic ignition device of a flame cutting machine.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an automatic ignition of flame cutting machine, includes the protecting tube, the inner wall sliding connection of protecting tube has the flame stand pipe, the inner wall fixedly connected with mounting panel of protecting tube, be provided with the adjusting part who adjusts flame stand pipe extension length on the mounting panel, be provided with the gas hose in the protecting tube, fixed mounting has the gas solenoid valve on the outer wall of gas hose, the bottom of gas hose is run through the mounting panel and is extended to in the flame stand pipe, be provided with automatic ignition's ignition assembly in the flame stand pipe, fixedly connected with connecting block on the outer wall of protecting tube, be provided with the subassembly of confirming of accurate confirmation flame stand pipe extension length on the connecting block.

Preferably, the adjusting part includes mounting panel top fixed connection's annular slide rail, sliding connection has a plurality of arc sliders on the annular slide rail, and is a plurality of the same worm wheel of top fixedly connected with of arc slider, the inner wall of worm wheel is seted up threadedly, the inner wall threaded connection of worm wheel has the threaded rod, the bottom of threaded rod runs through the mounting panel and extends to bottom one side of mounting panel, the bottom of threaded rod and the top fixed connection of flame stand pipe, the top fixedly connected with dog of threaded rod, the both sides inner wall of protective tube rotates and is connected with same worm, worm and worm wheel mesh mutually, one side inner wall that the one end of worm runs through the protective tube and extends to one side of protective tube.

Preferably, one end of the worm is fixedly connected with a hand wheel, and an anti-skid sleeve is fixedly sleeved on the hand wheel.

Preferably, the bottom of the gas hose is fixedly connected with a connecting pipe, and the connecting pipe is made of high-temperature refractory ceramic.

Preferably, the ignition assembly comprises a wire penetrating through the protective pipe, a switch is fixedly arranged on the wire, the bottom of the wire penetrates through the top of the flame guide pipe and extends into the flame guide pipe, an igniter is fixedly connected to one end of the wire, one side of the igniter is fixedly connected with the inner wall of one side of the flame guide pipe, and an ignition needle is fixedly arranged on the igniter.

Preferably, confirm that the subassembly includes connecting block bottom fixed connection's scale plate, the minimum precision of scale plate is 0.5 millimeter, the bar hole has been seted up on the protective tube, fixedly connected with pointer on the outer wall of flame stand pipe, the pointer passes the bar hole and extends to one side of protective tube.

Preferably, the inner wall of the flame guide pipe is fixedly connected with an annular groove plate, and the caliber of the annular groove plate is smaller than that of the flame guide pipe.

Compared with the prior art, the beneficial effects of the utility model are that: 1. in the utility model, before the metal iron plate is required to be cut, the bottom of the flame guide pipe and the distance between the metal plates are adjusted according to the thickness of the metal plate to be cut, so as to ensure that the optimal cutting section for cutting flame can cut the metal plate, the hand wheel is manually rotated, the rotation of the hand wheel drives the sliding of the flame guide pipe, the sliding distance of the flame guide pipe is confirmed by the pointer when the hand wheel is rotated, and when the distance between the flame guide pipe and the metal plate is adjusted to be the optimal cutting distance, the rotation of the hand wheel is stopped;

2. the utility model discloses in, open the gas solenoid valve, the gas will flow to the connecting pipe along the gas hose, when the gas flows out from the bottom of connecting pipe, the switch opens the circular telegram to the firearm, some firearm circular telegram back, light a fire to the gas that flows out of connecting pipe bottom through lighting a fire, the back that finishes of lighting a fire, the switch will break off the circular telegram to the firearm, just can cut the metal sheet this moment, after finishing when the cutting, the gas solenoid valve will close the outflow of gas, the effectual waste of having practiced thrift the gas.

The utility model discloses simple structure leads to the back at the gas, and the waste of gas has been reduced to a certain extent in the cutting of igniteing that can be timely, and can adjust flame stand pipe length, when the metal sheet of the different thickness of cutting, through adjusting flame stand pipe extension length, has guaranteed that the best cutting section of cutting flame can the metal sheet cut, has improved cutting efficiency.

Drawings

Fig. 1 is a front sectional view of an automatic ignition device of a flame cutting machine according to the present invention;

fig. 2 is an enlarged view of a portion a in fig. 1 of an automatic ignition device of a flame cutting machine according to the present invention;

fig. 3 is an enlarged view of a portion B in fig. 1 of an automatic ignition device of a flame cutting machine according to the present invention.

