Oxyhydrogen flame welding and cutting device

Abstract

The utility model discloses an oxyhydrogen flame welding and cutting device, which relates to the field of oxyhydrogen flame welding and cutting, and comprises a shell, an oxygen compression bottle and a hydrogen compression bottle are respectively arranged at the lower part in the shell, a partition plate is arranged in the shell, and a conveying pipe is arranged at the bottom of the partition plate. By arranging the dismounting assembly, when the oxygen compression bottle or the hydrogen compression bottle needs to be replaced, the threaded rod can be rotated to move upwards and drive the movable ring to move upwards, the movable ring drives the movable barrel to move upwards, and after the movable barrel is moved out of the air outlet pipe, a worker can take the oxygen compression bottle or the hydrogen compression bottle out of the shell; a new oxygen compression bottle and a new hydrogen compression bottle are placed in the shell, then the threaded rod is rotated in the reverse direction, the movable ring moves downwards, the movable barrel is inserted into the gas outlet pipe, and therefore the oxygen pipe or the hydrogen pipe can be connected with the gas outlet pipe, and the oxygen compression bottle or the hydrogen compression bottle can be rapidly disassembled and assembled in the mode.

Description

TECHNICAL FIELD

[0001] The utility model relates to oxyhydrogen flame welding cutting field, concretely to a kind of oxyhydrogen flame welding cutting device. BACKGROUND

[0002] Oxyhydrogen welding machine is with water as raw material, under the action of electric field, water is decomposed into pure hydrogen and oxygen, its combustion can produce 2500 ℃ high temperature, to carry out welding operation to metal, the machine has gas welding, gas cutting, electric welding function, it is a kind of multifunctional safe, energy-saving, environmental protection ideal alternative traditional equipment new product, the emergence of oxyhydrogen welding machine, the level of welding equipment of our country has promoted brand-new era.

[0003] According to the announcement number CN217302482U of Chinese patent, an automatic flow adjustment oxyhydrogen cutting machine is disclosed, which realizes automatic control according to the pressure and flow rate set by the worker, so that the detected value of the pressure flow rate detector is the same as the set value, and avoids problems caused by parameter errors during work.

[0004] For the above-mentioned patent content, hydrogen gas compression bottles and oxygen gas compression bottles are arranged inside the shell to improve the oxygen and hydrogen, but when the oxygen and hydrogen are used up, the hydrogen gas compression bottles and oxygen gas compression bottles need to be replaced. The hydrogen gas compression bottles and oxygen gas compression bottles are connected to the gas pipe in the shell through the connecting flange, which requires rotating multiple bolts during disassembly, and multiple bolts are also required for installation. However, due to the space limitation of the shell during disassembly and assembly of the hydrogen gas compression bottles and oxygen gas compression bottles, the disassembly and assembly process is extremely inconvenient, thereby reducing the disassembly and assembly efficiency of the hydrogen gas compression bottles and oxygen gas compression bottles. UTILITY MODEL CONTENT

[0005] Therefore, the utility model aims to provide an oxyhydrogen flame welding cutting device to solve the technical problem of poor disassembly and assembly of hydrogen gas compression bottles and oxygen gas compression bottles.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an oxyhydrogen flame welding cutting device, comprising a shell, hydrogen gas compression bottles and oxygen gas compression bottles are placed inside the lower part of the shell respectively, a partition is installed inside the shell, and a conveying pipe is arranged at the bottom of the partition, a hydrogen gas pipe and an oxygen gas pipe are communicated at the bottom of the outer wall of the conveying pipe respectively, and a disassembly and assembly assembly is arranged at the lower part of the outer wall of the hydrogen gas pipe and the oxygen gas pipe, the disassembly and assembly assembly comprises a limiting slot opened at the lower part of both sides of the hydrogen gas pipe and the oxygen gas pipe and a fixed plate installed on one side of the hydrogen gas pipe and the oxygen gas pipe, a limiting block is arranged inside the limiting slot, and a movable cylinder is installed between the two limiting blocks, a movable ring is installed on the outer wall of the movable cylinder, and a threaded rod is threadedly connected to the fixed plate.

