CN210024050U - Cutting gun - Google Patents
Cutting gun Download PDFInfo
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- CN210024050U CN210024050U CN201822012504.1U CN201822012504U CN210024050U CN 210024050 U CN210024050 U CN 210024050U CN 201822012504 U CN201822012504 U CN 201822012504U CN 210024050 U CN210024050 U CN 210024050U
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- pipe
- natural gas
- inner pipe
- cutting
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Abstract
The utility model discloses a cutting gun, which comprises an outer pipe, an inner pipe, an L-shaped natural gas inlet pipe, an oxygen flow valve, a natural gas flow valve, a Y-shaped supporting seat, a nut and a base; the utility model discloses a natural gas flow control valve, including outer tube diameter, inner tube, L shape natural gas intake pipe, outer tube diameter is greater than the inner tube diameter, and in the outer tube was arranged in to the inner tube, the inner tube left end was the inlet end, and the right-hand member was for giving vent to anger the burning end, and the inlet end of inner tube sets up oxygen flow valve, and the L shape natural. The cutting gun of the utility model has simple operation and high cutting efficiency, avoids the situation that dangerous substances such as hot steel slag splash to cutting personnel and steel coils suddenly release stress to hurt people, and improves the safety of operating personnel; has wide application prospect.
Description
Technical Field
The utility model relates to a mechanical tool technical field especially relates to a cutting torch.
Background
The steel wastes in various shapes such as coils, plates and strips can be generated in the production of a steel rolling mill, the steel wastes are required to be further cut into small blocks so as to be re-smelted and improved in molten steel quality, the size of the small blocks of the waste steel needs to meet the requirement of a furnace inlet, the steel wastes are cut piece by using a cutting torch in the prior art, the defects of low cutting efficiency and large potential safety hazard exist, particularly, the steel wastes are cut from the side surface of a steel coil when the steel wastes are cut piece by using the cutting torch, the cutting efficiency is low, the accidents of personal injury caused by hot steel slag and the like splashed to cutting personnel exist, and the safety is poor.
Therefore, those skilled in the art have endeavored to develop a cutting gun, which is intended to solve the problem of the prior art of the defects in cutting steel scrap.
SUMMERY OF THE UTILITY MODEL
In view of prior art's above-mentioned defect, the utility model aims to solve the technical problem that in prior art, when cutting the steel waste product, cutting inefficiency, potential safety hazard are big, especially to the scrap steel book, need cut from the coil of strip side when cutting one by one with the hand burning torch, have hot slag etc. to spatter the accident that the cutting personnel caused bodily injury, the poor problem of security.
In order to realize the purpose, the utility model provides a cutting gun, which comprises an outer pipe, an inner pipe, an L-shaped natural gas inlet pipe, an oxygen flow valve, a natural gas flow valve, a Y-shaped supporting seat, a nut and a base; the diameter of the outer pipe is larger than that of the inner pipe, the inner pipe is arranged in the outer pipe, the left end of the inner pipe is an air inlet end, the right end of the inner pipe is an air outlet combustion end, the air inlet end of the inner pipe is provided with an oxygen flow valve, the position, 300mm away from the air inlet end, of the outer pipe is connected with an L-shaped natural gas inlet pipe, and the L-shaped natural gas inlet pipe is provided with a natural;
the inner pipe is 200mm longer than the outer pipe at the air inlet end of the inner pipe and the air inlet end of the outer pipe; the inner pipe is 10mm longer than the outer pipe at the air outlet combustion end of the inner pipe and the air outlet combustion end of the outer pipe;
fully welding the air inlet port of the outer pipe and the outer wall of the inner pipe to ensure that the inner wall of the outer pipe at the end and the outer wall of the inner pipe are sealed and air-tight;
in a preferred embodiment of the present invention, the length of the inner tube and the outer tube is 2 to 2.5 m;
in a preferred embodiment of the present invention, the diameter ratio of the inner tube to the outer tube is 4: 5;
the utility model discloses in the preferred embodiment, the combustion end port position of giving vent to anger of inner tube and outer tube, inner tube outer wall and outer tube inner wall are the spot welding three point of 120 degrees position departments every, make inner tube and outer tube fixed whole.