In the figure: 1. a protective tube; 2. a flame guide tube; 3. an annular groove plate; 4. a wire; 5. a switch; 6. a connecting pipe; 7. a pointer; 8. a strip-shaped hole; 9. a scale plate; 10. a hand wheel; 11. a gas hose; 12. a gas solenoid valve; 13. a worm; 14. a threaded rod; 15. mounting a plate; 16. a worm gear; 17. an arc-shaped sliding block; 18. an annular slide rail; 19. an igniter; 20. an ignition needle; 21. connecting blocks; 22. and a stop block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Example one

Referring to fig. 1-3, an automatic ignition device of flame cutting machine, including protective tube 1, the inner wall sliding connection of protective tube 1 has flame guide tube 2, the inner wall fixedly connected with mounting panel 15 of protective tube 1, be provided with the adjusting part who adjusts flame guide tube 2 and stretch out length on the mounting panel 15, be provided with gas hose 11 in the protective tube 1, fixed mounting has gas solenoid valve 12 on the outer wall of gas hose 11, the bottom of gas hose 11 runs through mounting panel 15 and extends to in the flame guide tube 2, be provided with the ignition part of autoignition in the flame guide tube 2, fixedly connected with connecting block 21 on the outer wall of protective tube 1, be provided with the subassembly of confirming that flame guide tube 2 stretches out length accurately on the connecting block 21.

Example two

The improvement is further based on the first embodiment: the adjusting component comprises an annular slide rail 18 fixedly connected with the top of the mounting plate 15, a plurality of arc-shaped sliding blocks 17 are connected on the annular slide rail 18 in a sliding manner, the tops of the arc-shaped sliding blocks 17 are fixedly connected with the same worm wheel 16, the inner wall of the worm wheel 16 is provided with threads, the threads of the inner wall of the worm wheel 16 are connected with a threaded rod 14, the bottom of the threaded rod 14 penetrates through the mounting plate 15 and extends to one side of the bottom of the mounting plate 15, the bottom of the threaded rod 14 is fixedly connected with the top of the flame guide tube 2, the top of the threaded rod 14 is fixedly connected with a stop block 22, the inner walls at the two sides of the protective tube 1 are rotatably connected with the same worm 13, the worm 13 is meshed with the worm wheel 16, one end of the worm 13 penetrates through the inner wall at one side of the protective tube 1 and extends to one side of the protective tube 1, one end of the worm 13 is fixedly connected with a hand wheel 10, an anti-skid sleeve is fixedly sleeved on the hand wheel 10, and the bottom of the gas hose 11 is fixedly connected with a connecting tube 6, the material of connecting pipe 6 is high temperature refractory ceramics, the wire 4 that runs through in the ignition module includes protecting tube 1, the fixed switch 5 that is provided with on the wire 4, the bottom of wire 4 runs through the top of flame stand pipe 2 and extends to in the flame stand pipe 2, the one end fixedly connected with point firearm 19 of wire 4, the one side of point firearm 19 and one side inner wall fixed connection of flame stand pipe 2, the fixed ignition needle 20 that is provided with on the point firearm 19, confirm that the subassembly includes connecting block 21 bottom fixed connection's scale plate 9, the minimum precision of scale plate 9 is 0.1 millimeter, bar hole 8 has been seted up on protecting tube 1, fixedly connected with pointer 7 on the outer wall of flame stand pipe 2, pointer 7 passes bar hole 8 and extends to one side of protecting tube 1, the inner wall fixed connection of flame stand pipe 2 has annular groove plate 3, the bore of annular groove plate 3 is less than the bore of flame stand pipe 2.

The working principle is as follows: before the metal iron plate is required to be cut, the distance between the bottom of the flame guide pipe 2 and the metal plate is adjusted according to the thickness of the metal plate to be cut so as to ensure that the metal plate can be cut in the optimal cutting section of cutting flame, the hand wheel 10 is manually rotated, the worm 13 is driven to rotate by the rotation of the hand wheel 10, the worm wheel 16 is driven to rotate by the rotation of the worm 13, the threaded rod 14 is driven to move by the rotation of the worm wheel 16, the flame guide pipe 2 slides by the movement of the threaded rod 14, the sliding distance of the flame guide pipe 2 is confirmed by the pointer 7 while the hand wheel 10 is rotated, when the distance between the flame guide pipe 2 and the metal plate is adjusted to be the optimal cutting distance, the rotation of the hand wheel 10 is stopped, after the adjustment is finished, ignition cutting can be carried out, the gas electromagnetic valve 12 is automatically opened, gas flows to the connecting pipe 6 along the gas hose 11, when the gas flows out from the bottom of the connecting pipe 6, the switch 5 is started to electrify the igniter 19, after the igniter 19 is electrified, the fuel gas flowing out of the bottom of the connecting pipe 6 is ignited through the ignition needle 20, after the ignition is finished, the switch 5 is disconnected from electrifying the igniter 19, at the moment, the metal plate can be cut, and after the cutting is finished, the fuel gas electromagnetic valve 12 closes the flowing out of the fuel gas.