[0007] By adopting the above technical scheme, when the oxygen compression cylinder and the hydrogen compression cylinder need to be replaced, the threaded rod can be rotated to move the threaded rod upward and drive the movable ring to move upward, and the movable ring drives the movable cylinder to move upward.

[0008] Further, the inner wall of the movable cylinder is provided with a first sealing ring, and the outer wall of the movable cylinder is further provided with a second sealing ring.

[0009] By adopting the above technical scheme, the first sealing ring and the second sealing ring are moved when the movable cylinder moves, and the first sealing ring and the second sealing ring can improve the sealing between the gas outlet pipe and the hydrogen pipe and the oxygen pipe.

[0010] Further, the inside of the shell is further provided with a mixing bottle, and the gas outlet end of the conveying pipe is communicated to the inside of the mixing bottle.

[0011] By adopting the above technical scheme, the hydrogen and oxygen in the conveying pipe enter the inside of the mixing bottle and are mixed in the mixing bottle.

[0012] Further, the top of the partition plate is provided with a hydrogen-oxygen cutting machine body, the mixing bottle is provided with a connecting pipe extending into the inside of the hydrogen-oxygen cutting machine body, and the hydrogen-oxygen cutting machine body is connected with a mixed gas pipe extending to the outside of the shell.

[0013] By adopting the above technical scheme, the mixed gas in the mixing bottle can be discharged through the connecting pipe, and the mixed gas can enter the mixed gas pipe and be discharged into the gas conveying hose.

[0014] Further, the top of the shell is provided with a protective cover, and the mixed gas pipe is provided with a flow regulating valve and a pressure flow rate detector, respectively.

[0015] By adopting the above technical scheme, the protective cover can shield and protect the flow regulating valve and the pressure flow rate detector, and the pressure flow rate detector can detect the flow rate of the passing mixed gas.

[0016] Further, the bottom of the protective cover is provided with a storage disc, the storage disc is connected with a winding shaft through a bearing, one end of the mixed gas pipe is connected with a gas conveying hose penetrating into the storage disc, and one end of the gas conveying hose penetrates the storage disc and is threadedly connected with a cutting head.

[0017] By adopting the above technical scheme, the mixed gas of hydrogen and oxygen can enter the inside of the gas conveying hose through the mixed gas pipe, and then enter the inside of the cutting head through the gas conveying hose.

[0018] Further, one end of the winding shaft penetrates to the outside of the storage disc and is connected with a handle, and the gas conveying hose is wound on the outer wall of the winding shaft.

[0019] By adopting the technical scheme, the staff can conveniently rotate the winding shaft through the handle, and the winding shaft can wind or release the gas conveying hose when rotating.

[0020] Further, the outer surface of the shell is provided with a sealing door through a hinge, a handle is arranged on the sealing door, and rollers are arranged around the bottom of the shell.

[0021] By adopting the technical scheme, the rollers facilitate the movement of the device, the handle facilitates the opening and closing of the sealing door, and the sealing door improves the sealing performance of the shell.

[0022] Further, the inner walls of the two first sealing rings are tightly combined with the outer walls of the hydrogen pipe and the oxygen pipe respectively, and the movable cylinder is inserted into the gas outlet pipe.

[0023] By adopting the technical scheme, when the movable cylinder is inserted into the gas outlet pipe, the hydrogen pipe and the oxygen pipe can be connected with the gas outlet pipe, and the hydrogen or oxygen can conveniently enter.

[0024] Further, the top of the oxygen compression cylinder and the hydrogen compression cylinder is provided with a gas outlet pipe, and a valve is arranged on the gas outlet pipe.

[0025] By adopting the technical scheme, the oxygen in the oxygen compression cylinder and the hydrogen in the hydrogen compression cylinder can be discharged through the gas outlet pipe and enter the corresponding oxygen pipe and hydrogen pipe.