Scheme more than adopting, the utility model discloses a cutting torch has following technological effect:
1. when the cutting gun of the utility model is used for cutting steel waste products, for the waste steel coil, the positions of cutting personnel and the cutting gun are in the same direction with the center of the steel coil, the distance between the cutting personnel and the cutting position reaches 2m, so that the dangerous substances such as hot steel slag and the like are reduced from splashing to the cutting personnel, and the safety distance is increased; compared with a situation that cutting personnel stands on the side face of the steel coil, the accident that the stress of the steel coil is suddenly released to hurt people at the moment of cutting off one layer of the steel coil is avoided, and the safety of operating personnel is improved;
2. when the cutting gun of the utility model is used for cutting steel waste products, the cutting gun is placed on the Y-shaped supporting seat in the cutting process, the cutting personnel only need to control the direction and the distance, the operation is simple and convenient, the cutting gun is not needed to be held by hands, the labor intensity of the cutting personnel is reduced, and the cutting efficiency is high;
in conclusion, the cutting gun of the utility model has simple operation and high cutting efficiency, avoids the situation that dangerous substances such as hot steel slag splash to cutting personnel and steel coils suddenly release stress to hurt people, and improves the safety of operating personnel; has wide application prospect.
The conception, specific structure and technical effects of the present invention will be further described with reference to the accompanying drawings and specific embodiments, so as to fully understand the objects, features and effects of the present invention.
Drawings
Fig. 1 is a schematic view of the cutting gun of the present invention;
in the figure, 1, an outer tube; 2. an inner tube; 3. an L-shaped natural gas inlet pipe; 4. an oxygen flow valve; 5. a natural gas flow valve; 6. a Y-shaped support base; 7. a nut; 8. a base.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings for clarity and understanding of the technical contents. The present invention may be embodied in many different forms of embodiments, and the scope of the invention is not limited to the embodiments described herein.
In the drawings, structurally identical elements are represented by like reference numerals, and structurally or functionally similar elements are represented by like reference numerals throughout the several views. The size and thickness of each component shown in the drawings are arbitrarily illustrated, and the present invention is not limited to the size and thickness of each component. The thickness of the components may be exaggerated where appropriate in the figures to improve clarity.
As shown in fig. 1, the utility model discloses a cutting gun, including outer tube 1, inner tube 2, L-shaped natural gas inlet pipe 3, oxygen flow valve 4, natural gas flow valve 5, Y-shaped bearing 6, nut 7 and base 8; the lengths of the inner pipe 2 and the outer pipe 1 are 2-2.5 m; the diameter of the outer pipe 1 is larger than that of the inner pipe 2, the inner pipe 2 is arranged in the outer pipe 1, and the circle centers of the inner pipe and the outer pipe are overlapped; the left ends of the inner pipe 2 and the outer pipe 1 are air inlet ends, the right end of the inner pipe 1 is an air outlet combustion end, the air inlet end of the inner pipe 2 is provided with an oxygen flow valve 4, the position, 300mm away from the air inlet end, of the outer pipe 1 is connected with an L-shaped natural gas inlet pipe 3, and the L-shaped natural gas inlet pipe 3 is provided with a natural gas flow valve 5; the inner pipe 2 is 200mm longer than the outer pipe 1 at the air inlet end of the inner pipe 2 and the air inlet end of the outer pipe 1; at the air outlet burning end of the inner pipe 2 and the air outlet burning end of the outer pipe 1, the inner pipe 2 is 10mm longer than the outer pipe 1; fully welding the air inlet port of the outer pipe 1 and the outer wall of the inner pipe 2 to ensure that the inner wall of the outer pipe 1 and the outer wall of the inner pipe 2 at the end are sealed and air-tight; the port positions of the air outlet combustion ends of the inner pipe 2 and the outer pipe 1, and the positions of the outer wall of the inner pipe 2 and the inner wall of the outer pipe 1 at intervals of 120 degrees are spot-welded at three points, so that the inner pipe 2 and the outer pipe 1 are fixed into a whole.