However, as is well known to those skilled in the art, the working principle and wiring method of the switch 5 and the gas solenoid valve 12 are common and are conventional means or common knowledge, and will not be described herein again, and those skilled in the art can make any choice according to their needs or convenience.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An automatic ignition device of a flame cutting machine comprises a protective tube (1) and is characterized in that, the inner wall of the protective pipe (1) is connected with a flame guide pipe (2) in a sliding way, the inner wall of the protective pipe (1) is fixedly connected with a mounting plate (15), the mounting plate (15) is provided with an adjusting component for adjusting the extension length of the flame guide pipe (2), a gas hose (11) is arranged in the protective pipe (1), a gas electromagnetic valve (12) is fixedly arranged on the outer wall of the gas hose (11), the bottom of the gas hose (11) penetrates through the mounting plate (15) and extends into the flame guide pipe (2), an ignition assembly for automatic ignition is arranged in the flame guide pipe (2), a connecting block (21) is fixedly connected on the outer wall of the protective pipe (1), the connection block (21) is provided with a confirmation assembly for accurately confirming the extending length of the flame guide pipe (2).

2. The automatic ignition device of a flame cutting machine according to claim 1, characterized in that the adjusting component comprises an annular slide rail (18) fixedly connected with the top of the mounting plate (15), the annular slide rail (18) is connected with a plurality of arc-shaped sliders (17) in a sliding manner, the tops of the arc-shaped sliders (17) are fixedly connected with a same worm wheel (16), the inner wall of the worm wheel (16) is threaded, the inner wall of the worm wheel (16) is connected with a threaded rod (14) in a threaded manner, the bottom of the threaded rod (14) penetrates through the mounting plate (15) and extends to one side of the bottom of the mounting plate (15), the bottom of the threaded rod (14) is fixedly connected with the top of the flame guide tube (2), the top of the threaded rod (14) is fixedly connected with a stop block (22), the inner walls on two sides of the protective tube (1) are rotatably connected with a same worm (13), the worm (13) is meshed with the worm wheel (16), and one end of the worm (13) penetrates through the inner wall of one side of the protective pipe (1) and extends to one side of the protective pipe (1).

3. The automatic ignition device of the flame cutting machine as claimed in claim 2, characterized in that a hand wheel (10) is fixedly connected to one end of the worm (13), and an anti-skid sleeve is fixedly sleeved on the hand wheel (10).

4. The automatic ignition device of the flame cutting machine according to claim 1, characterized in that a connecting pipe (6) is fixedly connected to the bottom of the gas hose (11), and the connecting pipe (6) is made of high-temperature refractory ceramic.

5. The automatic ignition device of the flame cutting machine as claimed in claim 1, wherein the ignition assembly comprises a lead (4) penetrating through the protective tube (1), a switch (5) is fixedly arranged on the lead (4), the bottom of the lead (4) penetrates through the top of the flame guide tube (2) and extends into the flame guide tube (2), an igniter (19) is fixedly connected to one end of the lead (4), one side of the igniter (19) is fixedly connected with the inner wall of one side of the flame guide tube (2), and an ignition needle (20) is fixedly arranged on the igniter (19).

6. The automatic ignition device of the flame cutting machine according to claim 4, characterized in that the confirmation component comprises a scale plate (9) fixedly connected to the bottom of the connecting block (21), the minimum precision of the scale plate (9) is 0.1 mm, a strip-shaped hole (8) is formed in the protective tube (1), a pointer (7) is fixedly connected to the outer wall of the flame guide tube (2), and the pointer (7) penetrates through the strip-shaped hole (8) and extends to one side of the protective tube (1).

7. The automatic ignition device of the flame cutting machine according to the claim 1, characterized in that the inner wall of the flame guide tube (2) is fixedly connected with an annular groove plate (3), and the caliber of the annular groove plate (3) is smaller than that of the flame guide tube (2).