[0026] In summary, the utility model mainly has the following beneficial effects:

[0027] 1. The utility model discloses a detachable assembly, when the oxygen compression cylinder or the hydrogen compression cylinder needs to be replaced, the threaded rod is rotated to move the threaded rod upward and drive the movable ring to move upward, the movable ring drives the movable cylinder to move upward, after the movable cylinder is removed from the gas outlet pipe, the staff can take out the oxygen compression cylinder or the hydrogen compression cylinder from the shell, place the new oxygen compression cylinder and hydrogen compression cylinder in the shell, align the gas outlet pipe with the oxygen pipe or the hydrogen pipe, then reverse the threaded rod to move the movable ring downward and drive the movable cylinder to move downward, and the movable cylinder is inserted into the gas outlet pipe, thereby connecting the oxygen pipe or the hydrogen pipe with the gas outlet pipe, and the oxygen compression cylinder or the hydrogen compression cylinder can be quickly disassembled and assembled, so that the oxygen compression cylinder or the hydrogen compression cylinder can be quickly replaced, without being fixed and installed through the flange and the plurality of bolts, thereby improving the replacement efficiency of the oxygen compression cylinder or the hydrogen compression cylinder.

[0028] 2. The first sealing ring and the second sealing ring are arranged, the sealing performance of the movable cylinder inserted into the gas outlet pipe is improved, hydrogen or oxygen leakage is prevented, and the hydrogen and the oxygen can smoothly enter the conveying pipe. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1 It is the whole three-dimensional structure schematic diagram of the utility model;

[0030] Figure 2 It is the whole positive section structure schematic diagram of the utility model;

[0031] Figure 3 It is the oxygen compression bottle structure schematic diagram of the utility model;

[0032] Figure 4 It is the movable ring upside down structure schematic diagram of the utility model;

[0033] Figure 5 It is the movable cylinder three-dimensional structure schematic diagram of the utility model;

[0034] Figure 6 It is the movable cylinder three-dimensional structure schematic diagram of the utility model; Figure 2 It is the enlarged structure schematic diagram of A place in the utility model.

[0035] In the drawing: 1, shell; 2, oxygen compression bottle; 3, hydrogen compression bottle; 4, mixing bottle; 5, hydrogen pipe; 6, conveying pipe; 7, oxygen pipe; 8, gas pressure detection meter; 9, dismounting assembly; 901, fixed plate; 902, threaded rod; 903, movable ring; 904, limiting groove; 905, limiting block; 906, movable cylinder; 907, first sealing ring; 908, second sealing ring; 10, connecting pipe; 11, partition plate; 12, hydrogen-oxygen cutting machine body; 13, mixed gas pipe; 14, protective cover; 15, flow regulating valve; 16, pressure flow rate detector; 17, storage tray; 18, gas conveying hose; 19, winding shaft; 20, handle; 21, cutting head; 22, control panel; 23, sealing door; 24, gas outlet pipe; 25, electromagnetic valve. DETAILED DESCRIPTION

[0036] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. The embodiments described below with reference to the drawings are exemplary and are used only for explaining the utility model, and cannot be understood as limiting the utility model.

[0037] The embodiments of the utility model will be described below according to the overall structure of the utility model. Embodiment one

[0038] A hydrogen-oxygen flame welding and cutting device, such as Figures 1-6As shown, including the shell 1, the inside of the shell 1 is placed with oxygen cylinder 2 and hydrogen cylinder 3 respectively, the inside of the shell 1 is installed with partition 11, and the bottom of the partition 11 is provided with delivery pipe 6, the bottom of the delivery pipe 6 is communicated with hydrogen pipe 5 and oxygen pipe 7 respectively, and the outer wall of the hydrogen pipe 5 and the oxygen pipe 7 is provided with dismounting assembly 9 respectively, the electromagnetic valve 25 is installed on the hydrogen pipe 5 and the oxygen pipe 7, and the inside of the shell 1 is further installed with mixing bottle 4, the gas outlet end of the delivery pipe 6 is communicated to the inside of the mixing bottle 4, so that the hydrogen and oxygen in the delivery pipe 6 enter into the inside of the mixing bottle 4 and mix again in the mixing bottle 4.