Make the utility model discloses a cutting torch concrete process as follows:
preparing 4 steel pipes with the diameter of 16 mm: one length is 2110mm, one length is 300mm, and two lengths are 100 mm; preparing a steel pipe with the diameter of 20mm and the length of 2000 mm;
manufacturing a 16 mm-300 mm long steel pipe into an L shape to be used as an L-shaped natural gas inlet pipe 3, wherein the shorter end is 100mm long, and the longer end is 200mm long;
a circular hole with the diameter of 16mm is cut at the position of 200mm at one end of a steel pipe with the diameter of 20mm and the length of 2000mm, the shorter end of the L-shaped natural gas inlet pipe 3 is placed in the circular hole of the steel pipe with the diameter of 20mm, and the L-shaped natural gas inlet pipe is firmly welded and sealed without air leakage; a natural gas flow valve 5 is installed at the longer end of the L-shaped natural gas inlet pipe 3, and a steel pipe with the diameter of 16mm and the length of 100mm is installed on the other side of the natural gas flow valve 5 and serves as a natural gas inlet and is connected with a hose;
one end of a steel pipe with the diameter of 16mm x 2110mm is provided with an oxygen flow valve 4, and the other side of the oxygen flow valve 4 is provided with a steel pipe with the diameter of 16mm x 100mm, which is used as an oxygen inlet and is connected with a hose;
the natural gas flow valve 5 is sealed and airtight with the L-shaped natural gas inlet pipe 3, the oxygen flow valve 4 and the cutting gun inner pipe 2 at the joint;
a steel pipe with the diameter of 16mm and the length of 2110mm is used as an inner pipe 2 and penetrates into an outer pipe 1 of the steel pipe with the diameter of 20mm and the length of 2000mm, the circle centers of the inner pipe 2 and the outer pipe 1 are overlapped, the air outlet end of the inner pipe 2 is about 10mm longer than the air outlet end of the outer pipe 1, the inner wall of the air outlet port of the outer pipe 1 is connected with the outer wall of the inner pipe 2 at intervals of 120 degrees in a spot welding mode, and three points are arranged in the whole perimeter to enable the inner pipe; the port of the air inlet end at the other end of the outer tube 1 is fully welded with the outer wall of the air inlet end of the inner tube 2, so that the end is sealed and does not leak air;
oxygen is introduced from the air inlet end of the inner tube 2, so that the inner tube 2 is communicated with the oxygen, and the oxygen flow is controlled by adjusting the oxygen flow valve 4; natural gas is connected from the gas inlet end of the L-shaped natural gas inlet pipe 3, so that natural gas is introduced between the inner pipe 2 and the outer pipe 1, and the flow rate of the natural gas is controlled by adjusting a natural gas flow valve 5; the natural gas and the oxygen are mixed and combusted at the air outlet ends of the inner pipe 2 and the outer pipe 1;
manufacturing a Y-shaped supporting seat 6 by using a steel pipe with the diameter of 30mm, wherein the length of a straight rod of the Y-shaped supporting seat 6 is about 500mm, and the lengths of two supporting pipes are 100 mm; preparing a steel pipe with the diameter of 40mm x the length of 700mm, manufacturing a round hole with the diameter of 10mm at a position 100mm away from one end of the steel pipe, welding a steel plate with the specification of 30mm x 300mm at the other end of the steel pipe, wherein the steel plate is used as a base 8, and the center of the steel pipe is superposed with the center of the base 8; inserting a straight rod of the Y-shaped supporting seat 6 into a steel pipe with the diameter of 40mm, screwing a nut 7 with the diameter of 10mm into a round hole with the diameter of 10mm on the steel pipe with the diameter of 40mm, moving the Y-shaped supporting seat 6 up and down to adjust the height, and propping the straight rod of the Y-shaped supporting seat 6 by the nut 7 to finish the manufacturing of the Y-shaped supporting seat;
when the cutting gun of the embodiment is used for cutting the scrap steel coil, the oxygen hose and the natural gas hose are respectively connected to the oxygen inlet pipe of the cutting gun and the L-shaped natural gas inlet pipe of the cutting gun, and at the moment, a main valve and a flow valve of natural gas and oxygen are both in a closed state;
placing a Y-shaped supporting seat according to the position of the scrap steel roll, adjusting the height of a straight rod of the Y-shaped supporting seat to be parallel to the cut position, screwing a nut on a base to fix the position of the straight rod of the Y-shaped supporting seat, and placing a half of the length of the simple cutting gun on the Y-shaped supporting seat; then, opening a main valve of natural gas and oxygen, then slowly opening a natural gas flow valve 1/4, then igniting at the position of an air outlet of the cutting gun, and igniting the cutting gun; slowly opening the oxygen flow valve until bright central flame appears in the center of the flame, aligning the flame to the initial cutting position of the steel coil, keeping the position unchanged, and continuously slowly opening the oxygen flow valve until liquid molten steel is quickly blown away and the steel coil can be continuously and thermally broken by reaction when the edge temperature of the steel coil reaches the ignition point melting state, and simultaneously adjusting the position and the distance between the cutting gun and the steel coil to be cut to continuously carry out the cutting process;
and selecting the number of the coils cut at one time according to the thickness of the steel coil and whether the coils are closely attached, cutting one coil, reducing the oxygen flow valve to the state that the flame center has bright central flame when cutting one coil, continuously repeating the steps, changing the steel coil on one side to the steel coil on the other side for cutting, and finally finishing the cutting of all the coils.