[0039] Referring to Figures 1-4 , the top of the partition 11 is installed with oxyhydrogen cutting machine body 12, the mixing bottle 4 is installed with connecting pipe 10 extending to the inside of the oxyhydrogen cutting machine body 12, the connecting pipe 10 is installed with gas pressure detector 8 for detecting the gas pressure, the oxyhydrogen cutting machine body 12 is connected with mixed gas pipe 13 extending to the outside of the shell 1, the mixed gas in the mixing bottle 4 can be discharged through the connecting pipe 10, and the mixed gas can enter into the mixed gas pipe 13 and be discharged into the inside of the gas hose 18, the top of one side of the shell 1 is installed with protective cover 14, the mixed gas pipe 13 is installed with flow regulating valve 15 and pressure flow rate detector 16 respectively, the protective cover 14 can shield and protect the flow regulating valve 15 and the pressure flow rate detector 16, and the pressure flow rate detector 16 can detect the flow rate of the passing mixed gas.

[0040] Referring to Figures 1-3 , the bottom of the protective cover 14 is provided with receiving disc 17, the receiving disc 17 is connected with winding shaft 19 through bearing, one end of the mixed gas pipe 13 is connected with gas hose 18 penetrating into the receiving disc 17, and one end of the gas hose 18 penetrates the receiving disc 17 and is threadedly connected with cutting head 21, so that the mixed gas of hydrogen and oxygen can enter into the inside of the gas hose 18 through the mixed gas pipe 13, and then enter into the inside of the cutting head 21 through the gas hose 18, one end of the winding shaft 19 penetrates to the outside of the receiving disc 17 and is connected with handle 20, the gas hose 18 is wound on the outer wall of the winding shaft 19, the staff can rotate the winding shaft 19 through the handle 20, and the winding shaft 19 can wind or release the gas hose 18 when rotating.

[0041] Referring to Figures 1-3The outer surface of the shell 1 is provided with a sealing door 23 through a hinge, a handle is arranged on the sealing door 23, and a plurality of rollers are arranged around the bottom of the shell 1, so that the device can be moved conveniently, and the handle can be used to open or close the sealing door 23 conveniently. The sealing door 23 can improve the sealing performance of the shell 1. The top of each of the oxygen cylinder 2 and the hydrogen cylinder 3 is provided with a gas outlet pipe 24, and a valve is arranged on the gas outlet pipe 24, so that the oxygen in the oxygen cylinder 2 and the hydrogen in the hydrogen cylinder 3 can be discharged through the gas outlet pipe 24 and enter the corresponding oxygen pipe 7 and hydrogen pipe 5.

[0042] Specifically, the dismounting assembly 9 comprises a limiting groove 904 arranged below the hydrogen pipe 5 and the oxygen pipe 7 on both sides and a fixed plate 901 arranged on one side of the hydrogen pipe 5 and the oxygen pipe 7. A limiting block 905 is arranged in the limiting groove 904, and a movable cylinder 906 is arranged between the two limiting blocks 905. The movable cylinder 906 is connected with the limiting groove 904 through the limiting block 905 and can slide in the limiting groove 904. When the movable cylinder 906 moves, the limiting block 905 will slide in the limiting groove 904, thereby improving the stability of the movable cylinder 906. An activity ring 903 is arranged above the outer wall of the movable cylinder 906. A threaded rod 902 is threadedly connected to the fixed plate 901. When the oxygen cylinder 2 and the hydrogen cylinder 3 need to be replaced, the threaded rod 902 can be rotated, and a knob is arranged at the top end of the threaded rod 902. The bottom end of the threaded rod 902 is connected with the top of the activity ring 903 through a bearing. The threaded rod 902 can be rotated by the knob, so that the threaded rod 902 moves upward and drives the activity ring 903 to move upward. The activity ring 903 drives the movable cylinder 906 to move upward. A control panel 22 is arranged above the outer surface of the shell 1. The control panel 22 is electrically connected with the flow regulating valve 15, the pressure flow rate detector 16, the oxyhydrogen cutting machine body 12 and the gas pressure detector 8, so that the flow regulating valve 15, the pressure flow rate detector 16, the oxyhydrogen cutting machine body 12 and the gas pressure detector 8 can be started or stopped through the control panel 22. Example Two

[0043] On the basis of the above-mentioned example one, in order to improve the sealing performance of the movable cylinder 906 after being inserted into the gas outlet pipe 24 and prevent the hydrogen or oxygen from leaking, the following structure is arranged.

[0044] Referring to Figure 2 , Figure 5 and Figure 6The inner wall of the movable cylinder 906 is provided with a first sealing ring 907, and the outer wall of the movable cylinder 906 is further provided with a second sealing ring 908, the bottom of the second sealing ring 908 is tightly combined with the top end of the gas outlet pipe 24, the first sealing ring 907 and the second sealing ring 908 are driven to move when the movable cylinder 906 moves, the first sealing ring 907 and the second sealing ring 908 can improve the sealing performance between the gas outlet pipe 24 and the hydrogen pipe 5 and the oxygen pipe 7, the inner walls of the two first sealing rings 907 are tightly combined with the outer walls of the hydrogen pipe 5 and the oxygen pipe 7 respectively, the movable cylinder 906 is inserted into the gas outlet pipe 24, and the communication between the hydrogen pipe 5 and the oxygen pipe 7 and the gas outlet pipe 24 can be realized when the movable cylinder 906 is inserted into the gas outlet pipe 24, so that the hydrogen or oxygen is conveniently introduced.

[0045] The working principle of the utility model is as follows: first, the staff uses the device before connecting the power supply, when using, oxygen and hydrogen enter into the conveying pipe 6 inside through the oxygen pipe 7 and the hydrogen pipe 5, and then enter into the inside of the mixing bottle 4, the setting of the mixing bottle 4 can mix fully before the gas is used, the mixed gas enters into the inside of the hydrogen oxygen cutting machine body 12, and then flows out from the mixed gas pipe 13, and then enters into the gas conveying hose 18, and then enters into the cutting head 21, and then ignites at the cutting head 21, and the staff can cut by hand holding the cutting head 21, the gas flows out through the pressure flow rate detector 16, the setting of the pressure flow rate detector 16 can detect the pressure and flow rate of the gas in real time, and when the gas conveying hose 18 needs to be wound or loosened, the staff can rotate the winding shaft 19 through the handle 20, and the winding shaft 19 can wind or loosen the gas conveying hose 18.

[0046] When the oxygen compression bottle 2 or the hydrogen compression bottle 3 needs to be replaced, the staff can open the sealing door 23, and then rotate the threaded rod 902, so that the threaded rod 902 moves upwards and drives the movable ring 903 to move upwards, the movable ring 903 drives the movable cylinder 906 to move upwards, after the movable cylinder 906 moves out of the gas outlet pipe 24, the staff can take out the oxygen compression bottle 2 or the hydrogen compression bottle 3 from the shell, and then place the new oxygen compression bottle 2 and the hydrogen compression bottle 3 in the shell 1, and align the gas outlet pipe 24 with the oxygen pipe 7 or the hydrogen pipe 5, then reversely rotate the threaded rod 902, so that the movable ring 903 moves downwards, and then drives the movable cylinder 906 to move downwards, so that the movable cylinder 906 is inserted into the gas outlet pipe 24, so that the connection between the oxygen pipe 7 or the hydrogen pipe 5 and the gas outlet pipe 24 can be completed, and the oxygen compression bottle 2 or the hydrogen compression bottle 3 can be quickly disassembled and assembled through the mode.

[0047] Although the embodiments of the utility model have been shown and described, the specific embodiments are only the explanation of the utility model, and are not the limitation of the utility model, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable way, the person skilled in the art can make the modification, replacement and change of no creative contribution to the embodiment according to the need after reading the specification without departing from the principle and the purpose of the utility model, but as long as in the patent right claim range of the utility model, it is protected by the patent law.