The cutting gun of the embodiment is used for cutting the scrap steel coil, so that the operation is convenient, no dangerous substances such as hot steel slag are splashed to cutting personnel, and the accident that the stress of the steel coil is suddenly released to hurt people is caused, and the safety is good; the cutting is continuously carried out, and the efficiency is high.
The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the teachings of this invention without undue experimentation. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.
Claims (2)
1. A cutting gun is characterized by comprising an outer pipe (1), an inner pipe (2), an L-shaped natural gas inlet pipe (3), an oxygen flow valve (4), a natural gas flow valve (5), a Y-shaped supporting seat (6), a nut (7) and a base (8); the diameter of the outer pipe (1) is larger than that of the inner pipe (2), the inner pipe (2) is arranged in the outer pipe (1), and the circle centers of the inner pipe and the outer pipe are overlapped; the left ends of the inner pipe (2) and the outer pipe (1) are air inlet ends, the right ends of the inner pipe and the outer pipe are air outlet burning ends, the air inlet end of the inner pipe (2) is provided with an oxygen flow valve (4), the position, which is 300mm away from the air inlet end, of the outer pipe (1) is connected with an L-shaped natural gas inlet pipe (3), and the L-shaped natural gas inlet pipe (3) is provided with a natural gas flow valve (5); the inner pipe (2) is 200mm longer than the outer pipe (1) at the air inlet end of the inner pipe (2) and the air inlet end of the outer pipe (1); the inner pipe (2) is longer than the outer pipe (1) by 10mm at the air outlet burning end of the inner pipe (2) and the air outlet burning end of the outer pipe (1); the full welding is carried out between the air inlet port of the outer pipe (1) and the outer wall of the inner pipe (2), so that the inner wall of the outer pipe (1) at the end and the outer wall of the inner pipe (2) are sealed and air-tight; the port positions of the air outlet combustion end of the inner pipe (2) and the outer pipe (1) and the spot welding three points at the positions of every 120 degrees of the outer wall of the inner pipe (2) and the inner wall of the outer pipe (1) are formed, so that the inner pipe (2) and the outer pipe (1) are fixed into a whole.
2. The cutting gun of claim 1,
the lengths of the inner pipe (2) and the outer pipe (1) are 2-2.5 m;
the diameter ratio of the inner pipe (2) to the outer pipe (1) is 4: 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822012504.1U CN210024050U (en) | 2018-12-03 | 2018-12-03 | Cutting gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822012504.1U CN210024050U (en) | 2018-12-03 | 2018-12-03 | Cutting gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210024050U true CN210024050U (en) | 2020-02-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822012504.1U Active CN210024050U (en) | 2018-12-03 | 2018-12-03 | Cutting gun |
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| Country | Link |
|---|---|
| CN (1) | CN210024050U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111634054A (en) * | 2020-06-09 | 2020-09-08 | 江苏聚之再生科技有限公司 | Processing technology for preliminary processing of scrap steel |
-
2018
- 2018-12-03 CN CN201822012504.1U patent/CN210024050U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111634054A (en) * | 2020-06-09 | 2020-09-08 | 江苏聚之再生科技有限公司 | Processing technology for preliminary processing of scrap steel |
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