Claims

1. A oxy-hydrogen flame welding and cutting apparatus comprising a housing (1), characterised in that: The inside of the shell (1) is respectively placed with oxygen compression bottle (2) and hydrogen compression bottle (3), the inside of the shell (1) is installed with the baffle (11), and the bottom of the baffle (11) is provided with the delivery pipe (6), the bottom of the delivery pipe (6) is respectively communicated with hydrogen pipe (5) and oxygen pipe (7), and the outer wall of hydrogen pipe (5) and oxygen pipe (7) is respectively provided with dismounting assembly (9), the dismounting assembly (9) includes the limit groove (904) opened in the lower side of hydrogen pipe (5) and oxygen pipe (7) and the fixed plate (901) installed on one side of hydrogen pipe (5) and oxygen pipe (7), the inside of the limit groove (904) is provided with the limiting block (905), and the movable cylinder (906) is installed between the two limiting blocks (905), the movable cylinder (906) is installed with movable ring (903) on the outer wall, and the fixed plate (901) is threadedly connected with threaded rod (902).

2. A oxy-fuel welding and cutting apparatus as defined in claim 1, wherein: The inner wall of the movable cylinder (906) is provided with a first sealing ring (907), and the outer wall of the movable cylinder (906) is further provided with a second sealing ring (908).

3. A oxy-fuel torch welding and cutting apparatus as defined in claim 1, wherein: The inside of the shell (1) is further provided with a mixing bottle (4) at the bottom, and the outlet end of the delivery pipe (6) is communicated to the inside of the mixing bottle (4).

4. A oxy-fuel welding and cutting apparatus as defined in claim 3, wherein: The top of the baffle (11) is provided with a hydrogen-oxygen cutting machine body (12), and the mixing bottle (4) is provided with a connecting pipe (10) extending into the hydrogen-oxygen cutting machine body (12).

5. A oxy-fuel welding and cutting apparatus as defined in claim 4, wherein: The top of the baffle (11) is provided with a hydrogen-oxygen cutting machine body (12), and the mixing bottle (4) is provided with a connecting pipe (10) extending into the hydrogen-oxygen cutting machine body (12).

6. A oxy-fuel welding and cutting apparatus as defined in claim 5, wherein: The top of the baffle (11) is provided with a hydrogen-oxygen cutting machine body (12), and the mixing bottle (4) is provided with a connecting pipe (10) extending into the hydrogen-oxygen cutting machine body (12).

7. A oxy-fuel welding and cutting apparatus as defined in claim 6, wherein: The bottom of the protective cover (14) is provided with a storage tray (17), and the storage tray (17) is connected with a winding shaft (19) through a bearing, one end of the gas delivery hose (18) is connected with a gas delivery hose (18) penetrating into the storage tray (17), and one end of the gas delivery hose (18) penetrates the storage tray (17) and is threadedly connected with a cutting head (21).

8. A oxy-fuel welding and cutting apparatus as defined in claim 1, wherein: One end of the winding shaft (19) penetrates to the outside of the storage tray (17) and is connected with a handle (20), and the gas delivery hose (18) is wound on the outer wall of the winding shaft (19).

9. A oxy-fuel torch welding and cutting apparatus as defined in claim 2, wherein: The outer surface of the shell (1) is provided with a sealing door (23) through a hinge, the sealing door (23) is provided with a handle, and the bottom of the shell (1) is provided with a plurality of rollers.

10. A oxy-fuel welding and cutting apparatus as defined in claim 1, wherein: The inner walls of the two first sealing rings (907) are respectively tightly combined with the outer walls of the hydrogen pipe (5) and the oxygen pipe (7), and the movable cylinder (906) is inserted into the gas outlet pipe (24). The top of the oxygen compression bottle (2) and the hydrogen compression bottle (3) is provided with a gas outlet pipe (24), and the gas outlet pipe (24) is provided with a valve.

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